51] dump_stack_lvl+0x168/0x230
[ 221.224761][ T5451] ? show_regs_print_info+0x20/0x20
[ 221.230241][ T5451] ? load_image+0x3b0/0x3b0
[ 221.234770][ T5451] sysfs_create_dir_ns+0x252/0x280
[ 221.239920][ T5451] ? __lock_acquire+0x7c60/0x7c60
[ 221.245189][ T5451] ? sysfs_warn_dup+0xa0/0xa0
[ 221.249852][ T5451] ? do_raw_spin_unlock+0x11d/0x230
[ 221.255158][ T5451] kobject_add_internal+0x662/0xd00
[ 221.260465][ T5451] kobject_init_and_add+0x122/0x190
[ 221.265877][ T5451] ? lockdep_softirqs_off+0x420/0x420
[ 221.271359][ T5451] ? kobject_add+0x210/0x210
[ 221.275954][ T5451] ? __init_swait_queue_head+0xa5/0x150
[ 221.281483][ T5451] gfs2_sys_fs_add+0x234/0x480
[ 221.286234][ T5451] ? gfs2_recover_set+0x240/0x240
[ 221.291237][ T5451] ? snprintf+0xd7/0x120
[ 221.295479][ T5451] ? __free_pages+0x95/0x1a0
[ 221.300048][ T5451] ? vscnprintf+0x80/0x80
[ 221.304374][ T5451] gfs2_fill_super+0x128d/0x1f50
[ 221.309478][ T5451] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.314499][ T5451] ? preempt_count_add+0x8d/0x190
[ 221.319524][ T5451] ? sb_set_blocksize+0xa5/0xe0
[ 221.324458][ T5451] get_tree_bdev+0x3f1/0x610
[ 221.329057][ T5451] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.334169][ T5451] gfs2_get_tree+0x4d/0x1e0
[ 221.338661][ T5451] vfs_get_tree+0x88/0x270
[ 221.343064][ T5451] do_new_mount+0x24a/0xa40
[ 221.347552][ T5451] __se_sys_mount+0x2d6/0x3c0
[ 221.352210][ T5451] ? __x64_sys_mount+0xc0/0xc0
[ 221.356959][ T5451] ? lockdep_hardirqs_on+0x94/0x140
[ 221.362140][ T5451] ? __x64_sys_mount+0x1c/0xc0
[ 221.366894][ T5451] do_syscall_64+0x4c/0xa0
[ 221.371375][ T5451] ? clear_bhb_loop+0x30/0x80
[ 221.376042][ T5451] ? clear_bhb_loop+0x30/0x80
[ 221.380907][ T5451] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.386802][ T5451] RIP: 0033:0x7fa0bfeb990a
[ 221.391289][ T5451] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 221.411076][ T5451] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.419499][ T5451] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 221.427455][ T5451] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 221.435420][ T5451] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 221.443375][ T5451] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 221.451412][ T5451] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 221.459379][ T5451]
[ 221.463504][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.476756][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.799462][ T5453] loop1: detected capacity change from 0 to 32768
[ 221.849440][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.857008][ T5453] CPU: 1 PID: 5453 Comm: syz.1.171 Not tainted syzkaller #0
[ 221.864301][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 221.874366][ T5453] Call Trace:
[ 221.877752][ T5453]
[ 221.880683][ T5453] dump_stack_lvl+0x168/0x230
[ 221.885458][ T5453] ? show_regs_print_info+0x20/0x20
[ 221.890664][ T5453] ? load_image+0x3b0/0x3b0
[ 221.895187][ T5453] sysfs_create_dir_ns+0x252/0x280
[ 221.900309][ T5453] ? __lock_acquire+0x7c60/0x7c60
[ 221.905425][ T5453] ? sysfs_warn_dup+0xa0/0xa0
[ 221.910111][ T5453] ? do_raw_spin_unlock+0x11d/0x230
[ 221.915328][ T5453] kobject_add_internal+0x662/0xd00
[ 221.920711][ T5453] kobject_init_and_add+0x122/0x190
[ 221.925913][ T5453] ? lockdep_softirqs_off+0x420/0x420
[ 221.931289][ T5453] ? kobject_add+0x210/0x210
[ 221.935863][ T5453] ? __init_swait_queue_head+0xa5/0x150
[ 221.941398][ T5453] gfs2_sys_fs_add+0x234/0x480
[ 221.946249][ T5453] ? gfs2_recover_set+0x240/0x240
[ 221.951339][ T5453] ? snprintf+0xd7/0x120
[ 221.955646][ T5453] ? __free_pages+0x95/0x1a0
[ 221.960215][ T5453] ? vscnprintf+0x80/0x80
[ 221.964530][ T5453] gfs2_fill_super+0x128d/0x1f50
[ 221.969458][ T5453] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.974549][ T5453] ? preempt_count_add+0x8d/0x190
[ 221.979584][ T5453] ? sb_set_blocksize+0xa5/0xe0
[ 221.984425][ T5453] get_tree_bdev+0x3f1/0x610
[ 221.989016][ T5453] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.994122][ T5453] gfs2_get_tree+0x4d/0x1e0
[ 221.998622][ T5453] vfs_get_tree+0x88/0x270
[ 222.003034][ T5453] do_new_mount+0x24a/0xa40
[ 222.007716][ T5453] __se_sys_mount+0x2d6/0x3c0
[ 222.012399][ T5453] ? __x64_sys_mount+0xc0/0xc0
[ 222.017156][ T5453] ? lockdep_hardirqs_on+0x94/0x140
[ 222.022346][ T5453] ? __x64_sys_mount+0x1c/0xc0
[ 222.027314][ T5453] do_syscall_64+0x4c/0xa0
[ 222.031763][ T5453] ? clear_bhb_loop+0x30/0x80
[ 222.036474][ T5453] ? clear_bhb_loop+0x30/0x80
[ 222.041319][ T5453] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.047221][ T5453] RIP: 0033:0x7fa0bfeb990a
[ 222.051633][ T5453] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 222.071426][ T5453] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.080048][ T5453] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 222.088017][ T5453] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 222.096042][ T5453] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 222.104004][ T5453] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 222.111961][ T5453] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 222.120152][ T5453]
[ 222.123812][ T4338] Bluetooth: hci0: command 0x0406 tx timeout
[ 222.130771][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.144128][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.464313][ T5455] loop1: detected capacity change from 0 to 32768
[ 222.473971][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.483415][ T5455] CPU: 0 PID: 5455 Comm: syz.1.172 Not tainted syzkaller #0
[ 222.490906][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 222.500975][ T5455] Call Trace:
[ 222.504264][ T5455]
[ 222.507201][ T5455] dump_stack_lvl+0x168/0x230
[ 222.511892][ T5455] ? show_regs_print_info+0x20/0x20
[ 222.517096][ T5455] ? load_image+0x3b0/0x3b0
[ 222.521606][ T5455] sysfs_create_dir_ns+0x252/0x280
[ 222.526908][ T5455] ? __lock_acquire+0x7c60/0x7c60
[ 222.532041][ T5455] ? sysfs_warn_dup+0xa0/0xa0
[ 222.536722][ T5455] ? do_raw_spin_unlock+0x11d/0x230
[ 222.542024][ T5455] kobject_add_internal+0x662/0xd00
[ 222.547312][ T5455] kobject_init_and_add+0x122/0x190
[ 222.552488][ T5455] ? lockdep_softirqs_off+0x420/0x420
[ 222.557989][ T5455] ? kobject_add+0x210/0x210
[ 222.562607][ T5455] ? __init_swait_queue_head+0xa5/0x150
[ 222.568277][ T5455] gfs2_sys_fs_add+0x234/0x480
[ 222.573036][ T5455] ? gfs2_recover_set+0x240/0x240
[ 222.578057][ T5455] ? snprintf+0xd7/0x120
[ 222.582282][ T5455] ? __free_pages+0x95/0x1a0
[ 222.586973][ T5455] ? vscnprintf+0x80/0x80
[ 222.591321][ T5455] gfs2_fill_super+0x128d/0x1f50
[ 222.596265][ T5455] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.601270][ T5455] ? preempt_count_add+0x8d/0x190
[ 222.606474][ T5455] ? sb_set_blocksize+0xa5/0xe0
[ 222.611323][ T5455] get_tree_bdev+0x3f1/0x610
[ 222.615997][ T5455] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.621028][ T5455] gfs2_get_tree+0x4d/0x1e0
[ 222.625532][ T5455] vfs_get_tree+0x88/0x270
[ 222.630285][ T5455] do_new_mount+0x24a/0xa40
[ 222.634951][ T5455] __se_sys_mount+0x2d6/0x3c0
[ 222.639709][ T5455] ? __x64_sys_mount+0xc0/0xc0
[ 222.644558][ T5455] ? lockdep_hardirqs_on+0x94/0x140
[ 222.650045][ T5455] ? __x64_sys_mount+0x1c/0xc0
[ 222.654949][ T5455] do_syscall_64+0x4c/0xa0
[ 222.659368][ T5455] ? clear_bhb_loop+0x30/0x80
[ 222.664040][ T5455] ? clear_bhb_loop+0x30/0x80
[ 222.668873][ T5455] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.674812][ T5455] RIP: 0033:0x7fa0bfeb990a
[ 222.679241][ T5455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 222.699001][ T5455] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.707407][ T5455] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 222.715365][ T5455] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 222.723320][ T5455] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 222.731363][ T5455] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 222.739400][ T5455] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 222.747377][ T5455]
[ 222.751705][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.764930][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.092438][ T5457] loop1: detected capacity change from 0 to 32768
[ 223.137191][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.146720][ T5457] CPU: 0 PID: 5457 Comm: syz.1.173 Not tainted syzkaller #0
[ 223.154317][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 223.164387][ T5457] Call Trace:
[ 223.167670][ T5457]
[ 223.170596][ T5457] dump_stack_lvl+0x168/0x230
[ 223.175455][ T5457] ? show_regs_print_info+0x20/0x20
[ 223.180662][ T5457] ? load_image+0x3b0/0x3b0
[ 223.185200][ T5457] sysfs_create_dir_ns+0x252/0x280
[ 223.190326][ T5457] ? __lock_acquire+0x7c60/0x7c60
[ 223.195357][ T5457] ? sysfs_warn_dup+0xa0/0xa0
[ 223.200146][ T5457] ? do_raw_spin_unlock+0x11d/0x230
[ 223.205535][ T5457] kobject_add_internal+0x662/0xd00
[ 223.210771][ T5457] kobject_init_and_add+0x122/0x190
[ 223.215983][ T5457] ? lockdep_softirqs_off+0x420/0x420
[ 223.221561][ T5457] ? kobject_add+0x210/0x210
[ 223.226156][ T5457] ? __init_swait_queue_head+0xa5/0x150
[ 223.231698][ T5457] gfs2_sys_fs_add+0x234/0x480
[ 223.236468][ T5457] ? gfs2_recover_set+0x240/0x240
[ 223.241489][ T5457] ? snprintf+0xd7/0x120
[ 223.245865][ T5457] ? __free_pages+0x95/0x1a0
[ 223.250451][ T5457] ? vscnprintf+0x80/0x80
[ 223.254776][ T5457] gfs2_fill_super+0x128d/0x1f50
[ 223.259802][ T5457] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.264831][ T5457] ? preempt_count_add+0x8d/0x190
[ 223.269888][ T5457] ? sb_set_blocksize+0xa5/0xe0
[ 223.274731][ T5457] get_tree_bdev+0x3f1/0x610
[ 223.279311][ T5457] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.284374][ T5457] gfs2_get_tree+0x4d/0x1e0
[ 223.288958][ T5457] vfs_get_tree+0x88/0x270
[ 223.293496][ T5457] do_new_mount+0x24a/0xa40
[ 223.298012][ T5457] __se_sys_mount+0x2d6/0x3c0
[ 223.302780][ T5457] ? __x64_sys_mount+0xc0/0xc0
[ 223.307528][ T5457] ? lockdep_hardirqs_on+0x94/0x140
[ 223.312784][ T5457] ? __x64_sys_mount+0x1c/0xc0
[ 223.317634][ T5457] do_syscall_64+0x4c/0xa0
[ 223.322116][ T5457] ? clear_bhb_loop+0x30/0x80
[ 223.326786][ T5457] ? clear_bhb_loop+0x30/0x80
[ 223.331449][ T5457] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.337628][ T5457] RIP: 0033:0x7fa0bfeb990a
[ 223.342120][ T5457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 223.361835][ T5457] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.370609][ T5457] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 223.378584][ T5457] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 223.386559][ T5457] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 223.394692][ T5457] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 223.402780][ T5457] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 223.410792][ T5457]
[ 223.415001][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.428153][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.737711][ T5459] loop1: detected capacity change from 0 to 32768
[ 223.781720][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.791737][ T5459] CPU: 0 PID: 5459 Comm: syz.1.174 Not tainted syzkaller #0
[ 223.799054][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 223.809126][ T5459] Call Trace:
[ 223.812412][ T5459]
[ 223.815343][ T5459] dump_stack_lvl+0x168/0x230
[ 223.820035][ T5459] ? show_regs_print_info+0x20/0x20
[ 223.825434][ T5459] ? load_image+0x3b0/0x3b0
[ 223.830045][ T5459] sysfs_create_dir_ns+0x252/0x280
[ 223.835258][ T5459] ? __lock_acquire+0x7c60/0x7c60
[ 223.840285][ T5459] ? sysfs_warn_dup+0xa0/0xa0
[ 223.844973][ T5459] ? do_raw_spin_unlock+0x11d/0x230
[ 223.850294][ T5459] kobject_add_internal+0x662/0xd00
[ 223.855503][ T5459] kobject_init_and_add+0x122/0x190
[ 223.860793][ T5459] ? lockdep_softirqs_off+0x420/0x420
[ 223.866290][ T5459] ? kobject_add+0x210/0x210
[ 223.870875][ T5459] ? __init_swait_queue_head+0xa5/0x150
[ 223.876411][ T5459] gfs2_sys_fs_add+0x234/0x480
[ 223.881169][ T5459] ? gfs2_recover_set+0x240/0x240
[ 223.886189][ T5459] ? snprintf+0xd7/0x120
[ 223.890428][ T5459] ? __free_pages+0x95/0x1a0
[ 223.895001][ T5459] ? vscnprintf+0x80/0x80
[ 223.899314][ T5459] gfs2_fill_super+0x128d/0x1f50
[ 223.904236][ T5459] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.909329][ T5459] ? preempt_count_add+0x8d/0x190
[ 223.914338][ T5459] ? sb_set_blocksize+0xa5/0xe0
[ 223.919368][ T5459] get_tree_bdev+0x3f1/0x610
[ 223.923965][ T5459] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.929320][ T5459] gfs2_get_tree+0x4d/0x1e0
[ 223.933802][ T5459] vfs_get_tree+0x88/0x270
[ 223.938301][ T5459] do_new_mount+0x24a/0xa40
[ 223.942802][ T5459] __se_sys_mount+0x2d6/0x3c0
[ 223.947482][ T5459] ? __x64_sys_mount+0xc0/0xc0
[ 223.952243][ T5459] ? lockdep_hardirqs_on+0x94/0x140
[ 223.957541][ T5459] ? __x64_sys_mount+0x1c/0xc0
[ 223.962304][ T5459] do_syscall_64+0x4c/0xa0
[ 223.966750][ T5459] ? clear_bhb_loop+0x30/0x80
[ 223.971405][ T5459] ? clear_bhb_loop+0x30/0x80
[ 223.976073][ T5459] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.981959][ T5459] RIP: 0033:0x7fa0bfeb990a
[ 223.986445][ T5459] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 224.006038][ T5459] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.014530][ T5459] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 224.022502][ T5459] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 224.030557][ T5459] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 224.038599][ T5459] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 224.046644][ T5459] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 224.054641][ T5459]
[ 224.064088][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.078106][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.399832][ T5461] loop1: detected capacity change from 0 to 32768
[ 224.437867][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.449261][ T5461] CPU: 0 PID: 5461 Comm: syz.1.175 Not tainted syzkaller #0
[ 224.456587][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 224.466745][ T5461] Call Trace:
[ 224.470028][ T5461]
[ 224.472958][ T5461] dump_stack_lvl+0x168/0x230
[ 224.477647][ T5461] ? show_regs_print_info+0x20/0x20
[ 224.482868][ T5461] ? load_image+0x3b0/0x3b0
[ 224.487394][ T5461] sysfs_create_dir_ns+0x252/0x280
[ 224.492521][ T5461] ? __lock_acquire+0x7c60/0x7c60
[ 224.497561][ T5461] ? sysfs_warn_dup+0xa0/0xa0
[ 224.502292][ T5461] ? do_raw_spin_unlock+0x11d/0x230
[ 224.507501][ T5461] kobject_add_internal+0x662/0xd00
[ 224.512897][ T5461] kobject_init_and_add+0x122/0x190
[ 224.518099][ T5461] ? lockdep_softirqs_off+0x420/0x420
[ 224.523560][ T5461] ? kobject_add+0x210/0x210
[ 224.528140][ T5461] ? __init_swait_queue_head+0xa5/0x150
[ 224.533746][ T5461] gfs2_sys_fs_add+0x234/0x480
[ 224.538772][ T5461] ? gfs2_recover_set+0x240/0x240
[ 224.543783][ T5461] ? snprintf+0xd7/0x120
[ 224.548011][ T5461] ? __free_pages+0x95/0x1a0
[ 224.552587][ T5461] ? vscnprintf+0x80/0x80
[ 224.556918][ T5461] gfs2_fill_super+0x128d/0x1f50
[ 224.561963][ T5461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.567020][ T5461] ? preempt_count_add+0x8d/0x190
[ 224.572034][ T5461] ? sb_set_blocksize+0xa5/0xe0
[ 224.576867][ T5461] get_tree_bdev+0x3f1/0x610
[ 224.581533][ T5461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.586650][ T5461] gfs2_get_tree+0x4d/0x1e0
[ 224.591143][ T5461] vfs_get_tree+0x88/0x270
[ 224.595555][ T5461] do_new_mount+0x24a/0xa40
[ 224.600141][ T5461] __se_sys_mount+0x2d6/0x3c0
[ 224.604902][ T5461] ? __x64_sys_mount+0xc0/0xc0
[ 224.609706][ T5461] ? lockdep_hardirqs_on+0x94/0x140
[ 224.614883][ T5461] ? __x64_sys_mount+0x1c/0xc0
[ 224.619632][ T5461] do_syscall_64+0x4c/0xa0
[ 224.624116][ T5461] ? clear_bhb_loop+0x30/0x80
[ 224.628783][ T5461] ? clear_bhb_loop+0x30/0x80
[ 224.633569][ T5461] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.639580][ T5461] RIP: 0033:0x7fa0bfeb990a
[ 224.644157][ T5461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 224.664066][ T5461] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.672472][ T5461] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 224.680428][ T5461] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 224.688488][ T5461] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 224.696545][ T5461] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 224.704522][ T5461] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 224.712660][ T5461]
[ 224.716999][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.730366][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.067875][ T5463] loop1: detected capacity change from 0 to 32768
[ 225.108828][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.116388][ T5463] CPU: 0 PID: 5463 Comm: syz.1.176 Not tainted syzkaller #0
[ 225.123775][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 225.133839][ T5463] Call Trace:
[ 225.137156][ T5463]
[ 225.140091][ T5463] dump_stack_lvl+0x168/0x230
[ 225.144781][ T5463] ? show_regs_print_info+0x20/0x20
[ 225.149991][ T5463] ? load_image+0x3b0/0x3b0
[ 225.154524][ T5463] sysfs_create_dir_ns+0x252/0x280
[ 225.159652][ T5463] ? __lock_acquire+0x7c60/0x7c60
[ 225.164774][ T5463] ? sysfs_warn_dup+0xa0/0xa0
[ 225.169463][ T5463] ? do_raw_spin_unlock+0x11d/0x230
[ 225.174670][ T5463] kobject_add_internal+0x662/0xd00
[ 225.179878][ T5463] kobject_init_and_add+0x122/0x190
[ 225.185076][ T5463] ? lockdep_softirqs_off+0x420/0x420
[ 225.190519][ T5463] ? kobject_add+0x210/0x210
[ 225.195206][ T5463] ? __init_swait_queue_head+0xa5/0x150
[ 225.200763][ T5463] gfs2_sys_fs_add+0x234/0x480
[ 225.205511][ T5463] ? gfs2_recover_set+0x240/0x240
[ 225.210531][ T5463] ? snprintf+0xd7/0x120
[ 225.214755][ T5463] ? __free_pages+0x95/0x1a0
[ 225.219325][ T5463] ? vscnprintf+0x80/0x80
[ 225.223659][ T5463] gfs2_fill_super+0x128d/0x1f50
[ 225.228660][ T5463] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.233764][ T5463] ? preempt_count_add+0x8d/0x190
[ 225.238780][ T5463] ? sb_set_blocksize+0xa5/0xe0
[ 225.243787][ T5463] get_tree_bdev+0x3f1/0x610
[ 225.248510][ T5463] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.253638][ T5463] gfs2_get_tree+0x4d/0x1e0
[ 225.258239][ T5463] vfs_get_tree+0x88/0x270
[ 225.262780][ T5463] do_new_mount+0x24a/0xa40
[ 225.267296][ T5463] __se_sys_mount+0x2d6/0x3c0
[ 225.271963][ T5463] ? __x64_sys_mount+0xc0/0xc0
[ 225.276724][ T5463] ? lockdep_hardirqs_on+0x94/0x140
[ 225.281989][ T5463] ? __x64_sys_mount+0x1c/0xc0
[ 225.286739][ T5463] do_syscall_64+0x4c/0xa0
[ 225.291148][ T5463] ? clear_bhb_loop+0x30/0x80
[ 225.295808][ T5463] ? clear_bhb_loop+0x30/0x80
[ 225.300481][ T5463] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.306463][ T5463] RIP: 0033:0x7fa0bfeb990a
[ 225.310863][ T5463] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 225.330470][ T5463] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.338986][ T5463] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 225.347124][ T5463] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 225.355534][ T5463] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 225.363711][ T5463] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 225.371774][ T5463] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 225.379737][ T5463]
[ 225.384114][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.397440][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.703593][ T5465] loop1: detected capacity change from 0 to 32768
[ 225.774437][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.782080][ T5465] CPU: 1 PID: 5465 Comm: syz.1.177 Not tainted syzkaller #0
[ 225.789387][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 225.799655][ T5465] Call Trace:
[ 225.802941][ T5465]
[ 225.805873][ T5465] dump_stack_lvl+0x168/0x230
[ 225.810685][ T5465] ? show_regs_print_info+0x20/0x20
[ 225.815896][ T5465] ? load_image+0x3b0/0x3b0
[ 225.820429][ T5465] sysfs_create_dir_ns+0x252/0x280
[ 225.825690][ T5465] ? __lock_acquire+0x7c60/0x7c60
[ 225.830723][ T5465] ? sysfs_warn_dup+0xa0/0xa0
[ 225.835411][ T5465] ? do_raw_spin_unlock+0x11d/0x230
[ 225.840715][ T5465] kobject_add_internal+0x662/0xd00
[ 225.846108][ T5465] kobject_init_and_add+0x122/0x190
[ 225.851432][ T5465] ? lockdep_softirqs_off+0x420/0x420
[ 225.856815][ T5465] ? kobject_add+0x210/0x210
[ 225.861402][ T5465] ? __init_swait_queue_head+0xa5/0x150
[ 225.867055][ T5465] gfs2_sys_fs_add+0x234/0x480
[ 225.871831][ T5465] ? gfs2_recover_set+0x240/0x240
[ 225.876842][ T5465] ? snprintf+0xd7/0x120
[ 225.881071][ T5465] ? __free_pages+0x95/0x1a0
[ 225.885655][ T5465] ? vscnprintf+0x80/0x80
[ 225.889989][ T5465] gfs2_fill_super+0x128d/0x1f50
[ 225.894914][ T5465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.899924][ T5465] ? preempt_count_add+0x8d/0x190
[ 225.904937][ T5465] ? sb_set_blocksize+0xa5/0xe0
[ 225.909775][ T5465] get_tree_bdev+0x3f1/0x610
[ 225.914373][ T5465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.919384][ T5465] gfs2_get_tree+0x4d/0x1e0
[ 225.923865][ T5465] vfs_get_tree+0x88/0x270
[ 225.928264][ T5465] do_new_mount+0x24a/0xa40
[ 225.932748][ T5465] __se_sys_mount+0x2d6/0x3c0
[ 225.937405][ T5465] ? __x64_sys_mount+0xc0/0xc0
[ 225.942147][ T5465] ? lockdep_hardirqs_on+0x94/0x140
[ 225.947345][ T5465] ? __x64_sys_mount+0x1c/0xc0
[ 225.952189][ T5465] do_syscall_64+0x4c/0xa0
[ 225.956587][ T5465] ? clear_bhb_loop+0x30/0x80
[ 225.961245][ T5465] ? clear_bhb_loop+0x30/0x80
[ 225.965926][ T5465] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.971818][ T5465] RIP: 0033:0x7fa0bfeb990a
[ 225.976213][ T5465] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 225.995883][ T5465] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.004665][ T5465] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 226.012711][ T5465] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 226.020676][ T5465] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 226.028716][ T5465] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 226.036727][ T5465] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 226.044691][ T5465]
[ 226.049139][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.062608][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/13 10:19:23 executed programs: 164
[ 226.376008][ T5467] loop1: detected capacity change from 0 to 32768
[ 226.451434][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.458841][ T5467] CPU: 1 PID: 5467 Comm: syz.1.178 Not tainted syzkaller #0
[ 226.466132][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 226.476195][ T5467] Call Trace:
[ 226.479480][ T5467]
[ 226.482414][ T5467] dump_stack_lvl+0x168/0x230
[ 226.487106][ T5467] ? show_regs_print_info+0x20/0x20
[ 226.492315][ T5467] ? load_image+0x3b0/0x3b0
[ 226.496850][ T5467] sysfs_create_dir_ns+0x252/0x280
[ 226.501979][ T5467] ? __lock_acquire+0x7c60/0x7c60
[ 226.507119][ T5467] ? sysfs_warn_dup+0xa0/0xa0
[ 226.511809][ T5467] ? do_raw_spin_unlock+0x11d/0x230
[ 226.517025][ T5467] kobject_add_internal+0x662/0xd00
[ 226.522254][ T5467] kobject_init_and_add+0x122/0x190
[ 226.527646][ T5467] ? lockdep_softirqs_off+0x420/0x420
[ 226.533122][ T5467] ? kobject_add+0x210/0x210
[ 226.537720][ T5467] ? __init_swait_queue_head+0xa5/0x150
[ 226.543258][ T5467] gfs2_sys_fs_add+0x234/0x480
[ 226.548197][ T5467] ? gfs2_recover_set+0x240/0x240
[ 226.553211][ T5467] ? snprintf+0xd7/0x120
[ 226.557438][ T5467] ? __free_pages+0x95/0x1a0
[ 226.562024][ T5467] ? vscnprintf+0x80/0x80
[ 226.566385][ T5467] gfs2_fill_super+0x128d/0x1f50
[ 226.571341][ T5467] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.576376][ T5467] ? preempt_count_add+0x8d/0x190
[ 226.581924][ T5467] ? sb_set_blocksize+0xa5/0xe0
[ 226.586778][ T5467] get_tree_bdev+0x3f1/0x610
[ 226.591359][ T5467] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.596388][ T5467] gfs2_get_tree+0x4d/0x1e0
[ 226.600889][ T5467] vfs_get_tree+0x88/0x270
[ 226.605337][ T5467] do_new_mount+0x24a/0xa40
[ 226.609852][ T5467] __se_sys_mount+0x2d6/0x3c0
[ 226.614638][ T5467] ? __x64_sys_mount+0xc0/0xc0
[ 226.619415][ T5467] ? lockdep_hardirqs_on+0x94/0x140
[ 226.624751][ T5467] ? __x64_sys_mount+0x1c/0xc0
[ 226.629566][ T5467] do_syscall_64+0x4c/0xa0
[ 226.634296][ T5467] ? clear_bhb_loop+0x30/0x80
[ 226.638963][ T5467] ? clear_bhb_loop+0x30/0x80
[ 226.643710][ T5467] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.649590][ T5467] RIP: 0033:0x7fa0bfeb990a
[ 226.653986][ T5467] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 226.673666][ T5467] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.682078][ T5467] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 226.690271][ T5467] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 226.698258][ T5467] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 226.706457][ T5467] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 226.714514][ T5467] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 226.722713][ T5467]
[ 226.727236][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.740870][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.055207][ T5469] loop1: detected capacity change from 0 to 32768
[ 227.119502][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.127124][ T5469] CPU: 0 PID: 5469 Comm: syz.1.179 Not tainted syzkaller #0
[ 227.134510][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 227.144668][ T5469] Call Trace:
[ 227.147960][ T5469]
[ 227.150974][ T5469] dump_stack_lvl+0x168/0x230
[ 227.155838][ T5469] ? show_regs_print_info+0x20/0x20
[ 227.161224][ T5469] ? load_image+0x3b0/0x3b0
[ 227.165756][ T5469] sysfs_create_dir_ns+0x252/0x280
[ 227.170875][ T5469] ? __lock_acquire+0x7c60/0x7c60
[ 227.175905][ T5469] ? sysfs_warn_dup+0xa0/0xa0
[ 227.180592][ T5469] ? do_raw_spin_unlock+0x11d/0x230
[ 227.185801][ T5469] kobject_add_internal+0x662/0xd00
[ 227.191029][ T5469] kobject_init_and_add+0x122/0x190
[ 227.196279][ T5469] ? lockdep_softirqs_off+0x420/0x420
[ 227.201670][ T5469] ? kobject_add+0x210/0x210
[ 227.206246][ T5469] ? __init_swait_queue_head+0xa5/0x150
[ 227.211861][ T5469] gfs2_sys_fs_add+0x234/0x480
[ 227.216605][ T5469] ? gfs2_recover_set+0x240/0x240
[ 227.221619][ T5469] ? snprintf+0xd7/0x120
[ 227.225850][ T5469] ? __free_pages+0x95/0x1a0
[ 227.230416][ T5469] ? vscnprintf+0x80/0x80
[ 227.234732][ T5469] gfs2_fill_super+0x128d/0x1f50
[ 227.239918][ T5469] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.245085][ T5469] ? preempt_count_add+0x8d/0x190
[ 227.250119][ T5469] ? sb_set_blocksize+0xa5/0xe0
[ 227.254962][ T5469] get_tree_bdev+0x3f1/0x610
[ 227.259552][ T5469] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.264565][ T5469] gfs2_get_tree+0x4d/0x1e0
[ 227.269066][ T5469] vfs_get_tree+0x88/0x270
[ 227.273504][ T5469] do_new_mount+0x24a/0xa40
[ 227.278016][ T5469] __se_sys_mount+0x2d6/0x3c0
[ 227.282827][ T5469] ? __x64_sys_mount+0xc0/0xc0
[ 227.287603][ T5469] ? lockdep_hardirqs_on+0x94/0x140
[ 227.292788][ T5469] ? __x64_sys_mount+0x1c/0xc0
[ 227.297536][ T5469] do_syscall_64+0x4c/0xa0
[ 227.302055][ T5469] ? clear_bhb_loop+0x30/0x80
[ 227.306805][ T5469] ? clear_bhb_loop+0x30/0x80
[ 227.311475][ T5469] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.317362][ T5469] RIP: 0033:0x7fa0bfeb990a
[ 227.321772][ T5469] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 227.341627][ T5469] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.350266][ T5469] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 227.358574][ T5469] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 227.366541][ T5469] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 227.374716][ T5469] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 227.382860][ T5469] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 227.390854][ T5469]
[ 227.397640][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.412149][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.717640][ T5471] loop1: detected capacity change from 0 to 32768
[ 227.804329][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.812398][ T5471] CPU: 1 PID: 5471 Comm: syz.1.180 Not tainted syzkaller #0
[ 227.819876][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 227.830087][ T5471] Call Trace:
[ 227.833480][ T5471]
[ 227.836420][ T5471] dump_stack_lvl+0x168/0x230
[ 227.841114][ T5471] ? show_regs_print_info+0x20/0x20
[ 227.846449][ T5471] ? load_image+0x3b0/0x3b0
[ 227.850963][ T5471] sysfs_create_dir_ns+0x252/0x280
[ 227.856082][ T5471] ? __lock_acquire+0x7c60/0x7c60
[ 227.861319][ T5471] ? sysfs_warn_dup+0xa0/0xa0
[ 227.866184][ T5471] ? do_raw_spin_unlock+0x11d/0x230
[ 227.871579][ T5471] kobject_add_internal+0x662/0xd00
[ 227.876772][ T5471] kobject_init_and_add+0x122/0x190
[ 227.882061][ T5471] ? lockdep_softirqs_off+0x420/0x420
[ 227.887512][ T5471] ? kobject_add+0x210/0x210
[ 227.892100][ T5471] ? __init_swait_queue_head+0xa5/0x150
[ 227.897728][ T5471] gfs2_sys_fs_add+0x234/0x480
[ 227.902577][ T5471] ? gfs2_recover_set+0x240/0x240
[ 227.907846][ T5471] ? snprintf+0xd7/0x120
[ 227.912088][ T5471] ? __free_pages+0x95/0x1a0
[ 227.916672][ T5471] ? vscnprintf+0x80/0x80
[ 227.921029][ T5471] gfs2_fill_super+0x128d/0x1f50
[ 227.926035][ T5471] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.931244][ T5471] ? preempt_count_add+0x8d/0x190
[ 227.936262][ T5471] ? sb_set_blocksize+0xa5/0xe0
[ 227.941104][ T5471] get_tree_bdev+0x3f1/0x610
[ 227.945915][ T5471] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.950937][ T5471] gfs2_get_tree+0x4d/0x1e0
[ 227.955538][ T5471] vfs_get_tree+0x88/0x270
[ 227.960084][ T5471] do_new_mount+0x24a/0xa40
[ 227.964692][ T5471] __se_sys_mount+0x2d6/0x3c0
[ 227.969468][ T5471] ? __x64_sys_mount+0xc0/0xc0
[ 227.974232][ T5471] ? lockdep_hardirqs_on+0x94/0x140
[ 227.979599][ T5471] ? __x64_sys_mount+0x1c/0xc0
[ 227.984356][ T5471] do_syscall_64+0x4c/0xa0
[ 227.988758][ T5471] ? clear_bhb_loop+0x30/0x80
[ 227.993504][ T5471] ? clear_bhb_loop+0x30/0x80
[ 227.998180][ T5471] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.004077][ T5471] RIP: 0033:0x7fa0bfeb990a
[ 228.008486][ T5471] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 228.028311][ T5471] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.037153][ T5471] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 228.045535][ T5471] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 228.053711][ T5471] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 228.062032][ T5471] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 228.070095][ T5471] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 228.078185][ T5471]
[ 228.084528][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.097834][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.430347][ T5473] loop1: detected capacity change from 0 to 32768
[ 228.470161][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.477627][ T5473] CPU: 1 PID: 5473 Comm: syz.1.181 Not tainted syzkaller #0
[ 228.485009][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 228.495186][ T5473] Call Trace:
[ 228.498586][ T5473]
[ 228.501614][ T5473] dump_stack_lvl+0x168/0x230
[ 228.506306][ T5473] ? show_regs_print_info+0x20/0x20
[ 228.511524][ T5473] ? load_image+0x3b0/0x3b0
[ 228.516056][ T5473] sysfs_create_dir_ns+0x252/0x280
[ 228.521186][ T5473] ? __lock_acquire+0x7c60/0x7c60
[ 228.526223][ T5473] ? sysfs_warn_dup+0xa0/0xa0
[ 228.530996][ T5473] ? do_raw_spin_unlock+0x11d/0x230
[ 228.536221][ T5473] kobject_add_internal+0x662/0xd00
[ 228.541609][ T5473] kobject_init_and_add+0x122/0x190
[ 228.546803][ T5473] ? lockdep_softirqs_off+0x420/0x420
[ 228.552254][ T5473] ? kobject_add+0x210/0x210
[ 228.556925][ T5473] ? __init_swait_queue_head+0xa5/0x150
[ 228.562636][ T5473] gfs2_sys_fs_add+0x234/0x480
[ 228.567402][ T5473] ? gfs2_recover_set+0x240/0x240
[ 228.572734][ T5473] ? snprintf+0xd7/0x120
[ 228.576963][ T5473] ? __free_pages+0x95/0x1a0
[ 228.581543][ T5473] ? vscnprintf+0x80/0x80
[ 228.585983][ T5473] gfs2_fill_super+0x128d/0x1f50
[ 228.591107][ T5473] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.596157][ T5473] ? preempt_count_add+0x8d/0x190
[ 228.601184][ T5473] ? sb_set_blocksize+0xa5/0xe0
[ 228.606278][ T5473] get_tree_bdev+0x3f1/0x610
[ 228.610935][ T5473] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.616194][ T5473] gfs2_get_tree+0x4d/0x1e0
[ 228.620886][ T5473] vfs_get_tree+0x88/0x270
[ 228.625302][ T5473] do_new_mount+0x24a/0xa40
[ 228.629792][ T5473] __se_sys_mount+0x2d6/0x3c0
[ 228.634893][ T5473] ? __x64_sys_mount+0xc0/0xc0
[ 228.639637][ T5473] ? lockdep_hardirqs_on+0x94/0x140
[ 228.644815][ T5473] ? __x64_sys_mount+0x1c/0xc0
[ 228.649670][ T5473] do_syscall_64+0x4c/0xa0
[ 228.654065][ T5473] ? clear_bhb_loop+0x30/0x80
[ 228.658747][ T5473] ? clear_bhb_loop+0x30/0x80
[ 228.663452][ T5473] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.669459][ T5473] RIP: 0033:0x7fa0bfeb990a
[ 228.673901][ T5473] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 228.693610][ T5473] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.702282][ T5473] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 228.710238][ T5473] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 228.718396][ T5473] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 228.726354][ T5473] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 228.734326][ T5473] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 228.742470][ T5473]
[ 228.748363][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.762087][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.087134][ T5475] loop1: detected capacity change from 0 to 32768
[ 229.148538][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.157933][ T5475] CPU: 0 PID: 5475 Comm: syz.1.182 Not tainted syzkaller #0
[ 229.165330][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 229.175487][ T5475] Call Trace:
[ 229.178774][ T5475]
[ 229.181713][ T5475] dump_stack_lvl+0x168/0x230
[ 229.186402][ T5475] ? show_regs_print_info+0x20/0x20
[ 229.191609][ T5475] ? load_image+0x3b0/0x3b0
[ 229.196133][ T5475] sysfs_create_dir_ns+0x252/0x280
[ 229.201385][ T5475] ? __lock_acquire+0x7c60/0x7c60
[ 229.206515][ T5475] ? sysfs_warn_dup+0xa0/0xa0
[ 229.211206][ T5475] ? do_raw_spin_unlock+0x11d/0x230
[ 229.216408][ T5475] kobject_add_internal+0x662/0xd00
[ 229.221630][ T5475] kobject_init_and_add+0x122/0x190
[ 229.226933][ T5475] ? lockdep_softirqs_off+0x420/0x420
[ 229.232417][ T5475] ? kobject_add+0x210/0x210
[ 229.237022][ T5475] ? __init_swait_queue_head+0xa5/0x150
[ 229.242650][ T5475] gfs2_sys_fs_add+0x234/0x480
[ 229.247576][ T5475] ? gfs2_recover_set+0x240/0x240
[ 229.252587][ T5475] ? snprintf+0xd7/0x120
[ 229.256844][ T5475] ? __free_pages+0x95/0x1a0
[ 229.261525][ T5475] ? vscnprintf+0x80/0x80
[ 229.266032][ T5475] gfs2_fill_super+0x128d/0x1f50
[ 229.271059][ T5475] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.276092][ T5475] ? preempt_count_add+0x8d/0x190
[ 229.281363][ T5475] ? sb_set_blocksize+0xa5/0xe0
[ 229.286360][ T5475] get_tree_bdev+0x3f1/0x610
[ 229.290940][ T5475] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.295950][ T5475] gfs2_get_tree+0x4d/0x1e0
[ 229.300436][ T5475] vfs_get_tree+0x88/0x270
[ 229.304855][ T5475] do_new_mount+0x24a/0xa40
[ 229.309347][ T5475] __se_sys_mount+0x2d6/0x3c0
[ 229.314005][ T5475] ? __x64_sys_mount+0xc0/0xc0
[ 229.318842][ T5475] ? lockdep_hardirqs_on+0x94/0x140
[ 229.324022][ T5475] ? __x64_sys_mount+0x1c/0xc0
[ 229.328771][ T5475] do_syscall_64+0x4c/0xa0
[ 229.333275][ T5475] ? clear_bhb_loop+0x30/0x80
[ 229.338031][ T5475] ? clear_bhb_loop+0x30/0x80
[ 229.342776][ T5475] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.348665][ T5475] RIP: 0033:0x7fa0bfeb990a
[ 229.353066][ T5475] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 229.372660][ T5475] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.381061][ T5475] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 229.389017][ T5475] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 229.396970][ T5475] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 229.405008][ T5475] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 229.412959][ T5475] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 229.421016][ T5475]
[ 229.425456][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.438821][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.784584][ T5477] loop1: detected capacity change from 0 to 32768
[ 229.838807][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.846385][ T5477] CPU: 0 PID: 5477 Comm: syz.1.183 Not tainted syzkaller #0
[ 229.853679][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 229.863741][ T5477] Call Trace:
[ 229.867023][ T5477]
[ 229.869953][ T5477] dump_stack_lvl+0x168/0x230
[ 229.874860][ T5477] ? show_regs_print_info+0x20/0x20
[ 229.880082][ T5477] ? load_image+0x3b0/0x3b0
[ 229.884617][ T5477] sysfs_create_dir_ns+0x252/0x280
[ 229.889746][ T5477] ? __lock_acquire+0x7c60/0x7c60
[ 229.894788][ T5477] ? sysfs_warn_dup+0xa0/0xa0
[ 229.899484][ T5477] ? do_raw_spin_unlock+0x11d/0x230
[ 229.904709][ T5477] kobject_add_internal+0x662/0xd00
[ 229.910004][ T5477] kobject_init_and_add+0x122/0x190
[ 229.915417][ T5477] ? lockdep_softirqs_off+0x420/0x420
[ 229.920787][ T5477] ? kobject_add+0x210/0x210
[ 229.925559][ T5477] ? __init_swait_queue_head+0xa5/0x150
[ 229.931110][ T5477] gfs2_sys_fs_add+0x234/0x480
[ 229.935859][ T5477] ? gfs2_recover_set+0x240/0x240
[ 229.940883][ T5477] ? snprintf+0xd7/0x120
[ 229.945117][ T5477] ? __free_pages+0x95/0x1a0
[ 229.949860][ T5477] ? vscnprintf+0x80/0x80
[ 229.954323][ T5477] gfs2_fill_super+0x128d/0x1f50
[ 229.959265][ T5477] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.964281][ T5477] ? preempt_count_add+0x8d/0x190
[ 229.969303][ T5477] ? sb_set_blocksize+0xa5/0xe0
[ 229.974135][ T5477] get_tree_bdev+0x3f1/0x610
[ 229.978708][ T5477] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.983892][ T5477] gfs2_get_tree+0x4d/0x1e0
[ 229.988463][ T5477] vfs_get_tree+0x88/0x270
[ 229.992942][ T5477] do_new_mount+0x24a/0xa40
[ 229.997443][ T5477] __se_sys_mount+0x2d6/0x3c0
[ 230.002105][ T5477] ? __x64_sys_mount+0xc0/0xc0
[ 230.006852][ T5477] ? lockdep_hardirqs_on+0x94/0x140
[ 230.012027][ T5477] ? __x64_sys_mount+0x1c/0xc0
[ 230.016795][ T5477] do_syscall_64+0x4c/0xa0
[ 230.021203][ T5477] ? clear_bhb_loop+0x30/0x80
[ 230.026030][ T5477] ? clear_bhb_loop+0x30/0x80
[ 230.030781][ T5477] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.036651][ T5477] RIP: 0033:0x7fa0bfeb990a
[ 230.041135][ T5477] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 230.060819][ T5477] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.069227][ T5477] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 230.077263][ T5477] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 230.085365][ T5477] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 230.093327][ T5477] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 230.101289][ T5477] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 230.109519][ T5477]
[ 230.115656][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.129398][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.478462][ T5479] loop1: detected capacity change from 0 to 32768
[ 230.533721][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.548706][ T5479] CPU: 1 PID: 5479 Comm: syz.1.184 Not tainted syzkaller #0
[ 230.556030][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 230.566228][ T5479] Call Trace:
[ 230.569618][ T5479]
[ 230.572558][ T5479] dump_stack_lvl+0x168/0x230
[ 230.577332][ T5479] ? show_regs_print_info+0x20/0x20
[ 230.582625][ T5479] ? load_image+0x3b0/0x3b0
[ 230.587143][ T5479] sysfs_create_dir_ns+0x252/0x280
[ 230.592271][ T5479] ? __lock_acquire+0x7c60/0x7c60
[ 230.597305][ T5479] ? sysfs_warn_dup+0xa0/0xa0
[ 230.601988][ T5479] ? do_raw_spin_unlock+0x11d/0x230
[ 230.607211][ T5479] kobject_add_internal+0x662/0xd00
[ 230.612444][ T5479] kobject_init_and_add+0x122/0x190
[ 230.617651][ T5479] ? lockdep_softirqs_off+0x420/0x420
[ 230.623165][ T5479] ? kobject_add+0x210/0x210
[ 230.627765][ T5479] ? __init_swait_queue_head+0xa5/0x150
[ 230.633390][ T5479] gfs2_sys_fs_add+0x234/0x480
[ 230.638231][ T5479] ? gfs2_recover_set+0x240/0x240
[ 230.643358][ T5479] ? snprintf+0xd7/0x120
[ 230.647610][ T5479] ? __free_pages+0x95/0x1a0
[ 230.652232][ T5479] ? vscnprintf+0x80/0x80
[ 230.656576][ T5479] gfs2_fill_super+0x128d/0x1f50
[ 230.661520][ T5479] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.666548][ T5479] ? preempt_count_add+0x8d/0x190
[ 230.671570][ T5479] ? sb_set_blocksize+0xa5/0xe0
[ 230.676413][ T5479] get_tree_bdev+0x3f1/0x610
[ 230.681000][ T5479] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.686029][ T5479] gfs2_get_tree+0x4d/0x1e0
[ 230.690643][ T5479] vfs_get_tree+0x88/0x270
[ 230.695046][ T5479] do_new_mount+0x24a/0xa40
[ 230.699542][ T5479] __se_sys_mount+0x2d6/0x3c0
[ 230.704208][ T5479] ? __x64_sys_mount+0xc0/0xc0
[ 230.708968][ T5479] ? lockdep_hardirqs_on+0x94/0x140
[ 230.714245][ T5479] ? __x64_sys_mount+0x1c/0xc0
[ 230.718995][ T5479] do_syscall_64+0x4c/0xa0
[ 230.723392][ T5479] ? clear_bhb_loop+0x30/0x80
[ 230.728048][ T5479] ? clear_bhb_loop+0x30/0x80
[ 230.732702][ T5479] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.738583][ T5479] RIP: 0033:0x7fa0bfeb990a
[ 230.742983][ T5479] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 230.762854][ T5479] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.771286][ T5479] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 230.779347][ T5479] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 230.787421][ T5479] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 230.795418][ T5479] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 230.803378][ T5479] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 230.811367][ T5479]
[ 230.815577][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.828840][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.134546][ T5481] loop1: detected capacity change from 0 to 32768
[ 231.191305][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.198711][ T5481] CPU: 0 PID: 5481 Comm: syz.1.185 Not tainted syzkaller #0
[ 231.206321][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 231.216408][ T5481] Call Trace:
[ 231.219794][ T5481]
[ 231.222753][ T5481] dump_stack_lvl+0x168/0x230
[ 231.227444][ T5481] ? show_regs_print_info+0x20/0x20
[ 231.233156][ T5481] ? load_image+0x3b0/0x3b0
[ 231.237854][ T5481] sysfs_create_dir_ns+0x252/0x280
[ 231.242984][ T5481] ? __lock_acquire+0x7c60/0x7c60
[ 231.248115][ T5481] ? sysfs_warn_dup+0xa0/0xa0
[ 231.252816][ T5481] ? do_raw_spin_unlock+0x11d/0x230
[ 231.258047][ T5481] kobject_add_internal+0x662/0xd00
[ 231.263318][ T5481] kobject_init_and_add+0x122/0x190
[ 231.268778][ T5481] ? lockdep_softirqs_off+0x420/0x420
[ 231.274187][ T5481] ? kobject_add+0x210/0x210
[ 231.279192][ T5481] ? __init_swait_queue_head+0xa5/0x150
[ 231.284734][ T5481] gfs2_sys_fs_add+0x234/0x480
[ 231.289490][ T5481] ? gfs2_recover_set+0x240/0x240
[ 231.294506][ T5481] ? snprintf+0xd7/0x120
[ 231.298776][ T5481] ? __free_pages+0x95/0x1a0
[ 231.303367][ T5481] ? vscnprintf+0x80/0x80
[ 231.307756][ T5481] gfs2_fill_super+0x128d/0x1f50
[ 231.312719][ T5481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.317772][ T5481] ? preempt_count_add+0x8d/0x190
[ 231.322791][ T5481] ? sb_set_blocksize+0xa5/0xe0
[ 231.327645][ T5481] get_tree_bdev+0x3f1/0x610
[ 231.332415][ T5481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.337517][ T5481] gfs2_get_tree+0x4d/0x1e0
[ 231.342290][ T5481] vfs_get_tree+0x88/0x270
[ 231.346926][ T5481] do_new_mount+0x24a/0xa40
[ 231.351423][ T5481] __se_sys_mount+0x2d6/0x3c0
[ 231.356102][ T5481] ? __x64_sys_mount+0xc0/0xc0
[ 231.360980][ T5481] ? lockdep_hardirqs_on+0x94/0x140
[ 231.366705][ T5481] ? __x64_sys_mount+0x1c/0xc0
[ 231.371622][ T5481] do_syscall_64+0x4c/0xa0
[ 231.376029][ T5481] ? clear_bhb_loop+0x30/0x80
[ 231.380718][ T5481] ? clear_bhb_loop+0x30/0x80
[ 231.385383][ T5481] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.391268][ T5481] RIP: 0033:0x7fa0bfeb990a
[ 231.395706][ T5481] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 231.415494][ T5481] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.423898][ T5481] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 231.431876][ T5481] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 231.439858][ T5481] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 231.447904][ T5481] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 231.455873][ T5481] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 231.463843][ T5481]
[ 231.468201][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.481635][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/13 10:19:29 executed programs: 172
[ 231.813192][ T5483] loop1: detected capacity change from 0 to 32768
[ 231.862079][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.869665][ T5483] CPU: 0 PID: 5483 Comm: syz.1.186 Not tainted syzkaller #0
[ 231.877042][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 231.887202][ T5483] Call Trace:
[ 231.890619][ T5483]
[ 231.893554][ T5483] dump_stack_lvl+0x168/0x230
[ 231.898248][ T5483] ? show_regs_print_info+0x20/0x20
[ 231.903540][ T5483] ? load_image+0x3b0/0x3b0
[ 231.908088][ T5483] sysfs_create_dir_ns+0x252/0x280
[ 231.913206][ T5483] ? __lock_acquire+0x7c60/0x7c60
[ 231.918235][ T5483] ? sysfs_warn_dup+0xa0/0xa0
[ 231.922920][ T5483] ? do_raw_spin_unlock+0x11d/0x230
[ 231.928130][ T5483] kobject_add_internal+0x662/0xd00
[ 231.933338][ T5483] kobject_init_and_add+0x122/0x190
[ 231.938540][ T5483] ? lockdep_softirqs_off+0x420/0x420
[ 231.943914][ T5483] ? kobject_add+0x210/0x210
[ 231.948932][ T5483] ? __init_swait_queue_head+0xa5/0x150
[ 231.954481][ T5483] gfs2_sys_fs_add+0x234/0x480
[ 231.959241][ T5483] ? gfs2_recover_set+0x240/0x240
[ 231.964345][ T5483] ? snprintf+0xd7/0x120
[ 231.968588][ T5483] ? __free_pages+0x95/0x1a0
[ 231.973165][ T5483] ? vscnprintf+0x80/0x80
[ 231.977489][ T5483] gfs2_fill_super+0x128d/0x1f50
[ 231.982427][ T5483] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.987449][ T5483] ? preempt_count_add+0x8d/0x190
[ 231.992487][ T5483] ? sb_set_blocksize+0xa5/0xe0
[ 231.997330][ T5483] get_tree_bdev+0x3f1/0x610
[ 232.001913][ T5483] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.006928][ T5483] gfs2_get_tree+0x4d/0x1e0
[ 232.011500][ T5483] vfs_get_tree+0x88/0x270
[ 232.015902][ T5483] do_new_mount+0x24a/0xa40
[ 232.020386][ T5483] __se_sys_mount+0x2d6/0x3c0
[ 232.025060][ T5483] ? __x64_sys_mount+0xc0/0xc0
[ 232.029819][ T5483] ? lockdep_hardirqs_on+0x94/0x140
[ 232.035174][ T5483] ? __x64_sys_mount+0x1c/0xc0
[ 232.039922][ T5483] do_syscall_64+0x4c/0xa0
[ 232.044318][ T5483] ? clear_bhb_loop+0x30/0x80
[ 232.048987][ T5483] ? clear_bhb_loop+0x30/0x80
[ 232.053644][ T5483] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.059514][ T5483] RIP: 0033:0x7fa0bfeb990a
[ 232.063911][ T5483] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 232.083498][ T5483] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.091896][ T5483] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 232.099853][ T5483] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 232.107799][ T5483] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 232.115837][ T5483] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 232.123883][ T5483] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 232.131951][ T5483]
[ 232.136081][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.149597][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.484349][ T5485] loop1: detected capacity change from 0 to 32768
[ 232.540700][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.548428][ T5485] CPU: 0 PID: 5485 Comm: syz.1.187 Not tainted syzkaller #0
[ 232.555813][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 232.566089][ T5485] Call Trace:
[ 232.569381][ T5485]
[ 232.572309][ T5485] dump_stack_lvl+0x168/0x230
[ 232.576997][ T5485] ? show_regs_print_info+0x20/0x20
[ 232.582239][ T5485] ? load_image+0x3b0/0x3b0
[ 232.586775][ T5485] sysfs_create_dir_ns+0x252/0x280
[ 232.591964][ T5485] ? __lock_acquire+0x7c60/0x7c60
[ 232.597258][ T5485] ? sysfs_warn_dup+0xa0/0xa0
[ 232.601949][ T5485] ? do_raw_spin_unlock+0x11d/0x230
[ 232.607266][ T5485] kobject_add_internal+0x662/0xd00
[ 232.612635][ T5485] kobject_init_and_add+0x122/0x190
[ 232.617992][ T5485] ? lockdep_softirqs_off+0x420/0x420
[ 232.623445][ T5485] ? kobject_add+0x210/0x210
[ 232.628132][ T5485] ? __init_swait_queue_head+0xa5/0x150
[ 232.633749][ T5485] gfs2_sys_fs_add+0x234/0x480
[ 232.638498][ T5485] ? gfs2_recover_set+0x240/0x240
[ 232.643500][ T5485] ? snprintf+0xd7/0x120
[ 232.647726][ T5485] ? __free_pages+0x95/0x1a0
[ 232.652299][ T5485] ? vscnprintf+0x80/0x80
[ 232.656615][ T5485] gfs2_fill_super+0x128d/0x1f50
[ 232.661708][ T5485] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.666712][ T5485] ? preempt_count_add+0x8d/0x190
[ 232.671722][ T5485] ? sb_set_blocksize+0xa5/0xe0
[ 232.676553][ T5485] get_tree_bdev+0x3f1/0x610
[ 232.681124][ T5485] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.686148][ T5485] gfs2_get_tree+0x4d/0x1e0
[ 232.690646][ T5485] vfs_get_tree+0x88/0x270
[ 232.695042][ T5485] do_new_mount+0x24a/0xa40
[ 232.699551][ T5485] __se_sys_mount+0x2d6/0x3c0
[ 232.704317][ T5485] ? __x64_sys_mount+0xc0/0xc0
[ 232.709082][ T5485] ? lockdep_hardirqs_on+0x94/0x140
[ 232.714263][ T5485] ? __x64_sys_mount+0x1c/0xc0
[ 232.719012][ T5485] do_syscall_64+0x4c/0xa0
[ 232.723577][ T5485] ? clear_bhb_loop+0x30/0x80
[ 232.728233][ T5485] ? clear_bhb_loop+0x30/0x80
[ 232.733001][ T5485] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.739137][ T5485] RIP: 0033:0x7fa0bfeb990a
[ 232.743687][ T5485] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 232.763461][ T5485] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.771941][ T5485] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 232.779896][ T5485] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 232.787845][ T5485] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 232.795797][ T5485] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 232.803930][ T5485] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 232.811904][ T5485]
[ 232.821222][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.835857][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.156533][ T5487] loop1: detected capacity change from 0 to 32768
[ 233.229772][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.237764][ T5487] CPU: 0 PID: 5487 Comm: syz.1.188 Not tainted syzkaller #0
[ 233.245162][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 233.255425][ T5487] Call Trace:
[ 233.258722][ T5487]
[ 233.261738][ T5487] dump_stack_lvl+0x168/0x230
[ 233.266433][ T5487] ? show_regs_print_info+0x20/0x20
[ 233.272174][ T5487] ? load_image+0x3b0/0x3b0
[ 233.276699][ T5487] sysfs_create_dir_ns+0x252/0x280
[ 233.281835][ T5487] ? __lock_acquire+0x7c60/0x7c60
[ 233.286910][ T5487] ? sysfs_warn_dup+0xa0/0xa0
[ 233.291685][ T5487] ? do_raw_spin_unlock+0x11d/0x230
[ 233.296981][ T5487] kobject_add_internal+0x662/0xd00
[ 233.302280][ T5487] kobject_init_and_add+0x122/0x190
[ 233.307486][ T5487] ? lockdep_softirqs_off+0x420/0x420
[ 233.312947][ T5487] ? kobject_add+0x210/0x210
[ 233.317537][ T5487] ? __init_swait_queue_head+0xa5/0x150
[ 233.323188][ T5487] gfs2_sys_fs_add+0x234/0x480
[ 233.327946][ T5487] ? gfs2_recover_set+0x240/0x240
[ 233.333148][ T5487] ? snprintf+0xd7/0x120
[ 233.337389][ T5487] ? __free_pages+0x95/0x1a0
[ 233.342059][ T5487] ? vscnprintf+0x80/0x80
[ 233.346390][ T5487] gfs2_fill_super+0x128d/0x1f50
[ 233.351319][ T5487] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.356350][ T5487] ? preempt_count_add+0x8d/0x190
[ 233.361359][ T5487] ? sb_set_blocksize+0xa5/0xe0
[ 233.366191][ T5487] get_tree_bdev+0x3f1/0x610
[ 233.370762][ T5487] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.375764][ T5487] gfs2_get_tree+0x4d/0x1e0
[ 233.380335][ T5487] vfs_get_tree+0x88/0x270
[ 233.384737][ T5487] do_new_mount+0x24a/0xa40
[ 233.389237][ T5487] __se_sys_mount+0x2d6/0x3c0
[ 233.393896][ T5487] ? __x64_sys_mount+0xc0/0xc0
[ 233.398728][ T5487] ? lockdep_hardirqs_on+0x94/0x140
[ 233.403933][ T5487] ? __x64_sys_mount+0x1c/0xc0
[ 233.408676][ T5487] do_syscall_64+0x4c/0xa0
[ 233.413073][ T5487] ? clear_bhb_loop+0x30/0x80
[ 233.417726][ T5487] ? clear_bhb_loop+0x30/0x80
[ 233.422379][ T5487] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.428249][ T5487] RIP: 0033:0x7fa0bfeb990a
[ 233.432642][ T5487] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 233.452231][ T5487] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.460714][ T5487] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 233.468665][ T5487] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 233.476613][ T5487] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 233.484564][ T5487] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 233.492518][ T5487] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 233.500505][ T5487]
[ 233.504705][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.517875][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.827810][ T5489] loop1: detected capacity change from 0 to 32768
[ 233.926123][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.934505][ T5489] CPU: 0 PID: 5489 Comm: syz.1.189 Not tainted syzkaller #0
[ 233.941942][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 233.952094][ T5489] Call Trace:
[ 233.955384][ T5489]
[ 233.958333][ T5489] dump_stack_lvl+0x168/0x230
[ 233.963030][ T5489] ? show_regs_print_info+0x20/0x20
[ 233.968327][ T5489] ? load_image+0x3b0/0x3b0
[ 233.972962][ T5489] sysfs_create_dir_ns+0x252/0x280
[ 233.978392][ T5489] ? __lock_acquire+0x7c60/0x7c60
[ 233.983535][ T5489] ? sysfs_warn_dup+0xa0/0xa0
[ 233.988203][ T5489] ? do_raw_spin_unlock+0x11d/0x230
[ 233.993408][ T5489] kobject_add_internal+0x662/0xd00
[ 233.998608][ T5489] kobject_init_and_add+0x122/0x190
[ 234.003795][ T5489] ? lockdep_softirqs_off+0x420/0x420
[ 234.009162][ T5489] ? kobject_add+0x210/0x210
[ 234.013824][ T5489] ? __init_swait_queue_head+0xa5/0x150
[ 234.019447][ T5489] gfs2_sys_fs_add+0x234/0x480
[ 234.024226][ T5489] ? gfs2_recover_set+0x240/0x240
[ 234.029232][ T5489] ? snprintf+0xd7/0x120
[ 234.033633][ T5489] ? __free_pages+0x95/0x1a0
[ 234.038203][ T5489] ? vscnprintf+0x80/0x80
[ 234.042528][ T5489] gfs2_fill_super+0x128d/0x1f50
[ 234.047453][ T5489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.052542][ T5489] ? preempt_count_add+0x8d/0x190
[ 234.057552][ T5489] ? sb_set_blocksize+0xa5/0xe0
[ 234.062388][ T5489] get_tree_bdev+0x3f1/0x610
[ 234.067059][ T5489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.072189][ T5489] gfs2_get_tree+0x4d/0x1e0
[ 234.076703][ T5489] vfs_get_tree+0x88/0x270
[ 234.081255][ T5489] do_new_mount+0x24a/0xa40
[ 234.085916][ T5489] __se_sys_mount+0x2d6/0x3c0
[ 234.090569][ T5489] ? __x64_sys_mount+0xc0/0xc0
[ 234.095321][ T5489] ? lockdep_hardirqs_on+0x94/0x140
[ 234.100497][ T5489] ? __x64_sys_mount+0x1c/0xc0
[ 234.105352][ T5489] do_syscall_64+0x4c/0xa0
[ 234.110187][ T5489] ? clear_bhb_loop+0x30/0x80
[ 234.114844][ T5489] ? clear_bhb_loop+0x30/0x80
[ 234.119583][ T5489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.125453][ T5489] RIP: 0033:0x7fa0bfeb990a
[ 234.129847][ T5489] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 234.149516][ T5489] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.157958][ T5489] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 234.166084][ T5489] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 234.174035][ T5489] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 234.181987][ T5489] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 234.189970][ T5489] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 234.197930][ T5489]
[ 234.202124][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.215384][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.571594][ T5491] loop1: detected capacity change from 0 to 32768
[ 234.653035][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.660640][ T5491] CPU: 1 PID: 5491 Comm: syz.1.190 Not tainted syzkaller #0
[ 234.667942][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 234.678015][ T5491] Call Trace:
[ 234.681399][ T5491]
[ 234.684335][ T5491] dump_stack_lvl+0x168/0x230
[ 234.689051][ T5491] ? show_regs_print_info+0x20/0x20
[ 234.694260][ T5491] ? load_image+0x3b0/0x3b0
[ 234.698784][ T5491] sysfs_create_dir_ns+0x252/0x280
[ 234.703983][ T5491] ? __lock_acquire+0x7c60/0x7c60
[ 234.709146][ T5491] ? sysfs_warn_dup+0xa0/0xa0
[ 234.713958][ T5491] ? do_raw_spin_unlock+0x11d/0x230
[ 234.719284][ T5491] kobject_add_internal+0x662/0xd00
[ 234.724497][ T5491] kobject_init_and_add+0x122/0x190
[ 234.729699][ T5491] ? lockdep_softirqs_off+0x420/0x420
[ 234.735061][ T5491] ? kobject_add+0x210/0x210
[ 234.739754][ T5491] ? __init_swait_queue_head+0xa5/0x150
[ 234.745312][ T5491] gfs2_sys_fs_add+0x234/0x480
[ 234.750087][ T5491] ? gfs2_recover_set+0x240/0x240
[ 234.755115][ T5491] ? snprintf+0xd7/0x120
[ 234.759535][ T5491] ? __free_pages+0x95/0x1a0
[ 234.764111][ T5491] ? vscnprintf+0x80/0x80
[ 234.768585][ T5491] gfs2_fill_super+0x128d/0x1f50
[ 234.773539][ T5491] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.778659][ T5491] ? preempt_count_add+0x8d/0x190
[ 234.783767][ T5491] ? sb_set_blocksize+0xa5/0xe0
[ 234.788604][ T5491] get_tree_bdev+0x3f1/0x610
[ 234.793272][ T5491] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.798280][ T5491] gfs2_get_tree+0x4d/0x1e0
[ 234.802782][ T5491] vfs_get_tree+0x88/0x270
[ 234.807188][ T5491] do_new_mount+0x24a/0xa40
[ 234.812037][ T5491] __se_sys_mount+0x2d6/0x3c0
[ 234.816752][ T5491] ? __x64_sys_mount+0xc0/0xc0
[ 234.821535][ T5491] ? lockdep_hardirqs_on+0x94/0x140
[ 234.826736][ T5491] ? __x64_sys_mount+0x1c/0xc0
[ 234.831514][ T5491] do_syscall_64+0x4c/0xa0
[ 234.836043][ T5491] ? clear_bhb_loop+0x30/0x80
[ 234.840735][ T5491] ? clear_bhb_loop+0x30/0x80
[ 234.845603][ T5491] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.851578][ T5491] RIP: 0033:0x7fa0bfeb990a
[ 234.855979][ T5491] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 234.875949][ T5491] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.884489][ T5491] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 234.892586][ T5491] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 234.900549][ T5491] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 234.908510][ T5491] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 234.916555][ T5491] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 234.924528][ T5491]
[ 234.928776][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.942168][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.242679][ T5493] loop1: detected capacity change from 0 to 32768
[ 235.292249][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.299665][ T5493] CPU: 1 PID: 5493 Comm: syz.1.191 Not tainted syzkaller #0
[ 235.307078][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 235.317442][ T5493] Call Trace:
[ 235.320728][ T5493]
[ 235.323749][ T5493] dump_stack_lvl+0x168/0x230
[ 235.328547][ T5493] ? show_regs_print_info+0x20/0x20
[ 235.333923][ T5493] ? load_image+0x3b0/0x3b0
[ 235.338539][ T5493] sysfs_create_dir_ns+0x252/0x280
[ 235.343752][ T5493] ? __lock_acquire+0x7c60/0x7c60
[ 235.348885][ T5493] ? sysfs_warn_dup+0xa0/0xa0
[ 235.353594][ T5493] ? do_raw_spin_unlock+0x11d/0x230
[ 235.358833][ T5493] kobject_add_internal+0x662/0xd00
[ 235.364040][ T5493] kobject_init_and_add+0x122/0x190
[ 235.369341][ T5493] ? lockdep_softirqs_off+0x420/0x420
[ 235.374737][ T5493] ? kobject_add+0x210/0x210
[ 235.379498][ T5493] ? __init_swait_queue_head+0xa5/0x150
[ 235.385166][ T5493] gfs2_sys_fs_add+0x234/0x480
[ 235.390031][ T5493] ? gfs2_recover_set+0x240/0x240
[ 235.395134][ T5493] ? snprintf+0xd7/0x120
[ 235.399384][ T5493] ? __free_pages+0x95/0x1a0
[ 235.404002][ T5493] ? vscnprintf+0x80/0x80
[ 235.408332][ T5493] gfs2_fill_super+0x128d/0x1f50
[ 235.413305][ T5493] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.418328][ T5493] ? preempt_count_add+0x8d/0x190
[ 235.423352][ T5493] ? sb_set_blocksize+0xa5/0xe0
[ 235.428192][ T5493] get_tree_bdev+0x3f1/0x610
[ 235.432768][ T5493] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.437787][ T5493] gfs2_get_tree+0x4d/0x1e0
[ 235.442284][ T5493] vfs_get_tree+0x88/0x270
[ 235.446789][ T5493] do_new_mount+0x24a/0xa40
[ 235.451397][ T5493] __se_sys_mount+0x2d6/0x3c0
[ 235.456249][ T5493] ? __x64_sys_mount+0xc0/0xc0
[ 235.461001][ T5493] ? lockdep_hardirqs_on+0x94/0x140
[ 235.466291][ T5493] ? __x64_sys_mount+0x1c/0xc0
[ 235.471039][ T5493] do_syscall_64+0x4c/0xa0
[ 235.475435][ T5493] ? clear_bhb_loop+0x30/0x80
[ 235.480108][ T5493] ? clear_bhb_loop+0x30/0x80
[ 235.484783][ T5493] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.490656][ T5493] RIP: 0033:0x7fa0bfeb990a
[ 235.495064][ T5493] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 235.514838][ T5493] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.523248][ T5493] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 235.531221][ T5493] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 235.539188][ T5493] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 235.547364][ T5493] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 235.555409][ T5493] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 235.563370][ T5493]
[ 235.568159][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.581475][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.908369][ T5495] loop1: detected capacity change from 0 to 32768
[ 236.006020][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.014280][ T5495] CPU: 1 PID: 5495 Comm: syz.1.192 Not tainted syzkaller #0
[ 236.021588][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 236.031699][ T5495] Call Trace:
[ 236.034987][ T5495]
[ 236.037926][ T5495] dump_stack_lvl+0x168/0x230
[ 236.042662][ T5495] ? show_regs_print_info+0x20/0x20
[ 236.047872][ T5495] ? load_image+0x3b0/0x3b0
[ 236.052430][ T5495] sysfs_create_dir_ns+0x252/0x280
[ 236.057677][ T5495] ? __lock_acquire+0x7c60/0x7c60
[ 236.062754][ T5495] ? sysfs_warn_dup+0xa0/0xa0
[ 236.067515][ T5495] ? do_raw_spin_unlock+0x11d/0x230
[ 236.072707][ T5495] kobject_add_internal+0x662/0xd00
[ 236.077898][ T5495] kobject_init_and_add+0x122/0x190
[ 236.083279][ T5495] ? lockdep_softirqs_off+0x420/0x420
[ 236.088737][ T5495] ? kobject_add+0x210/0x210
[ 236.093418][ T5495] ? __init_swait_queue_head+0xa5/0x150
[ 236.098964][ T5495] gfs2_sys_fs_add+0x234/0x480
[ 236.103851][ T5495] ? gfs2_recover_set+0x240/0x240
[ 236.108866][ T5495] ? snprintf+0xd7/0x120
[ 236.113109][ T5495] ? __free_pages+0x95/0x1a0
[ 236.117695][ T5495] ? vscnprintf+0x80/0x80
[ 236.122026][ T5495] gfs2_fill_super+0x128d/0x1f50
[ 236.127159][ T5495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.132233][ T5495] ? preempt_count_add+0x8d/0x190
[ 236.137251][ T5495] ? sb_set_blocksize+0xa5/0xe0
[ 236.142478][ T5495] get_tree_bdev+0x3f1/0x610
[ 236.147179][ T5495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.152192][ T5495] gfs2_get_tree+0x4d/0x1e0
[ 236.156684][ T5495] vfs_get_tree+0x88/0x270
[ 236.161089][ T5495] do_new_mount+0x24a/0xa40
[ 236.165724][ T5495] __se_sys_mount+0x2d6/0x3c0
[ 236.170396][ T5495] ? __x64_sys_mount+0xc0/0xc0
[ 236.175150][ T5495] ? lockdep_hardirqs_on+0x94/0x140
[ 236.180358][ T5495] ? __x64_sys_mount+0x1c/0xc0
[ 236.185108][ T5495] do_syscall_64+0x4c/0xa0
[ 236.189518][ T5495] ? clear_bhb_loop+0x30/0x80
[ 236.194191][ T5495] ? clear_bhb_loop+0x30/0x80
[ 236.198858][ T5495] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.204732][ T5495] RIP: 0033:0x7fa0bfeb990a
[ 236.209142][ T5495] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 236.228878][ T5495] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.237419][ T5495] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 236.245473][ T5495] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 236.253428][ T5495] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 236.261476][ T5495] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 236.269604][ T5495] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 236.277672][ T5495]
[ 236.282261][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.295543][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.655123][ T5497] loop1: detected capacity change from 0 to 32768
[ 236.729667][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.742287][ T5497] CPU: 1 PID: 5497 Comm: syz.1.193 Not tainted syzkaller #0
[ 236.749611][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 236.759764][ T5497] Call Trace:
[ 236.763054][ T5497]
[ 236.765988][ T5497] dump_stack_lvl+0x168/0x230
[ 236.770677][ T5497] ? show_regs_print_info+0x20/0x20
[ 236.775886][ T5497] ? load_image+0x3b0/0x3b0
[ 236.780413][ T5497] sysfs_create_dir_ns+0x252/0x280
[ 236.785750][ T5497] ? __lock_acquire+0x7c60/0x7c60
[ 236.790786][ T5497] ? sysfs_warn_dup+0xa0/0xa0
[ 236.795485][ T5497] ? do_raw_spin_unlock+0x11d/0x230
[ 236.800791][ T5497] kobject_add_internal+0x662/0xd00
[ 236.806010][ T5497] kobject_init_and_add+0x122/0x190
[ 236.811214][ T5497] ? lockdep_softirqs_off+0x420/0x420
[ 236.816601][ T5497] ? kobject_add+0x210/0x210
[ 236.821190][ T5497] ? __init_swait_queue_head+0xa5/0x150
[ 236.826750][ T5497] gfs2_sys_fs_add+0x234/0x480
[ 236.831517][ T5497] ? gfs2_recover_set+0x240/0x240
[ 236.836570][ T5497] ? snprintf+0xd7/0x120
[ 236.840905][ T5497] ? __free_pages+0x95/0x1a0
[ 236.845496][ T5497] ? vscnprintf+0x80/0x80
[ 236.849902][ T5497] gfs2_fill_super+0x128d/0x1f50
[ 236.854920][ T5497] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.859998][ T5497] ? preempt_count_add+0x8d/0x190
[ 236.865031][ T5497] ? sb_set_blocksize+0xa5/0xe0
[ 236.869883][ T5497] get_tree_bdev+0x3f1/0x610
[ 236.874469][ T5497] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.879852][ T5497] gfs2_get_tree+0x4d/0x1e0
[ 236.884350][ T5497] vfs_get_tree+0x88/0x270
[ 236.888849][ T5497] do_new_mount+0x24a/0xa40
[ 236.893432][ T5497] __se_sys_mount+0x2d6/0x3c0
[ 236.898118][ T5497] ? __x64_sys_mount+0xc0/0xc0
[ 236.902972][ T5497] ? lockdep_hardirqs_on+0x94/0x140
[ 236.908158][ T5497] ? __x64_sys_mount+0x1c/0xc0
[ 236.912915][ T5497] do_syscall_64+0x4c/0xa0
[ 236.917398][ T5497] ? clear_bhb_loop+0x30/0x80
[ 236.922059][ T5497] ? clear_bhb_loop+0x30/0x80
[ 236.926831][ T5497] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.932708][ T5497] RIP: 0033:0x7fa0bfeb990a
[ 236.937113][ T5497] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 236.956969][ T5497] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.965371][ T5497] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 236.973330][ T5497] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 236.981316][ T5497] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 236.989291][ T5497] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 236.997275][ T5497] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 237.005483][ T5497]
[ 237.009798][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.023029][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/13 10:19:34 executed programs: 180
[ 237.337039][ T5499] loop1: detected capacity change from 0 to 32768
[ 237.354375][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.361952][ T5499] CPU: 0 PID: 5499 Comm: syz.1.194 Not tainted syzkaller #0
[ 237.369871][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 237.379935][ T5499] Call Trace:
[ 237.383229][ T5499]
[ 237.386167][ T5499] dump_stack_lvl+0x168/0x230
[ 237.390943][ T5499] ? show_regs_print_info+0x20/0x20
[ 237.396152][ T5499] ? load_image+0x3b0/0x3b0
[ 237.400774][ T5499] sysfs_create_dir_ns+0x252/0x280
[ 237.406013][ T5499] ? __lock_acquire+0x7c60/0x7c60
[ 237.411053][ T5499] ? sysfs_warn_dup+0xa0/0xa0
[ 237.415755][ T5499] ? do_raw_spin_unlock+0x11d/0x230
[ 237.420959][ T5499] kobject_add_internal+0x662/0xd00
[ 237.426268][ T5499] kobject_init_and_add+0x122/0x190
[ 237.431489][ T5499] ? lockdep_softirqs_off+0x420/0x420
[ 237.436870][ T5499] ? kobject_add+0x210/0x210
[ 237.441447][ T5499] ? __init_swait_queue_head+0xa5/0x150
[ 237.446977][ T5499] gfs2_sys_fs_add+0x234/0x480
[ 237.451791][ T5499] ? gfs2_recover_set+0x240/0x240
[ 237.456797][ T5499] ? snprintf+0xd7/0x120
[ 237.461260][ T5499] ? __free_pages+0x95/0x1a0
[ 237.465845][ T5499] ? vscnprintf+0x80/0x80
[ 237.470179][ T5499] gfs2_fill_super+0x128d/0x1f50
[ 237.475191][ T5499] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.480298][ T5499] ? preempt_count_add+0x8d/0x190
[ 237.485359][ T5499] ? sb_set_blocksize+0xa5/0xe0
[ 237.490202][ T5499] get_tree_bdev+0x3f1/0x610
[ 237.494884][ T5499] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.499912][ T5499] gfs2_get_tree+0x4d/0x1e0
[ 237.504510][ T5499] vfs_get_tree+0x88/0x270
[ 237.509014][ T5499] do_new_mount+0x24a/0xa40
[ 237.513603][ T5499] __se_sys_mount+0x2d6/0x3c0
[ 237.518312][ T5499] ? __x64_sys_mount+0xc0/0xc0
[ 237.523076][ T5499] ? lockdep_hardirqs_on+0x94/0x140
[ 237.528364][ T5499] ? __x64_sys_mount+0x1c/0xc0
[ 237.533287][ T5499] do_syscall_64+0x4c/0xa0
[ 237.537681][ T5499] ? clear_bhb_loop+0x30/0x80
[ 237.542557][ T5499] ? clear_bhb_loop+0x30/0x80
[ 237.547228][ T5499] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.553109][ T5499] RIP: 0033:0x7fa0bfeb990a
[ 237.557683][ T5499] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 237.577507][ T5499] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.585918][ T5499] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 237.593905][ T5499] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 237.602136][ T5499] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 237.610097][ T5499] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 237.618061][ T5499] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 237.626225][ T5499]
[ 237.630676][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.644068][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.989089][ T5501] loop1: detected capacity change from 0 to 32768
[ 238.039605][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.047202][ T5501] CPU: 0 PID: 5501 Comm: syz.1.195 Not tainted syzkaller #0
[ 238.054513][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 238.064666][ T5501] Call Trace:
[ 238.068302][ T5501]
[ 238.071264][ T5501] dump_stack_lvl+0x168/0x230
[ 238.076130][ T5501] ? show_regs_print_info+0x20/0x20
[ 238.081365][ T5501] ? load_image+0x3b0/0x3b0
[ 238.085994][ T5501] sysfs_create_dir_ns+0x252/0x280
[ 238.091222][ T5501] ? __lock_acquire+0x7c60/0x7c60
[ 238.096345][ T5501] ? sysfs_warn_dup+0xa0/0xa0
[ 238.101038][ T5501] ? do_raw_spin_unlock+0x11d/0x230
[ 238.106243][ T5501] kobject_add_internal+0x662/0xd00
[ 238.111457][ T5501] kobject_init_and_add+0x122/0x190
[ 238.116698][ T5501] ? lockdep_softirqs_off+0x420/0x420
[ 238.122084][ T5501] ? kobject_add+0x210/0x210
[ 238.126688][ T5501] ? __init_swait_queue_head+0xa5/0x150
[ 238.132325][ T5501] gfs2_sys_fs_add+0x234/0x480
[ 238.137077][ T5501] ? gfs2_recover_set+0x240/0x240
[ 238.142091][ T5501] ? snprintf+0xd7/0x120
[ 238.146318][ T5501] ? __free_pages+0x95/0x1a0
[ 238.150984][ T5501] ? vscnprintf+0x80/0x80
[ 238.155324][ T5501] gfs2_fill_super+0x128d/0x1f50
[ 238.160258][ T5501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.165268][ T5501] ? preempt_count_add+0x8d/0x190
[ 238.170277][ T5501] ? sb_set_blocksize+0xa5/0xe0
[ 238.175352][ T5501] get_tree_bdev+0x3f1/0x610
[ 238.179940][ T5501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.184968][ T5501] gfs2_get_tree+0x4d/0x1e0
[ 238.189458][ T5501] vfs_get_tree+0x88/0x270
[ 238.193874][ T5501] do_new_mount+0x24a/0xa40
[ 238.198367][ T5501] __se_sys_mount+0x2d6/0x3c0
[ 238.203056][ T5501] ? __x64_sys_mount+0xc0/0xc0
[ 238.207830][ T5501] ? lockdep_hardirqs_on+0x94/0x140
[ 238.213111][ T5501] ? __x64_sys_mount+0x1c/0xc0
[ 238.217879][ T5501] do_syscall_64+0x4c/0xa0
[ 238.222280][ T5501] ? clear_bhb_loop+0x30/0x80
[ 238.226941][ T5501] ? clear_bhb_loop+0x30/0x80
[ 238.231596][ T5501] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.237475][ T5501] RIP: 0033:0x7fa0bfeb990a
[ 238.241960][ T5501] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 238.261732][ T5501] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.270327][ T5501] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 238.278383][ T5501] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 238.286458][ T5501] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 238.294418][ T5501] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 238.302386][ T5501] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 238.310458][ T5501]
[ 238.319509][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.333685][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.665424][ T5503] loop1: detected capacity change from 0 to 32768
[ 238.713780][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.721365][ T5503] CPU: 0 PID: 5503 Comm: syz.1.196 Not tainted syzkaller #0
[ 238.728673][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 238.738738][ T5503] Call Trace:
[ 238.742030][ T5503]
[ 238.744966][ T5503] dump_stack_lvl+0x168/0x230
[ 238.749651][ T5503] ? show_regs_print_info+0x20/0x20
[ 238.754981][ T5503] ? load_image+0x3b0/0x3b0
[ 238.759509][ T5503] sysfs_create_dir_ns+0x252/0x280
[ 238.764644][ T5503] ? __lock_acquire+0x7c60/0x7c60
[ 238.769682][ T5503] ? sysfs_warn_dup+0xa0/0xa0
[ 238.774487][ T5503] ? do_raw_spin_unlock+0x11d/0x230
[ 238.779701][ T5503] kobject_add_internal+0x662/0xd00
[ 238.784917][ T5503] kobject_init_and_add+0x122/0x190
[ 238.790296][ T5503] ? lockdep_softirqs_off+0x420/0x420
[ 238.795676][ T5503] ? kobject_add+0x210/0x210
[ 238.800254][ T5503] ? __init_swait_queue_head+0xa5/0x150
[ 238.805822][ T5503] gfs2_sys_fs_add+0x234/0x480
[ 238.810587][ T5503] ? gfs2_recover_set+0x240/0x240
[ 238.815595][ T5503] ? snprintf+0xd7/0x120
[ 238.819837][ T5503] ? __free_pages+0x95/0x1a0
[ 238.824567][ T5503] ? vscnprintf+0x80/0x80
[ 238.828909][ T5503] gfs2_fill_super+0x128d/0x1f50
[ 238.833845][ T5503] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.838870][ T5503] ? preempt_count_add+0x8d/0x190
[ 238.843887][ T5503] ? sb_set_blocksize+0xa5/0xe0
[ 238.848960][ T5503] get_tree_bdev+0x3f1/0x610
[ 238.853573][ T5503] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.858601][ T5503] gfs2_get_tree+0x4d/0x1e0
[ 238.863092][ T5503] vfs_get_tree+0x88/0x270
[ 238.867502][ T5503] do_new_mount+0x24a/0xa40
[ 238.872006][ T5503] __se_sys_mount+0x2d6/0x3c0
[ 238.876684][ T5503] ? __x64_sys_mount+0xc0/0xc0
[ 238.881446][ T5503] ? lockdep_hardirqs_on+0x94/0x140
[ 238.886728][ T5503] ? __x64_sys_mount+0x1c/0xc0
[ 238.891733][ T5503] do_syscall_64+0x4c/0xa0
[ 238.896234][ T5503] ? clear_bhb_loop+0x30/0x80
[ 238.900919][ T5503] ? clear_bhb_loop+0x30/0x80
[ 238.905588][ T5503] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.911486][ T5503] RIP: 0033:0x7fa0bfeb990a
[ 238.915903][ T5503] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 238.935521][ T5503] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.943929][ T5503] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 238.952497][ T5503] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 238.960457][ T5503] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 238.968416][ T5503] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 238.976481][ T5503] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 238.984459][ T5503]
[ 238.988828][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.002694][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.339267][ T5505] loop1: detected capacity change from 0 to 32768
[ 239.358696][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.366296][ T5505] CPU: 0 PID: 5505 Comm: syz.1.197 Not tainted syzkaller #0
[ 239.373590][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 239.383929][ T5505] Call Trace:
[ 239.387303][ T5505]
[ 239.390232][ T5505] dump_stack_lvl+0x168/0x230
[ 239.394918][ T5505] ? show_regs_print_info+0x20/0x20
[ 239.400129][ T5505] ? load_image+0x3b0/0x3b0
[ 239.404657][ T5505] sysfs_create_dir_ns+0x252/0x280
[ 239.409780][ T5505] ? __lock_acquire+0x7c60/0x7c60
[ 239.414830][ T5505] ? sysfs_warn_dup+0xa0/0xa0
[ 239.419777][ T5505] ? do_raw_spin_unlock+0x11d/0x230
[ 239.424986][ T5505] kobject_add_internal+0x662/0xd00
[ 239.430198][ T5505] kobject_init_and_add+0x122/0x190
[ 239.435400][ T5505] ? lockdep_softirqs_off+0x420/0x420
[ 239.440880][ T5505] ? kobject_add+0x210/0x210
[ 239.445466][ T5505] ? __init_swait_queue_head+0xa5/0x150
[ 239.451081][ T5505] gfs2_sys_fs_add+0x234/0x480
[ 239.455830][ T5505] ? gfs2_recover_set+0x240/0x240
[ 239.460830][ T5505] ? snprintf+0xd7/0x120
[ 239.465049][ T5505] ? __free_pages+0x95/0x1a0
[ 239.469622][ T5505] ? vscnprintf+0x80/0x80
[ 239.473941][ T5505] gfs2_fill_super+0x128d/0x1f50
[ 239.478869][ T5505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.483886][ T5505] ? preempt_count_add+0x8d/0x190
[ 239.488924][ T5505] ? sb_set_blocksize+0xa5/0xe0
[ 239.493851][ T5505] get_tree_bdev+0x3f1/0x610
[ 239.498431][ T5505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.503444][ T5505] gfs2_get_tree+0x4d/0x1e0
[ 239.507937][ T5505] vfs_get_tree+0x88/0x270
[ 239.512343][ T5505] do_new_mount+0x24a/0xa40
[ 239.516841][ T5505] __se_sys_mount+0x2d6/0x3c0
[ 239.521512][ T5505] ? __x64_sys_mount+0xc0/0xc0
[ 239.526333][ T5505] ? lockdep_hardirqs_on+0x94/0x140
[ 239.531605][ T5505] ? __x64_sys_mount+0x1c/0xc0
[ 239.536362][ T5505] do_syscall_64+0x4c/0xa0
[ 239.540865][ T5505] ? clear_bhb_loop+0x30/0x80
[ 239.545619][ T5505] ? clear_bhb_loop+0x30/0x80
[ 239.550384][ T5505] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.556261][ T5505] RIP: 0033:0x7fa0bfeb990a
[ 239.560674][ T5505] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 239.580287][ T5505] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.588690][ T5505] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 239.596822][ T5505] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 239.604876][ T5505] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 239.612837][ T5505] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 239.620982][ T5505] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 239.629048][ T5505]
[ 239.633397][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.646726][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.979754][ T5507] loop1: detected capacity change from 0 to 32768
[ 240.023596][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.034127][ T5507] CPU: 0 PID: 5507 Comm: syz.1.198 Not tainted syzkaller #0
[ 240.041434][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 240.051593][ T5507] Call Trace:
[ 240.054885][ T5507]
[ 240.057825][ T5507] dump_stack_lvl+0x168/0x230
[ 240.062613][ T5507] ? show_regs_print_info+0x20/0x20
[ 240.067998][ T5507] ? load_image+0x3b0/0x3b0
[ 240.072557][ T5507] sysfs_create_dir_ns+0x252/0x280
[ 240.077675][ T5507] ? __lock_acquire+0x7c60/0x7c60
[ 240.082710][ T5507] ? sysfs_warn_dup+0xa0/0xa0
[ 240.087404][ T5507] ? do_raw_spin_unlock+0x11d/0x230
[ 240.092620][ T5507] kobject_add_internal+0x662/0xd00
[ 240.097834][ T5507] kobject_init_and_add+0x122/0x190
[ 240.103038][ T5507] ? lockdep_softirqs_off+0x420/0x420
[ 240.108551][ T5507] ? kobject_add+0x210/0x210
[ 240.113146][ T5507] ? __init_swait_queue_head+0xa5/0x150
[ 240.118709][ T5507] gfs2_sys_fs_add+0x234/0x480
[ 240.123978][ T5507] ? gfs2_recover_set+0x240/0x240
[ 240.129002][ T5507] ? snprintf+0xd7/0x120
[ 240.133221][ T5507] ? __free_pages+0x95/0x1a0
[ 240.137794][ T5507] ? vscnprintf+0x80/0x80
[ 240.142121][ T5507] gfs2_fill_super+0x128d/0x1f50
[ 240.147132][ T5507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.152221][ T5507] ? preempt_count_add+0x8d/0x190
[ 240.157238][ T5507] ? sb_set_blocksize+0xa5/0xe0
[ 240.162065][ T5507] get_tree_bdev+0x3f1/0x610
[ 240.166635][ T5507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.171647][ T5507] gfs2_get_tree+0x4d/0x1e0
[ 240.176126][ T5507] vfs_get_tree+0x88/0x270
[ 240.180524][ T5507] do_new_mount+0x24a/0xa40
[ 240.185005][ T5507] __se_sys_mount+0x2d6/0x3c0
[ 240.189658][ T5507] ? __x64_sys_mount+0xc0/0xc0
[ 240.194418][ T5507] ? lockdep_hardirqs_on+0x94/0x140
[ 240.199605][ T5507] ? __x64_sys_mount+0x1c/0xc0
[ 240.204348][ T5507] do_syscall_64+0x4c/0xa0
[ 240.208745][ T5507] ? clear_bhb_loop+0x30/0x80
[ 240.213397][ T5507] ? clear_bhb_loop+0x30/0x80
[ 240.218064][ T5507] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.224104][ T5507] RIP: 0033:0x7fa0bfeb990a
[ 240.228672][ T5507] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 240.248352][ T5507] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.256837][ T5507] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 240.264809][ T5507] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 240.272845][ T5507] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 240.280800][ T5507] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 240.288834][ T5507] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 240.296804][ T5507]
[ 240.303536][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.316971][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.624061][ T5509] loop1: detected capacity change from 0 to 32768
[ 240.669886][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.677405][ T5509] CPU: 0 PID: 5509 Comm: syz.1.199 Not tainted syzkaller #0
[ 240.684785][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 240.694856][ T5509] Call Trace:
[ 240.698232][ T5509]
[ 240.701204][ T5509] dump_stack_lvl+0x168/0x230
[ 240.705984][ T5509] ? show_regs_print_info+0x20/0x20
[ 240.711193][ T5509] ? load_image+0x3b0/0x3b0
[ 240.716063][ T5509] sysfs_create_dir_ns+0x252/0x280
[ 240.721192][ T5509] ? __lock_acquire+0x7c60/0x7c60
[ 240.726315][ T5509] ? sysfs_warn_dup+0xa0/0xa0
[ 240.731002][ T5509] ? do_raw_spin_unlock+0x11d/0x230
[ 240.736294][ T5509] kobject_add_internal+0x662/0xd00
[ 240.741508][ T5509] kobject_init_and_add+0x122/0x190
[ 240.746720][ T5509] ? lockdep_softirqs_off+0x420/0x420
[ 240.752107][ T5509] ? kobject_add+0x210/0x210
[ 240.756708][ T5509] ? __init_swait_queue_head+0xa5/0x150
[ 240.762280][ T5509] gfs2_sys_fs_add+0x234/0x480
[ 240.767460][ T5509] ? gfs2_recover_set+0x240/0x240
[ 240.772479][ T5509] ? snprintf+0xd7/0x120
[ 240.776815][ T5509] ? __free_pages+0x95/0x1a0
[ 240.781488][ T5509] ? vscnprintf+0x80/0x80
[ 240.785833][ T5509] gfs2_fill_super+0x128d/0x1f50
[ 240.790764][ T5509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.795782][ T5509] ? preempt_count_add+0x8d/0x190
[ 240.800815][ T5509] ? sb_set_blocksize+0xa5/0xe0
[ 240.805660][ T5509] get_tree_bdev+0x3f1/0x610
[ 240.810343][ T5509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.815361][ T5509] gfs2_get_tree+0x4d/0x1e0
[ 240.819875][ T5509] vfs_get_tree+0x88/0x270
[ 240.824275][ T5509] do_new_mount+0x24a/0xa40
[ 240.828859][ T5509] __se_sys_mount+0x2d6/0x3c0
[ 240.833550][ T5509] ? __x64_sys_mount+0xc0/0xc0
[ 240.838323][ T5509] ? lockdep_hardirqs_on+0x94/0x140
[ 240.843519][ T5509] ? __x64_sys_mount+0x1c/0xc0
[ 240.848303][ T5509] do_syscall_64+0x4c/0xa0
[ 240.852711][ T5509] ? clear_bhb_loop+0x30/0x80
[ 240.857392][ T5509] ? clear_bhb_loop+0x30/0x80
[ 240.862055][ T5509] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.868200][ T5509] RIP: 0033:0x7fa0bfeb990a
[ 240.872688][ T5509] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 240.892280][ T5509] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.900896][ T5509] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 240.908952][ T5509] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 240.916922][ T5509] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 240.924881][ T5509] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 240.932842][ T5509] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 240.940822][ T5509]
[ 240.945375][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.958711][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.265576][ T5511] loop1: detected capacity change from 0 to 32768
[ 241.331433][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.338857][ T5511] CPU: 1 PID: 5511 Comm: syz.1.200 Not tainted syzkaller #0
[ 241.346147][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 241.356314][ T5511] Call Trace:
[ 241.359596][ T5511]
[ 241.362535][ T5511] dump_stack_lvl+0x168/0x230
[ 241.367228][ T5511] ? show_regs_print_info+0x20/0x20
[ 241.372525][ T5511] ? load_image+0x3b0/0x3b0
[ 241.377057][ T5511] sysfs_create_dir_ns+0x252/0x280
[ 241.382178][ T5511] ? __lock_acquire+0x7c60/0x7c60
[ 241.387207][ T5511] ? sysfs_warn_dup+0xa0/0xa0
[ 241.391993][ T5511] ? do_raw_spin_unlock+0x11d/0x230
[ 241.397299][ T5511] kobject_add_internal+0x662/0xd00
[ 241.402510][ T5511] kobject_init_and_add+0x122/0x190
[ 241.407712][ T5511] ? lockdep_softirqs_off+0x420/0x420
[ 241.413097][ T5511] ? kobject_add+0x210/0x210
[ 241.417696][ T5511] ? __init_swait_queue_head+0xa5/0x150
[ 241.423288][ T5511] gfs2_sys_fs_add+0x234/0x480
[ 241.428033][ T5511] ? gfs2_recover_set+0x240/0x240
[ 241.433035][ T5511] ? snprintf+0xd7/0x120
[ 241.437267][ T5511] ? __free_pages+0x95/0x1a0
[ 241.441850][ T5511] ? vscnprintf+0x80/0x80
[ 241.446292][ T5511] gfs2_fill_super+0x128d/0x1f50
[ 241.451265][ T5511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.456318][ T5511] ? preempt_count_add+0x8d/0x190
[ 241.461352][ T5511] ? sb_set_blocksize+0xa5/0xe0
[ 241.466216][ T5511] get_tree_bdev+0x3f1/0x610
[ 241.470814][ T5511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.475830][ T5511] gfs2_get_tree+0x4d/0x1e0
[ 241.480320][ T5511] vfs_get_tree+0x88/0x270
[ 241.484830][ T5511] do_new_mount+0x24a/0xa40
[ 241.489468][ T5511] __se_sys_mount+0x2d6/0x3c0
[ 241.494382][ T5511] ? __x64_sys_mount+0xc0/0xc0
[ 241.499171][ T5511] ? lockdep_hardirqs_on+0x94/0x140
[ 241.504403][ T5511] ? __x64_sys_mount+0x1c/0xc0
[ 241.509186][ T5511] do_syscall_64+0x4c/0xa0
[ 241.513588][ T5511] ? clear_bhb_loop+0x30/0x80
[ 241.518304][ T5511] ? clear_bhb_loop+0x30/0x80
[ 241.522961][ T5511] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.528838][ T5511] RIP: 0033:0x7fa0bfeb990a
[ 241.533594][ T5511] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 241.553548][ T5511] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.562159][ T5511] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 241.570117][ T5511] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 241.578075][ T5511] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 241.586117][ T5511] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 241.594075][ T5511] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 241.602057][ T5511]
[ 241.606815][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.620199][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.929201][ T5513] loop1: detected capacity change from 0 to 32768
[ 241.948253][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.955793][ T5513] CPU: 0 PID: 5513 Comm: syz.1.201 Not tainted syzkaller #0
[ 241.963090][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 241.973163][ T5513] Call Trace:
[ 241.976449][ T5513]
[ 241.979382][ T5513] dump_stack_lvl+0x168/0x230
[ 241.984162][ T5513] ? show_regs_print_info+0x20/0x20
[ 241.989473][ T5513] ? load_image+0x3b0/0x3b0
[ 241.994012][ T5513] sysfs_create_dir_ns+0x252/0x280
[ 241.999163][ T5513] ? __lock_acquire+0x7c60/0x7c60
[ 242.004201][ T5513] ? sysfs_warn_dup+0xa0/0xa0
[ 242.008999][ T5513] ? do_raw_spin_unlock+0x11d/0x230
[ 242.014307][ T5513] kobject_add_internal+0x662/0xd00
[ 242.019628][ T5513] kobject_init_and_add+0x122/0x190
[ 242.025123][ T5513] ? lockdep_softirqs_off+0x420/0x420
[ 242.030729][ T5513] ? kobject_add+0x210/0x210
[ 242.035656][ T5513] ? __init_swait_queue_head+0xa5/0x150
[ 242.041692][ T5513] gfs2_sys_fs_add+0x234/0x480
[ 242.046547][ T5513] ? gfs2_recover_set+0x240/0x240
[ 242.051700][ T5513] ? snprintf+0xd7/0x120
[ 242.056031][ T5513] ? __free_pages+0x95/0x1a0
[ 242.060628][ T5513] ? vscnprintf+0x80/0x80
[ 242.064988][ T5513] gfs2_fill_super+0x128d/0x1f50
[ 242.070082][ T5513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.075104][ T5513] ? preempt_count_add+0x8d/0x190
[ 242.080312][ T5513] ? sb_set_blocksize+0xa5/0xe0
[ 242.085149][ T5513] get_tree_bdev+0x3f1/0x610
[ 242.089961][ T5513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.094996][ T5513] gfs2_get_tree+0x4d/0x1e0
[ 242.099495][ T5513] vfs_get_tree+0x88/0x270
[ 242.104000][ T5513] do_new_mount+0x24a/0xa40
[ 242.108497][ T5513] __se_sys_mount+0x2d6/0x3c0
[ 242.113371][ T5513] ? __x64_sys_mount+0xc0/0xc0
[ 242.118429][ T5513] ? lockdep_hardirqs_on+0x94/0x140
[ 242.123893][ T5513] ? __x64_sys_mount+0x1c/0xc0
[ 242.128668][ T5513] do_syscall_64+0x4c/0xa0
[ 242.133156][ T5513] ? clear_bhb_loop+0x30/0x80
[ 242.137921][ T5513] ? clear_bhb_loop+0x30/0x80
[ 242.142589][ T5513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.148465][ T5513] RIP: 0033:0x7fa0bfeb990a
[ 242.152872][ T5513] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 242.172768][ T5513] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.181253][ T5513] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 242.189205][ T5513] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 242.197168][ T5513] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 242.205123][ T5513] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 242.213179][ T5513] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 242.221172][ T5513]
[ 242.225564][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.238919][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/13 10:19:39 executed programs: 188
[ 242.381072][ T4245] Bluetooth: hci1: command 0x0406 tx timeout
[ 242.546867][ T5515] loop1: detected capacity change from 0 to 32768
[ 242.610840][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.618466][ T5515] CPU: 0 PID: 5515 Comm: syz.1.202 Not tainted syzkaller #0
[ 242.625856][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 242.636012][ T5515] Call Trace:
[ 242.639296][ T5515]
[ 242.642318][ T5515] dump_stack_lvl+0x168/0x230
[ 242.647008][ T5515] ? show_regs_print_info+0x20/0x20
[ 242.652391][ T5515] ? load_image+0x3b0/0x3b0
[ 242.656915][ T5515] sysfs_create_dir_ns+0x252/0x280
[ 242.662034][ T5515] ? __lock_acquire+0x7c60/0x7c60
[ 242.667071][ T5515] ? sysfs_warn_dup+0xa0/0xa0
[ 242.671768][ T5515] ? do_raw_spin_unlock+0x11d/0x230
[ 242.676982][ T5515] kobject_add_internal+0x662/0xd00
[ 242.682201][ T5515] kobject_init_and_add+0x122/0x190
[ 242.687413][ T5515] ? lockdep_softirqs_off+0x420/0x420
[ 242.692900][ T5515] ? kobject_add+0x210/0x210
[ 242.697486][ T5515] ? __init_swait_queue_head+0xa5/0x150
[ 242.703015][ T5515] gfs2_sys_fs_add+0x234/0x480
[ 242.707773][ T5515] ? gfs2_recover_set+0x240/0x240
[ 242.713043][ T5515] ? snprintf+0xd7/0x120
[ 242.717272][ T5515] ? __free_pages+0x95/0x1a0
[ 242.721848][ T5515] ? vscnprintf+0x80/0x80
[ 242.726192][ T5515] gfs2_fill_super+0x128d/0x1f50
[ 242.731125][ T5515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.736146][ T5515] ? preempt_count_add+0x8d/0x190
[ 242.741370][ T5515] ? sb_set_blocksize+0xa5/0xe0
[ 242.746671][ T5515] get_tree_bdev+0x3f1/0x610
[ 242.751251][ T5515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.756270][ T5515] gfs2_get_tree+0x4d/0x1e0
[ 242.760802][ T5515] vfs_get_tree+0x88/0x270
[ 242.765229][ T5515] do_new_mount+0x24a/0xa40
[ 242.769834][ T5515] __se_sys_mount+0x2d6/0x3c0
[ 242.774503][ T5515] ? __x64_sys_mount+0xc0/0xc0
[ 242.779272][ T5515] ? lockdep_hardirqs_on+0x94/0x140
[ 242.784458][ T5515] ? __x64_sys_mount+0x1c/0xc0
[ 242.789209][ T5515] do_syscall_64+0x4c/0xa0
[ 242.793707][ T5515] ? clear_bhb_loop+0x30/0x80
[ 242.798363][ T5515] ? clear_bhb_loop+0x30/0x80
[ 242.803018][ T5515] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.808981][ T5515] RIP: 0033:0x7fa0bfeb990a
[ 242.813379][ T5515] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 242.833063][ T5515] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.841463][ T5515] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 242.849429][ T5515] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 242.857492][ T5515] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 242.865556][ T5515] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 242.873723][ T5515] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 242.881707][ T5515]
[ 242.885858][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.899180][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.213068][ T5517] loop1: detected capacity change from 0 to 32768
[ 243.263794][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.271598][ T5517] CPU: 1 PID: 5517 Comm: syz.1.203 Not tainted syzkaller #0
[ 243.278934][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 243.289000][ T5517] Call Trace:
[ 243.292303][ T5517]
[ 243.295331][ T5517] dump_stack_lvl+0x168/0x230
[ 243.300024][ T5517] ? show_regs_print_info+0x20/0x20
[ 243.305240][ T5517] ? load_image+0x3b0/0x3b0
[ 243.309765][ T5517] sysfs_create_dir_ns+0x252/0x280
[ 243.314991][ T5517] ? __lock_acquire+0x7c60/0x7c60
[ 243.320037][ T5517] ? sysfs_warn_dup+0xa0/0xa0
[ 243.324751][ T5517] ? do_raw_spin_unlock+0x11d/0x230
[ 243.330053][ T5517] kobject_add_internal+0x662/0xd00
[ 243.335439][ T5517] kobject_init_and_add+0x122/0x190
[ 243.340645][ T5517] ? lockdep_softirqs_off+0x420/0x420
[ 243.346125][ T5517] ? kobject_add+0x210/0x210
[ 243.350718][ T5517] ? __init_swait_queue_head+0xa5/0x150
[ 243.356258][ T5517] gfs2_sys_fs_add+0x234/0x480
[ 243.361014][ T5517] ? gfs2_recover_set+0x240/0x240
[ 243.366022][ T5517] ? snprintf+0xd7/0x120
[ 243.370311][ T5517] ? __free_pages+0x95/0x1a0
[ 243.374888][ T5517] ? vscnprintf+0x80/0x80
[ 243.379222][ T5517] gfs2_fill_super+0x128d/0x1f50
[ 243.384326][ T5517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.389331][ T5517] ? preempt_count_add+0x8d/0x190
[ 243.394340][ T5517] ? sb_set_blocksize+0xa5/0xe0
[ 243.399172][ T5517] get_tree_bdev+0x3f1/0x610
[ 243.403742][ T5517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.408745][ T5517] gfs2_get_tree+0x4d/0x1e0
[ 243.413225][ T5517] vfs_get_tree+0x88/0x270
[ 243.417620][ T5517] do_new_mount+0x24a/0xa40
[ 243.422117][ T5517] __se_sys_mount+0x2d6/0x3c0
[ 243.426773][ T5517] ? __x64_sys_mount+0xc0/0xc0
[ 243.431523][ T5517] ? lockdep_hardirqs_on+0x94/0x140
[ 243.436721][ T5517] ? __x64_sys_mount+0x1c/0xc0
[ 243.441474][ T5517] do_syscall_64+0x4c/0xa0
[ 243.445881][ T5517] ? clear_bhb_loop+0x30/0x80
[ 243.450533][ T5517] ? clear_bhb_loop+0x30/0x80
[ 243.455191][ T5517] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.461066][ T5517] RIP: 0033:0x7fa0bfeb990a
[ 243.465473][ T5517] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 243.485085][ T5517] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.493490][ T5517] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 243.501471][ T5517] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 243.509434][ T5517] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 243.517482][ T5517] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 243.525531][ T5517] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 243.533587][ T5517]
[ 243.537804][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.551271][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.857864][ T5519] loop1: detected capacity change from 0 to 32768
[ 243.903242][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.910648][ T5519] CPU: 0 PID: 5519 Comm: syz.1.204 Not tainted syzkaller #0
[ 243.917931][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 243.927991][ T5519] Call Trace:
[ 243.931274][ T5519]
[ 243.934274][ T5519] dump_stack_lvl+0x168/0x230
[ 243.938960][ T5519] ? show_regs_print_info+0x20/0x20
[ 243.944181][ T5519] ? load_image+0x3b0/0x3b0
[ 243.948797][ T5519] sysfs_create_dir_ns+0x252/0x280
[ 243.953921][ T5519] ? __lock_acquire+0x7c60/0x7c60
[ 243.958964][ T5519] ? sysfs_warn_dup+0xa0/0xa0
[ 243.963681][ T5519] ? do_raw_spin_unlock+0x11d/0x230
[ 243.968894][ T5519] kobject_add_internal+0x662/0xd00
[ 243.974209][ T5519] kobject_init_and_add+0x122/0x190
[ 243.979417][ T5519] ? lockdep_softirqs_off+0x420/0x420
[ 243.984967][ T5519] ? kobject_add+0x210/0x210
[ 243.989681][ T5519] ? __init_swait_queue_head+0xa5/0x150
[ 243.995349][ T5519] gfs2_sys_fs_add+0x234/0x480
[ 244.000281][ T5519] ? gfs2_recover_set+0x240/0x240
[ 244.005374][ T5519] ? snprintf+0xd7/0x120
[ 244.009615][ T5519] ? __free_pages+0x95/0x1a0
[ 244.014352][ T5519] ? vscnprintf+0x80/0x80
[ 244.018713][ T5519] gfs2_fill_super+0x128d/0x1f50
[ 244.023677][ T5519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.028696][ T5519] ? preempt_count_add+0x8d/0x190
[ 244.033733][ T5519] ? sb_set_blocksize+0xa5/0xe0
[ 244.038584][ T5519] get_tree_bdev+0x3f1/0x610
[ 244.043183][ T5519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.048328][ T5519] gfs2_get_tree+0x4d/0x1e0
[ 244.052826][ T5519] vfs_get_tree+0x88/0x270
[ 244.057229][ T5519] do_new_mount+0x24a/0xa40
[ 244.061719][ T5519] __se_sys_mount+0x2d6/0x3c0
[ 244.066380][ T5519] ? __x64_sys_mount+0xc0/0xc0
[ 244.071132][ T5519] ? lockdep_hardirqs_on+0x94/0x140
[ 244.076312][ T5519] ? __x64_sys_mount+0x1c/0xc0
[ 244.081074][ T5519] do_syscall_64+0x4c/0xa0
[ 244.085599][ T5519] ? clear_bhb_loop+0x30/0x80
[ 244.090434][ T5519] ? clear_bhb_loop+0x30/0x80
[ 244.095140][ T5519] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.101195][ T5519] RIP: 0033:0x7fa0bfeb990a
[ 244.105593][ T5519] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 244.125446][ T5519] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.133937][ T5519] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 244.141894][ T5519] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 244.149862][ T5519] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 244.157817][ T5519] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 244.165778][ T5519] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 244.173929][ T5519]
[ 244.178576][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.191823][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.507070][ T5521] loop1: detected capacity change from 0 to 32768
[ 244.561144][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.568550][ T5521] CPU: 1 PID: 5521 Comm: syz.1.205 Not tainted syzkaller #0
[ 244.575838][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 244.585899][ T5521] Call Trace:
[ 244.589195][ T5521]
[ 244.592308][ T5521] dump_stack_lvl+0x168/0x230
[ 244.597137][ T5521] ? show_regs_print_info+0x20/0x20
[ 244.602346][ T5521] ? load_image+0x3b0/0x3b0
[ 244.606865][ T5521] sysfs_create_dir_ns+0x252/0x280
[ 244.612240][ T5521] ? __lock_acquire+0x7c60/0x7c60
[ 244.617364][ T5521] ? sysfs_warn_dup+0xa0/0xa0
[ 244.622053][ T5521] ? do_raw_spin_unlock+0x11d/0x230
[ 244.627256][ T5521] kobject_add_internal+0x662/0xd00
[ 244.632467][ T5521] kobject_init_and_add+0x122/0x190
[ 244.637764][ T5521] ? lockdep_softirqs_off+0x420/0x420
[ 244.643271][ T5521] ? kobject_add+0x210/0x210
[ 244.647869][ T5521] ? __init_swait_queue_head+0xa5/0x150
[ 244.653425][ T5521] gfs2_sys_fs_add+0x234/0x480
[ 244.658170][ T5521] ? gfs2_recover_set+0x240/0x240
[ 244.663388][ T5521] ? snprintf+0xd7/0x120
[ 244.667626][ T5521] ? __free_pages+0x95/0x1a0
[ 244.672242][ T5521] ? vscnprintf+0x80/0x80
[ 244.676558][ T5521] gfs2_fill_super+0x128d/0x1f50
[ 244.681579][ T5521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.686684][ T5521] ? preempt_count_add+0x8d/0x190
[ 244.691704][ T5521] ? sb_set_blocksize+0xa5/0xe0
[ 244.696552][ T5521] get_tree_bdev+0x3f1/0x610
[ 244.701143][ T5521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.706211][ T5521] gfs2_get_tree+0x4d/0x1e0
[ 244.710718][ T5521] vfs_get_tree+0x88/0x270
[ 244.715116][ T5521] do_new_mount+0x24a/0xa40
[ 244.719691][ T5521] __se_sys_mount+0x2d6/0x3c0
[ 244.724348][ T5521] ? __x64_sys_mount+0xc0/0xc0
[ 244.729096][ T5521] ? lockdep_hardirqs_on+0x94/0x140
[ 244.734304][ T5521] ? __x64_sys_mount+0x1c/0xc0
[ 244.739055][ T5521] do_syscall_64+0x4c/0xa0
[ 244.743453][ T5521] ? clear_bhb_loop+0x30/0x80
[ 244.748328][ T5521] ? clear_bhb_loop+0x30/0x80
[ 244.753060][ T5521] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.759054][ T5521] RIP: 0033:0x7fa0bfeb990a
[ 244.763453][ T5521] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 244.783232][ T5521] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.791735][ T5521] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 244.799693][ T5521] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 244.807651][ T5521] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 244.815756][ T5521] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 244.823905][ T5521] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 244.831881][ T5521]
[ 244.835863][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.850387][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.158651][ T5523] loop1: detected capacity change from 0 to 32768
[ 245.210626][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.218729][ T5523] CPU: 1 PID: 5523 Comm: syz.1.206 Not tainted syzkaller #0
[ 245.226028][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 245.236090][ T5523] Call Trace:
[ 245.239385][ T5523]
[ 245.242319][ T5523] dump_stack_lvl+0x168/0x230
[ 245.247017][ T5523] ? show_regs_print_info+0x20/0x20
[ 245.252278][ T5523] ? load_image+0x3b0/0x3b0
[ 245.256805][ T5523] sysfs_create_dir_ns+0x252/0x280
[ 245.262019][ T5523] ? __lock_acquire+0x7c60/0x7c60
[ 245.267178][ T5523] ? sysfs_warn_dup+0xa0/0xa0
[ 245.271881][ T5523] ? do_raw_spin_unlock+0x11d/0x230
[ 245.277096][ T5523] kobject_add_internal+0x662/0xd00
[ 245.282310][ T5523] kobject_init_and_add+0x122/0x190
[ 245.287536][ T5523] ? lockdep_softirqs_off+0x420/0x420
[ 245.293025][ T5523] ? kobject_add+0x210/0x210
[ 245.297603][ T5523] ? __init_swait_queue_head+0xa5/0x150
[ 245.303312][ T5523] gfs2_sys_fs_add+0x234/0x480
[ 245.308160][ T5523] ? gfs2_recover_set+0x240/0x240
[ 245.313171][ T5523] ? snprintf+0xd7/0x120
[ 245.317412][ T5523] ? __free_pages+0x95/0x1a0
[ 245.322005][ T5523] ? vscnprintf+0x80/0x80
[ 245.326426][ T5523] gfs2_fill_super+0x128d/0x1f50
[ 245.331370][ T5523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.336477][ T5523] ? preempt_count_add+0x8d/0x190
[ 245.341487][ T5523] ? sb_set_blocksize+0xa5/0xe0
[ 245.346321][ T5523] get_tree_bdev+0x3f1/0x610
[ 245.350897][ T5523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.355940][ T5523] gfs2_get_tree+0x4d/0x1e0
[ 245.360449][ T5523] vfs_get_tree+0x88/0x270
[ 245.364847][ T5523] do_new_mount+0x24a/0xa40
[ 245.369336][ T5523] __se_sys_mount+0x2d6/0x3c0
[ 245.374009][ T5523] ? __x64_sys_mount+0xc0/0xc0
[ 245.379372][ T5523] ? lockdep_hardirqs_on+0x94/0x140
[ 245.384560][ T5523] ? __x64_sys_mount+0x1c/0xc0
[ 245.389324][ T5523] do_syscall_64+0x4c/0xa0
[ 245.394016][ T5523] ? clear_bhb_loop+0x30/0x80
[ 245.398726][ T5523] ? clear_bhb_loop+0x30/0x80
[ 245.403671][ T5523] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.409551][ T5523] RIP: 0033:0x7fa0bfeb990a
[ 245.413957][ T5523] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 245.433743][ T5523] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.442248][ T5523] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 245.450221][ T5523] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 245.458274][ T5523] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 245.466408][ T5523] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 245.474366][ T5523] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 245.482335][ T5523]
[ 245.490274][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.503998][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.828651][ T5525] loop1: detected capacity change from 0 to 32768
[ 245.881697][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.889136][ T5525] CPU: 1 PID: 5525 Comm: syz.1.207 Not tainted syzkaller #0
[ 245.896428][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 245.906580][ T5525] Call Trace:
[ 245.909877][ T5525]
[ 245.912806][ T5525] dump_stack_lvl+0x168/0x230
[ 245.917494][ T5525] ? show_regs_print_info+0x20/0x20
[ 245.922787][ T5525] ? load_image+0x3b0/0x3b0
[ 245.927406][ T5525] sysfs_create_dir_ns+0x252/0x280
[ 245.932532][ T5525] ? __lock_acquire+0x7c60/0x7c60
[ 245.937652][ T5525] ? sysfs_warn_dup+0xa0/0xa0
[ 245.942358][ T5525] ? do_raw_spin_unlock+0x11d/0x230
[ 245.947747][ T5525] kobject_add_internal+0x662/0xd00
[ 245.952962][ T5525] kobject_init_and_add+0x122/0x190
[ 245.958182][ T5525] ? lockdep_softirqs_off+0x420/0x420
[ 245.963657][ T5525] ? kobject_add+0x210/0x210
[ 245.968247][ T5525] ? __init_swait_queue_head+0xa5/0x150
[ 245.973883][ T5525] gfs2_sys_fs_add+0x234/0x480
[ 245.978645][ T5525] ? gfs2_recover_set+0x240/0x240
[ 245.983646][ T5525] ? snprintf+0xd7/0x120
[ 245.988063][ T5525] ? __free_pages+0x95/0x1a0
[ 245.992636][ T5525] ? vscnprintf+0x80/0x80
[ 245.996973][ T5525] gfs2_fill_super+0x128d/0x1f50
[ 246.001895][ T5525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.006995][ T5525] ? preempt_count_add+0x8d/0x190
[ 246.012026][ T5525] ? sb_set_blocksize+0xa5/0xe0
[ 246.016878][ T5525] get_tree_bdev+0x3f1/0x610
[ 246.021539][ T5525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.026562][ T5525] gfs2_get_tree+0x4d/0x1e0
[ 246.031052][ T5525] vfs_get_tree+0x88/0x270
[ 246.035461][ T5525] do_new_mount+0x24a/0xa40
[ 246.039958][ T5525] __se_sys_mount+0x2d6/0x3c0
[ 246.044721][ T5525] ? __x64_sys_mount+0xc0/0xc0
[ 246.049559][ T5525] ? lockdep_hardirqs_on+0x94/0x140
[ 246.054738][ T5525] ? __x64_sys_mount+0x1c/0xc0
[ 246.059491][ T5525] do_syscall_64+0x4c/0xa0
[ 246.063887][ T5525] ? clear_bhb_loop+0x30/0x80
[ 246.068543][ T5525] ? clear_bhb_loop+0x30/0x80
[ 246.073465][ T5525] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.079354][ T5525] RIP: 0033:0x7fa0bfeb990a
[ 246.083757][ T5525] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 246.103430][ T5525] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.112008][ T5525] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 246.119980][ T5525] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 246.127934][ T5525] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 246.135891][ T5525] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 246.143847][ T5525] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 246.151823][ T5525]
[ 246.156357][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.169920][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.493109][ T5527] loop1: detected capacity change from 0 to 32768
[ 246.541719][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.549126][ T5527] CPU: 1 PID: 5527 Comm: syz.1.208 Not tainted syzkaller #0
[ 246.556797][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 246.566994][ T5527] Call Trace:
[ 246.570282][ T5527]
[ 246.573218][ T5527] dump_stack_lvl+0x168/0x230
[ 246.577920][ T5527] ? show_regs_print_info+0x20/0x20
[ 246.583129][ T5527] ? load_image+0x3b0/0x3b0
[ 246.588033][ T5527] sysfs_create_dir_ns+0x252/0x280
[ 246.593308][ T5527] ? __lock_acquire+0x7c60/0x7c60
[ 246.598350][ T5527] ? sysfs_warn_dup+0xa0/0xa0
[ 246.603074][ T5527] ? do_raw_spin_unlock+0x11d/0x230
[ 246.608282][ T5527] kobject_add_internal+0x662/0xd00
[ 246.613590][ T5527] kobject_init_and_add+0x122/0x190
[ 246.618901][ T5527] ? lockdep_softirqs_off+0x420/0x420
[ 246.624465][ T5527] ? kobject_add+0x210/0x210
[ 246.629071][ T5527] ? __init_swait_queue_head+0xa5/0x150
[ 246.634707][ T5527] gfs2_sys_fs_add+0x234/0x480
[ 246.639610][ T5527] ? gfs2_recover_set+0x240/0x240
[ 246.644740][ T5527] ? snprintf+0xd7/0x120
[ 246.648970][ T5527] ? __free_pages+0x95/0x1a0
[ 246.653543][ T5527] ? vscnprintf+0x80/0x80
[ 246.657862][ T5527] gfs2_fill_super+0x128d/0x1f50
[ 246.662790][ T5527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.667810][ T5527] ? preempt_count_add+0x8d/0x190
[ 246.672829][ T5527] ? sb_set_blocksize+0xa5/0xe0
[ 246.677678][ T5527] get_tree_bdev+0x3f1/0x610
[ 246.682265][ T5527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.687282][ T5527] gfs2_get_tree+0x4d/0x1e0
[ 246.691775][ T5527] vfs_get_tree+0x88/0x270
[ 246.696211][ T5527] do_new_mount+0x24a/0xa40
[ 246.700762][ T5527] __se_sys_mount+0x2d6/0x3c0
[ 246.705426][ T5527] ? __x64_sys_mount+0xc0/0xc0
[ 246.710261][ T5527] ? lockdep_hardirqs_on+0x94/0x140
[ 246.715442][ T5527] ? __x64_sys_mount+0x1c/0xc0
[ 246.720331][ T5527] do_syscall_64+0x4c/0xa0
[ 246.724770][ T5527] ? clear_bhb_loop+0x30/0x80
[ 246.729696][ T5527] ? clear_bhb_loop+0x30/0x80
[ 246.734367][ T5527] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.740337][ T5527] RIP: 0033:0x7fa0bfeb990a
[ 246.744920][ T5527] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 246.764691][ T5527] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.773285][ T5527] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 246.781243][ T5527] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 246.789225][ T5527] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 246.797183][ T5527] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 246.805336][ T5527] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 246.813301][ T5527]
[ 246.817670][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.830924][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.141962][ T5529] loop1: detected capacity change from 0 to 32768
[ 247.201886][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.209311][ T5529] CPU: 1 PID: 5529 Comm: syz.1.209 Not tainted syzkaller #0
[ 247.216607][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 247.226760][ T5529] Call Trace:
[ 247.230050][ T5529]
[ 247.232981][ T5529] dump_stack_lvl+0x168/0x230
[ 247.237670][ T5529] ? show_regs_print_info+0x20/0x20
[ 247.242885][ T5529] ? load_image+0x3b0/0x3b0
[ 247.247538][ T5529] sysfs_create_dir_ns+0x252/0x280
[ 247.252753][ T5529] ? __lock_acquire+0x7c60/0x7c60
[ 247.257786][ T5529] ? sysfs_warn_dup+0xa0/0xa0
[ 247.262501][ T5529] ? do_raw_spin_unlock+0x11d/0x230
[ 247.267708][ T5529] kobject_add_internal+0x662/0xd00
[ 247.273007][ T5529] kobject_init_and_add+0x122/0x190
[ 247.278211][ T5529] ? lockdep_softirqs_off+0x420/0x420
[ 247.283694][ T5529] ? kobject_add+0x210/0x210
[ 247.288393][ T5529] ? __init_swait_queue_head+0xa5/0x150
[ 247.293938][ T5529] gfs2_sys_fs_add+0x234/0x480
[ 247.298776][ T5529] ? gfs2_recover_set+0x240/0x240
[ 247.303823][ T5529] ? snprintf+0xd7/0x120
[ 247.308063][ T5529] ? __free_pages+0x95/0x1a0
[ 247.312974][ T5529] ? vscnprintf+0x80/0x80
[ 247.317313][ T5529] gfs2_fill_super+0x128d/0x1f50
[ 247.322367][ T5529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.327403][ T5529] ? preempt_count_add+0x8d/0x190
[ 247.332445][ T5529] ? sb_set_blocksize+0xa5/0xe0
[ 247.337300][ T5529] get_tree_bdev+0x3f1/0x610
[ 247.341874][ T5529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.346881][ T5529] gfs2_get_tree+0x4d/0x1e0
[ 247.351371][ T5529] vfs_get_tree+0x88/0x270
[ 247.356040][ T5529] do_new_mount+0x24a/0xa40
[ 247.360553][ T5529] __se_sys_mount+0x2d6/0x3c0
[ 247.365241][ T5529] ? __x64_sys_mount+0xc0/0xc0
[ 247.370003][ T5529] ? lockdep_hardirqs_on+0x94/0x140
[ 247.375193][ T5529] ? __x64_sys_mount+0x1c/0xc0
[ 247.379937][ T5529] do_syscall_64+0x4c/0xa0
[ 247.384332][ T5529] ? clear_bhb_loop+0x30/0x80
[ 247.388985][ T5529] ? clear_bhb_loop+0x30/0x80
[ 247.393637][ T5529] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.399508][ T5529] RIP: 0033:0x7fa0bfeb990a
[ 247.403901][ T5529] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 247.423490][ T5529] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.431999][ T5529] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 247.440105][ T5529] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 247.448079][ T5529] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 247.456044][ T5529] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 247.464025][ T5529] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 247.472265][ T5529]
[ 247.476462][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.490223][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/13 10:19:45 executed programs: 196
[ 247.796891][ T5531] loop1: detected capacity change from 0 to 32768
[ 247.851181][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.859021][ T5531] CPU: 0 PID: 5531 Comm: syz.1.210 Not tainted syzkaller #0
[ 247.866306][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 247.876620][ T5531] Call Trace:
[ 247.880220][ T5531]
[ 247.883163][ T5531] dump_stack_lvl+0x168/0x230
[ 247.887962][ T5531] ? show_regs_print_info+0x20/0x20
[ 247.893269][ T5531] ? load_image+0x3b0/0x3b0
[ 247.897879][ T5531] sysfs_create_dir_ns+0x252/0x280
[ 247.903006][ T5531] ? __lock_acquire+0x7c60/0x7c60
[ 247.908039][ T5531] ? sysfs_warn_dup+0xa0/0xa0
[ 247.912730][ T5531] ? do_raw_spin_unlock+0x11d/0x230
[ 247.918029][ T5531] kobject_add_internal+0x662/0xd00
[ 247.923244][ T5531] kobject_init_and_add+0x122/0x190
[ 247.928660][ T5531] ? lockdep_softirqs_off+0x420/0x420
[ 247.934150][ T5531] ? kobject_add+0x210/0x210
[ 247.938764][ T5531] ? __init_swait_queue_head+0xa5/0x150
[ 247.944304][ T5531] gfs2_sys_fs_add+0x234/0x480
[ 247.949097][ T5531] ? gfs2_recover_set+0x240/0x240
[ 247.954121][ T5531] ? snprintf+0xd7/0x120
[ 247.958348][ T5531] ? __free_pages+0x95/0x1a0
[ 247.962931][ T5531] ? vscnprintf+0x80/0x80
[ 247.967282][ T5531] gfs2_fill_super+0x128d/0x1f50
[ 247.972211][ T5531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.977214][ T5531] ? preempt_count_add+0x8d/0x190
[ 247.982240][ T5531] ? sb_set_blocksize+0xa5/0xe0
[ 247.987102][ T5531] get_tree_bdev+0x3f1/0x610
[ 247.991690][ T5531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.996708][ T5531] gfs2_get_tree+0x4d/0x1e0
[ 248.001227][ T5531] vfs_get_tree+0x88/0x270
[ 248.005656][ T5531] do_new_mount+0x24a/0xa40
[ 248.010150][ T5531] __se_sys_mount+0x2d6/0x3c0
[ 248.014818][ T5531] ? __x64_sys_mount+0xc0/0xc0
[ 248.019578][ T5531] ? lockdep_hardirqs_on+0x94/0x140
[ 248.024879][ T5531] ? __x64_sys_mount+0x1c/0xc0
[ 248.029656][ T5531] do_syscall_64+0x4c/0xa0
[ 248.034064][ T5531] ? clear_bhb_loop+0x30/0x80
[ 248.038746][ T5531] ? clear_bhb_loop+0x30/0x80
[ 248.043509][ T5531] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.049591][ T5531] RIP: 0033:0x7fa0bfeb990a
[ 248.054010][ T5531] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 248.073804][ T5531] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.082550][ T5531] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 248.090511][ T5531] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 248.098504][ T5531] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 248.106461][ T5531] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 248.114502][ T5531] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 248.122492][ T5531]
[ 248.126680][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.140303][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.466488][ T5533] loop1: detected capacity change from 0 to 32768
[ 248.519699][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.527217][ T5533] CPU: 0 PID: 5533 Comm: syz.1.211 Not tainted syzkaller #0
[ 248.534511][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 248.544774][ T5533] Call Trace:
[ 248.548150][ T5533]
[ 248.551087][ T5533] dump_stack_lvl+0x168/0x230
[ 248.555780][ T5533] ? show_regs_print_info+0x20/0x20
[ 248.560986][ T5533] ? load_image+0x3b0/0x3b0
[ 248.565507][ T5533] sysfs_create_dir_ns+0x252/0x280
[ 248.570727][ T5533] ? __lock_acquire+0x7c60/0x7c60
[ 248.575762][ T5533] ? sysfs_warn_dup+0xa0/0xa0
[ 248.580720][ T5533] ? do_raw_spin_unlock+0x11d/0x230
[ 248.585961][ T5533] kobject_add_internal+0x662/0xd00
[ 248.591170][ T5533] kobject_init_and_add+0x122/0x190
[ 248.596595][ T5533] ? lockdep_softirqs_off+0x420/0x420
[ 248.601991][ T5533] ? kobject_add+0x210/0x210
[ 248.606594][ T5533] ? __init_swait_queue_head+0xa5/0x150
[ 248.612266][ T5533] gfs2_sys_fs_add+0x234/0x480
[ 248.617133][ T5533] ? gfs2_recover_set+0x240/0x240
[ 248.622363][ T5533] ? snprintf+0xd7/0x120
[ 248.626601][ T5533] ? __free_pages+0x95/0x1a0
[ 248.631183][ T5533] ? vscnprintf+0x80/0x80
[ 248.635609][ T5533] gfs2_fill_super+0x128d/0x1f50
[ 248.640543][ T5533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.645560][ T5533] ? preempt_count_add+0x8d/0x190
[ 248.650582][ T5533] ? sb_set_blocksize+0xa5/0xe0
[ 248.655422][ T5533] get_tree_bdev+0x3f1/0x610
[ 248.660081][ T5533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.665087][ T5533] gfs2_get_tree+0x4d/0x1e0
[ 248.669575][ T5533] vfs_get_tree+0x88/0x270
[ 248.674076][ T5533] do_new_mount+0x24a/0xa40
[ 248.678652][ T5533] __se_sys_mount+0x2d6/0x3c0
[ 248.683345][ T5533] ? __x64_sys_mount+0xc0/0xc0
[ 248.688095][ T5533] ? lockdep_hardirqs_on+0x94/0x140
[ 248.693289][ T5533] ? __x64_sys_mount+0x1c/0xc0
[ 248.698126][ T5533] do_syscall_64+0x4c/0xa0
[ 248.702559][ T5533] ? clear_bhb_loop+0x30/0x80
[ 248.707340][ T5533] ? clear_bhb_loop+0x30/0x80
[ 248.712098][ T5533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.718001][ T5533] RIP: 0033:0x7fa0bfeb990a
[ 248.722403][ T5533] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 248.742778][ T5533] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.751180][ T5533] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 248.759132][ T5533] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 248.767096][ T5533] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 248.775233][ T5533] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 248.783277][ T5533] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 248.791253][ T5533]
[ 248.798505][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.813076][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.150828][ T5535] loop1: detected capacity change from 0 to 32768
[ 249.201943][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.209991][ T5535] CPU: 0 PID: 5535 Comm: syz.1.212 Not tainted syzkaller #0
[ 249.217327][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 249.227492][ T5535] Call Trace:
[ 249.230904][ T5535]
[ 249.233843][ T5535] dump_stack_lvl+0x168/0x230
[ 249.238619][ T5535] ? show_regs_print_info+0x20/0x20
[ 249.243833][ T5535] ? load_image+0x3b0/0x3b0
[ 249.248358][ T5535] sysfs_create_dir_ns+0x252/0x280
[ 249.253570][ T5535] ? __lock_acquire+0x7c60/0x7c60
[ 249.258602][ T5535] ? sysfs_warn_dup+0xa0/0xa0
[ 249.263301][ T5535] ? do_raw_spin_unlock+0x11d/0x230
[ 249.268602][ T5535] kobject_add_internal+0x662/0xd00
[ 249.274008][ T5535] kobject_init_and_add+0x122/0x190
[ 249.279215][ T5535] ? lockdep_softirqs_off+0x420/0x420
[ 249.285111][ T5535] ? kobject_add+0x210/0x210
[ 249.289773][ T5535] ? __init_swait_queue_head+0xa5/0x150
[ 249.295298][ T5535] gfs2_sys_fs_add+0x234/0x480
[ 249.300049][ T5535] ? gfs2_recover_set+0x240/0x240
[ 249.305059][ T5535] ? snprintf+0xd7/0x120
[ 249.309304][ T5535] ? __free_pages+0x95/0x1a0
[ 249.313969][ T5535] ? vscnprintf+0x80/0x80
[ 249.318291][ T5535] gfs2_fill_super+0x128d/0x1f50
[ 249.323398][ T5535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.328412][ T5535] ? preempt_count_add+0x8d/0x190
[ 249.333571][ T5535] ? sb_set_blocksize+0xa5/0xe0
[ 249.338416][ T5535] get_tree_bdev+0x3f1/0x610
[ 249.342995][ T5535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.356031][ T5535] gfs2_get_tree+0x4d/0x1e0
[ 249.360533][ T5535] vfs_get_tree+0x88/0x270
[ 249.365073][ T5535] do_new_mount+0x24a/0xa40
[ 249.369588][ T5535] __se_sys_mount+0x2d6/0x3c0
[ 249.374287][ T5535] ? __x64_sys_mount+0xc0/0xc0
[ 249.379138][ T5535] ? lockdep_hardirqs_on+0x94/0x140
[ 249.384331][ T5535] ? __x64_sys_mount+0x1c/0xc0
[ 249.389094][ T5535] do_syscall_64+0x4c/0xa0
[ 249.393507][ T5535] ? clear_bhb_loop+0x30/0x80
[ 249.398165][ T5535] ? clear_bhb_loop+0x30/0x80
[ 249.402870][ T5535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.408754][ T5535] RIP: 0033:0x7fa0bfeb990a
[ 249.413516][ T5535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.433209][ T5535] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.441620][ T5535] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 249.449577][ T5535] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 249.457534][ T5535] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 249.465494][ T5535] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 249.473451][ T5535] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 249.481419][ T5535]
[ 249.485610][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.499116][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.851744][ T5537] loop1: detected capacity change from 0 to 32768
[ 249.899518][ T5537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.907053][ T5537] CPU: 1 PID: 5537 Comm: syz.1.213 Not tainted syzkaller #0
[ 249.914347][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 249.924409][ T5537] Call Trace:
[ 249.927696][ T5537]
[ 249.930729][ T5537] dump_stack_lvl+0x168/0x230
[ 249.935426][ T5537] ? show_regs_print_info+0x20/0x20
[ 249.940641][ T5537] ? load_image+0x3b0/0x3b0
[ 249.945169][ T5537] sysfs_create_dir_ns+0x252/0x280
[ 249.950292][ T5537] ? __lock_acquire+0x7c60/0x7c60
[ 249.955505][ T5537] ? sysfs_warn_dup+0xa0/0xa0
[ 249.960283][ T5537] ? do_raw_spin_unlock+0x11d/0x230
[ 249.965493][ T5537] kobject_add_internal+0x662/0xd00
[ 249.970862][ T5537] kobject_init_and_add+0x122/0x190
[ 249.976228][ T5537] ? lockdep_softirqs_off+0x420/0x420
[ 249.981843][ T5537] ? kobject_add+0x210/0x210
[ 249.986468][ T5537] ? __init_swait_queue_head+0xa5/0x150
[ 249.992258][ T5537] gfs2_sys_fs_add+0x234/0x480
[ 249.997190][ T5537] ? gfs2_recover_set+0x240/0x240
[ 250.002235][ T5537] ? snprintf+0xd7/0x120
[ 250.006471][ T5537] ? __free_pages+0x95/0x1a0
[ 250.011070][ T5537] ? vscnprintf+0x80/0x80
[ 250.015430][ T5537] gfs2_fill_super+0x128d/0x1f50
[ 250.020625][ T5537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.025870][ T5537] ? preempt_count_add+0x8d/0x190
[ 250.030909][ T5537] ? sb_set_blocksize+0xa5/0xe0
[ 250.035768][ T5537] get_tree_bdev+0x3f1/0x610
[ 250.040354][ T5537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.045363][ T5537] gfs2_get_tree+0x4d/0x1e0
[ 250.049852][ T5537] vfs_get_tree+0x88/0x270
[ 250.054250][ T5537] do_new_mount+0x24a/0xa40
[ 250.058737][ T5537] __se_sys_mount+0x2d6/0x3c0
[ 250.063400][ T5537] ? __x64_sys_mount+0xc0/0xc0
[ 250.068154][ T5537] ? lockdep_hardirqs_on+0x94/0x140
[ 250.073339][ T5537] ? __x64_sys_mount+0x1c/0xc0
[ 250.078161][ T5537] do_syscall_64+0x4c/0xa0
[ 250.082555][ T5537] ? clear_bhb_loop+0x30/0x80
[ 250.087327][ T5537] ? clear_bhb_loop+0x30/0x80
[ 250.092078][ T5537] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.097958][ T5537] RIP: 0033:0x7fa0bfeb990a
[ 250.102512][ T5537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 250.122438][ T5537] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.130944][ T5537] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 250.138950][ T5537] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 250.146926][ T5537] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 250.154889][ T5537] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 250.162936][ T5537] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 250.170923][ T5537]
[ 250.175155][ T5537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.188303][ T5537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.482457][ T5539] loop1: detected capacity change from 0 to 32768
[ 250.546874][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.555385][ T5539] CPU: 0 PID: 5539 Comm: syz.1.214 Not tainted syzkaller #0
[ 250.562690][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 250.573275][ T5539] Call Trace:
[ 250.576565][ T5539]
[ 250.579494][ T5539] dump_stack_lvl+0x168/0x230
[ 250.584213][ T5539] ? show_regs_print_info+0x20/0x20
[ 250.589508][ T5539] ? load_image+0x3b0/0x3b0
[ 250.594029][ T5539] sysfs_create_dir_ns+0x252/0x280
[ 250.599164][ T5539] ? __lock_acquire+0x7c60/0x7c60
[ 250.604196][ T5539] ? sysfs_warn_dup+0xa0/0xa0
[ 250.608885][ T5539] ? do_raw_spin_unlock+0x11d/0x230
[ 250.614089][ T5539] kobject_add_internal+0x662/0xd00
[ 250.619302][ T5539] kobject_init_and_add+0x122/0x190
[ 250.624511][ T5539] ? lockdep_softirqs_off+0x420/0x420
[ 250.629885][ T5539] ? kobject_add+0x210/0x210
[ 250.634634][ T5539] ? __init_swait_queue_head+0xa5/0x150
[ 250.640163][ T5539] gfs2_sys_fs_add+0x234/0x480
[ 250.644919][ T5539] ? gfs2_recover_set+0x240/0x240
[ 250.650200][ T5539] ? snprintf+0xd7/0x120
[ 250.654435][ T5539] ? __free_pages+0x95/0x1a0
[ 250.659200][ T5539] ? vscnprintf+0x80/0x80
[ 250.663605][ T5539] gfs2_fill_super+0x128d/0x1f50
[ 250.668634][ T5539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.673644][ T5539] ? preempt_count_add+0x8d/0x190
[ 250.678660][ T5539] ? sb_set_blocksize+0xa5/0xe0
[ 250.683515][ T5539] get_tree_bdev+0x3f1/0x610
[ 250.688105][ T5539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.693122][ T5539] gfs2_get_tree+0x4d/0x1e0
[ 250.697610][ T5539] vfs_get_tree+0x88/0x270
[ 250.702023][ T5539] do_new_mount+0x24a/0xa40
[ 250.706513][ T5539] __se_sys_mount+0x2d6/0x3c0
[ 250.711274][ T5539] ? __x64_sys_mount+0xc0/0xc0
[ 250.716052][ T5539] ? lockdep_hardirqs_on+0x94/0x140
[ 250.721238][ T5539] ? __x64_sys_mount+0x1c/0xc0
[ 250.726073][ T5539] do_syscall_64+0x4c/0xa0
[ 250.730473][ T5539] ? clear_bhb_loop+0x30/0x80
[ 250.735196][ T5539] ? clear_bhb_loop+0x30/0x80
[ 250.739858][ T5539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.745910][ T5539] RIP: 0033:0x7fa0bfeb990a
[ 250.750309][ T5539] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 250.770070][ T5539] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.778483][ T5539] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 250.786455][ T5539] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 250.794413][ T5539] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 250.802371][ T5539] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 250.810481][ T5539] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 250.818562][ T5539]
[ 250.822953][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.836378][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.190694][ T5541] loop1: detected capacity change from 0 to 32768
[ 251.244445][ T5541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.252153][ T5541] CPU: 0 PID: 5541 Comm: syz.1.215 Not tainted syzkaller #0
[ 251.259456][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 251.269865][ T5541] Call Trace:
[ 251.273158][ T5541]
[ 251.276090][ T5541] dump_stack_lvl+0x168/0x230
[ 251.280777][ T5541] ? show_regs_print_info+0x20/0x20
[ 251.285985][ T5541] ? load_image+0x3b0/0x3b0
[ 251.290517][ T5541] sysfs_create_dir_ns+0x252/0x280
[ 251.295645][ T5541] ? __lock_acquire+0x7c60/0x7c60
[ 251.300778][ T5541] ? sysfs_warn_dup+0xa0/0xa0
[ 251.305465][ T5541] ? do_raw_spin_unlock+0x11d/0x230
[ 251.310761][ T5541] kobject_add_internal+0x662/0xd00
[ 251.315973][ T5541] kobject_init_and_add+0x122/0x190
[ 251.321270][ T5541] ? lockdep_softirqs_off+0x420/0x420
[ 251.326666][ T5541] ? kobject_add+0x210/0x210
[ 251.331421][ T5541] ? __init_swait_queue_head+0xa5/0x150
[ 251.337065][ T5541] gfs2_sys_fs_add+0x234/0x480
[ 251.341814][ T5541] ? gfs2_recover_set+0x240/0x240
[ 251.346905][ T5541] ? snprintf+0xd7/0x120
[ 251.351142][ T5541] ? __free_pages+0x95/0x1a0
[ 251.355713][ T5541] ? vscnprintf+0x80/0x80
[ 251.360050][ T5541] gfs2_fill_super+0x128d/0x1f50
[ 251.365085][ T5541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.370092][ T5541] ? preempt_count_add+0x8d/0x190
[ 251.375102][ T5541] ? sb_set_blocksize+0xa5/0xe0
[ 251.379953][ T5541] get_tree_bdev+0x3f1/0x610
[ 251.384524][ T5541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.389532][ T5541] gfs2_get_tree+0x4d/0x1e0
[ 251.394022][ T5541] vfs_get_tree+0x88/0x270
[ 251.398422][ T5541] do_new_mount+0x24a/0xa40
[ 251.402908][ T5541] __se_sys_mount+0x2d6/0x3c0
[ 251.407744][ T5541] ? __x64_sys_mount+0xc0/0xc0
[ 251.412487][ T5541] ? lockdep_hardirqs_on+0x94/0x140
[ 251.417748][ T5541] ? __x64_sys_mount+0x1c/0xc0
[ 251.422493][ T5541] do_syscall_64+0x4c/0xa0
[ 251.426889][ T5541] ? clear_bhb_loop+0x30/0x80
[ 251.431642][ T5541] ? clear_bhb_loop+0x30/0x80
[ 251.436297][ T5541] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.442168][ T5541] RIP: 0033:0x7fa0bfeb990a
[ 251.446570][ T5541] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 251.466436][ T5541] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.474861][ T5541] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 251.482844][ T5541] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 251.490805][ T5541] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 251.498850][ T5541] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 251.506995][ T5541] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 251.514959][ T5541]
[ 251.519016][ T5541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.532517][ T5541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.836891][ T5543] loop1: detected capacity change from 0 to 32768
[ 251.905643][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.913264][ T5543] CPU: 0 PID: 5543 Comm: syz.1.216 Not tainted syzkaller #0
[ 251.920564][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 251.930638][ T5543] Call Trace:
[ 251.934063][ T5543]
[ 251.937009][ T5543] dump_stack_lvl+0x168/0x230
[ 251.941821][ T5543] ? show_regs_print_info+0x20/0x20
[ 251.947152][ T5543] ? load_image+0x3b0/0x3b0
[ 251.951768][ T5543] sysfs_create_dir_ns+0x252/0x280
[ 251.956899][ T5543] ? __lock_acquire+0x7c60/0x7c60
[ 251.961952][ T5543] ? sysfs_warn_dup+0xa0/0xa0
[ 251.966732][ T5543] ? do_raw_spin_unlock+0x11d/0x230
[ 251.971949][ T5543] kobject_add_internal+0x662/0xd00
[ 251.977165][ T5543] kobject_init_and_add+0x122/0x190
[ 251.982369][ T5543] ? lockdep_softirqs_off+0x420/0x420
[ 251.987760][ T5543] ? kobject_add+0x210/0x210
[ 251.992442][ T5543] ? __init_swait_queue_head+0xa5/0x150
[ 251.997989][ T5543] gfs2_sys_fs_add+0x234/0x480
[ 252.002760][ T5543] ? gfs2_recover_set+0x240/0x240
[ 252.007768][ T5543] ? snprintf+0xd7/0x120
[ 252.012139][ T5543] ? __free_pages+0x95/0x1a0
[ 252.016833][ T5543] ? vscnprintf+0x80/0x80
[ 252.021260][ T5543] gfs2_fill_super+0x128d/0x1f50
[ 252.026200][ T5543] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.031410][ T5543] ? preempt_count_add+0x8d/0x190
[ 252.036542][ T5543] ? sb_set_blocksize+0xa5/0xe0
[ 252.041583][ T5543] get_tree_bdev+0x3f1/0x610
[ 252.046307][ T5543] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.051336][ T5543] gfs2_get_tree+0x4d/0x1e0
[ 252.055923][ T5543] vfs_get_tree+0x88/0x270
[ 252.060341][ T5543] do_new_mount+0x24a/0xa40
[ 252.064836][ T5543] __se_sys_mount+0x2d6/0x3c0
[ 252.069535][ T5543] ? __x64_sys_mount+0xc0/0xc0
[ 252.074303][ T5543] ? lockdep_hardirqs_on+0x94/0x140
[ 252.079488][ T5543] ? __x64_sys_mount+0x1c/0xc0
[ 252.084266][ T5543] do_syscall_64+0x4c/0xa0
[ 252.088734][ T5543] ? clear_bhb_loop+0x30/0x80
[ 252.093519][ T5543] ? clear_bhb_loop+0x30/0x80
[ 252.098203][ T5543] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.104255][ T5543] RIP: 0033:0x7fa0bfeb990a
[ 252.108652][ T5543] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 252.128411][ T5543] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.137086][ T5543] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 252.145053][ T5543] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 252.153009][ T5543] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 252.160967][ T5543] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 252.169034][ T5543] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 252.176998][ T5543]
[ 252.181398][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.194969][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.508824][ T5545] loop1: detected capacity change from 0 to 32768
[ 252.560434][ T5545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.567919][ T5545] CPU: 0 PID: 5545 Comm: syz.1.217 Not tainted syzkaller #0
[ 252.575307][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 252.585457][ T5545] Call Trace:
[ 252.588742][ T5545]
[ 252.591679][ T5545] dump_stack_lvl+0x168/0x230
[ 252.596503][ T5545] ? show_regs_print_info+0x20/0x20
[ 252.601725][ T5545] ? load_image+0x3b0/0x3b0
[ 252.606250][ T5545] sysfs_create_dir_ns+0x252/0x280
[ 252.611377][ T5545] ? __lock_acquire+0x7c60/0x7c60
[ 252.616417][ T5545] ? sysfs_warn_dup+0xa0/0xa0
[ 252.621107][ T5545] ? do_raw_spin_unlock+0x11d/0x230
[ 252.626525][ T5545] kobject_add_internal+0x662/0xd00
[ 252.631854][ T5545] kobject_init_and_add+0x122/0x190
[ 252.637152][ T5545] ? lockdep_softirqs_off+0x420/0x420
[ 252.642529][ T5545] ? kobject_add+0x210/0x210
[ 252.647105][ T5545] ? __init_swait_queue_head+0xa5/0x150
[ 252.652637][ T5545] gfs2_sys_fs_add+0x234/0x480
[ 252.657415][ T5545] ? gfs2_recover_set+0x240/0x240
[ 252.662449][ T5545] ? snprintf+0xd7/0x120
[ 252.666681][ T5545] ? __free_pages+0x95/0x1a0
[ 252.671271][ T5545] ? vscnprintf+0x80/0x80
[ 252.675744][ T5545] gfs2_fill_super+0x128d/0x1f50
[ 252.680708][ T5545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.685922][ T5545] ? preempt_count_add+0x8d/0x190
[ 252.690950][ T5545] ? sb_set_blocksize+0xa5/0xe0
[ 252.695808][ T5545] get_tree_bdev+0x3f1/0x610
[ 252.700411][ T5545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.705564][ T5545] gfs2_get_tree+0x4d/0x1e0
[ 252.710075][ T5545] vfs_get_tree+0x88/0x270
[ 252.714487][ T5545] do_new_mount+0x24a/0xa40
[ 252.718989][ T5545] __se_sys_mount+0x2d6/0x3c0
[ 252.723663][ T5545] ? __x64_sys_mount+0xc0/0xc0
[ 252.728430][ T5545] ? lockdep_hardirqs_on+0x94/0x140
[ 252.733715][ T5545] ? __x64_sys_mount+0x1c/0xc0
[ 252.738656][ T5545] do_syscall_64+0x4c/0xa0
[ 252.743072][ T5545] ? clear_bhb_loop+0x30/0x80
[ 252.748005][ T5545] ? clear_bhb_loop+0x30/0x80
[ 252.752678][ T5545] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.758572][ T5545] RIP: 0033:0x7fa0bfeb990a
[ 252.763430][ T5545] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 252.783109][ T5545] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.791512][ T5545] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 252.799658][ T5545] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 252.807725][ T5545] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 252.815900][ T5545] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 252.823873][ T5545] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 252.831853][ T5545]
[ 252.836045][ T5545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.849286][ T5545] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/13 10:19:50 executed programs: 204
[ 253.174646][ T5547] loop1: detected capacity change from 0 to 32768
[ 253.192615][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.200022][ T5547] CPU: 0 PID: 5547 Comm: syz.1.218 Not tainted syzkaller #0
[ 253.207316][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 253.217378][ T5547] Call Trace:
[ 253.220665][ T5547]
[ 253.223638][ T5547] dump_stack_lvl+0x168/0x230
[ 253.228341][ T5547] ? show_regs_print_info+0x20/0x20
[ 253.233565][ T5547] ? load_image+0x3b0/0x3b0
[ 253.238104][ T5547] sysfs_create_dir_ns+0x252/0x280
[ 253.243235][ T5547] ? __lock_acquire+0x7c60/0x7c60
[ 253.248265][ T5547] ? sysfs_warn_dup+0xa0/0xa0
[ 253.253124][ T5547] ? do_raw_spin_unlock+0x11d/0x230
[ 253.258430][ T5547] kobject_add_internal+0x662/0xd00
[ 253.263683][ T5547] kobject_init_and_add+0x122/0x190
[ 253.269014][ T5547] ? lockdep_softirqs_off+0x420/0x420
[ 253.274374][ T5547] ? kobject_add+0x210/0x210
[ 253.279058][ T5547] ? __init_swait_queue_head+0xa5/0x150
[ 253.284585][ T5547] gfs2_sys_fs_add+0x234/0x480
[ 253.289595][ T5547] ? gfs2_recover_set+0x240/0x240
[ 253.294596][ T5547] ? snprintf+0xd7/0x120
[ 253.298939][ T5547] ? __free_pages+0x95/0x1a0
[ 253.303509][ T5547] ? vscnprintf+0x80/0x80
[ 253.307839][ T5547] gfs2_fill_super+0x128d/0x1f50
[ 253.312782][ T5547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.317790][ T5547] ? preempt_count_add+0x8d/0x190
[ 253.322796][ T5547] ? sb_set_blocksize+0xa5/0xe0
[ 253.327634][ T5547] get_tree_bdev+0x3f1/0x610
[ 253.332205][ T5547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.337230][ T5547] gfs2_get_tree+0x4d/0x1e0
[ 253.341724][ T5547] vfs_get_tree+0x88/0x270
[ 253.346516][ T5547] do_new_mount+0x24a/0xa40
[ 253.351011][ T5547] __se_sys_mount+0x2d6/0x3c0
[ 253.355673][ T5547] ? __x64_sys_mount+0xc0/0xc0
[ 253.360442][ T5547] ? lockdep_hardirqs_on+0x94/0x140
[ 253.365633][ T5547] ? __x64_sys_mount+0x1c/0xc0
[ 253.370392][ T5547] do_syscall_64+0x4c/0xa0
[ 253.374799][ T5547] ? clear_bhb_loop+0x30/0x80
[ 253.379471][ T5547] ? clear_bhb_loop+0x30/0x80
[ 253.384131][ T5547] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.390268][ T5547] RIP: 0033:0x7fa0bfeb990a
[ 253.394856][ T5547] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 253.414554][ T5547] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.422977][ T5547] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 253.431191][ T5547] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 253.439233][ T5547] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 253.447185][ T5547] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 253.455227][ T5547] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 253.463276][ T5547]
[ 253.467427][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.480582][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.787576][ T5549] loop1: detected capacity change from 0 to 32768
[ 253.841738][ T5549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.849265][ T5549] CPU: 0 PID: 5549 Comm: syz.1.219 Not tainted syzkaller #0
[ 253.856565][ T5549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 253.866631][ T5549] Call Trace:
[ 253.869918][ T5549]
[ 253.872937][ T5549] dump_stack_lvl+0x168/0x230
[ 253.877635][ T5549] ? show_regs_print_info+0x20/0x20
[ 253.882839][ T5549] ? load_image+0x3b0/0x3b0
[ 253.887452][ T5549] sysfs_create_dir_ns+0x252/0x280
[ 253.892572][ T5549] ? __lock_acquire+0x7c60/0x7c60
[ 253.897610][ T5549] ? sysfs_warn_dup+0xa0/0xa0
[ 253.902304][ T5549] ? do_raw_spin_unlock+0x11d/0x230
[ 253.907596][ T5549] kobject_add_internal+0x662/0xd00
[ 253.912812][ T5549] kobject_init_and_add+0x122/0x190
[ 253.918105][ T5549] ? lockdep_softirqs_off+0x420/0x420
[ 253.923487][ T5549] ? kobject_add+0x210/0x210
[ 253.928068][ T5549] ? __init_swait_queue_head+0xa5/0x150
[ 253.933600][ T5549] gfs2_sys_fs_add+0x234/0x480
[ 253.938371][ T5549] ? gfs2_recover_set+0x240/0x240
[ 253.943393][ T5549] ? snprintf+0xd7/0x120
[ 253.947714][ T5549] ? __free_pages+0x95/0x1a0
[ 253.952300][ T5549] ? vscnprintf+0x80/0x80
[ 253.956632][ T5549] gfs2_fill_super+0x128d/0x1f50
[ 253.961563][ T5549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.966663][ T5549] ? preempt_count_add+0x8d/0x190
[ 253.971681][ T5549] ? sb_set_blocksize+0xa5/0xe0
[ 253.976599][ T5549] get_tree_bdev+0x3f1/0x610
[ 253.981255][ T5549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.986376][ T5549] gfs2_get_tree+0x4d/0x1e0
[ 253.990888][ T5549] vfs_get_tree+0x88/0x270
[ 253.995428][ T5549] do_new_mount+0x24a/0xa40
[ 253.999920][ T5549] __se_sys_mount+0x2d6/0x3c0
[ 254.004707][ T5549] ? __x64_sys_mount+0xc0/0xc0
[ 254.009561][ T5549] ? lockdep_hardirqs_on+0x94/0x140
[ 254.014781][ T5549] ? __x64_sys_mount+0x1c/0xc0
[ 254.019541][ T5549] do_syscall_64+0x4c/0xa0
[ 254.023936][ T5549] ? clear_bhb_loop+0x30/0x80
[ 254.028596][ T5549] ? clear_bhb_loop+0x30/0x80
[ 254.033295][ T5549] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.039172][ T5549] RIP: 0033:0x7fa0bfeb990a
[ 254.043576][ T5549] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 254.063438][ T5549] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.071943][ T5549] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 254.080111][ T5549] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 254.088243][ T5549] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 254.096288][ T5549] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 254.104436][ T5549] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 254.112494][ T5549]
[ 254.119727][ T5549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.134083][ T5549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.446474][ T5551] loop1: detected capacity change from 0 to 32768
[ 254.509482][ T5551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.520261][ T5551] CPU: 1 PID: 5551 Comm: syz.1.220 Not tainted syzkaller #0
[ 254.527715][ T5551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 254.537998][ T5551] Call Trace:
[ 254.541285][ T5551]
[ 254.544228][ T5551] dump_stack_lvl+0x168/0x230
[ 254.548916][ T5551] ? show_regs_print_info+0x20/0x20
[ 254.554232][ T5551] ? load_image+0x3b0/0x3b0
[ 254.558757][ T5551] sysfs_create_dir_ns+0x252/0x280
[ 254.563999][ T5551] ? __lock_acquire+0x7c60/0x7c60
[ 254.569042][ T5551] ? sysfs_warn_dup+0xa0/0xa0
[ 254.573904][ T5551] ? do_raw_spin_unlock+0x11d/0x230
[ 254.579112][ T5551] kobject_add_internal+0x662/0xd00
[ 254.584331][ T5551] kobject_init_and_add+0x122/0x190
[ 254.589536][ T5551] ? lockdep_softirqs_off+0x420/0x420
[ 254.595053][ T5551] ? kobject_add+0x210/0x210
[ 254.599632][ T5551] ? __init_swait_queue_head+0xa5/0x150
[ 254.605159][ T5551] gfs2_sys_fs_add+0x234/0x480
[ 254.609925][ T5551] ? gfs2_recover_set+0x240/0x240
[ 254.614930][ T5551] ? snprintf+0xd7/0x120
[ 254.619169][ T5551] ? __free_pages+0x95/0x1a0
[ 254.623769][ T5551] ? vscnprintf+0x80/0x80
[ 254.628083][ T5551] gfs2_fill_super+0x128d/0x1f50
[ 254.633032][ T5551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.638035][ T5551] ? preempt_count_add+0x8d/0x190
[ 254.643043][ T5551] ? sb_set_blocksize+0xa5/0xe0
[ 254.647882][ T5551] get_tree_bdev+0x3f1/0x610
[ 254.652490][ T5551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.657494][ T5551] gfs2_get_tree+0x4d/0x1e0
[ 254.662163][ T5551] vfs_get_tree+0x88/0x270
[ 254.666687][ T5551] do_new_mount+0x24a/0xa40
[ 254.671175][ T5551] __se_sys_mount+0x2d6/0x3c0
[ 254.675841][ T5551] ? __x64_sys_mount+0xc0/0xc0
[ 254.680583][ T5551] ? lockdep_hardirqs_on+0x94/0x140
[ 254.685758][ T5551] ? __x64_sys_mount+0x1c/0xc0
[ 254.690624][ T5551] do_syscall_64+0x4c/0xa0
[ 254.695028][ T5551] ? clear_bhb_loop+0x30/0x80
[ 254.699971][ T5551] ? clear_bhb_loop+0x30/0x80
[ 254.704640][ T5551] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.710671][ T5551] RIP: 0033:0x7fa0bfeb990a
[ 254.715181][ T5551] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 254.734935][ T5551] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.743338][ T5551] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 254.751299][ T5551] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 254.759458][ T5551] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 254.767670][ T5551] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 254.775630][ T5551] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 254.783618][ T5551]
[ 254.788112][ T5551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.801460][ T5551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.113201][ T5553] loop1: detected capacity change from 0 to 32768
[ 255.161633][ T5553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.169032][ T5553] CPU: 1 PID: 5553 Comm: syz.1.221 Not tainted syzkaller #0
[ 255.176321][ T5553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 255.186381][ T5553] Call Trace:
[ 255.190029][ T5553]
[ 255.192972][ T5553] dump_stack_lvl+0x168/0x230
[ 255.197660][ T5553] ? show_regs_print_info+0x20/0x20
[ 255.202862][ T5553] ? load_image+0x3b0/0x3b0
[ 255.207480][ T5553] sysfs_create_dir_ns+0x252/0x280
[ 255.212689][ T5553] ? __lock_acquire+0x7c60/0x7c60
[ 255.217724][ T5553] ? sysfs_warn_dup+0xa0/0xa0
[ 255.222506][ T5553] ? do_raw_spin_unlock+0x11d/0x230
[ 255.227711][ T5553] kobject_add_internal+0x662/0xd00
[ 255.232932][ T5553] kobject_init_and_add+0x122/0x190
[ 255.238136][ T5553] ? lockdep_softirqs_off+0x420/0x420
[ 255.243520][ T5553] ? kobject_add+0x210/0x210
[ 255.248129][ T5553] ? __init_swait_queue_head+0xa5/0x150
[ 255.253852][ T5553] gfs2_sys_fs_add+0x234/0x480
[ 255.258615][ T5553] ? gfs2_recover_set+0x240/0x240
[ 255.263713][ T5553] ? snprintf+0xd7/0x120
[ 255.268032][ T5553] ? __free_pages+0x95/0x1a0
[ 255.272647][ T5553] ? vscnprintf+0x80/0x80
[ 255.276979][ T5553] gfs2_fill_super+0x128d/0x1f50
[ 255.281915][ T5553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.286932][ T5553] ? preempt_count_add+0x8d/0x190
[ 255.291949][ T5553] ? sb_set_blocksize+0xa5/0xe0
[ 255.296816][ T5553] get_tree_bdev+0x3f1/0x610
[ 255.301487][ T5553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.306495][ T5553] gfs2_get_tree+0x4d/0x1e0
[ 255.310983][ T5553] vfs_get_tree+0x88/0x270
[ 255.315393][ T5553] do_new_mount+0x24a/0xa40
[ 255.319878][ T5553] __se_sys_mount+0x2d6/0x3c0
[ 255.324577][ T5553] ? __x64_sys_mount+0xc0/0xc0
[ 255.329324][ T5553] ? lockdep_hardirqs_on+0x94/0x140
[ 255.334537][ T5553] ? __x64_sys_mount+0x1c/0xc0
[ 255.339464][ T5553] do_syscall_64+0x4c/0xa0
[ 255.343877][ T5553] ? clear_bhb_loop+0x30/0x80
[ 255.348542][ T5553] ? clear_bhb_loop+0x30/0x80
[ 255.353206][ T5553] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.359352][ T5553] RIP: 0033:0x7fa0bfeb990a
[ 255.363749][ T5553] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 255.383359][ T5553] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.391767][ T5553] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 255.399819][ T5553] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 255.407868][ T5553] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 255.415825][ T5553] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 255.423778][ T5553] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 255.431748][ T5553]
[ 255.436053][ T5553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.449384][ T5553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.652668][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.659114][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.756298][ T5555] loop1: detected capacity change from 0 to 32768
[ 255.804021][ T5555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.811600][ T5555] CPU: 1 PID: 5555 Comm: syz.1.222 Not tainted syzkaller #0
[ 255.818937][ T5555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 255.829007][ T5555] Call Trace:
[ 255.832302][ T5555]
[ 255.835237][ T5555] dump_stack_lvl+0x168/0x230
[ 255.839922][ T5555] ? show_regs_print_info+0x20/0x20
[ 255.845264][ T5555] ? load_image+0x3b0/0x3b0
[ 255.849788][ T5555] sysfs_create_dir_ns+0x252/0x280
[ 255.854918][ T5555] ? __lock_acquire+0x7c60/0x7c60
[ 255.859999][ T5555] ? sysfs_warn_dup+0xa0/0xa0
[ 255.864705][ T5555] ? do_raw_spin_unlock+0x11d/0x230
[ 255.869919][ T5555] kobject_add_internal+0x662/0xd00
[ 255.875237][ T5555] kobject_init_and_add+0x122/0x190
[ 255.880536][ T5555] ? lockdep_softirqs_off+0x420/0x420
[ 255.885962][ T5555] ? kobject_add+0x210/0x210
[ 255.890543][ T5555] ? __init_swait_queue_head+0xa5/0x150
[ 255.896324][ T5555] gfs2_sys_fs_add+0x234/0x480
[ 255.901077][ T5555] ? gfs2_recover_set+0x240/0x240
[ 255.906131][ T5555] ? snprintf+0xd7/0x120
[ 255.910403][ T5555] ? __free_pages+0x95/0x1a0
[ 255.915494][ T5555] ? vscnprintf+0x80/0x80
[ 255.919810][ T5555] gfs2_fill_super+0x128d/0x1f50
[ 255.924747][ T5555] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.929768][ T5555] ? preempt_count_add+0x8d/0x190
[ 255.934881][ T5555] ? sb_set_blocksize+0xa5/0xe0
[ 255.939729][ T5555] get_tree_bdev+0x3f1/0x610
[ 255.944413][ T5555] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.949527][ T5555] gfs2_get_tree+0x4d/0x1e0
[ 255.954061][ T5555] vfs_get_tree+0x88/0x270
[ 255.958487][ T5555] do_new_mount+0x24a/0xa40
[ 255.963075][ T5555] __se_sys_mount+0x2d6/0x3c0
[ 255.967739][ T5555] ? __x64_sys_mount+0xc0/0xc0
[ 255.973271][ T5555] ? lockdep_hardirqs_on+0x94/0x140
[ 255.978450][ T5555] ? __x64_sys_mount+0x1c/0xc0
[ 255.983468][ T5555] do_syscall_64+0x4c/0xa0
[ 255.987867][ T5555] ? clear_bhb_loop+0x30/0x80
[ 255.992522][ T5555] ? clear_bhb_loop+0x30/0x80
[ 255.997178][ T5555] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.003052][ T5555] RIP: 0033:0x7fa0bfeb990a
[ 256.007632][ T5555] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 256.027222][ T5555] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.035796][ T5555] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 256.043749][ T5555] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 256.051702][ T5555] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 256.059655][ T5555] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 256.067632][ T5555] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 256.075600][ T5555]
[ 256.080145][ T5555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.093770][ T5555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.415618][ T5557] loop1: detected capacity change from 0 to 32768
[ 256.471638][ T5557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.479039][ T5557] CPU: 1 PID: 5557 Comm: syz.1.223 Not tainted syzkaller #0
[ 256.486327][ T5557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 256.496577][ T5557] Call Trace:
[ 256.499954][ T5557]
[ 256.502891][ T5557] dump_stack_lvl+0x168/0x230
[ 256.507585][ T5557] ? show_regs_print_info+0x20/0x20
[ 256.512795][ T5557] ? load_image+0x3b0/0x3b0
[ 256.517361][ T5557] sysfs_create_dir_ns+0x252/0x280
[ 256.522497][ T5557] ? __lock_acquire+0x7c60/0x7c60
[ 256.527704][ T5557] ? sysfs_warn_dup+0xa0/0xa0
[ 256.532483][ T5557] ? do_raw_spin_unlock+0x11d/0x230
[ 256.537864][ T5557] kobject_add_internal+0x662/0xd00
[ 256.543077][ T5557] kobject_init_and_add+0x122/0x190
[ 256.548374][ T5557] ? lockdep_softirqs_off+0x420/0x420
[ 256.553756][ T5557] ? kobject_add+0x210/0x210
[ 256.558370][ T5557] ? __init_swait_queue_head+0xa5/0x150
[ 256.563903][ T5557] gfs2_sys_fs_add+0x234/0x480
[ 256.568653][ T5557] ? gfs2_recover_set+0x240/0x240
[ 256.573662][ T5557] ? snprintf+0xd7/0x120
[ 256.577883][ T5557] ? __free_pages+0x95/0x1a0
[ 256.582472][ T5557] ? vscnprintf+0x80/0x80
[ 256.586785][ T5557] gfs2_fill_super+0x128d/0x1f50
[ 256.591712][ T5557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.596720][ T5557] ? preempt_count_add+0x8d/0x190
[ 256.601735][ T5557] ? sb_set_blocksize+0xa5/0xe0
[ 256.606578][ T5557] get_tree_bdev+0x3f1/0x610
[ 256.611147][ T5557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.616259][ T5557] gfs2_get_tree+0x4d/0x1e0
[ 256.620829][ T5557] vfs_get_tree+0x88/0x270
[ 256.625317][ T5557] do_new_mount+0x24a/0xa40
[ 256.629801][ T5557] __se_sys_mount+0x2d6/0x3c0
[ 256.634452][ T5557] ? __x64_sys_mount+0xc0/0xc0
[ 256.639207][ T5557] ? lockdep_hardirqs_on+0x94/0x140
[ 256.644757][ T5557] ? __x64_sys_mount+0x1c/0xc0
[ 256.649793][ T5557] do_syscall_64+0x4c/0xa0
[ 256.654215][ T5557] ? clear_bhb_loop+0x30/0x80
[ 256.658930][ T5557] ? clear_bhb_loop+0x30/0x80
[ 256.663592][ T5557] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.669467][ T5557] RIP: 0033:0x7fa0bfeb990a
[ 256.673949][ T5557] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 256.693871][ T5557] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.702283][ T5557] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 256.710412][ T5557] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 256.718474][ T5557] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 256.726459][ T5557] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 256.734423][ T5557] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 256.742572][ T5557]
[ 256.746976][ T5557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.760419][ T5557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.114377][ T5559] loop1: detected capacity change from 0 to 32768
[ 257.192898][ T5559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.200579][ T5559] CPU: 0 PID: 5559 Comm: syz.1.224 Not tainted syzkaller #0
[ 257.208316][ T5559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 257.218461][ T5559] Call Trace:
[ 257.221789][ T5559]
[ 257.224737][ T5559] dump_stack_lvl+0x168/0x230
[ 257.229435][ T5559] ? show_regs_print_info+0x20/0x20
[ 257.234649][ T5559] ? load_image+0x3b0/0x3b0
[ 257.239306][ T5559] sysfs_create_dir_ns+0x252/0x280
[ 257.244439][ T5559] ? __lock_acquire+0x7c60/0x7c60
[ 257.249467][ T5559] ? sysfs_warn_dup+0xa0/0xa0
[ 257.254232][ T5559] ? do_raw_spin_unlock+0x11d/0x230
[ 257.259446][ T5559] kobject_add_internal+0x662/0xd00
[ 257.264769][ T5559] kobject_init_and_add+0x122/0x190
[ 257.269967][ T5559] ? lockdep_softirqs_off+0x420/0x420
[ 257.275601][ T5559] ? kobject_add+0x210/0x210
[ 257.280185][ T5559] ? __init_swait_queue_head+0xa5/0x150
[ 257.285720][ T5559] gfs2_sys_fs_add+0x234/0x480
[ 257.290474][ T5559] ? gfs2_recover_set+0x240/0x240
[ 257.295583][ T5559] ? snprintf+0xd7/0x120
[ 257.299810][ T5559] ? __free_pages+0x95/0x1a0
[ 257.304513][ T5559] ? vscnprintf+0x80/0x80
[ 257.308954][ T5559] gfs2_fill_super+0x128d/0x1f50
[ 257.313999][ T5559] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.319014][ T5559] ? preempt_count_add+0x8d/0x190
[ 257.324027][ T5559] ? sb_set_blocksize+0xa5/0xe0
[ 257.328874][ T5559] get_tree_bdev+0x3f1/0x610
[ 257.333459][ T5559] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.338468][ T5559] gfs2_get_tree+0x4d/0x1e0
[ 257.342951][ T5559] vfs_get_tree+0x88/0x270
[ 257.347363][ T5559] do_new_mount+0x24a/0xa40
[ 257.351859][ T5559] __se_sys_mount+0x2d6/0x3c0
[ 257.356703][ T5559] ? __x64_sys_mount+0xc0/0xc0
[ 257.361570][ T5559] ? lockdep_hardirqs_on+0x94/0x140
[ 257.366759][ T5559] ? __x64_sys_mount+0x1c/0xc0
[ 257.371516][ T5559] do_syscall_64+0x4c/0xa0
[ 257.375919][ T5559] ? clear_bhb_loop+0x30/0x80
[ 257.380582][ T5559] ? clear_bhb_loop+0x30/0x80
[ 257.385246][ T5559] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.391140][ T5559] RIP: 0033:0x7fa0bfeb990a
[ 257.395629][ T5559] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 257.415441][ T5559] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.423928][ T5559] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 257.431885][ T5559] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 257.439859][ T5559] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 257.448104][ T5559] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 257.456209][ T5559] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 257.464180][ T5559]
[ 257.473183][ T5559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.486858][ T5559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.788024][ T5561] loop1: detected capacity change from 0 to 32768
[ 257.833521][ T5561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.841602][ T5561] CPU: 1 PID: 5561 Comm: syz.1.225 Not tainted syzkaller #0
[ 257.848907][ T5561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 257.859009][ T5561] Call Trace:
[ 257.862303][ T5561]
[ 257.865242][ T5561] dump_stack_lvl+0x168/0x230
[ 257.870141][ T5561] ? show_regs_print_info+0x20/0x20
[ 257.875351][ T5561] ? load_image+0x3b0/0x3b0
[ 257.879874][ T5561] sysfs_create_dir_ns+0x252/0x280
[ 257.884994][ T5561] ? __lock_acquire+0x7c60/0x7c60
[ 257.890035][ T5561] ? sysfs_warn_dup+0xa0/0xa0
[ 257.894902][ T5561] ? do_raw_spin_unlock+0x11d/0x230
[ 257.900117][ T5561] kobject_add_internal+0x662/0xd00
[ 257.905532][ T5561] kobject_init_and_add+0x122/0x190
[ 257.910743][ T5561] ? lockdep_softirqs_off+0x420/0x420
[ 257.916256][ T5561] ? kobject_add+0x210/0x210
[ 257.920859][ T5561] ? __init_swait_queue_head+0xa5/0x150
[ 257.926422][ T5561] gfs2_sys_fs_add+0x234/0x480
[ 257.931307][ T5561] ? gfs2_recover_set+0x240/0x240
[ 257.936320][ T5561] ? snprintf+0xd7/0x120
[ 257.940565][ T5561] ? __free_pages+0x95/0x1a0
[ 257.945173][ T5561] ? vscnprintf+0x80/0x80
[ 257.949509][ T5561] gfs2_fill_super+0x128d/0x1f50
[ 257.954459][ T5561] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.959489][ T5561] ? preempt_count_add+0x8d/0x190
[ 257.964503][ T5561] ? sb_set_blocksize+0xa5/0xe0
[ 257.969345][ T5561] get_tree_bdev+0x3f1/0x610
[ 257.973960][ T5561] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.978983][ T5561] gfs2_get_tree+0x4d/0x1e0
[ 257.983481][ T5561] vfs_get_tree+0x88/0x270
[ 257.988019][ T5561] do_new_mount+0x24a/0xa40
[ 257.992612][ T5561] __se_sys_mount+0x2d6/0x3c0
[ 257.997387][ T5561] ? __x64_sys_mount+0xc0/0xc0
[ 258.002157][ T5561] ? lockdep_hardirqs_on+0x94/0x140
[ 258.007371][ T5561] ? __x64_sys_mount+0x1c/0xc0
[ 258.012123][ T5561] do_syscall_64+0x4c/0xa0
[ 258.016533][ T5561] ? clear_bhb_loop+0x30/0x80
[ 258.021294][ T5561] ? clear_bhb_loop+0x30/0x80
[ 258.026086][ T5561] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.031993][ T5561] RIP: 0033:0x7fa0bfeb990a
[ 258.036771][ T5561] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 258.056483][ T5561] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.064973][ T5561] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 258.072948][ T5561] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 258.080914][ T5561] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 258.088896][ T5561] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 258.096951][ T5561] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 258.105018][ T5561]
[ 258.109543][ T5561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.123651][ T5561] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/13 10:19:55 executed programs: 212
[ 258.422891][ T5563] loop1: detected capacity change from 0 to 32768
[ 258.490165][ T5563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.497737][ T5563] CPU: 0 PID: 5563 Comm: syz.1.226 Not tainted syzkaller #0
[ 258.505140][ T5563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 258.515290][ T5563] Call Trace:
[ 258.518576][ T5563]
[ 258.521524][ T5563] dump_stack_lvl+0x168/0x230
[ 258.526259][ T5563] ? show_regs_print_info+0x20/0x20
[ 258.531466][ T5563] ? load_image+0x3b0/0x3b0
[ 258.535996][ T5563] sysfs_create_dir_ns+0x252/0x280
[ 258.541195][ T5563] ? __lock_acquire+0x7c60/0x7c60
[ 258.546230][ T5563] ? sysfs_warn_dup+0xa0/0xa0
[ 258.550918][ T5563] ? do_raw_spin_unlock+0x11d/0x230
[ 258.556118][ T5563] kobject_add_internal+0x662/0xd00
[ 258.561360][ T5563] kobject_init_and_add+0x122/0x190
[ 258.566563][ T5563] ? lockdep_softirqs_off+0x420/0x420
[ 258.571947][ T5563] ? kobject_add+0x210/0x210
[ 258.576551][ T5563] ? __init_swait_queue_head+0xa5/0x150
[ 258.582226][ T5563] gfs2_sys_fs_add+0x234/0x480
[ 258.587260][ T5563] ? gfs2_recover_set+0x240/0x240
[ 258.592265][ T5563] ? snprintf+0xd7/0x120
[ 258.596603][ T5563] ? __free_pages+0x95/0x1a0
[ 258.601251][ T5563] ? vscnprintf+0x80/0x80
[ 258.605669][ T5563] gfs2_fill_super+0x128d/0x1f50
[ 258.610597][ T5563] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.615600][ T5563] ? preempt_count_add+0x8d/0x190
[ 258.620699][ T5563] ? sb_set_blocksize+0xa5/0xe0
[ 258.625538][ T5563] get_tree_bdev+0x3f1/0x610
[ 258.630119][ T5563] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.635216][ T5563] gfs2_get_tree+0x4d/0x1e0
[ 258.639703][ T5563] vfs_get_tree+0x88/0x270
[ 258.644099][ T5563] do_new_mount+0x24a/0xa40
[ 258.648596][ T5563] __se_sys_mount+0x2d6/0x3c0
[ 258.653274][ T5563] ? __x64_sys_mount+0xc0/0xc0
[ 258.658028][ T5563] ? lockdep_hardirqs_on+0x94/0x140
[ 258.663568][ T5563] ? __x64_sys_mount+0x1c/0xc0
[ 258.668323][ T5563] do_syscall_64+0x4c/0xa0
[ 258.672732][ T5563] ? clear_bhb_loop+0x30/0x80
[ 258.677537][ T5563] ? clear_bhb_loop+0x30/0x80
[ 258.682215][ T5563] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.688182][ T5563] RIP: 0033:0x7fa0bfeb990a
[ 258.692586][ T5563] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 258.712570][ T5563] RSP: 002b:00007fa0bf128e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.720974][ T5563] RAX: ffffffffffffffda RBX: 00007fa0bf128ef0 RCX: 00007fa0bfeb990a
[ 258.729086][ T5563] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fa0bf128eb0
[ 258.737103][ T5563] RBP: 0000200000000280 R08: 00007fa0bf128ef0 R09: 0000000000008c1b
[ 258.745064][ T5563] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[ 258.753110][ T5563] R13: 00007fa0bf128eb0 R14: 00000000000127f8 R15: 00002000000004c0
[ 258.761219][ T5563]
[ 258.770433][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.784155][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.851195][ T27] INFO: task syz-executor:4850 blocked for more than 143 seconds.
[ 258.867656][ T27] Not tainted syzkaller #0
[ 258.872768][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 258.889843][ T27] task:syz-executor state:D stack:21824 pid: 4850 ppid: 1 flags:0x00004004
[ 258.899144][ T27] Call Trace:
[ 258.902696][ T27]
[ 258.905669][ T27] __schedule+0x11bb/0x4390
[ 258.910186][ T27] ? _raw_spin_lock_irqsave+0x7f/0xf0
[ 258.917676][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 258.939207][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 258.945645][ T27] ? _raw_spin_unlock+0x40/0x40
[ 258.950608][ T27] ? rcu_is_watching+0x11/0xa0
[ 258.955472][ T27] ? release_firmware_map_entry+0x190/0x190
[ 258.961416][ T27] schedule+0x11b/0x1e0
[ 258.965590][ T27] schedule_timeout+0x15c/0x280
[ 258.970538][ T27] ? console_conditional_schedule+0x40/0x40
[ 258.976523][ T27] ? update_process_times+0x200/0x200
[ 258.981943][ T27] ? prepare_to_wait_event+0x42c/0x460
[ 258.987521][ T27] gfs2_gl_hash_clear+0x1a4/0x2f0
[ 258.992622][ T27] ? thaw_glock+0x150/0x150
[ 258.997257][ T27] ? gfs2_jindex_free+0x39b/0x400
[ 259.003151][ T27] ? init_wait_entry+0xd0/0xd0
[ 259.007943][ T27] ? gfs2_setbit+0x5a0/0x5a0
[ 259.012948][ T27] gfs2_put_super+0x769/0x7d0
[ 259.017671][ T27] ? gfs2_evict_inode+0x11f0/0x11f0
[ 259.023314][ T27] generic_shutdown_super+0x130/0x300
[ 259.028794][ T27] kill_block_super+0x7c/0xe0
[ 259.033907][ T27] deactivate_locked_super+0x93/0xf0
[ 259.039209][ T27] cleanup_mnt+0x418/0x4d0
[ 259.045058][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 259.050279][ T27] task_work_run+0x125/0x1a0
[ 259.055200][ T27] exit_to_user_mode_loop+0x10f/0x130
[ 259.060591][ T27] exit_to_user_mode_prepare+0xee/0x180
[ 259.066508][ T27] syscall_exit_to_user_mode+0x16/0x40
[ 259.072226][ T27] do_syscall_64+0x58/0xa0
[ 259.076656][ T27] ? clear_bhb_loop+0x30/0x80
[ 259.081700][ T27] ? clear_bhb_loop+0x30/0x80
[ 259.086391][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.092672][ T27] RIP: 0033:0x7fec8391e497
[ 259.097099][ T27] RSP: 002b:00007ffe7af3d598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 259.105978][ T27] RAX: 0000000000000000 RBX: 00007fec8399e77c RCX: 00007fec8391e497
[ 259.114357][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe7af3d650
[ 259.122798][ T27] RBP: 00007ffe7af3d650 R08: 0000000000000000 R09: 0000000000000000
[ 259.130789][ T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe7af3e6e0
[ 259.139245][ T27] R13: 00007fec8399e77c R14: 000000000001907d R15: 00007ffe7af3e720
[ 259.148054][ T27]
[ 259.153990][ T27]
[ 259.153990][ T27] Showing all locks held in the system:
[ 259.162189][ T27] 1 lock held by khungtaskd/27:
[ 259.167044][ T27] #0: ffffffff8c11c660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 259.179461][ T27] 2 locks held by getty/3951:
[ 259.185629][ T27] #0: ffff88802ab08098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 259.197844][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 259.208224][ T27] 1 lock held by syz-executor/4850:
[ 259.211706][ T5565] loop1: detected capacity change from 0 to 32768
[ 259.215804][ T27] #0: ffff888025b540e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[ 259.230091][ T27] 1 lock held by syz-executor/5114:
[ 259.235555][ T27] #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 259.245634][ T27] 1 lock held by udevd/5117:
[ 259.250707][ T27] #0: ffff888020b60518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[ 259.261725][ T27] 2 locks held by syz.1.227/5565:
[ 259.267206][ T27] #0: ffff888020b60518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 259.276817][ T27] #1: ffff888147323468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 259.286150][ T27]
[ 259.288529][ T27] =============================================
[ 259.288529][ T27]
[ 259.297787][ T27] NMI backtrace for cpu 1
[ 259.302304][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 259.309489][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 259.319627][ T27] Call Trace:
[ 259.322892][ T27]
[ 259.325804][ T27] dump_stack_lvl+0x168/0x230
[ 259.330467][ T27] ? show_regs_print_info+0x20/0x20
[ 259.335646][ T27] ? load_image+0x3b0/0x3b0
[ 259.340165][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 259.345520][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 259.351059][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 259.356253][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 259.362391][ T27] ? _printk+0xcc/0x110
[ 259.366527][ T27] ? load_image+0x3b0/0x3b0
[ 259.371019][ T27] ? load_image+0x3b0/0x3b0
[ 259.375515][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 259.381564][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 259.387526][ T27] watchdog+0xe0f/0xe50
[ 259.391667][ T27] kthread+0x436/0x520
[ 259.395712][ T27] ? hungtask_pm_notify+0x40/0x40
[ 259.400719][ T27] ? kthread_blkcg+0xd0/0xd0
[ 259.405391][ T27] ret_from_fork+0x1f/0x30
[ 259.409797][ T27]
[ 259.413188][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 259.418421][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 259.419867][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 259.434811][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 259.442049][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 259.452271][ T27] Call Trace:
[ 259.455555][ T27]
[ 259.458472][ T27] dump_stack_lvl+0x168/0x230
[ 259.463252][ T27] ? show_regs_print_info+0x20/0x20
[ 259.468550][ T27] ? load_image+0x3b0/0x3b0
[ 259.473139][ T27] panic+0x2c9/0x7f0
[ 259.477037][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 259.482674][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 259.487176][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 259.493334][ T27] watchdog+0xe4e/0xe50
[ 259.497563][ T27] kthread+0x436/0x520
[ 259.501707][ T27] ? hungtask_pm_notify+0x40/0x40
[ 259.506709][ T27] ? kthread_blkcg+0xd0/0xd0
[ 259.511409][ T27] ret_from_fork+0x1f/0x30
[ 259.515911][ T27]
[ 259.519189][ T27] Kernel Offset: disabled
[ 259.523504][ T27] Rebooting in 86400 seconds..