3533][ T4642]  ? user_path_at_empty+0x12b/0x180
[  269.158747][ T4642]  __se_sys_mount+0x2d5/0x3c0
[  269.163445][ T4642]  ? __x64_sys_mount+0xc0/0xc0
[  269.168222][ T4642]  ? syscall_enter_from_user_mode+0x2e/0x240
[  269.174221][ T4642]  ? lockdep_hardirqs_on+0x94/0x130
[  269.179448][ T4642]  ? __x64_sys_mount+0x1c/0xc0
[  269.184247][ T4642]  do_syscall_64+0x3b/0xb0
[  269.188682][ T4642]  ? clear_bhb_loop+0x15/0x70
[  269.193380][ T4642]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.199302][ T4642] RIP: 0033:0x7f945e789f5a
[  269.203737][ T4642] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  269.223364][ T4642] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  269.231916][ T4642] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  269.239917][ T4642] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  269.247926][ T4642] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  269.256051][ T4642] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  269.264048][ T4642] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  269.272147][ T4642]  </TASK>
[  269.275383][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.288709][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  269.431840][ T4645] loop3: detected capacity change from 0 to 32768
executing program
[  269.714186][ T4646] loop4: detected capacity change from 0 to 32768
[  269.735864][ T4645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.743345][ T4645] CPU: 0 PID: 4645 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  269.751971][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  269.762055][ T4645] Call Trace:
[  269.765366][ T4645]  <TASK>
[  269.768317][ T4645]  dump_stack_lvl+0x1e3/0x2d0
[  269.773028][ T4645]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  269.778693][ T4645]  ? panic+0x860/0x860
[  269.782802][ T4645]  ? sysfs_create_dir_ns+0x282/0x390
[  269.788119][ T4645]  sysfs_create_dir_ns+0x2c6/0x390
[  269.793259][ T4645]  ? sysfs_warn_dup+0xa0/0xa0
[  269.797959][ T4645]  ? do_raw_spin_unlock+0x137/0x8b0
[  269.803184][ T4645]  ? kobject_set_name_vargs+0xca/0x110
[  269.808675][ T4645]  kobject_add_internal+0x6e0/0xe00
[  269.813904][ T4645]  kobject_init_and_add+0x120/0x190
[  269.819122][ T4645]  ? lockdep_softirqs_off+0x420/0x420
[  269.824516][ T4645]  ? widen_string+0x3a/0x310
[  269.829133][ T4645]  ? kobject_add+0x210/0x210
[  269.833751][ T4645]  ? __init_swait_queue_head+0xaa/0x140
[  269.839319][ T4645]  gfs2_sys_fs_add+0x237/0x4a0
[  269.844102][ T4645]  ? gfs2_recover_set+0x240/0x240
[  269.849144][ T4645]  ? snprintf+0xd6/0x120
[  269.853409][ T4645]  ? vscnprintf+0x80/0x80
[  269.857761][ T4645]  ? read_word_at_a_time+0xe/0x20
[  269.862925][ T4645]  ? strscpy+0x89/0x220
[  269.867105][ T4645]  gfs2_fill_super+0x1299/0x2750
[  269.872090][ T4645]  ? gfs2_reconfigure+0xcf0/0xcf0
[  269.877143][ T4645]  ? ptr_to_hashval+0x60/0x60
[  269.881950][ T4645]  ? up_write+0x19d/0x580
[  269.886324][ T4645]  ? set_blocksize+0x1ec/0x370
[  269.891119][ T4645]  get_tree_bdev+0x3fe/0x620
[  269.895739][ T4645]  ? gfs2_reconfigure+0xcf0/0xcf0
[  269.900785][ T4645]  gfs2_get_tree+0x50/0x210
[  269.905311][ T4645]  ? bpf_lsm_capable+0x5/0x10
[  269.910031][ T4645]  vfs_get_tree+0x88/0x270
[  269.914473][ T4645]  do_new_mount+0x2ba/0xb40
[  269.919009][ T4645]  ? do_move_mount_old+0x160/0x160
[  269.924147][ T4645]  ? user_path_at_empty+0x12b/0x180
[  269.929367][ T4645]  __se_sys_mount+0x2d5/0x3c0
[  269.934072][ T4645]  ? __x64_sys_mount+0xc0/0xc0
[  269.938865][ T4645]  ? syscall_enter_from_user_mode+0x2e/0x240
[  269.944865][ T4645]  ? lockdep_hardirqs_on+0x94/0x130
[  269.950089][ T4645]  ? __x64_sys_mount+0x1c/0xc0
[  269.954881][ T4645]  do_syscall_64+0x3b/0xb0
[  269.959359][ T4645]  ? clear_bhb_loop+0x15/0x70
[  269.964058][ T4645]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.969970][ T4645] RIP: 0033:0x7f945e789f5a
[  269.974412][ T4645] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  269.994125][ T4645] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  270.002573][ T4645] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
executing program
[  270.010583][ T4645] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  270.018575][ T4645] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  270.026566][ T4645] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  270.034556][ T4645] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  270.040833][ T4647] loop1: detected capacity change from 0 to 32768
[  270.042554][ T4645]  </TASK>
[  270.052075][ T4645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.065229][ T4645] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.083487][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.091132][ T4647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.098524][ T4647] CPU: 0 PID: 4647 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  270.107134][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  270.117210][ T4647] Call Trace:
[  270.120506][ T4647]  <TASK>
[  270.123450][ T4647]  dump_stack_lvl+0x1e3/0x2d0
[  270.128154][ T4647]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  270.133813][ T4647]  ? panic+0x860/0x860
[  270.137904][ T4647]  ? sysfs_create_dir_ns+0x282/0x390
[  270.143216][ T4647]  sysfs_create_dir_ns+0x2c6/0x390
[  270.148353][ T4647]  ? sysfs_warn_dup+0xa0/0xa0
[  270.153048][ T4647]  ? do_raw_spin_unlock+0x137/0x8b0
[  270.158281][ T4647]  ? kobject_set_name_vargs+0xca/0x110
[  270.163760][ T4647]  kobject_add_internal+0x6e0/0xe00
[  270.168982][ T4647]  kobject_init_and_add+0x120/0x190
[  270.174201][ T4647]  ? lockdep_softirqs_off+0x420/0x420
[  270.179585][ T4647]  ? widen_string+0x3a/0x310
[  270.184192][ T4647]  ? kobject_add+0x210/0x210
[  270.188801][ T4647]  ? __init_swait_queue_head+0xaa/0x140
[  270.194372][ T4647]  gfs2_sys_fs_add+0x237/0x4a0
[  270.199160][ T4647]  ? gfs2_recover_set+0x240/0x240
[  270.204207][ T4647]  ? snprintf+0xd6/0x120
[  270.208480][ T4647]  ? vscnprintf+0x80/0x80
[  270.212838][ T4647]  ? read_word_at_a_time+0xe/0x20
[  270.217884][ T4647]  ? strscpy+0x89/0x220
[  270.222070][ T4647]  gfs2_fill_super+0x1299/0x2750
[  270.227049][ T4647]  ? gfs2_reconfigure+0xcf0/0xcf0
[  270.232101][ T4647]  ? ptr_to_hashval+0x60/0x60
[  270.236802][ T4647]  ? up_write+0x19d/0x580
[  270.241176][ T4647]  ? set_blocksize+0x1ec/0x370
[  270.245983][ T4647]  get_tree_bdev+0x3fe/0x620
[  270.250784][ T4647]  ? gfs2_reconfigure+0xcf0/0xcf0
[  270.255869][ T4647]  gfs2_get_tree+0x50/0x210
[  270.260393][ T4647]  ? bpf_lsm_capable+0x5/0x10
[  270.265096][ T4647]  vfs_get_tree+0x88/0x270
[  270.269538][ T4647]  do_new_mount+0x2ba/0xb40
[  270.274069][ T4647]  ? do_move_mount_old+0x160/0x160
[  270.279201][ T4647]  ? user_path_at_empty+0x12b/0x180
[  270.284419][ T4647]  __se_sys_mount+0x2d5/0x3c0
[  270.289119][ T4647]  ? __x64_sys_mount+0xc0/0xc0
[  270.293899][ T4647]  ? syscall_enter_from_user_mode+0x2e/0x240
[  270.299900][ T4647]  ? lockdep_hardirqs_on+0x94/0x130
[  270.305119][ T4647]  ? __x64_sys_mount+0x1c/0xc0
[  270.309907][ T4647]  do_syscall_64+0x3b/0xb0
[  270.314343][ T4647]  ? clear_bhb_loop+0x15/0x70
[  270.319037][ T4647]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.324953][ T4647] RIP: 0033:0x7f945e789f5a
[  270.329397][ T4647] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  270.349026][ T4647] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  270.357473][ T4647] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  270.365481][ T4647] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  270.373487][ T4647] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  270.381484][ T4647] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  270.389457][ T4647] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  270.397438][ T4647]  </TASK>
[  270.401054][ T4647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.414298][ T4647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.422627][ T4646] CPU: 0 PID: 4646 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  270.431240][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  270.437323][ T4648] loop2: detected capacity change from 0 to 32768
[  270.441503][ T4646] Call Trace:
[  270.441518][ T4646]  <TASK>
[  270.441528][ T4646]  dump_stack_lvl+0x1e3/0x2d0
[  270.441561][ T4646]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  270.464776][ T4646]  ? panic+0x860/0x860
[  270.468851][ T4646]  ? sysfs_create_dir_ns+0x282/0x390
[  270.474151][ T4646]  sysfs_create_dir_ns+0x2c6/0x390
[  270.479270][ T4646]  ? sysfs_warn_dup+0xa0/0xa0
[  270.483942][ T4646]  ? do_raw_spin_unlock+0x137/0x8b0
[  270.489174][ T4646]  ? kobject_set_name_vargs+0xca/0x110
[  270.494746][ T4646]  kobject_add_internal+0x6e0/0xe00
[  270.499972][ T4646]  kobject_init_and_add+0x120/0x190
[  270.505189][ T4646]  ? lockdep_softirqs_off+0x420/0x420
[  270.510558][ T4646]  ? widen_string+0x3a/0x310
[  270.515152][ T4646]  ? kobject_add+0x210/0x210
[  270.519743][ T4646]  ? __init_swait_queue_head+0xaa/0x140
[  270.525285][ T4646]  gfs2_sys_fs_add+0x237/0x4a0
[  270.530089][ T4646]  ? gfs2_recover_set+0x240/0x240
[  270.535111][ T4646]  ? snprintf+0xd6/0x120
[  270.539355][ T4646]  ? vscnprintf+0x80/0x80
[  270.543688][ T4646]  ? read_word_at_a_time+0xe/0x20
[  270.548710][ T4646]  ? strscpy+0x89/0x220
[  270.552863][ T4646]  gfs2_fill_super+0x1299/0x2750
[  270.557817][ T4646]  ? gfs2_reconfigure+0xcf0/0xcf0
[  270.562838][ T4646]  ? ptr_to_hashval+0x60/0x60
[  270.567524][ T4646]  ? up_write+0x19d/0x580
[  270.571876][ T4646]  ? set_blocksize+0x1ec/0x370
[  270.576662][ T4646]  get_tree_bdev+0x3fe/0x620
[  270.581283][ T4646]  ? gfs2_reconfigure+0xcf0/0xcf0
[  270.586314][ T4646]  gfs2_get_tree+0x50/0x210
[  270.590839][ T4646]  ? bpf_lsm_capable+0x5/0x10
[  270.595518][ T4646]  vfs_get_tree+0x88/0x270
[  270.599938][ T4646]  do_new_mount+0x2ba/0xb40
[  270.604452][ T4646]  ? do_move_mount_old+0x160/0x160
[  270.609565][ T4646]  ? user_path_at_empty+0x12b/0x180
[  270.614760][ T4646]  __se_sys_mount+0x2d5/0x3c0
[  270.619436][ T4646]  ? __x64_sys_mount+0xc0/0xc0
[  270.624218][ T4646]  ? syscall_enter_from_user_mode+0x2e/0x240
[  270.630197][ T4646]  ? lockdep_hardirqs_on+0x94/0x130
[  270.635415][ T4646]  ? __x64_sys_mount+0x1c/0xc0
[  270.640201][ T4646]  do_syscall_64+0x3b/0xb0
[  270.644619][ T4646]  ? clear_bhb_loop+0x15/0x70
[  270.649295][ T4646]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.655185][ T4646] RIP: 0033:0x7f945e789f5a
[  270.659596][ T4646] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  270.679207][ T4646] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  270.687647][ T4646] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  270.695672][ T4646] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  270.703648][ T4646] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  270.711614][ T4646] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  270.719578][ T4646] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  270.727683][ T4646]  </TASK>
[  270.730840][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.743984][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.783063][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.790546][ T4648] CPU: 0 PID: 4648 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  270.799154][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  270.809308][ T4648] Call Trace:
[  270.812603][ T4648]  <TASK>
[  270.815543][ T4648]  dump_stack_lvl+0x1e3/0x2d0
[  270.820421][ T4648]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  270.826076][ T4648]  ? panic+0x860/0x860
[  270.830169][ T4648]  ? sysfs_create_dir_ns+0x282/0x390
[  270.835479][ T4648]  sysfs_create_dir_ns+0x2c6/0x390
[  270.840612][ T4648]  ? sysfs_warn_dup+0xa0/0xa0
[  270.845310][ T4648]  ? do_raw_spin_unlock+0x137/0x8b0
[  270.850527][ T4648]  ? kobject_set_name_vargs+0xca/0x110
[  270.856013][ T4648]  kobject_add_internal+0x6e0/0xe00
[  270.861240][ T4648]  kobject_init_and_add+0x120/0x190
[  270.866478][ T4648]  ? lockdep_softirqs_off+0x420/0x420
[  270.871877][ T4648]  ? widen_string+0x3a/0x310
[  270.876497][ T4648]  ? kobject_add+0x210/0x210
[  270.881383][ T4648]  ? __init_swait_queue_head+0xaa/0x140
[  270.886961][ T4648]  gfs2_sys_fs_add+0x237/0x4a0
[  270.891758][ T4648]  ? gfs2_recover_set+0x240/0x240
[  270.896899][ T4648]  ? snprintf+0xd6/0x120
[  270.901180][ T4648]  ? vscnprintf+0x80/0x80
[  270.905546][ T4648]  ? read_word_at_a_time+0xe/0x20
[  270.910707][ T4648]  ? strscpy+0x89/0x220
[  270.914931][ T4648]  gfs2_fill_super+0x1299/0x2750
[  270.919917][ T4648]  ? gfs2_reconfigure+0xcf0/0xcf0
[  270.924970][ T4648]  ? ptr_to_hashval+0x60/0x60
[  270.929690][ T4648]  ? up_write+0x19d/0x580
[  270.934069][ T4648]  ? set_blocksize+0x1ec/0x370
[  270.938865][ T4648]  get_tree_bdev+0x3fe/0x620
[  270.943486][ T4648]  ? gfs2_reconfigure+0xcf0/0xcf0
[  270.948550][ T4648]  gfs2_get_tree+0x50/0x210
[  270.953091][ T4648]  ? bpf_lsm_capable+0x5/0x10
[  270.957809][ T4648]  vfs_get_tree+0x88/0x270
[  270.962262][ T4648]  do_new_mount+0x2ba/0xb40
[  270.966801][ T4648]  ? do_move_mount_old+0x160/0x160
[  270.971950][ T4648]  ? user_path_at_empty+0x12b/0x180
[  270.977185][ T4648]  __se_sys_mount+0x2d5/0x3c0
[  270.981900][ T4648]  ? __x64_sys_mount+0xc0/0xc0
[  270.986703][ T4648]  ? syscall_enter_from_user_mode+0x2e/0x240
[  270.992720][ T4648]  ? lockdep_hardirqs_on+0x94/0x130
[  270.997955][ T4648]  ? __x64_sys_mount+0x1c/0xc0
[  271.002757][ T4648]  do_syscall_64+0x3b/0xb0
[  271.007255][ T4648]  ? clear_bhb_loop+0x15/0x70
[  271.011963][ T4648]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  271.017888][ T4648] RIP: 0033:0x7f945e789f5a
[  271.022330][ T4648] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  271.042057][ T4648] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  271.050502][ T4648] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  271.058504][ T4648] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  271.066515][ T4648] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  271.074514][ T4648] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
executing program
[  271.082513][ T4648] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  271.090655][ T4648]  </TASK>
[  271.094164][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.107334][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  271.402459][ T4649] loop3: detected capacity change from 0 to 32768
executing program
executing program
[  271.702057][ T4652] loop1: detected capacity change from 0 to 32768
executing program
[  271.981255][ T4651] loop4: detected capacity change from 0 to 32768
[  272.023677][ T4651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.031177][ T4651] CPU: 1 PID: 4651 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  272.039791][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  272.044940][ T4653] loop2: detected capacity change from 0 to 32768
[  272.049940][ T4651] Call Trace:
[  272.049952][ T4651]  <TASK>
[  272.049961][ T4651]  dump_stack_lvl+0x1e3/0x2d0
[  272.049994][ T4651]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  272.063515][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.067291][ T4651]  ? panic+0x860/0x860
[  272.073087][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.080280][ T4651]  ? sysfs_create_dir_ns+0x282/0x390
[  272.080317][ T4651]  sysfs_create_dir_ns+0x2c6/0x390
[  272.080344][ T4651]  ? sysfs_warn_dup+0xa0/0xa0
[  272.080368][ T4651]  ? do_raw_spin_unlock+0x137/0x8b0
[  272.080392][ T4651]  ? kobject_set_name_vargs+0xca/0x110
[  272.080418][ T4651]  kobject_add_internal+0x6e0/0xe00
[  272.080446][ T4651]  kobject_init_and_add+0x120/0x190
[  272.080469][ T4651]  ? lockdep_softirqs_off+0x420/0x420
[  272.080489][ T4651]  ? widen_string+0x3a/0x310
[  272.080517][ T4651]  ? kobject_add+0x210/0x210
[  272.080544][ T4651]  ? __init_swait_queue_head+0xaa/0x140
[  272.080572][ T4651]  gfs2_sys_fs_add+0x237/0x4a0
[  272.153079][ T4651]  ? gfs2_recover_set+0x240/0x240
[  272.158134][ T4651]  ? snprintf+0xd6/0x120
[  272.162413][ T4651]  ? vscnprintf+0x80/0x80
[  272.166765][ T4651]  ? read_word_at_a_time+0xe/0x20
[  272.171797][ T4651]  ? strscpy+0x89/0x220
[  272.175963][ T4651]  gfs2_fill_super+0x1299/0x2750
[  272.180926][ T4651]  ? gfs2_reconfigure+0xcf0/0xcf0
[  272.185960][ T4651]  ? ptr_to_hashval+0x60/0x60
[  272.190671][ T4651]  ? up_write+0x19d/0x580
[  272.195043][ T4651]  ? set_blocksize+0x1ec/0x370
[  272.199824][ T4651]  get_tree_bdev+0x3fe/0x620
[  272.204434][ T4651]  ? gfs2_reconfigure+0xcf0/0xcf0
[  272.209477][ T4651]  gfs2_get_tree+0x50/0x210
[  272.213992][ T4651]  ? bpf_lsm_capable+0x5/0x10
[  272.218682][ T4651]  vfs_get_tree+0x88/0x270
[  272.223106][ T4651]  do_new_mount+0x2ba/0xb40
[  272.227623][ T4651]  ? do_move_mount_old+0x160/0x160
[  272.232746][ T4651]  ? user_path_at_empty+0x12b/0x180
[  272.237948][ T4651]  __se_sys_mount+0x2d5/0x3c0
[  272.242656][ T4651]  ? __x64_sys_mount+0xc0/0xc0
[  272.247448][ T4651]  ? syscall_enter_from_user_mode+0x2e/0x240
[  272.253434][ T4651]  ? lockdep_hardirqs_on+0x94/0x130
[  272.258640][ T4651]  ? __x64_sys_mount+0x1c/0xc0
[  272.263752][ T4651]  do_syscall_64+0x3b/0xb0
[  272.268173][ T4651]  ? clear_bhb_loop+0x15/0x70
[  272.272860][ T4651]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.278758][ T4651] RIP: 0033:0x7f945e789f5a
[  272.283183][ T4651] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  272.302885][ T4651] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  272.311406][ T4651] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  272.319383][ T4651] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  272.327361][ T4651] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  272.335514][ T4651] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  272.343496][ T4651] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  272.351491][ T4651]  </TASK>
[  272.354512][ T4652] CPU: 0 PID: 4652 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  272.355082][ T4651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.363129][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  272.363148][ T4652] Call Trace:
[  272.363156][ T4652]  <TASK>
[  272.363165][ T4652]  dump_stack_lvl+0x1e3/0x2d0
[  272.376318][ T4651] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.386337][ T4652]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  272.386373][ T4652]  ? panic+0x860/0x860
[  272.413539][ T4652]  ? sysfs_create_dir_ns+0x282/0x390
[  272.418875][ T4652]  sysfs_create_dir_ns+0x2c6/0x390
[  272.424032][ T4652]  ? sysfs_warn_dup+0xa0/0xa0
[  272.428750][ T4652]  ? do_raw_spin_unlock+0x137/0x8b0
[  272.433991][ T4652]  ? kobject_set_name_vargs+0xca/0x110
[  272.439485][ T4652]  kobject_add_internal+0x6e0/0xe00
[  272.444728][ T4652]  kobject_init_and_add+0x120/0x190
[  272.449958][ T4652]  ? lockdep_softirqs_off+0x420/0x420
[  272.455367][ T4652]  ? widen_string+0x3a/0x310
[  272.459991][ T4652]  ? kobject_add+0x210/0x210
[  272.464622][ T4652]  ? __init_swait_queue_head+0xaa/0x140
[  272.470204][ T4652]  gfs2_sys_fs_add+0x237/0x4a0
[  272.475001][ T4652]  ? gfs2_recover_set+0x240/0x240
[  272.480060][ T4652]  ? snprintf+0xd6/0x120
[  272.484339][ T4652]  ? vscnprintf+0x80/0x80
[  272.488703][ T4652]  ? read_word_at_a_time+0xe/0x20
[  272.493745][ T4652]  ? strscpy+0x89/0x220
[  272.497929][ T4652]  gfs2_fill_super+0x1299/0x2750
[  272.502913][ T4652]  ? gfs2_reconfigure+0xcf0/0xcf0
[  272.507962][ T4652]  ? ptr_to_hashval+0x60/0x60
[  272.512674][ T4652]  ? up_write+0x19d/0x580
[  272.517045][ T4652]  ? set_blocksize+0x1ec/0x370
[  272.521846][ T4652]  get_tree_bdev+0x3fe/0x620
[  272.526459][ T4652]  ? gfs2_reconfigure+0xcf0/0xcf0
[  272.531523][ T4652]  gfs2_get_tree+0x50/0x210
[  272.536040][ T4652]  ? bpf_lsm_capable+0x5/0x10
[  272.540745][ T4652]  vfs_get_tree+0x88/0x270
[  272.545207][ T4652]  do_new_mount+0x2ba/0xb40
[  272.550090][ T4652]  ? do_move_mount_old+0x160/0x160
[  272.555236][ T4652]  ? user_path_at_empty+0x12b/0x180
[  272.560462][ T4652]  __se_sys_mount+0x2d5/0x3c0
[  272.565149][ T4652]  ? __x64_sys_mount+0xc0/0xc0
[  272.569915][ T4652]  ? syscall_enter_from_user_mode+0x2e/0x240
[  272.575915][ T4652]  ? lockdep_hardirqs_on+0x94/0x130
[  272.581118][ T4652]  ? __x64_sys_mount+0x1c/0xc0
[  272.586083][ T4652]  do_syscall_64+0x3b/0xb0
[  272.590518][ T4652]  ? clear_bhb_loop+0x15/0x70
[  272.595191][ T4652]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.601117][ T4652] RIP: 0033:0x7f945e789f5a
[  272.605534][ T4652] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  272.625141][ T4652] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  272.633617][ T4652] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  272.641591][ T4652] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  272.649562][ T4652] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  272.657534][ T4652] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  272.665508][ T4652] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  272.673490][ T4652]  </TASK>
[  272.676580][ T4649] CPU: 1 PID: 4649 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  272.676888][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.685188][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  272.685205][ T4649] Call Trace:
[  272.685214][ T4649]  <TASK>
[  272.685224][ T4649]  dump_stack_lvl+0x1e3/0x2d0
[  272.698338][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.708366][ T4649]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  272.708399][ T4649]  ? panic+0x860/0x860
[  272.735414][ T4649]  ? sysfs_create_dir_ns+0x282/0x390
[  272.740731][ T4649]  sysfs_create_dir_ns+0x2c6/0x390
[  272.745864][ T4649]  ? sysfs_warn_dup+0xa0/0xa0
[  272.750562][ T4649]  ? do_raw_spin_unlock+0x137/0x8b0
[  272.755759][ T4649]  ? kobject_set_name_vargs+0xca/0x110
[  272.761216][ T4649]  kobject_add_internal+0x6e0/0xe00
[  272.766416][ T4649]  kobject_init_and_add+0x120/0x190
[  272.771616][ T4649]  ? lockdep_softirqs_off+0x420/0x420
[  272.776997][ T4649]  ? widen_string+0x3a/0x310
[  272.781596][ T4649]  ? kobject_add+0x210/0x210
[  272.786188][ T4649]  ? __init_swait_queue_head+0xaa/0x140
[  272.791732][ T4649]  gfs2_sys_fs_add+0x237/0x4a0
[  272.796491][ T4649]  ? gfs2_recover_set+0x240/0x240
[  272.801512][ T4649]  ? snprintf+0xd6/0x120
[  272.805757][ T4649]  ? vscnprintf+0x80/0x80
[  272.810087][ T4649]  ? read_word_at_a_time+0xe/0x20
[  272.815118][ T4649]  ? strscpy+0x89/0x220
[  272.819276][ T4649]  gfs2_fill_super+0x1299/0x2750
[  272.824242][ T4649]  ? gfs2_reconfigure+0xcf0/0xcf0
[  272.829280][ T4649]  ? ptr_to_hashval+0x60/0x60
[  272.833956][ T4649]  ? up_write+0x19d/0x580
[  272.838309][ T4649]  ? set_blocksize+0x1ec/0x370
[  272.843076][ T4649]  get_tree_bdev+0x3fe/0x620
[  272.847668][ T4649]  ? gfs2_reconfigure+0xcf0/0xcf0
[  272.852709][ T4649]  gfs2_get_tree+0x50/0x210
[  272.857208][ T4649]  ? bpf_lsm_capable+0x5/0x10
[  272.861899][ T4649]  vfs_get_tree+0x88/0x270
[  272.866325][ T4649]  do_new_mount+0x2ba/0xb40
[  272.870834][ T4649]  ? do_move_mount_old+0x160/0x160
[  272.875988][ T4649]  ? user_path_at_empty+0x12b/0x180
[  272.881203][ T4649]  __se_sys_mount+0x2d5/0x3c0
[  272.885890][ T4649]  ? __x64_sys_mount+0xc0/0xc0
[  272.890652][ T4649]  ? syscall_enter_from_user_mode+0x2e/0x240
[  272.896625][ T4649]  ? lockdep_hardirqs_on+0x94/0x130
[  272.901952][ T4649]  ? __x64_sys_mount+0x1c/0xc0
[  272.906729][ T4649]  do_syscall_64+0x3b/0xb0
[  272.911154][ T4649]  ? clear_bhb_loop+0x15/0x70
[  272.915843][ T4649]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.921732][ T4649] RIP: 0033:0x7f945e789f5a
[  272.926144][ T4649] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  272.945762][ T4649] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  272.954173][ T4649] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  272.962139][ T4649] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  272.970129][ T4649] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
executing program
[  272.978109][ T4649] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  272.986089][ T4649] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  272.994076][ T4649]  </TASK>
[  272.997376][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.010808][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  273.341093][ T4654] loop4: detected capacity change from 0 to 32768
[  273.347951][ T4653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.355470][ T4653] CPU: 0 PID: 4653 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  273.364092][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  273.374170][ T4653] Call Trace:
[  273.377469][ T4653]  <TASK>
[  273.380854][ T4653]  dump_stack_lvl+0x1e3/0x2d0
[  273.385566][ T4653]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  273.391317][ T4653]  ? panic+0x860/0x860
[  273.395414][ T4653]  ? sysfs_create_dir_ns+0x282/0x390
[  273.400730][ T4653]  sysfs_create_dir_ns+0x2c6/0x390
[  273.405874][ T4653]  ? sysfs_warn_dup+0xa0/0xa0
[  273.410585][ T4653]  ? do_raw_spin_unlock+0x137/0x8b0
[  273.415809][ T4653]  ? kobject_set_name_vargs+0xca/0x110
[  273.421290][ T4653]  kobject_add_internal+0x6e0/0xe00
[  273.426534][ T4653]  kobject_init_and_add+0x120/0x190
[  273.431788][ T4653]  ? lockdep_softirqs_off+0x420/0x420
[  273.437178][ T4653]  ? widen_string+0x3a/0x310
[  273.441792][ T4653]  ? kobject_add+0x210/0x210
[  273.446406][ T4653]  ? __init_swait_queue_head+0xaa/0x140
[  273.452152][ T4653]  gfs2_sys_fs_add+0x237/0x4a0
[  273.457059][ T4653]  ? gfs2_recover_set+0x240/0x240
[  273.462108][ T4653]  ? snprintf+0xd6/0x120
[  273.466376][ T4653]  ? vscnprintf+0x80/0x80
[  273.470738][ T4653]  ? read_word_at_a_time+0xe/0x20
[  273.475776][ T4653]  ? strscpy+0x89/0x220
[  273.479955][ T4653]  gfs2_fill_super+0x1299/0x2750
[  273.484932][ T4653]  ? gfs2_reconfigure+0xcf0/0xcf0
executing program
[  273.489973][ T4653]  ? ptr_to_hashval+0x60/0x60
[  273.491455][ T4655] loop1: detected capacity change from 0 to 32768
[  273.494665][ T4653]  ? up_write+0x19d/0x580
[  273.505430][ T4653]  ? set_blocksize+0x1ec/0x370
[  273.510247][ T4653]  get_tree_bdev+0x3fe/0x620
[  273.514908][ T4653]  ? gfs2_reconfigure+0xcf0/0xcf0
[  273.520007][ T4653]  gfs2_get_tree+0x50/0x210
[  273.524535][ T4653]  ? bpf_lsm_capable+0x5/0x10
[  273.529241][ T4653]  vfs_get_tree+0x88/0x270
[  273.533685][ T4653]  do_new_mount+0x2ba/0xb40
[  273.538221][ T4653]  ? do_move_mount_old+0x160/0x160
[  273.543362][ T4653]  ? user_path_at_empty+0x12b/0x180
[  273.548602][ T4653]  __se_sys_mount+0x2d5/0x3c0
[  273.553313][ T4653]  ? __x64_sys_mount+0xc0/0xc0
[  273.558104][ T4653]  ? syscall_enter_from_user_mode+0x2e/0x240
[  273.564223][ T4653]  ? lockdep_hardirqs_on+0x94/0x130
[  273.569450][ T4653]  ? __x64_sys_mount+0x1c/0xc0
[  273.574245][ T4653]  do_syscall_64+0x3b/0xb0
[  273.578730][ T4653]  ? clear_bhb_loop+0x15/0x70
[  273.583437][ T4653]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  273.589360][ T4653] RIP: 0033:0x7f945e789f5a
[  273.593807][ T4653] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  273.613438][ T4653] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  273.621879][ T4653] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  273.629866][ T4653] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  273.637855][ T4653] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  273.645843][ T4653] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  273.653927][ T4653] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  273.661946][ T4653]  </TASK>
[  273.665388][ T4653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.679080][ T4653] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  273.809579][ T4656] loop3: detected capacity change from 0 to 32768
[  273.892352][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.899864][ T4655] CPU: 1 PID: 4655 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  273.908480][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  273.918566][ T4655] Call Trace:
[  273.921879][ T4655]  <TASK>
[  273.924836][ T4655]  dump_stack_lvl+0x1e3/0x2d0
[  273.929553][ T4655]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  273.935237][ T4655]  ? panic+0x860/0x860
[  273.939326][ T4655]  ? sysfs_create_dir_ns+0x282/0x390
[  273.944637][ T4655]  sysfs_create_dir_ns+0x2c6/0x390
[  273.949770][ T4655]  ? sysfs_warn_dup+0xa0/0xa0
[  273.954473][ T4655]  ? do_raw_spin_unlock+0x137/0x8b0
[  273.959690][ T4655]  ? kobject_set_name_vargs+0xca/0x110
[  273.965171][ T4655]  kobject_add_internal+0x6e0/0xe00
[  273.970396][ T4655]  kobject_init_and_add+0x120/0x190
[  273.975610][ T4655]  ? lockdep_softirqs_off+0x420/0x420
[  273.981004][ T4655]  ? widen_string+0x3a/0x310
[  273.985621][ T4655]  ? kobject_add+0x210/0x210
[  273.990232][ T4655]  ? __init_swait_queue_head+0xaa/0x140
[  273.995796][ T4655]  gfs2_sys_fs_add+0x237/0x4a0
[  274.000582][ T4655]  ? gfs2_recover_set+0x240/0x240
[  274.005623][ T4655]  ? snprintf+0xd6/0x120
[  274.009889][ T4655]  ? vscnprintf+0x80/0x80
[  274.014242][ T4655]  ? read_word_at_a_time+0xe/0x20
[  274.019290][ T4655]  ? strscpy+0x89/0x220
[  274.023469][ T4655]  gfs2_fill_super+0x1299/0x2750
[  274.028459][ T4655]  ? gfs2_reconfigure+0xcf0/0xcf0
[  274.033512][ T4655]  ? ptr_to_hashval+0x60/0x60
[  274.038218][ T4655]  ? up_write+0x19d/0x580
[  274.042591][ T4655]  ? set_blocksize+0x1ec/0x370
[  274.047395][ T4655]  get_tree_bdev+0x3fe/0x620
[  274.052018][ T4655]  ? gfs2_reconfigure+0xcf0/0xcf0
[  274.057083][ T4655]  gfs2_get_tree+0x50/0x210
[  274.061618][ T4655]  ? bpf_lsm_capable+0x5/0x10
[  274.066326][ T4655]  vfs_get_tree+0x88/0x270
[  274.070776][ T4655]  do_new_mount+0x2ba/0xb40
[  274.075326][ T4655]  ? do_move_mount_old+0x160/0x160
[  274.080471][ T4655]  ? user_path_at_empty+0x12b/0x180
[  274.085700][ T4655]  __se_sys_mount+0x2d5/0x3c0
[  274.090418][ T4655]  ? __x64_sys_mount+0xc0/0xc0
[  274.095209][ T4655]  ? syscall_enter_from_user_mode+0x2e/0x240
[  274.101215][ T4655]  ? lockdep_hardirqs_on+0x94/0x130
[  274.106443][ T4655]  ? __x64_sys_mount+0x1c/0xc0
[  274.111239][ T4655]  do_syscall_64+0x3b/0xb0
[  274.115825][ T4655]  ? clear_bhb_loop+0x15/0x70
[  274.120652][ T4655]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  274.126575][ T4655] RIP: 0033:0x7f945e789f5a
[  274.131015][ T4655] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  274.150733][ T4655] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  274.159180][ T4655] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  274.167179][ T4655] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  274.175267][ T4655] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  274.183672][ T4655] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  274.191924][ T4655] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  274.199945][ T4655]  </TASK>
[  274.203138][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.203155][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.203171][ T4656] CPU: 0 PID: 4656 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  274.216323][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.223630][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  274.223649][ T4656] Call Trace:
[  274.223660][ T4656]  <TASK>
[  274.223671][ T4656]  dump_stack_lvl+0x1e3/0x2d0
[  274.234872][ T4654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.238832][ T4656]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  274.273024][ T4656]  ? panic+0x860/0x860
[  274.277118][ T4656]  ? sysfs_create_dir_ns+0x282/0x390
[  274.282686][ T4656]  sysfs_create_dir_ns+0x2c6/0x390
[  274.287826][ T4656]  ? sysfs_warn_dup+0xa0/0xa0
[  274.292530][ T4656]  ? do_raw_spin_unlock+0x137/0x8b0
[  274.297757][ T4656]  ? kobject_set_name_vargs+0xca/0x110
[  274.303261][ T4656]  kobject_add_internal+0x6e0/0xe00
[  274.308595][ T4656]  kobject_init_and_add+0x120/0x190
[  274.313994][ T4656]  ? lockdep_softirqs_off+0x420/0x420
[  274.319387][ T4656]  ? widen_string+0x3a/0x310
[  274.324003][ T4656]  ? kobject_add+0x210/0x210
[  274.328619][ T4656]  ? __init_swait_queue_head+0xaa/0x140
[  274.334190][ T4656]  gfs2_sys_fs_add+0x237/0x4a0
[  274.339006][ T4656]  ? gfs2_recover_set+0x240/0x240
[  274.344059][ T4656]  ? snprintf+0xd6/0x120
[  274.348344][ T4656]  ? vscnprintf+0x80/0x80
[  274.352707][ T4656]  ? read_word_at_a_time+0xe/0x20
[  274.357764][ T4656]  ? strscpy+0x89/0x220
[  274.362028][ T4656]  gfs2_fill_super+0x1299/0x2750
[  274.367013][ T4656]  ? gfs2_reconfigure+0xcf0/0xcf0
[  274.372061][ T4656]  ? ptr_to_hashval+0x60/0x60
[  274.376768][ T4656]  ? up_write+0x19d/0x580
[  274.381144][ T4656]  ? set_blocksize+0x1ec/0x370
[  274.386120][ T4656]  get_tree_bdev+0x3fe/0x620
[  274.390741][ T4656]  ? gfs2_reconfigure+0xcf0/0xcf0
[  274.395895][ T4656]  gfs2_get_tree+0x50/0x210
[  274.400545][ T4656]  ? bpf_lsm_capable+0x5/0x10
[  274.405368][ T4656]  vfs_get_tree+0x88/0x270
[  274.409822][ T4656]  do_new_mount+0x2ba/0xb40
[  274.414355][ T4656]  ? do_move_mount_old+0x160/0x160
[  274.419472][ T4656]  ? user_path_at_empty+0x12b/0x180
[  274.424722][ T4656]  __se_sys_mount+0x2d5/0x3c0
[  274.429411][ T4656]  ? __x64_sys_mount+0xc0/0xc0
[  274.434189][ T4656]  ? syscall_enter_from_user_mode+0x2e/0x240
[  274.440168][ T4656]  ? lockdep_hardirqs_on+0x94/0x130
[  274.445365][ T4656]  ? __x64_sys_mount+0x1c/0xc0
[  274.450151][ T4656]  do_syscall_64+0x3b/0xb0
[  274.454566][ T4656]  ? clear_bhb_loop+0x15/0x70
[  274.459238][ T4656]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  274.465127][ T4656] RIP: 0033:0x7f945e789f5a
[  274.469565][ T4656] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  274.489258][ T4656] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  274.497678][ T4656] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  274.505652][ T4656] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  274.513624][ T4656] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  274.521592][ T4656] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  274.529664][ T4656] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  274.537686][ T4656]  </TASK>
[  274.540897][ T4654] CPU: 1 PID: 4654 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  274.541236][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.549548][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  274.562686][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.572700][ T4654] Call Trace:
[  274.572715][ T4654]  <TASK>
[  274.572725][ T4654]  dump_stack_lvl+0x1e3/0x2d0
[  274.581669][ T4657] loop2: detected capacity change from 0 to 32768
[  274.582583][ T4654]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  274.602196][ T4654]  ? panic+0x860/0x860
[  274.606271][ T4654]  ? sysfs_create_dir_ns+0x282/0x390
[  274.611557][ T4654]  sysfs_create_dir_ns+0x2c6/0x390
[  274.616670][ T4654]  ? sysfs_warn_dup+0xa0/0xa0
[  274.621350][ T4654]  ? do_raw_spin_unlock+0x137/0x8b0
[  274.626563][ T4654]  ? kobject_set_name_vargs+0xca/0x110
[  274.632037][ T4654]  kobject_add_internal+0x6e0/0xe00
[  274.637237][ T4654]  kobject_init_and_add+0x120/0x190
[  274.642452][ T4654]  ? lockdep_softirqs_off+0x420/0x420
[  274.647826][ T4654]  ? widen_string+0x3a/0x310
[  274.652426][ T4654]  ? kobject_add+0x210/0x210
[  274.657181][ T4654]  ? __init_swait_queue_head+0xaa/0x140
[  274.662745][ T4654]  gfs2_sys_fs_add+0x237/0x4a0
[  274.667518][ T4654]  ? gfs2_recover_set+0x240/0x240
[  274.672543][ T4654]  ? snprintf+0xd6/0x120
[  274.676796][ T4654]  ? vscnprintf+0x80/0x80
[  274.681147][ T4654]  ? read_word_at_a_time+0xe/0x20
[  274.686183][ T4654]  ? strscpy+0x89/0x220
[  274.690351][ T4654]  gfs2_fill_super+0x1299/0x2750
[  274.695396][ T4654]  ? gfs2_reconfigure+0xcf0/0xcf0
[  274.700425][ T4654]  ? ptr_to_hashval+0x60/0x60
[  274.705252][ T4654]  ? up_write+0x19d/0x580
[  274.709622][ T4654]  ? set_blocksize+0x1ec/0x370
[  274.714408][ T4654]  get_tree_bdev+0x3fe/0x620
[  274.719022][ T4654]  ? gfs2_reconfigure+0xcf0/0xcf0
[  274.724052][ T4654]  gfs2_get_tree+0x50/0x210
[  274.728559][ T4654]  ? bpf_lsm_capable+0x5/0x10
[  274.733239][ T4654]  vfs_get_tree+0x88/0x270
[  274.737673][ T4654]  do_new_mount+0x2ba/0xb40
[  274.742178][ T4654]  ? do_move_mount_old+0x160/0x160
[  274.747290][ T4654]  ? user_path_at_empty+0x12b/0x180
[  274.752573][ T4654]  __se_sys_mount+0x2d5/0x3c0
[  274.757268][ T4654]  ? __x64_sys_mount+0xc0/0xc0
[  274.762048][ T4654]  ? syscall_enter_from_user_mode+0x2e/0x240
[  274.768023][ T4654]  ? lockdep_hardirqs_on+0x94/0x130
[  274.773220][ T4654]  ? __x64_sys_mount+0x1c/0xc0
[  274.778155][ T4654]  do_syscall_64+0x3b/0xb0
[  274.782568][ T4654]  ? clear_bhb_loop+0x15/0x70
[  274.787241][ T4654]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  274.793134][ T4654] RIP: 0033:0x7f945e789f5a
[  274.797548][ T4654] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  274.817152][ T4654] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  274.825582][ T4654] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  274.833653][ T4654] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  274.841620][ T4654] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  274.849606][ T4654] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  274.857593][ T4654] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  274.865598][ T4654]  </TASK>
[  274.869105][ T4654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.882469][ T4654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.893898][ T4657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.902631][ T4657] CPU: 1 PID: 4657 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  274.911248][ T4657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  274.921451][ T4657] Call Trace:
[  274.924749][ T4657]  <TASK>
[  274.927723][ T4657]  dump_stack_lvl+0x1e3/0x2d0
[  274.932432][ T4657]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  274.938084][ T4657]  ? panic+0x860/0x860
[  274.942178][ T4657]  ? sysfs_create_dir_ns+0x282/0x390
[  274.947491][ T4657]  sysfs_create_dir_ns+0x2c6/0x390
[  274.952631][ T4657]  ? sysfs_warn_dup+0xa0/0xa0
[  274.957328][ T4657]  ? do_raw_spin_unlock+0x137/0x8b0
[  274.962558][ T4657]  ? kobject_set_name_vargs+0xca/0x110
[  274.968152][ T4657]  kobject_add_internal+0x6e0/0xe00
[  274.973463][ T4657]  kobject_init_and_add+0x120/0x190
[  274.978680][ T4657]  ? lockdep_softirqs_off+0x420/0x420
[  274.984070][ T4657]  ? widen_string+0x3a/0x310
[  274.988685][ T4657]  ? kobject_add+0x210/0x210
[  274.993303][ T4657]  ? __init_swait_queue_head+0xaa/0x140
[  274.998876][ T4657]  gfs2_sys_fs_add+0x237/0x4a0
[  275.003666][ T4657]  ? gfs2_recover_set+0x240/0x240
[  275.008714][ T4657]  ? snprintf+0xd6/0x120
[  275.012994][ T4657]  ? vscnprintf+0x80/0x80
[  275.017360][ T4657]  ? read_word_at_a_time+0xe/0x20
[  275.022457][ T4657]  ? strscpy+0x89/0x220
[  275.026641][ T4657]  gfs2_fill_super+0x1299/0x2750
[  275.031622][ T4657]  ? gfs2_reconfigure+0xcf0/0xcf0
[  275.036669][ T4657]  ? ptr_to_hashval+0x60/0x60
[  275.041367][ T4657]  ? up_write+0x19d/0x580
[  275.045743][ T4657]  ? set_blocksize+0x1ec/0x370
[  275.050542][ T4657]  get_tree_bdev+0x3fe/0x620
[  275.055160][ T4657]  ? gfs2_reconfigure+0xcf0/0xcf0
[  275.060211][ T4657]  gfs2_get_tree+0x50/0x210
[  275.064735][ T4657]  ? bpf_lsm_capable+0x5/0x10
[  275.069435][ T4657]  vfs_get_tree+0x88/0x270
[  275.073874][ T4657]  do_new_mount+0x2ba/0xb40
[  275.078414][ T4657]  ? do_move_mount_old+0x160/0x160
[  275.083553][ T4657]  ? user_path_at_empty+0x12b/0x180
[  275.088777][ T4657]  __se_sys_mount+0x2d5/0x3c0
[  275.093483][ T4657]  ? __x64_sys_mount+0xc0/0xc0
[  275.098266][ T4657]  ? syscall_enter_from_user_mode+0x2e/0x240
[  275.104268][ T4657]  ? lockdep_hardirqs_on+0x94/0x130
[  275.109576][ T4657]  ? __x64_sys_mount+0x1c/0xc0
[  275.114364][ T4657]  do_syscall_64+0x3b/0xb0
[  275.118812][ T4657]  ? clear_bhb_loop+0x15/0x70
[  275.123504][ T4657]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  275.129415][ T4657] RIP: 0033:0x7f945e789f5a
[  275.133844][ T4657] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  275.153463][ T4657] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  275.161910][ T4657] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  275.169911][ T4657] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  275.177910][ T4657] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  275.185907][ T4657] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
executing program
[  275.193906][ T4657] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  275.201922][ T4657]  </TASK>
[  275.205091][ T4657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.218301][ T4657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.316455][ T4658] loop1: detected capacity change from 0 to 32768
executing program
executing program
[  275.706585][ T4660] loop3: detected capacity change from 0 to 32768
executing program
executing program
[  275.989896][ T4661] loop4: detected capacity change from 0 to 32768
[  276.003533][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.011056][ T4658] CPU: 0 PID: 4658 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  276.019664][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  276.029735][ T4658] Call Trace:
[  276.033027][ T4658]  <TASK>
[  276.035968][ T4658]  dump_stack_lvl+0x1e3/0x2d0
[  276.040664][ T4658]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  276.046314][ T4658]  ? panic+0x860/0x860
[  276.050434][ T4658]  ? sysfs_create_dir_ns+0x282/0x390
[  276.055741][ T4658]  sysfs_create_dir_ns+0x2c6/0x390
[  276.060878][ T4658]  ? sysfs_warn_dup+0xa0/0xa0
[  276.065578][ T4658]  ? do_raw_spin_unlock+0x137/0x8b0
[  276.070792][ T4658]  ? kobject_set_name_vargs+0xca/0x110
[  276.076279][ T4658]  kobject_add_internal+0x6e0/0xe00
[  276.081502][ T4658]  kobject_init_and_add+0x120/0x190
[  276.086717][ T4658]  ? lockdep_softirqs_off+0x420/0x420
[  276.092110][ T4658]  ? widen_string+0x3a/0x310
[  276.096728][ T4658]  ? kobject_add+0x210/0x210
[  276.101345][ T4658]  ? __init_swait_queue_head+0xaa/0x140
[  276.106923][ T4658]  gfs2_sys_fs_add+0x237/0x4a0
[  276.111718][ T4658]  ? gfs2_recover_set+0x240/0x240
[  276.116769][ T4658]  ? snprintf+0xd6/0x120
[  276.121040][ T4658]  ? vscnprintf+0x80/0x80
[  276.125400][ T4658]  ? read_word_at_a_time+0xe/0x20
[  276.130431][ T4658]  ? strscpy+0x89/0x220
[  276.134588][ T4658]  gfs2_fill_super+0x1299/0x2750
[  276.137158][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.139565][ T4658]  ? gfs2_reconfigure+0xcf0/0xcf0
[  276.151922][ T4658]  ? ptr_to_hashval+0x60/0x60
[  276.156633][ T4658]  ? up_write+0x19d/0x580
[  276.160986][ T4658]  ? set_blocksize+0x1ec/0x370
[  276.165763][ T4658]  get_tree_bdev+0x3fe/0x620
[  276.170391][ T4658]  ? gfs2_reconfigure+0xcf0/0xcf0
[  276.175451][ T4658]  gfs2_get_tree+0x50/0x210
[  276.179961][ T4658]  ? bpf_lsm_capable+0x5/0x10
[  276.184646][ T4658]  vfs_get_tree+0x88/0x270
[  276.189091][ T4658]  do_new_mount+0x2ba/0xb40
[  276.193687][ T4658]  ? do_move_mount_old+0x160/0x160
[  276.198814][ T4658]  ? user_path_at_empty+0x12b/0x180
[  276.204026][ T4658]  __se_sys_mount+0x2d5/0x3c0
[  276.208717][ T4658]  ? __x64_sys_mount+0xc0/0xc0
[  276.213485][ T4658]  ? syscall_enter_from_user_mode+0x2e/0x240
[  276.219497][ T4658]  ? lockdep_hardirqs_on+0x94/0x130
[  276.224707][ T4658]  ? __x64_sys_mount+0x1c/0xc0
[  276.229569][ T4658]  do_syscall_64+0x3b/0xb0
[  276.233991][ T4658]  ? clear_bhb_loop+0x15/0x70
[  276.238676][ T4658]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.244572][ T4658] RIP: 0033:0x7f945e789f5a
[  276.248994][ T4658] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  276.268611][ T4658] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  276.277048][ T4658] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  276.285024][ T4658] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  276.293006][ T4658] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  276.301003][ T4658] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  276.309002][ T4658] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  276.317018][ T4658]  </TASK>
[  276.320124][ T4660] CPU: 1 PID: 4660 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  276.320433][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.328732][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  276.328749][ T4660] Call Trace:
[  276.328757][ T4660]  <TASK>
[  276.328768][ T4660]  dump_stack_lvl+0x1e3/0x2d0
[  276.328802][ T4660]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  276.341913][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.351932][ T4660]  ? panic+0x860/0x860
[  276.351965][ T4660]  ? sysfs_create_dir_ns+0x282/0x390
[  276.366352][ T4661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.368492][ T4660]  sysfs_create_dir_ns+0x2c6/0x390
[  276.396759][ T4660]  ? sysfs_warn_dup+0xa0/0xa0
[  276.401456][ T4660]  ? do_raw_spin_unlock+0x137/0x8b0
[  276.406667][ T4660]  ? kobject_set_name_vargs+0xca/0x110
[  276.412142][ T4660]  kobject_add_internal+0x6e0/0xe00
[  276.417356][ T4660]  kobject_init_and_add+0x120/0x190
[  276.422570][ T4660]  ? lockdep_softirqs_off+0x420/0x420
[  276.427942][ T4660]  ? widen_string+0x3a/0x310
[  276.432542][ T4660]  ? kobject_add+0x210/0x210
[  276.437141][ T4660]  ? __init_swait_queue_head+0xaa/0x140
[  276.442691][ T4660]  gfs2_sys_fs_add+0x237/0x4a0
[  276.447462][ T4660]  ? gfs2_recover_set+0x240/0x240
[  276.452504][ T4660]  ? snprintf+0xd6/0x120
[  276.456773][ T4660]  ? vscnprintf+0x80/0x80
[  276.461122][ T4660]  ? read_word_at_a_time+0xe/0x20
[  276.466161][ T4660]  ? strscpy+0x89/0x220
[  276.470325][ T4660]  gfs2_fill_super+0x1299/0x2750
[  276.475287][ T4660]  ? gfs2_reconfigure+0xcf0/0xcf0
[  276.480338][ T4660]  ? ptr_to_hashval+0x60/0x60
[  276.485021][ T4660]  ? up_write+0x19d/0x580
[  276.489394][ T4660]  ? set_blocksize+0x1ec/0x370
[  276.494171][ T4660]  get_tree_bdev+0x3fe/0x620
[  276.498768][ T4660]  ? gfs2_reconfigure+0xcf0/0xcf0
[  276.503801][ T4660]  gfs2_get_tree+0x50/0x210
[  276.508307][ T4660]  ? bpf_lsm_capable+0x5/0x10
[  276.512991][ T4660]  vfs_get_tree+0x88/0x270
[  276.517426][ T4660]  do_new_mount+0x2ba/0xb40
[  276.521955][ T4660]  ? do_move_mount_old+0x160/0x160
[  276.527075][ T4660]  ? user_path_at_empty+0x12b/0x180
[  276.532279][ T4660]  __se_sys_mount+0x2d5/0x3c0
[  276.537230][ T4660]  ? __x64_sys_mount+0xc0/0xc0
[  276.542108][ T4660]  ? syscall_enter_from_user_mode+0x2e/0x240
[  276.548190][ T4660]  ? lockdep_hardirqs_on+0x94/0x130
[  276.553412][ T4660]  ? __x64_sys_mount+0x1c/0xc0
[  276.558184][ T4660]  do_syscall_64+0x3b/0xb0
[  276.562615][ T4660]  ? clear_bhb_loop+0x15/0x70
[  276.567602][ T4660]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.573512][ T4660] RIP: 0033:0x7f945e789f5a
[  276.577938][ T4660] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  276.597547][ T4660] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  276.605975][ T4660] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  276.613956][ T4660] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  276.621933][ T4660] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  276.629915][ T4660] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  276.637979][ T4660] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  276.645968][ T4660]  </TASK>
[  276.648991][ T4661] CPU: 0 PID: 4661 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  276.650661][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.657595][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  276.657611][ T4661] Call Trace:
[  276.657619][ T4661]  <TASK>
[  276.657628][ T4661]  dump_stack_lvl+0x1e3/0x2d0
[  276.671658][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.681841][ T4661]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  276.681875][ T4661]  ? panic+0x860/0x860
[  276.708990][ T4661]  ? sysfs_create_dir_ns+0x282/0x390
[  276.714317][ T4661]  sysfs_create_dir_ns+0x2c6/0x390
[  276.719471][ T4661]  ? sysfs_warn_dup+0xa0/0xa0
[  276.724174][ T4661]  ? do_raw_spin_unlock+0x137/0x8b0
[  276.729400][ T4661]  ? kobject_set_name_vargs+0xca/0x110
[  276.734894][ T4661]  kobject_add_internal+0x6e0/0xe00
[  276.740127][ T4661]  kobject_init_and_add+0x120/0x190
[  276.745350][ T4661]  ? lockdep_softirqs_off+0x420/0x420
[  276.750751][ T4661]  ? widen_string+0x3a/0x310
[  276.755370][ T4661]  ? kobject_add+0x210/0x210
[  276.759984][ T4661]  ? __init_swait_queue_head+0xaa/0x140
[  276.765556][ T4661]  gfs2_sys_fs_add+0x237/0x4a0
[  276.770348][ T4661]  ? gfs2_recover_set+0x240/0x240
[  276.775502][ T4661]  ? snprintf+0xd6/0x120
[  276.779774][ T4661]  ? vscnprintf+0x80/0x80
[  276.784130][ T4661]  ? read_word_at_a_time+0xe/0x20
[  276.789177][ T4661]  ? strscpy+0x89/0x220
[  276.793362][ T4661]  gfs2_fill_super+0x1299/0x2750
[  276.798343][ T4661]  ? gfs2_reconfigure+0xcf0/0xcf0
[  276.803397][ T4661]  ? ptr_to_hashval+0x60/0x60
[  276.808099][ T4661]  ? up_write+0x19d/0x580
[  276.812469][ T4661]  ? set_blocksize+0x1ec/0x370
[  276.817270][ T4661]  get_tree_bdev+0x3fe/0x620
[  276.821883][ T4661]  ? gfs2_reconfigure+0xcf0/0xcf0
[  276.826937][ T4661]  gfs2_get_tree+0x50/0x210
[  276.831455][ T4661]  ? bpf_lsm_capable+0x5/0x10
[  276.836153][ T4661]  vfs_get_tree+0x88/0x270
[  276.840590][ T4661]  do_new_mount+0x2ba/0xb40
[  276.845119][ T4661]  ? do_move_mount_old+0x160/0x160
[  276.850253][ T4661]  ? user_path_at_empty+0x12b/0x180
[  276.855471][ T4661]  __se_sys_mount+0x2d5/0x3c0
[  276.860172][ T4661]  ? __x64_sys_mount+0xc0/0xc0
[  276.864956][ T4661]  ? syscall_enter_from_user_mode+0x2e/0x240
[  276.871116][ T4661]  ? lockdep_hardirqs_on+0x94/0x130
[  276.876349][ T4661]  ? __x64_sys_mount+0x1c/0xc0
[  276.881140][ T4661]  do_syscall_64+0x3b/0xb0
[  276.885588][ T4661]  ? clear_bhb_loop+0x15/0x70
[  276.890295][ T4661]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.896216][ T4661] RIP: 0033:0x7f945e789f5a
[  276.900657][ T4661] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  276.920294][ T4661] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  276.928750][ T4661] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
executing program
[  276.936756][ T4661] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  276.944756][ T4661] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  276.952752][ T4661] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  276.960742][ T4661] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  276.968745][ T4661]  </TASK>
[  276.972443][ T4661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.986087][ T4661] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  277.029318][ T4663] loop2: detected capacity change from 0 to 32768
[  277.231123][ T4663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.238588][ T4663] CPU: 0 PID: 4663 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  277.247204][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  277.257279][ T4663] Call Trace:
[  277.260580][ T4663]  <TASK>
[  277.263521][ T4663]  dump_stack_lvl+0x1e3/0x2d0
[  277.268231][ T4663]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  277.273982][ T4663]  ? panic+0x860/0x860
[  277.278075][ T4663]  ? sysfs_create_dir_ns+0x282/0x390
[  277.283392][ T4663]  sysfs_create_dir_ns+0x2c6/0x390
[  277.288529][ T4663]  ? sysfs_warn_dup+0xa0/0xa0
[  277.293225][ T4663]  ? do_raw_spin_unlock+0x137/0x8b0
[  277.298443][ T4663]  ? kobject_set_name_vargs+0xca/0x110
[  277.303924][ T4663]  kobject_add_internal+0x6e0/0xe00
[  277.309146][ T4663]  kobject_init_and_add+0x120/0x190
[  277.314359][ T4663]  ? lockdep_softirqs_off+0x420/0x420
[  277.319746][ T4663]  ? widen_string+0x3a/0x310
[  277.324360][ T4663]  ? kobject_add+0x210/0x210
executing program
executing program
[  277.328977][ T4663]  ? __init_swait_queue_head+0xaa/0x140
[  277.334549][ T4663]  gfs2_sys_fs_add+0x237/0x4a0
[  277.339354][ T4663]  ? gfs2_recover_set+0x240/0x240
[  277.344407][ T4663]  ? snprintf+0xd6/0x120
[  277.348684][ T4663]  ? vscnprintf+0x80/0x80
[  277.353041][ T4663]  ? read_word_at_a_time+0xe/0x20
[  277.358092][ T4663]  ? strscpy+0x89/0x220
[  277.362278][ T4663]  gfs2_fill_super+0x1299/0x2750
[  277.367276][ T4663]  ? gfs2_reconfigure+0xcf0/0xcf0
[  277.372345][ T4663]  ? ptr_to_hashval+0x60/0x60
[  277.377052][ T4663]  ? up_write+0x19d/0x580
[  277.381419][ T4663]  ? set_blocksize+0x1ec/0x370
[  277.386301][ T4663]  get_tree_bdev+0x3fe/0x620
[  277.390918][ T4663]  ? gfs2_reconfigure+0xcf0/0xcf0
[  277.395965][ T4663]  gfs2_get_tree+0x50/0x210
[  277.400486][ T4663]  ? bpf_lsm_capable+0x5/0x10
[  277.405187][ T4663]  vfs_get_tree+0x88/0x270
[  277.409626][ T4663]  do_new_mount+0x2ba/0xb40
[  277.414160][ T4663]  ? do_move_mount_old+0x160/0x160
[  277.419316][ T4663]  ? user_path_at_empty+0x12b/0x180
[  277.424543][ T4663]  __se_sys_mount+0x2d5/0x3c0
[  277.429253][ T4663]  ? __x64_sys_mount+0xc0/0xc0
[  277.434048][ T4663]  ? syscall_enter_from_user_mode+0x2e/0x240
[  277.440055][ T4663]  ? lockdep_hardirqs_on+0x94/0x130
[  277.445287][ T4663]  ? __x64_sys_mount+0x1c/0xc0
[  277.450089][ T4663]  do_syscall_64+0x3b/0xb0
[  277.454529][ T4663]  ? clear_bhb_loop+0x15/0x70
[  277.459233][ T4663]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  277.465155][ T4663] RIP: 0033:0x7f945e789f5a
[  277.469595][ T4663] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  277.489317][ T4663] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  277.497763][ T4663] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  277.505766][ T4663] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  277.513763][ T4663] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  277.521759][ T4663] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  277.529757][ T4663] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  277.537768][ T4663]  </TASK>
[  277.541018][ T4663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.554334][ T4663] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.651434][ T4664] loop4: detected capacity change from 0 to 32768
[  277.845127][ T4665] loop1: detected capacity change from 0 to 32768
[  277.856910][ T4666] loop3: detected capacity change from 0 to 32768
[  277.863777][ T4665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.863798][ T4665] CPU: 0 PID: 4665 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  277.863821][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  277.863836][ T4665] Call Trace:
executing program
[  277.863844][ T4665]  <TASK>
[  277.863853][ T4665]  dump_stack_lvl+0x1e3/0x2d0
[  277.863887][ T4665]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  277.863914][ T4665]  ? panic+0x860/0x860
[  277.863941][ T4665]  ? sysfs_create_dir_ns+0x282/0x390
[  277.863974][ T4665]  sysfs_create_dir_ns+0x2c6/0x390
[  277.864002][ T4665]  ? sysfs_warn_dup+0xa0/0xa0
[  277.925659][ T4665]  ? do_raw_spin_unlock+0x137/0x8b0
[  277.930910][ T4665]  ? kobject_set_name_vargs+0xca/0x110
[  277.936399][ T4665]  kobject_add_internal+0x6e0/0xe00
[  277.941663][ T4665]  kobject_init_and_add+0x120/0x190
[  277.946884][ T4665]  ? lockdep_softirqs_off+0x420/0x420
[  277.952273][ T4665]  ? widen_string+0x3a/0x310
[  277.956890][ T4665]  ? kobject_add+0x210/0x210
[  277.961513][ T4665]  ? __init_swait_queue_head+0xaa/0x140
[  277.967089][ T4665]  gfs2_sys_fs_add+0x237/0x4a0
[  277.971879][ T4665]  ? gfs2_recover_set+0x240/0x240
[  277.976926][ T4665]  ? snprintf+0xd6/0x120
[  277.981200][ T4665]  ? vscnprintf+0x80/0x80
[  277.985559][ T4665]  ? read_word_at_a_time+0xe/0x20
[  277.990603][ T4665]  ? strscpy+0x89/0x220
[  277.994786][ T4665]  gfs2_fill_super+0x1299/0x2750
[  277.999770][ T4665]  ? gfs2_reconfigure+0xcf0/0xcf0
[  278.004818][ T4665]  ? ptr_to_hashval+0x60/0x60
[  278.009522][ T4665]  ? up_write+0x19d/0x580
[  278.013888][ T4665]  ? set_blocksize+0x1ec/0x370
[  278.018687][ T4665]  get_tree_bdev+0x3fe/0x620
[  278.023303][ T4665]  ? gfs2_reconfigure+0xcf0/0xcf0
[  278.028369][ T4665]  gfs2_get_tree+0x50/0x210
[  278.032912][ T4665]  ? bpf_lsm_capable+0x5/0x10
[  278.037607][ T4665]  vfs_get_tree+0x88/0x270
[  278.042040][ T4665]  do_new_mount+0x2ba/0xb40
[  278.046581][ T4665]  ? do_move_mount_old+0x160/0x160
[  278.051737][ T4665]  ? user_path_at_empty+0x12b/0x180
[  278.056979][ T4665]  __se_sys_mount+0x2d5/0x3c0
[  278.061687][ T4665]  ? __x64_sys_mount+0xc0/0xc0
[  278.066475][ T4665]  ? syscall_enter_from_user_mode+0x2e/0x240
[  278.072494][ T4665]  ? lockdep_hardirqs_on+0x94/0x130
[  278.077732][ T4665]  ? __x64_sys_mount+0x1c/0xc0
[  278.082522][ T4665]  do_syscall_64+0x3b/0xb0
[  278.087048][ T4665]  ? clear_bhb_loop+0x15/0x70
[  278.091751][ T4665]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  278.097670][ T4665] RIP: 0033:0x7f945e789f5a
[  278.102116][ T4665] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  278.121745][ T4665] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  278.130230][ T4665] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  278.138226][ T4665] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  278.146216][ T4665] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  278.154208][ T4665] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  278.162204][ T4665] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  278.170214][ T4665]  </TASK>
[  278.173398][ T4665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.186550][ T4665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.245881][ T4666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.253387][ T4666] CPU: 1 PID: 4666 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  278.262001][ T4666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  278.269435][ T4667] loop2: detected capacity change from 0 to 32768
[  278.272098][ T4666] Call Trace:
[  278.272111][ T4666]  <TASK>
[  278.272120][ T4666]  dump_stack_lvl+0x1e3/0x2d0
[  278.272153][ T4666]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  278.295279][ T4666]  ? panic+0x860/0x860
[  278.299379][ T4666]  ? sysfs_create_dir_ns+0x282/0x390
[  278.304692][ T4666]  sysfs_create_dir_ns+0x2c6/0x390
[  278.309830][ T4666]  ? sysfs_warn_dup+0xa0/0xa0
[  278.314531][ T4666]  ? do_raw_spin_unlock+0x137/0x8b0
[  278.319770][ T4666]  ? kobject_set_name_vargs+0xca/0x110
[  278.325286][ T4666]  kobject_add_internal+0x6e0/0xe00
[  278.330514][ T4666]  kobject_init_and_add+0x120/0x190
[  278.335736][ T4666]  ? lockdep_softirqs_off+0x420/0x420
[  278.341121][ T4666]  ? widen_string+0x3a/0x310
[  278.345819][ T4666]  ? kobject_add+0x210/0x210
[  278.350431][ T4666]  ? __init_swait_queue_head+0xaa/0x140
[  278.356037][ T4666]  gfs2_sys_fs_add+0x237/0x4a0
[  278.360826][ T4666]  ? gfs2_recover_set+0x240/0x240
[  278.365873][ T4666]  ? snprintf+0xd6/0x120
[  278.370128][ T4666]  ? vscnprintf+0x80/0x80
[  278.374463][ T4666]  ? read_word_at_a_time+0xe/0x20
[  278.379503][ T4666]  ? strscpy+0x89/0x220
[  278.383662][ T4666]  gfs2_fill_super+0x1299/0x2750
[  278.388613][ T4666]  ? gfs2_reconfigure+0xcf0/0xcf0
[  278.393811][ T4666]  ? ptr_to_hashval+0x60/0x60
[  278.398488][ T4666]  ? up_write+0x19d/0x580
[  278.402828][ T4666]  ? set_blocksize+0x1ec/0x370
[  278.407707][ T4666]  get_tree_bdev+0x3fe/0x620
[  278.412380][ T4666]  ? gfs2_reconfigure+0xcf0/0xcf0
[  278.417405][ T4666]  gfs2_get_tree+0x50/0x210
[  278.421903][ T4666]  ? bpf_lsm_capable+0x5/0x10
[  278.426581][ T4666]  vfs_get_tree+0x88/0x270
[  278.430994][ T4666]  do_new_mount+0x2ba/0xb40
[  278.435506][ T4666]  ? do_move_mount_old+0x160/0x160
[  278.440662][ T4666]  ? user_path_at_empty+0x12b/0x180
[  278.445887][ T4666]  __se_sys_mount+0x2d5/0x3c0
[  278.450571][ T4666]  ? __x64_sys_mount+0xc0/0xc0
[  278.455334][ T4666]  ? syscall_enter_from_user_mode+0x2e/0x240
[  278.461314][ T4666]  ? lockdep_hardirqs_on+0x94/0x130
[  278.466529][ T4666]  ? __x64_sys_mount+0x1c/0xc0
[  278.471297][ T4666]  do_syscall_64+0x3b/0xb0
[  278.475733][ T4666]  ? clear_bhb_loop+0x15/0x70
[  278.480434][ T4666]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  278.486325][ T4666] RIP: 0033:0x7f945e789f5a
[  278.490764][ T4666] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  278.510399][ T4666] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  278.520376][ T4666] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  278.528790][ T4666] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  278.536966][ T4666] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  278.545006][ T4666] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  278.553010][ T4666] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  278.561007][ T4666]  </TASK>
[  278.564678][ T4666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.577948][ T4666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.584983][ T4664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.592579][ T4664] CPU: 0 PID: 4664 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  278.601541][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  278.611708][ T4664] Call Trace:
[  278.615124][ T4664]  <TASK>
[  278.618172][ T4664]  dump_stack_lvl+0x1e3/0x2d0
[  278.622903][ T4664]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  278.628995][ T4664]  ? panic+0x860/0x860
[  278.633081][ T4664]  ? sysfs_create_dir_ns+0x282/0x390
[  278.638435][ T4664]  sysfs_create_dir_ns+0x2c6/0x390
[  278.643657][ T4664]  ? sysfs_warn_dup+0xa0/0xa0
[  278.648439][ T4664]  ? do_raw_spin_unlock+0x137/0x8b0
[  278.653646][ T4664]  ? kobject_set_name_vargs+0xca/0x110
[  278.659111][ T4664]  kobject_add_internal+0x6e0/0xe00
[  278.664435][ T4664]  kobject_init_and_add+0x120/0x190
[  278.669640][ T4664]  ? lockdep_softirqs_off+0x420/0x420
[  278.675145][ T4664]  ? widen_string+0x3a/0x310
[  278.679768][ T4664]  ? kobject_add+0x210/0x210
[  278.684367][ T4664]  ? __init_swait_queue_head+0xaa/0x140
[  278.690268][ T4664]  gfs2_sys_fs_add+0x237/0x4a0
[  278.695061][ T4664]  ? gfs2_recover_set+0x240/0x240
[  278.700098][ T4664]  ? snprintf+0xd6/0x120
[  278.704374][ T4664]  ? vscnprintf+0x80/0x80
[  278.708833][ T4664]  ? read_word_at_a_time+0xe/0x20
[  278.714120][ T4664]  ? strscpy+0x89/0x220
[  278.718288][ T4664]  gfs2_fill_super+0x1299/0x2750
[  278.723378][ T4664]  ? gfs2_reconfigure+0xcf0/0xcf0
[  278.728441][ T4664]  ? ptr_to_hashval+0x60/0x60
[  278.733124][ T4664]  ? up_write+0x19d/0x580
[  278.737489][ T4664]  ? set_blocksize+0x1ec/0x370
[  278.742262][ T4664]  get_tree_bdev+0x3fe/0x620
[  278.746964][ T4664]  ? gfs2_reconfigure+0xcf0/0xcf0
[  278.752081][ T4664]  gfs2_get_tree+0x50/0x210
[  278.756675][ T4664]  ? bpf_lsm_capable+0x5/0x10
[  278.761372][ T4664]  vfs_get_tree+0x88/0x270
[  278.765988][ T4664]  do_new_mount+0x2ba/0xb40
[  278.770606][ T4664]  ? do_move_mount_old+0x160/0x160
[  278.775811][ T4664]  ? user_path_at_empty+0x12b/0x180
[  278.781018][ T4664]  __se_sys_mount+0x2d5/0x3c0
[  278.785712][ T4664]  ? __x64_sys_mount+0xc0/0xc0
[  278.790597][ T4664]  ? syscall_enter_from_user_mode+0x2e/0x240
[  278.796592][ T4664]  ? lockdep_hardirqs_on+0x94/0x130
[  278.801973][ T4664]  ? __x64_sys_mount+0x1c/0xc0
[  278.806774][ T4664]  do_syscall_64+0x3b/0xb0
[  278.811250][ T4664]  ? clear_bhb_loop+0x15/0x70
[  278.815934][ T4664]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  278.821832][ T4664] RIP: 0033:0x7f945e789f5a
[  278.826246][ T4664] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  278.845850][ T4664] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  278.854284][ T4664] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  278.862281][ T4664] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  278.870254][ T4664] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  278.878228][ T4664] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  278.886201][ T4664] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  278.894184][ T4664]  </TASK>
[  278.897309][ T4664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.910563][ T4664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.926060][ T4667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.934039][ T4667] CPU: 1 PID: 4667 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  278.942654][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  278.952730][ T4667] Call Trace:
[  278.956034][ T4667]  <TASK>
[  278.958974][ T4667]  dump_stack_lvl+0x1e3/0x2d0
[  278.963680][ T4667]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  278.969331][ T4667]  ? panic+0x860/0x860
[  278.973422][ T4667]  ? sysfs_create_dir_ns+0x282/0x390
[  278.978762][ T4667]  sysfs_create_dir_ns+0x2c6/0x390
[  278.983896][ T4667]  ? sysfs_warn_dup+0xa0/0xa0
[  278.988594][ T4667]  ? do_raw_spin_unlock+0x137/0x8b0
[  278.993813][ T4667]  ? kobject_set_name_vargs+0xca/0x110
[  278.999302][ T4667]  kobject_add_internal+0x6e0/0xe00
[  279.004527][ T4667]  kobject_init_and_add+0x120/0x190
[  279.009748][ T4667]  ? lockdep_softirqs_off+0x420/0x420
[  279.015235][ T4667]  ? widen_string+0x3a/0x310
[  279.019862][ T4667]  ? kobject_add+0x210/0x210
[  279.024489][ T4667]  ? __init_swait_queue_head+0xaa/0x140
[  279.030066][ T4667]  gfs2_sys_fs_add+0x237/0x4a0
[  279.034862][ T4667]  ? gfs2_recover_set+0x240/0x240
[  279.039910][ T4667]  ? snprintf+0xd6/0x120
[  279.044213][ T4667]  ? vscnprintf+0x80/0x80
[  279.048562][ T4667]  ? read_word_at_a_time+0xe/0x20
[  279.053607][ T4667]  ? strscpy+0x89/0x220
[  279.057794][ T4667]  gfs2_fill_super+0x1299/0x2750
[  279.062781][ T4667]  ? gfs2_reconfigure+0xcf0/0xcf0
[  279.067836][ T4667]  ? ptr_to_hashval+0x60/0x60
[  279.072540][ T4667]  ? up_write+0x19d/0x580
[  279.076913][ T4667]  ? set_blocksize+0x1ec/0x370
[  279.081721][ T4667]  get_tree_bdev+0x3fe/0x620
[  279.086344][ T4667]  ? gfs2_reconfigure+0xcf0/0xcf0
[  279.091410][ T4667]  gfs2_get_tree+0x50/0x210
[  279.095944][ T4667]  ? bpf_lsm_capable+0x5/0x10
[  279.100657][ T4667]  vfs_get_tree+0x88/0x270
[  279.105114][ T4667]  do_new_mount+0x2ba/0xb40
[  279.109657][ T4667]  ? do_move_mount_old+0x160/0x160
[  279.114806][ T4667]  ? user_path_at_empty+0x12b/0x180
[  279.120039][ T4667]  __se_sys_mount+0x2d5/0x3c0
[  279.124756][ T4667]  ? __x64_sys_mount+0xc0/0xc0
[  279.129555][ T4667]  ? syscall_enter_from_user_mode+0x2e/0x240
[  279.135568][ T4667]  ? lockdep_hardirqs_on+0x94/0x130
[  279.140811][ T4667]  ? __x64_sys_mount+0x1c/0xc0
[  279.145613][ T4667]  do_syscall_64+0x3b/0xb0
[  279.150060][ T4667]  ? clear_bhb_loop+0x15/0x70
[  279.154769][ T4667]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  279.160695][ T4667] RIP: 0033:0x7f945e789f5a
[  279.165225][ T4667] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  279.184896][ T4667] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  279.193338][ T4667] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  279.201346][ T4667] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  279.209362][ T4667] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  279.217379][ T4667] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  279.225385][ T4667] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  279.233424][ T4667]  </TASK>
[  279.236658][ T4667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[  279.249838][ T4667] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.554231][ T4668] loop1: detected capacity change from 0 to 32768
executing program
[  279.641134][ T4668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.648636][ T4668] CPU: 0 PID: 4668 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  279.657258][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  279.667339][ T4668] Call Trace:
[  279.670648][ T4668]  <TASK>
[  279.673590][ T4668]  dump_stack_lvl+0x1e3/0x2d0
[  279.678310][ T4668]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  279.683972][ T4668]  ? panic+0x860/0x860
[  279.688070][ T4668]  ? sysfs_create_dir_ns+0x282/0x390
[  279.693479][ T4668]  sysfs_create_dir_ns+0x2c6/0x390
[  279.698616][ T4668]  ? sysfs_warn_dup+0xa0/0xa0
[  279.703314][ T4668]  ? do_raw_spin_unlock+0x137/0x8b0
[  279.708540][ T4668]  ? kobject_set_name_vargs+0xca/0x110
[  279.714023][ T4668]  kobject_add_internal+0x6e0/0xe00
[  279.719250][ T4668]  kobject_init_and_add+0x120/0x190
[  279.724468][ T4668]  ? lockdep_softirqs_off+0x420/0x420
[  279.729863][ T4668]  ? widen_string+0x3a/0x310
[  279.734477][ T4668]  ? kobject_add+0x210/0x210
[  279.739090][ T4668]  ? __init_swait_queue_head+0xaa/0x140
[  279.744657][ T4668]  gfs2_sys_fs_add+0x237/0x4a0
[  279.749442][ T4668]  ? gfs2_recover_set+0x240/0x240
[  279.754546][ T4668]  ? snprintf+0xd6/0x120
[  279.758815][ T4668]  ? vscnprintf+0x80/0x80
[  279.759024][ T4669] loop3: detected capacity change from 0 to 32768
[  279.763162][ T4668]  ? read_word_at_a_time+0xe/0x20
[  279.763189][ T4668]  ? strscpy+0x89/0x220
[  279.763216][ T4668]  gfs2_fill_super+0x1299/0x2750
[  279.783746][ T4668]  ? gfs2_reconfigure+0xcf0/0xcf0
[  279.788803][ T4668]  ? ptr_to_hashval+0x60/0x60
[  279.793509][ T4668]  ? up_write+0x19d/0x580
[  279.797886][ T4668]  ? set_blocksize+0x1ec/0x370
[  279.802689][ T4668]  get_tree_bdev+0x3fe/0x620
[  279.807308][ T4668]  ? gfs2_reconfigure+0xcf0/0xcf0
[  279.812363][ T4668]  gfs2_get_tree+0x50/0x210
[  279.816895][ T4668]  ? bpf_lsm_capable+0x5/0x10
[  279.821605][ T4668]  vfs_get_tree+0x88/0x270
[  279.826054][ T4668]  do_new_mount+0x2ba/0xb40
[  279.830588][ T4668]  ? do_move_mount_old+0x160/0x160
[  279.835731][ T4668]  ? user_path_at_empty+0x12b/0x180
[  279.840955][ T4668]  __se_sys_mount+0x2d5/0x3c0
[  279.845663][ T4668]  ? __x64_sys_mount+0xc0/0xc0
[  279.850449][ T4668]  ? syscall_enter_from_user_mode+0x2e/0x240
[  279.856449][ T4668]  ? lockdep_hardirqs_on+0x94/0x130
[  279.861680][ T4668]  ? __x64_sys_mount+0x1c/0xc0
[  279.866476][ T4668]  do_syscall_64+0x3b/0xb0
[  279.870917][ T4668]  ? clear_bhb_loop+0x15/0x70
[  279.875615][ T4668]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  279.881521][ T4668] RIP: 0033:0x7f945e789f5a
[  279.885951][ T4668] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  279.905572][ T4668] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  279.914014][ T4668] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  279.922013][ T4668] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  279.930011][ T4668] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
executing program
executing program
executing program
[  279.938010][ T4668] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  279.946008][ T4668] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  279.954049][ T4668]  </TASK>
[  279.957159][ T4668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.970321][ T4668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.072414][ T4670] loop4: detected capacity change from 0 to 32768
[  280.279754][ T4672] loop2: detected capacity change from 0 to 32768
[  280.293888][ T4670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.301464][ T4670] CPU: 0 PID: 4670 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  280.310174][ T4670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  280.320256][ T4670] Call Trace:
[  280.323561][ T4670]  <TASK>
[  280.326505][ T4670]  dump_stack_lvl+0x1e3/0x2d0
[  280.331258][ T4670]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  280.336916][ T4670]  ? panic+0x860/0x860
[  280.341009][ T4670]  ? sysfs_create_dir_ns+0x282/0x390
[  280.346320][ T4670]  sysfs_create_dir_ns+0x2c6/0x390
[  280.351464][ T4670]  ? sysfs_warn_dup+0xa0/0xa0
[  280.356166][ T4670]  ? do_raw_spin_unlock+0x137/0x8b0
[  280.361385][ T4670]  ? kobject_set_name_vargs+0xca/0x110
[  280.366869][ T4670]  kobject_add_internal+0x6e0/0xe00
[  280.372104][ T4670]  kobject_init_and_add+0x120/0x190
[  280.377323][ T4670]  ? lockdep_softirqs_off+0x420/0x420
[  280.382713][ T4670]  ? widen_string+0x3a/0x310
[  280.387593][ T4670]  ? kobject_add+0x210/0x210
[  280.392382][ T4670]  ? __init_swait_queue_head+0xaa/0x140
[  280.397951][ T4670]  gfs2_sys_fs_add+0x237/0x4a0
[  280.402734][ T4670]  ? gfs2_recover_set+0x240/0x240
[  280.407784][ T4670]  ? snprintf+0xd6/0x120
[  280.412061][ T4670]  ? vscnprintf+0x80/0x80
[  280.416436][ T4670]  ? read_word_at_a_time+0xe/0x20
[  280.421491][ T4670]  ? strscpy+0x89/0x220
[  280.425686][ T4670]  gfs2_fill_super+0x1299/0x2750
[  280.430676][ T4670]  ? gfs2_reconfigure+0xcf0/0xcf0
[  280.435730][ T4670]  ? ptr_to_hashval+0x60/0x60
[  280.440448][ T4670]  ? up_write+0x19d/0x580
[  280.444831][ T4670]  ? set_blocksize+0x1ec/0x370
[  280.449770][ T4670]  get_tree_bdev+0x3fe/0x620
[  280.454395][ T4670]  ? gfs2_reconfigure+0xcf0/0xcf0
[  280.459457][ T4670]  gfs2_get_tree+0x50/0x210
[  280.463993][ T4670]  ? bpf_lsm_capable+0x5/0x10
[  280.468716][ T4670]  vfs_get_tree+0x88/0x270
[  280.473158][ T4670]  do_new_mount+0x2ba/0xb40
[  280.477668][ T4670]  ? do_move_mount_old+0x160/0x160
[  280.482784][ T4670]  ? user_path_at_empty+0x12b/0x180
[  280.488105][ T4670]  __se_sys_mount+0x2d5/0x3c0
[  280.492897][ T4670]  ? __x64_sys_mount+0xc0/0xc0
[  280.497682][ T4670]  ? syscall_enter_from_user_mode+0x2e/0x240
[  280.503710][ T4670]  ? lockdep_hardirqs_on+0x94/0x130
[  280.508922][ T4670]  ? __x64_sys_mount+0x1c/0xc0
[  280.513716][ T4670]  do_syscall_64+0x3b/0xb0
[  280.518159][ T4670]  ? clear_bhb_loop+0x15/0x70
[  280.522841][ T4670]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  280.529027][ T4670] RIP: 0033:0x7f945e789f5a
[  280.533478][ T4670] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  280.553275][ T4670] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  280.561716][ T4670] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  280.569693][ T4670] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  280.577666][ T4670] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  280.585641][ T4670] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  280.593613][ T4670] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  280.601617][ T4670]  </TASK>
[  280.604838][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.605112][ T4670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.612321][ T4669] CPU: 1 PID: 4669 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  280.625367][ T4670] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.633920][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  280.633937][ T4669] Call Trace:
[  280.633946][ T4669]  <TASK>
[  280.633956][ T4669]  dump_stack_lvl+0x1e3/0x2d0
[  280.645368][ T4671] loop1: detected capacity change from 0 to 32768
[  280.650489][ T4669]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  280.673409][ T4669]  ? panic+0x860/0x860
[  280.677510][ T4669]  ? sysfs_create_dir_ns+0x282/0x390
[  280.682825][ T4669]  sysfs_create_dir_ns+0x2c6/0x390
[  280.687965][ T4669]  ? sysfs_warn_dup+0xa0/0xa0
[  280.692663][ T4669]  ? do_raw_spin_unlock+0x137/0x8b0
[  280.697880][ T4669]  ? kobject_set_name_vargs+0xca/0x110
[  280.703364][ T4669]  kobject_add_internal+0x6e0/0xe00
[  280.708595][ T4669]  kobject_init_and_add+0x120/0x190
[  280.713822][ T4669]  ? lockdep_softirqs_off+0x420/0x420
[  280.719212][ T4669]  ? widen_string+0x3a/0x310
[  280.723827][ T4669]  ? kobject_add+0x210/0x210
[  280.728437][ T4669]  ? __init_swait_queue_head+0xaa/0x140
[  280.734002][ T4669]  gfs2_sys_fs_add+0x237/0x4a0
[  280.738790][ T4669]  ? gfs2_recover_set+0x240/0x240
[  280.743839][ T4669]  ? snprintf+0xd6/0x120
[  280.748117][ T4669]  ? vscnprintf+0x80/0x80
[  280.752540][ T4672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.752747][ T4669]  ? read_word_at_a_time+0xe/0x20
[  280.765118][ T4669]  ? strscpy+0x89/0x220
[  280.769292][ T4669]  gfs2_fill_super+0x1299/0x2750
[  280.774253][ T4669]  ? gfs2_reconfigure+0xcf0/0xcf0
[  280.779292][ T4669]  ? ptr_to_hashval+0x60/0x60
[  280.783977][ T4669]  ? up_write+0x19d/0x580
[  280.788327][ T4669]  ? set_blocksize+0x1ec/0x370
[  280.793103][ T4669]  get_tree_bdev+0x3fe/0x620
[  280.797873][ T4669]  ? gfs2_reconfigure+0xcf0/0xcf0
[  280.803019][ T4669]  gfs2_get_tree+0x50/0x210
[  280.807532][ T4669]  ? bpf_lsm_capable+0x5/0x10
[  280.812219][ T4669]  vfs_get_tree+0x88/0x270
[  280.816645][ T4669]  do_new_mount+0x2ba/0xb40
[  280.821159][ T4669]  ? do_move_mount_old+0x160/0x160
[  280.826284][ T4669]  ? user_path_at_empty+0x12b/0x180
[  280.831486][ T4669]  __se_sys_mount+0x2d5/0x3c0
[  280.836171][ T4669]  ? __x64_sys_mount+0xc0/0xc0
[  280.840938][ T4669]  ? syscall_enter_from_user_mode+0x2e/0x240
[  280.846921][ T4669]  ? lockdep_hardirqs_on+0x94/0x130
[  280.852130][ T4669]  ? __x64_sys_mount+0x1c/0xc0
[  280.856900][ T4669]  do_syscall_64+0x3b/0xb0
[  280.861323][ T4669]  ? clear_bhb_loop+0x15/0x70
[  280.866007][ T4669]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  280.871911][ T4669] RIP: 0033:0x7f945e789f5a
[  280.876333][ T4669] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  280.895947][ T4669] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  280.904455][ T4669] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  280.912433][ T4669] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  280.920502][ T4669] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  280.928567][ T4669] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  280.936547][ T4669] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  280.944538][ T4669]  </TASK>
[  280.947561][ T4672] CPU: 0 PID: 4672 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  280.947904][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.956159][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  280.956177][ T4672] Call Trace:
[  280.956185][ T4672]  <TASK>
[  280.956195][ T4672]  dump_stack_lvl+0x1e3/0x2d0
[  280.969329][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.979346][ T4672]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  280.979381][ T4672]  ? panic+0x860/0x860
[  281.006458][ T4672]  ? sysfs_create_dir_ns+0x282/0x390
[  281.011781][ T4672]  sysfs_create_dir_ns+0x2c6/0x390
[  281.016931][ T4672]  ? sysfs_warn_dup+0xa0/0xa0
[  281.021639][ T4672]  ? do_raw_spin_unlock+0x137/0x8b0
[  281.026842][ T4672]  ? kobject_set_name_vargs+0xca/0x110
[  281.032301][ T4672]  kobject_add_internal+0x6e0/0xe00
[  281.037521][ T4672]  kobject_init_and_add+0x120/0x190
[  281.042737][ T4672]  ? lockdep_softirqs_off+0x420/0x420
[  281.048105][ T4672]  ? widen_string+0x3a/0x310
[  281.052715][ T4672]  ? kobject_add+0x210/0x210
[  281.057305][ T4672]  ? __init_swait_queue_head+0xaa/0x140
[  281.062874][ T4672]  gfs2_sys_fs_add+0x237/0x4a0
[  281.067642][ T4672]  ? gfs2_recover_set+0x240/0x240
[  281.072661][ T4672]  ? snprintf+0xd6/0x120
[  281.076903][ T4672]  ? vscnprintf+0x80/0x80
[  281.081236][ T4672]  ? read_word_at_a_time+0xe/0x20
[  281.086259][ T4672]  ? strscpy+0x89/0x220
[  281.090413][ T4672]  gfs2_fill_super+0x1299/0x2750
[  281.095390][ T4672]  ? gfs2_reconfigure+0xcf0/0xcf0
[  281.100429][ T4672]  ? ptr_to_hashval+0x60/0x60
[  281.105129][ T4672]  ? up_write+0x19d/0x580
[  281.109469][ T4672]  ? set_blocksize+0x1ec/0x370
[  281.114236][ T4672]  get_tree_bdev+0x3fe/0x620
[  281.118845][ T4672]  ? gfs2_reconfigure+0xcf0/0xcf0
[  281.123866][ T4672]  gfs2_get_tree+0x50/0x210
[  281.128365][ T4672]  ? bpf_lsm_capable+0x5/0x10
[  281.133039][ T4672]  vfs_get_tree+0x88/0x270
[  281.137463][ T4672]  do_new_mount+0x2ba/0xb40
[  281.141981][ T4672]  ? do_move_mount_old+0x160/0x160
[  281.147107][ T4672]  ? user_path_at_empty+0x12b/0x180
[  281.152310][ T4672]  __se_sys_mount+0x2d5/0x3c0
[  281.156989][ T4672]  ? __x64_sys_mount+0xc0/0xc0
[  281.161758][ T4672]  ? syscall_enter_from_user_mode+0x2e/0x240
[  281.167736][ T4672]  ? lockdep_hardirqs_on+0x94/0x130
[  281.172945][ T4672]  ? __x64_sys_mount+0x1c/0xc0
[  281.177706][ T4672]  do_syscall_64+0x3b/0xb0
[  281.182123][ T4672]  ? clear_bhb_loop+0x15/0x70
[  281.186798][ T4672]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  281.192699][ T4672] RIP: 0033:0x7f945e789f5a
[  281.197110][ T4672] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  281.216746][ T4672] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  281.225165][ T4672] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  281.233158][ T4672] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  281.241141][ T4672] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  281.249127][ T4672] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  281.257102][ T4672] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  281.265088][ T4672]  </TASK>
[  281.268502][ T4672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.281738][ T4672] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.292152][ T4671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.299636][ T4671] CPU: 1 PID: 4671 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  281.308282][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  281.318367][ T4671] Call Trace:
[  281.321671][ T4671]  <TASK>
[  281.324628][ T4671]  dump_stack_lvl+0x1e3/0x2d0
[  281.329345][ T4671]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  281.335100][ T4671]  ? panic+0x860/0x860
[  281.339212][ T4671]  ? sysfs_create_dir_ns+0x282/0x390
[  281.344547][ T4671]  sysfs_create_dir_ns+0x2c6/0x390
[  281.349695][ T4671]  ? sysfs_warn_dup+0xa0/0xa0
[  281.354420][ T4671]  ? do_raw_spin_unlock+0x137/0x8b0
[  281.359673][ T4671]  ? kobject_set_name_vargs+0xca/0x110
[  281.365169][ T4671]  kobject_add_internal+0x6e0/0xe00
[  281.370410][ T4671]  kobject_init_and_add+0x120/0x190
[  281.375643][ T4671]  ? lockdep_softirqs_off+0x420/0x420
[  281.381086][ T4671]  ? widen_string+0x3a/0x310
[  281.385714][ T4671]  ? kobject_add+0x210/0x210
[  281.390375][ T4671]  ? __init_swait_queue_head+0xaa/0x140
[  281.395958][ T4671]  gfs2_sys_fs_add+0x237/0x4a0
[  281.400758][ T4671]  ? gfs2_recover_set+0x240/0x240
[  281.405811][ T4671]  ? snprintf+0xd6/0x120
[  281.410183][ T4671]  ? vscnprintf+0x80/0x80
[  281.415423][ T4671]  ? read_word_at_a_time+0xe/0x20
[  281.420478][ T4671]  ? strscpy+0x89/0x220
[  281.424666][ T4671]  gfs2_fill_super+0x1299/0x2750
[  281.429656][ T4671]  ? gfs2_reconfigure+0xcf0/0xcf0
[  281.434713][ T4671]  ? ptr_to_hashval+0x60/0x60
[  281.439425][ T4671]  ? up_write+0x19d/0x580
[  281.443804][ T4671]  ? set_blocksize+0x1ec/0x370
[  281.448611][ T4671]  get_tree_bdev+0x3fe/0x620
[  281.453236][ T4671]  ? gfs2_reconfigure+0xcf0/0xcf0
[  281.458294][ T4671]  gfs2_get_tree+0x50/0x210
[  281.462877][ T4671]  ? bpf_lsm_capable+0x5/0x10
[  281.467587][ T4671]  vfs_get_tree+0x88/0x270
[  281.472047][ T4671]  do_new_mount+0x2ba/0xb40
[  281.476589][ T4671]  ? do_move_mount_old+0x160/0x160
[  281.481736][ T4671]  ? user_path_at_empty+0x12b/0x180
[  281.486977][ T4671]  __se_sys_mount+0x2d5/0x3c0
[  281.491692][ T4671]  ? __x64_sys_mount+0xc0/0xc0
[  281.496483][ T4671]  ? syscall_enter_from_user_mode+0x2e/0x240
[  281.502492][ T4671]  ? lockdep_hardirqs_on+0x94/0x130
[  281.507733][ T4671]  ? __x64_sys_mount+0x1c/0xc0
[  281.512527][ T4671]  do_syscall_64+0x3b/0xb0
[  281.516972][ T4671]  ? clear_bhb_loop+0x15/0x70
[  281.521683][ T4671]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  281.527607][ T4671] RIP: 0033:0x7f945e789f5a
[  281.532046][ T4671] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  281.551679][ T4671] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  281.560129][ T4671] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  281.568128][ T4671] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  281.576261][ T4671] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  281.584265][ T4671] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  281.592272][ T4671] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  281.600302][ T4671]  </TASK>
[  281.603428][ T4671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.616602][ T4671] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[  282.105386][ T4673] loop4: detected capacity change from 0 to 32768
[  282.105459][ T4675] loop2: detected capacity change from 0 to 32768
[  282.120214][ T4675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.127793][ T4675] CPU: 1 PID: 4675 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  282.136411][ T4675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  282.146492][ T4675] Call Trace:
[  282.149794][ T4675]  <TASK>
[  282.152751][ T4675]  dump_stack_lvl+0x1e3/0x2d0
[  282.157473][ T4675]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  282.163174][ T4675]  ? panic+0x860/0x860
[  282.167415][ T4675]  ? sysfs_create_dir_ns+0x282/0x390
[  282.172736][ T4675]  sysfs_create_dir_ns+0x2c6/0x390
[  282.177882][ T4675]  ? sysfs_warn_dup+0xa0/0xa0
[  282.182594][ T4675]  ? do_raw_spin_unlock+0x137/0x8b0
[  282.187823][ T4675]  ? kobject_set_name_vargs+0xca/0x110
[  282.193313][ T4675]  kobject_add_internal+0x6e0/0xe00
[  282.198548][ T4675]  kobject_init_and_add+0x120/0x190
[  282.203772][ T4675]  ? lockdep_softirqs_off+0x420/0x420
[  282.209167][ T4675]  ? widen_string+0x3a/0x310
[  282.213788][ T4675]  ? kobject_add+0x210/0x210
[  282.218404][ T4675]  ? __init_swait_queue_head+0xaa/0x140
[  282.224162][ T4675]  gfs2_sys_fs_add+0x237/0x4a0
[  282.228956][ T4675]  ? gfs2_recover_set+0x240/0x240
[  282.234002][ T4675]  ? snprintf+0xd6/0x120
[  282.238371][ T4675]  ? vscnprintf+0x80/0x80
[  282.242740][ T4675]  ? read_word_at_a_time+0xe/0x20
[  282.247797][ T4675]  ? strscpy+0x89/0x220
[  282.252090][ T4675]  gfs2_fill_super+0x1299/0x2750
[  282.257075][ T4675]  ? gfs2_reconfigure+0xcf0/0xcf0
[  282.262161][ T4675]  ? ptr_to_hashval+0x60/0x60
[  282.266862][ T4675]  ? up_write+0x19d/0x580
[  282.271226][ T4675]  ? set_blocksize+0x1ec/0x370
[  282.276128][ T4675]  get_tree_bdev+0x3fe/0x620
[  282.280753][ T4675]  ? gfs2_reconfigure+0xcf0/0xcf0
[  282.285815][ T4675]  gfs2_get_tree+0x50/0x210
[  282.290348][ T4675]  ? bpf_lsm_capable+0x5/0x10
[  282.295246][ T4675]  vfs_get_tree+0x88/0x270
[  282.299707][ T4675]  do_new_mount+0x2ba/0xb40
[  282.304246][ T4675]  ? do_move_mount_old+0x160/0x160
[  282.309396][ T4675]  ? user_path_at_empty+0x12b/0x180
[  282.314625][ T4675]  __se_sys_mount+0x2d5/0x3c0
[  282.319333][ T4675]  ? __x64_sys_mount+0xc0/0xc0
[  282.324125][ T4675]  ? syscall_enter_from_user_mode+0x2e/0x240
[  282.330148][ T4675]  ? lockdep_hardirqs_on+0x94/0x130
[  282.335386][ T4675]  ? __x64_sys_mount+0x1c/0xc0
[  282.340192][ T4675]  do_syscall_64+0x3b/0xb0
[  282.344722][ T4675]  ? clear_bhb_loop+0x15/0x70
[  282.349465][ T4675]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  282.355383][ T4675] RIP: 0033:0x7f945e789f5a
[  282.359819][ T4675] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  282.379551][ T4675] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  282.388622][ T4675] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  282.396616][ T4675] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  282.404726][ T4675] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  282.412736][ T4675] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  282.420746][ T4675] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  282.428754][ T4675]  </TASK>
[  282.432003][ T4675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.445167][ T4675] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.450626][ T4676] loop1: detected capacity change from 0 to 32768
[  282.465950][ T4673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.473546][ T4673] CPU: 0 PID: 4673 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  282.482175][ T4673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  282.492258][ T4673] Call Trace:
[  282.495556][ T4673]  <TASK>
[  282.498500][ T4673]  dump_stack_lvl+0x1e3/0x2d0
[  282.503202][ T4673]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  282.508861][ T4673]  ? panic+0x860/0x860
[  282.512956][ T4673]  ? sysfs_create_dir_ns+0x282/0x390
[  282.518272][ T4673]  sysfs_create_dir_ns+0x2c6/0x390
[  282.523411][ T4673]  ? sysfs_warn_dup+0xa0/0xa0
[  282.528117][ T4673]  ? do_raw_spin_unlock+0x137/0x8b0
[  282.533351][ T4673]  ? kobject_set_name_vargs+0xca/0x110
[  282.538840][ T4673]  kobject_add_internal+0x6e0/0xe00
[  282.544076][ T4673]  kobject_init_and_add+0x120/0x190
[  282.549499][ T4673]  ? lockdep_softirqs_off+0x420/0x420
[  282.554893][ T4673]  ? widen_string+0x3a/0x310
[  282.559512][ T4673]  ? kobject_add+0x210/0x210
[  282.564139][ T4673]  ? __init_swait_queue_head+0xaa/0x140
[  282.569713][ T4673]  gfs2_sys_fs_add+0x237/0x4a0
[  282.574503][ T4673]  ? gfs2_recover_set+0x240/0x240
[  282.579545][ T4673]  ? snprintf+0xd6/0x120
[  282.583813][ T4673]  ? vscnprintf+0x80/0x80
[  282.588162][ T4673]  ? read_word_at_a_time+0xe/0x20
[  282.593202][ T4673]  ? strscpy+0x89/0x220
[  282.597376][ T4673]  gfs2_fill_super+0x1299/0x2750
[  282.602352][ T4673]  ? gfs2_reconfigure+0xcf0/0xcf0
[  282.607392][ T4673]  ? ptr_to_hashval+0x60/0x60
[  282.612094][ T4673]  ? up_write+0x19d/0x580
[  282.616473][ T4673]  ? set_blocksize+0x1ec/0x370
[  282.621271][ T4673]  get_tree_bdev+0x3fe/0x620
[  282.625890][ T4673]  ? gfs2_reconfigure+0xcf0/0xcf0
[  282.630943][ T4673]  gfs2_get_tree+0x50/0x210
[  282.635472][ T4673]  ? bpf_lsm_capable+0x5/0x10
[  282.640177][ T4673]  vfs_get_tree+0x88/0x270
[  282.644621][ T4673]  do_new_mount+0x2ba/0xb40
[  282.649157][ T4673]  ? do_move_mount_old+0x160/0x160
[  282.654295][ T4673]  ? user_path_at_empty+0x12b/0x180
[  282.659520][ T4673]  __se_sys_mount+0x2d5/0x3c0
[  282.664227][ T4673]  ? __x64_sys_mount+0xc0/0xc0
[  282.669028][ T4673]  ? syscall_enter_from_user_mode+0x2e/0x240
[  282.675039][ T4673]  ? lockdep_hardirqs_on+0x94/0x130
[  282.680269][ T4673]  ? __x64_sys_mount+0x1c/0xc0
[  282.685150][ T4673]  do_syscall_64+0x3b/0xb0
[  282.689588][ T4673]  ? clear_bhb_loop+0x15/0x70
[  282.694470][ T4673]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  282.700383][ T4673] RIP: 0033:0x7f945e789f5a
[  282.704813][ T4673] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  282.724439][ T4673] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  282.732883][ T4673] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  282.740874][ T4673] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  282.748873][ T4673] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
executing program
executing program
[  282.756870][ T4673] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  282.764858][ T4673] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  282.772864][ T4673]  </TASK>
[  282.776132][ T4673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.777077][ T4674] loop3: detected capacity change from 0 to 32768
[  282.789279][ T4673] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.822758][ T4676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.830168][ T4676] CPU: 1 PID: 4676 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  282.838778][ T4676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  282.848862][ T4676] Call Trace:
[  282.852158][ T4676]  <TASK>
[  282.855102][ T4676]  dump_stack_lvl+0x1e3/0x2d0
[  282.859806][ T4676]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  282.865499][ T4676]  ? panic+0x860/0x860
[  282.869592][ T4676]  ? sysfs_create_dir_ns+0x282/0x390
[  282.874913][ T4676]  sysfs_create_dir_ns+0x2c6/0x390
[  282.880048][ T4676]  ? sysfs_warn_dup+0xa0/0xa0
[  282.884754][ T4676]  ? do_raw_spin_unlock+0x137/0x8b0
[  282.889979][ T4676]  ? kobject_set_name_vargs+0xca/0x110
[  282.895466][ T4676]  kobject_add_internal+0x6e0/0xe00
[  282.900699][ T4676]  kobject_init_and_add+0x120/0x190
[  282.905919][ T4676]  ? lockdep_softirqs_off+0x420/0x420
[  282.911311][ T4676]  ? widen_string+0x3a/0x310
[  282.915928][ T4676]  ? kobject_add+0x210/0x210
[  282.920629][ T4676]  ? __init_swait_queue_head+0xaa/0x140
[  282.926194][ T4676]  gfs2_sys_fs_add+0x237/0x4a0
[  282.930978][ T4676]  ? gfs2_recover_set+0x240/0x240
[  282.936017][ T4676]  ? snprintf+0xd6/0x120
[  282.940277][ T4676]  ? vscnprintf+0x80/0x80
[  282.944628][ T4676]  ? read_word_at_a_time+0xe/0x20
[  282.949669][ T4676]  ? strscpy+0x89/0x220
[  282.953845][ T4676]  gfs2_fill_super+0x1299/0x2750
[  282.958833][ T4676]  ? gfs2_reconfigure+0xcf0/0xcf0
[  282.963886][ T4676]  ? ptr_to_hashval+0x60/0x60
[  282.968593][ T4676]  ? up_write+0x19d/0x580
[  282.972975][ T4676]  ? set_blocksize+0x1ec/0x370
[  282.977770][ T4676]  get_tree_bdev+0x3fe/0x620
[  282.982387][ T4676]  ? gfs2_reconfigure+0xcf0/0xcf0
[  282.987434][ T4676]  gfs2_get_tree+0x50/0x210
[  282.991961][ T4676]  ? bpf_lsm_capable+0x5/0x10
[  282.996671][ T4676]  vfs_get_tree+0x88/0x270
[  283.001112][ T4676]  do_new_mount+0x2ba/0xb40
[  283.005641][ T4676]  ? do_move_mount_old+0x160/0x160
[  283.010780][ T4676]  ? user_path_at_empty+0x12b/0x180
[  283.016006][ T4676]  __se_sys_mount+0x2d5/0x3c0
[  283.020737][ T4676]  ? __x64_sys_mount+0xc0/0xc0
[  283.025517][ T4676]  ? syscall_enter_from_user_mode+0x2e/0x240
[  283.031514][ T4676]  ? lockdep_hardirqs_on+0x94/0x130
[  283.036740][ T4676]  ? __x64_sys_mount+0x1c/0xc0
[  283.041525][ T4676]  do_syscall_64+0x3b/0xb0
[  283.045961][ T4676]  ? clear_bhb_loop+0x15/0x70
[  283.050655][ T4676]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  283.056563][ T4676] RIP: 0033:0x7f945e789f5a
[  283.060995][ T4676] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  283.080621][ T4676] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  283.089061][ T4676] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  283.097052][ T4676] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  283.105043][ T4676] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  283.113033][ T4676] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  283.121029][ T4676] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  283.129035][ T4676]  </TASK>
[  283.142885][ T4677] loop4: detected capacity change from 0 to 32768
[  283.172639][ T4677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.180052][ T4677] CPU: 0 PID: 4677 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  283.188665][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  283.198743][ T4677] Call Trace:
[  283.202044][ T4677]  <TASK>
[  283.205084][ T4677]  dump_stack_lvl+0x1e3/0x2d0
[  283.209789][ T4677]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  283.215441][ T4677]  ? panic+0x860/0x860
[  283.219560][ T4677]  ? sysfs_create_dir_ns+0x282/0x390
[  283.224868][ T4677]  sysfs_create_dir_ns+0x2c6/0x390
[  283.229984][ T4677]  ? sysfs_warn_dup+0xa0/0xa0
[  283.234655][ T4677]  ? do_raw_spin_unlock+0x137/0x8b0
[  283.239854][ T4677]  ? kobject_set_name_vargs+0xca/0x110
[  283.245347][ T4677]  kobject_add_internal+0x6e0/0xe00
[  283.250549][ T4677]  kobject_init_and_add+0x120/0x190
[  283.255745][ T4677]  ? lockdep_softirqs_off+0x420/0x420
[  283.261112][ T4677]  ? widen_string+0x3a/0x310
[  283.265701][ T4677]  ? kobject_add+0x210/0x210
[  283.270292][ T4677]  ? __init_swait_queue_head+0xaa/0x140
[  283.275834][ T4677]  gfs2_sys_fs_add+0x237/0x4a0
[  283.280604][ T4677]  ? gfs2_recover_set+0x240/0x240
[  283.285636][ T4677]  ? snprintf+0xd6/0x120
[  283.289888][ T4677]  ? vscnprintf+0x80/0x80
[  283.294235][ T4677]  ? read_word_at_a_time+0xe/0x20
[  283.299264][ T4677]  ? strscpy+0x89/0x220
[  283.303611][ T4677]  gfs2_fill_super+0x1299/0x2750
[  283.308653][ T4677]  ? gfs2_reconfigure+0xcf0/0xcf0
[  283.313692][ T4677]  ? ptr_to_hashval+0x60/0x60
[  283.318388][ T4677]  ? up_write+0x19d/0x580
[  283.322731][ T4677]  ? set_blocksize+0x1ec/0x370
[  283.327506][ T4677]  get_tree_bdev+0x3fe/0x620
[  283.332097][ T4677]  ? gfs2_reconfigure+0xcf0/0xcf0
[  283.337122][ T4677]  gfs2_get_tree+0x50/0x210
[  283.341625][ T4677]  ? bpf_lsm_capable+0x5/0x10
[  283.346299][ T4677]  vfs_get_tree+0x88/0x270
[  283.350714][ T4677]  do_new_mount+0x2ba/0xb40
[  283.355227][ T4677]  ? do_move_mount_old+0x160/0x160
[  283.360339][ T4677]  ? user_path_at_empty+0x12b/0x180
[  283.365552][ T4677]  __se_sys_mount+0x2d5/0x3c0
[  283.370232][ T4677]  ? __x64_sys_mount+0xc0/0xc0
[  283.375001][ T4677]  ? syscall_enter_from_user_mode+0x2e/0x240
[  283.380983][ T4677]  ? lockdep_hardirqs_on+0x94/0x130
[  283.386182][ T4677]  ? __x64_sys_mount+0x1c/0xc0
[  283.390944][ T4677]  do_syscall_64+0x3b/0xb0
[  283.395379][ T4677]  ? clear_bhb_loop+0x15/0x70
[  283.400051][ T4677]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  283.405941][ T4677] RIP: 0033:0x7f945e789f5a
[  283.410378][ T4677] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  283.430075][ T4677] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  283.438536][ T4677] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  283.446513][ T4677] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  283.454484][ T4677] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  283.462461][ T4677] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  283.470518][ T4677] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  283.478585][ T4677]  </TASK>
[  283.481766][ T4676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.482173][ T4677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.495072][ T4676] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.508117][ T4677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.516524][ T4674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.528632][ T4674] CPU: 0 PID: 4674 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  283.537238][ T4674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  283.547315][ T4674] Call Trace:
[  283.550642][ T4674]  <TASK>
[  283.553582][ T4674]  dump_stack_lvl+0x1e3/0x2d0
[  283.558382][ T4674]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  283.564035][ T4674]  ? panic+0x860/0x860
[  283.568123][ T4674]  ? sysfs_create_dir_ns+0x282/0x390
[  283.573433][ T4674]  sysfs_create_dir_ns+0x2c6/0x390
[  283.578565][ T4674]  ? sysfs_warn_dup+0xa0/0xa0
[  283.583263][ T4674]  ? do_raw_spin_unlock+0x137/0x8b0
[  283.588481][ T4674]  ? kobject_set_name_vargs+0xca/0x110
[  283.593960][ T4674]  kobject_add_internal+0x6e0/0xe00
[  283.599181][ T4674]  kobject_init_and_add+0x120/0x190
[  283.604395][ T4674]  ? lockdep_softirqs_off+0x420/0x420
[  283.609786][ T4674]  ? widen_string+0x3a/0x310
[  283.614421][ T4674]  ? kobject_add+0x210/0x210
[  283.619047][ T4674]  ? __init_swait_queue_head+0xaa/0x140
executing program
[  283.624627][ T4674]  gfs2_sys_fs_add+0x237/0x4a0
[  283.629425][ T4674]  ? gfs2_recover_set+0x240/0x240
[  283.634481][ T4674]  ? snprintf+0xd6/0x120
[  283.638758][ T4674]  ? vscnprintf+0x80/0x80
[  283.643121][ T4674]  ? read_word_at_a_time+0xe/0x20
[  283.648176][ T4674]  ? strscpy+0x89/0x220
[  283.652367][ T4674]  gfs2_fill_super+0x1299/0x2750
[  283.657351][ T4674]  ? gfs2_reconfigure+0xcf0/0xcf0
[  283.662406][ T4674]  ? ptr_to_hashval+0x60/0x60
[  283.667206][ T4674]  ? up_write+0x19d/0x580
[  283.671581][ T4674]  ? set_blocksize+0x1ec/0x370
[  283.676376][ T4674]  get_tree_bdev+0x3fe/0x620
[  283.680987][ T4674]  ? gfs2_reconfigure+0xcf0/0xcf0
[  283.686036][ T4674]  gfs2_get_tree+0x50/0x210
[  283.690560][ T4674]  ? bpf_lsm_capable+0x5/0x10
[  283.695261][ T4674]  vfs_get_tree+0x88/0x270
[  283.699701][ T4674]  do_new_mount+0x2ba/0xb40
[  283.704232][ T4674]  ? do_move_mount_old+0x160/0x160
[  283.709368][ T4674]  ? user_path_at_empty+0x12b/0x180
[  283.714592][ T4674]  __se_sys_mount+0x2d5/0x3c0
[  283.719295][ T4674]  ? __x64_sys_mount+0xc0/0xc0
[  283.724080][ T4674]  ? syscall_enter_from_user_mode+0x2e/0x240
[  283.730082][ T4674]  ? lockdep_hardirqs_on+0x94/0x130
[  283.735307][ T4674]  ? __x64_sys_mount+0x1c/0xc0
[  283.740097][ T4674]  do_syscall_64+0x3b/0xb0
[  283.744538][ T4674]  ? clear_bhb_loop+0x15/0x70
[  283.749238][ T4674]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  283.755155][ T4674] RIP: 0033:0x7f945e789f5a
[  283.759591][ T4674] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  283.779211][ T4674] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  283.787645][ T4674] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  283.795632][ T4674] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  283.803629][ T4674] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  283.811712][ T4674] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  283.819708][ T4674] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  283.827723][ T4674]  </TASK>
[  283.831336][ T4674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.844501][ T4674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.925766][ T4678] loop2: detected capacity change from 0 to 32768
[  284.031515][ T4678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.038935][ T4678] CPU: 1 PID: 4678 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  284.047585][ T4678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  284.057659][ T4678] Call Trace:
[  284.060960][ T4678]  <TASK>
[  284.063905][ T4678]  dump_stack_lvl+0x1e3/0x2d0
[  284.068613][ T4678]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  284.074270][ T4678]  ? panic+0x860/0x860
[  284.078363][ T4678]  ? sysfs_create_dir_ns+0x282/0x390
[  284.083680][ T4678]  sysfs_create_dir_ns+0x2c6/0x390
[  284.088819][ T4678]  ? sysfs_warn_dup+0xa0/0xa0
[  284.093519][ T4678]  ? do_raw_spin_unlock+0x137/0x8b0
[  284.098752][ T4678]  ? kobject_set_name_vargs+0xca/0x110
[  284.104235][ T4678]  kobject_add_internal+0x6e0/0xe00
[  284.109461][ T4678]  kobject_init_and_add+0x120/0x190
[  284.114680][ T4678]  ? lockdep_softirqs_off+0x420/0x420
[  284.120076][ T4678]  ? widen_string+0x3a/0x310
[  284.124717][ T4678]  ? kobject_add+0x210/0x210
[  284.129331][ T4678]  ? __init_swait_queue_head+0xaa/0x140
[  284.134906][ T4678]  gfs2_sys_fs_add+0x237/0x4a0
[  284.139696][ T4678]  ? gfs2_recover_set+0x240/0x240
[  284.144742][ T4678]  ? snprintf+0xd6/0x120
[  284.149015][ T4678]  ? vscnprintf+0x80/0x80
[  284.153374][ T4678]  ? read_word_at_a_time+0xe/0x20
[  284.158524][ T4678]  ? strscpy+0x89/0x220
[  284.162712][ T4678]  gfs2_fill_super+0x1299/0x2750
[  284.167699][ T4678]  ? gfs2_reconfigure+0xcf0/0xcf0
[  284.172746][ T4678]  ? ptr_to_hashval+0x60/0x60
[  284.177447][ T4678]  ? up_write+0x19d/0x580
[  284.181821][ T4678]  ? set_blocksize+0x1ec/0x370
[  284.186735][ T4678]  get_tree_bdev+0x3fe/0x620
[  284.191405][ T4678]  ? gfs2_reconfigure+0xcf0/0xcf0
[  284.196463][ T4678]  gfs2_get_tree+0x50/0x210
[  284.201000][ T4678]  ? bpf_lsm_capable+0x5/0x10
[  284.205715][ T4678]  vfs_get_tree+0x88/0x270
[  284.210175][ T4678]  do_new_mount+0x2ba/0xb40
[  284.214717][ T4678]  ? do_move_mount_old+0x160/0x160
[  284.219862][ T4678]  ? user_path_at_empty+0x12b/0x180
[  284.225098][ T4678]  __se_sys_mount+0x2d5/0x3c0
[  284.229823][ T4678]  ? __x64_sys_mount+0xc0/0xc0
[  284.234620][ T4678]  ? syscall_enter_from_user_mode+0x2e/0x240
[  284.240632][ T4678]  ? lockdep_hardirqs_on+0x94/0x130
[  284.245865][ T4678]  ? __x64_sys_mount+0x1c/0xc0
[  284.250671][ T4678]  do_syscall_64+0x3b/0xb0
[  284.255116][ T4678]  ? clear_bhb_loop+0x15/0x70
[  284.259820][ T4678]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  284.265747][ T4678] RIP: 0033:0x7f945e789f5a
[  284.270208][ T4678] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  284.289834][ T4678] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  284.298280][ T4678] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  284.306363][ T4678] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  284.314362][ T4678] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  284.322372][ T4678] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
executing program
executing program
[  284.330370][ T4678] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  284.338384][ T4678]  </TASK>
[  284.341653][ T4678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.354526][ T4679] loop4: detected capacity change from 0 to 32768
[  284.354818][ T4678] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  284.660347][ T4680] loop1: detected capacity change from 0 to 32768
[  284.673440][ T4679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.681172][ T4679] CPU: 1 PID: 4679 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  284.689788][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  284.699868][ T4679] Call Trace:
[  284.703166][ T4679]  <TASK>
[  284.706108][ T4679]  dump_stack_lvl+0x1e3/0x2d0
[  284.710811][ T4679]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  284.716481][ T4679]  ? panic+0x860/0x860
[  284.720573][ T4679]  ? sysfs_create_dir_ns+0x282/0x390
[  284.725922][ T4679]  sysfs_create_dir_ns+0x2c6/0x390
[  284.731065][ T4679]  ? sysfs_warn_dup+0xa0/0xa0
[  284.735801][ T4679]  ? do_raw_spin_unlock+0x137/0x8b0
[  284.741056][ T4679]  ? kobject_set_name_vargs+0xca/0x110
[  284.746541][ T4679]  kobject_add_internal+0x6e0/0xe00
[  284.751768][ T4679]  kobject_init_and_add+0x120/0x190
executing program
[  284.756984][ T4679]  ? lockdep_softirqs_off+0x420/0x420
[  284.762379][ T4679]  ? widen_string+0x3a/0x310
[  284.767082][ T4679]  ? kobject_add+0x210/0x210
[  284.767923][ T4682] loop3: detected capacity change from 0 to 32768
[  284.771694][ T4679]  ? __init_swait_queue_head+0xaa/0x140
[  284.771727][ T4679]  gfs2_sys_fs_add+0x237/0x4a0
[  284.788457][ T4679]  ? gfs2_recover_set+0x240/0x240
[  284.793518][ T4679]  ? snprintf+0xd6/0x120
[  284.797811][ T4679]  ? vscnprintf+0x80/0x80
[  284.802172][ T4679]  ? read_word_at_a_time+0xe/0x20
[  284.807221][ T4679]  ? strscpy+0x89/0x220
[  284.811402][ T4679]  gfs2_fill_super+0x1299/0x2750
[  284.816389][ T4679]  ? gfs2_reconfigure+0xcf0/0xcf0
[  284.821437][ T4679]  ? ptr_to_hashval+0x60/0x60
[  284.826145][ T4679]  ? up_write+0x19d/0x580
[  284.830515][ T4679]  ? set_blocksize+0x1ec/0x370
[  284.835311][ T4679]  get_tree_bdev+0x3fe/0x620
[  284.839929][ T4679]  ? gfs2_reconfigure+0xcf0/0xcf0
[  284.844990][ T4679]  gfs2_get_tree+0x50/0x210
[  284.849524][ T4679]  ? bpf_lsm_capable+0x5/0x10
[  284.854233][ T4679]  vfs_get_tree+0x88/0x270
[  284.858775][ T4679]  do_new_mount+0x2ba/0xb40
[  284.863310][ T4679]  ? do_move_mount_old+0x160/0x160
[  284.868448][ T4679]  ? user_path_at_empty+0x12b/0x180
[  284.873673][ T4679]  __se_sys_mount+0x2d5/0x3c0
[  284.878384][ T4679]  ? __x64_sys_mount+0xc0/0xc0
[  284.883171][ T4679]  ? syscall_enter_from_user_mode+0x2e/0x240
[  284.889182][ T4679]  ? lockdep_hardirqs_on+0x94/0x130
[  284.894420][ T4679]  ? __x64_sys_mount+0x1c/0xc0
[  284.899217][ T4679]  do_syscall_64+0x3b/0xb0
[  284.903659][ T4679]  ? clear_bhb_loop+0x15/0x70
[  284.908356][ T4679]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  284.914283][ T4679] RIP: 0033:0x7f945e789f5a
[  284.918720][ T4679] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  284.938353][ T4679] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  284.946805][ T4679] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  284.954808][ T4679] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  284.962811][ T4679] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  284.970810][ T4679] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  284.978809][ T4679] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  284.986827][ T4679]  </TASK>
[  284.990129][ T4679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.116524][ T4681] loop2: detected capacity change from 0 to 32768
[  285.124598][ T4682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.132083][ T4682] CPU: 0 PID: 4682 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  285.140838][ T4682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  285.150919][ T4682] Call Trace:
[  285.154226][ T4682]  <TASK>
[  285.157174][ T4682]  dump_stack_lvl+0x1e3/0x2d0
[  285.161886][ T4682]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  285.167569][ T4682]  ? panic+0x860/0x860
[  285.171665][ T4682]  ? sysfs_create_dir_ns+0x282/0x390
[  285.176992][ T4682]  sysfs_create_dir_ns+0x2c6/0x390
[  285.182143][ T4682]  ? sysfs_warn_dup+0xa0/0xa0
[  285.186902][ T4682]  ? do_raw_spin_unlock+0x137/0x8b0
[  285.192146][ T4682]  ? kobject_set_name_vargs+0xca/0x110
[  285.197639][ T4682]  kobject_add_internal+0x6e0/0xe00
[  285.202978][ T4682]  kobject_init_and_add+0x120/0x190
[  285.208215][ T4682]  ? lockdep_softirqs_off+0x420/0x420
[  285.213601][ T4682]  ? widen_string+0x3a/0x310
[  285.218221][ T4682]  ? kobject_add+0x210/0x210
[  285.222844][ T4682]  ? __init_swait_queue_head+0xaa/0x140
[  285.228465][ T4682]  gfs2_sys_fs_add+0x237/0x4a0
[  285.233262][ T4682]  ? gfs2_recover_set+0x240/0x240
[  285.238315][ T4682]  ? snprintf+0xd6/0x120
[  285.242588][ T4682]  ? vscnprintf+0x80/0x80
[  285.246963][ T4682]  ? read_word_at_a_time+0xe/0x20
[  285.252028][ T4682]  ? strscpy+0x89/0x220
[  285.256215][ T4682]  gfs2_fill_super+0x1299/0x2750
[  285.261190][ T4682]  ? gfs2_reconfigure+0xcf0/0xcf0
[  285.266242][ T4682]  ? ptr_to_hashval+0x60/0x60
[  285.270923][ T4682]  ? up_write+0x19d/0x580
[  285.275293][ T4682]  ? set_blocksize+0x1ec/0x370
[  285.280068][ T4682]  get_tree_bdev+0x3fe/0x620
[  285.284660][ T4682]  ? gfs2_reconfigure+0xcf0/0xcf0
[  285.289795][ T4682]  gfs2_get_tree+0x50/0x210
[  285.294295][ T4682]  ? bpf_lsm_capable+0x5/0x10
[  285.298994][ T4682]  vfs_get_tree+0x88/0x270
[  285.303501][ T4682]  do_new_mount+0x2ba/0xb40
[  285.308037][ T4682]  ? do_move_mount_old+0x160/0x160
[  285.313148][ T4682]  ? user_path_at_empty+0x12b/0x180
[  285.318363][ T4682]  __se_sys_mount+0x2d5/0x3c0
[  285.323053][ T4682]  ? __x64_sys_mount+0xc0/0xc0
[  285.327835][ T4682]  ? syscall_enter_from_user_mode+0x2e/0x240
[  285.333813][ T4682]  ? lockdep_hardirqs_on+0x94/0x130
[  285.339013][ T4682]  ? __x64_sys_mount+0x1c/0xc0
[  285.343775][ T4682]  do_syscall_64+0x3b/0xb0
[  285.348194][ T4682]  ? clear_bhb_loop+0x15/0x70
[  285.352961][ T4682]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  285.358854][ T4682] RIP: 0033:0x7f945e789f5a
[  285.363270][ T4682] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  285.382967][ T4682] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  285.391409][ T4682] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  285.399401][ T4682] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  285.407485][ T4682] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  285.415546][ T4682] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  285.423535][ T4682] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  285.431532][ T4682]  </TASK>
[  285.434629][ T4679] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.434826][ T4682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.443435][ T4680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.454596][ T4682] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.468559][ T4680] CPU: 1 PID: 4680 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  285.477176][ T4680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  285.487313][ T4680] Call Trace:
[  285.490599][ T4680]  <TASK>
[  285.493768][ T4680]  dump_stack_lvl+0x1e3/0x2d0
[  285.498460][ T4680]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  285.504102][ T4680]  ? panic+0x860/0x860
[  285.508179][ T4680]  ? sysfs_create_dir_ns+0x282/0x390
[  285.513469][ T4680]  sysfs_create_dir_ns+0x2c6/0x390
[  285.518582][ T4680]  ? sysfs_warn_dup+0xa0/0xa0
[  285.523261][ T4680]  ? do_raw_spin_unlock+0x137/0x8b0
[  285.528483][ T4680]  ? kobject_set_name_vargs+0xca/0x110
[  285.533946][ T4680]  kobject_add_internal+0x6e0/0xe00
[  285.539152][ T4680]  kobject_init_and_add+0x120/0x190
[  285.544350][ T4680]  ? lockdep_softirqs_off+0x420/0x420
[  285.549717][ T4680]  ? widen_string+0x3a/0x310
[  285.554308][ T4680]  ? kobject_add+0x210/0x210
[  285.558903][ T4680]  ? __init_swait_queue_head+0xaa/0x140
[  285.564466][ T4680]  gfs2_sys_fs_add+0x237/0x4a0
[  285.569240][ T4680]  ? gfs2_recover_set+0x240/0x240
[  285.574264][ T4680]  ? snprintf+0xd6/0x120
[  285.578511][ T4680]  ? vscnprintf+0x80/0x80
[  285.582845][ T4680]  ? read_word_at_a_time+0xe/0x20
[  285.587868][ T4680]  ? strscpy+0x89/0x220
[  285.592156][ T4680]  gfs2_fill_super+0x1299/0x2750
[  285.597119][ T4680]  ? gfs2_reconfigure+0xcf0/0xcf0
[  285.602174][ T4680]  ? ptr_to_hashval+0x60/0x60
[  285.606857][ T4680]  ? up_write+0x19d/0x580
[  285.611201][ T4680]  ? set_blocksize+0x1ec/0x370
[  285.615973][ T4680]  get_tree_bdev+0x3fe/0x620
[  285.620561][ T4680]  ? gfs2_reconfigure+0xcf0/0xcf0
[  285.625589][ T4680]  gfs2_get_tree+0x50/0x210
[  285.630095][ T4680]  ? bpf_lsm_capable+0x5/0x10
[  285.634775][ T4680]  vfs_get_tree+0x88/0x270
[  285.639197][ T4680]  do_new_mount+0x2ba/0xb40
[  285.643717][ T4680]  ? do_move_mount_old+0x160/0x160
[  285.648826][ T4680]  ? user_path_at_empty+0x12b/0x180
[  285.654023][ T4680]  __se_sys_mount+0x2d5/0x3c0
[  285.658745][ T4680]  ? __x64_sys_mount+0xc0/0xc0
[  285.663640][ T4680]  ? syscall_enter_from_user_mode+0x2e/0x240
[  285.669646][ T4680]  ? lockdep_hardirqs_on+0x94/0x130
[  285.674885][ T4680]  ? __x64_sys_mount+0x1c/0xc0
[  285.679655][ T4680]  do_syscall_64+0x3b/0xb0
[  285.684089][ T4680]  ? clear_bhb_loop+0x15/0x70
[  285.688766][ T4680]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  285.694654][ T4680] RIP: 0033:0x7f945e789f5a
[  285.699069][ T4680] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  285.718720][ T4680] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  285.727263][ T4680] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  285.735257][ T4680] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  285.743243][ T4680] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  285.751212][ T4680] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  285.759180][ T4680] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  285.767174][ T4680]  </TASK>
[  285.770401][ T4680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.783659][ T4680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.793448][ T4681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.800911][ T4681] CPU: 0 PID: 4681 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  285.809527][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  285.819606][ T4681] Call Trace:
[  285.822908][ T4681]  <TASK>
[  285.825869][ T4681]  dump_stack_lvl+0x1e3/0x2d0
[  285.830583][ T4681]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  285.836249][ T4681]  ? panic+0x860/0x860
[  285.840351][ T4681]  ? sysfs_create_dir_ns+0x282/0x390
[  285.845675][ T4681]  sysfs_create_dir_ns+0x2c6/0x390
[  285.850823][ T4681]  ? sysfs_warn_dup+0xa0/0xa0
[  285.855535][ T4681]  ? do_raw_spin_unlock+0x137/0x8b0
[  285.860766][ T4681]  ? kobject_set_name_vargs+0xca/0x110
[  285.866255][ T4681]  kobject_add_internal+0x6e0/0xe00
[  285.871492][ T4681]  kobject_init_and_add+0x120/0x190
[  285.876722][ T4681]  ? lockdep_softirqs_off+0x420/0x420
[  285.882124][ T4681]  ? widen_string+0x3a/0x310
[  285.886753][ T4681]  ? kobject_add+0x210/0x210
[  285.891380][ T4681]  ? __init_swait_queue_head+0xaa/0x140
[  285.896966][ T4681]  gfs2_sys_fs_add+0x237/0x4a0
[  285.901765][ T4681]  ? gfs2_recover_set+0x240/0x240
[  285.906817][ T4681]  ? snprintf+0xd6/0x120
[  285.911094][ T4681]  ? vscnprintf+0x80/0x80
[  285.915491][ T4681]  ? read_word_at_a_time+0xe/0x20
[  285.920551][ T4681]  ? strscpy+0x89/0x220
[  285.924755][ T4681]  gfs2_fill_super+0x1299/0x2750
[  285.929746][ T4681]  ? gfs2_reconfigure+0xcf0/0xcf0
[  285.934803][ T4681]  ? ptr_to_hashval+0x60/0x60
[  285.939510][ T4681]  ? up_write+0x19d/0x580
[  285.943892][ T4681]  ? set_blocksize+0x1ec/0x370
[  285.948705][ T4681]  get_tree_bdev+0x3fe/0x620
[  285.953328][ T4681]  ? gfs2_reconfigure+0xcf0/0xcf0
[  285.958390][ T4681]  gfs2_get_tree+0x50/0x210
[  285.962932][ T4681]  ? bpf_lsm_capable+0x5/0x10
[  285.967641][ T4681]  vfs_get_tree+0x88/0x270
[  285.972091][ T4681]  do_new_mount+0x2ba/0xb40
[  285.976624][ T4681]  ? do_move_mount_old+0x160/0x160
[  285.981773][ T4681]  ? user_path_at_empty+0x12b/0x180
[  285.987002][ T4681]  __se_sys_mount+0x2d5/0x3c0
[  285.991711][ T4681]  ? __x64_sys_mount+0xc0/0xc0
[  285.996508][ T4681]  ? syscall_enter_from_user_mode+0x2e/0x240
[  286.002514][ T4681]  ? lockdep_hardirqs_on+0x94/0x130
[  286.007748][ T4681]  ? __x64_sys_mount+0x1c/0xc0
[  286.012545][ T4681]  do_syscall_64+0x3b/0xb0
[  286.016991][ T4681]  ? clear_bhb_loop+0x15/0x70
[  286.021712][ T4681]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  286.027637][ T4681] RIP: 0033:0x7f945e789f5a
[  286.032081][ T4681] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  286.051731][ T4681] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  286.060171][ T4681] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  286.068167][ T4681] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  286.076166][ T4681] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  286.084167][ T4681] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  286.092163][ T4681] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  286.100175][ T4681]  </TASK>
[  286.103445][ T4681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.116637][ T4681] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  286.539925][ T4683] loop3: detected capacity change from 0 to 32768
[  286.547765][   T27] INFO: task syz-executor405:4172 blocked for more than 143 seconds.
[  286.559590][   T27]       Not tainted 5.15.179-syzkaller #0
[  286.565422][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.574260][   T27] task:syz-executor405 state:D stack:23232 pid: 4172 ppid:  4169 flags:0x00004006
[  286.583568][   T27] Call Trace:
[  286.586977][   T27]  <TASK>
[  286.589925][   T27]  __schedule+0x12c4/0x45b0
[  286.594513][   T27]  ? __lock_acquire+0x1295/0x1ff0
[  286.599716][   T27]  ? release_firmware_map_entry+0x190/0x190
executing program
[  286.634757][ T4684] loop4: detected capacity change from 0 to 32768
[  286.641735][   T27]  schedule+0x11b/0x1f0
[  286.645937][   T27]  schedule_timeout+0xac/0x300
[  286.650810][   T27]  ? console_conditional_schedule+0x40/0x40
[  286.656763][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  286.662816][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  286.668037][   T27]  ? _raw_spin_unlock_irq+0x1f/0x40
executing program
[  286.689786][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  286.698459][   T27]  do_wait_for_common+0x2d9/0x480
[  286.704167][   T27]  ? console_conditional_schedule+0x40/0x40
[  286.710312][   T27]  ? wait_for_completion_killable_timeout+0x60/0x60
[  286.717251][   T27]  ? _raw_spin_lock_irq+0xdb/0x110
[  286.722746][   T27]  wait_for_completion+0x48/0x60
[  286.727719][   T27]  kthread_stop+0x178/0x580
[  286.732555][   T27]  gfs2_make_fs_ro+0x14d/0x5f0
[  286.737494][   T27]  ? gfs2_dinode_out+0xaf0/0xaf0
[  286.742731][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  286.748113][   T27]  ? gfs2_glock_is_locked_by_me+0x16f/0x190
[  286.754423][   T27]  gfs2_withdraw+0x5fb/0x14e0
[  286.759277][   T27]  ? gfs2_lm+0x206/0x230
executing program
[  286.995505][ T4685] loop1: detected capacity change from 0 to 32768
[  287.002667][   T27]  ? gfs2_lm+0x230/0x230
[  287.006947][   T27]  ? gfs2_meta_ra+0x568/0x5f0
[  287.011737][   T27]  ? gfs2_meta_buffer+0x410/0x410
[  287.016790][   T27]  gfs2_metatype_check_ii+0x75/0x90
[  287.022054][   T27]  gfs2_quota_init+0xe06/0x1110
[  287.026949][   T27]  ? qd_get+0x5c0/0x5c0
[  287.031860][   T27]  ? gfs2_end_log_write+0x800/0x800
[  287.037103][   T27]  ? inode_go_inval+0x25c/0x2c0
[  287.042430][   T27]  gfs2_make_fs_rw+0x436/0x5b0
[  287.047228][   T27]  ? gfs2_jdesc_check+0x290/0x290
[  287.052809][   T27]  ? gfs2_glock_wait+0x137/0x1c0
[  287.056066][ T4686] loop2: detected capacity change from 0 to 32768
[  287.057774][   T27]  gfs2_fill_super+0x23e8/0x2750
[  287.069284][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  287.074427][   T27]  ? ptr_to_hashval+0x60/0x60
[  287.079145][   T27]  ? gfs2_glock_nq_num+0x123/0x270
[  287.084312][   T27]  ? gfs2_freeze_lock+0x52/0xc0
[  287.089178][   T27]  ? set_blocksize+0x1ec/0x370
[  287.094065][   T27]  get_tree_bdev+0x3fe/0x620
[  287.098724][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  287.103798][   T27]  gfs2_get_tree+0x50/0x210
[  287.108317][   T27]  ? bpf_lsm_capable+0x5/0x10
[  287.113096][   T27]  vfs_get_tree+0x88/0x270
[  287.117531][   T27]  do_new_mount+0x2ba/0xb40
[  287.122128][   T27]  ? do_move_mount_old+0x160/0x160
[  287.127255][   T27]  ? user_path_at_empty+0x12b/0x180
[  287.132551][   T27]  __se_sys_mount+0x2d5/0x3c0
[  287.137249][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  287.142145][   T27]  ? syscall_enter_from_user_mode+0x2e/0x240
[  287.148142][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  287.153454][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  287.158240][   T27]  do_syscall_64+0x3b/0xb0
[  287.162701][   T27]  ? clear_bhb_loop+0x15/0x70
[  287.167395][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  287.173423][   T27] RIP: 0033:0x7f945e789f5a
[  287.177853][   T27] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  287.186322][   T27] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  287.194362][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  287.202392][   T27] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  287.210380][   T27] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  287.218603][   T27] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  287.226700][   T27]  </TASK>
[  287.229831][   T27] INFO: task gfs2_quotad:4182 blocked for more than 144 seconds.
[  287.233780][ T4683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.245093][ T4683] CPU: 0 PID: 4683 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  287.253792][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  287.257311][   T27]       Not tainted 5.15.179-syzkaller #0
[  287.263861][ T4683] Call Trace:
[  287.263874][ T4683]  <TASK>
[  287.263883][ T4683]  dump_stack_lvl+0x1e3/0x2d0
[  287.263917][ T4683]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  287.269647][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  287.272935][ T4683]  ? panic+0x860/0x860
[  287.272969][ T4683]  ? sysfs_create_dir_ns+0x282/0x390
[  287.272999][ T4683]  sysfs_create_dir_ns+0x2c6/0x390
[  287.273028][ T4683]  ? sysfs_warn_dup+0xa0/0xa0
[  287.276015][   T27] task:gfs2_quotad     state:D
[  287.280612][ T4683]  ? do_raw_spin_unlock+0x137/0x8b0
[  287.286296][   T27]  stack:25592 pid: 4182 ppid:     2 flags:0x00004000
[  287.294896][ T4683]  ? kobject_set_name_vargs+0xca/0x110
[  287.294931][ T4683]  kobject_add_internal+0x6e0/0xe00
[  287.298984][   T27] Call Trace:
[  287.304264][ T4683]  kobject_init_and_add+0x120/0x190
[  287.304291][ T4683]  ? lockdep_softirqs_off+0x420/0x420
[  287.309383][   T27]  <TASK>
[  287.314042][ T4683]  ? widen_string+0x3a/0x310
[  287.314074][ T4683]  ? kobject_add+0x210/0x210
[  287.318827][   T27]  __schedule+0x12c4/0x45b0
[  287.324034][ T4683]  ? __init_swait_queue_head+0xaa/0x140
[  287.324067][ T4683]  gfs2_sys_fs_add+0x237/0x4a0
[  287.330875][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  287.336252][ T4683]  ? gfs2_recover_set+0x240/0x240
[  287.341489][   T27]  ? release_firmware_map_entry+0x190/0x190
[  287.344726][ T4683]  ? snprintf+0xd6/0x120
[  287.349905][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  287.355269][ T4683]  ? vscnprintf+0x80/0x80
[  287.355306][ T4683]  ? read_word_at_a_time+0xe/0x20
[  287.358227][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  287.362809][ T4683]  ? strscpy+0x89/0x220
[  287.362839][ T4683]  gfs2_fill_super+0x1299/0x2750
[  287.367427][   T27]  ? _raw_spin_unlock_irqrestore+0xd9/0x130
[  287.371936][ T4683]  ? gfs2_reconfigure+0xcf0/0xcf0
[  287.371964][ T4683]  ? ptr_to_hashval+0x60/0x60
[  287.371990][ T4683]  ? up_write+0x19d/0x580
[  287.377575][   T27]  schedule+0x11b/0x1f0
[  287.382280][ T4683]  ? set_blocksize+0x1ec/0x370
[  287.388263][   T27]  bit_wait+0xe/0xc0
[  287.393276][ T4683]  get_tree_bdev+0x3fe/0x620
[  287.393306][ T4683]  ? gfs2_reconfigure+0xcf0/0xcf0
[  287.399211][   T27]  __wait_on_bit+0xb9/0x180
[  287.403451][ T4683]  gfs2_get_tree+0x50/0x210
[  287.403479][ T4683]  ? bpf_lsm_capable+0x5/0x10
[  287.403506][ T4683]  vfs_get_tree+0x88/0x270
[  287.408702][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  287.413017][ T4683]  do_new_mount+0x2ba/0xb40
[  287.413049][ T4683]  ? do_move_mount_old+0x160/0x160
[  287.418083][   T27]  out_of_line_wait_on_bit+0x1d0/0x250
[  287.423431][ T4683]  ? user_path_at_empty+0x12b/0x180
[  287.423468][ T4683]  __se_sys_mount+0x2d5/0x3c0
[  287.423499][ T4683]  ? __x64_sys_mount+0xc0/0xc0
[  287.427651][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  287.432572][ T4683]  ? syscall_enter_from_user_mode+0x2e/0x240
[  287.432602][ T4683]  ? lockdep_hardirqs_on+0x94/0x130
[  287.438495][   T27]  ? __wait_on_bit+0x180/0x180
[  287.443508][ T4683]  ? __x64_sys_mount+0x1c/0xc0
[  287.443537][ T4683]  do_syscall_64+0x3b/0xb0
[  287.448219][   T27]  ? bit_waitqueue+0x30/0x30
[  287.452532][ T4683]  ? clear_bhb_loop+0x15/0x70
[  287.452559][ T4683]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  287.452582][ T4683] RIP: 0033:0x7f945e789f5a
[  287.456739][   T27]  __gfs2_glock_dq+0x699/0x9e0
[  287.462781][ T4683] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  287.462803][ T4683] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  287.466711][   T27]  gfs2_glock_dq_uninit+0x51/0x110
[  287.471273][ T4683] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  287.471294][ T4683] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  287.471312][ T4683] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  287.476323][   T27]  gfs2_statfs_sync+0x7d5/0x860
[  287.480804][ T4683] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  287.480825][ T4683] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  287.480858][ T4683]  </TASK>
[  287.485340][   T27]  ? update_statfs+0x350/0x350
[  287.490233][ T4683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.494508][   T27]  ? gfs2_statfs_sync+0x150/0x860
[  287.500469][ T4683] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  287.504992][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  287.719034][   T27]  gfs2_quotad+0x3a8/0x900
[  287.731061][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  287.736604][   T27]  ? init_wait_entry+0xd0/0xd0
[  287.741918][   T27]  kthread+0x3f6/0x4f0
[  287.746020][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  287.751802][   T27]  ? kthread_blkcg+0xd0/0xd0
[  287.756425][   T27]  ret_from_fork+0x1f/0x30
[  287.761364][   T27]  </TASK>
[  287.764759][   T27] 
[  287.764759][   T27] Showing all locks held in the system:
[  287.779995][ T4686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.787475][ T4686] CPU: 1 PID: 4686 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  287.796080][ T4686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  287.806178][ T4686] Call Trace:
[  287.809468][ T4686]  <TASK>
[  287.812409][ T4686]  dump_stack_lvl+0x1e3/0x2d0
[  287.817108][ T4686]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  287.822759][ T4686]  ? panic+0x860/0x860
[  287.826855][ T4686]  ? sysfs_create_dir_ns+0x282/0x390
[  287.832174][ T4686]  sysfs_create_dir_ns+0x2c6/0x390
[  287.837322][ T4686]  ? sysfs_warn_dup+0xa0/0xa0
[  287.841416][   T27] 1 lock held by khungtaskd/27:
[  287.842025][ T4686]  ? do_raw_spin_unlock+0x137/0x8b0
[  287.846868][   T27]  #0: 
[  287.852227][ T4686]  ? kobject_set_name_vargs+0xca/0x110
[  287.852256][ T4686]  kobject_add_internal+0x6e0/0xe00
[  287.852288][ T4686]  kobject_init_and_add+0x120/0x190
[  287.855035][   T27] ffffffff8cb1f4e0
[  287.860477][ T4686]  ? lockdep_softirqs_off+0x420/0x420
[  287.865685][   T27]  (
[  287.870835][ T4686]  ? widen_string+0x3a/0x310
[  287.870868][ T4686]  ? kobject_add+0x210/0x210
[  287.874596][   T27] rcu_read_lock
[  287.879962][ T4686]  ? __init_swait_queue_head+0xaa/0x140
[  287.882473][   T27] ){....}-{1:2}
[  287.887022][ T4686]  gfs2_sys_fs_add+0x237/0x4a0
[  287.905769][   T27] , at: rcu_lock_acquire+0x0/0x30
[  287.908915][ T4686]  ? gfs2_recover_set+0x240/0x240
[  287.918948][ T4686]  ? snprintf+0xd6/0x120
[  287.923224][ T4686]  ? vscnprintf+0x80/0x80
[  287.926135][   T27] 1 lock held by udevd/3546:
[  287.927583][ T4686]  ? read_word_at_a_time+0xe/0x20
[  287.932204][   T27]  #0: ffff888020af6118
[  287.937169][ T4686]  ? strscpy+0x89/0x220
[  287.937200][ T4686]  gfs2_fill_super+0x1299/0x2750
[  287.941529][   T27]  (
[  287.945487][ T4686]  ? gfs2_reconfigure+0xcf0/0xcf0
[  287.950390][   T27] &disk->open_mutex
[  287.952884][ T4686]  ? ptr_to_hashval+0x60/0x60
[  287.952914][ T4686]  ? up_write+0x19d/0x580
[  287.958098][   T27] ){+.+.}-{3:3}
[  287.961912][ T4686]  ? set_blocksize+0x1ec/0x370
[  287.966585][   T27] , at: blkdev_get_by_dev+0x14d/0xa50
[  287.970935][ T4686]  get_tree_bdev+0x3fe/0x620
[  287.970968][ T4686]  ? gfs2_reconfigure+0xcf0/0xcf0
[  287.974403][   T27] 2 locks held by getty/3924:
[  287.979155][ T4686]  gfs2_get_tree+0x50/0x210
[  287.984541][   T27]  #0: 
[  287.989095][ T4686]  ? bpf_lsm_capable+0x5/0x10
[  287.994187][   T27] ffff88814c927098
[  287.998773][ T4686]  vfs_get_tree+0x88/0x270
[  288.003285][   T27]  (
[  288.006019][ T4686]  do_new_mount+0x2ba/0xb40
[  288.010677][   T27] &tty->ldisc_sem
[  288.014389][ T4686]  ? do_move_mount_old+0x160/0x160
[  288.014420][ T4686]  ? user_path_at_empty+0x12b/0x180
[  288.018812][   T27] ){++++}-{0:0}
[  288.021305][ T4686]  __se_sys_mount+0x2d5/0x3c0
[  288.021338][ T4686]  ? __x64_sys_mount+0xc0/0xc0
[  288.025817][   T27] , at: tty_ldisc_ref_wait+0x21/0x70
[  288.029452][ T4686]  ? syscall_enter_from_user_mode+0x2e/0x240
[  288.034582][   T27]  #1: 
[  288.039734][ T4686]  ? lockdep_hardirqs_on+0x94/0x130
[  288.043354][   T27] ffffc90002cd62e8
[  288.047841][ T4686]  ? __x64_sys_mount+0x1c/0xc0
[  288.052625][   T27]  (
[  288.057868][ T4686]  do_syscall_64+0x3b/0xb0
[  288.063860][   T27] &ldata->atomic_read_lock
[  288.066586][ T4686]  ? clear_bhb_loop+0x15/0x70
[  288.071800][   T27] ){+.+.}-{3:3}
[  288.075480][ T4686]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  288.080227][   T27] , at: n_tty_read+0x6af/0x1db0
[  288.082718][ T4686] RIP: 0033:0x7f945e789f5a
[  288.082742][ T4686] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  288.087225][   T27] 1 lock held by syz-executor405/4172:
[  288.091544][ T4686] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  288.091572][ T4686] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  288.091589][ T4686] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  288.091604][ T4686] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  288.091625][ T4686] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  288.091640][ T4686] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  288.096338][   T27]  #0: 
[  288.099756][ T4686]  </TASK>
[  288.105651][   T27] ffff88802b1da0e0
[  288.110994][ T4686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.115117][ T4684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.134516][ T4686] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.139959][ T4684] CPU: 0 PID: 4684 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  288.160397][ T4687] loop3: detected capacity change from 0 to 32768
[  288.164296][ T4684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  288.164314][ T4684] Call Trace:
[  288.164322][ T4684]  <TASK>
[  288.164332][ T4684]  dump_stack_lvl+0x1e3/0x2d0
[  288.164364][ T4684]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  288.164389][ T4684]  ? panic+0x860/0x860
[  288.164414][ T4684]  ? sysfs_create_dir_ns+0x282/0x390
[  288.268785][   T27]  (
[  288.270582][ T4684]  sysfs_create_dir_ns+0x2c6/0x390
[  288.276979][   T27] &type->s_umount_key
[  288.278367][ T4684]  ? sysfs_warn_dup+0xa0/0xa0
[  288.283937][   T27] #42
[  288.287463][ T4684]  ? do_raw_spin_unlock+0x137/0x8b0
[  288.287495][ T4684]  ? kobject_set_name_vargs+0xca/0x110
[  288.287525][ T4684]  kobject_add_internal+0x6e0/0xe00
[  288.293064][   T27] /1
[  288.294842][ T4684]  kobject_init_and_add+0x120/0x190
[  288.300017][   T27] ){+.+.}-{3:3}
[  288.305475][ T4684]  ? lockdep_softirqs_off+0x420/0x420
[  288.305499][ T4684]  ? widen_string+0x3a/0x310
[  288.305526][ T4684]  ? kobject_add+0x210/0x210
[  288.305554][ T4684]  ? __init_swait_queue_head+0xaa/0x140
[  288.305584][ T4684]  gfs2_sys_fs_add+0x237/0x4a0
[  288.311987][   T27] , at: alloc_super+0x210/0x940
[  288.313286][ T4684]  ? gfs2_recover_set+0x240/0x240
[  288.318469][   T27] 2 locks held by syz-executor405/4684:
[  288.321913][ T4684]  ? snprintf+0xd6/0x120
[  288.321945][ T4684]  ? vscnprintf+0x80/0x80
[  288.321974][ T4684]  ? read_word_at_a_time+0xe/0x20
[  288.321998][ T4684]  ? strscpy+0x89/0x220
[  288.322025][ T4684]  gfs2_fill_super+0x1299/0x2750
[  288.328874][   T27] 1 lock held by syz-executor405/4685:
[  288.331978][ T4684]  ? gfs2_reconfigure+0xcf0/0xcf0
[  288.332009][ T4684]  ? ptr_to_hashval+0x60/0x60
[  288.332035][ T4684]  ? up_write+0x19d/0x580
[  288.336907][   T27]  #0: 
[  288.342199][ T4684]  ? set_blocksize+0x1ec/0x370
[  288.342239][ T4684]  get_tree_bdev+0x3fe/0x620
[  288.342265][ T4684]  ? gfs2_reconfigure+0xcf0/0xcf0
[  288.348346][   T27] ffff88807db240e0
[  288.351868][ T4684]  gfs2_get_tree+0x50/0x210
[  288.351898][ T4684]  ? bpf_lsm_capable+0x5/0x10
[  288.351927][ T4684]  vfs_get_tree+0x88/0x270
[  288.357908][   T27]  (
[  288.362478][ T4684]  do_new_mount+0x2ba/0xb40
[  288.362514][ T4684]  ? do_move_mount_old+0x160/0x160
[  288.362543][ T4684]  ? user_path_at_empty+0x12b/0x180
[  288.367722][   T27] &type->s_umount_key
[  288.371097][ T4684]  __se_sys_mount+0x2d5/0x3c0
[  288.371133][ T4684]  ? __x64_sys_mount+0xc0/0xc0
[  288.371158][ T4684]  ? syscall_enter_from_user_mode+0x2e/0x240
[  288.376435][   T27] #42
[  288.380306][ T4684]  ? lockdep_hardirqs_on+0x94/0x130
[  288.380339][ T4684]  ? __x64_sys_mount+0x1c/0xc0
[  288.380365][ T4684]  do_syscall_64+0x3b/0xb0
[  288.386835][   T27] /1
[  288.390843][ T4684]  ? clear_bhb_loop+0x15/0x70
[  288.390875][ T4684]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  288.390899][ T4684] RIP: 0033:0x7f945e789f5a
[  288.390919][ T4684] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  288.390938][ T4684] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  288.402725][ T4685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.404950][ T4684] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  288.553685][ T4684] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  288.561665][ T4684] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  288.569640][ T4684] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  288.577614][ T4684] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  288.585607][ T4684]  </TASK>
[  288.588651][ T4685] CPU: 1 PID: 4685 Comm: syz-executor405 Not tainted 5.15.179-syzkaller #0
[  288.588951][ T4684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.597253][ T4685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  288.597270][ T4685] Call Trace:
[  288.597279][ T4685]  <TASK>
[  288.597289][ T4685]  dump_stack_lvl+0x1e3/0x2d0
[  288.610395][ T4684] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.620429][ T4685]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  288.620462][ T4685]  ? panic+0x860/0x860
[  288.625885][   T27] ){+.+.}-{3:3}
[  288.626663][ T4685]  ? sysfs_create_dir_ns+0x282/0x390
[  288.645335][   T27] , at: alloc_super+0x210/0x940
[  288.647510][ T4685]  sysfs_create_dir_ns+0x2c6/0x390
[  288.661225][   T27] 2 locks held by syz-executor405/4686:
[  288.661778][ T4685]  ? sysfs_warn_dup+0xa0/0xa0
[  288.677102][ T4685]  ? do_raw_spin_unlock+0x137/0x8b0
[  288.678464][   T27]  #0: 
[  288.682333][ T4685]  ? kobject_set_name_vargs+0xca/0x110
[  288.682367][ T4685]  kobject_add_internal+0x6e0/0xe00
[  288.682399][ T4685]  kobject_init_and_add+0x120/0x190
[  288.682422][ T4685]  ? lockdep_softirqs_off+0x420/0x420
[  288.682443][ T4685]  ? widen_string+0x3a/0x310
[  288.682468][ T4685]  ? kobject_add+0x210/0x210
[  288.682495][ T4685]  ? __init_swait_queue_head+0xaa/0x140
[  288.688780][   T27] ffff888020af7d18
[  288.690716][ T4685]  gfs2_sys_fs_add+0x237/0x4a0
[  288.696288][   T27]  (
[  288.701092][ T4685]  ? gfs2_recover_set+0x240/0x240
[  288.701123][ T4685]  ? snprintf+0xd6/0x120
[  288.701153][ T4685]  ? vscnprintf+0x80/0x80
[  288.701183][ T4685]  ? read_word_at_a_time+0xe/0x20
[  288.707405][   T27] &disk->open_mutex
[  288.711124][ T4685]  ? strscpy+0x89/0x220
[  288.711157][ T4685]  gfs2_fill_super+0x1299/0x2750
[  288.711203][ T4685]  ? gfs2_reconfigure+0xcf0/0xcf0
[  288.716442][   T27] ){+.+.}-{3:3}
[  288.721289][ T4685]  ? ptr_to_hashval+0x60/0x60
[  288.721322][ T4685]  ? up_write+0x19d/0x580
[  288.721383][ T4685]  ? set_blocksize+0x1ec/0x370
[  288.725815][   T27] , at: blkdev_put+0xfb/0x790
[  288.729864][ T4685]  get_tree_bdev+0x3fe/0x620
[  288.732865][   T27]  #1: 
[  288.737367][ T4685]  ? gfs2_reconfigure+0xcf0/0xcf0
[  288.737402][ T4685]  gfs2_get_tree+0x50/0x210
[  288.737426][ T4685]  ? bpf_lsm_capable+0x5/0x10
[  288.742426][   T27] ffff888147570468
[  288.745980][ T4685]  vfs_get_tree+0x88/0x270
[  288.751396][   T27]  (
[  288.754789][ T4685]  do_new_mount+0x2ba/0xb40
[  288.754824][ T4685]  ? do_move_mount_old+0x160/0x160
[  288.754853][ T4685]  ? user_path_at_empty+0x12b/0x180
[  288.759174][   T27] &lo->lo_mutex
[  288.763920][ T4685]  __se_sys_mount+0x2d5/0x3c0
[  288.763951][ T4685]  ? __x64_sys_mount+0xc0/0xc0
[  288.770368][   T27] ){+.+.}-{3:3}
[  288.772434][ T4685]  ? syscall_enter_from_user_mode+0x2e/0x240
[  288.772461][ T4685]  ? lockdep_hardirqs_on+0x94/0x130
[  288.777367][   T27] , at: lo_release+0x4d/0x1f0
[  288.781548][ T4685]  ? __x64_sys_mount+0x1c/0xc0
[  288.781580][ T4685]  do_syscall_64+0x3b/0xb0
[  288.781605][ T4685]  ? clear_bhb_loop+0x15/0x70
[  288.781628][ T4685]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  288.781651][ T4685] RIP: 0033:0x7f945e789f5a
[  288.781672][ T4685] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 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 b8 ff ff ff f7 d8 64 89 01 48
[  288.788188][   T27] 2 locks held by syz-executor405/4687:
[  288.791184][ T4685] RSP: 002b:00007ffc88f5c5c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[  288.791214][ T4685] RAX: ffffffffffffffda RBX: 00007ffc88f5c5e0 RCX: 00007f945e789f5a
[  288.791232][ T4685] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc88f5c5e0
[  288.796079][   T27]  #0: 
[  288.798565][ T4685] RBP: 0000200000012500 R08: 00007ffc88f5c620 R09: 00000000000125b5
[  288.798584][ T4685] R10: 0000000000000000 R11: 0000000000000282 R12: 0000200000000400
[  288.798600][ T4685] R13: 00007ffc88f5c620 R14: 0000000000000003 R15: 0000000000000000
[  288.798633][ T4685]  </TASK>
[  288.805112][   T27] ffff888020b00518
[  288.808296][ T4685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.814499][   T27]  (
[  288.816545][ T4685] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.821373][   T27] &disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  289.008034][   T27]  #1: ffff888147573468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  289.017307][   T27] 
[  289.019784][   T27] =============================================
[  289.019784][   T27] 
[  289.028829][   T27] NMI backtrace for cpu 1
[  289.033177][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  289.041180][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  289.051229][   T27] Call Trace:
[  289.054519][   T27]  <TASK>
[  289.057446][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  289.062139][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  289.067791][   T27]  ? panic+0x860/0x860
[  289.071860][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  289.076979][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  289.081914][   T27]  ? __wake_up_klogd+0xd5/0x100
[  289.086777][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  289.092941][   T27]  ? _printk+0xd1/0x120
[  289.097109][   T27]  ? panic+0x860/0x860
[  289.101174][   T27]  ? __wake_up_klogd+0xcc/0x100
[  289.106040][   T27]  ? panic+0x860/0x860
[  289.110121][   T27]  ? __rcu_read_unlock+0x92/0x100
[  289.115160][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  289.121229][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  289.127211][   T27]  watchdog+0xe72/0xeb0
[  289.131389][   T27]  kthread+0x3f6/0x4f0
[  289.135455][   T27]  ? hungtask_pm_notify+0x50/0x50
[  289.140485][   T27]  ? kthread_blkcg+0xd0/0xd0
[  289.145075][   T27]  ret_from_fork+0x1f/0x30
[  289.149509][   T27]  </TASK>
[  289.152846][   T27] Sending NMI from CPU 1 to CPUs 0:
[  289.158228][    C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[  289.164034][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  289.176367][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  289.184373][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  289.194455][   T27] Call Trace:
[  289.197754][   T27]  <TASK>
[  289.200708][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  289.205424][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  289.211092][   T27]  ? panic+0x860/0x860
[  289.215198][   T27]  panic+0x318/0x860
[  289.219122][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  289.224784][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  289.230970][   T27]  ? fb_is_primary_device+0xd0/0xd0
[  289.236203][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  289.242302][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  289.248487][   T27]  ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[  289.254769][   T27]  ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[  289.260964][   T27]  watchdog+0xeb0/0xeb0
[  289.265181][   T27]  kthread+0x3f6/0x4f0
[  289.269283][   T27]  ? hungtask_pm_notify+0x50/0x50
[  289.274347][   T27]  ? kthread_blkcg+0xd0/0xd0
[  289.278967][   T27]  ret_from_fork+0x1f/0x30
[  289.283452][   T27]  </TASK>
[  289.286724][   T27] Kernel Offset: disabled
[  289.291070][   T27] Rebooting in 86400 seconds..