are name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  236.674193][ T6177] Call Trace:
[  236.677515][ T6177]  <TASK>
[  236.680493][ T6177]  dump_stack_lvl+0x1e3/0x2d0
[  236.685473][ T6177]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  236.691133][ T6177]  ? panic+0x860/0x860
[  236.695537][ T6177]  ? sysfs_create_dir_ns+0x282/0x390
[  236.700866][ T6177]  sysfs_create_dir_ns+0x2c6/0x390
[  236.706048][ T6177]  ? sysfs_warn_dup+0xa0/0xa0
[  236.710805][ T6177]  ? do_raw_spin_unlock+0x137/0x8b0
[  236.716113][ T6177]  ? kobject_set_name_vargs+0xca/0x110
[  236.721681][ T6177]  kobject_add_internal+0x6e0/0xe00
[  236.726905][ T6177]  kobject_init_and_add+0x120/0x190
[  236.732148][ T6177]  ? lockdep_softirqs_off+0x420/0x420
[  236.737553][ T6177]  ? widen_string+0x3a/0x310
[  236.742194][ T6177]  ? kobject_add+0x210/0x210
[  236.747054][ T6177]  ? __init_swait_queue_head+0xaa/0x140
[  236.748692][ T6179] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.752762][ T6177]  gfs2_sys_fs_add+0x237/0x4a0
[  236.765016][ T6177]  ? gfs2_recover_set+0x240/0x240
[  236.770064][ T6177]  ? snprintf+0xd6/0x120
[  236.774321][ T6177]  ? vscnprintf+0x80/0x80
[  236.778695][ T6177]  ? read_word_at_a_time+0xe/0x20
[  236.784178][ T6177]  ? strscpy+0x89/0x220
[  236.788342][ T6177]  gfs2_fill_super+0x1299/0x2750
[  236.793302][ T6177]  ? gfs2_reconfigure+0xcf0/0xcf0
[  236.798424][ T6177]  ? ptr_to_hashval+0x60/0x60
[  236.803113][ T6177]  ? up_write+0x19d/0x580
[  236.807576][ T6177]  ? set_blocksize+0x1ec/0x370
[  236.812396][ T6177]  get_tree_bdev+0x3fe/0x620
[  236.817008][ T6177]  ? gfs2_reconfigure+0xcf0/0xcf0
[  236.822052][ T6177]  gfs2_get_tree+0x50/0x210
[  236.826568][ T6177]  ? bpf_lsm_capable+0x5/0x10
[  236.831258][ T6177]  vfs_get_tree+0x88/0x270
[  236.835677][ T6177]  do_new_mount+0x2ba/0xb40
[  236.840189][ T6177]  ? do_move_mount_old+0x160/0x160
[  236.845389][ T6177]  ? user_path_at_empty+0x12b/0x180
[  236.850698][ T6177]  __se_sys_mount+0x2d5/0x3c0
[  236.855394][ T6177]  ? __x64_sys_mount+0xc0/0xc0
[  236.860171][ T6177]  ? syscall_enter_from_user_mode+0x2e/0x240
[  236.866166][ T6177]  ? lockdep_hardirqs_on+0x94/0x130
[  236.871427][ T6177]  ? __x64_sys_mount+0x1c/0xc0
[  236.876224][ T6177]  do_syscall_64+0x3b/0xb0
[  236.880649][ T6177]  ? clear_bhb_loop+0x15/0x70
[  236.885503][ T6177]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.891488][ T6177] RIP: 0033:0x7f738f0d890a
[  236.895918][ T6177] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.915622][ T6177] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.924302][ T6177] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  236.932279][ T6177] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  236.940258][ T6177] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  236.948341][ T6177] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.956338][ T6177] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  236.964353][ T6177]  </TASK>
[  236.968249][ T6179] CPU: 1 PID: 6179 Comm: syz.5.259 Not tainted 5.15.180-syzkaller #0
[  236.969362][ T6177] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.976472][ T6179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  236.976488][ T6179] Call Trace:
[  236.976497][ T6179]  <TASK>
[  236.976505][ T6179]  dump_stack_lvl+0x1e3/0x2d0
[  236.976537][ T6179]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  236.976562][ T6179]  ? panic+0x860/0x860
[  236.976588][ T6179]  ? sysfs_create_dir_ns+0x282/0x390
[  236.976620][ T6179]  sysfs_create_dir_ns+0x2c6/0x390
[  236.976647][ T6179]  ? sysfs_warn_dup+0xa0/0xa0
[  236.976673][ T6179]  ? do_raw_spin_unlock+0x137/0x8b0
[  236.976699][ T6179]  ? kobject_set_name_vargs+0xca/0x110
[  236.976726][ T6179]  kobject_add_internal+0x6e0/0xe00
[  236.976755][ T6179]  kobject_init_and_add+0x120/0x190
[  236.989871][ T6177] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.999879][ T6179]  ? lockdep_softirqs_off+0x420/0x420
[  236.999905][ T6179]  ? widen_string+0x3a/0x310
[  237.074578][ T6179]  ? kobject_add+0x210/0x210
[  237.079456][ T6179]  ? __init_swait_queue_head+0xaa/0x140
[  237.085040][ T6179]  gfs2_sys_fs_add+0x237/0x4a0
[  237.089869][ T6179]  ? gfs2_recover_set+0x240/0x240
[  237.094928][ T6179]  ? snprintf+0xd6/0x120
[  237.099206][ T6179]  ? vscnprintf+0x80/0x80
[  237.103575][ T6179]  ? read_word_at_a_time+0xe/0x20
[  237.108797][ T6179]  ? strscpy+0x89/0x220
[  237.113011][ T6179]  gfs2_fill_super+0x1299/0x2750
[  237.118000][ T6179]  ? gfs2_reconfigure+0xcf0/0xcf0
[  237.123141][ T6179]  ? ptr_to_hashval+0x60/0x60
[  237.127901][ T6179]  ? up_write+0x19d/0x580
[  237.132284][ T6179]  ? set_blocksize+0x1ec/0x370
[  237.137180][ T6179]  get_tree_bdev+0x3fe/0x620
[  237.141811][ T6179]  ? gfs2_reconfigure+0xcf0/0xcf0
[  237.146911][ T6179]  gfs2_get_tree+0x50/0x210
[  237.151526][ T6179]  ? bpf_lsm_capable+0x5/0x10
[  237.156234][ T6179]  vfs_get_tree+0x88/0x270
[  237.160677][ T6179]  do_new_mount+0x2ba/0xb40
[  237.165210][ T6179]  ? do_move_mount_old+0x160/0x160
[  237.170377][ T6179]  ? user_path_at_empty+0x12b/0x180
[  237.175620][ T6179]  __se_sys_mount+0x2d5/0x3c0
[  237.180340][ T6179]  ? __x64_sys_mount+0xc0/0xc0
[  237.185141][ T6179]  ? syscall_enter_from_user_mode+0x2e/0x240
[  237.191150][ T6179]  ? lockdep_hardirqs_on+0x94/0x130
[  237.196381][ T6179]  ? __x64_sys_mount+0x1c/0xc0
[  237.201179][ T6179]  do_syscall_64+0x3b/0xb0
[  237.205657][ T6179]  ? clear_bhb_loop+0x15/0x70
[  237.210362][ T6179]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.216301][ T6179] RIP: 0033:0x7f6914f0490a
[  237.220865][ T6179] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.240498][ T6179] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.248948][ T6179] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  237.257049][ T6179] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  237.265146][ T6179] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  237.273258][ T6179] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.281291][ T6179] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  237.289342][ T6179]  </TASK>
[  237.294343][ T6179] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.307527][ T6179] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/04/13 18:31:53 executed programs: 257
[  237.540057][ T6184] loop2: detected capacity change from 0 to 32768
[  237.831544][ T6184] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.839229][ T6184] CPU: 0 PID: 6184 Comm: syz.2.262 Not tainted 5.15.180-syzkaller #0
[  237.847892][ T6184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  237.858059][ T6184] Call Trace:
[  237.861231][ T6186] loop1: detected capacity change from 0 to 32768
[  237.861356][ T6184]  <TASK>
[  237.861367][ T6184]  dump_stack_lvl+0x1e3/0x2d0
[  237.875390][ T6184]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  237.881093][ T6184]  ? panic+0x860/0x860
[  237.885195][ T6184]  ? sysfs_create_dir_ns+0x282/0x390
[  237.890517][ T6184]  sysfs_create_dir_ns+0x2c6/0x390
[  237.895923][ T6184]  ? sysfs_warn_dup+0xa0/0xa0
[  237.900711][ T6184]  ? do_raw_spin_unlock+0x137/0x8b0
[  237.906014][ T6184]  ? kobject_set_name_vargs+0xca/0x110
[  237.911505][ T6184]  kobject_add_internal+0x6e0/0xe00
[  237.916733][ T6184]  kobject_init_and_add+0x120/0x190
[  237.922074][ T6184]  ? lockdep_softirqs_off+0x420/0x420
[  237.927461][ T6184]  ? widen_string+0x3a/0x310
[  237.932081][ T6184]  ? kobject_add+0x210/0x210
[  237.936781][ T6184]  ? __init_swait_queue_head+0xaa/0x140
[  237.942357][ T6184]  gfs2_sys_fs_add+0x237/0x4a0
[  237.947180][ T6181] loop3: detected capacity change from 0 to 32768
[  237.947255][ T6184]  ? gfs2_recover_set+0x240/0x240
[  237.958679][ T6184]  ? snprintf+0xd6/0x120
[  237.962960][ T6184]  ? vscnprintf+0x80/0x80
[  237.967327][ T6184]  ? read_word_at_a_time+0xe/0x20
[  237.972383][ T6184]  ? strscpy+0x89/0x220
[  237.977115][ T6184]  gfs2_fill_super+0x1299/0x2750
[  237.982112][ T6184]  ? gfs2_reconfigure+0xcf0/0xcf0
[  237.987277][ T6184]  ? ptr_to_hashval+0x60/0x60
[  237.991999][ T6184]  ? up_write+0x19d/0x580
[  237.996381][ T6184]  ? set_blocksize+0x1ec/0x370
[  238.001186][ T6184]  get_tree_bdev+0x3fe/0x620
[  238.005811][ T6184]  ? gfs2_reconfigure+0xcf0/0xcf0
[  238.010950][ T6184]  gfs2_get_tree+0x50/0x210
[  238.015477][ T6184]  ? bpf_lsm_capable+0x5/0x10
[  238.020280][ T6184]  vfs_get_tree+0x88/0x270
[  238.024765][ T6184]  do_new_mount+0x2ba/0xb40
[  238.029298][ T6184]  ? do_move_mount_old+0x160/0x160
[  238.034445][ T6184]  ? user_path_at_empty+0x12b/0x180
[  238.039672][ T6184]  __se_sys_mount+0x2d5/0x3c0
[  238.044386][ T6184]  ? __x64_sys_mount+0xc0/0xc0
[  238.049181][ T6184]  ? syscall_enter_from_user_mode+0x2e/0x240
[  238.055191][ T6184]  ? lockdep_hardirqs_on+0x94/0x130
[  238.060420][ T6184]  ? __x64_sys_mount+0x1c/0xc0
[  238.065217][ T6184]  do_syscall_64+0x3b/0xb0
[  238.069665][ T6184]  ? clear_bhb_loop+0x15/0x70
[  238.074404][ T6184]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.080334][ T6184] RIP: 0033:0x7f3711f4790a
[  238.084775][ T6184] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.104493][ T6184] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.113043][ T6184] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  238.121029][ T6184] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  238.129016][ T6184] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  238.137010][ T6184] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.145094][ T6184] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  238.153121][ T6184]  </TASK>
[  238.156361][ T6184] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.169725][ T6184] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.306121][ T6190] loop4: detected capacity change from 0 to 32768
[  238.395324][ T6186] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.403354][ T6186] CPU: 1 PID: 6186 Comm: syz.1.263 Not tainted 5.15.180-syzkaller #0
[  238.411541][ T6186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  238.421718][ T6186] Call Trace:
[  238.425022][ T6186]  <TASK>
[  238.428193][ T6186]  dump_stack_lvl+0x1e3/0x2d0
[  238.432927][ T6186]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  238.438602][ T6186]  ? panic+0x860/0x860
[  238.442710][ T6186]  ? sysfs_create_dir_ns+0x282/0x390
[  238.448059][ T6186]  sysfs_create_dir_ns+0x2c6/0x390
[  238.453209][ T6186]  ? sysfs_warn_dup+0xa0/0xa0
[  238.457912][ T6186]  ? do_raw_spin_unlock+0x137/0x8b0
[  238.463152][ T6186]  ? kobject_set_name_vargs+0xca/0x110
[  238.468638][ T6186]  kobject_add_internal+0x6e0/0xe00
[  238.473988][ T6186]  kobject_init_and_add+0x120/0x190
[  238.479232][ T6186]  ? lockdep_softirqs_off+0x420/0x420
[  238.484633][ T6186]  ? widen_string+0x3a/0x310
[  238.489462][ T6186]  ? kobject_add+0x210/0x210
[  238.494091][ T6186]  ? __init_swait_queue_head+0xaa/0x140
[  238.499893][ T6186]  gfs2_sys_fs_add+0x237/0x4a0
[  238.504704][ T6186]  ? gfs2_recover_set+0x240/0x240
[  238.509875][ T6186]  ? snprintf+0xd6/0x120
[  238.512036][ T6189] loop5: detected capacity change from 0 to 32768
[  238.514555][ T6186]  ? vscnprintf+0x80/0x80
[  238.525309][ T6186]  ? read_word_at_a_time+0xe/0x20
[  238.530369][ T6186]  ? strscpy+0x89/0x220
[  238.534593][ T6186]  gfs2_fill_super+0x1299/0x2750
[  238.539595][ T6186]  ? gfs2_reconfigure+0xcf0/0xcf0
[  238.544754][ T6186]  ? ptr_to_hashval+0x60/0x60
[  238.549572][ T6186]  ? up_write+0x19d/0x580
[  238.553988][ T6186]  ? set_blocksize+0x1ec/0x370
[  238.558879][ T6186]  get_tree_bdev+0x3fe/0x620
[  238.563512][ T6186]  ? gfs2_reconfigure+0xcf0/0xcf0
[  238.568682][ T6186]  gfs2_get_tree+0x50/0x210
[  238.573220][ T6186]  ? bpf_lsm_capable+0x5/0x10
[  238.577931][ T6186]  vfs_get_tree+0x88/0x270
[  238.582555][ T6186]  do_new_mount+0x2ba/0xb40
[  238.587091][ T6186]  ? do_move_mount_old+0x160/0x160
[  238.592232][ T6186]  ? user_path_at_empty+0x12b/0x180
[  238.592402][ T6181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.597448][ T6186]  __se_sys_mount+0x2d5/0x3c0
[  238.597481][ T6186]  ? __x64_sys_mount+0xc0/0xc0
[  238.597504][ T6186]  ? syscall_enter_from_user_mode+0x2e/0x240
[  238.597527][ T6186]  ? lockdep_hardirqs_on+0x94/0x130
[  238.597555][ T6186]  ? __x64_sys_mount+0x1c/0xc0
[  238.597579][ T6186]  do_syscall_64+0x3b/0xb0
[  238.597601][ T6186]  ? clear_bhb_loop+0x15/0x70
[  238.597625][ T6186]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.597648][ T6186] RIP: 0033:0x7f4c5def390a
[  238.650372][ T6186] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.670429][ T6186] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.678872][ T6186] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  238.686870][ T6186] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  238.694866][ T6186] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  238.702958][ T6186] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.711156][ T6186] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  238.719163][ T6186]  </TASK>
[  238.722200][ T6181] CPU: 0 PID: 6181 Comm: syz.3.260 Not tainted 5.15.180-syzkaller #0
[  238.723068][ T6186] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.730277][ T6181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  238.730293][ T6181] Call Trace:
[  238.730302][ T6181]  <TASK>
[  238.730310][ T6181]  dump_stack_lvl+0x1e3/0x2d0
[  238.730343][ T6181]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  238.730369][ T6181]  ? panic+0x860/0x860
[  238.730396][ T6181]  ? sysfs_create_dir_ns+0x282/0x390
[  238.730427][ T6181]  sysfs_create_dir_ns+0x2c6/0x390
[  238.730455][ T6181]  ? sysfs_warn_dup+0xa0/0xa0
[  238.743572][ T6186] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.753625][ T6181]  ? do_raw_spin_unlock+0x137/0x8b0
[  238.753659][ T6181]  ? kobject_set_name_vargs+0xca/0x110
[  238.806574][ T6181]  kobject_add_internal+0x6e0/0xe00
[  238.811807][ T6181]  kobject_init_and_add+0x120/0x190
[  238.817022][ T6181]  ? lockdep_softirqs_off+0x420/0x420
[  238.822545][ T6181]  ? widen_string+0x3a/0x310
[  238.827199][ T6181]  ? kobject_add+0x210/0x210
[  238.831812][ T6181]  ? __init_swait_queue_head+0xaa/0x140
[  238.837387][ T6181]  gfs2_sys_fs_add+0x237/0x4a0
[  238.842198][ T6181]  ? gfs2_recover_set+0x240/0x240
[  238.847378][ T6181]  ? snprintf+0xd6/0x120
[  238.851671][ T6181]  ? vscnprintf+0x80/0x80
[  238.856057][ T6181]  ? read_word_at_a_time+0xe/0x20
[  238.861125][ T6181]  ? strscpy+0x89/0x220
[  238.865380][ T6181]  gfs2_fill_super+0x1299/0x2750
[  238.870379][ T6181]  ? gfs2_reconfigure+0xcf0/0xcf0
[  238.875439][ T6181]  ? ptr_to_hashval+0x60/0x60
[  238.880153][ T6181]  ? up_write+0x19d/0x580
[  238.884540][ T6181]  ? set_blocksize+0x1ec/0x370
[  238.889438][ T6181]  get_tree_bdev+0x3fe/0x620
[  238.894059][ T6181]  ? gfs2_reconfigure+0xcf0/0xcf0
[  238.899212][ T6181]  gfs2_get_tree+0x50/0x210
[  238.903742][ T6181]  ? bpf_lsm_capable+0x5/0x10
[  238.908448][ T6181]  vfs_get_tree+0x88/0x270
[  238.912902][ T6181]  do_new_mount+0x2ba/0xb40
[  238.917436][ T6181]  ? do_move_mount_old+0x160/0x160
[  238.922579][ T6181]  ? user_path_at_empty+0x12b/0x180
[  238.927811][ T6181]  __se_sys_mount+0x2d5/0x3c0
[  238.932515][ T6181]  ? __x64_sys_mount+0xc0/0xc0
[  238.937308][ T6181]  ? syscall_enter_from_user_mode+0x2e/0x240
[  238.943833][ T6181]  ? lockdep_hardirqs_on+0x94/0x130
[  238.949064][ T6181]  ? __x64_sys_mount+0x1c/0xc0
[  238.953855][ T6181]  do_syscall_64+0x3b/0xb0
[  238.958396][ T6181]  ? clear_bhb_loop+0x15/0x70
[  238.963093][ T6181]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.969012][ T6181] RIP: 0033:0x7f91e97b190a
[  238.973556][ T6181] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.993274][ T6181] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.001726][ T6181] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  239.009741][ T6181] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  239.017918][ T6181] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  239.026067][ T6181] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.034259][ T6181] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  239.042269][ T6181]  </TASK>
[  239.047174][ T6190] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.054593][ T6190] CPU: 0 PID: 6190 Comm: syz.4.265 Not tainted 5.15.180-syzkaller #0
[  239.062688][ T6190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  239.072878][ T6190] Call Trace:
[  239.076827][ T6190]  <TASK>
[  239.079775][ T6190]  dump_stack_lvl+0x1e3/0x2d0
[  239.084479][ T6190]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  239.090142][ T6190]  ? panic+0x860/0x860
[  239.094242][ T6190]  ? sysfs_create_dir_ns+0x282/0x390
[  239.099558][ T6190]  sysfs_create_dir_ns+0x2c6/0x390
[  239.104699][ T6190]  ? sysfs_warn_dup+0xa0/0xa0
[  239.109414][ T6190]  ? do_raw_spin_unlock+0x137/0x8b0
[  239.114659][ T6190]  ? kobject_set_name_vargs+0xca/0x110
[  239.120585][ T6190]  kobject_add_internal+0x6e0/0xe00
[  239.125821][ T6190]  kobject_init_and_add+0x120/0x190
[  239.131052][ T6190]  ? lockdep_softirqs_off+0x420/0x420
[  239.136584][ T6190]  ? widen_string+0x3a/0x310
[  239.141200][ T6190]  ? kobject_add+0x210/0x210
[  239.145814][ T6190]  ? __init_swait_queue_head+0xaa/0x140
[  239.151393][ T6190]  gfs2_sys_fs_add+0x237/0x4a0
[  239.156184][ T6190]  ? gfs2_recover_set+0x240/0x240
[  239.161225][ T6190]  ? snprintf+0xd6/0x120
[  239.165505][ T6190]  ? vscnprintf+0x80/0x80
[  239.169897][ T6190]  ? read_word_at_a_time+0xe/0x20
[  239.174935][ T6190]  ? strscpy+0x89/0x220
[  239.179752][ T6190]  gfs2_fill_super+0x1299/0x2750
[  239.184740][ T6190]  ? gfs2_reconfigure+0xcf0/0xcf0
[  239.189783][ T6190]  ? ptr_to_hashval+0x60/0x60
[  239.194479][ T6190]  ? up_write+0x19d/0x580
[  239.198839][ T6190]  ? set_blocksize+0x1ec/0x370
[  239.203625][ T6190]  get_tree_bdev+0x3fe/0x620
[  239.208229][ T6190]  ? gfs2_reconfigure+0xcf0/0xcf0
[  239.213276][ T6190]  gfs2_get_tree+0x50/0x210
[  239.217828][ T6190]  ? bpf_lsm_capable+0x5/0x10
[  239.218077][ T6192] loop2: detected capacity change from 0 to 32768
[  239.222521][ T6190]  vfs_get_tree+0x88/0x270
[  239.222551][ T6190]  do_new_mount+0x2ba/0xb40
[  239.222578][ T6190]  ? do_move_mount_old+0x160/0x160
[  239.222605][ T6190]  ? user_path_at_empty+0x12b/0x180
[  239.222629][ T6190]  __se_sys_mount+0x2d5/0x3c0
[  239.222657][ T6190]  ? __x64_sys_mount+0xc0/0xc0
[  239.222681][ T6190]  ? syscall_enter_from_user_mode+0x2e/0x240
[  239.222705][ T6190]  ? lockdep_hardirqs_on+0x94/0x130
[  239.222733][ T6190]  ? __x64_sys_mount+0x1c/0xc0
[  239.222757][ T6190]  do_syscall_64+0x3b/0xb0
[  239.222779][ T6190]  ? clear_bhb_loop+0x15/0x70
[  239.222804][ T6190]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.222828][ T6190] RIP: 0033:0x7f738f0d890a
[  239.222850][ T6190] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.222869][ T6190] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.222895][ T6190] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  239.222913][ T6190] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  239.222929][ T6190] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  239.222943][ T6190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.222958][ T6190] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  239.222989][ T6190]  </TASK>
[  239.224921][ T6190] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.230505][ T6181] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.233890][ T6190] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.239832][ T6181] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.405870][ T6189] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.413433][ T6189] CPU: 1 PID: 6189 Comm: syz.5.264 Not tainted 5.15.180-syzkaller #0
[  239.421586][ T6189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  239.431745][ T6189] Call Trace:
[  239.435048][ T6189]  <TASK>
[  239.438001][ T6189]  dump_stack_lvl+0x1e3/0x2d0
[  239.442708][ T6189]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  239.448359][ T6189]  ? panic+0x860/0x860
[  239.452458][ T6189]  ? sysfs_create_dir_ns+0x282/0x390
[  239.457769][ T6189]  sysfs_create_dir_ns+0x2c6/0x390
[  239.462909][ T6189]  ? sysfs_warn_dup+0xa0/0xa0
[  239.467599][ T6189]  ? do_raw_spin_unlock+0x137/0x8b0
[  239.472821][ T6189]  ? kobject_set_name_vargs+0xca/0x110
[  239.478331][ T6189]  kobject_add_internal+0x6e0/0xe00
[  239.483557][ T6189]  kobject_init_and_add+0x120/0x190
[  239.488758][ T6189]  ? lockdep_softirqs_off+0x420/0x420
[  239.494452][ T6189]  ? widen_string+0x3a/0x310
[  239.499059][ T6189]  ? kobject_add+0x210/0x210
[  239.503670][ T6189]  ? __init_swait_queue_head+0xaa/0x140
[  239.509327][ T6189]  gfs2_sys_fs_add+0x237/0x4a0
[  239.514578][ T6189]  ? gfs2_recover_set+0x240/0x240
[  239.519642][ T6189]  ? snprintf+0xd6/0x120
[  239.523975][ T6189]  ? vscnprintf+0x80/0x80
[  239.528328][ T6189]  ? read_word_at_a_time+0xe/0x20
[  239.533380][ T6189]  ? strscpy+0x89/0x220
[  239.537575][ T6189]  gfs2_fill_super+0x1299/0x2750
[  239.542544][ T6189]  ? gfs2_reconfigure+0xcf0/0xcf0
[  239.547578][ T6189]  ? ptr_to_hashval+0x60/0x60
[  239.552294][ T6189]  ? up_write+0x19d/0x580
[  239.556650][ T6189]  ? set_blocksize+0x1ec/0x370
[  239.561442][ T6189]  get_tree_bdev+0x3fe/0x620
[  239.566071][ T6189]  ? gfs2_reconfigure+0xcf0/0xcf0
[  239.571205][ T6189]  gfs2_get_tree+0x50/0x210
[  239.575720][ T6189]  ? bpf_lsm_capable+0x5/0x10
[  239.580459][ T6189]  vfs_get_tree+0x88/0x270
[  239.584943][ T6189]  do_new_mount+0x2ba/0xb40
[  239.589476][ T6189]  ? do_move_mount_old+0x160/0x160
[  239.594588][ T6189]  ? user_path_at_empty+0x12b/0x180
[  239.599782][ T6189]  __se_sys_mount+0x2d5/0x3c0
[  239.604481][ T6189]  ? __x64_sys_mount+0xc0/0xc0
[  239.609491][ T6189]  ? syscall_enter_from_user_mode+0x2e/0x240
[  239.615477][ T6189]  ? lockdep_hardirqs_on+0x94/0x130
[  239.620695][ T6189]  ? __x64_sys_mount+0x1c/0xc0
[  239.625466][ T6189]  do_syscall_64+0x3b/0xb0
[  239.629899][ T6189]  ? clear_bhb_loop+0x15/0x70
[  239.634604][ T6189]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.640519][ T6189] RIP: 0033:0x7f6914f0490a
[  239.644944][ T6189] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.664575][ T6189] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.673007][ T6189] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  239.681006][ T6189] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  239.689014][ T6189] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  239.697010][ T6189] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.705195][ T6189] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  239.713197][ T6189]  </TASK>
[  239.716324][ T6189] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.729577][ T6189] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.759048][ T6192] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.766777][ T6192] CPU: 1 PID: 6192 Comm: syz.2.266 Not tainted 5.15.180-syzkaller #0
[  239.774905][ T6192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  239.784990][ T6192] Call Trace:
[  239.788296][ T6192]  <TASK>
[  239.791240][ T6192]  dump_stack_lvl+0x1e3/0x2d0
[  239.795947][ T6192]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  239.801615][ T6192]  ? panic+0x860/0x860
[  239.805720][ T6192]  ? sysfs_create_dir_ns+0x282/0x390
[  239.811133][ T6192]  sysfs_create_dir_ns+0x2c6/0x390
[  239.816382][ T6192]  ? sysfs_warn_dup+0xa0/0xa0
[  239.821091][ T6192]  ? do_raw_spin_unlock+0x137/0x8b0
[  239.826332][ T6192]  ? kobject_set_name_vargs+0xca/0x110
[  239.831931][ T6192]  kobject_add_internal+0x6e0/0xe00
[  239.837172][ T6192]  kobject_init_and_add+0x120/0x190
[  239.842526][ T6192]  ? lockdep_softirqs_off+0x420/0x420
[  239.847914][ T6192]  ? widen_string+0x3a/0x310
[  239.852640][ T6192]  ? kobject_add+0x210/0x210
[  239.857300][ T6192]  ? __init_swait_queue_head+0xaa/0x140
[  239.862881][ T6192]  gfs2_sys_fs_add+0x237/0x4a0
[  239.867683][ T6192]  ? gfs2_recover_set+0x240/0x240
[  239.872735][ T6192]  ? snprintf+0xd6/0x120
[  239.877101][ T6192]  ? vscnprintf+0x80/0x80
[  239.881477][ T6192]  ? read_word_at_a_time+0xe/0x20
[  239.886533][ T6192]  ? strscpy+0x89/0x220
[  239.890716][ T6192]  gfs2_fill_super+0x1299/0x2750
[  239.895713][ T6192]  ? gfs2_reconfigure+0xcf0/0xcf0
[  239.900765][ T6192]  ? ptr_to_hashval+0x60/0x60
[  239.905478][ T6192]  ? up_write+0x19d/0x580
[  239.909857][ T6192]  ? set_blocksize+0x1ec/0x370
[  239.914662][ T6192]  get_tree_bdev+0x3fe/0x620
[  239.919282][ T6192]  ? gfs2_reconfigure+0xcf0/0xcf0
[  239.924338][ T6192]  gfs2_get_tree+0x50/0x210
[  239.928866][ T6192]  ? bpf_lsm_capable+0x5/0x10
[  239.933584][ T6192]  vfs_get_tree+0x88/0x270
[  239.938041][ T6192]  do_new_mount+0x2ba/0xb40
[  239.942578][ T6192]  ? do_move_mount_old+0x160/0x160
[  239.947717][ T6192]  ? user_path_at_empty+0x12b/0x180
[  239.952948][ T6192]  __se_sys_mount+0x2d5/0x3c0
[  239.957753][ T6192]  ? __x64_sys_mount+0xc0/0xc0
[  239.962637][ T6192]  ? syscall_enter_from_user_mode+0x2e/0x240
[  239.968655][ T6192]  ? lockdep_hardirqs_on+0x94/0x130
[  239.973888][ T6192]  ? __x64_sys_mount+0x1c/0xc0
[  239.978681][ T6192]  do_syscall_64+0x3b/0xb0
[  239.983138][ T6192]  ? clear_bhb_loop+0x15/0x70
[  239.987841][ T6192]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.993759][ T6192] RIP: 0033:0x7f3711f4790a
[  239.998194][ T6192] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.017821][ T6192] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.026354][ T6192] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  240.034481][ T6192] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  240.042514][ T6192] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  240.050644][ T6192] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.058656][ T6192] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  240.066675][ T6192]  </TASK>
[  240.070578][ T6192] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.083893][ T6192] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.396731][ T6196] loop3: detected capacity change from 0 to 32768
[  240.423948][ T6194] loop4: detected capacity change from 0 to 32768
[  240.542918][ T6196] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.550480][ T6196] CPU: 1 PID: 6196 Comm: syz.3.268 Not tainted 5.15.180-syzkaller #0
[  240.558578][ T6196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  240.568667][ T6196] Call Trace:
[  240.571970][ T6196]  <TASK>
[  240.574937][ T6196]  dump_stack_lvl+0x1e3/0x2d0
[  240.579642][ T6196]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  240.585298][ T6196]  ? panic+0x860/0x860
[  240.589395][ T6196]  ? sysfs_create_dir_ns+0x282/0x390
[  240.594713][ T6196]  sysfs_create_dir_ns+0x2c6/0x390
[  240.599854][ T6196]  ? sysfs_warn_dup+0xa0/0xa0
[  240.604655][ T6196]  ? do_raw_spin_unlock+0x137/0x8b0
[  240.610018][ T6196]  ? kobject_set_name_vargs+0xca/0x110
[  240.615529][ T6196]  kobject_add_internal+0x6e0/0xe00
[  240.620956][ T6196]  kobject_init_and_add+0x120/0x190
[  240.626198][ T6196]  ? lockdep_softirqs_off+0x420/0x420
[  240.631694][ T6196]  ? widen_string+0x3a/0x310
[  240.636320][ T6196]  ? kobject_add+0x210/0x210
[  240.640942][ T6196]  ? __init_swait_queue_head+0xaa/0x140
[  240.646533][ T6196]  gfs2_sys_fs_add+0x237/0x4a0
[  240.651315][ T6196]  ? gfs2_recover_set+0x240/0x240
[  240.656357][ T6196]  ? snprintf+0xd6/0x120
[  240.660747][ T6196]  ? vscnprintf+0x80/0x80
[  240.665104][ T6196]  ? read_word_at_a_time+0xe/0x20
[  240.670160][ T6196]  ? strscpy+0x89/0x220
[  240.674339][ T6196]  gfs2_fill_super+0x1299/0x2750
[  240.679499][ T6196]  ? gfs2_reconfigure+0xcf0/0xcf0
[  240.684651][ T6196]  ? ptr_to_hashval+0x60/0x60
[  240.689358][ T6196]  ? up_write+0x19d/0x580
[  240.693737][ T6196]  ? set_blocksize+0x1ec/0x370
[  240.698538][ T6196]  get_tree_bdev+0x3fe/0x620
[  240.703152][ T6196]  ? gfs2_reconfigure+0xcf0/0xcf0
[  240.708215][ T6196]  gfs2_get_tree+0x50/0x210
[  240.712864][ T6196]  ? bpf_lsm_capable+0x5/0x10
[  240.717569][ T6196]  vfs_get_tree+0x88/0x270
[  240.722043][ T6196]  do_new_mount+0x2ba/0xb40
[  240.726617][ T6196]  ? do_move_mount_old+0x160/0x160
[  240.731764][ T6196]  ? user_path_at_empty+0x12b/0x180
[  240.736992][ T6196]  __se_sys_mount+0x2d5/0x3c0
[  240.741700][ T6196]  ? __x64_sys_mount+0xc0/0xc0
[  240.746492][ T6196]  ? syscall_enter_from_user_mode+0x2e/0x240
[  240.752499][ T6196]  ? lockdep_hardirqs_on+0x94/0x130
[  240.757915][ T6196]  ? __x64_sys_mount+0x1c/0xc0
[  240.762722][ T6196]  do_syscall_64+0x3b/0xb0
[  240.767167][ T6196]  ? clear_bhb_loop+0x15/0x70
[  240.771871][ T6196]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.777864][ T6196] RIP: 0033:0x7f91e97b190a
[  240.782292][ T6196] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.802122][ T6196] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.810667][ T6196] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  240.818655][ T6196] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  240.826647][ T6196] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  240.835005][ T6196] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.842993][ T6196] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  240.850996][ T6196]  </TASK>
[  240.855037][ T6196] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.859839][ T6198] loop1: detected capacity change from 0 to 32768
[  240.868910][ T6196] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.881390][ T6194] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.890225][ T6194] CPU: 0 PID: 6194 Comm: syz.4.267 Not tainted 5.15.180-syzkaller #0
[  240.898493][ T6194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  240.908567][ T6194] Call Trace:
[  240.911870][ T6194]  <TASK>
[  240.914812][ T6194]  dump_stack_lvl+0x1e3/0x2d0
[  240.919522][ T6194]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  240.925258][ T6194]  ? panic+0x860/0x860
[  240.929347][ T6194]  ? sysfs_create_dir_ns+0x282/0x390
[  240.934681][ T6194]  sysfs_create_dir_ns+0x2c6/0x390
[  240.939813][ T6194]  ? sysfs_warn_dup+0xa0/0xa0
[  240.944511][ T6194]  ? do_raw_spin_unlock+0x137/0x8b0
[  240.949731][ T6194]  ? kobject_set_name_vargs+0xca/0x110
[  240.955213][ T6194]  kobject_add_internal+0x6e0/0xe00
[  240.960433][ T6194]  kobject_init_and_add+0x120/0x190
[  240.965677][ T6194]  ? lockdep_softirqs_off+0x420/0x420
[  240.971072][ T6194]  ? widen_string+0x3a/0x310
[  240.976254][ T6194]  ? kobject_add+0x210/0x210
[  240.980872][ T6194]  ? __init_swait_queue_head+0xaa/0x140
[  240.986546][ T6194]  gfs2_sys_fs_add+0x237/0x4a0
[  240.991348][ T6194]  ? gfs2_recover_set+0x240/0x240
[  240.996409][ T6194]  ? snprintf+0xd6/0x120
[  241.000683][ T6194]  ? vscnprintf+0x80/0x80
[  241.005040][ T6194]  ? read_word_at_a_time+0xe/0x20
[  241.010088][ T6194]  ? strscpy+0x89/0x220
[  241.014278][ T6194]  gfs2_fill_super+0x1299/0x2750
[  241.019658][ T6194]  ? gfs2_reconfigure+0xcf0/0xcf0
[  241.024719][ T6194]  ? ptr_to_hashval+0x60/0x60
[  241.029435][ T6194]  ? up_write+0x19d/0x580
[  241.033825][ T6194]  ? set_blocksize+0x1ec/0x370
[  241.038623][ T6194]  get_tree_bdev+0x3fe/0x620
[  241.043253][ T6194]  ? gfs2_reconfigure+0xcf0/0xcf0
[  241.048310][ T6194]  gfs2_get_tree+0x50/0x210
[  241.052850][ T6194]  ? bpf_lsm_capable+0x5/0x10
[  241.057562][ T6194]  vfs_get_tree+0x88/0x270
[  241.062003][ T6194]  do_new_mount+0x2ba/0xb40
[  241.066558][ T6194]  ? do_move_mount_old+0x160/0x160
[  241.071711][ T6194]  ? user_path_at_empty+0x12b/0x180
[  241.076944][ T6194]  __se_sys_mount+0x2d5/0x3c0
[  241.081772][ T6194]  ? __x64_sys_mount+0xc0/0xc0
[  241.086598][ T6194]  ? syscall_enter_from_user_mode+0x2e/0x240
[  241.092615][ T6194]  ? lockdep_hardirqs_on+0x94/0x130
[  241.097841][ T6194]  ? __x64_sys_mount+0x1c/0xc0
[  241.102631][ T6194]  do_syscall_64+0x3b/0xb0
[  241.107075][ T6194]  ? clear_bhb_loop+0x15/0x70
[  241.111774][ T6194]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.117694][ T6194] RIP: 0033:0x7f738f0d890a
[  241.122130][ T6194] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.141758][ T6194] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.150202][ T6194] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  241.158197][ T6194] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  241.166183][ T6194] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  241.174172][ T6194] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.182157][ T6194] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  241.190159][ T6194]  </TASK>
[  241.193317][ T6194] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.206562][ T6194] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.360066][ T6200] loop5: detected capacity change from 0 to 32768
[  241.381569][ T6198] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.389179][ T6198] CPU: 1 PID: 6198 Comm: syz.1.269 Not tainted 5.15.180-syzkaller #0
[  241.397274][ T6198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  241.407526][ T6198] Call Trace:
[  241.410829][ T6198]  <TASK>
[  241.413785][ T6198]  dump_stack_lvl+0x1e3/0x2d0
[  241.418491][ T6198]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  241.424155][ T6198]  ? panic+0x860/0x860
[  241.428255][ T6198]  ? sysfs_create_dir_ns+0x282/0x390
[  241.433573][ T6198]  sysfs_create_dir_ns+0x2c6/0x390
[  241.438726][ T6198]  ? sysfs_warn_dup+0xa0/0xa0
[  241.443437][ T6198]  ? do_raw_spin_unlock+0x137/0x8b0
[  241.448777][ T6198]  ? kobject_set_name_vargs+0xca/0x110
[  241.454278][ T6198]  kobject_add_internal+0x6e0/0xe00
[  241.459509][ T6198]  kobject_init_and_add+0x120/0x190
[  241.464730][ T6198]  ? lockdep_softirqs_off+0x420/0x420
[  241.470121][ T6198]  ? widen_string+0x3a/0x310
[  241.474741][ T6198]  ? kobject_add+0x210/0x210
[  241.479369][ T6198]  ? __init_swait_queue_head+0xaa/0x140
[  241.484945][ T6198]  gfs2_sys_fs_add+0x237/0x4a0
[  241.489737][ T6198]  ? gfs2_recover_set+0x240/0x240
[  241.494942][ T6198]  ? snprintf+0xd6/0x120
[  241.499245][ T6198]  ? vscnprintf+0x80/0x80
[  241.503623][ T6198]  ? read_word_at_a_time+0xe/0x20
[  241.508683][ T6198]  ? strscpy+0x89/0x220
[  241.512884][ T6198]  gfs2_fill_super+0x1299/0x2750
[  241.517896][ T6198]  ? gfs2_reconfigure+0xcf0/0xcf0
[  241.523146][ T6198]  ? ptr_to_hashval+0x60/0x60
[  241.527854][ T6198]  ? up_write+0x19d/0x580
[  241.532232][ T6198]  ? set_blocksize+0x1ec/0x370
[  241.537037][ T6198]  get_tree_bdev+0x3fe/0x620
[  241.541660][ T6198]  ? gfs2_reconfigure+0xcf0/0xcf0
[  241.546713][ T6198]  gfs2_get_tree+0x50/0x210
[  241.551319][ T6198]  ? bpf_lsm_capable+0x5/0x10
[  241.556015][ T6198]  vfs_get_tree+0x88/0x270
[  241.560539][ T6198]  do_new_mount+0x2ba/0xb40
[  241.565064][ T6198]  ? do_move_mount_old+0x160/0x160
[  241.568988][ T6202] loop2: detected capacity change from 0 to 32768
[  241.570202][ T6198]  ? user_path_at_empty+0x12b/0x180
[  241.582025][ T6198]  __se_sys_mount+0x2d5/0x3c0
[  241.586914][ T6198]  ? __x64_sys_mount+0xc0/0xc0
[  241.591704][ T6198]  ? syscall_enter_from_user_mode+0x2e/0x240
[  241.597703][ T6198]  ? lockdep_hardirqs_on+0x94/0x130
[  241.602974][ T6198]  ? __x64_sys_mount+0x1c/0xc0
[  241.607767][ T6198]  do_syscall_64+0x3b/0xb0
[  241.612222][ T6198]  ? clear_bhb_loop+0x15/0x70
[  241.617107][ T6198]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.623046][ T6198] RIP: 0033:0x7f4c5def390a
[  241.627486][ T6198] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.647456][ T6198] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.655998][ T6198] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  241.664080][ T6198] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  241.672079][ T6198] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  241.680078][ T6198] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.688122][ T6198] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  241.696171][ T6198]  </TASK>
[  241.772966][ T6202] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.781340][ T6202] CPU: 0 PID: 6202 Comm: syz.2.271 Not tainted 5.15.180-syzkaller #0
[  241.789444][ T6202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  241.799518][ T6202] Call Trace:
[  241.802794][ T6202]  <TASK>
[  241.805723][ T6202]  dump_stack_lvl+0x1e3/0x2d0
[  241.810406][ T6202]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  241.816051][ T6202]  ? panic+0x860/0x860
[  241.820147][ T6202]  ? sysfs_create_dir_ns+0x282/0x390
[  241.825528][ T6202]  sysfs_create_dir_ns+0x2c6/0x390
[  241.830645][ T6202]  ? sysfs_warn_dup+0xa0/0xa0
[  241.835333][ T6202]  ? do_raw_spin_unlock+0x137/0x8b0
[  241.840556][ T6202]  ? kobject_set_name_vargs+0xca/0x110
[  241.846246][ T6202]  kobject_add_internal+0x6e0/0xe00
[  241.851466][ T6202]  kobject_init_and_add+0x120/0x190
[  241.856767][ T6202]  ? lockdep_softirqs_off+0x420/0x420
[  241.862171][ T6202]  ? widen_string+0x3a/0x310
[  241.866766][ T6202]  ? kobject_add+0x210/0x210
[  241.871365][ T6202]  ? __init_swait_queue_head+0xaa/0x140
[  241.876915][ T6202]  gfs2_sys_fs_add+0x237/0x4a0
[  241.881689][ T6202]  ? gfs2_recover_set+0x240/0x240
[  241.886728][ T6202]  ? snprintf+0xd6/0x120
[  241.891004][ T6202]  ? vscnprintf+0x80/0x80
[  241.895355][ T6202]  ? read_word_at_a_time+0xe/0x20
[  241.900399][ T6202]  ? strscpy+0x89/0x220
[  241.904566][ T6202]  gfs2_fill_super+0x1299/0x2750
[  241.909517][ T6202]  ? gfs2_reconfigure+0xcf0/0xcf0
[  241.914542][ T6202]  ? ptr_to_hashval+0x60/0x60
[  241.919222][ T6202]  ? up_write+0x19d/0x580
[  241.923602][ T6202]  ? set_blocksize+0x1ec/0x370
[  241.928373][ T6202]  get_tree_bdev+0x3fe/0x620
[  241.933056][ T6202]  ? gfs2_reconfigure+0xcf0/0xcf0
[  241.938185][ T6202]  gfs2_get_tree+0x50/0x210
[  241.942800][ T6202]  ? bpf_lsm_capable+0x5/0x10
[  241.947483][ T6202]  vfs_get_tree+0x88/0x270
[  241.951901][ T6202]  do_new_mount+0x2ba/0xb40
[  241.956584][ T6202]  ? do_move_mount_old+0x160/0x160
[  241.961700][ T6202]  ? user_path_at_empty+0x12b/0x180
[  241.966923][ T6202]  __se_sys_mount+0x2d5/0x3c0
[  241.971720][ T6202]  ? __x64_sys_mount+0xc0/0xc0
[  241.976588][ T6202]  ? syscall_enter_from_user_mode+0x2e/0x240
[  241.982658][ T6202]  ? lockdep_hardirqs_on+0x94/0x130
[  241.987898][ T6202]  ? __x64_sys_mount+0x1c/0xc0
[  241.992695][ T6202]  do_syscall_64+0x3b/0xb0
[  241.997149][ T6202]  ? clear_bhb_loop+0x15/0x70
[  242.001873][ T6202]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.007870][ T6202] RIP: 0033:0x7f3711f4790a
[  242.012395][ T6202] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.032017][ T6202] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.040442][ T6202] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  242.048549][ T6202] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  242.056614][ T6202] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  242.064586][ T6202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.072641][ T6202] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  242.080712][ T6202]  </TASK>
[  242.083829][ T6198] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.085296][ T6202] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.097877][ T6198] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.110243][ T6202] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.152664][ T6200] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.160878][ T6200] CPU: 0 PID: 6200 Comm: syz.5.270 Not tainted 5.15.180-syzkaller #0
[  242.168982][ T6200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  242.179162][ T6200] Call Trace:
[  242.182463][ T6200]  <TASK>
[  242.185408][ T6200]  dump_stack_lvl+0x1e3/0x2d0
[  242.190110][ T6200]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  242.195883][ T6200]  ? panic+0x860/0x860
[  242.199984][ T6200]  ? sysfs_create_dir_ns+0x282/0x390
[  242.205314][ T6200]  sysfs_create_dir_ns+0x2c6/0x390
[  242.210468][ T6200]  ? sysfs_warn_dup+0xa0/0xa0
[  242.215176][ T6200]  ? do_raw_spin_unlock+0x137/0x8b0
[  242.220407][ T6200]  ? kobject_set_name_vargs+0xca/0x110
[  242.225933][ T6200]  kobject_add_internal+0x6e0/0xe00
[  242.231171][ T6200]  kobject_init_and_add+0x120/0x190
[  242.236394][ T6200]  ? lockdep_softirqs_off+0x420/0x420
[  242.241821][ T6200]  ? widen_string+0x3a/0x310
[  242.246454][ T6200]  ? kobject_add+0x210/0x210
[  242.251068][ T6200]  ? __init_swait_queue_head+0xaa/0x140
[  242.256633][ T6200]  gfs2_sys_fs_add+0x237/0x4a0
[  242.261420][ T6200]  ? gfs2_recover_set+0x240/0x240
[  242.266477][ T6200]  ? snprintf+0xd6/0x120
[  242.270758][ T6200]  ? vscnprintf+0x80/0x80
[  242.275117][ T6200]  ? read_word_at_a_time+0xe/0x20
[  242.280166][ T6200]  ? strscpy+0x89/0x220
[  242.284347][ T6200]  gfs2_fill_super+0x1299/0x2750
[  242.289331][ T6200]  ? gfs2_reconfigure+0xcf0/0xcf0
[  242.294471][ T6200]  ? ptr_to_hashval+0x60/0x60
[  242.299184][ T6200]  ? up_write+0x19d/0x580
[  242.303564][ T6200]  ? set_blocksize+0x1ec/0x370
[  242.308370][ T6200]  get_tree_bdev+0x3fe/0x620
[  242.313168][ T6200]  ? gfs2_reconfigure+0xcf0/0xcf0
[  242.318232][ T6200]  gfs2_get_tree+0x50/0x210
[  242.322774][ T6200]  ? bpf_lsm_capable+0x5/0x10
[  242.327486][ T6200]  vfs_get_tree+0x88/0x270
[  242.331956][ T6200]  do_new_mount+0x2ba/0xb40
[  242.336505][ T6200]  ? do_move_mount_old+0x160/0x160
[  242.341660][ T6200]  ? user_path_at_empty+0x12b/0x180
[  242.346887][ T6200]  __se_sys_mount+0x2d5/0x3c0
[  242.351596][ T6200]  ? __x64_sys_mount+0xc0/0xc0
[  242.356383][ T6200]  ? syscall_enter_from_user_mode+0x2e/0x240
[  242.362386][ T6200]  ? lockdep_hardirqs_on+0x94/0x130
[  242.367610][ T6200]  ? __x64_sys_mount+0x1c/0xc0
[  242.372399][ T6200]  do_syscall_64+0x3b/0xb0
[  242.376830][ T6200]  ? clear_bhb_loop+0x15/0x70
[  242.381529][ T6200]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.387438][ T6200] RIP: 0033:0x7f6914f0490a
[  242.391869][ T6200] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.411802][ T6200] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.420333][ T6200] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  242.428329][ T6200] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  242.436407][ T6200] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  242.443652][ T6204] loop3: detected capacity change from 0 to 32768
[  242.444392][ T6200] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.458823][ T6200] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  242.466849][ T6200]  </TASK>
[  242.471597][ T6200] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.484840][ T6200] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.733349][ T6206] loop4: detected capacity change from 0 to 32768
[  242.744700][ T6204] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.752207][ T6204] CPU: 1 PID: 6204 Comm: syz.3.272 Not tainted 5.15.180-syzkaller #0
[  242.760302][ T6204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  242.770376][ T6204] Call Trace:
[  242.773670][ T6204]  <TASK>
[  242.776631][ T6204]  dump_stack_lvl+0x1e3/0x2d0
[  242.781421][ T6204]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  242.787085][ T6204]  ? panic+0x860/0x860
[  242.791350][ T6204]  ? sysfs_create_dir_ns+0x282/0x390
[  242.796667][ T6204]  sysfs_create_dir_ns+0x2c6/0x390
[  242.801811][ T6204]  ? sysfs_warn_dup+0xa0/0xa0
[  242.806513][ T6204]  ? do_raw_spin_unlock+0x137/0x8b0
[  242.811738][ T6204]  ? kobject_set_name_vargs+0xca/0x110
[  242.817217][ T6204]  kobject_add_internal+0x6e0/0xe00
[  242.822440][ T6204]  kobject_init_and_add+0x120/0x190
[  242.827749][ T6204]  ? lockdep_softirqs_off+0x420/0x420
[  242.833146][ T6204]  ? widen_string+0x3a/0x310
[  242.837780][ T6204]  ? kobject_add+0x210/0x210
[  242.842403][ T6204]  ? __init_swait_queue_head+0xaa/0x140
[  242.848010][ T6204]  gfs2_sys_fs_add+0x237/0x4a0
[  242.852808][ T6204]  ? gfs2_recover_set+0x240/0x240
[  242.858032][ T6204]  ? snprintf+0xd6/0x120
[  242.862301][ T6204]  ? vscnprintf+0x80/0x80
[  242.866650][ T6204]  ? read_word_at_a_time+0xe/0x20
[  242.871718][ T6204]  ? strscpy+0x89/0x220
[  242.875899][ T6204]  gfs2_fill_super+0x1299/0x2750
[  242.880880][ T6204]  ? gfs2_reconfigure+0xcf0/0xcf0
[  242.885992][ T6204]  ? ptr_to_hashval+0x60/0x60
[  242.890718][ T6204]  ? up_write+0x19d/0x580
[  242.895104][ T6204]  ? set_blocksize+0x1ec/0x370
[  242.899901][ T6204]  get_tree_bdev+0x3fe/0x620
[  242.904518][ T6204]  ? gfs2_reconfigure+0xcf0/0xcf0
[  242.909573][ T6204]  gfs2_get_tree+0x50/0x210
[  242.914102][ T6204]  ? bpf_lsm_capable+0x5/0x10
[  242.918819][ T6204]  vfs_get_tree+0x88/0x270
[  242.923380][ T6204]  do_new_mount+0x2ba/0xb40
[  242.927905][ T6204]  ? do_move_mount_old+0x160/0x160
[  242.933035][ T6204]  ? user_path_at_empty+0x12b/0x180
[  242.938246][ T6204]  __se_sys_mount+0x2d5/0x3c0
[  242.943029][ T6204]  ? __x64_sys_mount+0xc0/0xc0
[  242.947895][ T6204]  ? syscall_enter_from_user_mode+0x2e/0x240
[  242.953965][ T6204]  ? lockdep_hardirqs_on+0x94/0x130
[  242.959183][ T6204]  ? __x64_sys_mount+0x1c/0xc0
[  242.963976][ T6204]  do_syscall_64+0x3b/0xb0
[  242.968424][ T6204]  ? clear_bhb_loop+0x15/0x70
[  242.973138][ T6204]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.979409][ T6204] RIP: 0033:0x7f91e97b190a
2025/04/13 18:31:58 executed programs: 267
[  242.983855][ T6204] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.003495][ T6204] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.011935][ T6204] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  243.019933][ T6204] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  243.028017][ T6204] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  243.036104][ T6204] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.044189][ T6204] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  243.052324][ T6204]  </TASK>
[  243.055633][ T6204] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.068809][ T6204] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.106541][ T6206] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.114450][ T6206] CPU: 1 PID: 6206 Comm: syz.4.273 Not tainted 5.15.180-syzkaller #0
[  243.122557][ T6206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  243.132873][ T6206] Call Trace:
[  243.136175][ T6206]  <TASK>
[  243.139132][ T6206]  dump_stack_lvl+0x1e3/0x2d0
[  243.143996][ T6206]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  243.149674][ T6206]  ? panic+0x860/0x860
[  243.153771][ T6206]  ? sysfs_create_dir_ns+0x282/0x390
[  243.159119][ T6206]  sysfs_create_dir_ns+0x2c6/0x390
[  243.164609][ T6206]  ? sysfs_warn_dup+0xa0/0xa0
[  243.169430][ T6206]  ? do_raw_spin_unlock+0x137/0x8b0
[  243.174674][ T6206]  ? kobject_set_name_vargs+0xca/0x110
[  243.180450][ T6206]  kobject_add_internal+0x6e0/0xe00
[  243.185684][ T6206]  kobject_init_and_add+0x120/0x190
[  243.190907][ T6206]  ? lockdep_softirqs_off+0x420/0x420
[  243.196388][ T6206]  ? widen_string+0x3a/0x310
[  243.201091][ T6206]  ? kobject_add+0x210/0x210
[  243.205701][ T6206]  ? __init_swait_queue_head+0xaa/0x140
[  243.211356][ T6206]  gfs2_sys_fs_add+0x237/0x4a0
[  243.216132][ T6206]  ? gfs2_recover_set+0x240/0x240
[  243.221179][ T6206]  ? snprintf+0xd6/0x120
[  243.225454][ T6206]  ? vscnprintf+0x80/0x80
[  243.229811][ T6206]  ? read_word_at_a_time+0xe/0x20
[  243.234850][ T6206]  ? strscpy+0x89/0x220
[  243.239119][ T6206]  gfs2_fill_super+0x1299/0x2750
[  243.244099][ T6206]  ? gfs2_reconfigure+0xcf0/0xcf0
[  243.249150][ T6206]  ? ptr_to_hashval+0x60/0x60
[  243.253863][ T6206]  ? up_write+0x19d/0x580
[  243.258234][ T6206]  ? set_blocksize+0x1ec/0x370
[  243.263040][ T6206]  get_tree_bdev+0x3fe/0x620
[  243.267664][ T6206]  ? gfs2_reconfigure+0xcf0/0xcf0
[  243.272739][ T6206]  gfs2_get_tree+0x50/0x210
[  243.277277][ T6206]  ? bpf_lsm_capable+0x5/0x10
[  243.281990][ T6206]  vfs_get_tree+0x88/0x270
[  243.286430][ T6206]  do_new_mount+0x2ba/0xb40
[  243.290968][ T6206]  ? do_move_mount_old+0x160/0x160
[  243.296120][ T6206]  ? user_path_at_empty+0x12b/0x180
[  243.301437][ T6206]  __se_sys_mount+0x2d5/0x3c0
[  243.306154][ T6206]  ? __x64_sys_mount+0xc0/0xc0
[  243.311049][ T6206]  ? syscall_enter_from_user_mode+0x2e/0x240
[  243.317067][ T6206]  ? lockdep_hardirqs_on+0x94/0x130
[  243.322305][ T6206]  ? __x64_sys_mount+0x1c/0xc0
[  243.327094][ T6206]  do_syscall_64+0x3b/0xb0
[  243.331625][ T6206]  ? clear_bhb_loop+0x15/0x70
[  243.336341][ T6206]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.342255][ T6206] RIP: 0033:0x7f738f0d890a
[  243.346688][ T6206] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.366611][ T6206] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.375160][ T6206] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  243.383297][ T6206] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  243.391293][ T6206] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  243.399284][ T6206] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.407449][ T6206] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  243.415468][ T6206]  </TASK>
[  243.416181][ T6211] loop5: detected capacity change from 0 to 32768
[  243.419402][ T6206] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.419427][ T6206] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.733765][ T6208] loop1: detected capacity change from 0 to 32768
[  243.754540][ T6211] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.826322][ T6212] loop2: detected capacity change from 0 to 32768
[  243.832831][ T6211] CPU: 1 PID: 6211 Comm: syz.5.276 Not tainted 5.15.180-syzkaller #0
[  243.832868][ T6211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  243.832882][ T6211] Call Trace:
[  243.832891][ T6211]  <TASK>
[  243.832900][ T6211]  dump_stack_lvl+0x1e3/0x2d0
[  243.832933][ T6211]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  243.832960][ T6211]  ? panic+0x860/0x860
[  243.832986][ T6211]  ? sysfs_create_dir_ns+0x282/0x390
[  243.833018][ T6211]  sysfs_create_dir_ns+0x2c6/0x390
[  243.833047][ T6211]  ? sysfs_warn_dup+0xa0/0xa0
[  243.833073][ T6211]  ? do_raw_spin_unlock+0x137/0x8b0
[  243.833099][ T6211]  ? kobject_set_name_vargs+0xca/0x110
[  243.833128][ T6211]  kobject_add_internal+0x6e0/0xe00
[  243.833160][ T6211]  kobject_init_and_add+0x120/0x190
[  243.833184][ T6211]  ? lockdep_softirqs_off+0x420/0x420
[  243.833205][ T6211]  ? widen_string+0x3a/0x310
[  243.833234][ T6211]  ? kobject_add+0x210/0x210
[  243.833261][ T6211]  ? __init_swait_queue_head+0xaa/0x140
[  243.833290][ T6211]  gfs2_sys_fs_add+0x237/0x4a0
[  243.833316][ T6211]  ? gfs2_recover_set+0x240/0x240
[  243.833340][ T6211]  ? snprintf+0xd6/0x120
[  243.833370][ T6211]  ? vscnprintf+0x80/0x80
[  243.833400][ T6211]  ? read_word_at_a_time+0xe/0x20
[  243.833424][ T6211]  ? strscpy+0x89/0x220
[  243.833451][ T6211]  gfs2_fill_super+0x1299/0x2750
[  243.833498][ T6211]  ? gfs2_reconfigure+0xcf0/0xcf0
[  243.833522][ T6211]  ? ptr_to_hashval+0x60/0x60
[  243.833548][ T6211]  ? up_write+0x19d/0x580
[  243.833590][ T6211]  ? set_blocksize+0x1ec/0x370
[  243.833620][ T6211]  get_tree_bdev+0x3fe/0x620
[  243.833642][ T6211]  ? gfs2_reconfigure+0xcf0/0xcf0
[  243.833669][ T6211]  gfs2_get_tree+0x50/0x210
[  243.833691][ T6211]  ? bpf_lsm_capable+0x5/0x10
[  243.833719][ T6211]  vfs_get_tree+0x88/0x270
[  243.833744][ T6211]  do_new_mount+0x2ba/0xb40
[  243.833773][ T6211]  ? do_move_mount_old+0x160/0x160
[  244.013444][ T6211]  ? user_path_at_empty+0x12b/0x180
[  244.018662][ T6211]  __se_sys_mount+0x2d5/0x3c0
[  244.023354][ T6211]  ? __x64_sys_mount+0xc0/0xc0
[  244.028122][ T6211]  ? syscall_enter_from_user_mode+0x2e/0x240
[  244.034233][ T6211]  ? lockdep_hardirqs_on+0x94/0x130
[  244.039469][ T6211]  ? __x64_sys_mount+0x1c/0xc0
[  244.044357][ T6211]  do_syscall_64+0x3b/0xb0
[  244.048803][ T6211]  ? clear_bhb_loop+0x15/0x70
[  244.053488][ T6211]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.059558][ T6211] RIP: 0033:0x7f6914f0490a
[  244.063999][ T6211] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.083621][ T6211] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.092129][ T6211] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  244.100114][ T6211] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  244.108122][ T6211] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  244.116096][ T6211] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.124243][ T6211] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  244.132492][ T6211]  </TASK>
[  244.136763][ T6211] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.144702][ T6208] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.149950][ T6211] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.164233][ T6208] CPU: 0 PID: 6208 Comm: syz.1.274 Not tainted 5.15.180-syzkaller #0
[  244.172324][ T6208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  244.182486][ T6208] Call Trace:
[  244.185784][ T6208]  <TASK>
[  244.188732][ T6208]  dump_stack_lvl+0x1e3/0x2d0
[  244.193440][ T6208]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  244.199097][ T6208]  ? panic+0x860/0x860
[  244.203192][ T6208]  ? sysfs_create_dir_ns+0x282/0x390
[  244.208508][ T6208]  sysfs_create_dir_ns+0x2c6/0x390
[  244.213658][ T6208]  ? sysfs_warn_dup+0xa0/0xa0
[  244.218358][ T6208]  ? do_raw_spin_unlock+0x137/0x8b0
[  244.223665][ T6208]  ? kobject_set_name_vargs+0xca/0x110
[  244.229149][ T6208]  kobject_add_internal+0x6e0/0xe00
[  244.234378][ T6208]  kobject_init_and_add+0x120/0x190
[  244.239689][ T6208]  ? lockdep_softirqs_off+0x420/0x420
[  244.245089][ T6208]  ? widen_string+0x3a/0x310
[  244.249710][ T6208]  ? kobject_add+0x210/0x210
[  244.254325][ T6208]  ? __init_swait_queue_head+0xaa/0x140
[  244.260000][ T6208]  gfs2_sys_fs_add+0x237/0x4a0
[  244.264795][ T6208]  ? gfs2_recover_set+0x240/0x240
[  244.269860][ T6208]  ? snprintf+0xd6/0x120
[  244.274129][ T6208]  ? vscnprintf+0x80/0x80
[  244.278478][ T6208]  ? read_word_at_a_time+0xe/0x20
[  244.283620][ T6208]  ? strscpy+0x89/0x220
[  244.287791][ T6208]  gfs2_fill_super+0x1299/0x2750
[  244.292766][ T6208]  ? gfs2_reconfigure+0xcf0/0xcf0
[  244.297805][ T6208]  ? ptr_to_hashval+0x60/0x60
[  244.302515][ T6208]  ? up_write+0x19d/0x580
[  244.306882][ T6208]  ? set_blocksize+0x1ec/0x370
[  244.311678][ T6208]  get_tree_bdev+0x3fe/0x620
[  244.316290][ T6208]  ? gfs2_reconfigure+0xcf0/0xcf0
[  244.321344][ T6208]  gfs2_get_tree+0x50/0x210
[  244.325875][ T6208]  ? bpf_lsm_capable+0x5/0x10
[  244.330585][ T6208]  vfs_get_tree+0x88/0x270
[  244.335045][ T6208]  do_new_mount+0x2ba/0xb40
[  244.339587][ T6208]  ? do_move_mount_old+0x160/0x160
[  244.344727][ T6208]  ? user_path_at_empty+0x12b/0x180
[  244.349956][ T6208]  __se_sys_mount+0x2d5/0x3c0
[  244.354668][ T6208]  ? __x64_sys_mount+0xc0/0xc0
[  244.359459][ T6208]  ? syscall_enter_from_user_mode+0x2e/0x240
[  244.365467][ T6208]  ? lockdep_hardirqs_on+0x94/0x130
[  244.370697][ T6208]  ? __x64_sys_mount+0x1c/0xc0
[  244.375496][ T6208]  do_syscall_64+0x3b/0xb0
[  244.379939][ T6208]  ? clear_bhb_loop+0x15/0x70
[  244.384664][ T6208]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.390767][ T6208] RIP: 0033:0x7f4c5def390a
[  244.395232][ T6208] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.414957][ T6208] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.423410][ T6208] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  244.431493][ T6208] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  244.439571][ T6208] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  244.447697][ T6208] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.455696][ T6208] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  244.463753][ T6208]  </TASK>
[  244.468297][ T6208] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.481492][ T6208] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.488739][ T6214] loop3: detected capacity change from 0 to 32768
[  244.507614][ T6212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.515332][ T6212] CPU: 0 PID: 6212 Comm: syz.2.275 Not tainted 5.15.180-syzkaller #0
[  244.519444][ T6214] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.523429][ T6212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  244.523445][ T6212] Call Trace:
[  244.523452][ T6212]  <TASK>
[  244.523462][ T6212]  dump_stack_lvl+0x1e3/0x2d0
[  244.551977][ T6212]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  244.557626][ T6212]  ? panic+0x860/0x860
[  244.561703][ T6212]  ? sysfs_create_dir_ns+0x282/0x390
[  244.567017][ T6212]  sysfs_create_dir_ns+0x2c6/0x390
[  244.572176][ T6212]  ? sysfs_warn_dup+0xa0/0xa0
[  244.576880][ T6212]  ? do_raw_spin_unlock+0x137/0x8b0
[  244.582120][ T6212]  ? kobject_set_name_vargs+0xca/0x110
[  244.587600][ T6212]  kobject_add_internal+0x6e0/0xe00
[  244.592847][ T6212]  kobject_init_and_add+0x120/0x190
[  244.598052][ T6212]  ? lockdep_softirqs_off+0x420/0x420
[  244.603427][ T6212]  ? widen_string+0x3a/0x310
[  244.608129][ T6212]  ? kobject_add+0x210/0x210
[  244.612729][ T6212]  ? __init_swait_queue_head+0xaa/0x140
[  244.618406][ T6212]  gfs2_sys_fs_add+0x237/0x4a0
[  244.623508][ T6212]  ? gfs2_recover_set+0x240/0x240
[  244.628581][ T6212]  ? snprintf+0xd6/0x120
[  244.632861][ T6212]  ? vscnprintf+0x80/0x80
[  244.637253][ T6212]  ? read_word_at_a_time+0xe/0x20
[  244.642288][ T6212]  ? strscpy+0x89/0x220
[  244.646541][ T6212]  gfs2_fill_super+0x1299/0x2750
[  244.651528][ T6212]  ? gfs2_reconfigure+0xcf0/0xcf0
[  244.656840][ T6212]  ? ptr_to_hashval+0x60/0x60
[  244.661537][ T6212]  ? up_write+0x19d/0x580
[  244.665894][ T6212]  ? set_blocksize+0x1ec/0x370
[  244.670675][ T6212]  get_tree_bdev+0x3fe/0x620
[  244.675547][ T6212]  ? gfs2_reconfigure+0xcf0/0xcf0
[  244.680581][ T6212]  gfs2_get_tree+0x50/0x210
[  244.685189][ T6212]  ? bpf_lsm_capable+0x5/0x10
[  244.689891][ T6212]  vfs_get_tree+0x88/0x270
[  244.694341][ T6212]  do_new_mount+0x2ba/0xb40
[  244.699040][ T6212]  ? do_move_mount_old+0x160/0x160
[  244.704246][ T6212]  ? user_path_at_empty+0x12b/0x180
[  244.709457][ T6212]  __se_sys_mount+0x2d5/0x3c0
[  244.714145][ T6212]  ? __x64_sys_mount+0xc0/0xc0
[  244.718927][ T6212]  ? syscall_enter_from_user_mode+0x2e/0x240
[  244.724916][ T6212]  ? lockdep_hardirqs_on+0x94/0x130
[  244.730121][ T6212]  ? __x64_sys_mount+0x1c/0xc0
[  244.734907][ T6212]  do_syscall_64+0x3b/0xb0
[  244.739364][ T6212]  ? clear_bhb_loop+0x15/0x70
[  244.744064][ T6212]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.749968][ T6212] RIP: 0033:0x7f3711f4790a
[  244.754395][ T6212] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.774108][ T6212] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.782595][ T6212] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  244.790655][ T6212] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  244.798626][ T6212] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  244.806598][ T6212] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.814579][ T6212] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  244.822652][ T6212]  </TASK>
[  244.826957][ T6212] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.840125][ T6214] CPU: 1 PID: 6214 Comm: syz.3.277 Not tainted 5.15.180-syzkaller #0
[  244.840152][ T6214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  244.840165][ T6214] Call Trace:
[  244.840173][ T6214]  <TASK>
[  244.840181][ T6214]  dump_stack_lvl+0x1e3/0x2d0
[  244.840214][ T6214]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  244.840239][ T6214]  ? panic+0x860/0x860
[  244.840265][ T6214]  ? sysfs_create_dir_ns+0x282/0x390
[  244.840295][ T6214]  sysfs_create_dir_ns+0x2c6/0x390
[  244.840323][ T6214]  ? sysfs_warn_dup+0xa0/0xa0
[  244.840348][ T6214]  ? do_raw_spin_unlock+0x137/0x8b0
[  244.840374][ T6214]  ? kobject_set_name_vargs+0xca/0x110
[  244.840403][ T6214]  kobject_add_internal+0x6e0/0xe00
[  244.840434][ T6214]  kobject_init_and_add+0x120/0x190
[  244.840457][ T6214]  ? lockdep_softirqs_off+0x420/0x420
[  244.840478][ T6214]  ? widen_string+0x3a/0x310
[  244.840505][ T6214]  ? kobject_add+0x210/0x210
[  244.840540][ T6214]  ? __init_swait_queue_head+0xaa/0x140
[  244.840568][ T6214]  gfs2_sys_fs_add+0x237/0x4a0
[  244.840594][ T6214]  ? gfs2_recover_set+0x240/0x240
[  244.840617][ T6214]  ? snprintf+0xd6/0x120
[  244.840647][ T6214]  ? vscnprintf+0x80/0x80
[  244.840677][ T6214]  ? read_word_at_a_time+0xe/0x20
[  244.840700][ T6214]  ? strscpy+0x89/0x220
[  244.840725][ T6214]  gfs2_fill_super+0x1299/0x2750
[  244.840770][ T6214]  ? gfs2_reconfigure+0xcf0/0xcf0
[  244.840794][ T6214]  ? ptr_to_hashval+0x60/0x60
[  244.840819][ T6214]  ? up_write+0x19d/0x580
[  244.840862][ T6214]  ? set_blocksize+0x1ec/0x370
[  244.849102][ T6212] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.859100][ T6214]  get_tree_bdev+0x3fe/0x620
[  244.859139][ T6214]  ? gfs2_reconfigure+0xcf0/0xcf0
[  244.859166][ T6214]  gfs2_get_tree+0x50/0x210
[  244.859187][ T6214]  ? bpf_lsm_capable+0x5/0x10
[  244.859213][ T6214]  vfs_get_tree+0x88/0x270
[  244.859237][ T6214]  do_new_mount+0x2ba/0xb40
[  244.859264][ T6214]  ? do_move_mount_old+0x160/0x160
[  244.859292][ T6214]  ? user_path_at_empty+0x12b/0x180
[  244.859315][ T6214]  __se_sys_mount+0x2d5/0x3c0
[  244.859344][ T6214]  ? __x64_sys_mount+0xc0/0xc0
[  244.859368][ T6214]  ? syscall_enter_from_user_mode+0x2e/0x240
[  244.859391][ T6214]  ? lockdep_hardirqs_on+0x94/0x130
[  244.859419][ T6214]  ? __x64_sys_mount+0x1c/0xc0
[  244.859444][ T6214]  do_syscall_64+0x3b/0xb0
[  244.859466][ T6214]  ? clear_bhb_loop+0x15/0x70
[  244.859491][ T6214]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.859515][ T6214] RIP: 0033:0x7f91e97b190a
[  244.859537][ T6214] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.859566][ T6214] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.859593][ T6214] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  244.859611][ T6214] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  244.859627][ T6214] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  244.859643][ T6214] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.859658][ T6214] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  244.859689][ T6214]  </TASK>
[  244.860356][ T6214] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.166168][ T6214] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.431709][ T6216] loop4: detected capacity change from 0 to 32768
[  245.510187][ T6218] loop5: detected capacity change from 0 to 32768
[  245.539907][ T6216] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.548278][ T6216] CPU: 0 PID: 6216 Comm: syz.4.278 Not tainted 5.15.180-syzkaller #0
[  245.556380][ T6216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  245.566486][ T6216] Call Trace:
[  245.569780][ T6216]  <TASK>
[  245.572722][ T6216]  dump_stack_lvl+0x1e3/0x2d0
[  245.577424][ T6216]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  245.583161][ T6216]  ? panic+0x860/0x860
[  245.587356][ T6216]  ? sysfs_create_dir_ns+0x282/0x390
[  245.592678][ T6216]  sysfs_create_dir_ns+0x2c6/0x390
[  245.597951][ T6216]  ? sysfs_warn_dup+0xa0/0xa0
[  245.602749][ T6216]  ? do_raw_spin_unlock+0x137/0x8b0
[  245.607978][ T6216]  ? kobject_set_name_vargs+0xca/0x110
[  245.613579][ T6216]  kobject_add_internal+0x6e0/0xe00
[  245.618827][ T6216]  kobject_init_and_add+0x120/0x190
[  245.624048][ T6216]  ? lockdep_softirqs_off+0x420/0x420
[  245.629445][ T6216]  ? widen_string+0x3a/0x310
[  245.634078][ T6216]  ? kobject_add+0x210/0x210
[  245.638710][ T6216]  ? __init_swait_queue_head+0xaa/0x140
[  245.644328][ T6216]  gfs2_sys_fs_add+0x237/0x4a0
[  245.649136][ T6216]  ? gfs2_recover_set+0x240/0x240
[  245.654190][ T6216]  ? snprintf+0xd6/0x120
[  245.658575][ T6216]  ? vscnprintf+0x80/0x80
[  245.662938][ T6216]  ? read_word_at_a_time+0xe/0x20
[  245.667986][ T6216]  ? strscpy+0x89/0x220
[  245.672168][ T6216]  gfs2_fill_super+0x1299/0x2750
[  245.677213][ T6216]  ? gfs2_reconfigure+0xcf0/0xcf0
[  245.682266][ T6216]  ? ptr_to_hashval+0x60/0x60
[  245.686977][ T6216]  ? up_write+0x19d/0x580
[  245.691372][ T6216]  ? set_blocksize+0x1ec/0x370
[  245.696317][ T6216]  get_tree_bdev+0x3fe/0x620
[  245.700952][ T6216]  ? gfs2_reconfigure+0xcf0/0xcf0
[  245.706092][ T6216]  gfs2_get_tree+0x50/0x210
[  245.710622][ T6216]  ? bpf_lsm_capable+0x5/0x10
[  245.715424][ T6216]  vfs_get_tree+0x88/0x270
[  245.719874][ T6216]  do_new_mount+0x2ba/0xb40
[  245.724412][ T6216]  ? do_move_mount_old+0x160/0x160
[  245.729559][ T6216]  ? user_path_at_empty+0x12b/0x180
[  245.734782][ T6216]  __se_sys_mount+0x2d5/0x3c0
[  245.739539][ T6216]  ? __x64_sys_mount+0xc0/0xc0
[  245.744467][ T6216]  ? syscall_enter_from_user_mode+0x2e/0x240
[  245.750518][ T6216]  ? lockdep_hardirqs_on+0x94/0x130
[  245.755745][ T6216]  ? __x64_sys_mount+0x1c/0xc0
[  245.760532][ T6216]  do_syscall_64+0x3b/0xb0
[  245.764958][ T6216]  ? clear_bhb_loop+0x15/0x70
[  245.769824][ T6216]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.775828][ T6216] RIP: 0033:0x7f738f0d890a
[  245.780265][ T6216] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.799883][ T6216] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.808395][ T6216] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  245.816438][ T6216] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  245.824444][ T6216] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  245.832450][ T6216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.840452][ T6216] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  245.848495][ T6216]  </TASK>
[  245.852872][ T6216] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.866081][ T6216] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.965772][ T6220] loop1: detected capacity change from 0 to 32768
[  245.985301][ T6218] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.992873][ T6218] CPU: 0 PID: 6218 Comm: syz.5.279 Not tainted 5.15.180-syzkaller #0
[  246.001144][ T6218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  246.011221][ T6218] Call Trace:
[  246.014539][ T6218]  <TASK>
[  246.017511][ T6218]  dump_stack_lvl+0x1e3/0x2d0
[  246.022230][ T6218]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  246.027904][ T6218]  ? panic+0x860/0x860
[  246.032054][ T6218]  ? sysfs_create_dir_ns+0x282/0x390
[  246.037390][ T6218]  sysfs_create_dir_ns+0x2c6/0x390
[  246.042542][ T6218]  ? sysfs_warn_dup+0xa0/0xa0
[  246.047257][ T6218]  ? do_raw_spin_unlock+0x137/0x8b0
[  246.052583][ T6218]  ? kobject_set_name_vargs+0xca/0x110
[  246.058094][ T6218]  kobject_add_internal+0x6e0/0xe00
[  246.063333][ T6218]  kobject_init_and_add+0x120/0x190
[  246.068558][ T6218]  ? lockdep_softirqs_off+0x420/0x420
[  246.073971][ T6218]  ? widen_string+0x3a/0x310
[  246.078594][ T6218]  ? kobject_add+0x210/0x210
[  246.083225][ T6218]  ? __init_swait_queue_head+0xaa/0x140
[  246.088808][ T6218]  gfs2_sys_fs_add+0x237/0x4a0
[  246.093605][ T6218]  ? gfs2_recover_set+0x240/0x240
[  246.098652][ T6218]  ? snprintf+0xd6/0x120
[  246.102932][ T6218]  ? vscnprintf+0x80/0x80
[  246.107422][ T6218]  ? read_word_at_a_time+0xe/0x20
[  246.112513][ T6218]  ? strscpy+0x89/0x220
[  246.116713][ T6218]  gfs2_fill_super+0x1299/0x2750
[  246.121789][ T6218]  ? gfs2_reconfigure+0xcf0/0xcf0
[  246.126834][ T6218]  ? ptr_to_hashval+0x60/0x60
[  246.131537][ T6218]  ? up_write+0x19d/0x580
[  246.135911][ T6218]  ? set_blocksize+0x1ec/0x370
[  246.140699][ T6218]  get_tree_bdev+0x3fe/0x620
[  246.145403][ T6218]  ? gfs2_reconfigure+0xcf0/0xcf0
[  246.150442][ T6218]  gfs2_get_tree+0x50/0x210
[  246.154970][ T6218]  ? bpf_lsm_capable+0x5/0x10
[  246.159739][ T6218]  vfs_get_tree+0x88/0x270
[  246.164191][ T6218]  do_new_mount+0x2ba/0xb40
[  246.168735][ T6218]  ? do_move_mount_old+0x160/0x160
[  246.173977][ T6218]  ? user_path_at_empty+0x12b/0x180
[  246.179204][ T6218]  __se_sys_mount+0x2d5/0x3c0
[  246.184007][ T6218]  ? __x64_sys_mount+0xc0/0xc0
[  246.188801][ T6218]  ? syscall_enter_from_user_mode+0x2e/0x240
[  246.194820][ T6218]  ? lockdep_hardirqs_on+0x94/0x130
[  246.200053][ T6218]  ? __x64_sys_mount+0x1c/0xc0
[  246.204847][ T6218]  do_syscall_64+0x3b/0xb0
[  246.209289][ T6218]  ? clear_bhb_loop+0x15/0x70
[  246.213994][ T6218]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.220087][ T6218] RIP: 0033:0x7f6914f0490a
[  246.224531][ T6218] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.244182][ T6218] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.252629][ T6218] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  246.260640][ T6218] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  246.268647][ T6218] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  246.276734][ T6218] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.284732][ T6218] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  246.292749][ T6218]  </TASK>
[  246.298153][ T6218] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.311352][ T6218] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.338210][ T6220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.345189][ T6222] loop3: detected capacity change from 0 to 32768
[  246.345737][ T6220] CPU: 0 PID: 6220 Comm: syz.1.280 Not tainted 5.15.180-syzkaller #0
[  246.360098][ T6220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  246.370172][ T6220] Call Trace:
[  246.373473][ T6220]  <TASK>
[  246.376425][ T6220]  dump_stack_lvl+0x1e3/0x2d0
[  246.381143][ T6220]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  246.386887][ T6220]  ? panic+0x860/0x860
[  246.391085][ T6220]  ? sysfs_create_dir_ns+0x282/0x390
[  246.396502][ T6220]  sysfs_create_dir_ns+0x2c6/0x390
[  246.401733][ T6220]  ? sysfs_warn_dup+0xa0/0xa0
[  246.406523][ T6220]  ? do_raw_spin_unlock+0x137/0x8b0
[  246.411750][ T6220]  ? kobject_set_name_vargs+0xca/0x110
[  246.417235][ T6220]  kobject_add_internal+0x6e0/0xe00
[  246.422471][ T6220]  kobject_init_and_add+0x120/0x190
[  246.427740][ T6220]  ? lockdep_softirqs_off+0x420/0x420
[  246.433154][ T6220]  ? widen_string+0x3a/0x310
[  246.437796][ T6220]  ? kobject_add+0x210/0x210
[  246.442425][ T6220]  ? __init_swait_queue_head+0xaa/0x140
[  246.448031][ T6220]  gfs2_sys_fs_add+0x237/0x4a0
[  246.452826][ T6220]  ? gfs2_recover_set+0x240/0x240
[  246.457961][ T6220]  ? snprintf+0xd6/0x120
[  246.462239][ T6220]  ? vscnprintf+0x80/0x80
[  246.466602][ T6220]  ? read_word_at_a_time+0xe/0x20
[  246.471654][ T6220]  ? strscpy+0x89/0x220
[  246.475838][ T6220]  gfs2_fill_super+0x1299/0x2750
[  246.480820][ T6220]  ? gfs2_reconfigure+0xcf0/0xcf0
[  246.485866][ T6220]  ? ptr_to_hashval+0x60/0x60
[  246.490561][ T6220]  ? up_write+0x19d/0x580
[  246.494931][ T6220]  ? set_blocksize+0x1ec/0x370
[  246.499723][ T6220]  get_tree_bdev+0x3fe/0x620
[  246.504329][ T6220]  ? gfs2_reconfigure+0xcf0/0xcf0
[  246.509379][ T6220]  gfs2_get_tree+0x50/0x210
[  246.513896][ T6220]  ? bpf_lsm_capable+0x5/0x10
[  246.518604][ T6220]  vfs_get_tree+0x88/0x270
[  246.523050][ T6220]  do_new_mount+0x2ba/0xb40
[  246.527584][ T6220]  ? do_move_mount_old+0x160/0x160
[  246.532730][ T6220]  ? user_path_at_empty+0x12b/0x180
[  246.537955][ T6220]  __se_sys_mount+0x2d5/0x3c0
[  246.542665][ T6220]  ? __x64_sys_mount+0xc0/0xc0
[  246.547574][ T6220]  ? syscall_enter_from_user_mode+0x2e/0x240
[  246.553673][ T6220]  ? lockdep_hardirqs_on+0x94/0x130
[  246.559022][ T6220]  ? __x64_sys_mount+0x1c/0xc0
[  246.563818][ T6220]  do_syscall_64+0x3b/0xb0
[  246.568259][ T6220]  ? clear_bhb_loop+0x15/0x70
[  246.572962][ T6220]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.578917][ T6220] RIP: 0033:0x7f4c5def390a
[  246.583380][ T6220] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.603057][ T6220] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.611681][ T6220] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  246.619688][ T6220] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  246.627804][ T6220] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  246.635891][ T6220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.643886][ T6220] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  246.651917][ T6220]  </TASK>
[  246.656494][ T6220] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.669669][ T6220] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.697790][ T6224] loop2: detected capacity change from 0 to 32768
[  246.771863][ T6224] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.776455][ T6222] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.779538][ T6224] CPU: 1 PID: 6224 Comm: syz.2.281 Not tainted 5.15.180-syzkaller #0
[  246.795134][ T6224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  246.805286][ T6224] Call Trace:
[  246.808590][ T6224]  <TASK>
[  246.811529][ T6224]  dump_stack_lvl+0x1e3/0x2d0
[  246.816253][ T6224]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  246.821978][ T6224]  ? panic+0x860/0x860
[  246.826053][ T6224]  ? sysfs_create_dir_ns+0x282/0x390
[  246.831366][ T6224]  sysfs_create_dir_ns+0x2c6/0x390
[  246.836801][ T6224]  ? sysfs_warn_dup+0xa0/0xa0
[  246.841485][ T6224]  ? do_raw_spin_unlock+0x137/0x8b0
[  246.846886][ T6224]  ? kobject_set_name_vargs+0xca/0x110
[  246.852383][ T6224]  kobject_add_internal+0x6e0/0xe00
[  246.857723][ T6224]  kobject_init_and_add+0x120/0x190
[  246.862950][ T6224]  ? lockdep_softirqs_off+0x420/0x420
[  246.868363][ T6224]  ? widen_string+0x3a/0x310
[  246.872979][ T6224]  ? kobject_add+0x210/0x210
[  246.877602][ T6224]  ? __init_swait_queue_head+0xaa/0x140
[  246.883363][ T6224]  gfs2_sys_fs_add+0x237/0x4a0
[  246.888160][ T6224]  ? gfs2_recover_set+0x240/0x240
[  246.893203][ T6224]  ? snprintf+0xd6/0x120
[  246.897470][ T6224]  ? vscnprintf+0x80/0x80
[  246.901816][ T6224]  ? read_word_at_a_time+0xe/0x20
[  246.906850][ T6224]  ? strscpy+0x89/0x220
[  246.911026][ T6224]  gfs2_fill_super+0x1299/0x2750
[  246.916443][ T6224]  ? gfs2_reconfigure+0xcf0/0xcf0
[  246.921470][ T6224]  ? ptr_to_hashval+0x60/0x60
[  246.926154][ T6224]  ? up_write+0x19d/0x580
[  246.930501][ T6224]  ? set_blocksize+0x1ec/0x370
[  246.935277][ T6224]  get_tree_bdev+0x3fe/0x620
[  246.939873][ T6224]  ? gfs2_reconfigure+0xcf0/0xcf0
[  246.944904][ T6224]  gfs2_get_tree+0x50/0x210
[  246.949436][ T6224]  ? bpf_lsm_capable+0x5/0x10
[  246.954116][ T6224]  vfs_get_tree+0x88/0x270
[  246.958534][ T6224]  do_new_mount+0x2ba/0xb40
[  246.963141][ T6224]  ? do_move_mount_old+0x160/0x160
[  246.968255][ T6224]  ? user_path_at_empty+0x12b/0x180
[  246.973459][ T6224]  __se_sys_mount+0x2d5/0x3c0
[  246.978145][ T6224]  ? __x64_sys_mount+0xc0/0xc0
[  246.982907][ T6224]  ? syscall_enter_from_user_mode+0x2e/0x240
[  246.988889][ T6224]  ? lockdep_hardirqs_on+0x94/0x130
[  246.994271][ T6224]  ? __x64_sys_mount+0x1c/0xc0
[  246.999056][ T6224]  do_syscall_64+0x3b/0xb0
[  247.003581][ T6224]  ? clear_bhb_loop+0x15/0x70
[  247.008278][ T6224]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.014195][ T6224] RIP: 0033:0x7f3711f4790a
[  247.018732][ T6224] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.038363][ T6224] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.046790][ T6224] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  247.054768][ T6224] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  247.062751][ T6224] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  247.070728][ T6224] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.078713][ T6224] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  247.086790][ T6224]  </TASK>
[  247.089997][ T6222] CPU: 0 PID: 6222 Comm: syz.3.282 Not tainted 5.15.180-syzkaller #0
[  247.091121][ T6224] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.098078][ T6222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  247.098094][ T6222] Call Trace:
[  247.098103][ T6222]  <TASK>
[  247.098112][ T6222]  dump_stack_lvl+0x1e3/0x2d0
[  247.111728][ T6224] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.121250][ T6222]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  247.121282][ T6222]  ? panic+0x860/0x860
[  247.148588][ T6222]  ? sysfs_create_dir_ns+0x282/0x390
[  247.153902][ T6222]  sysfs_create_dir_ns+0x2c6/0x390
[  247.159036][ T6222]  ? sysfs_warn_dup+0xa0/0xa0
[  247.163729][ T6222]  ? do_raw_spin_unlock+0x137/0x8b0
[  247.168944][ T6222]  ? kobject_set_name_vargs+0xca/0x110
[  247.174683][ T6222]  kobject_add_internal+0x6e0/0xe00
[  247.179908][ T6222]  kobject_init_and_add+0x120/0x190
[  247.185120][ T6222]  ? lockdep_softirqs_off+0x420/0x420
[  247.190510][ T6222]  ? widen_string+0x3a/0x310
[  247.195121][ T6222]  ? kobject_add+0x210/0x210
[  247.199736][ T6222]  ? __init_swait_queue_head+0xaa/0x140
[  247.205315][ T6222]  gfs2_sys_fs_add+0x237/0x4a0
[  247.210112][ T6222]  ? gfs2_recover_set+0x240/0x240
[  247.215195][ T6222]  ? snprintf+0xd6/0x120
[  247.219467][ T6222]  ? vscnprintf+0x80/0x80
[  247.223817][ T6222]  ? read_word_at_a_time+0xe/0x20
[  247.228861][ T6222]  ? strscpy+0x89/0x220
[  247.233044][ T6222]  gfs2_fill_super+0x1299/0x2750
[  247.238031][ T6222]  ? gfs2_reconfigure+0xcf0/0xcf0
[  247.243087][ T6222]  ? ptr_to_hashval+0x60/0x60
[  247.247820][ T6222]  ? up_write+0x19d/0x580
[  247.252197][ T6222]  ? set_blocksize+0x1ec/0x370
[  247.257002][ T6222]  get_tree_bdev+0x3fe/0x620
[  247.261752][ T6222]  ? gfs2_reconfigure+0xcf0/0xcf0
[  247.266902][ T6222]  gfs2_get_tree+0x50/0x210
[  247.271438][ T6222]  ? bpf_lsm_capable+0x5/0x10
[  247.276154][ T6222]  vfs_get_tree+0x88/0x270
[  247.280703][ T6222]  do_new_mount+0x2ba/0xb40
[  247.285257][ T6222]  ? do_move_mount_old+0x160/0x160
[  247.290426][ T6222]  ? user_path_at_empty+0x12b/0x180
[  247.295662][ T6222]  __se_sys_mount+0x2d5/0x3c0
[  247.300381][ T6222]  ? __x64_sys_mount+0xc0/0xc0
[  247.305182][ T6222]  ? syscall_enter_from_user_mode+0x2e/0x240
[  247.311286][ T6222]  ? lockdep_hardirqs_on+0x94/0x130
[  247.316608][ T6222]  ? __x64_sys_mount+0x1c/0xc0
[  247.321486][ T6222]  do_syscall_64+0x3b/0xb0
[  247.325924][ T6222]  ? clear_bhb_loop+0x15/0x70
[  247.330700][ T6222]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.336626][ T6222] RIP: 0033:0x7f91e97b190a
[  247.341065][ T6222] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.360699][ T6222] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.369239][ T6222] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  247.377374][ T6222] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  247.385409][ T6222] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  247.393591][ T6222] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.401772][ T6222] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  247.409812][ T6222]  </TASK>
[  247.414183][ T6222] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.427392][ T6222] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.610471][ T6226] loop4: detected capacity change from 0 to 32768
[  247.772356][ T6228] loop5: detected capacity change from 0 to 32768
[  247.911068][ T6230] loop1: detected capacity change from 0 to 32768
[  247.921499][ T6226] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.929524][ T6226] CPU: 1 PID: 6226 Comm: syz.4.283 Not tainted 5.15.180-syzkaller #0
[  247.937711][ T6226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  247.947788][ T6226] Call Trace:
[  247.951175][ T6226]  <TASK>
[  247.954122][ T6226]  dump_stack_lvl+0x1e3/0x2d0
[  247.958846][ T6226]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  247.964501][ T6226]  ? panic+0x860/0x860
[  247.968725][ T6226]  ? sysfs_create_dir_ns+0x282/0x390
[  247.974045][ T6226]  sysfs_create_dir_ns+0x2c6/0x390
[  247.979187][ T6226]  ? sysfs_warn_dup+0xa0/0xa0
[  247.983926][ T6226]  ? do_raw_spin_unlock+0x137/0x8b0
[  247.989166][ T6226]  ? kobject_set_name_vargs+0xca/0x110
[  247.994841][ T6226]  kobject_add_internal+0x6e0/0xe00
[  248.000084][ T6226]  kobject_init_and_add+0x120/0x190
[  248.005363][ T6226]  ? lockdep_softirqs_off+0x420/0x420
[  248.010764][ T6226]  ? widen_string+0x3a/0x310
[  248.015389][ T6226]  ? kobject_add+0x210/0x210
[  248.020026][ T6226]  ? __init_swait_queue_head+0xaa/0x140
[  248.025686][ T6226]  gfs2_sys_fs_add+0x237/0x4a0
[  248.030488][ T6226]  ? gfs2_recover_set+0x240/0x240
[  248.035552][ T6226]  ? snprintf+0xd6/0x120
[  248.039927][ T6226]  ? vscnprintf+0x80/0x80
[  248.044384][ T6226]  ? read_word_at_a_time+0xe/0x20
[  248.049454][ T6226]  ? strscpy+0x89/0x220
[  248.053642][ T6226]  gfs2_fill_super+0x1299/0x2750
[  248.058731][ T6226]  ? gfs2_reconfigure+0xcf0/0xcf0
[  248.063791][ T6226]  ? ptr_to_hashval+0x60/0x60
[  248.068503][ T6226]  ? up_write+0x19d/0x580
[  248.072880][ T6226]  ? set_blocksize+0x1ec/0x370
[  248.077674][ T6226]  get_tree_bdev+0x3fe/0x620
[  248.082306][ T6226]  ? gfs2_reconfigure+0xcf0/0xcf0
[  248.087354][ T6226]  gfs2_get_tree+0x50/0x210
[  248.091887][ T6226]  ? bpf_lsm_capable+0x5/0x10
[  248.096616][ T6226]  vfs_get_tree+0x88/0x270
[  248.101071][ T6226]  do_new_mount+0x2ba/0xb40
[  248.105779][ T6226]  ? do_move_mount_old+0x160/0x160
[  248.111007][ T6226]  ? user_path_at_empty+0x12b/0x180
[  248.116325][ T6226]  __se_sys_mount+0x2d5/0x3c0
[  248.120081][ T6228] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.121030][ T6226]  ? __x64_sys_mount+0xc0/0xc0
[  248.133145][ T6226]  ? syscall_enter_from_user_mode+0x2e/0x240
[  248.139155][ T6226]  ? lockdep_hardirqs_on+0x94/0x130
[  248.144367][ T6226]  ? __x64_sys_mount+0x1c/0xc0
[  248.149136][ T6226]  do_syscall_64+0x3b/0xb0
[  248.153556][ T6226]  ? clear_bhb_loop+0x15/0x70
[  248.158328][ T6226]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.164314][ T6226] RIP: 0033:0x7f738f0d890a
[  248.168729][ T6226] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.188456][ T6226] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.196871][ T6226] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  248.204843][ T6226] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  248.212819][ T6226] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  248.220879][ T6226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.229032][ T6226] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  248.237105][ T6226]  </TASK>
[  248.240131][ T6228] CPU: 0 PID: 6228 Comm: syz.5.284 Not tainted 5.15.180-syzkaller #0
[  248.240878][ T6226] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.248327][ T6228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  248.248343][ T6228] Call Trace:
[  248.248352][ T6228]  <TASK>
[  248.248361][ T6228]  dump_stack_lvl+0x1e3/0x2d0
[  248.261558][ T6226] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.271671][ T6228]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  248.282205][ T6230] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.282672][ T6228]  ? panic+0x860/0x860
[  248.306235][ T6228]  ? sysfs_create_dir_ns+0x282/0x390
[  248.311627][ T6228]  sysfs_create_dir_ns+0x2c6/0x390
[  248.316747][ T6228]  ? sysfs_warn_dup+0xa0/0xa0
[  248.321431][ T6228]  ? do_raw_spin_unlock+0x137/0x8b0
[  248.326641][ T6228]  ? kobject_set_name_vargs+0xca/0x110
[  248.332133][ T6228]  kobject_add_internal+0x6e0/0xe00
[  248.337351][ T6228]  kobject_init_and_add+0x120/0x190
[  248.342566][ T6228]  ? lockdep_softirqs_off+0x420/0x420
[  248.347946][ T6228]  ? widen_string+0x3a/0x310
[  248.352546][ T6228]  ? kobject_add+0x210/0x210
[  248.357143][ T6228]  ? __init_swait_queue_head+0xaa/0x140
[  248.362704][ T6228]  gfs2_sys_fs_add+0x237/0x4a0
[  248.367473][ T6228]  ? gfs2_recover_set+0x240/0x240
[  248.372510][ T6228]  ? snprintf+0xd6/0x120
[  248.376764][ T6228]  ? vscnprintf+0x80/0x80
[  248.381118][ T6228]  ? read_word_at_a_time+0xe/0x20
[  248.386156][ T6228]  ? strscpy+0x89/0x220
[  248.390319][ T6228]  gfs2_fill_super+0x1299/0x2750
[  248.395279][ T6228]  ? gfs2_reconfigure+0xcf0/0xcf0
[  248.400308][ T6228]  ? ptr_to_hashval+0x60/0x60
[  248.405187][ T6228]  ? up_write+0x19d/0x580
[  248.409569][ T6228]  ? set_blocksize+0x1ec/0x370
[  248.414371][ T6228]  get_tree_bdev+0x3fe/0x620
[  248.419001][ T6228]  ? gfs2_reconfigure+0xcf0/0xcf0
[  248.424136][ T6228]  gfs2_get_tree+0x50/0x210
[  248.428659][ T6228]  ? bpf_lsm_capable+0x5/0x10
[  248.433368][ T6228]  vfs_get_tree+0x88/0x270
[  248.437823][ T6228]  do_new_mount+0x2ba/0xb40
[  248.442358][ T6228]  ? do_move_mount_old+0x160/0x160
[  248.447492][ T6228]  ? user_path_at_empty+0x12b/0x180
[  248.452703][ T6228]  __se_sys_mount+0x2d5/0x3c0
[  248.457491][ T6228]  ? __x64_sys_mount+0xc0/0xc0
[  248.462264][ T6228]  ? syscall_enter_from_user_mode+0x2e/0x240
[  248.468364][ T6228]  ? lockdep_hardirqs_on+0x94/0x130
[  248.473735][ T6228]  ? __x64_sys_mount+0x1c/0xc0
[  248.478540][ T6228]  do_syscall_64+0x3b/0xb0
[  248.482980][ T6228]  ? clear_bhb_loop+0x15/0x70
[  248.487792][ T6228]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.493713][ T6228] RIP: 0033:0x7f6914f0490a
[  248.498153][ T6228] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.517781][ T6228] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.526229][ T6228] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  248.534232][ T6228] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  248.542215][ T6228] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  248.550286][ T6228] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
2025/04/13 18:32:04 executed programs: 280
[  248.558275][ T6228] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  248.566354][ T6228]  </TASK>
[  248.569726][ T6230] CPU: 1 PID: 6230 Comm: syz.1.285 Not tainted 5.15.180-syzkaller #0
[  248.571182][ T6228] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.577823][ T6230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  248.577839][ T6230] Call Trace:
[  248.577847][ T6230]  <TASK>
[  248.577856][ T6230]  dump_stack_lvl+0x1e3/0x2d0
[  248.577890][ T6230]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  248.591450][ T6228] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.601513][ T6230]  ? panic+0x860/0x860
[  248.601552][ T6230]  ? sysfs_create_dir_ns+0x282/0x390
[  248.601581][ T6230]  sysfs_create_dir_ns+0x2c6/0x390
[  248.639322][ T6230]  ? sysfs_warn_dup+0xa0/0xa0
[  248.644070][ T6230]  ? do_raw_spin_unlock+0x137/0x8b0
[  248.649309][ T6230]  ? kobject_set_name_vargs+0xca/0x110
[  248.654812][ T6230]  kobject_add_internal+0x6e0/0xe00
[  248.660209][ T6230]  kobject_init_and_add+0x120/0x190
[  248.665439][ T6230]  ? lockdep_softirqs_off+0x420/0x420
[  248.670848][ T6230]  ? widen_string+0x3a/0x310
[  248.675513][ T6230]  ? kobject_add+0x210/0x210
[  248.680155][ T6230]  ? __init_swait_queue_head+0xaa/0x140
[  248.685911][ T6230]  gfs2_sys_fs_add+0x237/0x4a0
[  248.690718][ T6230]  ? gfs2_recover_set+0x240/0x240
[  248.695779][ T6230]  ? snprintf+0xd6/0x120
[  248.700058][ T6230]  ? vscnprintf+0x80/0x80
[  248.704430][ T6230]  ? read_word_at_a_time+0xe/0x20
[  248.709487][ T6230]  ? strscpy+0x89/0x220
[  248.713686][ T6230]  gfs2_fill_super+0x1299/0x2750
[  248.718671][ T6230]  ? gfs2_reconfigure+0xcf0/0xcf0
[  248.723722][ T6230]  ? ptr_to_hashval+0x60/0x60
[  248.728432][ T6230]  ? up_write+0x19d/0x580
[  248.732809][ T6230]  ? set_blocksize+0x1ec/0x370
[  248.737701][ T6230]  get_tree_bdev+0x3fe/0x620
[  248.742325][ T6230]  ? gfs2_reconfigure+0xcf0/0xcf0
[  248.747384][ T6230]  gfs2_get_tree+0x50/0x210
[  248.751924][ T6230]  ? bpf_lsm_capable+0x5/0x10
[  248.756629][ T6230]  vfs_get_tree+0x88/0x270
[  248.761067][ T6230]  do_new_mount+0x2ba/0xb40
[  248.765600][ T6230]  ? do_move_mount_old+0x160/0x160
[  248.770749][ T6230]  ? user_path_at_empty+0x12b/0x180
[  248.776059][ T6230]  __se_sys_mount+0x2d5/0x3c0
[  248.780767][ T6230]  ? __x64_sys_mount+0xc0/0xc0
[  248.785557][ T6230]  ? syscall_enter_from_user_mode+0x2e/0x240
[  248.791567][ T6230]  ? lockdep_hardirqs_on+0x94/0x130
[  248.796790][ T6230]  ? __x64_sys_mount+0x1c/0xc0
[  248.801586][ T6230]  do_syscall_64+0x3b/0xb0
[  248.806037][ T6230]  ? clear_bhb_loop+0x15/0x70
[  248.810747][ T6230]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.816665][ T6230] RIP: 0033:0x7f4c5def390a
[  248.821189][ T6230] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.841013][ T6230] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.849466][ T6230] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  248.857545][ T6230] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  248.865753][ T6230] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  248.873756][ T6230] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.881757][ T6230] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  248.889777][ T6230]  </TASK>
[  248.893803][ T6230] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.907066][ T6230] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.033021][ T6233] loop2: detected capacity change from 0 to 32768
[  249.265570][ T6234] loop3: detected capacity change from 0 to 32768
[  249.358883][ T6233] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.366540][ T6233] CPU: 1 PID: 6233 Comm: syz.2.286 Not tainted 5.15.180-syzkaller #0
[  249.374641][ T6233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  249.384733][ T6233] Call Trace:
[  249.388035][ T6233]  <TASK>
[  249.391031][ T6233]  dump_stack_lvl+0x1e3/0x2d0
[  249.395743][ T6233]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  249.401407][ T6233]  ? panic+0x860/0x860
[  249.405499][ T6233]  ? sysfs_create_dir_ns+0x282/0x390
[  249.410912][ T6233]  sysfs_create_dir_ns+0x2c6/0x390
[  249.416122][ T6233]  ? sysfs_warn_dup+0xa0/0xa0
[  249.420940][ T6233]  ? do_raw_spin_unlock+0x137/0x8b0
[  249.426275][ T6233]  ? kobject_set_name_vargs+0xca/0x110
[  249.431769][ T6233]  kobject_add_internal+0x6e0/0xe00
[  249.437023][ T6233]  kobject_init_and_add+0x120/0x190
[  249.442305][ T6233]  ? lockdep_softirqs_off+0x420/0x420
[  249.447741][ T6233]  ? widen_string+0x3a/0x310
[  249.452412][ T6233]  ? kobject_add+0x210/0x210
[  249.457041][ T6233]  ? __init_swait_queue_head+0xaa/0x140
[  249.462628][ T6233]  gfs2_sys_fs_add+0x237/0x4a0
[  249.467432][ T6233]  ? gfs2_recover_set+0x240/0x240
[  249.472589][ T6233]  ? snprintf+0xd6/0x120
[  249.476864][ T6233]  ? vscnprintf+0x80/0x80
[  249.481227][ T6233]  ? read_word_at_a_time+0xe/0x20
[  249.486273][ T6233]  ? strscpy+0x89/0x220
[  249.490457][ T6233]  gfs2_fill_super+0x1299/0x2750
[  249.495541][ T6233]  ? gfs2_reconfigure+0xcf0/0xcf0
[  249.500715][ T6233]  ? ptr_to_hashval+0x60/0x60
[  249.505427][ T6233]  ? up_write+0x19d/0x580
[  249.509895][ T6233]  ? set_blocksize+0x1ec/0x370
[  249.514694][ T6233]  get_tree_bdev+0x3fe/0x620
[  249.519313][ T6233]  ? gfs2_reconfigure+0xcf0/0xcf0
[  249.524364][ T6233]  gfs2_get_tree+0x50/0x210
[  249.528979][ T6233]  ? bpf_lsm_capable+0x5/0x10
[  249.533681][ T6233]  vfs_get_tree+0x88/0x270
[  249.538119][ T6233]  do_new_mount+0x2ba/0xb40
[  249.542647][ T6233]  ? do_move_mount_old+0x160/0x160
[  249.547794][ T6233]  ? user_path_at_empty+0x12b/0x180
[  249.553059][ T6233]  __se_sys_mount+0x2d5/0x3c0
[  249.557785][ T6233]  ? __x64_sys_mount+0xc0/0xc0
[  249.562573][ T6233]  ? syscall_enter_from_user_mode+0x2e/0x240
[  249.568577][ T6233]  ? lockdep_hardirqs_on+0x94/0x130
[  249.573808][ T6233]  ? __x64_sys_mount+0x1c/0xc0
[  249.578685][ T6233]  do_syscall_64+0x3b/0xb0
[  249.583126][ T6233]  ? clear_bhb_loop+0x15/0x70
[  249.587825][ T6233]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.593750][ T6233] RIP: 0033:0x7f3711f4790a
[  249.598186][ T6233] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.611018][ T6236] loop4: detected capacity change from 0 to 32768
[  249.618092][ T6233] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.618128][ T6233] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  249.618144][ T6233] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  249.618161][ T6233] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  249.618176][ T6233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  249.618191][ T6233] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  249.673749][ T6233]  </TASK>
[  249.829160][ T6233] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.842533][ T6233] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.921354][ T6239] loop1: detected capacity change from 0 to 32768
[  249.960412][ T6234] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.968103][ T6234] CPU: 0 PID: 6234 Comm: syz.3.287 Not tainted 5.15.180-syzkaller #0
[  249.976197][ T6234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  249.986591][ T6234] Call Trace:
[  249.989898][ T6234]  <TASK>
[  249.992847][ T6234]  dump_stack_lvl+0x1e3/0x2d0
[  249.997558][ T6234]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  250.003223][ T6234]  ? panic+0x860/0x860
[  250.007323][ T6234]  ? sysfs_create_dir_ns+0x282/0x390
[  250.012654][ T6234]  sysfs_create_dir_ns+0x2c6/0x390
[  250.017808][ T6234]  ? sysfs_warn_dup+0xa0/0xa0
[  250.022519][ T6234]  ? do_raw_spin_unlock+0x137/0x8b0
[  250.027751][ T6234]  ? kobject_set_name_vargs+0xca/0x110
[  250.033385][ T6234]  kobject_add_internal+0x6e0/0xe00
[  250.038862][ T6234]  kobject_init_and_add+0x120/0x190
[  250.044339][ T6234]  ? lockdep_softirqs_off+0x420/0x420
[  250.049765][ T6234]  ? widen_string+0x3a/0x310
[  250.054926][ T6234]  ? kobject_add+0x210/0x210
[  250.059664][ T6234]  ? __init_swait_queue_head+0xaa/0x140
[  250.065262][ T6234]  gfs2_sys_fs_add+0x237/0x4a0
[  250.070284][ T6234]  ? gfs2_recover_set+0x240/0x240
[  250.075464][ T6234]  ? snprintf+0xd6/0x120
[  250.080838][ T6234]  ? vscnprintf+0x80/0x80
[  250.085301][ T6234]  ? read_word_at_a_time+0xe/0x20
[  250.090439][ T6234]  ? strscpy+0x89/0x220
[  250.095045][ T6234]  gfs2_fill_super+0x1299/0x2750
[  250.100156][ T6234]  ? gfs2_reconfigure+0xcf0/0xcf0
[  250.105208][ T6234]  ? ptr_to_hashval+0x60/0x60
[  250.109943][ T6234]  ? up_write+0x19d/0x580
[  250.114318][ T6234]  ? set_blocksize+0x1ec/0x370
[  250.119226][ T6234]  get_tree_bdev+0x3fe/0x620
[  250.123847][ T6234]  ? gfs2_reconfigure+0xcf0/0xcf0
[  250.128904][ T6234]  gfs2_get_tree+0x50/0x210
[  250.133552][ T6234]  ? bpf_lsm_capable+0x5/0x10
[  250.138349][ T6234]  vfs_get_tree+0x88/0x270
[  250.142883][ T6234]  do_new_mount+0x2ba/0xb40
[  250.147674][ T6234]  ? do_move_mount_old+0x160/0x160
[  250.153167][ T6234]  ? user_path_at_empty+0x12b/0x180
[  250.158414][ T6234]  __se_sys_mount+0x2d5/0x3c0
[  250.163127][ T6234]  ? __x64_sys_mount+0xc0/0xc0
[  250.167912][ T6234]  ? syscall_enter_from_user_mode+0x2e/0x240
[  250.173337][ T6240] loop5: detected capacity change from 0 to 32768
[  250.173922][ T6234]  ? lockdep_hardirqs_on+0x94/0x130
[  250.185651][ T6234]  ? __x64_sys_mount+0x1c/0xc0
[  250.190558][ T6234]  do_syscall_64+0x3b/0xb0
[  250.195079][ T6234]  ? clear_bhb_loop+0x15/0x70
[  250.199899][ T6234]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.205724][ T6236] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.205814][ T6234] RIP: 0033:0x7f91e97b190a
[  250.217670][ T6234] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.237376][ T6234] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.245892][ T6234] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  250.253872][ T6234] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  250.261944][ T6234] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  250.269927][ T6234] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.278083][ T6234] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  250.286095][ T6234]  </TASK>
[  250.289131][ T6236] CPU: 1 PID: 6236 Comm: syz.4.289 Not tainted 5.15.180-syzkaller #0
[  250.290704][ T6234] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.297317][ T6236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  250.297335][ T6236] Call Trace:
[  250.297343][ T6236]  <TASK>
[  250.297352][ T6236]  dump_stack_lvl+0x1e3/0x2d0
[  250.297386][ T6236]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  250.310736][ T6234] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.320742][ T6236]  ? panic+0x860/0x860
[  250.320779][ T6236]  ? sysfs_create_dir_ns+0x282/0x390
[  250.320811][ T6236]  sysfs_create_dir_ns+0x2c6/0x390
[  250.358728][ T6236]  ? sysfs_warn_dup+0xa0/0xa0
[  250.363449][ T6236]  ? do_raw_spin_unlock+0x137/0x8b0
[  250.367052][ T6239] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.368983][ T6236]  ? kobject_set_name_vargs+0xca/0x110
[  250.382119][ T6236]  kobject_add_internal+0x6e0/0xe00
[  250.387349][ T6236]  kobject_init_and_add+0x120/0x190
[  250.392566][ T6236]  ? lockdep_softirqs_off+0x420/0x420
[  250.397996][ T6236]  ? widen_string+0x3a/0x310
[  250.402629][ T6236]  ? kobject_add+0x210/0x210
[  250.407342][ T6236]  ? __init_swait_queue_head+0xaa/0x140
[  250.413082][ T6236]  gfs2_sys_fs_add+0x237/0x4a0
[  250.417891][ T6236]  ? gfs2_recover_set+0x240/0x240
[  250.422926][ T6236]  ? snprintf+0xd6/0x120
[  250.427195][ T6236]  ? vscnprintf+0x80/0x80
[  250.431546][ T6236]  ? read_word_at_a_time+0xe/0x20
[  250.436585][ T6236]  ? strscpy+0x89/0x220
[  250.440883][ T6236]  gfs2_fill_super+0x1299/0x2750
[  250.445882][ T6236]  ? gfs2_reconfigure+0xcf0/0xcf0
[  250.450927][ T6236]  ? ptr_to_hashval+0x60/0x60
[  250.455619][ T6236]  ? up_write+0x19d/0x580
[  250.460128][ T6236]  ? set_blocksize+0x1ec/0x370
[  250.465069][ T6236]  get_tree_bdev+0x3fe/0x620
[  250.469687][ T6236]  ? gfs2_reconfigure+0xcf0/0xcf0
[  250.474741][ T6236]  gfs2_get_tree+0x50/0x210
[  250.479277][ T6236]  ? bpf_lsm_capable+0x5/0x10
[  250.483991][ T6236]  vfs_get_tree+0x88/0x270
[  250.488436][ T6236]  do_new_mount+0x2ba/0xb40
[  250.493076][ T6236]  ? do_move_mount_old+0x160/0x160
[  250.498240][ T6236]  ? user_path_at_empty+0x12b/0x180
[  250.503466][ T6236]  __se_sys_mount+0x2d5/0x3c0
[  250.508174][ T6236]  ? __x64_sys_mount+0xc0/0xc0
[  250.513130][ T6236]  ? syscall_enter_from_user_mode+0x2e/0x240
[  250.519491][ T6236]  ? lockdep_hardirqs_on+0x94/0x130
[  250.524700][ T6236]  ? __x64_sys_mount+0x1c/0xc0
[  250.529472][ T6236]  do_syscall_64+0x3b/0xb0
[  250.533985][ T6236]  ? clear_bhb_loop+0x15/0x70
[  250.538668][ T6236]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.544567][ T6236] RIP: 0033:0x7f738f0d890a
[  250.549009][ T6236] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.568825][ T6236] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.577273][ T6236] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  250.585261][ T6236] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  250.593248][ T6236] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  250.601320][ T6236] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.609301][ T6236] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  250.617330][ T6236]  </TASK>
[  250.620379][ T6239] CPU: 0 PID: 6239 Comm: syz.1.290 Not tainted 5.15.180-syzkaller #0
[  250.620498][ T6236] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.628566][ T6239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  250.628584][ T6239] Call Trace:
[  250.628593][ T6239]  <TASK>
[  250.628603][ T6239]  dump_stack_lvl+0x1e3/0x2d0
[  250.641780][ T6236] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.651788][ T6239]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  250.651822][ T6239]  ? panic+0x860/0x860
[  250.679102][ T6239]  ? sysfs_create_dir_ns+0x282/0x390
[  250.684427][ T6239]  sysfs_create_dir_ns+0x2c6/0x390
[  250.687259][ T6240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.689595][ T6239]  ? sysfs_warn_dup+0xa0/0xa0
[  250.689633][ T6239]  ? do_raw_spin_unlock+0x137/0x8b0
[  250.689659][ T6239]  ? kobject_set_name_vargs+0xca/0x110
[  250.689688][ T6239]  kobject_add_internal+0x6e0/0xe00
[  250.689719][ T6239]  kobject_init_and_add+0x120/0x190
[  250.689742][ T6239]  ? lockdep_softirqs_off+0x420/0x420
[  250.689762][ T6239]  ? widen_string+0x3a/0x310
[  250.689790][ T6239]  ? kobject_add+0x210/0x210
[  250.689818][ T6239]  ? __init_swait_queue_head+0xaa/0x140
[  250.689846][ T6239]  gfs2_sys_fs_add+0x237/0x4a0
[  250.689872][ T6239]  ? gfs2_recover_set+0x240/0x240
[  250.689896][ T6239]  ? snprintf+0xd6/0x120
[  250.689927][ T6239]  ? vscnprintf+0x80/0x80
[  250.689968][ T6239]  ? read_word_at_a_time+0xe/0x20
[  250.689993][ T6239]  ? strscpy+0x89/0x220
[  250.690019][ T6239]  gfs2_fill_super+0x1299/0x2750
[  250.690063][ T6239]  ? gfs2_reconfigure+0xcf0/0xcf0
[  250.690086][ T6239]  ? ptr_to_hashval+0x60/0x60
[  250.690112][ T6239]  ? up_write+0x19d/0x580
[  250.690156][ T6239]  ? set_blocksize+0x1ec/0x370
[  250.796029][ T6239]  get_tree_bdev+0x3fe/0x620
[  250.800661][ T6239]  ? gfs2_reconfigure+0xcf0/0xcf0
[  250.805769][ T6239]  gfs2_get_tree+0x50/0x210
[  250.810314][ T6239]  ? bpf_lsm_capable+0x5/0x10
[  250.815029][ T6239]  vfs_get_tree+0x88/0x270
[  250.819482][ T6239]  do_new_mount+0x2ba/0xb40
[  250.824039][ T6239]  ? do_move_mount_old+0x160/0x160
[  250.829177][ T6239]  ? user_path_at_empty+0x12b/0x180
[  250.834395][ T6239]  __se_sys_mount+0x2d5/0x3c0
[  250.839078][ T6239]  ? __x64_sys_mount+0xc0/0xc0
[  250.843950][ T6239]  ? syscall_enter_from_user_mode+0x2e/0x240
[  250.849988][ T6239]  ? lockdep_hardirqs_on+0x94/0x130
[  250.855201][ T6239]  ? __x64_sys_mount+0x1c/0xc0
[  250.859968][ T6239]  do_syscall_64+0x3b/0xb0
[  250.864384][ T6239]  ? clear_bhb_loop+0x15/0x70
[  250.869070][ T6239]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.874979][ T6239] RIP: 0033:0x7f4c5def390a
[  250.879390][ T6239] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.899346][ T6239] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.907769][ T6239] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  250.915833][ T6239] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  250.923918][ T6239] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  250.931891][ T6239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.939878][ T6239] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  250.947874][ T6239]  </TASK>
[  250.950999][ T6240] CPU: 1 PID: 6240 Comm: syz.5.288 Not tainted 5.15.180-syzkaller #0
[  250.952353][ T6239] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.959269][ T6240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  250.959293][ T6240] Call Trace:
[  250.959302][ T6240]  <TASK>
[  250.959312][ T6240]  dump_stack_lvl+0x1e3/0x2d0
[  250.959346][ T6240]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  250.959369][ T6240]  ? panic+0x860/0x860
[  250.959393][ T6240]  ? sysfs_create_dir_ns+0x282/0x390
[  250.959422][ T6240]  sysfs_create_dir_ns+0x2c6/0x390
[  250.959449][ T6240]  ? sysfs_warn_dup+0xa0/0xa0
[  250.959475][ T6240]  ? do_raw_spin_unlock+0x137/0x8b0
[  250.959501][ T6240]  ? kobject_set_name_vargs+0xca/0x110
[  250.959543][ T6240]  kobject_add_internal+0x6e0/0xe00
[  250.959573][ T6240]  kobject_init_and_add+0x120/0x190
[  250.959595][ T6240]  ? lockdep_softirqs_off+0x420/0x420
[  250.959613][ T6240]  ? widen_string+0x3a/0x310
[  250.959642][ T6240]  ? kobject_add+0x210/0x210
[  250.959670][ T6240]  ? __init_swait_queue_head+0xaa/0x140
[  250.959697][ T6240]  gfs2_sys_fs_add+0x237/0x4a0
[  250.959723][ T6240]  ? gfs2_recover_set+0x240/0x240
[  250.959746][ T6240]  ? snprintf+0xd6/0x120
[  250.959774][ T6240]  ? vscnprintf+0x80/0x80
[  250.959802][ T6240]  ? read_word_at_a_time+0xe/0x20
[  250.973164][ T6239] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.983345][ T6240]  ? strscpy+0x89/0x220
[  250.983387][ T6240]  gfs2_fill_super+0x1299/0x2750
[  250.983435][ T6240]  ? gfs2_reconfigure+0xcf0/0xcf0
[  251.105200][ T6240]  ? ptr_to_hashval+0x60/0x60
[  251.109978][ T6240]  ? up_write+0x19d/0x580
[  251.114368][ T6240]  ? set_blocksize+0x1ec/0x370
[  251.119162][ T6240]  get_tree_bdev+0x3fe/0x620
[  251.123767][ T6240]  ? gfs2_reconfigure+0xcf0/0xcf0
[  251.128794][ T6240]  gfs2_get_tree+0x50/0x210
[  251.133303][ T6240]  ? bpf_lsm_capable+0x5/0x10
[  251.138094][ T6240]  vfs_get_tree+0x88/0x270
[  251.142525][ T6240]  do_new_mount+0x2ba/0xb40
[  251.147046][ T6240]  ? do_move_mount_old+0x160/0x160
[  251.152174][ T6240]  ? user_path_at_empty+0x12b/0x180
[  251.157376][ T6240]  __se_sys_mount+0x2d5/0x3c0
[  251.162159][ T6240]  ? __x64_sys_mount+0xc0/0xc0
[  251.166922][ T6240]  ? syscall_enter_from_user_mode+0x2e/0x240
[  251.172906][ T6240]  ? lockdep_hardirqs_on+0x94/0x130
[  251.178116][ T6240]  ? __x64_sys_mount+0x1c/0xc0
[  251.182879][ T6240]  do_syscall_64+0x3b/0xb0
[  251.187291][ T6240]  ? clear_bhb_loop+0x15/0x70
[  251.191965][ T6240]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.197864][ T6240] RIP: 0033:0x7f6914f0490a
[  251.202288][ T6240] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.222153][ T6240] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.230582][ T6240] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  251.238734][ T6240] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  251.246711][ T6240] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  251.254869][ T6240] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  251.263068][ T6240] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  251.271163][ T6240]  </TASK>
[  251.275656][ T6240] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.289348][ T6240] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.840547][ T6244] loop4: detected capacity change from 0 to 32768
[  251.856073][ T6246] loop2: detected capacity change from 0 to 32768
[  251.992984][ T6244] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.001837][ T6244] CPU: 1 PID: 6244 Comm: syz.4.293 Not tainted 5.15.180-syzkaller #0
[  252.010020][ T6244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  252.020179][ T6244] Call Trace:
[  252.023474][ T6244]  <TASK>
[  252.026417][ T6244]  dump_stack_lvl+0x1e3/0x2d0
[  252.031125][ T6244]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  252.036993][ T6244]  ? panic+0x860/0x860
[  252.041380][ T6244]  ? sysfs_create_dir_ns+0x282/0x390
[  252.047322][ T6244]  sysfs_create_dir_ns+0x2c6/0x390
[  252.052667][ T6244]  ? sysfs_warn_dup+0xa0/0xa0
[  252.057672][ T6244]  ? do_raw_spin_unlock+0x137/0x8b0
[  252.063000][ T6244]  ? kobject_set_name_vargs+0xca/0x110
[  252.068857][ T6244]  kobject_add_internal+0x6e0/0xe00
[  252.074109][ T6244]  kobject_init_and_add+0x120/0x190
[  252.079623][ T6244]  ? lockdep_softirqs_off+0x420/0x420
[  252.085140][ T6244]  ? widen_string+0x3a/0x310
[  252.089785][ T6244]  ? kobject_add+0x210/0x210
[  252.094759][ T6244]  ? __init_swait_queue_head+0xaa/0x140
[  252.100374][ T6244]  gfs2_sys_fs_add+0x237/0x4a0
[  252.105186][ T6244]  ? gfs2_recover_set+0x240/0x240
[  252.110354][ T6244]  ? snprintf+0xd6/0x120
[  252.114779][ T6244]  ? vscnprintf+0x80/0x80
[  252.119164][ T6244]  ? read_word_at_a_time+0xe/0x20
[  252.124309][ T6244]  ? strscpy+0x89/0x220
[  252.128582][ T6244]  gfs2_fill_super+0x1299/0x2750
[  252.133766][ T6244]  ? gfs2_reconfigure+0xcf0/0xcf0
[  252.138830][ T6244]  ? ptr_to_hashval+0x60/0x60
[  252.143536][ T6244]  ? up_write+0x19d/0x580
[  252.147913][ T6244]  ? set_blocksize+0x1ec/0x370
[  252.152737][ T6244]  get_tree_bdev+0x3fe/0x620
[  252.157367][ T6244]  ? gfs2_reconfigure+0xcf0/0xcf0
[  252.162428][ T6244]  gfs2_get_tree+0x50/0x210
[  252.166950][ T6244]  ? bpf_lsm_capable+0x5/0x10
[  252.171831][ T6244]  vfs_get_tree+0x88/0x270
[  252.176272][ T6244]  do_new_mount+0x2ba/0xb40
[  252.180804][ T6244]  ? do_move_mount_old+0x160/0x160
[  252.185940][ T6244]  ? user_path_at_empty+0x12b/0x180
[  252.191160][ T6244]  __se_sys_mount+0x2d5/0x3c0
[  252.195898][ T6244]  ? __x64_sys_mount+0xc0/0xc0
[  252.200681][ T6244]  ? syscall_enter_from_user_mode+0x2e/0x240
[  252.206803][ T6244]  ? lockdep_hardirqs_on+0x94/0x130
[  252.209737][ T6245] loop3: detected capacity change from 0 to 32768
[  252.212039][ T6244]  ? __x64_sys_mount+0x1c/0xc0
[  252.223257][ T6244]  do_syscall_64+0x3b/0xb0
[  252.227718][ T6244]  ? clear_bhb_loop+0x15/0x70
[  252.228692][ T6246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.232423][ T6244]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.245953][ T6244] RIP: 0033:0x7f738f0d890a
[  252.250392][ T6244] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.270470][ T6244] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.278900][ T6244] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  252.287000][ T6244] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  252.294977][ T6244] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  252.302972][ T6244] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.311325][ T6244] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  252.319520][ T6244]  </TASK>
[  252.322551][ T6246] CPU: 0 PID: 6246 Comm: syz.2.291 Not tainted 5.15.180-syzkaller #0
[  252.322617][ T6244] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.330631][ T6246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  252.330648][ T6246] Call Trace:
[  252.330656][ T6246]  <TASK>
[  252.330665][ T6246]  dump_stack_lvl+0x1e3/0x2d0
[  252.343781][ T6244] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.354161][ T6246]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  252.354205][ T6246]  ? panic+0x860/0x860
[  252.381687][ T6246]  ? sysfs_create_dir_ns+0x282/0x390
[  252.387126][ T6246]  sysfs_create_dir_ns+0x2c6/0x390
[  252.392292][ T6246]  ? sysfs_warn_dup+0xa0/0xa0
[  252.397153][ T6246]  ? do_raw_spin_unlock+0x137/0x8b0
[  252.402400][ T6246]  ? kobject_set_name_vargs+0xca/0x110
[  252.407902][ T6246]  kobject_add_internal+0x6e0/0xe00
[  252.413326][ T6246]  kobject_init_and_add+0x120/0x190
[  252.418583][ T6246]  ? lockdep_softirqs_off+0x420/0x420
[  252.424028][ T6246]  ? widen_string+0x3a/0x310
[  252.428691][ T6246]  ? kobject_add+0x210/0x210
[  252.433506][ T6246]  ? __init_swait_queue_head+0xaa/0x140
[  252.439101][ T6246]  gfs2_sys_fs_add+0x237/0x4a0
[  252.444030][ T6246]  ? gfs2_recover_set+0x240/0x240
[  252.449105][ T6246]  ? snprintf+0xd6/0x120
[  252.453390][ T6246]  ? vscnprintf+0x80/0x80
[  252.457769][ T6246]  ? read_word_at_a_time+0xe/0x20
[  252.462883][ T6246]  ? strscpy+0x89/0x220
[  252.467070][ T6246]  gfs2_fill_super+0x1299/0x2750
[  252.472147][ T6246]  ? gfs2_reconfigure+0xcf0/0xcf0
[  252.477352][ T6246]  ? ptr_to_hashval+0x60/0x60
[  252.482066][ T6246]  ? up_write+0x19d/0x580
[  252.486489][ T6246]  ? set_blocksize+0x1ec/0x370
[  252.491291][ T6246]  get_tree_bdev+0x3fe/0x620
[  252.495921][ T6246]  ? gfs2_reconfigure+0xcf0/0xcf0
[  252.500991][ T6246]  gfs2_get_tree+0x50/0x210
[  252.505771][ T6246]  ? bpf_lsm_capable+0x5/0x10
[  252.510620][ T6246]  vfs_get_tree+0x88/0x270
[  252.515153][ T6246]  do_new_mount+0x2ba/0xb40
[  252.519700][ T6246]  ? do_move_mount_old+0x160/0x160
[  252.524944][ T6246]  ? user_path_at_empty+0x12b/0x180
[  252.530176][ T6246]  __se_sys_mount+0x2d5/0x3c0
[  252.534901][ T6246]  ? __x64_sys_mount+0xc0/0xc0
[  252.539710][ T6246]  ? syscall_enter_from_user_mode+0x2e/0x240
[  252.545732][ T6246]  ? lockdep_hardirqs_on+0x94/0x130
[  252.551002][ T6246]  ? __x64_sys_mount+0x1c/0xc0
[  252.556001][ T6246]  do_syscall_64+0x3b/0xb0
[  252.560466][ T6246]  ? clear_bhb_loop+0x15/0x70
[  252.565782][ T6246]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.571714][ T6246] RIP: 0033:0x7f3711f4790a
[  252.576171][ T6246] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.595806][ T6246] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.604269][ T6246] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  252.612273][ T6246] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  252.620298][ T6246] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  252.628299][ T6246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.636337][ T6246] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  252.644348][ T6246]  </TASK>
[  252.647573][ T6246] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.660830][ T6246] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.712857][ T6251] loop5: detected capacity change from 0 to 32768
[  252.719335][ T6245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.726917][ T6245] CPU: 0 PID: 6245 Comm: syz.3.292 Not tainted 5.15.180-syzkaller #0
[  252.735413][ T6245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  252.746136][ T6245] Call Trace:
[  252.749528][ T6245]  <TASK>
[  252.752490][ T6245]  dump_stack_lvl+0x1e3/0x2d0
[  252.757207][ T6245]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  252.762925][ T6245]  ? panic+0x860/0x860
[  252.767042][ T6245]  ? sysfs_create_dir_ns+0x282/0x390
[  252.772361][ T6245]  sysfs_create_dir_ns+0x2c6/0x390
[  252.777519][ T6245]  ? sysfs_warn_dup+0xa0/0xa0
[  252.782232][ T6245]  ? do_raw_spin_unlock+0x137/0x8b0
[  252.787621][ T6245]  ? kobject_set_name_vargs+0xca/0x110
[  252.793204][ T6245]  kobject_add_internal+0x6e0/0xe00
[  252.798458][ T6245]  kobject_init_and_add+0x120/0x190
[  252.804171][ T6245]  ? lockdep_softirqs_off+0x420/0x420
[  252.809665][ T6245]  ? widen_string+0x3a/0x310
[  252.814287][ T6245]  ? kobject_add+0x210/0x210
[  252.818909][ T6245]  ? __init_swait_queue_head+0xaa/0x140
[  252.824580][ T6245]  gfs2_sys_fs_add+0x237/0x4a0
[  252.829465][ T6245]  ? gfs2_recover_set+0x240/0x240
[  252.834523][ T6245]  ? snprintf+0xd6/0x120
[  252.838886][ T6245]  ? vscnprintf+0x80/0x80
[  252.843454][ T6245]  ? read_word_at_a_time+0xe/0x20
[  252.848537][ T6245]  ? strscpy+0x89/0x220
[  252.852740][ T6245]  gfs2_fill_super+0x1299/0x2750
[  252.857770][ T6245]  ? gfs2_reconfigure+0xcf0/0xcf0
[  252.862885][ T6245]  ? ptr_to_hashval+0x60/0x60
[  252.867603][ T6245]  ? up_write+0x19d/0x580
[  252.872020][ T6245]  ? set_blocksize+0x1ec/0x370
[  252.876834][ T6245]  get_tree_bdev+0x3fe/0x620
[  252.881671][ T6245]  ? gfs2_reconfigure+0xcf0/0xcf0
[  252.886750][ T6245]  gfs2_get_tree+0x50/0x210
[  252.891682][ T6245]  ? bpf_lsm_capable+0x5/0x10
[  252.896612][ T6245]  vfs_get_tree+0x88/0x270
[  252.901115][ T6245]  do_new_mount+0x2ba/0xb40
[  252.905761][ T6245]  ? do_move_mount_old+0x160/0x160
[  252.911092][ T6245]  ? user_path_at_empty+0x12b/0x180
[  252.916467][ T6245]  __se_sys_mount+0x2d5/0x3c0
[  252.921196][ T6245]  ? __x64_sys_mount+0xc0/0xc0
[  252.925996][ T6245]  ? syscall_enter_from_user_mode+0x2e/0x240
[  252.932363][ T6245]  ? lockdep_hardirqs_on+0x94/0x130
[  252.937690][ T6245]  ? __x64_sys_mount+0x1c/0xc0
[  252.942613][ T6245]  do_syscall_64+0x3b/0xb0
[  252.947161][ T6245]  ? clear_bhb_loop+0x15/0x70
[  252.951888][ T6245]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.957957][ T6245] RIP: 0033:0x7f91e97b190a
[  252.962497][ T6245] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.982280][ T6245] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.990826][ T6245] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  252.998846][ T6245] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  253.006865][ T6245] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  253.014880][ T6245] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  253.023353][ T6245] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  253.031603][ T6245]  </TASK>
[  253.036078][ T6245] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.050469][ T6245] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.087803][ T6251] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.095403][ T6251] CPU: 0 PID: 6251 Comm: syz.5.295 Not tainted 5.15.180-syzkaller #0
[  253.103582][ T6251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  253.113785][ T6251] Call Trace:
[  253.117093][ T6251]  <TASK>
[  253.120058][ T6251]  dump_stack_lvl+0x1e3/0x2d0
[  253.124781][ T6251]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  253.130455][ T6251]  ? panic+0x860/0x860
[  253.134559][ T6251]  ? sysfs_create_dir_ns+0x282/0x390
[  253.139931][ T6251]  sysfs_create_dir_ns+0x2c6/0x390
[  253.145180][ T6251]  ? sysfs_warn_dup+0xa0/0xa0
[  253.149895][ T6251]  ? do_raw_spin_unlock+0x137/0x8b0
[  253.155129][ T6251]  ? kobject_set_name_vargs+0xca/0x110
[  253.160626][ T6251]  kobject_add_internal+0x6e0/0xe00
[  253.165906][ T6251]  kobject_init_and_add+0x120/0x190
[  253.171570][ T6251]  ? lockdep_softirqs_off+0x420/0x420
[  253.177235][ T6251]  ? widen_string+0x3a/0x310
[  253.182065][ T6251]  ? kobject_add+0x210/0x210
[  253.186751][ T6251]  ? __init_swait_queue_head+0xaa/0x140
[  253.192423][ T6251]  gfs2_sys_fs_add+0x237/0x4a0
[  253.197230][ T6251]  ? gfs2_recover_set+0x240/0x240
[  253.202381][ T6251]  ? snprintf+0xd6/0x120
[  253.206753][ T6251]  ? vscnprintf+0x80/0x80
[  253.211122][ T6251]  ? read_word_at_a_time+0xe/0x20
[  253.216271][ T6251]  ? strscpy+0x89/0x220
[  253.220456][ T6251]  gfs2_fill_super+0x1299/0x2750
[  253.225449][ T6251]  ? gfs2_reconfigure+0xcf0/0xcf0
[  253.230498][ T6251]  ? ptr_to_hashval+0x60/0x60
[  253.232736][ T6249] loop1: detected capacity change from 0 to 32768
[  253.235199][ T6251]  ? up_write+0x19d/0x580
[  253.235248][ T6251]  ? set_blocksize+0x1ec/0x370
[  253.250777][ T6251]  get_tree_bdev+0x3fe/0x620
[  253.255431][ T6251]  ? gfs2_reconfigure+0xcf0/0xcf0
[  253.260487][ T6251]  gfs2_get_tree+0x50/0x210
[  253.265019][ T6251]  ? bpf_lsm_capable+0x5/0x10
[  253.269846][ T6251]  vfs_get_tree+0x88/0x270
[  253.274299][ T6251]  do_new_mount+0x2ba/0xb40
[  253.278850][ T6251]  ? do_move_mount_old+0x160/0x160
[  253.284104][ T6251]  ? user_path_at_empty+0x12b/0x180
[  253.289726][ T6251]  __se_sys_mount+0x2d5/0x3c0
[  253.294456][ T6251]  ? __x64_sys_mount+0xc0/0xc0
[  253.299270][ T6251]  ? syscall_enter_from_user_mode+0x2e/0x240
[  253.305495][ T6251]  ? lockdep_hardirqs_on+0x94/0x130
[  253.311025][ T6251]  ? __x64_sys_mount+0x1c/0xc0
[  253.316098][ T6251]  do_syscall_64+0x3b/0xb0
[  253.320552][ T6251]  ? clear_bhb_loop+0x15/0x70
[  253.325282][ T6251]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.331216][ T6251] RIP: 0033:0x7f6914f0490a
[  253.335754][ T6251] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  253.355482][ T6251] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.364019][ T6251] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  253.372093][ T6251] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  253.380084][ T6251] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  253.388212][ T6251] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  253.396201][ T6251] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  253.404218][ T6251]  </TASK>
[  253.408708][ T6251] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.422293][ T6251] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.563067][ T6253] loop4: detected capacity change from 0 to 32768
2025/04/13 18:32:09 executed programs: 291
[  253.889017][ T6255] loop2: detected capacity change from 0 to 32768
[  253.929055][ T6249] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.957067][ T6253] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.964480][ T6253] CPU: 1 PID: 6253 Comm: syz.4.296 Not tainted 5.15.180-syzkaller #0
[  253.972570][ T6253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  253.980306][ T6257] loop3: detected capacity change from 0 to 32768
[  253.982653][ T6253] Call Trace:
[  253.982665][ T6253]  <TASK>
[  253.995332][ T6253]  dump_stack_lvl+0x1e3/0x2d0
[  254.000056][ T6253]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  254.005709][ T6253]  ? panic+0x860/0x860
[  254.009798][ T6253]  ? sysfs_create_dir_ns+0x282/0x390
[  254.015111][ T6253]  sysfs_create_dir_ns+0x2c6/0x390
[  254.020347][ T6253]  ? sysfs_warn_dup+0xa0/0xa0
[  254.025064][ T6253]  ? do_raw_spin_unlock+0x137/0x8b0
[  254.030295][ T6253]  ? kobject_set_name_vargs+0xca/0x110
[  254.035934][ T6253]  kobject_add_internal+0x6e0/0xe00
[  254.041188][ T6253]  kobject_init_and_add+0x120/0x190
[  254.046416][ T6253]  ? lockdep_softirqs_off+0x420/0x420
[  254.051908][ T6253]  ? widen_string+0x3a/0x310
[  254.056531][ T6253]  ? kobject_add+0x210/0x210
[  254.061228][ T6253]  ? __init_swait_queue_head+0xaa/0x140
[  254.066813][ T6253]  gfs2_sys_fs_add+0x237/0x4a0
[  254.071607][ T6253]  ? gfs2_recover_set+0x240/0x240
[  254.076657][ T6253]  ? snprintf+0xd6/0x120
[  254.080936][ T6253]  ? vscnprintf+0x80/0x80
[  254.085295][ T6253]  ? read_word_at_a_time+0xe/0x20
[  254.090347][ T6253]  ? strscpy+0x89/0x220
[  254.094524][ T6253]  gfs2_fill_super+0x1299/0x2750
[  254.099507][ T6253]  ? gfs2_reconfigure+0xcf0/0xcf0
[  254.104558][ T6253]  ? ptr_to_hashval+0x60/0x60
[  254.109301][ T6253]  ? up_write+0x19d/0x580
[  254.113842][ T6253]  ? set_blocksize+0x1ec/0x370
[  254.118644][ T6253]  get_tree_bdev+0x3fe/0x620
[  254.123277][ T6253]  ? gfs2_reconfigure+0xcf0/0xcf0
[  254.128340][ T6253]  gfs2_get_tree+0x50/0x210
[  254.132879][ T6253]  ? bpf_lsm_capable+0x5/0x10
[  254.137704][ T6253]  vfs_get_tree+0x88/0x270
[  254.142240][ T6253]  do_new_mount+0x2ba/0xb40
[  254.146778][ T6253]  ? do_move_mount_old+0x160/0x160
[  254.151963][ T6253]  ? user_path_at_empty+0x12b/0x180
[  254.157179][ T6253]  __se_sys_mount+0x2d5/0x3c0
[  254.161885][ T6253]  ? __x64_sys_mount+0xc0/0xc0
[  254.166674][ T6253]  ? syscall_enter_from_user_mode+0x2e/0x240
[  254.172684][ T6253]  ? lockdep_hardirqs_on+0x94/0x130
[  254.177917][ T6253]  ? __x64_sys_mount+0x1c/0xc0
[  254.182787][ T6253]  do_syscall_64+0x3b/0xb0
[  254.187216][ T6253]  ? clear_bhb_loop+0x15/0x70
[  254.192187][ T6253]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.198159][ T6253] RIP: 0033:0x7f738f0d890a
[  254.202608][ T6253] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.222327][ T6253] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.230771][ T6253] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  254.238792][ T6253] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  254.246783][ T6253] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  254.254805][ T6253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.262890][ T6253] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  254.270892][ T6253]  </TASK>
[  254.274882][ T6255] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.274953][ T6253] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.282619][ T6255] CPU: 0 PID: 6255 Comm: syz.2.297 Not tainted 5.15.180-syzkaller #0
[  254.296063][ T6253] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.304047][ T6255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  254.320623][ T6255] Call Trace:
[  254.323941][ T6255]  <TASK>
[  254.326902][ T6255]  dump_stack_lvl+0x1e3/0x2d0
[  254.331735][ T6255]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  254.337476][ T6255]  ? panic+0x860/0x860
[  254.341572][ T6255]  ? sysfs_create_dir_ns+0x282/0x390
[  254.346901][ T6255]  sysfs_create_dir_ns+0x2c6/0x390
[  254.352069][ T6255]  ? sysfs_warn_dup+0xa0/0xa0
[  254.356817][ T6255]  ? do_raw_spin_unlock+0x137/0x8b0
[  254.362133][ T6255]  ? kobject_set_name_vargs+0xca/0x110
[  254.367715][ T6255]  kobject_add_internal+0x6e0/0xe00
[  254.372991][ T6255]  kobject_init_and_add+0x120/0x190
[  254.378217][ T6255]  ? lockdep_softirqs_off+0x420/0x420
[  254.383611][ T6255]  ? widen_string+0x3a/0x310
[  254.388230][ T6255]  ? kobject_add+0x210/0x210
[  254.392848][ T6255]  ? __init_swait_queue_head+0xaa/0x140
[  254.398417][ T6255]  gfs2_sys_fs_add+0x237/0x4a0
[  254.403196][ T6255]  ? gfs2_recover_set+0x240/0x240
[  254.408235][ T6255]  ? snprintf+0xd6/0x120
[  254.412488][ T6255]  ? vscnprintf+0x80/0x80
[  254.416915][ T6255]  ? read_word_at_a_time+0xe/0x20
[  254.421946][ T6255]  ? strscpy+0x89/0x220
[  254.426370][ T6255]  gfs2_fill_super+0x1299/0x2750
[  254.431334][ T6255]  ? gfs2_reconfigure+0xcf0/0xcf0
[  254.436365][ T6255]  ? ptr_to_hashval+0x60/0x60
[  254.441066][ T6255]  ? up_write+0x19d/0x580
[  254.445436][ T6255]  ? set_blocksize+0x1ec/0x370
[  254.450237][ T6255]  get_tree_bdev+0x3fe/0x620
[  254.454844][ T6255]  ? gfs2_reconfigure+0xcf0/0xcf0
[  254.459889][ T6255]  gfs2_get_tree+0x50/0x210
[  254.464414][ T6255]  ? bpf_lsm_capable+0x5/0x10
[  254.469125][ T6255]  vfs_get_tree+0x88/0x270
[  254.473575][ T6255]  do_new_mount+0x2ba/0xb40
[  254.478100][ T6255]  ? do_move_mount_old+0x160/0x160
[  254.483234][ T6255]  ? user_path_at_empty+0x12b/0x180
[  254.488617][ T6255]  __se_sys_mount+0x2d5/0x3c0
[  254.493328][ T6255]  ? __x64_sys_mount+0xc0/0xc0
[  254.498140][ T6255]  ? syscall_enter_from_user_mode+0x2e/0x240
[  254.504288][ T6255]  ? lockdep_hardirqs_on+0x94/0x130
[  254.509504][ T6255]  ? __x64_sys_mount+0x1c/0xc0
[  254.514373][ T6255]  do_syscall_64+0x3b/0xb0
[  254.518833][ T6255]  ? clear_bhb_loop+0x15/0x70
[  254.523614][ T6255]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.529526][ T6255] RIP: 0033:0x7f3711f4790a
[  254.533951][ T6255] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.553859][ T6255] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.562310][ T6255] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  254.570307][ T6255] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  254.578412][ T6255] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  254.586608][ T6255] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.594613][ T6255] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  254.602629][ T6255]  </TASK>
[  254.605669][ T6249] CPU: 1 PID: 6249 Comm: syz.1.294 Not tainted 5.15.180-syzkaller #0
[  254.605831][ T6255] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.613778][ T6249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  254.626923][ T6255] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.636918][ T6249] Call Trace:
[  254.636929][ T6249]  <TASK>
[  254.636939][ T6249]  dump_stack_lvl+0x1e3/0x2d0
[  254.654466][ T6249]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  254.660140][ T6249]  ? panic+0x860/0x860
[  254.663959][ T6257] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.664247][ T6249]  ? sysfs_create_dir_ns+0x282/0x390
[  254.676884][ T6249]  sysfs_create_dir_ns+0x2c6/0x390
[  254.682010][ T6249]  ? sysfs_warn_dup+0xa0/0xa0
[  254.686879][ T6249]  ? do_raw_spin_unlock+0x137/0x8b0
[  254.692098][ T6249]  ? kobject_set_name_vargs+0xca/0x110
[  254.697588][ T6249]  kobject_add_internal+0x6e0/0xe00
[  254.702845][ T6249]  kobject_init_and_add+0x120/0x190
[  254.708075][ T6249]  ? lockdep_softirqs_off+0x420/0x420
[  254.713762][ T6249]  ? widen_string+0x3a/0x310
[  254.718450][ T6249]  ? kobject_add+0x210/0x210
[  254.723274][ T6249]  ? __init_swait_queue_head+0xaa/0x140
[  254.728925][ T6249]  gfs2_sys_fs_add+0x237/0x4a0
[  254.733724][ T6249]  ? gfs2_recover_set+0x240/0x240
[  254.738882][ T6249]  ? snprintf+0xd6/0x120
[  254.743153][ T6249]  ? vscnprintf+0x80/0x80
[  254.747560][ T6249]  ? read_word_at_a_time+0xe/0x20
[  254.752721][ T6249]  ? strscpy+0x89/0x220
[  254.756997][ T6249]  gfs2_fill_super+0x1299/0x2750
[  254.762093][ T6249]  ? gfs2_reconfigure+0xcf0/0xcf0
[  254.767159][ T6249]  ? ptr_to_hashval+0x60/0x60
[  254.771875][ T6249]  ? up_write+0x19d/0x580
[  254.776247][ T6249]  ? set_blocksize+0x1ec/0x370
[  254.781054][ T6249]  get_tree_bdev+0x3fe/0x620
[  254.785667][ T6249]  ? gfs2_reconfigure+0xcf0/0xcf0
[  254.790726][ T6249]  gfs2_get_tree+0x50/0x210
[  254.795280][ T6249]  ? bpf_lsm_capable+0x5/0x10
[  254.799983][ T6249]  vfs_get_tree+0x88/0x270
[  254.804498][ T6249]  do_new_mount+0x2ba/0xb40
[  254.809096][ T6249]  ? do_move_mount_old+0x160/0x160
[  254.814238][ T6249]  ? user_path_at_empty+0x12b/0x180
[  254.819444][ T6249]  __se_sys_mount+0x2d5/0x3c0
[  254.824134][ T6249]  ? __x64_sys_mount+0xc0/0xc0
[  254.828908][ T6249]  ? syscall_enter_from_user_mode+0x2e/0x240
[  254.834896][ T6249]  ? lockdep_hardirqs_on+0x94/0x130
[  254.840215][ T6249]  ? __x64_sys_mount+0x1c/0xc0
[  254.845008][ T6249]  do_syscall_64+0x3b/0xb0
[  254.849435][ T6249]  ? clear_bhb_loop+0x15/0x70
[  254.854221][ T6249]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.860132][ T6249] RIP: 0033:0x7f4c5def390a
[  254.864566][ T6249] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.884458][ T6249] RSP: 002b:00007f4c5d141e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.893068][ T6249] RAX: ffffffffffffffda RBX: 00007f4c5d141ef0 RCX: 00007f4c5def390a
[  254.901236][ T6249] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d141eb0
[  254.909215][ T6249] RBP: 0000200000000400 R08: 00007f4c5d141ef0 R09: 0000000000000000
[  254.917197][ T6249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.925172][ T6249] R13: 00007f4c5d141eb0 R14: 00000000000125bb R15: 00002000000004c0
[  254.933181][ T6249]  </TASK>
[  254.936204][ T6257] CPU: 0 PID: 6257 Comm: syz.3.298 Not tainted 5.15.180-syzkaller #0
[  254.944529][ T6257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  254.954615][ T6257] Call Trace:
[  254.957918][ T6257]  <TASK>
[  254.960865][ T6257]  dump_stack_lvl+0x1e3/0x2d0
[  254.965602][ T6257]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  254.971261][ T6257]  ? panic+0x860/0x860
[  254.975355][ T6257]  ? sysfs_create_dir_ns+0x282/0x390
[  254.980665][ T6257]  sysfs_create_dir_ns+0x2c6/0x390
[  254.985893][ T6257]  ? sysfs_warn_dup+0xa0/0xa0
[  254.990596][ T6257]  ? do_raw_spin_unlock+0x137/0x8b0
[  254.995813][ T6257]  ? kobject_set_name_vargs+0xca/0x110
[  255.001299][ T6257]  kobject_add_internal+0x6e0/0xe00
[  255.006529][ T6257]  kobject_init_and_add+0x120/0x190
[  255.011746][ T6257]  ? lockdep_softirqs_off+0x420/0x420
[  255.017138][ T6257]  ? widen_string+0x3a/0x310
[  255.021757][ T6257]  ? kobject_add+0x210/0x210
[  255.026412][ T6257]  ? __init_swait_queue_head+0xaa/0x140
[  255.032020][ T6257]  gfs2_sys_fs_add+0x237/0x4a0
[  255.036812][ T6257]  ? gfs2_recover_set+0x240/0x240
[  255.041860][ T6257]  ? snprintf+0xd6/0x120
[  255.046155][ T6257]  ? vscnprintf+0x80/0x80
[  255.050615][ T6257]  ? read_word_at_a_time+0xe/0x20
[  255.055665][ T6257]  ? strscpy+0x89/0x220
[  255.059852][ T6257]  gfs2_fill_super+0x1299/0x2750
[  255.065089][ T6257]  ? gfs2_reconfigure+0xcf0/0xcf0
[  255.070146][ T6257]  ? ptr_to_hashval+0x60/0x60
[  255.074842][ T6257]  ? up_write+0x19d/0x580
[  255.079205][ T6257]  ? set_blocksize+0x1ec/0x370
[  255.083995][ T6257]  get_tree_bdev+0x3fe/0x620
[  255.088689][ T6257]  ? gfs2_reconfigure+0xcf0/0xcf0
[  255.093759][ T6257]  gfs2_get_tree+0x50/0x210
[  255.098298][ T6257]  ? bpf_lsm_capable+0x5/0x10
[  255.103002][ T6257]  vfs_get_tree+0x88/0x270
[  255.107442][ T6257]  do_new_mount+0x2ba/0xb40
[  255.111974][ T6257]  ? do_move_mount_old+0x160/0x160
[  255.117113][ T6257]  ? user_path_at_empty+0x12b/0x180
[  255.122338][ T6257]  __se_sys_mount+0x2d5/0x3c0
[  255.127050][ T6257]  ? __x64_sys_mount+0xc0/0xc0
[  255.131843][ T6257]  ? syscall_enter_from_user_mode+0x2e/0x240
[  255.137864][ T6257]  ? lockdep_hardirqs_on+0x94/0x130
[  255.143116][ T6257]  ? __x64_sys_mount+0x1c/0xc0
[  255.147923][ T6257]  do_syscall_64+0x3b/0xb0
[  255.152462][ T6257]  ? clear_bhb_loop+0x15/0x70
[  255.157172][ T6257]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.163096][ T6257] RIP: 0033:0x7f91e97b190a
[  255.167568][ T6257] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.187200][ T6257] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.195747][ T6257] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  255.204003][ T6257] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  255.211995][ T6257] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  255.219989][ T6257] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.228065][ T6257] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  255.236076][ T6257]  </TASK>
[  255.239168][ T6257] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.252445][ T6257] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.267594][ T6249] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.270057][ T6259] loop5: detected capacity change from 0 to 32768
[  255.280917][ T6249] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.365110][ T6259] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.372600][ T6259] CPU: 0 PID: 6259 Comm: syz.5.299 Not tainted 5.15.180-syzkaller #0
[  255.380686][ T6259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  255.390767][ T6259] Call Trace:
[  255.394062][ T6259]  <TASK>
[  255.397005][ T6259]  dump_stack_lvl+0x1e3/0x2d0
[  255.401799][ T6259]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  255.407552][ T6259]  ? panic+0x860/0x860
[  255.411665][ T6259]  ? sysfs_create_dir_ns+0x282/0x390
[  255.416994][ T6259]  sysfs_create_dir_ns+0x2c6/0x390
[  255.422148][ T6259]  ? sysfs_warn_dup+0xa0/0xa0
[  255.426863][ T6259]  ? do_raw_spin_unlock+0x137/0x8b0
[  255.432180][ T6259]  ? kobject_set_name_vargs+0xca/0x110
[  255.437761][ T6259]  kobject_add_internal+0x6e0/0xe00
[  255.443081][ T6259]  kobject_init_and_add+0x120/0x190
[  255.448397][ T6259]  ? lockdep_softirqs_off+0x420/0x420
[  255.453817][ T6259]  ? widen_string+0x3a/0x310
[  255.458449][ T6259]  ? kobject_add+0x210/0x210
[  255.463076][ T6259]  ? __init_swait_queue_head+0xaa/0x140
[  255.468746][ T6259]  gfs2_sys_fs_add+0x237/0x4a0
[  255.473581][ T6259]  ? gfs2_recover_set+0x240/0x240
[  255.478684][ T6259]  ? snprintf+0xd6/0x120
[  255.482965][ T6259]  ? vscnprintf+0x80/0x80
[  255.487419][ T6259]  ? read_word_at_a_time+0xe/0x20
[  255.492514][ T6259]  ? strscpy+0x89/0x220
[  255.497939][ T6259]  gfs2_fill_super+0x1299/0x2750
[  255.503059][ T6259]  ? gfs2_reconfigure+0xcf0/0xcf0
[  255.508218][ T6259]  ? ptr_to_hashval+0x60/0x60
[  255.513087][ T6259]  ? up_write+0x19d/0x580
[  255.517474][ T6259]  ? set_blocksize+0x1ec/0x370
[  255.522321][ T6259]  get_tree_bdev+0x3fe/0x620
[  255.526975][ T6259]  ? gfs2_reconfigure+0xcf0/0xcf0
[  255.532053][ T6259]  gfs2_get_tree+0x50/0x210
[  255.536605][ T6259]  ? bpf_lsm_capable+0x5/0x10
[  255.541425][ T6259]  vfs_get_tree+0x88/0x270
[  255.545874][ T6259]  do_new_mount+0x2ba/0xb40
[  255.550503][ T6259]  ? do_move_mount_old+0x160/0x160
[  255.555736][ T6259]  ? user_path_at_empty+0x12b/0x180
[  255.561134][ T6259]  __se_sys_mount+0x2d5/0x3c0
[  255.565938][ T6259]  ? __x64_sys_mount+0xc0/0xc0
[  255.570722][ T6259]  ? syscall_enter_from_user_mode+0x2e/0x240
[  255.576718][ T6259]  ? lockdep_hardirqs_on+0x94/0x130
[  255.581939][ T6259]  ? __x64_sys_mount+0x1c/0xc0
[  255.586720][ T6259]  do_syscall_64+0x3b/0xb0
[  255.591586][ T6259]  ? clear_bhb_loop+0x15/0x70
[  255.596314][ T6259]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.602250][ T6259] RIP: 0033:0x7f6914f0490a
[  255.606719][ T6259] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.626516][ T6259] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.634968][ T6259] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  255.643268][ T6259] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  255.651272][ T6259] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  255.659305][ T6259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.667303][ T6259] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  255.675321][ T6259]  </TASK>
[  255.679822][ T6259] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.697763][ T6259] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.783077][ T6261] loop4: detected capacity change from 0 to 32768
[  255.825890][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[  255.832216][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[  255.848172][ T6261] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.855797][ T6261] CPU: 1 PID: 6261 Comm: syz.4.301 Not tainted 5.15.180-syzkaller #0
[  255.863888][ T6261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  255.873970][ T6261] Call Trace:
[  255.877270][ T6261]  <TASK>
[  255.880222][ T6261]  dump_stack_lvl+0x1e3/0x2d0
[  255.884936][ T6261]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  255.890592][ T6261]  ? panic+0x860/0x860
[  255.894686][ T6261]  ? sysfs_create_dir_ns+0x282/0x390
[  255.900004][ T6261]  sysfs_create_dir_ns+0x2c6/0x390
[  255.905139][ T6261]  ? sysfs_warn_dup+0xa0/0xa0
[  255.909833][ T6261]  ? do_raw_spin_unlock+0x137/0x8b0
[  255.915055][ T6261]  ? kobject_set_name_vargs+0xca/0x110
[  255.920548][ T6261]  kobject_add_internal+0x6e0/0xe00
[  255.925782][ T6261]  kobject_init_and_add+0x120/0x190
[  255.930994][ T6261]  ? lockdep_softirqs_off+0x420/0x420
[  255.936417][ T6261]  ? widen_string+0x3a/0x310
[  255.941039][ T6261]  ? kobject_add+0x210/0x210
[  255.945827][ T6261]  ? __init_swait_queue_head+0xaa/0x140
[  255.951394][ T6261]  gfs2_sys_fs_add+0x237/0x4a0
[  255.956178][ T6261]  ? gfs2_recover_set+0x240/0x240
[  255.961307][ T6261]  ? snprintf+0xd6/0x120
[  255.965582][ T6261]  ? vscnprintf+0x80/0x80
[  255.969933][ T6261]  ? read_word_at_a_time+0xe/0x20
[  255.974984][ T6261]  ? strscpy+0x89/0x220
[  255.979164][ T6261]  gfs2_fill_super+0x1299/0x2750
[  255.984143][ T6261]  ? gfs2_reconfigure+0xcf0/0xcf0
[  255.989187][ T6261]  ? ptr_to_hashval+0x60/0x60
[  255.993887][ T6261]  ? up_write+0x19d/0x580
[  255.998361][ T6261]  ? set_blocksize+0x1ec/0x370
[  256.003255][ T6261]  get_tree_bdev+0x3fe/0x620
[  256.007895][ T6261]  ? gfs2_reconfigure+0xcf0/0xcf0
[  256.013047][ T6261]  gfs2_get_tree+0x50/0x210
[  256.017710][ T6261]  ? bpf_lsm_capable+0x5/0x10
[  256.022417][ T6261]  vfs_get_tree+0x88/0x270
[  256.026950][ T6261]  do_new_mount+0x2ba/0xb40
[  256.031524][ T6261]  ? do_move_mount_old+0x160/0x160
[  256.036815][ T6261]  ? user_path_at_empty+0x12b/0x180
[  256.042149][ T6261]  __se_sys_mount+0x2d5/0x3c0
[  256.046871][ T6261]  ? __x64_sys_mount+0xc0/0xc0
[  256.051811][ T6261]  ? syscall_enter_from_user_mode+0x2e/0x240
[  256.057835][ T6261]  ? lockdep_hardirqs_on+0x94/0x130
[  256.063076][ T6261]  ? __x64_sys_mount+0x1c/0xc0
[  256.067874][ T6261]  do_syscall_64+0x3b/0xb0
[  256.072322][ T6261]  ? clear_bhb_loop+0x15/0x70
[  256.077032][ T6261]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.082953][ T6261] RIP: 0033:0x7f738f0d890a
[  256.087432][ T6261] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.107081][ T6261] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.115655][ T6261] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  256.123659][ T6261] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  256.131668][ T6261] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  256.139669][ T6261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.147663][ T6261] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  256.155670][ T6261]  </TASK>
[  256.159698][ T6261] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.173070][ T6261] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.344060][ T6263] loop2: detected capacity change from 0 to 32768
[  256.652597][ T6265] loop1: detected capacity change from 0 to 32768
[  256.690653][ T6267] loop5: detected capacity change from 0 to 32768
[  256.779566][ T6263] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.787481][ T6263] CPU: 1 PID: 6263 Comm: syz.2.302 Not tainted 5.15.180-syzkaller #0
[  256.795679][ T6263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  256.805847][ T6263] Call Trace:
[  256.809230][ T6263]  <TASK>
[  256.812354][ T6263]  dump_stack_lvl+0x1e3/0x2d0
[  256.817420][ T6263]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  256.823331][ T6263]  ? panic+0x860/0x860
[  256.827532][ T6263]  ? sysfs_create_dir_ns+0x282/0x390
[  256.832970][ T6263]  sysfs_create_dir_ns+0x2c6/0x390
[  256.838199][ T6263]  ? sysfs_warn_dup+0xa0/0xa0
[  256.843006][ T6263]  ? do_raw_spin_unlock+0x137/0x8b0
[  256.848222][ T6263]  ? kobject_set_name_vargs+0xca/0x110
[  256.853716][ T6263]  kobject_add_internal+0x6e0/0xe00
[  256.858936][ T6263]  kobject_init_and_add+0x120/0x190
[  256.864430][ T6263]  ? lockdep_softirqs_off+0x420/0x420
[  256.869838][ T6263]  ? widen_string+0x3a/0x310
[  256.874556][ T6263]  ? kobject_add+0x210/0x210
[  256.879183][ T6263]  ? __init_swait_queue_head+0xaa/0x140
[  256.884778][ T6263]  gfs2_sys_fs_add+0x237/0x4a0
[  256.889575][ T6263]  ? gfs2_recover_set+0x240/0x240
[  256.894733][ T6263]  ? snprintf+0xd6/0x120
[  256.899014][ T6263]  ? vscnprintf+0x80/0x80
[  256.903463][ T6263]  ? read_word_at_a_time+0xe/0x20
[  256.908512][ T6263]  ? strscpy+0x89/0x220
[  256.912693][ T6263]  gfs2_fill_super+0x1299/0x2750
[  256.917763][ T6263]  ? gfs2_reconfigure+0xcf0/0xcf0
[  256.922822][ T6263]  ? ptr_to_hashval+0x60/0x60
[  256.927562][ T6263]  ? up_write+0x19d/0x580
[  256.931951][ T6263]  ? set_blocksize+0x1ec/0x370
[  256.936750][ T6263]  get_tree_bdev+0x3fe/0x620
[  256.941383][ T6263]  ? gfs2_reconfigure+0xcf0/0xcf0
[  256.946536][ T6263]  gfs2_get_tree+0x50/0x210
[  256.951067][ T6263]  ? bpf_lsm_capable+0x5/0x10
[  256.955855][ T6263]  vfs_get_tree+0x88/0x270
[  256.960416][ T6263]  do_new_mount+0x2ba/0xb40
[  256.965046][ T6263]  ? do_move_mount_old+0x160/0x160
[  256.970188][ T6263]  ? user_path_at_empty+0x12b/0x180
[  256.975415][ T6263]  __se_sys_mount+0x2d5/0x3c0
[  256.980120][ T6263]  ? __x64_sys_mount+0xc0/0xc0
[  256.984950][ T6263]  ? syscall_enter_from_user_mode+0x2e/0x240
[  256.990950][ T6263]  ? lockdep_hardirqs_on+0x94/0x130
[  256.996188][ T6263]  ? __x64_sys_mount+0x1c/0xc0
[  257.000987][ T6263]  do_syscall_64+0x3b/0xb0
[  257.005601][ T6263]  ? clear_bhb_loop+0x15/0x70
[  257.010371][ T6263]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.016292][ T6263] RIP: 0033:0x7f3711f4790a
[  257.020731][ T6263] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.040356][ T6263] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.048801][ T6263] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  257.048854][ T6269] loop3: detected capacity change from 0 to 32768
[  257.057317][ T6263] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  257.057336][ T6263] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  257.057351][ T6263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  257.057366][ T6263] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  257.057397][ T6263]  </TASK>
[  257.078178][ T6267] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.081865][ T6263] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.087877][ T6267] CPU: 0 PID: 6267 Comm: syz.5.303 Not tainted 5.15.180-syzkaller #0
[  257.095869][ T6263] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.098862][ T6267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  257.106651][ T6265] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.119532][ T6267] Call Trace:
[  257.119548][ T6267]  <TASK>
[  257.119558][ T6267]  dump_stack_lvl+0x1e3/0x2d0
[  257.119592][ T6267]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  257.168245][ T6267]  ? panic+0x860/0x860
[  257.172333][ T6267]  ? sysfs_create_dir_ns+0x282/0x390
[  257.177649][ T6267]  sysfs_create_dir_ns+0x2c6/0x390
[  257.182797][ T6267]  ? sysfs_warn_dup+0xa0/0xa0
[  257.187531][ T6267]  ? do_raw_spin_unlock+0x137/0x8b0
[  257.192757][ T6267]  ? kobject_set_name_vargs+0xca/0x110
[  257.198232][ T6267]  kobject_add_internal+0x6e0/0xe00
[  257.203469][ T6267]  kobject_init_and_add+0x120/0x190
[  257.208832][ T6267]  ? lockdep_softirqs_off+0x420/0x420
[  257.214334][ T6267]  ? widen_string+0x3a/0x310
[  257.218941][ T6267]  ? kobject_add+0x210/0x210
[  257.223545][ T6267]  ? __init_swait_queue_head+0xaa/0x140
[  257.229101][ T6267]  gfs2_sys_fs_add+0x237/0x4a0
[  257.233882][ T6267]  ? gfs2_recover_set+0x240/0x240
[  257.238915][ T6267]  ? snprintf+0xd6/0x120
[  257.243166][ T6267]  ? vscnprintf+0x80/0x80
[  257.247606][ T6267]  ? read_word_at_a_time+0xe/0x20
[  257.252635][ T6267]  ? strscpy+0x89/0x220
[  257.256796][ T6267]  gfs2_fill_super+0x1299/0x2750
[  257.261763][ T6267]  ? gfs2_reconfigure+0xcf0/0xcf0
[  257.266787][ T6267]  ? ptr_to_hashval+0x60/0x60
[  257.271499][ T6267]  ? up_write+0x19d/0x580
[  257.275878][ T6267]  ? set_blocksize+0x1ec/0x370
[  257.280778][ T6267]  get_tree_bdev+0x3fe/0x620
[  257.285372][ T6267]  ? gfs2_reconfigure+0xcf0/0xcf0
[  257.290405][ T6267]  gfs2_get_tree+0x50/0x210
[  257.294919][ T6267]  ? bpf_lsm_capable+0x5/0x10
[  257.299607][ T6267]  vfs_get_tree+0x88/0x270
[  257.304114][ T6267]  do_new_mount+0x2ba/0xb40
[  257.308711][ T6267]  ? do_move_mount_old+0x160/0x160
[  257.313829][ T6267]  ? user_path_at_empty+0x12b/0x180
[  257.319052][ T6267]  __se_sys_mount+0x2d5/0x3c0
[  257.323738][ T6267]  ? __x64_sys_mount+0xc0/0xc0
[  257.328504][ T6267]  ? syscall_enter_from_user_mode+0x2e/0x240
[  257.334486][ T6267]  ? lockdep_hardirqs_on+0x94/0x130
[  257.339690][ T6267]  ? __x64_sys_mount+0x1c/0xc0
[  257.344563][ T6267]  do_syscall_64+0x3b/0xb0
[  257.349097][ T6267]  ? clear_bhb_loop+0x15/0x70
[  257.353782][ T6267]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.359682][ T6267] RIP: 0033:0x7f6914f0490a
[  257.364102][ T6267] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.383707][ T6267] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.392131][ T6267] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  257.400196][ T6267] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  257.408174][ T6267] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  257.416145][ T6267] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  257.424120][ T6267] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  257.432120][ T6267]  </TASK>
[  257.435160][ T6265] CPU: 1 PID: 6265 Comm: syz.1.300 Not tainted 5.15.180-syzkaller #0
[  257.436949][ T6267] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.443251][ T6265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  257.457691][ T6267] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.466691][ T6265] Call Trace:
[  257.466702][ T6265]  <TASK>
[  257.466711][ T6265]  dump_stack_lvl+0x1e3/0x2d0
[  257.466745][ T6265]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  257.466770][ T6265]  ? panic+0x860/0x860
[  257.466795][ T6265]  ? sysfs_create_dir_ns+0x282/0x390
[  257.484409][ T6269] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.489812][ T6265]  sysfs_create_dir_ns+0x2c6/0x390
[  257.489850][ T6265]  ? sysfs_warn_dup+0xa0/0xa0
[  257.489875][ T6265]  ? do_raw_spin_unlock+0x137/0x8b0
[  257.521714][ T6265]  ? kobject_set_name_vargs+0xca/0x110
[  257.527278][ T6265]  kobject_add_internal+0x6e0/0xe00
[  257.532494][ T6265]  kobject_init_and_add+0x120/0x190
[  257.537696][ T6265]  ? lockdep_softirqs_off+0x420/0x420
[  257.543256][ T6265]  ? widen_string+0x3a/0x310
[  257.547901][ T6265]  ? kobject_add+0x210/0x210
[  257.552502][ T6265]  ? __init_swait_queue_head+0xaa/0x140
[  257.558062][ T6265]  gfs2_sys_fs_add+0x237/0x4a0
[  257.562848][ T6265]  ? gfs2_recover_set+0x240/0x240
[  257.567877][ T6265]  ? snprintf+0xd6/0x120
[  257.572152][ T6265]  ? vscnprintf+0x80/0x80
[  257.576586][ T6265]  ? read_word_at_a_time+0xe/0x20
[  257.581702][ T6265]  ? strscpy+0x89/0x220
[  257.585864][ T6265]  gfs2_fill_super+0x1299/0x2750
[  257.590824][ T6265]  ? gfs2_reconfigure+0xcf0/0xcf0
[  257.595852][ T6265]  ? ptr_to_hashval+0x60/0x60
[  257.600536][ T6265]  ? up_write+0x19d/0x580
[  257.604902][ T6265]  ? set_blocksize+0x1ec/0x370
[  257.609680][ T6265]  get_tree_bdev+0x3fe/0x620
[  257.614275][ T6265]  ? gfs2_reconfigure+0xcf0/0xcf0
[  257.619317][ T6265]  gfs2_get_tree+0x50/0x210
[  257.623930][ T6265]  ? bpf_lsm_capable+0x5/0x10
[  257.628618][ T6265]  vfs_get_tree+0x88/0x270
[  257.633064][ T6265]  do_new_mount+0x2ba/0xb40
[  257.637575][ T6265]  ? do_move_mount_old+0x160/0x160
[  257.642718][ T6265]  ? user_path_at_empty+0x12b/0x180
[  257.647923][ T6265]  __se_sys_mount+0x2d5/0x3c0
[  257.652609][ T6265]  ? __x64_sys_mount+0xc0/0xc0
[  257.657377][ T6265]  ? syscall_enter_from_user_mode+0x2e/0x240
[  257.663379][ T6265]  ? lockdep_hardirqs_on+0x94/0x130
[  257.668583][ T6265]  ? __x64_sys_mount+0x1c/0xc0
[  257.673348][ T6265]  do_syscall_64+0x3b/0xb0
[  257.677784][ T6265]  ? clear_bhb_loop+0x15/0x70
[  257.682461][ T6265]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.688353][ T6265] RIP: 0033:0x7f4c5def390a
[  257.692859][ T6265] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.712553][ T6265] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.721059][ T6265] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  257.729120][ T6265] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  257.737360][ T6265] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  257.745349][ T6265] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  257.753323][ T6265] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  257.761402][ T6265]  </TASK>
[  257.764457][ T6269] CPU: 0 PID: 6269 Comm: syz.3.304 Not tainted 5.15.180-syzkaller #0
[  257.772560][ T6269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  257.782644][ T6269] Call Trace:
[  257.785951][ T6269]  <TASK>
[  257.788902][ T6269]  dump_stack_lvl+0x1e3/0x2d0
[  257.793702][ T6269]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  257.799369][ T6269]  ? panic+0x860/0x860
[  257.803584][ T6269]  ? sysfs_create_dir_ns+0x282/0x390
[  257.808911][ T6269]  sysfs_create_dir_ns+0x2c6/0x390
[  257.814058][ T6269]  ? sysfs_warn_dup+0xa0/0xa0
[  257.818762][ T6269]  ? do_raw_spin_unlock+0x137/0x8b0
[  257.824000][ T6269]  ? kobject_set_name_vargs+0xca/0x110
[  257.829491][ T6269]  kobject_add_internal+0x6e0/0xe00
[  257.834725][ T6269]  kobject_init_and_add+0x120/0x190
[  257.840139][ T6269]  ? lockdep_softirqs_off+0x420/0x420
[  257.845538][ T6269]  ? widen_string+0x3a/0x310
[  257.850164][ T6269]  ? kobject_add+0x210/0x210
[  257.854811][ T6269]  ? __init_swait_queue_head+0xaa/0x140
[  257.860385][ T6269]  gfs2_sys_fs_add+0x237/0x4a0
[  257.865211][ T6269]  ? gfs2_recover_set+0x240/0x240
[  257.870244][ T6269]  ? snprintf+0xd6/0x120
[  257.874494][ T6269]  ? vscnprintf+0x80/0x80
[  257.878831][ T6269]  ? read_word_at_a_time+0xe/0x20
[  257.883875][ T6269]  ? strscpy+0x89/0x220
[  257.888219][ T6269]  gfs2_fill_super+0x1299/0x2750
[  257.893175][ T6269]  ? gfs2_reconfigure+0xcf0/0xcf0
[  257.898572][ T6269]  ? ptr_to_hashval+0x60/0x60
[  257.903248][ T6269]  ? up_write+0x19d/0x580
[  257.907601][ T6269]  ? set_blocksize+0x1ec/0x370
[  257.912401][ T6269]  get_tree_bdev+0x3fe/0x620
[  257.917029][ T6269]  ? gfs2_reconfigure+0xcf0/0xcf0
[  257.922688][ T6269]  gfs2_get_tree+0x50/0x210
[  257.927189][ T6269]  ? bpf_lsm_capable+0x5/0x10
[  257.931867][ T6269]  vfs_get_tree+0x88/0x270
[  257.936643][ T6269]  do_new_mount+0x2ba/0xb40
[  257.941248][ T6269]  ? do_move_mount_old+0x160/0x160
[  257.946370][ T6269]  ? user_path_at_empty+0x12b/0x180
[  257.951584][ T6269]  __se_sys_mount+0x2d5/0x3c0
[  257.956350][ T6269]  ? __x64_sys_mount+0xc0/0xc0
[  257.961187][ T6269]  ? syscall_enter_from_user_mode+0x2e/0x240
[  257.967236][ T6269]  ? lockdep_hardirqs_on+0x94/0x130
[  257.972649][ T6269]  ? __x64_sys_mount+0x1c/0xc0
[  257.977450][ T6269]  do_syscall_64+0x3b/0xb0
[  257.981870][ T6269]  ? clear_bhb_loop+0x15/0x70
[  257.986554][ T6269]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.992456][ T6269] RIP: 0033:0x7f91e97b190a
[  257.996889][ T6269] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.016792][ T6269] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.025305][ T6269] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  258.033350][ T6269] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  258.041489][ T6269] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  258.049499][ T6269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.057607][ T6269] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  258.065661][ T6269]  </TASK>
[  258.068833][ T6265] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.069973][ T6269] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.082205][ T6265] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.101883][ T6269] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.379311][ T6271] loop4: detected capacity change from 0 to 32768
[  258.440259][ T6271] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.448269][ T6271] CPU: 1 PID: 6271 Comm: syz.4.305 Not tainted 5.15.180-syzkaller #0
[  258.456461][ T6271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  258.466543][ T6271] Call Trace:
[  258.469839][ T6271]  <TASK>
[  258.472780][ T6271]  dump_stack_lvl+0x1e3/0x2d0
[  258.477495][ T6271]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  258.483164][ T6271]  ? panic+0x860/0x860
[  258.487285][ T6271]  ? sysfs_create_dir_ns+0x282/0x390
[  258.492614][ T6271]  sysfs_create_dir_ns+0x2c6/0x390
[  258.497779][ T6271]  ? sysfs_warn_dup+0xa0/0xa0
[  258.502495][ T6271]  ? do_raw_spin_unlock+0x137/0x8b0
[  258.507727][ T6271]  ? kobject_set_name_vargs+0xca/0x110
[  258.513228][ T6271]  kobject_add_internal+0x6e0/0xe00
[  258.518471][ T6271]  kobject_init_and_add+0x120/0x190
[  258.523704][ T6271]  ? lockdep_softirqs_off+0x420/0x420
[  258.529114][ T6271]  ? widen_string+0x3a/0x310
[  258.533749][ T6271]  ? kobject_add+0x210/0x210
[  258.538397][ T6271]  ? __init_swait_queue_head+0xaa/0x140
[  258.544066][ T6271]  gfs2_sys_fs_add+0x237/0x4a0
[  258.548870][ T6271]  ? gfs2_recover_set+0x240/0x240
[  258.553924][ T6271]  ? snprintf+0xd6/0x120
[  258.558292][ T6271]  ? vscnprintf+0x80/0x80
[  258.562658][ T6271]  ? read_word_at_a_time+0xe/0x20
[  258.567712][ T6271]  ? strscpy+0x89/0x220
[  258.571905][ T6271]  gfs2_fill_super+0x1299/0x2750
[  258.576900][ T6271]  ? gfs2_reconfigure+0xcf0/0xcf0
[  258.581967][ T6271]  ? ptr_to_hashval+0x60/0x60
[  258.586680][ T6271]  ? up_write+0x19d/0x580
[  258.591058][ T6271]  ? set_blocksize+0x1ec/0x370
[  258.595981][ T6271]  get_tree_bdev+0x3fe/0x620
[  258.600794][ T6271]  ? gfs2_reconfigure+0xcf0/0xcf0
[  258.605852][ T6271]  gfs2_get_tree+0x50/0x210
[  258.610386][ T6271]  ? bpf_lsm_capable+0x5/0x10
[  258.615097][ T6271]  vfs_get_tree+0x88/0x270
[  258.619553][ T6271]  do_new_mount+0x2ba/0xb40
[  258.624273][ T6271]  ? do_move_mount_old+0x160/0x160
[  258.629423][ T6271]  ? user_path_at_empty+0x12b/0x180
[  258.634689][ T6271]  __se_sys_mount+0x2d5/0x3c0
[  258.639407][ T6271]  ? __x64_sys_mount+0xc0/0xc0
[  258.644289][ T6271]  ? syscall_enter_from_user_mode+0x2e/0x240
[  258.650298][ T6271]  ? lockdep_hardirqs_on+0x94/0x130
[  258.655568][ T6271]  ? __x64_sys_mount+0x1c/0xc0
[  258.660380][ T6271]  do_syscall_64+0x3b/0xb0
[  258.664828][ T6271]  ? clear_bhb_loop+0x15/0x70
[  258.670348][ T6271]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.676329][ T6271] RIP: 0033:0x7f738f0d890a
[  258.680777][ T6271] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.700730][ T6271] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.709353][ T6271] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  258.717348][ T6271] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  258.725341][ T6271] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  258.733337][ T6271] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.741337][ T6271] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  258.749459][ T6271]  </TASK>
[  258.753364][ T6271] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.767207][ T6271] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.106401][ T6277] loop2: detected capacity change from 0 to 32768
[  259.108881][ T6276] loop3: detected capacity change from 0 to 32768
[  259.426578][ T6279] loop5: detected capacity change from 0 to 32768
[  259.454248][ T6278] loop1: detected capacity change from 0 to 32768
[  259.478354][ T6279] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.479422][ T6277] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.485899][ T6279] CPU: 1 PID: 6279 Comm: syz.5.308 Not tainted 5.15.180-syzkaller #0
[  259.485926][ T6279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  259.485938][ T6279] Call Trace:
[  259.485947][ T6279]  <TASK>
[  259.517720][ T6279]  dump_stack_lvl+0x1e3/0x2d0
[  259.522675][ T6279]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  259.528402][ T6279]  ? panic+0x860/0x860
[  259.532662][ T6279]  ? sysfs_create_dir_ns+0x282/0x390
[  259.537958][ T6279]  sysfs_create_dir_ns+0x2c6/0x390
[  259.543087][ T6279]  ? sysfs_warn_dup+0xa0/0xa0
[  259.547827][ T6279]  ? do_raw_spin_unlock+0x137/0x8b0
[  259.553034][ T6279]  ? kobject_set_name_vargs+0xca/0x110
[  259.558500][ T6279]  kobject_add_internal+0x6e0/0xe00
[  259.563711][ T6279]  kobject_init_and_add+0x120/0x190
[  259.568910][ T6279]  ? lockdep_softirqs_off+0x420/0x420
[  259.574369][ T6279]  ? widen_string+0x3a/0x310
[  259.578993][ T6279]  ? kobject_add+0x210/0x210
[  259.583620][ T6279]  ? __init_swait_queue_head+0xaa/0x140
[  259.589175][ T6279]  gfs2_sys_fs_add+0x237/0x4a0
[  259.593950][ T6279]  ? gfs2_recover_set+0x240/0x240
[  259.598997][ T6279]  ? snprintf+0xd6/0x120
[  259.603262][ T6279]  ? vscnprintf+0x80/0x80
[  259.607802][ T6279]  ? read_word_at_a_time+0xe/0x20
[  259.612836][ T6279]  ? strscpy+0x89/0x220
[  259.617014][ T6279]  gfs2_fill_super+0x1299/0x2750
[  259.621975][ T6279]  ? gfs2_reconfigure+0xcf0/0xcf0
[  259.627037][ T6279]  ? ptr_to_hashval+0x60/0x60
[  259.631720][ T6279]  ? up_write+0x19d/0x580
[  259.636075][ T6279]  ? set_blocksize+0x1ec/0x370
[  259.640860][ T6279]  get_tree_bdev+0x3fe/0x620
[  259.645477][ T6279]  ? gfs2_reconfigure+0xcf0/0xcf0
[  259.650531][ T6279]  gfs2_get_tree+0x50/0x210
[  259.655040][ T6279]  ? bpf_lsm_capable+0x5/0x10
[  259.659886][ T6279]  vfs_get_tree+0x88/0x270
[  259.664344][ T6279]  do_new_mount+0x2ba/0xb40
[  259.668881][ T6279]  ? do_move_mount_old+0x160/0x160
[  259.674035][ T6279]  ? user_path_at_empty+0x12b/0x180
[  259.679248][ T6279]  __se_sys_mount+0x2d5/0x3c0
[  259.683974][ T6279]  ? __x64_sys_mount+0xc0/0xc0
[  259.688758][ T6279]  ? syscall_enter_from_user_mode+0x2e/0x240
[  259.694761][ T6279]  ? lockdep_hardirqs_on+0x94/0x130
[  259.699994][ T6279]  ? __x64_sys_mount+0x1c/0xc0
[  259.704786][ T6279]  do_syscall_64+0x3b/0xb0
[  259.709312][ T6279]  ? clear_bhb_loop+0x15/0x70
[  259.714015][ T6279]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.719915][ T6279] RIP: 0033:0x7f6914f0490a
[  259.724442][ T6279] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  259.744075][ T6279] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.752499][ T6279] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  259.760577][ T6279] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  259.768568][ T6279] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  259.776659][ T6279] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.784752][ T6279] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  259.792750][ T6279]  </TASK>
[  259.795799][ T6277] CPU: 0 PID: 6277 Comm: syz.2.306 Not tainted 5.15.180-syzkaller #0
[  259.796751][ T6279] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.803891][ T6277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  259.803908][ T6277] Call Trace:
[  259.803992][ T6277]  <TASK>
[  259.804009][ T6277]  dump_stack_lvl+0x1e3/0x2d0
[  259.804045][ T6277]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  259.804071][ T6277]  ? panic+0x860/0x860
[  259.804097][ T6277]  ? sysfs_create_dir_ns+0x282/0x390
[  259.804128][ T6277]  sysfs_create_dir_ns+0x2c6/0x390
[  259.804157][ T6277]  ? sysfs_warn_dup+0xa0/0xa0
[  259.804183][ T6277]  ? do_raw_spin_unlock+0x137/0x8b0
[  259.804210][ T6277]  ? kobject_set_name_vargs+0xca/0x110
[  259.804239][ T6277]  kobject_add_internal+0x6e0/0xe00
[  259.804271][ T6277]  kobject_init_and_add+0x120/0x190
[  259.804294][ T6277]  ? lockdep_softirqs_off+0x420/0x420
[  259.804316][ T6277]  ? widen_string+0x3a/0x310
[  259.804344][ T6277]  ? kobject_add+0x210/0x210
[  259.804372][ T6277]  ? __init_swait_queue_head+0xaa/0x140
[  259.804399][ T6277]  gfs2_sys_fs_add+0x237/0x4a0
[  259.804424][ T6277]  ? gfs2_recover_set+0x240/0x240
[  259.804448][ T6277]  ? snprintf+0xd6/0x120
[  259.804477][ T6277]  ? vscnprintf+0x80/0x80
[  259.817744][ T6279] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.827857][ T6277]  ? read_word_at_a_time+0xe/0x20
[  259.827891][ T6277]  ? strscpy+0x89/0x220
[  259.939387][ T6277]  gfs2_fill_super+0x1299/0x2750
[  259.944520][ T6277]  ? gfs2_reconfigure+0xcf0/0xcf0
[  259.949589][ T6277]  ? ptr_to_hashval+0x60/0x60
[  259.954277][ T6277]  ? up_write+0x19d/0x580
[  259.958644][ T6277]  ? set_blocksize+0x1ec/0x370
[  259.963437][ T6277]  get_tree_bdev+0x3fe/0x620
[  259.968032][ T6277]  ? gfs2_reconfigure+0xcf0/0xcf0
[  259.973111][ T6277]  gfs2_get_tree+0x50/0x210
[  259.977714][ T6277]  ? bpf_lsm_capable+0x5/0x10
[  259.982497][ T6277]  vfs_get_tree+0x88/0x270
[  259.986961][ T6277]  do_new_mount+0x2ba/0xb40
[  259.991489][ T6277]  ? do_move_mount_old+0x160/0x160
[  259.996690][ T6277]  ? user_path_at_empty+0x12b/0x180
[  260.001894][ T6277]  __se_sys_mount+0x2d5/0x3c0
[  260.006614][ T6277]  ? __x64_sys_mount+0xc0/0xc0
[  260.011405][ T6277]  ? syscall_enter_from_user_mode+0x2e/0x240
[  260.017413][ T6277]  ? lockdep_hardirqs_on+0x94/0x130
[  260.022652][ T6277]  ? __x64_sys_mount+0x1c/0xc0
[  260.027438][ T6277]  do_syscall_64+0x3b/0xb0
[  260.031852][ T6277]  ? clear_bhb_loop+0x15/0x70
[  260.036537][ T6277]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.042430][ T6277] RIP: 0033:0x7f3711f4790a
[  260.047030][ T6277] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  260.066911][ T6277] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.075438][ T6277] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  260.083416][ T6277] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  260.091388][ T6277] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  260.099360][ T6277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  260.107335][ T6277] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  260.115354][ T6277]  </TASK>
[  260.119480][ T6277] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.133362][ T6277] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.152324][ T6276] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.160253][ T6276] CPU: 0 PID: 6276 Comm: syz.3.307 Not tainted 5.15.180-syzkaller #0
[  260.168427][ T6276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  260.178501][ T6276] Call Trace:
[  260.181786][ T6276]  <TASK>
[  260.184820][ T6276]  dump_stack_lvl+0x1e3/0x2d0
[  260.189520][ T6276]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  260.195275][ T6276]  ? panic+0x860/0x860
[  260.199375][ T6276]  ? sysfs_create_dir_ns+0x282/0x390
[  260.204784][ T6276]  sysfs_create_dir_ns+0x2c6/0x390
[  260.205038][ T6278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.209919][ T6276]  ? sysfs_warn_dup+0xa0/0xa0
[  260.221963][ T6276]  ? do_raw_spin_unlock+0x137/0x8b0
[  260.227175][ T6276]  ? kobject_set_name_vargs+0xca/0x110
[  260.232641][ T6276]  kobject_add_internal+0x6e0/0xe00
[  260.237861][ T6276]  kobject_init_and_add+0x120/0x190
[  260.243061][ T6276]  ? lockdep_softirqs_off+0x420/0x420
[  260.248540][ T6276]  ? widen_string+0x3a/0x310
[  260.253157][ T6276]  ? kobject_add+0x210/0x210
[  260.257784][ T6276]  ? __init_swait_queue_head+0xaa/0x140
[  260.263442][ T6276]  gfs2_sys_fs_add+0x237/0x4a0
[  260.268493][ T6276]  ? gfs2_recover_set+0x240/0x240
[  260.273707][ T6276]  ? snprintf+0xd6/0x120
[  260.277961][ T6276]  ? vscnprintf+0x80/0x80
[  260.282301][ T6276]  ? read_word_at_a_time+0xe/0x20
[  260.287357][ T6276]  ? strscpy+0x89/0x220
[  260.291533][ T6276]  gfs2_fill_super+0x1299/0x2750
[  260.296600][ T6276]  ? gfs2_reconfigure+0xcf0/0xcf0
[  260.301715][ T6276]  ? ptr_to_hashval+0x60/0x60
[  260.306393][ T6276]  ? up_write+0x19d/0x580
[  260.310739][ T6276]  ? set_blocksize+0x1ec/0x370
[  260.315518][ T6276]  get_tree_bdev+0x3fe/0x620
[  260.320118][ T6276]  ? gfs2_reconfigure+0xcf0/0xcf0
[  260.325156][ T6276]  gfs2_get_tree+0x50/0x210
[  260.329682][ T6276]  ? bpf_lsm_capable+0x5/0x10
[  260.334393][ T6276]  vfs_get_tree+0x88/0x270
[  260.338838][ T6276]  do_new_mount+0x2ba/0xb40
[  260.343367][ T6276]  ? do_move_mount_old+0x160/0x160
[  260.348505][ T6276]  ? user_path_at_empty+0x12b/0x180
[  260.353718][ T6276]  __se_sys_mount+0x2d5/0x3c0
[  260.358403][ T6276]  ? __x64_sys_mount+0xc0/0xc0
[  260.363183][ T6276]  ? syscall_enter_from_user_mode+0x2e/0x240
[  260.369162][ T6276]  ? lockdep_hardirqs_on+0x94/0x130
[  260.374365][ T6276]  ? __x64_sys_mount+0x1c/0xc0
[  260.379135][ T6276]  do_syscall_64+0x3b/0xb0
[  260.383553][ T6276]  ? clear_bhb_loop+0x15/0x70
[  260.388228][ T6276]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.394144][ T6276] RIP: 0033:0x7f91e97b190a
[  260.398675][ T6276] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  260.418407][ T6276] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.426940][ T6276] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  260.434925][ T6276] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  260.443001][ T6276] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  260.450991][ T6276] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  260.458971][ T6276] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  260.466973][ T6276]  </TASK>
[  260.470014][ T6278] CPU: 1 PID: 6278 Comm: syz.1.309 Not tainted 5.15.180-syzkaller #0
[  260.471519][ T6276] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.478095][ T6278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  260.478111][ T6278] Call Trace:
[  260.478119][ T6278]  <TASK>
[  260.478127][ T6278]  dump_stack_lvl+0x1e3/0x2d0
[  260.478167][ T6278]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  260.491682][ T6276] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.501429][ T6278]  ? panic+0x860/0x860
[  260.501460][ T6278]  ? sysfs_create_dir_ns+0x282/0x390
[  260.534005][ T6278]  sysfs_create_dir_ns+0x2c6/0x390
[  260.539167][ T6278]  ? sysfs_warn_dup+0xa0/0xa0
[  260.543990][ T6278]  ? do_raw_spin_unlock+0x137/0x8b0
[  260.549219][ T6278]  ? kobject_set_name_vargs+0xca/0x110
[  260.554802][ T6278]  kobject_add_internal+0x6e0/0xe00
[  260.560049][ T6278]  kobject_init_and_add+0x120/0x190
[  260.565467][ T6278]  ? lockdep_softirqs_off+0x420/0x420
[  260.570876][ T6278]  ? widen_string+0x3a/0x310
[  260.575505][ T6278]  ? kobject_add+0x210/0x210
[  260.580129][ T6278]  ? __init_swait_queue_head+0xaa/0x140
[  260.585721][ T6278]  gfs2_sys_fs_add+0x237/0x4a0
[  260.590546][ T6278]  ? gfs2_recover_set+0x240/0x240
[  260.595597][ T6278]  ? snprintf+0xd6/0x120
[  260.599952][ T6278]  ? vscnprintf+0x80/0x80
[  260.604478][ T6278]  ? read_word_at_a_time+0xe/0x20
[  260.609615][ T6278]  ? strscpy+0x89/0x220
[  260.613927][ T6278]  gfs2_fill_super+0x1299/0x2750
[  260.619017][ T6278]  ? gfs2_reconfigure+0xcf0/0xcf0
[  260.624083][ T6278]  ? ptr_to_hashval+0x60/0x60
[  260.628897][ T6278]  ? up_write+0x19d/0x580
[  260.633271][ T6278]  ? set_blocksize+0x1ec/0x370
[  260.638070][ T6278]  get_tree_bdev+0x3fe/0x620
[  260.642686][ T6278]  ? gfs2_reconfigure+0xcf0/0xcf0
[  260.647748][ T6278]  gfs2_get_tree+0x50/0x210
[  260.652279][ T6278]  ? bpf_lsm_capable+0x5/0x10
[  260.657241][ T6278]  vfs_get_tree+0x88/0x270
[  260.661688][ T6278]  do_new_mount+0x2ba/0xb40
[  260.666305][ T6278]  ? do_move_mount_old+0x160/0x160
[  260.671446][ T6278]  ? user_path_at_empty+0x12b/0x180
[  260.676668][ T6278]  __se_sys_mount+0x2d5/0x3c0
[  260.681409][ T6278]  ? __x64_sys_mount+0xc0/0xc0
[  260.686196][ T6278]  ? syscall_enter_from_user_mode+0x2e/0x240
[  260.692287][ T6278]  ? lockdep_hardirqs_on+0x94/0x130
[  260.697503][ T6278]  ? __x64_sys_mount+0x1c/0xc0
[  260.702284][ T6278]  do_syscall_64+0x3b/0xb0
[  260.706710][ T6278]  ? clear_bhb_loop+0x15/0x70
[  260.711401][ T6278]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.717310][ T6278] RIP: 0033:0x7f4c5def390a
[  260.721747][ T6278] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  260.741385][ T6278] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.750097][ T6278] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  260.758108][ T6278] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  260.766118][ T6278] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  260.774135][ T6278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
2025/04/13 18:32:16 executed programs: 304
[  260.782138][ T6278] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  260.790155][ T6278]  </TASK>
[  260.794821][ T6278] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.810453][ T6278] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.892593][ T6281] loop4: detected capacity change from 0 to 32768
[  261.093975][ T6281] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.103189][ T6281] CPU: 1 PID: 6281 Comm: syz.4.310 Not tainted 5.15.180-syzkaller #0
[  261.111726][ T6281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  261.121888][ T6281] Call Trace:
[  261.125223][ T6281]  <TASK>
[  261.128201][ T6281]  dump_stack_lvl+0x1e3/0x2d0
[  261.132907][ T6281]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  261.138567][ T6281]  ? panic+0x860/0x860
[  261.142745][ T6281]  ? sysfs_create_dir_ns+0x282/0x390
[  261.148071][ T6281]  sysfs_create_dir_ns+0x2c6/0x390
[  261.153220][ T6281]  ? sysfs_warn_dup+0xa0/0xa0
[  261.157928][ T6281]  ? do_raw_spin_unlock+0x137/0x8b0
[  261.163164][ T6281]  ? kobject_set_name_vargs+0xca/0x110
[  261.168660][ T6281]  kobject_add_internal+0x6e0/0xe00
[  261.173899][ T6281]  kobject_init_and_add+0x120/0x190
[  261.179134][ T6281]  ? lockdep_softirqs_off+0x420/0x420
[  261.184532][ T6281]  ? widen_string+0x3a/0x310
[  261.189158][ T6281]  ? kobject_add+0x210/0x210
[  261.193784][ T6281]  ? __init_swait_queue_head+0xaa/0x140
[  261.199398][ T6281]  gfs2_sys_fs_add+0x237/0x4a0
[  261.204191][ T6281]  ? gfs2_recover_set+0x240/0x240
[  261.209240][ T6281]  ? snprintf+0xd6/0x120
[  261.213510][ T6281]  ? vscnprintf+0x80/0x80
[  261.217877][ T6281]  ? read_word_at_a_time+0xe/0x20
[  261.223015][ T6281]  ? strscpy+0x89/0x220
[  261.227207][ T6281]  gfs2_fill_super+0x1299/0x2750
[  261.232245][ T6281]  ? gfs2_reconfigure+0xcf0/0xcf0
[  261.237322][ T6281]  ? ptr_to_hashval+0x60/0x60
[  261.242030][ T6281]  ? up_write+0x19d/0x580
[  261.246408][ T6281]  ? set_blocksize+0x1ec/0x370
[  261.251209][ T6281]  get_tree_bdev+0x3fe/0x620
[  261.255857][ T6281]  ? gfs2_reconfigure+0xcf0/0xcf0
[  261.261036][ T6281]  gfs2_get_tree+0x50/0x210
[  261.265586][ T6281]  ? bpf_lsm_capable+0x5/0x10
[  261.270295][ T6281]  vfs_get_tree+0x88/0x270
[  261.274760][ T6281]  do_new_mount+0x2ba/0xb40
[  261.279335][ T6281]  ? do_move_mount_old+0x160/0x160
[  261.284661][ T6281]  ? user_path_at_empty+0x12b/0x180
[  261.289989][ T6281]  __se_sys_mount+0x2d5/0x3c0
[  261.294705][ T6281]  ? __x64_sys_mount+0xc0/0xc0
[  261.299499][ T6281]  ? syscall_enter_from_user_mode+0x2e/0x240
[  261.305504][ T6281]  ? lockdep_hardirqs_on+0x94/0x130
[  261.310735][ T6281]  ? __x64_sys_mount+0x1c/0xc0
[  261.315533][ T6281]  do_syscall_64+0x3b/0xb0
[  261.319971][ T6281]  ? clear_bhb_loop+0x15/0x70
[  261.324666][ T6281]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.330576][ T6281] RIP: 0033:0x7f738f0d890a
[  261.335013][ T6281] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  261.354901][ T6281] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.363377][ T6281] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  261.371472][ T6281] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  261.379564][ T6281] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  261.387669][ T6281] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  261.395664][ T6281] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  261.403675][ T6281]  </TASK>
[  261.406809][ T6281] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.420071][ T6281] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.596814][ T6289] loop2: detected capacity change from 0 to 32768
[  261.777999][ T6287] loop5: detected capacity change from 0 to 32768
[  261.948485][ T6290] loop1: detected capacity change from 0 to 32768
[  262.035704][ T6287] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.043128][ T6287] CPU: 0 PID: 6287 Comm: syz.5.312 Not tainted 5.15.180-syzkaller #0
[  262.051443][ T6287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  262.061529][ T6287] Call Trace:
[  262.064828][ T6287]  <TASK>
[  262.067780][ T6287]  dump_stack_lvl+0x1e3/0x2d0
[  262.072491][ T6287]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  262.078254][ T6287]  ? panic+0x860/0x860
[  262.082356][ T6287]  ? sysfs_create_dir_ns+0x282/0x390
[  262.087683][ T6287]  sysfs_create_dir_ns+0x2c6/0x390
[  262.093124][ T6287]  ? sysfs_warn_dup+0xa0/0xa0
[  262.097838][ T6287]  ? do_raw_spin_unlock+0x137/0x8b0
[  262.103166][ T6287]  ? kobject_set_name_vargs+0xca/0x110
[  262.108748][ T6287]  kobject_add_internal+0x6e0/0xe00
[  262.114082][ T6287]  kobject_init_and_add+0x120/0x190
[  262.119310][ T6287]  ? lockdep_softirqs_off+0x420/0x420
[  262.124710][ T6287]  ? widen_string+0x3a/0x310
[  262.129342][ T6287]  ? kobject_add+0x210/0x210
[  262.133965][ T6287]  ? __init_swait_queue_head+0xaa/0x140
[  262.139546][ T6287]  gfs2_sys_fs_add+0x237/0x4a0
[  262.144341][ T6287]  ? gfs2_recover_set+0x240/0x240
[  262.149400][ T6287]  ? snprintf+0xd6/0x120
[  262.153680][ T6287]  ? vscnprintf+0x80/0x80
[  262.158045][ T6287]  ? read_word_at_a_time+0xe/0x20
[  262.163153][ T6287]  ? strscpy+0x89/0x220
[  262.167368][ T6287]  gfs2_fill_super+0x1299/0x2750
[  262.172355][ T6287]  ? gfs2_reconfigure+0xcf0/0xcf0
[  262.177403][ T6287]  ? ptr_to_hashval+0x60/0x60
[  262.182105][ T6287]  ? up_write+0x19d/0x580
[  262.186562][ T6287]  ? set_blocksize+0x1ec/0x370
[  262.191357][ T6287]  get_tree_bdev+0x3fe/0x620
[  262.195979][ T6287]  ? gfs2_reconfigure+0xcf0/0xcf0
[  262.201031][ T6287]  gfs2_get_tree+0x50/0x210
[  262.205556][ T6287]  ? bpf_lsm_capable+0x5/0x10
[  262.210438][ T6287]  vfs_get_tree+0x88/0x270
[  262.214887][ T6287]  do_new_mount+0x2ba/0xb40
[  262.219510][ T6287]  ? do_move_mount_old+0x160/0x160
[  262.224646][ T6287]  ? user_path_at_empty+0x12b/0x180
[  262.229872][ T6287]  __se_sys_mount+0x2d5/0x3c0
[  262.234715][ T6287]  ? __x64_sys_mount+0xc0/0xc0
[  262.239508][ T6287]  ? syscall_enter_from_user_mode+0x2e/0x240
[  262.245513][ T6287]  ? lockdep_hardirqs_on+0x94/0x130
[  262.245794][ T6288] loop3: detected capacity change from 0 to 32768
[  262.250758][ T6287]  ? __x64_sys_mount+0x1c/0xc0
[  262.261932][ T6287]  do_syscall_64+0x3b/0xb0
[  262.266469][ T6287]  ? clear_bhb_loop+0x15/0x70
[  262.271358][ T6287]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.277282][ T6287] RIP: 0033:0x7f6914f0490a
[  262.281726][ T6287] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  262.301409][ T6287] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.309856][ T6287] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  262.317865][ T6287] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  262.325859][ T6287] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  262.333856][ T6287] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  262.341851][ T6287] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  262.350133][ T6287]  </TASK>
[  262.354624][ T6287] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.369035][ T6287] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.404934][ T6289] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.412384][ T6289] CPU: 0 PID: 6289 Comm: syz.2.311 Not tainted 5.15.180-syzkaller #0
[  262.420470][ T6289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  262.430546][ T6289] Call Trace:
[  262.433847][ T6289]  <TASK>
[  262.436881][ T6289]  dump_stack_lvl+0x1e3/0x2d0
[  262.441593][ T6289]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  262.447264][ T6289]  ? panic+0x860/0x860
[  262.451497][ T6289]  ? sysfs_create_dir_ns+0x282/0x390
[  262.456921][ T6289]  sysfs_create_dir_ns+0x2c6/0x390
[  262.462078][ T6289]  ? sysfs_warn_dup+0xa0/0xa0
[  262.466879][ T6289]  ? do_raw_spin_unlock+0x137/0x8b0
[  262.472218][ T6289]  ? kobject_set_name_vargs+0xca/0x110
[  262.477712][ T6289]  kobject_add_internal+0x6e0/0xe00
[  262.482964][ T6289]  kobject_init_and_add+0x120/0x190
[  262.488381][ T6289]  ? lockdep_softirqs_off+0x420/0x420
[  262.493913][ T6289]  ? widen_string+0x3a/0x310
[  262.498542][ T6289]  ? kobject_add+0x210/0x210
[  262.503191][ T6289]  ? __init_swait_queue_head+0xaa/0x140
[  262.508770][ T6289]  gfs2_sys_fs_add+0x237/0x4a0
[  262.513566][ T6289]  ? gfs2_recover_set+0x240/0x240
[  262.518790][ T6289]  ? snprintf+0xd6/0x120
[  262.523064][ T6289]  ? vscnprintf+0x80/0x80
[  262.527418][ T6289]  ? read_word_at_a_time+0xe/0x20
[  262.532557][ T6289]  ? strscpy+0x89/0x220
[  262.536744][ T6289]  gfs2_fill_super+0x1299/0x2750
[  262.541833][ T6289]  ? gfs2_reconfigure+0xcf0/0xcf0
[  262.547000][ T6289]  ? ptr_to_hashval+0x60/0x60
[  262.551751][ T6289]  ? up_write+0x19d/0x580
[  262.556220][ T6289]  ? set_blocksize+0x1ec/0x370
[  262.561103][ T6289]  get_tree_bdev+0x3fe/0x620
[  262.565724][ T6289]  ? gfs2_reconfigure+0xcf0/0xcf0
[  262.570769][ T6289]  gfs2_get_tree+0x50/0x210
[  262.575388][ T6289]  ? bpf_lsm_capable+0x5/0x10
[  262.580088][ T6289]  vfs_get_tree+0x88/0x270
[  262.584528][ T6289]  do_new_mount+0x2ba/0xb40
[  262.589053][ T6289]  ? do_move_mount_old+0x160/0x160
[  262.594228][ T6289]  ? user_path_at_empty+0x12b/0x180
[  262.597046][ T6292] loop4: detected capacity change from 0 to 32768
[  262.599469][ T6289]  __se_sys_mount+0x2d5/0x3c0
[  262.610576][ T6289]  ? __x64_sys_mount+0xc0/0xc0
[  262.615486][ T6289]  ? syscall_enter_from_user_mode+0x2e/0x240
[  262.615697][ T6290] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.621580][ T6289]  ? lockdep_hardirqs_on+0x94/0x130
[  262.621610][ T6289]  ? __x64_sys_mount+0x1c/0xc0
[  262.639021][ T6289]  do_syscall_64+0x3b/0xb0
[  262.643646][ T6289]  ? clear_bhb_loop+0x15/0x70
[  262.648361][ T6289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.654289][ T6289] RIP: 0033:0x7f3711f4790a
[  262.658719][ T6289] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  262.678332][ T6289] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.686858][ T6289] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  262.694837][ T6289] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  262.702839][ T6289] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  262.710912][ T6289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  262.718889][ T6289] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  262.726886][ T6289]  </TASK>
[  262.730015][ T6290] CPU: 1 PID: 6290 Comm: syz.1.314 Not tainted 5.15.180-syzkaller #0
[  262.730084][ T6289] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.738267][ T6290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  262.738282][ T6290] Call Trace:
[  262.738291][ T6290]  <TASK>
[  262.738300][ T6290]  dump_stack_lvl+0x1e3/0x2d0
[  262.751419][ T6289] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.761453][ T6290]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  262.761484][ T6290]  ? panic+0x860/0x860
[  262.788566][ T6290]  ? sysfs_create_dir_ns+0x282/0x390
[  262.793888][ T6290]  sysfs_create_dir_ns+0x2c6/0x390
[  262.799046][ T6290]  ? sysfs_warn_dup+0xa0/0xa0
[  262.803816][ T6290]  ? do_raw_spin_unlock+0x137/0x8b0
[  262.809039][ T6290]  ? kobject_set_name_vargs+0xca/0x110
[  262.814509][ T6290]  kobject_add_internal+0x6e0/0xe00
[  262.819838][ T6290]  kobject_init_and_add+0x120/0x190
[  262.825078][ T6290]  ? lockdep_softirqs_off+0x420/0x420
[  262.830480][ T6290]  ? widen_string+0x3a/0x310
[  262.835092][ T6290]  ? kobject_add+0x210/0x210
[  262.839710][ T6290]  ? __init_swait_queue_head+0xaa/0x140
[  262.845293][ T6290]  gfs2_sys_fs_add+0x237/0x4a0
[  262.850077][ T6290]  ? gfs2_recover_set+0x240/0x240
[  262.855112][ T6290]  ? snprintf+0xd6/0x120
[  262.859384][ T6290]  ? vscnprintf+0x80/0x80
[  262.863775][ T6290]  ? read_word_at_a_time+0xe/0x20
[  262.868822][ T6290]  ? strscpy+0x89/0x220
[  262.872994][ T6290]  gfs2_fill_super+0x1299/0x2750
[  262.877966][ T6290]  ? gfs2_reconfigure+0xcf0/0xcf0
[  262.883021][ T6290]  ? ptr_to_hashval+0x60/0x60
[  262.887712][ T6290]  ? up_write+0x19d/0x580
[  262.892090][ T6290]  ? set_blocksize+0x1ec/0x370
[  262.896885][ T6290]  get_tree_bdev+0x3fe/0x620
[  262.901511][ T6290]  ? gfs2_reconfigure+0xcf0/0xcf0
[  262.906556][ T6290]  gfs2_get_tree+0x50/0x210
[  262.911138][ T6290]  ? bpf_lsm_capable+0x5/0x10
[  262.915838][ T6290]  vfs_get_tree+0x88/0x270
[  262.920384][ T6290]  do_new_mount+0x2ba/0xb40
[  262.925048][ T6290]  ? do_move_mount_old+0x160/0x160
[  262.930197][ T6290]  ? user_path_at_empty+0x12b/0x180
[  262.935505][ T6290]  __se_sys_mount+0x2d5/0x3c0
[  262.940427][ T6290]  ? __x64_sys_mount+0xc0/0xc0
[  262.945217][ T6290]  ? syscall_enter_from_user_mode+0x2e/0x240
[  262.951367][ T6290]  ? lockdep_hardirqs_on+0x94/0x130
[  262.956586][ T6290]  ? __x64_sys_mount+0x1c/0xc0
[  262.961387][ T6290]  do_syscall_64+0x3b/0xb0
[  262.965899][ T6290]  ? clear_bhb_loop+0x15/0x70
[  262.970632][ T6290]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.976535][ T6290] RIP: 0033:0x7f4c5def390a
[  262.980978][ T6290] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  263.000609][ T6290] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.009060][ T6290] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  263.017042][ T6290] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  263.025166][ T6290] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  263.033155][ T6290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  263.041127][ T6290] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  263.049111][ T6290]  </TASK>
[  263.053229][ T6290] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.066569][ T6290] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.073623][ T4264] Bluetooth: hci5: command 0x0406 tx timeout
[  263.083382][ T6288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.092781][ T6288] CPU: 1 PID: 6288 Comm: syz.3.313 Not tainted 5.15.180-syzkaller #0
[  263.100894][ T6288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  263.111508][ T6288] Call Trace:
[  263.115068][ T6288]  <TASK>
[  263.118063][ T6288]  dump_stack_lvl+0x1e3/0x2d0
[  263.123062][ T6288]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  263.129054][ T6288]  ? panic+0x860/0x860
[  263.133175][ T6288]  ? sysfs_create_dir_ns+0x282/0x390
[  263.138594][ T6288]  sysfs_create_dir_ns+0x2c6/0x390
[  263.143746][ T6288]  ? sysfs_warn_dup+0xa0/0xa0
[  263.148446][ T6288]  ? do_raw_spin_unlock+0x137/0x8b0
[  263.153752][ T6288]  ? kobject_set_name_vargs+0xca/0x110
[  263.159247][ T6288]  kobject_add_internal+0x6e0/0xe00
[  263.164489][ T6288]  kobject_init_and_add+0x120/0x190
[  263.169761][ T6288]  ? lockdep_softirqs_off+0x420/0x420
[  263.175165][ T6288]  ? widen_string+0x3a/0x310
[  263.179918][ T6288]  ? kobject_add+0x210/0x210
[  263.184550][ T6288]  ? __init_swait_queue_head+0xaa/0x140
[  263.190164][ T6288]  gfs2_sys_fs_add+0x237/0x4a0
[  263.194965][ T6288]  ? gfs2_recover_set+0x240/0x240
[  263.200176][ T6288]  ? snprintf+0xd6/0x120
[  263.204456][ T6288]  ? vscnprintf+0x80/0x80
[  263.208818][ T6288]  ? read_word_at_a_time+0xe/0x20
[  263.213963][ T6288]  ? strscpy+0x89/0x220
[  263.218167][ T6288]  gfs2_fill_super+0x1299/0x2750
[  263.223513][ T6288]  ? gfs2_reconfigure+0xcf0/0xcf0
[  263.228797][ T6288]  ? ptr_to_hashval+0x60/0x60
[  263.233604][ T6288]  ? up_write+0x19d/0x580
[  263.238138][ T6288]  ? set_blocksize+0x1ec/0x370
[  263.243138][ T6288]  get_tree_bdev+0x3fe/0x620
[  263.248055][ T6288]  ? gfs2_reconfigure+0xcf0/0xcf0
[  263.253240][ T6288]  gfs2_get_tree+0x50/0x210
[  263.257795][ T6288]  ? bpf_lsm_capable+0x5/0x10
[  263.262632][ T6288]  vfs_get_tree+0x88/0x270
[  263.267091][ T6288]  do_new_mount+0x2ba/0xb40
[  263.271643][ T6288]  ? do_move_mount_old+0x160/0x160
[  263.276788][ T6288]  ? user_path_at_empty+0x12b/0x180
[  263.282020][ T6288]  __se_sys_mount+0x2d5/0x3c0
[  263.286739][ T6288]  ? __x64_sys_mount+0xc0/0xc0
[  263.291539][ T6288]  ? syscall_enter_from_user_mode+0x2e/0x240
[  263.297640][ T6288]  ? lockdep_hardirqs_on+0x94/0x130
[  263.302880][ T6288]  ? __x64_sys_mount+0x1c/0xc0
[  263.307762][ T6288]  do_syscall_64+0x3b/0xb0
[  263.312208][ T6288]  ? clear_bhb_loop+0x15/0x70
[  263.316914][ T6288]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.322835][ T6288] RIP: 0033:0x7f91e97b190a
[  263.327284][ T6288] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  263.347011][ T6288] RSP: 002b:00007f91e89ffe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.355463][ T6288] RAX: ffffffffffffffda RBX: 00007f91e89ffef0 RCX: 00007f91e97b190a
[  263.363460][ T6288] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e89ffeb0
[  263.371455][ T6288] RBP: 0000200000000400 R08: 00007f91e89ffef0 R09: 0000000000000000
[  263.379588][ T6288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  263.387580][ T6288] R13: 00007f91e89ffeb0 R14: 00000000000125bb R15: 00002000000004c0
[  263.395595][ T6288]  </TASK>
[  263.399597][ T6292] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.407141][ T6292] CPU: 1 PID: 6292 Comm: syz.4.315 Not tainted 5.15.180-syzkaller #0
[  263.415243][ T6292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  263.425333][ T6292] Call Trace:
[  263.428896][ T6292]  <TASK>
[  263.431841][ T6292]  dump_stack_lvl+0x1e3/0x2d0
[  263.436677][ T6292]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  263.442348][ T6292]  ? panic+0x860/0x860
[  263.446452][ T6292]  ? sysfs_create_dir_ns+0x282/0x390
[  263.451791][ T6292]  sysfs_create_dir_ns+0x2c6/0x390
[  263.456954][ T6292]  ? sysfs_warn_dup+0xa0/0xa0
[  263.461712][ T6292]  ? do_raw_spin_unlock+0x137/0x8b0
[  263.466959][ T6292]  ? kobject_set_name_vargs+0xca/0x110
[  263.472557][ T6292]  kobject_add_internal+0x6e0/0xe00
[  263.477912][ T6292]  kobject_init_and_add+0x120/0x190
[  263.483179][ T6292]  ? lockdep_softirqs_off+0x420/0x420
[  263.488585][ T6292]  ? widen_string+0x3a/0x310
[  263.493210][ T6292]  ? kobject_add+0x210/0x210
[  263.497836][ T6292]  ? __init_swait_queue_head+0xaa/0x140
[  263.503429][ T6292]  gfs2_sys_fs_add+0x237/0x4a0
[  263.508220][ T6292]  ? gfs2_recover_set+0x240/0x240
[  263.513356][ T6292]  ? snprintf+0xd6/0x120
[  263.517631][ T6292]  ? vscnprintf+0x80/0x80
[  263.521993][ T6292]  ? read_word_at_a_time+0xe/0x20
[  263.527326][ T6292]  ? strscpy+0x89/0x220
[  263.531504][ T6292]  gfs2_fill_super+0x1299/0x2750
[  263.536480][ T6292]  ? gfs2_reconfigure+0xcf0/0xcf0
[  263.541526][ T6292]  ? ptr_to_hashval+0x60/0x60
[  263.546348][ T6292]  ? up_write+0x19d/0x580
[  263.550719][ T6292]  ? set_blocksize+0x1ec/0x370
[  263.555514][ T6292]  get_tree_bdev+0x3fe/0x620
[  263.560133][ T6292]  ? gfs2_reconfigure+0xcf0/0xcf0
[  263.565261][ T6292]  gfs2_get_tree+0x50/0x210
[  263.569785][ T6292]  ? bpf_lsm_capable+0x5/0x10
[  263.574489][ T6292]  vfs_get_tree+0x88/0x270
[  263.578983][ T6292]  do_new_mount+0x2ba/0xb40
[  263.580900][ T6294] loop5: detected capacity change from 0 to 32768
[  263.583505][ T6292]  ? do_move_mount_old+0x160/0x160
[  263.595002][ T6288] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.595109][ T6292]  ? user_path_at_empty+0x12b/0x180
[  263.608631][ T6288] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.613478][ T6292]  __se_sys_mount+0x2d5/0x3c0
[  263.624666][ T6292]  ? __x64_sys_mount+0xc0/0xc0
[  263.629505][ T6292]  ? syscall_enter_from_user_mode+0x2e/0x240
[  263.635702][ T6292]  ? lockdep_hardirqs_on+0x94/0x130
[  263.640976][ T6292]  ? __x64_sys_mount+0x1c/0xc0
[  263.645778][ T6292]  do_syscall_64+0x3b/0xb0
[  263.650573][ T6292]  ? clear_bhb_loop+0x15/0x70
[  263.655282][ T6292]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.661206][ T6292] RIP: 0033:0x7f738f0d890a
[  263.665649][ T6292] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  263.685463][ T6292] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.693915][ T6292] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  263.702034][ T6292] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  263.710026][ T6292] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  263.718018][ T6292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  263.726006][ T6292] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  263.734018][ T6292]  </TASK>
[  263.737177][ T6292] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.750332][ T6292] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.780257][ T6294] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.787894][ T6294] CPU: 0 PID: 6294 Comm: syz.5.316 Not tainted 5.15.180-syzkaller #0
[  263.796079][ T6294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  263.806276][ T6294] Call Trace:
[  263.809583][ T6294]  <TASK>
[  263.812536][ T6294]  dump_stack_lvl+0x1e3/0x2d0
[  263.817258][ T6294]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  263.822915][ T6294]  ? panic+0x860/0x860
[  263.827012][ T6294]  ? sysfs_create_dir_ns+0x282/0x390
[  263.832545][ T6294]  sysfs_create_dir_ns+0x2c6/0x390
[  263.837696][ T6294]  ? sysfs_warn_dup+0xa0/0xa0
[  263.842400][ T6294]  ? do_raw_spin_unlock+0x137/0x8b0
[  263.847626][ T6294]  ? kobject_set_name_vargs+0xca/0x110
[  263.853203][ T6294]  kobject_add_internal+0x6e0/0xe00
[  263.858452][ T6294]  kobject_init_and_add+0x120/0x190
[  263.863708][ T6294]  ? lockdep_softirqs_off+0x420/0x420
[  263.869213][ T6294]  ? widen_string+0x3a/0x310
[  263.873843][ T6294]  ? kobject_add+0x210/0x210
[  263.878477][ T6294]  ? __init_swait_queue_head+0xaa/0x140
[  263.884122][ T6294]  gfs2_sys_fs_add+0x237/0x4a0
[  263.888913][ T6294]  ? gfs2_recover_set+0x240/0x240
[  263.893965][ T6294]  ? snprintf+0xd6/0x120
[  263.898324][ T6294]  ? vscnprintf+0x80/0x80
[  263.902703][ T6294]  ? read_word_at_a_time+0xe/0x20
[  263.907953][ T6294]  ? strscpy+0x89/0x220
[  263.912150][ T6294]  gfs2_fill_super+0x1299/0x2750
[  263.917138][ T6294]  ? gfs2_reconfigure+0xcf0/0xcf0
[  263.922300][ T6294]  ? ptr_to_hashval+0x60/0x60
[  263.927020][ T6294]  ? up_write+0x19d/0x580
[  263.931501][ T6294]  ? set_blocksize+0x1ec/0x370
[  263.936318][ T6294]  get_tree_bdev+0x3fe/0x620
[  263.940943][ T6294]  ? gfs2_reconfigure+0xcf0/0xcf0
[  263.945994][ T6294]  gfs2_get_tree+0x50/0x210
[  263.950543][ T6294]  ? bpf_lsm_capable+0x5/0x10
[  263.955336][ T6294]  vfs_get_tree+0x88/0x270
[  263.959810][ T6294]  do_new_mount+0x2ba/0xb40
[  263.964546][ T6294]  ? do_move_mount_old+0x160/0x160
[  263.969698][ T6294]  ? user_path_at_empty+0x12b/0x180
[  263.974937][ T6294]  __se_sys_mount+0x2d5/0x3c0
[  263.979650][ T6294]  ? __x64_sys_mount+0xc0/0xc0
[  263.984543][ T6294]  ? syscall_enter_from_user_mode+0x2e/0x240
[  263.990560][ T6294]  ? lockdep_hardirqs_on+0x94/0x130
[  263.995789][ T6294]  ? __x64_sys_mount+0x1c/0xc0
[  264.000603][ T6294]  do_syscall_64+0x3b/0xb0
[  264.005046][ T6294]  ? clear_bhb_loop+0x15/0x70
[  264.009747][ T6294]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.015750][ T6294] RIP: 0033:0x7f6914f0490a
[  264.020187][ T6294] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  264.040254][ T6294] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.048815][ T6294] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  264.056831][ T6294] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  264.064833][ T6294] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  264.072804][ T6294] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  264.080784][ T6294] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  264.088792][ T6294]  </TASK>
[  264.094428][ T6294] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.108679][ T6294] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.161954][ T6296] loop2: detected capacity change from 0 to 32768
[  264.280704][ T6296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.288249][ T6296] CPU: 1 PID: 6296 Comm: syz.2.317 Not tainted 5.15.180-syzkaller #0
[  264.296340][ T6296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  264.306425][ T6296] Call Trace:
[  264.309733][ T6296]  <TASK>
[  264.312685][ T6296]  dump_stack_lvl+0x1e3/0x2d0
[  264.317479][ T6296]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  264.323145][ T6296]  ? panic+0x860/0x860
[  264.327244][ T6296]  ? sysfs_create_dir_ns+0x282/0x390
[  264.332600][ T6296]  sysfs_create_dir_ns+0x2c6/0x390
[  264.337740][ T6296]  ? sysfs_warn_dup+0xa0/0xa0
[  264.342447][ T6296]  ? do_raw_spin_unlock+0x137/0x8b0
[  264.347677][ T6296]  ? kobject_set_name_vargs+0xca/0x110
[  264.353157][ T6296]  kobject_add_internal+0x6e0/0xe00
[  264.358381][ T6296]  kobject_init_and_add+0x120/0x190
[  264.363635][ T6296]  ? lockdep_softirqs_off+0x420/0x420
[  264.369101][ T6296]  ? widen_string+0x3a/0x310
[  264.373712][ T6296]  ? kobject_add+0x210/0x210
[  264.378322][ T6296]  ? __init_swait_queue_head+0xaa/0x140
[  264.383979][ T6296]  gfs2_sys_fs_add+0x237/0x4a0
[  264.388780][ T6296]  ? gfs2_recover_set+0x240/0x240
[  264.393836][ T6296]  ? snprintf+0xd6/0x120
[  264.398200][ T6296]  ? vscnprintf+0x80/0x80
[  264.402820][ T6296]  ? read_word_at_a_time+0xe/0x20
[  264.408002][ T6296]  ? strscpy+0x89/0x220
[  264.412185][ T6296]  gfs2_fill_super+0x1299/0x2750
[  264.417201][ T6296]  ? gfs2_reconfigure+0xcf0/0xcf0
[  264.422255][ T6296]  ? ptr_to_hashval+0x60/0x60
[  264.426960][ T6296]  ? up_write+0x19d/0x580
[  264.431331][ T6296]  ? set_blocksize+0x1ec/0x370
[  264.436230][ T6296]  get_tree_bdev+0x3fe/0x620
[  264.440844][ T6296]  ? gfs2_reconfigure+0xcf0/0xcf0
[  264.445897][ T6296]  gfs2_get_tree+0x50/0x210
[  264.450419][ T6296]  ? bpf_lsm_capable+0x5/0x10
[  264.455122][ T6296]  vfs_get_tree+0x88/0x270
[  264.459598][ T6296]  do_new_mount+0x2ba/0xb40
[  264.464155][ T6296]  ? do_move_mount_old+0x160/0x160
[  264.469397][ T6296]  ? user_path_at_empty+0x12b/0x180
[  264.474757][ T6296]  __se_sys_mount+0x2d5/0x3c0
[  264.479562][ T6296]  ? __x64_sys_mount+0xc0/0xc0
[  264.484363][ T6296]  ? syscall_enter_from_user_mode+0x2e/0x240
[  264.490455][ T6296]  ? lockdep_hardirqs_on+0x94/0x130
[  264.495680][ T6296]  ? __x64_sys_mount+0x1c/0xc0
[  264.500471][ T6296]  do_syscall_64+0x3b/0xb0
[  264.504909][ T6296]  ? clear_bhb_loop+0x15/0x70
[  264.509607][ T6296]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.515536][ T6296] RIP: 0033:0x7f3711f4790a
[  264.520143][ T6296] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  264.539775][ T6296] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.548217][ T6296] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  264.556209][ T6296] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  264.564250][ T6296] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  264.567704][ T6298] loop1: detected capacity change from 0 to 32768
[  264.572261][ T6296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  264.586658][ T6296] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  264.594727][ T6296]  </TASK>
[  264.597855][ T6296] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.611094][ T6296] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.736635][ T6298] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.744102][ T6298] CPU: 0 PID: 6298 Comm: syz.1.318 Not tainted 5.15.180-syzkaller #0
[  264.752450][ T6298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  264.762615][ T6298] Call Trace:
[  264.766173][ T6298]  <TASK>
[  264.769112][ T6298]  dump_stack_lvl+0x1e3/0x2d0
[  264.773815][ T6298]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  264.779514][ T6298]  ? panic+0x860/0x860
[  264.783616][ T6298]  ? sysfs_create_dir_ns+0x282/0x390
[  264.789025][ T6298]  sysfs_create_dir_ns+0x2c6/0x390
[  264.794255][ T6298]  ? sysfs_warn_dup+0xa0/0xa0
[  264.798961][ T6298]  ? do_raw_spin_unlock+0x137/0x8b0
[  264.804311][ T6298]  ? kobject_set_name_vargs+0xca/0x110
[  264.809924][ T6298]  kobject_add_internal+0x6e0/0xe00
[  264.815157][ T6298]  kobject_init_and_add+0x120/0x190
[  264.820377][ T6298]  ? lockdep_softirqs_off+0x420/0x420
[  264.825773][ T6298]  ? widen_string+0x3a/0x310
[  264.830396][ T6298]  ? kobject_add+0x210/0x210
[  264.835102][ T6298]  ? __init_swait_queue_head+0xaa/0x140
[  264.840787][ T6298]  gfs2_sys_fs_add+0x237/0x4a0
[  264.845673][ T6298]  ? gfs2_recover_set+0x240/0x240
[  264.850727][ T6298]  ? snprintf+0xd6/0x120
[  264.855005][ T6298]  ? vscnprintf+0x80/0x80
[  264.859462][ T6298]  ? read_word_at_a_time+0xe/0x20
[  264.864520][ T6298]  ? strscpy+0x89/0x220
[  264.868935][ T6298]  gfs2_fill_super+0x1299/0x2750
[  264.873918][ T6298]  ? gfs2_reconfigure+0xcf0/0xcf0
[  264.878961][ T6298]  ? ptr_to_hashval+0x60/0x60
[  264.883673][ T6298]  ? up_write+0x19d/0x580
[  264.888227][ T6298]  ? set_blocksize+0x1ec/0x370
[  264.893042][ T6298]  get_tree_bdev+0x3fe/0x620
[  264.897657][ T6298]  ? gfs2_reconfigure+0xcf0/0xcf0
[  264.902819][ T6298]  gfs2_get_tree+0x50/0x210
[  264.907338][ T6298]  ? bpf_lsm_capable+0x5/0x10
[  264.912395][ T6298]  vfs_get_tree+0x88/0x270
[  264.916923][ T6298]  do_new_mount+0x2ba/0xb40
[  264.921506][ T6298]  ? do_move_mount_old+0x160/0x160
[  264.926643][ T6298]  ? user_path_at_empty+0x12b/0x180
[  264.931861][ T6298]  __se_sys_mount+0x2d5/0x3c0
[  264.936652][ T6298]  ? __x64_sys_mount+0xc0/0xc0
[  264.941768][ T6298]  ? syscall_enter_from_user_mode+0x2e/0x240
[  264.947790][ T6298]  ? lockdep_hardirqs_on+0x94/0x130
[  264.953100][ T6298]  ? __x64_sys_mount+0x1c/0xc0
[  264.957898][ T6298]  do_syscall_64+0x3b/0xb0
[  264.959197][ T6300] loop4: detected capacity change from 0 to 32768
[  264.962594][ T6298]  ? clear_bhb_loop+0x15/0x70
[  264.973686][ T6298]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.979656][ T6298] RIP: 0033:0x7f4c5def390a
[  264.984098][ T6298] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  265.003908][ T6298] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.012365][ T6298] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  265.020613][ T6298] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  265.028617][ T6298] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  265.036626][ T6298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  265.044630][ T6298] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  265.052875][ T6298]  </TASK>
[  265.057840][ T6298] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.071143][ T6298] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.396486][ T6302] loop5: detected capacity change from 0 to 32768
[  265.427252][ T6304] loop3: detected capacity change from 0 to 32768
[  265.470829][ T6300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.478421][ T6300] CPU: 0 PID: 6300 Comm: syz.4.319 Not tainted 5.15.180-syzkaller #0
[  265.486621][ T6300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  265.496700][ T6300] Call Trace:
[  265.499997][ T6300]  <TASK>
[  265.502954][ T6300]  dump_stack_lvl+0x1e3/0x2d0
[  265.507656][ T6300]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  265.513310][ T6300]  ? panic+0x860/0x860
[  265.517442][ T6300]  ? sysfs_create_dir_ns+0x282/0x390
[  265.522748][ T6300]  sysfs_create_dir_ns+0x2c6/0x390
[  265.527894][ T6300]  ? sysfs_warn_dup+0xa0/0xa0
[  265.532628][ T6300]  ? do_raw_spin_unlock+0x137/0x8b0
[  265.537863][ T6300]  ? kobject_set_name_vargs+0xca/0x110
[  265.543640][ T6300]  kobject_add_internal+0x6e0/0xe00
[  265.548883][ T6300]  kobject_init_and_add+0x120/0x190
[  265.554117][ T6300]  ? lockdep_softirqs_off+0x420/0x420
[  265.559518][ T6300]  ? widen_string+0x3a/0x310
[  265.561578][ T6302] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.564154][ T6300]  ? kobject_add+0x210/0x210
[  265.576093][ T6300]  ? __init_swait_queue_head+0xaa/0x140
[  265.581669][ T6300]  gfs2_sys_fs_add+0x237/0x4a0
[  265.586550][ T6300]  ? gfs2_recover_set+0x240/0x240
[  265.591584][ T6300]  ? snprintf+0xd6/0x120
[  265.595842][ T6300]  ? vscnprintf+0x80/0x80
[  265.600307][ T6300]  ? read_word_at_a_time+0xe/0x20
[  265.605443][ T6300]  ? strscpy+0x89/0x220
[  265.609611][ T6300]  gfs2_fill_super+0x1299/0x2750
[  265.614572][ T6300]  ? gfs2_reconfigure+0xcf0/0xcf0
[  265.619598][ T6300]  ? ptr_to_hashval+0x60/0x60
[  265.624290][ T6300]  ? up_write+0x19d/0x580
[  265.628664][ T6300]  ? set_blocksize+0x1ec/0x370
[  265.633464][ T6300]  get_tree_bdev+0x3fe/0x620
[  265.638060][ T6300]  ? gfs2_reconfigure+0xcf0/0xcf0
[  265.643176][ T6300]  gfs2_get_tree+0x50/0x210
[  265.647687][ T6300]  ? bpf_lsm_capable+0x5/0x10
[  265.652371][ T6300]  vfs_get_tree+0x88/0x270
[  265.656883][ T6300]  do_new_mount+0x2ba/0xb40
[  265.661419][ T6300]  ? do_move_mount_old+0x160/0x160
[  265.666552][ T6300]  ? user_path_at_empty+0x12b/0x180
[  265.671764][ T6300]  __se_sys_mount+0x2d5/0x3c0
[  265.676447][ T6300]  ? __x64_sys_mount+0xc0/0xc0
[  265.681214][ T6300]  ? syscall_enter_from_user_mode+0x2e/0x240
[  265.687199][ T6300]  ? lockdep_hardirqs_on+0x94/0x130
[  265.692422][ T6300]  ? __x64_sys_mount+0x1c/0xc0
[  265.697193][ T6300]  do_syscall_64+0x3b/0xb0
[  265.701645][ T6300]  ? clear_bhb_loop+0x15/0x70
[  265.706419][ T6300]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.712321][ T6300] RIP: 0033:0x7f738f0d890a
[  265.716974][ T6300] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  265.736882][ T6300] RSP: 002b:00007f738e347e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.745314][ T6300] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  265.753667][ T6300] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  265.761673][ T6300] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  265.769686][ T6300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  265.777692][ T6300] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  265.785854][ T6300]  </TASK>
[  265.788873][ T6302] CPU: 1 PID: 6302 Comm: syz.5.320 Not tainted 5.15.180-syzkaller #0
[  265.790395][ T6300] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.796984][ T6302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  265.797001][ T6302] Call Trace:
[  265.797009][ T6302]  <TASK>
[  265.797017][ T6302]  dump_stack_lvl+0x1e3/0x2d0
[  265.810198][ T6300] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.820196][ T6302]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  265.820238][ T6302]  ? panic+0x860/0x860
[  265.820265][ T6302]  ? sysfs_create_dir_ns+0x282/0x390
[  265.852841][ T6302]  sysfs_create_dir_ns+0x2c6/0x390
[  265.857987][ T6302]  ? sysfs_warn_dup+0xa0/0xa0
[  265.862691][ T6302]  ? do_raw_spin_unlock+0x137/0x8b0
[  265.868003][ T6302]  ? kobject_set_name_vargs+0xca/0x110
[  265.873517][ T6302]  kobject_add_internal+0x6e0/0xe00
[  265.878847][ T6302]  kobject_init_and_add+0x120/0x190
[  265.884062][ T6302]  ? lockdep_softirqs_off+0x420/0x420
[  265.889449][ T6302]  ? widen_string+0x3a/0x310
[  265.894056][ T6302]  ? kobject_add+0x210/0x210
[  265.898665][ T6302]  ? __init_swait_queue_head+0xaa/0x140
[  265.904718][ T6302]  gfs2_sys_fs_add+0x237/0x4a0
[  265.909639][ T6302]  ? gfs2_recover_set+0x240/0x240
[  265.914779][ T6302]  ? snprintf+0xd6/0x120
2025/04/13 18:32:21 executed programs: 316
[  265.919049][ T6302]  ? vscnprintf+0x80/0x80
[  265.923418][ T6302]  ? read_word_at_a_time+0xe/0x20
[  265.928488][ T6302]  ? strscpy+0x89/0x220
[  265.932680][ T6302]  gfs2_fill_super+0x1299/0x2750
[  265.937692][ T6302]  ? gfs2_reconfigure+0xcf0/0xcf0
[  265.942745][ T6302]  ? ptr_to_hashval+0x60/0x60
[  265.947454][ T6302]  ? up_write+0x19d/0x580
[  265.951827][ T6302]  ? set_blocksize+0x1ec/0x370
[  265.956634][ T6302]  get_tree_bdev+0x3fe/0x620
[  265.961251][ T6302]  ? gfs2_reconfigure+0xcf0/0xcf0
[  265.966390][ T6302]  gfs2_get_tree+0x50/0x210
[  265.970920][ T6302]  ? bpf_lsm_capable+0x5/0x10
[  265.975716][ T6302]  vfs_get_tree+0x88/0x270
[  265.980165][ T6302]  do_new_mount+0x2ba/0xb40
[  265.984693][ T6302]  ? do_move_mount_old+0x160/0x160
[  265.989841][ T6302]  ? user_path_at_empty+0x12b/0x180
[  265.995063][ T6302]  __se_sys_mount+0x2d5/0x3c0
[  265.999774][ T6302]  ? __x64_sys_mount+0xc0/0xc0
[  266.004556][ T6302]  ? syscall_enter_from_user_mode+0x2e/0x240
[  266.010562][ T6302]  ? lockdep_hardirqs_on+0x94/0x130
[  266.015880][ T6302]  ? __x64_sys_mount+0x1c/0xc0
[  266.020667][ T6302]  do_syscall_64+0x3b/0xb0
[  266.025103][ T6302]  ? clear_bhb_loop+0x15/0x70
[  266.029801][ T6302]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.035736][ T6302] RIP: 0033:0x7f6914f0490a
[  266.040173][ T6302] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  266.060057][ T6302] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.068633][ T6302] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  266.076769][ T6302] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  266.084969][ T6302] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  266.092983][ T6302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  266.101065][ T6302] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  266.109082][ T6302]  </TASK>
[  266.113674][ T6302] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.128292][ T6302] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.169639][ T6304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.177094][ T6304] CPU: 1 PID: 6304 Comm: syz.3.321 Not tainted 5.15.180-syzkaller #0
[  266.185184][ T6304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  266.195264][ T6304] Call Trace:
[  266.198568][ T6304]  <TASK>
[  266.201524][ T6304]  dump_stack_lvl+0x1e3/0x2d0
[  266.206231][ T6304]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  266.211939][ T6304]  ? panic+0x860/0x860
[  266.216039][ T6304]  ? sysfs_create_dir_ns+0x282/0x390
[  266.221361][ T6304]  sysfs_create_dir_ns+0x2c6/0x390
[  266.226508][ T6304]  ? sysfs_warn_dup+0xa0/0xa0
[  266.231315][ T6304]  ? do_raw_spin_unlock+0x137/0x8b0
[  266.236551][ T6304]  ? kobject_set_name_vargs+0xca/0x110
[  266.242161][ T6304]  kobject_add_internal+0x6e0/0xe00
[  266.247393][ T6304]  kobject_init_and_add+0x120/0x190
[  266.252615][ T6304]  ? lockdep_softirqs_off+0x420/0x420
[  266.258004][ T6304]  ? widen_string+0x3a/0x310
[  266.262625][ T6304]  ? kobject_add+0x210/0x210
[  266.267241][ T6304]  ? __init_swait_queue_head+0xaa/0x140
[  266.272808][ T6304]  gfs2_sys_fs_add+0x237/0x4a0
[  266.277592][ T6304]  ? gfs2_recover_set+0x240/0x240
[  266.282639][ T6304]  ? snprintf+0xd6/0x120
[  266.286909][ T6304]  ? vscnprintf+0x80/0x80
[  266.291265][ T6304]  ? read_word_at_a_time+0xe/0x20
[  266.296370][ T6304]  ? strscpy+0x89/0x220
[  266.300549][ T6304]  gfs2_fill_super+0x1299/0x2750
[  266.305614][ T6304]  ? gfs2_reconfigure+0xcf0/0xcf0
[  266.310654][ T6304]  ? ptr_to_hashval+0x60/0x60
[  266.315350][ T6304]  ? up_write+0x19d/0x580
[  266.319755][ T6304]  ? set_blocksize+0x1ec/0x370
[  266.324545][ T6304]  get_tree_bdev+0x3fe/0x620
[  266.329152][ T6304]  ? gfs2_reconfigure+0xcf0/0xcf0
[  266.332521][ T6307] loop1: detected capacity change from 0 to 32768
[  266.334283][ T6304]  gfs2_get_tree+0x50/0x210
[  266.345201][ T6304]  ? bpf_lsm_capable+0x5/0x10
[  266.350000][ T6304]  vfs_get_tree+0x88/0x270
[  266.354441][ T6304]  do_new_mount+0x2ba/0xb40
[  266.359005][ T6304]  ? do_move_mount_old+0x160/0x160
[  266.364238][ T6304]  ? user_path_at_empty+0x12b/0x180
[  266.369904][ T6304]  __se_sys_mount+0x2d5/0x3c0
[  266.374709][ T6304]  ? __x64_sys_mount+0xc0/0xc0
[  266.379537][ T6304]  ? syscall_enter_from_user_mode+0x2e/0x240
[  266.385536][ T6304]  ? lockdep_hardirqs_on+0x94/0x130
[  266.390851][ T6304]  ? __x64_sys_mount+0x1c/0xc0
[  266.395638][ T6304]  do_syscall_64+0x3b/0xb0
[  266.400075][ T6304]  ? clear_bhb_loop+0x15/0x70
[  266.404772][ T6304]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.410680][ T6304] RIP: 0033:0x7f91e97b190a
[  266.415113][ T6304] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  266.434930][ T6304] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.443464][ T6304] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  266.451478][ T6304] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  266.459878][ T6304] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  266.467967][ T6304] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  266.475967][ T6304] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  266.483984][ T6304]  </TASK>
[  266.488609][ T6304] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.501795][ T6304] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.687331][ T6308] loop2: detected capacity change from 0 to 32768
[  266.697970][ T6307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.705436][ T6307] CPU: 0 PID: 6307 Comm: syz.1.322 Not tainted 5.15.180-syzkaller #0
[  266.713678][ T6307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  266.723756][ T6307] Call Trace:
[  266.727040][ T6307]  <TASK>
[  266.729970][ T6307]  dump_stack_lvl+0x1e3/0x2d0
[  266.734656][ T6307]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  266.740379][ T6307]  ? panic+0x860/0x860
[  266.744476][ T6307]  ? sysfs_create_dir_ns+0x282/0x390
[  266.749977][ T6307]  sysfs_create_dir_ns+0x2c6/0x390
[  266.755202][ T6307]  ? sysfs_warn_dup+0xa0/0xa0
[  266.760079][ T6307]  ? do_raw_spin_unlock+0x137/0x8b0
[  266.765337][ T6307]  ? kobject_set_name_vargs+0xca/0x110
[  266.770973][ T6307]  kobject_add_internal+0x6e0/0xe00
[  266.776304][ T6307]  kobject_init_and_add+0x120/0x190
[  266.781544][ T6307]  ? lockdep_softirqs_off+0x420/0x420
[  266.786921][ T6307]  ? widen_string+0x3a/0x310
[  266.791708][ T6307]  ? kobject_add+0x210/0x210
[  266.796315][ T6307]  ? __init_swait_queue_head+0xaa/0x140
[  266.801983][ T6307]  gfs2_sys_fs_add+0x237/0x4a0
[  266.806753][ T6307]  ? gfs2_recover_set+0x240/0x240
[  266.811809][ T6307]  ? snprintf+0xd6/0x120
[  266.816069][ T6307]  ? vscnprintf+0x80/0x80
[  266.820426][ T6307]  ? read_word_at_a_time+0xe/0x20
[  266.825465][ T6307]  ? strscpy+0x89/0x220
[  266.829726][ T6307]  gfs2_fill_super+0x1299/0x2750
[  266.834789][ T6307]  ? gfs2_reconfigure+0xcf0/0xcf0
[  266.839949][ T6307]  ? ptr_to_hashval+0x60/0x60
[  266.844669][ T6307]  ? up_write+0x19d/0x580
[  266.849035][ T6307]  ? set_blocksize+0x1ec/0x370
[  266.853820][ T6307]  get_tree_bdev+0x3fe/0x620
[  266.858833][ T6307]  ? gfs2_reconfigure+0xcf0/0xcf0
[  266.863889][ T6307]  gfs2_get_tree+0x50/0x210
[  266.868415][ T6307]  ? bpf_lsm_capable+0x5/0x10
[  266.873138][ T6307]  vfs_get_tree+0x88/0x270
[  266.877593][ T6307]  do_new_mount+0x2ba/0xb40
[  266.882128][ T6307]  ? do_move_mount_old+0x160/0x160
[  266.887244][ T6307]  ? user_path_at_empty+0x12b/0x180
[  266.892456][ T6307]  __se_sys_mount+0x2d5/0x3c0
[  266.897135][ T6307]  ? __x64_sys_mount+0xc0/0xc0
[  266.901902][ T6307]  ? syscall_enter_from_user_mode+0x2e/0x240
[  266.907912][ T6307]  ? lockdep_hardirqs_on+0x94/0x130
[  266.913202][ T6307]  ? __x64_sys_mount+0x1c/0xc0
[  266.917979][ T6307]  do_syscall_64+0x3b/0xb0
[  266.922502][ T6307]  ? clear_bhb_loop+0x15/0x70
[  266.927200][ T6307]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.933130][ T6307] RIP: 0033:0x7f4c5def390a
[  266.937541][ T6307] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  266.957331][ T6307] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.965754][ T6307] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  266.973754][ T6307] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  266.981758][ T6307] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  266.989791][ T6307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  266.997772][ T6307] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  267.006033][ T6307]  </TASK>
[  267.010229][ T6307] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.023941][ T6307] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.067388][ T6308] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.076088][ T6308] CPU: 0 PID: 6308 Comm: syz.2.323 Not tainted 5.15.180-syzkaller #0
[  267.084185][ T6308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  267.094259][ T6308] Call Trace:
[  267.097599][ T6308]  <TASK>
[  267.100564][ T6308]  dump_stack_lvl+0x1e3/0x2d0
[  267.105314][ T6308]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  267.111092][ T6308]  ? panic+0x860/0x860
[  267.115198][ T6308]  ? sysfs_create_dir_ns+0x282/0x390
[  267.120527][ T6308]  sysfs_create_dir_ns+0x2c6/0x390
[  267.125666][ T6308]  ? sysfs_warn_dup+0xa0/0xa0
[  267.130363][ T6308]  ? do_raw_spin_unlock+0x137/0x8b0
[  267.135577][ T6308]  ? kobject_set_name_vargs+0xca/0x110
[  267.141059][ T6308]  kobject_add_internal+0x6e0/0xe00
[  267.146295][ T6308]  kobject_init_and_add+0x120/0x190
[  267.151540][ T6308]  ? lockdep_softirqs_off+0x420/0x420
[  267.157010][ T6308]  ? widen_string+0x3a/0x310
[  267.161634][ T6308]  ? kobject_add+0x210/0x210
[  267.166247][ T6308]  ? __init_swait_queue_head+0xaa/0x140
[  267.171817][ T6308]  gfs2_sys_fs_add+0x237/0x4a0
[  267.176601][ T6308]  ? gfs2_recover_set+0x240/0x240
[  267.181651][ T6308]  ? snprintf+0xd6/0x120
[  267.186013][ T6308]  ? vscnprintf+0x80/0x80
[  267.190364][ T6308]  ? read_word_at_a_time+0xe/0x20
[  267.195403][ T6308]  ? strscpy+0x89/0x220
[  267.199582][ T6308]  gfs2_fill_super+0x1299/0x2750
[  267.204695][ T6308]  ? gfs2_reconfigure+0xcf0/0xcf0
[  267.209744][ T6308]  ? ptr_to_hashval+0x60/0x60
[  267.214446][ T6308]  ? up_write+0x19d/0x580
[  267.218822][ T6308]  ? set_blocksize+0x1ec/0x370
[  267.223669][ T6308]  get_tree_bdev+0x3fe/0x620
[  267.228508][ T6308]  ? gfs2_reconfigure+0xcf0/0xcf0
[  267.233581][ T6308]  gfs2_get_tree+0x50/0x210
[  267.238331][ T6308]  ? bpf_lsm_capable+0x5/0x10
[  267.243032][ T6308]  vfs_get_tree+0x88/0x270
[  267.247475][ T6308]  do_new_mount+0x2ba/0xb40
[  267.252002][ T6308]  ? do_move_mount_old+0x160/0x160
[  267.257143][ T6308]  ? user_path_at_empty+0x12b/0x180
[  267.262375][ T6308]  __se_sys_mount+0x2d5/0x3c0
[  267.267215][ T6308]  ? __x64_sys_mount+0xc0/0xc0
[  267.272098][ T6308]  ? syscall_enter_from_user_mode+0x2e/0x240
[  267.278151][ T6308]  ? lockdep_hardirqs_on+0x94/0x130
[  267.283479][ T6308]  ? __x64_sys_mount+0x1c/0xc0
[  267.288929][ T6308]  do_syscall_64+0x3b/0xb0
[  267.293475][ T6308]  ? clear_bhb_loop+0x15/0x70
[  267.298317][ T6308]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.304247][ T6308] RIP: 0033:0x7f3711f4790a
[  267.308690][ T6308] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  267.328465][ T6308] RSP: 002b:00007f37111b6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.336913][ T6308] RAX: ffffffffffffffda RBX: 00007f37111b6ef0 RCX: 00007f3711f4790a
[  267.344944][ T6308] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f37111b6eb0
[  267.352945][ T6308] RBP: 0000200000000400 R08: 00007f37111b6ef0 R09: 0000000000000000
[  267.360989][ T6308] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  267.368989][ T6308] R13: 00007f37111b6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  267.377015][ T6308]  </TASK>
[  267.381519][ T6308] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.395688][ T6308] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.669527][ T6312] loop3: detected capacity change from 0 to 32768
[  267.809616][ T6313] loop4: detected capacity change from 0 to 32768
[  267.887990][   T27] INFO: task syz.0.25:5351 blocked for more than 143 seconds.
[  267.924894][   T27]       Not tainted 5.15.180-syzkaller #0
[  267.933676][ T6312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.941200][ T6312] CPU: 0 PID: 6312 Comm: syz.3.325 Not tainted 5.15.180-syzkaller #0
[  267.949294][ T6312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  267.959370][ T6312] Call Trace:
[  267.962671][ T6312]  <TASK>
[  267.965616][ T6312]  dump_stack_lvl+0x1e3/0x2d0
[  267.970321][ T6312]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  267.976071][ T6312]  ? panic+0x860/0x860
[  267.980169][ T6312]  ? sysfs_create_dir_ns+0x282/0x390
[  267.985512][ T6312]  sysfs_create_dir_ns+0x2c6/0x390
[  267.990738][ T6312]  ? sysfs_warn_dup+0xa0/0xa0
[  267.995464][ T6312]  ? do_raw_spin_unlock+0x137/0x8b0
[  268.000796][ T6312]  ? kobject_set_name_vargs+0xca/0x110
[  268.006291][ T6312]  kobject_add_internal+0x6e0/0xe00
[  268.011515][ T6312]  kobject_init_and_add+0x120/0x190
[  268.016764][ T6312]  ? lockdep_softirqs_off+0x420/0x420
[  268.018366][ T6314] loop5: detected capacity change from 0 to 32768
[  268.022153][ T6312]  ? widen_string+0x3a/0x310
[  268.033369][ T6312]  ? kobject_add+0x210/0x210
[  268.037999][ T6312]  ? __init_swait_queue_head+0xaa/0x140
[  268.043575][ T6312]  gfs2_sys_fs_add+0x237/0x4a0
[  268.048410][ T6312]  ? gfs2_recover_set+0x240/0x240
[  268.053611][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  268.053649][ T6312]  ? snprintf+0xd6/0x120
[  268.062356][   T27] task:syz.0.25        state:D
[  268.066556][ T6312]  ? vscnprintf+0x80/0x80
[  268.071331][   T27]  stack:23712 pid: 5351 ppid:  4963 flags:0x00004004
[  268.075662][ T6312]  ? read_word_at_a_time+0xe/0x20
[  268.082430][   T27] Call Trace:
[  268.087550][ T6312]  ? strscpy+0x89/0x220
[  268.087581][ T6312]  gfs2_fill_super+0x1299/0x2750
[  268.090848][   T27]  <TASK>
[  268.095005][ T6312]  ? gfs2_reconfigure+0xcf0/0xcf0
[  268.095030][ T6312]  ? ptr_to_hashval+0x60/0x60
[  268.095054][ T6312]  ? up_write+0x19d/0x580
[  268.095098][ T6312]  ? set_blocksize+0x1ec/0x370
[  268.095133][ T6312]  get_tree_bdev+0x3fe/0x620
[  268.095158][ T6312]  ? gfs2_reconfigure+0xcf0/0xcf0
[  268.095181][ T6312]  gfs2_get_tree+0x50/0x210
[  268.095202][ T6312]  ? bpf_lsm_capable+0x5/0x10
[  268.095230][ T6312]  vfs_get_tree+0x88/0x270
[  268.122062][   T27]  __schedule+0x12c4/0x45b0
[  268.126481][ T6312]  do_new_mount+0x2ba/0xb40
[  268.126514][ T6312]  ? do_move_mount_old+0x160/0x160
[  268.132216][   T27]  ? release_firmware_map_entry+0x190/0x190
[  268.136035][ T6312]  ? user_path_at_empty+0x12b/0x180
[  268.136064][ T6312]  __se_sys_mount+0x2d5/0x3c0
[  268.141344][   T27]  schedule+0x11b/0x1f0
[  268.145143][ T6312]  ? __x64_sys_mount+0xc0/0xc0
[  268.145170][ T6312]  ? syscall_enter_from_user_mode+0x2e/0x240
[  268.145192][ T6312]  ? lockdep_hardirqs_on+0x94/0x130
[  268.145217][ T6312]  ? __x64_sys_mount+0x1c/0xc0
[  268.145242][ T6312]  do_syscall_64+0x3b/0xb0
[  268.145264][ T6312]  ? clear_bhb_loop+0x15/0x70
[  268.145288][ T6312]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.145312][ T6312] RIP: 0033:0x7f91e97b190a
[  268.145333][ T6312] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  268.145352][ T6312] RSP: 002b:00007f91e8a20e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.159883][   T27]  schedule_timeout+0xac/0x300
[  268.165358][ T6312] RAX: ffffffffffffffda RBX: 00007f91e8a20ef0 RCX: 00007f91e97b190a
[  268.165384][ T6312] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f91e8a20eb0
[  268.165401][ T6312] RBP: 0000200000000400 R08: 00007f91e8a20ef0 R09: 0000000000000000
[  268.165417][ T6312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  268.171634][   T27]  ? console_conditional_schedule+0x40/0x40
[  268.175397][ T6312] R13: 00007f91e8a20eb0 R14: 00000000000125bb R15: 00002000000004c0
[  268.175432][ T6312]  </TASK>
[  268.176872][ T6312] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.181531][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  268.184387][ T6312] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.198413][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  268.480700][   T27]  ? _raw_spin_unlock_irq+0x1f/0x40
[  268.501060][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  268.521483][   T27]  do_wait_for_common+0x2d9/0x480
[  268.542485][   T27]  ? console_conditional_schedule+0x40/0x40
[  268.559188][   T27]  ? wait_for_completion_killable_timeout+0x60/0x60
[  268.578654][   T27]  ? _raw_spin_lock_irq+0xdb/0x110
[  268.594392][   T27]  wait_for_completion+0x48/0x60
[  268.619241][   T27]  kthread_stop+0x178/0x580
[  268.623893][   T27]  gfs2_make_fs_ro+0x14d/0x5f0
[  268.645172][ T6316] loop1: detected capacity change from 0 to 32768
[  268.648461][   T27]  ? gfs2_dinode_out+0xaf0/0xaf0
[  268.660227][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  268.669589][   T27]  ? gfs2_glock_is_locked_by_me+0x16f/0x190
[  268.679829][   T27]  gfs2_withdraw+0x5fb/0x14e0
[  268.684558][   T27]  ? gfs2_lm+0x206/0x230
[  268.693144][   T27]  ? gfs2_lm+0x230/0x230
[  268.701291][   T27]  ? gfs2_meta_ra+0x568/0x5f0
[  268.710097][   T27]  ? gfs2_meta_buffer+0x410/0x410
[  268.717012][   T27]  gfs2_metatype_check_ii+0x75/0x90
[  268.722259][   T27]  gfs2_quota_init+0xe06/0x1110
[  268.735025][   T27]  ? qd_get+0x5c0/0x5c0
[  268.740925][   T27]  ? gfs2_end_log_write+0x800/0x800
[  268.746616][   T27]  ? inode_go_inval+0x25c/0x2c0
[  268.751919][   T27]  gfs2_make_fs_rw+0x436/0x5b0
[  268.757847][   T27]  ? gfs2_jdesc_check+0x290/0x290
[  268.763176][   T27]  ? gfs2_glock_wait+0x137/0x1c0
[  268.768646][   T27]  gfs2_fill_super+0x23e8/0x2750
[  268.773973][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  268.779512][   T27]  ? ptr_to_hashval+0x60/0x60
[  268.784482][   T27]  ? gfs2_glock_nq_num+0x123/0x270
[  268.789995][   T27]  ? gfs2_freeze_lock+0x52/0xc0
[  268.795956][   T27]  ? set_blocksize+0x1ec/0x370
[  268.800764][   T27]  get_tree_bdev+0x3fe/0x620
[  268.806024][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  268.811082][   T27]  gfs2_get_tree+0x50/0x210
[  268.817025][   T27]  ? bpf_lsm_capable+0x5/0x10
[  268.821750][   T27]  vfs_get_tree+0x88/0x270
[  268.826776][   T27]  do_new_mount+0x2ba/0xb40
[  268.831306][   T27]  ? do_move_mount_old+0x160/0x160
[  268.837260][   T27]  ? user_path_at_empty+0x12b/0x180
[  268.842489][   T27]  __se_sys_mount+0x2d5/0x3c0
[  268.847747][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  268.852658][   T27]  ? syscall_enter_from_user_mode+0x2e/0x240
[  268.858947][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  268.864470][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  268.869740][   T27]  do_syscall_64+0x3b/0xb0
[  268.874281][   T27]  ? clear_bhb_loop+0x15/0x70
[  268.879326][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.885743][   T27] RIP: 0033:0x7fe77033790a
[  268.890288][   T27] RSP: 002b:00007fe76f5a6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.899265][   T27] RAX: ffffffffffffffda RBX: 00007fe76f5a6ef0 RCX: 00007fe77033790a
[  268.908238][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fe76f5a6eb0
[  268.917019][   T27] RBP: 0000200000000400 R08: 00007fe76f5a6ef0 R09: 0000000000000000
[  268.925482][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  268.933499][   T27] R13: 00007fe76f5a6eb0 R14: 00000000000125bb R15: 00002000000004c0
[  268.941656][   T27]  </TASK>
[  268.944935][   T27] INFO: task gfs2_quotad:5367 blocked for more than 144 seconds.
[  268.952679][   T27]       Not tainted 5.15.180-syzkaller #0
[  268.968100][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  268.977358][   T27] task:gfs2_quotad     state:D stack:25440 pid: 5367 ppid:     2 flags:0x00004000
[  268.987744][   T27] Call Trace:
[  268.991061][   T27]  <TASK>
[  268.994053][   T27]  __schedule+0x12c4/0x45b0
[  268.999189][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  269.005408][   T27]  ? release_firmware_map_entry+0x190/0x190
[  269.012023][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  269.017642][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  269.023631][   T27]  ? _raw_spin_unlock_irqrestore+0xd9/0x130
[  269.029882][   T27]  schedule+0x11b/0x1f0
[  269.034440][   T27]  bit_wait+0xe/0xc0
[  269.038672][   T27]  __wait_on_bit+0xb9/0x180
[  269.043211][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  269.049888][   T27]  out_of_line_wait_on_bit+0x1d0/0x250
[  269.058857][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  269.065211][ T6313] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.072873][ T6313] CPU: 0 PID: 6313 Comm: syz.4.326 Not tainted 5.15.180-syzkaller #0
[  269.081058][ T6313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  269.082467][   T27]  ? __wait_on_bit+0x180/0x180
[  269.091130][ T6313] Call Trace:
[  269.091141][ T6313]  <TASK>
[  269.091150][ T6313]  dump_stack_lvl+0x1e3/0x2d0
[  269.091179][ T6313]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  269.091205][ T6313]  ? panic+0x860/0x860
[  269.091231][ T6313]  ? sysfs_create_dir_ns+0x282/0x390
[  269.091263][ T6313]  sysfs_create_dir_ns+0x2c6/0x390
[  269.096879][   T27]  ? bit_waitqueue+0x30/0x30
[  269.099426][ T6313]  ? sysfs_warn_dup+0xa0/0xa0
[  269.102365][   T27]  __gfs2_glock_dq+0x699/0x9e0
[  269.107034][ T6313]  ? do_raw_spin_unlock+0x137/0x8b0
[  269.107065][ T6313]  ? kobject_set_name_vargs+0xca/0x110
[  269.107094][ T6313]  kobject_add_internal+0x6e0/0xe00
[  269.107125][ T6313]  kobject_init_and_add+0x120/0x190
[  269.121409][   T27]  gfs2_glock_dq_uninit+0x51/0x110
[  269.122315][ T6313]  ? lockdep_softirqs_off+0x420/0x420
[  269.144818][   T27]  gfs2_statfs_sync+0x7d5/0x860
[  269.146598][ T6313]  ? widen_string+0x3a/0x310
[  269.146631][ T6313]  ? kobject_add+0x210/0x210
[  269.162677][   T27]  ? update_statfs+0x350/0x350
[  269.167649][ T6313]  ? __init_swait_queue_head+0xaa/0x140
[  269.167681][ T6313]  gfs2_sys_fs_add+0x237/0x4a0
[  269.193690][   T27]  ? gfs2_statfs_sync+0x150/0x860
[  269.197356][ T6313]  ? gfs2_recover_set+0x240/0x240
[  269.197384][ T6313]  ? snprintf+0xd6/0x120
[  269.202135][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  269.207155][ T6313]  ? vscnprintf+0x80/0x80
[  269.207187][ T6313]  ? read_word_at_a_time+0xe/0x20
[  269.207211][ T6313]  ? strscpy+0x89/0x220
[  269.207238][ T6313]  gfs2_fill_super+0x1299/0x2750
[  269.222702][   T27]  gfs2_quotad+0x3a8/0x900
[  269.226808][ T6313]  ? gfs2_reconfigure+0xcf0/0xcf0
[  269.226835][ T6313]  ? ptr_to_hashval+0x60/0x60
[  269.226862][ T6313]  ? up_write+0x19d/0x580
[  269.226903][ T6313]  ? set_blocksize+0x1ec/0x370
[  269.226938][ T6313]  get_tree_bdev+0x3fe/0x620
[  269.226963][ T6313]  ? gfs2_reconfigure+0xcf0/0xcf0
[  269.226989][ T6313]  gfs2_get_tree+0x50/0x210
[  269.227009][ T6313]  ? bpf_lsm_capable+0x5/0x10
[  269.227043][ T6313]  vfs_get_tree+0x88/0x270
[  269.227067][ T6313]  do_new_mount+0x2ba/0xb40
[  269.227095][ T6313]  ? do_move_mount_old+0x160/0x160
[  269.227122][ T6313]  ? user_path_at_empty+0x12b/0x180
[  269.227146][ T6313]  __se_sys_mount+0x2d5/0x3c0
[  269.227175][ T6313]  ? __x64_sys_mount+0xc0/0xc0
[  269.227198][ T6313]  ? syscall_enter_from_user_mode+0x2e/0x240
[  269.227220][ T6313]  ? lockdep_hardirqs_on+0x94/0x130
[  269.227248][ T6313]  ? __x64_sys_mount+0x1c/0xc0
[  269.227273][ T6313]  do_syscall_64+0x3b/0xb0
[  269.227296][ T6313]  ? clear_bhb_loop+0x15/0x70
[  269.227321][ T6313]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.227344][ T6313] RIP: 0033:0x7f738f0d890a
[  269.243232][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  269.246016][ T6313] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  269.246045][ T6313] RSP: 002b:00007f738e347e68 EFLAGS: 00000246
[  269.261446][   T27]  ? init_wait_entry+0xd0/0xd0
[  269.264981][ T6313]  ORIG_RAX: 00000000000000a5
[  269.264995][ T6313] RAX: ffffffffffffffda RBX: 00007f738e347ef0 RCX: 00007f738f0d890a
[  269.265013][ T6313] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f738e347eb0
[  269.265029][ T6313] RBP: 0000200000000400 R08: 00007f738e347ef0 R09: 0000000000000000
[  269.265051][ T6313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  269.265067][ T6313] R13: 00007f738e347eb0 R14: 00000000000125bb R15: 00002000000004c0
[  269.283922][   T27]  kthread+0x3f6/0x4f0
[  269.284258][ T6313]  </TASK>
[  269.288695][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  269.295067][ T6313] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.319049][   T27]  ? kthread_blkcg+0xd0/0xd0
[  269.324220][ T6313] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.367410][   T27]  ret_from_fork+0x1f/0x30
[  269.483672][   T27]  </TASK>
[  269.487231][   T27] 
[  269.487231][   T27] Showing all locks held in the system:
[  269.496102][   T27] 1 lock held by khungtaskd/27:
[  269.500989][   T27]  #0: ffffffff8cb1f560 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  269.510527][   T27] 2 locks held by udevd/3545:
[  269.515493][   T27]  #0: ffff888021058518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50
[  269.520283][ T6316] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.525842][   T27]  #1: ffff888147484468 (&lo->lo_mutex){+.+.}-{3:3}
[  269.533802][ T6316] CPU: 1 PID: 6316 Comm: syz.1.327 Not tainted 5.15.180-syzkaller #0
[  269.533829][ T6316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  269.533843][ T6316] Call Trace:
[  269.533851][ T6316]  <TASK>
[  269.533860][ T6316]  dump_stack_lvl+0x1e3/0x2d0
[  269.533894][ T6316]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  269.533920][ T6316]  ? panic+0x860/0x860
[  269.533947][ T6316]  ? sysfs_create_dir_ns+0x282/0x390
[  269.533988][ T6316]  sysfs_create_dir_ns+0x2c6/0x390
[  269.534015][ T6316]  ? sysfs_warn_dup+0xa0/0xa0
[  269.534040][ T6316]  ? do_raw_spin_unlock+0x137/0x8b0
[  269.534067][ T6316]  ? kobject_set_name_vargs+0xca/0x110
[  269.534095][ T6316]  kobject_add_internal+0x6e0/0xe00
[  269.534126][ T6316]  kobject_init_and_add+0x120/0x190
[  269.534149][ T6316]  ? lockdep_softirqs_off+0x420/0x420
[  269.547697][ T6314] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.548885][ T6316]  ? widen_string+0x3a/0x310
[  269.633056][ T6316]  ? kobject_add+0x210/0x210
[  269.637765][ T6316]  ? __init_swait_queue_head+0xaa/0x140
[  269.643329][ T6316]  gfs2_sys_fs_add+0x237/0x4a0
[  269.648101][ T6316]  ? gfs2_recover_set+0x240/0x240
[  269.653131][ T6316]  ? snprintf+0xd6/0x120
[  269.657472][ T6316]  ? vscnprintf+0x80/0x80
[  269.661925][ T6316]  ? read_word_at_a_time+0xe/0x20
[  269.666985][ T6316]  ? strscpy+0x89/0x220
[  269.671147][ T6316]  gfs2_fill_super+0x1299/0x2750
[  269.676119][ T6316]  ? gfs2_reconfigure+0xcf0/0xcf0
[  269.681235][ T6316]  ? ptr_to_hashval+0x60/0x60
[  269.685919][ T6316]  ? up_write+0x19d/0x580
[  269.690268][ T6316]  ? set_blocksize+0x1ec/0x370
[  269.695044][ T6316]  get_tree_bdev+0x3fe/0x620
[  269.699647][ T6316]  ? gfs2_reconfigure+0xcf0/0xcf0
[  269.704677][ T6316]  gfs2_get_tree+0x50/0x210
[  269.709295][ T6316]  ? bpf_lsm_capable+0x5/0x10
[  269.714023][ T6316]  vfs_get_tree+0x88/0x270
[  269.718446][ T6316]  do_new_mount+0x2ba/0xb40
[  269.723046][ T6316]  ? do_move_mount_old+0x160/0x160
[  269.728258][ T6316]  ? user_path_at_empty+0x12b/0x180
[  269.733493][ T6316]  __se_sys_mount+0x2d5/0x3c0
[  269.738296][ T6316]  ? __x64_sys_mount+0xc0/0xc0
[  269.743092][ T6316]  ? syscall_enter_from_user_mode+0x2e/0x240
[  269.749158][ T6316]  ? lockdep_hardirqs_on+0x94/0x130
[  269.754360][ T6316]  ? __x64_sys_mount+0x1c/0xc0
[  269.759129][ T6316]  do_syscall_64+0x3b/0xb0
[  269.763552][ T6316]  ? clear_bhb_loop+0x15/0x70
[  269.768249][ T6316]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.774146][ T6316] RIP: 0033:0x7f4c5def390a
[  269.778571][ T6316] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  269.798182][ T6316] RSP: 002b:00007f4c5d162e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.806605][ T6316] RAX: ffffffffffffffda RBX: 00007f4c5d162ef0 RCX: 00007f4c5def390a
[  269.814667][ T6316] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4c5d162eb0
[  269.822644][ T6316] RBP: 0000200000000400 R08: 00007f4c5d162ef0 R09: 0000000000000000
[  269.830649][ T6316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  269.838626][ T6316] R13: 00007f4c5d162eb0 R14: 00000000000125bb R15: 00002000000004c0
[  269.846704][ T6316]  </TASK>
[  269.849739][ T6314] CPU: 0 PID: 6314 Comm: syz.5.324 Not tainted 5.15.180-syzkaller #0
[  269.850824][ T6316] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.857824][ T6314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  269.857840][ T6314] Call Trace:
[  269.857848][ T6314]  <TASK>
[  269.857858][ T6314]  dump_stack_lvl+0x1e3/0x2d0
[  269.870974][ T6316] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.881029][ T6314]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  269.904216][ T6314]  ? panic+0x860/0x860
[  269.908343][ T6314]  ? sysfs_create_dir_ns+0x282/0x390
[  269.910932][   T27] , at: lo_open+0x68/0x100
[  269.913659][ T6314]  sysfs_create_dir_ns+0x2c6/0x390
[  269.923226][ T6314]  ? sysfs_warn_dup+0xa0/0xa0
[  269.928024][ T6314]  ? do_raw_spin_unlock+0x137/0x8b0
[  269.931581][   T27] 2 locks held by getty/3922:
[  269.933244][ T6314]  ? kobject_set_name_vargs+0xca/0x110
[  269.943366][ T6314]  kobject_add_internal+0x6e0/0xe00
[  269.948604][ T6314]  kobject_init_and_add+0x120/0x190
[  269.953936][ T6314]  ? lockdep_softirqs_off+0x420/0x420
[  269.958626][   T27]  #0: ffff88802cc5c098
[  269.959332][ T6314]  ? widen_string+0x3a/0x310
[  269.959350][   T27]  (
[  269.959368][ T6314]  ? kobject_add+0x210/0x210
[  269.963534][   T27] &tty->ldisc_sem
[  269.968092][ T6314]  ? __init_swait_queue_head+0xaa/0x140
[  269.968122][ T6314]  gfs2_sys_fs_add+0x237/0x4a0
[  269.981691][   T27] ){++++}-{0:0}
[  269.984414][ T6314]  ? gfs2_recover_set+0x240/0x240
[  269.984445][ T6314]  ? snprintf+0xd6/0x120
[  270.001989][ T6314]  ? vscnprintf+0x80/0x80
[  270.006355][ T6314]  ? read_word_at_a_time+0xe/0x20
[  270.011408][ T6314]  ? strscpy+0x89/0x220
[  270.012310][   T27] , at: tty_ldisc_ref_wait+0x21/0x70
[  270.015593][ T6314]  gfs2_fill_super+0x1299/0x2750
[  270.015644][ T6314]  ? gfs2_reconfigure+0xcf0/0xcf0
[  270.022700][   T27]  #1: 
[  270.025872][ T6314]  ? ptr_to_hashval+0x60/0x60
[  270.025905][ T6314]  ? up_write+0x19d/0x580
[  270.031187][   T27] ffffc900025c62e8
[  270.033699][ T6314]  ? set_blocksize+0x1ec/0x370
[  270.033738][ T6314]  get_tree_bdev+0x3fe/0x620
[  270.055938][ T6314]  ? gfs2_reconfigure+0xcf0/0xcf0
[  270.059040][   T27]  (&ldata->atomic_read_lock
[  270.061004][ T6314]  gfs2_get_tree+0x50/0x210
[  270.061016][   T27] ){+.+.}-{3:3}
[  270.061034][ T6314]  ? bpf_lsm_capable+0x5/0x10
[  270.075937][   T27] , at: n_tty_read+0x6af/0x1db0
[  270.078225][ T6314]  vfs_get_tree+0x88/0x270
[  270.087469][ T6314]  do_new_mount+0x2ba/0xb40
[  270.092019][ T6314]  ? do_move_mount_old+0x160/0x160
[  270.093575][   T27] 1 lock held by syz.0.25/5351:
[  270.097150][ T6314]  ? user_path_at_empty+0x12b/0x180
[  270.097179][ T6314]  __se_sys_mount+0x2d5/0x3c0
[  270.097208][ T6314]  ? __x64_sys_mount+0xc0/0xc0
[  270.097230][ T6314]  ? syscall_enter_from_user_mode+0x2e/0x240
[  270.097253][ T6314]  ? lockdep_hardirqs_on+0x94/0x130
[  270.097281][ T6314]  ? __x64_sys_mount+0x1c/0xc0
[  270.097306][ T6314]  do_syscall_64+0x3b/0xb0
[  270.097328][ T6314]  ? clear_bhb_loop+0x15/0x70
[  270.097353][ T6314]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.097376][ T6314] RIP: 0033:0x7f6914f0490a
[  270.097398][ T6314] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  270.097419][ T6314] RSP: 002b:00007f6914173e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.097446][ T6314] RAX: ffffffffffffffda RBX: 00007f6914173ef0 RCX: 00007f6914f0490a
[  270.097464][ T6314] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6914173eb0
[  270.097481][ T6314] RBP: 0000200000000400 R08: 00007f6914173ef0 R09: 0000000000000000
[  270.097498][ T6314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  270.097514][ T6314] R13: 00007f6914173eb0 R14: 00000000000125bb R15: 00002000000004c0
[  270.097545][ T6314]  </TASK>
[  270.117143][   T27]  #0: 
[  270.118713][ T6314] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.134916][   T27] ffff8880235080e0
[  270.137731][ T6314] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.234486][ T6319] loop2: detected capacity change from 0 to 32768
[  270.242382][   T27]  (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940
[  270.267052][   T27] 1 lock held by syz.3.325/6312:
[  270.272127][   T27]  #0: ffff888147484468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xbe0
[  270.281574][   T27] 2 locks held by syz.5.324/6314:
[  270.286734][   T27]  #0: ffff88802105bd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  270.296315][   T27]  #1: ffff88802118a468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  270.305396][   T27] 2 locks held by syz.4.326/6313:
[  270.310442][   T27]  #0: ffff88802105a118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  270.319861][   T27]  #1: ffff888147487468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  270.329428][   T27] 2 locks held by syz.1.327/6316:
[  270.334452][   T27]  #0: ffff888021056118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  270.344018][   T27]  #1: ffff88814741e468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  270.353491][   T27] 2 locks held by syz.2.328/6319:
[  270.362267][   T27]  #0: ffff888021057d18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  270.372212][   T27]  #1: ffff888147481468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  270.381408][   T27] 
[  270.383837][   T27] =============================================
[  270.383837][   T27] 
[  270.393575][   T27] NMI backtrace for cpu 1
[  270.398016][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[  270.406033][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  270.416196][   T27] Call Trace:
[  270.419596][   T27]  <TASK>
[  270.422555][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  270.427250][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  270.432913][   T27]  ? panic+0x860/0x860
[  270.437127][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  270.442259][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  270.447221][   T27]  ? __wake_up_klogd+0xd5/0x100
[  270.452130][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  270.458314][   T27]  ? _printk+0xd1/0x120
[  270.462496][   T27]  ? panic+0x860/0x860
[  270.466570][   T27]  ? __wake_up_klogd+0xcc/0x100
[  270.471445][   T27]  ? panic+0x860/0x860
[  270.475532][   T27]  ? __rcu_read_unlock+0x92/0x100
[  270.480664][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  270.487084][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  270.493114][   T27]  watchdog+0xe72/0xeb0
[  270.497317][   T27]  kthread+0x3f6/0x4f0
[  270.501401][   T27]  ? hungtask_pm_notify+0x50/0x50
[  270.506569][   T27]  ? kthread_blkcg+0xd0/0xd0
[  270.511176][   T27]  ret_from_fork+0x1f/0x30
[  270.515748][   T27]  </TASK>
[  270.519652][   T27] Sending NMI from CPU 1 to CPUs 0:
[  270.525178][    C0] NMI backtrace for cpu 0
[  270.525192][    C0] CPU: 0 PID: 3507 Comm: jbd2/sda1-8 Not tainted 5.15.180-syzkaller #0
[  270.525211][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  270.525222][    C0] RIP: 0010:cmpxchg_double_slab+0x11f/0x270
[  270.525249][    C0] Code: 02 00 00 0f 84 89 00 00 00 fb e9 83 00 00 00 41 8d 46 20 a8 0f 0f 85 2b 01 00 00 4c 89 f9 4c 89 e2 4c 89 e8 f0 49 0f c7 4e 20 <b0> 01 74 64 eb 5e 49 f7 46 08 01 00 00 00 0f 85 0a 01 00 00 49 8b
[  270.525263][    C0] RSP: 0018:ffffc9000d9570e0 EFLAGS: 00000246
[  270.525279][    C0] RAX: ffff888072f62400 RBX: ffff888072f63800 RCX: 000000008010000d
[  270.525292][    C0] RDX: 000000008010000e RSI: ffffea0001cbd800 RDI: ffff888017441c80
[  270.525305][    C0] RBP: 000000008010000d R08: ffff888072f63800 R09: 000000008010000d
[  270.525316][    C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 000000008010000e
[  270.525328][    C0] R13: ffff888072f62400 R14: ffffea0001cbd800 R15: 000000008010000d
[  270.525340][    C0] FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[  270.525355][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  270.525366][    C0] CR2: 000055555a440608 CR3: 0000000059ce9000 CR4: 00000000003506f0
[  270.525381][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  270.525391][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  270.525401][    C0] Call Trace:
[  270.525406][    C0]  <TASK>
[  270.525416][    C0]  __slab_free+0x69/0x250
[  270.525436][    C0]  ? qlink_free+0x37/0x80
[  270.525453][    C0]  ___cache_free+0xe3/0x100
[  270.525472][    C0]  qlist_free_all+0x36/0x90
[  270.525491][    C0]  kasan_quarantine_reduce+0x162/0x180
[  270.525510][    C0]  __kasan_slab_alloc+0x2f/0xc0
[  270.525538][    C0]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  270.525558][    C0]  ? print_irqtrace_events+0x210/0x210
[  270.525578][    C0]  ? ___slab_alloc+0xd12/0xe10
[  270.525595][    C0]  ? lockdep_hardirqs_on+0x94/0x130
[  270.525617][    C0]  slab_post_alloc_hook+0x53/0x380
[  270.525638][    C0]  ? alloc_buffer_head+0x20/0xf0
[  270.525657][    C0]  kmem_cache_alloc+0xf3/0x280
[  270.525676][    C0]  alloc_buffer_head+0x20/0xf0
[  270.525694][    C0]  alloc_page_buffers+0x3a3/0x660
[  270.525716][    C0]  __getblk_gfp+0x4b4/0xaf0
[  270.525740][    C0]  jbd2_journal_get_descriptor_buffer+0x15a/0x440
[  270.525764][    C0]  ? jbd2_fc_release_bufs+0x120/0x120
[  270.525787][    C0]  journal_submit_commit_record+0x119/0xac0
[  270.525806][    C0]  ? jbd2_journal_commit_transaction+0x3c66/0x6840
[  270.525825][    C0]  ? __lock_acquire+0x1ff0/0x1ff0
[  270.525840][    C0]  ? do_raw_write_lock+0x143/0x4e0
[  270.525860][    C0]  ? journal_end_buffer_io_sync+0x100/0x100
[  270.525879][    C0]  ? do_raw_read_unlock+0x70/0x70
[  270.525901][    C0]  jbd2_journal_commit_transaction+0x3d14/0x6840
[  270.525925][    C0]  ? mark_lock+0x98/0x340
[  270.525967][    C0]  ? jbd2_journal_finish_inode_data_buffers+0xb0/0xb0
[  270.525987][    C0]  ? lockdep_hardirqs_on+0x94/0x130
[  270.526006][    C0]  ? _raw_spin_unlock_irqrestore+0xd9/0x130
[  270.526030][    C0]  ? try_to_del_timer_sync+0x274/0x310
[  270.526053][    C0]  ? del_timer+0x310/0x310
[  270.526076][    C0]  ? timer_delete_sync+0x247/0x2e0
[  270.526095][    C0]  ? try_to_del_timer_sync+0x310/0x310
[  270.526114][    C0]  ? _raw_spin_unlock_irqrestore+0xd9/0x130
[  270.526265][    C0]  ? _raw_spin_unlock+0x40/0x40
[  270.526284][    C0]  ? finish_wait+0xc5/0x1d0
[  270.526302][    C0]  kjournald2+0x4ae/0x940
[  270.526331][    C0]  ? jbd2_seq_info_show+0x5b0/0x5b0
[  270.526351][    C0]  ? init_wait_entry+0xd0/0xd0
[  270.526377][    C0]  kthread+0x3f6/0x4f0
[  270.526395][    C0]  ? jbd2_seq_info_show+0x5b0/0x5b0
[  270.526414][    C0]  ? kthread_blkcg+0xd0/0xd0
[  270.526431][    C0]  ret_from_fork+0x1f/0x30
[  270.526458][    C0]  </TASK>
[  270.529850][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  270.900607][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[  270.908577][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  270.918631][   T27] Call Trace:
[  270.921901][   T27]  <TASK>
[  270.924825][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  270.929535][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  270.935191][   T27]  ? panic+0x860/0x860
[  270.939304][   T27]  panic+0x318/0x860
[  270.943215][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  270.948882][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  270.955048][   T27]  ? fb_is_primary_device+0xd0/0xd0
[  270.960252][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  270.966336][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  270.972486][   T27]  ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[  270.978655][   T27]  ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[  270.984841][   T27]  watchdog+0xeb0/0xeb0
[  270.988999][   T27]  kthread+0x3f6/0x4f0
[  270.993059][   T27]  ? hungtask_pm_notify+0x50/0x50
[  270.998076][   T27]  ? kthread_blkcg+0xd0/0xd0
[  271.002758][   T27]  ret_from_fork+0x1f/0x30
[  271.007177][   T27]  </TASK>
[  271.010469][   T27] Kernel Offset: disabled
[  271.014804][   T27] Rebooting in 86400 seconds..