gle Compute Engine, BIOS Google 05/09/2026
[ 220.937948][ T5342] Call Trace:
[ 220.941285][ T5342]
[ 220.944257][ T5342] dump_stack_lvl+0x188/0x250
[ 220.948986][ T5342] ? show_regs_print_info+0x20/0x20
[ 220.954231][ T5342] ? load_image+0x400/0x400
[ 220.958798][ T5342] sysfs_create_dir_ns+0x26a/0x290
[ 220.963987][ T5342] ? sysfs_warn_dup+0xa0/0xa0
[ 220.968714][ T5342] ? do_raw_spin_unlock+0x11d/0x230
[ 220.973959][ T5342] kobject_add_internal+0x6e0/0xd90
[ 220.979211][ T5342] kobject_init_and_add+0x128/0x190
[ 220.984466][ T5342] ? lockdep_softirqs_off+0x430/0x430
[ 220.989907][ T5342] ? kobject_add+0x230/0x230
[ 220.994558][ T5342] ? __init_swait_queue_head+0xa5/0x150
[ 221.000159][ T5342] gfs2_sys_fs_add+0x24f/0x4b0
[ 221.004975][ T5342] ? gfs2_recover_set+0x240/0x240
[ 221.010137][ T5342] ? snprintf+0xe5/0x140
[ 221.014568][ T5342] ? __free_pages+0x95/0x1a0
[ 221.019210][ T5342] ? vscnprintf+0x80/0x80
[ 221.023612][ T5342] gfs2_fill_super+0x120f/0x1f00
[ 221.028617][ T5342] ? gfs2_reconfigure+0xd30/0xd30
[ 221.033716][ T5342] ? sb_set_blocksize+0xa5/0xe0
[ 221.038697][ T5342] get_tree_bdev+0x3f1/0x610
[ 221.043335][ T5342] ? gfs2_reconfigure+0xd30/0xd30
[ 221.048400][ T5342] gfs2_get_tree+0x4d/0x1e0
[ 221.052946][ T5342] vfs_get_tree+0x88/0x270
[ 221.057408][ T5342] do_new_mount+0x24a/0xa40
[ 221.061963][ T5342] __se_sys_mount+0x2e3/0x3d0
[ 221.066688][ T5342] ? __x64_sys_mount+0xc0/0xc0
[ 221.071507][ T5342] ? lockdep_hardirqs_on+0x94/0x140
[ 221.076754][ T5342] ? __x64_sys_mount+0x1c/0xc0
[ 221.081567][ T5342] do_syscall_64+0x4c/0xa0
[ 221.086198][ T5342] ? clear_bhb_loop+0x30/0x80
[ 221.090916][ T5342] ? clear_bhb_loop+0x30/0x80
[ 221.095613][ T5342] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.101523][ T5342] RIP: 0033:0x7f9111f4590a
[ 221.105948][ T5342] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 221.125907][ T5342] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.134344][ T5342] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 221.142565][ T5342] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 221.150576][ T5342] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 221.158558][ T5342] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 221.166541][ T5342] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 221.174537][ T5342]
[ 221.179811][ T5342] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.193103][ T5342] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.573152][ T5344] loop1: detected capacity change from 0 to 32768
[ 221.591586][ T5344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.599236][ T5344] CPU: 1 PID: 5344 Comm: syz.1.136 Not tainted syzkaller #0
[ 221.606580][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 221.616683][ T5344] Call Trace:
[ 221.620007][ T5344]
[ 221.622978][ T5344] dump_stack_lvl+0x188/0x250
[ 221.627702][ T5344] ? show_regs_print_info+0x20/0x20
[ 221.632954][ T5344] ? load_image+0x400/0x400
[ 221.637529][ T5344] sysfs_create_dir_ns+0x26a/0x290
[ 221.642703][ T5344] ? sysfs_warn_dup+0xa0/0xa0
[ 221.647453][ T5344] ? do_raw_spin_unlock+0x11d/0x230
[ 221.652813][ T5344] kobject_add_internal+0x6e0/0xd90
[ 221.658079][ T5344] kobject_init_and_add+0x128/0x190
[ 221.663650][ T5344] ? lockdep_softirqs_off+0x430/0x430
[ 221.669105][ T5344] ? kobject_add+0x230/0x230
[ 221.673761][ T5344] ? __init_swait_queue_head+0xa5/0x150
[ 221.679378][ T5344] gfs2_sys_fs_add+0x24f/0x4b0
[ 221.684214][ T5344] ? gfs2_recover_set+0x240/0x240
[ 221.689298][ T5344] ? snprintf+0xe5/0x140
[ 221.693601][ T5344] ? __free_pages+0x95/0x1a0
[ 221.698369][ T5344] ? vscnprintf+0x80/0x80
[ 221.702856][ T5344] gfs2_fill_super+0x120f/0x1f00
[ 221.707879][ T5344] ? gfs2_reconfigure+0xd30/0xd30
[ 221.712979][ T5344] ? sb_set_blocksize+0xa5/0xe0
[ 221.717879][ T5344] get_tree_bdev+0x3f1/0x610
[ 221.722531][ T5344] ? gfs2_reconfigure+0xd30/0xd30
[ 221.727623][ T5344] gfs2_get_tree+0x4d/0x1e0
[ 221.732192][ T5344] vfs_get_tree+0x88/0x270
[ 221.736663][ T5344] do_new_mount+0x24a/0xa40
[ 221.741233][ T5344] __se_sys_mount+0x2e3/0x3d0
[ 221.745976][ T5344] ? __x64_sys_mount+0xc0/0xc0
[ 221.750806][ T5344] ? lockdep_hardirqs_on+0x94/0x140
[ 221.756149][ T5344] ? __x64_sys_mount+0x1c/0xc0
[ 221.760967][ T5344] do_syscall_64+0x4c/0xa0
[ 221.765439][ T5344] ? clear_bhb_loop+0x30/0x80
[ 221.770165][ T5344] ? clear_bhb_loop+0x30/0x80
[ 221.774896][ T5344] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.780841][ T5344] RIP: 0033:0x7f9111f4590a
[ 221.785307][ T5344] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 221.804977][ T5344] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.813458][ T5344] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 221.821485][ T5344] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 221.829501][ T5344] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 221.837518][ T5344] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 221.845710][ T5344] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 221.853746][ T5344]
[ 221.861600][ T5344] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.874968][ T5344] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.160748][ T5346] loop1: detected capacity change from 0 to 32768
[ 222.208087][ T5346] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.215535][ T5346] CPU: 1 PID: 5346 Comm: syz.1.137 Not tainted syzkaller #0
[ 222.222983][ T5346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 222.233171][ T5346] Call Trace:
[ 222.236491][ T5346]
[ 222.239459][ T5346] dump_stack_lvl+0x188/0x250
[ 222.244199][ T5346] ? show_regs_print_info+0x20/0x20
[ 222.249449][ T5346] ? load_image+0x400/0x400
[ 222.254013][ T5346] sysfs_create_dir_ns+0x26a/0x290
[ 222.259170][ T5346] ? sysfs_warn_dup+0xa0/0xa0
[ 222.263894][ T5346] ? do_raw_spin_unlock+0x11d/0x230
[ 222.269289][ T5346] kobject_add_internal+0x6e0/0xd90
[ 222.274554][ T5346] kobject_init_and_add+0x128/0x190
[ 222.279808][ T5346] ? lockdep_softirqs_off+0x430/0x430
[ 222.285280][ T5346] ? kobject_add+0x230/0x230
[ 222.289924][ T5346] ? __init_swait_queue_head+0xa5/0x150
[ 222.295525][ T5346] gfs2_sys_fs_add+0x24f/0x4b0
[ 222.300346][ T5346] ? gfs2_recover_set+0x240/0x240
[ 222.305436][ T5346] ? snprintf+0xe5/0x140
[ 222.309724][ T5346] ? __free_pages+0x95/0x1a0
[ 222.314412][ T5346] ? vscnprintf+0x80/0x80
[ 222.318902][ T5346] gfs2_fill_super+0x120f/0x1f00
[ 222.323902][ T5346] ? gfs2_reconfigure+0xd30/0xd30
[ 222.328993][ T5346] ? sb_set_blocksize+0xa5/0xe0
[ 222.333995][ T5346] get_tree_bdev+0x3f1/0x610
[ 222.338757][ T5346] ? gfs2_reconfigure+0xd30/0xd30
[ 222.343827][ T5346] gfs2_get_tree+0x4d/0x1e0
[ 222.348379][ T5346] vfs_get_tree+0x88/0x270
[ 222.352858][ T5346] do_new_mount+0x24a/0xa40
[ 222.357442][ T5346] __se_sys_mount+0x2e3/0x3d0
[ 222.362175][ T5346] ? __x64_sys_mount+0xc0/0xc0
[ 222.366986][ T5346] ? lockdep_hardirqs_on+0x94/0x140
[ 222.372335][ T5346] ? __x64_sys_mount+0x1c/0xc0
[ 222.377150][ T5346] do_syscall_64+0x4c/0xa0
[ 222.381634][ T5346] ? clear_bhb_loop+0x30/0x80
[ 222.386358][ T5346] ? clear_bhb_loop+0x30/0x80
[ 222.391177][ T5346] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.397114][ T5346] RIP: 0033:0x7f9111f4590a
[ 222.401576][ T5346] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 222.421221][ T5346] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.429680][ T5346] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 222.437695][ T5346] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 222.445937][ T5346] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 222.454129][ T5346] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 222.462146][ T5346] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 222.470182][ T5346]
[ 222.485895][ T5346] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.501504][ T5346] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:57:31 executed programs: 123
[ 222.779628][ T5348] loop1: detected capacity change from 0 to 32768
[ 222.838100][ T5348] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.845554][ T5348] CPU: 0 PID: 5348 Comm: syz.1.138 Not tainted syzkaller #0
[ 222.852884][ T5348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 222.863157][ T5348] Call Trace:
[ 222.866485][ T5348]
[ 222.869473][ T5348] dump_stack_lvl+0x188/0x250
[ 222.874201][ T5348] ? show_regs_print_info+0x20/0x20
[ 222.879447][ T5348] ? load_image+0x400/0x400
[ 222.884059][ T5348] sysfs_create_dir_ns+0x26a/0x290
[ 222.889221][ T5348] ? sysfs_warn_dup+0xa0/0xa0
[ 222.893994][ T5348] ? do_raw_spin_unlock+0x11d/0x230
[ 222.899253][ T5348] kobject_add_internal+0x6e0/0xd90
[ 222.904603][ T5348] kobject_init_and_add+0x128/0x190
[ 222.909854][ T5348] ? lockdep_softirqs_off+0x430/0x430
[ 222.915300][ T5348] ? kobject_add+0x230/0x230
[ 222.919946][ T5348] ? __init_swait_queue_head+0xa5/0x150
[ 222.925824][ T5348] gfs2_sys_fs_add+0x24f/0x4b0
[ 222.930642][ T5348] ? gfs2_recover_set+0x240/0x240
[ 222.935715][ T5348] ? snprintf+0xe5/0x140
[ 222.939991][ T5348] ? __free_pages+0x95/0x1a0
[ 222.944619][ T5348] ? vscnprintf+0x80/0x80
[ 222.948993][ T5348] gfs2_fill_super+0x120f/0x1f00
[ 222.953985][ T5348] ? gfs2_reconfigure+0xd30/0xd30
[ 222.959068][ T5348] ? sb_set_blocksize+0xa5/0xe0
[ 222.963959][ T5348] get_tree_bdev+0x3f1/0x610
[ 222.968592][ T5348] ? gfs2_reconfigure+0xd30/0xd30
[ 222.973654][ T5348] gfs2_get_tree+0x4d/0x1e0
[ 222.978288][ T5348] vfs_get_tree+0x88/0x270
[ 222.982836][ T5348] do_new_mount+0x24a/0xa40
[ 222.987388][ T5348] __se_sys_mount+0x2e3/0x3d0
[ 222.992117][ T5348] ? __x64_sys_mount+0xc0/0xc0
[ 222.996937][ T5348] ? lockdep_hardirqs_on+0x94/0x140
[ 223.002235][ T5348] ? __x64_sys_mount+0x1c/0xc0
[ 223.007219][ T5348] do_syscall_64+0x4c/0xa0
[ 223.011719][ T5348] ? clear_bhb_loop+0x30/0x80
[ 223.016534][ T5348] ? clear_bhb_loop+0x30/0x80
[ 223.021255][ T5348] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.027270][ T5348] RIP: 0033:0x7f9111f4590a
[ 223.031743][ T5348] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 223.051386][ T5348] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.059844][ T5348] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 223.067855][ T5348] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 223.075864][ T5348] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 223.083881][ T5348] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 223.091894][ T5348] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 223.099938][ T5348]
[ 223.110720][ T5348] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.125303][ T5348] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.557764][ T5350] loop1: detected capacity change from 0 to 32768
[ 223.579744][ T5350] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.587286][ T5350] CPU: 1 PID: 5350 Comm: syz.1.139 Not tainted syzkaller #0
[ 223.594630][ T5350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 223.604855][ T5350] Call Trace:
[ 223.608182][ T5350]
[ 223.611214][ T5350] dump_stack_lvl+0x188/0x250
[ 223.615960][ T5350] ? show_regs_print_info+0x20/0x20
[ 223.621321][ T5350] ? load_image+0x400/0x400
[ 223.625889][ T5350] sysfs_create_dir_ns+0x26a/0x290
[ 223.631328][ T5350] ? sysfs_warn_dup+0xa0/0xa0
[ 223.636068][ T5350] ? do_raw_spin_unlock+0x11d/0x230
[ 223.641324][ T5350] kobject_add_internal+0x6e0/0xd90
[ 223.646590][ T5350] kobject_init_and_add+0x128/0x190
[ 223.651861][ T5350] ? lockdep_softirqs_off+0x430/0x430
[ 223.657305][ T5350] ? kobject_add+0x230/0x230
[ 223.661966][ T5350] ? __init_swait_queue_head+0xa5/0x150
[ 223.667581][ T5350] gfs2_sys_fs_add+0x24f/0x4b0
[ 223.672488][ T5350] ? gfs2_recover_set+0x240/0x240
[ 223.677566][ T5350] ? snprintf+0xe5/0x140
[ 223.681862][ T5350] ? __free_pages+0x95/0x1a0
[ 223.686504][ T5350] ? vscnprintf+0x80/0x80
[ 223.690888][ T5350] gfs2_fill_super+0x120f/0x1f00
[ 223.695890][ T5350] ? gfs2_reconfigure+0xd30/0xd30
[ 223.701180][ T5350] ? sb_set_blocksize+0xa5/0xe0
[ 223.706629][ T5350] get_tree_bdev+0x3f1/0x610
[ 223.711287][ T5350] ? gfs2_reconfigure+0xd30/0xd30
[ 223.716363][ T5350] gfs2_get_tree+0x4d/0x1e0
[ 223.720911][ T5350] vfs_get_tree+0x88/0x270
[ 223.725381][ T5350] do_new_mount+0x24a/0xa40
[ 223.729939][ T5350] __se_sys_mount+0x2e3/0x3d0
[ 223.734670][ T5350] ? __x64_sys_mount+0xc0/0xc0
[ 223.739487][ T5350] ? lockdep_hardirqs_on+0x94/0x140
[ 223.744732][ T5350] ? __x64_sys_mount+0x1c/0xc0
[ 223.749532][ T5350] do_syscall_64+0x4c/0xa0
[ 223.753987][ T5350] ? clear_bhb_loop+0x30/0x80
[ 223.758707][ T5350] ? clear_bhb_loop+0x30/0x80
[ 223.763508][ T5350] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.769441][ T5350] RIP: 0033:0x7f9111f4590a
[ 223.773896][ T5350] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 223.793543][ T5350] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.802005][ T5350] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 223.810020][ T5350] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 223.818168][ T5350] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 223.826186][ T5350] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 223.834436][ T5350] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 223.842471][ T5350]
[ 223.847015][ T5350] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.860537][ T5350] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.262638][ T5352] loop1: detected capacity change from 0 to 32768
[ 224.273870][ T5352] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.282182][ T5352] CPU: 0 PID: 5352 Comm: syz.1.140 Not tainted syzkaller #0
[ 224.289560][ T5352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 224.299660][ T5352] Call Trace:
[ 224.302982][ T5352]
[ 224.305991][ T5352] dump_stack_lvl+0x188/0x250
[ 224.310821][ T5352] ? show_regs_print_info+0x20/0x20
[ 224.316094][ T5352] ? load_image+0x400/0x400
[ 224.320662][ T5352] sysfs_create_dir_ns+0x26a/0x290
[ 224.325842][ T5352] ? sysfs_warn_dup+0xa0/0xa0
[ 224.330574][ T5352] ? do_raw_spin_unlock+0x11d/0x230
[ 224.335823][ T5352] kobject_add_internal+0x6e0/0xd90
[ 224.341180][ T5352] kobject_init_and_add+0x128/0x190
[ 224.346429][ T5352] ? lockdep_softirqs_off+0x430/0x430
[ 224.351906][ T5352] ? kobject_add+0x230/0x230
[ 224.356555][ T5352] ? __init_swait_queue_head+0xa5/0x150
[ 224.362161][ T5352] gfs2_sys_fs_add+0x24f/0x4b0
[ 224.366991][ T5352] ? gfs2_recover_set+0x240/0x240
[ 224.372061][ T5352] ? snprintf+0xe5/0x140
[ 224.376337][ T5352] ? __free_pages+0x95/0x1a0
[ 224.381035][ T5352] ? vscnprintf+0x80/0x80
[ 224.385423][ T5352] gfs2_fill_super+0x120f/0x1f00
[ 224.390413][ T5352] ? gfs2_reconfigure+0xd30/0xd30
[ 224.395502][ T5352] ? sb_set_blocksize+0xa5/0xe0
[ 224.400392][ T5352] get_tree_bdev+0x3f1/0x610
[ 224.405038][ T5352] ? gfs2_reconfigure+0xd30/0xd30
[ 224.410126][ T5352] gfs2_get_tree+0x4d/0x1e0
[ 224.414765][ T5352] vfs_get_tree+0x88/0x270
[ 224.419218][ T5352] do_new_mount+0x24a/0xa40
[ 224.423735][ T5352] __se_sys_mount+0x2e3/0x3d0
[ 224.428421][ T5352] ? __x64_sys_mount+0xc0/0xc0
[ 224.433191][ T5352] ? lockdep_hardirqs_on+0x94/0x140
[ 224.438398][ T5352] ? __x64_sys_mount+0x1c/0xc0
[ 224.443170][ T5352] do_syscall_64+0x4c/0xa0
[ 224.447589][ T5352] ? clear_bhb_loop+0x30/0x80
[ 224.452279][ T5352] ? clear_bhb_loop+0x30/0x80
[ 224.456965][ T5352] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.462883][ T5352] RIP: 0033:0x7f9111f4590a
[ 224.467322][ T5352] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 224.486949][ T5352] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.495377][ T5352] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 224.503472][ T5352] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 224.511626][ T5352] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 224.519636][ T5352] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 224.527639][ T5352] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 224.535727][ T5352]
[ 224.540867][ T5352] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.554355][ T5352] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.932613][ T5354] loop1: detected capacity change from 0 to 32768
[ 224.990405][ T5354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.997946][ T5354] CPU: 0 PID: 5354 Comm: syz.1.141 Not tainted syzkaller #0
[ 225.005272][ T5354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 225.015380][ T5354] Call Trace:
[ 225.018710][ T5354]
[ 225.021694][ T5354] dump_stack_lvl+0x188/0x250
[ 225.026427][ T5354] ? show_regs_print_info+0x20/0x20
[ 225.031672][ T5354] ? load_image+0x400/0x400
[ 225.036244][ T5354] sysfs_create_dir_ns+0x26a/0x290
[ 225.041791][ T5354] ? sysfs_warn_dup+0xa0/0xa0
[ 225.046805][ T5354] ? do_raw_spin_unlock+0x11d/0x230
[ 225.052532][ T5354] kobject_add_internal+0x6e0/0xd90
[ 225.058183][ T5354] kobject_init_and_add+0x128/0x190
[ 225.063529][ T5354] ? lockdep_softirqs_off+0x430/0x430
[ 225.069366][ T5354] ? kobject_add+0x230/0x230
[ 225.074181][ T5354] ? __init_swait_queue_head+0xa5/0x150
[ 225.079961][ T5354] gfs2_sys_fs_add+0x24f/0x4b0
[ 225.084791][ T5354] ? gfs2_recover_set+0x240/0x240
[ 225.089869][ T5354] ? snprintf+0xe5/0x140
[ 225.094276][ T5354] ? __free_pages+0x95/0x1a0
[ 225.098908][ T5354] ? vscnprintf+0x80/0x80
[ 225.103290][ T5354] gfs2_fill_super+0x120f/0x1f00
[ 225.108458][ T5354] ? gfs2_reconfigure+0xd30/0xd30
[ 225.113821][ T5354] ? sb_set_blocksize+0xa5/0xe0
[ 225.118799][ T5354] get_tree_bdev+0x3f1/0x610
[ 225.123437][ T5354] ? gfs2_reconfigure+0xd30/0xd30
[ 225.128508][ T5354] gfs2_get_tree+0x4d/0x1e0
[ 225.133101][ T5354] vfs_get_tree+0x88/0x270
[ 225.137712][ T5354] do_new_mount+0x24a/0xa40
[ 225.142278][ T5354] __se_sys_mount+0x2e3/0x3d0
[ 225.147019][ T5354] ? __x64_sys_mount+0xc0/0xc0
[ 225.152308][ T5354] ? lockdep_hardirqs_on+0x94/0x140
[ 225.157560][ T5354] ? __x64_sys_mount+0x1c/0xc0
[ 225.162630][ T5354] do_syscall_64+0x4c/0xa0
[ 225.167122][ T5354] ? clear_bhb_loop+0x30/0x80
[ 225.171876][ T5354] ? clear_bhb_loop+0x30/0x80
[ 225.176608][ T5354] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.182563][ T5354] RIP: 0033:0x7f9111f4590a
[ 225.187068][ T5354] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 225.206707][ T5354] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.215173][ T5354] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 225.223198][ T5354] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 225.232088][ T5354] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 225.240206][ T5354] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 225.248229][ T5354] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 225.256511][ T5354]
[ 225.262896][ T5354] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.277121][ T5354] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.561836][ T5356] loop1: detected capacity change from 0 to 32768
[ 225.578071][ T5356] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.585972][ T5356] CPU: 0 PID: 5356 Comm: syz.1.142 Not tainted syzkaller #0
[ 225.593318][ T5356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 225.603619][ T5356] Call Trace:
[ 225.606943][ T5356]
[ 225.609999][ T5356] dump_stack_lvl+0x188/0x250
[ 225.614723][ T5356] ? show_regs_print_info+0x20/0x20
[ 225.619962][ T5356] ? load_image+0x400/0x400
[ 225.624530][ T5356] sysfs_create_dir_ns+0x26a/0x290
[ 225.629690][ T5356] ? sysfs_warn_dup+0xa0/0xa0
[ 225.634437][ T5356] ? do_raw_spin_unlock+0x11d/0x230
[ 225.639692][ T5356] kobject_add_internal+0x6e0/0xd90
[ 225.644943][ T5356] kobject_init_and_add+0x128/0x190
[ 225.650180][ T5356] ? lockdep_softirqs_off+0x430/0x430
[ 225.655605][ T5356] ? kobject_add+0x230/0x230
[ 225.660457][ T5356] ? __init_swait_queue_head+0xa5/0x150
[ 225.666223][ T5356] gfs2_sys_fs_add+0x24f/0x4b0
[ 225.671028][ T5356] ? gfs2_recover_set+0x240/0x240
[ 225.676091][ T5356] ? snprintf+0xe5/0x140
[ 225.680460][ T5356] ? __free_pages+0x95/0x1a0
[ 225.685097][ T5356] ? vscnprintf+0x80/0x80
[ 225.689484][ T5356] gfs2_fill_super+0x120f/0x1f00
[ 225.694490][ T5356] ? gfs2_reconfigure+0xd30/0xd30
[ 225.699572][ T5356] ? sb_set_blocksize+0xa5/0xe0
[ 225.704498][ T5356] get_tree_bdev+0x3f1/0x610
[ 225.709132][ T5356] ? gfs2_reconfigure+0xd30/0xd30
[ 225.714211][ T5356] gfs2_get_tree+0x4d/0x1e0
[ 225.718846][ T5356] vfs_get_tree+0x88/0x270
[ 225.723407][ T5356] do_new_mount+0x24a/0xa40
[ 225.727968][ T5356] __se_sys_mount+0x2e3/0x3d0
[ 225.732921][ T5356] ? __x64_sys_mount+0xc0/0xc0
[ 225.737707][ T5356] ? lockdep_hardirqs_on+0x94/0x140
[ 225.742993][ T5356] ? __x64_sys_mount+0x1c/0xc0
[ 225.747784][ T5356] do_syscall_64+0x4c/0xa0
[ 225.752261][ T5356] ? clear_bhb_loop+0x30/0x80
[ 225.757146][ T5356] ? clear_bhb_loop+0x30/0x80
[ 225.761832][ T5356] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.767735][ T5356] RIP: 0033:0x7f9111f4590a
[ 225.772163][ T5356] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 225.792227][ T5356] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.800817][ T5356] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 225.808821][ T5356] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 225.816810][ T5356] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 225.824808][ T5356] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 225.832880][ T5356] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 225.840960][ T5356]
[ 225.846160][ T5356] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.859587][ T5356] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.254387][ T5358] loop1: detected capacity change from 0 to 32768
[ 226.275023][ T5358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.282537][ T5358] CPU: 1 PID: 5358 Comm: syz.1.143 Not tainted syzkaller #0
[ 226.289964][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 226.300063][ T5358] Call Trace:
[ 226.303387][ T5358]
[ 226.306371][ T5358] dump_stack_lvl+0x188/0x250
[ 226.311102][ T5358] ? show_regs_print_info+0x20/0x20
[ 226.316358][ T5358] ? load_image+0x400/0x400
[ 226.320929][ T5358] sysfs_create_dir_ns+0x26a/0x290
[ 226.326126][ T5358] ? sysfs_warn_dup+0xa0/0xa0
[ 226.330851][ T5358] ? do_raw_spin_unlock+0x11d/0x230
[ 226.336101][ T5358] kobject_add_internal+0x6e0/0xd90
[ 226.341364][ T5358] kobject_init_and_add+0x128/0x190
[ 226.346610][ T5358] ? lockdep_softirqs_off+0x430/0x430
[ 226.352040][ T5358] ? kobject_add+0x230/0x230
[ 226.356676][ T5358] ? __init_swait_queue_head+0xa5/0x150
[ 226.362277][ T5358] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.367090][ T5358] ? gfs2_recover_set+0x240/0x240
[ 226.372166][ T5358] ? snprintf+0xe5/0x140
[ 226.376446][ T5358] ? __free_pages+0x95/0x1a0
[ 226.381090][ T5358] ? vscnprintf+0x80/0x80
[ 226.385480][ T5358] gfs2_fill_super+0x120f/0x1f00
[ 226.390576][ T5358] ? gfs2_reconfigure+0xd30/0xd30
[ 226.395664][ T5358] ? sb_set_blocksize+0xa5/0xe0
[ 226.400668][ T5358] get_tree_bdev+0x3f1/0x610
[ 226.405570][ T5358] ? gfs2_reconfigure+0xd30/0xd30
[ 226.410652][ T5358] gfs2_get_tree+0x4d/0x1e0
[ 226.415214][ T5358] vfs_get_tree+0x88/0x270
[ 226.419674][ T5358] do_new_mount+0x24a/0xa40
[ 226.424228][ T5358] __se_sys_mount+0x2e3/0x3d0
[ 226.428952][ T5358] ? __x64_sys_mount+0xc0/0xc0
[ 226.433767][ T5358] ? lockdep_hardirqs_on+0x94/0x140
[ 226.439010][ T5358] ? __x64_sys_mount+0x1c/0xc0
[ 226.443824][ T5358] do_syscall_64+0x4c/0xa0
[ 226.448330][ T5358] ? clear_bhb_loop+0x30/0x80
[ 226.453050][ T5358] ? clear_bhb_loop+0x30/0x80
[ 226.457766][ T5358] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.463789][ T5358] RIP: 0033:0x7f9111f4590a
[ 226.468244][ T5358] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 226.487895][ T5358] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.496369][ T5358] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 226.504473][ T5358] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 226.512494][ T5358] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 226.520512][ T5358] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 226.528534][ T5358] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 226.536561][ T5358]
[ 226.545135][ T5358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.558587][ T5358] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.845259][ T5360] loop1: detected capacity change from 0 to 32768
[ 226.904151][ T5360] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.915771][ T5360] CPU: 0 PID: 5360 Comm: syz.1.144 Not tainted syzkaller #0
[ 226.923132][ T5360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 226.933415][ T5360] Call Trace:
[ 226.936734][ T5360]
[ 226.939724][ T5360] dump_stack_lvl+0x188/0x250
[ 226.944547][ T5360] ? show_regs_print_info+0x20/0x20
[ 226.949800][ T5360] ? load_image+0x400/0x400
[ 226.954365][ T5360] sysfs_create_dir_ns+0x26a/0x290
[ 226.959538][ T5360] ? sysfs_warn_dup+0xa0/0xa0
[ 226.964269][ T5360] ? do_raw_spin_unlock+0x11d/0x230
[ 226.969615][ T5360] kobject_add_internal+0x6e0/0xd90
[ 226.975051][ T5360] kobject_init_and_add+0x128/0x190
[ 226.980402][ T5360] ? lockdep_softirqs_off+0x430/0x430
[ 226.985845][ T5360] ? kobject_add+0x230/0x230
[ 226.990497][ T5360] ? __init_swait_queue_head+0xa5/0x150
[ 226.996187][ T5360] gfs2_sys_fs_add+0x24f/0x4b0
[ 227.001029][ T5360] ? gfs2_recover_set+0x240/0x240
[ 227.006099][ T5360] ? snprintf+0xe5/0x140
[ 227.010382][ T5360] ? __free_pages+0x95/0x1a0
[ 227.015112][ T5360] ? vscnprintf+0x80/0x80
[ 227.019663][ T5360] gfs2_fill_super+0x120f/0x1f00
[ 227.024778][ T5360] ? gfs2_reconfigure+0xd30/0xd30
[ 227.030098][ T5360] ? sb_set_blocksize+0xa5/0xe0
[ 227.035013][ T5360] get_tree_bdev+0x3f1/0x610
[ 227.039659][ T5360] ? gfs2_reconfigure+0xd30/0xd30
[ 227.045021][ T5360] gfs2_get_tree+0x4d/0x1e0
[ 227.049590][ T5360] vfs_get_tree+0x88/0x270
[ 227.054151][ T5360] do_new_mount+0x24a/0xa40
[ 227.058719][ T5360] __se_sys_mount+0x2e3/0x3d0
[ 227.063545][ T5360] ? __x64_sys_mount+0xc0/0xc0
[ 227.068373][ T5360] ? lockdep_hardirqs_on+0x94/0x140
[ 227.073702][ T5360] ? __x64_sys_mount+0x1c/0xc0
[ 227.078829][ T5360] do_syscall_64+0x4c/0xa0
[ 227.083294][ T5360] ? clear_bhb_loop+0x30/0x80
[ 227.088155][ T5360] ? clear_bhb_loop+0x30/0x80
[ 227.092881][ T5360] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.098823][ T5360] RIP: 0033:0x7f9111f4590a
[ 227.103292][ T5360] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 227.122951][ T5360] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.131418][ T5360] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 227.139457][ T5360] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 227.147482][ T5360] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 227.155497][ T5360] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 227.163508][ T5360] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 227.171538][ T5360]
[ 227.177304][ T5360] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.191513][ T5360] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.496119][ T5362] loop1: detected capacity change from 0 to 32768
[ 227.549258][ T5362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.556706][ T5362] CPU: 1 PID: 5362 Comm: syz.1.145 Not tainted syzkaller #0
[ 227.564152][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 227.574340][ T5362] Call Trace:
[ 227.577665][ T5362]
[ 227.580643][ T5362] dump_stack_lvl+0x188/0x250
[ 227.585370][ T5362] ? show_regs_print_info+0x20/0x20
[ 227.590788][ T5362] ? load_image+0x400/0x400
[ 227.595370][ T5362] sysfs_create_dir_ns+0x26a/0x290
[ 227.600546][ T5362] ? sysfs_warn_dup+0xa0/0xa0
[ 227.605276][ T5362] ? do_raw_spin_unlock+0x11d/0x230
[ 227.610528][ T5362] kobject_add_internal+0x6e0/0xd90
[ 227.615784][ T5362] kobject_init_and_add+0x128/0x190
[ 227.621034][ T5362] ? lockdep_softirqs_off+0x430/0x430
[ 227.626548][ T5362] ? kobject_add+0x230/0x230
[ 227.631193][ T5362] ? __init_swait_queue_head+0xa5/0x150
[ 227.636794][ T5362] gfs2_sys_fs_add+0x24f/0x4b0
[ 227.641602][ T5362] ? gfs2_recover_set+0x240/0x240
[ 227.646664][ T5362] ? snprintf+0xe5/0x140
[ 227.650938][ T5362] ? __free_pages+0x95/0x1a0
[ 227.655579][ T5362] ? vscnprintf+0x80/0x80
[ 227.659959][ T5362] gfs2_fill_super+0x120f/0x1f00
[ 227.664953][ T5362] ? gfs2_reconfigure+0xd30/0xd30
[ 227.670122][ T5362] ? sb_set_blocksize+0xa5/0xe0
[ 227.675160][ T5362] get_tree_bdev+0x3f1/0x610
[ 227.679808][ T5362] ? gfs2_reconfigure+0xd30/0xd30
[ 227.684893][ T5362] gfs2_get_tree+0x4d/0x1e0
[ 227.689448][ T5362] vfs_get_tree+0x88/0x270
[ 227.693918][ T5362] do_new_mount+0x24a/0xa40
[ 227.698482][ T5362] __se_sys_mount+0x2e3/0x3d0
[ 227.703221][ T5362] ? __x64_sys_mount+0xc0/0xc0
[ 227.708040][ T5362] ? lockdep_hardirqs_on+0x94/0x140
[ 227.713514][ T5362] ? __x64_sys_mount+0x1c/0xc0
[ 227.718463][ T5362] do_syscall_64+0x4c/0xa0
[ 227.722922][ T5362] ? clear_bhb_loop+0x30/0x80
[ 227.727738][ T5362] ? clear_bhb_loop+0x30/0x80
[ 227.732642][ T5362] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.738582][ T5362] RIP: 0033:0x7f9111f4590a
[ 227.743034][ T5362] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 227.762811][ T5362] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.771275][ T5362] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 227.779292][ T5362] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 227.787309][ T5362] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 227.795321][ T5362] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 227.803337][ T5362] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 227.811369][ T5362]
[ 227.819413][ T5362] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.836402][ T5362] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:57:36 executed programs: 131
[ 228.250139][ T5364] loop1: detected capacity change from 0 to 32768
[ 228.298062][ T5364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.305603][ T5364] CPU: 0 PID: 5364 Comm: syz.1.146 Not tainted syzkaller #0
[ 228.313042][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 228.323143][ T5364] Call Trace:
[ 228.326563][ T5364]
[ 228.329553][ T5364] dump_stack_lvl+0x188/0x250
[ 228.334291][ T5364] ? show_regs_print_info+0x20/0x20
[ 228.339554][ T5364] ? load_image+0x400/0x400
[ 228.344126][ T5364] sysfs_create_dir_ns+0x26a/0x290
[ 228.349300][ T5364] ? sysfs_warn_dup+0xa0/0xa0
[ 228.354039][ T5364] ? do_raw_spin_unlock+0x11d/0x230
[ 228.359331][ T5364] kobject_add_internal+0x6e0/0xd90
[ 228.364597][ T5364] kobject_init_and_add+0x128/0x190
[ 228.369841][ T5364] ? lockdep_softirqs_off+0x430/0x430
[ 228.375284][ T5364] ? kobject_add+0x230/0x230
[ 228.379943][ T5364] ? __init_swait_queue_head+0xa5/0x150
[ 228.385560][ T5364] gfs2_sys_fs_add+0x24f/0x4b0
[ 228.390384][ T5364] ? gfs2_recover_set+0x240/0x240
[ 228.395479][ T5364] ? snprintf+0xe5/0x140
[ 228.399779][ T5364] ? __free_pages+0x95/0x1a0
[ 228.404428][ T5364] ? vscnprintf+0x80/0x80
[ 228.408929][ T5364] gfs2_fill_super+0x120f/0x1f00
[ 228.415084][ T5364] ? gfs2_reconfigure+0xd30/0xd30
[ 228.420181][ T5364] ? sb_set_blocksize+0xa5/0xe0
[ 228.425092][ T5364] get_tree_bdev+0x3f1/0x610
[ 228.429822][ T5364] ? gfs2_reconfigure+0xd30/0xd30
[ 228.434946][ T5364] gfs2_get_tree+0x4d/0x1e0
[ 228.439508][ T5364] vfs_get_tree+0x88/0x270
[ 228.443987][ T5364] do_new_mount+0x24a/0xa40
[ 228.448547][ T5364] __se_sys_mount+0x2e3/0x3d0
[ 228.453290][ T5364] ? __x64_sys_mount+0xc0/0xc0
[ 228.458133][ T5364] ? lockdep_hardirqs_on+0x94/0x140
[ 228.463387][ T5364] ? __x64_sys_mount+0x1c/0xc0
[ 228.468202][ T5364] do_syscall_64+0x4c/0xa0
[ 228.472840][ T5364] ? clear_bhb_loop+0x30/0x80
[ 228.477662][ T5364] ? clear_bhb_loop+0x30/0x80
[ 228.482494][ T5364] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.488932][ T5364] RIP: 0033:0x7f9111f4590a
[ 228.493401][ T5364] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 228.513621][ T5364] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.522101][ T5364] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 228.530386][ T5364] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 228.538606][ T5364] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 228.546634][ T5364] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 228.554727][ T5364] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 228.562776][ T5364]
[ 228.572704][ T5364] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.586300][ T5364] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.863967][ T5366] loop1: detected capacity change from 0 to 32768
[ 228.911012][ T5366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.919658][ T5366] CPU: 0 PID: 5366 Comm: syz.1.147 Not tainted syzkaller #0
[ 228.927018][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 228.937122][ T5366] Call Trace:
[ 228.940460][ T5366]
[ 228.943426][ T5366] dump_stack_lvl+0x188/0x250
[ 228.948242][ T5366] ? show_regs_print_info+0x20/0x20
[ 228.953617][ T5366] ? load_image+0x400/0x400
[ 228.958279][ T5366] sysfs_create_dir_ns+0x26a/0x290
[ 228.963442][ T5366] ? sysfs_warn_dup+0xa0/0xa0
[ 228.968342][ T5366] ? do_raw_spin_unlock+0x11d/0x230
[ 228.973599][ T5366] kobject_add_internal+0x6e0/0xd90
[ 228.978892][ T5366] kobject_init_and_add+0x128/0x190
[ 228.984131][ T5366] ? lockdep_softirqs_off+0x430/0x430
[ 228.989543][ T5366] ? kobject_add+0x230/0x230
[ 228.994181][ T5366] ? __init_swait_queue_head+0xa5/0x150
[ 228.999960][ T5366] gfs2_sys_fs_add+0x24f/0x4b0
[ 229.004778][ T5366] ? gfs2_recover_set+0x240/0x240
[ 229.009852][ T5366] ? snprintf+0xe5/0x140
[ 229.014229][ T5366] ? __free_pages+0x95/0x1a0
[ 229.018876][ T5366] ? vscnprintf+0x80/0x80
[ 229.023324][ T5366] gfs2_fill_super+0x120f/0x1f00
[ 229.028351][ T5366] ? gfs2_reconfigure+0xd30/0xd30
[ 229.033437][ T5366] ? sb_set_blocksize+0xa5/0xe0
[ 229.038339][ T5366] get_tree_bdev+0x3f1/0x610
[ 229.042978][ T5366] ? gfs2_reconfigure+0xd30/0xd30
[ 229.048052][ T5366] gfs2_get_tree+0x4d/0x1e0
[ 229.052599][ T5366] vfs_get_tree+0x88/0x270
[ 229.057067][ T5366] do_new_mount+0x24a/0xa40
[ 229.061618][ T5366] __se_sys_mount+0x2e3/0x3d0
[ 229.066365][ T5366] ? __x64_sys_mount+0xc0/0xc0
[ 229.071179][ T5366] ? lockdep_hardirqs_on+0x94/0x140
[ 229.076418][ T5366] ? __x64_sys_mount+0x1c/0xc0
[ 229.081237][ T5366] do_syscall_64+0x4c/0xa0
[ 229.085694][ T5366] ? clear_bhb_loop+0x30/0x80
[ 229.090490][ T5366] ? clear_bhb_loop+0x30/0x80
[ 229.095209][ T5366] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.101250][ T5366] RIP: 0033:0x7f9111f4590a
[ 229.105806][ T5366] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 229.125895][ T5366] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.134355][ T5366] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 229.142375][ T5366] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 229.150846][ T5366] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 229.159140][ T5366] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 229.167360][ T5366] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 229.175615][ T5366]
[ 229.185198][ T5366] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.198742][ T5366] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.474943][ T5368] loop1: detected capacity change from 0 to 32768
[ 229.486007][ T5368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.494750][ T5368] CPU: 0 PID: 5368 Comm: syz.1.148 Not tainted syzkaller #0
[ 229.502092][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 229.512184][ T5368] Call Trace:
[ 229.515503][ T5368]
[ 229.518478][ T5368] dump_stack_lvl+0x188/0x250
[ 229.523200][ T5368] ? show_regs_print_info+0x20/0x20
[ 229.528464][ T5368] ? load_image+0x400/0x400
[ 229.533029][ T5368] sysfs_create_dir_ns+0x26a/0x290
[ 229.538194][ T5368] ? sysfs_warn_dup+0xa0/0xa0
[ 229.543019][ T5368] ? do_raw_spin_unlock+0x11d/0x230
[ 229.548275][ T5368] kobject_add_internal+0x6e0/0xd90
[ 229.553634][ T5368] kobject_init_and_add+0x128/0x190
[ 229.558881][ T5368] ? lockdep_softirqs_off+0x430/0x430
[ 229.564311][ T5368] ? kobject_add+0x230/0x230
[ 229.569091][ T5368] ? __init_swait_queue_head+0xa5/0x150
[ 229.574699][ T5368] gfs2_sys_fs_add+0x24f/0x4b0
[ 229.579518][ T5368] ? gfs2_recover_set+0x240/0x240
[ 229.584609][ T5368] ? snprintf+0xe5/0x140
[ 229.588921][ T5368] ? __free_pages+0x95/0x1a0
[ 229.593571][ T5368] ? vscnprintf+0x80/0x80
[ 229.598112][ T5368] gfs2_fill_super+0x120f/0x1f00
[ 229.603200][ T5368] ? gfs2_reconfigure+0xd30/0xd30
[ 229.608379][ T5368] ? sb_set_blocksize+0xa5/0xe0
[ 229.613272][ T5368] get_tree_bdev+0x3f1/0x610
[ 229.617905][ T5368] ? gfs2_reconfigure+0xd30/0xd30
[ 229.622974][ T5368] gfs2_get_tree+0x4d/0x1e0
[ 229.627656][ T5368] vfs_get_tree+0x88/0x270
[ 229.632285][ T5368] do_new_mount+0x24a/0xa40
[ 229.637100][ T5368] __se_sys_mount+0x2e3/0x3d0
[ 229.642083][ T5368] ? __x64_sys_mount+0xc0/0xc0
[ 229.646897][ T5368] ? lockdep_hardirqs_on+0x94/0x140
[ 229.652143][ T5368] ? __x64_sys_mount+0x1c/0xc0
[ 229.656938][ T5368] do_syscall_64+0x4c/0xa0
[ 229.661392][ T5368] ? clear_bhb_loop+0x30/0x80
[ 229.666077][ T5368] ? clear_bhb_loop+0x30/0x80
[ 229.670765][ T5368] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.676680][ T5368] RIP: 0033:0x7f9111f4590a
[ 229.681136][ T5368] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 229.700894][ T5368] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.709670][ T5368] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 229.717792][ T5368] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 229.726286][ T5368] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 229.734366][ T5368] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 229.742450][ T5368] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 229.750460][ T5368]
[ 229.755816][ T5368] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.769078][ T5368] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.170282][ T5370] loop1: detected capacity change from 0 to 32768
[ 230.252235][ T5370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.260705][ T5370] CPU: 0 PID: 5370 Comm: syz.1.149 Not tainted syzkaller #0
[ 230.268052][ T5370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 230.278149][ T5370] Call Trace:
[ 230.281465][ T5370]
[ 230.284441][ T5370] dump_stack_lvl+0x188/0x250
[ 230.289260][ T5370] ? show_regs_print_info+0x20/0x20
[ 230.294508][ T5370] ? load_image+0x400/0x400
[ 230.299074][ T5370] sysfs_create_dir_ns+0x26a/0x290
[ 230.304241][ T5370] ? sysfs_warn_dup+0xa0/0xa0
[ 230.308973][ T5370] ? do_raw_spin_unlock+0x11d/0x230
[ 230.314314][ T5370] kobject_add_internal+0x6e0/0xd90
[ 230.319582][ T5370] kobject_init_and_add+0x128/0x190
[ 230.324837][ T5370] ? lockdep_softirqs_off+0x430/0x430
[ 230.330535][ T5370] ? kobject_add+0x230/0x230
[ 230.335193][ T5370] ? __init_swait_queue_head+0xa5/0x150
[ 230.340802][ T5370] gfs2_sys_fs_add+0x24f/0x4b0
[ 230.345734][ T5370] ? gfs2_recover_set+0x240/0x240
[ 230.350814][ T5370] ? snprintf+0xe5/0x140
[ 230.355108][ T5370] ? __free_pages+0x95/0x1a0
[ 230.359763][ T5370] ? vscnprintf+0x80/0x80
[ 230.364148][ T5370] gfs2_fill_super+0x120f/0x1f00
[ 230.369172][ T5370] ? gfs2_reconfigure+0xd30/0xd30
[ 230.374255][ T5370] ? sb_set_blocksize+0xa5/0xe0
[ 230.379142][ T5370] get_tree_bdev+0x3f1/0x610
[ 230.383782][ T5370] ? gfs2_reconfigure+0xd30/0xd30
[ 230.389021][ T5370] gfs2_get_tree+0x4d/0x1e0
[ 230.393569][ T5370] vfs_get_tree+0x88/0x270
[ 230.398290][ T5370] do_new_mount+0x24a/0xa40
[ 230.402847][ T5370] __se_sys_mount+0x2e3/0x3d0
[ 230.407585][ T5370] ? __x64_sys_mount+0xc0/0xc0
[ 230.412394][ T5370] ? lockdep_hardirqs_on+0x94/0x140
[ 230.417639][ T5370] ? __x64_sys_mount+0x1c/0xc0
[ 230.422431][ T5370] do_syscall_64+0x4c/0xa0
[ 230.426964][ T5370] ? clear_bhb_loop+0x30/0x80
[ 230.431750][ T5370] ? clear_bhb_loop+0x30/0x80
[ 230.436447][ T5370] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.442369][ T5370] RIP: 0033:0x7f9111f4590a
[ 230.446794][ T5370] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 230.466496][ T5370] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.475008][ T5370] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 230.482991][ T5370] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 230.491060][ T5370] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 230.499788][ T5370] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 230.507909][ T5370] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 230.515956][ T5370]
[ 230.521358][ T5370] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.535059][ T5370] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.924714][ T5372] loop1: detected capacity change from 0 to 32768
[ 230.963615][ T5372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.981879][ T5372] CPU: 0 PID: 5372 Comm: syz.1.150 Not tainted syzkaller #0
[ 230.989246][ T5372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 230.999431][ T5372] Call Trace:
[ 231.002755][ T5372]
[ 231.005730][ T5372] dump_stack_lvl+0x188/0x250
[ 231.010460][ T5372] ? show_regs_print_info+0x20/0x20
[ 231.015756][ T5372] ? load_image+0x400/0x400
[ 231.020322][ T5372] sysfs_create_dir_ns+0x26a/0x290
[ 231.025514][ T5372] ? sysfs_warn_dup+0xa0/0xa0
[ 231.030671][ T5372] ? do_raw_spin_unlock+0x11d/0x230
[ 231.035949][ T5372] kobject_add_internal+0x6e0/0xd90
[ 231.041476][ T5372] kobject_init_and_add+0x128/0x190
[ 231.046735][ T5372] ? lockdep_softirqs_off+0x430/0x430
[ 231.052184][ T5372] ? kobject_add+0x230/0x230
[ 231.056828][ T5372] ? __init_swait_queue_head+0xa5/0x150
[ 231.062434][ T5372] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.067691][ T5372] ? gfs2_recover_set+0x240/0x240
[ 231.072785][ T5372] ? snprintf+0xe5/0x140
[ 231.077073][ T5372] ? __free_pages+0x95/0x1a0
[ 231.081708][ T5372] ? vscnprintf+0x80/0x80
[ 231.086089][ T5372] gfs2_fill_super+0x120f/0x1f00
[ 231.091098][ T5372] ? gfs2_reconfigure+0xd30/0xd30
[ 231.096185][ T5372] ? sb_set_blocksize+0xa5/0xe0
[ 231.101084][ T5372] get_tree_bdev+0x3f1/0x610
[ 231.105723][ T5372] ? gfs2_reconfigure+0xd30/0xd30
[ 231.110805][ T5372] gfs2_get_tree+0x4d/0x1e0
[ 231.115418][ T5372] vfs_get_tree+0x88/0x270
[ 231.119987][ T5372] do_new_mount+0x24a/0xa40
[ 231.124545][ T5372] __se_sys_mount+0x2e3/0x3d0
[ 231.129277][ T5372] ? __x64_sys_mount+0xc0/0xc0
[ 231.134091][ T5372] ? lockdep_hardirqs_on+0x94/0x140
[ 231.139334][ T5372] ? __x64_sys_mount+0x1c/0xc0
[ 231.144146][ T5372] do_syscall_64+0x4c/0xa0
[ 231.148603][ T5372] ? clear_bhb_loop+0x30/0x80
[ 231.153322][ T5372] ? clear_bhb_loop+0x30/0x80
[ 231.158042][ T5372] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.163981][ T5372] RIP: 0033:0x7f9111f4590a
[ 231.168432][ T5372] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 231.188176][ T5372] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.196668][ T5372] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 231.205036][ T5372] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 231.213411][ T5372] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 231.221443][ T5372] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 231.229463][ T5372] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 231.237670][ T5372]
[ 231.248764][ T5372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.262493][ T5372] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.637719][ T5374] loop1: detected capacity change from 0 to 32768
[ 231.708026][ T5374] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.715513][ T5374] CPU: 0 PID: 5374 Comm: syz.1.151 Not tainted syzkaller #0
[ 231.722947][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 231.733152][ T5374] Call Trace:
[ 231.736734][ T5374]
[ 231.739705][ T5374] dump_stack_lvl+0x188/0x250
[ 231.744451][ T5374] ? show_regs_print_info+0x20/0x20
[ 231.749792][ T5374] ? load_image+0x400/0x400
[ 231.754464][ T5374] sysfs_create_dir_ns+0x26a/0x290
[ 231.759637][ T5374] ? sysfs_warn_dup+0xa0/0xa0
[ 231.764578][ T5374] ? do_raw_spin_unlock+0x11d/0x230
[ 231.769834][ T5374] kobject_add_internal+0x6e0/0xd90
[ 231.775087][ T5374] kobject_init_and_add+0x128/0x190
[ 231.780326][ T5374] ? lockdep_softirqs_off+0x430/0x430
[ 231.785742][ T5374] ? kobject_add+0x230/0x230
[ 231.790385][ T5374] ? __init_swait_queue_head+0xa5/0x150
[ 231.795992][ T5374] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.800812][ T5374] ? gfs2_recover_set+0x240/0x240
[ 231.805895][ T5374] ? snprintf+0xe5/0x140
[ 231.810207][ T5374] ? __free_pages+0x95/0x1a0
[ 231.814843][ T5374] ? vscnprintf+0x80/0x80
[ 231.819222][ T5374] gfs2_fill_super+0x120f/0x1f00
[ 231.824216][ T5374] ? gfs2_reconfigure+0xd30/0xd30
[ 231.829671][ T5374] ? sb_set_blocksize+0xa5/0xe0
[ 231.834757][ T5374] get_tree_bdev+0x3f1/0x610
[ 231.839406][ T5374] ? gfs2_reconfigure+0xd30/0xd30
[ 231.844606][ T5374] gfs2_get_tree+0x4d/0x1e0
[ 231.849326][ T5374] vfs_get_tree+0x88/0x270
[ 231.853887][ T5374] do_new_mount+0x24a/0xa40
[ 231.858542][ T5374] __se_sys_mount+0x2e3/0x3d0
[ 231.863287][ T5374] ? __x64_sys_mount+0xc0/0xc0
[ 231.868203][ T5374] ? lockdep_hardirqs_on+0x94/0x140
[ 231.873461][ T5374] ? __x64_sys_mount+0x1c/0xc0
[ 231.878268][ T5374] do_syscall_64+0x4c/0xa0
[ 231.882773][ T5374] ? clear_bhb_loop+0x30/0x80
[ 231.887500][ T5374] ? clear_bhb_loop+0x30/0x80
[ 231.892248][ T5374] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.898281][ T5374] RIP: 0033:0x7f9111f4590a
[ 231.902736][ T5374] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 231.922384][ T5374] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.930938][ T5374] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 231.939570][ T5374] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 231.947673][ T5374] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 231.955684][ T5374] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 231.963704][ T5374] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 231.971738][ T5374]
[ 231.981244][ T5374] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.995038][ T5374] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.379474][ T5376] loop1: detected capacity change from 0 to 32768
[ 232.448086][ T5376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.455529][ T5376] CPU: 1 PID: 5376 Comm: syz.1.152 Not tainted syzkaller #0
[ 232.462974][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 232.473274][ T5376] Call Trace:
[ 232.476607][ T5376]
[ 232.479584][ T5376] dump_stack_lvl+0x188/0x250
[ 232.484313][ T5376] ? show_regs_print_info+0x20/0x20
[ 232.489749][ T5376] ? load_image+0x400/0x400
[ 232.494322][ T5376] sysfs_create_dir_ns+0x26a/0x290
[ 232.499488][ T5376] ? sysfs_warn_dup+0xa0/0xa0
[ 232.504216][ T5376] ? do_raw_spin_unlock+0x11d/0x230
[ 232.509474][ T5376] kobject_add_internal+0x6e0/0xd90
[ 232.514733][ T5376] kobject_init_and_add+0x128/0x190
[ 232.519996][ T5376] ? lockdep_softirqs_off+0x430/0x430
[ 232.525537][ T5376] ? kobject_add+0x230/0x230
[ 232.530190][ T5376] ? __init_swait_queue_head+0xa5/0x150
[ 232.535913][ T5376] gfs2_sys_fs_add+0x24f/0x4b0
[ 232.540735][ T5376] ? gfs2_recover_set+0x240/0x240
[ 232.545814][ T5376] ? snprintf+0xe5/0x140
[ 232.550185][ T5376] ? __free_pages+0x95/0x1a0
[ 232.554825][ T5376] ? vscnprintf+0x80/0x80
[ 232.559207][ T5376] gfs2_fill_super+0x120f/0x1f00
[ 232.564205][ T5376] ? gfs2_reconfigure+0xd30/0xd30
[ 232.569507][ T5376] ? sb_set_blocksize+0xa5/0xe0
[ 232.574495][ T5376] get_tree_bdev+0x3f1/0x610
[ 232.579243][ T5376] ? gfs2_reconfigure+0xd30/0xd30
[ 232.584328][ T5376] gfs2_get_tree+0x4d/0x1e0
[ 232.588902][ T5376] vfs_get_tree+0x88/0x270
[ 232.593375][ T5376] do_new_mount+0x24a/0xa40
[ 232.597930][ T5376] __se_sys_mount+0x2e3/0x3d0
[ 232.602661][ T5376] ? __x64_sys_mount+0xc0/0xc0
[ 232.607512][ T5376] ? lockdep_hardirqs_on+0x94/0x140
[ 232.612754][ T5376] ? __x64_sys_mount+0x1c/0xc0
[ 232.617569][ T5376] do_syscall_64+0x4c/0xa0
[ 232.622258][ T5376] ? clear_bhb_loop+0x30/0x80
[ 232.626988][ T5376] ? clear_bhb_loop+0x30/0x80
[ 232.631806][ T5376] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.637749][ T5376] RIP: 0033:0x7f9111f4590a
[ 232.642207][ T5376] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 232.661857][ T5376] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.670409][ T5376] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 232.678428][ T5376] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 232.686527][ T5376] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 232.694802][ T5376] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 232.702904][ T5376] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 232.710940][ T5376]
[ 232.716362][ T5376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.730134][ T5376] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.156513][ T5378] loop1: detected capacity change from 0 to 32768
[ 233.171559][ T5378] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.188242][ T5378] CPU: 0 PID: 5378 Comm: syz.1.153 Not tainted syzkaller #0
[ 233.195641][ T5378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 233.205747][ T5378] Call Trace:
[ 233.209063][ T5378]
[ 233.212036][ T5378] dump_stack_lvl+0x188/0x250
[ 233.216770][ T5378] ? show_regs_print_info+0x20/0x20
[ 233.222023][ T5378] ? load_image+0x400/0x400
[ 233.226601][ T5378] sysfs_create_dir_ns+0x26a/0x290
[ 233.231777][ T5378] ? sysfs_warn_dup+0xa0/0xa0
[ 233.236664][ T5378] ? do_raw_spin_unlock+0x11d/0x230
[ 233.241916][ T5378] kobject_add_internal+0x6e0/0xd90
[ 233.247186][ T5378] kobject_init_and_add+0x128/0x190
[ 233.252535][ T5378] ? lockdep_softirqs_off+0x430/0x430
[ 233.258239][ T5378] ? kobject_add+0x230/0x230
[ 233.262994][ T5378] ? __init_swait_queue_head+0xa5/0x150
[ 233.268601][ T5378] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.273419][ T5378] ? gfs2_recover_set+0x240/0x240
[ 233.278499][ T5378] ? snprintf+0xe5/0x140
[ 233.282775][ T5378] ? __free_pages+0x95/0x1a0
[ 233.287406][ T5378] ? vscnprintf+0x80/0x80
[ 233.291888][ T5378] gfs2_fill_super+0x120f/0x1f00
[ 233.296969][ T5378] ? gfs2_reconfigure+0xd30/0xd30
[ 233.302151][ T5378] ? sb_set_blocksize+0xa5/0xe0
[ 233.307314][ T5378] get_tree_bdev+0x3f1/0x610
[ 233.311950][ T5378] ? gfs2_reconfigure+0xd30/0xd30
[ 233.317017][ T5378] gfs2_get_tree+0x4d/0x1e0
[ 233.321577][ T5378] vfs_get_tree+0x88/0x270
[ 233.326140][ T5378] do_new_mount+0x24a/0xa40
[ 233.330802][ T5378] __se_sys_mount+0x2e3/0x3d0
[ 233.335538][ T5378] ? __x64_sys_mount+0xc0/0xc0
[ 233.340443][ T5378] ? lockdep_hardirqs_on+0x94/0x140
[ 233.345738][ T5378] ? __x64_sys_mount+0x1c/0xc0
[ 233.350554][ T5378] do_syscall_64+0x4c/0xa0
[ 233.355011][ T5378] ? clear_bhb_loop+0x30/0x80
[ 233.359725][ T5378] ? clear_bhb_loop+0x30/0x80
[ 233.364448][ T5378] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.370388][ T5378] RIP: 0033:0x7f9111f4590a
[ 233.374846][ T5378] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 233.394490][ T5378] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.402954][ T5378] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 233.411065][ T5378] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 233.419077][ T5378] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 233.427093][ T5378] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 233.435226][ T5378] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 233.443448][ T5378]
[ 233.454175][ T5378] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.468824][ T5378] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:57:41 executed programs: 139
[ 233.736867][ T5382] loop1: detected capacity change from 0 to 32768
[ 233.788070][ T5382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.795505][ T5382] CPU: 1 PID: 5382 Comm: syz.1.154 Not tainted syzkaller #0
[ 233.802982][ T5382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 233.813088][ T5382] Call Trace:
[ 233.816409][ T5382]
[ 233.819384][ T5382] dump_stack_lvl+0x188/0x250
[ 233.824151][ T5382] ? show_regs_print_info+0x20/0x20
[ 233.829477][ T5382] ? load_image+0x400/0x400
[ 233.834044][ T5382] sysfs_create_dir_ns+0x26a/0x290
[ 233.839314][ T5382] ? sysfs_warn_dup+0xa0/0xa0
[ 233.844039][ T5382] ? do_raw_spin_unlock+0x11d/0x230
[ 233.849293][ T5382] kobject_add_internal+0x6e0/0xd90
[ 233.854660][ T5382] kobject_init_and_add+0x128/0x190
[ 233.859905][ T5382] ? lockdep_softirqs_off+0x430/0x430
[ 233.865333][ T5382] ? kobject_add+0x230/0x230
[ 233.869991][ T5382] ? __init_swait_queue_head+0xa5/0x150
[ 233.875597][ T5382] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.880526][ T5382] ? gfs2_recover_set+0x240/0x240
[ 233.885600][ T5382] ? snprintf+0xe5/0x140
[ 233.889888][ T5382] ? __free_pages+0x95/0x1a0
[ 233.894539][ T5382] ? vscnprintf+0x80/0x80
[ 233.898938][ T5382] gfs2_fill_super+0x120f/0x1f00
[ 233.903950][ T5382] ? gfs2_reconfigure+0xd30/0xd30
[ 233.909121][ T5382] ? sb_set_blocksize+0xa5/0xe0
[ 233.914022][ T5382] get_tree_bdev+0x3f1/0x610
[ 233.918755][ T5382] ? gfs2_reconfigure+0xd30/0xd30
[ 233.923826][ T5382] gfs2_get_tree+0x4d/0x1e0
[ 233.928376][ T5382] vfs_get_tree+0x88/0x270
[ 233.932884][ T5382] do_new_mount+0x24a/0xa40
[ 233.937446][ T5382] __se_sys_mount+0x2e3/0x3d0
[ 233.942331][ T5382] ? __x64_sys_mount+0xc0/0xc0
[ 233.947154][ T5382] ? lockdep_hardirqs_on+0x94/0x140
[ 233.952407][ T5382] ? __x64_sys_mount+0x1c/0xc0
[ 233.957221][ T5382] do_syscall_64+0x4c/0xa0
[ 233.961676][ T5382] ? clear_bhb_loop+0x30/0x80
[ 233.966393][ T5382] ? clear_bhb_loop+0x30/0x80
[ 233.971112][ T5382] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.977081][ T5382] RIP: 0033:0x7f9111f4590a
[ 233.981638][ T5382] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 234.001290][ T5382] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.010189][ T5382] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 234.018212][ T5382] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 234.026236][ T5382] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 234.034562][ T5382] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 234.042591][ T5382] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 234.050635][ T5382]
[ 234.057543][ T5382] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.070841][ T5382] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.374818][ T5384] loop1: detected capacity change from 0 to 32768
[ 234.439205][ T5384] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.447722][ T5384] CPU: 0 PID: 5384 Comm: syz.1.155 Not tainted syzkaller #0
[ 234.455440][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 234.465535][ T5384] Call Trace:
[ 234.468856][ T5384]
[ 234.471924][ T5384] dump_stack_lvl+0x188/0x250
[ 234.476831][ T5384] ? show_regs_print_info+0x20/0x20
[ 234.482085][ T5384] ? load_image+0x400/0x400
[ 234.486647][ T5384] sysfs_create_dir_ns+0x26a/0x290
[ 234.491895][ T5384] ? sysfs_warn_dup+0xa0/0xa0
[ 234.496623][ T5384] ? do_raw_spin_unlock+0x11d/0x230
[ 234.501871][ T5384] kobject_add_internal+0x6e0/0xd90
[ 234.507122][ T5384] kobject_init_and_add+0x128/0x190
[ 234.512370][ T5384] ? lockdep_softirqs_off+0x430/0x430
[ 234.517800][ T5384] ? kobject_add+0x230/0x230
[ 234.522438][ T5384] ? __init_swait_queue_head+0xa5/0x150
[ 234.528036][ T5384] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.533027][ T5384] ? gfs2_recover_set+0x240/0x240
[ 234.538188][ T5384] ? snprintf+0xe5/0x140
[ 234.542568][ T5384] ? __free_pages+0x95/0x1a0
[ 234.547216][ T5384] ? vscnprintf+0x80/0x80
[ 234.551612][ T5384] gfs2_fill_super+0x120f/0x1f00
[ 234.556605][ T5384] ? gfs2_reconfigure+0xd30/0xd30
[ 234.561686][ T5384] ? sb_set_blocksize+0xa5/0xe0
[ 234.566585][ T5384] get_tree_bdev+0x3f1/0x610
[ 234.571223][ T5384] ? gfs2_reconfigure+0xd30/0xd30
[ 234.576287][ T5384] gfs2_get_tree+0x4d/0x1e0
[ 234.580844][ T5384] vfs_get_tree+0x88/0x270
[ 234.585303][ T5384] do_new_mount+0x24a/0xa40
[ 234.589855][ T5384] __se_sys_mount+0x2e3/0x3d0
[ 234.594587][ T5384] ? __x64_sys_mount+0xc0/0xc0
[ 234.599572][ T5384] ? lockdep_hardirqs_on+0x94/0x140
[ 234.604814][ T5384] ? __x64_sys_mount+0x1c/0xc0
[ 234.609623][ T5384] do_syscall_64+0x4c/0xa0
[ 234.614194][ T5384] ? clear_bhb_loop+0x30/0x80
[ 234.619002][ T5384] ? clear_bhb_loop+0x30/0x80
[ 234.623730][ T5384] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.629760][ T5384] RIP: 0033:0x7f9111f4590a
[ 234.634215][ T5384] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 234.653871][ T5384] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.662428][ T5384] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 234.670532][ T5384] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 234.678551][ T5384] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 234.686572][ T5384] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 234.694587][ T5384] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 234.702619][ T5384]
[ 234.708516][ T5384] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.722006][ T5384] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.015355][ T5388] loop1: detected capacity change from 0 to 32768
[ 235.088040][ T5388] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.095512][ T5388] CPU: 0 PID: 5388 Comm: syz.1.156 Not tainted syzkaller #0
[ 235.103154][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 235.113342][ T5388] Call Trace:
[ 235.116854][ T5388]
[ 235.119831][ T5388] dump_stack_lvl+0x188/0x250
[ 235.124647][ T5388] ? show_regs_print_info+0x20/0x20
[ 235.130028][ T5388] ? load_image+0x400/0x400
[ 235.134598][ T5388] sysfs_create_dir_ns+0x26a/0x290
[ 235.139769][ T5388] ? sysfs_warn_dup+0xa0/0xa0
[ 235.144690][ T5388] ? do_raw_spin_unlock+0x11d/0x230
[ 235.149963][ T5388] kobject_add_internal+0x6e0/0xd90
[ 235.155246][ T5388] kobject_init_and_add+0x128/0x190
[ 235.160584][ T5388] ? lockdep_softirqs_off+0x430/0x430
[ 235.166125][ T5388] ? kobject_add+0x230/0x230
[ 235.170784][ T5388] ? __init_swait_queue_head+0xa5/0x150
[ 235.176389][ T5388] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.181212][ T5388] ? gfs2_recover_set+0x240/0x240
[ 235.186278][ T5388] ? snprintf+0xe5/0x140
[ 235.190563][ T5388] ? __free_pages+0x95/0x1a0
[ 235.195209][ T5388] ? vscnprintf+0x80/0x80
[ 235.199596][ T5388] gfs2_fill_super+0x120f/0x1f00
[ 235.204592][ T5388] ? gfs2_reconfigure+0xd30/0xd30
[ 235.209674][ T5388] ? sb_set_blocksize+0xa5/0xe0
[ 235.214572][ T5388] get_tree_bdev+0x3f1/0x610
[ 235.219213][ T5388] ? gfs2_reconfigure+0xd30/0xd30
[ 235.224290][ T5388] gfs2_get_tree+0x4d/0x1e0
[ 235.228935][ T5388] vfs_get_tree+0x88/0x270
[ 235.233575][ T5388] do_new_mount+0x24a/0xa40
[ 235.238130][ T5388] __se_sys_mount+0x2e3/0x3d0
[ 235.242857][ T5388] ? __x64_sys_mount+0xc0/0xc0
[ 235.247670][ T5388] ? lockdep_hardirqs_on+0x94/0x140
[ 235.253006][ T5388] ? __x64_sys_mount+0x1c/0xc0
[ 235.258180][ T5388] do_syscall_64+0x4c/0xa0
[ 235.262734][ T5388] ? clear_bhb_loop+0x30/0x80
[ 235.267655][ T5388] ? clear_bhb_loop+0x30/0x80
[ 235.272372][ T5388] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.278312][ T5388] RIP: 0033:0x7f9111f4590a
[ 235.282938][ T5388] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 235.302585][ T5388] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.311133][ T5388] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 235.319151][ T5388] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 235.327175][ T5388] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 235.335187][ T5388] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 235.343286][ T5388] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 235.351462][ T5388]
[ 235.362471][ T5388] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.380739][ T5388] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.656558][ T5392] loop1: detected capacity change from 0 to 32768
[ 235.708079][ T5392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.715615][ T5392] CPU: 0 PID: 5392 Comm: syz.1.157 Not tainted syzkaller #0
[ 235.722943][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 235.733230][ T5392] Call Trace:
[ 235.736546][ T5392]
[ 235.739517][ T5392] dump_stack_lvl+0x188/0x250
[ 235.744287][ T5392] ? show_regs_print_info+0x20/0x20
[ 235.749538][ T5392] ? load_image+0x400/0x400
[ 235.754123][ T5392] sysfs_create_dir_ns+0x26a/0x290
[ 235.759299][ T5392] ? sysfs_warn_dup+0xa0/0xa0
[ 235.764032][ T5392] ? do_raw_spin_unlock+0x11d/0x230
[ 235.769278][ T5392] kobject_add_internal+0x6e0/0xd90
[ 235.774527][ T5392] kobject_init_and_add+0x128/0x190
[ 235.779762][ T5392] ? lockdep_softirqs_off+0x430/0x430
[ 235.785186][ T5392] ? kobject_add+0x230/0x230
[ 235.789831][ T5392] ? __init_swait_queue_head+0xa5/0x150
[ 235.795439][ T5392] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.800283][ T5392] ? gfs2_recover_set+0x240/0x240
[ 235.805378][ T5392] ? snprintf+0xe5/0x140
[ 235.809678][ T5392] ? __free_pages+0x95/0x1a0
[ 235.814326][ T5392] ? vscnprintf+0x80/0x80
[ 235.818729][ T5392] gfs2_fill_super+0x120f/0x1f00
[ 235.823742][ T5392] ? gfs2_reconfigure+0xd30/0xd30
[ 235.828837][ T5392] ? sb_set_blocksize+0xa5/0xe0
[ 235.833746][ T5392] get_tree_bdev+0x3f1/0x610
[ 235.838401][ T5392] ? gfs2_reconfigure+0xd30/0xd30
[ 235.843487][ T5392] gfs2_get_tree+0x4d/0x1e0
[ 235.848062][ T5392] vfs_get_tree+0x88/0x270
[ 235.852534][ T5392] do_new_mount+0x24a/0xa40
[ 235.857100][ T5392] __se_sys_mount+0x2e3/0x3d0
[ 235.861840][ T5392] ? __x64_sys_mount+0xc0/0xc0
[ 235.866662][ T5392] ? lockdep_hardirqs_on+0x94/0x140
[ 235.871912][ T5392] ? __x64_sys_mount+0x1c/0xc0
[ 235.876728][ T5392] do_syscall_64+0x4c/0xa0
[ 235.881194][ T5392] ? clear_bhb_loop+0x30/0x80
[ 235.885929][ T5392] ? clear_bhb_loop+0x30/0x80
[ 235.890665][ T5392] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.896609][ T5392] RIP: 0033:0x7f9111f4590a
[ 235.901075][ T5392] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 235.920730][ T5392] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.929215][ T5392] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 235.937241][ T5392] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 235.945474][ T5392] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 235.953483][ T5392] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 235.961673][ T5392] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 235.969705][ T5392]
[ 235.975101][ T5392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.988485][ T5392] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.274094][ T5394] loop1: detected capacity change from 0 to 32768
[ 236.328021][ T5394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.336233][ T5394] CPU: 0 PID: 5394 Comm: syz.1.158 Not tainted syzkaller #0
[ 236.343921][ T5394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 236.354107][ T5394] Call Trace:
[ 236.357428][ T5394]
[ 236.360399][ T5394] dump_stack_lvl+0x188/0x250
[ 236.365133][ T5394] ? show_regs_print_info+0x20/0x20
[ 236.370472][ T5394] ? load_image+0x400/0x400
[ 236.375074][ T5394] sysfs_create_dir_ns+0x26a/0x290
[ 236.380374][ T5394] ? sysfs_warn_dup+0xa0/0xa0
[ 236.385110][ T5394] ? do_raw_spin_unlock+0x11d/0x230
[ 236.390454][ T5394] kobject_add_internal+0x6e0/0xd90
[ 236.395712][ T5394] kobject_init_and_add+0x128/0x190
[ 236.400960][ T5394] ? lockdep_softirqs_off+0x430/0x430
[ 236.406393][ T5394] ? kobject_add+0x230/0x230
[ 236.411040][ T5394] ? __init_swait_queue_head+0xa5/0x150
[ 236.416643][ T5394] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.421459][ T5394] ? gfs2_recover_set+0x240/0x240
[ 236.426610][ T5394] ? snprintf+0xe5/0x140
[ 236.430990][ T5394] ? __free_pages+0x95/0x1a0
[ 236.435651][ T5394] ? vscnprintf+0x80/0x80
[ 236.440217][ T5394] gfs2_fill_super+0x120f/0x1f00
[ 236.445212][ T5394] ? gfs2_reconfigure+0xd30/0xd30
[ 236.450307][ T5394] ? sb_set_blocksize+0xa5/0xe0
[ 236.455197][ T5394] get_tree_bdev+0x3f1/0x610
[ 236.459834][ T5394] ? gfs2_reconfigure+0xd30/0xd30
[ 236.464908][ T5394] gfs2_get_tree+0x4d/0x1e0
[ 236.469461][ T5394] vfs_get_tree+0x88/0x270
[ 236.473930][ T5394] do_new_mount+0x24a/0xa40
[ 236.478488][ T5394] __se_sys_mount+0x2e3/0x3d0
[ 236.483330][ T5394] ? __x64_sys_mount+0xc0/0xc0
[ 236.488147][ T5394] ? lockdep_hardirqs_on+0x94/0x140
[ 236.493413][ T5394] ? __x64_sys_mount+0x1c/0xc0
[ 236.498319][ T5394] do_syscall_64+0x4c/0xa0
[ 236.502956][ T5394] ? clear_bhb_loop+0x30/0x80
[ 236.507683][ T5394] ? clear_bhb_loop+0x30/0x80
[ 236.512436][ T5394] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.518380][ T5394] RIP: 0033:0x7f9111f4590a
[ 236.522836][ T5394] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 236.542834][ T5394] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.551303][ T5394] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 236.559322][ T5394] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 236.567342][ T5394] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 236.575357][ T5394] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 236.583541][ T5394] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 236.591744][ T5394]
[ 236.597175][ T5394] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.610797][ T5394] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.912657][ T5396] loop1: detected capacity change from 0 to 32768
[ 236.934936][ T5396] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.943265][ T5396] CPU: 1 PID: 5396 Comm: syz.1.159 Not tainted syzkaller #0
[ 236.950606][ T5396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 236.960718][ T5396] Call Trace:
[ 236.964039][ T5396]
[ 236.967018][ T5396] dump_stack_lvl+0x188/0x250
[ 236.971844][ T5396] ? show_regs_print_info+0x20/0x20
[ 236.977192][ T5396] ? load_image+0x400/0x400
[ 236.981760][ T5396] sysfs_create_dir_ns+0x26a/0x290
[ 236.986939][ T5396] ? sysfs_warn_dup+0xa0/0xa0
[ 236.991670][ T5396] ? do_raw_spin_unlock+0x11d/0x230
[ 236.996927][ T5396] kobject_add_internal+0x6e0/0xd90
[ 237.002186][ T5396] kobject_init_and_add+0x128/0x190
[ 237.007433][ T5396] ? lockdep_softirqs_off+0x430/0x430
[ 237.012862][ T5396] ? kobject_add+0x230/0x230
[ 237.017685][ T5396] ? __init_swait_queue_head+0xa5/0x150
[ 237.023290][ T5396] gfs2_sys_fs_add+0x24f/0x4b0
[ 237.028101][ T5396] ? gfs2_recover_set+0x240/0x240
[ 237.033176][ T5396] ? snprintf+0xe5/0x140
[ 237.037453][ T5396] ? __free_pages+0x95/0x1a0
[ 237.042172][ T5396] ? vscnprintf+0x80/0x80
[ 237.046553][ T5396] gfs2_fill_super+0x120f/0x1f00
[ 237.051588][ T5396] ? gfs2_reconfigure+0xd30/0xd30
[ 237.056678][ T5396] ? sb_set_blocksize+0xa5/0xe0
[ 237.061578][ T5396] get_tree_bdev+0x3f1/0x610
[ 237.066218][ T5396] ? gfs2_reconfigure+0xd30/0xd30
[ 237.071290][ T5396] gfs2_get_tree+0x4d/0x1e0
[ 237.075844][ T5396] vfs_get_tree+0x88/0x270
[ 237.080327][ T5396] do_new_mount+0x24a/0xa40
[ 237.084884][ T5396] __se_sys_mount+0x2e3/0x3d0
[ 237.089621][ T5396] ? __x64_sys_mount+0xc0/0xc0
[ 237.094434][ T5396] ? lockdep_hardirqs_on+0x94/0x140
[ 237.099687][ T5396] ? __x64_sys_mount+0x1c/0xc0
[ 237.104728][ T5396] do_syscall_64+0x4c/0xa0
[ 237.109188][ T5396] ? clear_bhb_loop+0x30/0x80
[ 237.113904][ T5396] ? clear_bhb_loop+0x30/0x80
[ 237.118631][ T5396] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.124744][ T5396] RIP: 0033:0x7f9111f4590a
[ 237.129337][ T5396] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 237.149087][ T5396] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.157562][ T5396] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 237.165580][ T5396] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 237.173602][ T5396] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 237.182080][ T5396] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 237.190425][ T5396] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 237.198469][ T5396]
[ 237.206617][ T5396] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.220457][ T5396] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.599016][ T5398] loop1: detected capacity change from 0 to 32768
[ 237.652394][ T5398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.661881][ T5398] CPU: 1 PID: 5398 Comm: syz.1.160 Not tainted syzkaller #0
[ 237.669232][ T5398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 237.679418][ T5398] Call Trace:
[ 237.682742][ T5398]
[ 237.685703][ T5398] dump_stack_lvl+0x188/0x250
[ 237.690427][ T5398] ? show_regs_print_info+0x20/0x20
[ 237.695682][ T5398] ? load_image+0x400/0x400
[ 237.700244][ T5398] sysfs_create_dir_ns+0x26a/0x290
[ 237.705406][ T5398] ? sysfs_warn_dup+0xa0/0xa0
[ 237.710133][ T5398] ? do_raw_spin_unlock+0x11d/0x230
[ 237.715392][ T5398] kobject_add_internal+0x6e0/0xd90
[ 237.720783][ T5398] kobject_init_and_add+0x128/0x190
[ 237.726030][ T5398] ? lockdep_softirqs_off+0x430/0x430
[ 237.731553][ T5398] ? kobject_add+0x230/0x230
[ 237.736298][ T5398] ? __init_swait_queue_head+0xa5/0x150
[ 237.741912][ T5398] gfs2_sys_fs_add+0x24f/0x4b0
[ 237.746730][ T5398] ? gfs2_recover_set+0x240/0x240
[ 237.751984][ T5398] ? snprintf+0xe5/0x140
[ 237.756281][ T5398] ? __free_pages+0x95/0x1a0
[ 237.761099][ T5398] ? vscnprintf+0x80/0x80
[ 237.765485][ T5398] gfs2_fill_super+0x120f/0x1f00
[ 237.770490][ T5398] ? gfs2_reconfigure+0xd30/0xd30
[ 237.775575][ T5398] ? sb_set_blocksize+0xa5/0xe0
[ 237.780472][ T5398] get_tree_bdev+0x3f1/0x610
[ 237.785126][ T5398] ? gfs2_reconfigure+0xd30/0xd30
[ 237.790211][ T5398] gfs2_get_tree+0x4d/0x1e0
[ 237.794760][ T5398] vfs_get_tree+0x88/0x270
[ 237.799333][ T5398] do_new_mount+0x24a/0xa40
[ 237.803892][ T5398] __se_sys_mount+0x2e3/0x3d0
[ 237.808621][ T5398] ? __x64_sys_mount+0xc0/0xc0
[ 237.813437][ T5398] ? lockdep_hardirqs_on+0x94/0x140
[ 237.818698][ T5398] ? __x64_sys_mount+0x1c/0xc0
[ 237.823518][ T5398] do_syscall_64+0x4c/0xa0
[ 237.827981][ T5398] ? clear_bhb_loop+0x30/0x80
[ 237.832809][ T5398] ? clear_bhb_loop+0x30/0x80
[ 237.837546][ T5398] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.843677][ T5398] RIP: 0033:0x7f9111f4590a
[ 237.848143][ T5398] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 237.867900][ T5398] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.876625][ T5398] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 237.884644][ T5398] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 237.892806][ T5398] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 237.900827][ T5398] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 237.908842][ T5398] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 237.916880][ T5398]
[ 237.924989][ T5398] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.939256][ T5398] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.243744][ T5400] loop1: detected capacity change from 0 to 32768
[ 238.254926][ T5400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.263578][ T5400] CPU: 1 PID: 5400 Comm: syz.1.161 Not tainted syzkaller #0
[ 238.270927][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 238.281239][ T5400] Call Trace:
[ 238.284591][ T5400]
[ 238.287562][ T5400] dump_stack_lvl+0x188/0x250
[ 238.292286][ T5400] ? show_regs_print_info+0x20/0x20
[ 238.297531][ T5400] ? load_image+0x400/0x400
[ 238.302089][ T5400] sysfs_create_dir_ns+0x26a/0x290
[ 238.307255][ T5400] ? sysfs_warn_dup+0xa0/0xa0
[ 238.311972][ T5400] ? do_raw_spin_unlock+0x11d/0x230
[ 238.317487][ T5400] kobject_add_internal+0x6e0/0xd90
[ 238.322750][ T5400] kobject_init_and_add+0x128/0x190
[ 238.327993][ T5400] ? lockdep_softirqs_off+0x430/0x430
[ 238.333420][ T5400] ? kobject_add+0x230/0x230
[ 238.338068][ T5400] ? __init_swait_queue_head+0xa5/0x150
[ 238.343677][ T5400] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.348603][ T5400] ? gfs2_recover_set+0x240/0x240
[ 238.353754][ T5400] ? snprintf+0xe5/0x140
[ 238.358027][ T5400] ? __free_pages+0x95/0x1a0
[ 238.362655][ T5400] ? vscnprintf+0x80/0x80
[ 238.367030][ T5400] gfs2_fill_super+0x120f/0x1f00
[ 238.372019][ T5400] ? gfs2_reconfigure+0xd30/0xd30
[ 238.377099][ T5400] ? sb_set_blocksize+0xa5/0xe0
[ 238.381985][ T5400] get_tree_bdev+0x3f1/0x610
[ 238.386621][ T5400] ? gfs2_reconfigure+0xd30/0xd30
[ 238.391686][ T5400] gfs2_get_tree+0x4d/0x1e0
[ 238.396321][ T5400] vfs_get_tree+0x88/0x270
[ 238.400866][ T5400] do_new_mount+0x24a/0xa40
[ 238.405412][ T5400] __se_sys_mount+0x2e3/0x3d0
[ 238.410104][ T5400] ? __x64_sys_mount+0xc0/0xc0
[ 238.414880][ T5400] ? lockdep_hardirqs_on+0x94/0x140
[ 238.420266][ T5400] ? __x64_sys_mount+0x1c/0xc0
[ 238.425047][ T5400] do_syscall_64+0x4c/0xa0
[ 238.429478][ T5400] ? clear_bhb_loop+0x30/0x80
[ 238.434257][ T5400] ? clear_bhb_loop+0x30/0x80
[ 238.438950][ T5400] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.444857][ T5400] RIP: 0033:0x7f9111f4590a
[ 238.449292][ T5400] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 238.468913][ T5400] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.477460][ T5400] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 238.485446][ T5400] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 238.493436][ T5400] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 238.501422][ T5400] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 238.509393][ T5400] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 238.517385][ T5400]
[ 238.528860][ T5400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.542121][ T5400] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:57:47 executed programs: 147
[ 238.926994][ T5402] loop1: detected capacity change from 0 to 32768
[ 238.978815][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.986281][ T5402] CPU: 1 PID: 5402 Comm: syz.1.162 Not tainted syzkaller #0
[ 238.993614][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 239.003710][ T5402] Call Trace:
[ 239.007030][ T5402]
[ 239.010006][ T5402] dump_stack_lvl+0x188/0x250
[ 239.014745][ T5402] ? show_regs_print_info+0x20/0x20
[ 239.020081][ T5402] ? load_image+0x400/0x400
[ 239.024641][ T5402] sysfs_create_dir_ns+0x26a/0x290
[ 239.029804][ T5402] ? sysfs_warn_dup+0xa0/0xa0
[ 239.034533][ T5402] ? do_raw_spin_unlock+0x11d/0x230
[ 239.039804][ T5402] kobject_add_internal+0x6e0/0xd90
[ 239.045056][ T5402] kobject_init_and_add+0x128/0x190
[ 239.050291][ T5402] ? lockdep_softirqs_off+0x430/0x430
[ 239.055720][ T5402] ? kobject_add+0x230/0x230
[ 239.060506][ T5402] ? __init_swait_queue_head+0xa5/0x150
[ 239.066128][ T5402] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.071038][ T5402] ? gfs2_recover_set+0x240/0x240
[ 239.076112][ T5402] ? snprintf+0xe5/0x140
[ 239.080395][ T5402] ? __free_pages+0x95/0x1a0
[ 239.085030][ T5402] ? vscnprintf+0x80/0x80
[ 239.089414][ T5402] gfs2_fill_super+0x120f/0x1f00
[ 239.094497][ T5402] ? gfs2_reconfigure+0xd30/0xd30
[ 239.099611][ T5402] ? sb_set_blocksize+0xa5/0xe0
[ 239.104518][ T5402] get_tree_bdev+0x3f1/0x610
[ 239.109156][ T5402] ? gfs2_reconfigure+0xd30/0xd30
[ 239.114221][ T5402] gfs2_get_tree+0x4d/0x1e0
[ 239.118780][ T5402] vfs_get_tree+0x88/0x270
[ 239.123246][ T5402] do_new_mount+0x24a/0xa40
[ 239.127815][ T5402] __se_sys_mount+0x2e3/0x3d0
[ 239.132556][ T5402] ? __x64_sys_mount+0xc0/0xc0
[ 239.137369][ T5402] ? lockdep_hardirqs_on+0x94/0x140
[ 239.142621][ T5402] ? __x64_sys_mount+0x1c/0xc0
[ 239.147436][ T5402] do_syscall_64+0x4c/0xa0
[ 239.151902][ T5402] ? clear_bhb_loop+0x30/0x80
[ 239.156624][ T5402] ? clear_bhb_loop+0x30/0x80
[ 239.161353][ T5402] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.167338][ T5402] RIP: 0033:0x7f9111f4590a
[ 239.171790][ T5402] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 239.191529][ T5402] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.200000][ T5402] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 239.208018][ T5402] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 239.216030][ T5402] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 239.224323][ T5402] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 239.232332][ T5402] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 239.240365][ T5402]
[ 239.247514][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.261250][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.562561][ T5404] loop1: detected capacity change from 0 to 32768
[ 239.625104][ T5404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.634726][ T5404] CPU: 0 PID: 5404 Comm: syz.1.163 Not tainted syzkaller #0
[ 239.642175][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 239.652271][ T5404] Call Trace:
[ 239.655592][ T5404]
[ 239.658560][ T5404] dump_stack_lvl+0x188/0x250
[ 239.663280][ T5404] ? show_regs_print_info+0x20/0x20
[ 239.668524][ T5404] ? load_image+0x400/0x400
[ 239.673342][ T5404] sysfs_create_dir_ns+0x26a/0x290
[ 239.678519][ T5404] ? sysfs_warn_dup+0xa0/0xa0
[ 239.683445][ T5404] ? do_raw_spin_unlock+0x11d/0x230
[ 239.688697][ T5404] kobject_add_internal+0x6e0/0xd90
[ 239.693965][ T5404] kobject_init_and_add+0x128/0x190
[ 239.699222][ T5404] ? lockdep_softirqs_off+0x430/0x430
[ 239.704677][ T5404] ? kobject_add+0x230/0x230
[ 239.709328][ T5404] ? __init_swait_queue_head+0xa5/0x150
[ 239.714933][ T5404] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.720010][ T5404] ? gfs2_recover_set+0x240/0x240
[ 239.725214][ T5404] ? snprintf+0xe5/0x140
[ 239.729504][ T5404] ? __free_pages+0x95/0x1a0
[ 239.734140][ T5404] ? vscnprintf+0x80/0x80
[ 239.738525][ T5404] gfs2_fill_super+0x120f/0x1f00
[ 239.743524][ T5404] ? gfs2_reconfigure+0xd30/0xd30
[ 239.748749][ T5404] ? sb_set_blocksize+0xa5/0xe0
[ 239.753744][ T5404] get_tree_bdev+0x3f1/0x610
[ 239.758404][ T5404] ? gfs2_reconfigure+0xd30/0xd30
[ 239.763635][ T5404] gfs2_get_tree+0x4d/0x1e0
[ 239.768291][ T5404] vfs_get_tree+0x88/0x270
[ 239.772752][ T5404] do_new_mount+0x24a/0xa40
[ 239.777401][ T5404] __se_sys_mount+0x2e3/0x3d0
[ 239.782211][ T5404] ? __x64_sys_mount+0xc0/0xc0
[ 239.787019][ T5404] ? lockdep_hardirqs_on+0x94/0x140
[ 239.792259][ T5404] ? __x64_sys_mount+0x1c/0xc0
[ 239.797070][ T5404] do_syscall_64+0x4c/0xa0
[ 239.801632][ T5404] ? clear_bhb_loop+0x30/0x80
[ 239.806362][ T5404] ? clear_bhb_loop+0x30/0x80
[ 239.811134][ T5404] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.817076][ T5404] RIP: 0033:0x7f9111f4590a
[ 239.821545][ T5404] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 239.841301][ T5404] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.849760][ T5404] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 239.857774][ T5404] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 239.865787][ T5404] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 239.873808][ T5404] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 239.881822][ T5404] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 239.889875][ T5404]
[ 239.899157][ T5404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.912514][ T5404] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.193899][ T5406] loop1: detected capacity change from 0 to 32768
[ 240.270225][ T5406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.280266][ T5406] CPU: 1 PID: 5406 Comm: syz.1.164 Not tainted syzkaller #0
[ 240.287640][ T5406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 240.298092][ T5406] Call Trace:
[ 240.301410][ T5406]
[ 240.304378][ T5406] dump_stack_lvl+0x188/0x250
[ 240.309118][ T5406] ? show_regs_print_info+0x20/0x20
[ 240.314364][ T5406] ? load_image+0x400/0x400
[ 240.318974][ T5406] sysfs_create_dir_ns+0x26a/0x290
[ 240.324148][ T5406] ? sysfs_warn_dup+0xa0/0xa0
[ 240.328884][ T5406] ? do_raw_spin_unlock+0x11d/0x230
[ 240.334148][ T5406] kobject_add_internal+0x6e0/0xd90
[ 240.339424][ T5406] kobject_init_and_add+0x128/0x190
[ 240.344687][ T5406] ? lockdep_softirqs_off+0x430/0x430
[ 240.350181][ T5406] ? kobject_add+0x230/0x230
[ 240.354830][ T5406] ? __init_swait_queue_head+0xa5/0x150
[ 240.360441][ T5406] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.365263][ T5406] ? gfs2_recover_set+0x240/0x240
[ 240.370428][ T5406] ? snprintf+0xe5/0x140
[ 240.374728][ T5406] ? __free_pages+0x95/0x1a0
[ 240.379375][ T5406] ? vscnprintf+0x80/0x80
[ 240.383775][ T5406] gfs2_fill_super+0x120f/0x1f00
[ 240.388815][ T5406] ? gfs2_reconfigure+0xd30/0xd30
[ 240.393900][ T5406] ? sb_set_blocksize+0xa5/0xe0
[ 240.398786][ T5406] get_tree_bdev+0x3f1/0x610
[ 240.403419][ T5406] ? gfs2_reconfigure+0xd30/0xd30
[ 240.408488][ T5406] gfs2_get_tree+0x4d/0x1e0
[ 240.413030][ T5406] vfs_get_tree+0x88/0x270
[ 240.417486][ T5406] do_new_mount+0x24a/0xa40
[ 240.422135][ T5406] __se_sys_mount+0x2e3/0x3d0
[ 240.426854][ T5406] ? __x64_sys_mount+0xc0/0xc0
[ 240.431668][ T5406] ? lockdep_hardirqs_on+0x94/0x140
[ 240.436917][ T5406] ? __x64_sys_mount+0x1c/0xc0
[ 240.441730][ T5406] do_syscall_64+0x4c/0xa0
[ 240.446202][ T5406] ? clear_bhb_loop+0x30/0x80
[ 240.450921][ T5406] ? clear_bhb_loop+0x30/0x80
[ 240.455655][ T5406] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.461591][ T5406] RIP: 0033:0x7f9111f4590a
[ 240.466029][ T5406] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 240.485963][ T5406] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.494506][ T5406] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 240.502614][ T5406] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 240.510816][ T5406] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 240.518803][ T5406] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 240.526807][ T5406] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 240.534802][ T5406]
[ 240.541893][ T5406] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.555416][ T5406] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.961535][ T5408] loop1: detected capacity change from 0 to 32768
[ 241.023946][ T5408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.039925][ T5408] CPU: 0 PID: 5408 Comm: syz.1.165 Not tainted syzkaller #0
[ 241.047289][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 241.057388][ T5408] Call Trace:
[ 241.060703][ T5408]
[ 241.063673][ T5408] dump_stack_lvl+0x188/0x250
[ 241.068399][ T5408] ? show_regs_print_info+0x20/0x20
[ 241.073644][ T5408] ? load_image+0x400/0x400
[ 241.078295][ T5408] sysfs_create_dir_ns+0x26a/0x290
[ 241.083460][ T5408] ? sysfs_warn_dup+0xa0/0xa0
[ 241.088191][ T5408] ? do_raw_spin_unlock+0x11d/0x230
[ 241.093442][ T5408] kobject_add_internal+0x6e0/0xd90
[ 241.098778][ T5408] kobject_init_and_add+0x128/0x190
[ 241.104024][ T5408] ? lockdep_softirqs_off+0x430/0x430
[ 241.109447][ T5408] ? kobject_add+0x230/0x230
[ 241.114182][ T5408] ? __init_swait_queue_head+0xa5/0x150
[ 241.119787][ T5408] gfs2_sys_fs_add+0x24f/0x4b0
[ 241.124600][ T5408] ? gfs2_recover_set+0x240/0x240
[ 241.129665][ T5408] ? snprintf+0xe5/0x140
[ 241.133954][ T5408] ? __free_pages+0x95/0x1a0
[ 241.138594][ T5408] ? vscnprintf+0x80/0x80
[ 241.142979][ T5408] gfs2_fill_super+0x120f/0x1f00
[ 241.147989][ T5408] ? gfs2_reconfigure+0xd30/0xd30
[ 241.153076][ T5408] ? sb_set_blocksize+0xa5/0xe0
[ 241.157969][ T5408] get_tree_bdev+0x3f1/0x610
[ 241.162609][ T5408] ? gfs2_reconfigure+0xd30/0xd30
[ 241.167673][ T5408] gfs2_get_tree+0x4d/0x1e0
[ 241.172233][ T5408] vfs_get_tree+0x88/0x270
[ 241.176706][ T5408] do_new_mount+0x24a/0xa40
[ 241.181354][ T5408] __se_sys_mount+0x2e3/0x3d0
[ 241.186087][ T5408] ? __x64_sys_mount+0xc0/0xc0
[ 241.190928][ T5408] ? lockdep_hardirqs_on+0x94/0x140
[ 241.196172][ T5408] ? __x64_sys_mount+0x1c/0xc0
[ 241.201073][ T5408] do_syscall_64+0x4c/0xa0
[ 241.205531][ T5408] ? clear_bhb_loop+0x30/0x80
[ 241.210255][ T5408] ? clear_bhb_loop+0x30/0x80
[ 241.214972][ T5408] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.220981][ T5408] RIP: 0033:0x7f9111f4590a
[ 241.225440][ T5408] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 241.245153][ T5408] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.253624][ T5408] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 241.261641][ T5408] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 241.269655][ T5408] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 241.277665][ T5408] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 241.285679][ T5408] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 241.293808][ T5408]
[ 241.302069][ T5408] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.317133][ T5408] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.726625][ T5410] loop1: detected capacity change from 0 to 32768
[ 241.778138][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.785584][ T5410] CPU: 0 PID: 5410 Comm: syz.1.166 Not tainted syzkaller #0
[ 241.792910][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 241.803012][ T5410] Call Trace:
[ 241.806440][ T5410]
[ 241.809411][ T5410] dump_stack_lvl+0x188/0x250
[ 241.814282][ T5410] ? show_regs_print_info+0x20/0x20
[ 241.819536][ T5410] ? load_image+0x400/0x400
[ 241.824109][ T5410] sysfs_create_dir_ns+0x26a/0x290
[ 241.829284][ T5410] ? sysfs_warn_dup+0xa0/0xa0
[ 241.834013][ T5410] ? do_raw_spin_unlock+0x11d/0x230
[ 241.839270][ T5410] kobject_add_internal+0x6e0/0xd90
[ 241.844963][ T5410] kobject_init_and_add+0x128/0x190
[ 241.850221][ T5410] ? lockdep_softirqs_off+0x430/0x430
[ 241.855677][ T5410] ? kobject_add+0x230/0x230
[ 241.860333][ T5410] ? __init_swait_queue_head+0xa5/0x150
[ 241.865979][ T5410] gfs2_sys_fs_add+0x24f/0x4b0
[ 241.870806][ T5410] ? gfs2_recover_set+0x240/0x240
[ 241.875889][ T5410] ? snprintf+0xe5/0x140
[ 241.880181][ T5410] ? __free_pages+0x95/0x1a0
[ 241.885311][ T5410] ? vscnprintf+0x80/0x80
[ 241.889714][ T5410] gfs2_fill_super+0x120f/0x1f00
[ 241.894932][ T5410] ? gfs2_reconfigure+0xd30/0xd30
[ 241.900027][ T5410] ? sb_set_blocksize+0xa5/0xe0
[ 241.904939][ T5410] get_tree_bdev+0x3f1/0x610
[ 241.909584][ T5410] ? gfs2_reconfigure+0xd30/0xd30
[ 241.914778][ T5410] gfs2_get_tree+0x4d/0x1e0
[ 241.919339][ T5410] vfs_get_tree+0x88/0x270
[ 241.923842][ T5410] do_new_mount+0x24a/0xa40
[ 241.928399][ T5410] __se_sys_mount+0x2e3/0x3d0
[ 241.933120][ T5410] ? __x64_sys_mount+0xc0/0xc0
[ 241.937926][ T5410] ? lockdep_hardirqs_on+0x94/0x140
[ 241.943163][ T5410] ? __x64_sys_mount+0x1c/0xc0
[ 241.948070][ T5410] do_syscall_64+0x4c/0xa0
[ 241.952533][ T5410] ? clear_bhb_loop+0x30/0x80
[ 241.957301][ T5410] ? clear_bhb_loop+0x30/0x80
[ 241.962026][ T5410] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.967974][ T5410] RIP: 0033:0x7f9111f4590a
[ 241.972483][ T5410] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 241.992137][ T5410] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.000684][ T5410] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 242.008805][ T5410] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 242.016820][ T5410] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 242.024832][ T5410] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 242.032853][ T5410] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 242.041056][ T5410]
[ 242.049031][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.062376][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.378281][ T5412] loop1: detected capacity change from 0 to 32768
[ 242.427989][ T5412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.435434][ T5412] CPU: 1 PID: 5412 Comm: syz.1.167 Not tainted syzkaller #0
[ 242.442789][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 242.452884][ T5412] Call Trace:
[ 242.456233][ T5412]
[ 242.459201][ T5412] dump_stack_lvl+0x188/0x250
[ 242.463927][ T5412] ? show_regs_print_info+0x20/0x20
[ 242.469267][ T5412] ? load_image+0x400/0x400
[ 242.473837][ T5412] sysfs_create_dir_ns+0x26a/0x290
[ 242.478993][ T5412] ? sysfs_warn_dup+0xa0/0xa0
[ 242.483720][ T5412] ? do_raw_spin_unlock+0x11d/0x230
[ 242.488349][ T4255] Bluetooth: hci0: command 0x0406 tx timeout
[ 242.488968][ T5412] kobject_add_internal+0x6e0/0xd90
[ 242.500189][ T5412] kobject_init_and_add+0x128/0x190
[ 242.505436][ T5412] ? lockdep_softirqs_off+0x430/0x430
[ 242.510858][ T5412] ? kobject_add+0x230/0x230
[ 242.515502][ T5412] ? __init_swait_queue_head+0xa5/0x150
[ 242.521101][ T5412] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.525909][ T5412] ? gfs2_recover_set+0x240/0x240
[ 242.530987][ T5412] ? snprintf+0xe5/0x140
[ 242.535266][ T5412] ? __free_pages+0x95/0x1a0
[ 242.539906][ T5412] ? vscnprintf+0x80/0x80
[ 242.544289][ T5412] gfs2_fill_super+0x120f/0x1f00
[ 242.549276][ T5412] ? gfs2_reconfigure+0xd30/0xd30
[ 242.554365][ T5412] ? sb_set_blocksize+0xa5/0xe0
[ 242.559260][ T5412] get_tree_bdev+0x3f1/0x610
[ 242.563897][ T5412] ? gfs2_reconfigure+0xd30/0xd30
[ 242.568960][ T5412] gfs2_get_tree+0x4d/0x1e0
[ 242.573509][ T5412] vfs_get_tree+0x88/0x270
[ 242.577964][ T5412] do_new_mount+0x24a/0xa40
[ 242.582517][ T5412] __se_sys_mount+0x2e3/0x3d0
[ 242.587234][ T5412] ? __x64_sys_mount+0xc0/0xc0
[ 242.592046][ T5412] ? lockdep_hardirqs_on+0x94/0x140
[ 242.597281][ T5412] ? __x64_sys_mount+0x1c/0xc0
[ 242.602084][ T5412] do_syscall_64+0x4c/0xa0
[ 242.606620][ T5412] ? clear_bhb_loop+0x30/0x80
[ 242.611335][ T5412] ? clear_bhb_loop+0x30/0x80
[ 242.616051][ T5412] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.621979][ T5412] RIP: 0033:0x7f9111f4590a
[ 242.626434][ T5412] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 242.646192][ T5412] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.654656][ T5412] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 242.662680][ T5412] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 242.670699][ T5412] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 242.678796][ T5412] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 242.686803][ T5412] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 242.694821][ T5412]
[ 242.702282][ T5412] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.715562][ T5412] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.998712][ T5414] loop1: detected capacity change from 0 to 32768
[ 243.047549][ T5414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.055351][ T5414] CPU: 0 PID: 5414 Comm: syz.1.168 Not tainted syzkaller #0
[ 243.062707][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 243.072805][ T5414] Call Trace:
[ 243.076123][ T5414]
[ 243.079096][ T5414] dump_stack_lvl+0x188/0x250
[ 243.083821][ T5414] ? show_regs_print_info+0x20/0x20
[ 243.089067][ T5414] ? load_image+0x400/0x400
[ 243.093639][ T5414] sysfs_create_dir_ns+0x26a/0x290
[ 243.098807][ T5414] ? sysfs_warn_dup+0xa0/0xa0
[ 243.103547][ T5414] ? do_raw_spin_unlock+0x11d/0x230
[ 243.108787][ T5414] kobject_add_internal+0x6e0/0xd90
[ 243.114158][ T5414] kobject_init_and_add+0x128/0x190
[ 243.119403][ T5414] ? lockdep_softirqs_off+0x430/0x430
[ 243.124831][ T5414] ? kobject_add+0x230/0x230
[ 243.129469][ T5414] ? __init_swait_queue_head+0xa5/0x150
[ 243.135057][ T5414] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.140048][ T5414] ? gfs2_recover_set+0x240/0x240
[ 243.145119][ T5414] ? snprintf+0xe5/0x140
[ 243.149392][ T5414] ? __free_pages+0x95/0x1a0
[ 243.154020][ T5414] ? vscnprintf+0x80/0x80
[ 243.158424][ T5414] gfs2_fill_super+0x120f/0x1f00
[ 243.163418][ T5414] ? gfs2_reconfigure+0xd30/0xd30
[ 243.168495][ T5414] ? sb_set_blocksize+0xa5/0xe0
[ 243.173419][ T5414] get_tree_bdev+0x3f1/0x610
[ 243.178048][ T5414] ? gfs2_reconfigure+0xd30/0xd30
[ 243.183163][ T5414] gfs2_get_tree+0x4d/0x1e0
[ 243.187710][ T5414] vfs_get_tree+0x88/0x270
[ 243.192175][ T5414] do_new_mount+0x24a/0xa40
[ 243.196729][ T5414] __se_sys_mount+0x2e3/0x3d0
[ 243.201488][ T5414] ? __x64_sys_mount+0xc0/0xc0
[ 243.206297][ T5414] ? lockdep_hardirqs_on+0x94/0x140
[ 243.211623][ T5414] ? __x64_sys_mount+0x1c/0xc0
[ 243.216436][ T5414] do_syscall_64+0x4c/0xa0
[ 243.220904][ T5414] ? clear_bhb_loop+0x30/0x80
[ 243.225805][ T5414] ? clear_bhb_loop+0x30/0x80
[ 243.230610][ T5414] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.236801][ T5414] RIP: 0033:0x7f9111f4590a
[ 243.241269][ T5414] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 243.261098][ T5414] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.269584][ T5414] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 243.277602][ T5414] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 243.285645][ T5414] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 243.293659][ T5414] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 243.301680][ T5414] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 243.309743][ T5414]
[ 243.315661][ T5414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.329322][ T5414] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.603118][ T5416] loop1: detected capacity change from 0 to 32768
[ 243.614791][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.622353][ T5416] CPU: 0 PID: 5416 Comm: syz.1.169 Not tainted syzkaller #0
[ 243.629799][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 243.640000][ T5416] Call Trace:
[ 243.643578][ T5416]
[ 243.646547][ T5416] dump_stack_lvl+0x188/0x250
[ 243.651281][ T5416] ? show_regs_print_info+0x20/0x20
[ 243.656743][ T5416] ? load_image+0x400/0x400
[ 243.661331][ T5416] sysfs_create_dir_ns+0x26a/0x290
[ 243.666495][ T5416] ? sysfs_warn_dup+0xa0/0xa0
[ 243.671239][ T5416] ? do_raw_spin_unlock+0x11d/0x230
[ 243.676579][ T5416] kobject_add_internal+0x6e0/0xd90
[ 243.681835][ T5416] kobject_init_and_add+0x128/0x190
[ 243.687080][ T5416] ? lockdep_softirqs_off+0x430/0x430
[ 243.692507][ T5416] ? kobject_add+0x230/0x230
[ 243.697157][ T5416] ? __init_swait_queue_head+0xa5/0x150
[ 243.702759][ T5416] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.707579][ T5416] ? gfs2_recover_set+0x240/0x240
[ 243.712654][ T5416] ? snprintf+0xe5/0x140
[ 243.716934][ T5416] ? __free_pages+0x95/0x1a0
[ 243.721740][ T5416] ? vscnprintf+0x80/0x80
[ 243.726120][ T5416] gfs2_fill_super+0x120f/0x1f00
[ 243.731141][ T5416] ? gfs2_reconfigure+0xd30/0xd30
[ 243.736248][ T5416] ? sb_set_blocksize+0xa5/0xe0
[ 243.741244][ T5416] get_tree_bdev+0x3f1/0x610
[ 243.745882][ T5416] ? gfs2_reconfigure+0xd30/0xd30
[ 243.750954][ T5416] gfs2_get_tree+0x4d/0x1e0
[ 243.755618][ T5416] vfs_get_tree+0x88/0x270
[ 243.760255][ T5416] do_new_mount+0x24a/0xa40
[ 243.764799][ T5416] __se_sys_mount+0x2e3/0x3d0
[ 243.769493][ T5416] ? __x64_sys_mount+0xc0/0xc0
[ 243.774365][ T5416] ? lockdep_hardirqs_on+0x94/0x140
[ 243.779624][ T5416] ? __x64_sys_mount+0x1c/0xc0
[ 243.784460][ T5416] do_syscall_64+0x4c/0xa0
[ 243.788929][ T5416] ? clear_bhb_loop+0x30/0x80
[ 243.793665][ T5416] ? clear_bhb_loop+0x30/0x80
[ 243.798400][ T5416] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.804350][ T5416] RIP: 0033:0x7f9111f4590a
[ 243.808829][ T5416] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 243.828544][ T5416] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.836973][ T5416] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 243.844962][ T5416] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 243.853063][ T5416] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 243.861060][ T5416] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 243.869061][ T5416] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 243.877059][ T5416]
[ 243.882319][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.895572][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:57:52 executed programs: 155
[ 244.276602][ T5418] loop1: detected capacity change from 0 to 32768
[ 244.338229][ T5418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.345671][ T5418] CPU: 1 PID: 5418 Comm: syz.1.170 Not tainted syzkaller #0
[ 244.353004][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 244.363222][ T5418] Call Trace:
[ 244.366538][ T5418]
[ 244.369694][ T5418] dump_stack_lvl+0x188/0x250
[ 244.374418][ T5418] ? show_regs_print_info+0x20/0x20
[ 244.379705][ T5418] ? load_image+0x400/0x400
[ 244.384276][ T5418] sysfs_create_dir_ns+0x26a/0x290
[ 244.389444][ T5418] ? sysfs_warn_dup+0xa0/0xa0
[ 244.394174][ T5418] ? do_raw_spin_unlock+0x11d/0x230
[ 244.399422][ T5418] kobject_add_internal+0x6e0/0xd90
[ 244.404664][ T5418] kobject_init_and_add+0x128/0x190
[ 244.409904][ T5418] ? lockdep_softirqs_off+0x430/0x430
[ 244.415331][ T5418] ? kobject_add+0x230/0x230
[ 244.419971][ T5418] ? __init_swait_queue_head+0xa5/0x150
[ 244.425565][ T5418] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.430405][ T5418] ? gfs2_recover_set+0x240/0x240
[ 244.435495][ T5418] ? snprintf+0xe5/0x140
[ 244.439786][ T5418] ? __free_pages+0x95/0x1a0
[ 244.444433][ T5418] ? vscnprintf+0x80/0x80
[ 244.448897][ T5418] gfs2_fill_super+0x120f/0x1f00
[ 244.453982][ T5418] ? gfs2_reconfigure+0xd30/0xd30
[ 244.459252][ T5418] ? sb_set_blocksize+0xa5/0xe0
[ 244.464153][ T5418] get_tree_bdev+0x3f1/0x610
[ 244.469024][ T5418] ? gfs2_reconfigure+0xd30/0xd30
[ 244.474098][ T5418] gfs2_get_tree+0x4d/0x1e0
[ 244.478655][ T5418] vfs_get_tree+0x88/0x270
[ 244.483118][ T5418] do_new_mount+0x24a/0xa40
[ 244.487664][ T5418] __se_sys_mount+0x2e3/0x3d0
[ 244.492421][ T5418] ? __x64_sys_mount+0xc0/0xc0
[ 244.497228][ T5418] ? lockdep_hardirqs_on+0x94/0x140
[ 244.502464][ T5418] ? __x64_sys_mount+0x1c/0xc0
[ 244.507274][ T5418] do_syscall_64+0x4c/0xa0
[ 244.511756][ T5418] ? clear_bhb_loop+0x30/0x80
[ 244.516482][ T5418] ? clear_bhb_loop+0x30/0x80
[ 244.521199][ T5418] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.527133][ T5418] RIP: 0033:0x7f9111f4590a
[ 244.531590][ T5418] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 244.551234][ T5418] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.559692][ T5418] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 244.567707][ T5418] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 244.575721][ T5418] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 244.583823][ T5418] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 244.591847][ T5418] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 244.599877][ T5418]
[ 244.605128][ T5418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.618570][ T5418] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.018050][ T5420] loop1: detected capacity change from 0 to 32768
[ 245.070499][ T5420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.081531][ T5420] CPU: 0 PID: 5420 Comm: syz.1.171 Not tainted syzkaller #0
[ 245.089084][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 245.099321][ T5420] Call Trace:
[ 245.102739][ T5420]
[ 245.105728][ T5420] dump_stack_lvl+0x188/0x250
[ 245.110454][ T5420] ? show_regs_print_info+0x20/0x20
[ 245.115705][ T5420] ? load_image+0x400/0x400
[ 245.120277][ T5420] sysfs_create_dir_ns+0x26a/0x290
[ 245.125445][ T5420] ? sysfs_warn_dup+0xa0/0xa0
[ 245.130184][ T5420] ? do_raw_spin_unlock+0x11d/0x230
[ 245.135565][ T5420] kobject_add_internal+0x6e0/0xd90
[ 245.140830][ T5420] kobject_init_and_add+0x128/0x190
[ 245.146177][ T5420] ? lockdep_softirqs_off+0x430/0x430
[ 245.151818][ T5420] ? kobject_add+0x230/0x230
[ 245.156567][ T5420] ? __init_swait_queue_head+0xa5/0x150
[ 245.162271][ T5420] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.167085][ T5420] ? gfs2_recover_set+0x240/0x240
[ 245.172157][ T5420] ? snprintf+0xe5/0x140
[ 245.176444][ T5420] ? __free_pages+0x95/0x1a0
[ 245.181075][ T5420] ? vscnprintf+0x80/0x80
[ 245.185632][ T5420] gfs2_fill_super+0x120f/0x1f00
[ 245.190629][ T5420] ? gfs2_reconfigure+0xd30/0xd30
[ 245.195713][ T5420] ? sb_set_blocksize+0xa5/0xe0
[ 245.200610][ T5420] get_tree_bdev+0x3f1/0x610
[ 245.205243][ T5420] ? gfs2_reconfigure+0xd30/0xd30
[ 245.210311][ T5420] gfs2_get_tree+0x4d/0x1e0
[ 245.214867][ T5420] vfs_get_tree+0x88/0x270
[ 245.219335][ T5420] do_new_mount+0x24a/0xa40
[ 245.223887][ T5420] __se_sys_mount+0x2e3/0x3d0
[ 245.228619][ T5420] ? __x64_sys_mount+0xc0/0xc0
[ 245.233441][ T5420] ? lockdep_hardirqs_on+0x94/0x140
[ 245.238685][ T5420] ? __x64_sys_mount+0x1c/0xc0
[ 245.243503][ T5420] do_syscall_64+0x4c/0xa0
[ 245.247962][ T5420] ? clear_bhb_loop+0x30/0x80
[ 245.252759][ T5420] ? clear_bhb_loop+0x30/0x80
[ 245.257473][ T5420] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.263411][ T5420] RIP: 0033:0x7f9111f4590a
[ 245.267883][ T5420] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 245.287700][ T5420] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.296349][ T5420] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 245.304401][ T5420] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 245.312507][ T5420] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 245.320520][ T5420] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 245.328535][ T5420] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 245.336591][ T5420]
[ 245.345284][ T5420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.358719][ T5420] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.705927][ T5422] loop1: detected capacity change from 0 to 32768
[ 245.765390][ T5422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.773067][ T5422] CPU: 1 PID: 5422 Comm: syz.1.172 Not tainted syzkaller #0
[ 245.780422][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 245.790646][ T5422] Call Trace:
[ 245.793989][ T5422]
[ 245.796947][ T5422] dump_stack_lvl+0x188/0x250
[ 245.801674][ T5422] ? show_regs_print_info+0x20/0x20
[ 245.807003][ T5422] ? load_image+0x400/0x400
[ 245.811569][ T5422] sysfs_create_dir_ns+0x26a/0x290
[ 245.816733][ T5422] ? sysfs_warn_dup+0xa0/0xa0
[ 245.821466][ T5422] ? do_raw_spin_unlock+0x11d/0x230
[ 245.826730][ T5422] kobject_add_internal+0x6e0/0xd90
[ 245.832006][ T5422] kobject_init_and_add+0x128/0x190
[ 245.837350][ T5422] ? lockdep_softirqs_off+0x430/0x430
[ 245.842869][ T5422] ? kobject_add+0x230/0x230
[ 245.847608][ T5422] ? __init_swait_queue_head+0xa5/0x150
[ 245.853228][ T5422] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.858044][ T5422] ? gfs2_recover_set+0x240/0x240
[ 245.863114][ T5422] ? snprintf+0xe5/0x140
[ 245.867410][ T5422] ? __free_pages+0x95/0x1a0
[ 245.872051][ T5422] ? vscnprintf+0x80/0x80
[ 245.876436][ T5422] gfs2_fill_super+0x120f/0x1f00
[ 245.881443][ T5422] ? gfs2_reconfigure+0xd30/0xd30
[ 245.886553][ T5422] ? sb_set_blocksize+0xa5/0xe0
[ 245.891456][ T5422] get_tree_bdev+0x3f1/0x610
[ 245.896091][ T5422] ? gfs2_reconfigure+0xd30/0xd30
[ 245.901169][ T5422] gfs2_get_tree+0x4d/0x1e0
[ 245.905728][ T5422] vfs_get_tree+0x88/0x270
[ 245.910214][ T5422] do_new_mount+0x24a/0xa40
[ 245.914769][ T5422] __se_sys_mount+0x2e3/0x3d0
[ 245.919495][ T5422] ? __x64_sys_mount+0xc0/0xc0
[ 245.924304][ T5422] ? lockdep_hardirqs_on+0x94/0x140
[ 245.929536][ T5422] ? __x64_sys_mount+0x1c/0xc0
[ 245.934347][ T5422] do_syscall_64+0x4c/0xa0
[ 245.938893][ T5422] ? clear_bhb_loop+0x30/0x80
[ 245.943607][ T5422] ? clear_bhb_loop+0x30/0x80
[ 245.948318][ T5422] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.954358][ T5422] RIP: 0033:0x7f9111f4590a
[ 245.958817][ T5422] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 245.978465][ T5422] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.987013][ T5422] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 245.995189][ T5422] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 246.003203][ T5422] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 246.011216][ T5422] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 246.019238][ T5422] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 246.027313][ T5422]
[ 246.043048][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.058616][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.336900][ T5424] loop1: detected capacity change from 0 to 32768
[ 246.351613][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.367704][ T5424] CPU: 1 PID: 5424 Comm: syz.1.173 Not tainted syzkaller #0
[ 246.375158][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 246.385434][ T5424] Call Trace:
[ 246.388757][ T5424]
[ 246.391768][ T5424] dump_stack_lvl+0x188/0x250
[ 246.396499][ T5424] ? show_regs_print_info+0x20/0x20
[ 246.401781][ T5424] ? load_image+0x400/0x400
[ 246.406367][ T5424] sysfs_create_dir_ns+0x26a/0x290
[ 246.411534][ T5424] ? sysfs_warn_dup+0xa0/0xa0
[ 246.416270][ T5424] ? do_raw_spin_unlock+0x11d/0x230
[ 246.421523][ T5424] kobject_add_internal+0x6e0/0xd90
[ 246.426801][ T5424] kobject_init_and_add+0x128/0x190
[ 246.432065][ T5424] ? lockdep_softirqs_off+0x430/0x430
[ 246.437496][ T5424] ? kobject_add+0x230/0x230
[ 246.442150][ T5424] ? __init_swait_queue_head+0xa5/0x150
[ 246.447755][ T5424] gfs2_sys_fs_add+0x24f/0x4b0
[ 246.452657][ T5424] ? gfs2_recover_set+0x240/0x240
[ 246.457737][ T5424] ? snprintf+0xe5/0x140
[ 246.462027][ T5424] ? __free_pages+0x95/0x1a0
[ 246.466669][ T5424] ? vscnprintf+0x80/0x80
[ 246.471055][ T5424] gfs2_fill_super+0x120f/0x1f00
[ 246.476055][ T5424] ? gfs2_reconfigure+0xd30/0xd30
[ 246.481145][ T5424] ? sb_set_blocksize+0xa5/0xe0
[ 246.486078][ T5424] get_tree_bdev+0x3f1/0x610
[ 246.490801][ T5424] ? gfs2_reconfigure+0xd30/0xd30
[ 246.495870][ T5424] gfs2_get_tree+0x4d/0x1e0
[ 246.500423][ T5424] vfs_get_tree+0x88/0x270
[ 246.504971][ T5424] do_new_mount+0x24a/0xa40
[ 246.509519][ T5424] __se_sys_mount+0x2e3/0x3d0
[ 246.514359][ T5424] ? __x64_sys_mount+0xc0/0xc0
[ 246.519176][ T5424] ? lockdep_hardirqs_on+0x94/0x140
[ 246.524418][ T5424] ? __x64_sys_mount+0x1c/0xc0
[ 246.529222][ T5424] do_syscall_64+0x4c/0xa0
[ 246.533684][ T5424] ? clear_bhb_loop+0x30/0x80
[ 246.538402][ T5424] ? clear_bhb_loop+0x30/0x80
[ 246.543254][ T5424] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.549295][ T5424] RIP: 0033:0x7f9111f4590a
[ 246.553972][ T5424] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 246.573770][ T5424] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.582324][ T5424] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 246.590793][ T5424] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 246.598806][ T5424] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 246.606820][ T5424] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 246.614838][ T5424] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 246.622875][ T5424]
[ 246.630534][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.646028][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.923447][ T5426] loop1: detected capacity change from 0 to 32768
[ 247.009951][ T5426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.017399][ T5426] CPU: 0 PID: 5426 Comm: syz.1.174 Not tainted syzkaller #0
[ 247.024725][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 247.034827][ T5426] Call Trace:
[ 247.038151][ T5426]
[ 247.041119][ T5426] dump_stack_lvl+0x188/0x250
[ 247.045935][ T5426] ? show_regs_print_info+0x20/0x20
[ 247.051170][ T5426] ? load_image+0x400/0x400
[ 247.055813][ T5426] sysfs_create_dir_ns+0x26a/0x290
[ 247.061050][ T5426] ? sysfs_warn_dup+0xa0/0xa0
[ 247.065774][ T5426] ? do_raw_spin_unlock+0x11d/0x230
[ 247.071144][ T5426] kobject_add_internal+0x6e0/0xd90
[ 247.076415][ T5426] kobject_init_and_add+0x128/0x190
[ 247.081756][ T5426] ? lockdep_softirqs_off+0x430/0x430
[ 247.087280][ T5426] ? kobject_add+0x230/0x230
[ 247.091926][ T5426] ? __init_swait_queue_head+0xa5/0x150
[ 247.097616][ T5426] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.102430][ T5426] ? gfs2_recover_set+0x240/0x240
[ 247.107505][ T5426] ? snprintf+0xe5/0x140
[ 247.111801][ T5426] ? __free_pages+0x95/0x1a0
[ 247.116469][ T5426] ? vscnprintf+0x80/0x80
[ 247.120963][ T5426] gfs2_fill_super+0x120f/0x1f00
[ 247.125959][ T5426] ? gfs2_reconfigure+0xd30/0xd30
[ 247.131047][ T5426] ? sb_set_blocksize+0xa5/0xe0
[ 247.135948][ T5426] get_tree_bdev+0x3f1/0x610
[ 247.140593][ T5426] ? gfs2_reconfigure+0xd30/0xd30
[ 247.145677][ T5426] gfs2_get_tree+0x4d/0x1e0
[ 247.150244][ T5426] vfs_get_tree+0x88/0x270
[ 247.154722][ T5426] do_new_mount+0x24a/0xa40
[ 247.159279][ T5426] __se_sys_mount+0x2e3/0x3d0
[ 247.164017][ T5426] ? __x64_sys_mount+0xc0/0xc0
[ 247.168847][ T5426] ? lockdep_hardirqs_on+0x94/0x140
[ 247.174174][ T5426] ? __x64_sys_mount+0x1c/0xc0
[ 247.179069][ T5426] do_syscall_64+0x4c/0xa0
[ 247.183557][ T5426] ? clear_bhb_loop+0x30/0x80
[ 247.188286][ T5426] ? clear_bhb_loop+0x30/0x80
[ 247.193018][ T5426] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.199061][ T5426] RIP: 0033:0x7f9111f4590a
[ 247.203837][ T5426] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 247.224001][ T5426] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.232551][ T5426] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 247.240585][ T5426] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 247.248688][ T5426] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 247.256736][ T5426] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 247.264720][ T5426] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 247.272728][ T5426]
[ 247.278271][ T5426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.292006][ T5426] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.671899][ T5428] loop1: detected capacity change from 0 to 32768
[ 247.730273][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.737719][ T5428] CPU: 1 PID: 5428 Comm: syz.1.175 Not tainted syzkaller #0
[ 247.745137][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 247.755241][ T5428] Call Trace:
[ 247.758567][ T5428]
[ 247.761540][ T5428] dump_stack_lvl+0x188/0x250
[ 247.766269][ T5428] ? show_regs_print_info+0x20/0x20
[ 247.771525][ T5428] ? load_image+0x400/0x400
[ 247.776094][ T5428] sysfs_create_dir_ns+0x26a/0x290
[ 247.781259][ T5428] ? sysfs_warn_dup+0xa0/0xa0
[ 247.785988][ T5428] ? do_raw_spin_unlock+0x11d/0x230
[ 247.791339][ T5428] kobject_add_internal+0x6e0/0xd90
[ 247.796686][ T5428] kobject_init_and_add+0x128/0x190
[ 247.801940][ T5428] ? lockdep_softirqs_off+0x430/0x430
[ 247.807459][ T5428] ? kobject_add+0x230/0x230
[ 247.812108][ T5428] ? __init_swait_queue_head+0xa5/0x150
[ 247.817707][ T5428] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.822516][ T5428] ? gfs2_recover_set+0x240/0x240
[ 247.827672][ T5428] ? snprintf+0xe5/0x140
[ 247.831949][ T5428] ? __free_pages+0x95/0x1a0
[ 247.836594][ T5428] ? vscnprintf+0x80/0x80
[ 247.840972][ T5428] gfs2_fill_super+0x120f/0x1f00
[ 247.846004][ T5428] ? gfs2_reconfigure+0xd30/0xd30
[ 247.851108][ T5428] ? sb_set_blocksize+0xa5/0xe0
[ 247.856030][ T5428] get_tree_bdev+0x3f1/0x610
[ 247.860669][ T5428] ? gfs2_reconfigure+0xd30/0xd30
[ 247.865749][ T5428] gfs2_get_tree+0x4d/0x1e0
[ 247.870324][ T5428] vfs_get_tree+0x88/0x270
[ 247.874921][ T5428] do_new_mount+0x24a/0xa40
[ 247.879493][ T5428] __se_sys_mount+0x2e3/0x3d0
[ 247.884240][ T5428] ? __x64_sys_mount+0xc0/0xc0
[ 247.889061][ T5428] ? lockdep_hardirqs_on+0x94/0x140
[ 247.894306][ T5428] ? __x64_sys_mount+0x1c/0xc0
[ 247.899121][ T5428] do_syscall_64+0x4c/0xa0
[ 247.903594][ T5428] ? clear_bhb_loop+0x30/0x80
[ 247.908335][ T5428] ? clear_bhb_loop+0x30/0x80
[ 247.913060][ T5428] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.919012][ T5428] RIP: 0033:0x7f9111f4590a
[ 247.923468][ T5428] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 247.943203][ T5428] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.951662][ T5428] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 247.959672][ T5428] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 247.967688][ T5428] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 247.975700][ T5428] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 247.983762][ T5428] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 247.991787][ T5428]
[ 247.999609][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.013239][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.329567][ T5430] loop1: detected capacity change from 0 to 32768
[ 248.412012][ T5430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.420903][ T5430] CPU: 1 PID: 5430 Comm: syz.1.176 Not tainted syzkaller #0
[ 248.428255][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 248.438355][ T5430] Call Trace:
[ 248.441675][ T5430]
[ 248.444642][ T5430] dump_stack_lvl+0x188/0x250
[ 248.449638][ T5430] ? show_regs_print_info+0x20/0x20
[ 248.454877][ T5430] ? load_image+0x400/0x400
[ 248.459453][ T5430] sysfs_create_dir_ns+0x26a/0x290
[ 248.464668][ T5430] ? sysfs_warn_dup+0xa0/0xa0
[ 248.469402][ T5430] ? do_raw_spin_unlock+0x11d/0x230
[ 248.474764][ T5430] kobject_add_internal+0x6e0/0xd90
[ 248.480025][ T5430] kobject_init_and_add+0x128/0x190
[ 248.485278][ T5430] ? lockdep_softirqs_off+0x430/0x430
[ 248.490720][ T5430] ? kobject_add+0x230/0x230
[ 248.495375][ T5430] ? __init_swait_queue_head+0xa5/0x150
[ 248.500972][ T5430] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.506067][ T5430] ? gfs2_recover_set+0x240/0x240
[ 248.511153][ T5430] ? snprintf+0xe5/0x140
[ 248.515445][ T5430] ? __free_pages+0x95/0x1a0
[ 248.520089][ T5430] ? vscnprintf+0x80/0x80
[ 248.524487][ T5430] gfs2_fill_super+0x120f/0x1f00
[ 248.529491][ T5430] ? gfs2_reconfigure+0xd30/0xd30
[ 248.534589][ T5430] ? sb_set_blocksize+0xa5/0xe0
[ 248.539483][ T5430] get_tree_bdev+0x3f1/0x610
[ 248.544283][ T5430] ? gfs2_reconfigure+0xd30/0xd30
[ 248.549359][ T5430] gfs2_get_tree+0x4d/0x1e0
[ 248.553936][ T5430] vfs_get_tree+0x88/0x270
[ 248.558400][ T5430] do_new_mount+0x24a/0xa40
[ 248.563141][ T5430] __se_sys_mount+0x2e3/0x3d0
[ 248.567873][ T5430] ? __x64_sys_mount+0xc0/0xc0
[ 248.572681][ T5430] ? lockdep_hardirqs_on+0x94/0x140
[ 248.577935][ T5430] ? __x64_sys_mount+0x1c/0xc0
[ 248.582780][ T5430] do_syscall_64+0x4c/0xa0
[ 248.587235][ T5430] ? clear_bhb_loop+0x30/0x80
[ 248.591951][ T5430] ? clear_bhb_loop+0x30/0x80
[ 248.596675][ T5430] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.603088][ T5430] RIP: 0033:0x7f9111f4590a
[ 248.607521][ T5430] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 248.627168][ T5430] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.635593][ T5430] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 248.643573][ T5430] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 248.651562][ T5430] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 248.659557][ T5430] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 248.667565][ T5430] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 248.675559][ T5430]
[ 248.679789][ T5430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.693666][ T5430] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.095761][ T5432] loop1: detected capacity change from 0 to 32768
[ 249.152377][ T5432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.161613][ T5432] CPU: 1 PID: 5432 Comm: syz.1.177 Not tainted syzkaller #0
[ 249.168961][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 249.179058][ T5432] Call Trace:
[ 249.182385][ T5432]
[ 249.185360][ T5432] dump_stack_lvl+0x188/0x250
[ 249.190090][ T5432] ? show_regs_print_info+0x20/0x20
[ 249.195336][ T5432] ? load_image+0x400/0x400
[ 249.199896][ T5432] sysfs_create_dir_ns+0x26a/0x290
[ 249.205062][ T5432] ? sysfs_warn_dup+0xa0/0xa0
[ 249.209789][ T5432] ? do_raw_spin_unlock+0x11d/0x230
[ 249.215064][ T5432] kobject_add_internal+0x6e0/0xd90
[ 249.220321][ T5432] kobject_init_and_add+0x128/0x190
[ 249.225576][ T5432] ? lockdep_softirqs_off+0x430/0x430
[ 249.231008][ T5432] ? kobject_add+0x230/0x230
[ 249.235659][ T5432] ? __init_swait_queue_head+0xa5/0x150
[ 249.241360][ T5432] gfs2_sys_fs_add+0x24f/0x4b0
[ 249.246263][ T5432] ? gfs2_recover_set+0x240/0x240
[ 249.251775][ T5432] ? snprintf+0xe5/0x140
[ 249.256073][ T5432] ? __free_pages+0x95/0x1a0
[ 249.260900][ T5432] ? vscnprintf+0x80/0x80
[ 249.265297][ T5432] gfs2_fill_super+0x120f/0x1f00
[ 249.270301][ T5432] ? gfs2_reconfigure+0xd30/0xd30
[ 249.275476][ T5432] ? sb_set_blocksize+0xa5/0xe0
[ 249.280368][ T5432] get_tree_bdev+0x3f1/0x610
[ 249.285103][ T5432] ? gfs2_reconfigure+0xd30/0xd30
[ 249.290262][ T5432] gfs2_get_tree+0x4d/0x1e0
[ 249.294828][ T5432] vfs_get_tree+0x88/0x270
[ 249.299290][ T5432] do_new_mount+0x24a/0xa40
[ 249.303836][ T5432] __se_sys_mount+0x2e3/0x3d0
[ 249.308664][ T5432] ? __x64_sys_mount+0xc0/0xc0
[ 249.313579][ T5432] ? lockdep_hardirqs_on+0x94/0x140
[ 249.318853][ T5432] ? __x64_sys_mount+0x1c/0xc0
[ 249.323794][ T5432] do_syscall_64+0x4c/0xa0
[ 249.328429][ T5432] ? clear_bhb_loop+0x30/0x80
[ 249.333237][ T5432] ? clear_bhb_loop+0x30/0x80
[ 249.338060][ T5432] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.344043][ T5432] RIP: 0033:0x7f9111f4590a
[ 249.348518][ T5432] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 249.368259][ T5432] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.376728][ T5432] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 249.384743][ T5432] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 249.392754][ T5432] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 249.400880][ T5432] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 249.408908][ T5432] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 249.416945][ T5432]
[ 249.427166][ T5432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.442845][ T5432] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:57:58 executed programs: 163
[ 249.855325][ T5434] loop1: detected capacity change from 0 to 32768
[ 249.949578][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.957689][ T5434] CPU: 0 PID: 5434 Comm: syz.1.178 Not tainted syzkaller #0
[ 249.965033][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 249.975141][ T5434] Call Trace:
[ 249.978474][ T5434]
[ 249.981442][ T5434] dump_stack_lvl+0x188/0x250
[ 249.986188][ T5434] ? show_regs_print_info+0x20/0x20
[ 249.991431][ T5434] ? load_image+0x400/0x400
[ 249.995990][ T5434] sysfs_create_dir_ns+0x26a/0x290
[ 250.001157][ T5434] ? sysfs_warn_dup+0xa0/0xa0
[ 250.006015][ T5434] ? do_raw_spin_unlock+0x11d/0x230
[ 250.011453][ T5434] kobject_add_internal+0x6e0/0xd90
[ 250.016703][ T5434] kobject_init_and_add+0x128/0x190
[ 250.021943][ T5434] ? lockdep_softirqs_off+0x430/0x430
[ 250.027377][ T5434] ? kobject_add+0x230/0x230
[ 250.032027][ T5434] ? __init_swait_queue_head+0xa5/0x150
[ 250.037628][ T5434] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.042440][ T5434] ? gfs2_recover_set+0x240/0x240
[ 250.047507][ T5434] ? snprintf+0xe5/0x140
[ 250.051785][ T5434] ? __free_pages+0x95/0x1a0
[ 250.056425][ T5434] ? vscnprintf+0x80/0x80
[ 250.060997][ T5434] gfs2_fill_super+0x120f/0x1f00
[ 250.065993][ T5434] ? gfs2_reconfigure+0xd30/0xd30
[ 250.071080][ T5434] ? sb_set_blocksize+0xa5/0xe0
[ 250.075977][ T5434] get_tree_bdev+0x3f1/0x610
[ 250.080611][ T5434] ? gfs2_reconfigure+0xd30/0xd30
[ 250.085677][ T5434] gfs2_get_tree+0x4d/0x1e0
[ 250.090224][ T5434] vfs_get_tree+0x88/0x270
[ 250.094689][ T5434] do_new_mount+0x24a/0xa40
[ 250.099254][ T5434] __se_sys_mount+0x2e3/0x3d0
[ 250.104186][ T5434] ? __x64_sys_mount+0xc0/0xc0
[ 250.109007][ T5434] ? lockdep_hardirqs_on+0x94/0x140
[ 250.114268][ T5434] ? __x64_sys_mount+0x1c/0xc0
[ 250.119257][ T5434] do_syscall_64+0x4c/0xa0
[ 250.123746][ T5434] ? clear_bhb_loop+0x30/0x80
[ 250.128468][ T5434] ? clear_bhb_loop+0x30/0x80
[ 250.133190][ T5434] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.139119][ T5434] RIP: 0033:0x7f9111f4590a
[ 250.143659][ T5434] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 250.163573][ T5434] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.172032][ T5434] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 250.180083][ T5434] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 250.188240][ T5434] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 250.196257][ T5434] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 250.204274][ T5434] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 250.212310][ T5434]
[ 250.222758][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.236437][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.556991][ T5436] loop1: detected capacity change from 0 to 32768
[ 250.632416][ T5436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.639937][ T5436] CPU: 1 PID: 5436 Comm: syz.1.179 Not tainted syzkaller #0
[ 250.647267][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 250.657475][ T5436] Call Trace:
[ 250.660806][ T5436]
[ 250.663878][ T5436] dump_stack_lvl+0x188/0x250
[ 250.668600][ T5436] ? show_regs_print_info+0x20/0x20
[ 250.673840][ T5436] ? load_image+0x400/0x400
[ 250.678403][ T5436] sysfs_create_dir_ns+0x26a/0x290
[ 250.683565][ T5436] ? sysfs_warn_dup+0xa0/0xa0
[ 250.688271][ T5436] ? do_raw_spin_unlock+0x11d/0x230
[ 250.693541][ T5436] kobject_add_internal+0x6e0/0xd90
[ 250.698800][ T5436] kobject_init_and_add+0x128/0x190
[ 250.704041][ T5436] ? lockdep_softirqs_off+0x430/0x430
[ 250.709474][ T5436] ? kobject_add+0x230/0x230
[ 250.714130][ T5436] ? __init_swait_queue_head+0xa5/0x150
[ 250.719733][ T5436] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.724560][ T5436] ? gfs2_recover_set+0x240/0x240
[ 250.729636][ T5436] ? snprintf+0xe5/0x140
[ 250.733929][ T5436] ? __free_pages+0x95/0x1a0
[ 250.738592][ T5436] ? vscnprintf+0x80/0x80
[ 250.742977][ T5436] gfs2_fill_super+0x120f/0x1f00
[ 250.747978][ T5436] ? gfs2_reconfigure+0xd30/0xd30
[ 250.753100][ T5436] ? sb_set_blocksize+0xa5/0xe0
[ 250.757998][ T5436] get_tree_bdev+0x3f1/0x610
[ 250.762653][ T5436] ? gfs2_reconfigure+0xd30/0xd30
[ 250.767746][ T5436] gfs2_get_tree+0x4d/0x1e0
[ 250.772433][ T5436] vfs_get_tree+0x88/0x270
[ 250.776899][ T5436] do_new_mount+0x24a/0xa40
[ 250.781462][ T5436] __se_sys_mount+0x2e3/0x3d0
[ 250.786189][ T5436] ? __x64_sys_mount+0xc0/0xc0
[ 250.791090][ T5436] ? lockdep_hardirqs_on+0x94/0x140
[ 250.796332][ T5436] ? __x64_sys_mount+0x1c/0xc0
[ 250.801272][ T5436] do_syscall_64+0x4c/0xa0
[ 250.805734][ T5436] ? clear_bhb_loop+0x30/0x80
[ 250.810454][ T5436] ? clear_bhb_loop+0x30/0x80
[ 250.815173][ T5436] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.821138][ T5436] RIP: 0033:0x7f9111f4590a
[ 250.825726][ T5436] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 250.845373][ T5436] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.853817][ T5436] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 250.862008][ T5436] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 250.869999][ T5436] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 250.877985][ T5436] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 250.885992][ T5436] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 250.894075][ T5436]
[ 250.899408][ T5436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.912603][ T5436] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.314825][ T5438] loop1: detected capacity change from 0 to 32768
[ 251.383454][ T5438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.395274][ T5438] CPU: 1 PID: 5438 Comm: syz.1.180 Not tainted syzkaller #0
[ 251.402629][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 251.412723][ T5438] Call Trace:
[ 251.416049][ T5438]
[ 251.419013][ T5438] dump_stack_lvl+0x188/0x250
[ 251.423737][ T5438] ? show_regs_print_info+0x20/0x20
[ 251.428998][ T5438] ? load_image+0x400/0x400
[ 251.433553][ T5438] sysfs_create_dir_ns+0x26a/0x290
[ 251.438711][ T5438] ? sysfs_warn_dup+0xa0/0xa0
[ 251.443427][ T5438] ? do_raw_spin_unlock+0x11d/0x230
[ 251.448666][ T5438] kobject_add_internal+0x6e0/0xd90
[ 251.453927][ T5438] kobject_init_and_add+0x128/0x190
[ 251.459176][ T5438] ? lockdep_softirqs_off+0x430/0x430
[ 251.464609][ T5438] ? kobject_add+0x230/0x230
[ 251.469244][ T5438] ? __init_swait_queue_head+0xa5/0x150
[ 251.475016][ T5438] gfs2_sys_fs_add+0x24f/0x4b0
[ 251.479844][ T5438] ? gfs2_recover_set+0x240/0x240
[ 251.484921][ T5438] ? snprintf+0xe5/0x140
[ 251.489292][ T5438] ? __free_pages+0x95/0x1a0
[ 251.493940][ T5438] ? vscnprintf+0x80/0x80
[ 251.498360][ T5438] gfs2_fill_super+0x120f/0x1f00
[ 251.503354][ T5438] ? gfs2_reconfigure+0xd30/0xd30
[ 251.508445][ T5438] ? sb_set_blocksize+0xa5/0xe0
[ 251.513384][ T5438] get_tree_bdev+0x3f1/0x610
[ 251.518029][ T5438] ? gfs2_reconfigure+0xd30/0xd30
[ 251.523102][ T5438] gfs2_get_tree+0x4d/0x1e0
[ 251.527654][ T5438] vfs_get_tree+0x88/0x270
[ 251.532119][ T5438] do_new_mount+0x24a/0xa40
[ 251.536679][ T5438] __se_sys_mount+0x2e3/0x3d0
[ 251.541409][ T5438] ? __x64_sys_mount+0xc0/0xc0
[ 251.546393][ T5438] ? lockdep_hardirqs_on+0x94/0x140
[ 251.551644][ T5438] ? __x64_sys_mount+0x1c/0xc0
[ 251.556540][ T5438] do_syscall_64+0x4c/0xa0
[ 251.560988][ T5438] ? clear_bhb_loop+0x30/0x80
[ 251.565703][ T5438] ? clear_bhb_loop+0x30/0x80
[ 251.570504][ T5438] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.576551][ T5438] RIP: 0033:0x7f9111f4590a
[ 251.581005][ T5438] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 251.600664][ T5438] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.609123][ T5438] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 251.617137][ T5438] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 251.625323][ T5438] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 251.633338][ T5438] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 251.641348][ T5438] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 251.649372][ T5438]
[ 251.657271][ T5438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.670976][ T5438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.944803][ T5440] loop1: detected capacity change from 0 to 32768
[ 251.997768][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.005815][ T5440] CPU: 0 PID: 5440 Comm: syz.1.181 Not tainted syzkaller #0
[ 252.013147][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 252.023334][ T5440] Call Trace:
[ 252.026651][ T5440]
[ 252.029648][ T5440] dump_stack_lvl+0x188/0x250
[ 252.034383][ T5440] ? show_regs_print_info+0x20/0x20
[ 252.039721][ T5440] ? load_image+0x400/0x400
[ 252.044387][ T5440] sysfs_create_dir_ns+0x26a/0x290
[ 252.049547][ T5440] ? sysfs_warn_dup+0xa0/0xa0
[ 252.054279][ T5440] ? do_raw_spin_unlock+0x11d/0x230
[ 252.059592][ T5440] kobject_add_internal+0x6e0/0xd90
[ 252.064854][ T5440] kobject_init_and_add+0x128/0x190
[ 252.070097][ T5440] ? lockdep_softirqs_off+0x430/0x430
[ 252.075527][ T5440] ? kobject_add+0x230/0x230
[ 252.080184][ T5440] ? __init_swait_queue_head+0xa5/0x150
[ 252.085935][ T5440] gfs2_sys_fs_add+0x24f/0x4b0
[ 252.090757][ T5440] ? gfs2_recover_set+0x240/0x240
[ 252.095923][ T5440] ? snprintf+0xe5/0x140
[ 252.100218][ T5440] ? __free_pages+0x95/0x1a0
[ 252.104855][ T5440] ? vscnprintf+0x80/0x80
[ 252.109235][ T5440] gfs2_fill_super+0x120f/0x1f00
[ 252.114227][ T5440] ? gfs2_reconfigure+0xd30/0xd30
[ 252.119307][ T5440] ? sb_set_blocksize+0xa5/0xe0
[ 252.124387][ T5440] get_tree_bdev+0x3f1/0x610
[ 252.129018][ T5440] ? gfs2_reconfigure+0xd30/0xd30
[ 252.134088][ T5440] gfs2_get_tree+0x4d/0x1e0
[ 252.138637][ T5440] vfs_get_tree+0x88/0x270
[ 252.143450][ T5440] do_new_mount+0x24a/0xa40
[ 252.147999][ T5440] __se_sys_mount+0x2e3/0x3d0
[ 252.152817][ T5440] ? __x64_sys_mount+0xc0/0xc0
[ 252.157637][ T5440] ? lockdep_hardirqs_on+0x94/0x140
[ 252.162878][ T5440] ? __x64_sys_mount+0x1c/0xc0
[ 252.167691][ T5440] do_syscall_64+0x4c/0xa0
[ 252.172180][ T5440] ? clear_bhb_loop+0x30/0x80
[ 252.176899][ T5440] ? clear_bhb_loop+0x30/0x80
[ 252.181626][ T5440] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.187570][ T5440] RIP: 0033:0x7f9111f4590a
[ 252.192036][ T5440] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 252.211692][ T5440] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.220152][ T5440] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 252.228166][ T5440] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 252.236184][ T5440] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 252.244283][ T5440] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 252.252379][ T5440] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 252.260412][ T5440]
[ 252.269777][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.283192][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.660408][ T5442] loop1: detected capacity change from 0 to 32768
[ 252.707576][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.716551][ T5442] CPU: 0 PID: 5442 Comm: syz.1.182 Not tainted syzkaller #0
[ 252.723903][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 252.734006][ T5442] Call Trace:
[ 252.737326][ T5442]
[ 252.740300][ T5442] dump_stack_lvl+0x188/0x250
[ 252.745199][ T5442] ? show_regs_print_info+0x20/0x20
[ 252.750455][ T5442] ? load_image+0x400/0x400
[ 252.755026][ T5442] sysfs_create_dir_ns+0x26a/0x290
[ 252.760197][ T5442] ? sysfs_warn_dup+0xa0/0xa0
[ 252.765069][ T5442] ? do_raw_spin_unlock+0x11d/0x230
[ 252.770353][ T5442] kobject_add_internal+0x6e0/0xd90
[ 252.775750][ T5442] kobject_init_and_add+0x128/0x190
[ 252.781016][ T5442] ? lockdep_softirqs_off+0x430/0x430
[ 252.786452][ T5442] ? kobject_add+0x230/0x230
[ 252.791114][ T5442] ? __init_swait_queue_head+0xa5/0x150
[ 252.796725][ T5442] gfs2_sys_fs_add+0x24f/0x4b0
[ 252.801597][ T5442] ? gfs2_recover_set+0x240/0x240
[ 252.806710][ T5442] ? snprintf+0xe5/0x140
[ 252.811214][ T5442] ? __free_pages+0x95/0x1a0
[ 252.815864][ T5442] ? vscnprintf+0x80/0x80
[ 252.820379][ T5442] gfs2_fill_super+0x120f/0x1f00
[ 252.825421][ T5442] ? gfs2_reconfigure+0xd30/0xd30
[ 252.830683][ T5442] ? sb_set_blocksize+0xa5/0xe0
[ 252.835658][ T5442] get_tree_bdev+0x3f1/0x610
[ 252.840326][ T5442] ? gfs2_reconfigure+0xd30/0xd30
[ 252.845401][ T5442] gfs2_get_tree+0x4d/0x1e0
[ 252.849962][ T5442] vfs_get_tree+0x88/0x270
[ 252.854908][ T5442] do_new_mount+0x24a/0xa40
[ 252.859475][ T5442] __se_sys_mount+0x2e3/0x3d0
[ 252.864335][ T5442] ? __x64_sys_mount+0xc0/0xc0
[ 252.869161][ T5442] ? lockdep_hardirqs_on+0x94/0x140
[ 252.874503][ T5442] ? __x64_sys_mount+0x1c/0xc0
[ 252.879458][ T5442] do_syscall_64+0x4c/0xa0
[ 252.883931][ T5442] ? clear_bhb_loop+0x30/0x80
[ 252.888768][ T5442] ? clear_bhb_loop+0x30/0x80
[ 252.893586][ T5442] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.899612][ T5442] RIP: 0033:0x7f9111f4590a
[ 252.904077][ T5442] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 252.923725][ T5442] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.932187][ T5442] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 252.940245][ T5442] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 252.948482][ T5442] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 252.956502][ T5442] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 252.964523][ T5442] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 252.972573][ T5442]
[ 252.983014][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.997023][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.336960][ T5444] loop1: detected capacity change from 0 to 32768
[ 253.383619][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.391545][ T5444] CPU: 0 PID: 5444 Comm: syz.1.183 Not tainted syzkaller #0
[ 253.398928][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 253.409033][ T5444] Call Trace:
[ 253.412353][ T5444]
[ 253.415321][ T5444] dump_stack_lvl+0x188/0x250
[ 253.420134][ T5444] ? show_regs_print_info+0x20/0x20
[ 253.425494][ T5444] ? load_image+0x400/0x400
[ 253.430062][ T5444] sysfs_create_dir_ns+0x26a/0x290
[ 253.435223][ T5444] ? sysfs_warn_dup+0xa0/0xa0
[ 253.439959][ T5444] ? do_raw_spin_unlock+0x11d/0x230
[ 253.445209][ T5444] kobject_add_internal+0x6e0/0xd90
[ 253.450461][ T5444] kobject_init_and_add+0x128/0x190
[ 253.455718][ T5444] ? lockdep_softirqs_off+0x430/0x430
[ 253.461147][ T5444] ? kobject_add+0x230/0x230
[ 253.465964][ T5444] ? __init_swait_queue_head+0xa5/0x150
[ 253.471568][ T5444] gfs2_sys_fs_add+0x24f/0x4b0
[ 253.476381][ T5444] ? gfs2_recover_set+0x240/0x240
[ 253.481651][ T5444] ? snprintf+0xe5/0x140
[ 253.485936][ T5444] ? __free_pages+0x95/0x1a0
[ 253.490571][ T5444] ? vscnprintf+0x80/0x80
[ 253.494972][ T5444] gfs2_fill_super+0x120f/0x1f00
[ 253.500098][ T5444] ? gfs2_reconfigure+0xd30/0xd30
[ 253.505198][ T5444] ? sb_set_blocksize+0xa5/0xe0
[ 253.510121][ T5444] get_tree_bdev+0x3f1/0x610
[ 253.514768][ T5444] ? gfs2_reconfigure+0xd30/0xd30
[ 253.520026][ T5444] gfs2_get_tree+0x4d/0x1e0
[ 253.524587][ T5444] vfs_get_tree+0x88/0x270
[ 253.529050][ T5444] do_new_mount+0x24a/0xa40
[ 253.533608][ T5444] __se_sys_mount+0x2e3/0x3d0
[ 253.538410][ T5444] ? __x64_sys_mount+0xc0/0xc0
[ 253.543323][ T5444] ? lockdep_hardirqs_on+0x94/0x140
[ 253.548568][ T5444] ? __x64_sys_mount+0x1c/0xc0
[ 253.553549][ T5444] do_syscall_64+0x4c/0xa0
[ 253.558006][ T5444] ? clear_bhb_loop+0x30/0x80
[ 253.562731][ T5444] ? clear_bhb_loop+0x30/0x80
[ 253.567451][ T5444] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.573375][ T5444] RIP: 0033:0x7f9111f4590a
[ 253.577831][ T5444] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 253.597659][ T5444] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.606129][ T5444] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 253.614322][ T5444] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 253.622335][ T5444] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 253.630351][ T5444] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 253.638358][ T5444] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 253.646382][ T5444]
[ 253.656043][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.669623][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.042715][ T5446] loop1: detected capacity change from 0 to 32768
[ 254.103892][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.117783][ T5446] CPU: 1 PID: 5446 Comm: syz.1.184 Not tainted syzkaller #0
[ 254.125150][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 254.135327][ T5446] Call Trace:
[ 254.138641][ T5446]
[ 254.141688][ T5446] dump_stack_lvl+0x188/0x250
[ 254.146416][ T5446] ? show_regs_print_info+0x20/0x20
[ 254.151802][ T5446] ? load_image+0x400/0x400
[ 254.156478][ T5446] sysfs_create_dir_ns+0x26a/0x290
[ 254.161649][ T5446] ? sysfs_warn_dup+0xa0/0xa0
[ 254.166393][ T5446] ? do_raw_spin_unlock+0x11d/0x230
[ 254.171647][ T5446] kobject_add_internal+0x6e0/0xd90
[ 254.176909][ T5446] kobject_init_and_add+0x128/0x190
[ 254.182184][ T5446] ? lockdep_softirqs_off+0x430/0x430
[ 254.187622][ T5446] ? kobject_add+0x230/0x230
[ 254.192536][ T5446] ? __init_swait_queue_head+0xa5/0x150
[ 254.198147][ T5446] gfs2_sys_fs_add+0x24f/0x4b0
[ 254.202978][ T5446] ? gfs2_recover_set+0x240/0x240
[ 254.208060][ T5446] ? snprintf+0xe5/0x140
[ 254.212355][ T5446] ? __free_pages+0x95/0x1a0
[ 254.217013][ T5446] ? vscnprintf+0x80/0x80
[ 254.221405][ T5446] gfs2_fill_super+0x120f/0x1f00
[ 254.226415][ T5446] ? gfs2_reconfigure+0xd30/0xd30
[ 254.231527][ T5446] ? sb_set_blocksize+0xa5/0xe0
[ 254.236430][ T5446] get_tree_bdev+0x3f1/0x610
[ 254.241166][ T5446] ? gfs2_reconfigure+0xd30/0xd30
[ 254.246256][ T5446] gfs2_get_tree+0x4d/0x1e0
[ 254.250837][ T5446] vfs_get_tree+0x88/0x270
[ 254.255313][ T5446] do_new_mount+0x24a/0xa40
[ 254.259887][ T5446] __se_sys_mount+0x2e3/0x3d0
[ 254.264628][ T5446] ? __x64_sys_mount+0xc0/0xc0
[ 254.269447][ T5446] ? lockdep_hardirqs_on+0x94/0x140
[ 254.274697][ T5446] ? __x64_sys_mount+0x1c/0xc0
[ 254.279510][ T5446] do_syscall_64+0x4c/0xa0
[ 254.283982][ T5446] ? clear_bhb_loop+0x30/0x80
[ 254.288708][ T5446] ? clear_bhb_loop+0x30/0x80
[ 254.293436][ T5446] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.299409][ T5446] RIP: 0033:0x7f9111f4590a
[ 254.303874][ T5446] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 254.323790][ T5446] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.332264][ T5446] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 254.340307][ T5446] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 254.348330][ T5446] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 254.356349][ T5446] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 254.364366][ T5446] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 254.372431][ T5446]
[ 254.380212][ T5446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.393755][ T5446] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.689320][ T5448] loop1: detected capacity change from 0 to 32768
[ 254.772872][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.780398][ T5448] CPU: 1 PID: 5448 Comm: syz.1.185 Not tainted syzkaller #0
[ 254.787829][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 254.798093][ T5448] Call Trace:
[ 254.801411][ T5448]
[ 254.804386][ T5448] dump_stack_lvl+0x188/0x250
[ 254.809336][ T5448] ? show_regs_print_info+0x20/0x20
[ 254.814792][ T5448] ? load_image+0x400/0x400
[ 254.819361][ T5448] sysfs_create_dir_ns+0x26a/0x290
[ 254.824761][ T5448] ? sysfs_warn_dup+0xa0/0xa0
[ 254.829499][ T5448] ? do_raw_spin_unlock+0x11d/0x230
[ 254.834884][ T5448] kobject_add_internal+0x6e0/0xd90
[ 254.840336][ T5448] kobject_init_and_add+0x128/0x190
[ 254.845599][ T5448] ? lockdep_softirqs_off+0x430/0x430
[ 254.851118][ T5448] ? kobject_add+0x230/0x230
[ 254.855798][ T5448] ? __init_swait_queue_head+0xa5/0x150
[ 254.861420][ T5448] gfs2_sys_fs_add+0x24f/0x4b0
[ 254.866242][ T5448] ? gfs2_recover_set+0x240/0x240
[ 254.871407][ T5448] ? snprintf+0xe5/0x140
[ 254.875733][ T5448] ? __free_pages+0x95/0x1a0
[ 254.880423][ T5448] ? vscnprintf+0x80/0x80
[ 254.884815][ T5448] gfs2_fill_super+0x120f/0x1f00
[ 254.889826][ T5448] ? gfs2_reconfigure+0xd30/0xd30
[ 254.894921][ T5448] ? sb_set_blocksize+0xa5/0xe0
[ 254.899828][ T5448] get_tree_bdev+0x3f1/0x610
[ 254.904467][ T5448] ? gfs2_reconfigure+0xd30/0xd30
[ 254.909559][ T5448] gfs2_get_tree+0x4d/0x1e0
[ 254.914101][ T5448] vfs_get_tree+0x88/0x270
[ 254.918569][ T5448] do_new_mount+0x24a/0xa40
[ 254.923250][ T5448] __se_sys_mount+0x2e3/0x3d0
[ 254.927970][ T5448] ? __x64_sys_mount+0xc0/0xc0
[ 254.932798][ T5448] ? lockdep_hardirqs_on+0x94/0x140
[ 254.938087][ T5448] ? __x64_sys_mount+0x1c/0xc0
[ 254.942905][ T5448] do_syscall_64+0x4c/0xa0
[ 254.947379][ T5448] ? clear_bhb_loop+0x30/0x80
[ 254.952140][ T5448] ? clear_bhb_loop+0x30/0x80
[ 254.956854][ T5448] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.962795][ T5448] RIP: 0033:0x7f9111f4590a
[ 254.967316][ T5448] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 254.986940][ T5448] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.995552][ T5448] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 255.003541][ T5448] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 255.011616][ T5448] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 255.019774][ T5448] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 255.027759][ T5448] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 255.035753][ T5448]
[ 255.039308][ T5448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.053126][ T5448] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:58:03 executed programs: 171
[ 255.458317][ T5450] loop1: detected capacity change from 0 to 32768
[ 255.489492][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.497057][ T5450] CPU: 0 PID: 5450 Comm: syz.1.186 Not tainted syzkaller #0
[ 255.504387][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 255.514715][ T5450] Call Trace:
[ 255.518034][ T5450]
[ 255.521109][ T5450] dump_stack_lvl+0x188/0x250
[ 255.525956][ T5450] ? show_regs_print_info+0x20/0x20
[ 255.531382][ T5450] ? load_image+0x400/0x400
[ 255.535945][ T5450] sysfs_create_dir_ns+0x26a/0x290
[ 255.541125][ T5450] ? sysfs_warn_dup+0xa0/0xa0
[ 255.545852][ T5450] ? do_raw_spin_unlock+0x11d/0x230
[ 255.551099][ T5450] kobject_add_internal+0x6e0/0xd90
[ 255.556379][ T5450] kobject_init_and_add+0x128/0x190
[ 255.561619][ T5450] ? lockdep_softirqs_off+0x430/0x430
[ 255.567045][ T5450] ? kobject_add+0x230/0x230
[ 255.571827][ T5450] ? __init_swait_queue_head+0xa5/0x150
[ 255.577422][ T5450] gfs2_sys_fs_add+0x24f/0x4b0
[ 255.582227][ T5450] ? gfs2_recover_set+0x240/0x240
[ 255.587293][ T5450] ? snprintf+0xe5/0x140
[ 255.591582][ T5450] ? __free_pages+0x95/0x1a0
[ 255.596221][ T5450] ? vscnprintf+0x80/0x80
[ 255.600766][ T5450] gfs2_fill_super+0x120f/0x1f00
[ 255.605861][ T5450] ? gfs2_reconfigure+0xd30/0xd30
[ 255.610966][ T5450] ? sb_set_blocksize+0xa5/0xe0
[ 255.615865][ T5450] get_tree_bdev+0x3f1/0x610
[ 255.620513][ T5450] ? gfs2_reconfigure+0xd30/0xd30
[ 255.625679][ T5450] gfs2_get_tree+0x4d/0x1e0
[ 255.630236][ T5450] vfs_get_tree+0x88/0x270
[ 255.634706][ T5450] do_new_mount+0x24a/0xa40
[ 255.639263][ T5450] __se_sys_mount+0x2e3/0x3d0
[ 255.644110][ T5450] ? __x64_sys_mount+0xc0/0xc0
[ 255.648929][ T5450] ? lockdep_hardirqs_on+0x94/0x140
[ 255.654173][ T5450] ? __x64_sys_mount+0x1c/0xc0
[ 255.658996][ T5450] do_syscall_64+0x4c/0xa0
[ 255.663605][ T5450] ? clear_bhb_loop+0x30/0x80
[ 255.668324][ T5450] ? clear_bhb_loop+0x30/0x80
[ 255.673128][ T5450] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.679066][ T5450] RIP: 0033:0x7f9111f4590a
[ 255.683521][ T5450] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 255.703169][ T5450] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.711629][ T5450] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 255.719641][ T5450] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 255.727646][ T5450] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 255.735661][ T5450] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 255.743673][ T5450] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 255.751696][ T5450]
[ 255.759582][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.775552][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.782907][ T1423] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.789407][ T1423] ieee802154 phy1 wpan1: encryption failed: -22
[ 256.200191][ T5452] loop1: detected capacity change from 0 to 32768
[ 256.244155][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.255301][ T5452] CPU: 0 PID: 5452 Comm: syz.1.187 Not tainted syzkaller #0
[ 256.262654][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 256.272752][ T5452] Call Trace:
[ 256.276074][ T5452]
[ 256.279036][ T5452] dump_stack_lvl+0x188/0x250
[ 256.283760][ T5452] ? show_regs_print_info+0x20/0x20
[ 256.289009][ T5452] ? load_image+0x400/0x400
[ 256.293599][ T5452] sysfs_create_dir_ns+0x26a/0x290
[ 256.298757][ T5452] ? sysfs_warn_dup+0xa0/0xa0
[ 256.303484][ T5452] ? do_raw_spin_unlock+0x11d/0x230
[ 256.308925][ T5452] kobject_add_internal+0x6e0/0xd90
[ 256.314284][ T5452] kobject_init_and_add+0x128/0x190
[ 256.319611][ T5452] ? lockdep_softirqs_off+0x430/0x430
[ 256.325039][ T5452] ? kobject_add+0x230/0x230
[ 256.329705][ T5452] ? __init_swait_queue_head+0xa5/0x150
[ 256.335394][ T5452] gfs2_sys_fs_add+0x24f/0x4b0
[ 256.340212][ T5452] ? gfs2_recover_set+0x240/0x240
[ 256.345290][ T5452] ? snprintf+0xe5/0x140
[ 256.349678][ T5452] ? __free_pages+0x95/0x1a0
[ 256.354318][ T5452] ? vscnprintf+0x80/0x80
[ 256.358697][ T5452] gfs2_fill_super+0x120f/0x1f00
[ 256.363786][ T5452] ? gfs2_reconfigure+0xd30/0xd30
[ 256.368875][ T5452] ? sb_set_blocksize+0xa5/0xe0
[ 256.373786][ T5452] get_tree_bdev+0x3f1/0x610
[ 256.378458][ T5452] ? gfs2_reconfigure+0xd30/0xd30
[ 256.383530][ T5452] gfs2_get_tree+0x4d/0x1e0
[ 256.388106][ T5452] vfs_get_tree+0x88/0x270
[ 256.392565][ T5452] do_new_mount+0x24a/0xa40
[ 256.397122][ T5452] __se_sys_mount+0x2e3/0x3d0
[ 256.401857][ T5452] ? __x64_sys_mount+0xc0/0xc0
[ 256.406760][ T5452] ? lockdep_hardirqs_on+0x94/0x140
[ 256.412003][ T5452] ? __x64_sys_mount+0x1c/0xc0
[ 256.416915][ T5452] do_syscall_64+0x4c/0xa0
[ 256.421394][ T5452] ? clear_bhb_loop+0x30/0x80
[ 256.426147][ T5452] ? clear_bhb_loop+0x30/0x80
[ 256.430892][ T5452] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.437006][ T5452] RIP: 0033:0x7f9111f4590a
[ 256.441562][ T5452] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 256.461636][ T5452] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.470102][ T5452] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 256.478232][ T5452] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 256.486567][ T5452] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 256.494593][ T5452] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 256.502812][ T5452] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 256.510844][ T5452]
[ 256.522403][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.536350][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.814486][ T5454] loop1: detected capacity change from 0 to 32768
[ 256.832694][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.840319][ T5454] CPU: 0 PID: 5454 Comm: syz.1.188 Not tainted syzkaller #0
[ 256.847652][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 256.857981][ T5454] Call Trace:
[ 256.861305][ T5454]
[ 256.864364][ T5454] dump_stack_lvl+0x188/0x250
[ 256.869099][ T5454] ? show_regs_print_info+0x20/0x20
[ 256.874434][ T5454] ? load_image+0x400/0x400
[ 256.879042][ T5454] sysfs_create_dir_ns+0x26a/0x290
[ 256.884316][ T5454] ? sysfs_warn_dup+0xa0/0xa0
[ 256.889048][ T5454] ? do_raw_spin_unlock+0x11d/0x230
[ 256.894393][ T5454] kobject_add_internal+0x6e0/0xd90
[ 256.899862][ T5454] kobject_init_and_add+0x128/0x190
[ 256.905122][ T5454] ? lockdep_softirqs_off+0x430/0x430
[ 256.910569][ T5454] ? kobject_add+0x230/0x230
[ 256.915218][ T5454] ? __init_swait_queue_head+0xa5/0x150
[ 256.920824][ T5454] gfs2_sys_fs_add+0x24f/0x4b0
[ 256.925640][ T5454] ? gfs2_recover_set+0x240/0x240
[ 256.930716][ T5454] ? snprintf+0xe5/0x140
[ 256.935008][ T5454] ? __free_pages+0x95/0x1a0
[ 256.939827][ T5454] ? vscnprintf+0x80/0x80
[ 256.944208][ T5454] gfs2_fill_super+0x120f/0x1f00
[ 256.949206][ T5454] ? gfs2_reconfigure+0xd30/0xd30
[ 256.954296][ T5454] ? sb_set_blocksize+0xa5/0xe0
[ 256.959188][ T5454] get_tree_bdev+0x3f1/0x610
[ 256.963822][ T5454] ? gfs2_reconfigure+0xd30/0xd30
[ 256.968998][ T5454] gfs2_get_tree+0x4d/0x1e0
[ 256.973548][ T5454] vfs_get_tree+0x88/0x270
[ 256.978014][ T5454] do_new_mount+0x24a/0xa40
[ 256.982716][ T5454] __se_sys_mount+0x2e3/0x3d0
[ 256.987573][ T5454] ? __x64_sys_mount+0xc0/0xc0
[ 256.992390][ T5454] ? lockdep_hardirqs_on+0x94/0x140
[ 256.997638][ T5454] ? __x64_sys_mount+0x1c/0xc0
[ 257.002446][ T5454] do_syscall_64+0x4c/0xa0
[ 257.006899][ T5454] ? clear_bhb_loop+0x30/0x80
[ 257.011617][ T5454] ? clear_bhb_loop+0x30/0x80
[ 257.016334][ T5454] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.022275][ T5454] RIP: 0033:0x7f9111f4590a
[ 257.026732][ T5454] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 257.046593][ T5454] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.055296][ T5454] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 257.063305][ T5454] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 257.071311][ T5454] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 257.079410][ T5454] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 257.087437][ T5454] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 257.095556][ T5454]
[ 257.105297][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.121895][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.389482][ T5456] loop1: detected capacity change from 0 to 32768
[ 257.482172][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.490800][ T5456] CPU: 1 PID: 5456 Comm: syz.1.189 Not tainted syzkaller #0
[ 257.498154][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 257.508477][ T5456] Call Trace:
[ 257.511830][ T5456]
[ 257.514802][ T5456] dump_stack_lvl+0x188/0x250
[ 257.519553][ T5456] ? show_regs_print_info+0x20/0x20
[ 257.524886][ T5456] ? load_image+0x400/0x400
[ 257.529447][ T5456] sysfs_create_dir_ns+0x26a/0x290
[ 257.534651][ T5456] ? sysfs_warn_dup+0xa0/0xa0
[ 257.539378][ T5456] ? do_raw_spin_unlock+0x11d/0x230
[ 257.544630][ T5456] kobject_add_internal+0x6e0/0xd90
[ 257.549886][ T5456] kobject_init_and_add+0x128/0x190
[ 257.555137][ T5456] ? lockdep_softirqs_off+0x430/0x430
[ 257.560577][ T5456] ? kobject_add+0x230/0x230
[ 257.565321][ T5456] ? __init_swait_queue_head+0xa5/0x150
[ 257.571106][ T5456] gfs2_sys_fs_add+0x24f/0x4b0
[ 257.576040][ T5456] ? gfs2_recover_set+0x240/0x240
[ 257.581211][ T5456] ? snprintf+0xe5/0x140
[ 257.585499][ T5456] ? __free_pages+0x95/0x1a0
[ 257.590144][ T5456] ? vscnprintf+0x80/0x80
[ 257.594529][ T5456] gfs2_fill_super+0x120f/0x1f00
[ 257.599607][ T5456] ? gfs2_reconfigure+0xd30/0xd30
[ 257.604690][ T5456] ? sb_set_blocksize+0xa5/0xe0
[ 257.609580][ T5456] get_tree_bdev+0x3f1/0x610
[ 257.614218][ T5456] ? gfs2_reconfigure+0xd30/0xd30
[ 257.619283][ T5456] gfs2_get_tree+0x4d/0x1e0
[ 257.623825][ T5456] vfs_get_tree+0x88/0x270
[ 257.628374][ T5456] do_new_mount+0x24a/0xa40
[ 257.632959][ T5456] __se_sys_mount+0x2e3/0x3d0
[ 257.637687][ T5456] ? __x64_sys_mount+0xc0/0xc0
[ 257.642502][ T5456] ? lockdep_hardirqs_on+0x94/0x140
[ 257.647734][ T5456] ? __x64_sys_mount+0x1c/0xc0
[ 257.652514][ T5456] do_syscall_64+0x4c/0xa0
[ 257.656939][ T5456] ? clear_bhb_loop+0x30/0x80
[ 257.661640][ T5456] ? clear_bhb_loop+0x30/0x80
[ 257.666318][ T5456] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.672215][ T5456] RIP: 0033:0x7f9111f4590a
[ 257.676632][ T5456] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 257.696249][ T5456] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.704759][ T5456] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 257.712736][ T5456] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 257.720714][ T5456] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 257.728706][ T5456] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 257.736682][ T5456] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 257.744670][ T5456]
[ 257.756180][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.769500][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.141285][ T5458] loop1: detected capacity change from 0 to 32768
[ 258.190940][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.205651][ T5458] CPU: 0 PID: 5458 Comm: syz.1.190 Not tainted syzkaller #0
[ 258.213091][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 258.223181][ T5458] Call Trace:
[ 258.226585][ T5458]
[ 258.229556][ T5458] dump_stack_lvl+0x188/0x250
[ 258.234280][ T5458] ? show_regs_print_info+0x20/0x20
[ 258.239523][ T5458] ? load_image+0x400/0x400
[ 258.244082][ T5458] sysfs_create_dir_ns+0x26a/0x290
[ 258.249246][ T5458] ? sysfs_warn_dup+0xa0/0xa0
[ 258.253998][ T5458] ? do_raw_spin_unlock+0x11d/0x230
[ 258.259255][ T5458] kobject_add_internal+0x6e0/0xd90
[ 258.264510][ T5458] kobject_init_and_add+0x128/0x190
[ 258.269745][ T5458] ? lockdep_softirqs_off+0x430/0x430
[ 258.275173][ T5458] ? kobject_add+0x230/0x230
[ 258.279825][ T5458] ? __init_swait_queue_head+0xa5/0x150
[ 258.285557][ T5458] gfs2_sys_fs_add+0x24f/0x4b0
[ 258.290372][ T5458] ? gfs2_recover_set+0x240/0x240
[ 258.295467][ T5458] ? snprintf+0xe5/0x140
[ 258.299753][ T5458] ? __free_pages+0x95/0x1a0
[ 258.304395][ T5458] ? vscnprintf+0x80/0x80
[ 258.308996][ T5458] gfs2_fill_super+0x120f/0x1f00
[ 258.313999][ T5458] ? gfs2_reconfigure+0xd30/0xd30
[ 258.319101][ T5458] ? sb_set_blocksize+0xa5/0xe0
[ 258.323994][ T5458] get_tree_bdev+0x3f1/0x610
[ 258.328636][ T5458] ? gfs2_reconfigure+0xd30/0xd30
[ 258.333717][ T5458] gfs2_get_tree+0x4d/0x1e0
[ 258.338277][ T5458] vfs_get_tree+0x88/0x270
[ 258.342739][ T5458] do_new_mount+0x24a/0xa40
[ 258.347294][ T5458] __se_sys_mount+0x2e3/0x3d0
[ 258.352026][ T5458] ? __x64_sys_mount+0xc0/0xc0
[ 258.356841][ T5458] ? lockdep_hardirqs_on+0x94/0x140
[ 258.362086][ T5458] ? __x64_sys_mount+0x1c/0xc0
[ 258.366891][ T5458] do_syscall_64+0x4c/0xa0
[ 258.371356][ T5458] ? clear_bhb_loop+0x30/0x80
[ 258.376069][ T5458] ? clear_bhb_loop+0x30/0x80
[ 258.380878][ T5458] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.386981][ T5458] RIP: 0033:0x7f9111f4590a
[ 258.391426][ T5458] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 258.411162][ T5458] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.419620][ T5458] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 258.427632][ T5458] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 258.435650][ T5458] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 258.443669][ T5458] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 258.451685][ T5458] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 258.459714][ T5458]
[ 258.465437][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.481501][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.784390][ T5460] loop1: detected capacity change from 0 to 32768
[ 258.862728][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.871207][ T5460] CPU: 1 PID: 5460 Comm: syz.1.191 Not tainted syzkaller #0
[ 258.878553][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 258.888693][ T5460] Call Trace:
[ 258.892009][ T5460]
[ 258.894985][ T5460] dump_stack_lvl+0x188/0x250
[ 258.899716][ T5460] ? show_regs_print_info+0x20/0x20
[ 258.904961][ T5460] ? load_image+0x400/0x400
[ 258.909532][ T5460] sysfs_create_dir_ns+0x26a/0x290
[ 258.914686][ T5460] ? sysfs_warn_dup+0xa0/0xa0
[ 258.919437][ T5460] ? do_raw_spin_unlock+0x11d/0x230
[ 258.924682][ T5460] kobject_add_internal+0x6e0/0xd90
[ 258.929930][ T5460] kobject_init_and_add+0x128/0x190
[ 258.935169][ T5460] ? lockdep_softirqs_off+0x430/0x430
[ 258.940581][ T5460] ? kobject_add+0x230/0x230
[ 258.945214][ T5460] ? __init_swait_queue_head+0xa5/0x150
[ 258.950821][ T5460] gfs2_sys_fs_add+0x24f/0x4b0
[ 258.955633][ T5460] ? gfs2_recover_set+0x240/0x240
[ 258.960707][ T5460] ? snprintf+0xe5/0x140
[ 258.964988][ T5460] ? __free_pages+0x95/0x1a0
[ 258.969646][ T5460] ? vscnprintf+0x80/0x80
[ 258.974051][ T5460] gfs2_fill_super+0x120f/0x1f00
[ 258.979089][ T5460] ? gfs2_reconfigure+0xd30/0xd30
[ 258.984182][ T5460] ? sb_set_blocksize+0xa5/0xe0
[ 258.989067][ T5460] get_tree_bdev+0x3f1/0x610
[ 258.993700][ T5460] ? gfs2_reconfigure+0xd30/0xd30
[ 258.998760][ T5460] gfs2_get_tree+0x4d/0x1e0
[ 259.003302][ T5460] vfs_get_tree+0x88/0x270
[ 259.007758][ T5460] do_new_mount+0x24a/0xa40
[ 259.012296][ T5460] __se_sys_mount+0x2e3/0x3d0
[ 259.017201][ T5460] ? __x64_sys_mount+0xc0/0xc0
[ 259.022003][ T5460] ? lockdep_hardirqs_on+0x94/0x140
[ 259.027256][ T5460] ? __x64_sys_mount+0x1c/0xc0
[ 259.032061][ T5460] do_syscall_64+0x4c/0xa0
[ 259.036495][ T5460] ? clear_bhb_loop+0x30/0x80
[ 259.041181][ T5460] ? clear_bhb_loop+0x30/0x80
[ 259.045887][ T5460] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.051809][ T5460] RIP: 0033:0x7f9111f4590a
[ 259.056233][ T5460] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 259.075854][ T5460] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.084284][ T5460] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 259.092266][ T5460] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 259.100345][ T5460] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 259.108341][ T5460] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 259.116321][ T5460] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 259.124425][ T5460]
[ 259.128023][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.141230][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.520500][ T5462] loop1: detected capacity change from 0 to 32768
[ 259.568053][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.577121][ T5462] CPU: 1 PID: 5462 Comm: syz.1.192 Not tainted syzkaller #0
[ 259.584477][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 259.594589][ T5462] Call Trace:
[ 259.597926][ T5462]
[ 259.600998][ T5462] dump_stack_lvl+0x188/0x250
[ 259.605734][ T5462] ? show_regs_print_info+0x20/0x20
[ 259.610987][ T5462] ? load_image+0x400/0x400
[ 259.615562][ T5462] sysfs_create_dir_ns+0x26a/0x290
[ 259.620730][ T5462] ? sysfs_warn_dup+0xa0/0xa0
[ 259.625472][ T5462] ? do_raw_spin_unlock+0x11d/0x230
[ 259.630730][ T5462] kobject_add_internal+0x6e0/0xd90
[ 259.635994][ T5462] kobject_init_and_add+0x128/0x190
[ 259.641242][ T5462] ? lockdep_softirqs_off+0x430/0x430
[ 259.646671][ T5462] ? kobject_add+0x230/0x230
[ 259.651320][ T5462] ? __init_swait_queue_head+0xa5/0x150
[ 259.656932][ T5462] gfs2_sys_fs_add+0x24f/0x4b0
[ 259.661754][ T5462] ? gfs2_recover_set+0x240/0x240
[ 259.666874][ T5462] ? snprintf+0xe5/0x140
[ 259.671189][ T5462] ? __free_pages+0x95/0x1a0
[ 259.676107][ T5462] ? vscnprintf+0x80/0x80
[ 259.680511][ T5462] gfs2_fill_super+0x120f/0x1f00
[ 259.685608][ T5462] ? gfs2_reconfigure+0xd30/0xd30
[ 259.690694][ T5462] ? sb_set_blocksize+0xa5/0xe0
[ 259.695588][ T5462] get_tree_bdev+0x3f1/0x610
[ 259.700237][ T5462] ? gfs2_reconfigure+0xd30/0xd30
[ 259.705299][ T5462] gfs2_get_tree+0x4d/0x1e0
[ 259.709843][ T5462] vfs_get_tree+0x88/0x270
[ 259.714305][ T5462] do_new_mount+0x24a/0xa40
[ 259.718850][ T5462] __se_sys_mount+0x2e3/0x3d0
[ 259.723571][ T5462] ? __x64_sys_mount+0xc0/0xc0
[ 259.728480][ T5462] ? lockdep_hardirqs_on+0x94/0x140
[ 259.733810][ T5462] ? __x64_sys_mount+0x1c/0xc0
[ 259.738898][ T5462] do_syscall_64+0x4c/0xa0
[ 259.743455][ T5462] ? clear_bhb_loop+0x30/0x80
[ 259.748181][ T5462] ? clear_bhb_loop+0x30/0x80
[ 259.753251][ T5462] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.759233][ T5462] RIP: 0033:0x7f9111f4590a
[ 259.763961][ T5462] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 259.784397][ T5462] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.792857][ T5462] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 259.800874][ T5462] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 259.808887][ T5462] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 259.817073][ T5462] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 259.825081][ T5462] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 259.833199][ T5462]
[ 259.840810][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.862302][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.145077][ T5464] loop1: detected capacity change from 0 to 32768
[ 260.212284][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.219856][ T5464] CPU: 1 PID: 5464 Comm: syz.1.193 Not tainted syzkaller #0
[ 260.227191][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 260.237289][ T5464] Call Trace:
[ 260.240612][ T5464]
[ 260.243581][ T5464] dump_stack_lvl+0x188/0x250
[ 260.248305][ T5464] ? show_regs_print_info+0x20/0x20
[ 260.253551][ T5464] ? load_image+0x400/0x400
[ 260.258105][ T5464] sysfs_create_dir_ns+0x26a/0x290
[ 260.263266][ T5464] ? sysfs_warn_dup+0xa0/0xa0
[ 260.268095][ T5464] ? do_raw_spin_unlock+0x11d/0x230
[ 260.273353][ T5464] kobject_add_internal+0x6e0/0xd90
[ 260.278611][ T5464] kobject_init_and_add+0x128/0x190
[ 260.283855][ T5464] ? lockdep_softirqs_off+0x430/0x430
[ 260.289285][ T5464] ? kobject_add+0x230/0x230
[ 260.293934][ T5464] ? __init_swait_queue_head+0xa5/0x150
[ 260.299708][ T5464] gfs2_sys_fs_add+0x24f/0x4b0
[ 260.304530][ T5464] ? gfs2_recover_set+0x240/0x240
[ 260.309593][ T5464] ? snprintf+0xe5/0x140
[ 260.313869][ T5464] ? __free_pages+0x95/0x1a0
[ 260.318649][ T5464] ? vscnprintf+0x80/0x80
[ 260.323032][ T5464] gfs2_fill_super+0x120f/0x1f00
[ 260.328190][ T5464] ? gfs2_reconfigure+0xd30/0xd30
[ 260.333282][ T5464] ? sb_set_blocksize+0xa5/0xe0
[ 260.338170][ T5464] get_tree_bdev+0x3f1/0x610
[ 260.342804][ T5464] ? gfs2_reconfigure+0xd30/0xd30
[ 260.347865][ T5464] gfs2_get_tree+0x4d/0x1e0
[ 260.352410][ T5464] vfs_get_tree+0x88/0x270
[ 260.356866][ T5464] do_new_mount+0x24a/0xa40
[ 260.361419][ T5464] __se_sys_mount+0x2e3/0x3d0
[ 260.366144][ T5464] ? __x64_sys_mount+0xc0/0xc0
[ 260.370990][ T5464] ? lockdep_hardirqs_on+0x94/0x140
[ 260.376236][ T5464] ? __x64_sys_mount+0x1c/0xc0
[ 260.381043][ T5464] do_syscall_64+0x4c/0xa0
[ 260.385496][ T5464] ? clear_bhb_loop+0x30/0x80
[ 260.390472][ T5464] ? clear_bhb_loop+0x30/0x80
[ 260.395193][ T5464] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.401158][ T5464] RIP: 0033:0x7f9111f4590a
[ 260.405624][ T5464] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 260.425623][ T5464] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.434086][ T5464] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 260.442364][ T5464] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 260.452120][ T5464] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 260.460141][ T5464] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 260.468241][ T5464] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 260.476285][ T5464]
[ 260.484262][ T5464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.497983][ T5464] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:58:09 executed programs: 179
[ 260.830799][ T5466] loop1: detected capacity change from 0 to 32768
[ 260.884715][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.905916][ T5466] CPU: 1 PID: 5466 Comm: syz.1.194 Not tainted syzkaller #0
[ 260.913278][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 260.923383][ T5466] Call Trace:
[ 260.926902][ T5466]
[ 260.929898][ T5466] dump_stack_lvl+0x188/0x250
[ 260.934628][ T5466] ? show_regs_print_info+0x20/0x20
[ 260.939989][ T5466] ? load_image+0x400/0x400
[ 260.944654][ T5466] sysfs_create_dir_ns+0x26a/0x290
[ 260.949810][ T5466] ? sysfs_warn_dup+0xa0/0xa0
[ 260.954660][ T5466] ? do_raw_spin_unlock+0x11d/0x230
[ 260.959910][ T5466] kobject_add_internal+0x6e0/0xd90
[ 260.965207][ T5466] kobject_init_and_add+0x128/0x190
[ 260.970555][ T5466] ? lockdep_softirqs_off+0x430/0x430
[ 260.975981][ T5466] ? kobject_add+0x230/0x230
[ 260.980628][ T5466] ? __init_swait_queue_head+0xa5/0x150
[ 260.986225][ T5466] gfs2_sys_fs_add+0x24f/0x4b0
[ 260.991035][ T5466] ? gfs2_recover_set+0x240/0x240
[ 260.996112][ T5466] ? snprintf+0xe5/0x140
[ 261.000387][ T5466] ? __free_pages+0x95/0x1a0
[ 261.005014][ T5466] ? vscnprintf+0x80/0x80
[ 261.009397][ T5466] gfs2_fill_super+0x120f/0x1f00
[ 261.014624][ T5466] ? gfs2_reconfigure+0xd30/0xd30
[ 261.019721][ T5466] ? sb_set_blocksize+0xa5/0xe0
[ 261.024617][ T5466] get_tree_bdev+0x3f1/0x610
[ 261.029253][ T5466] ? gfs2_reconfigure+0xd30/0xd30
[ 261.034419][ T5466] gfs2_get_tree+0x4d/0x1e0
[ 261.038973][ T5466] vfs_get_tree+0x88/0x270
[ 261.043438][ T5466] do_new_mount+0x24a/0xa40
[ 261.047985][ T5466] __se_sys_mount+0x2e3/0x3d0
[ 261.052708][ T5466] ? __x64_sys_mount+0xc0/0xc0
[ 261.057521][ T5466] ? lockdep_hardirqs_on+0x94/0x140
[ 261.062767][ T5466] ? __x64_sys_mount+0x1c/0xc0
[ 261.067588][ T5466] do_syscall_64+0x4c/0xa0
[ 261.072057][ T5466] ? clear_bhb_loop+0x30/0x80
[ 261.076781][ T5466] ? clear_bhb_loop+0x30/0x80
[ 261.081510][ T5466] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 261.087450][ T5466] RIP: 0033:0x7f9111f4590a
[ 261.091907][ T5466] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 261.111645][ T5466] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.120192][ T5466] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 261.128296][ T5466] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 261.136306][ T5466] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 261.144324][ T5466] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 261.152429][ T5466] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 261.160461][ T5466]
[ 261.168722][ T5466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.182222][ T5466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.492633][ T5468] loop1: detected capacity change from 0 to 32768
[ 261.548431][ T5468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.556005][ T5468] CPU: 1 PID: 5468 Comm: syz.1.195 Not tainted syzkaller #0
[ 261.563325][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 261.573427][ T5468] Call Trace:
[ 261.576855][ T5468]
[ 261.579823][ T5468] dump_stack_lvl+0x188/0x250
[ 261.584547][ T5468] ? show_regs_print_info+0x20/0x20
[ 261.589991][ T5468] ? load_image+0x400/0x400
[ 261.594559][ T5468] sysfs_create_dir_ns+0x26a/0x290
[ 261.599716][ T5468] ? sysfs_warn_dup+0xa0/0xa0
[ 261.604448][ T5468] ? do_raw_spin_unlock+0x11d/0x230
[ 261.609693][ T5468] kobject_add_internal+0x6e0/0xd90
[ 261.614946][ T5468] kobject_init_and_add+0x128/0x190
[ 261.620184][ T5468] ? lockdep_softirqs_off+0x430/0x430
[ 261.625604][ T5468] ? kobject_add+0x230/0x230
[ 261.630245][ T5468] ? __init_swait_queue_head+0xa5/0x150
[ 261.635856][ T5468] gfs2_sys_fs_add+0x24f/0x4b0
[ 261.640699][ T5468] ? gfs2_recover_set+0x240/0x240
[ 261.645762][ T5468] ? snprintf+0xe5/0x140
[ 261.650045][ T5468] ? __free_pages+0x95/0x1a0
[ 261.654680][ T5468] ? vscnprintf+0x80/0x80
[ 261.659055][ T5468] gfs2_fill_super+0x120f/0x1f00
[ 261.664146][ T5468] ? gfs2_reconfigure+0xd30/0xd30
[ 261.669353][ T5468] ? sb_set_blocksize+0xa5/0xe0
[ 261.674248][ T5468] get_tree_bdev+0x3f1/0x610
[ 261.678902][ T5468] ? gfs2_reconfigure+0xd30/0xd30
[ 261.684112][ T5468] gfs2_get_tree+0x4d/0x1e0
[ 261.688758][ T5468] vfs_get_tree+0x88/0x270
[ 261.693221][ T5468] do_new_mount+0x24a/0xa40
[ 261.697846][ T5468] __se_sys_mount+0x2e3/0x3d0
[ 261.702567][ T5468] ? __x64_sys_mount+0xc0/0xc0
[ 261.707369][ T5468] ? lockdep_hardirqs_on+0x94/0x140
[ 261.712706][ T5468] ? __x64_sys_mount+0x1c/0xc0
[ 261.717514][ T5468] do_syscall_64+0x4c/0xa0
[ 261.721970][ T5468] ? clear_bhb_loop+0x30/0x80
[ 261.726683][ T5468] ? clear_bhb_loop+0x30/0x80
[ 261.731406][ T5468] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 261.737346][ T5468] RIP: 0033:0x7f9111f4590a
[ 261.741792][ T5468] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 261.761700][ T5468] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.770156][ T5468] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 261.778172][ T5468] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 261.786184][ T5468] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 261.794198][ T5468] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 261.802310][ T5468] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 261.810422][ T5468]
[ 261.818071][ T5468] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.832003][ T5468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.108417][ T5470] loop1: detected capacity change from 0 to 32768
[ 262.161933][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.169495][ T5470] CPU: 1 PID: 5470 Comm: syz.1.196 Not tainted syzkaller #0
[ 262.176991][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 262.187084][ T5470] Call Trace:
[ 262.190401][ T5470]
[ 262.193364][ T5470] dump_stack_lvl+0x188/0x250
[ 262.198086][ T5470] ? show_regs_print_info+0x20/0x20
[ 262.203328][ T5470] ? load_image+0x400/0x400
[ 262.207887][ T5470] sysfs_create_dir_ns+0x26a/0x290
[ 262.213076][ T5470] ? sysfs_warn_dup+0xa0/0xa0
[ 262.217799][ T5470] ? do_raw_spin_unlock+0x11d/0x230
[ 262.223065][ T5470] kobject_add_internal+0x6e0/0xd90
[ 262.228320][ T5470] kobject_init_and_add+0x128/0x190
[ 262.233574][ T5470] ? lockdep_softirqs_off+0x430/0x430
[ 262.238997][ T5470] ? kobject_add+0x230/0x230
[ 262.243644][ T5470] ? __init_swait_queue_head+0xa5/0x150
[ 262.249326][ T5470] gfs2_sys_fs_add+0x24f/0x4b0
[ 262.254331][ T5470] ? gfs2_recover_set+0x240/0x240
[ 262.259413][ T5470] ? snprintf+0xe5/0x140
[ 262.263706][ T5470] ? __free_pages+0x95/0x1a0
[ 262.268346][ T5470] ? vscnprintf+0x80/0x80
[ 262.272819][ T5470] gfs2_fill_super+0x120f/0x1f00
[ 262.277827][ T5470] ? gfs2_reconfigure+0xd30/0xd30
[ 262.283030][ T5470] ? sb_set_blocksize+0xa5/0xe0
[ 262.287924][ T5470] get_tree_bdev+0x3f1/0x610
[ 262.292606][ T5470] ? gfs2_reconfigure+0xd30/0xd30
[ 262.297679][ T5470] gfs2_get_tree+0x4d/0x1e0
[ 262.302254][ T5470] vfs_get_tree+0x88/0x270
[ 262.306720][ T5470] do_new_mount+0x24a/0xa40
[ 262.311378][ T5470] __se_sys_mount+0x2e3/0x3d0
[ 262.316098][ T5470] ? __x64_sys_mount+0xc0/0xc0
[ 262.320907][ T5470] ? lockdep_hardirqs_on+0x94/0x140
[ 262.326150][ T5470] ? __x64_sys_mount+0x1c/0xc0
[ 262.330961][ T5470] do_syscall_64+0x4c/0xa0
[ 262.335503][ T5470] ? clear_bhb_loop+0x30/0x80
[ 262.340219][ T5470] ? clear_bhb_loop+0x30/0x80
[ 262.344986][ T5470] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.350921][ T5470] RIP: 0033:0x7f9111f4590a
[ 262.355376][ T5470] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 262.375020][ T5470] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.383492][ T5470] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 262.391511][ T5470] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 262.399656][ T5470] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 262.407714][ T5470] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 262.415743][ T5470] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 262.423770][ T5470]
[ 262.430566][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.445208][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.719468][ T5472] loop1: detected capacity change from 0 to 32768
[ 262.779832][ T5472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.787270][ T5472] CPU: 0 PID: 5472 Comm: syz.1.197 Not tainted syzkaller #0
[ 262.794611][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 262.804812][ T5472] Call Trace:
[ 262.808134][ T5472]
[ 262.811541][ T5472] dump_stack_lvl+0x188/0x250
[ 262.816358][ T5472] ? show_regs_print_info+0x20/0x20
[ 262.821609][ T5472] ? load_image+0x400/0x400
[ 262.826176][ T5472] sysfs_create_dir_ns+0x26a/0x290
[ 262.831438][ T5472] ? sysfs_warn_dup+0xa0/0xa0
[ 262.836161][ T5472] ? do_raw_spin_unlock+0x11d/0x230
[ 262.841415][ T5472] kobject_add_internal+0x6e0/0xd90
[ 262.846660][ T5472] kobject_init_and_add+0x128/0x190
[ 262.851899][ T5472] ? lockdep_softirqs_off+0x430/0x430
[ 262.857323][ T5472] ? kobject_add+0x230/0x230
[ 262.861964][ T5472] ? __init_swait_queue_head+0xa5/0x150
[ 262.867657][ T5472] gfs2_sys_fs_add+0x24f/0x4b0
[ 262.872470][ T5472] ? gfs2_recover_set+0x240/0x240
[ 262.877540][ T5472] ? snprintf+0xe5/0x140
[ 262.881831][ T5472] ? __free_pages+0x95/0x1a0
[ 262.886639][ T5472] ? vscnprintf+0x80/0x80
[ 262.891018][ T5472] gfs2_fill_super+0x120f/0x1f00
[ 262.896006][ T5472] ? gfs2_reconfigure+0xd30/0xd30
[ 262.901090][ T5472] ? sb_set_blocksize+0xa5/0xe0
[ 262.905989][ T5472] get_tree_bdev+0x3f1/0x610
[ 262.910619][ T5472] ? gfs2_reconfigure+0xd30/0xd30
[ 262.915684][ T5472] gfs2_get_tree+0x4d/0x1e0
[ 262.920226][ T5472] vfs_get_tree+0x88/0x270
[ 262.924700][ T5472] do_new_mount+0x24a/0xa40
[ 262.929293][ T5472] __se_sys_mount+0x2e3/0x3d0
[ 262.934015][ T5472] ? __x64_sys_mount+0xc0/0xc0
[ 262.938909][ T5472] ? lockdep_hardirqs_on+0x94/0x140
[ 262.944142][ T5472] ? __x64_sys_mount+0x1c/0xc0
[ 262.948948][ T5472] do_syscall_64+0x4c/0xa0
[ 262.953403][ T5472] ? clear_bhb_loop+0x30/0x80
[ 262.958115][ T5472] ? clear_bhb_loop+0x30/0x80
[ 262.962839][ T5472] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.968769][ T5472] RIP: 0033:0x7f9111f4590a
[ 262.973218][ T5472] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 262.993181][ T5472] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.001659][ T5472] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 263.009790][ T5472] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 263.017926][ T5472] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 263.025949][ T5472] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 263.034112][ T5472] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 263.042243][ T5472]
[ 263.048373][ T4255] Bluetooth: hci1: command 0x0406 tx timeout
[ 263.062064][ T5472] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.075720][ T5472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.452494][ T5474] loop1: detected capacity change from 0 to 32768
[ 263.529814][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.539479][ T5474] CPU: 1 PID: 5474 Comm: syz.1.198 Not tainted syzkaller #0
[ 263.546918][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 263.557024][ T5474] Call Trace:
[ 263.560346][ T5474]
[ 263.563324][ T5474] dump_stack_lvl+0x188/0x250
[ 263.568040][ T5474] ? show_regs_print_info+0x20/0x20
[ 263.573322][ T5474] ? load_image+0x400/0x400
[ 263.577883][ T5474] sysfs_create_dir_ns+0x26a/0x290
[ 263.583040][ T5474] ? sysfs_warn_dup+0xa0/0xa0
[ 263.587770][ T5474] ? do_raw_spin_unlock+0x11d/0x230
[ 263.593017][ T5474] kobject_add_internal+0x6e0/0xd90
[ 263.598356][ T5474] kobject_init_and_add+0x128/0x190
[ 263.603606][ T5474] ? lockdep_softirqs_off+0x430/0x430
[ 263.609028][ T5474] ? kobject_add+0x230/0x230
[ 263.613699][ T5474] ? __init_swait_queue_head+0xa5/0x150
[ 263.619298][ T5474] gfs2_sys_fs_add+0x24f/0x4b0
[ 263.624102][ T5474] ? gfs2_recover_set+0x240/0x240
[ 263.629165][ T5474] ? snprintf+0xe5/0x140
[ 263.633447][ T5474] ? __free_pages+0x95/0x1a0
[ 263.638076][ T5474] ? vscnprintf+0x80/0x80
[ 263.642454][ T5474] gfs2_fill_super+0x120f/0x1f00
[ 263.647545][ T5474] ? gfs2_reconfigure+0xd30/0xd30
[ 263.652626][ T5474] ? sb_set_blocksize+0xa5/0xe0
[ 263.657604][ T5474] get_tree_bdev+0x3f1/0x610
[ 263.662281][ T5474] ? gfs2_reconfigure+0xd30/0xd30
[ 263.667358][ T5474] gfs2_get_tree+0x4d/0x1e0
[ 263.671909][ T5474] vfs_get_tree+0x88/0x270
[ 263.676383][ T5474] do_new_mount+0x24a/0xa40
[ 263.680936][ T5474] __se_sys_mount+0x2e3/0x3d0
[ 263.685668][ T5474] ? __x64_sys_mount+0xc0/0xc0
[ 263.690482][ T5474] ? lockdep_hardirqs_on+0x94/0x140
[ 263.695809][ T5474] ? __x64_sys_mount+0x1c/0xc0
[ 263.700616][ T5474] do_syscall_64+0x4c/0xa0
[ 263.705072][ T5474] ? clear_bhb_loop+0x30/0x80
[ 263.709790][ T5474] ? clear_bhb_loop+0x30/0x80
[ 263.714505][ T5474] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 263.720438][ T5474] RIP: 0033:0x7f9111f4590a
[ 263.724893][ T5474] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 263.744709][ T5474] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.753254][ T5474] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 263.761270][ T5474] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 263.769291][ T5474] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 263.777299][ T5474] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 263.785303][ T5474] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 263.793339][ T5474]
[ 263.799341][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.813380][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.209201][ T5476] loop1: detected capacity change from 0 to 32768
[ 264.259266][ T5476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.266807][ T5476] CPU: 1 PID: 5476 Comm: syz.1.199 Not tainted syzkaller #0
[ 264.274163][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 264.284260][ T5476] Call Trace:
[ 264.287763][ T5476]
[ 264.290729][ T5476] dump_stack_lvl+0x188/0x250
[ 264.295613][ T5476] ? show_regs_print_info+0x20/0x20
[ 264.300867][ T5476] ? load_image+0x400/0x400
[ 264.305543][ T5476] sysfs_create_dir_ns+0x26a/0x290
[ 264.310717][ T5476] ? sysfs_warn_dup+0xa0/0xa0
[ 264.315691][ T5476] ? do_raw_spin_unlock+0x11d/0x230
[ 264.320959][ T5476] kobject_add_internal+0x6e0/0xd90
[ 264.326221][ T5476] kobject_init_and_add+0x128/0x190
[ 264.331478][ T5476] ? lockdep_softirqs_off+0x430/0x430
[ 264.336904][ T5476] ? kobject_add+0x230/0x230
[ 264.341542][ T5476] ? __init_swait_queue_head+0xa5/0x150
[ 264.347210][ T5476] gfs2_sys_fs_add+0x24f/0x4b0
[ 264.352113][ T5476] ? gfs2_recover_set+0x240/0x240
[ 264.357178][ T5476] ? snprintf+0xe5/0x140
[ 264.361461][ T5476] ? __free_pages+0x95/0x1a0
[ 264.366094][ T5476] ? vscnprintf+0x80/0x80
[ 264.370469][ T5476] gfs2_fill_super+0x120f/0x1f00
[ 264.375493][ T5476] ? gfs2_reconfigure+0xd30/0xd30
[ 264.380598][ T5476] ? sb_set_blocksize+0xa5/0xe0
[ 264.385490][ T5476] get_tree_bdev+0x3f1/0x610
[ 264.390133][ T5476] ? gfs2_reconfigure+0xd30/0xd30
[ 264.395239][ T5476] gfs2_get_tree+0x4d/0x1e0
[ 264.399792][ T5476] vfs_get_tree+0x88/0x270
[ 264.404360][ T5476] do_new_mount+0x24a/0xa40
[ 264.408919][ T5476] __se_sys_mount+0x2e3/0x3d0
[ 264.413651][ T5476] ? __x64_sys_mount+0xc0/0xc0
[ 264.418465][ T5476] ? lockdep_hardirqs_on+0x94/0x140
[ 264.423700][ T5476] ? __x64_sys_mount+0x1c/0xc0
[ 264.428557][ T5476] do_syscall_64+0x4c/0xa0
[ 264.433032][ T5476] ? clear_bhb_loop+0x30/0x80
[ 264.437838][ T5476] ? clear_bhb_loop+0x30/0x80
[ 264.442670][ T5476] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.448633][ T5476] RIP: 0033:0x7f9111f4590a
[ 264.453090][ T5476] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 264.472906][ T5476] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.481370][ T5476] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 264.489391][ T5476] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 264.497403][ T5476] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 264.505416][ T5476] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 264.513461][ T5476] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 264.521503][ T5476]
[ 264.527914][ T5476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.541504][ T5476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.927980][ T5478] loop1: detected capacity change from 0 to 32768
[ 264.987423][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.994966][ T5478] CPU: 0 PID: 5478 Comm: syz.1.200 Not tainted syzkaller #0
[ 265.002289][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 265.012522][ T5478] Call Trace:
[ 265.015838][ T5478]
[ 265.018807][ T5478] dump_stack_lvl+0x188/0x250
[ 265.023535][ T5478] ? show_regs_print_info+0x20/0x20
[ 265.028788][ T5478] ? load_image+0x400/0x400
[ 265.033477][ T5478] sysfs_create_dir_ns+0x26a/0x290
[ 265.038671][ T5478] ? sysfs_warn_dup+0xa0/0xa0
[ 265.043518][ T5478] ? do_raw_spin_unlock+0x11d/0x230
[ 265.048771][ T5478] kobject_add_internal+0x6e0/0xd90
[ 265.054046][ T5478] kobject_init_and_add+0x128/0x190
[ 265.059310][ T5478] ? lockdep_softirqs_off+0x430/0x430
[ 265.064750][ T5478] ? kobject_add+0x230/0x230
[ 265.069399][ T5478] ? __init_swait_queue_head+0xa5/0x150
[ 265.075007][ T5478] gfs2_sys_fs_add+0x24f/0x4b0
[ 265.079940][ T5478] ? gfs2_recover_set+0x240/0x240
[ 265.085031][ T5478] ? snprintf+0xe5/0x140
[ 265.089429][ T5478] ? __free_pages+0x95/0x1a0
[ 265.094098][ T5478] ? vscnprintf+0x80/0x80
[ 265.098499][ T5478] gfs2_fill_super+0x120f/0x1f00
[ 265.103497][ T5478] ? gfs2_reconfigure+0xd30/0xd30
[ 265.108593][ T5478] ? sb_set_blocksize+0xa5/0xe0
[ 265.113514][ T5478] get_tree_bdev+0x3f1/0x610
[ 265.118150][ T5478] ? gfs2_reconfigure+0xd30/0xd30
[ 265.123228][ T5478] gfs2_get_tree+0x4d/0x1e0
[ 265.127773][ T5478] vfs_get_tree+0x88/0x270
[ 265.132224][ T5478] do_new_mount+0x24a/0xa40
[ 265.136773][ T5478] __se_sys_mount+0x2e3/0x3d0
[ 265.141529][ T5478] ? __x64_sys_mount+0xc0/0xc0
[ 265.146339][ T5478] ? lockdep_hardirqs_on+0x94/0x140
[ 265.151691][ T5478] ? __x64_sys_mount+0x1c/0xc0
[ 265.156515][ T5478] do_syscall_64+0x4c/0xa0
[ 265.160971][ T5478] ? clear_bhb_loop+0x30/0x80
[ 265.165691][ T5478] ? clear_bhb_loop+0x30/0x80
[ 265.170403][ T5478] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 265.176334][ T5478] RIP: 0033:0x7f9111f4590a
[ 265.180790][ T5478] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 265.200434][ T5478] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.208897][ T5478] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 265.216911][ T5478] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 265.224921][ T5478] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 265.232934][ T5478] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 265.241032][ T5478] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 265.249067][ T5478]
[ 265.258395][ T5478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.271797][ T5478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.542200][ T5480] loop1: detected capacity change from 0 to 32768
[ 265.642051][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.650566][ T5480] CPU: 1 PID: 5480 Comm: syz.1.201 Not tainted syzkaller #0
[ 265.657924][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 265.668141][ T5480] Call Trace:
[ 265.671459][ T5480]
[ 265.674568][ T5480] dump_stack_lvl+0x188/0x250
[ 265.679315][ T5480] ? show_regs_print_info+0x20/0x20
[ 265.684561][ T5480] ? load_image+0x400/0x400
[ 265.689136][ T5480] sysfs_create_dir_ns+0x26a/0x290
[ 265.694291][ T5480] ? sysfs_warn_dup+0xa0/0xa0
[ 265.699019][ T5480] ? do_raw_spin_unlock+0x11d/0x230
[ 265.704264][ T5480] kobject_add_internal+0x6e0/0xd90
[ 265.709575][ T5480] kobject_init_and_add+0x128/0x190
[ 265.714828][ T5480] ? lockdep_softirqs_off+0x430/0x430
[ 265.720264][ T5480] ? kobject_add+0x230/0x230
[ 265.724913][ T5480] ? __init_swait_queue_head+0xa5/0x150
[ 265.730547][ T5480] gfs2_sys_fs_add+0x24f/0x4b0
[ 265.735374][ T5480] ? gfs2_recover_set+0x240/0x240
[ 265.740446][ T5480] ? snprintf+0xe5/0x140
[ 265.744740][ T5480] ? __free_pages+0x95/0x1a0
[ 265.749382][ T5480] ? vscnprintf+0x80/0x80
[ 265.753767][ T5480] gfs2_fill_super+0x120f/0x1f00
[ 265.758763][ T5480] ? gfs2_reconfigure+0xd30/0xd30
[ 265.763925][ T5480] ? sb_set_blocksize+0xa5/0xe0
[ 265.768815][ T5480] get_tree_bdev+0x3f1/0x610
[ 265.773464][ T5480] ? gfs2_reconfigure+0xd30/0xd30
[ 265.778528][ T5480] gfs2_get_tree+0x4d/0x1e0
[ 265.783074][ T5480] vfs_get_tree+0x88/0x270
[ 265.787526][ T5480] do_new_mount+0x24a/0xa40
[ 265.792074][ T5480] __se_sys_mount+0x2e3/0x3d0
[ 265.796800][ T5480] ? __x64_sys_mount+0xc0/0xc0
[ 265.801641][ T5480] ? lockdep_hardirqs_on+0x94/0x140
[ 265.806885][ T5480] ? __x64_sys_mount+0x1c/0xc0
[ 265.811889][ T5480] do_syscall_64+0x4c/0xa0
[ 265.816349][ T5480] ? clear_bhb_loop+0x30/0x80
[ 265.821040][ T5480] ? clear_bhb_loop+0x30/0x80
[ 265.825742][ T5480] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 265.831744][ T5480] RIP: 0033:0x7f9111f4590a
[ 265.836346][ T5480] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 265.856052][ T5480] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.864480][ T5480] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 265.872474][ T5480] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 265.880453][ T5480] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 265.888473][ T5480] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 265.896461][ T5480] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 265.904588][ T5480]
[ 265.908821][ T5480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.922140][ T5480] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:58:14 executed programs: 187
[ 266.310513][ T5482] loop1: detected capacity change from 0 to 32768
[ 266.359032][ T5482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.366571][ T5482] CPU: 1 PID: 5482 Comm: syz.1.202 Not tainted syzkaller #0
[ 266.373886][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 266.383981][ T5482] Call Trace:
[ 266.387304][ T5482]
[ 266.390276][ T5482] dump_stack_lvl+0x188/0x250
[ 266.395292][ T5482] ? show_regs_print_info+0x20/0x20
[ 266.400543][ T5482] ? load_image+0x400/0x400
[ 266.405115][ T5482] sysfs_create_dir_ns+0x26a/0x290
[ 266.410290][ T5482] ? sysfs_warn_dup+0xa0/0xa0
[ 266.415103][ T5482] ? do_raw_spin_unlock+0x11d/0x230
[ 266.420487][ T5482] kobject_add_internal+0x6e0/0xd90
[ 266.426100][ T5482] kobject_init_and_add+0x128/0x190
[ 266.431348][ T5482] ? lockdep_softirqs_off+0x430/0x430
[ 266.436773][ T5482] ? kobject_add+0x230/0x230
[ 266.441420][ T5482] ? __init_swait_queue_head+0xa5/0x150
[ 266.447018][ T5482] gfs2_sys_fs_add+0x24f/0x4b0
[ 266.451835][ T5482] ? gfs2_recover_set+0x240/0x240
[ 266.457004][ T5482] ? snprintf+0xe5/0x140
[ 266.461378][ T5482] ? __free_pages+0x95/0x1a0
[ 266.466018][ T5482] ? vscnprintf+0x80/0x80
[ 266.470405][ T5482] gfs2_fill_super+0x120f/0x1f00
[ 266.475408][ T5482] ? gfs2_reconfigure+0xd30/0xd30
[ 266.480501][ T5482] ? sb_set_blocksize+0xa5/0xe0
[ 266.485404][ T5482] get_tree_bdev+0x3f1/0x610
[ 266.490044][ T5482] ? gfs2_reconfigure+0xd30/0xd30
[ 266.495147][ T5482] gfs2_get_tree+0x4d/0x1e0
[ 266.499715][ T5482] vfs_get_tree+0x88/0x270
[ 266.504182][ T5482] do_new_mount+0x24a/0xa40
[ 266.508731][ T5482] __se_sys_mount+0x2e3/0x3d0
[ 266.513543][ T5482] ? __x64_sys_mount+0xc0/0xc0
[ 266.518358][ T5482] ? lockdep_hardirqs_on+0x94/0x140
[ 266.523598][ T5482] ? __x64_sys_mount+0x1c/0xc0
[ 266.528402][ T5482] do_syscall_64+0x4c/0xa0
[ 266.532875][ T5482] ? clear_bhb_loop+0x30/0x80
[ 266.537584][ T5482] ? clear_bhb_loop+0x30/0x80
[ 266.542296][ T5482] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 266.548321][ T5482] RIP: 0033:0x7f9111f4590a
[ 266.552772][ T5482] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 266.572411][ T5482] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.580887][ T5482] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 266.588917][ T5482] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 266.596935][ T5482] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 266.605048][ T5482] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 266.613055][ T5482] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 266.621084][ T5482]
[ 266.629636][ T5482] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.644585][ T5482] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.919997][ T5484] loop1: detected capacity change from 0 to 32768
[ 266.973676][ T5484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.984534][ T5484] CPU: 1 PID: 5484 Comm: syz.1.203 Not tainted syzkaller #0
[ 266.991984][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 267.002175][ T5484] Call Trace:
[ 267.005501][ T5484]
[ 267.008475][ T5484] dump_stack_lvl+0x188/0x250
[ 267.013203][ T5484] ? show_regs_print_info+0x20/0x20
[ 267.018476][ T5484] ? load_image+0x400/0x400
[ 267.023038][ T5484] sysfs_create_dir_ns+0x26a/0x290
[ 267.028319][ T5484] ? sysfs_warn_dup+0xa0/0xa0
[ 267.033057][ T5484] ? do_raw_spin_unlock+0x11d/0x230
[ 267.038321][ T5484] kobject_add_internal+0x6e0/0xd90
[ 267.043723][ T5484] kobject_init_and_add+0x128/0x190
[ 267.049025][ T5484] ? lockdep_softirqs_off+0x430/0x430
[ 267.054460][ T5484] ? kobject_add+0x230/0x230
[ 267.059152][ T5484] ? __init_swait_queue_head+0xa5/0x150
[ 267.064846][ T5484] gfs2_sys_fs_add+0x24f/0x4b0
[ 267.069664][ T5484] ? gfs2_recover_set+0x240/0x240
[ 267.074944][ T5484] ? snprintf+0xe5/0x140
[ 267.079235][ T5484] ? __free_pages+0x95/0x1a0
[ 267.083880][ T5484] ? vscnprintf+0x80/0x80
[ 267.088529][ T5484] gfs2_fill_super+0x120f/0x1f00
[ 267.093635][ T5484] ? gfs2_reconfigure+0xd30/0xd30
[ 267.098728][ T5484] ? sb_set_blocksize+0xa5/0xe0
[ 267.103630][ T5484] get_tree_bdev+0x3f1/0x610
[ 267.108261][ T5484] ? gfs2_reconfigure+0xd30/0xd30
[ 267.113333][ T5484] gfs2_get_tree+0x4d/0x1e0
[ 267.117922][ T5484] vfs_get_tree+0x88/0x270
[ 267.122391][ T5484] do_new_mount+0x24a/0xa40
[ 267.126958][ T5484] __se_sys_mount+0x2e3/0x3d0
[ 267.131689][ T5484] ? __x64_sys_mount+0xc0/0xc0
[ 267.136511][ T5484] ? lockdep_hardirqs_on+0x94/0x140
[ 267.141777][ T5484] ? __x64_sys_mount+0x1c/0xc0
[ 267.146599][ T5484] do_syscall_64+0x4c/0xa0
[ 267.151070][ T5484] ? clear_bhb_loop+0x30/0x80
[ 267.155884][ T5484] ? clear_bhb_loop+0x30/0x80
[ 267.160885][ T5484] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.166829][ T5484] RIP: 0033:0x7f9111f4590a
[ 267.171448][ T5484] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 267.191266][ T5484] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.199823][ T5484] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 267.207884][ T5484] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 267.215997][ T5484] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 267.224022][ T5484] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 267.232529][ T5484] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 267.240560][ T5484]
[ 267.252334][ T5484] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.266166][ T5484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.589075][ T5486] loop1: detected capacity change from 0 to 32768
[ 267.662057][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.672166][ T5486] CPU: 1 PID: 5486 Comm: syz.1.204 Not tainted syzkaller #0
[ 267.679516][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 267.689609][ T5486] Call Trace:
[ 267.692933][ T5486]
[ 267.695894][ T5486] dump_stack_lvl+0x188/0x250
[ 267.700611][ T5486] ? show_regs_print_info+0x20/0x20
[ 267.705852][ T5486] ? load_image+0x400/0x400
[ 267.710415][ T5486] sysfs_create_dir_ns+0x26a/0x290
[ 267.715576][ T5486] ? sysfs_warn_dup+0xa0/0xa0
[ 267.720335][ T5486] ? do_raw_spin_unlock+0x11d/0x230
[ 267.725581][ T5486] kobject_add_internal+0x6e0/0xd90
[ 267.730978][ T5486] kobject_init_and_add+0x128/0x190
[ 267.736262][ T5486] ? lockdep_softirqs_off+0x430/0x430
[ 267.741698][ T5486] ? kobject_add+0x230/0x230
[ 267.746347][ T5486] ? __init_swait_queue_head+0xa5/0x150
[ 267.751953][ T5486] gfs2_sys_fs_add+0x24f/0x4b0
[ 267.756763][ T5486] ? gfs2_recover_set+0x240/0x240
[ 267.761847][ T5486] ? snprintf+0xe5/0x140
[ 267.766128][ T5486] ? __free_pages+0x95/0x1a0
[ 267.770764][ T5486] ? vscnprintf+0x80/0x80
[ 267.775404][ T5486] gfs2_fill_super+0x120f/0x1f00
[ 267.780412][ T5486] ? gfs2_reconfigure+0xd30/0xd30
[ 267.785497][ T5486] ? sb_set_blocksize+0xa5/0xe0
[ 267.790392][ T5486] get_tree_bdev+0x3f1/0x610
[ 267.795029][ T5486] ? gfs2_reconfigure+0xd30/0xd30
[ 267.800097][ T5486] gfs2_get_tree+0x4d/0x1e0
[ 267.804733][ T5486] vfs_get_tree+0x88/0x270
[ 267.809198][ T5486] do_new_mount+0x24a/0xa40
[ 267.813748][ T5486] __se_sys_mount+0x2e3/0x3d0
[ 267.818483][ T5486] ? __x64_sys_mount+0xc0/0xc0
[ 267.823306][ T5486] ? lockdep_hardirqs_on+0x94/0x140
[ 267.828550][ T5486] ? __x64_sys_mount+0x1c/0xc0
[ 267.833385][ T5486] do_syscall_64+0x4c/0xa0
[ 267.837842][ T5486] ? clear_bhb_loop+0x30/0x80
[ 267.842552][ T5486] ? clear_bhb_loop+0x30/0x80
[ 267.847279][ T5486] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.853215][ T5486] RIP: 0033:0x7f9111f4590a
[ 267.857831][ T5486] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 267.877486][ T5486] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.885954][ T5486] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 267.894176][ T5486] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 267.902200][ T5486] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 267.910220][ T5486] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 267.918232][ T5486] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 267.926343][ T5486]
[ 267.931072][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.944634][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.321026][ T5488] loop1: detected capacity change from 0 to 32768
[ 268.420060][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.427597][ T5488] CPU: 0 PID: 5488 Comm: syz.1.205 Not tainted syzkaller #0
[ 268.434943][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 268.445034][ T5488] Call Trace:
[ 268.448360][ T5488]
[ 268.451340][ T5488] dump_stack_lvl+0x188/0x250
[ 268.456061][ T5488] ? show_regs_print_info+0x20/0x20
[ 268.461344][ T5488] ? load_image+0x400/0x400
[ 268.466076][ T5488] sysfs_create_dir_ns+0x26a/0x290
[ 268.471230][ T5488] ? sysfs_warn_dup+0xa0/0xa0
[ 268.475970][ T5488] ? do_raw_spin_unlock+0x11d/0x230
[ 268.481662][ T5488] kobject_add_internal+0x6e0/0xd90
[ 268.486914][ T5488] kobject_init_and_add+0x128/0x190
[ 268.492482][ T5488] ? lockdep_softirqs_off+0x430/0x430
[ 268.498249][ T5488] ? kobject_add+0x230/0x230
[ 268.502896][ T5488] ? __init_swait_queue_head+0xa5/0x150
[ 268.508525][ T5488] gfs2_sys_fs_add+0x24f/0x4b0
[ 268.513511][ T5488] ? gfs2_recover_set+0x240/0x240
[ 268.518605][ T5488] ? snprintf+0xe5/0x140
[ 268.522907][ T5488] ? __free_pages+0x95/0x1a0
[ 268.527605][ T5488] ? vscnprintf+0x80/0x80
[ 268.532005][ T5488] gfs2_fill_super+0x120f/0x1f00
[ 268.537015][ T5488] ? gfs2_reconfigure+0xd30/0xd30
[ 268.542120][ T5488] ? sb_set_blocksize+0xa5/0xe0
[ 268.547119][ T5488] get_tree_bdev+0x3f1/0x610
[ 268.551778][ T5488] ? gfs2_reconfigure+0xd30/0xd30
[ 268.557040][ T5488] gfs2_get_tree+0x4d/0x1e0
[ 268.561610][ T5488] vfs_get_tree+0x88/0x270
[ 268.566187][ T5488] do_new_mount+0x24a/0xa40
[ 268.570945][ T5488] __se_sys_mount+0x2e3/0x3d0
[ 268.575684][ T5488] ? __x64_sys_mount+0xc0/0xc0
[ 268.580616][ T5488] ? lockdep_hardirqs_on+0x94/0x140
[ 268.585904][ T5488] ? __x64_sys_mount+0x1c/0xc0
[ 268.590755][ T5488] do_syscall_64+0x4c/0xa0
[ 268.595220][ T5488] ? clear_bhb_loop+0x30/0x80
[ 268.599992][ T5488] ? clear_bhb_loop+0x30/0x80
[ 268.604731][ T5488] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 268.610862][ T5488] RIP: 0033:0x7f9111f4590a
[ 268.615410][ T5488] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 268.635065][ T5488] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.643533][ T5488] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 268.651637][ T5488] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 268.659765][ T5488] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 268.667983][ T5488] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 268.676259][ T5488] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 268.684291][ T5488]
[ 268.694009][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.709135][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.078211][ T5490] loop1: detected capacity change from 0 to 32768
[ 269.128069][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.135507][ T5490] CPU: 1 PID: 5490 Comm: syz.1.206 Not tainted syzkaller #0
[ 269.142833][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 269.153208][ T5490] Call Trace:
[ 269.156527][ T5490]
[ 269.159518][ T5490] dump_stack_lvl+0x188/0x250
[ 269.164331][ T5490] ? show_regs_print_info+0x20/0x20
[ 269.169575][ T5490] ? load_image+0x400/0x400
[ 269.174146][ T5490] sysfs_create_dir_ns+0x26a/0x290
[ 269.179306][ T5490] ? sysfs_warn_dup+0xa0/0xa0
[ 269.184042][ T5490] ? do_raw_spin_unlock+0x11d/0x230
[ 269.189515][ T5490] kobject_add_internal+0x6e0/0xd90
[ 269.194761][ T5490] kobject_init_and_add+0x128/0x190
[ 269.199994][ T5490] ? lockdep_softirqs_off+0x430/0x430
[ 269.205412][ T5490] ? kobject_add+0x230/0x230
[ 269.210050][ T5490] ? __init_swait_queue_head+0xa5/0x150
[ 269.215654][ T5490] gfs2_sys_fs_add+0x24f/0x4b0
[ 269.220465][ T5490] ? gfs2_recover_set+0x240/0x240
[ 269.225562][ T5490] ? snprintf+0xe5/0x140
[ 269.229865][ T5490] ? __free_pages+0x95/0x1a0
[ 269.234502][ T5490] ? vscnprintf+0x80/0x80
[ 269.238889][ T5490] gfs2_fill_super+0x120f/0x1f00
[ 269.243885][ T5490] ? gfs2_reconfigure+0xd30/0xd30
[ 269.249056][ T5490] ? sb_set_blocksize+0xa5/0xe0
[ 269.254031][ T5490] get_tree_bdev+0x3f1/0x610
[ 269.258663][ T5490] ? gfs2_reconfigure+0xd30/0xd30
[ 269.263738][ T5490] gfs2_get_tree+0x4d/0x1e0
[ 269.268285][ T5490] vfs_get_tree+0x88/0x270
[ 269.272752][ T5490] do_new_mount+0x24a/0xa40
[ 269.277298][ T5490] __se_sys_mount+0x2e3/0x3d0
[ 269.282018][ T5490] ? __x64_sys_mount+0xc0/0xc0
[ 269.286823][ T5490] ? lockdep_hardirqs_on+0x94/0x140
[ 269.292189][ T5490] ? __x64_sys_mount+0x1c/0xc0
[ 269.297018][ T5490] do_syscall_64+0x4c/0xa0
[ 269.301485][ T5490] ? clear_bhb_loop+0x30/0x80
[ 269.306206][ T5490] ? clear_bhb_loop+0x30/0x80
[ 269.311030][ T5490] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 269.316979][ T5490] RIP: 0033:0x7f9111f4590a
[ 269.321437][ T5490] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 269.341087][ T5490] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.349786][ T5490] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 269.357814][ T5490] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 269.365832][ T5490] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 269.373875][ T5490] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 269.381891][ T5490] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 269.389927][ T5490]
[ 269.405925][ T5490] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.419644][ T5490] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.824419][ T5492] loop1: detected capacity change from 0 to 32768
[ 269.889844][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.899519][ T5492] CPU: 0 PID: 5492 Comm: syz.1.207 Not tainted syzkaller #0
[ 269.906873][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 269.916967][ T5492] Call Trace:
[ 269.920289][ T5492]
[ 269.923256][ T5492] dump_stack_lvl+0x188/0x250
[ 269.927979][ T5492] ? show_regs_print_info+0x20/0x20
[ 269.933216][ T5492] ? load_image+0x400/0x400
[ 269.937780][ T5492] sysfs_create_dir_ns+0x26a/0x290
[ 269.942983][ T5492] ? sysfs_warn_dup+0xa0/0xa0
[ 269.947708][ T5492] ? do_raw_spin_unlock+0x11d/0x230
[ 269.952959][ T5492] kobject_add_internal+0x6e0/0xd90
[ 269.958213][ T5492] kobject_init_and_add+0x128/0x190
[ 269.963459][ T5492] ? lockdep_softirqs_off+0x430/0x430
[ 269.968881][ T5492] ? kobject_add+0x230/0x230
[ 269.973524][ T5492] ? __init_swait_queue_head+0xa5/0x150
[ 269.979232][ T5492] gfs2_sys_fs_add+0x24f/0x4b0
[ 269.984122][ T5492] ? gfs2_recover_set+0x240/0x240
[ 269.989267][ T5492] ? snprintf+0xe5/0x140
[ 269.993538][ T5492] ? __free_pages+0x95/0x1a0
[ 269.998173][ T5492] ? vscnprintf+0x80/0x80
[ 270.002551][ T5492] gfs2_fill_super+0x120f/0x1f00
[ 270.007545][ T5492] ? gfs2_reconfigure+0xd30/0xd30
[ 270.012634][ T5492] ? sb_set_blocksize+0xa5/0xe0
[ 270.017525][ T5492] get_tree_bdev+0x3f1/0x610
[ 270.022175][ T5492] ? gfs2_reconfigure+0xd30/0xd30
[ 270.027244][ T5492] gfs2_get_tree+0x4d/0x1e0
[ 270.031794][ T5492] vfs_get_tree+0x88/0x270
[ 270.036376][ T5492] do_new_mount+0x24a/0xa40
[ 270.040935][ T5492] __se_sys_mount+0x2e3/0x3d0
[ 270.045671][ T5492] ? __x64_sys_mount+0xc0/0xc0
[ 270.050476][ T5492] ? lockdep_hardirqs_on+0x94/0x140
[ 270.055717][ T5492] ? __x64_sys_mount+0x1c/0xc0
[ 270.060526][ T5492] do_syscall_64+0x4c/0xa0
[ 270.064982][ T5492] ? clear_bhb_loop+0x30/0x80
[ 270.069695][ T5492] ? clear_bhb_loop+0x30/0x80
[ 270.074409][ T5492] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 270.080336][ T5492] RIP: 0033:0x7f9111f4590a
[ 270.084786][ T5492] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 270.104426][ T5492] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.112884][ T5492] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 270.120894][ T5492] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 270.128989][ T5492] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 270.137007][ T5492] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 270.145012][ T5492] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 270.153008][ T5492]
[ 270.159190][ T5492] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.172538][ T5492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.532593][ T5494] loop1: detected capacity change from 0 to 32768
[ 270.591938][ T5494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.599458][ T5494] CPU: 1 PID: 5494 Comm: syz.1.208 Not tainted syzkaller #0
[ 270.606870][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 270.616997][ T5494] Call Trace:
[ 270.620322][ T5494]
[ 270.623407][ T5494] dump_stack_lvl+0x188/0x250
[ 270.628133][ T5494] ? show_regs_print_info+0x20/0x20
[ 270.633371][ T5494] ? load_image+0x400/0x400
[ 270.637973][ T5494] sysfs_create_dir_ns+0x26a/0x290
[ 270.643146][ T5494] ? sysfs_warn_dup+0xa0/0xa0
[ 270.647871][ T5494] ? do_raw_spin_unlock+0x11d/0x230
[ 270.653209][ T5494] kobject_add_internal+0x6e0/0xd90
[ 270.658469][ T5494] kobject_init_and_add+0x128/0x190
[ 270.663765][ T5494] ? lockdep_softirqs_off+0x430/0x430
[ 270.669186][ T5494] ? kobject_add+0x230/0x230
[ 270.673826][ T5494] ? __init_swait_queue_head+0xa5/0x150
[ 270.679626][ T5494] gfs2_sys_fs_add+0x24f/0x4b0
[ 270.684523][ T5494] ? gfs2_recover_set+0x240/0x240
[ 270.689770][ T5494] ? snprintf+0xe5/0x140
[ 270.694267][ T5494] ? __free_pages+0x95/0x1a0
[ 270.698994][ T5494] ? vscnprintf+0x80/0x80
[ 270.703376][ T5494] gfs2_fill_super+0x120f/0x1f00
[ 270.708802][ T5494] ? gfs2_reconfigure+0xd30/0xd30
[ 270.713883][ T5494] ? sb_set_blocksize+0xa5/0xe0
[ 270.718767][ T5494] get_tree_bdev+0x3f1/0x610
[ 270.723395][ T5494] ? gfs2_reconfigure+0xd30/0xd30
[ 270.728461][ T5494] gfs2_get_tree+0x4d/0x1e0
[ 270.733033][ T5494] vfs_get_tree+0x88/0x270
[ 270.737495][ T5494] do_new_mount+0x24a/0xa40
[ 270.742053][ T5494] __se_sys_mount+0x2e3/0x3d0
[ 270.746785][ T5494] ? __x64_sys_mount+0xc0/0xc0
[ 270.751601][ T5494] ? lockdep_hardirqs_on+0x94/0x140
[ 270.756843][ T5494] ? __x64_sys_mount+0x1c/0xc0
[ 270.761746][ T5494] do_syscall_64+0x4c/0xa0
[ 270.766207][ T5494] ? clear_bhb_loop+0x30/0x80
[ 270.770927][ T5494] ? clear_bhb_loop+0x30/0x80
[ 270.775679][ T5494] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 270.781738][ T5494] RIP: 0033:0x7f9111f4590a
[ 270.786220][ T5494] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 270.806113][ T5494] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.814575][ T5494] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 270.822723][ T5494] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 270.830811][ T5494] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 270.838831][ T5494] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 270.846841][ T5494] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 270.854873][ T5494]
[ 270.865532][ T5494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.878857][ T5494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.367035][ T5496] loop1: detected capacity change from 0 to 32768
[ 271.383411][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.399126][ T5496] CPU: 1 PID: 5496 Comm: syz.1.209 Not tainted syzkaller #0
[ 271.406574][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 271.416662][ T5496] Call Trace:
[ 271.419974][ T5496]
[ 271.422935][ T5496] dump_stack_lvl+0x188/0x250
[ 271.427650][ T5496] ? show_regs_print_info+0x20/0x20
[ 271.432881][ T5496] ? load_image+0x400/0x400
[ 271.437443][ T5496] sysfs_create_dir_ns+0x26a/0x290
[ 271.442588][ T5496] ? sysfs_warn_dup+0xa0/0xa0
[ 271.447314][ T5496] ? do_raw_spin_unlock+0x11d/0x230
[ 271.452550][ T5496] kobject_add_internal+0x6e0/0xd90
[ 271.457794][ T5496] kobject_init_and_add+0x128/0x190
[ 271.463035][ T5496] ? lockdep_softirqs_off+0x430/0x430
[ 271.468474][ T5496] ? kobject_add+0x230/0x230
[ 271.473127][ T5496] ? __init_swait_queue_head+0xa5/0x150
[ 271.478723][ T5496] gfs2_sys_fs_add+0x24f/0x4b0
[ 271.483534][ T5496] ? gfs2_recover_set+0x240/0x240
[ 271.488592][ T5496] ? snprintf+0xe5/0x140
[ 271.492869][ T5496] ? __free_pages+0x95/0x1a0
[ 271.497506][ T5496] ? vscnprintf+0x80/0x80
[ 271.501904][ T5496] gfs2_fill_super+0x120f/0x1f00
[ 271.506894][ T5496] ? gfs2_reconfigure+0xd30/0xd30
[ 271.512007][ T5496] ? sb_set_blocksize+0xa5/0xe0
[ 271.516931][ T5496] get_tree_bdev+0x3f1/0x610
[ 271.521560][ T5496] ? gfs2_reconfigure+0xd30/0xd30
[ 271.526621][ T5496] gfs2_get_tree+0x4d/0x1e0
[ 271.531156][ T5496] vfs_get_tree+0x88/0x270
[ 271.535610][ T5496] do_new_mount+0x24a/0xa40
[ 271.540152][ T5496] __se_sys_mount+0x2e3/0x3d0
[ 271.544868][ T5496] ? __x64_sys_mount+0xc0/0xc0
[ 271.549843][ T5496] ? lockdep_hardirqs_on+0x94/0x140
[ 271.555160][ T5496] ? __x64_sys_mount+0x1c/0xc0
[ 271.559996][ T5496] do_syscall_64+0x4c/0xa0
[ 271.564450][ T5496] ? clear_bhb_loop+0x30/0x80
[ 271.569168][ T5496] ? clear_bhb_loop+0x30/0x80
[ 271.573893][ T5496] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 271.579914][ T5496] RIP: 0033:0x7f9111f4590a
[ 271.584365][ T5496] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 271.604186][ T5496] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.612645][ T5496] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 271.620759][ T5496] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 271.628779][ T5496] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 271.636812][ T5496] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 271.644922][ T5496] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 271.652971][ T5496]
[ 271.671379][ T5496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.684673][ T5496] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/05 21:58:20 executed programs: 195
[ 272.052454][ T5498] loop1: detected capacity change from 0 to 32768
[ 272.106557][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.114732][ T5498] CPU: 0 PID: 5498 Comm: syz.1.210 Not tainted syzkaller #0
[ 272.122077][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 272.132264][ T5498] Call Trace:
[ 272.135580][ T5498]
[ 272.138541][ T5498] dump_stack_lvl+0x188/0x250
[ 272.143354][ T5498] ? show_regs_print_info+0x20/0x20
[ 272.148713][ T5498] ? load_image+0x400/0x400
[ 272.153274][ T5498] sysfs_create_dir_ns+0x26a/0x290
[ 272.158423][ T5498] ? sysfs_warn_dup+0xa0/0xa0
[ 272.163148][ T5498] ? do_raw_spin_unlock+0x11d/0x230
[ 272.168394][ T5498] kobject_add_internal+0x6e0/0xd90
[ 272.173651][ T5498] kobject_init_and_add+0x128/0x190
[ 272.178891][ T5498] ? lockdep_softirqs_off+0x430/0x430
[ 272.184309][ T5498] ? kobject_add+0x230/0x230
[ 272.188962][ T5498] ? __init_swait_queue_head+0xa5/0x150
[ 272.194574][ T5498] gfs2_sys_fs_add+0x24f/0x4b0
[ 272.199471][ T5498] ? gfs2_recover_set+0x240/0x240
[ 272.204554][ T5498] ? snprintf+0xe5/0x140
[ 272.208845][ T5498] ? __free_pages+0x95/0x1a0
[ 272.213497][ T5498] ? vscnprintf+0x80/0x80
[ 272.217968][ T5498] gfs2_fill_super+0x120f/0x1f00
[ 272.222996][ T5498] ? gfs2_reconfigure+0xd30/0xd30
[ 272.228100][ T5498] ? sb_set_blocksize+0xa5/0xe0
[ 272.233083][ T5498] get_tree_bdev+0x3f1/0x610
[ 272.237718][ T5498] ? gfs2_reconfigure+0xd30/0xd30
[ 272.242794][ T5498] gfs2_get_tree+0x4d/0x1e0
[ 272.247345][ T5498] vfs_get_tree+0x88/0x270
[ 272.251867][ T5498] do_new_mount+0x24a/0xa40
[ 272.256545][ T5498] __se_sys_mount+0x2e3/0x3d0
[ 272.261275][ T5498] ? __x64_sys_mount+0xc0/0xc0
[ 272.266083][ T5498] ? lockdep_hardirqs_on+0x94/0x140
[ 272.271511][ T5498] ? __x64_sys_mount+0x1c/0xc0
[ 272.276419][ T5498] do_syscall_64+0x4c/0xa0
[ 272.280972][ T5498] ? clear_bhb_loop+0x30/0x80
[ 272.285700][ T5498] ? clear_bhb_loop+0x30/0x80
[ 272.290419][ T5498] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.296444][ T5498] RIP: 0033:0x7f9111f4590a
[ 272.301422][ T5498] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 272.321068][ T5498] RSP: 002b:00007f91115a7e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.329640][ T5498] RAX: ffffffffffffffda RBX: 00007f91115a7ee0 RCX: 00007f9111f4590a
[ 272.337664][ T5498] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007f91115a7ea0
[ 272.345694][ T5498] RBP: 0000200000000040 R08: 00007f91115a7ee0 R09: 0000000000000c19
[ 272.353706][ T5498] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 272.361711][ T5498] R13: 00007f91115a7ea0 R14: 00000000000126f3 R15: 0000200000000100
[ 272.369738][ T5498]
[ 272.382728][ T5498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.396055][ T5498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.408163][ T27] INFO: task syz-executor:4826 blocked for more than 143 seconds.
[ 272.427872][ T27] Not tainted syzkaller #0
[ 272.432896][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 272.442129][ T27] task:syz-executor state:D stack:21904 pid: 4826 ppid: 1 flags:0x00004004
[ 272.451694][ T27] Call Trace:
[ 272.455019][ T27]
[ 272.458328][ T27] __schedule+0x11ef/0x43c0
[ 272.462878][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 272.470900][ T27] ? preempt_schedule_thunk+0x16/0x18
[ 272.476358][ T27] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 272.482995][ T27] ? _raw_spin_unlock+0x40/0x40
[ 272.488396][ T27] ? release_firmware_map_entry+0x190/0x190
[ 272.494478][ T27] ? __mod_timer+0x91e/0xd00
[ 272.499518][ T27] schedule+0x11b/0x1e0
[ 272.503726][ T27] schedule_timeout+0x184/0x2d0
[ 272.509035][ T27] ? console_conditional_schedule+0x40/0x40
[ 272.514977][ T27] ? update_process_times+0x200/0x200
[ 272.520754][ T27] ? prepare_to_wait_event+0x42c/0x460
[ 272.526270][ T27] gfs2_gl_hash_clear+0x1ab/0x2f0
[ 272.531737][ T27] ? thaw_glock+0x150/0x150
[ 272.536289][ T27] ? gfs2_jindex_free+0x3de/0x450
[ 272.541711][ T27] ? init_wait_entry+0xd0/0xd0
[ 272.546523][ T27] ? gfs2_setbit+0x5a0/0x5a0
[ 272.551521][ T27] gfs2_put_super+0x769/0x7d0
[ 272.556244][ T27] ? gfs2_evict_inode+0x1240/0x1240
[ 272.561858][ T27] generic_shutdown_super+0x130/0x300
[ 272.567290][ T27] kill_block_super+0x7c/0xe0
[ 272.572405][ T27] deactivate_locked_super+0x93/0xf0
[ 272.577744][ T27] cleanup_mnt+0x42d/0x4e0
[ 272.583232][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 272.588768][ T27] task_work_run+0x125/0x1a0
[ 272.593412][ T27] exit_to_user_mode_loop+0x10f/0x130
[ 272.599253][ T27] exit_to_user_mode_prepare+0xee/0x180
[ 272.604864][ T27] syscall_exit_to_user_mode+0x16/0x40
[ 272.610804][ T27] do_syscall_64+0x58/0xa0
[ 272.615295][ T27] ? clear_bhb_loop+0x30/0x80
[ 272.620402][ T27] ? clear_bhb_loop+0x30/0x80
[ 272.625131][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.631438][ T27] RIP: 0033:0x7feb3dd6e8d7
[ 272.635909][ T27] RSP: 002b:00007ffcafc4bc98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 272.644775][ T27] RAX: 0000000000000000 RBX: 00007feb3de0033b RCX: 00007feb3dd6e8d7
[ 272.653110][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcafc4bd50
[ 272.661432][ T27] RBP: 00007ffcafc4bd50 R08: 00007ffcafc4cd50 R09: 00000000ffffffff
[ 272.669711][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcafc4cde0
[ 272.677733][ T27] R13: 00007feb3de0033b R14: 000000000001e354 R15: 00007ffcafc4ce20
[ 272.686486][ T27]
[ 272.690971][ T27]
[ 272.690971][ T27] Showing all locks held in the system:
[ 272.700307][ T27] 1 lock held by khungtaskd/27:
[ 272.705196][ T27] #0: ffffffff8c31f360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 272.716238][ T27] 2 locks held by getty/3948:
[ 272.723008][ T27] #0: ffff88814d499098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 272.743847][ T27] #1: ffffc900021ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[ 272.754373][ T27] 2 locks held by kworker/0:4/4255:
[ 272.762599][ T27] #0: ffff888016c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x761/0x1010
[ 272.773423][ T27] #1: ffffc900022e7d00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[ 272.788990][ T27] 1 lock held by syz-executor/4826:
[ 272.794242][ T27] #0: ffff88807a4700e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[ 272.806268][ T27]
[ 272.810886][ T27] =============================================
[ 272.810886][ T27]
[ 272.820961][ T27] NMI backtrace for cpu 1
[ 272.825335][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 272.832561][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 272.842656][ T27] Call Trace:
[ 272.845961][ T27]
[ 272.849026][ T27] dump_stack_lvl+0x188/0x250
[ 272.853758][ T27] ? show_regs_print_info+0x20/0x20
[ 272.859033][ T27] ? load_image+0x400/0x400
[ 272.863745][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 272.869334][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 272.874489][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 272.879555][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 272.885959][ T27] ? _printk+0xda/0x130
[ 272.890258][ T27] ? load_image+0x400/0x400
[ 272.894921][ T27] ? load_image+0x400/0x400
[ 272.899466][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 272.905576][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 272.911602][ T27] watchdog+0xe0f/0xe50
[ 272.915906][ T27] kthread+0x436/0x520
[ 272.920019][ T27] ? hungtask_pm_notify+0x40/0x40
[ 272.925089][ T27] ? kthread_blkcg+0xd0/0xd0
[ 272.929713][ T27] ret_from_fork+0x1f/0x30
[ 272.934217][ T27]
[ 272.937636][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 272.942971][ C0] NMI backtrace for cpu 0
[ 272.942983][ C0] CPU: 0 PID: 5092 Comm: udevd Not tainted syzkaller #0
[ 272.943001][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 272.943011][ C0] RIP: 0010:xas_find+0x2cf/0xab0
[ 272.943034][ C0] Code: 44 0f b6 75 00 45 89 ef 41 83 e7 3f 4c 89 ff 4c 89 f6 e8 a4 c3 6f fd 4d 39 f7 0f 85 98 00 00 00 e8 b6 c1 6f fd 4c 8b 7c 24 08 <48> bb 00 00 00 00 00 fc ff df e9 b0 00 00 00 e8 9d c1 6f fd eb 16
[ 272.943049][ C0] RSP: 0000:ffffc9000121f6a8 EFLAGS: 00000293
[ 272.943065][ C0] RAX: ffffffff8409873a RBX: 1ffff92000243ef6 RCX: ffff88807a453b80
[ 272.943079][ C0] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000010
[ 272.943090][ C0] RBP: ffffc9000121f7b2 R08: ffff88807a453b80 R09: 0000000000000002
[ 272.943103][ C0] R10: 0000000000000003 R11: 0000000000000000 R12: ffffc9000121f7b8
[ 272.943114][ C0] R13: 0000000000000990 R14: 0000000000000010 R15: ffffc9000121f7b8
[ 272.943126][ C0] FS: 00007f115f2a2880(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 272.943142][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 272.943155][ C0] CR2: 00007f910a183000 CR3: 000000006a029000 CR4: 00000000003506f0
[ 272.943171][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 272.943182][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 272.943193][ C0] Call Trace:
[ 272.943198][ C0]
[ 272.943209][ C0] find_lock_entries+0x19e/0xd70
[ 272.943232][ C0] ? find_get_entry+0x270/0x270
[ 272.943256][ C0] shmem_undo_range+0x29a/0x1930
[ 272.943282][ C0] ? __lock_acquire+0x13bc/0x7d10
[ 272.943303][ C0] ? shmem_truncate_range+0xa0/0xa0
[ 272.943334][ C0] ? do_raw_spin_lock+0x128/0x2f0
[ 272.943352][ C0] ? __rwlock_init+0x140/0x140
[ 272.943371][ C0] shmem_evict_inode+0x220/0xa40
[ 272.943418][ C0] ? inode_wait_for_writeback+0x1df/0x220
[ 272.943441][ C0] ? shmem_free_in_core_inode+0xb0/0xb0
[ 272.943460][ C0] ? do_raw_spin_lock+0x128/0x2f0
[ 272.943477][ C0] ? bit_waitqueue+0x30/0x30
[ 272.943499][ C0] ? do_raw_spin_unlock+0x11d/0x230
[ 272.943517][ C0] ? shmem_free_in_core_inode+0xb0/0xb0
[ 272.943537][ C0] evict+0x4c9/0x8d0
[ 272.943559][ C0] ? proc_nr_inodes+0x320/0x320
[ 272.943579][ C0] ? do_raw_spin_unlock+0x11d/0x230
[ 272.943597][ C0] ? _raw_spin_unlock+0x24/0x40
[ 272.943620][ C0] __dentry_kill+0x431/0x650
[ 272.943639][ C0] dentry_kill+0xb8/0x290
[ 272.943657][ C0] dput+0xd8/0x1a0
[ 272.943672][ C0] __fput+0x5ee/0x930
[ 272.943695][ C0] task_work_run+0x125/0x1a0
[ 272.943716][ C0] exit_to_user_mode_loop+0x10f/0x130
[ 272.943733][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 272.943750][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 272.943770][ C0] do_syscall_64+0x58/0xa0
[ 272.943786][ C0] ? clear_bhb_loop+0x30/0x80
[ 272.943803][ C0] ? clear_bhb_loop+0x30/0x80
[ 272.943821][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.943839][ C0] RIP: 0033:0x7f115f390407
[ 272.943854][ C0] 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
[ 272.943869][ C0] RSP: 002b:00007fff704d64c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[ 272.943886][ C0] RAX: 0000000000000000 RBX: 00007f115f2a2880 RCX: 00007f115f390407
[ 272.943898][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
[ 272.943909][ C0] RBP: 00007f115f2a26e8 R08: 0000000000000000 R09: 0000000000000000
[ 272.943919][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 272.943930][ C0] R13: 00005579652fa410 R14: 0000000000000008 R15: 00005579652f5e20
[ 272.943949][ C0]
[ 273.311712][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 273.318623][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 273.325887][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 273.335986][ T27] Call Trace:
[ 273.339299][ T27]
[ 273.342258][ T27] dump_stack_lvl+0x188/0x250
[ 273.346974][ T27] ? show_regs_print_info+0x20/0x20
[ 273.352209][ T27] ? load_image+0x400/0x400
[ 273.356759][ T27] panic+0x2e5/0x810
[ 273.360692][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 273.366362][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 273.370901][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 273.376496][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 273.382690][ T27] watchdog+0xe4e/0xe50
[ 273.386893][ T27] kthread+0x436/0x520
[ 273.391005][ T27] ? hungtask_pm_notify+0x40/0x40
[ 273.396068][ T27] ? kthread_blkcg+0xd0/0xd0
[ 273.400696][ T27] ret_from_fork+0x1f/0x30
[ 273.405166][ T27]
[ 273.408527][ T27] Kernel Offset: disabled
[ 273.412885][ T27] Rebooting in 86400 seconds..