20
[ 262.179334][ T4758] ? load_image+0x3b0/0x3b0
[ 262.183877][ T4758] sysfs_create_dir_ns+0x252/0x280
[ 262.189022][ T4758] ? __lock_acquire+0x7c60/0x7c60
[ 262.194085][ T4758] ? sysfs_warn_dup+0xa0/0xa0
[ 262.198806][ T4758] ? do_raw_spin_unlock+0x11d/0x230
[ 262.204042][ T4758] kobject_add_internal+0x662/0xd00
[ 262.209363][ T4758] kobject_init_and_add+0x122/0x190
[ 262.214679][ T4758] ? lockdep_softirqs_off+0x420/0x420
[ 262.220086][ T4758] ? kobject_add+0x210/0x210
[ 262.224713][ T4758] ? __init_swait_queue_head+0xa5/0x150
[ 262.230290][ T4758] gfs2_sys_fs_add+0x234/0x480
[ 262.235081][ T4758] ? gfs2_recover_set+0x240/0x240
[ 262.240126][ T4758] ? snprintf+0xd7/0x120
[ 262.244381][ T4758] ? __free_pages+0x95/0x1a0
[ 262.248983][ T4758] ? vscnprintf+0x80/0x80
[ 262.253321][ T4758] gfs2_fill_super+0x128d/0x1f50
[ 262.258279][ T4758] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.263333][ T4758] ? preempt_count_add+0x8d/0x190
[ 262.268393][ T4758] ? sb_set_blocksize+0xa5/0xe0
[ 262.273259][ T4758] get_tree_bdev+0x3f1/0x610
[ 262.277866][ T4758] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.283328][ T4758] gfs2_get_tree+0x4d/0x1e0
[ 262.287839][ T4758] vfs_get_tree+0x88/0x270
[ 262.292259][ T4758] do_new_mount+0x24a/0xa40
[ 262.296771][ T4758] __se_sys_mount+0x2d6/0x3c0
[ 262.301464][ T4758] ? __x64_sys_mount+0xc0/0xc0
[ 262.306244][ T4758] ? lockdep_hardirqs_on+0x94/0x140
[ 262.311465][ T4758] ? __x64_sys_mount+0x1c/0xc0
[ 262.316241][ T4758] do_syscall_64+0x4c/0xa0
[ 262.320659][ T4758] ? clear_bhb_loop+0x30/0x80
[ 262.325336][ T4758] ? clear_bhb_loop+0x30/0x80
[ 262.330188][ T4758] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.336102][ T4758] RIP: 0033:0x7f7aa466f76a
[ 262.340524][ T4758] 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
[ 262.360480][ T4758] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.368900][ T4758] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 262.376871][ T4758] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 262.384931][ T4758] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 262.392900][ T4758] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 262.400870][ T4758] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 262.408854][ T4758]
[ 262.414335][ T4758] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.427798][ T4758] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.817332][ T4759] loop1: detected capacity change from 0 to 32768
[ 262.862396][ T4759] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.871131][ T4759] CPU: 1 PID: 4759 Comm: syz.1.156 Not tainted syzkaller #0
[ 262.878471][ T4759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 262.888556][ T4759] Call Trace:
[ 262.891873][ T4759]
[ 262.894835][ T4759] dump_stack_lvl+0x168/0x230
[ 262.899559][ T4759] ? show_regs_print_info+0x20/0x20
[ 262.904801][ T4759] ? load_image+0x3b0/0x3b0
[ 262.909358][ T4759] sysfs_create_dir_ns+0x252/0x280
[ 262.914513][ T4759] ? __lock_acquire+0x7c60/0x7c60
[ 262.919571][ T4759] ? sysfs_warn_dup+0xa0/0xa0
[ 262.924302][ T4759] ? do_raw_spin_unlock+0x11d/0x230
[ 262.929542][ T4759] kobject_add_internal+0x662/0xd00
[ 262.934784][ T4759] kobject_init_and_add+0x122/0x190
[ 262.940018][ T4759] ? lockdep_softirqs_off+0x420/0x420
[ 262.945439][ T4759] ? kobject_add+0x210/0x210
[ 262.950067][ T4759] ? __init_swait_queue_head+0xa5/0x150
[ 262.955652][ T4759] gfs2_sys_fs_add+0x234/0x480
[ 262.960539][ T4759] ? gfs2_recover_set+0x240/0x240
[ 262.965593][ T4759] ? snprintf+0xd7/0x120
[ 262.969868][ T4759] ? __free_pages+0x95/0x1a0
[ 262.974492][ T4759] ? vscnprintf+0x80/0x80
[ 262.978862][ T4759] gfs2_fill_super+0x128d/0x1f50
[ 262.983914][ T4759] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.988942][ T4759] ? preempt_count_add+0x8d/0x190
[ 262.993974][ T4759] ? sb_set_blocksize+0xa5/0xe0
[ 262.998823][ T4759] get_tree_bdev+0x3f1/0x610
[ 263.003419][ T4759] ? gfs2_reconfigure+0xcd0/0xcd0
[ 263.008548][ T4759] gfs2_get_tree+0x4d/0x1e0
[ 263.013108][ T4759] vfs_get_tree+0x88/0x270
[ 263.017618][ T4759] do_new_mount+0x24a/0xa40
[ 263.022130][ T4759] __se_sys_mount+0x2d6/0x3c0
[ 263.026810][ T4759] ? __x64_sys_mount+0xc0/0xc0
[ 263.031580][ T4759] ? lockdep_hardirqs_on+0x94/0x140
[ 263.036781][ T4759] ? __x64_sys_mount+0x1c/0xc0
[ 263.041549][ T4759] do_syscall_64+0x4c/0xa0
[ 263.045967][ T4759] ? clear_bhb_loop+0x30/0x80
[ 263.050659][ T4759] ? clear_bhb_loop+0x30/0x80
[ 263.055425][ T4759] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 263.061357][ T4759] RIP: 0033:0x7f7aa466f76a
[ 263.065777][ T4759] 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
[ 263.085391][ T4759] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.093813][ T4759] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 263.101794][ T4759] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 263.109780][ T4759] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 263.117861][ T4759] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 263.125841][ T4759] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 263.133835][ T4759]
[ 263.137467][ T4759] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.150744][ T4759] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.531379][ T4760] loop1: detected capacity change from 0 to 32768
[ 263.595514][ T4760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.602941][ T4760] CPU: 1 PID: 4760 Comm: syz.1.157 Not tainted syzkaller #0
[ 263.610252][ T4760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 263.620342][ T4760] Call Trace:
[ 263.623667][ T4760]
[ 263.626625][ T4760] dump_stack_lvl+0x168/0x230
[ 263.631341][ T4760] ? show_regs_print_info+0x20/0x20
[ 263.636588][ T4760] ? load_image+0x3b0/0x3b0
[ 263.641143][ T4760] sysfs_create_dir_ns+0x252/0x280
[ 263.646498][ T4760] ? __lock_acquire+0x7c60/0x7c60
[ 263.651557][ T4760] ? sysfs_warn_dup+0xa0/0xa0
[ 263.656267][ T4760] ? do_raw_spin_unlock+0x11d/0x230
[ 263.661501][ T4760] kobject_add_internal+0x662/0xd00
[ 263.666745][ T4760] kobject_init_and_add+0x122/0x190
[ 263.671975][ T4760] ? lockdep_softirqs_off+0x420/0x420
[ 263.677392][ T4760] ? kobject_add+0x210/0x210
[ 263.682015][ T4760] ? __init_swait_queue_head+0xa5/0x150
[ 263.687599][ T4760] gfs2_sys_fs_add+0x234/0x480
[ 263.692392][ T4760] ? gfs2_recover_set+0x240/0x240
[ 263.697458][ T4760] ? snprintf+0xd7/0x120
[ 263.701725][ T4760] ? __free_pages+0x95/0x1a0
[ 263.706348][ T4760] ? vscnprintf+0x80/0x80
[ 263.710738][ T4760] gfs2_fill_super+0x128d/0x1f50
[ 263.715696][ T4760] ? gfs2_reconfigure+0xcd0/0xcd0
[ 263.720727][ T4760] ? preempt_count_add+0x8d/0x190
[ 263.725771][ T4760] ? sb_set_blocksize+0xa5/0xe0
[ 263.730645][ T4760] get_tree_bdev+0x3f1/0x610
[ 263.735244][ T4760] ? gfs2_reconfigure+0xcd0/0xcd0
[ 263.740283][ T4760] gfs2_get_tree+0x4d/0x1e0
[ 263.744800][ T4760] vfs_get_tree+0x88/0x270
[ 263.749322][ T4760] do_new_mount+0x24a/0xa40
[ 263.753857][ T4760] __se_sys_mount+0x2d6/0x3c0
[ 263.758537][ T4760] ? __x64_sys_mount+0xc0/0xc0
[ 263.763388][ T4760] ? lockdep_hardirqs_on+0x94/0x140
[ 263.768584][ T4760] ? __x64_sys_mount+0x1c/0xc0
[ 263.773363][ T4760] do_syscall_64+0x4c/0xa0
[ 263.777797][ T4760] ? clear_bhb_loop+0x30/0x80
[ 263.782476][ T4760] ? clear_bhb_loop+0x30/0x80
[ 263.787170][ T4760] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 263.793093][ T4760] RIP: 0033:0x7f7aa466f76a
[ 263.797507][ T4760] 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
[ 263.817112][ T4760] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.825538][ T4760] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 263.833514][ T4760] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 263.841493][ T4760] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 263.849471][ T4760] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 263.857449][ T4760] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 263.865532][ T4760]
[ 263.869077][ T4760] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.882486][ T4760] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.272285][ T4761] loop1: detected capacity change from 0 to 32768
[ 264.346458][ T4761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.353894][ T4761] CPU: 1 PID: 4761 Comm: syz.1.158 Not tainted syzkaller #0
[ 264.361213][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 264.371294][ T4761] Call Trace:
[ 264.374601][ T4761]
[ 264.377559][ T4761] dump_stack_lvl+0x168/0x230
[ 264.382278][ T4761] ? show_regs_print_info+0x20/0x20
[ 264.387514][ T4761] ? load_image+0x3b0/0x3b0
[ 264.392071][ T4761] sysfs_create_dir_ns+0x252/0x280
[ 264.397226][ T4761] ? __lock_acquire+0x7c60/0x7c60
[ 264.402287][ T4761] ? sysfs_warn_dup+0xa0/0xa0
[ 264.407002][ T4761] ? do_raw_spin_unlock+0x11d/0x230
[ 264.412235][ T4761] kobject_add_internal+0x662/0xd00
[ 264.417463][ T4761] kobject_init_and_add+0x122/0x190
[ 264.422687][ T4761] ? lockdep_softirqs_off+0x420/0x420
[ 264.428097][ T4761] ? kobject_add+0x210/0x210
[ 264.432699][ T4761] ? __init_swait_queue_head+0xa5/0x150
[ 264.438253][ T4761] gfs2_sys_fs_add+0x234/0x480
[ 264.443055][ T4761] ? gfs2_recover_set+0x240/0x240
[ 264.448085][ T4761] ? snprintf+0xd7/0x120
[ 264.452333][ T4761] ? __free_pages+0x95/0x1a0
[ 264.456924][ T4761] ? vscnprintf+0x80/0x80
[ 264.461261][ T4761] gfs2_fill_super+0x128d/0x1f50
[ 264.466209][ T4761] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.471259][ T4761] ? preempt_count_add+0x8d/0x190
[ 264.476300][ T4761] ? sb_set_blocksize+0xa5/0xe0
[ 264.481177][ T4761] get_tree_bdev+0x3f1/0x610
[ 264.485772][ T4761] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.490796][ T4761] gfs2_get_tree+0x4d/0x1e0
[ 264.495305][ T4761] vfs_get_tree+0x88/0x270
[ 264.499831][ T4761] do_new_mount+0x24a/0xa40
[ 264.504352][ T4761] __se_sys_mount+0x2d6/0x3c0
[ 264.509061][ T4761] ? __x64_sys_mount+0xc0/0xc0
[ 264.513829][ T4761] ? lockdep_hardirqs_on+0x94/0x140
[ 264.519028][ T4761] ? __x64_sys_mount+0x1c/0xc0
[ 264.523801][ T4761] do_syscall_64+0x4c/0xa0
[ 264.528238][ T4761] ? clear_bhb_loop+0x30/0x80
[ 264.532915][ T4761] ? clear_bhb_loop+0x30/0x80
[ 264.537594][ T4761] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.543496][ T4761] RIP: 0033:0x7f7aa466f76a
[ 264.547915][ T4761] 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
[ 264.567527][ T4761] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.575955][ T4761] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 264.583948][ T4761] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 264.591929][ T4761] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 264.599917][ T4761] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 264.607896][ T4761] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 264.615901][ T4761]
[ 264.623617][ T4761] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.637455][ T4761] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 17:36:22 executed programs: 144
[ 265.015759][ T4762] loop1: detected capacity change from 0 to 32768
[ 265.072413][ T4762] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.083822][ T4762] CPU: 0 PID: 4762 Comm: syz.1.159 Not tainted syzkaller #0
[ 265.091248][ T4762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 265.101354][ T4762] Call Trace:
[ 265.104657][ T4762]
[ 265.107623][ T4762] dump_stack_lvl+0x168/0x230
[ 265.112430][ T4762] ? show_regs_print_info+0x20/0x20
[ 265.117665][ T4762] ? load_image+0x3b0/0x3b0
[ 265.122208][ T4762] sysfs_create_dir_ns+0x252/0x280
[ 265.127353][ T4762] ? __lock_acquire+0x7c60/0x7c60
[ 265.132415][ T4762] ? sysfs_warn_dup+0xa0/0xa0
[ 265.137129][ T4762] ? do_raw_spin_unlock+0x11d/0x230
[ 265.142362][ T4762] kobject_add_internal+0x662/0xd00
[ 265.147752][ T4762] kobject_init_and_add+0x122/0x190
[ 265.153002][ T4762] ? lockdep_softirqs_off+0x420/0x420
[ 265.158417][ T4762] ? kobject_add+0x210/0x210
[ 265.163048][ T4762] ? __init_swait_queue_head+0xa5/0x150
[ 265.168629][ T4762] gfs2_sys_fs_add+0x234/0x480
[ 265.173426][ T4762] ? gfs2_recover_set+0x240/0x240
[ 265.178476][ T4762] ? snprintf+0xd7/0x120
[ 265.182723][ T4762] ? __free_pages+0x95/0x1a0
[ 265.187317][ T4762] ? vscnprintf+0x80/0x80
[ 265.191671][ T4762] gfs2_fill_super+0x128d/0x1f50
[ 265.196620][ T4762] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.201650][ T4762] ? preempt_count_add+0x8d/0x190
[ 265.206680][ T4762] ? sb_set_blocksize+0xa5/0xe0
[ 265.211543][ T4762] get_tree_bdev+0x3f1/0x610
[ 265.216133][ T4762] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.221156][ T4762] gfs2_get_tree+0x4d/0x1e0
[ 265.225661][ T4762] vfs_get_tree+0x88/0x270
[ 265.230074][ T4762] do_new_mount+0x24a/0xa40
[ 265.234588][ T4762] __se_sys_mount+0x2d6/0x3c0
[ 265.239285][ T4762] ? __x64_sys_mount+0xc0/0xc0
[ 265.244048][ T4762] ? lockdep_hardirqs_on+0x94/0x140
[ 265.249246][ T4762] ? __x64_sys_mount+0x1c/0xc0
[ 265.254010][ T4762] do_syscall_64+0x4c/0xa0
[ 265.258421][ T4762] ? clear_bhb_loop+0x30/0x80
[ 265.263093][ T4762] ? clear_bhb_loop+0x30/0x80
[ 265.267767][ T4762] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 265.273657][ T4762] RIP: 0033:0x7f7aa466f76a
[ 265.278071][ T4762] 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
[ 265.297784][ T4762] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.306341][ T4762] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 265.314324][ T4762] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 265.322295][ T4762] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 265.330264][ T4762] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 265.338236][ T4762] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 265.346482][ T4762]
[ 265.351777][ T4762] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.365458][ T4762] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.750091][ T4763] loop1: detected capacity change from 0 to 32768
[ 265.807172][ T4763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.817680][ T4763] CPU: 0 PID: 4763 Comm: syz.1.160 Not tainted syzkaller #0
[ 265.825015][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 265.835098][ T4763] Call Trace:
[ 265.838395][ T4763]
[ 265.841338][ T4763] dump_stack_lvl+0x168/0x230
[ 265.846051][ T4763] ? show_regs_print_info+0x20/0x20
[ 265.851290][ T4763] ? load_image+0x3b0/0x3b0
[ 265.855841][ T4763] sysfs_create_dir_ns+0x252/0x280
[ 265.860985][ T4763] ? __lock_acquire+0x7c60/0x7c60
[ 265.866042][ T4763] ? sysfs_warn_dup+0xa0/0xa0
[ 265.870766][ T4763] ? do_raw_spin_unlock+0x11d/0x230
[ 265.876011][ T4763] kobject_add_internal+0x662/0xd00
[ 265.881262][ T4763] kobject_init_and_add+0x122/0x190
[ 265.886491][ T4763] ? lockdep_softirqs_off+0x420/0x420
[ 265.891907][ T4763] ? kobject_add+0x210/0x210
[ 265.896669][ T4763] ? __init_swait_queue_head+0xa5/0x150
[ 265.902253][ T4763] gfs2_sys_fs_add+0x234/0x480
[ 265.907152][ T4763] ? gfs2_recover_set+0x240/0x240
[ 265.912222][ T4763] ? snprintf+0xd7/0x120
[ 265.916501][ T4763] ? __free_pages+0x95/0x1a0
[ 265.921127][ T4763] ? vscnprintf+0x80/0x80
[ 265.925506][ T4763] gfs2_fill_super+0x128d/0x1f50
[ 265.930492][ T4763] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.935543][ T4763] ? preempt_count_add+0x8d/0x190
[ 265.940599][ T4763] ? sb_set_blocksize+0xa5/0xe0
[ 265.945476][ T4763] get_tree_bdev+0x3f1/0x610
[ 265.950089][ T4763] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.955135][ T4763] gfs2_get_tree+0x4d/0x1e0
[ 265.959661][ T4763] vfs_get_tree+0x88/0x270
[ 265.964101][ T4763] do_new_mount+0x24a/0xa40
[ 265.968726][ T4763] __se_sys_mount+0x2d6/0x3c0
[ 265.973436][ T4763] ? __x64_sys_mount+0xc0/0xc0
[ 265.978225][ T4763] ? lockdep_hardirqs_on+0x94/0x140
[ 265.983444][ T4763] ? __x64_sys_mount+0x1c/0xc0
[ 265.988240][ T4763] do_syscall_64+0x4c/0xa0
[ 265.992678][ T4763] ? clear_bhb_loop+0x30/0x80
[ 265.997375][ T4763] ? clear_bhb_loop+0x30/0x80
[ 266.002070][ T4763] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 266.007982][ T4763] RIP: 0033:0x7f7aa466f76a
[ 266.012418][ T4763] 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
[ 266.032044][ T4763] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.040491][ T4763] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 266.048520][ T4763] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 266.056507][ T4763] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 266.064506][ T4763] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 266.072500][ T4763] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 266.080517][ T4763]
[ 266.091281][ T4763] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.104654][ T4763] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.623627][ T4764] loop1: detected capacity change from 0 to 32768
[ 266.643075][ T4764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.650808][ T4764] CPU: 0 PID: 4764 Comm: syz.1.161 Not tainted syzkaller #0
[ 266.658149][ T4764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 266.668234][ T4764] Call Trace:
[ 266.671542][ T4764]
[ 266.674507][ T4764] dump_stack_lvl+0x168/0x230
[ 266.679235][ T4764] ? show_regs_print_info+0x20/0x20
[ 266.684466][ T4764] ? load_image+0x3b0/0x3b0
[ 266.689100][ T4764] sysfs_create_dir_ns+0x252/0x280
[ 266.694331][ T4764] ? __lock_acquire+0x7c60/0x7c60
[ 266.699384][ T4764] ? sysfs_warn_dup+0xa0/0xa0
[ 266.704097][ T4764] ? do_raw_spin_unlock+0x11d/0x230
[ 266.709323][ T4764] kobject_add_internal+0x662/0xd00
[ 266.714561][ T4764] kobject_init_and_add+0x122/0x190
[ 266.720058][ T4764] ? lockdep_softirqs_off+0x420/0x420
[ 266.725470][ T4764] ? kobject_add+0x210/0x210
[ 266.730237][ T4764] ? __init_swait_queue_head+0xa5/0x150
[ 266.735817][ T4764] gfs2_sys_fs_add+0x234/0x480
[ 266.740622][ T4764] ? gfs2_recover_set+0x240/0x240
[ 266.745673][ T4764] ? snprintf+0xd7/0x120
[ 266.749942][ T4764] ? __free_pages+0x95/0x1a0
[ 266.754572][ T4764] ? vscnprintf+0x80/0x80
[ 266.758938][ T4764] gfs2_fill_super+0x128d/0x1f50
[ 266.763909][ T4764] ? gfs2_reconfigure+0xcd0/0xcd0
[ 266.768944][ T4764] ? preempt_count_add+0x8d/0x190
[ 266.773974][ T4764] ? sb_set_blocksize+0xa5/0xe0
[ 266.778873][ T4764] get_tree_bdev+0x3f1/0x610
[ 266.783485][ T4764] ? gfs2_reconfigure+0xcd0/0xcd0
[ 266.788521][ T4764] gfs2_get_tree+0x4d/0x1e0
[ 266.793032][ T4764] vfs_get_tree+0x88/0x270
[ 266.797457][ T4764] do_new_mount+0x24a/0xa40
[ 266.801985][ T4764] __se_sys_mount+0x2d6/0x3c0
[ 266.806671][ T4764] ? __x64_sys_mount+0xc0/0xc0
[ 266.811436][ T4764] ? lockdep_hardirqs_on+0x94/0x140
[ 266.816742][ T4764] ? __x64_sys_mount+0x1c/0xc0
[ 266.821537][ T4764] do_syscall_64+0x4c/0xa0
[ 266.825957][ T4764] ? clear_bhb_loop+0x30/0x80
[ 266.830749][ T4764] ? clear_bhb_loop+0x30/0x80
[ 266.835525][ T4764] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 266.841433][ T4764] RIP: 0033:0x7f7aa466f76a
[ 266.845896][ T4764] 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
[ 266.865612][ T4764] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.874027][ T4764] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 266.882010][ T4764] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 266.889995][ T4764] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 266.897977][ T4764] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 266.905954][ T4764] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 266.913951][ T4764]
[ 266.919697][ T4764] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.933288][ T4764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.312424][ T4765] loop1: detected capacity change from 0 to 32768
[ 267.375938][ T4765] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.383368][ T4765] CPU: 0 PID: 4765 Comm: syz.1.162 Not tainted syzkaller #0
[ 267.390684][ T4765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 267.400778][ T4765] Call Trace:
[ 267.404106][ T4765]
[ 267.407072][ T4765] dump_stack_lvl+0x168/0x230
[ 267.411792][ T4765] ? show_regs_print_info+0x20/0x20
[ 267.417036][ T4765] ? load_image+0x3b0/0x3b0
[ 267.421676][ T4765] sysfs_create_dir_ns+0x252/0x280
[ 267.426819][ T4765] ? __lock_acquire+0x7c60/0x7c60
[ 267.431969][ T4765] ? sysfs_warn_dup+0xa0/0xa0
[ 267.436702][ T4765] ? do_raw_spin_unlock+0x11d/0x230
[ 267.441940][ T4765] kobject_add_internal+0x662/0xd00
[ 267.447366][ T4765] kobject_init_and_add+0x122/0x190
[ 267.452687][ T4765] ? lockdep_softirqs_off+0x420/0x420
[ 267.458100][ T4765] ? kobject_add+0x210/0x210
[ 267.462723][ T4765] ? __init_swait_queue_head+0xa5/0x150
[ 267.468305][ T4765] gfs2_sys_fs_add+0x234/0x480
[ 267.473097][ T4765] ? gfs2_recover_set+0x240/0x240
[ 267.478154][ T4765] ? snprintf+0xd7/0x120
[ 267.482430][ T4765] ? __free_pages+0x95/0x1a0
[ 267.487117][ T4765] ? vscnprintf+0x80/0x80
[ 267.491461][ T4765] gfs2_fill_super+0x128d/0x1f50
[ 267.496409][ T4765] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.501436][ T4765] ? preempt_count_add+0x8d/0x190
[ 267.506471][ T4765] ? sb_set_blocksize+0xa5/0xe0
[ 267.511325][ T4765] get_tree_bdev+0x3f1/0x610
[ 267.515920][ T4765] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.520947][ T4765] gfs2_get_tree+0x4d/0x1e0
[ 267.525458][ T4765] vfs_get_tree+0x88/0x270
[ 267.529947][ T4765] do_new_mount+0x24a/0xa40
[ 267.534483][ T4765] __se_sys_mount+0x2d6/0x3c0
[ 267.539198][ T4765] ? __x64_sys_mount+0xc0/0xc0
[ 267.543966][ T4765] ? lockdep_hardirqs_on+0x94/0x140
[ 267.549166][ T4765] ? __x64_sys_mount+0x1c/0xc0
[ 267.553932][ T4765] do_syscall_64+0x4c/0xa0
[ 267.558347][ T4765] ? clear_bhb_loop+0x30/0x80
[ 267.563025][ T4765] ? clear_bhb_loop+0x30/0x80
[ 267.567710][ T4765] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.573604][ T4765] RIP: 0033:0x7f7aa466f76a
[ 267.578106][ T4765] 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
[ 267.597722][ T4765] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.606196][ T4765] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 267.614171][ T4765] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 267.622141][ T4765] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 267.630113][ T4765] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 267.638097][ T4765] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 267.646083][ T4765]
[ 267.651524][ T4765] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.664801][ T4765] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.896641][ T4417] Bluetooth: hci0: command 0x0406 tx timeout
[ 268.061193][ T4766] loop1: detected capacity change from 0 to 32768
[ 268.122860][ T4766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.132365][ T4766] CPU: 0 PID: 4766 Comm: syz.1.163 Not tainted syzkaller #0
[ 268.139698][ T4766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 268.149798][ T4766] Call Trace:
[ 268.153105][ T4766]
[ 268.156067][ T4766] dump_stack_lvl+0x168/0x230
[ 268.160792][ T4766] ? show_regs_print_info+0x20/0x20
[ 268.166034][ T4766] ? load_image+0x3b0/0x3b0
[ 268.170586][ T4766] sysfs_create_dir_ns+0x252/0x280
[ 268.175729][ T4766] ? __lock_acquire+0x7c60/0x7c60
[ 268.180794][ T4766] ? sysfs_warn_dup+0xa0/0xa0
[ 268.185505][ T4766] ? do_raw_spin_unlock+0x11d/0x230
[ 268.190736][ T4766] kobject_add_internal+0x662/0xd00
[ 268.195986][ T4766] kobject_init_and_add+0x122/0x190
[ 268.201333][ T4766] ? lockdep_softirqs_off+0x420/0x420
[ 268.206750][ T4766] ? kobject_add+0x210/0x210
[ 268.211384][ T4766] ? __init_swait_queue_head+0xa5/0x150
[ 268.216968][ T4766] gfs2_sys_fs_add+0x234/0x480
[ 268.221858][ T4766] ? gfs2_recover_set+0x240/0x240
[ 268.226915][ T4766] ? snprintf+0xd7/0x120
[ 268.231189][ T4766] ? __free_pages+0x95/0x1a0
[ 268.235805][ T4766] ? vscnprintf+0x80/0x80
[ 268.240178][ T4766] gfs2_fill_super+0x128d/0x1f50
[ 268.245241][ T4766] ? gfs2_reconfigure+0xcd0/0xcd0
[ 268.250273][ T4766] ? preempt_count_add+0x8d/0x190
[ 268.255313][ T4766] ? sb_set_blocksize+0xa5/0xe0
[ 268.260182][ T4766] get_tree_bdev+0x3f1/0x610
[ 268.264779][ T4766] ? gfs2_reconfigure+0xcd0/0xcd0
[ 268.269805][ T4766] gfs2_get_tree+0x4d/0x1e0
[ 268.274319][ T4766] vfs_get_tree+0x88/0x270
[ 268.278760][ T4766] do_new_mount+0x24a/0xa40
[ 268.283390][ T4766] __se_sys_mount+0x2d6/0x3c0
[ 268.288102][ T4766] ? __x64_sys_mount+0xc0/0xc0
[ 268.292896][ T4766] ? lockdep_hardirqs_on+0x94/0x140
[ 268.298112][ T4766] ? __x64_sys_mount+0x1c/0xc0
[ 268.302901][ T4766] do_syscall_64+0x4c/0xa0
[ 268.307431][ T4766] ? clear_bhb_loop+0x30/0x80
[ 268.312202][ T4766] ? clear_bhb_loop+0x30/0x80
[ 268.316895][ T4766] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 268.322792][ T4766] RIP: 0033:0x7f7aa466f76a
[ 268.327207][ T4766] 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
[ 268.346817][ T4766] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.355241][ T4766] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 268.363234][ T4766] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 268.371242][ T4766] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 268.379221][ T4766] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 268.387195][ T4766] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 268.395194][ T4766]
[ 268.401968][ T4766] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.415454][ T4766] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.795663][ T4767] loop1: detected capacity change from 0 to 32768
[ 268.857531][ T4767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.868123][ T4767] CPU: 0 PID: 4767 Comm: syz.1.164 Not tainted syzkaller #0
[ 268.875460][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 268.885555][ T4767] Call Trace:
[ 268.888866][ T4767]
[ 268.891823][ T4767] dump_stack_lvl+0x168/0x230
[ 268.896543][ T4767] ? show_regs_print_info+0x20/0x20
[ 268.901833][ T4767] ? load_image+0x3b0/0x3b0
[ 268.906399][ T4767] sysfs_create_dir_ns+0x252/0x280
[ 268.911549][ T4767] ? __lock_acquire+0x7c60/0x7c60
[ 268.916615][ T4767] ? sysfs_warn_dup+0xa0/0xa0
[ 268.921332][ T4767] ? do_raw_spin_unlock+0x11d/0x230
[ 268.926728][ T4767] kobject_add_internal+0x662/0xd00
[ 268.931968][ T4767] kobject_init_and_add+0x122/0x190
[ 268.937198][ T4767] ? lockdep_softirqs_off+0x420/0x420
[ 268.942615][ T4767] ? kobject_add+0x210/0x210
[ 268.947252][ T4767] ? __init_swait_queue_head+0xa5/0x150
[ 268.952842][ T4767] gfs2_sys_fs_add+0x234/0x480
[ 268.957688][ T4767] ? gfs2_recover_set+0x240/0x240
[ 268.962751][ T4767] ? snprintf+0xd7/0x120
[ 268.967212][ T4767] ? __free_pages+0x95/0x1a0
[ 268.971841][ T4767] ? vscnprintf+0x80/0x80
[ 268.976213][ T4767] gfs2_fill_super+0x128d/0x1f50
[ 268.981196][ T4767] ? gfs2_reconfigure+0xcd0/0xcd0
[ 268.986267][ T4767] ? preempt_count_add+0x8d/0x190
[ 268.991337][ T4767] ? sb_set_blocksize+0xa5/0xe0
[ 268.996198][ T4767] get_tree_bdev+0x3f1/0x610
[ 269.000882][ T4767] ? gfs2_reconfigure+0xcd0/0xcd0
[ 269.006269][ T4767] gfs2_get_tree+0x4d/0x1e0
[ 269.010797][ T4767] vfs_get_tree+0x88/0x270
[ 269.015244][ T4767] do_new_mount+0x24a/0xa40
[ 269.019758][ T4767] __se_sys_mount+0x2d6/0x3c0
[ 269.024453][ T4767] ? __x64_sys_mount+0xc0/0xc0
[ 269.029234][ T4767] ? lockdep_hardirqs_on+0x94/0x140
[ 269.034434][ T4767] ? __x64_sys_mount+0x1c/0xc0
[ 269.039198][ T4767] do_syscall_64+0x4c/0xa0
[ 269.043616][ T4767] ? clear_bhb_loop+0x30/0x80
[ 269.048325][ T4767] ? clear_bhb_loop+0x30/0x80
[ 269.053273][ T4767] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 269.059174][ T4767] RIP: 0033:0x7f7aa466f76a
[ 269.063587][ T4767] 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
[ 269.083211][ T4767] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.091628][ T4767] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 269.099749][ T4767] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 269.107731][ T4767] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 269.115719][ T4767] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 269.123692][ T4767] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 269.131929][ T4767]
[ 269.137607][ T4767] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.150945][ T4767] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.523284][ T4768] loop1: detected capacity change from 0 to 32768
[ 269.573665][ T4768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.582659][ T4768] CPU: 0 PID: 4768 Comm: syz.1.165 Not tainted syzkaller #0
[ 269.590002][ T4768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 269.600086][ T4768] Call Trace:
[ 269.603399][ T4768]
[ 269.606351][ T4768] dump_stack_lvl+0x168/0x230
[ 269.611073][ T4768] ? show_regs_print_info+0x20/0x20
[ 269.616319][ T4768] ? load_image+0x3b0/0x3b0
[ 269.620896][ T4768] sysfs_create_dir_ns+0x252/0x280
[ 269.626141][ T4768] ? __lock_acquire+0x7c60/0x7c60
[ 269.631204][ T4768] ? sysfs_warn_dup+0xa0/0xa0
[ 269.635926][ T4768] ? do_raw_spin_unlock+0x11d/0x230
[ 269.641160][ T4768] kobject_add_internal+0x662/0xd00
[ 269.646406][ T4768] kobject_init_and_add+0x122/0x190
[ 269.651652][ T4768] ? lockdep_softirqs_off+0x420/0x420
[ 269.657086][ T4768] ? kobject_add+0x210/0x210
[ 269.661721][ T4768] ? __init_swait_queue_head+0xa5/0x150
[ 269.667393][ T4768] gfs2_sys_fs_add+0x234/0x480
[ 269.672197][ T4768] ? gfs2_recover_set+0x240/0x240
[ 269.677252][ T4768] ? snprintf+0xd7/0x120
[ 269.681531][ T4768] ? __free_pages+0x95/0x1a0
[ 269.686171][ T4768] ? vscnprintf+0x80/0x80
[ 269.690576][ T4768] gfs2_fill_super+0x128d/0x1f50
[ 269.695680][ T4768] ? gfs2_reconfigure+0xcd0/0xcd0
[ 269.700753][ T4768] ? preempt_count_add+0x8d/0x190
[ 269.705907][ T4768] ? sb_set_blocksize+0xa5/0xe0
[ 269.710777][ T4768] get_tree_bdev+0x3f1/0x610
[ 269.715381][ T4768] ? gfs2_reconfigure+0xcd0/0xcd0
[ 269.720439][ T4768] gfs2_get_tree+0x4d/0x1e0
[ 269.725051][ T4768] vfs_get_tree+0x88/0x270
[ 269.729497][ T4768] do_new_mount+0x24a/0xa40
[ 269.734032][ T4768] __se_sys_mount+0x2d6/0x3c0
[ 269.738720][ T4768] ? __x64_sys_mount+0xc0/0xc0
[ 269.743490][ T4768] ? lockdep_hardirqs_on+0x94/0x140
[ 269.748805][ T4768] ? __x64_sys_mount+0x1c/0xc0
[ 269.753591][ T4768] do_syscall_64+0x4c/0xa0
[ 269.758053][ T4768] ? clear_bhb_loop+0x30/0x80
[ 269.762819][ T4768] ? clear_bhb_loop+0x30/0x80
[ 269.767501][ T4768] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 269.773519][ T4768] RIP: 0033:0x7f7aa466f76a
[ 269.777951][ T4768] 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
[ 269.797571][ T4768] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.806029][ T4768] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 269.814007][ T4768] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 269.821987][ T4768] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 269.829993][ T4768] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 269.838116][ T4768] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 269.846141][ T4768]
[ 269.851913][ T4768] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.865427][ T4768] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 17:36:27 executed programs: 151
[ 270.256998][ T4769] loop1: detected capacity change from 0 to 32768
[ 270.303407][ T4769] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.310949][ T4769] CPU: 1 PID: 4769 Comm: syz.1.166 Not tainted syzkaller #0
[ 270.318274][ T4769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 270.328361][ T4769] Call Trace:
[ 270.331674][ T4769]
[ 270.334647][ T4769] dump_stack_lvl+0x168/0x230
[ 270.339367][ T4769] ? show_regs_print_info+0x20/0x20
[ 270.344606][ T4769] ? load_image+0x3b0/0x3b0
[ 270.349150][ T4769] sysfs_create_dir_ns+0x252/0x280
[ 270.354299][ T4769] ? __lock_acquire+0x7c60/0x7c60
[ 270.359365][ T4769] ? sysfs_warn_dup+0xa0/0xa0
[ 270.364087][ T4769] ? do_raw_spin_unlock+0x11d/0x230
[ 270.369335][ T4769] kobject_add_internal+0x662/0xd00
[ 270.374575][ T4769] kobject_init_and_add+0x122/0x190
[ 270.379799][ T4769] ? lockdep_softirqs_off+0x420/0x420
[ 270.385211][ T4769] ? kobject_add+0x210/0x210
[ 270.389944][ T4769] ? __init_swait_queue_head+0xa5/0x150
[ 270.395526][ T4769] gfs2_sys_fs_add+0x234/0x480
[ 270.400318][ T4769] ? gfs2_recover_set+0x240/0x240
[ 270.405368][ T4769] ? snprintf+0xd7/0x120
[ 270.409635][ T4769] ? __free_pages+0x95/0x1a0
[ 270.414243][ T4769] ? vscnprintf+0x80/0x80
[ 270.418606][ T4769] gfs2_fill_super+0x128d/0x1f50
[ 270.423559][ T4769] ? gfs2_reconfigure+0xcd0/0xcd0
[ 270.428593][ T4769] ? preempt_count_add+0x8d/0x190
[ 270.433638][ T4769] ? sb_set_blocksize+0xa5/0xe0
[ 270.438530][ T4769] get_tree_bdev+0x3f1/0x610
[ 270.443122][ T4769] ? gfs2_reconfigure+0xcd0/0xcd0
[ 270.448163][ T4769] gfs2_get_tree+0x4d/0x1e0
[ 270.452672][ T4769] vfs_get_tree+0x88/0x270
[ 270.457089][ T4769] do_new_mount+0x24a/0xa40
[ 270.461600][ T4769] __se_sys_mount+0x2d6/0x3c0
[ 270.466290][ T4769] ? __x64_sys_mount+0xc0/0xc0
[ 270.471079][ T4769] ? lockdep_hardirqs_on+0x94/0x140
[ 270.476281][ T4769] ? __x64_sys_mount+0x1c/0xc0
[ 270.481136][ T4769] do_syscall_64+0x4c/0xa0
[ 270.485551][ T4769] ? clear_bhb_loop+0x30/0x80
[ 270.490227][ T4769] ? clear_bhb_loop+0x30/0x80
[ 270.494993][ T4769] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 270.500905][ T4769] RIP: 0033:0x7f7aa466f76a
[ 270.505321][ T4769] 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
[ 270.524927][ T4769] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.533864][ T4769] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 270.541839][ T4769] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 270.549810][ T4769] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 270.557807][ T4769] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 270.565791][ T4769] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 270.573801][ T4769]
[ 270.577098][ T4769] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.590446][ T4769] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.991761][ T4770] loop1: detected capacity change from 0 to 32768
[ 271.044374][ T4770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.051806][ T4770] CPU: 1 PID: 4770 Comm: syz.1.167 Not tainted syzkaller #0
[ 271.059123][ T4770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 271.069206][ T4770] Call Trace:
[ 271.072516][ T4770]
[ 271.075489][ T4770] dump_stack_lvl+0x168/0x230
[ 271.080245][ T4770] ? show_regs_print_info+0x20/0x20
[ 271.085482][ T4770] ? load_image+0x3b0/0x3b0
[ 271.090042][ T4770] sysfs_create_dir_ns+0x252/0x280
[ 271.095307][ T4770] ? __lock_acquire+0x7c60/0x7c60
[ 271.100372][ T4770] ? sysfs_warn_dup+0xa0/0xa0
[ 271.105116][ T4770] ? do_raw_spin_unlock+0x11d/0x230
[ 271.110349][ T4770] kobject_add_internal+0x662/0xd00
[ 271.115601][ T4770] kobject_init_and_add+0x122/0x190
[ 271.120833][ T4770] ? lockdep_softirqs_off+0x420/0x420
[ 271.126241][ T4770] ? kobject_add+0x210/0x210
[ 271.130862][ T4770] ? __init_swait_queue_head+0xa5/0x150
[ 271.136439][ T4770] gfs2_sys_fs_add+0x234/0x480
[ 271.141247][ T4770] ? gfs2_recover_set+0x240/0x240
[ 271.146300][ T4770] ? snprintf+0xd7/0x120
[ 271.150576][ T4770] ? __free_pages+0x95/0x1a0
[ 271.155195][ T4770] ? vscnprintf+0x80/0x80
[ 271.159646][ T4770] gfs2_fill_super+0x128d/0x1f50
[ 271.164633][ T4770] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.169943][ T4770] ? preempt_count_add+0x8d/0x190
[ 271.174981][ T4770] ? sb_set_blocksize+0xa5/0xe0
[ 271.179836][ T4770] get_tree_bdev+0x3f1/0x610
[ 271.184428][ T4770] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.189481][ T4770] gfs2_get_tree+0x4d/0x1e0
[ 271.193981][ T4770] vfs_get_tree+0x88/0x270
[ 271.198397][ T4770] do_new_mount+0x24a/0xa40
[ 271.202905][ T4770] __se_sys_mount+0x2d6/0x3c0
[ 271.207594][ T4770] ? __x64_sys_mount+0xc0/0xc0
[ 271.212364][ T4770] ? lockdep_hardirqs_on+0x94/0x140
[ 271.217558][ T4770] ? __x64_sys_mount+0x1c/0xc0
[ 271.222330][ T4770] do_syscall_64+0x4c/0xa0
[ 271.226739][ T4770] ? clear_bhb_loop+0x30/0x80
[ 271.231408][ T4770] ? clear_bhb_loop+0x30/0x80
[ 271.236084][ T4770] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 271.241972][ T4770] RIP: 0033:0x7f7aa466f76a
[ 271.246388][ T4770] 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
[ 271.266017][ T4770] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.274432][ T4770] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 271.282527][ T4770] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 271.290677][ T4770] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 271.298663][ T4770] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 271.306652][ T4770] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 271.314659][ T4770]
[ 271.318036][ T4770] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.331230][ T4770] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.730823][ T4771] loop1: detected capacity change from 0 to 32768
[ 271.773380][ T4771] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.781237][ T4771] CPU: 1 PID: 4771 Comm: syz.1.168 Not tainted syzkaller #0
[ 271.788575][ T4771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 271.798663][ T4771] Call Trace:
[ 271.801973][ T4771]
[ 271.804927][ T4771] dump_stack_lvl+0x168/0x230
[ 271.809637][ T4771] ? show_regs_print_info+0x20/0x20
[ 271.814863][ T4771] ? load_image+0x3b0/0x3b0
[ 271.819408][ T4771] sysfs_create_dir_ns+0x252/0x280
[ 271.824563][ T4771] ? __lock_acquire+0x7c60/0x7c60
[ 271.829624][ T4771] ? sysfs_warn_dup+0xa0/0xa0
[ 271.834343][ T4771] ? do_raw_spin_unlock+0x11d/0x230
[ 271.839577][ T4771] kobject_add_internal+0x662/0xd00
[ 271.844812][ T4771] kobject_init_and_add+0x122/0x190
[ 271.850060][ T4771] ? lockdep_softirqs_off+0x420/0x420
[ 271.855487][ T4771] ? kobject_add+0x210/0x210
[ 271.860110][ T4771] ? __init_swait_queue_head+0xa5/0x150
[ 271.865686][ T4771] gfs2_sys_fs_add+0x234/0x480
[ 271.870563][ T4771] ? gfs2_recover_set+0x240/0x240
[ 271.875620][ T4771] ? snprintf+0xd7/0x120
[ 271.879888][ T4771] ? __free_pages+0x95/0x1a0
[ 271.884487][ T4771] ? vscnprintf+0x80/0x80
[ 271.888828][ T4771] gfs2_fill_super+0x128d/0x1f50
[ 271.893775][ T4771] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.898800][ T4771] ? preempt_count_add+0x8d/0x190
[ 271.903835][ T4771] ? sb_set_blocksize+0xa5/0xe0
[ 271.908686][ T4771] get_tree_bdev+0x3f1/0x610
[ 271.913280][ T4771] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.918315][ T4771] gfs2_get_tree+0x4d/0x1e0
[ 271.922839][ T4771] vfs_get_tree+0x88/0x270
[ 271.927269][ T4771] do_new_mount+0x24a/0xa40
[ 271.931784][ T4771] __se_sys_mount+0x2d6/0x3c0
[ 271.936474][ T4771] ? __x64_sys_mount+0xc0/0xc0
[ 271.941369][ T4771] ? lockdep_hardirqs_on+0x94/0x140
[ 271.946598][ T4771] ? __x64_sys_mount+0x1c/0xc0
[ 271.951378][ T4771] do_syscall_64+0x4c/0xa0
[ 271.955794][ T4771] ? clear_bhb_loop+0x30/0x80
[ 271.960470][ T4771] ? clear_bhb_loop+0x30/0x80
[ 271.965156][ T4771] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 271.971069][ T4771] RIP: 0033:0x7f7aa466f76a
[ 271.975489][ T4771] 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
[ 271.995362][ T4771] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.003780][ T4771] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 272.011760][ T4771] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 272.019739][ T4771] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 272.027738][ T4771] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 272.035720][ T4771] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 272.043714][ T4771]
[ 272.053585][ T4771] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.067288][ T4771] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.459741][ T4772] loop1: detected capacity change from 0 to 32768
[ 272.515583][ T4772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.523400][ T4772] CPU: 1 PID: 4772 Comm: syz.1.169 Not tainted syzkaller #0
[ 272.530739][ T4772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 272.540914][ T4772] Call Trace:
[ 272.544225][ T4772]
[ 272.547176][ T4772] dump_stack_lvl+0x168/0x230
[ 272.551894][ T4772] ? show_regs_print_info+0x20/0x20
[ 272.557124][ T4772] ? load_image+0x3b0/0x3b0
[ 272.561671][ T4772] sysfs_create_dir_ns+0x252/0x280
[ 272.566826][ T4772] ? __lock_acquire+0x7c60/0x7c60
[ 272.571889][ T4772] ? sysfs_warn_dup+0xa0/0xa0
[ 272.576606][ T4772] ? do_raw_spin_unlock+0x11d/0x230
[ 272.581836][ T4772] kobject_add_internal+0x662/0xd00
[ 272.587077][ T4772] kobject_init_and_add+0x122/0x190
[ 272.592303][ T4772] ? lockdep_softirqs_off+0x420/0x420
[ 272.597711][ T4772] ? kobject_add+0x210/0x210
[ 272.602335][ T4772] ? __init_swait_queue_head+0xa5/0x150
[ 272.607914][ T4772] gfs2_sys_fs_add+0x234/0x480
[ 272.612722][ T4772] ? gfs2_recover_set+0x240/0x240
[ 272.617758][ T4772] ? snprintf+0xd7/0x120
[ 272.622001][ T4772] ? __free_pages+0x95/0x1a0
[ 272.626596][ T4772] ? vscnprintf+0x80/0x80
[ 272.630937][ T4772] gfs2_fill_super+0x128d/0x1f50
[ 272.635888][ T4772] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.641008][ T4772] ? preempt_count_add+0x8d/0x190
[ 272.646043][ T4772] ? sb_set_blocksize+0xa5/0xe0
[ 272.650907][ T4772] get_tree_bdev+0x3f1/0x610
[ 272.655499][ T4772] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.660525][ T4772] gfs2_get_tree+0x4d/0x1e0
[ 272.665031][ T4772] vfs_get_tree+0x88/0x270
[ 272.669453][ T4772] do_new_mount+0x24a/0xa40
[ 272.673964][ T4772] __se_sys_mount+0x2d6/0x3c0
[ 272.678643][ T4772] ? __x64_sys_mount+0xc0/0xc0
[ 272.683423][ T4772] ? lockdep_hardirqs_on+0x94/0x140
[ 272.688622][ T4772] ? __x64_sys_mount+0x1c/0xc0
[ 272.693392][ T4772] do_syscall_64+0x4c/0xa0
[ 272.697809][ T4772] ? clear_bhb_loop+0x30/0x80
[ 272.702489][ T4772] ? clear_bhb_loop+0x30/0x80
[ 272.707166][ T4772] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.713063][ T4772] RIP: 0033:0x7f7aa466f76a
[ 272.717478][ T4772] 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
[ 272.737089][ T4772] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.745689][ T4772] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 272.753676][ T4772] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 272.761766][ T4772] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 272.770054][ T4772] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 272.778037][ T4772] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 272.786031][ T4772]
[ 272.789501][ T4772] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.802979][ T4772] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.172772][ T4773] loop1: detected capacity change from 0 to 32768
[ 273.267245][ T4773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.275352][ T4773] CPU: 1 PID: 4773 Comm: syz.1.170 Not tainted syzkaller #0
[ 273.282800][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 273.292871][ T4773] Call Trace:
[ 273.296172][ T4773]
[ 273.299125][ T4773] dump_stack_lvl+0x168/0x230
[ 273.303842][ T4773] ? show_regs_print_info+0x20/0x20
[ 273.309077][ T4773] ? load_image+0x3b0/0x3b0
[ 273.313638][ T4773] sysfs_create_dir_ns+0x252/0x280
[ 273.318785][ T4773] ? __lock_acquire+0x7c60/0x7c60
[ 273.323845][ T4773] ? sysfs_warn_dup+0xa0/0xa0
[ 273.328558][ T4773] ? do_raw_spin_unlock+0x11d/0x230
[ 273.333791][ T4773] kobject_add_internal+0x662/0xd00
[ 273.339118][ T4773] kobject_init_and_add+0x122/0x190
[ 273.344425][ T4773] ? lockdep_softirqs_off+0x420/0x420
[ 273.349848][ T4773] ? kobject_add+0x210/0x210
[ 273.354480][ T4773] ? __init_swait_queue_head+0xa5/0x150
[ 273.360070][ T4773] gfs2_sys_fs_add+0x234/0x480
[ 273.364853][ T4773] ? gfs2_recover_set+0x240/0x240
[ 273.369878][ T4773] ? snprintf+0xd7/0x120
[ 273.374126][ T4773] ? __free_pages+0x95/0x1a0
[ 273.378765][ T4773] ? vscnprintf+0x80/0x80
[ 273.383108][ T4773] gfs2_fill_super+0x128d/0x1f50
[ 273.388058][ T4773] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.393082][ T4773] ? preempt_count_add+0x8d/0x190
[ 273.398115][ T4773] ? sb_set_blocksize+0xa5/0xe0
[ 273.402972][ T4773] get_tree_bdev+0x3f1/0x610
[ 273.407570][ T4773] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.412597][ T4773] gfs2_get_tree+0x4d/0x1e0
[ 273.417101][ T4773] vfs_get_tree+0x88/0x270
[ 273.421519][ T4773] do_new_mount+0x24a/0xa40
[ 273.426032][ T4773] __se_sys_mount+0x2d6/0x3c0
[ 273.430712][ T4773] ? __x64_sys_mount+0xc0/0xc0
[ 273.435509][ T4773] ? lockdep_hardirqs_on+0x94/0x140
[ 273.440727][ T4773] ? __x64_sys_mount+0x1c/0xc0
[ 273.445492][ T4773] do_syscall_64+0x4c/0xa0
[ 273.449905][ T4773] ? clear_bhb_loop+0x30/0x80
[ 273.454582][ T4773] ? clear_bhb_loop+0x30/0x80
[ 273.459278][ T4773] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.465168][ T4773] RIP: 0033:0x7f7aa466f76a
[ 273.469590][ T4773] 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
[ 273.489196][ T4773] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.497616][ T4773] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 273.505596][ T4773] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 273.513588][ T4773] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 273.521560][ T4773] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 273.529554][ T4773] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 273.537536][ T4773]
[ 273.540875][ T4773] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.554388][ T4773] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.941484][ T4774] loop1: detected capacity change from 0 to 32768
[ 274.057457][ T4774] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.065150][ T4774] CPU: 0 PID: 4774 Comm: syz.1.171 Not tainted syzkaller #0
[ 274.072470][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 274.082767][ T4774] Call Trace:
[ 274.086084][ T4774]
[ 274.089043][ T4774] dump_stack_lvl+0x168/0x230
[ 274.093758][ T4774] ? show_regs_print_info+0x20/0x20
[ 274.098986][ T4774] ? load_image+0x3b0/0x3b0
[ 274.103662][ T4774] sysfs_create_dir_ns+0x252/0x280
[ 274.108813][ T4774] ? __lock_acquire+0x7c60/0x7c60
[ 274.113873][ T4774] ? sysfs_warn_dup+0xa0/0xa0
[ 274.118588][ T4774] ? do_raw_spin_unlock+0x11d/0x230
[ 274.123928][ T4774] kobject_add_internal+0x662/0xd00
[ 274.129167][ T4774] kobject_init_and_add+0x122/0x190
[ 274.134399][ T4774] ? lockdep_softirqs_off+0x420/0x420
[ 274.139811][ T4774] ? kobject_add+0x210/0x210
[ 274.144442][ T4774] ? __init_swait_queue_head+0xa5/0x150
[ 274.150025][ T4774] gfs2_sys_fs_add+0x234/0x480
[ 274.154818][ T4774] ? gfs2_recover_set+0x240/0x240
[ 274.159872][ T4774] ? snprintf+0xd7/0x120
[ 274.164149][ T4774] ? __free_pages+0x95/0x1a0
[ 274.168752][ T4774] ? vscnprintf+0x80/0x80
[ 274.173090][ T4774] gfs2_fill_super+0x128d/0x1f50
[ 274.178174][ T4774] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.183231][ T4774] ? preempt_count_add+0x8d/0x190
[ 274.188285][ T4774] ? sb_set_blocksize+0xa5/0xe0
[ 274.193149][ T4774] get_tree_bdev+0x3f1/0x610
[ 274.197792][ T4774] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.202823][ T4774] gfs2_get_tree+0x4d/0x1e0
[ 274.207335][ T4774] vfs_get_tree+0x88/0x270
[ 274.211756][ T4774] do_new_mount+0x24a/0xa40
[ 274.216267][ T4774] __se_sys_mount+0x2d6/0x3c0
[ 274.220957][ T4774] ? __x64_sys_mount+0xc0/0xc0
[ 274.225732][ T4774] ? lockdep_hardirqs_on+0x94/0x140
[ 274.230947][ T4774] ? __x64_sys_mount+0x1c/0xc0
[ 274.235720][ T4774] do_syscall_64+0x4c/0xa0
[ 274.240219][ T4774] ? clear_bhb_loop+0x30/0x80
[ 274.244913][ T4774] ? clear_bhb_loop+0x30/0x80
[ 274.249605][ T4774] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.255498][ T4774] RIP: 0033:0x7f7aa466f76a
[ 274.259913][ T4774] 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
[ 274.279559][ T4774] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.288008][ T4774] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 274.296197][ T4774] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 274.304179][ T4774] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 274.312154][ T4774] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 274.320157][ T4774] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 274.328176][ T4774]
[ 274.333609][ T4774] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.347012][ T4774] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.732004][ T4775] loop1: detected capacity change from 0 to 32768
[ 274.785075][ T4775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.792956][ T4775] CPU: 0 PID: 4775 Comm: syz.1.172 Not tainted syzkaller #0
[ 274.800287][ T4775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 274.810367][ T4775] Call Trace:
[ 274.813670][ T4775]
[ 274.816625][ T4775] dump_stack_lvl+0x168/0x230
[ 274.821347][ T4775] ? show_regs_print_info+0x20/0x20
[ 274.826584][ T4775] ? load_image+0x3b0/0x3b0
[ 274.831127][ T4775] sysfs_create_dir_ns+0x252/0x280
[ 274.836281][ T4775] ? __lock_acquire+0x7c60/0x7c60
[ 274.841340][ T4775] ? sysfs_warn_dup+0xa0/0xa0
[ 274.846059][ T4775] ? do_raw_spin_unlock+0x11d/0x230
[ 274.851294][ T4775] kobject_add_internal+0x662/0xd00
[ 274.856527][ T4775] kobject_init_and_add+0x122/0x190
[ 274.861751][ T4775] ? lockdep_softirqs_off+0x420/0x420
[ 274.867159][ T4775] ? kobject_add+0x210/0x210
[ 274.871786][ T4775] ? __init_swait_queue_head+0xa5/0x150
[ 274.877365][ T4775] gfs2_sys_fs_add+0x234/0x480
[ 274.882167][ T4775] ? gfs2_recover_set+0x240/0x240
[ 274.887300][ T4775] ? snprintf+0xd7/0x120
[ 274.891556][ T4775] ? __free_pages+0x95/0x1a0
[ 274.896150][ T4775] ? vscnprintf+0x80/0x80
[ 274.900492][ T4775] gfs2_fill_super+0x128d/0x1f50
[ 274.905463][ T4775] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.910524][ T4775] ? preempt_count_add+0x8d/0x190
[ 274.915579][ T4775] ? sb_set_blocksize+0xa5/0xe0
[ 274.920463][ T4775] get_tree_bdev+0x3f1/0x610
[ 274.925087][ T4775] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.930258][ T4775] gfs2_get_tree+0x4d/0x1e0
[ 274.934779][ T4775] vfs_get_tree+0x88/0x270
[ 274.939210][ T4775] do_new_mount+0x24a/0xa40
[ 274.943730][ T4775] __se_sys_mount+0x2d6/0x3c0
[ 274.948426][ T4775] ? __x64_sys_mount+0xc0/0xc0
[ 274.953205][ T4775] ? lockdep_hardirqs_on+0x94/0x140
[ 274.958410][ T4775] ? __x64_sys_mount+0x1c/0xc0
[ 274.963204][ T4775] do_syscall_64+0x4c/0xa0
[ 274.967711][ T4775] ? clear_bhb_loop+0x30/0x80
[ 274.972515][ T4775] ? clear_bhb_loop+0x30/0x80
[ 274.977195][ T4775] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.983094][ T4775] RIP: 0033:0x7f7aa466f76a
[ 274.987510][ T4775] 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
[ 275.007116][ T4775] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.015538][ T4775] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 275.023536][ T4775] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 275.031595][ T4775] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 275.039566][ T4775] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 275.047541][ T4775] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 275.055529][ T4775]
[ 275.060839][ T4775] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.074312][ T4775] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 17:36:33 executed programs: 158
[ 275.470132][ T4776] loop1: detected capacity change from 0 to 32768
[ 275.523343][ T4776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.534729][ T4776] CPU: 1 PID: 4776 Comm: syz.1.173 Not tainted syzkaller #0
[ 275.542073][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 275.552157][ T4776] Call Trace:
[ 275.555468][ T4776]
[ 275.558425][ T4776] dump_stack_lvl+0x168/0x230
[ 275.563139][ T4776] ? show_regs_print_info+0x20/0x20
[ 275.568387][ T4776] ? load_image+0x3b0/0x3b0
[ 275.572938][ T4776] sysfs_create_dir_ns+0x252/0x280
[ 275.578086][ T4776] ? __lock_acquire+0x7c60/0x7c60
[ 275.583192][ T4776] ? sysfs_warn_dup+0xa0/0xa0
[ 275.587937][ T4776] ? do_raw_spin_unlock+0x11d/0x230
[ 275.593171][ T4776] kobject_add_internal+0x662/0xd00
[ 275.598422][ T4776] kobject_init_and_add+0x122/0x190
[ 275.603652][ T4776] ? lockdep_softirqs_off+0x420/0x420
[ 275.609061][ T4776] ? kobject_add+0x210/0x210
[ 275.613682][ T4776] ? __init_swait_queue_head+0xa5/0x150
[ 275.619261][ T4776] gfs2_sys_fs_add+0x234/0x480
[ 275.624061][ T4776] ? gfs2_recover_set+0x240/0x240
[ 275.629110][ T4776] ? snprintf+0xd7/0x120
[ 275.633399][ T4776] ? __free_pages+0x95/0x1a0
[ 275.638017][ T4776] ? vscnprintf+0x80/0x80
[ 275.642380][ T4776] gfs2_fill_super+0x128d/0x1f50
[ 275.647334][ T4776] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.652361][ T4776] ? preempt_count_add+0x8d/0x190
[ 275.657392][ T4776] ? sb_set_blocksize+0xa5/0xe0
[ 275.662250][ T4776] get_tree_bdev+0x3f1/0x610
[ 275.666843][ T4776] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.671869][ T4776] gfs2_get_tree+0x4d/0x1e0
[ 275.676378][ T4776] vfs_get_tree+0x88/0x270
[ 275.681122][ T4776] do_new_mount+0x24a/0xa40
[ 275.685634][ T4776] __se_sys_mount+0x2d6/0x3c0
[ 275.690343][ T4776] ? __x64_sys_mount+0xc0/0xc0
[ 275.695119][ T4776] ? lockdep_hardirqs_on+0x94/0x140
[ 275.700339][ T4776] ? __x64_sys_mount+0x1c/0xc0
[ 275.705103][ T4776] do_syscall_64+0x4c/0xa0
[ 275.709520][ T4776] ? clear_bhb_loop+0x30/0x80
[ 275.714210][ T4776] ? clear_bhb_loop+0x30/0x80
[ 275.718902][ T4776] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.724805][ T4776] RIP: 0033:0x7f7aa466f76a
[ 275.729217][ T4776] 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
[ 275.748826][ T4776] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.757245][ T4776] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 275.765223][ T4776] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 275.773194][ T4776] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 275.781163][ T4776] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 275.789156][ T4776] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 275.797161][ T4776]
[ 275.800532][ T4776] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.813924][ T4776] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.197539][ T4777] loop1: detected capacity change from 0 to 32768
[ 276.211717][ T4777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.223012][ T4777] CPU: 1 PID: 4777 Comm: syz.1.174 Not tainted syzkaller #0
[ 276.230351][ T4777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 276.240431][ T4777] Call Trace:
[ 276.243736][ T4777]
[ 276.246712][ T4777] dump_stack_lvl+0x168/0x230
[ 276.251517][ T4777] ? show_regs_print_info+0x20/0x20
[ 276.256758][ T4777] ? load_image+0x3b0/0x3b0
[ 276.261304][ T4777] sysfs_create_dir_ns+0x252/0x280
[ 276.266444][ T4777] ? __lock_acquire+0x7c60/0x7c60
[ 276.271499][ T4777] ? sysfs_warn_dup+0xa0/0xa0
[ 276.276213][ T4777] ? do_raw_spin_unlock+0x11d/0x230
[ 276.281444][ T4777] kobject_add_internal+0x662/0xd00
[ 276.286685][ T4777] kobject_init_and_add+0x122/0x190
[ 276.291918][ T4777] ? lockdep_softirqs_off+0x420/0x420
[ 276.297330][ T4777] ? kobject_add+0x210/0x210
[ 276.301961][ T4777] ? __init_swait_queue_head+0xa5/0x150
[ 276.307544][ T4777] gfs2_sys_fs_add+0x234/0x480
[ 276.312450][ T4777] ? gfs2_recover_set+0x240/0x240
[ 276.317518][ T4777] ? snprintf+0xd7/0x120
[ 276.321794][ T4777] ? __free_pages+0x95/0x1a0
[ 276.326425][ T4777] ? vscnprintf+0x80/0x80
[ 276.330787][ T4777] gfs2_fill_super+0x128d/0x1f50
[ 276.335740][ T4777] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.340771][ T4777] ? preempt_count_add+0x8d/0x190
[ 276.345815][ T4777] ? sb_set_blocksize+0xa5/0xe0
[ 276.350682][ T4777] get_tree_bdev+0x3f1/0x610
[ 276.355286][ T4777] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.360319][ T4777] gfs2_get_tree+0x4d/0x1e0
[ 276.364842][ T4777] vfs_get_tree+0x88/0x270
[ 276.369284][ T4777] do_new_mount+0x24a/0xa40
[ 276.373797][ T4777] __se_sys_mount+0x2d6/0x3c0
[ 276.378481][ T4777] ? __x64_sys_mount+0xc0/0xc0
[ 276.383249][ T4777] ? lockdep_hardirqs_on+0x94/0x140
[ 276.388449][ T4777] ? __x64_sys_mount+0x1c/0xc0
[ 276.393231][ T4777] do_syscall_64+0x4c/0xa0
[ 276.397649][ T4777] ? clear_bhb_loop+0x30/0x80
[ 276.402326][ T4777] ? clear_bhb_loop+0x30/0x80
[ 276.407020][ T4777] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 276.412942][ T4777] RIP: 0033:0x7f7aa466f76a
[ 276.417360][ T4777] 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
[ 276.436972][ T4777] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.445393][ T4777] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 276.453367][ T4777] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 276.461340][ T4777] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 276.469313][ T4777] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 276.477291][ T4777] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 276.485278][ T4777]
[ 276.496894][ T4777] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.510310][ T4777] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.892932][ T4778] loop1: detected capacity change from 0 to 32768
[ 276.946722][ T4778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.954234][ T4778] CPU: 1 PID: 4778 Comm: syz.1.175 Not tainted syzkaller #0
[ 276.961641][ T4778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 276.971737][ T4778] Call Trace:
[ 276.975053][ T4778]
[ 276.978006][ T4778] dump_stack_lvl+0x168/0x230
[ 276.982717][ T4778] ? show_regs_print_info+0x20/0x20
[ 276.987949][ T4778] ? load_image+0x3b0/0x3b0
[ 276.992504][ T4778] sysfs_create_dir_ns+0x252/0x280
[ 276.997662][ T4778] ? __lock_acquire+0x7c60/0x7c60
[ 277.002730][ T4778] ? sysfs_warn_dup+0xa0/0xa0
[ 277.007450][ T4778] ? do_raw_spin_unlock+0x11d/0x230
[ 277.012687][ T4778] kobject_add_internal+0x662/0xd00
[ 277.017928][ T4778] kobject_init_and_add+0x122/0x190
[ 277.023157][ T4778] ? lockdep_softirqs_off+0x420/0x420
[ 277.028567][ T4778] ? kobject_add+0x210/0x210
[ 277.033197][ T4778] ? __init_swait_queue_head+0xa5/0x150
[ 277.038784][ T4778] gfs2_sys_fs_add+0x234/0x480
[ 277.043584][ T4778] ? gfs2_recover_set+0x240/0x240
[ 277.048640][ T4778] ? snprintf+0xd7/0x120
[ 277.053036][ T4778] ? __free_pages+0x95/0x1a0
[ 277.057634][ T4778] ? vscnprintf+0x80/0x80
[ 277.061976][ T4778] gfs2_fill_super+0x128d/0x1f50
[ 277.066934][ T4778] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.071983][ T4778] ? preempt_count_add+0x8d/0x190
[ 277.077020][ T4778] ? sb_set_blocksize+0xa5/0xe0
[ 277.081872][ T4778] get_tree_bdev+0x3f1/0x610
[ 277.086470][ T4778] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.091619][ T4778] gfs2_get_tree+0x4d/0x1e0
[ 277.096126][ T4778] vfs_get_tree+0x88/0x270
[ 277.100545][ T4778] do_new_mount+0x24a/0xa40
[ 277.105054][ T4778] __se_sys_mount+0x2d6/0x3c0
[ 277.109739][ T4778] ? __x64_sys_mount+0xc0/0xc0
[ 277.114616][ T4778] ? lockdep_hardirqs_on+0x94/0x140
[ 277.119879][ T4778] ? __x64_sys_mount+0x1c/0xc0
[ 277.124660][ T4778] do_syscall_64+0x4c/0xa0
[ 277.129220][ T4778] ? clear_bhb_loop+0x30/0x80
[ 277.133910][ T4778] ? clear_bhb_loop+0x30/0x80
[ 277.138597][ T4778] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.144498][ T4778] RIP: 0033:0x7f7aa466f76a
[ 277.148957][ T4778] 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
[ 277.168567][ T4778] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.177021][ T4778] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 277.185007][ T4778] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 277.192977][ T4778] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 277.200948][ T4778] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 277.208922][ T4778] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 277.216920][ T4778]
[ 277.220788][ T4778] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.234103][ T4778] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.613576][ T4779] loop1: detected capacity change from 0 to 32768
[ 277.688595][ T4779] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.696281][ T4779] CPU: 1 PID: 4779 Comm: syz.1.176 Not tainted syzkaller #0
[ 277.703604][ T4779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 277.713694][ T4779] Call Trace:
[ 277.717008][ T4779]
[ 277.719972][ T4779] dump_stack_lvl+0x168/0x230
[ 277.724703][ T4779] ? show_regs_print_info+0x20/0x20
[ 277.729947][ T4779] ? load_image+0x3b0/0x3b0
[ 277.734509][ T4779] sysfs_create_dir_ns+0x252/0x280
[ 277.739664][ T4779] ? __lock_acquire+0x7c60/0x7c60
[ 277.744806][ T4779] ? sysfs_warn_dup+0xa0/0xa0
[ 277.749521][ T4779] ? do_raw_spin_unlock+0x11d/0x230
[ 277.754756][ T4779] kobject_add_internal+0x662/0xd00
[ 277.759976][ T4779] kobject_init_and_add+0x122/0x190
[ 277.765177][ T4779] ? lockdep_softirqs_off+0x420/0x420
[ 277.770553][ T4779] ? kobject_add+0x210/0x210
[ 277.775145][ T4779] ? __init_swait_queue_head+0xa5/0x150
[ 277.780702][ T4779] gfs2_sys_fs_add+0x234/0x480
[ 277.785465][ T4779] ? gfs2_recover_set+0x240/0x240
[ 277.790486][ T4779] ? snprintf+0xd7/0x120
[ 277.794727][ T4779] ? __free_pages+0x95/0x1a0
[ 277.799317][ T4779] ? vscnprintf+0x80/0x80
[ 277.803657][ T4779] gfs2_fill_super+0x128d/0x1f50
[ 277.808608][ T4779] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.813634][ T4779] ? preempt_count_add+0x8d/0x190
[ 277.818665][ T4779] ? sb_set_blocksize+0xa5/0xe0
[ 277.823517][ T4779] get_tree_bdev+0x3f1/0x610
[ 277.828114][ T4779] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.833142][ T4779] gfs2_get_tree+0x4d/0x1e0
[ 277.837648][ T4779] vfs_get_tree+0x88/0x270
[ 277.842073][ T4779] do_new_mount+0x24a/0xa40
[ 277.846584][ T4779] __se_sys_mount+0x2d6/0x3c0
[ 277.851485][ T4779] ? __x64_sys_mount+0xc0/0xc0
[ 277.856369][ T4779] ? lockdep_hardirqs_on+0x94/0x140
[ 277.861688][ T4779] ? __x64_sys_mount+0x1c/0xc0
[ 277.866461][ T4779] do_syscall_64+0x4c/0xa0
[ 277.870880][ T4779] ? clear_bhb_loop+0x30/0x80
[ 277.875556][ T4779] ? clear_bhb_loop+0x30/0x80
[ 277.880237][ T4779] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.886164][ T4779] RIP: 0033:0x7f7aa466f76a
[ 277.890581][ T4779] 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
[ 277.910196][ T4779] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.918632][ T4779] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 277.926626][ T4779] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 277.934605][ T4779] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 277.942592][ T4779] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 277.950563][ T4779] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 277.958563][ T4779]
[ 277.962018][ T4779] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.975202][ T4779] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.365497][ T4780] loop1: detected capacity change from 0 to 32768
[ 278.458327][ T4780] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.474332][ T4780] CPU: 0 PID: 4780 Comm: syz.1.177 Not tainted syzkaller #0
[ 278.481682][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 278.491879][ T4780] Call Trace:
[ 278.495202][ T4780]
[ 278.498161][ T4780] dump_stack_lvl+0x168/0x230
[ 278.502886][ T4780] ? show_regs_print_info+0x20/0x20
[ 278.508134][ T4780] ? load_image+0x3b0/0x3b0
[ 278.512687][ T4780] sysfs_create_dir_ns+0x252/0x280
[ 278.517833][ T4780] ? __lock_acquire+0x7c60/0x7c60
[ 278.522897][ T4780] ? sysfs_warn_dup+0xa0/0xa0
[ 278.527742][ T4780] ? do_raw_spin_unlock+0x11d/0x230
[ 278.532952][ T4780] kobject_add_internal+0x662/0xd00
[ 278.538162][ T4780] kobject_init_and_add+0x122/0x190
[ 278.543397][ T4780] ? lockdep_softirqs_off+0x420/0x420
[ 278.548782][ T4780] ? kobject_add+0x210/0x210
[ 278.553379][ T4780] ? __init_swait_queue_head+0xa5/0x150
[ 278.558940][ T4780] gfs2_sys_fs_add+0x234/0x480
[ 278.563711][ T4780] ? gfs2_recover_set+0x240/0x240
[ 278.568748][ T4780] ? snprintf+0xd7/0x120
[ 278.572998][ T4780] ? __free_pages+0x95/0x1a0
[ 278.577588][ T4780] ? vscnprintf+0x80/0x80
[ 278.581933][ T4780] gfs2_fill_super+0x128d/0x1f50
[ 278.586885][ T4780] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.591922][ T4780] ? preempt_count_add+0x8d/0x190
[ 278.596954][ T4780] ? sb_set_blocksize+0xa5/0xe0
[ 278.601806][ T4780] get_tree_bdev+0x3f1/0x610
[ 278.606397][ T4780] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.611423][ T4780] gfs2_get_tree+0x4d/0x1e0
[ 278.615936][ T4780] vfs_get_tree+0x88/0x270
[ 278.620352][ T4780] do_new_mount+0x24a/0xa40
[ 278.624860][ T4780] __se_sys_mount+0x2d6/0x3c0
[ 278.629543][ T4780] ? __x64_sys_mount+0xc0/0xc0
[ 278.634318][ T4780] ? lockdep_hardirqs_on+0x94/0x140
[ 278.639537][ T4780] ? __x64_sys_mount+0x1c/0xc0
[ 278.644328][ T4780] do_syscall_64+0x4c/0xa0
[ 278.648770][ T4780] ? clear_bhb_loop+0x30/0x80
[ 278.653448][ T4780] ? clear_bhb_loop+0x30/0x80
[ 278.658125][ T4780] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 278.664017][ T4780] RIP: 0033:0x7f7aa466f76a
[ 278.668435][ T4780] 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
[ 278.688039][ T4780] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.696454][ T4780] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 278.704429][ T4780] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 278.712400][ T4780] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 278.720369][ T4780] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 278.728339][ T4780] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 278.736356][ T4780]
[ 278.741578][ T4780] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.754771][ T4780] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.147579][ T4781] loop1: detected capacity change from 0 to 32768
[ 279.168204][ T4781] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.177959][ T4781] CPU: 0 PID: 4781 Comm: syz.1.178 Not tainted syzkaller #0
[ 279.185291][ T4781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 279.195468][ T4781] Call Trace:
[ 279.198774][ T4781]
[ 279.201726][ T4781] dump_stack_lvl+0x168/0x230
[ 279.206436][ T4781] ? show_regs_print_info+0x20/0x20
[ 279.211672][ T4781] ? load_image+0x3b0/0x3b0
[ 279.216225][ T4781] sysfs_create_dir_ns+0x252/0x280
[ 279.221377][ T4781] ? __lock_acquire+0x7c60/0x7c60
[ 279.226441][ T4781] ? sysfs_warn_dup+0xa0/0xa0
[ 279.231155][ T4781] ? do_raw_spin_unlock+0x11d/0x230
[ 279.236384][ T4781] kobject_add_internal+0x662/0xd00
[ 279.241623][ T4781] kobject_init_and_add+0x122/0x190
[ 279.246854][ T4781] ? lockdep_softirqs_off+0x420/0x420
[ 279.252264][ T4781] ? kobject_add+0x210/0x210
[ 279.256981][ T4781] ? __init_swait_queue_head+0xa5/0x150
[ 279.262560][ T4781] gfs2_sys_fs_add+0x234/0x480
[ 279.267358][ T4781] ? gfs2_recover_set+0x240/0x240
[ 279.272406][ T4781] ? snprintf+0xd7/0x120
[ 279.276657][ T4781] ? __free_pages+0x95/0x1a0
[ 279.281253][ T4781] ? vscnprintf+0x80/0x80
[ 279.285602][ T4781] gfs2_fill_super+0x128d/0x1f50
[ 279.290686][ T4781] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.295723][ T4781] ? preempt_count_add+0x8d/0x190
[ 279.300760][ T4781] ? sb_set_blocksize+0xa5/0xe0
[ 279.305620][ T4781] get_tree_bdev+0x3f1/0x610
[ 279.310302][ T4781] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.315332][ T4781] gfs2_get_tree+0x4d/0x1e0
[ 279.319864][ T4781] vfs_get_tree+0x88/0x270
[ 279.324285][ T4781] do_new_mount+0x24a/0xa40
[ 279.328792][ T4781] __se_sys_mount+0x2d6/0x3c0
[ 279.333476][ T4781] ? __x64_sys_mount+0xc0/0xc0
[ 279.338251][ T4781] ? lockdep_hardirqs_on+0x94/0x140
[ 279.343467][ T4781] ? __x64_sys_mount+0x1c/0xc0
[ 279.348241][ T4781] do_syscall_64+0x4c/0xa0
[ 279.352748][ T4781] ? clear_bhb_loop+0x30/0x80
[ 279.357425][ T4781] ? clear_bhb_loop+0x30/0x80
[ 279.362123][ T4781] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.368021][ T4781] RIP: 0033:0x7f7aa466f76a
[ 279.372441][ T4781] 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
[ 279.392053][ T4781] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.400588][ T4781] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 279.408566][ T4781] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 279.416549][ T4781] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 279.424518][ T4781] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 279.432507][ T4781] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 279.440493][ T4781]
[ 279.445935][ T4781] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.459303][ T4781] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.845761][ T4782] loop1: detected capacity change from 0 to 32768
[ 279.896443][ T4782] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.914298][ T4782] CPU: 0 PID: 4782 Comm: syz.1.179 Not tainted syzkaller #0
[ 279.921643][ T4782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 279.931738][ T4782] Call Trace:
[ 279.935048][ T4782]
[ 279.937997][ T4782] dump_stack_lvl+0x168/0x230
[ 279.942714][ T4782] ? show_regs_print_info+0x20/0x20
[ 279.947947][ T4782] ? load_image+0x3b0/0x3b0
[ 279.952501][ T4782] sysfs_create_dir_ns+0x252/0x280
[ 279.957651][ T4782] ? __lock_acquire+0x7c60/0x7c60
[ 279.962716][ T4782] ? sysfs_warn_dup+0xa0/0xa0
[ 279.967431][ T4782] ? do_raw_spin_unlock+0x11d/0x230
[ 279.972671][ T4782] kobject_add_internal+0x662/0xd00
[ 279.977910][ T4782] kobject_init_and_add+0x122/0x190
[ 279.983145][ T4782] ? lockdep_softirqs_off+0x420/0x420
[ 279.988552][ T4782] ? kobject_add+0x210/0x210
[ 279.993178][ T4782] ? __init_swait_queue_head+0xa5/0x150
[ 279.998759][ T4782] gfs2_sys_fs_add+0x234/0x480
[ 280.003534][ T4782] ? gfs2_recover_set+0x240/0x240
[ 280.008562][ T4782] ? snprintf+0xd7/0x120
[ 280.012811][ T4782] ? __free_pages+0x95/0x1a0
[ 280.017406][ T4782] ? vscnprintf+0x80/0x80
[ 280.021765][ T4782] gfs2_fill_super+0x128d/0x1f50
[ 280.026725][ T4782] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.031798][ T4782] ? preempt_count_add+0x8d/0x190
[ 280.036839][ T4782] ? sb_set_blocksize+0xa5/0xe0
[ 280.041697][ T4782] get_tree_bdev+0x3f1/0x610
[ 280.046290][ T4782] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.051319][ T4782] gfs2_get_tree+0x4d/0x1e0
[ 280.055828][ T4782] vfs_get_tree+0x88/0x270
[ 280.060259][ T4782] do_new_mount+0x24a/0xa40
[ 280.064857][ T4782] __se_sys_mount+0x2d6/0x3c0
[ 280.069536][ T4782] ? __x64_sys_mount+0xc0/0xc0
[ 280.074307][ T4782] ? lockdep_hardirqs_on+0x94/0x140
[ 280.079518][ T4782] ? __x64_sys_mount+0x1c/0xc0
[ 280.084305][ T4782] do_syscall_64+0x4c/0xa0
[ 280.088722][ T4782] ? clear_bhb_loop+0x30/0x80
[ 280.093406][ T4782] ? clear_bhb_loop+0x30/0x80
[ 280.098081][ T4782] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.103976][ T4782] RIP: 0033:0x7f7aa466f76a
[ 280.108391][ T4782] 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
[ 280.128022][ T4782] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.136440][ T4782] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 280.144412][ T4782] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 280.152383][ T4782] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 280.160353][ T4782] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 280.168323][ T4782] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 280.176322][ T4782]
[ 280.181865][ T4782] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.195106][ T4782] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 17:36:38 executed programs: 165
[ 280.589346][ T4783] loop1: detected capacity change from 0 to 32768
[ 280.644326][ T4783] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.651759][ T4783] CPU: 0 PID: 4783 Comm: syz.1.180 Not tainted syzkaller #0
[ 280.659073][ T4783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 280.669333][ T4783] Call Trace:
[ 280.672681][ T4783]
[ 280.675645][ T4783] dump_stack_lvl+0x168/0x230
[ 280.680463][ T4783] ? show_regs_print_info+0x20/0x20
[ 280.685756][ T4783] ? load_image+0x3b0/0x3b0
[ 280.690309][ T4783] sysfs_create_dir_ns+0x252/0x280
[ 280.695455][ T4783] ? __lock_acquire+0x7c60/0x7c60
[ 280.700521][ T4783] ? sysfs_warn_dup+0xa0/0xa0
[ 280.705238][ T4783] ? do_raw_spin_unlock+0x11d/0x230
[ 280.710472][ T4783] kobject_add_internal+0x662/0xd00
[ 280.715700][ T4783] kobject_init_and_add+0x122/0x190
[ 280.720935][ T4783] ? lockdep_softirqs_off+0x420/0x420
[ 280.726347][ T4783] ? kobject_add+0x210/0x210
[ 280.730972][ T4783] ? __init_swait_queue_head+0xa5/0x150
[ 280.736553][ T4783] gfs2_sys_fs_add+0x234/0x480
[ 280.741350][ T4783] ? gfs2_recover_set+0x240/0x240
[ 280.746460][ T4783] ? snprintf+0xd7/0x120
[ 280.750843][ T4783] ? __free_pages+0x95/0x1a0
[ 280.755469][ T4783] ? vscnprintf+0x80/0x80
[ 280.759835][ T4783] gfs2_fill_super+0x128d/0x1f50
[ 280.764793][ T4783] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.769823][ T4783] ? preempt_count_add+0x8d/0x190
[ 280.774883][ T4783] ? sb_set_blocksize+0xa5/0xe0
[ 280.779744][ T4783] get_tree_bdev+0x3f1/0x610
[ 280.784357][ T4783] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.789416][ T4783] gfs2_get_tree+0x4d/0x1e0
[ 280.794032][ T4783] vfs_get_tree+0x88/0x270
[ 280.798499][ T4783] do_new_mount+0x24a/0xa40
[ 280.803012][ T4783] __se_sys_mount+0x2d6/0x3c0
[ 280.807729][ T4783] ? __x64_sys_mount+0xc0/0xc0
[ 280.812514][ T4783] ? lockdep_hardirqs_on+0x94/0x140
[ 280.817713][ T4783] ? __x64_sys_mount+0x1c/0xc0
[ 280.822480][ T4783] do_syscall_64+0x4c/0xa0
[ 280.826903][ T4783] ? clear_bhb_loop+0x30/0x80
[ 280.831578][ T4783] ? clear_bhb_loop+0x30/0x80
[ 280.836255][ T4783] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.842147][ T4783] RIP: 0033:0x7f7aa466f76a
[ 280.846584][ T4783] 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
[ 280.866191][ T4783] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.874609][ T4783] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 280.882580][ T4783] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 280.890562][ T4783] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 280.898532][ T4783] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 280.906506][ T4783] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 280.914508][ T4783]
[ 280.920118][ T4783] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.934261][ T4783] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.338597][ T4784] loop1: detected capacity change from 0 to 32768
[ 281.356763][ T4784] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.364552][ T4784] CPU: 1 PID: 4784 Comm: syz.1.181 Not tainted syzkaller #0
[ 281.371873][ T4784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 281.382135][ T4784] Call Trace:
[ 281.385533][ T4784]
[ 281.388497][ T4784] dump_stack_lvl+0x168/0x230
[ 281.393219][ T4784] ? show_regs_print_info+0x20/0x20
[ 281.398456][ T4784] ? load_image+0x3b0/0x3b0
[ 281.403011][ T4784] sysfs_create_dir_ns+0x252/0x280
[ 281.408167][ T4784] ? __lock_acquire+0x7c60/0x7c60
[ 281.413228][ T4784] ? sysfs_warn_dup+0xa0/0xa0
[ 281.417943][ T4784] ? do_raw_spin_unlock+0x11d/0x230
[ 281.423177][ T4784] kobject_add_internal+0x662/0xd00
[ 281.428419][ T4784] kobject_init_and_add+0x122/0x190
[ 281.433659][ T4784] ? lockdep_softirqs_off+0x420/0x420
[ 281.439083][ T4784] ? kobject_add+0x210/0x210
[ 281.443980][ T4784] ? __init_swait_queue_head+0xa5/0x150
[ 281.449579][ T4784] gfs2_sys_fs_add+0x234/0x480
[ 281.454389][ T4784] ? gfs2_recover_set+0x240/0x240
[ 281.459450][ T4784] ? snprintf+0xd7/0x120
[ 281.463727][ T4784] ? __free_pages+0x95/0x1a0
[ 281.468361][ T4784] ? vscnprintf+0x80/0x80
[ 281.472737][ T4784] gfs2_fill_super+0x128d/0x1f50
[ 281.477730][ T4784] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.482786][ T4784] ? preempt_count_add+0x8d/0x190
[ 281.487837][ T4784] ? sb_set_blocksize+0xa5/0xe0
[ 281.492696][ T4784] get_tree_bdev+0x3f1/0x610
[ 281.497292][ T4784] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.502318][ T4784] gfs2_get_tree+0x4d/0x1e0
[ 281.506824][ T4784] vfs_get_tree+0x88/0x270
[ 281.511244][ T4784] do_new_mount+0x24a/0xa40
[ 281.515754][ T4784] __se_sys_mount+0x2d6/0x3c0
[ 281.520472][ T4784] ? __x64_sys_mount+0xc0/0xc0
[ 281.525248][ T4784] ? lockdep_hardirqs_on+0x94/0x140
[ 281.530470][ T4784] ? __x64_sys_mount+0x1c/0xc0
[ 281.535243][ T4784] do_syscall_64+0x4c/0xa0
[ 281.539678][ T4784] ? clear_bhb_loop+0x30/0x80
[ 281.544366][ T4784] ? clear_bhb_loop+0x30/0x80
[ 281.549067][ T4784] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.554972][ T4784] RIP: 0033:0x7f7aa466f76a
[ 281.559413][ T4784] 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
[ 281.579024][ T4784] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.587615][ T4784] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 281.595597][ T4784] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 281.603581][ T4784] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 281.611557][ T4784] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 281.619534][ T4784] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 281.627526][ T4784]
[ 281.631101][ T4784] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.644641][ T4784] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.015997][ T4785] loop1: detected capacity change from 0 to 32768
[ 282.084334][ T4785] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.092111][ T4785] CPU: 1 PID: 4785 Comm: syz.1.182 Not tainted syzkaller #0
[ 282.099443][ T4785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 282.109678][ T4785] Call Trace:
[ 282.112988][ T4785]
[ 282.115947][ T4785] dump_stack_lvl+0x168/0x230
[ 282.120681][ T4785] ? show_regs_print_info+0x20/0x20
[ 282.125926][ T4785] ? load_image+0x3b0/0x3b0
[ 282.130593][ T4785] sysfs_create_dir_ns+0x252/0x280
[ 282.135745][ T4785] ? __lock_acquire+0x7c60/0x7c60
[ 282.140801][ T4785] ? sysfs_warn_dup+0xa0/0xa0
[ 282.145518][ T4785] ? do_raw_spin_unlock+0x11d/0x230
[ 282.150750][ T4785] kobject_add_internal+0x662/0xd00
[ 282.155988][ T4785] kobject_init_and_add+0x122/0x190
[ 282.161220][ T4785] ? lockdep_softirqs_off+0x420/0x420
[ 282.166652][ T4785] ? kobject_add+0x210/0x210
[ 282.171280][ T4785] ? __init_swait_queue_head+0xa5/0x150
[ 282.176873][ T4785] gfs2_sys_fs_add+0x234/0x480
[ 282.181676][ T4785] ? gfs2_recover_set+0x240/0x240
[ 282.186734][ T4785] ? snprintf+0xd7/0x120
[ 282.191009][ T4785] ? __free_pages+0x95/0x1a0
[ 282.195638][ T4785] ? vscnprintf+0x80/0x80
[ 282.200009][ T4785] gfs2_fill_super+0x128d/0x1f50
[ 282.205001][ T4785] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.210173][ T4785] ? preempt_count_add+0x8d/0x190
[ 282.215219][ T4785] ? sb_set_blocksize+0xa5/0xe0
[ 282.220077][ T4785] get_tree_bdev+0x3f1/0x610
[ 282.224680][ T4785] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.229716][ T4785] gfs2_get_tree+0x4d/0x1e0
[ 282.234222][ T4785] vfs_get_tree+0x88/0x270
[ 282.238650][ T4785] do_new_mount+0x24a/0xa40
[ 282.243161][ T4785] __se_sys_mount+0x2d6/0x3c0
[ 282.247848][ T4785] ? __x64_sys_mount+0xc0/0xc0
[ 282.252629][ T4785] ? lockdep_hardirqs_on+0x94/0x140
[ 282.257869][ T4785] ? __x64_sys_mount+0x1c/0xc0
[ 282.262658][ T4785] do_syscall_64+0x4c/0xa0
[ 282.267084][ T4785] ? clear_bhb_loop+0x30/0x80
[ 282.271767][ T4785] ? clear_bhb_loop+0x30/0x80
[ 282.276448][ T4785] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.282344][ T4785] RIP: 0033:0x7f7aa466f76a
[ 282.286762][ T4785] 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
[ 282.306374][ T4785] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.314812][ T4785] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 282.322788][ T4785] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 282.330761][ T4785] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 282.338740][ T4785] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 282.346731][ T4785] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 282.354777][ T4785]
[ 282.358317][ T4785] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.371761][ T4785] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.752357][ T4786] loop1: detected capacity change from 0 to 32768
[ 282.799519][ T4786] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.813288][ T4786] CPU: 0 PID: 4786 Comm: syz.1.183 Not tainted syzkaller #0
[ 282.820664][ T4786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 282.830793][ T4786] Call Trace:
[ 282.834106][ T4786]
[ 282.837070][ T4786] dump_stack_lvl+0x168/0x230
[ 282.841787][ T4786] ? show_regs_print_info+0x20/0x20
[ 282.847015][ T4786] ? load_image+0x3b0/0x3b0
[ 282.851559][ T4786] sysfs_create_dir_ns+0x252/0x280
[ 282.856703][ T4786] ? __lock_acquire+0x7c60/0x7c60
[ 282.861764][ T4786] ? sysfs_warn_dup+0xa0/0xa0
[ 282.866484][ T4786] ? do_raw_spin_unlock+0x11d/0x230
[ 282.871722][ T4786] kobject_add_internal+0x662/0xd00
[ 282.877058][ T4786] kobject_init_and_add+0x122/0x190
[ 282.882370][ T4786] ? lockdep_softirqs_off+0x420/0x420
[ 282.887789][ T4786] ? kobject_add+0x210/0x210
[ 282.892435][ T4786] ? __init_swait_queue_head+0xa5/0x150
[ 282.898016][ T4786] gfs2_sys_fs_add+0x234/0x480
[ 282.902815][ T4786] ? gfs2_recover_set+0x240/0x240
[ 282.907868][ T4786] ? snprintf+0xd7/0x120
[ 282.912151][ T4786] ? __free_pages+0x95/0x1a0
[ 282.916773][ T4786] ? vscnprintf+0x80/0x80
[ 282.921119][ T4786] gfs2_fill_super+0x128d/0x1f50
[ 282.926080][ T4786] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.931125][ T4786] ? preempt_count_add+0x8d/0x190
[ 282.936161][ T4786] ? sb_set_blocksize+0xa5/0xe0
[ 282.941153][ T4786] get_tree_bdev+0x3f1/0x610
[ 282.945772][ T4786] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.950964][ T4786] gfs2_get_tree+0x4d/0x1e0
[ 282.955479][ T4786] vfs_get_tree+0x88/0x270
[ 282.959905][ T4786] do_new_mount+0x24a/0xa40
[ 282.964624][ T4786] __se_sys_mount+0x2d6/0x3c0
[ 282.969561][ T4786] ? __x64_sys_mount+0xc0/0xc0
[ 282.974371][ T4786] ? lockdep_hardirqs_on+0x94/0x140
[ 282.979735][ T4786] ? __x64_sys_mount+0x1c/0xc0
[ 282.984530][ T4786] do_syscall_64+0x4c/0xa0
[ 282.988990][ T4786] ? clear_bhb_loop+0x30/0x80
[ 282.993671][ T4786] ? clear_bhb_loop+0x30/0x80
[ 282.998359][ T4786] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.004276][ T4786] RIP: 0033:0x7f7aa466f76a
[ 283.008730][ T4786] 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
[ 283.028346][ T4786] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.036785][ T4786] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 283.044771][ T4786] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 283.052766][ T4786] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 283.060916][ T4786] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 283.068889][ T4786] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 283.076873][ T4786]
[ 283.082297][ T4786] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.095718][ T4786] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.264488][ T4417] Bluetooth: hci1: command 0x0406 tx timeout
[ 283.466192][ T4787] loop1: detected capacity change from 0 to 32768
[ 283.515949][ T4787] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.523521][ T4787] CPU: 0 PID: 4787 Comm: syz.1.184 Not tainted syzkaller #0
[ 283.530843][ T4787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 283.541062][ T4787] Call Trace:
[ 283.544374][ T4787]
[ 283.547330][ T4787] dump_stack_lvl+0x168/0x230
[ 283.552064][ T4787] ? show_regs_print_info+0x20/0x20
[ 283.557299][ T4787] ? load_image+0x3b0/0x3b0
[ 283.561853][ T4787] sysfs_create_dir_ns+0x252/0x280
[ 283.567011][ T4787] ? __lock_acquire+0x7c60/0x7c60
[ 283.572074][ T4787] ? sysfs_warn_dup+0xa0/0xa0
[ 283.576806][ T4787] ? do_raw_spin_unlock+0x11d/0x230
[ 283.582040][ T4787] kobject_add_internal+0x662/0xd00
[ 283.587316][ T4787] kobject_init_and_add+0x122/0x190
[ 283.592567][ T4787] ? lockdep_softirqs_off+0x420/0x420
[ 283.597977][ T4787] ? kobject_add+0x210/0x210
[ 283.602605][ T4787] ? __init_swait_queue_head+0xa5/0x150
[ 283.608191][ T4787] gfs2_sys_fs_add+0x234/0x480
[ 283.612988][ T4787] ? gfs2_recover_set+0x240/0x240
[ 283.618036][ T4787] ? snprintf+0xd7/0x120
[ 283.622288][ T4787] ? __free_pages+0x95/0x1a0
[ 283.626912][ T4787] ? vscnprintf+0x80/0x80
[ 283.631403][ T4787] gfs2_fill_super+0x128d/0x1f50
[ 283.636363][ T4787] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.641489][ T4787] ? preempt_count_add+0x8d/0x190
[ 283.646542][ T4787] ? sb_set_blocksize+0xa5/0xe0
[ 283.651401][ T4787] get_tree_bdev+0x3f1/0x610
[ 283.656023][ T4787] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.661055][ T4787] gfs2_get_tree+0x4d/0x1e0
[ 283.665572][ T4787] vfs_get_tree+0x88/0x270
[ 283.669994][ T4787] do_new_mount+0x24a/0xa40
[ 283.674744][ T4787] __se_sys_mount+0x2d6/0x3c0
[ 283.679447][ T4787] ? __x64_sys_mount+0xc0/0xc0
[ 283.684236][ T4787] ? lockdep_hardirqs_on+0x94/0x140
[ 283.689456][ T4787] ? __x64_sys_mount+0x1c/0xc0
[ 283.694234][ T4787] do_syscall_64+0x4c/0xa0
[ 283.698658][ T4787] ? clear_bhb_loop+0x30/0x80
[ 283.703336][ T4787] ? clear_bhb_loop+0x30/0x80
[ 283.708048][ T4787] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.713946][ T4787] RIP: 0033:0x7f7aa466f76a
[ 283.718365][ T4787] 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
[ 283.737981][ T4787] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.746402][ T4787] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 283.754378][ T4787] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 283.762348][ T4787] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 283.770325][ T4787] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 283.778302][ T4787] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 283.786288][ T4787]
[ 283.791794][ T4787] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.805829][ T4787] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.175923][ T4788] loop1: detected capacity change from 0 to 32768
[ 284.220032][ T4788] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.232330][ T4788] CPU: 1 PID: 4788 Comm: syz.1.185 Not tainted syzkaller #0
[ 284.239671][ T4788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 284.249762][ T4788] Call Trace:
[ 284.253174][ T4788]
[ 284.256133][ T4788] dump_stack_lvl+0x168/0x230
[ 284.260853][ T4788] ? show_regs_print_info+0x20/0x20
[ 284.266097][ T4788] ? load_image+0x3b0/0x3b0
[ 284.270648][ T4788] sysfs_create_dir_ns+0x252/0x280
[ 284.275915][ T4788] ? __lock_acquire+0x7c60/0x7c60
[ 284.281146][ T4788] ? sysfs_warn_dup+0xa0/0xa0
[ 284.285879][ T4788] ? do_raw_spin_unlock+0x11d/0x230
[ 284.291115][ T4788] kobject_add_internal+0x662/0xd00
[ 284.296363][ T4788] kobject_init_and_add+0x122/0x190
[ 284.301602][ T4788] ? lockdep_softirqs_off+0x420/0x420
[ 284.307015][ T4788] ? kobject_add+0x210/0x210
[ 284.311653][ T4788] ? __init_swait_queue_head+0xa5/0x150
[ 284.317249][ T4788] gfs2_sys_fs_add+0x234/0x480
[ 284.322050][ T4788] ? gfs2_recover_set+0x240/0x240
[ 284.327152][ T4788] ? snprintf+0xd7/0x120
[ 284.331435][ T4788] ? __free_pages+0x95/0x1a0
[ 284.336156][ T4788] ? vscnprintf+0x80/0x80
[ 284.340558][ T4788] gfs2_fill_super+0x128d/0x1f50
[ 284.345545][ T4788] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.350610][ T4788] ? preempt_count_add+0x8d/0x190
[ 284.355669][ T4788] ? sb_set_blocksize+0xa5/0xe0
[ 284.360533][ T4788] get_tree_bdev+0x3f1/0x610
[ 284.365132][ T4788] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.370178][ T4788] gfs2_get_tree+0x4d/0x1e0
[ 284.374691][ T4788] vfs_get_tree+0x88/0x270
[ 284.379116][ T4788] do_new_mount+0x24a/0xa40
[ 284.383628][ T4788] __se_sys_mount+0x2d6/0x3c0
[ 284.388310][ T4788] ? __x64_sys_mount+0xc0/0xc0
[ 284.393079][ T4788] ? lockdep_hardirqs_on+0x94/0x140
[ 284.398277][ T4788] ? __x64_sys_mount+0x1c/0xc0
[ 284.403046][ T4788] do_syscall_64+0x4c/0xa0
[ 284.407515][ T4788] ? clear_bhb_loop+0x30/0x80
[ 284.412233][ T4788] ? clear_bhb_loop+0x30/0x80
[ 284.416913][ T4788] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 284.422897][ T4788] RIP: 0033:0x7f7aa466f76a
[ 284.427313][ T4788] 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
[ 284.446926][ T4788] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.455371][ T4788] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 284.463363][ T4788] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 284.471998][ T4788] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 284.479977][ T4788] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 284.487949][ T4788] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 284.495935][ T4788]
[ 284.499671][ T4788] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.512891][ T4788] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.878619][ T4789] loop1: detected capacity change from 0 to 32768
[ 284.943792][ T4789] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.951337][ T4789] CPU: 0 PID: 4789 Comm: syz.1.186 Not tainted syzkaller #0
[ 284.958659][ T4789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 284.968753][ T4789] Call Trace:
[ 284.972070][ T4789]
[ 284.975034][ T4789] dump_stack_lvl+0x168/0x230
[ 284.979759][ T4789] ? show_regs_print_info+0x20/0x20
[ 284.985042][ T4789] ? load_image+0x3b0/0x3b0
[ 284.989600][ T4789] sysfs_create_dir_ns+0x252/0x280
[ 284.994758][ T4789] ? __lock_acquire+0x7c60/0x7c60
[ 284.999816][ T4789] ? sysfs_warn_dup+0xa0/0xa0
[ 285.004536][ T4789] ? do_raw_spin_unlock+0x11d/0x230
[ 285.009774][ T4789] kobject_add_internal+0x662/0xd00
[ 285.015012][ T4789] kobject_init_and_add+0x122/0x190
[ 285.020241][ T4789] ? lockdep_softirqs_off+0x420/0x420
[ 285.025643][ T4789] ? kobject_add+0x210/0x210
[ 285.030363][ T4789] ? __init_swait_queue_head+0xa5/0x150
[ 285.035946][ T4789] gfs2_sys_fs_add+0x234/0x480
[ 285.040791][ T4789] ? gfs2_recover_set+0x240/0x240
[ 285.045935][ T4789] ? snprintf+0xd7/0x120
[ 285.050205][ T4789] ? __free_pages+0x95/0x1a0
[ 285.054925][ T4789] ? vscnprintf+0x80/0x80
[ 285.059339][ T4789] gfs2_fill_super+0x128d/0x1f50
[ 285.064300][ T4789] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.069339][ T4789] ? preempt_count_add+0x8d/0x190
[ 285.074377][ T4789] ? sb_set_blocksize+0xa5/0xe0
[ 285.079242][ T4789] get_tree_bdev+0x3f1/0x610
[ 285.083843][ T4789] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.088873][ T4789] gfs2_get_tree+0x4d/0x1e0
[ 285.093377][ T4789] vfs_get_tree+0x88/0x270
[ 285.097851][ T4789] do_new_mount+0x24a/0xa40
[ 285.102476][ T4789] __se_sys_mount+0x2d6/0x3c0
[ 285.107161][ T4789] ? __x64_sys_mount+0xc0/0xc0
[ 285.111932][ T4789] ? lockdep_hardirqs_on+0x94/0x140
[ 285.117129][ T4789] ? __x64_sys_mount+0x1c/0xc0
[ 285.121921][ T4789] do_syscall_64+0x4c/0xa0
[ 285.126363][ T4789] ? clear_bhb_loop+0x30/0x80
[ 285.131073][ T4789] ? clear_bhb_loop+0x30/0x80
[ 285.135759][ T4789] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.141656][ T4789] RIP: 0033:0x7f7aa466f76a
[ 285.146168][ T4789] 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
[ 285.165781][ T4789] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.174217][ T4789] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 285.182201][ T4789] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 285.190177][ T4789] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 285.198263][ T4789] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 285.206255][ T4789] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 285.214264][ T4789]
[ 285.219763][ T4789] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.233336][ T4789] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 17:36:43 executed programs: 172
[ 285.629236][ T4790] loop1: detected capacity change from 0 to 32768
[ 285.690028][ T4790] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.698210][ T4790] CPU: 1 PID: 4790 Comm: syz.1.187 Not tainted syzkaller #0
[ 285.705532][ T4790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 285.715623][ T4790] Call Trace:
[ 285.718929][ T4790]
[ 285.721883][ T4790] dump_stack_lvl+0x168/0x230
[ 285.726602][ T4790] ? show_regs_print_info+0x20/0x20
[ 285.731837][ T4790] ? load_image+0x3b0/0x3b0
[ 285.736378][ T4790] sysfs_create_dir_ns+0x252/0x280
[ 285.741522][ T4790] ? __lock_acquire+0x7c60/0x7c60
[ 285.746596][ T4790] ? sysfs_warn_dup+0xa0/0xa0
[ 285.751314][ T4790] ? do_raw_spin_unlock+0x11d/0x230
[ 285.756551][ T4790] kobject_add_internal+0x662/0xd00
[ 285.761797][ T4790] kobject_init_and_add+0x122/0x190
[ 285.767043][ T4790] ? lockdep_softirqs_off+0x420/0x420
[ 285.772454][ T4790] ? kobject_add+0x210/0x210
[ 285.777078][ T4790] ? __init_swait_queue_head+0xa5/0x150
[ 285.782662][ T4790] gfs2_sys_fs_add+0x234/0x480
[ 285.787457][ T4790] ? gfs2_recover_set+0x240/0x240
[ 285.792504][ T4790] ? snprintf+0xd7/0x120
[ 285.796777][ T4790] ? __free_pages+0x95/0x1a0
[ 285.801400][ T4790] ? vscnprintf+0x80/0x80
[ 285.805775][ T4790] gfs2_fill_super+0x128d/0x1f50
[ 285.810735][ T4790] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.815770][ T4790] ? preempt_count_add+0x8d/0x190
[ 285.820822][ T4790] ? sb_set_blocksize+0xa5/0xe0
[ 285.825676][ T4790] get_tree_bdev+0x3f1/0x610
[ 285.830268][ T4790] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.835296][ T4790] gfs2_get_tree+0x4d/0x1e0
[ 285.839823][ T4790] vfs_get_tree+0x88/0x270
[ 285.844385][ T4790] do_new_mount+0x24a/0xa40
[ 285.849059][ T4790] __se_sys_mount+0x2d6/0x3c0
[ 285.853752][ T4790] ? __x64_sys_mount+0xc0/0xc0
[ 285.858527][ T4790] ? lockdep_hardirqs_on+0x94/0x140
[ 285.863734][ T4790] ? __x64_sys_mount+0x1c/0xc0
[ 285.868502][ T4790] do_syscall_64+0x4c/0xa0
[ 285.872922][ T4790] ? clear_bhb_loop+0x30/0x80
[ 285.877602][ T4790] ? clear_bhb_loop+0x30/0x80
[ 285.882309][ T4790] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.888235][ T4790] RIP: 0033:0x7f7aa466f76a
[ 285.892653][ T4790] 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
[ 285.912507][ T4790] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.920937][ T4790] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 285.928917][ T4790] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 285.936891][ T4790] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 285.944867][ T4790] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 285.952846][ T4790] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 285.960837][ T4790]
[ 285.968301][ T4790] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.982815][ T4790] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.362659][ T4791] loop1: detected capacity change from 0 to 32768
[ 286.407390][ T4791] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.416280][ T4791] CPU: 0 PID: 4791 Comm: syz.1.188 Not tainted syzkaller #0
[ 286.423625][ T4791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 286.433728][ T4791] Call Trace:
[ 286.437037][ T4791]
[ 286.439998][ T4791] dump_stack_lvl+0x168/0x230
[ 286.444721][ T4791] ? show_regs_print_info+0x20/0x20
[ 286.449960][ T4791] ? load_image+0x3b0/0x3b0
[ 286.454517][ T4791] sysfs_create_dir_ns+0x252/0x280
[ 286.459707][ T4791] ? __lock_acquire+0x7c60/0x7c60
[ 286.464847][ T4791] ? sysfs_warn_dup+0xa0/0xa0
[ 286.469560][ T4791] ? do_raw_spin_unlock+0x11d/0x230
[ 286.474923][ T4791] kobject_add_internal+0x662/0xd00
[ 286.480133][ T4791] kobject_init_and_add+0x122/0x190
[ 286.485344][ T4791] ? lockdep_softirqs_off+0x420/0x420
[ 286.490720][ T4791] ? kobject_add+0x210/0x210
[ 286.495317][ T4791] ? __init_swait_queue_head+0xa5/0x150
[ 286.500903][ T4791] gfs2_sys_fs_add+0x234/0x480
[ 286.505668][ T4791] ? gfs2_recover_set+0x240/0x240
[ 286.510709][ T4791] ? snprintf+0xd7/0x120
[ 286.514972][ T4791] ? __free_pages+0x95/0x1a0
[ 286.519567][ T4791] ? vscnprintf+0x80/0x80
[ 286.523915][ T4791] gfs2_fill_super+0x128d/0x1f50
[ 286.528860][ T4791] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.533887][ T4791] ? preempt_count_add+0x8d/0x190
[ 286.538938][ T4791] ? sb_set_blocksize+0xa5/0xe0
[ 286.543792][ T4791] get_tree_bdev+0x3f1/0x610
[ 286.548386][ T4791] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.553408][ T4791] gfs2_get_tree+0x4d/0x1e0
[ 286.557963][ T4791] vfs_get_tree+0x88/0x270
[ 286.562380][ T4791] do_new_mount+0x24a/0xa40
[ 286.566893][ T4791] __se_sys_mount+0x2d6/0x3c0
[ 286.571572][ T4791] ? __x64_sys_mount+0xc0/0xc0
[ 286.576363][ T4791] ? lockdep_hardirqs_on+0x94/0x140
[ 286.581578][ T4791] ? __x64_sys_mount+0x1c/0xc0
[ 286.586346][ T4791] do_syscall_64+0x4c/0xa0
[ 286.590764][ T4791] ? clear_bhb_loop+0x30/0x80
[ 286.595437][ T4791] ? clear_bhb_loop+0x30/0x80
[ 286.600110][ T4791] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.606000][ T4791] RIP: 0033:0x7f7aa466f76a
[ 286.610504][ T4791] 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
[ 286.630105][ T4791] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.638520][ T4791] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 286.646494][ T4791] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 286.654462][ T4791] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 286.662431][ T4791] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 286.670401][ T4791] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 286.678395][ T4791]
[ 286.683884][ T4791] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.697115][ T4791] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.109638][ T4792] loop1: detected capacity change from 0 to 32768
[ 287.122298][ T4792] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.129865][ T4792] CPU: 0 PID: 4792 Comm: syz.1.189 Not tainted syzkaller #0
[ 287.137182][ T4792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 287.147370][ T4792] Call Trace:
[ 287.150682][ T4792]
[ 287.153636][ T4792] dump_stack_lvl+0x168/0x230
[ 287.158385][ T4792] ? show_regs_print_info+0x20/0x20
[ 287.163621][ T4792] ? load_image+0x3b0/0x3b0
[ 287.168171][ T4792] sysfs_create_dir_ns+0x252/0x280
[ 287.173499][ T4792] ? __lock_acquire+0x7c60/0x7c60
[ 287.178555][ T4792] ? sysfs_warn_dup+0xa0/0xa0
[ 287.183245][ T4792] ? do_raw_spin_unlock+0x11d/0x230
[ 287.188449][ T4792] kobject_add_internal+0x662/0xd00
[ 287.193668][ T4792] kobject_init_and_add+0x122/0x190
[ 287.198866][ T4792] ? lockdep_softirqs_off+0x420/0x420
[ 287.204332][ T4792] ? kobject_add+0x210/0x210
[ 287.208922][ T4792] ? __init_swait_queue_head+0xa5/0x150
[ 287.214478][ T4792] gfs2_sys_fs_add+0x234/0x480
[ 287.219242][ T4792] ? gfs2_recover_set+0x240/0x240
[ 287.224285][ T4792] ? snprintf+0xd7/0x120
[ 287.228547][ T4792] ? __free_pages+0x95/0x1a0
[ 287.233159][ T4792] ? vscnprintf+0x80/0x80
[ 287.237504][ T4792] gfs2_fill_super+0x128d/0x1f50
[ 287.242464][ T4792] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.247491][ T4792] ? preempt_count_add+0x8d/0x190
[ 287.252533][ T4792] ? sb_set_blocksize+0xa5/0xe0
[ 287.257390][ T4792] get_tree_bdev+0x3f1/0x610
[ 287.261980][ T4792] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.267022][ T4792] gfs2_get_tree+0x4d/0x1e0
[ 287.271542][ T4792] vfs_get_tree+0x88/0x270
[ 287.275961][ T4792] do_new_mount+0x24a/0xa40
[ 287.280474][ T4792] __se_sys_mount+0x2d6/0x3c0
[ 287.285150][ T4792] ? __x64_sys_mount+0xc0/0xc0
[ 287.289942][ T4792] ? lockdep_hardirqs_on+0x94/0x140
[ 287.295150][ T4792] ? __x64_sys_mount+0x1c/0xc0
[ 287.299923][ T4792] do_syscall_64+0x4c/0xa0
[ 287.304345][ T4792] ? clear_bhb_loop+0x30/0x80
[ 287.309023][ T4792] ? clear_bhb_loop+0x30/0x80
[ 287.313702][ T4792] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 287.319600][ T4792] RIP: 0033:0x7f7aa466f76a
[ 287.324016][ T4792] 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
[ 287.343623][ T4792] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.352047][ T4792] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 287.360024][ T4792] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 287.368012][ T4792] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 287.376067][ T4792] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 287.384035][ T4792] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 287.392019][ T4792]
[ 287.397582][ T4792] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.411234][ T4792] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.787987][ T4793] loop1: detected capacity change from 0 to 32768
[ 287.848838][ T4793] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.856618][ T4793] CPU: 0 PID: 4793 Comm: syz.1.190 Not tainted syzkaller #0
[ 287.863950][ T4793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 287.874038][ T4793] Call Trace:
[ 287.877345][ T4793]
[ 287.880297][ T4793] dump_stack_lvl+0x168/0x230
[ 287.885010][ T4793] ? show_regs_print_info+0x20/0x20
[ 287.890237][ T4793] ? load_image+0x3b0/0x3b0
[ 287.894782][ T4793] sysfs_create_dir_ns+0x252/0x280
[ 287.899929][ T4793] ? __lock_acquire+0x7c60/0x7c60
[ 287.904992][ T4793] ? sysfs_warn_dup+0xa0/0xa0
[ 287.909711][ T4793] ? do_raw_spin_unlock+0x11d/0x230
[ 287.914949][ T4793] kobject_add_internal+0x662/0xd00
[ 287.920186][ T4793] kobject_init_and_add+0x122/0x190
[ 287.925415][ T4793] ? lockdep_softirqs_off+0x420/0x420
[ 287.930829][ T4793] ? kobject_add+0x210/0x210
[ 287.935459][ T4793] ? __init_swait_queue_head+0xa5/0x150
[ 287.941050][ T4793] gfs2_sys_fs_add+0x234/0x480
[ 287.945847][ T4793] ? gfs2_recover_set+0x240/0x240
[ 287.950896][ T4793] ? snprintf+0xd7/0x120
[ 287.955146][ T4793] ? __free_pages+0x95/0x1a0
[ 287.959740][ T4793] ? vscnprintf+0x80/0x80
[ 287.964081][ T4793] gfs2_fill_super+0x128d/0x1f50
[ 287.969074][ T4793] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.974108][ T4793] ? preempt_count_add+0x8d/0x190
[ 287.979155][ T4793] ? sb_set_blocksize+0xa5/0xe0
[ 287.984009][ T4793] get_tree_bdev+0x3f1/0x610
[ 287.988600][ T4793] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.993626][ T4793] gfs2_get_tree+0x4d/0x1e0
[ 287.998135][ T4793] vfs_get_tree+0x88/0x270
[ 288.002648][ T4793] do_new_mount+0x24a/0xa40
[ 288.007180][ T4793] __se_sys_mount+0x2d6/0x3c0
[ 288.011955][ T4793] ? __x64_sys_mount+0xc0/0xc0
[ 288.016742][ T4793] ? lockdep_hardirqs_on+0x94/0x140
[ 288.021939][ T4793] ? __x64_sys_mount+0x1c/0xc0
[ 288.026700][ T4793] do_syscall_64+0x4c/0xa0
[ 288.031117][ T4793] ? clear_bhb_loop+0x30/0x80
[ 288.035809][ T4793] ? clear_bhb_loop+0x30/0x80
[ 288.040510][ T4793] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.046412][ T4793] RIP: 0033:0x7f7aa466f76a
[ 288.050825][ T4793] 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
[ 288.070434][ T4793] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.078877][ T4793] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 288.086852][ T4793] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 288.094821][ T4793] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 288.102799][ T4793] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 288.110809][ T4793] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 288.118807][ T4793]
[ 288.124517][ T4793] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.137765][ T4793] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.529264][ T4794] loop1: detected capacity change from 0 to 32768
[ 288.584262][ T4794] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.591687][ T4794] CPU: 0 PID: 4794 Comm: syz.1.191 Not tainted syzkaller #0
[ 288.599001][ T4794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 288.609086][ T4794] Call Trace:
[ 288.612408][ T4794]
[ 288.615369][ T4794] dump_stack_lvl+0x168/0x230
[ 288.620095][ T4794] ? show_regs_print_info+0x20/0x20
[ 288.625337][ T4794] ? load_image+0x3b0/0x3b0
[ 288.629897][ T4794] sysfs_create_dir_ns+0x252/0x280
[ 288.635043][ T4794] ? __lock_acquire+0x7c60/0x7c60
[ 288.640194][ T4794] ? sysfs_warn_dup+0xa0/0xa0
[ 288.644916][ T4794] ? do_raw_spin_unlock+0x11d/0x230
[ 288.650244][ T4794] kobject_add_internal+0x662/0xd00
[ 288.655490][ T4794] kobject_init_and_add+0x122/0x190
[ 288.660722][ T4794] ? lockdep_softirqs_off+0x420/0x420
[ 288.666134][ T4794] ? kobject_add+0x210/0x210
[ 288.670762][ T4794] ? __init_swait_queue_head+0xa5/0x150
[ 288.676343][ T4794] gfs2_sys_fs_add+0x234/0x480
[ 288.681139][ T4794] ? gfs2_recover_set+0x240/0x240
[ 288.686188][ T4794] ? snprintf+0xd7/0x120
[ 288.690460][ T4794] ? __free_pages+0x95/0x1a0
[ 288.695087][ T4794] ? vscnprintf+0x80/0x80
[ 288.699573][ T4794] gfs2_fill_super+0x128d/0x1f50
[ 288.704533][ T4794] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.709568][ T4794] ? preempt_count_add+0x8d/0x190
[ 288.714605][ T4794] ? sb_set_blocksize+0xa5/0xe0
[ 288.719519][ T4794] get_tree_bdev+0x3f1/0x610
[ 288.724124][ T4794] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.729159][ T4794] gfs2_get_tree+0x4d/0x1e0
[ 288.733669][ T4794] vfs_get_tree+0x88/0x270
[ 288.738095][ T4794] do_new_mount+0x24a/0xa40
[ 288.742605][ T4794] __se_sys_mount+0x2d6/0x3c0
[ 288.747292][ T4794] ? __x64_sys_mount+0xc0/0xc0
[ 288.752062][ T4794] ? lockdep_hardirqs_on+0x94/0x140
[ 288.757265][ T4794] ? __x64_sys_mount+0x1c/0xc0
[ 288.762030][ T4794] do_syscall_64+0x4c/0xa0
[ 288.766443][ T4794] ? clear_bhb_loop+0x30/0x80
[ 288.771120][ T4794] ? clear_bhb_loop+0x30/0x80
[ 288.775802][ T4794] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.781695][ T4794] RIP: 0033:0x7f7aa466f76a
[ 288.786139][ T4794] 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
[ 288.805747][ T4794] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.814163][ T4794] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 288.822136][ T4794] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 288.830110][ T4794] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 288.838089][ T4794] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 288.846070][ T4794] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 288.854088][ T4794]
[ 288.859499][ T4794] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.872700][ T4794] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.274796][ T4795] loop1: detected capacity change from 0 to 32768
[ 289.356152][ T4795] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.367317][ T4795] CPU: 1 PID: 4795 Comm: syz.1.192 Not tainted syzkaller #0
[ 289.374659][ T4795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 289.384740][ T4795] Call Trace:
[ 289.388044][ T4795]
[ 289.391003][ T4795] dump_stack_lvl+0x168/0x230
[ 289.395723][ T4795] ? show_regs_print_info+0x20/0x20
[ 289.400960][ T4795] ? load_image+0x3b0/0x3b0
[ 289.405519][ T4795] sysfs_create_dir_ns+0x252/0x280
[ 289.410673][ T4795] ? __lock_acquire+0x7c60/0x7c60
[ 289.415738][ T4795] ? sysfs_warn_dup+0xa0/0xa0
[ 289.420452][ T4795] ? do_raw_spin_unlock+0x11d/0x230
[ 289.425684][ T4795] kobject_add_internal+0x662/0xd00
[ 289.430920][ T4795] kobject_init_and_add+0x122/0x190
[ 289.436151][ T4795] ? lockdep_softirqs_off+0x420/0x420
[ 289.441562][ T4795] ? kobject_add+0x210/0x210
[ 289.446379][ T4795] ? __init_swait_queue_head+0xa5/0x150
[ 289.451937][ T4795] gfs2_sys_fs_add+0x234/0x480
[ 289.456712][ T4795] ? gfs2_recover_set+0x240/0x240
[ 289.461752][ T4795] ? snprintf+0xd7/0x120
[ 289.465997][ T4795] ? __free_pages+0x95/0x1a0
[ 289.470592][ T4795] ? vscnprintf+0x80/0x80
[ 289.474942][ T4795] gfs2_fill_super+0x128d/0x1f50
[ 289.479910][ T4795] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.484943][ T4795] ? preempt_count_add+0x8d/0x190
[ 289.489980][ T4795] ? sb_set_blocksize+0xa5/0xe0
[ 289.494842][ T4795] get_tree_bdev+0x3f1/0x610
[ 289.499538][ T4795] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.504570][ T4795] gfs2_get_tree+0x4d/0x1e0
[ 289.509169][ T4795] vfs_get_tree+0x88/0x270
[ 289.513589][ T4795] do_new_mount+0x24a/0xa40
[ 289.518108][ T4795] __se_sys_mount+0x2d6/0x3c0
[ 289.522813][ T4795] ? __x64_sys_mount+0xc0/0xc0
[ 289.527584][ T4795] ? lockdep_hardirqs_on+0x94/0x140
[ 289.532785][ T4795] ? __x64_sys_mount+0x1c/0xc0
[ 289.537557][ T4795] do_syscall_64+0x4c/0xa0
[ 289.541977][ T4795] ? clear_bhb_loop+0x30/0x80
[ 289.546654][ T4795] ? clear_bhb_loop+0x30/0x80
[ 289.551339][ T4795] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 289.557244][ T4795] RIP: 0033:0x7f7aa466f76a
[ 289.561672][ T4795] 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
[ 289.581313][ T4795] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.589748][ T4795] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 289.597756][ T4795] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 289.605732][ T4795] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 289.613710][ T4795] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 289.621682][ T4795] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 289.629676][ T4795]
[ 289.633223][ T4795] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.646671][ T4795] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.030027][ T4796] loop1: detected capacity change from 0 to 32768
[ 290.085239][ T4796] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.092672][ T4796] CPU: 1 PID: 4796 Comm: syz.1.193 Not tainted syzkaller #0
[ 290.100000][ T4796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 290.110179][ T4796] Call Trace:
[ 290.113493][ T4796]
[ 290.116462][ T4796] dump_stack_lvl+0x168/0x230
[ 290.121314][ T4796] ? show_regs_print_info+0x20/0x20
[ 290.126560][ T4796] ? load_image+0x3b0/0x3b0
[ 290.131110][ T4796] sysfs_create_dir_ns+0x252/0x280
[ 290.136257][ T4796] ? __lock_acquire+0x7c60/0x7c60
[ 290.141320][ T4796] ? sysfs_warn_dup+0xa0/0xa0
[ 290.146038][ T4796] ? do_raw_spin_unlock+0x11d/0x230
[ 290.151286][ T4796] kobject_add_internal+0x662/0xd00
[ 290.156526][ T4796] kobject_init_and_add+0x122/0x190
[ 290.161757][ T4796] ? lockdep_softirqs_off+0x420/0x420
[ 290.167173][ T4796] ? kobject_add+0x210/0x210
[ 290.171803][ T4796] ? __init_swait_queue_head+0xa5/0x150
[ 290.177396][ T4796] gfs2_sys_fs_add+0x234/0x480
[ 290.182202][ T4796] ? gfs2_recover_set+0x240/0x240
[ 290.187265][ T4796] ? snprintf+0xd7/0x120
[ 290.191553][ T4796] ? __free_pages+0x95/0x1a0
[ 290.196178][ T4796] ? vscnprintf+0x80/0x80
[ 290.200555][ T4796] gfs2_fill_super+0x128d/0x1f50
[ 290.205628][ T4796] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.210680][ T4796] ? preempt_count_add+0x8d/0x190
[ 290.215729][ T4796] ? sb_set_blocksize+0xa5/0xe0
[ 290.220609][ T4796] get_tree_bdev+0x3f1/0x610
[ 290.225212][ T4796] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.230270][ T4796] gfs2_get_tree+0x4d/0x1e0
[ 290.234785][ T4796] vfs_get_tree+0x88/0x270
[ 290.239204][ T4796] do_new_mount+0x24a/0xa40
[ 290.243725][ T4796] __se_sys_mount+0x2d6/0x3c0
[ 290.248409][ T4796] ? __x64_sys_mount+0xc0/0xc0
[ 290.253178][ T4796] ? lockdep_hardirqs_on+0x94/0x140
[ 290.258376][ T4796] ? __x64_sys_mount+0x1c/0xc0
[ 290.263144][ T4796] do_syscall_64+0x4c/0xa0
[ 290.267562][ T4796] ? clear_bhb_loop+0x30/0x80
[ 290.272242][ T4796] ? clear_bhb_loop+0x30/0x80
[ 290.276917][ T4796] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 290.282820][ T4796] RIP: 0033:0x7f7aa466f76a
[ 290.287242][ T4796] 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
[ 290.306902][ T4796] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.315328][ T4796] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 290.323319][ T4796] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 290.331297][ T4796] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 290.339285][ T4796] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 290.347270][ T4796] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 290.355276][ T4796]
[ 290.362550][ T4796] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.375980][ T4796] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 17:36:48 executed programs: 179
[ 290.744030][ T4797] loop1: detected capacity change from 0 to 32768
[ 290.789638][ T4797] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.801638][ T4797] CPU: 0 PID: 4797 Comm: syz.1.194 Not tainted syzkaller #0
[ 290.809081][ T4797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 290.819171][ T4797] Call Trace:
[ 290.822493][ T4797]
[ 290.825455][ T4797] dump_stack_lvl+0x168/0x230
[ 290.830175][ T4797] ? show_regs_print_info+0x20/0x20
[ 290.835423][ T4797] ? load_image+0x3b0/0x3b0
[ 290.839969][ T4797] sysfs_create_dir_ns+0x252/0x280
[ 290.845120][ T4797] ? __lock_acquire+0x7c60/0x7c60
[ 290.850219][ T4797] ? sysfs_warn_dup+0xa0/0xa0
[ 290.854937][ T4797] ? do_raw_spin_unlock+0x11d/0x230
[ 290.860176][ T4797] kobject_add_internal+0x662/0xd00
[ 290.865427][ T4797] kobject_init_and_add+0x122/0x190
[ 290.870668][ T4797] ? lockdep_softirqs_off+0x420/0x420
[ 290.876263][ T4797] ? kobject_add+0x210/0x210
[ 290.880988][ T4797] ? __init_swait_queue_head+0xa5/0x150
[ 290.886576][ T4797] gfs2_sys_fs_add+0x234/0x480
[ 290.891381][ T4797] ? gfs2_recover_set+0x240/0x240
[ 290.896614][ T4797] ? snprintf+0xd7/0x120
[ 290.900874][ T4797] ? __free_pages+0x95/0x1a0
[ 290.905590][ T4797] ? vscnprintf+0x80/0x80
[ 290.909957][ T4797] gfs2_fill_super+0x128d/0x1f50
[ 290.914911][ T4797] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.919954][ T4797] ? preempt_count_add+0x8d/0x190
[ 290.925015][ T4797] ? sb_set_blocksize+0xa5/0xe0
[ 290.929952][ T4797] get_tree_bdev+0x3f1/0x610
[ 290.934574][ T4797] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.939608][ T4797] gfs2_get_tree+0x4d/0x1e0
[ 290.944127][ T4797] vfs_get_tree+0x88/0x270
[ 290.948644][ T4797] do_new_mount+0x24a/0xa40
[ 290.953164][ T4797] __se_sys_mount+0x2d6/0x3c0
[ 290.957843][ T4797] ? __x64_sys_mount+0xc0/0xc0
[ 290.962614][ T4797] ? lockdep_hardirqs_on+0x94/0x140
[ 290.967823][ T4797] ? __x64_sys_mount+0x1c/0xc0
[ 290.972596][ T4797] do_syscall_64+0x4c/0xa0
[ 290.977019][ T4797] ? clear_bhb_loop+0x30/0x80
[ 290.981699][ T4797] ? clear_bhb_loop+0x30/0x80
[ 290.986378][ T4797] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 290.992270][ T4797] RIP: 0033:0x7f7aa466f76a
[ 290.996690][ T4797] 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
[ 291.016312][ T4797] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.024728][ T4797] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 291.032707][ T4797] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 291.040678][ T4797] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 291.048645][ T4797] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 291.056618][ T4797] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 291.064618][ T4797]
[ 291.070726][ T4797] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.084255][ T4797] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.415492][ T27] INFO: task syz-executor:4402 blocked for more than 143 seconds.
[ 291.424126][ T27] Not tainted syzkaller #0
[ 291.429176][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 291.441029][ T27] task:syz-executor state:D stack:21952 pid: 4402 ppid: 1 flags:0x00004004
[ 291.450845][ T27] Call Trace:
[ 291.456699][ T27]
[ 291.459666][ T27] __schedule+0x11bb/0x4390
[ 291.464636][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 291.470313][ T27] ? preempt_schedule_thunk+0x16/0x18
[ 291.479359][ T27] ? _raw_spin_unlock_irqrestore+0xf6/0x100
[ 291.485721][ T27] ? _raw_spin_unlock+0x40/0x40
[ 291.488472][ T4799] loop1: detected capacity change from 0 to 32768
[ 291.490717][ T27] ? rcu_is_watching+0x11/0xa0
[ 291.502213][ T27] ? release_firmware_map_entry+0x190/0x190
[ 291.510681][ T27] schedule+0x11b/0x1e0
[ 291.516563][ T27] schedule_timeout+0x15c/0x280
[ 291.519535][ T4799] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.521465][ T27] ? console_conditional_schedule+0x40/0x40
[ 291.535426][ T27] ? update_process_times+0x200/0x200
[ 291.540856][ T27] ? prepare_to_wait_event+0x42c/0x460
[ 291.542744][ T4799] CPU: 1 PID: 4799 Comm: syz.1.195 Not tainted syzkaller #0
[ 291.546915][ T27] gfs2_gl_hash_clear+0x1a4/0x2f0
[ 291.553633][ T4799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 291.559170][ T27] ? thaw_glock+0x150/0x150
[ 291.568737][ T4799] Call Trace:
[ 291.568749][ T4799]
[ 291.568758][ T4799] dump_stack_lvl+0x168/0x230
[ 291.568788][ T4799] ? show_regs_print_info+0x20/0x20
[ 291.573941][ T27] ? gfs2_jindex_free+0x39b/0x400
[ 291.576595][ T4799] ? load_image+0x3b0/0x3b0
[ 291.576635][ T4799] sysfs_create_dir_ns+0x252/0x280
[ 291.581057][ T27] ? init_wait_entry+0xd0/0xd0
[ 291.584261][ T4799] ? __lock_acquire+0x7c60/0x7c60
[ 291.584292][ T4799] ? sysfs_warn_dup+0xa0/0xa0
[ 291.584320][ T4799] ? do_raw_spin_unlock+0x11d/0x230
[ 291.584346][ T4799] kobject_add_internal+0x662/0xd00
[ 291.584376][ T4799] kobject_init_and_add+0x122/0x190
[ 291.584397][ T4799] ? lockdep_softirqs_off+0x420/0x420
[ 291.584425][ T4799] ? kobject_add+0x210/0x210
[ 291.584451][ T4799] ? __init_swait_queue_head+0xa5/0x150
[ 291.584479][ T4799] gfs2_sys_fs_add+0x234/0x480
[ 291.584504][ T4799] ? gfs2_recover_set+0x240/0x240
[ 291.591029][ T27] ? gfs2_setbit+0x5a0/0x5a0
[ 291.594759][ T4799] ? snprintf+0xd7/0x120
[ 291.594786][ T4799] ? __free_pages+0x95/0x1a0
[ 291.594812][ T4799] ? vscnprintf+0x80/0x80
[ 291.601183][ T27] gfs2_put_super+0x769/0x7d0
[ 291.604962][ T4799] gfs2_fill_super+0x128d/0x1f50
[ 291.605005][ T4799] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.610291][ T27] ? gfs2_evict_inode+0x11f0/0x11f0
[ 291.614793][ T4799] ? preempt_count_add+0x8d/0x190
[ 291.614831][ T4799] ? sb_set_blocksize+0xa5/0xe0
[ 291.620016][ T27] generic_shutdown_super+0x130/0x300
[ 291.624719][ T4799] get_tree_bdev+0x3f1/0x610
[ 291.624748][ T4799] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.630461][ T27] kill_block_super+0x7c/0xe0
[ 291.635330][ T4799] gfs2_get_tree+0x4d/0x1e0
[ 291.635360][ T4799] vfs_get_tree+0x88/0x270
[ 291.635385][ T4799] do_new_mount+0x24a/0xa40
[ 291.635415][ T4799] __se_sys_mount+0x2d6/0x3c0
[ 291.635442][ T4799] ? __x64_sys_mount+0xc0/0xc0
[ 291.635469][ T4799] ? lockdep_hardirqs_on+0x94/0x140
[ 291.635490][ T4799] ? __x64_sys_mount+0x1c/0xc0
[ 291.643174][ T27] deactivate_locked_super+0x93/0xf0
[ 291.645477][ T4799] do_syscall_64+0x4c/0xa0
[ 291.645503][ T4799] ? clear_bhb_loop+0x30/0x80
[ 291.645525][ T4799] ? clear_bhb_loop+0x30/0x80
[ 291.651745][ T27] cleanup_mnt+0x418/0x4d0
[ 291.655831][ T4799] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.655858][ T4799] RIP: 0033:0x7f7aa466f76a
[ 291.655878][ T4799] 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
[ 291.661759][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 291.665615][ T4799] RSP: 002b:00007ffc0ede6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.665641][ T4799] RAX: ffffffffffffffda RBX: 00007ffc0ede6e90 RCX: 00007f7aa466f76a
[ 291.665656][ T4799] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc0ede6e50
[ 291.665671][ T4799] RBP: 0000200000000040 R08: 00007ffc0ede6e90 R09: 0000000000000c19
[ 291.665687][ T4799] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 291.670862][ T27] task_work_run+0x125/0x1a0
[ 291.674514][ T4799] R13: 00007ffc0ede6e50 R14: 00000000000126f3 R15: 0000200000000100
[ 291.674548][ T4799]
[ 291.717864][ T4799] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.720389][ T27] exit_to_user_mode_loop+0x10f/0x130
[ 291.724793][ T4799] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.729777][ T27] exit_to_user_mode_prepare+0xee/0x180
[ 291.909007][ T27] syscall_exit_to_user_mode+0x16/0x40
[ 291.915044][ T27] do_syscall_64+0x58/0xa0
[ 291.919720][ T27] ? clear_bhb_loop+0x30/0x80
[ 291.924760][ T27] ? clear_bhb_loop+0x30/0x80
[ 291.929555][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.935836][ T27] RIP: 0033:0x7efc9a0cd2f7
[ 291.940307][ T27] RSP: 002b:00007ffe3c0da698 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 291.948812][ T27] RAX: 0000000000000000 RBX: 00007efc9a14ed7d RCX: 00007efc9a0cd2f7
[ 291.957056][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe3c0da750
[ 291.965149][ T27] RBP: 00007ffe3c0da750 R08: 0000000000000000 R09: 0000000000000000
[ 291.973149][ T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3c0db7e0
[ 291.981175][ T27] R13: 00007efc9a14ed7d R14: 00000000000235ae R15: 00007ffe3c0db820
[ 291.989232][ T27]
[ 291.992307][ T27]
[ 291.992307][ T27] Showing all locks held in the system:
[ 292.000305][ T27] 1 lock held by khungtaskd/27:
[ 292.005212][ T27] #0: ffffffff8c11c760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 292.014650][ T27] 2 locks held by getty/3946:
[ 292.019347][ T27] #0: ffff88814c774098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 292.029183][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 292.039356][ T27] 1 lock held by syz-executor/4402:
[ 292.044619][ T27] #0: ffff8880793140e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[ 292.054886][ T27] 2 locks held by syz.1.195/4799:
[ 292.059918][ T27] #0: ffff8880203ce118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 292.069284][ T27] #1: ffff888020585468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 292.078323][ T27]
[ 292.080648][ T27] =============================================
[ 292.080648][ T27]
[ 292.089208][ T27] NMI backtrace for cpu 1
[ 292.093555][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 292.100758][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 292.110820][ T27] Call Trace:
[ 292.114111][ T27]
[ 292.117059][ T27] dump_stack_lvl+0x168/0x230
[ 292.121932][ T27] ? show_regs_print_info+0x20/0x20
[ 292.127145][ T27] ? load_image+0x3b0/0x3b0
[ 292.131661][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 292.136779][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 292.141832][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 292.148004][ T27] ? _printk+0xcc/0x110
[ 292.152188][ T27] ? load_image+0x3b0/0x3b0
[ 292.156720][ T27] ? load_image+0x3b0/0x3b0
[ 292.161252][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 292.167330][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 292.173320][ T27] watchdog+0xe0f/0xe50
[ 292.177485][ T27] kthread+0x436/0x520
[ 292.181560][ T27] ? hungtask_pm_notify+0x40/0x40
[ 292.186585][ T27] ? kthread_blkcg+0xd0/0xd0
[ 292.191178][ T27] ret_from_fork+0x1f/0x30
[ 292.195617][ T27]
[ 292.198817][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 292.204053][ C0] NMI backtrace for cpu 0
[ 292.204065][ C0] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 292.204088][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 292.204104][ C0] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 292.204134][ C0] RIP: 0010:lock_release+0x111/0x870
[ 292.204158][ C0] Code: 65 8b 05 d2 fc a5 7e 85 c0 0f 85 85 04 00 00 65 48 8b 1d 42 f3 a5 7e 4c 8d b3 ec 0a 00 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 28 05 00 00 41 83 3e 00 0f 85 58 04 00 00 48 89 5c 24
[ 292.204174][ C0] RSP: 0018:ffffc90000ce7920 EFLAGS: 00000a03
[ 292.204189][ C0] RAX: 0000000000000000 RBX: ffff88813fed0000 RCX: 0d52fd33f0daf300
[ 292.204202][ C0] RDX: 0000000000000000 RSI: ffffffff8a59e560 RDI: ffffffff8a59e520
[ 292.204215][ C0] RBP: ffffc90000ce7a30 R08: dffffc0000000000 R09: fffffbfff1ad33a6
[ 292.204229][ C0] R10: fffffbfff1ad33a6 R11: 1ffffffff1ad33a5 R12: ffff888022f5e340
[ 292.204243][ C0] R13: dffffc0000000000 R14: ffff88813fed0aec R15: 1ffff9200019cf30
[ 292.204257][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 292.204272][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 292.204285][ C0] CR2: 00007f7a9bcb2000 CR3: 000000002ac09000 CR4: 00000000003506f0
[ 292.204301][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 292.204312][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 292.204323][ C0] Call Trace:
[ 292.204328][ C0]
[ 292.204337][ C0] ? rcu_lock_release+0x5/0x20
[ 292.204354][ C0] ? read_lock_is_recursive+0x10/0x10
[ 292.204374][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 292.204393][ C0] ? batadv_iv_ogm_queue_add+0xcf0/0xcf0
[ 292.204416][ C0] batadv_iv_ogm_schedule+0x6e2/0xe90
[ 292.204441][ C0] ? batadv_iv_send_outstanding_bat_ogm_packet+0x840/0x840
[ 292.204463][ C0] ? batadv_send_skb_packet+0x392/0x5f0
[ 292.204484][ C0] batadv_iv_send_outstanding_bat_ogm_packet+0x72d/0x840
[ 292.204511][ C0] process_one_work+0x863/0x1000
[ 292.204537][ C0] ? worker_detach_from_pool+0x240/0x240
[ 292.204554][ C0] ? lockdep_hardirqs_off+0x70/0x100
[ 292.204575][ C0] ? _raw_spin_lock_irq+0xab/0xe0
[ 292.204591][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 292.204609][ C0] ? wq_worker_running+0x97/0x170
[ 292.204627][ C0] worker_thread+0xaa8/0x12a0
[ 292.204658][ C0] kthread+0x436/0x520
[ 292.204674][ C0] ? rcu_lock_release+0x20/0x20
[ 292.204689][ C0] ? kthread_blkcg+0xd0/0xd0
[ 292.204706][ C0] ret_from_fork+0x1f/0x30
[ 292.204731][ C0]
[ 292.205074][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 292.460656][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 292.467862][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 292.477927][ T27] Call Trace:
[ 292.481209][ T27]
[ 292.484146][ T27] dump_stack_lvl+0x168/0x230
[ 292.488837][ T27] ? show_regs_print_info+0x20/0x20
[ 292.494043][ T27] ? load_image+0x3b0/0x3b0
[ 292.498577][ T27] panic+0x2c9/0x7f0
[ 292.502482][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 292.508129][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 292.512670][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 292.518222][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 292.524384][ T27] watchdog+0xe4e/0xe50
[ 292.528556][ T27] kthread+0x436/0x520
[ 292.532628][ T27] ? hungtask_pm_notify+0x40/0x40
[ 292.537651][ T27] ? kthread_blkcg+0xd0/0xd0
[ 292.542242][ T27] ret_from_fork+0x1f/0x30
[ 292.546665][ T27]
[ 292.550008][ T27] Kernel Offset: disabled
[ 292.554363][ T27] Rebooting in 86400 seconds..