][ T6285] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  210.917440][ T6285] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  210.925403][ T6285] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  210.933368][ T6285] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  210.941332][ T6285] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  210.949316][ T6285]  </TASK>
[  210.955833][ T6285] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.970152][ T6285] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.338655][ T6287] loop1: detected capacity change from 0 to 32768
[  211.350101][ T6287] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.357505][ T6287] CPU: 1 PID: 6287 Comm: syz.1.179 Not tainted syzkaller #0
[  211.364805][ T6287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  211.374877][ T6287] Call Trace:
[  211.378184][ T6287]  <TASK>
[  211.381134][ T6287]  dump_stack_lvl+0x18c/0x250
[  211.385840][ T6287]  ? show_regs_print_info+0x20/0x20
[  211.391073][ T6287]  ? load_image+0x420/0x420
[  211.395616][ T6287]  sysfs_create_dir_ns+0x26e/0x2a0
[  211.400751][ T6287]  ? __lock_acquire+0x7d80/0x7d80
[  211.405800][ T6287]  ? sysfs_warn_dup+0xa0/0xa0
[  211.410500][ T6287]  ? do_raw_spin_unlock+0x121/0x230
[  211.415727][ T6287]  kobject_add_internal+0x617/0xc90
[  211.420978][ T6287]  kobject_init_and_add+0x12c/0x1a0
[  211.426205][ T6287]  ? lockdep_softirqs_off+0x440/0x440
[  211.431603][ T6287]  ? kobject_add+0x240/0x240
[  211.436222][ T6287]  ? __init_swait_queue_head+0xa8/0x140
[  211.441800][ T6287]  gfs2_sys_fs_add+0x253/0x4b0
[  211.446674][ T6287]  ? gfs2_recover_set+0x250/0x250
[  211.451729][ T6287]  ? apply_workqueue_attrs+0x180/0x180
[  211.457218][ T6287]  gfs2_fill_super+0x1344/0x1f90
[  211.462180][ T6287]  ? gfs2_reconfigure+0xb20/0xb20
[  211.467328][ T6287]  ? setup_bdev_super+0x56b/0x660
[  211.472350][ T6287]  get_tree_bdev+0x3e5/0x520
[  211.476938][ T6287]  ? kfree+0x31/0x1a0
[  211.480914][ T6287]  ? gfs2_reconfigure+0xb20/0xb20
[  211.485961][ T6287]  ? setup_bdev_super+0x660/0x660
[  211.490987][ T6287]  gfs2_get_tree+0x51/0x1e0
[  211.495750][ T6287]  vfs_get_tree+0x8c/0x280
[  211.500171][ T6287]  do_new_mount+0x24a/0xa40
[  211.504678][ T6287]  __se_sys_mount+0x2e7/0x3d0
[  211.509357][ T6287]  ? __x64_sys_mount+0xc0/0xc0
[  211.514120][ T6287]  ? lockdep_hardirqs_on+0x98/0x150
[  211.519332][ T6287]  ? __x64_sys_mount+0x20/0xc0
[  211.524099][ T6287]  do_syscall_64+0x55/0xb0
[  211.528516][ T6287]  ? clear_bhb_loop+0x40/0x90
[  211.533188][ T6287]  ? clear_bhb_loop+0x40/0x90
[  211.537860][ T6287]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  211.543760][ T6287] RIP: 0033:0x7fa06ef9f34a
[  211.548175][ T6287] 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
[  211.567784][ T6287] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.576198][ T6287] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  211.584163][ T6287] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  211.592125][ T6287] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  211.600088][ T6287] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  211.608051][ T6287] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  211.616043][ T6287]  </TASK>
[  211.623827][ T6287] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.638331][ T6287] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.990235][ T6289] loop1: detected capacity change from 0 to 32768
[  212.001024][ T6289] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.008514][ T6289] CPU: 1 PID: 6289 Comm: syz.1.180 Not tainted syzkaller #0
[  212.015818][ T6289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  212.025886][ T6289] Call Trace:
[  212.029180][ T6289]  <TASK>
[  212.032125][ T6289]  dump_stack_lvl+0x18c/0x250
[  212.036829][ T6289]  ? show_regs_print_info+0x20/0x20
[  212.042047][ T6289]  ? load_image+0x420/0x420
[  212.046585][ T6289]  sysfs_create_dir_ns+0x26e/0x2a0
[  212.051719][ T6289]  ? __lock_acquire+0x7d80/0x7d80
[  212.056759][ T6289]  ? sysfs_warn_dup+0xa0/0xa0
[  212.061447][ T6289]  ? do_raw_spin_unlock+0x121/0x230
[  212.066689][ T6289]  kobject_add_internal+0x617/0xc90
[  212.071881][ T6289]  kobject_init_and_add+0x12c/0x1a0
[  212.077066][ T6289]  ? lockdep_softirqs_off+0x440/0x440
[  212.082426][ T6289]  ? kobject_add+0x240/0x240
[  212.087013][ T6289]  ? __init_swait_queue_head+0xa8/0x140
[  212.092542][ T6289]  gfs2_sys_fs_add+0x253/0x4b0
[  212.097292][ T6289]  ? gfs2_recover_set+0x250/0x250
[  212.102313][ T6289]  ? apply_workqueue_attrs+0x180/0x180
[  212.107763][ T6289]  gfs2_fill_super+0x1344/0x1f90
[  212.112702][ T6289]  ? gfs2_reconfigure+0xb20/0xb20
[  212.117746][ T6289]  ? setup_bdev_super+0x56b/0x660
[  212.122767][ T6289]  get_tree_bdev+0x3e5/0x520
[  212.127350][ T6289]  ? kfree+0x31/0x1a0
[  212.131327][ T6289]  ? gfs2_reconfigure+0xb20/0xb20
[  212.136343][ T6289]  ? setup_bdev_super+0x660/0x660
[  212.141367][ T6289]  gfs2_get_tree+0x51/0x1e0
[  212.145899][ T6289]  vfs_get_tree+0x8c/0x280
[  212.150309][ T6289]  do_new_mount+0x24a/0xa40
[  212.154812][ T6289]  __se_sys_mount+0x2e7/0x3d0
[  212.159498][ T6289]  ? __x64_sys_mount+0xc0/0xc0
[  212.164258][ T6289]  ? lockdep_hardirqs_on+0x98/0x150
[  212.169457][ T6289]  ? __x64_sys_mount+0x20/0xc0
[  212.174214][ T6289]  do_syscall_64+0x55/0xb0
[  212.178621][ T6289]  ? clear_bhb_loop+0x40/0x90
[  212.183288][ T6289]  ? clear_bhb_loop+0x40/0x90
[  212.187957][ T6289]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  212.193841][ T6289] RIP: 0033:0x7fa06ef9f34a
[  212.198247][ T6289] 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
[  212.217845][ T6289] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.226253][ T6289] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  212.234242][ T6289] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  212.242208][ T6289] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  212.250171][ T6289] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  212.258133][ T6289] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  212.266110][ T6289]  </TASK>
[  212.271254][ T6289] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.287142][ T6289] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.637397][ T6291] loop1: detected capacity change from 0 to 32768
[  212.651964][ T6291] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.659523][ T6291] CPU: 1 PID: 6291 Comm: syz.1.181 Not tainted syzkaller #0
[  212.666832][ T6291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  212.677166][ T6291] Call Trace:
[  212.680459][ T6291]  <TASK>
[  212.683408][ T6291]  dump_stack_lvl+0x18c/0x250
[  212.688113][ T6291]  ? show_regs_print_info+0x20/0x20
[  212.693344][ T6291]  ? load_image+0x420/0x420
[  212.697886][ T6291]  sysfs_create_dir_ns+0x26e/0x2a0
[  212.703024][ T6291]  ? __lock_acquire+0x7d80/0x7d80
[  212.708072][ T6291]  ? sysfs_warn_dup+0xa0/0xa0
[  212.712777][ T6291]  ? do_raw_spin_unlock+0x121/0x230
[  212.718026][ T6291]  kobject_add_internal+0x617/0xc90
[  212.723261][ T6291]  kobject_init_and_add+0x12c/0x1a0
[  212.728474][ T6291]  ? lockdep_softirqs_off+0x440/0x440
[  212.733848][ T6291]  ? kobject_add+0x240/0x240
[  212.738440][ T6291]  ? __init_swait_queue_head+0xa8/0x140
[  212.743983][ T6291]  gfs2_sys_fs_add+0x253/0x4b0
[  212.748743][ T6291]  ? gfs2_recover_set+0x250/0x250
[  212.753772][ T6291]  ? apply_workqueue_attrs+0x180/0x180
[  212.759240][ T6291]  gfs2_fill_super+0x1344/0x1f90
[  212.764186][ T6291]  ? gfs2_reconfigure+0xb20/0xb20
[  212.769222][ T6291]  ? setup_bdev_super+0x56b/0x660
[  212.774255][ T6291]  get_tree_bdev+0x3e5/0x520
[  212.779108][ T6291]  ? kfree+0x31/0x1a0
[  212.783096][ T6291]  ? gfs2_reconfigure+0xb20/0xb20
[  212.788144][ T6291]  ? setup_bdev_super+0x660/0x660
[  212.793172][ T6291]  gfs2_get_tree+0x51/0x1e0
[  212.797672][ T6291]  vfs_get_tree+0x8c/0x280
[  212.802082][ T6291]  do_new_mount+0x24a/0xa40
[  212.806585][ T6291]  __se_sys_mount+0x2e7/0x3d0
[  212.811258][ T6291]  ? __x64_sys_mount+0xc0/0xc0
[  212.816035][ T6291]  ? lockdep_hardirqs_on+0x98/0x150
[  212.821229][ T6291]  ? __x64_sys_mount+0x20/0xc0
[  212.825985][ T6291]  do_syscall_64+0x55/0xb0
[  212.830393][ T6291]  ? clear_bhb_loop+0x40/0x90
[  212.835071][ T6291]  ? clear_bhb_loop+0x40/0x90
[  212.839742][ T6291]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  212.845625][ T6291] RIP: 0033:0x7fa06ef9f34a
[  212.850033][ T6291] 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
[  212.869642][ T6291] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.878060][ T6291] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  212.886028][ T6291] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  212.894002][ T6291] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  212.901968][ T6291] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  212.909935][ T6291] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  212.918000][ T6291]  </TASK>
[  212.942836][ T6291] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.960946][ T6291] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.265604][ T6293] loop1: detected capacity change from 0 to 32768
[  213.278713][ T6293] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.287651][ T6293] CPU: 0 PID: 6293 Comm: syz.1.182 Not tainted syzkaller #0
[  213.295130][ T6293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  213.305179][ T6293] Call Trace:
[  213.308467][ T6293]  <TASK>
[  213.311391][ T6293]  dump_stack_lvl+0x18c/0x250
[  213.316067][ T6293]  ? show_regs_print_info+0x20/0x20
[  213.321270][ T6293]  ? load_image+0x420/0x420
[  213.325790][ T6293]  sysfs_create_dir_ns+0x26e/0x2a0
[  213.330901][ T6293]  ? __lock_acquire+0x7d80/0x7d80
[  213.335925][ T6293]  ? sysfs_warn_dup+0xa0/0xa0
[  213.340596][ T6293]  ? do_raw_spin_unlock+0x121/0x230
[  213.345795][ T6293]  kobject_add_internal+0x617/0xc90
[  213.350999][ T6293]  kobject_init_and_add+0x12c/0x1a0
[  213.356196][ T6293]  ? lockdep_softirqs_off+0x440/0x440
[  213.361565][ T6293]  ? kobject_add+0x240/0x240
[  213.366155][ T6293]  ? __init_swait_queue_head+0xa8/0x140
[  213.371695][ T6293]  gfs2_sys_fs_add+0x253/0x4b0
[  213.376452][ T6293]  ? gfs2_recover_set+0x250/0x250
[  213.381476][ T6293]  ? apply_workqueue_attrs+0x180/0x180
[  213.386937][ T6293]  gfs2_fill_super+0x1344/0x1f90
[  213.391881][ T6293]  ? gfs2_reconfigure+0xb20/0xb20
[  213.396905][ T6293]  ? setup_bdev_super+0x56b/0x660
[  213.401921][ T6293]  get_tree_bdev+0x3e5/0x520
[  213.406500][ T6293]  ? kfree+0x31/0x1a0
[  213.410495][ T6293]  ? gfs2_reconfigure+0xb20/0xb20
[  213.415513][ T6293]  ? setup_bdev_super+0x660/0x660
[  213.420534][ T6293]  gfs2_get_tree+0x51/0x1e0
[  213.425035][ T6293]  vfs_get_tree+0x8c/0x280
[  213.429442][ T6293]  do_new_mount+0x24a/0xa40
[  213.433944][ T6293]  __se_sys_mount+0x2e7/0x3d0
[  213.438613][ T6293]  ? __x64_sys_mount+0xc0/0xc0
[  213.443369][ T6293]  ? lockdep_hardirqs_on+0x98/0x150
[  213.448564][ T6293]  ? __x64_sys_mount+0x20/0xc0
[  213.453322][ T6293]  do_syscall_64+0x55/0xb0
[  213.457730][ T6293]  ? clear_bhb_loop+0x40/0x90
[  213.462402][ T6293]  ? clear_bhb_loop+0x40/0x90
[  213.467074][ T6293]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  213.473133][ T6293] RIP: 0033:0x7fa06ef9f34a
[  213.477540][ T6293] 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
[  213.497135][ T6293] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.505542][ T6293] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  213.513505][ T6293] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  213.521466][ T6293] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  213.529429][ T6293] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  213.537391][ T6293] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  213.545363][ T6293]  </TASK>
[  213.549356][ T6293] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.567097][ T6293] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.894970][ T6295] loop1: detected capacity change from 0 to 32768
[  213.909392][ T6295] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.916801][ T6295] CPU: 0 PID: 6295 Comm: syz.1.183 Not tainted syzkaller #0
[  213.924097][ T6295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  213.934159][ T6295] Call Trace:
[  213.937434][ T6295]  <TASK>
[  213.940450][ T6295]  dump_stack_lvl+0x18c/0x250
[  213.945129][ T6295]  ? show_regs_print_info+0x20/0x20
[  213.950323][ T6295]  ? load_image+0x420/0x420
[  213.954824][ T6295]  ? sysfs_create_dir_ns+0x22f/0x2a0
[  213.960109][ T6295]  sysfs_create_dir_ns+0x26e/0x2a0
[  213.965213][ T6295]  ? __lock_acquire+0x7d80/0x7d80
[  213.970237][ T6295]  ? sysfs_warn_dup+0xa0/0xa0
[  213.974906][ T6295]  ? do_raw_spin_unlock+0x121/0x230
[  213.980102][ T6295]  kobject_add_internal+0x617/0xc90
[  213.985304][ T6295]  kobject_init_and_add+0x12c/0x1a0
[  213.990498][ T6295]  ? lockdep_softirqs_off+0x440/0x440
[  213.995866][ T6295]  ? kobject_add+0x240/0x240
[  214.000453][ T6295]  ? __init_swait_queue_head+0xa8/0x140
[  214.005996][ T6295]  gfs2_sys_fs_add+0x253/0x4b0
[  214.010758][ T6295]  ? gfs2_recover_set+0x250/0x250
[  214.015780][ T6295]  ? apply_workqueue_attrs+0x180/0x180
[  214.021243][ T6295]  gfs2_fill_super+0x1344/0x1f90
[  214.026184][ T6295]  ? gfs2_reconfigure+0xb20/0xb20
[  214.031210][ T6295]  ? setup_bdev_super+0x56b/0x660
[  214.036235][ T6295]  get_tree_bdev+0x3e5/0x520
[  214.040817][ T6295]  ? kfree+0x31/0x1a0
[  214.044794][ T6295]  ? gfs2_reconfigure+0xb20/0xb20
[  214.049814][ T6295]  ? setup_bdev_super+0x660/0x660
[  214.054835][ T6295]  gfs2_get_tree+0x51/0x1e0
[  214.059333][ T6295]  vfs_get_tree+0x8c/0x280
[  214.063742][ T6295]  do_new_mount+0x24a/0xa40
[  214.068244][ T6295]  __se_sys_mount+0x2e7/0x3d0
[  214.072918][ T6295]  ? __x64_sys_mount+0xc0/0xc0
[  214.077679][ T6295]  ? lockdep_hardirqs_on+0x98/0x150
[  214.082878][ T6295]  ? __x64_sys_mount+0x20/0xc0
[  214.087636][ T6295]  do_syscall_64+0x55/0xb0
[  214.092045][ T6295]  ? clear_bhb_loop+0x40/0x90
[  214.096715][ T6295]  ? clear_bhb_loop+0x40/0x90
[  214.101387][ T6295]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  214.107272][ T6295] RIP: 0033:0x7fa06ef9f34a
[  214.111679][ T6295] 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
[  214.131277][ T6295] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.139682][ T6295] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  214.147656][ T6295] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  214.155618][ T6295] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  214.163582][ T6295] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  214.171545][ T6295] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  214.179547][ T6295]  </TASK>
[  214.203362][ T6295] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.218406][ T6295] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.528185][ T6297] loop1: detected capacity change from 0 to 32768
[  214.548048][ T6297] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.555701][ T6297] CPU: 1 PID: 6297 Comm: syz.1.184 Not tainted syzkaller #0
[  214.563011][ T6297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  214.573082][ T6297] Call Trace:
[  214.576374][ T6297]  <TASK>
[  214.579321][ T6297]  dump_stack_lvl+0x18c/0x250
[  214.584029][ T6297]  ? show_regs_print_info+0x20/0x20
[  214.589248][ T6297]  ? load_image+0x420/0x420
[  214.593787][ T6297]  sysfs_create_dir_ns+0x26e/0x2a0
[  214.598919][ T6297]  ? __lock_acquire+0x7d80/0x7d80
[  214.604053][ T6297]  ? sysfs_warn_dup+0xa0/0xa0
[  214.608744][ T6297]  ? do_raw_spin_unlock+0x121/0x230
[  214.613936][ T6297]  kobject_add_internal+0x617/0xc90
[  214.619136][ T6297]  kobject_init_and_add+0x12c/0x1a0
[  214.624510][ T6297]  ? lockdep_softirqs_off+0x440/0x440
[  214.629886][ T6297]  ? kobject_add+0x240/0x240
[  214.634469][ T6297]  ? __init_swait_queue_head+0xa8/0x140
[  214.640004][ T6297]  gfs2_sys_fs_add+0x253/0x4b0
[  214.644754][ T6297]  ? gfs2_recover_set+0x250/0x250
[  214.649767][ T6297]  ? apply_workqueue_attrs+0x180/0x180
[  214.655220][ T6297]  gfs2_fill_super+0x1344/0x1f90
[  214.660169][ T6297]  ? gfs2_reconfigure+0xb20/0xb20
[  214.665234][ T6297]  ? setup_bdev_super+0x56b/0x660
[  214.670284][ T6297]  get_tree_bdev+0x3e5/0x520
[  214.674895][ T6297]  ? kfree+0x31/0x1a0
[  214.678895][ T6297]  ? gfs2_reconfigure+0xb20/0xb20
[  214.683941][ T6297]  ? setup_bdev_super+0x660/0x660
[  214.688995][ T6297]  gfs2_get_tree+0x51/0x1e0
[  214.693523][ T6297]  vfs_get_tree+0x8c/0x280
[  214.697962][ T6297]  do_new_mount+0x24a/0xa40
[  214.702493][ T6297]  __se_sys_mount+0x2e7/0x3d0
[  214.707193][ T6297]  ? __x64_sys_mount+0xc0/0xc0
[  214.711987][ T6297]  ? lockdep_hardirqs_on+0x98/0x150
[  214.717201][ T6297]  ? __x64_sys_mount+0x20/0xc0
[  214.721960][ T6297]  do_syscall_64+0x55/0xb0
[  214.726470][ T6297]  ? clear_bhb_loop+0x40/0x90
[  214.731136][ T6297]  ? clear_bhb_loop+0x40/0x90
[  214.735809][ T6297]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  214.741688][ T6297] RIP: 0033:0x7fa06ef9f34a
[  214.746096][ T6297] 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
[  214.765693][ T6297] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.774096][ T6297] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  214.782055][ T6297] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  214.790099][ T6297] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  214.798057][ T6297] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  214.806013][ T6297] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  214.813982][ T6297]  </TASK>
[  214.822009][ T6297] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.836452][ T6297] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.184353][ T6299] loop1: detected capacity change from 0 to 32768
[  215.200899][ T6299] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.208295][ T6299] CPU: 1 PID: 6299 Comm: syz.1.185 Not tainted syzkaller #0
[  215.215578][ T6299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  215.225647][ T6299] Call Trace:
[  215.228947][ T6299]  <TASK>
[  215.231896][ T6299]  dump_stack_lvl+0x18c/0x250
[  215.236786][ T6299]  ? show_regs_print_info+0x20/0x20
[  215.242005][ T6299]  ? load_image+0x420/0x420
[  215.246541][ T6299]  sysfs_create_dir_ns+0x26e/0x2a0
[  215.251678][ T6299]  ? __lock_acquire+0x7d80/0x7d80
[  215.256722][ T6299]  ? sysfs_warn_dup+0xa0/0xa0
[  215.261420][ T6299]  ? do_raw_spin_unlock+0x121/0x230
[  215.266635][ T6299]  kobject_add_internal+0x617/0xc90
[  215.271842][ T6299]  kobject_init_and_add+0x12c/0x1a0
[  215.277039][ T6299]  ? lockdep_softirqs_off+0x440/0x440
[  215.282409][ T6299]  ? kobject_add+0x240/0x240
[  215.287345][ T6299]  ? __init_swait_queue_head+0xa8/0x140
[  215.292887][ T6299]  gfs2_sys_fs_add+0x253/0x4b0
[  215.297670][ T6299]  ? gfs2_recover_set+0x250/0x250
[  215.302711][ T6299]  ? apply_workqueue_attrs+0x180/0x180
[  215.308172][ T6299]  gfs2_fill_super+0x1344/0x1f90
[  215.313116][ T6299]  ? gfs2_reconfigure+0xb20/0xb20
[  215.318143][ T6299]  ? setup_bdev_super+0x56b/0x660
[  215.323165][ T6299]  get_tree_bdev+0x3e5/0x520
[  215.327768][ T6299]  ? kfree+0x31/0x1a0
[  215.331743][ T6299]  ? gfs2_reconfigure+0xb20/0xb20
[  215.336764][ T6299]  ? setup_bdev_super+0x660/0x660
[  215.341784][ T6299]  gfs2_get_tree+0x51/0x1e0
[  215.346286][ T6299]  vfs_get_tree+0x8c/0x280
[  215.350697][ T6299]  do_new_mount+0x24a/0xa40
[  215.355203][ T6299]  __se_sys_mount+0x2e7/0x3d0
[  215.359877][ T6299]  ? __x64_sys_mount+0xc0/0xc0
[  215.364633][ T6299]  ? lockdep_hardirqs_on+0x98/0x150
[  215.369831][ T6299]  ? __x64_sys_mount+0x20/0xc0
[  215.374594][ T6299]  do_syscall_64+0x55/0xb0
[  215.379003][ T6299]  ? clear_bhb_loop+0x40/0x90
[  215.383671][ T6299]  ? clear_bhb_loop+0x40/0x90
[  215.388343][ T6299]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  215.394227][ T6299] RIP: 0033:0x7fa06ef9f34a
[  215.398636][ T6299] 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
[  215.418239][ T6299] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.426649][ T6299] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  215.434613][ T6299] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  215.442580][ T6299] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  215.450541][ T6299] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  215.458504][ T6299] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  215.466483][ T6299]  </TASK>
[  215.472804][ T6299] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.513849][ T6299] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/16 15:55:41 executed programs: 171
[  215.834080][ T6301] loop1: detected capacity change from 0 to 32768
[  215.843839][ T6301] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.856291][ T6301] CPU: 1 PID: 6301 Comm: syz.1.186 Not tainted syzkaller #0
[  215.863617][ T6301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  215.873686][ T6301] Call Trace:
[  215.876978][ T6301]  <TASK>
[  215.879927][ T6301]  dump_stack_lvl+0x18c/0x250
[  215.884631][ T6301]  ? show_regs_print_info+0x20/0x20
[  215.889852][ T6301]  ? load_image+0x420/0x420
[  215.894392][ T6301]  sysfs_create_dir_ns+0x26e/0x2a0
[  215.899527][ T6301]  ? __lock_acquire+0x7d80/0x7d80
[  215.904573][ T6301]  ? sysfs_warn_dup+0xa0/0xa0
[  215.909270][ T6301]  ? do_raw_spin_unlock+0x121/0x230
[  215.914457][ T6301]  kobject_add_internal+0x617/0xc90
[  215.919645][ T6301]  kobject_init_and_add+0x12c/0x1a0
[  215.924865][ T6301]  ? lockdep_softirqs_off+0x440/0x440
[  215.930223][ T6301]  ? kobject_add+0x240/0x240
[  215.934804][ T6301]  ? __init_swait_queue_head+0xa8/0x140
[  215.940338][ T6301]  gfs2_sys_fs_add+0x253/0x4b0
[  215.945086][ T6301]  ? gfs2_recover_set+0x250/0x250
[  215.950115][ T6301]  ? apply_workqueue_attrs+0x180/0x180
[  215.955588][ T6301]  gfs2_fill_super+0x1344/0x1f90
[  215.960523][ T6301]  ? gfs2_reconfigure+0xb20/0xb20
[  215.965540][ T6301]  ? setup_bdev_super+0x56b/0x660
[  215.970608][ T6301]  get_tree_bdev+0x3e5/0x520
[  215.975281][ T6301]  ? kfree+0x31/0x1a0
[  215.980147][ T6301]  ? gfs2_reconfigure+0xb20/0xb20
[  215.986493][ T6301]  ? setup_bdev_super+0x660/0x660
[  215.991616][ T6301]  gfs2_get_tree+0x51/0x1e0
[  215.996681][ T6301]  vfs_get_tree+0x8c/0x280
[  216.001095][ T6301]  do_new_mount+0x24a/0xa40
[  216.005592][ T6301]  __se_sys_mount+0x2e7/0x3d0
[  216.010281][ T6301]  ? __x64_sys_mount+0xc0/0xc0
[  216.015038][ T6301]  ? lockdep_hardirqs_on+0x98/0x150
[  216.020223][ T6301]  ? __x64_sys_mount+0x20/0xc0
[  216.024972][ T6301]  do_syscall_64+0x55/0xb0
[  216.029376][ T6301]  ? clear_bhb_loop+0x40/0x90
[  216.034039][ T6301]  ? clear_bhb_loop+0x40/0x90
[  216.038704][ T6301]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  216.044581][ T6301] RIP: 0033:0x7fa06ef9f34a
[  216.048984][ T6301] 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
[  216.068587][ T6301] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.076985][ T6301] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  216.084958][ T6301] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  216.092923][ T6301] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  216.100888][ T6301] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  216.108871][ T6301] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  216.116855][ T6301]  </TASK>
[  216.121110][ T6301] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.136677][ T6301] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.511867][ T6303] loop1: detected capacity change from 0 to 32768
[  216.524397][ T6303] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.531886][ T6303] CPU: 1 PID: 6303 Comm: syz.1.187 Not tainted syzkaller #0
[  216.539186][ T6303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  216.549255][ T6303] Call Trace:
[  216.552549][ T6303]  <TASK>
[  216.555504][ T6303]  dump_stack_lvl+0x18c/0x250
[  216.560209][ T6303]  ? show_regs_print_info+0x20/0x20
[  216.565430][ T6303]  ? load_image+0x420/0x420
[  216.569979][ T6303]  sysfs_create_dir_ns+0x26e/0x2a0
[  216.575111][ T6303]  ? __lock_acquire+0x7d80/0x7d80
[  216.580173][ T6303]  ? sysfs_warn_dup+0xa0/0xa0
[  216.584850][ T6303]  ? do_raw_spin_unlock+0x121/0x230
[  216.590088][ T6303]  kobject_add_internal+0x617/0xc90
[  216.595305][ T6303]  kobject_init_and_add+0x12c/0x1a0
[  216.600505][ T6303]  ? lockdep_softirqs_off+0x440/0x440
[  216.605877][ T6303]  ? kobject_add+0x240/0x240
[  216.610477][ T6303]  ? __init_swait_queue_head+0xa8/0x140
[  216.616024][ T6303]  gfs2_sys_fs_add+0x253/0x4b0
[  216.620811][ T6303]  ? gfs2_recover_set+0x250/0x250
[  216.625840][ T6303]  ? apply_workqueue_attrs+0x180/0x180
[  216.631304][ T6303]  gfs2_fill_super+0x1344/0x1f90
[  216.636251][ T6303]  ? gfs2_reconfigure+0xb20/0xb20
[  216.641279][ T6303]  ? setup_bdev_super+0x56b/0x660
[  216.646297][ T6303]  get_tree_bdev+0x3e5/0x520
[  216.650885][ T6303]  ? kfree+0x31/0x1a0
[  216.654864][ T6303]  ? gfs2_reconfigure+0xb20/0xb20
[  216.659884][ T6303]  ? setup_bdev_super+0x660/0x660
[  216.664904][ T6303]  gfs2_get_tree+0x51/0x1e0
[  216.669406][ T6303]  vfs_get_tree+0x8c/0x280
[  216.673813][ T6303]  do_new_mount+0x24a/0xa40
[  216.678314][ T6303]  __se_sys_mount+0x2e7/0x3d0
[  216.682988][ T6303]  ? __x64_sys_mount+0xc0/0xc0
[  216.687745][ T6303]  ? lockdep_hardirqs_on+0x98/0x150
[  216.692940][ T6303]  ? __x64_sys_mount+0x20/0xc0
[  216.697696][ T6303]  do_syscall_64+0x55/0xb0
[  216.702103][ T6303]  ? clear_bhb_loop+0x40/0x90
[  216.706772][ T6303]  ? clear_bhb_loop+0x40/0x90
[  216.711442][ T6303]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  216.717351][ T6303] RIP: 0033:0x7fa06ef9f34a
[  216.721787][ T6303] 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
[  216.741482][ T6303] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.749895][ T6303] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  216.757863][ T6303] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  216.765831][ T6303] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  216.773797][ T6303] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  216.781762][ T6303] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  216.789757][ T6303]  </TASK>
[  216.796217][ T6303] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.810916][ T6303] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.141757][ T6305] loop1: detected capacity change from 0 to 32768
[  217.155693][ T6305] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.163292][ T6305] CPU: 1 PID: 6305 Comm: syz.1.188 Not tainted syzkaller #0
[  217.170584][ T6305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  217.180654][ T6305] Call Trace:
[  217.183950][ T6305]  <TASK>
[  217.186897][ T6305]  dump_stack_lvl+0x18c/0x250
[  217.191601][ T6305]  ? show_regs_print_info+0x20/0x20
[  217.196821][ T6305]  ? load_image+0x420/0x420
[  217.201362][ T6305]  sysfs_create_dir_ns+0x26e/0x2a0
[  217.206499][ T6305]  ? __lock_acquire+0x7d80/0x7d80
[  217.211547][ T6305]  ? sysfs_warn_dup+0xa0/0xa0
[  217.216245][ T6305]  ? do_raw_spin_unlock+0x121/0x230
[  217.221467][ T6305]  kobject_add_internal+0x617/0xc90
[  217.226704][ T6305]  kobject_init_and_add+0x12c/0x1a0
[  217.231920][ T6305]  ? lockdep_softirqs_off+0x440/0x440
[  217.237321][ T6305]  ? kobject_add+0x240/0x240
[  217.241940][ T6305]  ? __init_swait_queue_head+0xa8/0x140
[  217.247597][ T6305]  gfs2_sys_fs_add+0x253/0x4b0
[  217.252399][ T6305]  ? gfs2_recover_set+0x250/0x250
[  217.257453][ T6305]  ? apply_workqueue_attrs+0x180/0x180
[  217.262952][ T6305]  gfs2_fill_super+0x1344/0x1f90
[  217.267919][ T6305]  ? gfs2_reconfigure+0xb20/0xb20
[  217.272976][ T6305]  ? setup_bdev_super+0x56b/0x660
[  217.278058][ T6305]  get_tree_bdev+0x3e5/0x520
[  217.282660][ T6305]  ? kfree+0x31/0x1a0
[  217.286642][ T6305]  ? gfs2_reconfigure+0xb20/0xb20
[  217.291662][ T6305]  ? setup_bdev_super+0x660/0x660
[  217.296687][ T6305]  gfs2_get_tree+0x51/0x1e0
[  217.301190][ T6305]  vfs_get_tree+0x8c/0x280
[  217.305601][ T6305]  do_new_mount+0x24a/0xa40
[  217.310104][ T6305]  __se_sys_mount+0x2e7/0x3d0
[  217.314776][ T6305]  ? __x64_sys_mount+0xc0/0xc0
[  217.319534][ T6305]  ? lockdep_hardirqs_on+0x98/0x150
[  217.324727][ T6305]  ? __x64_sys_mount+0x20/0xc0
[  217.329489][ T6305]  do_syscall_64+0x55/0xb0
[  217.333898][ T6305]  ? clear_bhb_loop+0x40/0x90
[  217.338566][ T6305]  ? clear_bhb_loop+0x40/0x90
[  217.343245][ T6305]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  217.349134][ T6305] RIP: 0033:0x7fa06ef9f34a
[  217.353544][ T6305] 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
[  217.373158][ T6305] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.381584][ T6305] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  217.389547][ T6305] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  217.397509][ T6305] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  217.405477][ T6305] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  217.413443][ T6305] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  217.421421][ T6305]  </TASK>
[  217.428688][ T6305] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.443402][ T6305] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.805368][ T6307] loop1: detected capacity change from 0 to 32768
[  217.816973][ T6307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.824547][ T6307] CPU: 1 PID: 6307 Comm: syz.1.189 Not tainted syzkaller #0
[  217.831844][ T6307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  217.841885][ T6307] Call Trace:
[  217.845148][ T6307]  <TASK>
[  217.848077][ T6307]  dump_stack_lvl+0x18c/0x250
[  217.852783][ T6307]  ? show_regs_print_info+0x20/0x20
[  217.858003][ T6307]  ? load_image+0x420/0x420
[  217.862544][ T6307]  sysfs_create_dir_ns+0x26e/0x2a0
[  217.867681][ T6307]  ? __lock_acquire+0x7d80/0x7d80
[  217.872725][ T6307]  ? sysfs_warn_dup+0xa0/0xa0
[  217.877423][ T6307]  ? do_raw_spin_unlock+0x121/0x230
[  217.882647][ T6307]  kobject_add_internal+0x617/0xc90
[  217.887867][ T6307]  kobject_init_and_add+0x12c/0x1a0
[  217.893084][ T6307]  ? lockdep_softirqs_off+0x440/0x440
[  217.898480][ T6307]  ? kobject_add+0x240/0x240
[  217.903090][ T6307]  ? __init_swait_queue_head+0xa8/0x140
[  217.908637][ T6307]  gfs2_sys_fs_add+0x253/0x4b0
[  217.913400][ T6307]  ? gfs2_recover_set+0x250/0x250
[  217.918439][ T6307]  ? apply_workqueue_attrs+0x180/0x180
[  217.923913][ T6307]  gfs2_fill_super+0x1344/0x1f90
[  217.928861][ T6307]  ? gfs2_reconfigure+0xb20/0xb20
[  217.933896][ T6307]  ? setup_bdev_super+0x56b/0x660
[  217.938922][ T6307]  get_tree_bdev+0x3e5/0x520
[  217.943508][ T6307]  ? kfree+0x31/0x1a0
[  217.947487][ T6307]  ? gfs2_reconfigure+0xb20/0xb20
[  217.952510][ T6307]  ? setup_bdev_super+0x660/0x660
[  217.957538][ T6307]  gfs2_get_tree+0x51/0x1e0
[  217.962039][ T6307]  vfs_get_tree+0x8c/0x280
[  217.966449][ T6307]  do_new_mount+0x24a/0xa40
[  217.970949][ T6307]  __se_sys_mount+0x2e7/0x3d0
[  217.975624][ T6307]  ? __x64_sys_mount+0xc0/0xc0
[  217.980383][ T6307]  ? lockdep_hardirqs_on+0x98/0x150
[  217.985583][ T6307]  ? __x64_sys_mount+0x20/0xc0
[  217.990348][ T6307]  do_syscall_64+0x55/0xb0
[  217.994756][ T6307]  ? clear_bhb_loop+0x40/0x90
[  217.999425][ T6307]  ? clear_bhb_loop+0x40/0x90
[  218.004097][ T6307]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  218.010003][ T6307] RIP: 0033:0x7fa06ef9f34a
[  218.014424][ T6307] 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
[  218.034032][ T6307] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.042444][ T6307] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  218.050412][ T6307] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  218.058379][ T6307] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  218.066343][ T6307] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  218.074312][ T6307] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  218.082302][ T6307]  </TASK>
[  218.092010][ T6307] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.106040][ T6307] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.478762][ T6309] loop1: detected capacity change from 0 to 32768
[  218.496240][ T6309] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.503753][ T6309] CPU: 1 PID: 6309 Comm: syz.1.190 Not tainted syzkaller #0
[  218.511054][ T6309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  218.521125][ T6309] Call Trace:
[  218.524420][ T6309]  <TASK>
[  218.527369][ T6309]  dump_stack_lvl+0x18c/0x250
[  218.532077][ T6309]  ? show_regs_print_info+0x20/0x20
[  218.537298][ T6309]  ? load_image+0x420/0x420
[  218.541843][ T6309]  sysfs_create_dir_ns+0x26e/0x2a0
[  218.546973][ T6309]  ? __lock_acquire+0x7d80/0x7d80
[  218.552020][ T6309]  ? sysfs_warn_dup+0xa0/0xa0
[  218.556718][ T6309]  ? do_raw_spin_unlock+0x121/0x230
[  218.561934][ T6309]  kobject_add_internal+0x617/0xc90
[  218.567143][ T6309]  kobject_init_and_add+0x12c/0x1a0
[  218.572339][ T6309]  ? lockdep_softirqs_off+0x440/0x440
[  218.577709][ T6309]  ? kobject_add+0x240/0x240
[  218.582304][ T6309]  ? __init_swait_queue_head+0xa8/0x140
[  218.587847][ T6309]  gfs2_sys_fs_add+0x253/0x4b0
[  218.592609][ T6309]  ? gfs2_recover_set+0x250/0x250
[  218.597633][ T6309]  ? apply_workqueue_attrs+0x180/0x180
[  218.603106][ T6309]  gfs2_fill_super+0x1344/0x1f90
[  218.608051][ T6309]  ? gfs2_reconfigure+0xb20/0xb20
[  218.613078][ T6309]  ? setup_bdev_super+0x56b/0x660
[  218.618098][ T6309]  get_tree_bdev+0x3e5/0x520
[  218.622681][ T6309]  ? kfree+0x31/0x1a0
[  218.626662][ T6309]  ? gfs2_reconfigure+0xb20/0xb20
[  218.631680][ T6309]  ? setup_bdev_super+0x660/0x660
[  218.636701][ T6309]  gfs2_get_tree+0x51/0x1e0
[  218.641201][ T6309]  vfs_get_tree+0x8c/0x280
[  218.645611][ T6309]  do_new_mount+0x24a/0xa40
[  218.650114][ T6309]  __se_sys_mount+0x2e7/0x3d0
[  218.655660][ T6309]  ? __x64_sys_mount+0xc0/0xc0
[  218.660419][ T6309]  ? lockdep_hardirqs_on+0x98/0x150
[  218.665613][ T6309]  ? __x64_sys_mount+0x20/0xc0
[  218.670372][ T6309]  do_syscall_64+0x55/0xb0
[  218.674783][ T6309]  ? clear_bhb_loop+0x40/0x90
[  218.679451][ T6309]  ? clear_bhb_loop+0x40/0x90
[  218.684118][ T6309]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  218.690001][ T6309] RIP: 0033:0x7fa06ef9f34a
[  218.694410][ T6309] 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
[  218.714005][ T6309] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.722413][ T6309] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  218.730374][ T6309] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  218.738336][ T6309] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  218.746299][ T6309] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  218.754261][ T6309] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  218.762273][ T6309]  </TASK>
[  218.770243][ T6309] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.785743][ T6309] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.118654][ T6311] loop1: detected capacity change from 0 to 32768
[  219.130555][ T6311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.137963][ T6311] CPU: 0 PID: 6311 Comm: syz.1.191 Not tainted syzkaller #0
[  219.145268][ T6311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  219.155344][ T6311] Call Trace:
[  219.158640][ T6311]  <TASK>
[  219.161589][ T6311]  dump_stack_lvl+0x18c/0x250
[  219.166295][ T6311]  ? show_regs_print_info+0x20/0x20
[  219.171520][ T6311]  ? load_image+0x420/0x420
[  219.176065][ T6311]  sysfs_create_dir_ns+0x26e/0x2a0
[  219.181197][ T6311]  ? __lock_acquire+0x7d80/0x7d80
[  219.186256][ T6311]  ? sysfs_warn_dup+0xa0/0xa0
[  219.190952][ T6311]  ? do_raw_spin_unlock+0x121/0x230
[  219.196180][ T6311]  kobject_add_internal+0x617/0xc90
[  219.201414][ T6311]  kobject_init_and_add+0x12c/0x1a0
[  219.206641][ T6311]  ? lockdep_softirqs_off+0x440/0x440
[  219.212041][ T6311]  ? kobject_add+0x240/0x240
[  219.216658][ T6311]  ? __init_swait_queue_head+0xa8/0x140
[  219.222218][ T6311]  gfs2_sys_fs_add+0x253/0x4b0
[  219.227008][ T6311]  ? gfs2_recover_set+0x250/0x250
[  219.232032][ T6311]  ? apply_workqueue_attrs+0x180/0x180
[  219.237492][ T6311]  gfs2_fill_super+0x1344/0x1f90
[  219.242435][ T6311]  ? gfs2_reconfigure+0xb20/0xb20
[  219.247544][ T6311]  ? setup_bdev_super+0x56b/0x660
[  219.252566][ T6311]  get_tree_bdev+0x3e5/0x520
[  219.257146][ T6311]  ? kfree+0x31/0x1a0
[  219.261123][ T6311]  ? gfs2_reconfigure+0xb20/0xb20
[  219.266139][ T6311]  ? setup_bdev_super+0x660/0x660
[  219.271158][ T6311]  gfs2_get_tree+0x51/0x1e0
[  219.275658][ T6311]  vfs_get_tree+0x8c/0x280
[  219.280070][ T6311]  do_new_mount+0x24a/0xa40
[  219.284575][ T6311]  __se_sys_mount+0x2e7/0x3d0
[  219.289266][ T6311]  ? __x64_sys_mount+0xc0/0xc0
[  219.294037][ T6311]  ? lockdep_hardirqs_on+0x98/0x150
[  219.299232][ T6311]  ? __x64_sys_mount+0x20/0xc0
[  219.303993][ T6311]  do_syscall_64+0x55/0xb0
[  219.308399][ T6311]  ? clear_bhb_loop+0x40/0x90
[  219.313071][ T6311]  ? clear_bhb_loop+0x40/0x90
[  219.317744][ T6311]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  219.323627][ T6311] RIP: 0033:0x7fa06ef9f34a
[  219.328035][ T6311] 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
[  219.347631][ T6311] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.356034][ T6311] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  219.364021][ T6311] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  219.371982][ T6311] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  219.379946][ T6311] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  219.387913][ T6311] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  219.395889][ T6311]  </TASK>
[  219.423455][ T6311] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.440426][ T6311] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.800542][ T6313] loop1: detected capacity change from 0 to 32768
[  219.817150][ T6313] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.824690][ T6313] CPU: 1 PID: 6313 Comm: syz.1.192 Not tainted syzkaller #0
[  219.831993][ T6313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  219.842067][ T6313] Call Trace:
[  219.845363][ T6313]  <TASK>
[  219.848305][ T6313]  dump_stack_lvl+0x18c/0x250
[  219.853007][ T6313]  ? show_regs_print_info+0x20/0x20
[  219.858230][ T6313]  ? load_image+0x420/0x420
[  219.862774][ T6313]  sysfs_create_dir_ns+0x26e/0x2a0
[  219.867908][ T6313]  ? __lock_acquire+0x7d80/0x7d80
[  219.872951][ T6313]  ? sysfs_warn_dup+0xa0/0xa0
[  219.877644][ T6313]  ? do_raw_spin_unlock+0x121/0x230
[  219.882866][ T6313]  kobject_add_internal+0x617/0xc90
[  219.888098][ T6313]  kobject_init_and_add+0x12c/0x1a0
[  219.893403][ T6313]  ? lockdep_softirqs_off+0x440/0x440
[  219.898798][ T6313]  ? kobject_add+0x240/0x240
[  219.903405][ T6313]  ? __init_swait_queue_head+0xa8/0x140
[  219.908954][ T6313]  gfs2_sys_fs_add+0x253/0x4b0
[  219.913725][ T6313]  ? gfs2_recover_set+0x250/0x250
[  219.918752][ T6313]  ? apply_workqueue_attrs+0x180/0x180
[  219.924219][ T6313]  gfs2_fill_super+0x1344/0x1f90
[  219.929189][ T6313]  ? gfs2_reconfigure+0xb20/0xb20
[  219.934240][ T6313]  ? setup_bdev_super+0x56b/0x660
[  219.939276][ T6313]  get_tree_bdev+0x3e5/0x520
[  219.943873][ T6313]  ? kfree+0x31/0x1a0
[  219.947856][ T6313]  ? gfs2_reconfigure+0xb20/0xb20
[  219.952879][ T6313]  ? setup_bdev_super+0x660/0x660
[  219.957904][ T6313]  gfs2_get_tree+0x51/0x1e0
[  219.962406][ T6313]  vfs_get_tree+0x8c/0x280
[  219.966817][ T6313]  do_new_mount+0x24a/0xa40
[  219.971318][ T6313]  __se_sys_mount+0x2e7/0x3d0
[  219.976028][ T6313]  ? __x64_sys_mount+0xc0/0xc0
[  219.980790][ T6313]  ? lockdep_hardirqs_on+0x98/0x150
[  219.985986][ T6313]  ? __x64_sys_mount+0x20/0xc0
[  219.990745][ T6313]  do_syscall_64+0x55/0xb0
[  219.995152][ T6313]  ? clear_bhb_loop+0x40/0x90
[  219.999833][ T6313]  ? clear_bhb_loop+0x40/0x90
[  220.004515][ T6313]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  220.010402][ T6313] RIP: 0033:0x7fa06ef9f34a
[  220.014813][ T6313] 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
[  220.034412][ T6313] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.042821][ T6313] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  220.050814][ T6313] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  220.058777][ T6313] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  220.066737][ T6313] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  220.074698][ T6313] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  220.082674][ T6313]  </TASK>
[  220.101007][ T6313] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.116942][ T6313] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.429350][ T6315] loop1: detected capacity change from 0 to 32768
[  220.441824][ T6315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.449660][ T6315] CPU: 0 PID: 6315 Comm: syz.1.193 Not tainted syzkaller #0
[  220.456962][ T6315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  220.467026][ T6315] Call Trace:
[  220.470300][ T6315]  <TASK>
[  220.473222][ T6315]  dump_stack_lvl+0x18c/0x250
[  220.477901][ T6315]  ? show_regs_print_info+0x20/0x20
[  220.483117][ T6315]  ? load_image+0x420/0x420
[  220.487632][ T6315]  sysfs_create_dir_ns+0x26e/0x2a0
[  220.492737][ T6315]  ? __lock_acquire+0x7d80/0x7d80
[  220.497753][ T6315]  ? sysfs_warn_dup+0xa0/0xa0
[  220.502422][ T6315]  ? do_raw_spin_unlock+0x121/0x230
[  220.507616][ T6315]  kobject_add_internal+0x617/0xc90
[  220.512817][ T6315]  kobject_init_and_add+0x12c/0x1a0
[  220.518011][ T6315]  ? lockdep_softirqs_off+0x440/0x440
[  220.523381][ T6315]  ? kobject_add+0x240/0x240
[  220.527969][ T6315]  ? __init_swait_queue_head+0xa8/0x140
[  220.533528][ T6315]  gfs2_sys_fs_add+0x253/0x4b0
[  220.538484][ T6315]  ? gfs2_recover_set+0x250/0x250
[  220.543516][ T6315]  ? apply_workqueue_attrs+0x180/0x180
[  220.548977][ T6315]  gfs2_fill_super+0x1344/0x1f90
[  220.553923][ T6315]  ? gfs2_reconfigure+0xb20/0xb20
[  220.559039][ T6315]  ? setup_bdev_super+0x56b/0x660
[  220.564060][ T6315]  get_tree_bdev+0x3e5/0x520
[  220.568647][ T6315]  ? kfree+0x31/0x1a0
[  220.572629][ T6315]  ? gfs2_reconfigure+0xb20/0xb20
[  220.577652][ T6315]  ? setup_bdev_super+0x660/0x660
[  220.582680][ T6315]  gfs2_get_tree+0x51/0x1e0
[  220.587190][ T6315]  vfs_get_tree+0x8c/0x280
[  220.591602][ T6315]  do_new_mount+0x24a/0xa40
[  220.596103][ T6315]  __se_sys_mount+0x2e7/0x3d0
[  220.600778][ T6315]  ? __x64_sys_mount+0xc0/0xc0
[  220.605542][ T6315]  ? lockdep_hardirqs_on+0x98/0x150
[  220.610739][ T6315]  ? __x64_sys_mount+0x20/0xc0
[  220.615499][ T6315]  do_syscall_64+0x55/0xb0
[  220.619913][ T6315]  ? clear_bhb_loop+0x40/0x90
[  220.624587][ T6315]  ? clear_bhb_loop+0x40/0x90
[  220.629259][ T6315]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  220.635143][ T6315] RIP: 0033:0x7fa06ef9f34a
[  220.639558][ T6315] 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
[  220.659181][ T6315] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.667674][ T6315] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  220.675633][ T6315] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  220.683599][ T6315] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  220.691563][ T6315] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  220.699524][ T6315] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  220.707494][ T6315]  </TASK>
[  220.718564][ T6315] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.732675][ T6315] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/16 15:55:47 executed programs: 179
[  221.052932][ T6317] loop1: detected capacity change from 0 to 32768
[  221.068298][ T6317] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.075986][ T6317] CPU: 1 PID: 6317 Comm: syz.1.194 Not tainted syzkaller #0
[  221.083299][ T6317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  221.093370][ T6317] Call Trace:
[  221.096662][ T6317]  <TASK>
[  221.099608][ T6317]  dump_stack_lvl+0x18c/0x250
[  221.104309][ T6317]  ? show_regs_print_info+0x20/0x20
[  221.109529][ T6317]  ? load_image+0x420/0x420
[  221.114090][ T6317]  sysfs_create_dir_ns+0x26e/0x2a0
[  221.119227][ T6317]  ? __lock_acquire+0x7d80/0x7d80
[  221.124278][ T6317]  ? sysfs_warn_dup+0xa0/0xa0
[  221.128977][ T6317]  ? do_raw_spin_unlock+0x121/0x230
[  221.134200][ T6317]  kobject_add_internal+0x617/0xc90
[  221.139404][ T6317]  kobject_init_and_add+0x12c/0x1a0
[  221.144600][ T6317]  ? lockdep_softirqs_off+0x440/0x440
[  221.149967][ T6317]  ? kobject_add+0x240/0x240
[  221.154557][ T6317]  ? __init_swait_queue_head+0xa8/0x140
[  221.160107][ T6317]  gfs2_sys_fs_add+0x253/0x4b0
[  221.164870][ T6317]  ? gfs2_recover_set+0x250/0x250
[  221.169892][ T6317]  ? apply_workqueue_attrs+0x180/0x180
[  221.175355][ T6317]  gfs2_fill_super+0x1344/0x1f90
[  221.180301][ T6317]  ? gfs2_reconfigure+0xb20/0xb20
[  221.185331][ T6317]  ? setup_bdev_super+0x56b/0x660
[  221.190348][ T6317]  get_tree_bdev+0x3e5/0x520
[  221.194927][ T6317]  ? kfree+0x31/0x1a0
[  221.198905][ T6317]  ? gfs2_reconfigure+0xb20/0xb20
[  221.203922][ T6317]  ? setup_bdev_super+0x660/0x660
[  221.208944][ T6317]  gfs2_get_tree+0x51/0x1e0
[  221.213441][ T6317]  vfs_get_tree+0x8c/0x280
[  221.217851][ T6317]  do_new_mount+0x24a/0xa40
[  221.222351][ T6317]  __se_sys_mount+0x2e7/0x3d0
[  221.227023][ T6317]  ? __x64_sys_mount+0xc0/0xc0
[  221.231782][ T6317]  ? lockdep_hardirqs_on+0x98/0x150
[  221.236975][ T6317]  ? __x64_sys_mount+0x20/0xc0
[  221.241733][ T6317]  do_syscall_64+0x55/0xb0
[  221.246147][ T6317]  ? clear_bhb_loop+0x40/0x90
[  221.250813][ T6317]  ? clear_bhb_loop+0x40/0x90
[  221.255482][ T6317]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  221.261366][ T6317] RIP: 0033:0x7fa06ef9f34a
[  221.265778][ T6317] 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
[  221.285557][ T6317] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.293962][ T6317] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  221.301922][ T6317] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  221.309882][ T6317] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  221.317844][ T6317] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  221.325803][ T6317] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  221.333776][ T6317]  </TASK>
[  221.369705][ T6317] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.385830][ T6317] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.747015][ T6319] loop1: detected capacity change from 0 to 32768
[  221.759435][ T6319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.769201][ T6319] CPU: 1 PID: 6319 Comm: syz.1.195 Not tainted syzkaller #0
[  221.776516][ T6319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  221.786587][ T6319] Call Trace:
[  221.789882][ T6319]  <TASK>
[  221.792830][ T6319]  dump_stack_lvl+0x18c/0x250
[  221.797533][ T6319]  ? show_regs_print_info+0x20/0x20
[  221.802753][ T6319]  ? load_image+0x420/0x420
[  221.807294][ T6319]  sysfs_create_dir_ns+0x26e/0x2a0
[  221.812425][ T6319]  ? __lock_acquire+0x7d80/0x7d80
[  221.817469][ T6319]  ? sysfs_warn_dup+0xa0/0xa0
[  221.822170][ T6319]  ? do_raw_spin_unlock+0x121/0x230
[  221.827398][ T6319]  kobject_add_internal+0x617/0xc90
[  221.832611][ T6319]  kobject_init_and_add+0x12c/0x1a0
[  221.837798][ T6319]  ? lockdep_softirqs_off+0x440/0x440
[  221.843170][ T6319]  ? kobject_add+0x240/0x240
[  221.847768][ T6319]  ? __init_swait_queue_head+0xa8/0x140
[  221.853302][ T6319]  gfs2_sys_fs_add+0x253/0x4b0
[  221.858053][ T6319]  ? gfs2_recover_set+0x250/0x250
[  221.863068][ T6319]  ? apply_workqueue_attrs+0x180/0x180
[  221.868537][ T6319]  gfs2_fill_super+0x1344/0x1f90
[  221.873479][ T6319]  ? gfs2_reconfigure+0xb20/0xb20
[  221.878507][ T6319]  ? setup_bdev_super+0x56b/0x660
[  221.883542][ T6319]  get_tree_bdev+0x3e5/0x520
[  221.888138][ T6319]  ? kfree+0x31/0x1a0
[  221.892128][ T6319]  ? gfs2_reconfigure+0xb20/0xb20
[  221.897171][ T6319]  ? setup_bdev_super+0x660/0x660
[  221.902201][ T6319]  gfs2_get_tree+0x51/0x1e0
[  221.906704][ T6319]  vfs_get_tree+0x8c/0x280
[  221.911118][ T6319]  do_new_mount+0x24a/0xa40
[  221.915619][ T6319]  __se_sys_mount+0x2e7/0x3d0
[  221.920295][ T6319]  ? __x64_sys_mount+0xc0/0xc0
[  221.925053][ T6319]  ? lockdep_hardirqs_on+0x98/0x150
[  221.930247][ T6319]  ? __x64_sys_mount+0x20/0xc0
[  221.935179][ T6319]  do_syscall_64+0x55/0xb0
[  221.939586][ T6319]  ? clear_bhb_loop+0x40/0x90
[  221.944253][ T6319]  ? clear_bhb_loop+0x40/0x90
[  221.948923][ T6319]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  221.954809][ T6319] RIP: 0033:0x7fa06ef9f34a
[  221.959216][ T6319] 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
[  221.978815][ T6319] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.987221][ T6319] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  221.995185][ T6319] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  222.003162][ T6319] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  222.011144][ T6319] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  222.019121][ T6319] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  222.027112][ T6319]  </TASK>
[  222.032956][ T6319] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.047239][ T6319] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.393937][ T6321] loop1: detected capacity change from 0 to 32768
[  222.417372][ T6321] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.429320][ T6321] CPU: 1 PID: 6321 Comm: syz.1.196 Not tainted syzkaller #0
[  222.436640][ T6321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  222.446718][ T6321] Call Trace:
[  222.450029][ T6321]  <TASK>
[  222.452972][ T6321]  dump_stack_lvl+0x18c/0x250
[  222.457671][ T6321]  ? show_regs_print_info+0x20/0x20
[  222.462893][ T6321]  ? load_image+0x420/0x420
[  222.467429][ T6321]  sysfs_create_dir_ns+0x26e/0x2a0
[  222.472559][ T6321]  ? __lock_acquire+0x7d80/0x7d80
[  222.477605][ T6321]  ? sysfs_warn_dup+0xa0/0xa0
[  222.482307][ T6321]  ? do_raw_spin_unlock+0x121/0x230
[  222.487534][ T6321]  kobject_add_internal+0x617/0xc90
[  222.492759][ T6321]  kobject_init_and_add+0x12c/0x1a0
[  222.497979][ T6321]  ? lockdep_softirqs_off+0x440/0x440
[  222.503371][ T6321]  ? kobject_add+0x240/0x240
[  222.507987][ T6321]  ? __init_swait_queue_head+0xa8/0x140
[  222.513555][ T6321]  gfs2_sys_fs_add+0x253/0x4b0
[  222.518339][ T6321]  ? gfs2_recover_set+0x250/0x250
[  222.523392][ T6321]  ? apply_workqueue_attrs+0x180/0x180
[  222.528892][ T6321]  gfs2_fill_super+0x1344/0x1f90
[  222.533833][ T6321]  ? gfs2_reconfigure+0xb20/0xb20
[  222.538862][ T6321]  ? setup_bdev_super+0x56b/0x660
[  222.543880][ T6321]  get_tree_bdev+0x3e5/0x520
[  222.548461][ T6321]  ? kfree+0x31/0x1a0
[  222.552436][ T6321]  ? gfs2_reconfigure+0xb20/0xb20
[  222.557452][ T6321]  ? setup_bdev_super+0x660/0x660
[  222.562476][ T6321]  gfs2_get_tree+0x51/0x1e0
[  222.566983][ T6321]  vfs_get_tree+0x8c/0x280
[  222.571414][ T6321]  do_new_mount+0x24a/0xa40
[  222.575916][ T6321]  __se_sys_mount+0x2e7/0x3d0
[  222.580592][ T6321]  ? __x64_sys_mount+0xc0/0xc0
[  222.585354][ T6321]  ? lockdep_hardirqs_on+0x98/0x150
[  222.590546][ T6321]  ? __x64_sys_mount+0x20/0xc0
[  222.595303][ T6321]  do_syscall_64+0x55/0xb0
[  222.599709][ T6321]  ? clear_bhb_loop+0x40/0x90
[  222.604375][ T6321]  ? clear_bhb_loop+0x40/0x90
[  222.609047][ T6321]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  222.614935][ T6321] RIP: 0033:0x7fa06ef9f34a
[  222.619343][ T6321] 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
[  222.638940][ T6321] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.647348][ T6321] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  222.655309][ T6321] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  222.663273][ T6321] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  222.671234][ T6321] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  222.679196][ T6321] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  222.687171][ T6321]  </TASK>
[  222.694589][ T6321] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.708795][ T6321] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.066246][ T6323] loop1: detected capacity change from 0 to 32768
[  223.083464][ T6323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.094072][ T6323] CPU: 0 PID: 6323 Comm: syz.1.197 Not tainted syzkaller #0
[  223.101437][ T6323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  223.111969][ T6323] Call Trace:
[  223.115265][ T6323]  <TASK>
[  223.118211][ T6323]  dump_stack_lvl+0x18c/0x250
[  223.122938][ T6323]  ? show_regs_print_info+0x20/0x20
[  223.128158][ T6323]  ? load_image+0x420/0x420
[  223.132699][ T6323]  sysfs_create_dir_ns+0x26e/0x2a0
[  223.137829][ T6323]  ? __lock_acquire+0x7d80/0x7d80
[  223.142875][ T6323]  ? sysfs_warn_dup+0xa0/0xa0
[  223.147569][ T6323]  ? do_raw_spin_unlock+0x121/0x230
[  223.152771][ T6323]  kobject_add_internal+0x617/0xc90
[  223.157971][ T6323]  kobject_init_and_add+0x12c/0x1a0
[  223.163168][ T6323]  ? lockdep_softirqs_off+0x440/0x440
[  223.168537][ T6323]  ? kobject_add+0x240/0x240
[  223.173147][ T6323]  ? __init_swait_queue_head+0xa8/0x140
[  223.178690][ T6323]  gfs2_sys_fs_add+0x253/0x4b0
[  223.183451][ T6323]  ? gfs2_recover_set+0x250/0x250
[  223.188474][ T6323]  ? apply_workqueue_attrs+0x180/0x180
[  223.193935][ T6323]  gfs2_fill_super+0x1344/0x1f90
[  223.198878][ T6323]  ? gfs2_reconfigure+0xb20/0xb20
[  223.203909][ T6323]  ? setup_bdev_super+0x56b/0x660
[  223.208941][ T6323]  get_tree_bdev+0x3e5/0x520
[  223.213520][ T6323]  ? kfree+0x31/0x1a0
[  223.217495][ T6323]  ? gfs2_reconfigure+0xb20/0xb20
[  223.222512][ T6323]  ? setup_bdev_super+0x660/0x660
[  223.227537][ T6323]  gfs2_get_tree+0x51/0x1e0
[  223.232039][ T6323]  vfs_get_tree+0x8c/0x280
[  223.236450][ T6323]  do_new_mount+0x24a/0xa40
[  223.240951][ T6323]  __se_sys_mount+0x2e7/0x3d0
[  223.245625][ T6323]  ? __x64_sys_mount+0xc0/0xc0
[  223.250383][ T6323]  ? lockdep_hardirqs_on+0x98/0x150
[  223.255575][ T6323]  ? __x64_sys_mount+0x20/0xc0
[  223.260347][ T6323]  do_syscall_64+0x55/0xb0
[  223.264759][ T6323]  ? clear_bhb_loop+0x40/0x90
[  223.269428][ T6323]  ? clear_bhb_loop+0x40/0x90
[  223.274097][ T6323]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  223.279983][ T6323] RIP: 0033:0x7fa06ef9f34a
[  223.284394][ T6323] 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
[  223.303993][ T6323] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.312399][ T6323] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  223.320361][ T6323] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  223.328397][ T6323] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  223.336370][ T6323] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  223.344336][ T6323] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  223.352316][ T6323]  </TASK>
[  223.360803][ T6323] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.383467][ T6323] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.712508][ T6325] loop1: detected capacity change from 0 to 32768
[  223.725503][ T6325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.733514][ T6325] CPU: 0 PID: 6325 Comm: syz.1.198 Not tainted syzkaller #0
[  223.740826][ T6325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  223.750877][ T6325] Call Trace:
[  223.754148][ T6325]  <TASK>
[  223.757072][ T6325]  dump_stack_lvl+0x18c/0x250
[  223.761749][ T6325]  ? show_regs_print_info+0x20/0x20
[  223.766937][ T6325]  ? load_image+0x420/0x420
[  223.771447][ T6325]  sysfs_create_dir_ns+0x26e/0x2a0
[  223.776554][ T6325]  ? __lock_acquire+0x7d80/0x7d80
[  223.781572][ T6325]  ? sysfs_warn_dup+0xa0/0xa0
[  223.786239][ T6325]  ? do_raw_spin_unlock+0x121/0x230
[  223.791436][ T6325]  kobject_add_internal+0x617/0xc90
[  223.796639][ T6325]  kobject_init_and_add+0x12c/0x1a0
[  223.801852][ T6325]  ? lockdep_softirqs_off+0x440/0x440
[  223.807234][ T6325]  ? kobject_add+0x240/0x240
[  223.811851][ T6325]  ? __init_swait_queue_head+0xa8/0x140
[  223.817400][ T6325]  gfs2_sys_fs_add+0x253/0x4b0
[  223.822166][ T6325]  ? gfs2_recover_set+0x250/0x250
[  223.827197][ T6325]  ? apply_workqueue_attrs+0x180/0x180
[  223.832751][ T6325]  gfs2_fill_super+0x1344/0x1f90
[  223.837696][ T6325]  ? gfs2_reconfigure+0xb20/0xb20
[  223.842723][ T6325]  ? setup_bdev_super+0x56b/0x660
[  223.847740][ T6325]  get_tree_bdev+0x3e5/0x520
[  223.852329][ T6325]  ? kfree+0x31/0x1a0
[  223.856308][ T6325]  ? gfs2_reconfigure+0xb20/0xb20
[  223.861334][ T6325]  ? setup_bdev_super+0x660/0x660
[  223.866378][ T6325]  gfs2_get_tree+0x51/0x1e0
[  223.870895][ T6325]  vfs_get_tree+0x8c/0x280
[  223.875311][ T6325]  do_new_mount+0x24a/0xa40
[  223.879826][ T6325]  __se_sys_mount+0x2e7/0x3d0
[  223.884517][ T6325]  ? __x64_sys_mount+0xc0/0xc0
[  223.889286][ T6325]  ? lockdep_hardirqs_on+0x98/0x150
[  223.894492][ T6325]  ? __x64_sys_mount+0x20/0xc0
[  223.899253][ T6325]  do_syscall_64+0x55/0xb0
[  223.903666][ T6325]  ? clear_bhb_loop+0x40/0x90
[  223.908334][ T6325]  ? clear_bhb_loop+0x40/0x90
[  223.913011][ T6325]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  223.918894][ T6325] RIP: 0033:0x7fa06ef9f34a
[  223.923304][ T6325] 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
[  223.942916][ T6325] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.951329][ T6325] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  223.959294][ T6325] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  223.967264][ T6325] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  223.975228][ T6325] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  223.983191][ T6325] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  223.991167][ T6325]  </TASK>
[  224.002448][ T6325] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.016548][ T6325] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.347273][ T6327] loop1: detected capacity change from 0 to 32768
[  224.371179][ T6327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.378627][ T6327] CPU: 1 PID: 6327 Comm: syz.1.199 Not tainted syzkaller #0
[  224.385928][ T6327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  224.395998][ T6327] Call Trace:
[  224.399290][ T6327]  <TASK>
[  224.402244][ T6327]  dump_stack_lvl+0x18c/0x250
[  224.406962][ T6327]  ? show_regs_print_info+0x20/0x20
[  224.412183][ T6327]  ? load_image+0x420/0x420
[  224.416725][ T6327]  sysfs_create_dir_ns+0x26e/0x2a0
[  224.421855][ T6327]  ? __lock_acquire+0x7d80/0x7d80
[  224.426902][ T6327]  ? sysfs_warn_dup+0xa0/0xa0
[  224.431594][ T6327]  ? do_raw_spin_unlock+0x121/0x230
[  224.436798][ T6327]  kobject_add_internal+0x617/0xc90
[  224.441996][ T6327]  kobject_init_and_add+0x12c/0x1a0
[  224.447188][ T6327]  ? lockdep_softirqs_off+0x440/0x440
[  224.452553][ T6327]  ? kobject_add+0x240/0x240
[  224.457138][ T6327]  ? __init_swait_queue_head+0xa8/0x140
[  224.462678][ T6327]  gfs2_sys_fs_add+0x253/0x4b0
[  224.467433][ T6327]  ? gfs2_recover_set+0x250/0x250
[  224.472452][ T6327]  ? apply_workqueue_attrs+0x180/0x180
[  224.477912][ T6327]  gfs2_fill_super+0x1344/0x1f90
[  224.482855][ T6327]  ? gfs2_reconfigure+0xb20/0xb20
[  224.487878][ T6327]  ? setup_bdev_super+0x56b/0x660
[  224.492894][ T6327]  get_tree_bdev+0x3e5/0x520
[  224.497471][ T6327]  ? kfree+0x31/0x1a0
[  224.501455][ T6327]  ? gfs2_reconfigure+0xb20/0xb20
[  224.506476][ T6327]  ? setup_bdev_super+0x660/0x660
[  224.511497][ T6327]  gfs2_get_tree+0x51/0x1e0
[  224.515996][ T6327]  vfs_get_tree+0x8c/0x280
[  224.520406][ T6327]  do_new_mount+0x24a/0xa40
[  224.524903][ T6327]  __se_sys_mount+0x2e7/0x3d0
[  224.529594][ T6327]  ? __x64_sys_mount+0xc0/0xc0
[  224.534351][ T6327]  ? lockdep_hardirqs_on+0x98/0x150
[  224.539542][ T6327]  ? __x64_sys_mount+0x20/0xc0
[  224.544296][ T6327]  do_syscall_64+0x55/0xb0
[  224.548699][ T6327]  ? clear_bhb_loop+0x40/0x90
[  224.553367][ T6327]  ? clear_bhb_loop+0x40/0x90
[  224.558036][ T6327]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  224.563919][ T6327] RIP: 0033:0x7fa06ef9f34a
[  224.568323][ T6327] 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
[  224.587920][ T6327] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.596328][ T6327] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  224.604287][ T6327] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  224.612257][ T6327] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  224.620221][ T6327] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  224.628184][ T6327] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  224.636162][ T6327]  </TASK>
[  224.657734][ T6327] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.675369][ T6327] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.988713][ T6329] loop1: detected capacity change from 0 to 32768
[  225.001961][ T6329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.010098][ T6329] CPU: 1 PID: 6329 Comm: syz.1.200 Not tainted syzkaller #0
[  225.017409][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  225.027479][ T6329] Call Trace:
[  225.030777][ T6329]  <TASK>
[  225.033745][ T6329]  dump_stack_lvl+0x18c/0x250
[  225.038453][ T6329]  ? show_regs_print_info+0x20/0x20
[  225.043678][ T6329]  ? load_image+0x420/0x420
[  225.048219][ T6329]  sysfs_create_dir_ns+0x26e/0x2a0
[  225.053346][ T6329]  ? __lock_acquire+0x7d80/0x7d80
[  225.058390][ T6329]  ? sysfs_warn_dup+0xa0/0xa0
[  225.063084][ T6329]  ? do_raw_spin_unlock+0x121/0x230
[  225.068310][ T6329]  kobject_add_internal+0x617/0xc90
[  225.073537][ T6329]  kobject_init_and_add+0x12c/0x1a0
[  225.078739][ T6329]  ? lockdep_softirqs_off+0x440/0x440
[  225.084110][ T6329]  ? kobject_add+0x240/0x240
[  225.088697][ T6329]  ? __init_swait_queue_head+0xa8/0x140
[  225.094238][ T6329]  gfs2_sys_fs_add+0x253/0x4b0
[  225.098996][ T6329]  ? gfs2_recover_set+0x250/0x250
[  225.104019][ T6329]  ? apply_workqueue_attrs+0x180/0x180
[  225.109479][ T6329]  gfs2_fill_super+0x1344/0x1f90
[  225.114418][ T6329]  ? gfs2_reconfigure+0xb20/0xb20
[  225.119451][ T6329]  ? setup_bdev_super+0x56b/0x660
[  225.124468][ T6329]  get_tree_bdev+0x3e5/0x520
[  225.129047][ T6329]  ? kfree+0x31/0x1a0
[  225.133029][ T6329]  ? gfs2_reconfigure+0xb20/0xb20
[  225.138043][ T6329]  ? setup_bdev_super+0x660/0x660
[  225.143065][ T6329]  gfs2_get_tree+0x51/0x1e0
[  225.147560][ T6329]  vfs_get_tree+0x8c/0x280
[  225.151968][ T6329]  do_new_mount+0x24a/0xa40
[  225.156555][ T6329]  __se_sys_mount+0x2e7/0x3d0
[  225.161228][ T6329]  ? __x64_sys_mount+0xc0/0xc0
[  225.165986][ T6329]  ? lockdep_hardirqs_on+0x98/0x150
[  225.171177][ T6329]  ? __x64_sys_mount+0x20/0xc0
[  225.175938][ T6329]  do_syscall_64+0x55/0xb0
[  225.180342][ T6329]  ? clear_bhb_loop+0x40/0x90
[  225.185009][ T6329]  ? clear_bhb_loop+0x40/0x90
[  225.189677][ T6329]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  225.195558][ T6329] RIP: 0033:0x7fa06ef9f34a
[  225.199965][ T6329] 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
[  225.219569][ T6329] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.227971][ T6329] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  225.235932][ T6329] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  225.243892][ T6329] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  225.251854][ T6329] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  225.259817][ T6329] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  225.267805][ T6329]  </TASK>
[  225.287341][ T6329] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.301888][ T6329] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.618932][ T6331] loop1: detected capacity change from 0 to 32768
[  225.631370][ T6331] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.638948][ T6331] CPU: 0 PID: 6331 Comm: syz.1.201 Not tainted syzkaller #0
[  225.646253][ T6331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  225.656335][ T6331] Call Trace:
[  225.659638][ T6331]  <TASK>
[  225.662585][ T6331]  dump_stack_lvl+0x18c/0x250
[  225.667292][ T6331]  ? show_regs_print_info+0x20/0x20
[  225.672513][ T6331]  ? load_image+0x420/0x420
[  225.677055][ T6331]  sysfs_create_dir_ns+0x26e/0x2a0
[  225.682187][ T6331]  ? __lock_acquire+0x7d80/0x7d80
[  225.687237][ T6331]  ? sysfs_warn_dup+0xa0/0xa0
[  225.691951][ T6331]  ? do_raw_spin_unlock+0x121/0x230
[  225.697177][ T6331]  kobject_add_internal+0x617/0xc90
[  225.702408][ T6331]  kobject_init_and_add+0x12c/0x1a0
[  225.707807][ T6331]  ? lockdep_softirqs_off+0x440/0x440
[  225.713207][ T6331]  ? kobject_add+0x240/0x240
[  225.717827][ T6331]  ? __init_swait_queue_head+0xa8/0x140
[  225.723394][ T6331]  gfs2_sys_fs_add+0x253/0x4b0
[  225.728173][ T6331]  ? gfs2_recover_set+0x250/0x250
[  225.733204][ T6331]  ? apply_workqueue_attrs+0x180/0x180
[  225.738675][ T6331]  gfs2_fill_super+0x1344/0x1f90
[  225.743653][ T6331]  ? gfs2_reconfigure+0xb20/0xb20
[  225.748698][ T6331]  ? setup_bdev_super+0x56b/0x660
[  225.753724][ T6331]  get_tree_bdev+0x3e5/0x520
[  225.758307][ T6331]  ? kfree+0x31/0x1a0
[  225.762283][ T6331]  ? gfs2_reconfigure+0xb20/0xb20
[  225.767303][ T6331]  ? setup_bdev_super+0x660/0x660
[  225.772326][ T6331]  gfs2_get_tree+0x51/0x1e0
[  225.776850][ T6331]  vfs_get_tree+0x8c/0x280
[  225.781261][ T6331]  do_new_mount+0x24a/0xa40
[  225.785764][ T6331]  __se_sys_mount+0x2e7/0x3d0
[  225.790435][ T6331]  ? __x64_sys_mount+0xc0/0xc0
[  225.795198][ T6331]  ? lockdep_hardirqs_on+0x98/0x150
[  225.800396][ T6331]  ? __x64_sys_mount+0x20/0xc0
[  225.805158][ T6331]  do_syscall_64+0x55/0xb0
[  225.809563][ T6331]  ? clear_bhb_loop+0x40/0x90
[  225.814230][ T6331]  ? clear_bhb_loop+0x40/0x90
[  225.818897][ T6331]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  225.824779][ T6331] RIP: 0033:0x7fa06ef9f34a
[  225.829186][ T6331] 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
[  225.848790][ T6331] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.857195][ T6331] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  225.865159][ T6331] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  225.873119][ T6331] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  225.881082][ T6331] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  225.889054][ T6331] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  225.897034][ T6331]  </TASK>
[  225.923665][ T6331] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.941108][ T6331] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/16 15:55:52 executed programs: 187
[  226.290084][ T6333] loop1: detected capacity change from 0 to 32768
[  226.304350][ T6333] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.312410][ T6333] CPU: 1 PID: 6333 Comm: syz.1.202 Not tainted syzkaller #0
[  226.319717][ T6333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  226.329784][ T6333] Call Trace:
[  226.333084][ T6333]  <TASK>
[  226.336033][ T6333]  dump_stack_lvl+0x18c/0x250
[  226.340736][ T6333]  ? show_regs_print_info+0x20/0x20
[  226.345953][ T6333]  ? load_image+0x420/0x420
[  226.350494][ T6333]  sysfs_create_dir_ns+0x26e/0x2a0
[  226.355628][ T6333]  ? __lock_acquire+0x7d80/0x7d80
[  226.360672][ T6333]  ? sysfs_warn_dup+0xa0/0xa0
[  226.365369][ T6333]  ? do_raw_spin_unlock+0x121/0x230
[  226.370593][ T6333]  kobject_add_internal+0x617/0xc90
[  226.375815][ T6333]  kobject_init_and_add+0x12c/0x1a0
[  226.381099][ T6333]  ? lockdep_softirqs_off+0x440/0x440
[  226.386469][ T6333]  ? kobject_add+0x240/0x240
[  226.391056][ T6333]  ? __init_swait_queue_head+0xa8/0x140
[  226.396597][ T6333]  gfs2_sys_fs_add+0x253/0x4b0
[  226.401374][ T6333]  ? gfs2_recover_set+0x250/0x250
[  226.406393][ T6333]  ? apply_workqueue_attrs+0x180/0x180
[  226.411854][ T6333]  gfs2_fill_super+0x1344/0x1f90
[  226.416793][ T6333]  ? gfs2_reconfigure+0xb20/0xb20
[  226.421823][ T6333]  ? setup_bdev_super+0x56b/0x660
[  226.426841][ T6333]  get_tree_bdev+0x3e5/0x520
[  226.431421][ T6333]  ? kfree+0x31/0x1a0
[  226.435396][ T6333]  ? gfs2_reconfigure+0xb20/0xb20
[  226.440415][ T6333]  ? setup_bdev_super+0x660/0x660
[  226.445434][ T6333]  gfs2_get_tree+0x51/0x1e0
[  226.449932][ T6333]  vfs_get_tree+0x8c/0x280
[  226.454343][ T6333]  do_new_mount+0x24a/0xa40
[  226.458844][ T6333]  __se_sys_mount+0x2e7/0x3d0
[  226.463516][ T6333]  ? __x64_sys_mount+0xc0/0xc0
[  226.468270][ T6333]  ? lockdep_hardirqs_on+0x98/0x150
[  226.473463][ T6333]  ? __x64_sys_mount+0x20/0xc0
[  226.478223][ T6333]  do_syscall_64+0x55/0xb0
[  226.482632][ T6333]  ? clear_bhb_loop+0x40/0x90
[  226.487385][ T6333]  ? clear_bhb_loop+0x40/0x90
[  226.492052][ T6333]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  226.497935][ T6333] RIP: 0033:0x7fa06ef9f34a
[  226.502345][ T6333] 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
[  226.521940][ T6333] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.530343][ T6333] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  226.538302][ T6333] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  226.546261][ T6333] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  226.554222][ T6333] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  226.562182][ T6333] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  226.570156][ T6333]  </TASK>
[  226.580556][ T6333] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.594829][ T6333] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.926473][ T6335] loop1: detected capacity change from 0 to 32768
[  226.944574][ T6335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.952060][ T6335] CPU: 0 PID: 6335 Comm: syz.1.203 Not tainted syzkaller #0
[  226.959363][ T6335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  226.969430][ T6335] Call Trace:
[  226.972719][ T6335]  <TASK>
[  226.975664][ T6335]  dump_stack_lvl+0x18c/0x250
[  226.980365][ T6335]  ? show_regs_print_info+0x20/0x20
[  226.985580][ T6335]  ? load_image+0x420/0x420
[  226.990122][ T6335]  sysfs_create_dir_ns+0x26e/0x2a0
[  226.995253][ T6335]  ? __lock_acquire+0x7d80/0x7d80
[  227.000297][ T6335]  ? sysfs_warn_dup+0xa0/0xa0
[  227.004993][ T6335]  ? do_raw_spin_unlock+0x121/0x230
[  227.010216][ T6335]  kobject_add_internal+0x617/0xc90
[  227.015442][ T6335]  kobject_init_and_add+0x12c/0x1a0
[  227.020665][ T6335]  ? lockdep_softirqs_off+0x440/0x440
[  227.026063][ T6335]  ? kobject_add+0x240/0x240
[  227.030674][ T6335]  ? __init_swait_queue_head+0xa8/0x140
[  227.036220][ T6335]  gfs2_sys_fs_add+0x253/0x4b0
[  227.040978][ T6335]  ? gfs2_recover_set+0x250/0x250
[  227.046000][ T6335]  ? apply_workqueue_attrs+0x180/0x180
[  227.051458][ T6335]  gfs2_fill_super+0x1344/0x1f90
[  227.056404][ T6335]  ? gfs2_reconfigure+0xb20/0xb20
[  227.061431][ T6335]  ? setup_bdev_super+0x56b/0x660
[  227.066450][ T6335]  get_tree_bdev+0x3e5/0x520
[  227.071129][ T6335]  ? kfree+0x31/0x1a0
[  227.075114][ T6335]  ? gfs2_reconfigure+0xb20/0xb20
[  227.080134][ T6335]  ? setup_bdev_super+0x660/0x660
[  227.085160][ T6335]  gfs2_get_tree+0x51/0x1e0
[  227.089663][ T6335]  vfs_get_tree+0x8c/0x280
[  227.094091][ T6335]  do_new_mount+0x24a/0xa40
[  227.098596][ T6335]  __se_sys_mount+0x2e7/0x3d0
[  227.103276][ T6335]  ? __x64_sys_mount+0xc0/0xc0
[  227.108034][ T6335]  ? lockdep_hardirqs_on+0x98/0x150
[  227.113227][ T6335]  ? __x64_sys_mount+0x20/0xc0
[  227.117985][ T6335]  do_syscall_64+0x55/0xb0
[  227.122393][ T6335]  ? clear_bhb_loop+0x40/0x90
[  227.127064][ T6335]  ? clear_bhb_loop+0x40/0x90
[  227.131735][ T6335]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  227.137623][ T6335] RIP: 0033:0x7fa06ef9f34a
[  227.142031][ T6335] 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
[  227.161633][ T6335] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.170041][ T6335] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  227.178003][ T6335] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  227.185966][ T6335] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  227.193929][ T6335] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  227.201893][ T6335] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  227.209865][ T6335]  </TASK>
[  227.229335][ T6335] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.243422][ T6335] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.291931][ T5877] Bluetooth: hci1: command 0x0406 tx timeout
[  227.613600][ T6337] loop1: detected capacity change from 0 to 32768
[  227.625531][ T6337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.633248][ T6337] CPU: 0 PID: 6337 Comm: syz.1.204 Not tainted syzkaller #0
[  227.640557][ T6337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  227.650892][ T6337] Call Trace:
[  227.654185][ T6337]  <TASK>
[  227.657136][ T6337]  dump_stack_lvl+0x18c/0x250
[  227.661840][ T6337]  ? show_regs_print_info+0x20/0x20
[  227.667061][ T6337]  ? load_image+0x420/0x420
[  227.671609][ T6337]  sysfs_create_dir_ns+0x26e/0x2a0
[  227.676739][ T6337]  ? __lock_acquire+0x7d80/0x7d80
[  227.681781][ T6337]  ? sysfs_warn_dup+0xa0/0xa0
[  227.686478][ T6337]  ? do_raw_spin_unlock+0x121/0x230
[  227.691701][ T6337]  kobject_add_internal+0x617/0xc90
[  227.697207][ T6337]  kobject_init_and_add+0x12c/0x1a0
[  227.702433][ T6337]  ? lockdep_softirqs_off+0x440/0x440
[  227.707832][ T6337]  ? kobject_add+0x240/0x240
[  227.712448][ T6337]  ? __init_swait_queue_head+0xa8/0x140
[  227.718022][ T6337]  gfs2_sys_fs_add+0x253/0x4b0
[  227.722809][ T6337]  ? gfs2_recover_set+0x250/0x250
[  227.727862][ T6337]  ? apply_workqueue_attrs+0x180/0x180
[  227.733341][ T6337]  gfs2_fill_super+0x1344/0x1f90
[  227.738285][ T6337]  ? gfs2_reconfigure+0xb20/0xb20
[  227.743310][ T6337]  ? setup_bdev_super+0x56b/0x660
[  227.748326][ T6337]  get_tree_bdev+0x3e5/0x520
[  227.752906][ T6337]  ? kfree+0x31/0x1a0
[  227.756884][ T6337]  ? gfs2_reconfigure+0xb20/0xb20
[  227.761899][ T6337]  ? setup_bdev_super+0x660/0x660
[  227.766920][ T6337]  gfs2_get_tree+0x51/0x1e0
[  227.771419][ T6337]  vfs_get_tree+0x8c/0x280
[  227.775831][ T6337]  do_new_mount+0x24a/0xa40
[  227.780331][ T6337]  __se_sys_mount+0x2e7/0x3d0
[  227.785007][ T6337]  ? __x64_sys_mount+0xc0/0xc0
[  227.789768][ T6337]  ? lockdep_hardirqs_on+0x98/0x150
[  227.794961][ T6337]  ? __x64_sys_mount+0x20/0xc0
[  227.799716][ T6337]  do_syscall_64+0x55/0xb0
[  227.804122][ T6337]  ? clear_bhb_loop+0x40/0x90
[  227.808787][ T6337]  ? clear_bhb_loop+0x40/0x90
[  227.813479][ T6337]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  227.819378][ T6337] RIP: 0033:0x7fa06ef9f34a
[  227.823784][ T6337] 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
[  227.843377][ T6337] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.851782][ T6337] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  227.859745][ T6337] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  227.867708][ T6337] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  227.875673][ T6337] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  227.883635][ T6337] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  227.891610][ T6337]  </TASK>
[  227.910732][ T6337] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.924812][ T6337] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.306007][ T6339] loop1: detected capacity change from 0 to 32768
[  228.321703][ T6339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.329861][ T6339] CPU: 1 PID: 6339 Comm: syz.1.205 Not tainted syzkaller #0
[  228.337167][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  228.347208][ T6339] Call Trace:
[  228.350481][ T6339]  <TASK>
[  228.353396][ T6339]  dump_stack_lvl+0x18c/0x250
[  228.358092][ T6339]  ? show_regs_print_info+0x20/0x20
[  228.363318][ T6339]  ? load_image+0x420/0x420
[  228.367861][ T6339]  sysfs_create_dir_ns+0x26e/0x2a0
[  228.372995][ T6339]  ? __lock_acquire+0x7d80/0x7d80
[  228.378046][ T6339]  ? sysfs_warn_dup+0xa0/0xa0
[  228.382747][ T6339]  ? do_raw_spin_unlock+0x121/0x230
[  228.387948][ T6339]  kobject_add_internal+0x617/0xc90
[  228.393151][ T6339]  kobject_init_and_add+0x12c/0x1a0
[  228.398345][ T6339]  ? lockdep_softirqs_off+0x440/0x440
[  228.403716][ T6339]  ? kobject_add+0x240/0x240
[  228.408305][ T6339]  ? __init_swait_queue_head+0xa8/0x140
[  228.413847][ T6339]  gfs2_sys_fs_add+0x253/0x4b0
[  228.418691][ T6339]  ? gfs2_recover_set+0x250/0x250
[  228.423711][ T6339]  ? apply_workqueue_attrs+0x180/0x180
[  228.429177][ T6339]  gfs2_fill_super+0x1344/0x1f90
[  228.434129][ T6339]  ? gfs2_reconfigure+0xb20/0xb20
[  228.439154][ T6339]  ? setup_bdev_super+0x56b/0x660
[  228.444193][ T6339]  get_tree_bdev+0x3e5/0x520
[  228.448770][ T6339]  ? kfree+0x31/0x1a0
[  228.452744][ T6339]  ? gfs2_reconfigure+0xb20/0xb20
[  228.457765][ T6339]  ? setup_bdev_super+0x660/0x660
[  228.462785][ T6339]  gfs2_get_tree+0x51/0x1e0
[  228.467282][ T6339]  vfs_get_tree+0x8c/0x280
[  228.471691][ T6339]  do_new_mount+0x24a/0xa40
[  228.476189][ T6339]  __se_sys_mount+0x2e7/0x3d0
[  228.480864][ T6339]  ? __x64_sys_mount+0xc0/0xc0
[  228.485625][ T6339]  ? lockdep_hardirqs_on+0x98/0x150
[  228.490813][ T6339]  ? __x64_sys_mount+0x20/0xc0
[  228.495572][ T6339]  do_syscall_64+0x55/0xb0
[  228.499979][ T6339]  ? clear_bhb_loop+0x40/0x90
[  228.504648][ T6339]  ? clear_bhb_loop+0x40/0x90
[  228.509315][ T6339]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  228.515198][ T6339] RIP: 0033:0x7fa06ef9f34a
[  228.519604][ T6339] 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
[  228.539204][ T6339] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.547612][ T6339] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  228.555572][ T6339] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  228.563536][ T6339] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  228.571497][ T6339] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  228.579465][ T6339] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  228.587436][ T6339]  </TASK>
[  228.599726][ T6339] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.618849][ T6339] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.971915][ T6341] loop1: detected capacity change from 0 to 32768
[  228.990481][ T6341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.998133][ T6341] CPU: 1 PID: 6341 Comm: syz.1.206 Not tainted syzkaller #0
[  229.007256][ T6341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  229.017861][ T6341] Call Trace:
[  229.021157][ T6341]  <TASK>
[  229.024101][ T6341]  dump_stack_lvl+0x18c/0x250
[  229.028807][ T6341]  ? show_regs_print_info+0x20/0x20
[  229.034027][ T6341]  ? load_image+0x420/0x420
[  229.038573][ T6341]  sysfs_create_dir_ns+0x26e/0x2a0
[  229.043696][ T6341]  ? __lock_acquire+0x7d80/0x7d80
[  229.048709][ T6341]  ? sysfs_warn_dup+0xa0/0xa0
[  229.053481][ T6341]  ? do_raw_spin_unlock+0x121/0x230
[  229.058698][ T6341]  kobject_add_internal+0x617/0xc90
[  229.063926][ T6341]  kobject_init_and_add+0x12c/0x1a0
[  229.069148][ T6341]  ? lockdep_softirqs_off+0x440/0x440
[  229.074542][ T6341]  ? kobject_add+0x240/0x240
[  229.079160][ T6341]  ? __init_swait_queue_head+0xa8/0x140
[  229.084729][ T6341]  gfs2_sys_fs_add+0x253/0x4b0
[  229.089513][ T6341]  ? gfs2_recover_set+0x250/0x250
[  229.094568][ T6341]  ? apply_workqueue_attrs+0x180/0x180
[  229.100059][ T6341]  gfs2_fill_super+0x1344/0x1f90
[  229.105015][ T6341]  ? gfs2_reconfigure+0xb20/0xb20
[  229.110049][ T6341]  ? setup_bdev_super+0x56b/0x660
[  229.115085][ T6341]  get_tree_bdev+0x3e5/0x520
[  229.119669][ T6341]  ? kfree+0x31/0x1a0
[  229.123647][ T6341]  ? gfs2_reconfigure+0xb20/0xb20
[  229.128678][ T6341]  ? setup_bdev_super+0x660/0x660
[  229.133700][ T6341]  gfs2_get_tree+0x51/0x1e0
[  229.138198][ T6341]  vfs_get_tree+0x8c/0x280
[  229.142606][ T6341]  do_new_mount+0x24a/0xa40
[  229.147105][ T6341]  __se_sys_mount+0x2e7/0x3d0
[  229.151776][ T6341]  ? __x64_sys_mount+0xc0/0xc0
[  229.156535][ T6341]  ? lockdep_hardirqs_on+0x98/0x150
[  229.161727][ T6341]  ? __x64_sys_mount+0x20/0xc0
[  229.166483][ T6341]  do_syscall_64+0x55/0xb0
[  229.170911][ T6341]  ? clear_bhb_loop+0x40/0x90
[  229.175604][ T6341]  ? clear_bhb_loop+0x40/0x90
[  229.180292][ T6341]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  229.186185][ T6341] RIP: 0033:0x7fa06ef9f34a
[  229.190598][ T6341] 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
[  229.210208][ T6341] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.218620][ T6341] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  229.226587][ T6341] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  229.234550][ T6341] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  229.242530][ T6341] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  229.250508][ T6341] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  229.258487][ T6341]  </TASK>
[  229.266141][ T6341] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.280544][ T6341] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.671815][ T6343] loop1: detected capacity change from 0 to 32768
[  229.684487][ T6343] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.692566][ T6343] CPU: 0 PID: 6343 Comm: syz.1.207 Not tainted syzkaller #0
[  229.699882][ T6343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  229.709947][ T6343] Call Trace:
[  229.713238][ T6343]  <TASK>
[  229.716187][ T6343]  dump_stack_lvl+0x18c/0x250
[  229.720898][ T6343]  ? show_regs_print_info+0x20/0x20
[  229.726119][ T6343]  ? load_image+0x420/0x420
[  229.730665][ T6343]  sysfs_create_dir_ns+0x26e/0x2a0
[  229.735806][ T6343]  ? __lock_acquire+0x7d80/0x7d80
[  229.740856][ T6343]  ? sysfs_warn_dup+0xa0/0xa0
[  229.745552][ T6343]  ? do_raw_spin_unlock+0x121/0x230
[  229.750776][ T6343]  kobject_add_internal+0x617/0xc90
[  229.756014][ T6343]  kobject_init_and_add+0x12c/0x1a0
[  229.761241][ T6343]  ? lockdep_softirqs_off+0x440/0x440
[  229.766636][ T6343]  ? kobject_add+0x240/0x240
[  229.771259][ T6343]  ? __init_swait_queue_head+0xa8/0x140
[  229.776826][ T6343]  gfs2_sys_fs_add+0x253/0x4b0
[  229.781613][ T6343]  ? gfs2_recover_set+0x250/0x250
[  229.786665][ T6343]  ? apply_workqueue_attrs+0x180/0x180
[  229.792157][ T6343]  gfs2_fill_super+0x1344/0x1f90
[  229.797127][ T6343]  ? gfs2_reconfigure+0xb20/0xb20
[  229.802182][ T6343]  ? setup_bdev_super+0x56b/0x660
[  229.807221][ T6343]  get_tree_bdev+0x3e5/0x520
[  229.811799][ T6343]  ? kfree+0x31/0x1a0
[  229.815770][ T6343]  ? gfs2_reconfigure+0xb20/0xb20
[  229.820793][ T6343]  ? setup_bdev_super+0x660/0x660
[  229.825829][ T6343]  gfs2_get_tree+0x51/0x1e0
[  229.830335][ T6343]  vfs_get_tree+0x8c/0x280
[  229.834763][ T6343]  do_new_mount+0x24a/0xa40
[  229.839259][ T6343]  __se_sys_mount+0x2e7/0x3d0
[  229.843940][ T6343]  ? __x64_sys_mount+0xc0/0xc0
[  229.848686][ T6343]  ? lockdep_hardirqs_on+0x98/0x150
[  229.853870][ T6343]  ? __x64_sys_mount+0x20/0xc0
[  229.858619][ T6343]  do_syscall_64+0x55/0xb0
[  229.863022][ T6343]  ? clear_bhb_loop+0x40/0x90
[  229.867703][ T6343]  ? clear_bhb_loop+0x40/0x90
[  229.872373][ T6343]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  229.878251][ T6343] RIP: 0033:0x7fa06ef9f34a
[  229.882662][ T6343] 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
[  229.902261][ T6343] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.910660][ T6343] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  229.918617][ T6343] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  229.926572][ T6343] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  229.934668][ T6343] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  229.942629][ T6343] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  229.950598][ T6343]  </TASK>
[  229.954667][ T6343] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.968707][ T6343] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.317700][ T6345] loop1: detected capacity change from 0 to 32768
[  230.344467][ T6345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.351963][ T6345] CPU: 1 PID: 6345 Comm: syz.1.208 Not tainted syzkaller #0
[  230.359264][ T6345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  230.369433][ T6345] Call Trace:
[  230.372735][ T6345]  <TASK>
[  230.375678][ T6345]  dump_stack_lvl+0x18c/0x250
[  230.380384][ T6345]  ? show_regs_print_info+0x20/0x20
[  230.385601][ T6345]  ? load_image+0x420/0x420
[  230.390140][ T6345]  sysfs_create_dir_ns+0x26e/0x2a0
[  230.395269][ T6345]  ? __lock_acquire+0x7d80/0x7d80
[  230.400312][ T6345]  ? sysfs_warn_dup+0xa0/0xa0
[  230.405014][ T6345]  ? do_raw_spin_unlock+0x121/0x230
[  230.410241][ T6345]  kobject_add_internal+0x617/0xc90
[  230.415558][ T6345]  kobject_init_and_add+0x12c/0x1a0
[  230.420780][ T6345]  ? lockdep_softirqs_off+0x440/0x440
[  230.426177][ T6345]  ? kobject_add+0x240/0x240
[  230.430797][ T6345]  ? __init_swait_queue_head+0xa8/0x140
[  230.436494][ T6345]  gfs2_sys_fs_add+0x253/0x4b0
[  230.441279][ T6345]  ? gfs2_recover_set+0x250/0x250
[  230.446328][ T6345]  ? apply_workqueue_attrs+0x180/0x180
[  230.451805][ T6345]  gfs2_fill_super+0x1344/0x1f90
[  230.456744][ T6345]  ? gfs2_reconfigure+0xb20/0xb20
[  230.461765][ T6345]  ? setup_bdev_super+0x56b/0x660
[  230.466786][ T6345]  get_tree_bdev+0x3e5/0x520
[  230.471371][ T6345]  ? kfree+0x31/0x1a0
[  230.475350][ T6345]  ? gfs2_reconfigure+0xb20/0xb20
[  230.480367][ T6345]  ? setup_bdev_super+0x660/0x660
[  230.485386][ T6345]  gfs2_get_tree+0x51/0x1e0
[  230.489886][ T6345]  vfs_get_tree+0x8c/0x280
[  230.494294][ T6345]  do_new_mount+0x24a/0xa40
[  230.498795][ T6345]  __se_sys_mount+0x2e7/0x3d0
[  230.503471][ T6345]  ? __x64_sys_mount+0xc0/0xc0
[  230.508230][ T6345]  ? lockdep_hardirqs_on+0x98/0x150
[  230.513446][ T6345]  ? __x64_sys_mount+0x20/0xc0
[  230.518204][ T6345]  do_syscall_64+0x55/0xb0
[  230.522615][ T6345]  ? clear_bhb_loop+0x40/0x90
[  230.527299][ T6345]  ? clear_bhb_loop+0x40/0x90
[  230.531977][ T6345]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  230.537862][ T6345] RIP: 0033:0x7fa06ef9f34a
[  230.542271][ T6345] 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
[  230.561868][ T6345] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.570274][ T6345] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  230.578236][ T6345] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  230.586194][ T6345] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  230.594153][ T6345] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  230.602115][ T6345] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  230.610089][ T6345]  </TASK>
[  230.617469][ T6345] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.631671][ T6345] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.987767][ T6347] loop1: detected capacity change from 0 to 32768
[  230.999854][ T6347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.007235][ T6347] CPU: 0 PID: 6347 Comm: syz.1.209 Not tainted syzkaller #0
[  231.014510][ T6347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  231.024566][ T6347] Call Trace:
[  231.027861][ T6347]  <TASK>
[  231.030808][ T6347]  dump_stack_lvl+0x18c/0x250
[  231.035510][ T6347]  ? show_regs_print_info+0x20/0x20
[  231.040729][ T6347]  ? load_image+0x420/0x420
[  231.045279][ T6347]  sysfs_create_dir_ns+0x26e/0x2a0
[  231.050409][ T6347]  ? __lock_acquire+0x7d80/0x7d80
[  231.055454][ T6347]  ? sysfs_warn_dup+0xa0/0xa0
[  231.060154][ T6347]  ? do_raw_spin_unlock+0x121/0x230
[  231.065381][ T6347]  kobject_add_internal+0x617/0xc90
[  231.070602][ T6347]  kobject_init_and_add+0x12c/0x1a0
[  231.075801][ T6347]  ? lockdep_softirqs_off+0x440/0x440
[  231.081170][ T6347]  ? kobject_add+0x240/0x240
[  231.085760][ T6347]  ? __init_swait_queue_head+0xa8/0x140
[  231.091304][ T6347]  gfs2_sys_fs_add+0x253/0x4b0
[  231.096061][ T6347]  ? gfs2_recover_set+0x250/0x250
[  231.101081][ T6347]  ? apply_workqueue_attrs+0x180/0x180
[  231.106540][ T6347]  gfs2_fill_super+0x1344/0x1f90
[  231.111494][ T6347]  ? gfs2_reconfigure+0xb20/0xb20
[  231.116525][ T6347]  ? setup_bdev_super+0x56b/0x660
[  231.121544][ T6347]  get_tree_bdev+0x3e5/0x520
[  231.126130][ T6347]  ? kfree+0x31/0x1a0
[  231.130108][ T6347]  ? gfs2_reconfigure+0xb20/0xb20
[  231.135126][ T6347]  ? setup_bdev_super+0x660/0x660
[  231.140148][ T6347]  gfs2_get_tree+0x51/0x1e0
[  231.144646][ T6347]  vfs_get_tree+0x8c/0x280
[  231.149054][ T6347]  do_new_mount+0x24a/0xa40
[  231.153563][ T6347]  __se_sys_mount+0x2e7/0x3d0
[  231.158233][ T6347]  ? __x64_sys_mount+0xc0/0xc0
[  231.162997][ T6347]  ? lockdep_hardirqs_on+0x98/0x150
[  231.168191][ T6347]  ? __x64_sys_mount+0x20/0xc0
[  231.172954][ T6347]  do_syscall_64+0x55/0xb0
[  231.177367][ T6347]  ? clear_bhb_loop+0x40/0x90
[  231.182035][ T6347]  ? clear_bhb_loop+0x40/0x90
[  231.186703][ T6347]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  231.192590][ T6347] RIP: 0033:0x7fa06ef9f34a
[  231.196995][ T6347] 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
[  231.216674][ T6347] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.225078][ T6347] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  231.233042][ T6347] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  231.241003][ T6347] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  231.249398][ T6347] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  231.257381][ T6347] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  231.265357][ T6347]  </TASK>
[  231.272366][ T6347] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.288208][ T6347] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/16 15:55:57 executed programs: 195
[  231.621036][ T6349] loop1: detected capacity change from 0 to 32768
[  231.650157][ T6349] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.657571][ T6349] CPU: 1 PID: 6349 Comm: syz.1.210 Not tainted syzkaller #0
[  231.664875][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  231.674947][ T6349] Call Trace:
[  231.678238][ T6349]  <TASK>
[  231.681194][ T6349]  dump_stack_lvl+0x18c/0x250
[  231.685898][ T6349]  ? show_regs_print_info+0x20/0x20
[  231.691114][ T6349]  ? load_image+0x420/0x420
[  231.695653][ T6349]  sysfs_create_dir_ns+0x26e/0x2a0
[  231.700784][ T6349]  ? __lock_acquire+0x7d80/0x7d80
[  231.705833][ T6349]  ? sysfs_warn_dup+0xa0/0xa0
[  231.710532][ T6349]  ? do_raw_spin_unlock+0x121/0x230
[  231.715754][ T6349]  kobject_add_internal+0x617/0xc90
[  231.720984][ T6349]  kobject_init_and_add+0x12c/0x1a0
[  231.726203][ T6349]  ? lockdep_softirqs_off+0x440/0x440
[  231.731596][ T6349]  ? kobject_add+0x240/0x240
[  231.736212][ T6349]  ? __init_swait_queue_head+0xa8/0x140
[  231.741778][ T6349]  gfs2_sys_fs_add+0x253/0x4b0
[  231.746556][ T6349]  ? gfs2_recover_set+0x250/0x250
[  231.751576][ T6349]  ? apply_workqueue_attrs+0x180/0x180
[  231.757028][ T6349]  gfs2_fill_super+0x1344/0x1f90
[  231.761967][ T6349]  ? gfs2_reconfigure+0xb20/0xb20
[  231.766994][ T6349]  ? setup_bdev_super+0x56b/0x660
[  231.772015][ T6349]  get_tree_bdev+0x3e5/0x520
[  231.776600][ T6349]  ? kfree+0x31/0x1a0
[  231.780580][ T6349]  ? gfs2_reconfigure+0xb20/0xb20
[  231.785596][ T6349]  ? setup_bdev_super+0x660/0x660
[  231.790627][ T6349]  gfs2_get_tree+0x51/0x1e0
[  231.795125][ T6349]  vfs_get_tree+0x8c/0x280
[  231.799535][ T6349]  do_new_mount+0x24a/0xa40
[  231.804034][ T6349]  __se_sys_mount+0x2e7/0x3d0
[  231.808709][ T6349]  ? __x64_sys_mount+0xc0/0xc0
[  231.813469][ T6349]  ? lockdep_hardirqs_on+0x98/0x150
[  231.818660][ T6349]  ? __x64_sys_mount+0x20/0xc0
[  231.823420][ T6349]  do_syscall_64+0x55/0xb0
[  231.827827][ T6349]  ? clear_bhb_loop+0x40/0x90
[  231.832496][ T6349]  ? clear_bhb_loop+0x40/0x90
[  231.837161][ T6349]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  231.843047][ T6349] RIP: 0033:0x7fa06ef9f34a
[  231.847454][ T6349] 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
[  231.867048][ T6349] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.875460][ T6349] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  231.883427][ T6349] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  231.891391][ T6349] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  231.899354][ T6349] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  231.907315][ T6349] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  231.915324][ T6349]  </TASK>
[  231.923681][ T6349] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.938706][ T6349] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.275810][ T6351] loop1: detected capacity change from 0 to 32768
[  232.293225][ T6351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.300759][ T6351] CPU: 1 PID: 6351 Comm: syz.1.211 Not tainted syzkaller #0
[  232.308063][ T6351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  232.318137][ T6351] Call Trace:
[  232.321435][ T6351]  <TASK>
[  232.324386][ T6351]  dump_stack_lvl+0x18c/0x250
[  232.329088][ T6351]  ? show_regs_print_info+0x20/0x20
[  232.334307][ T6351]  ? load_image+0x420/0x420
[  232.338845][ T6351]  sysfs_create_dir_ns+0x26e/0x2a0
[  232.343975][ T6351]  ? __lock_acquire+0x7d80/0x7d80
[  232.349028][ T6351]  ? sysfs_warn_dup+0xa0/0xa0
[  232.353726][ T6351]  ? do_raw_spin_unlock+0x121/0x230
[  232.358953][ T6351]  kobject_add_internal+0x617/0xc90
[  232.364173][ T6351]  kobject_init_and_add+0x12c/0x1a0
[  232.369373][ T6351]  ? lockdep_softirqs_off+0x440/0x440
[  232.374739][ T6351]  ? kobject_add+0x240/0x240
[  232.379328][ T6351]  ? __init_swait_queue_head+0xa8/0x140
[  232.384867][ T6351]  gfs2_sys_fs_add+0x253/0x4b0
[  232.389625][ T6351]  ? gfs2_recover_set+0x250/0x250
[  232.394665][ T6351]  ? apply_workqueue_attrs+0x180/0x180
[  232.400131][ T6351]  gfs2_fill_super+0x1344/0x1f90
[  232.405075][ T6351]  ? gfs2_reconfigure+0xb20/0xb20
[  232.410099][ T6351]  ? setup_bdev_super+0x56b/0x660
[  232.415116][ T6351]  get_tree_bdev+0x3e5/0x520
[  232.419697][ T6351]  ? kfree+0x31/0x1a0
[  232.423672][ T6351]  ? gfs2_reconfigure+0xb20/0xb20
[  232.428691][ T6351]  ? setup_bdev_super+0x660/0x660
[  232.433711][ T6351]  gfs2_get_tree+0x51/0x1e0
[  232.438212][ T6351]  vfs_get_tree+0x8c/0x280
[  232.442620][ T6351]  do_new_mount+0x24a/0xa40
[  232.447121][ T6351]  __se_sys_mount+0x2e7/0x3d0
[  232.451792][ T6351]  ? __x64_sys_mount+0xc0/0xc0
[  232.456548][ T6351]  ? lockdep_hardirqs_on+0x98/0x150
[  232.461739][ T6351]  ? __x64_sys_mount+0x20/0xc0
[  232.466496][ T6351]  do_syscall_64+0x55/0xb0
[  232.470906][ T6351]  ? clear_bhb_loop+0x40/0x90
[  232.475573][ T6351]  ? clear_bhb_loop+0x40/0x90
[  232.480243][ T6351]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  232.486127][ T6351] RIP: 0033:0x7fa06ef9f34a
[  232.490536][ T6351] 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
[  232.510133][ T6351] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.518628][ T6351] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  232.526596][ T6351] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  232.534556][ T6351] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  232.542518][ T6351] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  232.550478][ T6351] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  232.558451][ T6351]  </TASK>
[  232.579523][ T6351] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.600270][ T6351] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.982736][ T6353] loop1: detected capacity change from 0 to 32768
[  232.998687][ T6353] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.007453][ T6353] CPU: 1 PID: 6353 Comm: syz.1.212 Not tainted syzkaller #0
[  233.014767][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  233.024832][ T6353] Call Trace:
[  233.028125][ T6353]  <TASK>
[  233.031072][ T6353]  dump_stack_lvl+0x18c/0x250
[  233.035773][ T6353]  ? show_regs_print_info+0x20/0x20
[  233.040992][ T6353]  ? load_image+0x420/0x420
[  233.045532][ T6353]  sysfs_create_dir_ns+0x26e/0x2a0
[  233.050663][ T6353]  ? __lock_acquire+0x7d80/0x7d80
[  233.055709][ T6353]  ? sysfs_warn_dup+0xa0/0xa0
[  233.060384][ T6353]  ? do_raw_spin_unlock+0x121/0x230
[  233.065585][ T6353]  kobject_add_internal+0x617/0xc90
[  233.070790][ T6353]  kobject_init_and_add+0x12c/0x1a0
[  233.076070][ T6353]  ? lockdep_softirqs_off+0x440/0x440
[  233.081442][ T6353]  ? kobject_add+0x240/0x240
[  233.086031][ T6353]  ? __init_swait_queue_head+0xa8/0x140
[  233.091571][ T6353]  gfs2_sys_fs_add+0x253/0x4b0
[  233.096334][ T6353]  ? gfs2_recover_set+0x250/0x250
[  233.101353][ T6353]  ? apply_workqueue_attrs+0x180/0x180
[  233.106812][ T6353]  gfs2_fill_super+0x1344/0x1f90
[  233.111755][ T6353]  ? gfs2_reconfigure+0xb20/0xb20
[  233.116781][ T6353]  ? setup_bdev_super+0x56b/0x660
[  233.121796][ T6353]  get_tree_bdev+0x3e5/0x520
[  233.126381][ T6353]  ? kfree+0x31/0x1a0
[  233.130362][ T6353]  ? gfs2_reconfigure+0xb20/0xb20
[  233.135378][ T6353]  ? setup_bdev_super+0x660/0x660
[  233.140400][ T6353]  gfs2_get_tree+0x51/0x1e0
[  233.144898][ T6353]  vfs_get_tree+0x8c/0x280
[  233.149306][ T6353]  do_new_mount+0x24a/0xa40
[  233.153806][ T6353]  __se_sys_mount+0x2e7/0x3d0
[  233.158478][ T6353]  ? __x64_sys_mount+0xc0/0xc0
[  233.163238][ T6353]  ? lockdep_hardirqs_on+0x98/0x150
[  233.168429][ T6353]  ? __x64_sys_mount+0x20/0xc0
[  233.173206][ T6353]  do_syscall_64+0x55/0xb0
[  233.177615][ T6353]  ? clear_bhb_loop+0x40/0x90
[  233.182283][ T6353]  ? clear_bhb_loop+0x40/0x90
[  233.186949][ T6353]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  233.192834][ T6353] RIP: 0033:0x7fa06ef9f34a
[  233.197242][ T6353] 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
[  233.216836][ T6353] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.225244][ T6353] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  233.233207][ T6353] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  233.241170][ T6353] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  233.249133][ T6353] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  233.257095][ T6353] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  233.265065][ T6353]  </TASK>
[  233.277354][ T6353] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.292477][ T6353] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.609411][ T6355] loop1: detected capacity change from 0 to 32768
[  233.629354][ T6355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.636750][ T6355] CPU: 0 PID: 6355 Comm: syz.1.213 Not tainted syzkaller #0
[  233.644034][ T6355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  233.654103][ T6355] Call Trace:
[  233.657399][ T6355]  <TASK>
[  233.660349][ T6355]  dump_stack_lvl+0x18c/0x250
[  233.665052][ T6355]  ? show_regs_print_info+0x20/0x20
[  233.670274][ T6355]  ? load_image+0x420/0x420
[  233.674814][ T6355]  sysfs_create_dir_ns+0x26e/0x2a0
[  233.679947][ T6355]  ? __lock_acquire+0x7d80/0x7d80
[  233.685003][ T6355]  ? sysfs_warn_dup+0xa0/0xa0
[  233.689697][ T6355]  ? do_raw_spin_unlock+0x121/0x230
[  233.694920][ T6355]  kobject_add_internal+0x617/0xc90
[  233.700154][ T6355]  kobject_init_and_add+0x12c/0x1a0
[  233.705377][ T6355]  ? lockdep_softirqs_off+0x440/0x440
[  233.710766][ T6355]  ? kobject_add+0x240/0x240
[  233.715360][ T6355]  ? __init_swait_queue_head+0xa8/0x140
[  233.720901][ T6355]  gfs2_sys_fs_add+0x253/0x4b0
[  233.725667][ T6355]  ? gfs2_recover_set+0x250/0x250
[  233.730692][ T6355]  ? apply_workqueue_attrs+0x180/0x180
[  233.736150][ T6355]  gfs2_fill_super+0x1344/0x1f90
[  233.741093][ T6355]  ? gfs2_reconfigure+0xb20/0xb20
[  233.746114][ T6355]  ? setup_bdev_super+0x56b/0x660
[  233.751132][ T6355]  get_tree_bdev+0x3e5/0x520
[  233.755709][ T6355]  ? kfree+0x31/0x1a0
[  233.759685][ T6355]  ? gfs2_reconfigure+0xb20/0xb20
[  233.764699][ T6355]  ? setup_bdev_super+0x660/0x660
[  233.769724][ T6355]  gfs2_get_tree+0x51/0x1e0
[  233.774225][ T6355]  vfs_get_tree+0x8c/0x280
[  233.778634][ T6355]  do_new_mount+0x24a/0xa40
[  233.783136][ T6355]  __se_sys_mount+0x2e7/0x3d0
[  233.787825][ T6355]  ? __x64_sys_mount+0xc0/0xc0
[  233.792614][ T6355]  ? lockdep_hardirqs_on+0x98/0x150
[  233.797810][ T6355]  ? __x64_sys_mount+0x20/0xc0
[  233.802568][ T6355]  do_syscall_64+0x55/0xb0
[  233.806979][ T6355]  ? clear_bhb_loop+0x40/0x90
[  233.811651][ T6355]  ? clear_bhb_loop+0x40/0x90
[  233.816320][ T6355]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  233.822211][ T6355] RIP: 0033:0x7fa06ef9f34a
[  233.826626][ T6355] 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
[  233.846228][ T6355] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.854646][ T6355] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  233.862613][ T6355] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  233.870576][ T6355] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  233.878544][ T6355] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  233.886516][ T6355] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  233.894494][ T6355]  </TASK>
[  233.903436][ T6355] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.934702][ T6355] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.291105][ T6357] loop1: detected capacity change from 0 to 32768
[  234.303779][ T6357] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.311394][ T6357] CPU: 0 PID: 6357 Comm: syz.1.214 Not tainted syzkaller #0
[  234.318704][ T6357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  234.328774][ T6357] Call Trace:
[  234.332066][ T6357]  <TASK>
[  234.335018][ T6357]  dump_stack_lvl+0x18c/0x250
[  234.339725][ T6357]  ? show_regs_print_info+0x20/0x20
[  234.344945][ T6357]  ? load_image+0x420/0x420
[  234.349491][ T6357]  sysfs_create_dir_ns+0x26e/0x2a0
[  234.354621][ T6357]  ? __lock_acquire+0x7d80/0x7d80
[  234.359674][ T6357]  ? sysfs_warn_dup+0xa0/0xa0
[  234.364460][ T6357]  ? do_raw_spin_unlock+0x121/0x230
[  234.369691][ T6357]  kobject_add_internal+0x617/0xc90
[  234.374921][ T6357]  kobject_init_and_add+0x12c/0x1a0
[  234.380161][ T6357]  ? lockdep_softirqs_off+0x440/0x440
[  234.385555][ T6357]  ? kobject_add+0x240/0x240
[  234.390178][ T6357]  ? __init_swait_queue_head+0xa8/0x140
[  234.395747][ T6357]  gfs2_sys_fs_add+0x253/0x4b0
[  234.400536][ T6357]  ? gfs2_recover_set+0x250/0x250
[  234.405675][ T6357]  ? apply_workqueue_attrs+0x180/0x180
[  234.411177][ T6357]  gfs2_fill_super+0x1344/0x1f90
[  234.416148][ T6357]  ? gfs2_reconfigure+0xb20/0xb20
[  234.421202][ T6357]  ? setup_bdev_super+0x56b/0x660
[  234.426240][ T6357]  get_tree_bdev+0x3e5/0x520
[  234.430824][ T6357]  ? kfree+0x31/0x1a0
[  234.434791][ T6357]  ? gfs2_reconfigure+0xb20/0xb20
[  234.439809][ T6357]  ? setup_bdev_super+0x660/0x660
[  234.444826][ T6357]  gfs2_get_tree+0x51/0x1e0
[  234.449318][ T6357]  vfs_get_tree+0x8c/0x280
[  234.453729][ T6357]  do_new_mount+0x24a/0xa40
[  234.458237][ T6357]  __se_sys_mount+0x2e7/0x3d0
[  234.462902][ T6357]  ? __x64_sys_mount+0xc0/0xc0
[  234.467652][ T6357]  ? lockdep_hardirqs_on+0x98/0x150
[  234.472834][ T6357]  ? __x64_sys_mount+0x20/0xc0
[  234.477584][ T6357]  do_syscall_64+0x55/0xb0
[  234.481989][ T6357]  ? clear_bhb_loop+0x40/0x90
[  234.486652][ T6357]  ? clear_bhb_loop+0x40/0x90
[  234.491330][ T6357]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  234.497207][ T6357] RIP: 0033:0x7fa06ef9f34a
[  234.501611][ T6357] 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
[  234.521220][ T6357] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.529635][ T6357] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  234.537588][ T6357] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  234.545546][ T6357] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  234.553501][ T6357] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  234.561455][ T6357] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  234.569437][ T6357]  </TASK>
[  234.573970][ T6357] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.587973][ T6357] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.932764][ T6359] loop1: detected capacity change from 0 to 32768
[  234.953467][ T6359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.960941][ T6359] CPU: 1 PID: 6359 Comm: syz.1.215 Not tainted syzkaller #0
[  234.968234][ T6359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  234.978288][ T6359] Call Trace:
[  234.981579][ T6359]  <TASK>
[  234.984528][ T6359]  dump_stack_lvl+0x18c/0x250
[  234.989235][ T6359]  ? show_regs_print_info+0x20/0x20
[  234.994458][ T6359]  ? load_image+0x420/0x420
[  234.998997][ T6359]  sysfs_create_dir_ns+0x26e/0x2a0
[  235.004126][ T6359]  ? __lock_acquire+0x7d80/0x7d80
[  235.009170][ T6359]  ? sysfs_warn_dup+0xa0/0xa0
[  235.013861][ T6359]  ? do_raw_spin_unlock+0x121/0x230
[  235.019053][ T6359]  kobject_add_internal+0x617/0xc90
[  235.024266][ T6359]  kobject_init_and_add+0x12c/0x1a0
[  235.029492][ T6359]  ? lockdep_softirqs_off+0x440/0x440
[  235.034893][ T6359]  ? kobject_add+0x240/0x240
[  235.039513][ T6359]  ? __init_swait_queue_head+0xa8/0x140
[  235.045078][ T6359]  gfs2_sys_fs_add+0x253/0x4b0
[  235.049865][ T6359]  ? gfs2_recover_set+0x250/0x250
[  235.054925][ T6359]  ? apply_workqueue_attrs+0x180/0x180
[  235.060419][ T6359]  gfs2_fill_super+0x1344/0x1f90
[  235.065397][ T6359]  ? gfs2_reconfigure+0xb20/0xb20
[  235.070440][ T6359]  ? setup_bdev_super+0x56b/0x660
[  235.075450][ T6359]  get_tree_bdev+0x3e5/0x520
[  235.080025][ T6359]  ? kfree+0x31/0x1a0
[  235.084018][ T6359]  ? gfs2_reconfigure+0xb20/0xb20
[  235.089031][ T6359]  ? setup_bdev_super+0x660/0x660
[  235.094042][ T6359]  gfs2_get_tree+0x51/0x1e0
[  235.098550][ T6359]  vfs_get_tree+0x8c/0x280
[  235.102954][ T6359]  do_new_mount+0x24a/0xa40
[  235.107443][ T6359]  __se_sys_mount+0x2e7/0x3d0
[  235.112106][ T6359]  ? __x64_sys_mount+0xc0/0xc0
[  235.116853][ T6359]  ? lockdep_hardirqs_on+0x98/0x150
[  235.122039][ T6359]  ? __x64_sys_mount+0x20/0xc0
[  235.126787][ T6359]  do_syscall_64+0x55/0xb0
[  235.131295][ T6359]  ? clear_bhb_loop+0x40/0x90
[  235.135961][ T6359]  ? clear_bhb_loop+0x40/0x90
[  235.140635][ T6359]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  235.146513][ T6359] RIP: 0033:0x7fa06ef9f34a
[  235.150922][ T6359] 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
[  235.170534][ T6359] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.178936][ T6359] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  235.186894][ T6359] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  235.194852][ T6359] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  235.202807][ T6359] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  235.210762][ T6359] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  235.218726][ T6359]  </TASK>
[  235.223467][ T6359] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.237408][ T6359] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.600218][ T6361] loop1: detected capacity change from 0 to 32768
[  235.613577][ T6361] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.628150][ T6361] CPU: 0 PID: 6361 Comm: syz.1.216 Not tainted syzkaller #0
[  235.635467][ T6361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  235.645535][ T6361] Call Trace:
[  235.648828][ T6361]  <TASK>
[  235.651777][ T6361]  dump_stack_lvl+0x18c/0x250
[  235.656480][ T6361]  ? show_regs_print_info+0x20/0x20
[  235.661698][ T6361]  ? load_image+0x420/0x420
[  235.666234][ T6361]  sysfs_create_dir_ns+0x26e/0x2a0
[  235.671364][ T6361]  ? __lock_acquire+0x7d80/0x7d80
[  235.676402][ T6361]  ? sysfs_warn_dup+0xa0/0xa0
[  235.681071][ T6361]  ? do_raw_spin_unlock+0x121/0x230
[  235.686256][ T6361]  kobject_add_internal+0x617/0xc90
[  235.691466][ T6361]  kobject_init_and_add+0x12c/0x1a0
[  235.696652][ T6361]  ? lockdep_softirqs_off+0x440/0x440
[  235.702014][ T6361]  ? kobject_add+0x240/0x240
[  235.706592][ T6361]  ? __init_swait_queue_head+0xa8/0x140
[  235.712134][ T6361]  gfs2_sys_fs_add+0x253/0x4b0
[  235.716920][ T6361]  ? gfs2_recover_set+0x250/0x250
[  235.721969][ T6361]  ? apply_workqueue_attrs+0x180/0x180
[  235.727460][ T6361]  gfs2_fill_super+0x1344/0x1f90
[  235.732431][ T6361]  ? gfs2_reconfigure+0xb20/0xb20
[  235.737484][ T6361]  ? setup_bdev_super+0x56b/0x660
[  235.742526][ T6361]  get_tree_bdev+0x3e5/0x520
[  235.747133][ T6361]  ? kfree+0x31/0x1a0
[  235.751135][ T6361]  ? gfs2_reconfigure+0xb20/0xb20
[  235.756177][ T6361]  ? setup_bdev_super+0x660/0x660
[  235.761227][ T6361]  gfs2_get_tree+0x51/0x1e0
[  235.765757][ T6361]  vfs_get_tree+0x8c/0x280
[  235.770195][ T6361]  do_new_mount+0x24a/0xa40
[  235.774720][ T6361]  __se_sys_mount+0x2e7/0x3d0
[  235.779405][ T6361]  ? __x64_sys_mount+0xc0/0xc0
[  235.784151][ T6361]  ? lockdep_hardirqs_on+0x98/0x150
[  235.789335][ T6361]  ? __x64_sys_mount+0x20/0xc0
[  235.794081][ T6361]  do_syscall_64+0x55/0xb0
[  235.798476][ T6361]  ? clear_bhb_loop+0x40/0x90
[  235.803136][ T6361]  ? clear_bhb_loop+0x40/0x90
[  235.807794][ T6361]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  235.813668][ T6361] RIP: 0033:0x7fa06ef9f34a
[  235.818065][ T6361] 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
[  235.837652][ T6361] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.846050][ T6361] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  235.854007][ T6361] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  235.861966][ T6361] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  235.869920][ T6361] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  235.877882][ T6361] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  235.885859][ T6361]  </TASK>
[  235.897262][ T6361] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.911513][ T6361] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.253251][ T6363] loop1: detected capacity change from 0 to 32768
[  236.265132][ T6363] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.272800][ T6363] CPU: 0 PID: 6363 Comm: syz.1.217 Not tainted syzkaller #0
[  236.280104][ T6363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  236.290171][ T6363] Call Trace:
[  236.293461][ T6363]  <TASK>
[  236.296407][ T6363]  dump_stack_lvl+0x18c/0x250
[  236.301112][ T6363]  ? show_regs_print_info+0x20/0x20
[  236.306337][ T6363]  ? load_image+0x420/0x420
[  236.310878][ T6363]  sysfs_create_dir_ns+0x26e/0x2a0
[  236.316011][ T6363]  ? __lock_acquire+0x7d80/0x7d80
[  236.321057][ T6363]  ? sysfs_warn_dup+0xa0/0xa0
[  236.325753][ T6363]  ? do_raw_spin_unlock+0x121/0x230
[  236.330967][ T6363]  kobject_add_internal+0x617/0xc90
[  236.336169][ T6363]  kobject_init_and_add+0x12c/0x1a0
[  236.341363][ T6363]  ? lockdep_softirqs_off+0x440/0x440
[  236.346727][ T6363]  ? kobject_add+0x240/0x240
[  236.351319][ T6363]  ? __init_swait_queue_head+0xa8/0x140
[  236.356859][ T6363]  gfs2_sys_fs_add+0x253/0x4b0
[  236.361621][ T6363]  ? gfs2_recover_set+0x250/0x250
[  236.366640][ T6363]  ? apply_workqueue_attrs+0x180/0x180
[  236.372101][ T6363]  gfs2_fill_super+0x1344/0x1f90
[  236.377041][ T6363]  ? gfs2_reconfigure+0xb20/0xb20
[  236.382070][ T6363]  ? setup_bdev_super+0x56b/0x660
[  236.387088][ T6363]  get_tree_bdev+0x3e5/0x520
[  236.391683][ T6363]  ? kfree+0x31/0x1a0
[  236.395920][ T6363]  ? gfs2_reconfigure+0xb20/0xb20
[  236.400939][ T6363]  ? setup_bdev_super+0x660/0x660
[  236.405959][ T6363]  gfs2_get_tree+0x51/0x1e0
[  236.410462][ T6363]  vfs_get_tree+0x8c/0x280
[  236.414869][ T6363]  do_new_mount+0x24a/0xa40
[  236.419369][ T6363]  __se_sys_mount+0x2e7/0x3d0
[  236.424039][ T6363]  ? __x64_sys_mount+0xc0/0xc0
[  236.428794][ T6363]  ? lockdep_hardirqs_on+0x98/0x150
[  236.433987][ T6363]  ? __x64_sys_mount+0x20/0xc0
[  236.438744][ T6363]  do_syscall_64+0x55/0xb0
[  236.443152][ T6363]  ? clear_bhb_loop+0x40/0x90
[  236.447819][ T6363]  ? clear_bhb_loop+0x40/0x90
[  236.452485][ T6363]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  236.458368][ T6363] RIP: 0033:0x7fa06ef9f34a
[  236.462773][ T6363] 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
[  236.482374][ T6363] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.490780][ T6363] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  236.498744][ T6363] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  236.506705][ T6363] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  236.514667][ T6363] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  236.522625][ T6363] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  236.530596][ T6363]  </TASK>
[  236.543421][ T6363] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.560254][ T6363] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/16 15:56:02 executed programs: 203
[  236.872469][ T6366] loop1: detected capacity change from 0 to 32768
[  236.885465][ T6366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.893072][ T6366] CPU: 1 PID: 6366 Comm: syz.1.218 Not tainted syzkaller #0
[  236.900382][ T6366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  236.910446][ T6366] Call Trace:
[  236.913722][ T6366]  <TASK>
[  236.916647][ T6366]  dump_stack_lvl+0x18c/0x250
[  236.921324][ T6366]  ? show_regs_print_info+0x20/0x20
[  236.926513][ T6366]  ? load_image+0x420/0x420
[  236.931018][ T6366]  sysfs_create_dir_ns+0x26e/0x2a0
[  236.936125][ T6366]  ? __lock_acquire+0x7d80/0x7d80
[  236.941146][ T6366]  ? sysfs_warn_dup+0xa0/0xa0
[  236.945845][ T6366]  ? do_raw_spin_unlock+0x121/0x230
[  236.951042][ T6366]  kobject_add_internal+0x617/0xc90
[  236.956411][ T6366]  kobject_init_and_add+0x12c/0x1a0
[  236.961604][ T6366]  ? lockdep_softirqs_off+0x440/0x440
[  236.966971][ T6366]  ? kobject_add+0x240/0x240
[  236.971563][ T6366]  ? __init_swait_queue_head+0xa8/0x140
[  236.977113][ T6366]  gfs2_sys_fs_add+0x253/0x4b0
[  236.981873][ T6366]  ? gfs2_recover_set+0x250/0x250
[  236.986894][ T6366]  ? apply_workqueue_attrs+0x180/0x180
[  236.992355][ T6366]  gfs2_fill_super+0x1344/0x1f90
[  236.997388][ T6366]  ? gfs2_reconfigure+0xb20/0xb20
[  237.002415][ T6366]  ? setup_bdev_super+0x56b/0x660
[  237.007432][ T6366]  get_tree_bdev+0x3e5/0x520
[  237.012016][ T6366]  ? kfree+0x31/0x1a0
[  237.015991][ T6366]  ? gfs2_reconfigure+0xb20/0xb20
[  237.021009][ T6366]  ? setup_bdev_super+0x660/0x660
[  237.026030][ T6366]  gfs2_get_tree+0x51/0x1e0
[  237.030528][ T6366]  vfs_get_tree+0x8c/0x280
[  237.034938][ T6366]  do_new_mount+0x24a/0xa40
[  237.039436][ T6366]  __se_sys_mount+0x2e7/0x3d0
[  237.044106][ T6366]  ? __x64_sys_mount+0xc0/0xc0
[  237.048862][ T6366]  ? lockdep_hardirqs_on+0x98/0x150
[  237.054053][ T6366]  ? __x64_sys_mount+0x20/0xc0
[  237.058814][ T6366]  do_syscall_64+0x55/0xb0
[  237.063242][ T6366]  ? clear_bhb_loop+0x40/0x90
[  237.067915][ T6366]  ? clear_bhb_loop+0x40/0x90
[  237.072584][ T6366]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  237.078467][ T6366] RIP: 0033:0x7fa06ef9f34a
[  237.082873][ T6366] 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
[  237.102470][ T6366] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.110875][ T6366] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  237.118841][ T6366] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  237.126888][ T6366] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  237.134849][ T6366] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  237.142822][ T6366] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  237.150794][ T6366]  </TASK>
[  237.174683][ T6366] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.192678][ T6366] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.212624][   T29] INFO: task kworker/0:1:9 blocked for more than 143 seconds.
[  237.228419][   T29]       Not tainted syzkaller #0
[  237.235027][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  237.244217][   T29] task:kworker/0:1     state:D stack:24680 pid:9     ppid:2      flags:0x00004000
[  237.253848][   T29] Workqueue: gfs2_recovery gfs2_recover_func
[  237.264528][   T29] Call Trace:
[  237.267842][   T29]  <TASK>
[  237.271160][   T29]  __schedule+0x15ae/0x4660
[  237.275783][   T29]  ? verify_lock_unused+0x140/0x140
[  237.281400][   T29]  ? asan.module_dtor+0x20/0x20
[  237.286355][   T29]  ? mark_lock+0x94/0x320
[  237.291171][   T29]  ? __lock_acquire+0x7d80/0x7d80
[  237.296244][   T29]  ? wq_worker_sleeping+0x63/0x240
[  237.309146][   T29]  schedule+0xbd/0x170
[  237.319144][   T29]  io_schedule+0x80/0xd0
[  237.336601][   T29]  folio_wait_bit_common+0x881/0xfa0
[  237.342686][   T29]  ? folio_wait_bit+0x30/0x30
[  237.351277][   T29]  ? seqcount_lockdep_reader_access+0x191/0x1d0
[  237.357569][   T29]  ? _compound_head+0x120/0x120
[  237.371505][   T29]  ? __filemap_get_folio+0x630/0xbe0
[  237.376850][   T29]  gfs2_jhead_process_page+0x17e/0x750
[  237.384570][   T29]  ? folio_add_lru+0x512/0xce0
[  237.406366][   T29]  ? should_fail_request+0x70/0x70
[  237.414270][   T29]  ? gfs2_end_log_read+0x790/0x790
[  237.421070][   T29]  ? submit_bio_noacct+0xfba/0x1b30
[  237.426350][   T29]  gfs2_find_jhead+0xc84/0xdc0
[  237.432269][   T29]  gfs2_recover_func+0x6cd/0x1c80
[  237.437352][   T29]  ? do_raw_spin_unlock+0x121/0x230
[  237.443664][   T29]  ? __get_log_header+0x500/0x500
[  237.448715][   T29]  ? verify_lock_unused+0x140/0x140
[  237.455078][   T29]  ? lockdep_hardirqs_on_prepare+0x44c/0x7d0
[  237.461169][   T29]  ? _raw_spin_unlock_irq+0x23/0x50
[  237.466398][   T29]  ? process_scheduled_works+0x975/0x1600
[  237.474319][   T29]  ? process_scheduled_works+0x975/0x1600
[  237.480197][   T29]  process_scheduled_works+0xa60/0x1600
[  237.485796][   T29]  ? worker_attach_to_pool+0x370/0x370
[  237.495119][   T29]  ? assign_work+0x3cc/0x5d0
[  237.499794][   T29]  worker_thread+0xa5e/0xfe0
[  237.504421][   T29]  ? _raw_spin_unlock+0x40/0x40
[  237.512887][   T29]  ? __kthread_parkme+0x71/0x1c0
[  237.517872][   T29]  kthread+0x2fa/0x390
[  237.521998][   T29]  ? pr_cont_work+0x550/0x550
[  237.526695][   T29]  ? kthread_blkcg+0xd0/0xd0
[  237.533450][   T29]  ret_from_fork+0x48/0x80
[  237.537897][   T29]  ? kthread_blkcg+0xd0/0xd0
[  237.542546][   T29]  ret_from_fork_asm+0x11/0x20
[  237.547344][   T29]  </TASK>
[  237.552680][   T29] INFO: task syz.0.17:5933 blocked for more than 143 seconds.
[  237.560299][   T29]       Not tainted syzkaller #0
[  237.565245][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  237.577509][   T29] task:syz.0.17        state:D stack:24688 pid:5933  ppid:5887   flags:0x00004006
[  237.586794][   T29] Call Trace:
[  237.590258][   T29]  <TASK>
[  237.593209][   T29]  __schedule+0x15ae/0x4660
[  237.597751][   T29]  ? preempt_schedule+0xc0/0xd0
[  237.606492][   T29]  ? schedule_preempt_disabled+0x20/0x20
[  237.612456][   T29]  ? lockdep_hardirqs_on_prepare+0x44c/0x7d0
[  237.619415][   T29]  ? asan.module_dtor+0x20/0x20
[  237.624305][   T29]  ? preempt_schedule_thunk+0x1a/0x30
[  237.631822][   T29]  ? _raw_spin_unlock_irqrestore+0x111/0x120
[  237.637848][   T29]  ? _raw_spin_unlock+0x40/0x40
[  237.642777][   T29]  schedule+0xbd/0x170
[  237.646869][   T29]  bit_wait+0x11/0xd0
[  237.650983][   T29]  __wait_on_bit+0x9f/0x2c0
[  237.655512][   T29]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  237.664025][   T29]  out_of_line_wait_on_bit+0x13c/0x190
[  237.676816][   T29]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  237.685069][   T29]  ? __wait_on_bit+0x2c0/0x2c0
[  237.689903][   T29]  ? bit_waitqueue+0x30/0x30
[  237.691558][ T6370] loop1: detected capacity change from 0 to 32768
[  237.694495][   T29]  ? do_raw_spin_unlock+0x121/0x230
[  237.708865][ T6370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.717263][   T29]  gfs2_recover_journal+0xda/0x130
[  237.724400][ T6370] CPU: 1 PID: 6370 Comm: syz.1.219 Not tainted syzkaller #0
[  237.731711][ T6370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  237.739187][   T29]  init_journal+0x1838/0x22f0
[  237.741758][ T6370] Call Trace:
[  237.746443][   T29]  ? init_inodes+0xdb/0x320
[  237.749705][ T6370]  <TASK>
[  237.749715][ T6370]  dump_stack_lvl+0x18c/0x250
[  237.749739][ T6370]  ? show_regs_print_info+0x20/0x20
[  237.749758][ T6370]  ? load_image+0x420/0x420
[  237.749792][ T6370]  sysfs_create_dir_ns+0x26e/0x2a0
[  237.749812][ T6370]  ? __lock_acquire+0x7d80/0x7d80
[  237.755489][   T29]  ? _compound_head+0x120/0x120
[  237.757207][ T6370]  ? sysfs_warn_dup+0xa0/0xa0
[  237.762246][   T29]  ? snprintf+0xe9/0x140
[  237.767035][ T6370]  ? do_raw_spin_unlock+0x121/0x230
[  237.772172][   T29]  ? init_inodes+0xdb/0x320
[  237.776777][ T6370]  kobject_add_internal+0x617/0xc90
[  237.782222][   T29]  ? vscnprintf+0x80/0x80
[  237.786613][ T6370]  kobject_init_and_add+0x12c/0x1a0
[  237.791653][   T29]  ? gfs2_glock_nq_num+0x179/0x1b0
[  237.795482][ T6370]  ? lockdep_softirqs_off+0x440/0x440
[  237.800995][   T29]  init_inodes+0xdb/0x320
[  237.805138][ T6370]  ? kobject_add+0x240/0x240
[  237.810705][   T29]  gfs2_fill_super+0x1828/0x1f90
[  237.814619][ T6370]  ? __init_swait_queue_head+0xa8/0x140
[  237.820357][   T29]  ? gfs2_reconfigure+0xb20/0xb20
[  237.824882][ T6370]  gfs2_sys_fs_add+0x253/0x4b0
[  237.830612][   T29]  ? init_locking+0xb8/0x200
[  237.834536][ T6370]  ? gfs2_recover_set+0x250/0x250
[  237.839506][   T29]  ? setup_bdev_super+0x56b/0x660
[  237.844021][ T6370]  ? apply_workqueue_attrs+0x180/0x180
[  237.850038][   T29]  get_tree_bdev+0x3e5/0x520
[  237.854548][ T6370]  gfs2_fill_super+0x1344/0x1f90
[  237.859631][   T29]  ? kfree+0x31/0x1a0
[  237.863852][ T6370]  ? gfs2_reconfigure+0xb20/0xb20
[  237.868839][   T29]  ? gfs2_reconfigure+0xb20/0xb20
[  237.873849][ T6370]  ? setup_bdev_super+0x56b/0x660
[  237.873872][ T6370]  get_tree_bdev+0x3e5/0x520
[  237.873890][ T6370]  ? kfree+0x31/0x1a0
[  237.873912][ T6370]  ? gfs2_reconfigure+0xb20/0xb20
[  237.880103][   T29]  ? setup_bdev_super+0x660/0x660
[  237.883937][ T6370]  ? setup_bdev_super+0x660/0x660
[  237.888871][   T29]  gfs2_get_tree+0x51/0x1e0
[  237.892832][ T6370]  gfs2_get_tree+0x51/0x1e0
[  237.892861][ T6370]  vfs_get_tree+0x8c/0x280
[  237.892882][ T6370]  do_new_mount+0x24a/0xa40
[  237.892907][ T6370]  __se_sys_mount+0x2e7/0x3d0
[  237.892931][ T6370]  ? __x64_sys_mount+0xc0/0xc0
[  237.898468][   T29]  vfs_get_tree+0x8c/0x280
[  237.902928][ T6370]  ? lockdep_hardirqs_on+0x98/0x150
[  237.902952][ T6370]  ? __x64_sys_mount+0x20/0xc0
[  237.902973][ T6370]  do_syscall_64+0x55/0xb0
[  237.909352][   T29]  do_new_mount+0x24a/0xa40
[  237.912554][ T6370]  ? clear_bhb_loop+0x40/0x90
[  237.916547][   T29]  __se_sys_mount+0x2e7/0x3d0
[  237.921536][ T6370]  ? clear_bhb_loop+0x40/0x90
[  237.921560][ T6370]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  237.921578][ T6370] RIP: 0033:0x7fa06ef9f34a
[  237.921596][ T6370] 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
[  237.921611][ T6370] RSP: 002b:00007ffe707f1888 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.921631][ T6370] RAX: ffffffffffffffda RBX: 00007ffe707f1910 RCX: 00007fa06ef9f34a
[  237.921645][ T6370] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffe707f18d0
[  237.921657][ T6370] RBP: 0000200000037f40 R08: 00007ffe707f1910 R09: 0000000000000010
[  237.921670][ T6370] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  237.921681][ T6370] R13: 00007ffe707f18d0 R14: 0000000000037fcc R15: 0000200000000140
[  237.921707][ T6370]  </TASK>
[  237.941108][ T6370] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.953125][   T29]  ? __x64_sys_mount+0xc0/0xc0
[  237.961921][ T6370] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.965171][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  238.109661][   T29]  ? __x64_sys_mount+0x20/0xc0
[  238.114471][   T29]  do_syscall_64+0x55/0xb0
[  238.118912][   T29]  ? clear_bhb_loop+0x40/0x90
[  238.134434][   T29]  ? clear_bhb_loop+0x40/0x90
[  238.149147][   T29]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  238.155126][   T29] RIP: 0033:0x7fdecc59f34a
[  238.176667][   T29] RSP: 002b:00007ffecf7fc128 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.189143][   T29] RAX: ffffffffffffffda RBX: 00007ffecf7fc1b0 RCX: 00007fdecc59f34a
[  238.206540][   T29] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffecf7fc170
[  238.225120][   T29] RBP: 0000200000037f40 R08: 00007ffecf7fc1b0 R09: 0000000000000010
[  238.234183][   T29] R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000037f80
[  238.242459][   T29] R13: 00007ffecf7fc170 R14: 0000000000037fcc R15: 0000200000000140
[  238.252956][   T29]  </TASK>
[  238.256642][   T29] 
[  238.256642][   T29] Showing all locks held in the system:
[  238.266516][   T29] 2 locks held by kworker/0:1/9:
[  238.276644][   T29]  #0: ffff8881432f7138 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_scheduled_works+0x975/0x1600
[  238.291666][   T29]  #1: ffffc900000e7d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_scheduled_works+0x975/0x1600
[  238.303902][   T29] 1 lock held by khungtaskd/29:
[  238.308773][   T29]  #0: ffffffff8d131da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[  238.321320][   T29] 2 locks held by getty/5528:
[  238.326019][   T29]  #0: ffff88814cd660a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  238.336554][   T29]  #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x428/0x1370
[  238.347100][   T29] 1 lock held by syz.0.17/5933:
[  238.352266][   T29]  #0: ffff88802ec980e0 (&type->s_umount_key#56){+.+.}-{3:3}, at: get_tree_bdev+0x345/0x520
[  238.362967][   T29] 2 locks held by syz.1.220/6374:
[  238.368080][   T29] 
[  238.370845][   T29] =============================================
[  238.370845][   T29] 
[  238.381887][   T29] NMI backtrace for cpu 0
[  238.386234][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  238.393447][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  238.403510][   T29] Call Trace:
[  238.406797][   T29]  <TASK>
[  238.409736][   T29]  dump_stack_lvl+0x18c/0x250
[  238.414428][   T29]  ? __wake_up_klogd+0xd9/0x100
[  238.419298][   T29]  ? show_regs_print_info+0x20/0x20
[  238.424513][   T29]  ? load_image+0x420/0x420
[  238.429057][   T29]  nmi_cpu_backtrace+0x3a6/0x3e0
[  238.434016][   T29]  ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[  238.440202][   T29]  ? load_image+0x420/0x420
[  238.444709][   T29]  ? wq_watchdog_touch+0xef/0x170
[  238.449728][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  238.455792][   T29]  nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[  238.461867][   T29]  watchdog+0xf59/0xfa0
[  238.466018][   T29]  ? watchdog+0x1e1/0xfa0
[  238.470348][   T29]  kthread+0x2fa/0x390
[  238.474409][   T29]  ? hungtask_pm_notify+0x50/0x50
[  238.479430][   T29]  ? kthread_blkcg+0xd0/0xd0
[  238.484028][   T29]  ret_from_fork+0x48/0x80
[  238.488442][   T29]  ? kthread_blkcg+0xd0/0xd0
[  238.493027][   T29]  ret_from_fork_asm+0x11/0x20
[  238.497798][   T29]  </TASK>
[  238.501232][   T29] Sending NMI from CPU 0 to CPUs 1:
[  238.506458][    C1] NMI backtrace for cpu 1
[  238.506468][    C1] CPU: 1 PID: 6374 Comm: syz.1.220 Not tainted syzkaller #0
[  238.506484][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  238.506493][    C1] RIP: 0010:__sanitizer_cov_trace_switch+0x6d/0xe0
[  238.506518][    C1] Code: 4c 09 01 48 8b 54 24 20 65 4c 8b 05 0d 41 7c 7e 45 31 c9 eb 08 49 ff c1 4c 39 c8 74 77 4e 8b 54 ce 10 65 44 8b 1d fb 40 7c 7e <41> 81 e3 00 01 ff 00 74 13 41 81 fb 00 01 00 00 75 d9 41 83 b8 24
[  238.506532][    C1] RSP: 0018:ffffc9000b60ef50 EFLAGS: 00000202
[  238.506560][    C1] RAX: 0000000000000003 RBX: ffffffff8fadbad3 RCX: 0000000000000003
[  238.506571][    C1] RDX: ffffffff813bb212 RSI: ffffffff8cfa0610 RDI: 0000000000000002
[  238.506582][    C1] RBP: ffffc9000b60ff58 R08: ffff888022aa9e00 R09: 0000000000000001
[  238.506594][    C1] R10: 0000000000000003 R11: 0000000080000001 R12: ffffffff8fadbad2
[  238.506605][    C1] R13: ffffc9000b60f048 R14: 0000000000000002 R15: dffffc0000000000
[  238.506616][    C1] FS:  0000555574178500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  238.506630][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  238.506642][    C1] CR2: 00007fa0671fe000 CR3: 000000002c976000 CR4: 00000000003506e0
[  238.506656][    C1] Call Trace:
[  238.506661][    C1]  <TASK>
[  238.506668][    C1]  unwind_next_frame+0xe42/0x2990
[  238.506689][    C1]  ? do_syscall_64+0x55/0xb0
[  238.506707][    C1]  ? do_syscall_64+0x55/0xb0
[  238.506722][    C1]  ? stack_trace_save+0x100/0x100
[  238.506741][    C1]  arch_stack_walk+0x144/0x190
[  238.506760][    C1]  ? do_syscall_64+0x55/0xb0
[  238.506778][    C1]  stack_trace_save+0xaa/0x100
[  238.506796][    C1]  ? stack_trace_snprint+0xf0/0xf0
[  238.506813][    C1]  ? mark_lock+0x94/0x320
[  238.506835][    C1]  save_stack+0x125/0x230
[  238.506851][    C1]  ? __reset_page_owner+0x190/0x190
[  238.506865][    C1]  ? seqcount_lockdep_reader_access+0x10a/0x190
[  238.506883][    C1]  ? post_alloc_hook+0x1c1/0x200
[  238.506903][    C1]  ? get_page_from_freelist+0x2181/0x22a0
[  238.506919][    C1]  ? __alloc_pages+0x1f0/0x460
[  238.506933][    C1]  ? __folio_alloc+0x10/0x20
[  238.506946][    C1]  ? vma_alloc_folio+0x474/0x8f0
[  238.506961][    C1]  ? shmem_alloc_folio+0x1a9/0x2a0
[  238.506978][    C1]  ? shmem_alloc_and_acct_folio+0x1cb/0x6c0
[  238.506996][    C1]  ? shmem_get_folio_gfp+0xe1d/0x2b40
[  238.507012][    C1]  ? shmem_write_begin+0xf2/0x430
[  238.507028][    C1]  ? generic_perform_write+0x2fe/0x5c0
[  238.507045][    C1]  ? shmem_file_write_iter+0xfb/0x120
[  238.507062][    C1]  ? vfs_write+0x474/0x9a0
[  238.507080][    C1]  ? ksys_write+0x151/0x260
[  238.507099][    C1]  ? do_syscall_64+0x55/0xb0
[  238.507115][    C1]  ? get_page_from_freelist+0x67b/0x22a0
[  238.507131][    C1]  ? __lock_acquire+0x7d80/0x7d80
[  238.507147][    C1]  ? do_raw_spin_trylock+0xb2/0x190
[  238.507169][    C1]  __set_page_owner+0x1d/0x60
[  238.507184][    C1]  post_alloc_hook+0x1c1/0x200
[  238.507207][    C1]  get_page_from_freelist+0x2181/0x22a0
[  238.507231][    C1]  ? verify_lock_unused+0x140/0x140
[  238.507250][    C1]  ? __next_zones_zonelist+0x9d/0x130
[  238.507278][    C1]  __alloc_pages+0x1f0/0x460
[  238.507294][    C1]  ? zone_statistics+0x170/0x170
[  238.507317][    C1]  __folio_alloc+0x10/0x20
[  238.507330][    C1]  vma_alloc_folio+0x474/0x8f0
[  238.507346][    C1]  ? mpol_shared_policy_lookup+0x14b/0x1e0
[  238.507364][    C1]  shmem_alloc_folio+0x1a9/0x2a0
[  238.507382][    C1]  ? folio_put+0xd0/0xd0
[  238.507406][    C1]  ? __vm_enough_memory+0x11a/0x370
[  238.507428][    C1]  ? shmem_inode_acct_block+0x324/0x460
[  238.507446][    C1]  shmem_alloc_and_acct_folio+0x1cb/0x6c0
[  238.507466][    C1]  ? put_swap_device+0x230/0x230
[  238.507484][    C1]  ? xas_load+0x12b/0x140
[  238.507498][    C1]  ? filemap_get_entry+0xce/0x3f0
[  238.507513][    C1]  ? filemap_get_entry+0xce/0x3f0
[  238.507530][    C1]  ? filemap_get_entry+0x375/0x3f0
[  238.507551][    C1]  ? page_cache_prev_miss+0x390/0x390
[  238.507572][    C1]  ? page_copy_sane+0x4e/0x270
[  238.507594][    C1]  shmem_get_folio_gfp+0xe1d/0x2b40
[  238.507623][    C1]  shmem_write_begin+0xf2/0x430
[  238.507643][    C1]  generic_perform_write+0x2fe/0x5c0
[  238.507667][    C1]  ? generic_file_direct_write+0x3e0/0x3e0
[  238.507688][    C1]  ? file_update_time+0x192/0x1a0
[  238.507708][    C1]  shmem_file_write_iter+0xfb/0x120
[  238.507727][    C1]  vfs_write+0x474/0x9a0
[  238.507749][    C1]  ? file_end_write+0x250/0x250
[  238.507776][    C1]  ? __fdget_pos+0x1d8/0x330
[  238.507797][    C1]  ksys_write+0x151/0x260
[  238.507818][    C1]  ? __ia32_sys_read+0x90/0x90
[  238.507841][    C1]  ? lockdep_hardirqs_on+0x98/0x150
[  238.507862][    C1]  do_syscall_64+0x55/0xb0
[  238.507877][    C1]  ? clear_bhb_loop+0x40/0x90
[  238.507894][    C1]  ? clear_bhb_loop+0x40/0x90
[  238.507911][    C1]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  238.507927][    C1] RIP: 0033:0x7fa06ef5e90e
[  238.507940][    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
[  238.507953][    C1] RSP: 002b:00007ffe707f17d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  238.507968][    C1] RAX: ffffffffffffffda RBX: 0000555574178500 RCX: 00007fa06ef5e90e
[  238.507980][    C1] RDX: 0000000001000000 RSI: 00007fa0661ff000 RDI: 0000000000000003
[  238.507991][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  238.508000][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  238.508010][    C1] R13: 00007ffe707f1910 R14: 00007ffe707f18d0 R15: 00007fa0661ff000
[  238.508028][    C1]  </TASK>
[  238.518949][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  238.518961][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  238.518979][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  238.518989][   T29] Call Trace:
[  238.518996][   T29]  <TASK>
[  238.519003][   T29]  dump_stack_lvl+0x18c/0x250
[  238.519027][   T29]  ? show_regs_print_info+0x20/0x20
[  238.519052][   T29]  ? load_image+0x420/0x420
[  238.519090][   T29]  panic+0x2ca/0x720
[  238.519116][   T29]  ? bpf_jit_dump+0xd0/0xd0
[  238.519138][   T29]  ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  238.519169][   T29]  watchdog+0xf98/0xfa0
[  238.519192][   T29]  ? watchdog+0x1e1/0xfa0
[  238.519218][   T29]  kthread+0x2fa/0x390
[  238.519234][   T29]  ? hungtask_pm_notify+0x50/0x50
[  238.519255][   T29]  ? kthread_blkcg+0xd0/0xd0
[  238.519273][   T29]  ret_from_fork+0x48/0x80
[  238.519293][   T29]  ? kthread_blkcg+0xd0/0xd0
[  238.519310][   T29]  ret_from_fork_asm+0x11/0x20
[  238.519342][   T29]  </TASK>
[  238.520895][   T29] Kernel Offset: disabled
[  239.141495][   T29] Rebooting in 86400 seconds..