_raw_spin_unlock+0x11d/0x230
[ 194.608198][ T4507] kobject_add_internal+0x662/0xd00
[ 194.613519][ T4507] kobject_init_and_add+0x122/0x190
[ 194.618911][ T4507] ? lockdep_softirqs_off+0x420/0x420
[ 194.624362][ T4507] ? kobject_add+0x210/0x210
[ 194.628979][ T4507] ? __init_swait_queue_head+0xa5/0x150
[ 194.634553][ T4507] gfs2_sys_fs_add+0x234/0x480
[ 194.639360][ T4507] ? gfs2_recover_set+0x240/0x240
[ 194.644392][ T4507] ? snprintf+0xd7/0x120
[ 194.648636][ T4507] ? __free_pages+0x95/0x1a0
[ 194.653222][ T4507] ? vscnprintf+0x80/0x80
[ 194.657566][ T4507] gfs2_fill_super+0x128d/0x1f50
[ 194.662500][ T4507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 194.667513][ T4507] ? preempt_count_add+0x8d/0x190
[ 194.672546][ T4507] ? sb_set_blocksize+0xa5/0xe0
[ 194.677409][ T4507] get_tree_bdev+0x3f1/0x610
[ 194.681988][ T4507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 194.686998][ T4507] gfs2_get_tree+0x4d/0x1e0
[ 194.691679][ T4507] vfs_get_tree+0x88/0x270
[ 194.696106][ T4507] do_new_mount+0x24a/0xa40
[ 194.700598][ T4507] __se_sys_mount+0x2d6/0x3c0
[ 194.705280][ T4507] ? __x64_sys_mount+0xc0/0xc0
[ 194.710046][ T4507] ? lockdep_hardirqs_on+0x94/0x140
[ 194.715231][ T4507] ? __x64_sys_mount+0x1c/0xc0
[ 194.719986][ T4507] do_syscall_64+0x4c/0xa0
[ 194.724407][ T4507] ? clear_bhb_loop+0x30/0x80
[ 194.729194][ T4507] ? clear_bhb_loop+0x30/0x80
[ 194.733864][ T4507] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 194.739761][ T4507] RIP: 0033:0x7f2bad80a38a
[ 194.744164][ T4507] 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
[ 194.763959][ T4507] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 194.772377][ T4507] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 194.780370][ T4507] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 194.788340][ T4507] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 194.796308][ T4507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 194.804275][ T4507] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 194.812268][ T4507]
[ 194.816762][ T4507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 194.829949][ T4507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 195.176567][ T4508] loop1: detected capacity change from 0 to 32768
[ 195.195898][ T4508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 195.203835][ T4508] CPU: 1 PID: 4508 Comm: syz.1.169 Not tainted 5.15.189-syzkaller #0
[ 195.211934][ T4508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 195.222016][ T4508] Call Trace:
[ 195.225527][ T4508]
[ 195.228477][ T4508] dump_stack_lvl+0x168/0x230
[ 195.233181][ T4508] ? show_regs_print_info+0x20/0x20
[ 195.238446][ T4508] ? load_image+0x3b0/0x3b0
[ 195.242994][ T4508] sysfs_create_dir_ns+0x252/0x280
[ 195.248138][ T4508] ? __lock_acquire+0x7c60/0x7c60
[ 195.253195][ T4508] ? sysfs_warn_dup+0xa0/0xa0
[ 195.257900][ T4508] ? do_raw_spin_unlock+0x11d/0x230
[ 195.263126][ T4508] kobject_add_internal+0x662/0xd00
[ 195.268444][ T4508] kobject_init_and_add+0x122/0x190
[ 195.273662][ T4508] ? lockdep_softirqs_off+0x420/0x420
[ 195.279147][ T4508] ? kobject_add+0x210/0x210
[ 195.283735][ T4508] ? __init_swait_queue_head+0xa5/0x150
[ 195.289277][ T4508] gfs2_sys_fs_add+0x234/0x480
[ 195.294036][ T4508] ? gfs2_recover_set+0x240/0x240
[ 195.299061][ T4508] ? snprintf+0xd7/0x120
[ 195.303315][ T4508] ? __free_pages+0x95/0x1a0
[ 195.307906][ T4508] ? vscnprintf+0x80/0x80
[ 195.312255][ T4508] gfs2_fill_super+0x128d/0x1f50
[ 195.317331][ T4508] ? gfs2_reconfigure+0xcd0/0xcd0
[ 195.322385][ T4508] ? preempt_count_add+0x8d/0x190
[ 195.327409][ T4508] ? sb_set_blocksize+0xa5/0xe0
[ 195.332254][ T4508] get_tree_bdev+0x3f1/0x610
[ 195.336855][ T4508] ? gfs2_reconfigure+0xcd0/0xcd0
[ 195.341877][ T4508] gfs2_get_tree+0x4d/0x1e0
[ 195.346404][ T4508] vfs_get_tree+0x88/0x270
[ 195.350827][ T4508] do_new_mount+0x24a/0xa40
[ 195.355332][ T4508] __se_sys_mount+0x2d6/0x3c0
[ 195.360175][ T4508] ? __x64_sys_mount+0xc0/0xc0
[ 195.364948][ T4508] ? lockdep_hardirqs_on+0x94/0x140
[ 195.370147][ T4508] ? __x64_sys_mount+0x1c/0xc0
[ 195.374908][ T4508] do_syscall_64+0x4c/0xa0
[ 195.379321][ T4508] ? clear_bhb_loop+0x30/0x80
[ 195.383991][ T4508] ? clear_bhb_loop+0x30/0x80
[ 195.388676][ T4508] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 195.394560][ T4508] RIP: 0033:0x7f2bad80a38a
[ 195.398968][ T4508] 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
[ 195.418652][ T4508] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 195.427065][ T4508] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 195.435049][ T4508] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 195.443030][ T4508] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 195.451017][ T4508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 195.459180][ T4508] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 195.467174][ T4508]
[ 195.471613][ T4508] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 195.484991][ T4508] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 195.853054][ T4509] loop1: detected capacity change from 0 to 32768
[ 195.955381][ T4509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 195.963013][ T4509] CPU: 1 PID: 4509 Comm: syz.1.170 Not tainted 5.15.189-syzkaller #0
[ 195.971210][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 195.981288][ T4509] Call Trace:
[ 195.984752][ T4509]
[ 195.987725][ T4509] dump_stack_lvl+0x168/0x230
[ 195.992652][ T4509] ? show_regs_print_info+0x20/0x20
[ 195.997891][ T4509] ? load_image+0x3b0/0x3b0
[ 196.002433][ T4509] sysfs_create_dir_ns+0x252/0x280
[ 196.007579][ T4509] ? __lock_acquire+0x7c60/0x7c60
[ 196.012639][ T4509] ? sysfs_warn_dup+0xa0/0xa0
[ 196.017352][ T4509] ? do_raw_spin_unlock+0x11d/0x230
[ 196.022611][ T4509] kobject_add_internal+0x662/0xd00
[ 196.027814][ T4509] kobject_init_and_add+0x122/0x190
[ 196.033018][ T4509] ? lockdep_softirqs_off+0x420/0x420
[ 196.038508][ T4509] ? kobject_add+0x210/0x210
[ 196.043118][ T4509] ? __init_swait_queue_head+0xa5/0x150
[ 196.048684][ T4509] gfs2_sys_fs_add+0x234/0x480
[ 196.053470][ T4509] ? gfs2_recover_set+0x240/0x240
[ 196.058488][ T4509] ? snprintf+0xd7/0x120
[ 196.062736][ T4509] ? __free_pages+0x95/0x1a0
[ 196.067315][ T4509] ? vscnprintf+0x80/0x80
[ 196.071660][ T4509] gfs2_fill_super+0x128d/0x1f50
[ 196.076604][ T4509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 196.081617][ T4509] ? preempt_count_add+0x8d/0x190
[ 196.086651][ T4509] ? sb_set_blocksize+0xa5/0xe0
[ 196.091489][ T4509] get_tree_bdev+0x3f1/0x610
[ 196.096074][ T4509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 196.101102][ T4509] gfs2_get_tree+0x4d/0x1e0
[ 196.105692][ T4509] vfs_get_tree+0x88/0x270
[ 196.110097][ T4509] do_new_mount+0x24a/0xa40
[ 196.114589][ T4509] __se_sys_mount+0x2d6/0x3c0
[ 196.119256][ T4509] ? __x64_sys_mount+0xc0/0xc0
[ 196.124009][ T4509] ? lockdep_hardirqs_on+0x94/0x140
[ 196.129212][ T4509] ? __x64_sys_mount+0x1c/0xc0
[ 196.133971][ T4509] do_syscall_64+0x4c/0xa0
[ 196.138376][ T4509] ? clear_bhb_loop+0x30/0x80
[ 196.143060][ T4509] ? clear_bhb_loop+0x30/0x80
[ 196.147738][ T4509] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 196.153619][ T4509] RIP: 0033:0x7f2bad80a38a
[ 196.158023][ T4509] 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
[ 196.177618][ T4509] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 196.186027][ T4509] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 196.193990][ T4509] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 196.201950][ T4509] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 196.209910][ T4509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 196.217867][ T4509] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 196.225927][ T4509]
[ 196.230958][ T4509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 196.244528][ T4509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 196.599816][ T4510] loop1: detected capacity change from 0 to 32768
[ 196.659138][ T4510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 196.666825][ T4510] CPU: 1 PID: 4510 Comm: syz.1.171 Not tainted 5.15.189-syzkaller #0
[ 196.674947][ T4510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 196.685136][ T4510] Call Trace:
[ 196.688446][ T4510]
[ 196.691398][ T4510] dump_stack_lvl+0x168/0x230
[ 196.696107][ T4510] ? show_regs_print_info+0x20/0x20
[ 196.701329][ T4510] ? load_image+0x3b0/0x3b0
[ 196.705865][ T4510] sysfs_create_dir_ns+0x252/0x280
[ 196.711012][ T4510] ? __lock_acquire+0x7c60/0x7c60
[ 196.716065][ T4510] ? sysfs_warn_dup+0xa0/0xa0
[ 196.720778][ T4510] ? do_raw_spin_unlock+0x11d/0x230
[ 196.726013][ T4510] kobject_add_internal+0x662/0xd00
[ 196.731243][ T4510] kobject_init_and_add+0x122/0x190
[ 196.736468][ T4510] ? lockdep_softirqs_off+0x420/0x420
[ 196.741874][ T4510] ? kobject_add+0x210/0x210
[ 196.746485][ T4510] ? __init_swait_queue_head+0xa5/0x150
[ 196.752222][ T4510] gfs2_sys_fs_add+0x234/0x480
[ 196.757069][ T4510] ? gfs2_recover_set+0x240/0x240
[ 196.762264][ T4510] ? snprintf+0xd7/0x120
[ 196.766513][ T4510] ? __free_pages+0x95/0x1a0
[ 196.771237][ T4510] ? vscnprintf+0x80/0x80
[ 196.775577][ T4510] gfs2_fill_super+0x128d/0x1f50
[ 196.780520][ T4510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 196.785542][ T4510] ? preempt_count_add+0x8d/0x190
[ 196.790586][ T4510] ? sb_set_blocksize+0xa5/0xe0
[ 196.795593][ T4510] get_tree_bdev+0x3f1/0x610
[ 196.800175][ T4510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 196.805372][ T4510] gfs2_get_tree+0x4d/0x1e0
[ 196.809867][ T4510] vfs_get_tree+0x88/0x270
[ 196.814296][ T4510] do_new_mount+0x24a/0xa40
[ 196.818830][ T4510] __se_sys_mount+0x2d6/0x3c0
[ 196.823500][ T4510] ? __x64_sys_mount+0xc0/0xc0
[ 196.828260][ T4510] ? lockdep_hardirqs_on+0x94/0x140
[ 196.833459][ T4510] ? __x64_sys_mount+0x1c/0xc0
[ 196.838209][ T4510] do_syscall_64+0x4c/0xa0
[ 196.842619][ T4510] ? clear_bhb_loop+0x30/0x80
[ 196.847283][ T4510] ? clear_bhb_loop+0x30/0x80
[ 196.852037][ T4510] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 196.858042][ T4510] RIP: 0033:0x7f2bad80a38a
[ 196.862464][ T4510] 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
[ 196.882232][ T4510] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 196.890634][ T4510] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 196.898857][ T4510] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 196.906820][ T4510] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 196.914821][ T4510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 196.922820][ T4510] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 196.931226][ T4510]
[ 196.935578][ T4510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 196.948914][ T4510] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 13:42:21 executed programs: 157
[ 197.284953][ T4511] loop1: detected capacity change from 0 to 32768
[ 197.303612][ T4511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 197.311049][ T4511] CPU: 1 PID: 4511 Comm: syz.1.172 Not tainted 5.15.189-syzkaller #0
[ 197.319155][ T4511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 197.329237][ T4511] Call Trace:
[ 197.332543][ T4511]
[ 197.335489][ T4511] dump_stack_lvl+0x168/0x230
[ 197.340195][ T4511] ? show_regs_print_info+0x20/0x20
[ 197.345423][ T4511] ? load_image+0x3b0/0x3b0
[ 197.349969][ T4511] sysfs_create_dir_ns+0x252/0x280
[ 197.355115][ T4511] ? __lock_acquire+0x7c60/0x7c60
[ 197.360170][ T4511] ? sysfs_warn_dup+0xa0/0xa0
[ 197.364878][ T4511] ? do_raw_spin_unlock+0x11d/0x230
[ 197.370106][ T4511] kobject_add_internal+0x662/0xd00
[ 197.375337][ T4511] kobject_init_and_add+0x122/0x190
[ 197.380559][ T4511] ? lockdep_softirqs_off+0x420/0x420
[ 197.386052][ T4511] ? kobject_add+0x210/0x210
[ 197.390700][ T4511] ? __init_swait_queue_head+0xa5/0x150
[ 197.396268][ T4511] gfs2_sys_fs_add+0x234/0x480
[ 197.401031][ T4511] ? gfs2_recover_set+0x240/0x240
[ 197.406063][ T4511] ? snprintf+0xd7/0x120
[ 197.410296][ T4511] ? __free_pages+0x95/0x1a0
[ 197.414892][ T4511] ? vscnprintf+0x80/0x80
[ 197.419227][ T4511] gfs2_fill_super+0x128d/0x1f50
[ 197.424178][ T4511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 197.429214][ T4511] ? preempt_count_add+0x8d/0x190
[ 197.434244][ T4511] ? sb_set_blocksize+0xa5/0xe0
[ 197.439263][ T4511] get_tree_bdev+0x3f1/0x610
[ 197.443975][ T4511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 197.449010][ T4511] gfs2_get_tree+0x4d/0x1e0
[ 197.453510][ T4511] vfs_get_tree+0x88/0x270
[ 197.457922][ T4511] do_new_mount+0x24a/0xa40
[ 197.462957][ T4511] __se_sys_mount+0x2d6/0x3c0
[ 197.467935][ T4511] ? __x64_sys_mount+0xc0/0xc0
[ 197.472712][ T4511] ? lockdep_hardirqs_on+0x94/0x140
[ 197.477906][ T4511] ? __x64_sys_mount+0x1c/0xc0
[ 197.482683][ T4511] do_syscall_64+0x4c/0xa0
[ 197.487095][ T4511] ? clear_bhb_loop+0x30/0x80
[ 197.491778][ T4511] ? clear_bhb_loop+0x30/0x80
[ 197.496468][ T4511] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 197.502358][ T4511] RIP: 0033:0x7f2bad80a38a
[ 197.506781][ T4511] 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
[ 197.526381][ T4511] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 197.534797][ T4511] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 197.542764][ T4511] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 197.550739][ T4511] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 197.558732][ T4511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 197.566738][ T4511] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 197.574736][ T4511]
[ 197.578898][ T4511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 197.592089][ T4511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 197.940081][ T4512] loop1: detected capacity change from 0 to 32768
[ 197.975748][ T4512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 197.984291][ T4512] CPU: 0 PID: 4512 Comm: syz.1.173 Not tainted 5.15.189-syzkaller #0
[ 197.992409][ T4512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 198.002677][ T4512] Call Trace:
[ 198.005985][ T4512]
[ 198.009008][ T4512] dump_stack_lvl+0x168/0x230
[ 198.013730][ T4512] ? show_regs_print_info+0x20/0x20
[ 198.018962][ T4512] ? load_image+0x3b0/0x3b0
[ 198.023681][ T4512] sysfs_create_dir_ns+0x252/0x280
[ 198.028824][ T4512] ? __lock_acquire+0x7c60/0x7c60
[ 198.033879][ T4512] ? sysfs_warn_dup+0xa0/0xa0
[ 198.038593][ T4512] ? do_raw_spin_unlock+0x11d/0x230
[ 198.043827][ T4512] kobject_add_internal+0x662/0xd00
[ 198.049246][ T4512] kobject_init_and_add+0x122/0x190
[ 198.054469][ T4512] ? lockdep_softirqs_off+0x420/0x420
[ 198.059890][ T4512] ? kobject_add+0x210/0x210
[ 198.064521][ T4512] ? __init_swait_queue_head+0xa5/0x150
[ 198.070105][ T4512] gfs2_sys_fs_add+0x234/0x480
[ 198.074994][ T4512] ? gfs2_recover_set+0x240/0x240
[ 198.080051][ T4512] ? snprintf+0xd7/0x120
[ 198.084330][ T4512] ? __free_pages+0x95/0x1a0
[ 198.088934][ T4512] ? vscnprintf+0x80/0x80
[ 198.093265][ T4512] gfs2_fill_super+0x128d/0x1f50
[ 198.098216][ T4512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.103234][ T4512] ? preempt_count_add+0x8d/0x190
[ 198.108275][ T4512] ? sb_set_blocksize+0xa5/0xe0
[ 198.113117][ T4512] get_tree_bdev+0x3f1/0x610
[ 198.117706][ T4512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.122737][ T4512] gfs2_get_tree+0x4d/0x1e0
[ 198.127259][ T4512] vfs_get_tree+0x88/0x270
[ 198.131674][ T4512] do_new_mount+0x24a/0xa40
[ 198.136192][ T4512] __se_sys_mount+0x2d6/0x3c0
[ 198.140860][ T4512] ? __x64_sys_mount+0xc0/0xc0
[ 198.145622][ T4512] ? lockdep_hardirqs_on+0x94/0x140
[ 198.150830][ T4512] ? __x64_sys_mount+0x1c/0xc0
[ 198.155840][ T4512] do_syscall_64+0x4c/0xa0
[ 198.160254][ T4512] ? clear_bhb_loop+0x30/0x80
[ 198.164917][ T4512] ? clear_bhb_loop+0x30/0x80
[ 198.169583][ T4512] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 198.175472][ T4512] RIP: 0033:0x7f2bad80a38a
[ 198.180150][ T4512] 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
[ 198.199753][ T4512] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 198.208191][ T4512] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 198.216155][ T4512] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 198.224211][ T4512] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 198.232492][ T4512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 198.240563][ T4512] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 198.248538][ T4512]
[ 198.252340][ T4512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 198.265753][ T4512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 198.608340][ T4513] loop1: detected capacity change from 0 to 32768
[ 198.681333][ T4513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 198.688768][ T4513] CPU: 0 PID: 4513 Comm: syz.1.174 Not tainted 5.15.189-syzkaller #0
[ 198.696864][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 198.707311][ T4513] Call Trace:
[ 198.710694][ T4513]
[ 198.713650][ T4513] dump_stack_lvl+0x168/0x230
[ 198.718614][ T4513] ? show_regs_print_info+0x20/0x20
[ 198.723838][ T4513] ? load_image+0x3b0/0x3b0
[ 198.728397][ T4513] sysfs_create_dir_ns+0x252/0x280
[ 198.733537][ T4513] ? __lock_acquire+0x7c60/0x7c60
[ 198.738587][ T4513] ? sysfs_warn_dup+0xa0/0xa0
[ 198.743298][ T4513] ? do_raw_spin_unlock+0x11d/0x230
[ 198.748626][ T4513] kobject_add_internal+0x662/0xd00
[ 198.753945][ T4513] kobject_init_and_add+0x122/0x190
[ 198.759346][ T4513] ? lockdep_softirqs_off+0x420/0x420
[ 198.764738][ T4513] ? kobject_add+0x210/0x210
[ 198.769872][ T4513] ? __init_swait_queue_head+0xa5/0x150
[ 198.775512][ T4513] gfs2_sys_fs_add+0x234/0x480
[ 198.780275][ T4513] ? gfs2_recover_set+0x240/0x240
[ 198.785377][ T4513] ? snprintf+0xd7/0x120
[ 198.789620][ T4513] ? __free_pages+0x95/0x1a0
[ 198.794290][ T4513] ? vscnprintf+0x80/0x80
[ 198.798617][ T4513] gfs2_fill_super+0x128d/0x1f50
[ 198.803563][ T4513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.808585][ T4513] ? preempt_count_add+0x8d/0x190
[ 198.813622][ T4513] ? sb_set_blocksize+0xa5/0xe0
[ 198.818472][ T4513] get_tree_bdev+0x3f1/0x610
[ 198.823067][ T4513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.828093][ T4513] gfs2_get_tree+0x4d/0x1e0
[ 198.832585][ T4513] vfs_get_tree+0x88/0x270
[ 198.837086][ T4513] do_new_mount+0x24a/0xa40
[ 198.841594][ T4513] __se_sys_mount+0x2d6/0x3c0
[ 198.846285][ T4513] ? __x64_sys_mount+0xc0/0xc0
[ 198.851041][ T4513] ? lockdep_hardirqs_on+0x94/0x140
[ 198.856478][ T4513] ? __x64_sys_mount+0x1c/0xc0
[ 198.861343][ T4513] do_syscall_64+0x4c/0xa0
[ 198.865850][ T4513] ? clear_bhb_loop+0x30/0x80
[ 198.870519][ T4513] ? clear_bhb_loop+0x30/0x80
[ 198.875195][ T4513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 198.881103][ T4513] RIP: 0033:0x7f2bad80a38a
[ 198.885537][ T4513] 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
[ 198.905315][ T4513] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 198.913750][ T4513] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 198.922019][ T4513] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 198.930221][ T4513] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 198.938196][ T4513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 198.946268][ T4513] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 198.954244][ T4513]
[ 198.963224][ T4513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 198.976757][ T4513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 199.351678][ T4514] loop1: detected capacity change from 0 to 32768
[ 199.421329][ T4514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 199.428759][ T4514] CPU: 1 PID: 4514 Comm: syz.1.175 Not tainted 5.15.189-syzkaller #0
[ 199.436847][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 199.447181][ T4514] Call Trace:
[ 199.450481][ T4514]
[ 199.453426][ T4514] dump_stack_lvl+0x168/0x230
[ 199.458141][ T4514] ? show_regs_print_info+0x20/0x20
[ 199.463450][ T4514] ? load_image+0x3b0/0x3b0
[ 199.467988][ T4514] sysfs_create_dir_ns+0x252/0x280
[ 199.473118][ T4514] ? __lock_acquire+0x7c60/0x7c60
[ 199.478171][ T4514] ? sysfs_warn_dup+0xa0/0xa0
[ 199.482881][ T4514] ? do_raw_spin_unlock+0x11d/0x230
[ 199.488145][ T4514] kobject_add_internal+0x662/0xd00
[ 199.493374][ T4514] kobject_init_and_add+0x122/0x190
[ 199.498592][ T4514] ? lockdep_softirqs_off+0x420/0x420
[ 199.504108][ T4514] ? kobject_add+0x210/0x210
[ 199.508719][ T4514] ? __init_swait_queue_head+0xa5/0x150
[ 199.514301][ T4514] gfs2_sys_fs_add+0x234/0x480
[ 199.519081][ T4514] ? gfs2_recover_set+0x240/0x240
[ 199.524226][ T4514] ? snprintf+0xd7/0x120
[ 199.528481][ T4514] ? __free_pages+0x95/0x1a0
[ 199.533085][ T4514] ? vscnprintf+0x80/0x80
[ 199.537451][ T4514] gfs2_fill_super+0x128d/0x1f50
[ 199.542509][ T4514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 199.547560][ T4514] ? preempt_count_add+0x8d/0x190
[ 199.552617][ T4514] ? sb_set_blocksize+0xa5/0xe0
[ 199.557501][ T4514] get_tree_bdev+0x3f1/0x610
[ 199.562116][ T4514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 199.567254][ T4514] gfs2_get_tree+0x4d/0x1e0
[ 199.571775][ T4514] vfs_get_tree+0x88/0x270
[ 199.576211][ T4514] do_new_mount+0x24a/0xa40
[ 199.580747][ T4514] __se_sys_mount+0x2d6/0x3c0
[ 199.585441][ T4514] ? __x64_sys_mount+0xc0/0xc0
[ 199.590222][ T4514] ? lockdep_hardirqs_on+0x94/0x140
[ 199.595442][ T4514] ? __x64_sys_mount+0x1c/0xc0
[ 199.600221][ T4514] do_syscall_64+0x4c/0xa0
[ 199.604652][ T4514] ? clear_bhb_loop+0x30/0x80
[ 199.609353][ T4514] ? clear_bhb_loop+0x30/0x80
[ 199.614044][ T4514] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 199.620141][ T4514] RIP: 0033:0x7f2bad80a38a
[ 199.624575][ T4514] 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
[ 199.644298][ T4514] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 199.652739][ T4514] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 199.660741][ T4514] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 199.668739][ T4514] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 199.676737][ T4514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 199.684721][ T4514] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 199.692738][ T4514]
[ 199.704423][ T4514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 199.718242][ T4514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 200.119041][ T4515] loop1: detected capacity change from 0 to 32768
[ 200.131637][ T4515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.139289][ T4515] CPU: 0 PID: 4515 Comm: syz.1.176 Not tainted 5.15.189-syzkaller #0
[ 200.147394][ T4515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 200.157475][ T4515] Call Trace:
[ 200.160773][ T4515]
[ 200.163722][ T4515] dump_stack_lvl+0x168/0x230
[ 200.168426][ T4515] ? show_regs_print_info+0x20/0x20
[ 200.173648][ T4515] ? load_image+0x3b0/0x3b0
[ 200.178182][ T4515] sysfs_create_dir_ns+0x252/0x280
[ 200.183316][ T4515] ? __lock_acquire+0x7c60/0x7c60
[ 200.188332][ T4515] ? sysfs_warn_dup+0xa0/0xa0
[ 200.193007][ T4515] ? do_raw_spin_unlock+0x11d/0x230
[ 200.198199][ T4515] kobject_add_internal+0x662/0xd00
[ 200.203398][ T4515] kobject_init_and_add+0x122/0x190
[ 200.208599][ T4515] ? lockdep_softirqs_off+0x420/0x420
[ 200.213997][ T4515] ? kobject_add+0x210/0x210
[ 200.218590][ T4515] ? __init_swait_queue_head+0xa5/0x150
[ 200.224141][ T4515] gfs2_sys_fs_add+0x234/0x480
[ 200.228898][ T4515] ? gfs2_recover_set+0x240/0x240
[ 200.234103][ T4515] ? snprintf+0xd7/0x120
[ 200.238341][ T4515] ? __free_pages+0x95/0x1a0
[ 200.242922][ T4515] ? vscnprintf+0x80/0x80
[ 200.247244][ T4515] gfs2_fill_super+0x128d/0x1f50
[ 200.252263][ T4515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 200.257291][ T4515] ? preempt_count_add+0x8d/0x190
[ 200.262746][ T4515] ? sb_set_blocksize+0xa5/0xe0
[ 200.267601][ T4515] get_tree_bdev+0x3f1/0x610
[ 200.272194][ T4515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 200.277205][ T4515] gfs2_get_tree+0x4d/0x1e0
[ 200.281701][ T4515] vfs_get_tree+0x88/0x270
[ 200.286107][ T4515] do_new_mount+0x24a/0xa40
[ 200.290600][ T4515] __se_sys_mount+0x2d6/0x3c0
[ 200.295384][ T4515] ? __x64_sys_mount+0xc0/0xc0
[ 200.300137][ T4515] ? lockdep_hardirqs_on+0x94/0x140
[ 200.305329][ T4515] ? __x64_sys_mount+0x1c/0xc0
[ 200.310079][ T4515] do_syscall_64+0x4c/0xa0
[ 200.314481][ T4515] ? clear_bhb_loop+0x30/0x80
[ 200.319144][ T4515] ? clear_bhb_loop+0x30/0x80
[ 200.323809][ T4515] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 200.329954][ T4515] RIP: 0033:0x7f2bad80a38a
[ 200.334362][ T4515] 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
[ 200.353972][ T4515] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 200.362376][ T4515] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 200.370337][ T4515] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 200.378295][ T4515] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 200.386269][ T4515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 200.394237][ T4515] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 200.402312][ T4515]
[ 200.406722][ T4515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 200.419942][ T4515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 200.780177][ T4516] loop1: detected capacity change from 0 to 32768
[ 200.855133][ T4516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.871381][ T4516] CPU: 1 PID: 4516 Comm: syz.1.177 Not tainted 5.15.189-syzkaller #0
[ 200.879589][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 200.889674][ T4516] Call Trace:
[ 200.892983][ T4516]
[ 200.895930][ T4516] dump_stack_lvl+0x168/0x230
[ 200.900642][ T4516] ? show_regs_print_info+0x20/0x20
[ 200.905866][ T4516] ? load_image+0x3b0/0x3b0
[ 200.910398][ T4516] sysfs_create_dir_ns+0x252/0x280
[ 200.915508][ T4516] ? __lock_acquire+0x7c60/0x7c60
[ 200.920524][ T4516] ? sysfs_warn_dup+0xa0/0xa0
[ 200.925214][ T4516] ? do_raw_spin_unlock+0x11d/0x230
[ 200.930415][ T4516] kobject_add_internal+0x662/0xd00
[ 200.935608][ T4516] kobject_init_and_add+0x122/0x190
[ 200.940818][ T4516] ? lockdep_softirqs_off+0x420/0x420
[ 200.946185][ T4516] ? kobject_add+0x210/0x210
[ 200.950771][ T4516] ? __init_swait_queue_head+0xa5/0x150
[ 200.956312][ T4516] gfs2_sys_fs_add+0x234/0x480
[ 200.961085][ T4516] ? gfs2_recover_set+0x240/0x240
[ 200.966115][ T4516] ? snprintf+0xd7/0x120
[ 200.970347][ T4516] ? __free_pages+0x95/0x1a0
[ 200.974935][ T4516] ? vscnprintf+0x80/0x80
[ 200.979278][ T4516] gfs2_fill_super+0x128d/0x1f50
[ 200.984226][ T4516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 200.989244][ T4516] ? preempt_count_add+0x8d/0x190
[ 200.994265][ T4516] ? sb_set_blocksize+0xa5/0xe0
[ 200.999111][ T4516] get_tree_bdev+0x3f1/0x610
[ 201.003692][ T4516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 201.008707][ T4516] gfs2_get_tree+0x4d/0x1e0
[ 201.013305][ T4516] vfs_get_tree+0x88/0x270
[ 201.017713][ T4516] do_new_mount+0x24a/0xa40
[ 201.022211][ T4516] __se_sys_mount+0x2d6/0x3c0
[ 201.026879][ T4516] ? __x64_sys_mount+0xc0/0xc0
[ 201.031642][ T4516] ? lockdep_hardirqs_on+0x94/0x140
[ 201.036854][ T4516] ? __x64_sys_mount+0x1c/0xc0
[ 201.041614][ T4516] do_syscall_64+0x4c/0xa0
[ 201.046226][ T4516] ? clear_bhb_loop+0x30/0x80
[ 201.050907][ T4516] ? clear_bhb_loop+0x30/0x80
[ 201.055594][ T4516] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 201.061492][ T4516] RIP: 0033:0x7f2bad80a38a
[ 201.066207][ T4516] 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
[ 201.085911][ T4516] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.094566][ T4516] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 201.102540][ T4516] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 201.110506][ T4516] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 201.118478][ T4516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 201.126549][ T4516] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 201.134621][ T4516]
[ 201.139001][ T4516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.152171][ T4516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 201.494947][ T4517] loop1: detected capacity change from 0 to 32768
[ 201.555522][ T4517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 201.564663][ T4517] CPU: 0 PID: 4517 Comm: syz.1.178 Not tainted 5.15.189-syzkaller #0
[ 201.572776][ T4517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 201.583032][ T4517] Call Trace:
[ 201.586342][ T4517]
[ 201.589301][ T4517] dump_stack_lvl+0x168/0x230
[ 201.594110][ T4517] ? show_regs_print_info+0x20/0x20
[ 201.599342][ T4517] ? load_image+0x3b0/0x3b0
[ 201.603884][ T4517] sysfs_create_dir_ns+0x252/0x280
[ 201.609032][ T4517] ? __lock_acquire+0x7c60/0x7c60
[ 201.614097][ T4517] ? sysfs_warn_dup+0xa0/0xa0
[ 201.618808][ T4517] ? do_raw_spin_unlock+0x11d/0x230
[ 201.624028][ T4517] kobject_add_internal+0x662/0xd00
[ 201.629264][ T4517] kobject_init_and_add+0x122/0x190
[ 201.634484][ T4517] ? lockdep_softirqs_off+0x420/0x420
[ 201.639882][ T4517] ? kobject_add+0x210/0x210
[ 201.644486][ T4517] ? __init_swait_queue_head+0xa5/0x150
[ 201.650051][ T4517] gfs2_sys_fs_add+0x234/0x480
[ 201.654815][ T4517] ? gfs2_recover_set+0x240/0x240
[ 201.659828][ T4517] ? snprintf+0xd7/0x120
[ 201.664057][ T4517] ? __free_pages+0x95/0x1a0
[ 201.668660][ T4517] ? vscnprintf+0x80/0x80
[ 201.673021][ T4517] gfs2_fill_super+0x128d/0x1f50
[ 201.677964][ T4517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 201.682991][ T4517] ? preempt_count_add+0x8d/0x190
[ 201.688011][ T4517] ? sb_set_blocksize+0xa5/0xe0
[ 201.692858][ T4517] get_tree_bdev+0x3f1/0x610
[ 201.697459][ T4517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 201.702487][ T4517] gfs2_get_tree+0x4d/0x1e0
[ 201.706990][ T4517] vfs_get_tree+0x88/0x270
[ 201.711426][ T4517] do_new_mount+0x24a/0xa40
[ 201.715923][ T4517] __se_sys_mount+0x2d6/0x3c0
[ 201.720592][ T4517] ? __x64_sys_mount+0xc0/0xc0
[ 201.725346][ T4517] ? lockdep_hardirqs_on+0x94/0x140
[ 201.730545][ T4517] ? __x64_sys_mount+0x1c/0xc0
[ 201.735309][ T4517] do_syscall_64+0x4c/0xa0
[ 201.739815][ T4517] ? clear_bhb_loop+0x30/0x80
[ 201.744479][ T4517] ? clear_bhb_loop+0x30/0x80
[ 201.749146][ T4517] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 201.755031][ T4517] RIP: 0033:0x7f2bad80a38a
[ 201.759435][ T4517] 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
[ 201.779071][ T4517] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.787485][ T4517] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 201.795470][ T4517] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 201.803437][ T4517] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 201.811397][ T4517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 201.819373][ T4517] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 201.827344][ T4517]
[ 201.831957][ T4517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.845278][ T4517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 202.196839][ T4518] loop1: detected capacity change from 0 to 32768
[ 202.255762][ T4518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.263837][ T4518] CPU: 0 PID: 4518 Comm: syz.1.179 Not tainted 5.15.189-syzkaller #0
[ 202.271953][ T4518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 202.282038][ T4518] Call Trace:
[ 202.285534][ T4518]
[ 202.288488][ T4518] dump_stack_lvl+0x168/0x230
[ 202.293203][ T4518] ? show_regs_print_info+0x20/0x20
[ 202.298428][ T4518] ? load_image+0x3b0/0x3b0
[ 202.302968][ T4518] sysfs_create_dir_ns+0x252/0x280
[ 202.308109][ T4518] ? __lock_acquire+0x7c60/0x7c60
[ 202.313162][ T4518] ? sysfs_warn_dup+0xa0/0xa0
[ 202.317959][ T4518] ? do_raw_spin_unlock+0x11d/0x230
[ 202.323223][ T4518] kobject_add_internal+0x662/0xd00
[ 202.328456][ T4518] kobject_init_and_add+0x122/0x190
[ 202.333829][ T4518] ? lockdep_softirqs_off+0x420/0x420
[ 202.339237][ T4518] ? kobject_add+0x210/0x210
[ 202.343857][ T4518] ? __init_swait_queue_head+0xa5/0x150
[ 202.349407][ T4518] gfs2_sys_fs_add+0x234/0x480
[ 202.354177][ T4518] ? gfs2_recover_set+0x240/0x240
[ 202.359199][ T4518] ? snprintf+0xd7/0x120
[ 202.363432][ T4518] ? __free_pages+0x95/0x1a0
[ 202.368012][ T4518] ? vscnprintf+0x80/0x80
[ 202.372341][ T4518] gfs2_fill_super+0x128d/0x1f50
[ 202.377574][ T4518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 202.382588][ T4518] ? preempt_count_add+0x8d/0x190
[ 202.387633][ T4518] ? sb_set_blocksize+0xa5/0xe0
[ 202.392479][ T4518] get_tree_bdev+0x3f1/0x610
[ 202.397072][ T4518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 202.402100][ T4518] gfs2_get_tree+0x4d/0x1e0
[ 202.406617][ T4518] vfs_get_tree+0x88/0x270
[ 202.411024][ T4518] do_new_mount+0x24a/0xa40
[ 202.415533][ T4518] __se_sys_mount+0x2d6/0x3c0
[ 202.420205][ T4518] ? __x64_sys_mount+0xc0/0xc0
[ 202.424956][ T4518] ? lockdep_hardirqs_on+0x94/0x140
[ 202.430141][ T4518] ? __x64_sys_mount+0x1c/0xc0
[ 202.434891][ T4518] do_syscall_64+0x4c/0xa0
[ 202.439302][ T4518] ? clear_bhb_loop+0x30/0x80
[ 202.443978][ T4518] ? clear_bhb_loop+0x30/0x80
[ 202.448656][ T4518] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 202.454561][ T4518] RIP: 0033:0x7f2bad80a38a
[ 202.459102][ T4518] 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
[ 202.478709][ T4518] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 202.487343][ T4518] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 202.495310][ T4518] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 202.503271][ T4518] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 202.511236][ T4518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 202.519218][ T4518] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 202.527285][ T4518]
[ 202.531796][ T4518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 202.545264][ T4518] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 13:42:27 executed programs: 165
[ 202.888638][ T4519] loop1: detected capacity change from 0 to 32768
[ 202.957721][ T4519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.965438][ T4519] CPU: 0 PID: 4519 Comm: syz.1.180 Not tainted 5.15.189-syzkaller #0
[ 202.973540][ T4519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 202.983743][ T4519] Call Trace:
[ 202.987137][ T4519]
[ 202.990091][ T4519] dump_stack_lvl+0x168/0x230
[ 202.994800][ T4519] ? show_regs_print_info+0x20/0x20
[ 203.000017][ T4519] ? load_image+0x3b0/0x3b0
[ 203.004651][ T4519] sysfs_create_dir_ns+0x252/0x280
[ 203.009883][ T4519] ? __lock_acquire+0x7c60/0x7c60
[ 203.015072][ T4519] ? sysfs_warn_dup+0xa0/0xa0
[ 203.019841][ T4519] ? do_raw_spin_unlock+0x11d/0x230
[ 203.025086][ T4519] kobject_add_internal+0x662/0xd00
[ 203.030321][ T4519] kobject_init_and_add+0x122/0x190
[ 203.035546][ T4519] ? lockdep_softirqs_off+0x420/0x420
[ 203.040956][ T4519] ? kobject_add+0x210/0x210
[ 203.045739][ T4519] ? __init_swait_queue_head+0xa5/0x150
[ 203.051315][ T4519] gfs2_sys_fs_add+0x234/0x480
[ 203.056100][ T4519] ? gfs2_recover_set+0x240/0x240
[ 203.061126][ T4519] ? snprintf+0xd7/0x120
[ 203.065474][ T4519] ? __free_pages+0x95/0x1a0
[ 203.070059][ T4519] ? vscnprintf+0x80/0x80
[ 203.074382][ T4519] gfs2_fill_super+0x128d/0x1f50
[ 203.079318][ T4519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.084598][ T4519] ? preempt_count_add+0x8d/0x190
[ 203.089622][ T4519] ? sb_set_blocksize+0xa5/0xe0
[ 203.094462][ T4519] get_tree_bdev+0x3f1/0x610
[ 203.099045][ T4519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.104059][ T4519] gfs2_get_tree+0x4d/0x1e0
[ 203.108558][ T4519] vfs_get_tree+0x88/0x270
[ 203.112982][ T4519] do_new_mount+0x24a/0xa40
[ 203.117477][ T4519] __se_sys_mount+0x2d6/0x3c0
[ 203.122179][ T4519] ? __x64_sys_mount+0xc0/0xc0
[ 203.127060][ T4519] ? lockdep_hardirqs_on+0x94/0x140
[ 203.132340][ T4519] ? __x64_sys_mount+0x1c/0xc0
[ 203.137180][ T4519] do_syscall_64+0x4c/0xa0
[ 203.141599][ T4519] ? clear_bhb_loop+0x30/0x80
[ 203.146304][ T4519] ? clear_bhb_loop+0x30/0x80
[ 203.150981][ T4519] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 203.156879][ T4519] RIP: 0033:0x7f2bad80a38a
[ 203.161388][ T4519] 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
[ 203.181196][ T4519] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 203.189638][ T4519] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 203.197601][ T4519] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 203.205576][ T4519] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 203.213549][ T4519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 203.221515][ T4519] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 203.230042][ T4519]
[ 203.241219][ T4519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 203.254870][ T4519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 203.630462][ T4520] loop1: detected capacity change from 0 to 32768
[ 203.682411][ T4520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 203.689838][ T4520] CPU: 0 PID: 4520 Comm: syz.1.181 Not tainted 5.15.189-syzkaller #0
[ 203.697925][ T4520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 203.708096][ T4520] Call Trace:
[ 203.711396][ T4520]
[ 203.714344][ T4520] dump_stack_lvl+0x168/0x230
[ 203.719055][ T4520] ? show_regs_print_info+0x20/0x20
[ 203.724278][ T4520] ? load_image+0x3b0/0x3b0
[ 203.728824][ T4520] sysfs_create_dir_ns+0x252/0x280
[ 203.734153][ T4520] ? __lock_acquire+0x7c60/0x7c60
[ 203.739206][ T4520] ? sysfs_warn_dup+0xa0/0xa0
[ 203.743916][ T4520] ? do_raw_spin_unlock+0x11d/0x230
[ 203.749151][ T4520] kobject_add_internal+0x662/0xd00
[ 203.754379][ T4520] kobject_init_and_add+0x122/0x190
[ 203.759605][ T4520] ? lockdep_softirqs_off+0x420/0x420
[ 203.765137][ T4520] ? kobject_add+0x210/0x210
[ 203.769723][ T4520] ? __init_swait_queue_head+0xa5/0x150
[ 203.775286][ T4520] gfs2_sys_fs_add+0x234/0x480
[ 203.780041][ T4520] ? gfs2_recover_set+0x240/0x240
[ 203.785054][ T4520] ? snprintf+0xd7/0x120
[ 203.789285][ T4520] ? __free_pages+0x95/0x1a0
[ 203.793867][ T4520] ? vscnprintf+0x80/0x80
[ 203.798191][ T4520] gfs2_fill_super+0x128d/0x1f50
[ 203.803139][ T4520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.808155][ T4520] ? preempt_count_add+0x8d/0x190
[ 203.813194][ T4520] ? sb_set_blocksize+0xa5/0xe0
[ 203.818040][ T4520] get_tree_bdev+0x3f1/0x610
[ 203.822628][ T4520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.827658][ T4520] gfs2_get_tree+0x4d/0x1e0
[ 203.832167][ T4520] vfs_get_tree+0x88/0x270
[ 203.836740][ T4520] do_new_mount+0x24a/0xa40
[ 203.841252][ T4520] __se_sys_mount+0x2d6/0x3c0
[ 203.845928][ T4520] ? __x64_sys_mount+0xc0/0xc0
[ 203.850710][ T4520] ? lockdep_hardirqs_on+0x94/0x140
[ 203.855984][ T4520] ? __x64_sys_mount+0x1c/0xc0
[ 203.860910][ T4520] do_syscall_64+0x4c/0xa0
[ 203.865315][ T4520] ? clear_bhb_loop+0x30/0x80
[ 203.869978][ T4520] ? clear_bhb_loop+0x30/0x80
[ 203.874645][ T4520] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 203.880628][ T4520] RIP: 0033:0x7f2bad80a38a
[ 203.885033][ T4520] 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
[ 203.904736][ T4520] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 203.913139][ T4520] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 203.921114][ T4520] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 203.929086][ T4520] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 203.937075][ T4520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 203.945051][ T4520] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 203.953038][ T4520]
[ 203.957737][ T4520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 203.970936][ T4520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 204.347116][ T4521] loop1: detected capacity change from 0 to 32768
[ 204.411856][ T4521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 204.419534][ T4521] CPU: 1 PID: 4521 Comm: syz.1.182 Not tainted 5.15.189-syzkaller #0
[ 204.427632][ T4521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 204.437713][ T4521] Call Trace:
[ 204.441028][ T4521]
[ 204.443979][ T4521] dump_stack_lvl+0x168/0x230
[ 204.448697][ T4521] ? show_regs_print_info+0x20/0x20
[ 204.453930][ T4521] ? load_image+0x3b0/0x3b0
[ 204.458479][ T4521] sysfs_create_dir_ns+0x252/0x280
[ 204.463727][ T4521] ? __lock_acquire+0x7c60/0x7c60
[ 204.468783][ T4521] ? sysfs_warn_dup+0xa0/0xa0
[ 204.473576][ T4521] ? do_raw_spin_unlock+0x11d/0x230
[ 204.478803][ T4521] kobject_add_internal+0x662/0xd00
[ 204.484031][ T4521] kobject_init_and_add+0x122/0x190
[ 204.489252][ T4521] ? lockdep_softirqs_off+0x420/0x420
[ 204.494675][ T4521] ? kobject_add+0x210/0x210
[ 204.499261][ T4521] ? __init_swait_queue_head+0xa5/0x150
[ 204.504925][ T4521] gfs2_sys_fs_add+0x234/0x480
[ 204.509800][ T4521] ? gfs2_recover_set+0x240/0x240
[ 204.514822][ T4521] ? snprintf+0xd7/0x120
[ 204.519075][ T4521] ? __free_pages+0x95/0x1a0
[ 204.523681][ T4521] ? vscnprintf+0x80/0x80
[ 204.528033][ T4521] gfs2_fill_super+0x128d/0x1f50
[ 204.532994][ T4521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 204.538066][ T4521] ? preempt_count_add+0x8d/0x190
[ 204.543103][ T4521] ? sb_set_blocksize+0xa5/0xe0
[ 204.547961][ T4521] get_tree_bdev+0x3f1/0x610
[ 204.552561][ T4521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 204.557585][ T4521] gfs2_get_tree+0x4d/0x1e0
[ 204.562096][ T4521] vfs_get_tree+0x88/0x270
[ 204.566509][ T4521] do_new_mount+0x24a/0xa40
[ 204.571011][ T4521] __se_sys_mount+0x2d6/0x3c0
[ 204.575689][ T4521] ? __x64_sys_mount+0xc0/0xc0
[ 204.580456][ T4521] ? lockdep_hardirqs_on+0x94/0x140
[ 204.585653][ T4521] ? __x64_sys_mount+0x1c/0xc0
[ 204.590419][ T4521] do_syscall_64+0x4c/0xa0
[ 204.594899][ T4521] ? clear_bhb_loop+0x30/0x80
[ 204.599586][ T4521] ? clear_bhb_loop+0x30/0x80
[ 204.604267][ T4521] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 204.610170][ T4521] RIP: 0033:0x7f2bad80a38a
[ 204.614582][ T4521] 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
[ 204.634188][ T4521] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 204.642786][ T4521] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 204.650790][ T4521] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 204.658811][ T4521] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 204.666781][ T4521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 204.674746][ T4521] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 204.682734][ T4521]
[ 204.689425][ T4521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 204.702603][ T4521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.036476][ T4522] loop1: detected capacity change from 0 to 32768
[ 205.093973][ T4522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.103624][ T4522] CPU: 1 PID: 4522 Comm: syz.1.183 Not tainted 5.15.189-syzkaller #0
[ 205.111742][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 205.121996][ T4522] Call Trace:
[ 205.125338][ T4522]
[ 205.128290][ T4522] dump_stack_lvl+0x168/0x230
[ 205.133007][ T4522] ? show_regs_print_info+0x20/0x20
[ 205.138247][ T4522] ? load_image+0x3b0/0x3b0
[ 205.142823][ T4522] sysfs_create_dir_ns+0x252/0x280
[ 205.147962][ T4522] ? __lock_acquire+0x7c60/0x7c60
[ 205.153015][ T4522] ? sysfs_warn_dup+0xa0/0xa0
[ 205.157755][ T4522] ? do_raw_spin_unlock+0x11d/0x230
[ 205.162977][ T4522] kobject_add_internal+0x662/0xd00
[ 205.168209][ T4522] kobject_init_and_add+0x122/0x190
[ 205.173430][ T4522] ? lockdep_softirqs_off+0x420/0x420
[ 205.178827][ T4522] ? kobject_add+0x210/0x210
[ 205.183505][ T4522] ? __init_swait_queue_head+0xa5/0x150
[ 205.189079][ T4522] gfs2_sys_fs_add+0x234/0x480
[ 205.193879][ T4522] ? gfs2_recover_set+0x240/0x240
[ 205.198899][ T4522] ? snprintf+0xd7/0x120
[ 205.203161][ T4522] ? __free_pages+0x95/0x1a0
[ 205.207872][ T4522] ? vscnprintf+0x80/0x80
[ 205.212230][ T4522] gfs2_fill_super+0x128d/0x1f50
[ 205.217182][ T4522] ? gfs2_reconfigure+0xcd0/0xcd0
[ 205.222212][ T4522] ? preempt_count_add+0x8d/0x190
[ 205.227273][ T4522] ? sb_set_blocksize+0xa5/0xe0
[ 205.232115][ T4522] get_tree_bdev+0x3f1/0x610
[ 205.236696][ T4522] ? gfs2_reconfigure+0xcd0/0xcd0
[ 205.241716][ T4522] gfs2_get_tree+0x4d/0x1e0
[ 205.246229][ T4522] vfs_get_tree+0x88/0x270
[ 205.250640][ T4522] do_new_mount+0x24a/0xa40
[ 205.255146][ T4522] __se_sys_mount+0x2d6/0x3c0
[ 205.259813][ T4522] ? __x64_sys_mount+0xc0/0xc0
[ 205.264572][ T4522] ? lockdep_hardirqs_on+0x94/0x140
[ 205.269757][ T4522] ? __x64_sys_mount+0x1c/0xc0
[ 205.274515][ T4522] do_syscall_64+0x4c/0xa0
[ 205.279027][ T4522] ? clear_bhb_loop+0x30/0x80
[ 205.283699][ T4522] ? clear_bhb_loop+0x30/0x80
[ 205.288385][ T4522] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 205.294269][ T4522] RIP: 0033:0x7f2bad80a38a
[ 205.298674][ T4522] 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
[ 205.318362][ T4522] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.326869][ T4522] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 205.334850][ T4522] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 205.342833][ T4522] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 205.351092][ T4522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 205.359161][ T4522] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 205.367239][ T4522]
[ 205.372038][ T4522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.385282][ T4522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.733732][ T4523] loop1: detected capacity change from 0 to 32768
[ 205.773767][ T4523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.791259][ T4523] CPU: 0 PID: 4523 Comm: syz.1.184 Not tainted 5.15.189-syzkaller #0
[ 205.799376][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 205.809471][ T4523] Call Trace:
[ 205.812790][ T4523]
[ 205.815740][ T4523] dump_stack_lvl+0x168/0x230
[ 205.820536][ T4523] ? show_regs_print_info+0x20/0x20
[ 205.825770][ T4523] ? load_image+0x3b0/0x3b0
[ 205.830327][ T4523] sysfs_create_dir_ns+0x252/0x280
[ 205.835470][ T4523] ? __lock_acquire+0x7c60/0x7c60
[ 205.840707][ T4523] ? sysfs_warn_dup+0xa0/0xa0
[ 205.845677][ T4523] ? do_raw_spin_unlock+0x11d/0x230
[ 205.850910][ T4523] kobject_add_internal+0x662/0xd00
[ 205.856185][ T4523] kobject_init_and_add+0x122/0x190
[ 205.861404][ T4523] ? lockdep_softirqs_off+0x420/0x420
[ 205.866815][ T4523] ? kobject_add+0x210/0x210
[ 205.871437][ T4523] ? __init_swait_queue_head+0xa5/0x150
[ 205.876993][ T4523] gfs2_sys_fs_add+0x234/0x480
[ 205.881772][ T4523] ? gfs2_recover_set+0x240/0x240
[ 205.886830][ T4523] ? snprintf+0xd7/0x120
[ 205.891120][ T4523] ? __free_pages+0x95/0x1a0
[ 205.895737][ T4523] ? vscnprintf+0x80/0x80
[ 205.900210][ T4523] gfs2_fill_super+0x128d/0x1f50
[ 205.905155][ T4523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 205.910188][ T4523] ? preempt_count_add+0x8d/0x190
[ 205.915393][ T4523] ? sb_set_blocksize+0xa5/0xe0
[ 205.920341][ T4523] get_tree_bdev+0x3f1/0x610
[ 205.925362][ T4523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 205.930382][ T4523] gfs2_get_tree+0x4d/0x1e0
[ 205.934878][ T4523] vfs_get_tree+0x88/0x270
[ 205.939291][ T4523] do_new_mount+0x24a/0xa40
[ 205.943789][ T4523] __se_sys_mount+0x2d6/0x3c0
[ 205.948457][ T4523] ? __x64_sys_mount+0xc0/0xc0
[ 205.953225][ T4523] ? lockdep_hardirqs_on+0x94/0x140
[ 205.958435][ T4523] ? __x64_sys_mount+0x1c/0xc0
[ 205.963191][ T4523] do_syscall_64+0x4c/0xa0
[ 205.967603][ T4523] ? clear_bhb_loop+0x30/0x80
[ 205.972283][ T4523] ? clear_bhb_loop+0x30/0x80
[ 205.976966][ T4523] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 205.982861][ T4523] RIP: 0033:0x7f2bad80a38a
[ 205.987279][ T4523] 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
[ 206.006896][ T4523] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.015314][ T4523] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 206.023320][ T4523] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 206.031307][ T4523] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 206.039282][ T4523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 206.047273][ T4523] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 206.055266][ T4523]
[ 206.059881][ T4523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.073323][ T4523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 206.432789][ T4524] loop1: detected capacity change from 0 to 32768
[ 206.492883][ T4524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.500404][ T4524] CPU: 0 PID: 4524 Comm: syz.1.185 Not tainted 5.15.189-syzkaller #0
[ 206.508500][ T4524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 206.518717][ T4524] Call Trace:
[ 206.522042][ T4524]
[ 206.524991][ T4524] dump_stack_lvl+0x168/0x230
[ 206.529698][ T4524] ? show_regs_print_info+0x20/0x20
[ 206.534932][ T4524] ? load_image+0x3b0/0x3b0
[ 206.539470][ T4524] sysfs_create_dir_ns+0x252/0x280
[ 206.544608][ T4524] ? __lock_acquire+0x7c60/0x7c60
[ 206.549671][ T4524] ? sysfs_warn_dup+0xa0/0xa0
[ 206.554388][ T4524] ? do_raw_spin_unlock+0x11d/0x230
[ 206.559613][ T4524] kobject_add_internal+0x662/0xd00
[ 206.565195][ T4524] kobject_init_and_add+0x122/0x190
[ 206.570420][ T4524] ? lockdep_softirqs_off+0x420/0x420
[ 206.575935][ T4524] ? kobject_add+0x210/0x210
[ 206.580550][ T4524] ? __init_swait_queue_head+0xa5/0x150
[ 206.586192][ T4524] gfs2_sys_fs_add+0x234/0x480
[ 206.590985][ T4524] ? gfs2_recover_set+0x240/0x240
[ 206.596009][ T4524] ? snprintf+0xd7/0x120
[ 206.600251][ T4524] ? __free_pages+0x95/0x1a0
[ 206.604839][ T4524] ? vscnprintf+0x80/0x80
[ 206.609184][ T4524] gfs2_fill_super+0x128d/0x1f50
[ 206.614134][ T4524] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.619153][ T4524] ? preempt_count_add+0x8d/0x190
[ 206.624179][ T4524] ? sb_set_blocksize+0xa5/0xe0
[ 206.629024][ T4524] get_tree_bdev+0x3f1/0x610
[ 206.633619][ T4524] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.638635][ T4524] gfs2_get_tree+0x4d/0x1e0
[ 206.643142][ T4524] vfs_get_tree+0x88/0x270
[ 206.647570][ T4524] do_new_mount+0x24a/0xa40
[ 206.652072][ T4524] __se_sys_mount+0x2d6/0x3c0
[ 206.656754][ T4524] ? __x64_sys_mount+0xc0/0xc0
[ 206.661521][ T4524] ? lockdep_hardirqs_on+0x94/0x140
[ 206.666729][ T4524] ? __x64_sys_mount+0x1c/0xc0
[ 206.671497][ T4524] do_syscall_64+0x4c/0xa0
[ 206.675907][ T4524] ? clear_bhb_loop+0x30/0x80
[ 206.680571][ T4524] ? clear_bhb_loop+0x30/0x80
[ 206.685325][ T4524] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 206.691214][ T4524] RIP: 0033:0x7f2bad80a38a
[ 206.695626][ T4524] 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
[ 206.715326][ T4524] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.723808][ T4524] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 206.731965][ T4524] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 206.739936][ T4524] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 206.747911][ T4524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 206.755873][ T4524] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 206.763949][ T4524]
[ 206.768730][ T4524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.781916][ T4524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.120781][ T4525] loop1: detected capacity change from 0 to 32768
[ 207.191161][ T4525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.198857][ T4525] CPU: 1 PID: 4525 Comm: syz.1.186 Not tainted 5.15.189-syzkaller #0
[ 207.207123][ T4525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 207.217324][ T4525] Call Trace:
[ 207.220627][ T4525]
[ 207.223666][ T4525] dump_stack_lvl+0x168/0x230
[ 207.228381][ T4525] ? show_regs_print_info+0x20/0x20
[ 207.233603][ T4525] ? load_image+0x3b0/0x3b0
[ 207.238151][ T4525] sysfs_create_dir_ns+0x252/0x280
[ 207.243372][ T4525] ? __lock_acquire+0x7c60/0x7c60
[ 207.248618][ T4525] ? sysfs_warn_dup+0xa0/0xa0
[ 207.253340][ T4525] ? do_raw_spin_unlock+0x11d/0x230
[ 207.258566][ T4525] kobject_add_internal+0x662/0xd00
[ 207.263796][ T4525] kobject_init_and_add+0x122/0x190
[ 207.269017][ T4525] ? lockdep_softirqs_off+0x420/0x420
[ 207.274539][ T4525] ? kobject_add+0x210/0x210
[ 207.279156][ T4525] ? __init_swait_queue_head+0xa5/0x150
[ 207.284730][ T4525] gfs2_sys_fs_add+0x234/0x480
[ 207.289520][ T4525] ? gfs2_recover_set+0x240/0x240
[ 207.294536][ T4525] ? snprintf+0xd7/0x120
[ 207.298773][ T4525] ? __free_pages+0x95/0x1a0
[ 207.303357][ T4525] ? vscnprintf+0x80/0x80
[ 207.307685][ T4525] gfs2_fill_super+0x128d/0x1f50
[ 207.312853][ T4525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 207.317890][ T4525] ? preempt_count_add+0x8d/0x190
[ 207.322913][ T4525] ? sb_set_blocksize+0xa5/0xe0
[ 207.327758][ T4525] get_tree_bdev+0x3f1/0x610
[ 207.332346][ T4525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 207.337405][ T4525] gfs2_get_tree+0x4d/0x1e0
[ 207.342035][ T4525] vfs_get_tree+0x88/0x270
[ 207.346468][ T4525] do_new_mount+0x24a/0xa40
[ 207.350980][ T4525] __se_sys_mount+0x2d6/0x3c0
[ 207.355683][ T4525] ? __x64_sys_mount+0xc0/0xc0
[ 207.360463][ T4525] ? lockdep_hardirqs_on+0x94/0x140
[ 207.365674][ T4525] ? __x64_sys_mount+0x1c/0xc0
[ 207.370439][ T4525] do_syscall_64+0x4c/0xa0
[ 207.374857][ T4525] ? clear_bhb_loop+0x30/0x80
[ 207.379527][ T4525] ? clear_bhb_loop+0x30/0x80
[ 207.384214][ T4525] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 207.390121][ T4525] RIP: 0033:0x7f2bad80a38a
[ 207.394647][ T4525] 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
[ 207.414247][ T4525] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.422658][ T4525] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 207.430622][ T4525] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 207.438582][ T4525] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 207.446551][ T4525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 207.454530][ T4525] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 207.462499][ T4525]
[ 207.466727][ T4525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.479983][ T4525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.850055][ T4526] loop1: detected capacity change from 0 to 32768
[ 207.924679][ T4526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.933026][ T4526] CPU: 0 PID: 4526 Comm: syz.1.187 Not tainted 5.15.189-syzkaller #0
[ 207.941230][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 207.951403][ T4526] Call Trace:
[ 207.954716][ T4526]
[ 207.957679][ T4526] dump_stack_lvl+0x168/0x230
[ 207.962391][ T4526] ? show_regs_print_info+0x20/0x20
[ 207.967617][ T4526] ? load_image+0x3b0/0x3b0
[ 207.972166][ T4526] sysfs_create_dir_ns+0x252/0x280
[ 207.977309][ T4526] ? __lock_acquire+0x7c60/0x7c60
[ 207.982449][ T4526] ? sysfs_warn_dup+0xa0/0xa0
[ 207.987160][ T4526] ? do_raw_spin_unlock+0x11d/0x230
[ 207.992647][ T4526] kobject_add_internal+0x662/0xd00
[ 207.997880][ T4526] kobject_init_and_add+0x122/0x190
[ 208.003221][ T4526] ? lockdep_softirqs_off+0x420/0x420
[ 208.008621][ T4526] ? kobject_add+0x210/0x210
[ 208.013221][ T4526] ? __init_swait_queue_head+0xa5/0x150
[ 208.018786][ T4526] gfs2_sys_fs_add+0x234/0x480
[ 208.023780][ T4526] ? gfs2_recover_set+0x240/0x240
[ 208.028815][ T4526] ? snprintf+0xd7/0x120
[ 208.033072][ T4526] ? __free_pages+0x95/0x1a0
[ 208.037665][ T4526] ? vscnprintf+0x80/0x80
[ 208.042098][ T4526] gfs2_fill_super+0x128d/0x1f50
[ 208.047073][ T4526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.052163][ T4526] ? preempt_count_add+0x8d/0x190
[ 208.057211][ T4526] ? sb_set_blocksize+0xa5/0xe0
[ 208.062070][ T4526] get_tree_bdev+0x3f1/0x610
[ 208.066662][ T4526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.071681][ T4526] gfs2_get_tree+0x4d/0x1e0
[ 208.076178][ T4526] vfs_get_tree+0x88/0x270
[ 208.080588][ T4526] do_new_mount+0x24a/0xa40
[ 208.085088][ T4526] __se_sys_mount+0x2d6/0x3c0
[ 208.089761][ T4526] ? __x64_sys_mount+0xc0/0xc0
[ 208.094517][ T4526] ? lockdep_hardirqs_on+0x94/0x140
[ 208.099708][ T4526] ? __x64_sys_mount+0x1c/0xc0
[ 208.104486][ T4526] do_syscall_64+0x4c/0xa0
[ 208.108909][ T4526] ? clear_bhb_loop+0x30/0x80
[ 208.113586][ T4526] ? clear_bhb_loop+0x30/0x80
[ 208.118260][ T4526] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.124155][ T4526] RIP: 0033:0x7f2bad80a38a
[ 208.128574][ T4526] 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
[ 208.148191][ T4526] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.156621][ T4526] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 208.164588][ T4526] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 208.172811][ T4526] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 208.180780][ T4526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 208.188741][ T4526] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 208.196730][ T4526]
[ 208.201296][ T4526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.214791][ T4526] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 13:42:32 executed programs: 173
[ 208.567886][ T4527] loop1: detected capacity change from 0 to 32768
[ 208.633172][ T4527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.640596][ T4527] CPU: 1 PID: 4527 Comm: syz.1.188 Not tainted 5.15.189-syzkaller #0
[ 208.648687][ T4527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 208.658773][ T4527] Call Trace:
[ 208.662082][ T4527]
[ 208.665035][ T4527] dump_stack_lvl+0x168/0x230
[ 208.669753][ T4527] ? show_regs_print_info+0x20/0x20
[ 208.674997][ T4527] ? load_image+0x3b0/0x3b0
[ 208.679631][ T4527] sysfs_create_dir_ns+0x252/0x280
[ 208.684774][ T4527] ? __lock_acquire+0x7c60/0x7c60
[ 208.689822][ T4527] ? sysfs_warn_dup+0xa0/0xa0
[ 208.694537][ T4527] ? do_raw_spin_unlock+0x11d/0x230
[ 208.699777][ T4527] kobject_add_internal+0x662/0xd00
[ 208.704998][ T4527] kobject_init_and_add+0x122/0x190
[ 208.710220][ T4527] ? lockdep_softirqs_off+0x420/0x420
[ 208.715615][ T4527] ? kobject_add+0x210/0x210
[ 208.720201][ T4527] ? __init_swait_queue_head+0xa5/0x150
[ 208.725738][ T4527] gfs2_sys_fs_add+0x234/0x480
[ 208.730510][ T4527] ? gfs2_recover_set+0x240/0x240
[ 208.735524][ T4527] ? snprintf+0xd7/0x120
[ 208.739760][ T4527] ? __free_pages+0x95/0x1a0
[ 208.744338][ T4527] ? vscnprintf+0x80/0x80
[ 208.748663][ T4527] gfs2_fill_super+0x128d/0x1f50
[ 208.753598][ T4527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.758613][ T4527] ? preempt_count_add+0x8d/0x190
[ 208.763633][ T4527] ? sb_set_blocksize+0xa5/0xe0
[ 208.768490][ T4527] get_tree_bdev+0x3f1/0x610
[ 208.773071][ T4527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.778085][ T4527] gfs2_get_tree+0x4d/0x1e0
[ 208.782577][ T4527] vfs_get_tree+0x88/0x270
[ 208.786982][ T4527] do_new_mount+0x24a/0xa40
[ 208.791477][ T4527] __se_sys_mount+0x2d6/0x3c0
[ 208.796145][ T4527] ? __x64_sys_mount+0xc0/0xc0
[ 208.800895][ T4527] ? lockdep_hardirqs_on+0x94/0x140
[ 208.806081][ T4527] ? __x64_sys_mount+0x1c/0xc0
[ 208.810837][ T4527] do_syscall_64+0x4c/0xa0
[ 208.815244][ T4527] ? clear_bhb_loop+0x30/0x80
[ 208.819910][ T4527] ? clear_bhb_loop+0x30/0x80
[ 208.824587][ T4527] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.830474][ T4527] RIP: 0033:0x7f2bad80a38a
[ 208.834881][ T4527] 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
[ 208.854480][ T4527] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.862897][ T4527] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 208.870947][ T4527] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 208.878908][ T4527] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 208.886877][ T4527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 208.894849][ T4527] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 208.902825][ T4527]
[ 208.907579][ T4527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.920795][ T4527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 209.265072][ T4528] loop1: detected capacity change from 0 to 32768
[ 209.331869][ T4528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 209.339287][ T4528] CPU: 0 PID: 4528 Comm: syz.1.189 Not tainted 5.15.189-syzkaller #0
[ 209.347463][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 209.357674][ T4528] Call Trace:
[ 209.360982][ T4528]
[ 209.363942][ T4528] dump_stack_lvl+0x168/0x230
[ 209.368659][ T4528] ? show_regs_print_info+0x20/0x20
[ 209.373877][ T4528] ? load_image+0x3b0/0x3b0
[ 209.378419][ T4528] sysfs_create_dir_ns+0x252/0x280
[ 209.383564][ T4528] ? __lock_acquire+0x7c60/0x7c60
[ 209.388632][ T4528] ? sysfs_warn_dup+0xa0/0xa0
[ 209.393345][ T4528] ? do_raw_spin_unlock+0x11d/0x230
[ 209.398573][ T4528] kobject_add_internal+0x662/0xd00
[ 209.403804][ T4528] kobject_init_and_add+0x122/0x190
[ 209.409026][ T4528] ? lockdep_softirqs_off+0x420/0x420
[ 209.414436][ T4528] ? kobject_add+0x210/0x210
[ 209.419059][ T4528] ? __init_swait_queue_head+0xa5/0x150
[ 209.424628][ T4528] gfs2_sys_fs_add+0x234/0x480
[ 209.429389][ T4528] ? gfs2_recover_set+0x240/0x240
[ 209.434404][ T4528] ? snprintf+0xd7/0x120
[ 209.438648][ T4528] ? __free_pages+0x95/0x1a0
[ 209.443239][ T4528] ? vscnprintf+0x80/0x80
[ 209.447582][ T4528] gfs2_fill_super+0x128d/0x1f50
[ 209.452521][ T4528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 209.457543][ T4528] ? preempt_count_add+0x8d/0x190
[ 209.462575][ T4528] ? sb_set_blocksize+0xa5/0xe0
[ 209.467419][ T4528] get_tree_bdev+0x3f1/0x610
[ 209.472110][ T4528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 209.477126][ T4528] gfs2_get_tree+0x4d/0x1e0
[ 209.481619][ T4528] vfs_get_tree+0x88/0x270
[ 209.486057][ T4528] do_new_mount+0x24a/0xa40
[ 209.490551][ T4528] __se_sys_mount+0x2d6/0x3c0
[ 209.495238][ T4528] ? __x64_sys_mount+0xc0/0xc0
[ 209.499993][ T4528] ? lockdep_hardirqs_on+0x94/0x140
[ 209.505192][ T4528] ? __x64_sys_mount+0x1c/0xc0
[ 209.509949][ T4528] do_syscall_64+0x4c/0xa0
[ 209.514361][ T4528] ? clear_bhb_loop+0x30/0x80
[ 209.519025][ T4528] ? clear_bhb_loop+0x30/0x80
[ 209.523691][ T4528] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 209.529685][ T4528] RIP: 0033:0x7f2bad80a38a
[ 209.534090][ T4528] 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
[ 209.553776][ T4528] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 209.562195][ T4528] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 209.570169][ T4528] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 209.578130][ T4528] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 209.586093][ T4528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 209.594059][ T4528] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 209.602033][ T4528]
[ 209.609678][ T4528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.623370][ T4528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 209.962852][ T4529] loop1: detected capacity change from 0 to 32768
[ 210.054502][ T4529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.063714][ T4529] CPU: 1 PID: 4529 Comm: syz.1.190 Not tainted 5.15.189-syzkaller #0
[ 210.071830][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 210.081914][ T4529] Call Trace:
[ 210.085215][ T4529]
[ 210.088164][ T4529] dump_stack_lvl+0x168/0x230
[ 210.092869][ T4529] ? show_regs_print_info+0x20/0x20
[ 210.098095][ T4529] ? load_image+0x3b0/0x3b0
[ 210.102638][ T4529] sysfs_create_dir_ns+0x252/0x280
[ 210.107779][ T4529] ? __lock_acquire+0x7c60/0x7c60
[ 210.112835][ T4529] ? sysfs_warn_dup+0xa0/0xa0
[ 210.117543][ T4529] ? do_raw_spin_unlock+0x11d/0x230
[ 210.122767][ T4529] kobject_add_internal+0x662/0xd00
[ 210.128013][ T4529] kobject_init_and_add+0x122/0x190
[ 210.133255][ T4529] ? lockdep_softirqs_off+0x420/0x420
[ 210.138813][ T4529] ? kobject_add+0x210/0x210
[ 210.143414][ T4529] ? __init_swait_queue_head+0xa5/0x150
[ 210.148963][ T4529] gfs2_sys_fs_add+0x234/0x480
[ 210.153742][ T4529] ? gfs2_recover_set+0x240/0x240
[ 210.158790][ T4529] ? snprintf+0xd7/0x120
[ 210.163027][ T4529] ? __free_pages+0x95/0x1a0
[ 210.167615][ T4529] ? vscnprintf+0x80/0x80
[ 210.171943][ T4529] gfs2_fill_super+0x128d/0x1f50
[ 210.176876][ T4529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 210.181891][ T4529] ? preempt_count_add+0x8d/0x190
[ 210.186919][ T4529] ? sb_set_blocksize+0xa5/0xe0
[ 210.191857][ T4529] get_tree_bdev+0x3f1/0x610
[ 210.196455][ T4529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 210.201500][ T4529] gfs2_get_tree+0x4d/0x1e0
[ 210.206018][ T4529] vfs_get_tree+0x88/0x270
[ 210.210469][ T4529] do_new_mount+0x24a/0xa40
[ 210.214977][ T4529] __se_sys_mount+0x2d6/0x3c0
[ 210.219681][ T4529] ? __x64_sys_mount+0xc0/0xc0
[ 210.224486][ T4529] ? lockdep_hardirqs_on+0x94/0x140
[ 210.229691][ T4529] ? __x64_sys_mount+0x1c/0xc0
[ 210.234473][ T4529] do_syscall_64+0x4c/0xa0
[ 210.238891][ T4529] ? clear_bhb_loop+0x30/0x80
[ 210.243562][ T4529] ? clear_bhb_loop+0x30/0x80
[ 210.248233][ T4529] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.254281][ T4529] RIP: 0033:0x7f2bad80a38a
[ 210.258708][ T4529] 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
[ 210.279028][ T4529] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 210.287574][ T4529] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 210.295545][ T4529] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 210.303601][ T4529] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 210.311659][ T4529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 210.319759][ T4529] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 210.327824][ T4529]
[ 210.332400][ T4529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 210.346153][ T4529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 210.705146][ T4530] loop1: detected capacity change from 0 to 32768
[ 210.805233][ T4530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.812736][ T4530] CPU: 0 PID: 4530 Comm: syz.1.191 Not tainted 5.15.189-syzkaller #0
[ 210.821019][ T4530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 210.831236][ T4530] Call Trace:
[ 210.834532][ T4530]
[ 210.837483][ T4530] dump_stack_lvl+0x168/0x230
[ 210.842364][ T4530] ? show_regs_print_info+0x20/0x20
[ 210.847588][ T4530] ? load_image+0x3b0/0x3b0
[ 210.852137][ T4530] sysfs_create_dir_ns+0x252/0x280
[ 210.857281][ T4530] ? __lock_acquire+0x7c60/0x7c60
[ 210.862334][ T4530] ? sysfs_warn_dup+0xa0/0xa0
[ 210.867397][ T4530] ? do_raw_spin_unlock+0x11d/0x230
[ 210.872618][ T4530] kobject_add_internal+0x662/0xd00
[ 210.878028][ T4530] kobject_init_and_add+0x122/0x190
[ 210.883239][ T4530] ? lockdep_softirqs_off+0x420/0x420
[ 210.888626][ T4530] ? kobject_add+0x210/0x210
[ 210.893244][ T4530] ? __init_swait_queue_head+0xa5/0x150
[ 210.898805][ T4530] gfs2_sys_fs_add+0x234/0x480
[ 210.903573][ T4530] ? gfs2_recover_set+0x240/0x240
[ 210.908602][ T4530] ? snprintf+0xd7/0x120
[ 210.912837][ T4530] ? __free_pages+0x95/0x1a0
[ 210.917417][ T4530] ? vscnprintf+0x80/0x80
[ 210.921769][ T4530] gfs2_fill_super+0x128d/0x1f50
[ 210.926744][ T4530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 210.931780][ T4530] ? preempt_count_add+0x8d/0x190
[ 210.936827][ T4530] ? sb_set_blocksize+0xa5/0xe0
[ 210.941683][ T4530] get_tree_bdev+0x3f1/0x610
[ 210.946290][ T4530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 210.951311][ T4530] gfs2_get_tree+0x4d/0x1e0
[ 210.955827][ T4530] vfs_get_tree+0x88/0x270
[ 210.960237][ T4530] do_new_mount+0x24a/0xa40
[ 210.964734][ T4530] __se_sys_mount+0x2d6/0x3c0
[ 210.969406][ T4530] ? __x64_sys_mount+0xc0/0xc0
[ 210.974181][ T4530] ? lockdep_hardirqs_on+0x94/0x140
[ 210.979395][ T4530] ? __x64_sys_mount+0x1c/0xc0
[ 210.984149][ T4530] do_syscall_64+0x4c/0xa0
[ 210.988600][ T4530] ? clear_bhb_loop+0x30/0x80
[ 210.993282][ T4530] ? clear_bhb_loop+0x30/0x80
[ 210.997963][ T4530] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.003867][ T4530] RIP: 0033:0x7f2bad80a38a
[ 211.008282][ T4530] 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
[ 211.027974][ T4530] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.036396][ T4530] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 211.044376][ T4530] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 211.052353][ T4530] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 211.060410][ T4530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 211.068385][ T4530] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 211.076381][ T4530]
[ 211.081176][ T4530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.094581][ T4530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 211.461251][ T4531] loop1: detected capacity change from 0 to 32768
[ 211.513616][ T4531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 211.521302][ T4531] CPU: 1 PID: 4531 Comm: syz.1.192 Not tainted 5.15.189-syzkaller #0
[ 211.529401][ T4531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 211.539584][ T4531] Call Trace:
[ 211.542889][ T4531]
[ 211.545863][ T4531] dump_stack_lvl+0x168/0x230
[ 211.550568][ T4531] ? show_regs_print_info+0x20/0x20
[ 211.555801][ T4531] ? load_image+0x3b0/0x3b0
[ 211.560352][ T4531] sysfs_create_dir_ns+0x252/0x280
[ 211.565595][ T4531] ? __lock_acquire+0x7c60/0x7c60
[ 211.570649][ T4531] ? sysfs_warn_dup+0xa0/0xa0
[ 211.575358][ T4531] ? do_raw_spin_unlock+0x11d/0x230
[ 211.580584][ T4531] kobject_add_internal+0x662/0xd00
[ 211.585901][ T4531] kobject_init_and_add+0x122/0x190
[ 211.591118][ T4531] ? lockdep_softirqs_off+0x420/0x420
[ 211.596510][ T4531] ? kobject_add+0x210/0x210
[ 211.601107][ T4531] ? __init_swait_queue_head+0xa5/0x150
[ 211.606672][ T4531] gfs2_sys_fs_add+0x234/0x480
[ 211.611451][ T4531] ? gfs2_recover_set+0x240/0x240
[ 211.616563][ T4531] ? snprintf+0xd7/0x120
[ 211.620811][ T4531] ? __free_pages+0x95/0x1a0
[ 211.625389][ T4531] ? vscnprintf+0x80/0x80
[ 211.629959][ T4531] gfs2_fill_super+0x128d/0x1f50
[ 211.634894][ T4531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 211.639909][ T4531] ? preempt_count_add+0x8d/0x190
[ 211.644926][ T4531] ? sb_set_blocksize+0xa5/0xe0
[ 211.649774][ T4531] get_tree_bdev+0x3f1/0x610
[ 211.654352][ T4531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 211.659367][ T4531] gfs2_get_tree+0x4d/0x1e0
[ 211.663861][ T4531] vfs_get_tree+0x88/0x270
[ 211.668271][ T4531] do_new_mount+0x24a/0xa40
[ 211.672765][ T4531] __se_sys_mount+0x2d6/0x3c0
[ 211.677433][ T4531] ? __x64_sys_mount+0xc0/0xc0
[ 211.682285][ T4531] ? lockdep_hardirqs_on+0x94/0x140
[ 211.687499][ T4531] ? __x64_sys_mount+0x1c/0xc0
[ 211.692271][ T4531] do_syscall_64+0x4c/0xa0
[ 211.696685][ T4531] ? clear_bhb_loop+0x30/0x80
[ 211.701354][ T4531] ? clear_bhb_loop+0x30/0x80
[ 211.706037][ T4531] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.712013][ T4531] RIP: 0033:0x7f2bad80a38a
[ 211.716421][ T4531] 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
[ 211.736101][ T4531] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.744684][ T4531] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 211.752645][ T4531] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 211.760607][ T4531] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 211.768569][ T4531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 211.776541][ T4531] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 211.784511][ T4531]
[ 211.788784][ T21] Bluetooth: hci1: command 0x0406 tx timeout
[ 211.792230][ T4531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.809262][ T4531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.159434][ T4532] loop1: detected capacity change from 0 to 32768
[ 212.181359][ T4532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.188819][ T4532] CPU: 1 PID: 4532 Comm: syz.1.193 Not tainted 5.15.189-syzkaller #0
[ 212.196998][ T4532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 212.207231][ T4532] Call Trace:
[ 212.210531][ T4532]
[ 212.213480][ T4532] dump_stack_lvl+0x168/0x230
[ 212.218187][ T4532] ? show_regs_print_info+0x20/0x20
[ 212.223405][ T4532] ? load_image+0x3b0/0x3b0
[ 212.227956][ T4532] sysfs_create_dir_ns+0x252/0x280
[ 212.233103][ T4532] ? __lock_acquire+0x7c60/0x7c60
[ 212.238334][ T4532] ? sysfs_warn_dup+0xa0/0xa0
[ 212.243051][ T4532] ? do_raw_spin_unlock+0x11d/0x230
[ 212.248288][ T4532] kobject_add_internal+0x662/0xd00
[ 212.253523][ T4532] kobject_init_and_add+0x122/0x190
[ 212.258755][ T4532] ? lockdep_softirqs_off+0x420/0x420
[ 212.264170][ T4532] ? kobject_add+0x210/0x210
[ 212.268783][ T4532] ? __init_swait_queue_head+0xa5/0x150
[ 212.274328][ T4532] gfs2_sys_fs_add+0x234/0x480
[ 212.279097][ T4532] ? gfs2_recover_set+0x240/0x240
[ 212.284148][ T4532] ? snprintf+0xd7/0x120
[ 212.288394][ T4532] ? __free_pages+0x95/0x1a0
[ 212.292984][ T4532] ? vscnprintf+0x80/0x80
[ 212.297316][ T4532] gfs2_fill_super+0x128d/0x1f50
[ 212.302343][ T4532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 212.307368][ T4532] ? preempt_count_add+0x8d/0x190
[ 212.312468][ T4532] ? sb_set_blocksize+0xa5/0xe0
[ 212.317359][ T4532] get_tree_bdev+0x3f1/0x610
[ 212.321960][ T4532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 212.326993][ T4532] gfs2_get_tree+0x4d/0x1e0
[ 212.331496][ T4532] vfs_get_tree+0x88/0x270
[ 212.335930][ T4532] do_new_mount+0x24a/0xa40
[ 212.340441][ T4532] __se_sys_mount+0x2d6/0x3c0
[ 212.345123][ T4532] ? __x64_sys_mount+0xc0/0xc0
[ 212.349899][ T4532] ? lockdep_hardirqs_on+0x94/0x140
[ 212.355103][ T4532] ? __x64_sys_mount+0x1c/0xc0
[ 212.359878][ T4532] do_syscall_64+0x4c/0xa0
[ 212.364304][ T4532] ? clear_bhb_loop+0x30/0x80
[ 212.369118][ T4532] ? clear_bhb_loop+0x30/0x80
[ 212.373820][ T4532] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 212.379983][ T4532] RIP: 0033:0x7f2bad80a38a
[ 212.384487][ T4532] 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
[ 212.404102][ T4532] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 212.412602][ T4532] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 212.420564][ T4532] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 212.428527][ T4532] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 212.436491][ T4532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 212.444455][ T4532] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 212.452427][ T4532]
[ 212.456980][ T4532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 212.470170][ T4532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.879690][ T4533] loop1: detected capacity change from 0 to 32768
[ 212.947005][ T4533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.954690][ T4533] CPU: 1 PID: 4533 Comm: syz.1.194 Not tainted 5.15.189-syzkaller #0
[ 212.962857][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 212.973052][ T4533] Call Trace:
[ 212.976360][ T4533]
[ 212.979307][ T4533] dump_stack_lvl+0x168/0x230
[ 212.984016][ T4533] ? show_regs_print_info+0x20/0x20
[ 212.989249][ T4533] ? load_image+0x3b0/0x3b0
[ 212.993792][ T4533] sysfs_create_dir_ns+0x252/0x280
[ 212.998926][ T4533] ? __lock_acquire+0x7c60/0x7c60
[ 213.003972][ T4533] ? sysfs_warn_dup+0xa0/0xa0
[ 213.008680][ T4533] ? do_raw_spin_unlock+0x11d/0x230
[ 213.013912][ T4533] kobject_add_internal+0x662/0xd00
[ 213.019236][ T4533] kobject_init_and_add+0x122/0x190
[ 213.024471][ T4533] ? lockdep_softirqs_off+0x420/0x420
[ 213.029846][ T4533] ? kobject_add+0x210/0x210
[ 213.034427][ T4533] ? __init_swait_queue_head+0xa5/0x150
[ 213.039991][ T4533] gfs2_sys_fs_add+0x234/0x480
[ 213.044796][ T4533] ? gfs2_recover_set+0x240/0x240
[ 213.049805][ T4533] ? snprintf+0xd7/0x120
[ 213.054060][ T4533] ? __free_pages+0x95/0x1a0
[ 213.058728][ T4533] ? vscnprintf+0x80/0x80
[ 213.063073][ T4533] gfs2_fill_super+0x128d/0x1f50
[ 213.068036][ T4533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.073056][ T4533] ? preempt_count_add+0x8d/0x190
[ 213.078073][ T4533] ? sb_set_blocksize+0xa5/0xe0
[ 213.082914][ T4533] get_tree_bdev+0x3f1/0x610
[ 213.087490][ T4533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.092500][ T4533] gfs2_get_tree+0x4d/0x1e0
[ 213.096993][ T4533] vfs_get_tree+0x88/0x270
[ 213.101398][ T4533] do_new_mount+0x24a/0xa40
[ 213.105896][ T4533] __se_sys_mount+0x2d6/0x3c0
[ 213.110756][ T4533] ? __x64_sys_mount+0xc0/0xc0
[ 213.115507][ T4533] ? lockdep_hardirqs_on+0x94/0x140
[ 213.120693][ T4533] ? __x64_sys_mount+0x1c/0xc0
[ 213.125457][ T4533] do_syscall_64+0x4c/0xa0
[ 213.129860][ T4533] ? clear_bhb_loop+0x30/0x80
[ 213.134521][ T4533] ? clear_bhb_loop+0x30/0x80
[ 213.139300][ T4533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.145200][ T4533] RIP: 0033:0x7f2bad80a38a
[ 213.149619][ T4533] 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
[ 213.169395][ T4533] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.177811][ T4533] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 213.185779][ T4533] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 213.193747][ T4533] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 213.201717][ T4533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 213.209703][ T4533] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 213.217784][ T4533]
[ 213.222410][ T4533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.235752][ T4533] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 13:42:37 executed programs: 180
[ 213.600462][ T4534] loop1: detected capacity change from 0 to 32768
[ 213.667996][ T4534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.676410][ T4534] CPU: 1 PID: 4534 Comm: syz.1.195 Not tainted 5.15.189-syzkaller #0
[ 213.684529][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 213.694785][ T4534] Call Trace:
[ 213.698092][ T4534]
[ 213.701043][ T4534] dump_stack_lvl+0x168/0x230
[ 213.705748][ T4534] ? show_regs_print_info+0x20/0x20
[ 213.710970][ T4534] ? load_image+0x3b0/0x3b0
[ 213.715522][ T4534] sysfs_create_dir_ns+0x252/0x280
[ 213.720659][ T4534] ? __lock_acquire+0x7c60/0x7c60
[ 213.725717][ T4534] ? sysfs_warn_dup+0xa0/0xa0
[ 213.730427][ T4534] ? do_raw_spin_unlock+0x11d/0x230
[ 213.735650][ T4534] kobject_add_internal+0x662/0xd00
[ 213.740878][ T4534] kobject_init_and_add+0x122/0x190
[ 213.746290][ T4534] ? lockdep_softirqs_off+0x420/0x420
[ 213.751798][ T4534] ? kobject_add+0x210/0x210
[ 213.756408][ T4534] ? __init_swait_queue_head+0xa5/0x150
[ 213.761979][ T4534] gfs2_sys_fs_add+0x234/0x480
[ 213.766861][ T4534] ? gfs2_recover_set+0x240/0x240
[ 213.772040][ T4534] ? snprintf+0xd7/0x120
[ 213.776468][ T4534] ? __free_pages+0x95/0x1a0
[ 213.781218][ T4534] ? vscnprintf+0x80/0x80
[ 213.785592][ T4534] gfs2_fill_super+0x128d/0x1f50
[ 213.790560][ T4534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.795598][ T4534] ? preempt_count_add+0x8d/0x190
[ 213.800657][ T4534] ? sb_set_blocksize+0xa5/0xe0
[ 213.805519][ T4534] get_tree_bdev+0x3f1/0x610
[ 213.810116][ T4534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.815133][ T4534] gfs2_get_tree+0x4d/0x1e0
[ 213.819630][ T4534] vfs_get_tree+0x88/0x270
[ 213.824047][ T4534] do_new_mount+0x24a/0xa40
[ 213.828596][ T4534] __se_sys_mount+0x2d6/0x3c0
[ 213.833287][ T4534] ? __x64_sys_mount+0xc0/0xc0
[ 213.838050][ T4534] ? lockdep_hardirqs_on+0x94/0x140
[ 213.843252][ T4534] ? __x64_sys_mount+0x1c/0xc0
[ 213.848009][ T4534] do_syscall_64+0x4c/0xa0
[ 213.852433][ T4534] ? clear_bhb_loop+0x30/0x80
[ 213.857147][ T4534] ? clear_bhb_loop+0x30/0x80
[ 213.861862][ T4534] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.867763][ T4534] RIP: 0033:0x7f2bad80a38a
[ 213.872185][ T4534] 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
[ 213.891818][ T4534] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.900252][ T4534] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 213.908216][ T4534] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 213.916186][ T4534] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 213.924325][ T4534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 213.932389][ T4534] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 213.940385][ T4534]
[ 213.944919][ T4534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.958427][ T4534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 214.309204][ T4535] loop1: detected capacity change from 0 to 32768
[ 214.363379][ T4535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 214.373245][ T4535] CPU: 0 PID: 4535 Comm: syz.1.196 Not tainted 5.15.189-syzkaller #0
[ 214.381341][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 214.391417][ T4535] Call Trace:
[ 214.394721][ T4535]
[ 214.397677][ T4535] dump_stack_lvl+0x168/0x230
[ 214.402391][ T4535] ? show_regs_print_info+0x20/0x20
[ 214.407608][ T4535] ? load_image+0x3b0/0x3b0
[ 214.412144][ T4535] sysfs_create_dir_ns+0x252/0x280
[ 214.417371][ T4535] ? __lock_acquire+0x7c60/0x7c60
[ 214.422431][ T4535] ? sysfs_warn_dup+0xa0/0xa0
[ 214.427150][ T4535] ? do_raw_spin_unlock+0x11d/0x230
[ 214.432373][ T4535] kobject_add_internal+0x662/0xd00
[ 214.437603][ T4535] kobject_init_and_add+0x122/0x190
[ 214.442913][ T4535] ? lockdep_softirqs_off+0x420/0x420
[ 214.448310][ T4535] ? kobject_add+0x210/0x210
[ 214.452918][ T4535] ? __init_swait_queue_head+0xa5/0x150
[ 214.458459][ T4535] gfs2_sys_fs_add+0x234/0x480
[ 214.463210][ T4535] ? gfs2_recover_set+0x240/0x240
[ 214.468222][ T4535] ? snprintf+0xd7/0x120
[ 214.472590][ T4535] ? __free_pages+0x95/0x1a0
[ 214.477175][ T4535] ? vscnprintf+0x80/0x80
[ 214.481590][ T4535] gfs2_fill_super+0x128d/0x1f50
[ 214.486565][ T4535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 214.491596][ T4535] ? preempt_count_add+0x8d/0x190
[ 214.496631][ T4535] ? sb_set_blocksize+0xa5/0xe0
[ 214.501481][ T4535] get_tree_bdev+0x3f1/0x610
[ 214.506066][ T4535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 214.511166][ T4535] gfs2_get_tree+0x4d/0x1e0
[ 214.515676][ T4535] vfs_get_tree+0x88/0x270
[ 214.520079][ T4535] do_new_mount+0x24a/0xa40
[ 214.524594][ T4535] __se_sys_mount+0x2d6/0x3c0
[ 214.530049][ T4535] ? __x64_sys_mount+0xc0/0xc0
[ 214.534826][ T4535] ? lockdep_hardirqs_on+0x94/0x140
[ 214.540019][ T4535] ? __x64_sys_mount+0x1c/0xc0
[ 214.544804][ T4535] do_syscall_64+0x4c/0xa0
[ 214.549301][ T4535] ? clear_bhb_loop+0x30/0x80
[ 214.553971][ T4535] ? clear_bhb_loop+0x30/0x80
[ 214.558635][ T4535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 214.564520][ T4535] RIP: 0033:0x7f2bad80a38a
[ 214.568936][ T4535] 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
[ 214.588556][ T4535] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 214.597162][ T4535] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 214.605125][ T4535] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 214.613098][ T4535] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 214.621058][ T4535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 214.629131][ T4535] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 214.637243][ T4535]
[ 214.642521][ T4535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.655726][ T4535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.034956][ T4536] loop1: detected capacity change from 0 to 32768
[ 215.098275][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.105914][ T4536] CPU: 1 PID: 4536 Comm: syz.1.197 Not tainted 5.15.189-syzkaller #0
[ 215.114029][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 215.124113][ T4536] Call Trace:
[ 215.127422][ T4536]
[ 215.130380][ T4536] dump_stack_lvl+0x168/0x230
[ 215.135190][ T4536] ? show_regs_print_info+0x20/0x20
[ 215.140424][ T4536] ? load_image+0x3b0/0x3b0
[ 215.144975][ T4536] sysfs_create_dir_ns+0x252/0x280
[ 215.150227][ T4536] ? __lock_acquire+0x7c60/0x7c60
[ 215.155282][ T4536] ? sysfs_warn_dup+0xa0/0xa0
[ 215.159998][ T4536] ? do_raw_spin_unlock+0x11d/0x230
[ 215.165224][ T4536] kobject_add_internal+0x662/0xd00
[ 215.170458][ T4536] kobject_init_and_add+0x122/0x190
[ 215.175675][ T4536] ? lockdep_softirqs_off+0x420/0x420
[ 215.181259][ T4536] ? kobject_add+0x210/0x210
[ 215.185982][ T4536] ? __init_swait_queue_head+0xa5/0x150
[ 215.191565][ T4536] gfs2_sys_fs_add+0x234/0x480
[ 215.196350][ T4536] ? gfs2_recover_set+0x240/0x240
[ 215.201371][ T4536] ? snprintf+0xd7/0x120
[ 215.205612][ T4536] ? __free_pages+0x95/0x1a0
[ 215.210193][ T4536] ? vscnprintf+0x80/0x80
[ 215.214519][ T4536] gfs2_fill_super+0x128d/0x1f50
[ 215.219456][ T4536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.224469][ T4536] ? preempt_count_add+0x8d/0x190
[ 215.229616][ T4536] ? sb_set_blocksize+0xa5/0xe0
[ 215.234501][ T4536] get_tree_bdev+0x3f1/0x610
[ 215.239095][ T4536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.244156][ T4536] gfs2_get_tree+0x4d/0x1e0
[ 215.248742][ T4536] vfs_get_tree+0x88/0x270
[ 215.253170][ T4536] do_new_mount+0x24a/0xa40
[ 215.257689][ T4536] __se_sys_mount+0x2d6/0x3c0
[ 215.262357][ T4536] ? __x64_sys_mount+0xc0/0xc0
[ 215.267110][ T4536] ? lockdep_hardirqs_on+0x94/0x140
[ 215.272302][ T4536] ? __x64_sys_mount+0x1c/0xc0
[ 215.277094][ T4536] do_syscall_64+0x4c/0xa0
[ 215.281505][ T4536] ? clear_bhb_loop+0x30/0x80
[ 215.286200][ T4536] ? clear_bhb_loop+0x30/0x80
[ 215.290866][ T4536] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 215.296797][ T4536] RIP: 0033:0x7f2bad80a38a
[ 215.301282][ T4536] 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
[ 215.321053][ T4536] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 215.329589][ T4536] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 215.337567][ T4536] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 215.345640][ T4536] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 215.353607][ T4536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 215.361614][ T4536] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 215.369587][ T4536]
[ 215.373573][ T4536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 215.387001][ T4536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.736251][ T4537] loop1: detected capacity change from 0 to 32768
[ 215.835162][ T4537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.852415][ T4537] CPU: 0 PID: 4537 Comm: syz.1.198 Not tainted 5.15.189-syzkaller #0
[ 215.861221][ T4537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 215.871315][ T4537] Call Trace:
[ 215.874626][ T4537]
[ 215.877578][ T4537] dump_stack_lvl+0x168/0x230
[ 215.882295][ T4537] ? show_regs_print_info+0x20/0x20
[ 215.887513][ T4537] ? load_image+0x3b0/0x3b0
[ 215.892053][ T4537] sysfs_create_dir_ns+0x252/0x280
[ 215.897206][ T4537] ? __lock_acquire+0x7c60/0x7c60
[ 215.902244][ T4537] ? sysfs_warn_dup+0xa0/0xa0
[ 215.906953][ T4537] ? do_raw_spin_unlock+0x11d/0x230
[ 215.912159][ T4537] kobject_add_internal+0x662/0xd00
[ 215.917397][ T4537] kobject_init_and_add+0x122/0x190
[ 215.922604][ T4537] ? lockdep_softirqs_off+0x420/0x420
[ 215.927985][ T4537] ? kobject_add+0x210/0x210
[ 215.932584][ T4537] ? __init_swait_queue_head+0xa5/0x150
[ 215.938124][ T4537] gfs2_sys_fs_add+0x234/0x480
[ 215.943062][ T4537] ? gfs2_recover_set+0x240/0x240
[ 215.948163][ T4537] ? snprintf+0xd7/0x120
[ 215.952395][ T4537] ? __free_pages+0x95/0x1a0
[ 215.956976][ T4537] ? vscnprintf+0x80/0x80
[ 215.961310][ T4537] gfs2_fill_super+0x128d/0x1f50
[ 215.966268][ T4537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.971302][ T4537] ? preempt_count_add+0x8d/0x190
[ 215.976444][ T4537] ? sb_set_blocksize+0xa5/0xe0
[ 215.981319][ T4537] get_tree_bdev+0x3f1/0x610
[ 215.985911][ T4537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.990945][ T4537] gfs2_get_tree+0x4d/0x1e0
[ 215.995450][ T4537] vfs_get_tree+0x88/0x270
[ 215.999867][ T4537] do_new_mount+0x24a/0xa40
[ 216.004382][ T4537] __se_sys_mount+0x2d6/0x3c0
[ 216.009052][ T4537] ? __x64_sys_mount+0xc0/0xc0
[ 216.013806][ T4537] ? lockdep_hardirqs_on+0x94/0x140
[ 216.019080][ T4537] ? __x64_sys_mount+0x1c/0xc0
[ 216.023835][ T4537] do_syscall_64+0x4c/0xa0
[ 216.028242][ T4537] ? clear_bhb_loop+0x30/0x80
[ 216.032905][ T4537] ? clear_bhb_loop+0x30/0x80
[ 216.037598][ T4537] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.043478][ T4537] RIP: 0033:0x7f2bad80a38a
[ 216.047991][ T4537] 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
[ 216.067660][ T4537] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.076067][ T4537] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 216.084465][ T4537] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 216.092429][ T4537] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 216.100391][ T4537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 216.108392][ T4537] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 216.116367][ T4537]
[ 216.123342][ T4537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.136514][ T4537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 216.493625][ T4538] loop1: detected capacity change from 0 to 32768
[ 216.540819][ T4538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 216.548374][ T4538] CPU: 0 PID: 4538 Comm: syz.1.199 Not tainted 5.15.189-syzkaller #0
[ 216.556628][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 216.566712][ T4538] Call Trace:
[ 216.570024][ T4538]
[ 216.572968][ T4538] dump_stack_lvl+0x168/0x230
[ 216.577683][ T4538] ? show_regs_print_info+0x20/0x20
[ 216.582914][ T4538] ? load_image+0x3b0/0x3b0
[ 216.587467][ T4538] sysfs_create_dir_ns+0x252/0x280
[ 216.592607][ T4538] ? __lock_acquire+0x7c60/0x7c60
[ 216.597657][ T4538] ? sysfs_warn_dup+0xa0/0xa0
[ 216.602380][ T4538] ? do_raw_spin_unlock+0x11d/0x230
[ 216.607690][ T4538] kobject_add_internal+0x662/0xd00
[ 216.612920][ T4538] kobject_init_and_add+0x122/0x190
[ 216.618168][ T4538] ? lockdep_softirqs_off+0x420/0x420
[ 216.623563][ T4538] ? kobject_add+0x210/0x210
[ 216.628159][ T4538] ? __init_swait_queue_head+0xa5/0x150
[ 216.633700][ T4538] gfs2_sys_fs_add+0x234/0x480
[ 216.638542][ T4538] ? gfs2_recover_set+0x240/0x240
[ 216.643555][ T4538] ? snprintf+0xd7/0x120
[ 216.647796][ T4538] ? __free_pages+0x95/0x1a0
[ 216.652378][ T4538] ? vscnprintf+0x80/0x80
[ 216.656721][ T4538] gfs2_fill_super+0x128d/0x1f50
[ 216.661659][ T4538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 216.666775][ T4538] ? preempt_count_add+0x8d/0x190
[ 216.671796][ T4538] ? sb_set_blocksize+0xa5/0xe0
[ 216.676638][ T4538] get_tree_bdev+0x3f1/0x610
[ 216.681218][ T4538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 216.686236][ T4538] gfs2_get_tree+0x4d/0x1e0
[ 216.690814][ T4538] vfs_get_tree+0x88/0x270
[ 216.695231][ T4538] do_new_mount+0x24a/0xa40
[ 216.699785][ T4538] __se_sys_mount+0x2d6/0x3c0
[ 216.704478][ T4538] ? __x64_sys_mount+0xc0/0xc0
[ 216.709242][ T4538] ? lockdep_hardirqs_on+0x94/0x140
[ 216.714434][ T4538] ? __x64_sys_mount+0x1c/0xc0
[ 216.719203][ T4538] do_syscall_64+0x4c/0xa0
[ 216.723635][ T4538] ? clear_bhb_loop+0x30/0x80
[ 216.728301][ T4538] ? clear_bhb_loop+0x30/0x80
[ 216.732966][ T4538] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.738854][ T4538] RIP: 0033:0x7f2bad80a38a
[ 216.743262][ T4538] 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
[ 216.762861][ T4538] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.771270][ T4538] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 216.779229][ T4538] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 216.787190][ T4538] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 216.795264][ T4538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 216.803658][ T4538] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 216.811745][ T4538]
[ 216.816832][ T4538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.830271][ T4538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 217.168602][ T4539] loop1: detected capacity change from 0 to 32768
[ 217.245518][ T4539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.253094][ T4539] CPU: 1 PID: 4539 Comm: syz.1.200 Not tainted 5.15.189-syzkaller #0
[ 217.261308][ T4539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 217.271413][ T4539] Call Trace:
[ 217.274725][ T4539]
[ 217.277682][ T4539] dump_stack_lvl+0x168/0x230
[ 217.282388][ T4539] ? show_regs_print_info+0x20/0x20
[ 217.287617][ T4539] ? load_image+0x3b0/0x3b0
[ 217.292174][ T4539] sysfs_create_dir_ns+0x252/0x280
[ 217.297321][ T4539] ? __lock_acquire+0x7c60/0x7c60
[ 217.302375][ T4539] ? sysfs_warn_dup+0xa0/0xa0
[ 217.307081][ T4539] ? do_raw_spin_unlock+0x11d/0x230
[ 217.312306][ T4539] kobject_add_internal+0x662/0xd00
[ 217.317726][ T4539] kobject_init_and_add+0x122/0x190
[ 217.322945][ T4539] ? lockdep_softirqs_off+0x420/0x420
[ 217.328340][ T4539] ? kobject_add+0x210/0x210
[ 217.332928][ T4539] ? __init_swait_queue_head+0xa5/0x150
[ 217.338481][ T4539] gfs2_sys_fs_add+0x234/0x480
[ 217.343252][ T4539] ? gfs2_recover_set+0x240/0x240
[ 217.348383][ T4539] ? snprintf+0xd7/0x120
[ 217.352647][ T4539] ? __free_pages+0x95/0x1a0
[ 217.357267][ T4539] ? vscnprintf+0x80/0x80
[ 217.361599][ T4539] gfs2_fill_super+0x128d/0x1f50
[ 217.366535][ T4539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 217.371550][ T4539] ? preempt_count_add+0x8d/0x190
[ 217.376574][ T4539] ? sb_set_blocksize+0xa5/0xe0
[ 217.381441][ T4539] get_tree_bdev+0x3f1/0x610
[ 217.386155][ T4539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 217.391195][ T4539] gfs2_get_tree+0x4d/0x1e0
[ 217.395698][ T4539] vfs_get_tree+0x88/0x270
[ 217.400111][ T4539] do_new_mount+0x24a/0xa40
[ 217.404612][ T4539] __se_sys_mount+0x2d6/0x3c0
[ 217.409287][ T4539] ? __x64_sys_mount+0xc0/0xc0
[ 217.414043][ T4539] ? lockdep_hardirqs_on+0x94/0x140
[ 217.419229][ T4539] ? __x64_sys_mount+0x1c/0xc0
[ 217.423981][ T4539] do_syscall_64+0x4c/0xa0
[ 217.428387][ T4539] ? clear_bhb_loop+0x30/0x80
[ 217.433052][ T4539] ? clear_bhb_loop+0x30/0x80
[ 217.437719][ T4539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.443611][ T4539] RIP: 0033:0x7f2bad80a38a
[ 217.448034][ T4539] 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
[ 217.467630][ T4539] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.476038][ T4539] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 217.484102][ T4539] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 217.492064][ T4539] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 217.500460][ T4539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 217.508423][ T4539] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 217.516412][ T4539]
[ 217.521492][ T4539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.534742][ T4539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 217.895722][ T4540] loop1: detected capacity change from 0 to 32768
[ 217.905799][ T4540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.914887][ T4540] CPU: 0 PID: 4540 Comm: syz.1.201 Not tainted 5.15.189-syzkaller #0
[ 217.923034][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 217.933117][ T4540] Call Trace:
[ 217.936426][ T4540]
[ 217.939389][ T4540] dump_stack_lvl+0x168/0x230
[ 217.944101][ T4540] ? show_regs_print_info+0x20/0x20
[ 217.949446][ T4540] ? load_image+0x3b0/0x3b0
[ 217.954135][ T4540] sysfs_create_dir_ns+0x252/0x280
[ 217.959274][ T4540] ? __lock_acquire+0x7c60/0x7c60
[ 217.964301][ T4540] ? sysfs_warn_dup+0xa0/0xa0
[ 217.968976][ T4540] ? do_raw_spin_unlock+0x11d/0x230
[ 217.974167][ T4540] kobject_add_internal+0x662/0xd00
[ 217.979371][ T4540] kobject_init_and_add+0x122/0x190
[ 217.984558][ T4540] ? lockdep_softirqs_off+0x420/0x420
[ 217.989922][ T4540] ? kobject_add+0x210/0x210
[ 217.994658][ T4540] ? __init_swait_queue_head+0xa5/0x150
[ 218.000278][ T4540] gfs2_sys_fs_add+0x234/0x480
[ 218.005052][ T4540] ? gfs2_recover_set+0x240/0x240
[ 218.010078][ T4540] ? snprintf+0xd7/0x120
[ 218.014315][ T4540] ? __free_pages+0x95/0x1a0
[ 218.018927][ T4540] ? vscnprintf+0x80/0x80
[ 218.023284][ T4540] gfs2_fill_super+0x128d/0x1f50
[ 218.028228][ T4540] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.033274][ T4540] ? preempt_count_add+0x8d/0x190
[ 218.038395][ T4540] ? sb_set_blocksize+0xa5/0xe0
[ 218.043243][ T4540] get_tree_bdev+0x3f1/0x610
[ 218.047832][ T4540] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.052859][ T4540] gfs2_get_tree+0x4d/0x1e0
[ 218.057359][ T4540] vfs_get_tree+0x88/0x270
[ 218.062005][ T4540] do_new_mount+0x24a/0xa40
[ 218.066530][ T4540] __se_sys_mount+0x2d6/0x3c0
[ 218.071228][ T4540] ? __x64_sys_mount+0xc0/0xc0
[ 218.076010][ T4540] ? lockdep_hardirqs_on+0x94/0x140
[ 218.081209][ T4540] ? __x64_sys_mount+0x1c/0xc0
[ 218.085968][ T4540] do_syscall_64+0x4c/0xa0
[ 218.090371][ T4540] ? clear_bhb_loop+0x30/0x80
[ 218.095138][ T4540] ? clear_bhb_loop+0x30/0x80
[ 218.099813][ T4540] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.105694][ T4540] RIP: 0033:0x7f2bad80a38a
[ 218.110101][ T4540] 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
[ 218.129802][ T4540] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.138294][ T4540] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 218.146451][ T4540] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 218.154516][ T4540] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 218.162481][ T4540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 218.170441][ T4540] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 218.178443][ T4540]
[ 218.189039][ T4540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.202608][ T4540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.537835][ T4541] loop1: detected capacity change from 0 to 32768
[ 218.600261][ T4541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.610194][ T4541] CPU: 1 PID: 4541 Comm: syz.1.202 Not tainted 5.15.189-syzkaller #0
[ 218.618311][ T4541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 218.628393][ T4541] Call Trace:
[ 218.632391][ T4541]
[ 218.635346][ T4541] dump_stack_lvl+0x168/0x230
[ 218.640054][ T4541] ? show_regs_print_info+0x20/0x20
[ 218.645283][ T4541] ? load_image+0x3b0/0x3b0
[ 218.649830][ T4541] sysfs_create_dir_ns+0x252/0x280
[ 218.654973][ T4541] ? __lock_acquire+0x7c60/0x7c60
[ 218.660032][ T4541] ? sysfs_warn_dup+0xa0/0xa0
[ 218.664743][ T4541] ? do_raw_spin_unlock+0x11d/0x230
[ 218.669964][ T4541] kobject_add_internal+0x662/0xd00
[ 218.675198][ T4541] kobject_init_and_add+0x122/0x190
[ 218.680425][ T4541] ? lockdep_softirqs_off+0x420/0x420
[ 218.685825][ T4541] ? kobject_add+0x210/0x210
[ 218.690441][ T4541] ? __init_swait_queue_head+0xa5/0x150
[ 218.696008][ T4541] gfs2_sys_fs_add+0x234/0x480
[ 218.700776][ T4541] ? gfs2_recover_set+0x240/0x240
[ 218.705793][ T4541] ? snprintf+0xd7/0x120
[ 218.710041][ T4541] ? __free_pages+0x95/0x1a0
[ 218.714660][ T4541] ? vscnprintf+0x80/0x80
[ 218.719011][ T4541] gfs2_fill_super+0x128d/0x1f50
[ 218.723960][ T4541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.729002][ T4541] ? preempt_count_add+0x8d/0x190
[ 218.734029][ T4541] ? sb_set_blocksize+0xa5/0xe0
[ 218.738879][ T4541] get_tree_bdev+0x3f1/0x610
[ 218.743460][ T4541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.748474][ T4541] gfs2_get_tree+0x4d/0x1e0
[ 218.752971][ T4541] vfs_get_tree+0x88/0x270
[ 218.757386][ T4541] do_new_mount+0x24a/0xa40
[ 218.761886][ T4541] __se_sys_mount+0x2d6/0x3c0
[ 218.766557][ T4541] ? __x64_sys_mount+0xc0/0xc0
[ 218.771319][ T4541] ? lockdep_hardirqs_on+0x94/0x140
[ 218.776510][ T4541] ? __x64_sys_mount+0x1c/0xc0
[ 218.781259][ T4541] do_syscall_64+0x4c/0xa0
[ 218.785666][ T4541] ? clear_bhb_loop+0x30/0x80
[ 218.790329][ T4541] ? clear_bhb_loop+0x30/0x80
[ 218.794995][ T4541] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.800880][ T4541] RIP: 0033:0x7f2bad80a38a
[ 218.805283][ T4541] 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
[ 218.824971][ T4541] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.834011][ T4541] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 218.841971][ T4541] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 218.849928][ T4541] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 218.857890][ T4541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 218.865858][ T4541] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 218.873919][ T4541]
[ 218.878491][ T4541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.892951][ T4541] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 13:42:43 executed programs: 188
[ 219.257714][ T4542] loop1: detected capacity change from 0 to 32768
[ 219.316767][ T4542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.325062][ T4542] CPU: 1 PID: 4542 Comm: syz.1.203 Not tainted 5.15.189-syzkaller #0
[ 219.333164][ T4542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 219.343244][ T4542] Call Trace:
[ 219.346548][ T4542]
[ 219.349594][ T4542] dump_stack_lvl+0x168/0x230
[ 219.354303][ T4542] ? show_regs_print_info+0x20/0x20
[ 219.359532][ T4542] ? load_image+0x3b0/0x3b0
[ 219.364080][ T4542] sysfs_create_dir_ns+0x252/0x280
[ 219.369224][ T4542] ? __lock_acquire+0x7c60/0x7c60
[ 219.374280][ T4542] ? sysfs_warn_dup+0xa0/0xa0
[ 219.378992][ T4542] ? do_raw_spin_unlock+0x11d/0x230
[ 219.384219][ T4542] kobject_add_internal+0x662/0xd00
[ 219.389454][ T4542] kobject_init_and_add+0x122/0x190
[ 219.394672][ T4542] ? lockdep_softirqs_off+0x420/0x420
[ 219.400149][ T4542] ? kobject_add+0x210/0x210
[ 219.404889][ T4542] ? __init_swait_queue_head+0xa5/0x150
[ 219.410548][ T4542] gfs2_sys_fs_add+0x234/0x480
[ 219.415323][ T4542] ? gfs2_recover_set+0x240/0x240
[ 219.420355][ T4542] ? snprintf+0xd7/0x120
[ 219.424598][ T4542] ? __free_pages+0x95/0x1a0
[ 219.429186][ T4542] ? vscnprintf+0x80/0x80
[ 219.433523][ T4542] gfs2_fill_super+0x128d/0x1f50
[ 219.438480][ T4542] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.443496][ T4542] ? preempt_count_add+0x8d/0x190
[ 219.448516][ T4542] ? sb_set_blocksize+0xa5/0xe0
[ 219.453367][ T4542] get_tree_bdev+0x3f1/0x610
[ 219.458043][ T4542] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.463070][ T4542] gfs2_get_tree+0x4d/0x1e0
[ 219.467584][ T4542] vfs_get_tree+0x88/0x270
[ 219.471996][ T4542] do_new_mount+0x24a/0xa40
[ 219.476500][ T4542] __se_sys_mount+0x2d6/0x3c0
[ 219.481173][ T4542] ? __x64_sys_mount+0xc0/0xc0
[ 219.485952][ T4542] ? lockdep_hardirqs_on+0x94/0x140
[ 219.491145][ T4542] ? __x64_sys_mount+0x1c/0xc0
[ 219.495913][ T4542] do_syscall_64+0x4c/0xa0
[ 219.500316][ T4542] ? clear_bhb_loop+0x30/0x80
[ 219.505067][ T4542] ? clear_bhb_loop+0x30/0x80
[ 219.509764][ T4542] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.515646][ T4542] RIP: 0033:0x7f2bad80a38a
[ 219.520140][ T4542] 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
[ 219.539823][ T4542] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.548231][ T4542] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 219.556225][ T4542] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 219.564224][ T4542] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 219.572199][ T4542] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 219.580165][ T4542] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 219.588140][ T4542]
[ 219.592692][ T4542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.606073][ T4542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 219.975252][ T4543] loop1: detected capacity change from 0 to 32768
[ 220.030662][ T4543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.038231][ T4543] CPU: 0 PID: 4543 Comm: syz.1.204 Not tainted 5.15.189-syzkaller #0
[ 220.046325][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 220.056603][ T4543] Call Trace:
[ 220.059998][ T4543]
[ 220.062964][ T4543] dump_stack_lvl+0x168/0x230
[ 220.067681][ T4543] ? show_regs_print_info+0x20/0x20
[ 220.072908][ T4543] ? load_image+0x3b0/0x3b0
[ 220.077457][ T4543] sysfs_create_dir_ns+0x252/0x280
[ 220.082598][ T4543] ? __lock_acquire+0x7c60/0x7c60
[ 220.087651][ T4543] ? sysfs_warn_dup+0xa0/0xa0
[ 220.092368][ T4543] ? do_raw_spin_unlock+0x11d/0x230
[ 220.097595][ T4543] kobject_add_internal+0x662/0xd00
[ 220.102826][ T4543] kobject_init_and_add+0x122/0x190
[ 220.108047][ T4543] ? lockdep_softirqs_off+0x420/0x420
[ 220.113449][ T4543] ? kobject_add+0x210/0x210
[ 220.118065][ T4543] ? __init_swait_queue_head+0xa5/0x150
[ 220.123722][ T4543] gfs2_sys_fs_add+0x234/0x480
[ 220.128528][ T4543] ? gfs2_recover_set+0x240/0x240
[ 220.133571][ T4543] ? snprintf+0xd7/0x120
[ 220.137818][ T4543] ? __free_pages+0x95/0x1a0
[ 220.142408][ T4543] ? vscnprintf+0x80/0x80
[ 220.146756][ T4543] gfs2_fill_super+0x128d/0x1f50
[ 220.151705][ T4543] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.156799][ T4543] ? preempt_count_add+0x8d/0x190
[ 220.162105][ T4543] ? sb_set_blocksize+0xa5/0xe0
[ 220.166995][ T4543] get_tree_bdev+0x3f1/0x610
[ 220.171594][ T4543] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.176625][ T4543] gfs2_get_tree+0x4d/0x1e0
[ 220.181137][ T4543] vfs_get_tree+0x88/0x270
[ 220.185572][ T4543] do_new_mount+0x24a/0xa40
[ 220.190078][ T4543] __se_sys_mount+0x2d6/0x3c0
[ 220.194859][ T4543] ? __x64_sys_mount+0xc0/0xc0
[ 220.199704][ T4543] ? lockdep_hardirqs_on+0x94/0x140
[ 220.204901][ T4543] ? __x64_sys_mount+0x1c/0xc0
[ 220.209665][ T4543] do_syscall_64+0x4c/0xa0
[ 220.214072][ T4543] ? clear_bhb_loop+0x30/0x80
[ 220.218744][ T4543] ? clear_bhb_loop+0x30/0x80
[ 220.223414][ T4543] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.229321][ T4543] RIP: 0033:0x7f2bad80a38a
[ 220.233733][ T4543] 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
[ 220.253534][ T4543] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.261962][ T4543] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 220.269950][ T4543] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 220.277945][ T4543] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 220.285924][ T4543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.294020][ T4543] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.302031][ T4543]
[ 220.314623][ T4543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.327849][ T4543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.684485][ T4544] loop1: detected capacity change from 0 to 32768
[ 220.696294][ T4544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.704708][ T4544] CPU: 0 PID: 4544 Comm: syz.1.205 Not tainted 5.15.189-syzkaller #0
[ 220.713084][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 220.723281][ T4544] Call Trace:
[ 220.726585][ T4544]
[ 220.729531][ T4544] dump_stack_lvl+0x168/0x230
[ 220.734240][ T4544] ? show_regs_print_info+0x20/0x20
[ 220.739463][ T4544] ? load_image+0x3b0/0x3b0
[ 220.743997][ T4544] sysfs_create_dir_ns+0x252/0x280
[ 220.749367][ T4544] ? __lock_acquire+0x7c60/0x7c60
[ 220.754401][ T4544] ? sysfs_warn_dup+0xa0/0xa0
[ 220.759084][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 220.764274][ T4544] kobject_add_internal+0x662/0xd00
[ 220.769551][ T4544] kobject_init_and_add+0x122/0x190
[ 220.774784][ T4544] ? lockdep_softirqs_off+0x420/0x420
[ 220.780150][ T4544] ? kobject_add+0x210/0x210
[ 220.784792][ T4544] ? __init_swait_queue_head+0xa5/0x150
[ 220.790331][ T4544] gfs2_sys_fs_add+0x234/0x480
[ 220.795083][ T4544] ? gfs2_recover_set+0x240/0x240
[ 220.800713][ T4544] ? snprintf+0xd7/0x120
[ 220.804976][ T4544] ? __free_pages+0x95/0x1a0
[ 220.809561][ T4544] ? vscnprintf+0x80/0x80
[ 220.813896][ T4544] gfs2_fill_super+0x128d/0x1f50
[ 220.818860][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.824003][ T4544] ? preempt_count_add+0x8d/0x190
[ 220.829035][ T4544] ? sb_set_blocksize+0xa5/0xe0
[ 220.833889][ T4544] get_tree_bdev+0x3f1/0x610
[ 220.838480][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.843686][ T4544] gfs2_get_tree+0x4d/0x1e0
[ 220.848225][ T4544] vfs_get_tree+0x88/0x270
[ 220.852816][ T4544] do_new_mount+0x24a/0xa40
[ 220.857358][ T4544] __se_sys_mount+0x2d6/0x3c0
[ 220.862193][ T4544] ? __x64_sys_mount+0xc0/0xc0
[ 220.866957][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 220.872260][ T4544] ? __x64_sys_mount+0x1c/0xc0
[ 220.877218][ T4544] do_syscall_64+0x4c/0xa0
[ 220.881872][ T4544] ? clear_bhb_loop+0x30/0x80
[ 220.886559][ T4544] ? clear_bhb_loop+0x30/0x80
[ 220.891302][ T4544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.897195][ T4544] RIP: 0033:0x7f2bad80a38a
[ 220.901622][ T4544] 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
[ 220.921332][ T4544] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.930436][ T4544] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 220.938398][ T4544] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 220.946374][ T4544] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 220.954338][ T4544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.962302][ T4544] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.970292][ T4544]
[ 220.975099][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.988524][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.344108][ T4545] loop1: detected capacity change from 0 to 32768
[ 221.390955][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.398575][ T4545] CPU: 0 PID: 4545 Comm: syz.1.206 Not tainted 5.15.189-syzkaller #0
[ 221.406675][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 221.416767][ T4545] Call Trace:
[ 221.420157][ T4545]
[ 221.423120][ T4545] dump_stack_lvl+0x168/0x230
[ 221.427828][ T4545] ? show_regs_print_info+0x20/0x20
[ 221.433141][ T4545] ? load_image+0x3b0/0x3b0
[ 221.437686][ T4545] sysfs_create_dir_ns+0x252/0x280
[ 221.442912][ T4545] ? __lock_acquire+0x7c60/0x7c60
[ 221.447984][ T4545] ? sysfs_warn_dup+0xa0/0xa0
[ 221.452694][ T4545] ? do_raw_spin_unlock+0x11d/0x230
[ 221.457922][ T4545] kobject_add_internal+0x662/0xd00
[ 221.463169][ T4545] kobject_init_and_add+0x122/0x190
[ 221.468411][ T4545] ? lockdep_softirqs_off+0x420/0x420
[ 221.473822][ T4545] ? kobject_add+0x210/0x210
[ 221.478443][ T4545] ? __init_swait_queue_head+0xa5/0x150
[ 221.484011][ T4545] gfs2_sys_fs_add+0x234/0x480
[ 221.488859][ T4545] ? gfs2_recover_set+0x240/0x240
[ 221.494050][ T4545] ? snprintf+0xd7/0x120
[ 221.498296][ T4545] ? __free_pages+0x95/0x1a0
[ 221.502892][ T4545] ? vscnprintf+0x80/0x80
[ 221.507245][ T4545] gfs2_fill_super+0x128d/0x1f50
[ 221.512185][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.517198][ T4545] ? preempt_count_add+0x8d/0x190
[ 221.522366][ T4545] ? sb_set_blocksize+0xa5/0xe0
[ 221.527227][ T4545] get_tree_bdev+0x3f1/0x610
[ 221.531825][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.536870][ T4545] gfs2_get_tree+0x4d/0x1e0
[ 221.541455][ T4545] vfs_get_tree+0x88/0x270
[ 221.545864][ T4545] do_new_mount+0x24a/0xa40
[ 221.550389][ T4545] __se_sys_mount+0x2d6/0x3c0
[ 221.555060][ T4545] ? __x64_sys_mount+0xc0/0xc0
[ 221.559825][ T4545] ? lockdep_hardirqs_on+0x94/0x140
[ 221.565053][ T4545] ? __x64_sys_mount+0x1c/0xc0
[ 221.569823][ T4545] do_syscall_64+0x4c/0xa0
[ 221.574238][ T4545] ? clear_bhb_loop+0x30/0x80
[ 221.578993][ T4545] ? clear_bhb_loop+0x30/0x80
[ 221.583661][ T4545] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.589555][ T4545] RIP: 0033:0x7f2bad80a38a
[ 221.593962][ T4545] 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
[ 221.613730][ T4545] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.622787][ T4545] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 221.630837][ T4545] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 221.638815][ T4545] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 221.646782][ T4545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.654762][ T4545] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.662743][ T4545]
[ 221.671476][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.684881][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.039754][ T4547] loop1: detected capacity change from 0 to 32768
[ 222.123871][ T4547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.131854][ T4547] CPU: 0 PID: 4547 Comm: syz.1.207 Not tainted 5.15.189-syzkaller #0
[ 222.139961][ T4547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 222.150037][ T4547] Call Trace:
[ 222.153343][ T4547]
[ 222.156296][ T4547] dump_stack_lvl+0x168/0x230
[ 222.161179][ T4547] ? show_regs_print_info+0x20/0x20
[ 222.166399][ T4547] ? load_image+0x3b0/0x3b0
[ 222.170940][ T4547] sysfs_create_dir_ns+0x252/0x280
[ 222.176085][ T4547] ? __lock_acquire+0x7c60/0x7c60
[ 222.181168][ T4547] ? sysfs_warn_dup+0xa0/0xa0
[ 222.185875][ T4547] ? do_raw_spin_unlock+0x11d/0x230
[ 222.191113][ T4547] kobject_add_internal+0x662/0xd00
[ 222.196335][ T4547] kobject_init_and_add+0x122/0x190
[ 222.201524][ T4547] ? lockdep_softirqs_off+0x420/0x420
[ 222.206977][ T4547] ? kobject_add+0x210/0x210
[ 222.211562][ T4547] ? __init_swait_queue_head+0xa5/0x150
[ 222.217132][ T4547] gfs2_sys_fs_add+0x234/0x480
[ 222.221902][ T4547] ? gfs2_recover_set+0x240/0x240
[ 222.226930][ T4547] ? snprintf+0xd7/0x120
[ 222.231177][ T4547] ? __free_pages+0x95/0x1a0
[ 222.235787][ T4547] ? vscnprintf+0x80/0x80
[ 222.240123][ T4547] gfs2_fill_super+0x128d/0x1f50
[ 222.245061][ T4547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.250084][ T4547] ? preempt_count_add+0x8d/0x190
[ 222.255119][ T4547] ? sb_set_blocksize+0xa5/0xe0
[ 222.259987][ T4547] get_tree_bdev+0x3f1/0x610
[ 222.264580][ T4547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.269600][ T4547] gfs2_get_tree+0x4d/0x1e0
[ 222.274106][ T4547] vfs_get_tree+0x88/0x270
[ 222.278514][ T4547] do_new_mount+0x24a/0xa40
[ 222.283009][ T4547] __se_sys_mount+0x2d6/0x3c0
[ 222.287682][ T4547] ? __x64_sys_mount+0xc0/0xc0
[ 222.292442][ T4547] ? lockdep_hardirqs_on+0x94/0x140
[ 222.297644][ T4547] ? __x64_sys_mount+0x1c/0xc0
[ 222.302410][ T4547] do_syscall_64+0x4c/0xa0
[ 222.306911][ T4547] ? clear_bhb_loop+0x30/0x80
[ 222.311593][ T4547] ? clear_bhb_loop+0x30/0x80
[ 222.316262][ T4547] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.322151][ T4547] RIP: 0033:0x7f2bad80a38a
[ 222.326557][ T4547] 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
[ 222.346213][ T4547] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.354845][ T4547] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 222.362824][ T4547] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 222.370794][ T4547] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 222.378770][ T4547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.386769][ T4547] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.394765][ T4547]
[ 222.399314][ T4547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.414922][ T4547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.481341][ T27] INFO: task syz.0.17:4323 blocked for more than 143 seconds.
[ 222.508945][ T27] Not tainted 5.15.189-syzkaller #0
[ 222.517595][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 222.526414][ T27] task:syz.0.17 state:D stack:23392 pid: 4323 ppid: 4305 flags:0x00004004
[ 222.538152][ T27] Call Trace:
[ 222.541509][ T27]
[ 222.544594][ T27] __schedule+0x11b8/0x43b0
[ 222.549238][ T27] ? mark_lock+0x94/0x320
[ 222.559855][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 222.566313][ T27] ? lock_chain_count+0x20/0x20
[ 222.571684][ T27] ? release_firmware_map_entry+0x190/0x190
[ 222.577610][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 222.583360][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 222.589286][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 222.594949][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 222.600877][ T27] schedule+0x11b/0x1e0
[ 222.605478][ T27] bit_wait+0xd/0xc0
[ 222.609399][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 222.616004][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 222.622374][ T27] ? __wait_on_bit+0x170/0x170
[ 222.628848][ T27] ? bit_waitqueue+0x30/0x30
[ 222.633920][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 222.638649][ T27] gfs2_statfs_init+0xf9/0x490
[ 222.643767][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 222.648729][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 222.654501][ T27] ? init_per_node+0x2be/0x3d0
[ 222.659776][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 222.665179][ T27] ? init_inodes+0x26a/0x320
[ 222.669800][ T27] gfs2_fill_super+0x1749/0x1f50
[ 222.677477][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.682844][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 222.687898][ T27] ? preempt_count_add+0x8d/0x190
[ 222.695642][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 222.700520][ T27] get_tree_bdev+0x3f1/0x610
[ 222.705436][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.710480][ T27] gfs2_get_tree+0x4d/0x1e0
[ 222.717614][ T27] vfs_get_tree+0x88/0x270
[ 222.722924][ T27] do_new_mount+0x24a/0xa40
[ 222.727467][ T27] __se_sys_mount+0x2d6/0x3c0
[ 222.732651][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 222.737454][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 222.743031][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 222.747827][ T27] do_syscall_64+0x4c/0xa0
[ 222.752678][ T27] ? clear_bhb_loop+0x30/0x80
[ 222.757386][ T27] ? clear_bhb_loop+0x30/0x80
[ 222.762903][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.769024][ T27] RIP: 0033:0x7f579b33b38a
[ 222.773881][ T27] RSP: 002b:00007fffc49f6d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.782618][ T27] RAX: ffffffffffffffda RBX: 00007fffc49f6db0 RCX: 00007f579b33b38a
[ 222.790617][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fffc49f6d70
[ 222.799092][ T27] RBP: 0000200000000400 R08: 00007fffc49f6db0 R09: 0000000000000000
[ 222.807409][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.815815][ T27] R13: 00007fffc49f6d70 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.824170][ T27]
[ 222.827370][ T27]
[ 222.827370][ T27] Showing all locks held in the system:
[ 222.836383][ T27] 1 lock held by khungtaskd/27:
[ 222.841579][ T27] #0: ffffffff8c11c360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 222.850981][ T27] 2 locks held by getty/3950:
[ 222.857065][ T27] #0: ffff88802b9e4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 222.867589][ T27] #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 222.878150][ T27] 1 lock held by syz.0.17/4323:
[ 222.883379][ T27] #0: ffff88802973c0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 222.893837][ T27] 1 lock held by syz.1.208/4548:
[ 222.898863][ T27]
[ 222.901628][ T27] =============================================
[ 222.901628][ T27]
[ 222.903088][ T4548] loop1: detected capacity change from 0 to 32768
[ 222.910127][ T27] NMI backtrace for cpu 0
[ 222.910140][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 222.910159][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 222.938964][ T27] Call Trace:
[ 222.942246][ T27]
[ 222.945175][ T27] dump_stack_lvl+0x168/0x230
[ 222.949858][ T27] ? show_regs_print_info+0x20/0x20
[ 222.955056][ T27] ? load_image+0x3b0/0x3b0
[ 222.959558][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 222.964790][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 222.969729][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 222.975885][ T27] ? _printk+0xcc/0x110
[ 222.980173][ T27] ? load_image+0x3b0/0x3b0
[ 222.984678][ T27] ? load_image+0x3b0/0x3b0
[ 222.989195][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 222.995285][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 223.001286][ T27] watchdog+0xe0f/0xe50
[ 223.005454][ T27] kthread+0x436/0x520
[ 223.009519][ T27] ? hungtask_pm_notify+0x40/0x40
[ 223.014539][ T27] ? kthread_blkcg+0xd0/0xd0
[ 223.019128][ T27] ret_from_fork+0x1f/0x30
[ 223.023556][ T27]
[ 223.027095][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 223.032458][ C1] NMI backtrace for cpu 1
[ 223.032471][ C1] CPU: 1 PID: 449 Comm: kworker/u4:3 Not tainted 5.15.189-syzkaller #0
[ 223.032488][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 223.032497][ C1] Workqueue: bat_events batadv_nc_worker
[ 223.032520][ C1] RIP: 0010:__lock_acquire+0x235/0x7c60
[ 223.032542][ C1] Code: 4f 8d 3c a4 41 83 fc 30 0f 87 77 65 00 00 4f 8d 74 fe f8 4c 89 f0 48 c1 e8 03 42 0f b6 04 00 84 c0 0f 85 e7 65 00 00 4c 89 e0 <48> 83 7d 10 00 0f 84 fe 00 00 00 45 8b 3e 44 89 f9 81 e1 ff 1f 00
[ 223.032555][ C1] RSP: 0018:ffffc90002f7f820 EFLAGS: 00000046
[ 223.032568][ C1] RAX: 0000000000000002 RBX: ffffffff8c11c360 RCX: ffffffff960bdf03
[ 223.032579][ C1] RDX: 0000000000000015 RSI: 0000000000000000 RDI: ffffffff8c11c360
[ 223.032589][ C1] RBP: ffffc90002f7fa70 R08: dffffc0000000000 R09: 0000000000000000
[ 223.032600][ C1] R10: fffffbfff1ad2dd6 R11: 1ffffffff1ad2dd5 R12: 0000000000000002
[ 223.032610][ C1] R13: 0000000000000000 R14: ffff88801e4728f8 R15: 000000000000000a
[ 223.032620][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 223.032632][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 223.032643][ C1] CR2: 00007f5f9f45f000 CR3: 000000007dd51000 CR4: 00000000003506e0
[ 223.032658][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 223.032667][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 223.032676][ C1] Call Trace:
[ 223.032682][ C1]
[ 223.032690][ C1] ? mark_lock+0x94/0x320
[ 223.032712][ C1] ? verify_lock_unused+0x140/0x140
[ 223.032739][ C1] ? verify_lock_unused+0x140/0x140
[ 223.032758][ C1] lock_acquire+0x197/0x3f0
[ 223.032773][ C1] ? rcu_lock_acquire+0x5/0x30
[ 223.032791][ C1] ? rcu_lock_release+0x5/0x20
[ 223.032806][ C1] ? read_lock_is_recursive+0x10/0x10
[ 223.032831][ C1] ? __lock_acquire+0x7c60/0x7c60
[ 223.032846][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 223.032864][ C1] rcu_lock_acquire+0x2a/0x30
[ 223.032879][ C1] ? rcu_lock_acquire+0x5/0x30
[ 223.032893][ C1] batadv_nc_worker+0xc9/0x5c0
[ 223.032911][ C1] process_one_work+0x863/0x1000
[ 223.032930][ C1] ? worker_detach_from_pool+0x240/0x240
[ 223.032944][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 223.032960][ C1] ? _raw_spin_lock_irq+0xab/0xe0
[ 223.032976][ C1] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 223.032992][ C1] ? wq_worker_running+0x97/0x170
[ 223.033006][ C1] worker_thread+0xaa8/0x12a0
[ 223.033020][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 223.033036][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 223.033051][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 223.033065][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 223.033084][ C1] kthread+0x436/0x520
[ 223.033097][ C1] ? rcu_lock_release+0x20/0x20
[ 223.033109][ C1] ? kthread_blkcg+0xd0/0xd0
[ 223.033123][ C1] ret_from_fork+0x1f/0x30
[ 223.033142][ C1]
[ 223.035184][ T4548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.088625][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 223.098351][ T4548] CPU: 1 PID: 4548 Comm: syz.1.208 Not tainted 5.15.189-syzkaller #0
[ 223.341908][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 223.351964][ T4548] Call Trace:
[ 223.355256][ T4548]
[ 223.358187][ T4548] dump_stack_lvl+0x168/0x230
[ 223.362874][ T4548] ? show_regs_print_info+0x20/0x20
[ 223.368113][ T4548] ? load_image+0x3b0/0x3b0
[ 223.372626][ T4548] sysfs_create_dir_ns+0x252/0x280
[ 223.377752][ T4548] ? __lock_acquire+0x7c60/0x7c60
[ 223.382778][ T4548] ? sysfs_warn_dup+0xa0/0xa0
[ 223.387546][ T4548] ? do_raw_spin_unlock+0x11d/0x230
[ 223.392747][ T4548] kobject_add_internal+0x662/0xd00
[ 223.397954][ T4548] kobject_init_and_add+0x122/0x190
[ 223.403328][ T4548] ? lockdep_softirqs_off+0x420/0x420
[ 223.408701][ T4548] ? kobject_add+0x210/0x210
[ 223.413298][ T4548] ? __init_swait_queue_head+0xa5/0x150
[ 223.418933][ T4548] gfs2_sys_fs_add+0x234/0x480
[ 223.423700][ T4548] ? gfs2_recover_set+0x240/0x240
[ 223.428904][ T4548] ? snprintf+0xd7/0x120
[ 223.433154][ T4548] ? __free_pages+0x95/0x1a0
[ 223.437799][ T4548] ? vscnprintf+0x80/0x80
[ 223.442134][ T4548] gfs2_fill_super+0x128d/0x1f50
[ 223.447084][ T4548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.452109][ T4548] ? preempt_count_add+0x8d/0x190
[ 223.457157][ T4548] ? sb_set_blocksize+0xa5/0xe0
[ 223.462006][ T4548] get_tree_bdev+0x3f1/0x610
[ 223.466607][ T4548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.471629][ T4548] gfs2_get_tree+0x4d/0x1e0
[ 223.476135][ T4548] vfs_get_tree+0x88/0x270
[ 223.480550][ T4548] do_new_mount+0x24a/0xa40
[ 223.485092][ T4548] __se_sys_mount+0x2d6/0x3c0
[ 223.489770][ T4548] ? __x64_sys_mount+0xc0/0xc0
[ 223.494532][ T4548] ? lockdep_hardirqs_on+0x94/0x140
[ 223.499733][ T4548] ? __x64_sys_mount+0x1c/0xc0
[ 223.504494][ T4548] do_syscall_64+0x4c/0xa0
[ 223.508912][ T4548] ? clear_bhb_loop+0x30/0x80
[ 223.513593][ T4548] ? clear_bhb_loop+0x30/0x80
[ 223.518266][ T4548] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.524163][ T4548] RIP: 0033:0x7f2bad80a38a
[ 223.528588][ T4548] 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
[ 223.548277][ T4548] RSP: 002b:00007ffe019b3fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.556698][ T4548] RAX: ffffffffffffffda RBX: 00007ffe019b4070 RCX: 00007f2bad80a38a
[ 223.564672][ T4548] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe019b4030
[ 223.572737][ T4548] RBP: 0000200000000400 R08: 00007ffe019b4070 R09: 0000000000000000
[ 223.580794][ T4548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.588770][ T4548] R13: 00007ffe019b4030 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.596769][ T4548]
[ 223.599785][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 223.604763][ T4548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.607779][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
[ 223.607795][ T27] Call Trace:
[ 223.607802][ T27]
[ 223.607811][ T27] dump_stack_lvl+0x168/0x230
[ 223.622167][ T4548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.631064][ T27] ? show_regs_print_info+0x20/0x20
[ 223.631094][ T27] ? load_image+0x3b0/0x3b0
[ 223.631124][ T27] panic+0x2c9/0x7f0
[ 223.631142][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 223.631166][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 223.631190][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 223.631217][ T27] watchdog+0xe4e/0xe50
[ 223.631246][ T27] kthread+0x436/0x520
[ 223.631263][ T27] ? hungtask_pm_notify+0x40/0x40
[ 223.631281][ T27] ? kthread_blkcg+0xd0/0xd0
[ 223.631300][ T27] ret_from_fork+0x1f/0x30
[ 223.700898][ T27]
[ 223.704108][ T27] Kernel Offset: disabled
[ 223.708429][ T27] Rebooting in 86400 seconds..