head+0xa4/0x140
[  245.369188][ T5563]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.373998][ T5563]  ? gfs2_recover_set+0x240/0x240
[  245.379102][ T5563]  ? snprintf+0xe5/0x140
[  245.383466][ T5563]  ? __free_pages+0x95/0x1a0
[  245.388358][ T5563]  ? vscnprintf+0x80/0x80
[  245.392741][ T5563]  gfs2_fill_super+0x11ed/0x1ea0
[  245.397775][ T5563]  ? gfs2_reconfigure+0xd80/0xd80
[  245.402885][ T5563]  ? sb_set_blocksize+0xa5/0xe0
[  245.407773][ T5563]  get_tree_bdev+0x3e6/0x610
[  245.412492][ T5563]  ? gfs2_reconfigure+0xd80/0xd80
[  245.417565][ T5563]  gfs2_get_tree+0x4d/0x1e0
[  245.422128][ T5563]  vfs_get_tree+0x88/0x270
[  245.426682][ T5563]  do_new_mount+0x247/0xa40
[  245.431245][ T5563]  __se_sys_mount+0x2e3/0x3d0
[  245.436114][ T5563]  ? __x64_sys_mount+0xc0/0xc0
[  245.440947][ T5563]  ? lockdep_hardirqs_on+0x94/0x140
[  245.446199][ T5563]  ? __x64_sys_mount+0x1c/0xc0
[  245.451220][ T5563]  do_syscall_64+0x4c/0xa0
[  245.455677][ T5563]  ? clear_bhb_loop+0x30/0x80
[  245.460520][ T5563]  ? clear_bhb_loop+0x30/0x80
[  245.465267][ T5563]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.471218][ T5563] RIP: 0033:0x7fc636086b8a
[  245.475668][ T5563] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  245.495666][ T5563] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.504387][ T5563] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  245.512403][ T5563] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  245.520509][ T5563] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  245.528534][ T5563] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  245.536766][ T5563] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  245.544895][ T5563]  </TASK>
[  245.554962][ T5563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.573448][ T5563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.970653][ T5565] loop1: detected capacity change from 0 to 32768
[  246.024715][ T5565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.039593][ T5565] CPU: 0 PID: 5565 Comm: syz.1.176 Not tainted syzkaller #0
[  246.047072][ T5565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  246.057174][ T5565] Call Trace:
[  246.060516][ T5565]  <TASK>
[  246.063479][ T5565]  dump_stack_lvl+0x188/0x250
[  246.068200][ T5565]  ? show_regs_print_info+0x20/0x20
[  246.073449][ T5565]  ? load_image+0x410/0x410
[  246.078006][ T5565]  sysfs_create_dir_ns+0x26a/0x290
[  246.083175][ T5565]  ? sysfs_warn_dup+0xa0/0xa0
[  246.088080][ T5565]  ? do_raw_spin_unlock+0x11d/0x230
[  246.093572][ T5565]  kobject_add_internal+0x5ba/0xcd0
[  246.098864][ T5565]  kobject_init_and_add+0x128/0x190
[  246.104103][ T5565]  ? lockdep_softirqs_off+0x430/0x430
[  246.109531][ T5565]  ? kobject_add+0x230/0x230
[  246.114578][ T5565]  ? __init_swait_queue_head+0xa4/0x140
[  246.120291][ T5565]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.125102][ T5565]  ? gfs2_recover_set+0x240/0x240
[  246.130293][ T5565]  ? snprintf+0xe5/0x140
[  246.134601][ T5565]  ? __free_pages+0x95/0x1a0
[  246.139332][ T5565]  ? vscnprintf+0x80/0x80
[  246.144019][ T5565]  gfs2_fill_super+0x11ed/0x1ea0
[  246.149195][ T5565]  ? gfs2_reconfigure+0xd80/0xd80
[  246.154314][ T5565]  ? sb_set_blocksize+0xa5/0xe0
[  246.159299][ T5565]  get_tree_bdev+0x3e6/0x610
[  246.163937][ T5565]  ? gfs2_reconfigure+0xd80/0xd80
[  246.169212][ T5565]  gfs2_get_tree+0x4d/0x1e0
[  246.173767][ T5565]  vfs_get_tree+0x88/0x270
[  246.178226][ T5565]  do_new_mount+0x247/0xa40
[  246.182868][ T5565]  __se_sys_mount+0x2e3/0x3d0
[  246.187757][ T5565]  ? __x64_sys_mount+0xc0/0xc0
[  246.192609][ T5565]  ? lockdep_hardirqs_on+0x94/0x140
[  246.197851][ T5565]  ? __x64_sys_mount+0x1c/0xc0
[  246.202758][ T5565]  do_syscall_64+0x4c/0xa0
[  246.207226][ T5565]  ? clear_bhb_loop+0x30/0x80
[  246.211964][ T5565]  ? clear_bhb_loop+0x30/0x80
[  246.216692][ T5565]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.223169][ T5565] RIP: 0033:0x7fc636086b8a
[  246.227631][ T5565] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  246.248103][ T5565] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.256737][ T5565] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  246.264758][ T5565] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  246.272889][ T5565] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  246.281071][ T5565] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  246.289169][ T5565] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  246.297296][ T5565]  </TASK>
[  246.305052][ T5565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.318802][ T5565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.592427][ T5567] loop1: detected capacity change from 0 to 32768
[  246.640967][ T5567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.649891][ T5567] CPU: 1 PID: 5567 Comm: syz.1.177 Not tainted syzkaller #0
[  246.657336][ T5567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  246.667430][ T5567] Call Trace:
[  246.670751][ T5567]  <TASK>
[  246.673766][ T5567]  dump_stack_lvl+0x188/0x250
[  246.678501][ T5567]  ? show_regs_print_info+0x20/0x20
[  246.683845][ T5567]  ? load_image+0x410/0x410
[  246.688414][ T5567]  sysfs_create_dir_ns+0x26a/0x290
[  246.693576][ T5567]  ? sysfs_warn_dup+0xa0/0xa0
[  246.698596][ T5567]  ? do_raw_spin_unlock+0x11d/0x230
[  246.703852][ T5567]  kobject_add_internal+0x5ba/0xcd0
[  246.709116][ T5567]  kobject_init_and_add+0x128/0x190
[  246.714445][ T5567]  ? lockdep_softirqs_off+0x430/0x430
[  246.719873][ T5567]  ? kobject_add+0x230/0x230
[  246.724676][ T5567]  ? __init_swait_queue_head+0xa4/0x140
[  246.730319][ T5567]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.735262][ T5567]  ? gfs2_recover_set+0x240/0x240
[  246.740343][ T5567]  ? snprintf+0xe5/0x140
[  246.744718][ T5567]  ? __free_pages+0x95/0x1a0
[  246.749449][ T5567]  ? vscnprintf+0x80/0x80
[  246.753957][ T5567]  gfs2_fill_super+0x11ed/0x1ea0
[  246.758960][ T5567]  ? gfs2_reconfigure+0xd80/0xd80
[  246.764092][ T5567]  ? sb_set_blocksize+0xa5/0xe0
[  246.768987][ T5567]  get_tree_bdev+0x3e6/0x610
[  246.773614][ T5567]  ? gfs2_reconfigure+0xd80/0xd80
[  246.778682][ T5567]  gfs2_get_tree+0x4d/0x1e0
[  246.783243][ T5567]  vfs_get_tree+0x88/0x270
[  246.787865][ T5567]  do_new_mount+0x247/0xa40
[  246.792443][ T5567]  __se_sys_mount+0x2e3/0x3d0
[  246.797365][ T5567]  ? __x64_sys_mount+0xc0/0xc0
[  246.802191][ T5567]  ? lockdep_hardirqs_on+0x94/0x140
[  246.807781][ T5567]  ? __x64_sys_mount+0x1c/0xc0
[  246.812611][ T5567]  do_syscall_64+0x4c/0xa0
[  246.817211][ T5567]  ? clear_bhb_loop+0x30/0x80
[  246.821965][ T5567]  ? clear_bhb_loop+0x30/0x80
[  246.826703][ T5567]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.832634][ T5567] RIP: 0033:0x7fc636086b8a
[  246.837096][ T5567] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  246.856745][ T5567] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.865652][ T5567] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  246.873671][ T5567] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  246.881952][ T5567] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  246.889978][ T5567] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  246.897998][ T5567] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  246.906060][ T5567]  </TASK>
[  246.915786][ T5567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.929425][ T5567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.230326][ T5569] loop1: detected capacity change from 0 to 32768
[  247.278483][ T5569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.292276][ T5569] CPU: 1 PID: 5569 Comm: syz.1.178 Not tainted syzkaller #0
[  247.299639][ T5569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  247.309854][ T5569] Call Trace:
[  247.313180][ T5569]  <TASK>
[  247.316144][ T5569]  dump_stack_lvl+0x188/0x250
[  247.320952][ T5569]  ? show_regs_print_info+0x20/0x20
[  247.326201][ T5569]  ? load_image+0x410/0x410
[  247.330764][ T5569]  sysfs_create_dir_ns+0x26a/0x290
[  247.335927][ T5569]  ? sysfs_warn_dup+0xa0/0xa0
[  247.340903][ T5569]  ? do_raw_spin_unlock+0x11d/0x230
[  247.346273][ T5569]  kobject_add_internal+0x5ba/0xcd0
[  247.351523][ T5569]  kobject_init_and_add+0x128/0x190
[  247.356811][ T5569]  ? lockdep_softirqs_off+0x430/0x430
[  247.362229][ T5569]  ? kobject_add+0x230/0x230
[  247.366957][ T5569]  ? __init_swait_queue_head+0xa4/0x140
[  247.372750][ T5569]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.377715][ T5569]  ? gfs2_recover_set+0x240/0x240
[  247.382772][ T5569]  ? snprintf+0xe5/0x140
[  247.387051][ T5569]  ? __free_pages+0x95/0x1a0
[  247.391679][ T5569]  ? vscnprintf+0x80/0x80
[  247.396185][ T5569]  gfs2_fill_super+0x11ed/0x1ea0
[  247.401181][ T5569]  ? gfs2_reconfigure+0xd80/0xd80
[  247.406347][ T5569]  ? lockdep_hardirqs_on+0x94/0x140
[  247.411637][ T5569]  get_tree_bdev+0x3e6/0x610
[  247.416292][ T5569]  ? gfs2_reconfigure+0xd80/0xd80
[  247.421372][ T5569]  gfs2_get_tree+0x4d/0x1e0
[  247.425929][ T5569]  vfs_get_tree+0x88/0x270
[  247.430409][ T5569]  do_new_mount+0x247/0xa40
[  247.434976][ T5569]  __se_sys_mount+0x2e3/0x3d0
[  247.439889][ T5569]  ? __x64_sys_mount+0xc0/0xc0
[  247.444703][ T5569]  ? lockdep_hardirqs_on+0x94/0x140
[  247.450046][ T5569]  ? __x64_sys_mount+0x1c/0xc0
[  247.454861][ T5569]  do_syscall_64+0x4c/0xa0
[  247.459320][ T5569]  ? clear_bhb_loop+0x30/0x80
[  247.464257][ T5569]  ? clear_bhb_loop+0x30/0x80
[  247.469007][ T5569]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.474946][ T5569] RIP: 0033:0x7fc636086b8a
[  247.479400][ T5569] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  247.499216][ T5569] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.508040][ T5569] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  247.516751][ T5569] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  247.524882][ T5569] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  247.533081][ T5569] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  247.541105][ T5569] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  247.549133][ T5569]  </TASK>
[  247.554665][ T5569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.568318][ T5569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.926312][ T5571] loop1: detected capacity change from 0 to 32768
[  248.017573][ T5571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.030805][ T5571] CPU: 0 PID: 5571 Comm: syz.1.179 Not tainted syzkaller #0
[  248.038340][ T5571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  248.048793][ T5571] Call Trace:
[  248.052141][ T5571]  <TASK>
[  248.055110][ T5571]  dump_stack_lvl+0x188/0x250
[  248.059881][ T5571]  ? show_regs_print_info+0x20/0x20
[  248.065211][ T5571]  ? load_image+0x410/0x410
[  248.069952][ T5571]  sysfs_create_dir_ns+0x26a/0x290
[  248.075113][ T5571]  ? sysfs_warn_dup+0xa0/0xa0
[  248.079888][ T5571]  ? do_raw_spin_unlock+0x11d/0x230
[  248.085152][ T5571]  kobject_add_internal+0x5ba/0xcd0
[  248.090561][ T5571]  kobject_init_and_add+0x128/0x190
[  248.095815][ T5571]  ? lockdep_softirqs_off+0x430/0x430
[  248.101251][ T5571]  ? kobject_add+0x230/0x230
[  248.106017][ T5571]  ? __init_swait_queue_head+0xa4/0x140
[  248.111618][ T5571]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.116427][ T5571]  ? gfs2_recover_set+0x240/0x240
[  248.121520][ T5571]  ? snprintf+0xe5/0x140
[  248.125799][ T5571]  ? __free_pages+0x95/0x1a0
[  248.130439][ T5571]  ? vscnprintf+0x80/0x80
[  248.134819][ T5571]  gfs2_fill_super+0x11ed/0x1ea0
[  248.139812][ T5571]  ? gfs2_reconfigure+0xd80/0xd80
[  248.144895][ T5571]  ? sb_set_blocksize+0xa5/0xe0
[  248.149906][ T5571]  get_tree_bdev+0x3e6/0x610
[  248.154571][ T5571]  ? gfs2_reconfigure+0xd80/0xd80
[  248.159643][ T5571]  gfs2_get_tree+0x4d/0x1e0
[  248.164288][ T5571]  vfs_get_tree+0x88/0x270
[  248.168850][ T5571]  do_new_mount+0x247/0xa40
[  248.173581][ T5571]  __se_sys_mount+0x2e3/0x3d0
[  248.178311][ T5571]  ? __x64_sys_mount+0xc0/0xc0
[  248.183689][ T5571]  ? lockdep_hardirqs_on+0x94/0x140
[  248.189333][ T5571]  ? __x64_sys_mount+0x1c/0xc0
[  248.194149][ T5571]  do_syscall_64+0x4c/0xa0
[  248.198607][ T5571]  ? clear_bhb_loop+0x30/0x80
[  248.203321][ T5571]  ? clear_bhb_loop+0x30/0x80
[  248.208038][ T5571]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.213971][ T5571] RIP: 0033:0x7fc636086b8a
[  248.218424][ T5571] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  248.238165][ T5571] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.246746][ T5571] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  248.254778][ T5571] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  248.262884][ T5571] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  248.271074][ T5571] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  248.279096][ T5571] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  248.287132][ T5571]  </TASK>
[  248.302995][ T5571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.317558][ T5571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.705689][ T5573] loop1: detected capacity change from 0 to 32768
[  248.761671][ T5573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.769309][ T5573] CPU: 0 PID: 5573 Comm: syz.1.180 Not tainted syzkaller #0
[  248.776725][ T5573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  248.786836][ T5573] Call Trace:
[  248.790271][ T5573]  <TASK>
[  248.793282][ T5573]  dump_stack_lvl+0x188/0x250
[  248.798008][ T5573]  ? show_regs_print_info+0x20/0x20
[  248.803381][ T5573]  ? load_image+0x410/0x410
[  248.807945][ T5573]  sysfs_create_dir_ns+0x26a/0x290
[  248.813116][ T5573]  ? sysfs_warn_dup+0xa0/0xa0
[  248.818002][ T5573]  ? do_raw_spin_unlock+0x11d/0x230
[  248.823271][ T5573]  kobject_add_internal+0x5ba/0xcd0
[  248.828697][ T5573]  kobject_init_and_add+0x128/0x190
[  248.834203][ T5573]  ? lockdep_softirqs_off+0x430/0x430
[  248.840043][ T5573]  ? kobject_add+0x230/0x230
[  248.844821][ T5573]  ? __init_swait_queue_head+0xa4/0x140
[  248.850529][ T5573]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.855630][ T5573]  ? gfs2_recover_set+0x240/0x240
[  248.860802][ T5573]  ? snprintf+0xe5/0x140
[  248.865191][ T5573]  ? __free_pages+0x95/0x1a0
[  248.869919][ T5573]  ? vscnprintf+0x80/0x80
[  248.874390][ T5573]  gfs2_fill_super+0x11ed/0x1ea0
[  248.879474][ T5573]  ? gfs2_reconfigure+0xd80/0xd80
[  248.884824][ T5573]  ? sb_set_blocksize+0xa5/0xe0
[  248.889841][ T5573]  get_tree_bdev+0x3e6/0x610
[  248.894623][ T5573]  ? gfs2_reconfigure+0xd80/0xd80
[  248.899718][ T5573]  gfs2_get_tree+0x4d/0x1e0
[  248.904292][ T5573]  vfs_get_tree+0x88/0x270
[  248.908763][ T5573]  do_new_mount+0x247/0xa40
[  248.913409][ T5573]  __se_sys_mount+0x2e3/0x3d0
[  248.918146][ T5573]  ? __x64_sys_mount+0xc0/0xc0
[  248.922997][ T5573]  ? lockdep_hardirqs_on+0x94/0x140
[  248.928233][ T5573]  ? __x64_sys_mount+0x1c/0xc0
[  248.933038][ T5573]  do_syscall_64+0x4c/0xa0
[  248.937522][ T5573]  ? clear_bhb_loop+0x30/0x80
[  248.942335][ T5573]  ? clear_bhb_loop+0x30/0x80
[  248.947058][ T5573]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.953006][ T5573] RIP: 0033:0x7fc636086b8a
[  248.957468][ T5573] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  248.977296][ T5573] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.985942][ T5573] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  248.994049][ T5573] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  249.002061][ T5573] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  249.010070][ T5573] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  249.018086][ T5573] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  249.026370][ T5573]  </TASK>
[  249.041862][ T5573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.056700][ T5573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.392102][ T5575] loop1: detected capacity change from 0 to 32768
[  249.451287][ T5575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.459978][ T5575] CPU: 1 PID: 5575 Comm: syz.1.181 Not tainted syzkaller #0
[  249.467351][ T5575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  249.477541][ T5575] Call Trace:
[  249.480866][ T5575]  <TASK>
[  249.483842][ T5575]  dump_stack_lvl+0x188/0x250
[  249.488580][ T5575]  ? show_regs_print_info+0x20/0x20
[  249.493867][ T5575]  ? load_image+0x410/0x410
[  249.498425][ T5575]  sysfs_create_dir_ns+0x26a/0x290
[  249.503614][ T5575]  ? sysfs_warn_dup+0xa0/0xa0
[  249.508342][ T5575]  ? do_raw_spin_unlock+0x11d/0x230
[  249.513924][ T5575]  kobject_add_internal+0x5ba/0xcd0
[  249.519182][ T5575]  kobject_init_and_add+0x128/0x190
[  249.524481][ T5575]  ? lockdep_softirqs_off+0x430/0x430
[  249.529931][ T5575]  ? kobject_add+0x230/0x230
[  249.534585][ T5575]  ? __init_swait_queue_head+0xa4/0x140
[  249.540280][ T5575]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.545109][ T5575]  ? gfs2_recover_set+0x240/0x240
[  249.550167][ T5575]  ? snprintf+0xe5/0x140
[  249.554614][ T5575]  ? __free_pages+0x95/0x1a0
[  249.559333][ T5575]  ? vscnprintf+0x80/0x80
[  249.563718][ T5575]  gfs2_fill_super+0x11ed/0x1ea0
[  249.568702][ T5575]  ? gfs2_reconfigure+0xd80/0xd80
[  249.573819][ T5575]  ? sb_set_blocksize+0xa5/0xe0
[  249.578721][ T5575]  get_tree_bdev+0x3e6/0x610
[  249.583359][ T5575]  ? gfs2_reconfigure+0xd80/0xd80
[  249.588456][ T5575]  gfs2_get_tree+0x4d/0x1e0
[  249.593014][ T5575]  vfs_get_tree+0x88/0x270
[  249.597484][ T5575]  do_new_mount+0x247/0xa40
[  249.602039][ T5575]  __se_sys_mount+0x2e3/0x3d0
[  249.606955][ T5575]  ? __x64_sys_mount+0xc0/0xc0
[  249.611763][ T5575]  ? lockdep_hardirqs_on+0x94/0x140
[  249.617003][ T5575]  ? __x64_sys_mount+0x1c/0xc0
[  249.622186][ T5575]  do_syscall_64+0x4c/0xa0
[  249.626765][ T5575]  ? clear_bhb_loop+0x30/0x80
[  249.631506][ T5575]  ? clear_bhb_loop+0x30/0x80
[  249.636233][ T5575]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.642174][ T5575] RIP: 0033:0x7fc636086b8a
[  249.646641][ T5575] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  249.666462][ T5575] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.674923][ T5575] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  249.683082][ T5575] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  249.691484][ T5575] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  249.699906][ T5575] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  249.708512][ T5575] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  249.716668][ T5575]  </TASK>
[  249.723746][ T5575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.737246][ T5575] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/27 01:05:23 executed programs: 168
[  250.139059][ T5577] loop1: detected capacity change from 0 to 32768
[  250.178367][ T5577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.190549][ T5577] CPU: 1 PID: 5577 Comm: syz.1.182 Not tainted syzkaller #0
[  250.197910][ T5577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  250.208005][ T5577] Call Trace:
[  250.211578][ T5577]  <TASK>
[  250.214543][ T5577]  dump_stack_lvl+0x188/0x250
[  250.219257][ T5577]  ? show_regs_print_info+0x20/0x20
[  250.224494][ T5577]  ? load_image+0x410/0x410
[  250.229142][ T5577]  sysfs_create_dir_ns+0x26a/0x290
[  250.234481][ T5577]  ? sysfs_warn_dup+0xa0/0xa0
[  250.239212][ T5577]  ? do_raw_spin_unlock+0x11d/0x230
[  250.244826][ T5577]  kobject_add_internal+0x5ba/0xcd0
[  250.250152][ T5577]  kobject_init_and_add+0x128/0x190
[  250.255811][ T5577]  ? lockdep_softirqs_off+0x430/0x430
[  250.261238][ T5577]  ? kobject_add+0x230/0x230
[  250.265890][ T5577]  ? __init_swait_queue_head+0xa4/0x140
[  250.271485][ T5577]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.276301][ T5577]  ? gfs2_recover_set+0x240/0x240
[  250.281458][ T5577]  ? snprintf+0xe5/0x140
[  250.285826][ T5577]  ? __free_pages+0x95/0x1a0
[  250.290479][ T5577]  ? vscnprintf+0x80/0x80
[  250.294856][ T5577]  gfs2_fill_super+0x11ed/0x1ea0
[  250.300111][ T5577]  ? gfs2_reconfigure+0xd80/0xd80
[  250.305199][ T5577]  ? sb_set_blocksize+0xa5/0xe0
[  250.310124][ T5577]  get_tree_bdev+0x3e6/0x610
[  250.314794][ T5577]  ? gfs2_reconfigure+0xd80/0xd80
[  250.319856][ T5577]  gfs2_get_tree+0x4d/0x1e0
[  250.324522][ T5577]  vfs_get_tree+0x88/0x270
[  250.329067][ T5577]  do_new_mount+0x247/0xa40
[  250.333610][ T5577]  __se_sys_mount+0x2e3/0x3d0
[  250.338325][ T5577]  ? __x64_sys_mount+0xc0/0xc0
[  250.343127][ T5577]  ? lockdep_hardirqs_on+0x94/0x140
[  250.348368][ T5577]  ? __x64_sys_mount+0x1c/0xc0
[  250.353187][ T5577]  do_syscall_64+0x4c/0xa0
[  250.357640][ T5577]  ? clear_bhb_loop+0x30/0x80
[  250.362350][ T5577]  ? clear_bhb_loop+0x30/0x80
[  250.367202][ T5577]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.373257][ T5577] RIP: 0033:0x7fc636086b8a
[  250.377791][ T5577] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  250.397520][ T5577] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.406072][ T5577] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  250.414087][ T5577] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  250.422282][ T5577] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  250.430423][ T5577] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  250.438436][ T5577] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  250.446470][ T5577]  </TASK>
[  250.456296][ T5577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.469703][ T5577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.737143][ T5579] loop1: detected capacity change from 0 to 32768
[  250.805430][ T5579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.813202][ T5579] CPU: 0 PID: 5579 Comm: syz.1.183 Not tainted syzkaller #0
[  250.820532][ T5579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  250.830713][ T5579] Call Trace:
[  250.834233][ T5579]  <TASK>
[  250.837205][ T5579]  dump_stack_lvl+0x188/0x250
[  250.841946][ T5579]  ? show_regs_print_info+0x20/0x20
[  250.847277][ T5579]  ? load_image+0x410/0x410
[  250.851940][ T5579]  sysfs_create_dir_ns+0x26a/0x290
[  250.857141][ T5579]  ? sysfs_warn_dup+0xa0/0xa0
[  250.861868][ T5579]  ? do_raw_spin_unlock+0x11d/0x230
[  250.867129][ T5579]  kobject_add_internal+0x5ba/0xcd0
[  250.872389][ T5579]  kobject_init_and_add+0x128/0x190
[  250.877637][ T5579]  ? lockdep_softirqs_off+0x430/0x430
[  250.883173][ T5579]  ? kobject_add+0x230/0x230
[  250.887947][ T5579]  ? __init_swait_queue_head+0xa4/0x140
[  250.893567][ T5579]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.898400][ T5579]  ? gfs2_recover_set+0x240/0x240
[  250.903485][ T5579]  ? snprintf+0xe5/0x140
[  250.907858][ T5579]  ? __free_pages+0x95/0x1a0
[  250.912491][ T5579]  ? vscnprintf+0x80/0x80
[  250.916872][ T5579]  gfs2_fill_super+0x11ed/0x1ea0
[  250.921866][ T5579]  ? gfs2_reconfigure+0xd80/0xd80
[  250.926996][ T5579]  ? sb_set_blocksize+0xa5/0xe0
[  250.931919][ T5579]  get_tree_bdev+0x3e6/0x610
[  250.936786][ T5579]  ? gfs2_reconfigure+0xd80/0xd80
[  250.941856][ T5579]  gfs2_get_tree+0x4d/0x1e0
[  250.946402][ T5579]  vfs_get_tree+0x88/0x270
[  250.950862][ T5579]  do_new_mount+0x247/0xa40
[  250.955412][ T5579]  __se_sys_mount+0x2e3/0x3d0
[  250.960133][ T5579]  ? __x64_sys_mount+0xc0/0xc0
[  250.964942][ T5579]  ? lockdep_hardirqs_on+0x94/0x140
[  250.970186][ T5579]  ? __x64_sys_mount+0x1c/0xc0
[  250.974996][ T5579]  do_syscall_64+0x4c/0xa0
[  250.979468][ T5579]  ? clear_bhb_loop+0x30/0x80
[  250.984194][ T5579]  ? clear_bhb_loop+0x30/0x80
[  250.988922][ T5579]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.994862][ T5579] RIP: 0033:0x7fc636086b8a
[  250.999416][ T5579] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  251.019160][ T5579] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.027718][ T5579] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  251.035740][ T5579] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  251.043772][ T5579] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  251.051890][ T5579] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  251.059913][ T5579] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  251.068089][ T5579]  </TASK>
[  251.077033][ T5579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.090644][ T5579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.373358][ T5581] loop1: detected capacity change from 0 to 32768
[  251.423789][ T5581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.434368][ T5581] CPU: 0 PID: 5581 Comm: syz.1.184 Not tainted syzkaller #0
[  251.441836][ T5581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  251.452304][ T5581] Call Trace:
[  251.455729][ T5581]  <TASK>
[  251.458694][ T5581]  dump_stack_lvl+0x188/0x250
[  251.463644][ T5581]  ? show_regs_print_info+0x20/0x20
[  251.468892][ T5581]  ? load_image+0x410/0x410
[  251.473456][ T5581]  sysfs_create_dir_ns+0x26a/0x290
[  251.478724][ T5581]  ? sysfs_warn_dup+0xa0/0xa0
[  251.483461][ T5581]  ? do_raw_spin_unlock+0x11d/0x230
[  251.488854][ T5581]  kobject_add_internal+0x5ba/0xcd0
[  251.494446][ T5581]  kobject_init_and_add+0x128/0x190
[  251.499910][ T5581]  ? lockdep_softirqs_off+0x430/0x430
[  251.505443][ T5581]  ? kobject_add+0x230/0x230
[  251.510268][ T5581]  ? __init_swait_queue_head+0xa4/0x140
[  251.515954][ T5581]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.520936][ T5581]  ? gfs2_recover_set+0x240/0x240
[  251.526000][ T5581]  ? snprintf+0xe5/0x140
[  251.530283][ T5581]  ? __free_pages+0x95/0x1a0
[  251.534910][ T5581]  ? vscnprintf+0x80/0x80
[  251.539295][ T5581]  gfs2_fill_super+0x11ed/0x1ea0
[  251.544651][ T5581]  ? gfs2_reconfigure+0xd80/0xd80
[  251.549932][ T5581]  ? sb_set_blocksize+0xa5/0xe0
[  251.554840][ T5581]  get_tree_bdev+0x3e6/0x610
[  251.559492][ T5581]  ? gfs2_reconfigure+0xd80/0xd80
[  251.564569][ T5581]  gfs2_get_tree+0x4d/0x1e0
[  251.569129][ T5581]  vfs_get_tree+0x88/0x270
[  251.573596][ T5581]  do_new_mount+0x247/0xa40
[  251.578317][ T5581]  __se_sys_mount+0x2e3/0x3d0
[  251.583055][ T5581]  ? __x64_sys_mount+0xc0/0xc0
[  251.587884][ T5581]  ? lockdep_hardirqs_on+0x94/0x140
[  251.593138][ T5581]  ? __x64_sys_mount+0x1c/0xc0
[  251.597961][ T5581]  do_syscall_64+0x4c/0xa0
[  251.602507][ T5581]  ? clear_bhb_loop+0x30/0x80
[  251.607237][ T5581]  ? clear_bhb_loop+0x30/0x80
[  251.611999][ T5581]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.617940][ T5581] RIP: 0033:0x7fc636086b8a
[  251.622484][ T5581] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  251.642135][ T5581] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.650603][ T5581] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  251.658613][ T5581] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  251.666833][ T5581] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  251.675065][ T5581] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  251.683075][ T5581] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  251.691067][ T5581]  </TASK>
[  251.698941][ T5581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.715461][ T5581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.097572][ T5583] loop1: detected capacity change from 0 to 32768
[  252.117859][ T5583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.125874][ T5583] CPU: 0 PID: 5583 Comm: syz.1.185 Not tainted syzkaller #0
[  252.133330][ T5583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  252.143645][ T5583] Call Trace:
[  252.147056][ T5583]  <TASK>
[  252.150027][ T5583]  dump_stack_lvl+0x188/0x250
[  252.154759][ T5583]  ? show_regs_print_info+0x20/0x20
[  252.160005][ T5583]  ? load_image+0x410/0x410
[  252.164572][ T5583]  sysfs_create_dir_ns+0x26a/0x290
[  252.169994][ T5583]  ? sysfs_warn_dup+0xa0/0xa0
[  252.174723][ T5583]  ? do_raw_spin_unlock+0x11d/0x230
[  252.180237][ T5583]  kobject_add_internal+0x5ba/0xcd0
[  252.185582][ T5583]  kobject_init_and_add+0x128/0x190
[  252.190829][ T5583]  ? lockdep_softirqs_off+0x430/0x430
[  252.196260][ T5583]  ? kobject_add+0x230/0x230
[  252.200903][ T5583]  ? __init_swait_queue_head+0xa4/0x140
[  252.206584][ T5583]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.211668][ T5583]  ? gfs2_recover_set+0x240/0x240
[  252.216824][ T5583]  ? snprintf+0xe5/0x140
[  252.221107][ T5583]  ? __free_pages+0x95/0x1a0
[  252.225831][ T5583]  ? vscnprintf+0x80/0x80
[  252.230203][ T5583]  gfs2_fill_super+0x11ed/0x1ea0
[  252.235825][ T5583]  ? gfs2_reconfigure+0xd80/0xd80
[  252.240995][ T5583]  ? sb_set_blocksize+0xa5/0xe0
[  252.246349][ T5583]  get_tree_bdev+0x3e6/0x610
[  252.251070][ T5583]  ? gfs2_reconfigure+0xd80/0xd80
[  252.256137][ T5583]  gfs2_get_tree+0x4d/0x1e0
[  252.260740][ T5583]  vfs_get_tree+0x88/0x270
[  252.265208][ T5583]  do_new_mount+0x247/0xa40
[  252.269763][ T5583]  __se_sys_mount+0x2e3/0x3d0
[  252.274687][ T5583]  ? __x64_sys_mount+0xc0/0xc0
[  252.279530][ T5583]  ? lockdep_hardirqs_on+0x94/0x140
[  252.285017][ T5583]  ? __x64_sys_mount+0x1c/0xc0
[  252.290489][ T5583]  do_syscall_64+0x4c/0xa0
[  252.294966][ T5583]  ? clear_bhb_loop+0x30/0x80
[  252.299721][ T5583]  ? clear_bhb_loop+0x30/0x80
[  252.304438][ T5583]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.310375][ T5583] RIP: 0033:0x7fc636086b8a
[  252.314873][ T5583] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  252.334708][ T5583] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.343267][ T5583] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  252.351282][ T5583] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  252.359292][ T5583] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  252.367579][ T5583] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  252.375688][ T5583] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  252.384006][ T5583]  </TASK>
[  252.392262][ T5583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.405514][ T5583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.821865][ T5585] loop1: detected capacity change from 0 to 32768
[  252.870942][ T5585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.878534][ T5585] CPU: 1 PID: 5585 Comm: syz.1.186 Not tainted syzkaller #0
[  252.885866][ T5585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  252.896045][ T5585] Call Trace:
[  252.899361][ T5585]  <TASK>
[  252.902326][ T5585]  dump_stack_lvl+0x188/0x250
[  252.907046][ T5585]  ? show_regs_print_info+0x20/0x20
[  252.912285][ T5585]  ? load_image+0x410/0x410
[  252.916962][ T5585]  sysfs_create_dir_ns+0x26a/0x290
[  252.922148][ T5585]  ? sysfs_warn_dup+0xa0/0xa0
[  252.926866][ T5585]  ? do_raw_spin_unlock+0x11d/0x230
[  252.932110][ T5585]  kobject_add_internal+0x5ba/0xcd0
[  252.937411][ T5585]  kobject_init_and_add+0x128/0x190
[  252.942672][ T5585]  ? lockdep_softirqs_off+0x430/0x430
[  252.948099][ T5585]  ? kobject_add+0x230/0x230
[  252.952758][ T5585]  ? __init_swait_queue_head+0xa4/0x140
[  252.958376][ T5585]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.963193][ T5585]  ? gfs2_recover_set+0x240/0x240
[  252.968280][ T5585]  ? snprintf+0xe5/0x140
[  252.972565][ T5585]  ? __free_pages+0x95/0x1a0
[  252.977203][ T5585]  ? vscnprintf+0x80/0x80
[  252.981586][ T5585]  gfs2_fill_super+0x11ed/0x1ea0
[  252.986575][ T5585]  ? gfs2_reconfigure+0xd80/0xd80
[  252.992104][ T5585]  ? sb_set_blocksize+0xa5/0xe0
[  252.997261][ T5585]  get_tree_bdev+0x3e6/0x610
[  253.001912][ T5585]  ? gfs2_reconfigure+0xd80/0xd80
[  253.006987][ T5585]  gfs2_get_tree+0x4d/0x1e0
[  253.011534][ T5585]  vfs_get_tree+0x88/0x270
[  253.016026][ T5585]  do_new_mount+0x247/0xa40
[  253.020609][ T5585]  __se_sys_mount+0x2e3/0x3d0
[  253.025644][ T5585]  ? __x64_sys_mount+0xc0/0xc0
[  253.030454][ T5585]  ? lockdep_hardirqs_on+0x94/0x140
[  253.035784][ T5585]  ? __x64_sys_mount+0x1c/0xc0
[  253.040597][ T5585]  do_syscall_64+0x4c/0xa0
[  253.045063][ T5585]  ? clear_bhb_loop+0x30/0x80
[  253.049815][ T5585]  ? clear_bhb_loop+0x30/0x80
[  253.054664][ T5585]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.060719][ T5585] RIP: 0033:0x7fc636086b8a
[  253.065178][ T5585] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  253.084827][ T5585] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.093335][ T5585] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  253.101521][ T5585] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  253.109806][ T5585] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  253.117842][ T5585] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  253.125960][ T5585] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  253.133984][ T5585]  </TASK>
[  253.144333][ T5585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.159058][ T5585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.531648][ T5587] loop1: detected capacity change from 0 to 32768
[  253.605517][ T5587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.613976][ T5587] CPU: 0 PID: 5587 Comm: syz.1.187 Not tainted syzkaller #0
[  253.621318][ T5587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  253.631411][ T5587] Call Trace:
[  253.634758][ T5587]  <TASK>
[  253.637720][ T5587]  dump_stack_lvl+0x188/0x250
[  253.642526][ T5587]  ? show_regs_print_info+0x20/0x20
[  253.647800][ T5587]  ? load_image+0x410/0x410
[  253.652372][ T5587]  sysfs_create_dir_ns+0x26a/0x290
[  253.657530][ T5587]  ? sysfs_warn_dup+0xa0/0xa0
[  253.662253][ T5587]  ? do_raw_spin_unlock+0x11d/0x230
[  253.667501][ T5587]  kobject_add_internal+0x5ba/0xcd0
[  253.672961][ T5587]  kobject_init_and_add+0x128/0x190
[  253.678283][ T5587]  ? lockdep_softirqs_off+0x430/0x430
[  253.683707][ T5587]  ? kobject_add+0x230/0x230
[  253.688350][ T5587]  ? __init_swait_queue_head+0xa4/0x140
[  253.694045][ T5587]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.699033][ T5587]  ? gfs2_recover_set+0x240/0x240
[  253.704110][ T5587]  ? snprintf+0xe5/0x140
[  253.708392][ T5587]  ? __free_pages+0x95/0x1a0
[  253.713022][ T5587]  ? vscnprintf+0x80/0x80
[  253.717480][ T5587]  gfs2_fill_super+0x11ed/0x1ea0
[  253.722497][ T5587]  ? gfs2_reconfigure+0xd80/0xd80
[  253.727802][ T5587]  ? sb_set_blocksize+0xa5/0xe0
[  253.732691][ T5587]  get_tree_bdev+0x3e6/0x610
[  253.737318][ T5587]  ? gfs2_reconfigure+0xd80/0xd80
[  253.742386][ T5587]  gfs2_get_tree+0x4d/0x1e0
[  253.746928][ T5587]  vfs_get_tree+0x88/0x270
[  253.751561][ T5587]  do_new_mount+0x247/0xa40
[  253.756240][ T5587]  __se_sys_mount+0x2e3/0x3d0
[  253.761002][ T5587]  ? __x64_sys_mount+0xc0/0xc0
[  253.765801][ T5587]  ? lockdep_hardirqs_on+0x94/0x140
[  253.771190][ T5587]  ? __x64_sys_mount+0x1c/0xc0
[  253.775991][ T5587]  do_syscall_64+0x4c/0xa0
[  253.780421][ T5587]  ? clear_bhb_loop+0x30/0x80
[  253.785213][ T5587]  ? clear_bhb_loop+0x30/0x80
[  253.789910][ T5587]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.795810][ T5587] RIP: 0033:0x7fc636086b8a
[  253.800321][ T5587] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  253.820236][ T5587] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.828671][ T5587] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  253.836776][ T5587] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  253.844860][ T5587] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  253.852860][ T5587] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  253.860841][ T5587] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  253.868847][ T5587]  </TASK>
[  253.879484][ T5587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.893723][ T5587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.271583][ T5589] loop1: detected capacity change from 0 to 32768
[  254.341117][ T5589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.353019][ T5589] CPU: 0 PID: 5589 Comm: syz.1.188 Not tainted syzkaller #0
[  254.360374][ T5589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  254.370490][ T5589] Call Trace:
[  254.374330][ T5589]  <TASK>
[  254.377297][ T5589]  dump_stack_lvl+0x188/0x250
[  254.382028][ T5589]  ? show_regs_print_info+0x20/0x20
[  254.387281][ T5589]  ? load_image+0x410/0x410
[  254.391868][ T5589]  sysfs_create_dir_ns+0x26a/0x290
[  254.397032][ T5589]  ? sysfs_warn_dup+0xa0/0xa0
[  254.401755][ T5589]  ? do_raw_spin_unlock+0x11d/0x230
[  254.407183][ T5589]  kobject_add_internal+0x5ba/0xcd0
[  254.412447][ T5589]  kobject_init_and_add+0x128/0x190
[  254.417687][ T5589]  ? lockdep_softirqs_off+0x430/0x430
[  254.423100][ T5589]  ? kobject_add+0x230/0x230
[  254.427749][ T5589]  ? __init_swait_queue_head+0xa4/0x140
[  254.433357][ T5589]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.438267][ T5589]  ? gfs2_recover_set+0x240/0x240
[  254.443508][ T5589]  ? snprintf+0xe5/0x140
[  254.447807][ T5589]  ? __free_pages+0x95/0x1a0
[  254.452615][ T5589]  ? vscnprintf+0x80/0x80
[  254.457020][ T5589]  gfs2_fill_super+0x11ed/0x1ea0
[  254.462127][ T5589]  ? gfs2_reconfigure+0xd80/0xd80
[  254.467209][ T5589]  ? sb_set_blocksize+0xa5/0xe0
[  254.472100][ T5589]  get_tree_bdev+0x3e6/0x610
[  254.476731][ T5589]  ? gfs2_reconfigure+0xd80/0xd80
[  254.481807][ T5589]  gfs2_get_tree+0x4d/0x1e0
[  254.486355][ T5589]  vfs_get_tree+0x88/0x270
[  254.490846][ T5589]  do_new_mount+0x247/0xa40
[  254.495396][ T5589]  __se_sys_mount+0x2e3/0x3d0
[  254.500142][ T5589]  ? __x64_sys_mount+0xc0/0xc0
[  254.505088][ T5589]  ? lockdep_hardirqs_on+0x94/0x140
[  254.510333][ T5589]  ? __x64_sys_mount+0x1c/0xc0
[  254.515152][ T5589]  do_syscall_64+0x4c/0xa0
[  254.519718][ T5589]  ? clear_bhb_loop+0x30/0x80
[  254.524441][ T5589]  ? clear_bhb_loop+0x30/0x80
[  254.529169][ T5589]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.535196][ T5589] RIP: 0033:0x7fc636086b8a
[  254.539737][ T5589] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  254.559552][ T5589] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.568010][ T5589] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  254.576042][ T5589] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  254.584060][ T5589] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  254.592068][ T5589] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  254.600261][ T5589] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  254.608730][ T5589]  </TASK>
[  254.619419][ T5589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.635037][ T5589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.083968][ T5591] loop1: detected capacity change from 0 to 32768
[  255.103663][ T5591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.111104][ T5591] CPU: 1 PID: 5591 Comm: syz.1.189 Not tainted syzkaller #0
[  255.118509][ T5591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  255.128602][ T5591] Call Trace:
[  255.131916][ T5591]  <TASK>
[  255.134881][ T5591]  dump_stack_lvl+0x188/0x250
[  255.139703][ T5591]  ? show_regs_print_info+0x20/0x20
[  255.145092][ T5591]  ? load_image+0x410/0x410
[  255.149692][ T5591]  sysfs_create_dir_ns+0x26a/0x290
[  255.154854][ T5591]  ? sysfs_warn_dup+0xa0/0xa0
[  255.159589][ T5591]  ? do_raw_spin_unlock+0x11d/0x230
[  255.164840][ T5591]  kobject_add_internal+0x5ba/0xcd0
[  255.170091][ T5591]  kobject_init_and_add+0x128/0x190
[  255.175513][ T5591]  ? lockdep_softirqs_off+0x430/0x430
[  255.180947][ T5591]  ? kobject_add+0x230/0x230
[  255.185716][ T5591]  ? __init_swait_queue_head+0xa4/0x140
[  255.191319][ T5591]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.196140][ T5591]  ? gfs2_recover_set+0x240/0x240
[  255.201220][ T5591]  ? snprintf+0xe5/0x140
[  255.205513][ T5591]  ? __free_pages+0x95/0x1a0
[  255.210158][ T5591]  ? vscnprintf+0x80/0x80
[  255.214539][ T5591]  gfs2_fill_super+0x11ed/0x1ea0
[  255.219619][ T5591]  ? gfs2_reconfigure+0xd80/0xd80
[  255.224720][ T5591]  ? sb_set_blocksize+0xa5/0xe0
[  255.229642][ T5591]  get_tree_bdev+0x3e6/0x610
[  255.234283][ T5591]  ? gfs2_reconfigure+0xd80/0xd80
[  255.239365][ T5591]  gfs2_get_tree+0x4d/0x1e0
[  255.244122][ T5591]  vfs_get_tree+0x88/0x270
[  255.248691][ T5591]  do_new_mount+0x247/0xa40
[  255.253252][ T5591]  __se_sys_mount+0x2e3/0x3d0
[  255.257973][ T5591]  ? __x64_sys_mount+0xc0/0xc0
[  255.262794][ T5591]  ? lockdep_hardirqs_on+0x94/0x140
[  255.268057][ T5591]  ? __x64_sys_mount+0x1c/0xc0
[  255.272891][ T5591]  do_syscall_64+0x4c/0xa0
[  255.277516][ T5591]  ? clear_bhb_loop+0x30/0x80
[  255.282250][ T5591]  ? clear_bhb_loop+0x30/0x80
[  255.287048][ T5591]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.292977][ T5591] RIP: 0033:0x7fc636086b8a
[  255.297525][ T5591] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  255.317347][ T5591] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.325814][ T5591] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  255.334114][ T5591] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  255.342321][ T5591] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  255.350355][ T5591] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  255.358559][ T5591] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  255.366590][ T5591]  </TASK>
[  255.375835][ T5591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.389418][ T5591] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/27 01:05:29 executed programs: 176
[  255.661891][ T5593] loop1: detected capacity change from 0 to 32768
[  255.721198][ T5593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.729695][ T5593] CPU: 1 PID: 5593 Comm: syz.1.190 Not tainted syzkaller #0
[  255.737045][ T5593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  255.747152][ T5593] Call Trace:
[  255.750530][ T5593]  <TASK>
[  255.753500][ T5593]  dump_stack_lvl+0x188/0x250
[  255.758227][ T5593]  ? show_regs_print_info+0x20/0x20
[  255.763480][ T5593]  ? load_image+0x410/0x410
[  255.768053][ T5593]  sysfs_create_dir_ns+0x26a/0x290
[  255.773348][ T5593]  ? sysfs_warn_dup+0xa0/0xa0
[  255.778157][ T5593]  ? do_raw_spin_unlock+0x11d/0x230
[  255.783417][ T5593]  kobject_add_internal+0x5ba/0xcd0
[  255.788668][ T5593]  kobject_init_and_add+0x128/0x190
[  255.793914][ T5593]  ? lockdep_softirqs_off+0x430/0x430
[  255.799337][ T5593]  ? kobject_add+0x230/0x230
[  255.804261][ T5593]  ? __init_swait_queue_head+0xa4/0x140
[  255.809857][ T5593]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.814670][ T5593]  ? gfs2_recover_set+0x240/0x240
[  255.819741][ T5593]  ? snprintf+0xe5/0x140
[  255.824026][ T5593]  ? __free_pages+0x95/0x1a0
[  255.828675][ T5593]  ? vscnprintf+0x80/0x80
[  255.833071][ T5593]  gfs2_fill_super+0x11ed/0x1ea0
[  255.838063][ T5593]  ? gfs2_reconfigure+0xd80/0xd80
[  255.843145][ T5593]  ? sb_set_blocksize+0xa5/0xe0
[  255.848315][ T5593]  get_tree_bdev+0x3e6/0x610
[  255.852948][ T5593]  ? gfs2_reconfigure+0xd80/0xd80
[  255.858009][ T5593]  gfs2_get_tree+0x4d/0x1e0
[  255.862552][ T5593]  vfs_get_tree+0x88/0x270
[  255.867222][ T5593]  do_new_mount+0x247/0xa40
[  255.871780][ T5593]  __se_sys_mount+0x2e3/0x3d0
[  255.876792][ T5593]  ? __x64_sys_mount+0xc0/0xc0
[  255.879190][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[  255.881789][ T5593]  ? lockdep_hardirqs_on+0x94/0x140
[  255.881834][ T5593]  ? __x64_sys_mount+0x1c/0xc0
[  255.888431][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[  255.893296][ T5593]  do_syscall_64+0x4c/0xa0
[  255.893322][ T5593]  ? clear_bhb_loop+0x30/0x80
[  255.893344][ T5593]  ? clear_bhb_loop+0x30/0x80
[  255.918211][ T5593]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.924491][ T5593] RIP: 0033:0x7fc636086b8a
[  255.928997][ T5593] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  255.948652][ T5593] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.957120][ T5593] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  255.965138][ T5593] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  255.973253][ T5593] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  255.981335][ T5593] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  255.989345][ T5593] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  255.997374][ T5593]  </TASK>
[  256.021724][ T5593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.035545][ T5593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.306525][ T5595] loop1: detected capacity change from 0 to 32768
[  256.324714][ T5595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.332190][ T5595] CPU: 1 PID: 5595 Comm: syz.1.191 Not tainted syzkaller #0
[  256.339649][ T5595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  256.349759][ T5595] Call Trace:
[  256.353080][ T5595]  <TASK>
[  256.356047][ T5595]  dump_stack_lvl+0x188/0x250
[  256.360765][ T5595]  ? show_regs_print_info+0x20/0x20
[  256.366095][ T5595]  ? load_image+0x410/0x410
[  256.370744][ T5595]  sysfs_create_dir_ns+0x26a/0x290
[  256.375990][ T5595]  ? sysfs_warn_dup+0xa0/0xa0
[  256.380709][ T5595]  ? do_raw_spin_unlock+0x11d/0x230
[  256.386043][ T5595]  kobject_add_internal+0x5ba/0xcd0
[  256.391298][ T5595]  kobject_init_and_add+0x128/0x190
[  256.396639][ T5595]  ? lockdep_softirqs_off+0x430/0x430
[  256.402273][ T5595]  ? kobject_add+0x230/0x230
[  256.407118][ T5595]  ? __init_swait_queue_head+0xa4/0x140
[  256.413011][ T5595]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.417833][ T5595]  ? gfs2_recover_set+0x240/0x240
[  256.423032][ T5595]  ? snprintf+0xe5/0x140
[  256.427329][ T5595]  ? __free_pages+0x95/0x1a0
[  256.431972][ T5595]  ? vscnprintf+0x80/0x80
[  256.436356][ T5595]  gfs2_fill_super+0x11ed/0x1ea0
[  256.441515][ T5595]  ? gfs2_reconfigure+0xd80/0xd80
[  256.446605][ T5595]  ? sb_set_blocksize+0xa5/0xe0
[  256.451493][ T5595]  get_tree_bdev+0x3e6/0x610
[  256.456135][ T5595]  ? gfs2_reconfigure+0xd80/0xd80
[  256.461231][ T5595]  gfs2_get_tree+0x4d/0x1e0
[  256.465874][ T5595]  vfs_get_tree+0x88/0x270
[  256.470417][ T5595]  do_new_mount+0x247/0xa40
[  256.475145][ T5595]  __se_sys_mount+0x2e3/0x3d0
[  256.480294][ T5595]  ? __x64_sys_mount+0xc0/0xc0
[  256.485105][ T5595]  ? lockdep_hardirqs_on+0x94/0x140
[  256.490428][ T5595]  ? __x64_sys_mount+0x1c/0xc0
[  256.495234][ T5595]  do_syscall_64+0x4c/0xa0
[  256.499694][ T5595]  ? clear_bhb_loop+0x30/0x80
[  256.504513][ T5595]  ? clear_bhb_loop+0x30/0x80
[  256.509243][ T5595]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.515348][ T5595] RIP: 0033:0x7fc636086b8a
[  256.519910][ T5595] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  256.540092][ T5595] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.548552][ T5595] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  256.556563][ T5595] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  256.564938][ T5595] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  256.573045][ T5595] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  256.581232][ T5595] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  256.589263][ T5595]  </TASK>
[  256.599459][ T5595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.612700][ T5595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.890951][ T5597] loop1: detected capacity change from 0 to 32768
[  256.934607][ T5597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.943738][ T5597] CPU: 1 PID: 5597 Comm: syz.1.192 Not tainted syzkaller #0
[  256.951098][ T5597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  256.961372][ T5597] Call Trace:
[  256.964781][ T5597]  <TASK>
[  256.967761][ T5597]  dump_stack_lvl+0x188/0x250
[  256.972502][ T5597]  ? show_regs_print_info+0x20/0x20
[  256.977842][ T5597]  ? load_image+0x410/0x410
[  256.982497][ T5597]  sysfs_create_dir_ns+0x26a/0x290
[  256.987666][ T5597]  ? sysfs_warn_dup+0xa0/0xa0
[  256.992398][ T5597]  ? do_raw_spin_unlock+0x11d/0x230
[  256.997656][ T5597]  kobject_add_internal+0x5ba/0xcd0
[  257.002966][ T5597]  kobject_init_and_add+0x128/0x190
[  257.008330][ T5597]  ? lockdep_softirqs_off+0x430/0x430
[  257.013787][ T5597]  ? kobject_add+0x230/0x230
[  257.018427][ T5597]  ? __init_swait_queue_head+0xa4/0x140
[  257.024235][ T5597]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.029210][ T5597]  ? gfs2_recover_set+0x240/0x240
[  257.034445][ T5597]  ? snprintf+0xe5/0x140
[  257.038742][ T5597]  ? __free_pages+0x95/0x1a0
[  257.043378][ T5597]  ? vscnprintf+0x80/0x80
[  257.047758][ T5597]  gfs2_fill_super+0x11ed/0x1ea0
[  257.052751][ T5597]  ? gfs2_reconfigure+0xd80/0xd80
[  257.058058][ T5597]  ? sb_set_blocksize+0xa5/0xe0
[  257.062962][ T5597]  get_tree_bdev+0x3e6/0x610
[  257.067606][ T5597]  ? gfs2_reconfigure+0xd80/0xd80
[  257.072684][ T5597]  gfs2_get_tree+0x4d/0x1e0
[  257.077244][ T5597]  vfs_get_tree+0x88/0x270
[  257.081982][ T5597]  do_new_mount+0x247/0xa40
[  257.086547][ T5597]  __se_sys_mount+0x2e3/0x3d0
[  257.091274][ T5597]  ? __x64_sys_mount+0xc0/0xc0
[  257.096184][ T5597]  ? lockdep_hardirqs_on+0x94/0x140
[  257.101425][ T5597]  ? __x64_sys_mount+0x1c/0xc0
[  257.106365][ T5597]  do_syscall_64+0x4c/0xa0
[  257.110836][ T5597]  ? clear_bhb_loop+0x30/0x80
[  257.115558][ T5597]  ? clear_bhb_loop+0x30/0x80
[  257.120272][ T5597]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.126216][ T5597] RIP: 0033:0x7fc636086b8a
[  257.130671][ T5597] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  257.150317][ T5597] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.158813][ T5597] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  257.166831][ T5597] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  257.174859][ T5597] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  257.182871][ T5597] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  257.190972][ T5597] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  257.199105][ T5597]  </TASK>
[  257.208322][ T5597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.222257][ T5597] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.593845][ T5599] loop1: detected capacity change from 0 to 32768
[  257.644755][ T5599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.654322][ T5599] CPU: 1 PID: 5599 Comm: syz.1.193 Not tainted syzkaller #0
[  257.661694][ T5599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  257.671826][ T5599] Call Trace:
[  257.675153][ T5599]  <TASK>
[  257.678226][ T5599]  dump_stack_lvl+0x188/0x250
[  257.683054][ T5599]  ? show_regs_print_info+0x20/0x20
[  257.688303][ T5599]  ? load_image+0x410/0x410
[  257.692866][ T5599]  sysfs_create_dir_ns+0x26a/0x290
[  257.698074][ T5599]  ? sysfs_warn_dup+0xa0/0xa0
[  257.702798][ T5599]  ? do_raw_spin_unlock+0x11d/0x230
[  257.708635][ T5599]  kobject_add_internal+0x5ba/0xcd0
[  257.713900][ T5599]  kobject_init_and_add+0x128/0x190
[  257.719149][ T5599]  ? lockdep_softirqs_off+0x430/0x430
[  257.724593][ T5599]  ? kobject_add+0x230/0x230
[  257.729251][ T5599]  ? __init_swait_queue_head+0xa4/0x140
[  257.735120][ T5599]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.739936][ T5599]  ? gfs2_recover_set+0x240/0x240
[  257.745009][ T5599]  ? snprintf+0xe5/0x140
[  257.749304][ T5599]  ? __free_pages+0x95/0x1a0
[  257.753942][ T5599]  ? vscnprintf+0x80/0x80
[  257.758321][ T5599]  gfs2_fill_super+0x11ed/0x1ea0
[  257.763585][ T5599]  ? gfs2_reconfigure+0xd80/0xd80
[  257.768843][ T5599]  ? sb_set_blocksize+0xa5/0xe0
[  257.773740][ T5599]  get_tree_bdev+0x3e6/0x610
[  257.778367][ T5599]  ? gfs2_reconfigure+0xd80/0xd80
[  257.783538][ T5599]  gfs2_get_tree+0x4d/0x1e0
[  257.788287][ T5599]  vfs_get_tree+0x88/0x270
[  257.792756][ T5599]  do_new_mount+0x247/0xa40
[  257.797306][ T5599]  __se_sys_mount+0x2e3/0x3d0
[  257.802033][ T5599]  ? __x64_sys_mount+0xc0/0xc0
[  257.806853][ T5599]  ? lockdep_hardirqs_on+0x94/0x140
[  257.812098][ T5599]  ? __x64_sys_mount+0x1c/0xc0
[  257.816913][ T5599]  do_syscall_64+0x4c/0xa0
[  257.821364][ T5599]  ? clear_bhb_loop+0x30/0x80
[  257.826077][ T5599]  ? clear_bhb_loop+0x30/0x80
[  257.830913][ T5599]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.836856][ T5599] RIP: 0033:0x7fc636086b8a
[  257.841307][ T5599] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  257.861318][ T5599] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.869788][ T5599] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  257.877811][ T5599] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  257.885821][ T5599] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  257.893924][ T5599] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  257.901933][ T5599] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  257.909986][ T5599]  </TASK>
[  257.919256][ T5599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.934953][ T5599] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.051532][ T4856] Bluetooth: hci1: command 0x0406 tx timeout
[  258.353579][ T5601] loop1: detected capacity change from 0 to 32768
[  258.408474][ T5601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.418943][ T5601] CPU: 0 PID: 5601 Comm: syz.1.194 Not tainted syzkaller #0
[  258.426326][ T5601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  258.436424][ T5601] Call Trace:
[  258.439752][ T5601]  <TASK>
[  258.442718][ T5601]  dump_stack_lvl+0x188/0x250
[  258.447440][ T5601]  ? show_regs_print_info+0x20/0x20
[  258.452812][ T5601]  ? load_image+0x410/0x410
[  258.457681][ T5601]  sysfs_create_dir_ns+0x26a/0x290
[  258.462930][ T5601]  ? sysfs_warn_dup+0xa0/0xa0
[  258.467660][ T5601]  ? do_raw_spin_unlock+0x11d/0x230
[  258.472914][ T5601]  kobject_add_internal+0x5ba/0xcd0
[  258.478521][ T5601]  kobject_init_and_add+0x128/0x190
[  258.483849][ T5601]  ? lockdep_softirqs_off+0x430/0x430
[  258.489891][ T5601]  ? kobject_add+0x230/0x230
[  258.494755][ T5601]  ? __init_swait_queue_head+0xa4/0x140
[  258.500444][ T5601]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.505531][ T5601]  ? gfs2_recover_set+0x240/0x240
[  258.510606][ T5601]  ? snprintf+0xe5/0x140
[  258.515071][ T5601]  ? __free_pages+0x95/0x1a0
[  258.519706][ T5601]  ? vscnprintf+0x80/0x80
[  258.524079][ T5601]  gfs2_fill_super+0x11ed/0x1ea0
[  258.529162][ T5601]  ? gfs2_reconfigure+0xd80/0xd80
[  258.534332][ T5601]  ? sb_set_blocksize+0xa5/0xe0
[  258.539513][ T5601]  get_tree_bdev+0x3e6/0x610
[  258.544166][ T5601]  ? gfs2_reconfigure+0xd80/0xd80
[  258.549321][ T5601]  gfs2_get_tree+0x4d/0x1e0
[  258.553868][ T5601]  vfs_get_tree+0x88/0x270
[  258.558328][ T5601]  do_new_mount+0x247/0xa40
[  258.562879][ T5601]  __se_sys_mount+0x2e3/0x3d0
[  258.567607][ T5601]  ? __x64_sys_mount+0xc0/0xc0
[  258.572509][ T5601]  ? lockdep_hardirqs_on+0x94/0x140
[  258.577755][ T5601]  ? __x64_sys_mount+0x1c/0xc0
[  258.582565][ T5601]  do_syscall_64+0x4c/0xa0
[  258.587022][ T5601]  ? clear_bhb_loop+0x30/0x80
[  258.591744][ T5601]  ? clear_bhb_loop+0x30/0x80
[  258.596564][ T5601]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.602725][ T5601] RIP: 0033:0x7fc636086b8a
[  258.607192][ T5601] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  258.626836][ T5601] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.635320][ T5601] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  258.643349][ T5601] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  258.651586][ T5601] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  258.659601][ T5601] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  258.667956][ T5601] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  258.675981][ T5601]  </TASK>
[  258.684191][ T5601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.697993][ T5601] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.022912][ T5603] loop1: detected capacity change from 0 to 32768
[  259.094334][ T5603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.108497][ T5603] CPU: 1 PID: 5603 Comm: syz.1.195 Not tainted syzkaller #0
[  259.115854][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  259.125964][ T5603] Call Trace:
[  259.129279][ T5603]  <TASK>
[  259.132242][ T5603]  dump_stack_lvl+0x188/0x250
[  259.136983][ T5603]  ? show_regs_print_info+0x20/0x20
[  259.142313][ T5603]  ? load_image+0x410/0x410
[  259.146890][ T5603]  sysfs_create_dir_ns+0x26a/0x290
[  259.152239][ T5603]  ? sysfs_warn_dup+0xa0/0xa0
[  259.156972][ T5603]  ? do_raw_spin_unlock+0x11d/0x230
[  259.162230][ T5603]  kobject_add_internal+0x5ba/0xcd0
[  259.167472][ T5603]  kobject_init_and_add+0x128/0x190
[  259.172835][ T5603]  ? lockdep_softirqs_off+0x430/0x430
[  259.178244][ T5603]  ? kobject_add+0x230/0x230
[  259.182899][ T5603]  ? __init_swait_queue_head+0xa4/0x140
[  259.188501][ T5603]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.193330][ T5603]  ? gfs2_recover_set+0x240/0x240
[  259.198397][ T5603]  ? snprintf+0xe5/0x140
[  259.202798][ T5603]  ? __free_pages+0x95/0x1a0
[  259.207515][ T5603]  ? vscnprintf+0x80/0x80
[  259.212072][ T5603]  gfs2_fill_super+0x11ed/0x1ea0
[  259.217156][ T5603]  ? gfs2_reconfigure+0xd80/0xd80
[  259.222276][ T5603]  ? sb_set_blocksize+0xa5/0xe0
[  259.227173][ T5603]  get_tree_bdev+0x3e6/0x610
[  259.231824][ T5603]  ? gfs2_reconfigure+0xd80/0xd80
[  259.236897][ T5603]  gfs2_get_tree+0x4d/0x1e0
[  259.241486][ T5603]  vfs_get_tree+0x88/0x270
[  259.246052][ T5603]  do_new_mount+0x247/0xa40
[  259.250606][ T5603]  __se_sys_mount+0x2e3/0x3d0
[  259.255343][ T5603]  ? __x64_sys_mount+0xc0/0xc0
[  259.260181][ T5603]  ? lockdep_hardirqs_on+0x94/0x140
[  259.265427][ T5603]  ? __x64_sys_mount+0x1c/0xc0
[  259.270622][ T5603]  do_syscall_64+0x4c/0xa0
[  259.275073][ T5603]  ? clear_bhb_loop+0x30/0x80
[  259.279799][ T5603]  ? clear_bhb_loop+0x30/0x80
[  259.284522][ T5603]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.290458][ T5603] RIP: 0033:0x7fc636086b8a
[  259.295087][ T5603] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  259.314903][ T5603] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.323367][ T5603] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  259.331378][ T5603] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  259.339416][ T5603] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  259.347525][ T5603] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  259.355543][ T5603] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  259.363635][ T5603]  </TASK>
[  259.373904][ T5603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.387975][ T5603] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.678621][ T5605] loop1: detected capacity change from 0 to 32768
[  259.726882][ T5605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.739114][ T5605] CPU: 0 PID: 5605 Comm: syz.1.196 Not tainted syzkaller #0
[  259.746493][ T5605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  259.756706][ T5605] Call Trace:
[  259.760054][ T5605]  <TASK>
[  259.763058][ T5605]  dump_stack_lvl+0x188/0x250
[  259.767780][ T5605]  ? show_regs_print_info+0x20/0x20
[  259.773031][ T5605]  ? load_image+0x410/0x410
[  259.777771][ T5605]  sysfs_create_dir_ns+0x26a/0x290
[  259.783202][ T5605]  ? sysfs_warn_dup+0xa0/0xa0
[  259.787934][ T5605]  ? do_raw_spin_unlock+0x11d/0x230
[  259.793187][ T5605]  kobject_add_internal+0x5ba/0xcd0
[  259.798530][ T5605]  kobject_init_and_add+0x128/0x190
[  259.803779][ T5605]  ? lockdep_softirqs_off+0x430/0x430
[  259.809394][ T5605]  ? kobject_add+0x230/0x230
[  259.814127][ T5605]  ? __init_swait_queue_head+0xa4/0x140
[  259.820059][ T5605]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.824883][ T5605]  ? gfs2_recover_set+0x240/0x240
[  259.830159][ T5605]  ? snprintf+0xe5/0x140
[  259.834543][ T5605]  ? __free_pages+0x95/0x1a0
[  259.839219][ T5605]  ? vscnprintf+0x80/0x80
[  259.843715][ T5605]  gfs2_fill_super+0x11ed/0x1ea0
[  259.848709][ T5605]  ? gfs2_reconfigure+0xd80/0xd80
[  259.853785][ T5605]  ? sb_set_blocksize+0xa5/0xe0
[  259.858673][ T5605]  get_tree_bdev+0x3e6/0x610
[  259.863306][ T5605]  ? gfs2_reconfigure+0xd80/0xd80
[  259.868388][ T5605]  gfs2_get_tree+0x4d/0x1e0
[  259.873028][ T5605]  vfs_get_tree+0x88/0x270
[  259.877490][ T5605]  do_new_mount+0x247/0xa40
[  259.882130][ T5605]  __se_sys_mount+0x2e3/0x3d0
[  259.886849][ T5605]  ? __x64_sys_mount+0xc0/0xc0
[  259.891748][ T5605]  ? lockdep_hardirqs_on+0x94/0x140
[  259.897003][ T5605]  ? __x64_sys_mount+0x1c/0xc0
[  259.901812][ T5605]  do_syscall_64+0x4c/0xa0
[  259.906522][ T5605]  ? clear_bhb_loop+0x30/0x80
[  259.911250][ T5605]  ? clear_bhb_loop+0x30/0x80
[  259.915980][ T5605]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.922058][ T5605] RIP: 0033:0x7fc636086b8a
[  259.926732][ T5605] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  259.946467][ T5605] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.954931][ T5605] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  259.962945][ T5605] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  259.970954][ T5605] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  259.979054][ T5605] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  259.987075][ T5605] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  259.995360][ T5605]  </TASK>
[  260.003269][ T5605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.016650][ T5605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.322147][ T5607] loop1: detected capacity change from 0 to 32768
[  260.385510][ T5607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.393697][ T5607] CPU: 1 PID: 5607 Comm: syz.1.197 Not tainted syzkaller #0
[  260.401244][ T5607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  260.411455][ T5607] Call Trace:
[  260.414775][ T5607]  <TASK>
[  260.417742][ T5607]  dump_stack_lvl+0x188/0x250
[  260.422471][ T5607]  ? show_regs_print_info+0x20/0x20
[  260.427989][ T5607]  ? load_image+0x410/0x410
[  260.432556][ T5607]  sysfs_create_dir_ns+0x26a/0x290
[  260.438005][ T5607]  ? sysfs_warn_dup+0xa0/0xa0
[  260.442743][ T5607]  ? do_raw_spin_unlock+0x11d/0x230
[  260.448176][ T5607]  kobject_add_internal+0x5ba/0xcd0
[  260.453672][ T5607]  kobject_init_and_add+0x128/0x190
[  260.458918][ T5607]  ? lockdep_softirqs_off+0x430/0x430
[  260.464583][ T5607]  ? kobject_add+0x230/0x230
[  260.469418][ T5607]  ? __init_swait_queue_head+0xa4/0x140
[  260.475023][ T5607]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.479834][ T5607]  ? gfs2_recover_set+0x240/0x240
[  260.484918][ T5607]  ? snprintf+0xe5/0x140
[  260.489198][ T5607]  ? __free_pages+0x95/0x1a0
[  260.494010][ T5607]  ? vscnprintf+0x80/0x80
[  260.498474][ T5607]  gfs2_fill_super+0x11ed/0x1ea0
[  260.503464][ T5607]  ? gfs2_reconfigure+0xd80/0xd80
[  260.508552][ T5607]  ? sb_set_blocksize+0xa5/0xe0
[  260.513442][ T5607]  get_tree_bdev+0x3e6/0x610
[  260.518078][ T5607]  ? gfs2_reconfigure+0xd80/0xd80
[  260.523144][ T5607]  gfs2_get_tree+0x4d/0x1e0
[  260.527777][ T5607]  vfs_get_tree+0x88/0x270
[  260.532234][ T5607]  do_new_mount+0x247/0xa40
[  260.536795][ T5607]  __se_sys_mount+0x2e3/0x3d0
[  260.541764][ T5607]  ? __x64_sys_mount+0xc0/0xc0
[  260.546620][ T5607]  ? lockdep_hardirqs_on+0x94/0x140
[  260.551949][ T5607]  ? __x64_sys_mount+0x1c/0xc0
[  260.556761][ T5607]  do_syscall_64+0x4c/0xa0
[  260.561213][ T5607]  ? clear_bhb_loop+0x30/0x80
[  260.566198][ T5607]  ? clear_bhb_loop+0x30/0x80
[  260.570923][ T5607]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.576872][ T5607] RIP: 0033:0x7fc636086b8a
[  260.581324][ T5607] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  260.601125][ T5607] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.609591][ T5607] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  260.617630][ T5607] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  260.625642][ T5607] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  260.633748][ T5607] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  260.641773][ T5607] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  260.649798][ T5607]  </TASK>
[  260.659985][ T5607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.673826][ T5607] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/27 01:05:34 executed programs: 184
[  260.967199][ T5609] loop1: detected capacity change from 0 to 32768
[  260.991780][ T5609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.999357][ T5609] CPU: 1 PID: 5609 Comm: syz.1.198 Not tainted syzkaller #0
[  261.006815][ T5609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  261.016940][ T5609] Call Trace:
[  261.020348][ T5609]  <TASK>
[  261.023461][ T5609]  dump_stack_lvl+0x188/0x250
[  261.028197][ T5609]  ? show_regs_print_info+0x20/0x20
[  261.033454][ T5609]  ? load_image+0x410/0x410
[  261.038087][ T5609]  sysfs_create_dir_ns+0x26a/0x290
[  261.043259][ T5609]  ? sysfs_warn_dup+0xa0/0xa0
[  261.047993][ T5609]  ? do_raw_spin_unlock+0x11d/0x230
[  261.053359][ T5609]  kobject_add_internal+0x5ba/0xcd0
[  261.058628][ T5609]  kobject_init_and_add+0x128/0x190
[  261.063885][ T5609]  ? lockdep_softirqs_off+0x430/0x430
[  261.069314][ T5609]  ? kobject_add+0x230/0x230
[  261.074048][ T5609]  ? __init_swait_queue_head+0xa4/0x140
[  261.079735][ T5609]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.084546][ T5609]  ? gfs2_recover_set+0x240/0x240
[  261.089821][ T5609]  ? snprintf+0xe5/0x140
[  261.094112][ T5609]  ? __free_pages+0x95/0x1a0
[  261.098744][ T5609]  ? vscnprintf+0x80/0x80
[  261.103130][ T5609]  gfs2_fill_super+0x11ed/0x1ea0
[  261.108132][ T5609]  ? gfs2_reconfigure+0xd80/0xd80
[  261.113401][ T5609]  ? sb_set_blocksize+0xa5/0xe0
[  261.118391][ T5609]  get_tree_bdev+0x3e6/0x610
[  261.123027][ T5609]  ? gfs2_reconfigure+0xd80/0xd80
[  261.128295][ T5609]  gfs2_get_tree+0x4d/0x1e0
[  261.132852][ T5609]  vfs_get_tree+0x88/0x270
[  261.137412][ T5609]  do_new_mount+0x247/0xa40
[  261.141975][ T5609]  __se_sys_mount+0x2e3/0x3d0
[  261.146796][ T5609]  ? __x64_sys_mount+0xc0/0xc0
[  261.151617][ T5609]  ? lockdep_hardirqs_on+0x94/0x140
[  261.156860][ T5609]  ? __x64_sys_mount+0x1c/0xc0
[  261.161678][ T5609]  do_syscall_64+0x4c/0xa0
[  261.166148][ T5609]  ? clear_bhb_loop+0x30/0x80
[  261.170872][ T5609]  ? clear_bhb_loop+0x30/0x80
[  261.175599][ T5609]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.181804][ T5609] RIP: 0033:0x7fc636086b8a
[  261.186353][ T5609] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  261.206006][ T5609] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.214654][ T5609] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  261.222671][ T5609] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  261.230692][ T5609] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  261.238716][ T5609] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  261.246739][ T5609] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  261.254911][ T5609]  </TASK>
[  261.260352][ T5609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.273904][ T5609] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.649538][ T5611] loop1: detected capacity change from 0 to 32768
[  261.721133][ T5611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.734798][ T5611] CPU: 0 PID: 5611 Comm: syz.1.199 Not tainted syzkaller #0
[  261.742244][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  261.752380][ T5611] Call Trace:
[  261.755699][ T5611]  <TASK>
[  261.758673][ T5611]  dump_stack_lvl+0x188/0x250
[  261.763394][ T5611]  ? show_regs_print_info+0x20/0x20
[  261.768636][ T5611]  ? load_image+0x410/0x410
[  261.773198][ T5611]  sysfs_create_dir_ns+0x26a/0x290
[  261.778447][ T5611]  ? sysfs_warn_dup+0xa0/0xa0
[  261.783260][ T5611]  ? do_raw_spin_unlock+0x11d/0x230
[  261.788524][ T5611]  kobject_add_internal+0x5ba/0xcd0
[  261.793781][ T5611]  kobject_init_and_add+0x128/0x190
[  261.799112][ T5611]  ? lockdep_softirqs_off+0x430/0x430
[  261.804535][ T5611]  ? kobject_add+0x230/0x230
[  261.809213][ T5611]  ? __init_swait_queue_head+0xa4/0x140
[  261.814802][ T5611]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.819645][ T5611]  ? gfs2_recover_set+0x240/0x240
[  261.824804][ T5611]  ? snprintf+0xe5/0x140
[  261.829079][ T5611]  ? __free_pages+0x95/0x1a0
[  261.833709][ T5611]  ? vscnprintf+0x80/0x80
[  261.838082][ T5611]  gfs2_fill_super+0x11ed/0x1ea0
[  261.843077][ T5611]  ? gfs2_reconfigure+0xd80/0xd80
[  261.848175][ T5611]  ? sb_set_blocksize+0xa5/0xe0
[  261.853159][ T5611]  get_tree_bdev+0x3e6/0x610
[  261.857794][ T5611]  ? gfs2_reconfigure+0xd80/0xd80
[  261.862866][ T5611]  gfs2_get_tree+0x4d/0x1e0
[  261.867423][ T5611]  vfs_get_tree+0x88/0x270
[  261.871886][ T5611]  do_new_mount+0x247/0xa40
[  261.876440][ T5611]  __se_sys_mount+0x2e3/0x3d0
[  261.881176][ T5611]  ? __x64_sys_mount+0xc0/0xc0
[  261.885986][ T5611]  ? lockdep_hardirqs_on+0x94/0x140
[  261.891307][ T5611]  ? __x64_sys_mount+0x1c/0xc0
[  261.896112][ T5611]  do_syscall_64+0x4c/0xa0
[  261.900581][ T5611]  ? clear_bhb_loop+0x30/0x80
[  261.905296][ T5611]  ? clear_bhb_loop+0x30/0x80
[  261.910016][ T5611]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.916053][ T5611] RIP: 0033:0x7fc636086b8a
[  261.921023][ T5611] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  261.941191][ T5611] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.949775][ T5611] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  261.957787][ T5611] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  261.965803][ T5611] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  261.973815][ T5611] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  261.981816][ T5611] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  261.990821][ T5611]  </TASK>
[  261.996991][ T5611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.010418][ T5611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.390000][ T5613] loop1: detected capacity change from 0 to 32768
[  262.452709][ T5613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.460456][ T5613] CPU: 1 PID: 5613 Comm: syz.1.200 Not tainted syzkaller #0
[  262.467795][ T5613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  262.477891][ T5613] Call Trace:
[  262.481210][ T5613]  <TASK>
[  262.484326][ T5613]  dump_stack_lvl+0x188/0x250
[  262.489065][ T5613]  ? show_regs_print_info+0x20/0x20
[  262.494316][ T5613]  ? load_image+0x410/0x410
[  262.498877][ T5613]  sysfs_create_dir_ns+0x26a/0x290
[  262.504035][ T5613]  ? sysfs_warn_dup+0xa0/0xa0
[  262.508770][ T5613]  ? do_raw_spin_unlock+0x11d/0x230
[  262.514020][ T5613]  kobject_add_internal+0x5ba/0xcd0
[  262.519369][ T5613]  kobject_init_and_add+0x128/0x190
[  262.524706][ T5613]  ? lockdep_softirqs_off+0x430/0x430
[  262.530155][ T5613]  ? kobject_add+0x230/0x230
[  262.534792][ T5613]  ? __init_swait_queue_head+0xa4/0x140
[  262.540389][ T5613]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.545498][ T5613]  ? gfs2_recover_set+0x240/0x240
[  262.550735][ T5613]  ? snprintf+0xe5/0x140
[  262.555213][ T5613]  ? __free_pages+0x95/0x1a0
[  262.559853][ T5613]  ? vscnprintf+0x80/0x80
[  262.564260][ T5613]  gfs2_fill_super+0x11ed/0x1ea0
[  262.569253][ T5613]  ? gfs2_reconfigure+0xd80/0xd80
[  262.574339][ T5613]  ? sb_set_blocksize+0xa5/0xe0
[  262.579262][ T5613]  get_tree_bdev+0x3e6/0x610
[  262.583988][ T5613]  ? gfs2_reconfigure+0xd80/0xd80
[  262.589146][ T5613]  gfs2_get_tree+0x4d/0x1e0
[  262.593698][ T5613]  vfs_get_tree+0x88/0x270
[  262.598333][ T5613]  do_new_mount+0x247/0xa40
[  262.602883][ T5613]  __se_sys_mount+0x2e3/0x3d0
[  262.607611][ T5613]  ? __x64_sys_mount+0xc0/0xc0
[  262.612424][ T5613]  ? lockdep_hardirqs_on+0x94/0x140
[  262.617663][ T5613]  ? __x64_sys_mount+0x1c/0xc0
[  262.622469][ T5613]  do_syscall_64+0x4c/0xa0
[  262.626927][ T5613]  ? clear_bhb_loop+0x30/0x80
[  262.631645][ T5613]  ? clear_bhb_loop+0x30/0x80
[  262.636370][ T5613]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.642303][ T5613] RIP: 0033:0x7fc636086b8a
[  262.646754][ T5613] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  262.666502][ T5613] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.675052][ T5613] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  262.683162][ T5613] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  262.691212][ T5613] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  262.699305][ T5613] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  262.707467][ T5613] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  262.715461][ T5613]  </TASK>
[  262.720480][ T5613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.733776][ T5613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.119315][ T5615] loop1: detected capacity change from 0 to 32768
[  263.205916][ T5615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.213518][ T5615] CPU: 0 PID: 5615 Comm: syz.1.201 Not tainted syzkaller #0
[  263.220881][ T5615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  263.231408][ T5615] Call Trace:
[  263.234723][ T5615]  <TASK>
[  263.237695][ T5615]  dump_stack_lvl+0x188/0x250
[  263.242420][ T5615]  ? show_regs_print_info+0x20/0x20
[  263.247679][ T5615]  ? load_image+0x410/0x410
[  263.252340][ T5615]  sysfs_create_dir_ns+0x26a/0x290
[  263.257499][ T5615]  ? sysfs_warn_dup+0xa0/0xa0
[  263.262324][ T5615]  ? do_raw_spin_unlock+0x11d/0x230
[  263.267682][ T5615]  kobject_add_internal+0x5ba/0xcd0
[  263.272941][ T5615]  kobject_init_and_add+0x128/0x190
[  263.278277][ T5615]  ? lockdep_softirqs_off+0x430/0x430
[  263.283708][ T5615]  ? kobject_add+0x230/0x230
[  263.288373][ T5615]  ? __init_swait_queue_head+0xa4/0x140
[  263.294000][ T5615]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.298811][ T5615]  ? gfs2_recover_set+0x240/0x240
[  263.304080][ T5615]  ? snprintf+0xe5/0x140
[  263.308377][ T5615]  ? __free_pages+0x95/0x1a0
[  263.313025][ T5615]  ? vscnprintf+0x80/0x80
[  263.317697][ T5615]  gfs2_fill_super+0x11ed/0x1ea0
[  263.322715][ T5615]  ? gfs2_reconfigure+0xd80/0xd80
[  263.327816][ T5615]  ? sb_set_blocksize+0xa5/0xe0
[  263.332719][ T5615]  get_tree_bdev+0x3e6/0x610
[  263.337357][ T5615]  ? gfs2_reconfigure+0xd80/0xd80
[  263.342436][ T5615]  gfs2_get_tree+0x4d/0x1e0
[  263.346994][ T5615]  vfs_get_tree+0x88/0x270
[  263.351452][ T5615]  do_new_mount+0x247/0xa40
[  263.356006][ T5615]  __se_sys_mount+0x2e3/0x3d0
[  263.360722][ T5615]  ? __x64_sys_mount+0xc0/0xc0
[  263.365526][ T5615]  ? lockdep_hardirqs_on+0x94/0x140
[  263.370766][ T5615]  ? __x64_sys_mount+0x1c/0xc0
[  263.375579][ T5615]  do_syscall_64+0x4c/0xa0
[  263.380036][ T5615]  ? clear_bhb_loop+0x30/0x80
[  263.384750][ T5615]  ? clear_bhb_loop+0x30/0x80
[  263.389466][ T5615]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.395416][ T5615] RIP: 0033:0x7fc636086b8a
[  263.399845][ T5615] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  263.419471][ T5615] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.427905][ T5615] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  263.436232][ T5615] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  263.444214][ T5615] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  263.452281][ T5615] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  263.460280][ T5615] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  263.468362][ T5615]  </TASK>
[  263.477876][ T5615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.493178][ T5615] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.839226][ T5617] loop1: detected capacity change from 0 to 32768
[  263.893229][ T5617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.900675][ T5617] CPU: 1 PID: 5617 Comm: syz.1.202 Not tainted syzkaller #0
[  263.908015][ T5617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  263.918112][ T5617] Call Trace:
[  263.921623][ T5617]  <TASK>
[  263.924675][ T5617]  dump_stack_lvl+0x188/0x250
[  263.929490][ T5617]  ? show_regs_print_info+0x20/0x20
[  263.934740][ T5617]  ? load_image+0x410/0x410
[  263.939837][ T5617]  sysfs_create_dir_ns+0x26a/0x290
[  263.945008][ T5617]  ? sysfs_warn_dup+0xa0/0xa0
[  263.949781][ T5617]  ? do_raw_spin_unlock+0x11d/0x230
[  263.955117][ T5617]  kobject_add_internal+0x5ba/0xcd0
[  263.960363][ T5617]  kobject_init_and_add+0x128/0x190
[  263.965603][ T5617]  ? lockdep_softirqs_off+0x430/0x430
[  263.971021][ T5617]  ? kobject_add+0x230/0x230
[  263.975662][ T5617]  ? __init_swait_queue_head+0xa4/0x140
[  263.981247][ T5617]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.986047][ T5617]  ? gfs2_recover_set+0x240/0x240
[  263.991104][ T5617]  ? snprintf+0xe5/0x140
[  263.995375][ T5617]  ? __free_pages+0x95/0x1a0
[  264.000093][ T5617]  ? vscnprintf+0x80/0x80
[  264.004582][ T5617]  gfs2_fill_super+0x11ed/0x1ea0
[  264.009600][ T5617]  ? gfs2_reconfigure+0xd80/0xd80
[  264.014698][ T5617]  ? sb_set_blocksize+0xa5/0xe0
[  264.019694][ T5617]  get_tree_bdev+0x3e6/0x610
[  264.024519][ T5617]  ? gfs2_reconfigure+0xd80/0xd80
[  264.029796][ T5617]  gfs2_get_tree+0x4d/0x1e0
[  264.034354][ T5617]  vfs_get_tree+0x88/0x270
[  264.038921][ T5617]  do_new_mount+0x247/0xa40
[  264.043488][ T5617]  __se_sys_mount+0x2e3/0x3d0
[  264.048234][ T5617]  ? __x64_sys_mount+0xc0/0xc0
[  264.053054][ T5617]  ? lockdep_hardirqs_on+0x94/0x140
[  264.058304][ T5617]  ? __x64_sys_mount+0x1c/0xc0
[  264.063133][ T5617]  do_syscall_64+0x4c/0xa0
[  264.067598][ T5617]  ? clear_bhb_loop+0x30/0x80
[  264.072326][ T5617]  ? clear_bhb_loop+0x30/0x80
[  264.077233][ T5617]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.083175][ T5617] RIP: 0033:0x7fc636086b8a
[  264.087639][ T5617] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  264.107385][ T5617] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.115862][ T5617] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  264.123930][ T5617] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  264.132173][ T5617] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  264.140189][ T5617] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  264.148198][ T5617] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  264.156228][ T5617]  </TASK>
[  264.165333][ T5617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.179280][ T5617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.563762][ T5619] loop1: detected capacity change from 0 to 32768
[  264.607341][ T5619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.622272][ T5619] CPU: 0 PID: 5619 Comm: syz.1.203 Not tainted syzkaller #0
[  264.629661][ T5619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  264.639756][ T5619] Call Trace:
[  264.643091][ T5619]  <TASK>
[  264.646062][ T5619]  dump_stack_lvl+0x188/0x250
[  264.650820][ T5619]  ? show_regs_print_info+0x20/0x20
[  264.656059][ T5619]  ? load_image+0x410/0x410
[  264.660618][ T5619]  sysfs_create_dir_ns+0x26a/0x290
[  264.666049][ T5619]  ? sysfs_warn_dup+0xa0/0xa0
[  264.671374][ T5619]  ? do_raw_spin_unlock+0x11d/0x230
[  264.677142][ T5619]  kobject_add_internal+0x5ba/0xcd0
[  264.682498][ T5619]  kobject_init_and_add+0x128/0x190
[  264.687755][ T5619]  ? lockdep_softirqs_off+0x430/0x430
[  264.693173][ T5619]  ? kobject_add+0x230/0x230
[  264.697902][ T5619]  ? __init_swait_queue_head+0xa4/0x140
[  264.703887][ T5619]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.708732][ T5619]  ? gfs2_recover_set+0x240/0x240
[  264.714253][ T5619]  ? snprintf+0xe5/0x140
[  264.718810][ T5619]  ? __free_pages+0x95/0x1a0
[  264.723634][ T5619]  ? vscnprintf+0x80/0x80
[  264.728084][ T5619]  gfs2_fill_super+0x11ed/0x1ea0
[  264.733077][ T5619]  ? gfs2_reconfigure+0xd80/0xd80
[  264.738165][ T5619]  ? sb_set_blocksize+0xa5/0xe0
[  264.743057][ T5619]  get_tree_bdev+0x3e6/0x610
[  264.747699][ T5619]  ? gfs2_reconfigure+0xd80/0xd80
[  264.752951][ T5619]  gfs2_get_tree+0x4d/0x1e0
[  264.757506][ T5619]  vfs_get_tree+0x88/0x270
[  264.761982][ T5619]  do_new_mount+0x247/0xa40
[  264.766532][ T5619]  __se_sys_mount+0x2e3/0x3d0
[  264.771433][ T5619]  ? __x64_sys_mount+0xc0/0xc0
[  264.776380][ T5619]  ? lockdep_hardirqs_on+0x94/0x140
[  264.781973][ T5619]  ? __x64_sys_mount+0x1c/0xc0
[  264.786786][ T5619]  do_syscall_64+0x4c/0xa0
[  264.791411][ T5619]  ? clear_bhb_loop+0x30/0x80
[  264.796120][ T5619]  ? clear_bhb_loop+0x30/0x80
[  264.800920][ T5619]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.806886][ T5619] RIP: 0033:0x7fc636086b8a
[  264.811343][ T5619] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  264.831418][ T5619] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.839879][ T5619] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  264.848155][ T5619] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  264.856180][ T5619] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  264.864567][ T5619] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  264.872755][ T5619] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  264.880873][ T5619]  </TASK>
[  264.884894][ T5619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.898485][ T5619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.276080][ T5621] loop1: detected capacity change from 0 to 32768
[  265.343179][ T5621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.350717][ T5621] CPU: 0 PID: 5621 Comm: syz.1.204 Not tainted syzkaller #0
[  265.358163][ T5621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  265.368296][ T5621] Call Trace:
[  265.371620][ T5621]  <TASK>
[  265.374582][ T5621]  dump_stack_lvl+0x188/0x250
[  265.379421][ T5621]  ? show_regs_print_info+0x20/0x20
[  265.384864][ T5621]  ? load_image+0x410/0x410
[  265.389426][ T5621]  sysfs_create_dir_ns+0x26a/0x290
[  265.394584][ T5621]  ? sysfs_warn_dup+0xa0/0xa0
[  265.399308][ T5621]  ? do_raw_spin_unlock+0x11d/0x230
[  265.404553][ T5621]  kobject_add_internal+0x5ba/0xcd0
[  265.409904][ T5621]  kobject_init_and_add+0x128/0x190
[  265.415288][ T5621]  ? lockdep_softirqs_off+0x430/0x430
[  265.420703][ T5621]  ? kobject_add+0x230/0x230
[  265.425336][ T5621]  ? __init_swait_queue_head+0xa4/0x140
[  265.430940][ T5621]  gfs2_sys_fs_add+0x24f/0x4b0
[  265.435959][ T5621]  ? gfs2_recover_set+0x240/0x240
[  265.441147][ T5621]  ? snprintf+0xe5/0x140
[  265.445598][ T5621]  ? __free_pages+0x95/0x1a0
[  265.450411][ T5621]  ? vscnprintf+0x80/0x80
[  265.454797][ T5621]  gfs2_fill_super+0x11ed/0x1ea0
[  265.459799][ T5621]  ? gfs2_reconfigure+0xd80/0xd80
[  265.464983][ T5621]  ? sb_set_blocksize+0xa5/0xe0
[  265.469877][ T5621]  get_tree_bdev+0x3e6/0x610
[  265.474502][ T5621]  ? gfs2_reconfigure+0xd80/0xd80
[  265.479564][ T5621]  gfs2_get_tree+0x4d/0x1e0
[  265.484104][ T5621]  vfs_get_tree+0x88/0x270
[  265.488564][ T5621]  do_new_mount+0x247/0xa40
[  265.493113][ T5621]  __se_sys_mount+0x2e3/0x3d0
[  265.497830][ T5621]  ? __x64_sys_mount+0xc0/0xc0
[  265.502733][ T5621]  ? lockdep_hardirqs_on+0x94/0x140
[  265.508140][ T5621]  ? __x64_sys_mount+0x1c/0xc0
[  265.512972][ T5621]  do_syscall_64+0x4c/0xa0
[  265.517513][ T5621]  ? clear_bhb_loop+0x30/0x80
[  265.522217][ T5621]  ? clear_bhb_loop+0x30/0x80
[  265.526955][ T5621]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.532882][ T5621] RIP: 0033:0x7fc636086b8a
[  265.537415][ T5621] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  265.557058][ T5621] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.565602][ T5621] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  265.573617][ T5621] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  265.581646][ T5621] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  265.589758][ T5621] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  265.597865][ T5621] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  265.605896][ T5621]  </TASK>
[  265.621798][ T5621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.635465][ T5621] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.904176][ T5623] loop1: detected capacity change from 0 to 32768
[  265.947506][ T5623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.963035][ T5623] CPU: 1 PID: 5623 Comm: syz.1.205 Not tainted syzkaller #0
[  265.970408][ T5623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  265.980679][ T5623] Call Trace:
[  265.984026][ T5623]  <TASK>
[  265.987200][ T5623]  dump_stack_lvl+0x188/0x250
[  265.991931][ T5623]  ? show_regs_print_info+0x20/0x20
[  265.997267][ T5623]  ? load_image+0x410/0x410
[  266.001843][ T5623]  sysfs_create_dir_ns+0x26a/0x290
[  266.007007][ T5623]  ? sysfs_warn_dup+0xa0/0xa0
[  266.011745][ T5623]  ? do_raw_spin_unlock+0x11d/0x230
[  266.017084][ T5623]  kobject_add_internal+0x5ba/0xcd0
[  266.022343][ T5623]  kobject_init_and_add+0x128/0x190
[  266.027851][ T5623]  ? lockdep_softirqs_off+0x430/0x430
[  266.033714][ T5623]  ? kobject_add+0x230/0x230
[  266.038363][ T5623]  ? __init_swait_queue_head+0xa4/0x140
[  266.043959][ T5623]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.048774][ T5623]  ? gfs2_recover_set+0x240/0x240
[  266.053927][ T5623]  ? snprintf+0xe5/0x140
[  266.058204][ T5623]  ? __free_pages+0x95/0x1a0
[  266.062922][ T5623]  ? vscnprintf+0x80/0x80
[  266.067309][ T5623]  gfs2_fill_super+0x11ed/0x1ea0
[  266.072300][ T5623]  ? gfs2_reconfigure+0xd80/0xd80
[  266.077379][ T5623]  ? sb_set_blocksize+0xa5/0xe0
[  266.082268][ T5623]  get_tree_bdev+0x3e6/0x610
[  266.086916][ T5623]  ? gfs2_reconfigure+0xd80/0xd80
[  266.092875][ T5623]  gfs2_get_tree+0x4d/0x1e0
[  266.097436][ T5623]  vfs_get_tree+0x88/0x270
[  266.101908][ T5623]  do_new_mount+0x247/0xa40
[  266.106475][ T5623]  __se_sys_mount+0x2e3/0x3d0
[  266.111243][ T5623]  ? __x64_sys_mount+0xc0/0xc0
[  266.116095][ T5623]  ? lockdep_hardirqs_on+0x94/0x140
[  266.121545][ T5623]  ? __x64_sys_mount+0x1c/0xc0
[  266.126471][ T5623]  do_syscall_64+0x4c/0xa0
[  266.131030][ T5623]  ? clear_bhb_loop+0x30/0x80
[  266.135753][ T5623]  ? clear_bhb_loop+0x30/0x80
[  266.140477][ T5623]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.146603][ T5623] RIP: 0033:0x7fc636086b8a
[  266.151190][ T5623] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  266.170890][ T5623] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.179371][ T5623] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  266.187953][ T5623] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  266.195968][ T5623] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  266.204010][ T5623] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  266.212030][ T5623] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  266.220058][ T5623]  </TASK>
[  266.225759][ T5623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.239333][ T5623] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/27 01:05:40 executed programs: 192
[  266.646690][ T5625] loop1: detected capacity change from 0 to 32768
[  266.711563][ T5625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.719035][ T5625] CPU: 1 PID: 5625 Comm: syz.1.206 Not tainted syzkaller #0
[  266.726702][ T5625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  266.736806][ T5625] Call Trace:
[  266.740120][ T5625]  <TASK>
[  266.743085][ T5625]  dump_stack_lvl+0x188/0x250
[  266.747980][ T5625]  ? show_regs_print_info+0x20/0x20
[  266.753431][ T5625]  ? load_image+0x410/0x410
[  266.758018][ T5625]  sysfs_create_dir_ns+0x26a/0x290
[  266.763374][ T5625]  ? sysfs_warn_dup+0xa0/0xa0
[  266.768098][ T5625]  ? do_raw_spin_unlock+0x11d/0x230
[  266.773351][ T5625]  kobject_add_internal+0x5ba/0xcd0
[  266.778599][ T5625]  kobject_init_and_add+0x128/0x190
[  266.784277][ T5625]  ? lockdep_softirqs_off+0x430/0x430
[  266.789797][ T5625]  ? kobject_add+0x230/0x230
[  266.794453][ T5625]  ? __init_swait_queue_head+0xa4/0x140
[  266.800072][ T5625]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.804901][ T5625]  ? gfs2_recover_set+0x240/0x240
[  266.809982][ T5625]  ? snprintf+0xe5/0x140
[  266.814276][ T5625]  ? __free_pages+0x95/0x1a0
[  266.819193][ T5625]  ? vscnprintf+0x80/0x80
[  266.823787][ T5625]  gfs2_fill_super+0x11ed/0x1ea0
[  266.828877][ T5625]  ? gfs2_reconfigure+0xd80/0xd80
[  266.834067][ T5625]  ? sb_set_blocksize+0xa5/0xe0
[  266.838962][ T5625]  get_tree_bdev+0x3e6/0x610
[  266.843681][ T5625]  ? gfs2_reconfigure+0xd80/0xd80
[  266.848767][ T5625]  gfs2_get_tree+0x4d/0x1e0
[  266.853407][ T5625]  vfs_get_tree+0x88/0x270
[  266.857874][ T5625]  do_new_mount+0x247/0xa40
[  266.862513][ T5625]  __se_sys_mount+0x2e3/0x3d0
[  266.867326][ T5625]  ? __x64_sys_mount+0xc0/0xc0
[  266.872140][ T5625]  ? lockdep_hardirqs_on+0x94/0x140
[  266.877500][ T5625]  ? __x64_sys_mount+0x1c/0xc0
[  266.882312][ T5625]  do_syscall_64+0x4c/0xa0
[  266.886779][ T5625]  ? clear_bhb_loop+0x30/0x80
[  266.891502][ T5625]  ? clear_bhb_loop+0x30/0x80
[  266.896232][ T5625]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.902172][ T5625] RIP: 0033:0x7fc636086b8a
[  266.906633][ T5625] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  266.926405][ T5625] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.934978][ T5625] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  266.943174][ T5625] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  266.951630][ T5625] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  266.959731][ T5625] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  266.967828][ T5625] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  266.976053][ T5625]  </TASK>
[  266.984714][ T5625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.998059][ T5625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.344539][ T5627] loop1: detected capacity change from 0 to 32768
[  267.393785][ T5627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.402615][ T5627] CPU: 1 PID: 5627 Comm: syz.1.207 Not tainted syzkaller #0
[  267.409956][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  267.420058][ T5627] Call Trace:
[  267.423372][ T5627]  <TASK>
[  267.426336][ T5627]  dump_stack_lvl+0x188/0x250
[  267.431059][ T5627]  ? show_regs_print_info+0x20/0x20
[  267.436297][ T5627]  ? load_image+0x410/0x410
[  267.440853][ T5627]  sysfs_create_dir_ns+0x26a/0x290
[  267.446011][ T5627]  ? sysfs_warn_dup+0xa0/0xa0
[  267.450769][ T5627]  ? do_raw_spin_unlock+0x11d/0x230
[  267.456105][ T5627]  kobject_add_internal+0x5ba/0xcd0
[  267.461360][ T5627]  kobject_init_and_add+0x128/0x190
[  267.466600][ T5627]  ? lockdep_softirqs_off+0x430/0x430
[  267.472036][ T5627]  ? kobject_add+0x230/0x230
[  267.476684][ T5627]  ? __init_swait_queue_head+0xa4/0x140
[  267.482273][ T5627]  gfs2_sys_fs_add+0x24f/0x4b0
[  267.487085][ T5627]  ? gfs2_recover_set+0x240/0x240
[  267.492145][ T5627]  ? snprintf+0xe5/0x140
[  267.496502][ T5627]  ? __free_pages+0x95/0x1a0
[  267.501135][ T5627]  ? vscnprintf+0x80/0x80
[  267.505712][ T5627]  gfs2_fill_super+0x11ed/0x1ea0
[  267.510792][ T5627]  ? gfs2_reconfigure+0xd80/0xd80
[  267.516202][ T5627]  ? sb_set_blocksize+0xa5/0xe0
[  267.521361][ T5627]  get_tree_bdev+0x3e6/0x610
[  267.526004][ T5627]  ? gfs2_reconfigure+0xd80/0xd80
[  267.531169][ T5627]  gfs2_get_tree+0x4d/0x1e0
[  267.535826][ T5627]  vfs_get_tree+0x88/0x270
[  267.540455][ T5627]  do_new_mount+0x247/0xa40
[  267.545011][ T5627]  __se_sys_mount+0x2e3/0x3d0
[  267.550171][ T5627]  ? __x64_sys_mount+0xc0/0xc0
[  267.554976][ T5627]  ? lockdep_hardirqs_on+0x94/0x140
[  267.560299][ T5627]  ? __x64_sys_mount+0x1c/0xc0
[  267.565105][ T5627]  do_syscall_64+0x4c/0xa0
[  267.569589][ T5627]  ? clear_bhb_loop+0x30/0x80
[  267.574405][ T5627]  ? clear_bhb_loop+0x30/0x80
[  267.579155][ T5627]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.585646][ T5627] RIP: 0033:0x7fc636086b8a
[  267.590139][ T5627] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  267.610305][ T5627] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.618854][ T5627] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  267.627381][ T5627] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  267.635490][ T5627] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  267.643675][ T5627] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  267.651900][ T5627] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  267.659906][ T5627]  </TASK>
[  267.664858][ T5627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.678807][ T5627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.060353][ T5629] loop1: detected capacity change from 0 to 32768
[  268.108154][ T5629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.118116][ T5629] CPU: 1 PID: 5629 Comm: syz.1.208 Not tainted syzkaller #0
[  268.125465][ T5629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  268.135648][ T5629] Call Trace:
[  268.138979][ T5629]  <TASK>
[  268.141952][ T5629]  dump_stack_lvl+0x188/0x250
[  268.146760][ T5629]  ? show_regs_print_info+0x20/0x20
[  268.152004][ T5629]  ? load_image+0x410/0x410
[  268.156720][ T5629]  sysfs_create_dir_ns+0x26a/0x290
[  268.161884][ T5629]  ? sysfs_warn_dup+0xa0/0xa0
[  268.166606][ T5629]  ? do_raw_spin_unlock+0x11d/0x230
[  268.171873][ T5629]  kobject_add_internal+0x5ba/0xcd0
[  268.177258][ T5629]  kobject_init_and_add+0x128/0x190
[  268.182499][ T5629]  ? lockdep_softirqs_off+0x430/0x430
[  268.187923][ T5629]  ? kobject_add+0x230/0x230
[  268.192571][ T5629]  ? __init_swait_queue_head+0xa4/0x140
[  268.198284][ T5629]  gfs2_sys_fs_add+0x24f/0x4b0
[  268.203113][ T5629]  ? gfs2_recover_set+0x240/0x240
[  268.208185][ T5629]  ? snprintf+0xe5/0x140
[  268.212575][ T5629]  ? __free_pages+0x95/0x1a0
[  268.217206][ T5629]  ? vscnprintf+0x80/0x80
[  268.221583][ T5629]  gfs2_fill_super+0x11ed/0x1ea0
[  268.226581][ T5629]  ? gfs2_reconfigure+0xd80/0xd80
[  268.231676][ T5629]  ? sb_set_blocksize+0xa5/0xe0
[  268.236741][ T5629]  get_tree_bdev+0x3e6/0x610
[  268.241381][ T5629]  ? gfs2_reconfigure+0xd80/0xd80
[  268.246449][ T5629]  gfs2_get_tree+0x4d/0x1e0
[  268.251013][ T5629]  vfs_get_tree+0x88/0x270
[  268.255482][ T5629]  do_new_mount+0x247/0xa40
[  268.260142][ T5629]  __se_sys_mount+0x2e3/0x3d0
[  268.264880][ T5629]  ? __x64_sys_mount+0xc0/0xc0
[  268.269734][ T5629]  ? lockdep_hardirqs_on+0x94/0x140
[  268.275097][ T5629]  ? __x64_sys_mount+0x1c/0xc0
[  268.280026][ T5629]  do_syscall_64+0x4c/0xa0
[  268.284576][ T5629]  ? clear_bhb_loop+0x30/0x80
[  268.289379][ T5629]  ? clear_bhb_loop+0x30/0x80
[  268.294157][ T5629]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.300094][ T5629] RIP: 0033:0x7fc636086b8a
[  268.304585][ T5629] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  268.324230][ T5629] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.332724][ T5629] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  268.340738][ T5629] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  268.348833][ T5629] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  268.357058][ T5629] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  268.365186][ T5629] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  268.373226][ T5629]  </TASK>
[  268.382826][ T5629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.396194][ T5629] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.775489][ T5631] loop1: detected capacity change from 0 to 32768
[  268.786665][ T5631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.794501][ T5631] CPU: 0 PID: 5631 Comm: syz.1.209 Not tainted syzkaller #0
[  268.801833][ T5631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  268.811919][ T5631] Call Trace:
[  268.815286][ T5631]  <TASK>
[  268.818254][ T5631]  dump_stack_lvl+0x188/0x250
[  268.822976][ T5631]  ? show_regs_print_info+0x20/0x20
[  268.828221][ T5631]  ? load_image+0x410/0x410
[  268.832779][ T5631]  sysfs_create_dir_ns+0x26a/0x290
[  268.837934][ T5631]  ? sysfs_warn_dup+0xa0/0xa0
[  268.842657][ T5631]  ? do_raw_spin_unlock+0x11d/0x230
[  268.847905][ T5631]  kobject_add_internal+0x5ba/0xcd0
[  268.853152][ T5631]  kobject_init_and_add+0x128/0x190
[  268.858400][ T5631]  ? lockdep_softirqs_off+0x430/0x430
[  268.863839][ T5631]  ? kobject_add+0x230/0x230
[  268.868475][ T5631]  ? __init_swait_queue_head+0xa4/0x140
[  268.874075][ T5631]  gfs2_sys_fs_add+0x24f/0x4b0
[  268.879142][ T5631]  ? gfs2_recover_set+0x240/0x240
[  268.884206][ T5631]  ? snprintf+0xe5/0x140
[  268.888521][ T5631]  ? __free_pages+0x95/0x1a0
[  268.893150][ T5631]  ? vscnprintf+0x80/0x80
[  268.897523][ T5631]  gfs2_fill_super+0x11ed/0x1ea0
[  268.902512][ T5631]  ? gfs2_reconfigure+0xd80/0xd80
[  268.907614][ T5631]  ? sb_set_blocksize+0xa5/0xe0
[  268.912504][ T5631]  get_tree_bdev+0x3e6/0x610
[  268.917310][ T5631]  ? gfs2_reconfigure+0xd80/0xd80
[  268.922380][ T5631]  gfs2_get_tree+0x4d/0x1e0
[  268.926923][ T5631]  vfs_get_tree+0x88/0x270
[  268.931378][ T5631]  do_new_mount+0x247/0xa40
[  268.936014][ T5631]  __se_sys_mount+0x2e3/0x3d0
[  268.940864][ T5631]  ? __x64_sys_mount+0xc0/0xc0
[  268.945655][ T5631]  ? lockdep_hardirqs_on+0x94/0x140
[  268.950870][ T5631]  ? __x64_sys_mount+0x1c/0xc0
[  268.955642][ T5631]  do_syscall_64+0x4c/0xa0
[  268.960068][ T5631]  ? clear_bhb_loop+0x30/0x80
[  268.964768][ T5631]  ? clear_bhb_loop+0x30/0x80
[  268.969451][ T5631]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.975436][ T5631] RIP: 0033:0x7fc636086b8a
[  268.979870][ T5631] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  268.999534][ T5631] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.007986][ T5631] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  269.016060][ T5631] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  269.024237][ T5631] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  269.032231][ T5631] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  269.040243][ T5631] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  269.048241][ T5631]  </TASK>
[  269.052297][ T5631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.065587][ T5631] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.424263][ T5633] loop1: detected capacity change from 0 to 32768
[  269.470532][ T5633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.480045][ T5633] CPU: 0 PID: 5633 Comm: syz.1.210 Not tainted syzkaller #0
[  269.487395][ T5633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  269.497580][ T5633] Call Trace:
[  269.500894][ T5633]  <TASK>
[  269.503858][ T5633]  dump_stack_lvl+0x188/0x250
[  269.508615][ T5633]  ? show_regs_print_info+0x20/0x20
[  269.514220][ T5633]  ? load_image+0x410/0x410
[  269.518780][ T5633]  sysfs_create_dir_ns+0x26a/0x290
[  269.523966][ T5633]  ? sysfs_warn_dup+0xa0/0xa0
[  269.528787][ T5633]  ? do_raw_spin_unlock+0x11d/0x230
[  269.534125][ T5633]  kobject_add_internal+0x5ba/0xcd0
[  269.539375][ T5633]  kobject_init_and_add+0x128/0x190
[  269.544617][ T5633]  ? lockdep_softirqs_off+0x430/0x430
[  269.550131][ T5633]  ? kobject_add+0x230/0x230
[  269.554773][ T5633]  ? __init_swait_queue_head+0xa4/0x140
[  269.560364][ T5633]  gfs2_sys_fs_add+0x24f/0x4b0
[  269.565169][ T5633]  ? gfs2_recover_set+0x240/0x240
[  269.570231][ T5633]  ? snprintf+0xe5/0x140
[  269.574511][ T5633]  ? __free_pages+0x95/0x1a0
[  269.579359][ T5633]  ? vscnprintf+0x80/0x80
[  269.583770][ T5633]  gfs2_fill_super+0x11ed/0x1ea0
[  269.588850][ T5633]  ? gfs2_reconfigure+0xd80/0xd80
[  269.593972][ T5633]  ? sb_set_blocksize+0xa5/0xe0
[  269.598865][ T5633]  get_tree_bdev+0x3e6/0x610
[  269.603508][ T5633]  ? gfs2_reconfigure+0xd80/0xd80
[  269.608593][ T5633]  gfs2_get_tree+0x4d/0x1e0
[  269.613155][ T5633]  vfs_get_tree+0x88/0x270
[  269.617624][ T5633]  do_new_mount+0x247/0xa40
[  269.622177][ T5633]  __se_sys_mount+0x2e3/0x3d0
[  269.626901][ T5633]  ? __x64_sys_mount+0xc0/0xc0
[  269.631710][ T5633]  ? lockdep_hardirqs_on+0x94/0x140
[  269.636954][ T5633]  ? __x64_sys_mount+0x1c/0xc0
[  269.641763][ T5633]  do_syscall_64+0x4c/0xa0
[  269.646265][ T5633]  ? clear_bhb_loop+0x30/0x80
[  269.650988][ T5633]  ? clear_bhb_loop+0x30/0x80
[  269.655710][ T5633]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.661641][ T5633] RIP: 0033:0x7fc636086b8a
[  269.666088][ T5633] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  269.685726][ T5633] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.694185][ T5633] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  269.702245][ T5633] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  269.710440][ T5633] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  269.718459][ T5633] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  269.726485][ T5633] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  269.734509][ T5633]  </TASK>
[  269.739260][ T5633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.753182][ T5633] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.139232][ T5635] loop1: detected capacity change from 0 to 32768
[  270.191454][ T5635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.198896][ T5635] CPU: 0 PID: 5635 Comm: syz.1.211 Not tainted syzkaller #0
[  270.206515][ T5635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  270.216695][ T5635] Call Trace:
[  270.220015][ T5635]  <TASK>
[  270.223144][ T5635]  dump_stack_lvl+0x188/0x250
[  270.227895][ T5635]  ? show_regs_print_info+0x20/0x20
[  270.233147][ T5635]  ? load_image+0x410/0x410
[  270.237715][ T5635]  sysfs_create_dir_ns+0x26a/0x290
[  270.242875][ T5635]  ? sysfs_warn_dup+0xa0/0xa0
[  270.247803][ T5635]  ? do_raw_spin_unlock+0x11d/0x230
[  270.253128][ T5635]  kobject_add_internal+0x5ba/0xcd0
[  270.258414][ T5635]  kobject_init_and_add+0x128/0x190
[  270.263661][ T5635]  ? lockdep_softirqs_off+0x430/0x430
[  270.269175][ T5635]  ? kobject_add+0x230/0x230
[  270.273946][ T5635]  ? __init_swait_queue_head+0xa4/0x140
[  270.279641][ T5635]  gfs2_sys_fs_add+0x24f/0x4b0
[  270.284548][ T5635]  ? gfs2_recover_set+0x240/0x240
[  270.289620][ T5635]  ? snprintf+0xe5/0x140
[  270.293896][ T5635]  ? __free_pages+0x95/0x1a0
[  270.298621][ T5635]  ? vscnprintf+0x80/0x80
[  270.303280][ T5635]  gfs2_fill_super+0x11ed/0x1ea0
[  270.308357][ T5635]  ? gfs2_reconfigure+0xd80/0xd80
[  270.313623][ T5635]  ? sb_set_blocksize+0xa5/0xe0
[  270.318511][ T5635]  get_tree_bdev+0x3e6/0x610
[  270.323135][ T5635]  ? gfs2_reconfigure+0xd80/0xd80
[  270.328205][ T5635]  gfs2_get_tree+0x4d/0x1e0
[  270.332804][ T5635]  vfs_get_tree+0x88/0x270
[  270.337260][ T5635]  do_new_mount+0x247/0xa40
[  270.341810][ T5635]  __se_sys_mount+0x2e3/0x3d0
[  270.346532][ T5635]  ? __x64_sys_mount+0xc0/0xc0
[  270.351343][ T5635]  ? lockdep_hardirqs_on+0x94/0x140
[  270.356578][ T5635]  ? __x64_sys_mount+0x1c/0xc0
[  270.361491][ T5635]  do_syscall_64+0x4c/0xa0
[  270.365971][ T5635]  ? clear_bhb_loop+0x30/0x80
[  270.370690][ T5635]  ? clear_bhb_loop+0x30/0x80
[  270.375409][ T5635]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.381346][ T5635] RIP: 0033:0x7fc636086b8a
[  270.385820][ T5635] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  270.405584][ T5635] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.414222][ T5635] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  270.422316][ T5635] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  270.430328][ T5635] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  270.438335][ T5635] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  270.446515][ T5635] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  270.454805][ T5635]  </TASK>
[  270.462929][ T5635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.476802][ T5635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.858815][ T5637] loop1: detected capacity change from 0 to 32768
[  270.876909][ T5637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.884444][ T5637] CPU: 1 PID: 5637 Comm: syz.1.212 Not tainted syzkaller #0
[  270.891772][ T5637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  270.901870][ T5637] Call Trace:
[  270.905222][ T5637]  <TASK>
[  270.908186][ T5637]  dump_stack_lvl+0x188/0x250
[  270.912912][ T5637]  ? show_regs_print_info+0x20/0x20
[  270.918330][ T5637]  ? load_image+0x410/0x410
[  270.922896][ T5637]  sysfs_create_dir_ns+0x26a/0x290
[  270.928055][ T5637]  ? sysfs_warn_dup+0xa0/0xa0
[  270.932869][ T5637]  ? do_raw_spin_unlock+0x11d/0x230
[  270.938151][ T5637]  kobject_add_internal+0x5ba/0xcd0
[  270.943419][ T5637]  kobject_init_and_add+0x128/0x190
[  270.948790][ T5637]  ? lockdep_softirqs_off+0x430/0x430
[  270.954297][ T5637]  ? kobject_add+0x230/0x230
[  270.958931][ T5637]  ? __init_swait_queue_head+0xa4/0x140
[  270.964528][ T5637]  gfs2_sys_fs_add+0x24f/0x4b0
[  270.969337][ T5637]  ? gfs2_recover_set+0x240/0x240
[  270.974579][ T5637]  ? snprintf+0xe5/0x140
[  270.978869][ T5637]  ? __free_pages+0x95/0x1a0
[  270.983505][ T5637]  ? vscnprintf+0x80/0x80
[  270.987876][ T5637]  gfs2_fill_super+0x11ed/0x1ea0
[  270.992861][ T5637]  ? gfs2_reconfigure+0xd80/0xd80
[  270.997985][ T5637]  ? sb_set_blocksize+0xa5/0xe0
[  271.002902][ T5637]  get_tree_bdev+0x3e6/0x610
[  271.007536][ T5637]  ? gfs2_reconfigure+0xd80/0xd80
[  271.012595][ T5637]  gfs2_get_tree+0x4d/0x1e0
[  271.017404][ T5637]  vfs_get_tree+0x88/0x270
[  271.021870][ T5637]  do_new_mount+0x247/0xa40
[  271.026415][ T5637]  __se_sys_mount+0x2e3/0x3d0
[  271.031141][ T5637]  ? __x64_sys_mount+0xc0/0xc0
[  271.036081][ T5637]  ? lockdep_hardirqs_on+0x94/0x140
[  271.041322][ T5637]  ? __x64_sys_mount+0x1c/0xc0
[  271.046141][ T5637]  do_syscall_64+0x4c/0xa0
[  271.050610][ T5637]  ? clear_bhb_loop+0x30/0x80
[  271.055324][ T5637]  ? clear_bhb_loop+0x30/0x80
[  271.060038][ T5637]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  271.065971][ T5637] RIP: 0033:0x7fc636086b8a
[  271.070427][ T5637] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  271.090065][ T5637] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.098523][ T5637] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  271.106545][ T5637] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  271.114558][ T5637] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  271.122658][ T5637] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  271.130842][ T5637] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  271.139041][ T5637]  </TASK>
[  271.147939][ T5637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.161316][ T5637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.578340][ T5639] loop1: detected capacity change from 0 to 32768
[  271.658452][ T5639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.674609][ T5639] CPU: 1 PID: 5639 Comm: syz.1.213 Not tainted syzkaller #0
[  271.682073][ T5639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  271.692428][ T5639] Call Trace:
[  271.696013][ T5639]  <TASK>
[  271.698969][ T5639]  dump_stack_lvl+0x188/0x250
[  271.703698][ T5639]  ? show_regs_print_info+0x20/0x20
[  271.708945][ T5639]  ? load_image+0x410/0x410
[  271.713505][ T5639]  sysfs_create_dir_ns+0x26a/0x290
[  271.718658][ T5639]  ? sysfs_warn_dup+0xa0/0xa0
[  271.723488][ T5639]  ? do_raw_spin_unlock+0x11d/0x230
[  271.728726][ T5639]  kobject_add_internal+0x5ba/0xcd0
[  271.734051][ T5639]  kobject_init_and_add+0x128/0x190
[  271.739305][ T5639]  ? lockdep_softirqs_off+0x430/0x430
[  271.744900][ T5639]  ? kobject_add+0x230/0x230
[  271.749533][ T5639]  ? __init_swait_queue_head+0xa4/0x140
[  271.755131][ T5639]  gfs2_sys_fs_add+0x24f/0x4b0
[  271.759950][ T5639]  ? gfs2_recover_set+0x240/0x240
[  271.765030][ T5639]  ? snprintf+0xe5/0x140
[  271.769323][ T5639]  ? __free_pages+0x95/0x1a0
[  271.773954][ T5639]  ? vscnprintf+0x80/0x80
[  271.778337][ T5639]  gfs2_fill_super+0x11ed/0x1ea0
[  271.783354][ T5639]  ? gfs2_reconfigure+0xd80/0xd80
[  271.788619][ T5639]  ? sb_set_blocksize+0xa5/0xe0
[  271.793519][ T5639]  get_tree_bdev+0x3e6/0x610
[  271.798149][ T5639]  ? gfs2_reconfigure+0xd80/0xd80
[  271.803214][ T5639]  gfs2_get_tree+0x4d/0x1e0
[  271.808411][ T5639]  vfs_get_tree+0x88/0x270
[  271.812868][ T5639]  do_new_mount+0x247/0xa40
[  271.817422][ T5639]  __se_sys_mount+0x2e3/0x3d0
[  271.822150][ T5639]  ? __x64_sys_mount+0xc0/0xc0
[  271.826957][ T5639]  ? lockdep_hardirqs_on+0x94/0x140
[  271.832421][ T5639]  ? __x64_sys_mount+0x1c/0xc0
[  271.837245][ T5639]  do_syscall_64+0x4c/0xa0
[  271.841703][ T5639]  ? clear_bhb_loop+0x30/0x80
[  271.846419][ T5639]  ? clear_bhb_loop+0x30/0x80
[  271.851138][ T5639]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  271.857172][ T5639] RIP: 0033:0x7fc636086b8a
[  271.861625][ T5639] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  271.881372][ T5639] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.889919][ T5639] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  271.897933][ T5639] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  271.905952][ T5639] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  271.913971][ T5639] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  271.921986][ T5639] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  271.930017][ T5639]  </TASK>
[  271.944424][ T5639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.965322][ T5639] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/27 01:05:45 executed programs: 200
[  272.263602][ T5641] loop1: detected capacity change from 0 to 32768
[  272.315424][ T5641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.323557][ T5641] CPU: 0 PID: 5641 Comm: syz.1.214 Not tainted syzkaller #0
[  272.331647][ T5641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  272.343633][ T5641] Call Trace:
[  272.346962][ T5641]  <TASK>
[  272.350152][ T5641]  dump_stack_lvl+0x188/0x250
[  272.354985][ T5641]  ? show_regs_print_info+0x20/0x20
[  272.360413][ T5641]  ? load_image+0x410/0x410
[  272.365066][ T5641]  sysfs_create_dir_ns+0x26a/0x290
[  272.370447][ T5641]  ? sysfs_warn_dup+0xa0/0xa0
[  272.375267][ T5641]  ? do_raw_spin_unlock+0x11d/0x230
[  272.380610][ T5641]  kobject_add_internal+0x5ba/0xcd0
[  272.385982][ T5641]  kobject_init_and_add+0x128/0x190
[  272.391231][ T5641]  ? lockdep_softirqs_off+0x430/0x430
[  272.396996][ T5641]  ? kobject_add+0x230/0x230
[  272.401699][ T5641]  ? __init_swait_queue_head+0xa4/0x140
[  272.407483][ T5641]  gfs2_sys_fs_add+0x24f/0x4b0
[  272.412296][ T5641]  ? gfs2_recover_set+0x240/0x240
[  272.417791][ T5641]  ? snprintf+0xe5/0x140
[  272.422151][ T5641]  ? __free_pages+0x95/0x1a0
[  272.426787][ T5641]  ? vscnprintf+0x80/0x80
[  272.431166][ T5641]  gfs2_fill_super+0x11ed/0x1ea0
[  272.436248][ T5641]  ? gfs2_reconfigure+0xd80/0xd80
[  272.441360][ T5641]  ? sb_set_blocksize+0xa5/0xe0
[  272.446426][ T5641]  get_tree_bdev+0x3e6/0x610
[  272.451067][ T5641]  ? gfs2_reconfigure+0xd80/0xd80
[  272.456434][ T5641]  gfs2_get_tree+0x4d/0x1e0
[  272.461117][ T5641]  vfs_get_tree+0x88/0x270
[  272.465589][ T5641]  do_new_mount+0x247/0xa40
[  272.470153][ T5641]  __se_sys_mount+0x2e3/0x3d0
[  272.475166][ T5641]  ? __x64_sys_mount+0xc0/0xc0
[  272.479981][ T5641]  ? lockdep_hardirqs_on+0x94/0x140
[  272.485219][ T5641]  ? __x64_sys_mount+0x1c/0xc0
[  272.490022][ T5641]  do_syscall_64+0x4c/0xa0
[  272.494477][ T5641]  ? clear_bhb_loop+0x30/0x80
[  272.499190][ T5641]  ? clear_bhb_loop+0x30/0x80
[  272.503994][ T5641]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.509962][ T5641] RIP: 0033:0x7fc636086b8a
[  272.514411][ T5641] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  272.535111][ T5641] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.543754][ T5641] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  272.552111][ T5641] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  272.560252][ T5641] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  272.568359][ T5641] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  272.576369][ T5641] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  272.584387][ T5641]  </TASK>
[  272.588198][ T5641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.602014][ T5641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.007587][ T5643] loop1: detected capacity change from 0 to 32768
[  273.061798][ T5643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.069275][ T5643] CPU: 1 PID: 5643 Comm: syz.1.215 Not tainted syzkaller #0
[  273.076639][ T5643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  273.086928][ T5643] Call Trace:
[  273.090249][ T5643]  <TASK>
[  273.093216][ T5643]  dump_stack_lvl+0x188/0x250
[  273.097977][ T5643]  ? show_regs_print_info+0x20/0x20
[  273.103232][ T5643]  ? load_image+0x410/0x410
[  273.107788][ T5643]  sysfs_create_dir_ns+0x26a/0x290
[  273.112945][ T5643]  ? sysfs_warn_dup+0xa0/0xa0
[  273.117668][ T5643]  ? do_raw_spin_unlock+0x11d/0x230
[  273.122914][ T5643]  kobject_add_internal+0x5ba/0xcd0
[  273.128171][ T5643]  kobject_init_and_add+0x128/0x190
[  273.133415][ T5643]  ? lockdep_softirqs_off+0x430/0x430
[  273.139017][ T5643]  ? kobject_add+0x230/0x230
[  273.143656][ T5643]  ? __init_swait_queue_head+0xa4/0x140
[  273.149419][ T5643]  gfs2_sys_fs_add+0x24f/0x4b0
[  273.154312][ T5643]  ? gfs2_recover_set+0x240/0x240
[  273.159383][ T5643]  ? snprintf+0xe5/0x140
[  273.163656][ T5643]  ? __free_pages+0x95/0x1a0
[  273.168295][ T5643]  ? vscnprintf+0x80/0x80
[  273.172668][ T5643]  gfs2_fill_super+0x11ed/0x1ea0
[  273.177871][ T5643]  ? gfs2_reconfigure+0xd80/0xd80
[  273.182960][ T5643]  ? sb_set_blocksize+0xa5/0xe0
[  273.187856][ T5643]  get_tree_bdev+0x3e6/0x610
[  273.192489][ T5643]  ? gfs2_reconfigure+0xd80/0xd80
[  273.197581][ T5643]  gfs2_get_tree+0x4d/0x1e0
[  273.202130][ T5643]  vfs_get_tree+0x88/0x270
[  273.206609][ T5643]  do_new_mount+0x247/0xa40
[  273.211351][ T5643]  __se_sys_mount+0x2e3/0x3d0
[  273.216071][ T5643]  ? __x64_sys_mount+0xc0/0xc0
[  273.220961][ T5643]  ? lockdep_hardirqs_on+0x94/0x140
[  273.226197][ T5643]  ? __x64_sys_mount+0x1c/0xc0
[  273.231056][ T5643]  do_syscall_64+0x4c/0xa0
[  273.235510][ T5643]  ? clear_bhb_loop+0x30/0x80
[  273.240405][ T5643]  ? clear_bhb_loop+0x30/0x80
[  273.245138][ T5643]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  273.251083][ T5643] RIP: 0033:0x7fc636086b8a
[  273.255540][ T5643] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  273.275185][ T5643] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.283737][ T5643] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  273.291939][ T5643] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  273.300070][ T5643] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  273.308084][ T5643] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  273.316116][ T5643] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  273.324185][ T5643]  </TASK>
[  273.328364][ T5643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.343805][ T5643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.707589][ T5645] loop1: detected capacity change from 0 to 32768
[  273.763388][ T5645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.770968][ T5645] CPU: 1 PID: 5645 Comm: syz.1.216 Not tainted syzkaller #0
[  273.778452][ T5645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  273.788636][ T5645] Call Trace:
[  273.791956][ T5645]  <TASK>
[  273.794920][ T5645]  dump_stack_lvl+0x188/0x250
[  273.799635][ T5645]  ? show_regs_print_info+0x20/0x20
[  273.804978][ T5645]  ? load_image+0x410/0x410
[  273.809537][ T5645]  sysfs_create_dir_ns+0x26a/0x290
[  273.814696][ T5645]  ? sysfs_warn_dup+0xa0/0xa0
[  273.819537][ T5645]  ? do_raw_spin_unlock+0x11d/0x230
[  273.824882][ T5645]  kobject_add_internal+0x5ba/0xcd0
[  273.830146][ T5645]  kobject_init_and_add+0x128/0x190
[  273.835658][ T5645]  ? lockdep_softirqs_off+0x430/0x430
[  273.841258][ T5645]  ? kobject_add+0x230/0x230
[  273.845925][ T5645]  ? __init_swait_queue_head+0xa4/0x140
[  273.851607][ T5645]  gfs2_sys_fs_add+0x24f/0x4b0
[  273.856678][ T5645]  ? gfs2_recover_set+0x240/0x240
[  273.862011][ T5645]  ? snprintf+0xe5/0x140
[  273.866294][ T5645]  ? __free_pages+0x95/0x1a0
[  273.870927][ T5645]  ? vscnprintf+0x80/0x80
[  273.875309][ T5645]  gfs2_fill_super+0x11ed/0x1ea0
[  273.880302][ T5645]  ? gfs2_reconfigure+0xd80/0xd80
[  273.885654][ T5645]  ? sb_set_blocksize+0xa5/0xe0
[  273.890613][ T5645]  get_tree_bdev+0x3e6/0x610
[  273.895259][ T5645]  ? gfs2_reconfigure+0xd80/0xd80
[  273.900445][ T5645]  gfs2_get_tree+0x4d/0x1e0
[  273.904987][ T5645]  vfs_get_tree+0x88/0x270
[  273.909446][ T5645]  do_new_mount+0x247/0xa40
[  273.914090][ T5645]  __se_sys_mount+0x2e3/0x3d0
[  273.918821][ T5645]  ? __x64_sys_mount+0xc0/0xc0
[  273.923789][ T5645]  ? lockdep_hardirqs_on+0x94/0x140
[  273.929033][ T5645]  ? __x64_sys_mount+0x1c/0xc0
[  273.933845][ T5645]  do_syscall_64+0x4c/0xa0
[  273.938387][ T5645]  ? clear_bhb_loop+0x30/0x80
[  273.943108][ T5645]  ? clear_bhb_loop+0x30/0x80
[  273.947862][ T5645]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  273.953801][ T5645] RIP: 0033:0x7fc636086b8a
[  273.958271][ T5645] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  273.978054][ T5645] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.986779][ T5645] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  273.994795][ T5645] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  274.002961][ T5645] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  274.011243][ T5645] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  274.019449][ T5645] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  274.027931][ T5645]  </TASK>
[  274.037650][ T5645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.055673][ T5645] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.322374][ T5647] loop1: detected capacity change from 0 to 32768
[  274.386958][ T5647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.395745][ T5647] CPU: 0 PID: 5647 Comm: syz.1.217 Not tainted syzkaller #0
[  274.403183][ T5647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  274.413461][ T5647] Call Trace:
[  274.416873][ T5647]  <TASK>
[  274.419849][ T5647]  dump_stack_lvl+0x188/0x250
[  274.425025][ T5647]  ? show_regs_print_info+0x20/0x20
[  274.430389][ T5647]  ? load_image+0x410/0x410
[  274.435145][ T5647]  sysfs_create_dir_ns+0x26a/0x290
[  274.440311][ T5647]  ? sysfs_warn_dup+0xa0/0xa0
[  274.445044][ T5647]  ? do_raw_spin_unlock+0x11d/0x230
[  274.450384][ T5647]  kobject_add_internal+0x5ba/0xcd0
[  274.455643][ T5647]  kobject_init_and_add+0x128/0x190
[  274.460894][ T5647]  ? lockdep_softirqs_off+0x430/0x430
[  274.466325][ T5647]  ? kobject_add+0x230/0x230
[  274.470971][ T5647]  ? __init_swait_queue_head+0xa4/0x140
[  274.476571][ T5647]  gfs2_sys_fs_add+0x24f/0x4b0
[  274.481407][ T5647]  ? gfs2_recover_set+0x240/0x240
[  274.486477][ T5647]  ? snprintf+0xe5/0x140
[  274.491188][ T5647]  ? __free_pages+0x95/0x1a0
[  274.495825][ T5647]  ? vscnprintf+0x80/0x80
[  274.500195][ T5647]  gfs2_fill_super+0x11ed/0x1ea0
[  274.505299][ T5647]  ? gfs2_reconfigure+0xd80/0xd80
[  274.510430][ T5647]  ? sb_set_blocksize+0xa5/0xe0
[  274.515339][ T5647]  get_tree_bdev+0x3e6/0x610
[  274.519977][ T5647]  ? gfs2_reconfigure+0xd80/0xd80
[  274.525140][ T5647]  gfs2_get_tree+0x4d/0x1e0
[  274.529785][ T5647]  vfs_get_tree+0x88/0x270
[  274.534254][ T5647]  do_new_mount+0x247/0xa40
[  274.538809][ T5647]  __se_sys_mount+0x2e3/0x3d0
[  274.543537][ T5647]  ? __x64_sys_mount+0xc0/0xc0
[  274.548412][ T5647]  ? lockdep_hardirqs_on+0x94/0x140
[  274.553655][ T5647]  ? __x64_sys_mount+0x1c/0xc0
[  274.558471][ T5647]  do_syscall_64+0x4c/0xa0
[  274.562919][ T5647]  ? clear_bhb_loop+0x30/0x80
[  274.567636][ T5647]  ? clear_bhb_loop+0x30/0x80
[  274.572350][ T5647]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  274.578281][ T5647] RIP: 0033:0x7fc636086b8a
[  274.582832][ T5647] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  274.602746][ T5647] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.611209][ T5647] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  274.619232][ T5647] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  274.627473][ T5647] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  274.635684][ T5647] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  274.644041][ T5647] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  274.652228][ T5647]  </TASK>
[  274.659068][ T5647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.674287][ T5647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.064723][ T5649] loop1: detected capacity change from 0 to 32768
[  275.143927][ T5649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.151719][ T5649] CPU: 0 PID: 5649 Comm: syz.1.218 Not tainted syzkaller #0
[  275.159048][ T5649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  275.169322][ T5649] Call Trace:
[  275.172642][ T5649]  <TASK>
[  275.175609][ T5649]  dump_stack_lvl+0x188/0x250
[  275.180337][ T5649]  ? show_regs_print_info+0x20/0x20
[  275.185589][ T5649]  ? load_image+0x410/0x410
[  275.190159][ T5649]  sysfs_create_dir_ns+0x26a/0x290
[  275.195324][ T5649]  ? sysfs_warn_dup+0xa0/0xa0
[  275.200050][ T5649]  ? do_raw_spin_unlock+0x11d/0x230
[  275.205306][ T5649]  kobject_add_internal+0x5ba/0xcd0
[  275.210559][ T5649]  kobject_init_and_add+0x128/0x190
[  275.215806][ T5649]  ? lockdep_softirqs_off+0x430/0x430
[  275.221226][ T5649]  ? kobject_add+0x230/0x230
[  275.225865][ T5649]  ? __init_swait_queue_head+0xa4/0x140
[  275.231558][ T5649]  gfs2_sys_fs_add+0x24f/0x4b0
[  275.236369][ T5649]  ? gfs2_recover_set+0x240/0x240
[  275.241530][ T5649]  ? snprintf+0xe5/0x140
[  275.245899][ T5649]  ? __free_pages+0x95/0x1a0
[  275.250534][ T5649]  ? vscnprintf+0x80/0x80
[  275.254914][ T5649]  gfs2_fill_super+0x11ed/0x1ea0
[  275.259920][ T5649]  ? gfs2_reconfigure+0xd80/0xd80
[  275.265145][ T5649]  ? sb_set_blocksize+0xa5/0xe0
[  275.270129][ T5649]  get_tree_bdev+0x3e6/0x610
[  275.274863][ T5649]  ? gfs2_reconfigure+0xd80/0xd80
[  275.279947][ T5649]  gfs2_get_tree+0x4d/0x1e0
[  275.284549][ T5649]  vfs_get_tree+0x88/0x270
[  275.289018][ T5649]  do_new_mount+0x247/0xa40
[  275.293578][ T5649]  __se_sys_mount+0x2e3/0x3d0
[  275.298308][ T5649]  ? __x64_sys_mount+0xc0/0xc0
[  275.303289][ T5649]  ? lockdep_hardirqs_on+0x94/0x140
[  275.308534][ T5649]  ? __x64_sys_mount+0x1c/0xc0
[  275.313528][ T5649]  do_syscall_64+0x4c/0xa0
[  275.318158][ T5649]  ? clear_bhb_loop+0x30/0x80
[  275.322871][ T5649]  ? clear_bhb_loop+0x30/0x80
[  275.327758][ T5649]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  275.333889][ T5649] RIP: 0033:0x7fc636086b8a
[  275.338428][ T5649] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[  275.358421][ T5649] RSP: 002b:00007fc6352eae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.366888][ T5649] RAX: ffffffffffffffda RBX: 00007fc6352eaee0 RCX: 00007fc636086b8a
[  275.374904][ T5649] RDX: 0000200000000280 RSI: 0000200000000100 RDI: 00007fc6352eaea0
[  275.382937][ T5649] RBP: 0000200000000280 R08: 00007fc6352eaee0 R09: 0000000000008c1b
[  275.391104][ T5649] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  275.399208][ T5649] R13: 00007fc6352eaea0 R14: 00000000000127f8 R15: 00002000000004c0
[  275.407363][ T5649]  </TASK>
[  275.415441][ T5649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.428885][ T5649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.641945][   T27] INFO: task syz-executor:4978 blocked for more than 143 seconds.
[  275.650052][   T27]       Not tainted syzkaller #0
[  275.657948][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  275.667017][   T27] task:syz-executor    state:D stack:21872 pid: 4978 ppid:     1 flags:0x00004004
[  275.676883][   T27] Call Trace:
[  275.680235][   T27]  <TASK>
[  275.683603][   T27]  __schedule+0x11c3/0x4350
[  275.688351][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  275.694051][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  275.699997][   T27]  ? _raw_spin_unlock+0x40/0x40
[  275.705327][   T27]  ? rcu_is_watching+0x11/0xa0
[  275.710226][   T27]  ? release_firmware_map_entry+0x190/0x190
[  275.716647][   T27]  schedule+0x11b/0x1e0
[  275.720870][   T27]  schedule_timeout+0x184/0x2d0
[  275.726869][   T27]  ? console_conditional_schedule+0x40/0x40
[  275.733201][   T27]  ? update_process_times+0x200/0x200
[  275.738642][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  275.744797][   T27]  gfs2_gl_hash_clear+0x1b4/0x300
[  275.749887][   T27]  ? thaw_glock+0x150/0x150
[  275.754827][   T27]  ? gfs2_jindex_free+0x3d2/0x440
[  275.759907][   T27]  ? init_wait_entry+0xd0/0xd0
[  275.765799][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  275.770984][   T27]  ? gfs2_clear_rgrpd+0x68a/0x6b0
[  275.777758][   T27]  gfs2_put_super+0x754/0x7c0
[  275.783969][   T27]  ? gfs2_evict_inode+0x1340/0x1340
[  275.789225][   T27]  generic_shutdown_super+0x130/0x300
[  275.796247][   T27]  kill_block_super+0x7c/0xe0
[  275.800986][   T27]  deactivate_locked_super+0x93/0xf0
[  275.807863][   T27]  cleanup_mnt+0x426/0x4d0
[  275.813809][   T27]  task_work_run+0x125/0x1a0
[  275.818460][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  275.825446][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  275.831040][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  275.838044][   T27]  do_syscall_64+0x58/0xa0
[  275.844105][   T27]  ? clear_bhb_loop+0x30/0x80
[  275.848881][   T27]  ? clear_bhb_loop+0x30/0x80
[  275.855110][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  275.861258][   T27] RIP: 0033:0x7f047cdbeb57
[  275.867499][   T27] RSP: 002b:00007ffe09c02508 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  275.876619][   T27] RAX: 0000000000000000 RBX: 00007f047ce4ed3a RCX: 00007f047cdbeb57
[  275.885178][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe09c025c0
[  275.893517][   T27] RBP: 00007ffe09c025c0 R08: 00007ffe09c035c0 R09: 00000000ffffffff
[  275.902041][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe09c03650
[  275.910062][   T27] R13: 00007f047ce4ed3a R14: 000000000001d6c1 R15: 00007ffe09c03690
[  275.918537][   T27]  </TASK>
[  275.922122][   T27] 
[  275.922122][   T27] Showing all locks held in the system:
[  275.930392][   T27] 1 lock held by khungtaskd/27:
[  275.935746][   T27]  #0: ffffffff8c31ef20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  275.945666][   T27] 2 locks held by getty/3946:
[  275.950514][   T27]  #0: ffff88802be92098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  275.961033][   T27]  #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[  275.972868][   T27] 1 lock held by syz-executor/4978:
[  275.978432][   T27]  #0: ffff88807c29a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  275.989094][   T27] 3 locks held by syz.1.219/5651:
[  275.994532][   T27] 
[  275.996888][   T27] =============================================
[  275.996888][   T27] 
[  276.006575][   T27] NMI backtrace for cpu 0
[  276.010945][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  276.018449][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  276.028563][   T27] Call Trace:
[  276.032122][   T27]  <TASK>
[  276.035184][   T27]  dump_stack_lvl+0x188/0x250
[  276.040149][   T27]  ? show_regs_print_info+0x20/0x20
[  276.045592][   T27]  ? load_image+0x410/0x410
[  276.050143][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  276.055562][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  276.060727][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  276.065713][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  276.071950][   T27]  ? _printk+0xda/0x130
[  276.076147][   T27]  ? load_image+0x410/0x410
[  276.080708][   T27]  ? load_image+0x410/0x410
[  276.085432][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  276.091637][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  276.097755][   T27]  watchdog+0xe1b/0xe60
[  276.101996][   T27]  kthread+0x42e/0x520
[  276.106106][   T27]  ? hungtask_pm_notify+0x40/0x40
[  276.111272][   T27]  ? kthread_blkcg+0xd0/0xd0
[  276.116002][   T27]  ret_from_fork+0x1f/0x30
[  276.120469][   T27]  </TASK>
[  276.123983][   T27] Sending NMI from CPU 0 to CPUs 1:
[  276.129324][    C1] NMI backtrace for cpu 1
[  276.129337][    C1] CPU: 1 PID: 5651 Comm: syz.1.219 Not tainted syzkaller #0
[  276.129354][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  276.129364][    C1] RIP: 0010:lock_release+0xae/0x8a0
[  276.129390][    C1] Code: 83 fb 08 0f 83 4e 05 00 00 89 d8 c1 e8 06 48 8d 3c c5 68 e0 89 8d be 08 00 00 00 e8 1c bb 60 00 89 d8 48 0f a3 05 1a 87 2c 0c <73> 0d e8 2b 44 07 00 84 c0 0f 84 53 05 00 00 48 c7 c0 04 14 8a 8d
[  276.129411][    C1] RSP: 0018:ffffc90004bff680 EFLAGS: 00000057
[  276.129427][    C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff815d5944
[  276.129438][    C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8d89e068
[  276.129450][    C1] RBP: ffffc90004bff790 R08: ffffffff8d89e06f R09: 1ffffffff1b13c0d
[  276.129462][    C1] R10: dffffc0000000000 R11: fffffbfff1b13c0e R12: 1ffff9200097fedc
[  276.129475][    C1] R13: dffffc0000000000 R14: 0000000000000cc0 R15: ffffea0001807140
[  276.129488][    C1] FS:  00007fc6352eb6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[  276.129503][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  276.129515][    C1] CR2: 00007fc62deca000 CR3: 00000000743c7000 CR4: 00000000003506e0
[  276.129530][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  276.129540][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  276.129551][    C1] Call Trace:
[  276.129556][    C1]  <TASK>
[  276.129563][    C1]  ? read_lock_is_recursive+0x10/0x10
[  276.129584][    C1]  ? rcu_lock_acquire+0x30/0x30
[  276.129604][    C1]  ? __lock_acquire+0x7b50/0x7b50
[  276.129626][    C1]  ? __mod_lruvec_page_state+0x1fe/0x330
[  276.129648][    C1]  shmem_add_to_page_cache+0xfe5/0x14d0
[  276.129675][    C1]  ? put_page+0x200/0x200
[  276.129694][    C1]  ? _raw_spin_lock_irq+0xb7/0xf0
[  276.129711][    C1]  ? _raw_spin_lock_irqsave+0x100/0x100
[  276.129729][    C1]  ? _raw_spin_unlock_irq+0x1f/0x40
[  276.129746][    C1]  ? lockdep_hardirqs_on+0x94/0x140
[  276.129766][    C1]  shmem_getpage_gfp+0x1735/0x2c10
[  276.129800][    C1]  shmem_write_begin+0xcd/0x1a0
[  276.129821][    C1]  generic_perform_write+0x2b6/0x550
[  276.129845][    C1]  ? grab_cache_page_write_begin+0xa0/0xa0
[  276.129863][    C1]  ? file_remove_privs+0x5d0/0x5d0
[  276.129885][    C1]  ? rwsem_write_trylock+0x135/0x1c0
[  276.129904][    C1]  ? clear_nonspinnable+0x60/0x60
[  276.129930][    C1]  __generic_file_write_iter+0x261/0x4e0
[  276.129947][    C1]  ? generic_write_checks+0x3be/0x460
[  276.129973][    C1]  generic_file_write_iter+0xa6/0x1b0
[  276.129991][    C1]  vfs_write+0x748/0xd70
[  276.130010][    C1]  ? file_end_write+0x250/0x250
[  276.130030][    C1]  ? __fget_files+0x402/0x470
[  276.130050][    C1]  ? __fdget_pos+0x1e2/0x370
[  276.130064][    C1]  ? ksys_write+0x70/0x260
[  276.130081][    C1]  ksys_write+0x153/0x260
[  276.130097][    C1]  ? __ia32_sys_read+0x80/0x80
[  276.130115][    C1]  ? lockdep_hardirqs_on+0x94/0x140
[  276.130136][    C1]  do_syscall_64+0x4c/0xa0
[  276.130152][    C1]  ? clear_bhb_loop+0x30/0x80
[  276.130168][    C1]  ? clear_bhb_loop+0x30/0x80
[  276.130185][    C1]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.130203][    C1] RIP: 0033:0x7fc6360461ce
[  276.130219][    C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[  276.130233][    C1] RSP: 002b:00007fc6352eada8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  276.130248][    C1] RAX: ffffffffffffffda RBX: 00007fc6352eb6c0 RCX: 00007fc6360461ce
[  276.130260][    C1] RDX: 0000000001000000 RSI: 00007fc62cecb000 RDI: 0000000000000003
[  276.130272][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  276.130281][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  276.130291][    C1] R13: 00007fc6352eaee0 R14: 00007fc6352eaea0 R15: 00007fc62cecb000
[  276.130311][    C1]  </TASK>
[  276.431563][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  276.518655][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  276.525880][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  276.536050][   T27] Call Trace:
[  276.539364][   T27]  <TASK>
[  276.542344][   T27]  dump_stack_lvl+0x188/0x250
[  276.547063][   T27]  ? show_regs_print_info+0x20/0x20
[  276.552288][   T27]  ? load_image+0x410/0x410
[  276.556834][   T27]  panic+0x2f8/0x850
[  276.560851][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  276.566529][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  276.571313][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  276.577069][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  276.583354][   T27]  watchdog+0xe5a/0xe60
[  276.587553][   T27]  kthread+0x42e/0x520
[  276.591749][   T27]  ? hungtask_pm_notify+0x40/0x40
[  276.596803][   T27]  ? kthread_blkcg+0xd0/0xd0
[  276.601426][   T27]  ret_from_fork+0x1f/0x30
[  276.605962][   T27]  </TASK>
[  276.609273][   T27] Kernel Offset: disabled
[  276.613651][   T27] Rebooting in 86400 seconds..