x11ed/0x1ea0
[  238.298438][ T5405]  ? gfs2_reconfigure+0xd80/0xd80
[  238.303477][ T5405]  ? sb_set_blocksize+0xa5/0xe0
[  238.308357][ T5405]  get_tree_bdev+0x3e6/0x610
[  238.312985][ T5405]  ? gfs2_reconfigure+0xd80/0xd80
[  238.318092][ T5405]  gfs2_get_tree+0x4d/0x1e0
[  238.322606][ T5405]  vfs_get_tree+0x88/0x270
[  238.327017][ T5405]  do_new_mount+0x247/0xa50
[  238.331518][ T5405]  __se_sys_mount+0x2e3/0x3d0
[  238.336212][ T5405]  ? __x64_sys_mount+0xc0/0xc0
[  238.340970][ T5405]  ? lockdep_hardirqs_on+0x94/0x140
[  238.346160][ T5405]  ? __x64_sys_mount+0x1c/0xc0
[  238.350924][ T5405]  do_syscall_64+0x4c/0xa0
[  238.355346][ T5405]  ? clear_bhb_loop+0x30/0x80
[  238.360130][ T5405]  ? clear_bhb_loop+0x30/0x80
[  238.364809][ T5405]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.370699][ T5405] RIP: 0033:0x7ff37f9770ca
[  238.375125][ T5405] 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
[  238.394726][ T5405] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.403146][ T5405] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  238.411139][ T5405] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  238.419116][ T5405] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  238.427105][ T5405] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  238.435068][ T5405] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  238.443042][ T5405]  </TASK>
[  238.447506][ T5405] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.460664][ T5405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.819569][ T5407] loop1: detected capacity change from 0 to 32768
[  238.872035][ T5407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.879675][ T5407] CPU: 1 PID: 5407 Comm: syz.1.176 Not tainted syzkaller #0
[  238.886993][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  238.897072][ T5407] Call Trace:
[  238.900459][ T5407]  <TASK>
[  238.903501][ T5407]  dump_stack_lvl+0x188/0x250
[  238.908210][ T5407]  ? show_regs_print_info+0x20/0x20
[  238.913438][ T5407]  ? load_image+0x410/0x410
[  238.918004][ T5407]  sysfs_create_dir_ns+0x26a/0x290
[  238.923149][ T5407]  ? sysfs_warn_dup+0xa0/0xa0
[  238.927937][ T5407]  ? do_raw_spin_unlock+0x11d/0x230
[  238.933173][ T5407]  kobject_add_internal+0x5ba/0xcd0
[  238.938402][ T5407]  kobject_init_and_add+0x128/0x190
[  238.943625][ T5407]  ? lockdep_softirqs_off+0x430/0x430
[  238.949039][ T5407]  ? kobject_add+0x230/0x230
[  238.953753][ T5407]  ? __init_swait_queue_head+0xa4/0x140
[  238.959325][ T5407]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.964105][ T5407]  ? gfs2_recover_set+0x240/0x240
[  238.969119][ T5407]  ? snprintf+0xe5/0x140
[  238.973349][ T5407]  ? __free_pages+0x95/0x1a0
[  238.978031][ T5407]  ? vscnprintf+0x80/0x80
[  238.982358][ T5407]  gfs2_fill_super+0x11ed/0x1ea0
[  238.987301][ T5407]  ? gfs2_reconfigure+0xd80/0xd80
[  238.992329][ T5407]  ? sb_set_blocksize+0xa5/0xe0
[  238.997182][ T5407]  get_tree_bdev+0x3e6/0x610
[  239.001776][ T5407]  ? gfs2_reconfigure+0xd80/0xd80
[  239.006791][ T5407]  gfs2_get_tree+0x4d/0x1e0
[  239.011284][ T5407]  vfs_get_tree+0x88/0x270
[  239.015693][ T5407]  do_new_mount+0x247/0xa50
[  239.020189][ T5407]  __se_sys_mount+0x2e3/0x3d0
[  239.024870][ T5407]  ? __x64_sys_mount+0xc0/0xc0
[  239.029712][ T5407]  ? lockdep_hardirqs_on+0x94/0x140
[  239.034896][ T5407]  ? __x64_sys_mount+0x1c/0xc0
[  239.039649][ T5407]  do_syscall_64+0x4c/0xa0
[  239.044055][ T5407]  ? clear_bhb_loop+0x30/0x80
[  239.048719][ T5407]  ? clear_bhb_loop+0x30/0x80
[  239.053400][ T5407]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.059281][ T5407] RIP: 0033:0x7ff37f9770ca
[  239.063700][ T5407] 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
[  239.083422][ T5407] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.091928][ T5407] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  239.099906][ T5407] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  239.107874][ T5407] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  239.115834][ T5407] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  239.123791][ T5407] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  239.131774][ T5407]  </TASK>
[  239.136788][ T5407] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.150344][ T5407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.530000][ T5409] loop1: detected capacity change from 0 to 32768
[  239.578494][ T5409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.585927][ T5409] CPU: 0 PID: 5409 Comm: syz.1.177 Not tainted syzkaller #0
[  239.593252][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  239.603423][ T5409] Call Trace:
[  239.606726][ T5409]  <TASK>
[  239.609677][ T5409]  dump_stack_lvl+0x188/0x250
[  239.614383][ T5409]  ? show_regs_print_info+0x20/0x20
[  239.619608][ T5409]  ? load_image+0x410/0x410
[  239.624155][ T5409]  sysfs_create_dir_ns+0x26a/0x290
[  239.629298][ T5409]  ? sysfs_warn_dup+0xa0/0xa0
[  239.634182][ T5409]  ? do_raw_spin_unlock+0x11d/0x230
[  239.639407][ T5409]  kobject_add_internal+0x5ba/0xcd0
[  239.644816][ T5409]  kobject_init_and_add+0x128/0x190
[  239.650126][ T5409]  ? lockdep_softirqs_off+0x430/0x430
[  239.655526][ T5409]  ? kobject_add+0x230/0x230
[  239.660165][ T5409]  ? __init_swait_queue_head+0xa4/0x140
[  239.665734][ T5409]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.670503][ T5409]  ? gfs2_recover_set+0x240/0x240
[  239.675516][ T5409]  ? snprintf+0xe5/0x140
[  239.679752][ T5409]  ? __free_pages+0x95/0x1a0
[  239.684344][ T5409]  ? vscnprintf+0x80/0x80
[  239.688669][ T5409]  gfs2_fill_super+0x11ed/0x1ea0
[  239.693605][ T5409]  ? gfs2_reconfigure+0xd80/0xd80
[  239.698645][ T5409]  ? sb_set_blocksize+0xa5/0xe0
[  239.703518][ T5409]  get_tree_bdev+0x3e6/0x610
[  239.708102][ T5409]  ? gfs2_reconfigure+0xd80/0xd80
[  239.713463][ T5409]  gfs2_get_tree+0x4d/0x1e0
[  239.717971][ T5409]  vfs_get_tree+0x88/0x270
[  239.722419][ T5409]  do_new_mount+0x247/0xa50
[  239.726938][ T5409]  __se_sys_mount+0x2e3/0x3d0
[  239.731632][ T5409]  ? __x64_sys_mount+0xc0/0xc0
[  239.736393][ T5409]  ? lockdep_hardirqs_on+0x94/0x140
[  239.741585][ T5409]  ? __x64_sys_mount+0x1c/0xc0
[  239.746344][ T5409]  do_syscall_64+0x4c/0xa0
[  239.750753][ T5409]  ? clear_bhb_loop+0x30/0x80
[  239.755421][ T5409]  ? clear_bhb_loop+0x30/0x80
[  239.760088][ T5409]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.765983][ T5409] RIP: 0033:0x7ff37f9770ca
[  239.770405][ T5409] 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
[  239.790002][ T5409] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.798415][ T5409] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  239.806500][ T5409] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  239.814478][ T5409] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  239.822438][ T5409] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  239.830402][ T5409] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  239.838488][ T5409]  </TASK>
[  239.842859][ T5409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.856111][ T5409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.206790][ T5411] loop1: detected capacity change from 0 to 32768
[  240.255644][ T5411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.271923][ T5411] CPU: 1 PID: 5411 Comm: syz.1.178 Not tainted syzkaller #0
[  240.279257][ T5411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  240.289341][ T5411] Call Trace:
[  240.292700][ T5411]  <TASK>
[  240.295660][ T5411]  dump_stack_lvl+0x188/0x250
[  240.300368][ T5411]  ? show_regs_print_info+0x20/0x20
[  240.305600][ T5411]  ? load_image+0x410/0x410
[  240.310152][ T5411]  sysfs_create_dir_ns+0x26a/0x290
[  240.315388][ T5411]  ? sysfs_warn_dup+0xa0/0xa0
[  240.320094][ T5411]  ? do_raw_spin_unlock+0x11d/0x230
[  240.325418][ T5411]  kobject_add_internal+0x5ba/0xcd0
[  240.330783][ T5411]  kobject_init_and_add+0x128/0x190
[  240.336018][ T5411]  ? lockdep_softirqs_off+0x430/0x430
[  240.341421][ T5411]  ? kobject_add+0x230/0x230
[  240.346044][ T5411]  ? __init_swait_queue_head+0xa4/0x140
[  240.351615][ T5411]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.356375][ T5411]  ? gfs2_recover_set+0x240/0x240
[  240.361390][ T5411]  ? snprintf+0xe5/0x140
[  240.365625][ T5411]  ? __free_pages+0x95/0x1a0
[  240.370209][ T5411]  ? vscnprintf+0x80/0x80
[  240.374542][ T5411]  gfs2_fill_super+0x11ed/0x1ea0
[  240.379494][ T5411]  ? gfs2_reconfigure+0xd80/0xd80
[  240.384552][ T5411]  ? sb_set_blocksize+0xa5/0xe0
[  240.389405][ T5411]  get_tree_bdev+0x3e6/0x610
[  240.393991][ T5411]  ? gfs2_reconfigure+0xd80/0xd80
[  240.399006][ T5411]  gfs2_get_tree+0x4d/0x1e0
[  240.403501][ T5411]  vfs_get_tree+0x88/0x270
[  240.407914][ T5411]  do_new_mount+0x247/0xa50
[  240.412412][ T5411]  __se_sys_mount+0x2e3/0x3d0
[  240.417088][ T5411]  ? __x64_sys_mount+0xc0/0xc0
[  240.421851][ T5411]  ? lockdep_hardirqs_on+0x94/0x140
[  240.427125][ T5411]  ? __x64_sys_mount+0x1c/0xc0
[  240.431881][ T5411]  do_syscall_64+0x4c/0xa0
[  240.436306][ T5411]  ? clear_bhb_loop+0x30/0x80
[  240.441059][ T5411]  ? clear_bhb_loop+0x30/0x80
[  240.445723][ T5411]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.451606][ T5411] RIP: 0033:0x7ff37f9770ca
[  240.456012][ T5411] 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
[  240.475605][ T5411] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.484011][ T5411] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  240.491979][ T5411] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  240.499941][ T5411] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  240.507898][ T5411] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  240.515856][ T5411] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  240.523827][ T5411]  </TASK>
[  240.528285][ T5411] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.541814][ T5411] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.902052][ T5413] loop1: detected capacity change from 0 to 32768
[  240.948670][ T5413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.956177][ T5413] CPU: 0 PID: 5413 Comm: syz.1.179 Not tainted syzkaller #0
[  240.963487][ T5413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  240.973566][ T5413] Call Trace:
[  240.976872][ T5413]  <TASK>
[  240.979823][ T5413]  dump_stack_lvl+0x188/0x250
[  240.984544][ T5413]  ? show_regs_print_info+0x20/0x20
[  240.989771][ T5413]  ? load_image+0x410/0x410
[  240.994314][ T5413]  sysfs_create_dir_ns+0x26a/0x290
[  240.999454][ T5413]  ? sysfs_warn_dup+0xa0/0xa0
[  241.004156][ T5413]  ? do_raw_spin_unlock+0x11d/0x230
[  241.009388][ T5413]  kobject_add_internal+0x5ba/0xcd0
[  241.014615][ T5413]  kobject_init_and_add+0x128/0x190
[  241.019833][ T5413]  ? lockdep_softirqs_off+0x430/0x430
[  241.025234][ T5413]  ? kobject_add+0x230/0x230
[  241.029849][ T5413]  ? __init_swait_queue_head+0xa4/0x140
[  241.035417][ T5413]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.040182][ T5413]  ? gfs2_recover_set+0x240/0x240
[  241.045199][ T5413]  ? snprintf+0xe5/0x140
[  241.049432][ T5413]  ? __free_pages+0x95/0x1a0
[  241.054016][ T5413]  ? vscnprintf+0x80/0x80
[  241.058357][ T5413]  gfs2_fill_super+0x11ed/0x1ea0
[  241.063315][ T5413]  ? gfs2_reconfigure+0xd80/0xd80
[  241.068371][ T5413]  ? sb_set_blocksize+0xa5/0xe0
[  241.073213][ T5413]  get_tree_bdev+0x3e6/0x610
[  241.077806][ T5413]  ? gfs2_reconfigure+0xd80/0xd80
[  241.082859][ T5413]  gfs2_get_tree+0x4d/0x1e0
[  241.087367][ T5413]  vfs_get_tree+0x88/0x270
[  241.091776][ T5413]  do_new_mount+0x247/0xa50
[  241.096280][ T5413]  __se_sys_mount+0x2e3/0x3d0
[  241.100959][ T5413]  ? __x64_sys_mount+0xc0/0xc0
[  241.105713][ T5413]  ? lockdep_hardirqs_on+0x94/0x140
[  241.110917][ T5413]  ? __x64_sys_mount+0x1c/0xc0
[  241.115690][ T5413]  do_syscall_64+0x4c/0xa0
[  241.120109][ T5413]  ? clear_bhb_loop+0x30/0x80
[  241.124789][ T5413]  ? clear_bhb_loop+0x30/0x80
[  241.129453][ T5413]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.135424][ T5413] RIP: 0033:0x7ff37f9770ca
[  241.139839][ T5413] 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
[  241.159452][ T5413] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.168056][ T5413] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  241.176043][ T5413] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  241.184006][ T5413] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  241.191990][ T5413] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  241.199958][ T5413] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  241.207946][ T5413]  </TASK>
[  241.212068][ T5413] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.225232][ T5413] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.580533][ T5415] loop1: detected capacity change from 0 to 32768
[  241.634500][ T5415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.642058][ T5415] CPU: 1 PID: 5415 Comm: syz.1.180 Not tainted syzkaller #0
[  241.649378][ T5415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  241.659469][ T5415] Call Trace:
[  241.662769][ T5415]  <TASK>
[  241.665718][ T5415]  dump_stack_lvl+0x188/0x250
[  241.670430][ T5415]  ? show_regs_print_info+0x20/0x20
[  241.675654][ T5415]  ? load_image+0x410/0x410
[  241.680205][ T5415]  sysfs_create_dir_ns+0x26a/0x290
[  241.685345][ T5415]  ? sysfs_warn_dup+0xa0/0xa0
[  241.690053][ T5415]  ? do_raw_spin_unlock+0x11d/0x230
[  241.695280][ T5415]  kobject_add_internal+0x5ba/0xcd0
[  241.700508][ T5415]  kobject_init_and_add+0x128/0x190
[  241.705730][ T5415]  ? lockdep_softirqs_off+0x430/0x430
[  241.711140][ T5415]  ? kobject_add+0x230/0x230
[  241.715747][ T5415]  ? __init_swait_queue_head+0xa4/0x140
[  241.721291][ T5415]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.726048][ T5415]  ? gfs2_recover_set+0x240/0x240
[  241.731058][ T5415]  ? snprintf+0xe5/0x140
[  241.735302][ T5415]  ? __free_pages+0x95/0x1a0
[  241.739914][ T5415]  ? vscnprintf+0x80/0x80
[  241.744265][ T5415]  gfs2_fill_super+0x11ed/0x1ea0
[  241.749233][ T5415]  ? gfs2_reconfigure+0xd80/0xd80
[  241.754266][ T5415]  ? sb_set_blocksize+0xa5/0xe0
[  241.759110][ T5415]  get_tree_bdev+0x3e6/0x610
[  241.763785][ T5415]  ? gfs2_reconfigure+0xd80/0xd80
[  241.768803][ T5415]  gfs2_get_tree+0x4d/0x1e0
[  241.773300][ T5415]  vfs_get_tree+0x88/0x270
[  241.777712][ T5415]  do_new_mount+0x247/0xa50
[  241.782213][ T5415]  __se_sys_mount+0x2e3/0x3d0
[  241.786885][ T5415]  ? __x64_sys_mount+0xc0/0xc0
[  241.791642][ T5415]  ? lockdep_hardirqs_on+0x94/0x140
[  241.796831][ T5415]  ? __x64_sys_mount+0x1c/0xc0
[  241.801600][ T5415]  do_syscall_64+0x4c/0xa0
[  241.806008][ T5415]  ? clear_bhb_loop+0x30/0x80
[  241.810761][ T5415]  ? clear_bhb_loop+0x30/0x80
[  241.815432][ T5415]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.821313][ T5415] RIP: 0033:0x7ff37f9770ca
[  241.825731][ T5415] 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
[  241.845328][ T5415] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.853734][ T5415] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  241.861705][ T5415] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  241.869669][ T5415] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  241.877720][ T5415] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  241.885690][ T5415] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  241.893762][ T5415]  </TASK>
[  241.898756][ T5415] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.912010][ T5415] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.280861][ T5417] loop1: detected capacity change from 0 to 32768
[  242.294667][ T5417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.302277][ T5417] CPU: 1 PID: 5417 Comm: syz.1.181 Not tainted syzkaller #0
[  242.309590][ T5417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  242.319672][ T5417] Call Trace:
[  242.322980][ T5417]  <TASK>
[  242.325938][ T5417]  dump_stack_lvl+0x188/0x250
[  242.330648][ T5417]  ? show_regs_print_info+0x20/0x20
[  242.335875][ T5417]  ? load_image+0x410/0x410
[  242.340411][ T5417]  sysfs_create_dir_ns+0x26a/0x290
[  242.345521][ T5417]  ? sysfs_warn_dup+0xa0/0xa0
[  242.350196][ T5417]  ? do_raw_spin_unlock+0x11d/0x230
[  242.355472][ T5417]  kobject_add_internal+0x5ba/0xcd0
[  242.360664][ T5417]  kobject_init_and_add+0x128/0x190
[  242.365848][ T5417]  ? lockdep_softirqs_off+0x430/0x430
[  242.371212][ T5417]  ? kobject_add+0x230/0x230
[  242.375800][ T5417]  ? __init_swait_queue_head+0xa4/0x140
[  242.381338][ T5417]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.386101][ T5417]  ? gfs2_recover_set+0x240/0x240
[  242.391124][ T5417]  ? snprintf+0xe5/0x140
[  242.395373][ T5417]  ? __free_pages+0x95/0x1a0
[  242.399964][ T5417]  ? vscnprintf+0x80/0x80
[  242.404299][ T5417]  gfs2_fill_super+0x11ed/0x1ea0
[  242.409251][ T5417]  ? gfs2_reconfigure+0xd80/0xd80
[  242.414289][ T5417]  ? sb_set_blocksize+0xa5/0xe0
[  242.419138][ T5417]  get_tree_bdev+0x3e6/0x610
[  242.423814][ T5417]  ? gfs2_reconfigure+0xd80/0xd80
[  242.428919][ T5417]  gfs2_get_tree+0x4d/0x1e0
[  242.433419][ T5417]  vfs_get_tree+0x88/0x270
[  242.437847][ T5417]  do_new_mount+0x247/0xa50
[  242.442388][ T5417]  __se_sys_mount+0x2e3/0x3d0
[  242.447076][ T5417]  ? __x64_sys_mount+0xc0/0xc0
[  242.451841][ T5417]  ? lockdep_hardirqs_on+0x94/0x140
[  242.457053][ T5417]  ? __x64_sys_mount+0x1c/0xc0
[  242.461814][ T5417]  do_syscall_64+0x4c/0xa0
[  242.466224][ T5417]  ? clear_bhb_loop+0x30/0x80
[  242.470899][ T5417]  ? clear_bhb_loop+0x30/0x80
[  242.475568][ T5417]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.481468][ T5417] RIP: 0033:0x7ff37f9770ca
[  242.485884][ T5417] 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
[  242.505492][ T5417] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.513897][ T5417] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  242.521885][ T5417] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  242.529937][ T5417] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  242.537917][ T5417] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  242.545881][ T5417] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  242.553852][ T5417]  </TASK>
[  242.558298][ T5417] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.571543][ T5417] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.927284][ T5419] loop1: detected capacity change from 0 to 32768
[  243.020129][ T5419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.028290][ T5419] CPU: 0 PID: 5419 Comm: syz.1.182 Not tainted syzkaller #0
[  243.035613][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  243.045687][ T5419] Call Trace:
[  243.048989][ T5419]  <TASK>
[  243.051941][ T5419]  dump_stack_lvl+0x188/0x250
[  243.056653][ T5419]  ? show_regs_print_info+0x20/0x20
[  243.061879][ T5419]  ? load_image+0x410/0x410
[  243.066419][ T5419]  sysfs_create_dir_ns+0x26a/0x290
[  243.071570][ T5419]  ? sysfs_warn_dup+0xa0/0xa0
[  243.076278][ T5419]  ? do_raw_spin_unlock+0x11d/0x230
[  243.081502][ T5419]  kobject_add_internal+0x5ba/0xcd0
[  243.086725][ T5419]  kobject_init_and_add+0x128/0x190
[  243.091924][ T5419]  ? lockdep_softirqs_off+0x430/0x430
[  243.097292][ T5419]  ? kobject_add+0x230/0x230
[  243.101874][ T5419]  ? __init_swait_queue_head+0xa4/0x140
[  243.107413][ T5419]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.112183][ T5419]  ? gfs2_recover_set+0x240/0x240
[  243.117196][ T5419]  ? snprintf+0xe5/0x140
[  243.121431][ T5419]  ? __free_pages+0x95/0x1a0
[  243.126013][ T5419]  ? vscnprintf+0x80/0x80
[  243.130373][ T5419]  gfs2_fill_super+0x11ed/0x1ea0
[  243.135419][ T5419]  ? gfs2_reconfigure+0xd80/0xd80
[  243.140456][ T5419]  ? sb_set_blocksize+0xa5/0xe0
[  243.145301][ T5419]  get_tree_bdev+0x3e6/0x610
[  243.149890][ T5419]  ? gfs2_reconfigure+0xd80/0xd80
[  243.154904][ T5419]  gfs2_get_tree+0x4d/0x1e0
[  243.159421][ T5419]  vfs_get_tree+0x88/0x270
[  243.163844][ T5419]  do_new_mount+0x247/0xa50
[  243.168341][ T5419]  __se_sys_mount+0x2e3/0x3d0
[  243.173030][ T5419]  ? __x64_sys_mount+0xc0/0xc0
[  243.177797][ T5419]  ? lockdep_hardirqs_on+0x94/0x140
[  243.182997][ T5419]  ? __x64_sys_mount+0x1c/0xc0
[  243.187861][ T5419]  do_syscall_64+0x4c/0xa0
[  243.192279][ T5419]  ? clear_bhb_loop+0x30/0x80
[  243.196945][ T5419]  ? clear_bhb_loop+0x30/0x80
[  243.201626][ T5419]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.207511][ T5419] RIP: 0033:0x7ff37f9770ca
[  243.211915][ T5419] 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
[  243.231510][ T5419] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.239929][ T5419] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  243.247906][ T5419] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  243.255867][ T5419] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  243.263872][ T5419] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  243.271923][ T5419] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  243.279910][ T5419]  </TASK>
[  243.284253][ T5419] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.297550][ T5419] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/11/08 10:16:45 executed programs: 168
[  243.648219][ T5421] loop1: detected capacity change from 0 to 32768
[  243.707560][ T5421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.714986][ T5421] CPU: 1 PID: 5421 Comm: syz.1.183 Not tainted syzkaller #0
[  243.722383][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  243.732464][ T5421] Call Trace:
[  243.735762][ T5421]  <TASK>
[  243.738712][ T5421]  dump_stack_lvl+0x188/0x250
[  243.743517][ T5421]  ? show_regs_print_info+0x20/0x20
[  243.748746][ T5421]  ? load_image+0x410/0x410
[  243.753295][ T5421]  sysfs_create_dir_ns+0x26a/0x290
[  243.758435][ T5421]  ? sysfs_warn_dup+0xa0/0xa0
[  243.763151][ T5421]  ? do_raw_spin_unlock+0x11d/0x230
[  243.768385][ T5421]  kobject_add_internal+0x5ba/0xcd0
[  243.773622][ T5421]  kobject_init_and_add+0x128/0x190
[  243.778840][ T5421]  ? lockdep_softirqs_off+0x430/0x430
[  243.784235][ T5421]  ? kobject_add+0x230/0x230
[  243.788833][ T5421]  ? __init_swait_queue_head+0xa4/0x140
[  243.794387][ T5421]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.799255][ T5421]  ? gfs2_recover_set+0x240/0x240
[  243.804274][ T5421]  ? snprintf+0xe5/0x140
[  243.808519][ T5421]  ? __free_pages+0x95/0x1a0
[  243.813125][ T5421]  ? vscnprintf+0x80/0x80
[  243.817973][ T5421]  gfs2_fill_super+0x11ed/0x1ea0
[  243.822960][ T5421]  ? gfs2_reconfigure+0xd80/0xd80
[  243.828025][ T5421]  ? sb_set_blocksize+0xa5/0xe0
[  243.832906][ T5421]  get_tree_bdev+0x3e6/0x610
[  243.837519][ T5421]  ? gfs2_reconfigure+0xd80/0xd80
[  243.842571][ T5421]  gfs2_get_tree+0x4d/0x1e0
[  243.847081][ T5421]  vfs_get_tree+0x88/0x270
[  243.851506][ T5421]  do_new_mount+0x247/0xa50
[  243.856005][ T5421]  __se_sys_mount+0x2e3/0x3d0
[  243.860685][ T5421]  ? __x64_sys_mount+0xc0/0xc0
[  243.865445][ T5421]  ? lockdep_hardirqs_on+0x94/0x140
[  243.870751][ T5421]  ? __x64_sys_mount+0x1c/0xc0
[  243.875508][ T5421]  do_syscall_64+0x4c/0xa0
[  243.879923][ T5421]  ? clear_bhb_loop+0x30/0x80
[  243.884592][ T5421]  ? clear_bhb_loop+0x30/0x80
[  243.889258][ T5421]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.895139][ T5421] RIP: 0033:0x7ff37f9770ca
[  243.899721][ T5421] 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
[  243.919316][ T5421] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.927730][ T5421] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  243.935736][ T5421] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  243.943716][ T5421] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  243.951698][ T5421] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  243.959661][ T5421] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  243.967647][ T5421]  </TASK>
[  243.972292][ T5421] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.985674][ T5421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.367060][ T5423] loop1: detected capacity change from 0 to 32768
[  244.413259][ T5423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.425926][ T5423] CPU: 1 PID: 5423 Comm: syz.1.184 Not tainted syzkaller #0
[  244.433249][ T5423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  244.443510][ T5423] Call Trace:
[  244.446842][ T5423]  <TASK>
[  244.449798][ T5423]  dump_stack_lvl+0x188/0x250
[  244.454513][ T5423]  ? show_regs_print_info+0x20/0x20
[  244.459741][ T5423]  ? load_image+0x410/0x410
[  244.464302][ T5423]  sysfs_create_dir_ns+0x26a/0x290
[  244.469442][ T5423]  ? sysfs_warn_dup+0xa0/0xa0
[  244.474145][ T5423]  ? do_raw_spin_unlock+0x11d/0x230
[  244.479377][ T5423]  kobject_add_internal+0x5ba/0xcd0
[  244.484617][ T5423]  kobject_init_and_add+0x128/0x190
[  244.489840][ T5423]  ? lockdep_softirqs_off+0x430/0x430
[  244.495245][ T5423]  ? kobject_add+0x230/0x230
[  244.499872][ T5423]  ? __init_swait_queue_head+0xa4/0x140
[  244.505447][ T5423]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.510239][ T5423]  ? gfs2_recover_set+0x240/0x240
[  244.515377][ T5423]  ? snprintf+0xe5/0x140
[  244.519689][ T5423]  ? __free_pages+0x95/0x1a0
[  244.524320][ T5423]  ? vscnprintf+0x80/0x80
[  244.528672][ T5423]  gfs2_fill_super+0x11ed/0x1ea0
[  244.533808][ T5423]  ? gfs2_reconfigure+0xd80/0xd80
[  244.538844][ T5423]  ? sb_set_blocksize+0xa5/0xe0
[  244.543688][ T5423]  get_tree_bdev+0x3e6/0x610
[  244.548276][ T5423]  ? gfs2_reconfigure+0xd80/0xd80
[  244.553312][ T5423]  gfs2_get_tree+0x4d/0x1e0
[  244.557808][ T5423]  vfs_get_tree+0x88/0x270
[  244.562217][ T5423]  do_new_mount+0x247/0xa50
[  244.566714][ T5423]  __se_sys_mount+0x2e3/0x3d0
[  244.571384][ T5423]  ? __x64_sys_mount+0xc0/0xc0
[  244.576165][ T5423]  ? lockdep_hardirqs_on+0x94/0x140
[  244.581372][ T5423]  ? __x64_sys_mount+0x1c/0xc0
[  244.586127][ T5423]  do_syscall_64+0x4c/0xa0
[  244.590548][ T5423]  ? clear_bhb_loop+0x30/0x80
[  244.595228][ T5423]  ? clear_bhb_loop+0x30/0x80
[  244.600014][ T5423]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.605920][ T5423] RIP: 0033:0x7ff37f9770ca
[  244.610338][ T5423] 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
[  244.629940][ T5423] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.638350][ T5423] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  244.646324][ T5423] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  244.654283][ T5423] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  244.662260][ T5423] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  244.670222][ T5423] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  244.678195][ T5423]  </TASK>
[  244.682641][ T5423] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.695861][ T5423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.054999][ T5425] loop1: detected capacity change from 0 to 32768
[  245.066813][ T5425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.074368][ T5425] CPU: 0 PID: 5425 Comm: syz.1.185 Not tainted syzkaller #0
[  245.081681][ T5425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  245.091771][ T5425] Call Trace:
[  245.095334][ T5425]  <TASK>
[  245.098291][ T5425]  dump_stack_lvl+0x188/0x250
[  245.103001][ T5425]  ? show_regs_print_info+0x20/0x20
[  245.108226][ T5425]  ? load_image+0x410/0x410
[  245.112772][ T5425]  sysfs_create_dir_ns+0x26a/0x290
[  245.117884][ T5425]  ? sysfs_warn_dup+0xa0/0xa0
[  245.122561][ T5425]  ? do_raw_spin_unlock+0x11d/0x230
[  245.127773][ T5425]  kobject_add_internal+0x5ba/0xcd0
[  245.133099][ T5425]  kobject_init_and_add+0x128/0x190
[  245.138314][ T5425]  ? lockdep_softirqs_off+0x430/0x430
[  245.143740][ T5425]  ? kobject_add+0x230/0x230
[  245.148327][ T5425]  ? __init_swait_queue_head+0xa4/0x140
[  245.153867][ T5425]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.158642][ T5425]  ? gfs2_recover_set+0x240/0x240
[  245.163656][ T5425]  ? snprintf+0xe5/0x140
[  245.167972][ T5425]  ? __free_pages+0x95/0x1a0
[  245.172563][ T5425]  ? vscnprintf+0x80/0x80
[  245.176902][ T5425]  gfs2_fill_super+0x11ed/0x1ea0
[  245.181837][ T5425]  ? gfs2_reconfigure+0xd80/0xd80
[  245.186878][ T5425]  ? sb_set_blocksize+0xa5/0xe0
[  245.191733][ T5425]  get_tree_bdev+0x3e6/0x610
[  245.196317][ T5425]  ? gfs2_reconfigure+0xd80/0xd80
[  245.201463][ T5425]  gfs2_get_tree+0x4d/0x1e0
[  245.205978][ T5425]  vfs_get_tree+0x88/0x270
[  245.210387][ T5425]  do_new_mount+0x247/0xa50
[  245.214898][ T5425]  __se_sys_mount+0x2e3/0x3d0
[  245.219585][ T5425]  ? __x64_sys_mount+0xc0/0xc0
[  245.224346][ T5425]  ? lockdep_hardirqs_on+0x94/0x140
[  245.229532][ T5425]  ? __x64_sys_mount+0x1c/0xc0
[  245.234286][ T5425]  do_syscall_64+0x4c/0xa0
[  245.238696][ T5425]  ? clear_bhb_loop+0x30/0x80
[  245.243372][ T5425]  ? clear_bhb_loop+0x30/0x80
[  245.248037][ T5425]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.253925][ T5425] RIP: 0033:0x7ff37f9770ca
[  245.258444][ T5425] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.278148][ T5425] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.286590][ T5425] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  245.294573][ T5425] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  245.302799][ T5425] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  245.310788][ T5425] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  245.318791][ T5425] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  245.326789][ T5425]  </TASK>
[  245.330957][ T5425] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.344116][ T5425] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.705182][ T5427] loop1: detected capacity change from 0 to 32768
[  245.789452][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.805184][ T5427] CPU: 0 PID: 5427 Comm: syz.1.186 Not tainted syzkaller #0
[  245.812520][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  245.822599][ T5427] Call Trace:
[  245.825902][ T5427]  <TASK>
[  245.828873][ T5427]  dump_stack_lvl+0x188/0x250
[  245.833582][ T5427]  ? show_regs_print_info+0x20/0x20
[  245.838815][ T5427]  ? load_image+0x410/0x410
[  245.843356][ T5427]  sysfs_create_dir_ns+0x26a/0x290
[  245.848497][ T5427]  ? sysfs_warn_dup+0xa0/0xa0
[  245.853170][ T5427]  ? do_raw_spin_unlock+0x11d/0x230
[  245.858371][ T5427]  kobject_add_internal+0x5ba/0xcd0
[  245.863591][ T5427]  kobject_init_and_add+0x128/0x190
[  245.868776][ T5427]  ? lockdep_softirqs_off+0x430/0x430
[  245.874140][ T5427]  ? kobject_add+0x230/0x230
[  245.878732][ T5427]  ? __init_swait_queue_head+0xa4/0x140
[  245.884287][ T5427]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.889065][ T5427]  ? gfs2_recover_set+0x240/0x240
[  245.894100][ T5427]  ? snprintf+0xe5/0x140
[  245.898364][ T5427]  ? __free_pages+0x95/0x1a0
[  245.902963][ T5427]  ? vscnprintf+0x80/0x80
[  245.907366][ T5427]  gfs2_fill_super+0x11ed/0x1ea0
[  245.912315][ T5427]  ? gfs2_reconfigure+0xd80/0xd80
[  245.917362][ T5427]  ? sb_set_blocksize+0xa5/0xe0
[  245.922209][ T5427]  get_tree_bdev+0x3e6/0x610
[  245.926808][ T5427]  ? gfs2_reconfigure+0xd80/0xd80
[  245.931823][ T5427]  gfs2_get_tree+0x4d/0x1e0
[  245.936318][ T5427]  vfs_get_tree+0x88/0x270
[  245.940725][ T5427]  do_new_mount+0x247/0xa50
[  245.945225][ T5427]  __se_sys_mount+0x2e3/0x3d0
[  245.949895][ T5427]  ? __x64_sys_mount+0xc0/0xc0
[  245.954659][ T5427]  ? lockdep_hardirqs_on+0x94/0x140
[  245.959844][ T5427]  ? __x64_sys_mount+0x1c/0xc0
[  245.964610][ T5427]  do_syscall_64+0x4c/0xa0
[  245.969012][ T5427]  ? clear_bhb_loop+0x30/0x80
[  245.973677][ T5427]  ? clear_bhb_loop+0x30/0x80
[  245.978339][ T5427]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.984222][ T5427] RIP: 0033:0x7ff37f9770ca
[  245.988644][ T5427] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.008256][ T5427] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.016675][ T5427] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  246.024641][ T5427] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  246.032689][ T5427] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  246.040648][ T5427] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  246.048608][ T5427] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  246.056592][ T5427]  </TASK>
[  246.060765][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.073990][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.434350][ T5429] loop1: detected capacity change from 0 to 32768
[  246.495333][ T5429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.506714][ T5429] CPU: 1 PID: 5429 Comm: syz.1.187 Not tainted syzkaller #0
[  246.514034][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  246.524111][ T5429] Call Trace:
[  246.527420][ T5429]  <TASK>
[  246.530369][ T5429]  dump_stack_lvl+0x188/0x250
[  246.535088][ T5429]  ? show_regs_print_info+0x20/0x20
[  246.540314][ T5429]  ? load_image+0x410/0x410
[  246.544862][ T5429]  sysfs_create_dir_ns+0x26a/0x290
[  246.550007][ T5429]  ? sysfs_warn_dup+0xa0/0xa0
[  246.554714][ T5429]  ? do_raw_spin_unlock+0x11d/0x230
[  246.559945][ T5429]  kobject_add_internal+0x5ba/0xcd0
[  246.565261][ T5429]  kobject_init_and_add+0x128/0x190
[  246.570567][ T5429]  ? lockdep_softirqs_off+0x430/0x430
[  246.575975][ T5429]  ? kobject_add+0x230/0x230
[  246.580608][ T5429]  ? __init_swait_queue_head+0xa4/0x140
[  246.586182][ T5429]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.590968][ T5429]  ? gfs2_recover_set+0x240/0x240
[  246.596014][ T5429]  ? snprintf+0xe5/0x140
[  246.600273][ T5429]  ? __free_pages+0x95/0x1a0
[  246.604859][ T5429]  ? vscnprintf+0x80/0x80
[  246.609209][ T5429]  gfs2_fill_super+0x11ed/0x1ea0
[  246.614161][ T5429]  ? gfs2_reconfigure+0xd80/0xd80
[  246.619187][ T5429]  ? sb_set_blocksize+0xa5/0xe0
[  246.624030][ T5429]  get_tree_bdev+0x3e6/0x610
[  246.628628][ T5429]  ? gfs2_reconfigure+0xd80/0xd80
[  246.633663][ T5429]  gfs2_get_tree+0x4d/0x1e0
[  246.638170][ T5429]  vfs_get_tree+0x88/0x270
[  246.642616][ T5429]  do_new_mount+0x247/0xa50
[  246.647113][ T5429]  __se_sys_mount+0x2e3/0x3d0
[  246.651805][ T5429]  ? __x64_sys_mount+0xc0/0xc0
[  246.656561][ T5429]  ? lockdep_hardirqs_on+0x94/0x140
[  246.661749][ T5429]  ? __x64_sys_mount+0x1c/0xc0
[  246.666506][ T5429]  do_syscall_64+0x4c/0xa0
[  246.670912][ T5429]  ? clear_bhb_loop+0x30/0x80
[  246.675577][ T5429]  ? clear_bhb_loop+0x30/0x80
[  246.680248][ T5429]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.686132][ T5429] RIP: 0033:0x7ff37f9770ca
[  246.690542][ T5429] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.710137][ T5429] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.718553][ T5429] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  246.726534][ T5429] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  246.734669][ T5429] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  246.742732][ T5429] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  246.750695][ T5429] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  246.758679][ T5429]  </TASK>
[  246.763181][ T5429] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.776425][ T5429] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.121205][ T5431] loop1: detected capacity change from 0 to 32768
[  247.184205][ T5431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.194870][ T5431] CPU: 0 PID: 5431 Comm: syz.1.188 Not tainted syzkaller #0
[  247.202203][ T5431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  247.212288][ T5431] Call Trace:
[  247.215688][ T5431]  <TASK>
[  247.218646][ T5431]  dump_stack_lvl+0x188/0x250
[  247.223446][ T5431]  ? show_regs_print_info+0x20/0x20
[  247.228763][ T5431]  ? load_image+0x410/0x410
[  247.233314][ T5431]  sysfs_create_dir_ns+0x26a/0x290
[  247.238453][ T5431]  ? sysfs_warn_dup+0xa0/0xa0
[  247.243166][ T5431]  ? do_raw_spin_unlock+0x11d/0x230
[  247.248404][ T5431]  kobject_add_internal+0x5ba/0xcd0
[  247.253650][ T5431]  kobject_init_and_add+0x128/0x190
[  247.258871][ T5431]  ? lockdep_softirqs_off+0x430/0x430
[  247.264274][ T5431]  ? kobject_add+0x230/0x230
[  247.268899][ T5431]  ? __init_swait_queue_head+0xa4/0x140
[  247.274472][ T5431]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.279261][ T5431]  ? gfs2_recover_set+0x240/0x240
[  247.284318][ T5431]  ? snprintf+0xe5/0x140
[  247.288649][ T5431]  ? __free_pages+0x95/0x1a0
[  247.293258][ T5431]  ? vscnprintf+0x80/0x80
[  247.297605][ T5431]  gfs2_fill_super+0x11ed/0x1ea0
[  247.302557][ T5431]  ? gfs2_reconfigure+0xd80/0xd80
[  247.307583][ T5431]  ? sb_set_blocksize+0xa5/0xe0
[  247.312438][ T5431]  get_tree_bdev+0x3e6/0x610
[  247.317123][ T5431]  ? gfs2_reconfigure+0xd80/0xd80
[  247.322169][ T5431]  gfs2_get_tree+0x4d/0x1e0
[  247.326699][ T5431]  vfs_get_tree+0x88/0x270
[  247.331136][ T5431]  do_new_mount+0x247/0xa50
[  247.335672][ T5431]  __se_sys_mount+0x2e3/0x3d0
[  247.340368][ T5431]  ? __x64_sys_mount+0xc0/0xc0
[  247.345155][ T5431]  ? lockdep_hardirqs_on+0x94/0x140
[  247.350354][ T5431]  ? __x64_sys_mount+0x1c/0xc0
[  247.355113][ T5431]  do_syscall_64+0x4c/0xa0
[  247.359542][ T5431]  ? clear_bhb_loop+0x30/0x80
[  247.364227][ T5431]  ? clear_bhb_loop+0x30/0x80
[  247.368935][ T5431]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.374844][ T5431] RIP: 0033:0x7ff37f9770ca
[  247.379266][ T5431] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.398961][ T5431] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.407403][ T5431] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  247.415663][ T5431] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  247.423656][ T5431] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  247.431633][ T5431] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  247.439609][ T5431] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  247.447610][ T5431]  </TASK>
[  247.451920][ T5431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.465306][ T5431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.832923][ T5433] loop1: detected capacity change from 0 to 32768
[  247.883012][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.895514][ T5433] CPU: 0 PID: 5433 Comm: syz.1.189 Not tainted syzkaller #0
[  247.902841][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  247.913042][ T5433] Call Trace:
[  247.916344][ T5433]  <TASK>
[  247.919306][ T5433]  dump_stack_lvl+0x188/0x250
[  247.924027][ T5433]  ? show_regs_print_info+0x20/0x20
[  247.929257][ T5433]  ? load_image+0x410/0x410
[  247.933805][ T5433]  sysfs_create_dir_ns+0x26a/0x290
[  247.938950][ T5433]  ? sysfs_warn_dup+0xa0/0xa0
[  247.943660][ T5433]  ? do_raw_spin_unlock+0x11d/0x230
[  247.948891][ T5433]  kobject_add_internal+0x5ba/0xcd0
[  247.954126][ T5433]  kobject_init_and_add+0x128/0x190
[  247.959347][ T5433]  ? lockdep_softirqs_off+0x430/0x430
[  247.964875][ T5433]  ? kobject_add+0x230/0x230
[  247.969493][ T5433]  ? __init_swait_queue_head+0xa4/0x140
[  247.975068][ T5433]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.979863][ T5433]  ? gfs2_recover_set+0x240/0x240
[  247.984902][ T5433]  ? snprintf+0xe5/0x140
[  247.989153][ T5433]  ? __free_pages+0x95/0x1a0
[  247.993741][ T5433]  ? vscnprintf+0x80/0x80
[  247.998089][ T5433]  gfs2_fill_super+0x11ed/0x1ea0
[  248.003065][ T5433]  ? gfs2_reconfigure+0xd80/0xd80
[  248.008267][ T5433]  ? sb_set_blocksize+0xa5/0xe0
[  248.013118][ T5433]  get_tree_bdev+0x3e6/0x610
[  248.017702][ T5433]  ? gfs2_reconfigure+0xd80/0xd80
[  248.022719][ T5433]  gfs2_get_tree+0x4d/0x1e0
[  248.027216][ T5433]  vfs_get_tree+0x88/0x270
[  248.031637][ T5433]  do_new_mount+0x247/0xa50
[  248.036150][ T5433]  __se_sys_mount+0x2e3/0x3d0
[  248.040909][ T5433]  ? __x64_sys_mount+0xc0/0xc0
[  248.045668][ T5433]  ? lockdep_hardirqs_on+0x94/0x140
[  248.050864][ T5433]  ? __x64_sys_mount+0x1c/0xc0
[  248.055623][ T5433]  do_syscall_64+0x4c/0xa0
[  248.060122][ T5433]  ? clear_bhb_loop+0x30/0x80
[  248.064790][ T5433]  ? clear_bhb_loop+0x30/0x80
[  248.069466][ T5433]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.075449][ T5433] RIP: 0033:0x7ff37f9770ca
[  248.079883][ T5433] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.099484][ T5433] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.107940][ T5433] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  248.115902][ T5433] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  248.123952][ T5433] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  248.131999][ T5433] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  248.140047][ T5433] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  248.148037][ T5433]  </TASK>
[  248.152279][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.165754][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.534965][ T5435] loop1: detected capacity change from 0 to 32768
[  248.586555][ T5435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.595904][ T5435] CPU: 0 PID: 5435 Comm: syz.1.190 Not tainted syzkaller #0
[  248.603229][ T5435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  248.613312][ T5435] Call Trace:
[  248.616719][ T5435]  <TASK>
[  248.619671][ T5435]  dump_stack_lvl+0x188/0x250
[  248.624382][ T5435]  ? show_regs_print_info+0x20/0x20
[  248.629603][ T5435]  ? load_image+0x410/0x410
[  248.634149][ T5435]  sysfs_create_dir_ns+0x26a/0x290
[  248.639404][ T5435]  ? sysfs_warn_dup+0xa0/0xa0
[  248.644105][ T5435]  ? do_raw_spin_unlock+0x11d/0x230
[  248.649333][ T5435]  kobject_add_internal+0x5ba/0xcd0
[  248.654570][ T5435]  kobject_init_and_add+0x128/0x190
[  248.659789][ T5435]  ? lockdep_softirqs_off+0x430/0x430
[  248.665192][ T5435]  ? kobject_add+0x230/0x230
[  248.669809][ T5435]  ? __init_swait_queue_head+0xa4/0x140
[  248.675377][ T5435]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.680135][ T5435]  ? gfs2_recover_set+0x240/0x240
[  248.685147][ T5435]  ? snprintf+0xe5/0x140
[  248.689385][ T5435]  ? __free_pages+0x95/0x1a0
[  248.693966][ T5435]  ? vscnprintf+0x80/0x80
[  248.698332][ T5435]  gfs2_fill_super+0x11ed/0x1ea0
[  248.703295][ T5435]  ? gfs2_reconfigure+0xd80/0xd80
[  248.708317][ T5435]  ? sb_set_blocksize+0xa5/0xe0
[  248.713162][ T5435]  get_tree_bdev+0x3e6/0x610
[  248.717742][ T5435]  ? gfs2_reconfigure+0xd80/0xd80
[  248.722761][ T5435]  gfs2_get_tree+0x4d/0x1e0
[  248.727340][ T5435]  vfs_get_tree+0x88/0x270
[  248.731751][ T5435]  do_new_mount+0x247/0xa50
[  248.736342][ T5435]  __se_sys_mount+0x2e3/0x3d0
[  248.741021][ T5435]  ? __x64_sys_mount+0xc0/0xc0
[  248.745778][ T5435]  ? lockdep_hardirqs_on+0x94/0x140
[  248.750965][ T5435]  ? __x64_sys_mount+0x1c/0xc0
[  248.755735][ T5435]  do_syscall_64+0x4c/0xa0
[  248.760141][ T5435]  ? clear_bhb_loop+0x30/0x80
[  248.764819][ T5435]  ? clear_bhb_loop+0x30/0x80
[  248.769487][ T5435]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.775575][ T5435] RIP: 0033:0x7ff37f9770ca
[  248.779987][ T5435] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.799589][ T5435] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.808019][ T5435] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  248.815992][ T5435] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  248.823970][ T5435] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  248.831938][ T5435] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  248.839904][ T5435] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  248.847895][ T5435]  </TASK>
[  248.852224][ T5435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.865502][ T5435] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/11/08 10:16:50 executed programs: 176
[  249.251952][ T5437] loop1: detected capacity change from 0 to 32768
[  249.300094][ T5437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.309991][ T5437] CPU: 1 PID: 5437 Comm: syz.1.191 Not tainted syzkaller #0
[  249.317314][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  249.327451][ T5437] Call Trace:
[  249.330845][ T5437]  <TASK>
[  249.333794][ T5437]  dump_stack_lvl+0x188/0x250
[  249.338502][ T5437]  ? show_regs_print_info+0x20/0x20
[  249.343728][ T5437]  ? load_image+0x410/0x410
[  249.348284][ T5437]  sysfs_create_dir_ns+0x26a/0x290
[  249.353455][ T5437]  ? sysfs_warn_dup+0xa0/0xa0
[  249.358250][ T5437]  ? do_raw_spin_unlock+0x11d/0x230
[  249.363574][ T5437]  kobject_add_internal+0x5ba/0xcd0
[  249.368812][ T5437]  kobject_init_and_add+0x128/0x190
[  249.374035][ T5437]  ? lockdep_softirqs_off+0x430/0x430
[  249.379437][ T5437]  ? kobject_add+0x230/0x230
[  249.384063][ T5437]  ? __init_swait_queue_head+0xa4/0x140
[  249.389643][ T5437]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.394436][ T5437]  ? gfs2_recover_set+0x240/0x240
[  249.399482][ T5437]  ? snprintf+0xe5/0x140
[  249.403772][ T5437]  ? __free_pages+0x95/0x1a0
[  249.408389][ T5437]  ? vscnprintf+0x80/0x80
[  249.412728][ T5437]  gfs2_fill_super+0x11ed/0x1ea0
[  249.417682][ T5437]  ? gfs2_reconfigure+0xd80/0xd80
[  249.422745][ T5437]  ? sb_set_blocksize+0xa5/0xe0
[  249.427596][ T5437]  get_tree_bdev+0x3e6/0x610
[  249.432186][ T5437]  ? gfs2_reconfigure+0xd80/0xd80
[  249.437207][ T5437]  gfs2_get_tree+0x4d/0x1e0
[  249.441707][ T5437]  vfs_get_tree+0x88/0x270
[  249.446122][ T5437]  do_new_mount+0x247/0xa50
[  249.450637][ T5437]  __se_sys_mount+0x2e3/0x3d0
[  249.455316][ T5437]  ? __x64_sys_mount+0xc0/0xc0
[  249.460082][ T5437]  ? lockdep_hardirqs_on+0x94/0x140
[  249.465295][ T5437]  ? __x64_sys_mount+0x1c/0xc0
[  249.470231][ T5437]  do_syscall_64+0x4c/0xa0
[  249.474638][ T5437]  ? clear_bhb_loop+0x30/0x80
[  249.479302][ T5437]  ? clear_bhb_loop+0x30/0x80
[  249.483969][ T5437]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.489861][ T5437] RIP: 0033:0x7ff37f9770ca
[  249.494272][ T5437] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  249.513872][ T5437] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.522284][ T5437] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  249.530245][ T5437] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  249.538208][ T5437] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  249.546169][ T5437] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  249.554142][ T5437] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  249.562119][ T5437]  </TASK>
[  249.566790][ T5437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.580095][ T5437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.957242][ T5439] loop1: detected capacity change from 0 to 32768
[  250.010185][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.027152][ T5439] CPU: 1 PID: 5439 Comm: syz.1.192 Not tainted syzkaller #0
[  250.034485][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  250.044566][ T5439] Call Trace:
[  250.047870][ T5439]  <TASK>
[  250.050824][ T5439]  dump_stack_lvl+0x188/0x250
[  250.055533][ T5439]  ? show_regs_print_info+0x20/0x20
[  250.060785][ T5439]  ? load_image+0x410/0x410
[  250.065336][ T5439]  sysfs_create_dir_ns+0x26a/0x290
[  250.070492][ T5439]  ? sysfs_warn_dup+0xa0/0xa0
[  250.075197][ T5439]  ? do_raw_spin_unlock+0x11d/0x230
[  250.080421][ T5439]  kobject_add_internal+0x5ba/0xcd0
[  250.085737][ T5439]  kobject_init_and_add+0x128/0x190
[  250.091049][ T5439]  ? lockdep_softirqs_off+0x430/0x430
[  250.096538][ T5439]  ? kobject_add+0x230/0x230
[  250.101239][ T5439]  ? __init_swait_queue_head+0xa4/0x140
[  250.106810][ T5439]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.111574][ T5439]  ? gfs2_recover_set+0x240/0x240
[  250.116693][ T5439]  ? snprintf+0xe5/0x140
[  250.120948][ T5439]  ? __free_pages+0x95/0x1a0
[  250.125718][ T5439]  ? vscnprintf+0x80/0x80
[  250.130057][ T5439]  gfs2_fill_super+0x11ed/0x1ea0
[  250.134999][ T5439]  ? gfs2_reconfigure+0xd80/0xd80
[  250.140034][ T5439]  ? sb_set_blocksize+0xa5/0xe0
[  250.144877][ T5439]  get_tree_bdev+0x3e6/0x610
[  250.149546][ T5439]  ? gfs2_reconfigure+0xd80/0xd80
[  250.154791][ T5439]  gfs2_get_tree+0x4d/0x1e0
[  250.159317][ T5439]  vfs_get_tree+0x88/0x270
[  250.163741][ T5439]  do_new_mount+0x247/0xa50
[  250.168273][ T5439]  __se_sys_mount+0x2e3/0x3d0
[  250.172954][ T5439]  ? __x64_sys_mount+0xc0/0xc0
[  250.177725][ T5439]  ? lockdep_hardirqs_on+0x94/0x140
[  250.182950][ T5439]  ? __x64_sys_mount+0x1c/0xc0
[  250.187727][ T5439]  do_syscall_64+0x4c/0xa0
[  250.192152][ T5439]  ? clear_bhb_loop+0x30/0x80
[  250.196919][ T5439]  ? clear_bhb_loop+0x30/0x80
[  250.201609][ T5439]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.207517][ T5439] RIP: 0033:0x7ff37f9770ca
[  250.211954][ T5439] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.231555][ T5439] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.240054][ T5439] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  250.248023][ T5439] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  250.256000][ T5439] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  250.264061][ T5439] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  250.272040][ T5439] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  250.280015][ T5439]  </TASK>
[  250.284950][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.298700][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  250.696338][ T5441] loop1: detected capacity change from 0 to 32768
[  250.747707][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.755117][ T5441] CPU: 0 PID: 5441 Comm: syz.1.193 Not tainted syzkaller #0
[  250.762420][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  250.772501][ T5441] Call Trace:
[  250.775803][ T5441]  <TASK>
[  250.778786][ T5441]  dump_stack_lvl+0x188/0x250
[  250.783502][ T5441]  ? show_regs_print_info+0x20/0x20
[  250.788835][ T5441]  ? load_image+0x410/0x410
[  250.793404][ T5441]  sysfs_create_dir_ns+0x26a/0x290
[  250.798540][ T5441]  ? sysfs_warn_dup+0xa0/0xa0
[  250.803245][ T5441]  ? do_raw_spin_unlock+0x11d/0x230
[  250.808475][ T5441]  kobject_add_internal+0x5ba/0xcd0
[  250.813708][ T5441]  kobject_init_and_add+0x128/0x190
[  250.818936][ T5441]  ? lockdep_softirqs_off+0x430/0x430
[  250.824338][ T5441]  ? kobject_add+0x230/0x230
[  250.828971][ T5441]  ? __init_swait_queue_head+0xa4/0x140
[  250.834545][ T5441]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.839333][ T5441]  ? gfs2_recover_set+0x240/0x240
[  250.844395][ T5441]  ? snprintf+0xe5/0x140
[  250.848641][ T5441]  ? __free_pages+0x95/0x1a0
[  250.853231][ T5441]  ? vscnprintf+0x80/0x80
[  250.857576][ T5441]  gfs2_fill_super+0x11ed/0x1ea0
[  250.862536][ T5441]  ? gfs2_reconfigure+0xd80/0xd80
[  250.867565][ T5441]  ? sb_set_blocksize+0xa5/0xe0
[  250.872410][ T5441]  get_tree_bdev+0x3e6/0x610
[  250.877004][ T5441]  ? gfs2_reconfigure+0xd80/0xd80
[  250.882036][ T5441]  gfs2_get_tree+0x4d/0x1e0
[  250.886637][ T5441]  vfs_get_tree+0x88/0x270
[  250.891046][ T5441]  do_new_mount+0x247/0xa50
[  250.895545][ T5441]  __se_sys_mount+0x2e3/0x3d0
[  250.900446][ T5441]  ? __x64_sys_mount+0xc0/0xc0
[  250.905220][ T5441]  ? lockdep_hardirqs_on+0x94/0x140
[  250.910419][ T5441]  ? __x64_sys_mount+0x1c/0xc0
[  250.915192][ T5441]  do_syscall_64+0x4c/0xa0
[  250.919606][ T5441]  ? clear_bhb_loop+0x30/0x80
[  250.924285][ T5441]  ? clear_bhb_loop+0x30/0x80
[  250.928983][ T5441]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.934889][ T5441] RIP: 0033:0x7ff37f9770ca
[  250.939323][ T5441] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.959021][ T5441] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.967471][ T5441] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  250.975468][ T5441] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  250.983452][ T5441] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  250.991432][ T5441] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  250.999395][ T5441] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  251.007493][ T5441]  </TASK>
[  251.015410][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.029442][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.385613][ T5443] loop1: detected capacity change from 0 to 32768
[  251.427716][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.435227][ T5443] CPU: 0 PID: 5443 Comm: syz.1.194 Not tainted syzkaller #0
[  251.442539][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  251.452618][ T5443] Call Trace:
[  251.455931][ T5443]  <TASK>
[  251.458890][ T5443]  dump_stack_lvl+0x188/0x250
[  251.463704][ T5443]  ? show_regs_print_info+0x20/0x20
[  251.469016][ T5443]  ? load_image+0x410/0x410
[  251.473561][ T5443]  sysfs_create_dir_ns+0x26a/0x290
[  251.478709][ T5443]  ? sysfs_warn_dup+0xa0/0xa0
[  251.483418][ T5443]  ? do_raw_spin_unlock+0x11d/0x230
[  251.488642][ T5443]  kobject_add_internal+0x5ba/0xcd0
[  251.493878][ T5443]  kobject_init_and_add+0x128/0x190
[  251.499106][ T5443]  ? lockdep_softirqs_off+0x430/0x430
[  251.504512][ T5443]  ? kobject_add+0x230/0x230
[  251.509128][ T5443]  ? __init_swait_queue_head+0xa4/0x140
[  251.514703][ T5443]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.519489][ T5443]  ? gfs2_recover_set+0x240/0x240
[  251.524516][ T5443]  ? snprintf+0xe5/0x140
[  251.528785][ T5443]  ? __free_pages+0x95/0x1a0
[  251.533408][ T5443]  ? vscnprintf+0x80/0x80
[  251.537790][ T5443]  gfs2_fill_super+0x11ed/0x1ea0
[  251.542798][ T5443]  ? gfs2_reconfigure+0xd80/0xd80
[  251.547848][ T5443]  ? sb_set_blocksize+0xa5/0xe0
[  251.552696][ T5443]  get_tree_bdev+0x3e6/0x610
[  251.557291][ T5443]  ? gfs2_reconfigure+0xd80/0xd80
[  251.562310][ T5443]  gfs2_get_tree+0x4d/0x1e0
[  251.566806][ T5443]  vfs_get_tree+0x88/0x270
[  251.571216][ T5443]  do_new_mount+0x247/0xa50
[  251.575726][ T5443]  __se_sys_mount+0x2e3/0x3d0
[  251.580412][ T5443]  ? __x64_sys_mount+0xc0/0xc0
[  251.585168][ T5443]  ? lockdep_hardirqs_on+0x94/0x140
[  251.590368][ T5443]  ? __x64_sys_mount+0x1c/0xc0
[  251.595145][ T5443]  do_syscall_64+0x4c/0xa0
[  251.599567][ T5443]  ? clear_bhb_loop+0x30/0x80
[  251.604238][ T5443]  ? clear_bhb_loop+0x30/0x80
[  251.608927][ T5443]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.614830][ T5443] RIP: 0033:0x7ff37f9770ca
[  251.619252][ T5443] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  251.638859][ T5443] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.647295][ T5443] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  251.655262][ T5443] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  251.663309][ T5443] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  251.671284][ T5443] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  251.679251][ T5443] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  251.687249][ T5443]  </TASK>
[  251.691861][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.705077][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.081717][ T5445] loop1: detected capacity change from 0 to 32768
[  252.135203][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.142676][ T5445] CPU: 1 PID: 5445 Comm: syz.1.195 Not tainted syzkaller #0
[  252.150117][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  252.160204][ T5445] Call Trace:
[  252.163515][ T5445]  <TASK>
[  252.166472][ T5445]  dump_stack_lvl+0x188/0x250
[  252.171192][ T5445]  ? show_regs_print_info+0x20/0x20
[  252.176419][ T5445]  ? load_image+0x410/0x410
[  252.180966][ T5445]  sysfs_create_dir_ns+0x26a/0x290
[  252.186109][ T5445]  ? sysfs_warn_dup+0xa0/0xa0
[  252.190822][ T5445]  ? do_raw_spin_unlock+0x11d/0x230
[  252.196053][ T5445]  kobject_add_internal+0x5ba/0xcd0
[  252.201295][ T5445]  kobject_init_and_add+0x128/0x190
[  252.206615][ T5445]  ? lockdep_softirqs_off+0x430/0x430
[  252.212018][ T5445]  ? kobject_add+0x230/0x230
[  252.216638][ T5445]  ? __init_swait_queue_head+0xa4/0x140
[  252.222217][ T5445]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.227012][ T5445]  ? gfs2_recover_set+0x240/0x240
[  252.232059][ T5445]  ? snprintf+0xe5/0x140
[  252.236303][ T5445]  ? __free_pages+0x95/0x1a0
[  252.240913][ T5445]  ? vscnprintf+0x80/0x80
[  252.245256][ T5445]  gfs2_fill_super+0x11ed/0x1ea0
[  252.250189][ T5445]  ? gfs2_reconfigure+0xd80/0xd80
[  252.255235][ T5445]  ? sb_set_blocksize+0xa5/0xe0
[  252.260098][ T5445]  get_tree_bdev+0x3e6/0x610
[  252.264801][ T5445]  ? gfs2_reconfigure+0xd80/0xd80
[  252.269828][ T5445]  gfs2_get_tree+0x4d/0x1e0
[  252.274332][ T5445]  vfs_get_tree+0x88/0x270
[  252.278753][ T5445]  do_new_mount+0x247/0xa50
[  252.283285][ T5445]  __se_sys_mount+0x2e3/0x3d0
[  252.287962][ T5445]  ? __x64_sys_mount+0xc0/0xc0
[  252.292733][ T5445]  ? lockdep_hardirqs_on+0x94/0x140
[  252.298035][ T5445]  ? __x64_sys_mount+0x1c/0xc0
[  252.302847][ T5445]  do_syscall_64+0x4c/0xa0
[  252.307279][ T5445]  ? clear_bhb_loop+0x30/0x80
[  252.311979][ T5445]  ? clear_bhb_loop+0x30/0x80
[  252.316650][ T5445]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.322535][ T5445] RIP: 0033:0x7ff37f9770ca
[  252.327119][ T5445] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.346805][ T5445] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.355305][ T5445] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  252.363273][ T5445] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  252.371252][ T5445] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  252.379224][ T5445] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  252.387204][ T5445] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  252.395190][ T5445]  </TASK>
[  252.400673][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.414054][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.577681][ T4251] Bluetooth: hci1: command 0x0406 tx timeout
[  252.774017][ T5447] loop1: detected capacity change from 0 to 32768
[  252.831596][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.839178][ T5447] CPU: 0 PID: 5447 Comm: syz.1.196 Not tainted syzkaller #0
[  252.846492][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  252.856656][ T5447] Call Trace:
[  252.859965][ T5447]  <TASK>
[  252.862912][ T5447]  dump_stack_lvl+0x188/0x250
[  252.867630][ T5447]  ? show_regs_print_info+0x20/0x20
[  252.872853][ T5447]  ? load_image+0x410/0x410
[  252.877402][ T5447]  sysfs_create_dir_ns+0x26a/0x290
[  252.882549][ T5447]  ? sysfs_warn_dup+0xa0/0xa0
[  252.887254][ T5447]  ? do_raw_spin_unlock+0x11d/0x230
[  252.892491][ T5447]  kobject_add_internal+0x5ba/0xcd0
[  252.897717][ T5447]  kobject_init_and_add+0x128/0x190
[  252.902938][ T5447]  ? lockdep_softirqs_off+0x430/0x430
[  252.908346][ T5447]  ? kobject_add+0x230/0x230
[  252.912962][ T5447]  ? __init_swait_queue_head+0xa4/0x140
[  252.918555][ T5447]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.923313][ T5447]  ? gfs2_recover_set+0x240/0x240
[  252.928352][ T5447]  ? snprintf+0xe5/0x140
[  252.932587][ T5447]  ? __free_pages+0x95/0x1a0
[  252.937167][ T5447]  ? vscnprintf+0x80/0x80
[  252.941494][ T5447]  gfs2_fill_super+0x11ed/0x1ea0
[  252.946429][ T5447]  ? gfs2_reconfigure+0xd80/0xd80
[  252.951453][ T5447]  ? sb_set_blocksize+0xa5/0xe0
[  252.956297][ T5447]  get_tree_bdev+0x3e6/0x610
[  252.960885][ T5447]  ? gfs2_reconfigure+0xd80/0xd80
[  252.965909][ T5447]  gfs2_get_tree+0x4d/0x1e0
[  252.970405][ T5447]  vfs_get_tree+0x88/0x270
[  252.974816][ T5447]  do_new_mount+0x247/0xa50
[  252.979328][ T5447]  __se_sys_mount+0x2e3/0x3d0
[  252.984002][ T5447]  ? __x64_sys_mount+0xc0/0xc0
[  252.988769][ T5447]  ? lockdep_hardirqs_on+0x94/0x140
[  252.993960][ T5447]  ? __x64_sys_mount+0x1c/0xc0
[  252.998717][ T5447]  do_syscall_64+0x4c/0xa0
[  253.003120][ T5447]  ? clear_bhb_loop+0x30/0x80
[  253.007789][ T5447]  ? clear_bhb_loop+0x30/0x80
[  253.012464][ T5447]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.018344][ T5447] RIP: 0033:0x7ff37f9770ca
[  253.022748][ T5447] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.042427][ T5447] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.050834][ T5447] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  253.058797][ T5447] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  253.066845][ T5447] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  253.074813][ T5447] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  253.082795][ T5447] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  253.090771][ T5447]  </TASK>
[  253.095528][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.108722][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.470182][ T5449] loop1: detected capacity change from 0 to 32768
[  253.520825][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.531573][ T5449] CPU: 0 PID: 5449 Comm: syz.1.197 Not tainted syzkaller #0
[  253.538905][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  253.548994][ T5449] Call Trace:
[  253.552383][ T5449]  <TASK>
[  253.555360][ T5449]  dump_stack_lvl+0x188/0x250
[  253.560093][ T5449]  ? show_regs_print_info+0x20/0x20
[  253.565331][ T5449]  ? load_image+0x410/0x410
[  253.569890][ T5449]  sysfs_create_dir_ns+0x26a/0x290
[  253.575028][ T5449]  ? sysfs_warn_dup+0xa0/0xa0
[  253.579733][ T5449]  ? do_raw_spin_unlock+0x11d/0x230
[  253.584958][ T5449]  kobject_add_internal+0x5ba/0xcd0
[  253.590190][ T5449]  kobject_init_and_add+0x128/0x190
[  253.595410][ T5449]  ? lockdep_softirqs_off+0x430/0x430
[  253.600824][ T5449]  ? kobject_add+0x230/0x230
[  253.605435][ T5449]  ? __init_swait_queue_head+0xa4/0x140
[  253.610999][ T5449]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.615755][ T5449]  ? gfs2_recover_set+0x240/0x240
[  253.620767][ T5449]  ? snprintf+0xe5/0x140
[  253.624996][ T5449]  ? __free_pages+0x95/0x1a0
[  253.629576][ T5449]  ? vscnprintf+0x80/0x80
[  253.633903][ T5449]  gfs2_fill_super+0x11ed/0x1ea0
[  253.638837][ T5449]  ? gfs2_reconfigure+0xd80/0xd80
[  253.643879][ T5449]  ? sb_set_blocksize+0xa5/0xe0
[  253.648720][ T5449]  get_tree_bdev+0x3e6/0x610
[  253.653302][ T5449]  ? gfs2_reconfigure+0xd80/0xd80
[  253.658319][ T5449]  gfs2_get_tree+0x4d/0x1e0
[  253.662832][ T5449]  vfs_get_tree+0x88/0x270
[  253.667238][ T5449]  do_new_mount+0x247/0xa50
[  253.671743][ T5449]  __se_sys_mount+0x2e3/0x3d0
[  253.676414][ T5449]  ? __x64_sys_mount+0xc0/0xc0
[  253.681256][ T5449]  ? lockdep_hardirqs_on+0x94/0x140
[  253.686445][ T5449]  ? __x64_sys_mount+0x1c/0xc0
[  253.691248][ T5449]  do_syscall_64+0x4c/0xa0
[  253.695681][ T5449]  ? clear_bhb_loop+0x30/0x80
[  253.700345][ T5449]  ? clear_bhb_loop+0x30/0x80
[  253.705016][ T5449]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.710911][ T5449] RIP: 0033:0x7ff37f9770ca
[  253.715316][ T5449] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.734910][ T5449] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.743314][ T5449] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  253.751284][ T5449] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  253.759246][ T5449] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  253.767206][ T5449] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  253.775165][ T5449] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  253.783135][ T5449]  </TASK>
[  253.787436][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.800802][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.169011][ T5451] loop1: detected capacity change from 0 to 32768
[  254.216590][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.225471][ T5451] CPU: 1 PID: 5451 Comm: syz.1.198 Not tainted syzkaller #0
[  254.232792][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  254.242884][ T5451] Call Trace:
[  254.246188][ T5451]  <TASK>
[  254.249141][ T5451]  dump_stack_lvl+0x188/0x250
[  254.253940][ T5451]  ? show_regs_print_info+0x20/0x20
[  254.259166][ T5451]  ? load_image+0x410/0x410
[  254.263708][ T5451]  sysfs_create_dir_ns+0x26a/0x290
[  254.268858][ T5451]  ? sysfs_warn_dup+0xa0/0xa0
[  254.273654][ T5451]  ? do_raw_spin_unlock+0x11d/0x230
[  254.278886][ T5451]  kobject_add_internal+0x5ba/0xcd0
[  254.284132][ T5451]  kobject_init_and_add+0x128/0x190
[  254.289448][ T5451]  ? lockdep_softirqs_off+0x430/0x430
[  254.294854][ T5451]  ? kobject_add+0x230/0x230
[  254.299565][ T5451]  ? __init_swait_queue_head+0xa4/0x140
[  254.305140][ T5451]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.309925][ T5451]  ? gfs2_recover_set+0x240/0x240
[  254.315035][ T5451]  ? snprintf+0xe5/0x140
[  254.319278][ T5451]  ? __free_pages+0x95/0x1a0
[  254.323899][ T5451]  ? vscnprintf+0x80/0x80
[  254.328233][ T5451]  gfs2_fill_super+0x11ed/0x1ea0
[  254.333173][ T5451]  ? gfs2_reconfigure+0xd80/0xd80
[  254.338215][ T5451]  ? sb_set_blocksize+0xa5/0xe0
[  254.343081][ T5451]  get_tree_bdev+0x3e6/0x610
[  254.347679][ T5451]  ? gfs2_reconfigure+0xd80/0xd80
[  254.352694][ T5451]  gfs2_get_tree+0x4d/0x1e0
[  254.357190][ T5451]  vfs_get_tree+0x88/0x270
[  254.361601][ T5451]  do_new_mount+0x247/0xa50
[  254.366103][ T5451]  __se_sys_mount+0x2e3/0x3d0
[  254.370776][ T5451]  ? __x64_sys_mount+0xc0/0xc0
[  254.375534][ T5451]  ? lockdep_hardirqs_on+0x94/0x140
[  254.380721][ T5451]  ? __x64_sys_mount+0x1c/0xc0
[  254.385484][ T5451]  do_syscall_64+0x4c/0xa0
[  254.389889][ T5451]  ? clear_bhb_loop+0x30/0x80
[  254.394555][ T5451]  ? clear_bhb_loop+0x30/0x80
[  254.399227][ T5451]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.405250][ T5451] RIP: 0033:0x7ff37f9770ca
[  254.409657][ T5451] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.429257][ T5451] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.437755][ T5451] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  254.445828][ T5451] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  254.453800][ T5451] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  254.461771][ T5451] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  254.469821][ T5451] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  254.477812][ T5451]  </TASK>
[  254.482226][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.495373][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/11/08 10:16:56 executed programs: 184
[  254.871544][ T5453] loop1: detected capacity change from 0 to 32768
[  254.929903][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.937416][ T5453] CPU: 0 PID: 5453 Comm: syz.1.199 Not tainted syzkaller #0
[  254.944735][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  254.954816][ T5453] Call Trace:
[  254.958116][ T5453]  <TASK>
[  254.961073][ T5453]  dump_stack_lvl+0x188/0x250
[  254.965786][ T5453]  ? show_regs_print_info+0x20/0x20
[  254.971008][ T5453]  ? load_image+0x410/0x410
[  254.975665][ T5453]  sysfs_create_dir_ns+0x26a/0x290
[  254.980819][ T5453]  ? sysfs_warn_dup+0xa0/0xa0
[  254.985525][ T5453]  ? do_raw_spin_unlock+0x11d/0x230
[  254.990755][ T5453]  kobject_add_internal+0x5ba/0xcd0
[  254.995996][ T5453]  kobject_init_and_add+0x128/0x190
[  255.001222][ T5453]  ? lockdep_softirqs_off+0x430/0x430
[  255.006634][ T5453]  ? kobject_add+0x230/0x230
[  255.011255][ T5453]  ? __init_swait_queue_head+0xa4/0x140
[  255.016930][ T5453]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.021690][ T5453]  ? gfs2_recover_set+0x240/0x240
[  255.026719][ T5453]  ? snprintf+0xe5/0x140
[  255.030961][ T5453]  ? __free_pages+0x95/0x1a0
[  255.035548][ T5453]  ? vscnprintf+0x80/0x80
[  255.039877][ T5453]  gfs2_fill_super+0x11ed/0x1ea0
[  255.044832][ T5453]  ? gfs2_reconfigure+0xd80/0xd80
[  255.049866][ T5453]  ? sb_set_blocksize+0xa5/0xe0
[  255.054728][ T5453]  get_tree_bdev+0x3e6/0x610
[  255.059325][ T5453]  ? gfs2_reconfigure+0xd80/0xd80
[  255.064354][ T5453]  gfs2_get_tree+0x4d/0x1e0
[  255.068868][ T5453]  vfs_get_tree+0x88/0x270
[  255.073280][ T5453]  do_new_mount+0x247/0xa50
[  255.077783][ T5453]  __se_sys_mount+0x2e3/0x3d0
[  255.082457][ T5453]  ? __x64_sys_mount+0xc0/0xc0
[  255.087239][ T5453]  ? lockdep_hardirqs_on+0x94/0x140
[  255.092698][ T5453]  ? __x64_sys_mount+0x1c/0xc0
[  255.097469][ T5453]  do_syscall_64+0x4c/0xa0
[  255.101894][ T5453]  ? clear_bhb_loop+0x30/0x80
[  255.106585][ T5453]  ? clear_bhb_loop+0x30/0x80
[  255.111249][ T5453]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.117136][ T5453] RIP: 0033:0x7ff37f9770ca
[  255.121543][ T5453] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.141142][ T5453] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.149550][ T5453] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  255.157531][ T5453] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  255.165509][ T5453] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  255.173485][ T5453] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  255.181445][ T5453] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  255.189432][ T5453]  </TASK>
[  255.193970][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.207141][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.560769][ T5455] loop1: detected capacity change from 0 to 32768
[  255.609048][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.616467][ T5455] CPU: 1 PID: 5455 Comm: syz.1.200 Not tainted syzkaller #0
[  255.623787][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  255.633870][ T5455] Call Trace:
[  255.637181][ T5455]  <TASK>
[  255.640133][ T5455]  dump_stack_lvl+0x188/0x250
[  255.644850][ T5455]  ? show_regs_print_info+0x20/0x20
[  255.650176][ T5455]  ? load_image+0x410/0x410
[  255.654717][ T5455]  sysfs_create_dir_ns+0x26a/0x290
[  255.659859][ T5455]  ? sysfs_warn_dup+0xa0/0xa0
[  255.664652][ T5455]  ? do_raw_spin_unlock+0x11d/0x230
[  255.669881][ T5455]  kobject_add_internal+0x5ba/0xcd0
[  255.675119][ T5455]  kobject_init_and_add+0x128/0x190
[  255.680342][ T5455]  ? lockdep_softirqs_off+0x430/0x430
[  255.685743][ T5455]  ? kobject_add+0x230/0x230
[  255.690358][ T5455]  ? __init_swait_queue_head+0xa4/0x140
[  255.695932][ T5455]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.700723][ T5455]  ? gfs2_recover_set+0x240/0x240
[  255.705769][ T5455]  ? snprintf+0xe5/0x140
[  255.707152][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[  255.710031][ T5455]  ? __free_pages+0x95/0x1a0
[  255.710062][ T5455]  ? vscnprintf+0x80/0x80
[  255.710098][ T5455]  gfs2_fill_super+0x11ed/0x1ea0
[  255.716349][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[  255.720914][ T5455]  ? gfs2_reconfigure+0xd80/0xd80
[  255.720957][ T5455]  ? sb_set_blocksize+0xa5/0xe0
[  255.746389][ T5455]  get_tree_bdev+0x3e6/0x610
[  255.750978][ T5455]  ? gfs2_reconfigure+0xd80/0xd80
[  255.755997][ T5455]  gfs2_get_tree+0x4d/0x1e0
[  255.760496][ T5455]  vfs_get_tree+0x88/0x270
[  255.764903][ T5455]  do_new_mount+0x247/0xa50
[  255.769419][ T5455]  __se_sys_mount+0x2e3/0x3d0
[  255.774114][ T5455]  ? __x64_sys_mount+0xc0/0xc0
[  255.778869][ T5455]  ? lockdep_hardirqs_on+0x94/0x140
[  255.784059][ T5455]  ? __x64_sys_mount+0x1c/0xc0
[  255.788813][ T5455]  do_syscall_64+0x4c/0xa0
[  255.793216][ T5455]  ? clear_bhb_loop+0x30/0x80
[  255.797970][ T5455]  ? clear_bhb_loop+0x30/0x80
[  255.802636][ T5455]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.808514][ T5455] RIP: 0033:0x7ff37f9770ca
[  255.812920][ T5455] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.832515][ T5455] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.840924][ T5455] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  255.848888][ T5455] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  255.856942][ T5455] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  255.865166][ T5455] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  255.873134][ T5455] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  255.881145][ T5455]  </TASK>
[  255.887951][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.902063][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.276301][ T5457] loop1: detected capacity change from 0 to 32768
[  256.338977][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.346398][ T5457] CPU: 0 PID: 5457 Comm: syz.1.201 Not tainted syzkaller #0
[  256.353711][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  256.363797][ T5457] Call Trace:
[  256.367104][ T5457]  <TASK>
[  256.370157][ T5457]  dump_stack_lvl+0x188/0x250
[  256.374879][ T5457]  ? show_regs_print_info+0x20/0x20
[  256.380102][ T5457]  ? load_image+0x410/0x410
[  256.384647][ T5457]  sysfs_create_dir_ns+0x26a/0x290
[  256.389798][ T5457]  ? sysfs_warn_dup+0xa0/0xa0
[  256.394502][ T5457]  ? do_raw_spin_unlock+0x11d/0x230
[  256.399725][ T5457]  kobject_add_internal+0x5ba/0xcd0
[  256.404953][ T5457]  kobject_init_and_add+0x128/0x190
[  256.410345][ T5457]  ? lockdep_softirqs_off+0x430/0x430
[  256.415751][ T5457]  ? kobject_add+0x230/0x230
[  256.420389][ T5457]  ? __init_swait_queue_head+0xa4/0x140
[  256.425963][ T5457]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.430751][ T5457]  ? gfs2_recover_set+0x240/0x240
[  256.435795][ T5457]  ? snprintf+0xe5/0x140
[  256.440054][ T5457]  ? __free_pages+0x95/0x1a0
[  256.444642][ T5457]  ? vscnprintf+0x80/0x80
[  256.448984][ T5457]  gfs2_fill_super+0x11ed/0x1ea0
[  256.453951][ T5457]  ? gfs2_reconfigure+0xd80/0xd80
[  256.459017][ T5457]  ? sb_set_blocksize+0xa5/0xe0
[  256.463876][ T5457]  get_tree_bdev+0x3e6/0x610
[  256.468473][ T5457]  ? gfs2_reconfigure+0xd80/0xd80
[  256.473520][ T5457]  gfs2_get_tree+0x4d/0x1e0
[  256.478020][ T5457]  vfs_get_tree+0x88/0x270
[  256.482432][ T5457]  do_new_mount+0x247/0xa50
[  256.486929][ T5457]  __se_sys_mount+0x2e3/0x3d0
[  256.491602][ T5457]  ? __x64_sys_mount+0xc0/0xc0
[  256.496361][ T5457]  ? lockdep_hardirqs_on+0x94/0x140
[  256.501546][ T5457]  ? __x64_sys_mount+0x1c/0xc0
[  256.506301][ T5457]  do_syscall_64+0x4c/0xa0
[  256.510709][ T5457]  ? clear_bhb_loop+0x30/0x80
[  256.515378][ T5457]  ? clear_bhb_loop+0x30/0x80
[  256.520059][ T5457]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.526118][ T5457] RIP: 0033:0x7ff37f9770ca
[  256.530536][ T5457] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.550144][ T5457] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.558622][ T5457] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  256.566784][ T5457] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  256.574747][ T5457] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  256.582723][ T5457] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  256.590778][ T5457] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  256.598751][ T5457]  </TASK>
[  256.603376][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.616888][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.998222][ T5459] loop1: detected capacity change from 0 to 32768
[  257.057703][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.065127][ T5459] CPU: 0 PID: 5459 Comm: syz.1.202 Not tainted syzkaller #0
[  257.072436][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  257.082520][ T5459] Call Trace:
[  257.085818][ T5459]  <TASK>
[  257.088770][ T5459]  dump_stack_lvl+0x188/0x250
[  257.093487][ T5459]  ? show_regs_print_info+0x20/0x20
[  257.098738][ T5459]  ? load_image+0x410/0x410
[  257.103289][ T5459]  sysfs_create_dir_ns+0x26a/0x290
[  257.108430][ T5459]  ? sysfs_warn_dup+0xa0/0xa0
[  257.113138][ T5459]  ? do_raw_spin_unlock+0x11d/0x230
[  257.118742][ T5459]  kobject_add_internal+0x5ba/0xcd0
[  257.123979][ T5459]  kobject_init_and_add+0x128/0x190
[  257.129199][ T5459]  ? lockdep_softirqs_off+0x430/0x430
[  257.134707][ T5459]  ? kobject_add+0x230/0x230
[  257.139331][ T5459]  ? __init_swait_queue_head+0xa4/0x140
[  257.144907][ T5459]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.149694][ T5459]  ? gfs2_recover_set+0x240/0x240
[  257.154730][ T5459]  ? snprintf+0xe5/0x140
[  257.158980][ T5459]  ? __free_pages+0x95/0x1a0
[  257.163581][ T5459]  ? vscnprintf+0x80/0x80
[  257.167908][ T5459]  gfs2_fill_super+0x11ed/0x1ea0
[  257.172841][ T5459]  ? gfs2_reconfigure+0xd80/0xd80
[  257.177883][ T5459]  ? sb_set_blocksize+0xa5/0xe0
[  257.182747][ T5459]  get_tree_bdev+0x3e6/0x610
[  257.187326][ T5459]  ? gfs2_reconfigure+0xd80/0xd80
[  257.192336][ T5459]  gfs2_get_tree+0x4d/0x1e0
[  257.196826][ T5459]  vfs_get_tree+0x88/0x270
[  257.201234][ T5459]  do_new_mount+0x247/0xa50
[  257.205736][ T5459]  __se_sys_mount+0x2e3/0x3d0
[  257.210411][ T5459]  ? __x64_sys_mount+0xc0/0xc0
[  257.215168][ T5459]  ? lockdep_hardirqs_on+0x94/0x140
[  257.220355][ T5459]  ? __x64_sys_mount+0x1c/0xc0
[  257.225112][ T5459]  do_syscall_64+0x4c/0xa0
[  257.229519][ T5459]  ? clear_bhb_loop+0x30/0x80
[  257.234183][ T5459]  ? clear_bhb_loop+0x30/0x80
[  257.238947][ T5459]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.244869][ T5459] RIP: 0033:0x7ff37f9770ca
[  257.249286][ T5459] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.268886][ T5459] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.277400][ T5459] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  257.285366][ T5459] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  257.293337][ T5459] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  257.301313][ T5459] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  257.309306][ T5459] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  257.317302][ T5459]  </TASK>
[  257.321521][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.335085][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.690894][ T5461] loop1: detected capacity change from 0 to 32768
[  257.749062][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.756481][ T5461] CPU: 0 PID: 5461 Comm: syz.1.203 Not tainted syzkaller #0
[  257.763795][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  257.773884][ T5461] Call Trace:
[  257.777181][ T5461]  <TASK>
[  257.780133][ T5461]  dump_stack_lvl+0x188/0x250
[  257.784845][ T5461]  ? show_regs_print_info+0x20/0x20
[  257.790067][ T5461]  ? load_image+0x410/0x410
[  257.794619][ T5461]  sysfs_create_dir_ns+0x26a/0x290
[  257.799763][ T5461]  ? sysfs_warn_dup+0xa0/0xa0
[  257.804469][ T5461]  ? do_raw_spin_unlock+0x11d/0x230
[  257.809699][ T5461]  kobject_add_internal+0x5ba/0xcd0
[  257.814939][ T5461]  kobject_init_and_add+0x128/0x190
[  257.820159][ T5461]  ? lockdep_softirqs_off+0x430/0x430
[  257.825567][ T5461]  ? kobject_add+0x230/0x230
[  257.830189][ T5461]  ? __init_swait_queue_head+0xa4/0x140
[  257.835778][ T5461]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.840560][ T5461]  ? gfs2_recover_set+0x240/0x240
[  257.845573][ T5461]  ? snprintf+0xe5/0x140
[  257.849823][ T5461]  ? __free_pages+0x95/0x1a0
[  257.854407][ T5461]  ? vscnprintf+0x80/0x80
[  257.858751][ T5461]  gfs2_fill_super+0x11ed/0x1ea0
[  257.863687][ T5461]  ? gfs2_reconfigure+0xd80/0xd80
[  257.868722][ T5461]  ? sb_set_blocksize+0xa5/0xe0
[  257.873571][ T5461]  get_tree_bdev+0x3e6/0x610
[  257.878160][ T5461]  ? gfs2_reconfigure+0xd80/0xd80
[  257.883176][ T5461]  gfs2_get_tree+0x4d/0x1e0
[  257.887680][ T5461]  vfs_get_tree+0x88/0x270
[  257.892111][ T5461]  do_new_mount+0x247/0xa50
[  257.896609][ T5461]  __se_sys_mount+0x2e3/0x3d0
[  257.901289][ T5461]  ? __x64_sys_mount+0xc0/0xc0
[  257.906241][ T5461]  ? lockdep_hardirqs_on+0x94/0x140
[  257.911447][ T5461]  ? __x64_sys_mount+0x1c/0xc0
[  257.916215][ T5461]  do_syscall_64+0x4c/0xa0
[  257.920625][ T5461]  ? clear_bhb_loop+0x30/0x80
[  257.925300][ T5461]  ? clear_bhb_loop+0x30/0x80
[  257.929970][ T5461]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.935852][ T5461] RIP: 0033:0x7ff37f9770ca
[  257.940267][ T5461] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.960407][ T5461] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.968930][ T5461] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  257.976894][ T5461] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  257.984866][ T5461] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  257.992926][ T5461] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  258.000892][ T5461] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  258.008870][ T5461]  </TASK>
[  258.013448][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.026787][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.396753][ T5463] loop1: detected capacity change from 0 to 32768
[  258.447618][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.455156][ T5463] CPU: 0 PID: 5463 Comm: syz.1.204 Not tainted syzkaller #0
[  258.462560][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  258.472656][ T5463] Call Trace:
[  258.475960][ T5463]  <TASK>
[  258.478912][ T5463]  dump_stack_lvl+0x188/0x250
[  258.483634][ T5463]  ? show_regs_print_info+0x20/0x20
[  258.488863][ T5463]  ? load_image+0x410/0x410
[  258.493404][ T5463]  sysfs_create_dir_ns+0x26a/0x290
[  258.498545][ T5463]  ? sysfs_warn_dup+0xa0/0xa0
[  258.503271][ T5463]  ? do_raw_spin_unlock+0x11d/0x230
[  258.508505][ T5463]  kobject_add_internal+0x5ba/0xcd0
[  258.513735][ T5463]  kobject_init_and_add+0x128/0x190
[  258.518996][ T5463]  ? lockdep_softirqs_off+0x430/0x430
[  258.524404][ T5463]  ? kobject_add+0x230/0x230
[  258.529027][ T5463]  ? __init_swait_queue_head+0xa4/0x140
[  258.534601][ T5463]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.539390][ T5463]  ? gfs2_recover_set+0x240/0x240
[  258.544411][ T5463]  ? snprintf+0xe5/0x140
[  258.548653][ T5463]  ? __free_pages+0x95/0x1a0
[  258.553273][ T5463]  ? vscnprintf+0x80/0x80
[  258.557616][ T5463]  gfs2_fill_super+0x11ed/0x1ea0
[  258.562567][ T5463]  ? gfs2_reconfigure+0xd80/0xd80
[  258.567635][ T5463]  ? sb_set_blocksize+0xa5/0xe0
[  258.572656][ T5463]  get_tree_bdev+0x3e6/0x610
[  258.577249][ T5463]  ? gfs2_reconfigure+0xd80/0xd80
[  258.582271][ T5463]  gfs2_get_tree+0x4d/0x1e0
[  258.586793][ T5463]  vfs_get_tree+0x88/0x270
[  258.591222][ T5463]  do_new_mount+0x247/0xa50
[  258.595730][ T5463]  __se_sys_mount+0x2e3/0x3d0
[  258.600422][ T5463]  ? __x64_sys_mount+0xc0/0xc0
[  258.605181][ T5463]  ? lockdep_hardirqs_on+0x94/0x140
[  258.610405][ T5463]  ? __x64_sys_mount+0x1c/0xc0
[  258.615161][ T5463]  do_syscall_64+0x4c/0xa0
[  258.619568][ T5463]  ? clear_bhb_loop+0x30/0x80
[  258.624233][ T5463]  ? clear_bhb_loop+0x30/0x80
[  258.628911][ T5463]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.634817][ T5463] RIP: 0033:0x7ff37f9770ca
[  258.639225][ T5463] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.659010][ T5463] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.667452][ T5463] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  258.675432][ T5463] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  258.683395][ T5463] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  258.691356][ T5463] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  258.699578][ T5463] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  258.707569][ T5463]  </TASK>
[  258.712136][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.725305][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.094055][ T5465] loop1: detected capacity change from 0 to 32768
[  259.129812][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.137233][ T5465] CPU: 0 PID: 5465 Comm: syz.1.205 Not tainted syzkaller #0
[  259.144549][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  259.154632][ T5465] Call Trace:
[  259.157932][ T5465]  <TASK>
[  259.160883][ T5465]  dump_stack_lvl+0x188/0x250
[  259.165594][ T5465]  ? show_regs_print_info+0x20/0x20
[  259.170821][ T5465]  ? load_image+0x410/0x410
[  259.175378][ T5465]  sysfs_create_dir_ns+0x26a/0x290
[  259.180517][ T5465]  ? sysfs_warn_dup+0xa0/0xa0
[  259.185222][ T5465]  ? do_raw_spin_unlock+0x11d/0x230
[  259.190450][ T5465]  kobject_add_internal+0x5ba/0xcd0
[  259.195682][ T5465]  kobject_init_and_add+0x128/0x190
[  259.200910][ T5465]  ? lockdep_softirqs_off+0x430/0x430
[  259.206313][ T5465]  ? kobject_add+0x230/0x230
[  259.210934][ T5465]  ? __init_swait_queue_head+0xa4/0x140
[  259.216509][ T5465]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.221302][ T5465]  ? gfs2_recover_set+0x240/0x240
[  259.226345][ T5465]  ? snprintf+0xe5/0x140
[  259.230585][ T5465]  ? __free_pages+0x95/0x1a0
[  259.235168][ T5465]  ? vscnprintf+0x80/0x80
[  259.239515][ T5465]  gfs2_fill_super+0x11ed/0x1ea0
[  259.244451][ T5465]  ? gfs2_reconfigure+0xd80/0xd80
[  259.249476][ T5465]  ? sb_set_blocksize+0xa5/0xe0
[  259.254318][ T5465]  get_tree_bdev+0x3e6/0x610
[  259.258919][ T5465]  ? gfs2_reconfigure+0xd80/0xd80
[  259.263935][ T5465]  gfs2_get_tree+0x4d/0x1e0
[  259.268434][ T5465]  vfs_get_tree+0x88/0x270
[  259.272854][ T5465]  do_new_mount+0x247/0xa50
[  259.277374][ T5465]  __se_sys_mount+0x2e3/0x3d0
[  259.282062][ T5465]  ? __x64_sys_mount+0xc0/0xc0
[  259.286915][ T5465]  ? lockdep_hardirqs_on+0x94/0x140
[  259.292192][ T5465]  ? __x64_sys_mount+0x1c/0xc0
[  259.296950][ T5465]  do_syscall_64+0x4c/0xa0
[  259.301361][ T5465]  ? clear_bhb_loop+0x30/0x80
[  259.306047][ T5465]  ? clear_bhb_loop+0x30/0x80
[  259.310821][ T5465]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.316720][ T5465] RIP: 0033:0x7ff37f9770ca
[  259.321159][ T5465] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.340787][ T5465] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.349427][ T5465] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  259.357419][ T5465] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  259.365487][ T5465] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  259.373454][ T5465] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  259.381417][ T5465] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  259.389391][ T5465]  </TASK>
[  259.399677][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.413777][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.781044][ T5467] loop1: detected capacity change from 0 to 32768
[  259.849048][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.856753][ T5467] CPU: 1 PID: 5467 Comm: syz.1.206 Not tainted syzkaller #0
[  259.864085][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  259.874184][ T5467] Call Trace:
[  259.877497][ T5467]  <TASK>
[  259.880446][ T5467]  dump_stack_lvl+0x188/0x250
[  259.885156][ T5467]  ? show_regs_print_info+0x20/0x20
[  259.890815][ T5467]  ? load_image+0x410/0x410
[  259.895405][ T5467]  sysfs_create_dir_ns+0x26a/0x290
[  259.900580][ T5467]  ? sysfs_warn_dup+0xa0/0xa0
[  259.905321][ T5467]  ? do_raw_spin_unlock+0x11d/0x230
[  259.910569][ T5467]  kobject_add_internal+0x5ba/0xcd0
[  259.915803][ T5467]  kobject_init_and_add+0x128/0x190
[  259.921021][ T5467]  ? lockdep_softirqs_off+0x430/0x430
[  259.926425][ T5467]  ? kobject_add+0x230/0x230
[  259.931132][ T5467]  ? __init_swait_queue_head+0xa4/0x140
[  259.936700][ T5467]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.941490][ T5467]  ? gfs2_recover_set+0x240/0x240
[  259.946529][ T5467]  ? snprintf+0xe5/0x140
[  259.950861][ T5467]  ? __free_pages+0x95/0x1a0
[  259.955451][ T5467]  ? vscnprintf+0x80/0x80
[  259.959800][ T5467]  gfs2_fill_super+0x11ed/0x1ea0
[  259.964760][ T5467]  ? gfs2_reconfigure+0xd80/0xd80
[  259.969788][ T5467]  ? sb_set_blocksize+0xa5/0xe0
[  259.974635][ T5467]  get_tree_bdev+0x3e6/0x610
[  259.979219][ T5467]  ? gfs2_reconfigure+0xd80/0xd80
[  259.984245][ T5467]  gfs2_get_tree+0x4d/0x1e0
[  259.988741][ T5467]  vfs_get_tree+0x88/0x270
[  259.993150][ T5467]  do_new_mount+0x247/0xa50
[  259.997658][ T5467]  __se_sys_mount+0x2e3/0x3d0
[  260.002443][ T5467]  ? __x64_sys_mount+0xc0/0xc0
[  260.007196][ T5467]  ? lockdep_hardirqs_on+0x94/0x140
[  260.012383][ T5467]  ? __x64_sys_mount+0x1c/0xc0
[  260.017151][ T5467]  do_syscall_64+0x4c/0xa0
[  260.021560][ T5467]  ? clear_bhb_loop+0x30/0x80
[  260.026223][ T5467]  ? clear_bhb_loop+0x30/0x80
[  260.030892][ T5467]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.036771][ T5467] RIP: 0033:0x7ff37f9770ca
[  260.041183][ T5467] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.060782][ T5467] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.069194][ T5467] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  260.077156][ T5467] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  260.085116][ T5467] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  260.093077][ T5467] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  260.101036][ T5467] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  260.109028][ T5467]  </TASK>
[  260.114195][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.127510][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/11/08 10:17:02 executed programs: 192
[  260.495932][ T5469] loop1: detected capacity change from 0 to 32768
[  260.541991][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.559375][ T5469] CPU: 1 PID: 5469 Comm: syz.1.207 Not tainted syzkaller #0
[  260.566710][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  260.576789][ T5469] Call Trace:
[  260.580104][ T5469]  <TASK>
[  260.583055][ T5469]  dump_stack_lvl+0x188/0x250
[  260.587764][ T5469]  ? show_regs_print_info+0x20/0x20
[  260.592997][ T5469]  ? load_image+0x410/0x410
[  260.597546][ T5469]  sysfs_create_dir_ns+0x26a/0x290
[  260.602683][ T5469]  ? sysfs_warn_dup+0xa0/0xa0
[  260.607386][ T5469]  ? do_raw_spin_unlock+0x11d/0x230
[  260.612615][ T5469]  kobject_add_internal+0x5ba/0xcd0
[  260.617934][ T5469]  kobject_init_and_add+0x128/0x190
[  260.623259][ T5469]  ? lockdep_softirqs_off+0x430/0x430
[  260.628681][ T5469]  ? kobject_add+0x230/0x230
[  260.633322][ T5469]  ? __init_swait_queue_head+0xa4/0x140
[  260.638873][ T5469]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.643638][ T5469]  ? gfs2_recover_set+0x240/0x240
[  260.648650][ T5469]  ? snprintf+0xe5/0x140
[  260.652890][ T5469]  ? __free_pages+0x95/0x1a0
[  260.657494][ T5469]  ? vscnprintf+0x80/0x80
[  260.661827][ T5469]  gfs2_fill_super+0x11ed/0x1ea0
[  260.666846][ T5469]  ? gfs2_reconfigure+0xd80/0xd80
[  260.671870][ T5469]  ? sb_set_blocksize+0xa5/0xe0
[  260.676713][ T5469]  get_tree_bdev+0x3e6/0x610
[  260.681317][ T5469]  ? gfs2_reconfigure+0xd80/0xd80
[  260.686347][ T5469]  gfs2_get_tree+0x4d/0x1e0
[  260.690864][ T5469]  vfs_get_tree+0x88/0x270
[  260.695280][ T5469]  do_new_mount+0x247/0xa50
[  260.699796][ T5469]  __se_sys_mount+0x2e3/0x3d0
[  260.704568][ T5469]  ? __x64_sys_mount+0xc0/0xc0
[  260.709329][ T5469]  ? lockdep_hardirqs_on+0x94/0x140
[  260.714518][ T5469]  ? __x64_sys_mount+0x1c/0xc0
[  260.719282][ T5469]  do_syscall_64+0x4c/0xa0
[  260.723796][ T5469]  ? clear_bhb_loop+0x30/0x80
[  260.728462][ T5469]  ? clear_bhb_loop+0x30/0x80
[  260.733388][ T5469]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.739300][ T5469] RIP: 0033:0x7ff37f9770ca
[  260.743707][ T5469] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.763304][ T5469] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.771720][ T5469] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  260.779695][ T5469] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  260.787675][ T5469] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  260.795809][ T5469] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  260.803770][ T5469] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  260.811742][ T5469]  </TASK>
[  260.817810][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.831200][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.203123][ T5471] loop1: detected capacity change from 0 to 32768
[  261.253444][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.266998][ T5471] CPU: 0 PID: 5471 Comm: syz.1.208 Not tainted syzkaller #0
[  261.274330][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  261.284411][ T5471] Call Trace:
[  261.287800][ T5471]  <TASK>
[  261.290753][ T5471]  dump_stack_lvl+0x188/0x250
[  261.295478][ T5471]  ? show_regs_print_info+0x20/0x20
[  261.300751][ T5471]  ? load_image+0x410/0x410
[  261.305310][ T5471]  sysfs_create_dir_ns+0x26a/0x290
[  261.310447][ T5471]  ? sysfs_warn_dup+0xa0/0xa0
[  261.315202][ T5471]  ? do_raw_spin_unlock+0x11d/0x230
[  261.320522][ T5471]  kobject_add_internal+0x5ba/0xcd0
[  261.325780][ T5471]  kobject_init_and_add+0x128/0x190
[  261.331011][ T5471]  ? lockdep_softirqs_off+0x430/0x430
[  261.336507][ T5471]  ? kobject_add+0x230/0x230
[  261.341133][ T5471]  ? __init_swait_queue_head+0xa4/0x140
[  261.346712][ T5471]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.351505][ T5471]  ? gfs2_recover_set+0x240/0x240
[  261.356641][ T5471]  ? snprintf+0xe5/0x140
[  261.360908][ T5471]  ? __free_pages+0x95/0x1a0
[  261.365528][ T5471]  ? vscnprintf+0x80/0x80
[  261.369902][ T5471]  gfs2_fill_super+0x11ed/0x1ea0
[  261.374841][ T5471]  ? gfs2_reconfigure+0xd80/0xd80
[  261.379883][ T5471]  ? sb_set_blocksize+0xa5/0xe0
[  261.384731][ T5471]  get_tree_bdev+0x3e6/0x610
[  261.389339][ T5471]  ? gfs2_reconfigure+0xd80/0xd80
[  261.394365][ T5471]  gfs2_get_tree+0x4d/0x1e0
[  261.398869][ T5471]  vfs_get_tree+0x88/0x270
[  261.403305][ T5471]  do_new_mount+0x247/0xa50
[  261.407804][ T5471]  __se_sys_mount+0x2e3/0x3d0
[  261.412473][ T5471]  ? __x64_sys_mount+0xc0/0xc0
[  261.417244][ T5471]  ? lockdep_hardirqs_on+0x94/0x140
[  261.422430][ T5471]  ? __x64_sys_mount+0x1c/0xc0
[  261.427184][ T5471]  do_syscall_64+0x4c/0xa0
[  261.431591][ T5471]  ? clear_bhb_loop+0x30/0x80
[  261.436260][ T5471]  ? clear_bhb_loop+0x30/0x80
[  261.440926][ T5471]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.446914][ T5471] RIP: 0033:0x7ff37f9770ca
[  261.451324][ T5471] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.471017][ T5471] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.479441][ T5471] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  261.487429][ T5471] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  261.495410][ T5471] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  261.503384][ T5471] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  261.511355][ T5471] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  261.519576][ T5471]  </TASK>
[  261.527235][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.541772][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.908675][ T5473] loop1: detected capacity change from 0 to 32768
[  261.958715][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.966169][ T5473] CPU: 1 PID: 5473 Comm: syz.1.209 Not tainted syzkaller #0
[  261.973481][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  261.983562][ T5473] Call Trace:
[  261.986871][ T5473]  <TASK>
[  261.989821][ T5473]  dump_stack_lvl+0x188/0x250
[  261.994526][ T5473]  ? show_regs_print_info+0x20/0x20
[  261.999755][ T5473]  ? load_image+0x410/0x410
[  262.004307][ T5473]  sysfs_create_dir_ns+0x26a/0x290
[  262.009446][ T5473]  ? sysfs_warn_dup+0xa0/0xa0
[  262.014187][ T5473]  ? do_raw_spin_unlock+0x11d/0x230
[  262.019509][ T5473]  kobject_add_internal+0x5ba/0xcd0
[  262.024744][ T5473]  kobject_init_and_add+0x128/0x190
[  262.029988][ T5473]  ? lockdep_softirqs_off+0x430/0x430
[  262.035404][ T5473]  ? kobject_add+0x230/0x230
[  262.040025][ T5473]  ? __init_swait_queue_head+0xa4/0x140
[  262.045594][ T5473]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.050363][ T5473]  ? gfs2_recover_set+0x240/0x240
[  262.055380][ T5473]  ? snprintf+0xe5/0x140
[  262.059657][ T5473]  ? __free_pages+0x95/0x1a0
[  262.064266][ T5473]  ? vscnprintf+0x80/0x80
[  262.068612][ T5473]  gfs2_fill_super+0x11ed/0x1ea0
[  262.073579][ T5473]  ? gfs2_reconfigure+0xd80/0xd80
[  262.078608][ T5473]  ? sb_set_blocksize+0xa5/0xe0
[  262.083451][ T5473]  get_tree_bdev+0x3e6/0x610
[  262.088039][ T5473]  ? gfs2_reconfigure+0xd80/0xd80
[  262.093075][ T5473]  gfs2_get_tree+0x4d/0x1e0
[  262.097590][ T5473]  vfs_get_tree+0x88/0x270
[  262.102096][ T5473]  do_new_mount+0x247/0xa50
[  262.106612][ T5473]  __se_sys_mount+0x2e3/0x3d0
[  262.111288][ T5473]  ? __x64_sys_mount+0xc0/0xc0
[  262.116047][ T5473]  ? lockdep_hardirqs_on+0x94/0x140
[  262.121239][ T5473]  ? __x64_sys_mount+0x1c/0xc0
[  262.126031][ T5473]  do_syscall_64+0x4c/0xa0
[  262.130487][ T5473]  ? clear_bhb_loop+0x30/0x80
[  262.135181][ T5473]  ? clear_bhb_loop+0x30/0x80
[  262.139869][ T5473]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.145766][ T5473] RIP: 0033:0x7ff37f9770ca
[  262.150190][ T5473] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.169794][ T5473] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.178205][ T5473] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  262.186172][ T5473] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  262.194322][ T5473] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  262.202289][ T5473] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  262.210255][ T5473] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  262.218241][ T5473]  </TASK>
[  262.222803][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.236138][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.593298][ T5475] loop1: detected capacity change from 0 to 32768
[  262.607724][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.615136][ T5475] CPU: 0 PID: 5475 Comm: syz.1.210 Not tainted syzkaller #0
[  262.622446][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  262.632531][ T5475] Call Trace:
[  262.635830][ T5475]  <TASK>
[  262.638793][ T5475]  dump_stack_lvl+0x188/0x250
[  262.643508][ T5475]  ? show_regs_print_info+0x20/0x20
[  262.648740][ T5475]  ? load_image+0x410/0x410
[  262.653286][ T5475]  sysfs_create_dir_ns+0x26a/0x290
[  262.658430][ T5475]  ? sysfs_warn_dup+0xa0/0xa0
[  262.663138][ T5475]  ? do_raw_spin_unlock+0x11d/0x230
[  262.668368][ T5475]  kobject_add_internal+0x5ba/0xcd0
[  262.673605][ T5475]  kobject_init_and_add+0x128/0x190
[  262.678830][ T5475]  ? lockdep_softirqs_off+0x430/0x430
[  262.684323][ T5475]  ? kobject_add+0x230/0x230
[  262.688947][ T5475]  ? __init_swait_queue_head+0xa4/0x140
[  262.694531][ T5475]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.699323][ T5475]  ? gfs2_recover_set+0x240/0x240
[  262.704456][ T5475]  ? snprintf+0xe5/0x140
[  262.708724][ T5475]  ? __free_pages+0x95/0x1a0
[  262.713334][ T5475]  ? vscnprintf+0x80/0x80
[  262.717683][ T5475]  gfs2_fill_super+0x11ed/0x1ea0
[  262.722645][ T5475]  ? gfs2_reconfigure+0xd80/0xd80
[  262.727758][ T5475]  ? sb_set_blocksize+0xa5/0xe0
[  262.732603][ T5475]  get_tree_bdev+0x3e6/0x610
[  262.737202][ T5475]  ? gfs2_reconfigure+0xd80/0xd80
[  262.742226][ T5475]  gfs2_get_tree+0x4d/0x1e0
[  262.746749][ T5475]  vfs_get_tree+0x88/0x270
[  262.751166][ T5475]  do_new_mount+0x247/0xa50
[  262.755682][ T5475]  __se_sys_mount+0x2e3/0x3d0
[  262.760375][ T5475]  ? __x64_sys_mount+0xc0/0xc0
[  262.765145][ T5475]  ? lockdep_hardirqs_on+0x94/0x140
[  262.770340][ T5475]  ? __x64_sys_mount+0x1c/0xc0
[  262.775114][ T5475]  do_syscall_64+0x4c/0xa0
[  262.779533][ T5475]  ? clear_bhb_loop+0x30/0x80
[  262.784226][ T5475]  ? clear_bhb_loop+0x30/0x80
[  262.788893][ T5475]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.794788][ T5475] RIP: 0033:0x7ff37f9770ca
[  262.799204][ T5475] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.818837][ T5475] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.827292][ T5475] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  262.835272][ T5475] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  262.843246][ T5475] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  262.851211][ T5475] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  262.859182][ T5475] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  262.867189][ T5475]  </TASK>
[  262.871708][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.885079][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.236143][ T5477] loop1: detected capacity change from 0 to 32768
[  263.278720][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.286245][ T5477] CPU: 0 PID: 5477 Comm: syz.1.211 Not tainted syzkaller #0
[  263.293651][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  263.303744][ T5477] Call Trace:
[  263.307165][ T5477]  <TASK>
[  263.310260][ T5477]  dump_stack_lvl+0x188/0x250
[  263.314981][ T5477]  ? show_regs_print_info+0x20/0x20
[  263.320223][ T5477]  ? load_image+0x410/0x410
[  263.324871][ T5477]  sysfs_create_dir_ns+0x26a/0x290
[  263.330107][ T5477]  ? sysfs_warn_dup+0xa0/0xa0
[  263.334822][ T5477]  ? do_raw_spin_unlock+0x11d/0x230
[  263.340048][ T5477]  kobject_add_internal+0x5ba/0xcd0
[  263.345287][ T5477]  kobject_init_and_add+0x128/0x190
[  263.350512][ T5477]  ? lockdep_softirqs_off+0x430/0x430
[  263.355923][ T5477]  ? kobject_add+0x230/0x230
[  263.360543][ T5477]  ? __init_swait_queue_head+0xa4/0x140
[  263.366207][ T5477]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.370996][ T5477]  ? gfs2_recover_set+0x240/0x240
[  263.376152][ T5477]  ? snprintf+0xe5/0x140
[  263.380490][ T5477]  ? __free_pages+0x95/0x1a0
[  263.385084][ T5477]  ? vscnprintf+0x80/0x80
[  263.389418][ T5477]  gfs2_fill_super+0x11ed/0x1ea0
[  263.394359][ T5477]  ? gfs2_reconfigure+0xd80/0xd80
[  263.399389][ T5477]  ? sb_set_blocksize+0xa5/0xe0
[  263.404234][ T5477]  get_tree_bdev+0x3e6/0x610
[  263.408823][ T5477]  ? gfs2_reconfigure+0xd80/0xd80
[  263.414195][ T5477]  gfs2_get_tree+0x4d/0x1e0
[  263.418701][ T5477]  vfs_get_tree+0x88/0x270
[  263.423114][ T5477]  do_new_mount+0x247/0xa50
[  263.427629][ T5477]  __se_sys_mount+0x2e3/0x3d0
[  263.432350][ T5477]  ? __x64_sys_mount+0xc0/0xc0
[  263.437124][ T5477]  ? lockdep_hardirqs_on+0x94/0x140
[  263.442330][ T5477]  ? __x64_sys_mount+0x1c/0xc0
[  263.447182][ T5477]  do_syscall_64+0x4c/0xa0
[  263.451676][ T5477]  ? clear_bhb_loop+0x30/0x80
[  263.456344][ T5477]  ? clear_bhb_loop+0x30/0x80
[  263.461010][ T5477]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.466893][ T5477] RIP: 0033:0x7ff37f9770ca
[  263.471298][ T5477] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  263.490894][ T5477] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.499300][ T5477] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  263.507262][ T5477] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  263.515222][ T5477] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  263.523289][ T5477] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  263.531253][ T5477] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  263.539242][ T5477]  </TASK>
[  263.543883][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.557094][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.925167][ T5479] loop1: detected capacity change from 0 to 32768
[  263.989276][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.996699][ T5479] CPU: 0 PID: 5479 Comm: syz.1.212 Not tainted syzkaller #0
[  264.004019][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  264.014097][ T5479] Call Trace:
[  264.017400][ T5479]  <TASK>
[  264.020353][ T5479]  dump_stack_lvl+0x188/0x250
[  264.025066][ T5479]  ? show_regs_print_info+0x20/0x20
[  264.030293][ T5479]  ? load_image+0x410/0x410
[  264.034843][ T5479]  sysfs_create_dir_ns+0x26a/0x290
[  264.039992][ T5479]  ? sysfs_warn_dup+0xa0/0xa0
[  264.044701][ T5479]  ? do_raw_spin_unlock+0x11d/0x230
[  264.049930][ T5479]  kobject_add_internal+0x5ba/0xcd0
[  264.055160][ T5479]  kobject_init_and_add+0x128/0x190
[  264.060378][ T5479]  ? lockdep_softirqs_off+0x430/0x430
[  264.065784][ T5479]  ? kobject_add+0x230/0x230
[  264.070405][ T5479]  ? __init_swait_queue_head+0xa4/0x140
[  264.075981][ T5479]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.080769][ T5479]  ? gfs2_recover_set+0x240/0x240
[  264.085811][ T5479]  ? snprintf+0xe5/0x140
[  264.090310][ T5479]  ? __free_pages+0x95/0x1a0
[  264.094911][ T5479]  ? vscnprintf+0x80/0x80
[  264.099255][ T5479]  gfs2_fill_super+0x11ed/0x1ea0
[  264.104193][ T5479]  ? gfs2_reconfigure+0xd80/0xd80
[  264.109236][ T5479]  ? sb_set_blocksize+0xa5/0xe0
[  264.114079][ T5479]  get_tree_bdev+0x3e6/0x610
[  264.118766][ T5479]  ? gfs2_reconfigure+0xd80/0xd80
[  264.123790][ T5479]  gfs2_get_tree+0x4d/0x1e0
[  264.128321][ T5479]  vfs_get_tree+0x88/0x270
[  264.132767][ T5479]  do_new_mount+0x247/0xa50
[  264.137308][ T5479]  __se_sys_mount+0x2e3/0x3d0
[  264.142002][ T5479]  ? __x64_sys_mount+0xc0/0xc0
[  264.146772][ T5479]  ? lockdep_hardirqs_on+0x94/0x140
[  264.151977][ T5479]  ? __x64_sys_mount+0x1c/0xc0
[  264.156741][ T5479]  do_syscall_64+0x4c/0xa0
[  264.161156][ T5479]  ? clear_bhb_loop+0x30/0x80
[  264.165828][ T5479]  ? clear_bhb_loop+0x30/0x80
[  264.170651][ T5479]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.176648][ T5479] RIP: 0033:0x7ff37f9770ca
[  264.181063][ T5479] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.200660][ T5479] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.209092][ T5479] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  264.217054][ T5479] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  264.225012][ T5479] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  264.232973][ T5479] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  264.240934][ T5479] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  264.248921][ T5479]  </TASK>
[  264.253088][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.266348][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.611883][ T5481] loop1: detected capacity change from 0 to 32768
[  264.698321][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.705747][ T5481] CPU: 1 PID: 5481 Comm: syz.1.213 Not tainted syzkaller #0
[  264.713148][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  264.723233][ T5481] Call Trace:
[  264.726709][ T5481]  <TASK>
[  264.729657][ T5481]  dump_stack_lvl+0x188/0x250
[  264.734467][ T5481]  ? show_regs_print_info+0x20/0x20
[  264.739703][ T5481]  ? load_image+0x410/0x410
[  264.744253][ T5481]  sysfs_create_dir_ns+0x26a/0x290
[  264.749397][ T5481]  ? sysfs_warn_dup+0xa0/0xa0
[  264.754105][ T5481]  ? do_raw_spin_unlock+0x11d/0x230
[  264.759330][ T5481]  kobject_add_internal+0x5ba/0xcd0
[  264.764561][ T5481]  kobject_init_and_add+0x128/0x190
[  264.769785][ T5481]  ? lockdep_softirqs_off+0x430/0x430
[  264.775184][ T5481]  ? kobject_add+0x230/0x230
[  264.779800][ T5481]  ? __init_swait_queue_head+0xa4/0x140
[  264.785389][ T5481]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.790149][ T5481]  ? gfs2_recover_set+0x240/0x240
[  264.795168][ T5481]  ? snprintf+0xe5/0x140
[  264.799400][ T5481]  ? __free_pages+0x95/0x1a0
[  264.803980][ T5481]  ? vscnprintf+0x80/0x80
[  264.808320][ T5481]  gfs2_fill_super+0x11ed/0x1ea0
[  264.813280][ T5481]  ? gfs2_reconfigure+0xd80/0xd80
[  264.818308][ T5481]  ? sb_set_blocksize+0xa5/0xe0
[  264.823151][ T5481]  get_tree_bdev+0x3e6/0x610
[  264.827748][ T5481]  ? gfs2_reconfigure+0xd80/0xd80
[  264.832762][ T5481]  gfs2_get_tree+0x4d/0x1e0
[  264.837252][ T5481]  vfs_get_tree+0x88/0x270
[  264.841673][ T5481]  do_new_mount+0x247/0xa50
[  264.846176][ T5481]  __se_sys_mount+0x2e3/0x3d0
[  264.850845][ T5481]  ? __x64_sys_mount+0xc0/0xc0
[  264.855599][ T5481]  ? lockdep_hardirqs_on+0x94/0x140
[  264.860786][ T5481]  ? __x64_sys_mount+0x1c/0xc0
[  264.865540][ T5481]  do_syscall_64+0x4c/0xa0
[  264.869943][ T5481]  ? clear_bhb_loop+0x30/0x80
[  264.874607][ T5481]  ? clear_bhb_loop+0x30/0x80
[  264.879272][ T5481]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.885154][ T5481] RIP: 0033:0x7ff37f9770ca
[  264.889559][ T5481] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.909164][ T5481] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.917566][ T5481] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  264.925524][ T5481] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  264.933480][ T5481] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  264.941441][ T5481] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  264.949396][ T5481] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  264.957366][ T5481]  </TASK>
[  264.962025][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.975323][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.346140][ T5483] loop1: detected capacity change from 0 to 32768
[  265.392881][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.401410][ T5483] CPU: 0 PID: 5483 Comm: syz.1.214 Not tainted syzkaller #0
[  265.408826][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  265.418911][ T5483] Call Trace:
[  265.422216][ T5483]  <TASK>
[  265.425165][ T5483]  dump_stack_lvl+0x188/0x250
[  265.429883][ T5483]  ? show_regs_print_info+0x20/0x20
[  265.435103][ T5483]  ? load_image+0x410/0x410
[  265.439640][ T5483]  sysfs_create_dir_ns+0x26a/0x290
[  265.444781][ T5483]  ? sysfs_warn_dup+0xa0/0xa0
[  265.449488][ T5483]  ? do_raw_spin_unlock+0x11d/0x230
[  265.454720][ T5483]  kobject_add_internal+0x5ba/0xcd0
[  265.459948][ T5483]  kobject_init_and_add+0x128/0x190
[  265.465166][ T5483]  ? lockdep_softirqs_off+0x430/0x430
[  265.470572][ T5483]  ? kobject_add+0x230/0x230
[  265.475196][ T5483]  ? __init_swait_queue_head+0xa4/0x140
[  265.480771][ T5483]  gfs2_sys_fs_add+0x24f/0x4b0
[  265.485557][ T5483]  ? gfs2_recover_set+0x240/0x240
[  265.490578][ T5483]  ? snprintf+0xe5/0x140
[  265.494812][ T5483]  ? __free_pages+0x95/0x1a0
[  265.499393][ T5483]  ? vscnprintf+0x80/0x80
[  265.503720][ T5483]  gfs2_fill_super+0x11ed/0x1ea0
[  265.508661][ T5483]  ? gfs2_reconfigure+0xd80/0xd80
[  265.513692][ T5483]  ? sb_set_blocksize+0xa5/0xe0
[  265.518535][ T5483]  get_tree_bdev+0x3e6/0x610
[  265.523124][ T5483]  ? gfs2_reconfigure+0xd80/0xd80
[  265.528140][ T5483]  gfs2_get_tree+0x4d/0x1e0
[  265.532651][ T5483]  vfs_get_tree+0x88/0x270
[  265.537072][ T5483]  do_new_mount+0x247/0xa50
[  265.541571][ T5483]  __se_sys_mount+0x2e3/0x3d0
[  265.546242][ T5483]  ? __x64_sys_mount+0xc0/0xc0
[  265.551008][ T5483]  ? lockdep_hardirqs_on+0x94/0x140
[  265.556282][ T5483]  ? __x64_sys_mount+0x1c/0xc0
[  265.561035][ T5483]  do_syscall_64+0x4c/0xa0
[  265.565440][ T5483]  ? clear_bhb_loop+0x30/0x80
[  265.570106][ T5483]  ? clear_bhb_loop+0x30/0x80
[  265.574791][ T5483]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.580678][ T5483] RIP: 0033:0x7ff37f9770ca
[  265.585113][ T5483] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  265.604897][ T5483] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.613320][ T5483] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  265.621289][ T5483] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  265.629251][ T5483] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  265.637403][ T5483] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  265.645369][ T5483] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  265.653346][ T5483]  </TASK>
[  265.657691][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.670944][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/11/08 10:17:07 executed programs: 200
[  266.191219][ T5485] loop1: detected capacity change from 0 to 32768
[  266.213712][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.239830][ T5485] CPU: 1 PID: 5485 Comm: syz.1.215 Not tainted syzkaller #0
[  266.247255][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  266.257330][ T5485] Call Trace:
[  266.260621][ T5485]  <TASK>
[  266.263657][ T5485]  dump_stack_lvl+0x188/0x250
[  266.268364][ T5485]  ? show_regs_print_info+0x20/0x20
[  266.273586][ T5485]  ? load_image+0x410/0x410
[  266.278122][ T5485]  sysfs_create_dir_ns+0x26a/0x290
[  266.283268][ T5485]  ? sysfs_warn_dup+0xa0/0xa0
[  266.287969][ T5485]  ? do_raw_spin_unlock+0x11d/0x230
[  266.293369][ T5485]  kobject_add_internal+0x5ba/0xcd0
[  266.298592][ T5485]  kobject_init_and_add+0x128/0x190
[  266.303813][ T5485]  ? lockdep_softirqs_off+0x430/0x430
[  266.309385][ T5485]  ? kobject_add+0x230/0x230
[  266.314010][ T5485]  ? __init_swait_queue_head+0xa4/0x140
[  266.319607][ T5485]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.324424][ T5485]  ? gfs2_recover_set+0x240/0x240
[  266.329473][ T5485]  ? snprintf+0xe5/0x140
[  266.333734][ T5485]  ? __free_pages+0x95/0x1a0
[  266.338347][ T5485]  ? vscnprintf+0x80/0x80
[  266.342712][ T5485]  gfs2_fill_super+0x11ed/0x1ea0
[  266.347681][ T5485]  ? gfs2_reconfigure+0xd80/0xd80
[  266.352747][ T5485]  ? sb_set_blocksize+0xa5/0xe0
[  266.357724][ T5485]  get_tree_bdev+0x3e6/0x610
[  266.362344][ T5485]  ? gfs2_reconfigure+0xd80/0xd80
[  266.367403][ T5485]  gfs2_get_tree+0x4d/0x1e0
[  266.371931][ T5485]  vfs_get_tree+0x88/0x270
[  266.376378][ T5485]  do_new_mount+0x247/0xa50
[  266.380997][ T5485]  __se_sys_mount+0x2e3/0x3d0
[  266.385706][ T5485]  ? __x64_sys_mount+0xc0/0xc0
[  266.390505][ T5485]  ? lockdep_hardirqs_on+0x94/0x140
[  266.395725][ T5485]  ? __x64_sys_mount+0x1c/0xc0
[  266.400523][ T5485]  do_syscall_64+0x4c/0xa0
[  266.404959][ T5485]  ? clear_bhb_loop+0x30/0x80
[  266.409663][ T5485]  ? clear_bhb_loop+0x30/0x80
[  266.414361][ T5485]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.420291][ T5485] RIP: 0033:0x7ff37f9770ca
[  266.424696][ T5485] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.444296][ T5485] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.452713][ T5485] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  266.460687][ T5485] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  266.468667][ T5485] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  266.476633][ T5485] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  266.484603][ T5485] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  266.492592][ T5485]  </TASK>
[  266.497023][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.510450][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.896175][ T5487] loop1: detected capacity change from 0 to 32768
[  266.915578][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.923861][ T5487] CPU: 1 PID: 5487 Comm: syz.1.216 Not tainted syzkaller #0
[  266.931189][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  266.941272][ T5487] Call Trace:
[  266.944579][ T5487]  <TASK>
[  266.947535][ T5487]  dump_stack_lvl+0x188/0x250
[  266.952247][ T5487]  ? show_regs_print_info+0x20/0x20
[  266.957478][ T5487]  ? load_image+0x410/0x410
[  266.962023][ T5487]  sysfs_create_dir_ns+0x26a/0x290
[  266.967168][ T5487]  ? sysfs_warn_dup+0xa0/0xa0
[  266.972049][ T5487]  ? do_raw_spin_unlock+0x11d/0x230
[  266.977279][ T5487]  kobject_add_internal+0x5ba/0xcd0
[  266.982509][ T5487]  kobject_init_and_add+0x128/0x190
[  266.987733][ T5487]  ? lockdep_softirqs_off+0x430/0x430
[  266.993139][ T5487]  ? kobject_add+0x230/0x230
[  266.997757][ T5487]  ? __init_swait_queue_head+0xa4/0x140
[  267.003381][ T5487]  gfs2_sys_fs_add+0x24f/0x4b0
[  267.008151][ T5487]  ? gfs2_recover_set+0x240/0x240
[  267.013166][ T5487]  ? snprintf+0xe5/0x140
[  267.017414][ T5487]  ? __free_pages+0x95/0x1a0
[  267.022011][ T5487]  ? vscnprintf+0x80/0x80
[  267.026340][ T5487]  gfs2_fill_super+0x11ed/0x1ea0
[  267.031365][ T5487]  ? gfs2_reconfigure+0xd80/0xd80
[  267.036396][ T5487]  ? sb_set_blocksize+0xa5/0xe0
[  267.041242][ T5487]  get_tree_bdev+0x3e6/0x610
[  267.045824][ T5487]  ? gfs2_reconfigure+0xd80/0xd80
[  267.050865][ T5487]  gfs2_get_tree+0x4d/0x1e0
[  267.055362][ T5487]  vfs_get_tree+0x88/0x270
[  267.059772][ T5487]  do_new_mount+0x247/0xa50
[  267.064269][ T5487]  __se_sys_mount+0x2e3/0x3d0
[  267.068939][ T5487]  ? __x64_sys_mount+0xc0/0xc0
[  267.073694][ T5487]  ? lockdep_hardirqs_on+0x94/0x140
[  267.078893][ T5487]  ? __x64_sys_mount+0x1c/0xc0
[  267.083671][ T5487]  do_syscall_64+0x4c/0xa0
[  267.088076][ T5487]  ? clear_bhb_loop+0x30/0x80
[  267.092743][ T5487]  ? clear_bhb_loop+0x30/0x80
[  267.097418][ T5487]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.103325][ T5487] RIP: 0033:0x7ff37f9770ca
[  267.107765][ T5487] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  267.127367][ T5487] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.135774][ T5487] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  267.143737][ T5487] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  267.151696][ T5487] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  267.159670][ T5487] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  267.167635][ T5487] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  267.175610][ T5487]  </TASK>
[  267.181109][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.194359][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.570118][ T5489] loop1: detected capacity change from 0 to 32768
[  267.616691][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.626034][ T5489] CPU: 1 PID: 5489 Comm: syz.1.217 Not tainted syzkaller #0
[  267.633357][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  267.643436][ T5489] Call Trace:
[  267.646734][ T5489]  <TASK>
[  267.649685][ T5489]  dump_stack_lvl+0x188/0x250
[  267.654396][ T5489]  ? show_regs_print_info+0x20/0x20
[  267.659618][ T5489]  ? load_image+0x410/0x410
[  267.664177][ T5489]  sysfs_create_dir_ns+0x26a/0x290
[  267.669320][ T5489]  ? sysfs_warn_dup+0xa0/0xa0
[  267.674025][ T5489]  ? do_raw_spin_unlock+0x11d/0x230
[  267.679257][ T5489]  kobject_add_internal+0x5ba/0xcd0
[  267.684487][ T5489]  kobject_init_and_add+0x128/0x190
[  267.689716][ T5489]  ? lockdep_softirqs_off+0x430/0x430
[  267.695120][ T5489]  ? kobject_add+0x230/0x230
[  267.699747][ T5489]  ? __init_swait_queue_head+0xa4/0x140
[  267.705341][ T5489]  gfs2_sys_fs_add+0x24f/0x4b0
[  267.710106][ T5489]  ? gfs2_recover_set+0x240/0x240
[  267.715129][ T5489]  ? snprintf+0xe5/0x140
[  267.719372][ T5489]  ? __free_pages+0x95/0x1a0
[  267.723975][ T5489]  ? vscnprintf+0x80/0x80
[  267.728319][ T5489]  gfs2_fill_super+0x11ed/0x1ea0
[  267.733280][ T5489]  ? gfs2_reconfigure+0xd80/0xd80
[  267.738307][ T5489]  ? sb_set_blocksize+0xa5/0xe0
[  267.743157][ T5489]  get_tree_bdev+0x3e6/0x610
[  267.747757][ T5489]  ? gfs2_reconfigure+0xd80/0xd80
[  267.752772][ T5489]  gfs2_get_tree+0x4d/0x1e0
[  267.757266][ T5489]  vfs_get_tree+0x88/0x270
[  267.761671][ T5489]  do_new_mount+0x247/0xa50
[  267.766173][ T5489]  __se_sys_mount+0x2e3/0x3d0
[  267.770843][ T5489]  ? __x64_sys_mount+0xc0/0xc0
[  267.775598][ T5489]  ? lockdep_hardirqs_on+0x94/0x140
[  267.780793][ T5489]  ? __x64_sys_mount+0x1c/0xc0
[  267.785577][ T5489]  do_syscall_64+0x4c/0xa0
[  267.790016][ T5489]  ? clear_bhb_loop+0x30/0x80
[  267.794684][ T5489]  ? clear_bhb_loop+0x30/0x80
[  267.799350][ T5489]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.805317][ T5489] RIP: 0033:0x7ff37f9770ca
[  267.809740][ T5489] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  267.829344][ T5489] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.837774][ T5489] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  267.845738][ T5489] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  267.853715][ T5489] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  267.861676][ T5489] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  267.869636][ T5489] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  267.877618][ T5489]  </TASK>
[  267.882242][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.895418][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.260183][ T5491] loop1: detected capacity change from 0 to 32768
[  268.313104][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.320826][ T5491] CPU: 0 PID: 5491 Comm: syz.1.218 Not tainted syzkaller #0
[  268.328162][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  268.338288][ T5491] Call Trace:
[  268.341594][ T5491]  <TASK>
[  268.344544][ T5491]  dump_stack_lvl+0x188/0x250
[  268.349349][ T5491]  ? show_regs_print_info+0x20/0x20
[  268.354576][ T5491]  ? load_image+0x410/0x410
[  268.359276][ T5491]  sysfs_create_dir_ns+0x26a/0x290
[  268.364427][ T5491]  ? sysfs_warn_dup+0xa0/0xa0
[  268.369142][ T5491]  ? do_raw_spin_unlock+0x11d/0x230
[  268.374378][ T5491]  kobject_add_internal+0x5ba/0xcd0
[  268.379622][ T5491]  kobject_init_and_add+0x128/0x190
[  268.384846][ T5491]  ? lockdep_softirqs_off+0x430/0x430
[  268.390247][ T5491]  ? kobject_add+0x230/0x230
[  268.394867][ T5491]  ? __init_swait_queue_head+0xa4/0x140
[  268.400442][ T5491]  gfs2_sys_fs_add+0x24f/0x4b0
[  268.405225][ T5491]  ? gfs2_recover_set+0x240/0x240
[  268.410254][ T5491]  ? snprintf+0xe5/0x140
[  268.414505][ T5491]  ? __free_pages+0x95/0x1a0
[  268.419100][ T5491]  ? vscnprintf+0x80/0x80
[  268.423564][ T5491]  gfs2_fill_super+0x11ed/0x1ea0
[  268.428537][ T5491]  ? gfs2_reconfigure+0xd80/0xd80
[  268.433773][ T5491]  ? sb_set_blocksize+0xa5/0xe0
[  268.438633][ T5491]  get_tree_bdev+0x3e6/0x610
[  268.443222][ T5491]  ? gfs2_reconfigure+0xd80/0xd80
[  268.448252][ T5491]  gfs2_get_tree+0x4d/0x1e0
[  268.452772][ T5491]  vfs_get_tree+0x88/0x270
[  268.457181][ T5491]  do_new_mount+0x247/0xa50
[  268.461682][ T5491]  __se_sys_mount+0x2e3/0x3d0
[  268.466353][ T5491]  ? __x64_sys_mount+0xc0/0xc0
[  268.471108][ T5491]  ? lockdep_hardirqs_on+0x94/0x140
[  268.476296][ T5491]  ? __x64_sys_mount+0x1c/0xc0
[  268.481048][ T5491]  do_syscall_64+0x4c/0xa0
[  268.485452][ T5491]  ? clear_bhb_loop+0x30/0x80
[  268.490115][ T5491]  ? clear_bhb_loop+0x30/0x80
[  268.494782][ T5491]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.500665][ T5491] RIP: 0033:0x7ff37f9770ca
[  268.505075][ T5491] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.524688][ T5491] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.533117][ T5491] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  268.541259][ T5491] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  268.549246][ T5491] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  268.557237][ T5491] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  268.565203][ T5491] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  268.573176][ T5491]  </TASK>
[  268.578164][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.591352][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.999635][ T5493] loop1: detected capacity change from 0 to 32768
[  269.082061][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.090929][ T5493] CPU: 1 PID: 5493 Comm: syz.1.219 Not tainted syzkaller #0
[  269.098337][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  269.108419][ T5493] Call Trace:
[  269.111727][ T5493]  <TASK>
[  269.114682][ T5493]  dump_stack_lvl+0x188/0x250
[  269.119398][ T5493]  ? show_regs_print_info+0x20/0x20
[  269.124622][ T5493]  ? load_image+0x410/0x410
[  269.129168][ T5493]  sysfs_create_dir_ns+0x26a/0x290
[  269.134295][ T5493]  ? sysfs_warn_dup+0xa0/0xa0
[  269.138977][ T5493]  ? do_raw_spin_unlock+0x11d/0x230
[  269.144168][ T5493]  kobject_add_internal+0x5ba/0xcd0
[  269.149362][ T5493]  kobject_init_and_add+0x128/0x190
[  269.154565][ T5493]  ? lockdep_softirqs_off+0x430/0x430
[  269.159933][ T5493]  ? kobject_add+0x230/0x230
[  269.164513][ T5493]  ? __init_swait_queue_head+0xa4/0x140
[  269.170051][ T5493]  gfs2_sys_fs_add+0x24f/0x4b0
[  269.174816][ T5493]  ? gfs2_recover_set+0x240/0x240
[  269.179828][ T5493]  ? snprintf+0xe5/0x140
[  269.184060][ T5493]  ? __free_pages+0x95/0x1a0
[  269.188644][ T5493]  ? vscnprintf+0x80/0x80
[  269.192971][ T5493]  gfs2_fill_super+0x11ed/0x1ea0
[  269.197919][ T5493]  ? gfs2_reconfigure+0xd80/0xd80
[  269.202945][ T5493]  ? sb_set_blocksize+0xa5/0xe0
[  269.207798][ T5493]  get_tree_bdev+0x3e6/0x610
[  269.212388][ T5493]  ? gfs2_reconfigure+0xd80/0xd80
[  269.217493][ T5493]  gfs2_get_tree+0x4d/0x1e0
[  269.221986][ T5493]  vfs_get_tree+0x88/0x270
[  269.226391][ T5493]  do_new_mount+0x247/0xa50
[  269.230893][ T5493]  __se_sys_mount+0x2e3/0x3d0
[  269.235574][ T5493]  ? __x64_sys_mount+0xc0/0xc0
[  269.240329][ T5493]  ? lockdep_hardirqs_on+0x94/0x140
[  269.245512][ T5493]  ? __x64_sys_mount+0x1c/0xc0
[  269.250285][ T5493]  do_syscall_64+0x4c/0xa0
[  269.254712][ T5493]  ? clear_bhb_loop+0x30/0x80
[  269.259399][ T5493]  ? clear_bhb_loop+0x30/0x80
[  269.264083][ T5493]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.269979][ T5493] RIP: 0033:0x7ff37f9770ca
[  269.274395][ T5493] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.293990][ T5493] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.302402][ T5493] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  269.310378][ T5493] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  269.318429][ T5493] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  269.326516][ T5493] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  269.334493][ T5493] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  269.342492][ T5493]  </TASK>
[  269.347749][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.361203][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.727290][ T5495] loop1: detected capacity change from 0 to 32768
[  269.780537][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.800638][ T5495] CPU: 1 PID: 5495 Comm: syz.1.220 Not tainted syzkaller #0
[  269.808067][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  269.818231][ T5495] Call Trace:
[  269.821531][ T5495]  <TASK>
[  269.824481][ T5495]  dump_stack_lvl+0x188/0x250
[  269.829190][ T5495]  ? show_regs_print_info+0x20/0x20
[  269.834504][ T5495]  ? load_image+0x410/0x410
[  269.839051][ T5495]  sysfs_create_dir_ns+0x26a/0x290
[  269.844204][ T5495]  ? sysfs_warn_dup+0xa0/0xa0
[  269.848912][ T5495]  ? do_raw_spin_unlock+0x11d/0x230
[  269.854143][ T5495]  kobject_add_internal+0x5ba/0xcd0
[  269.859371][ T5495]  kobject_init_and_add+0x128/0x190
[  269.864595][ T5495]  ? lockdep_softirqs_off+0x430/0x430
[  269.870086][ T5495]  ? kobject_add+0x230/0x230
[  269.874710][ T5495]  ? __init_swait_queue_head+0xa4/0x140
[  269.880284][ T5495]  gfs2_sys_fs_add+0x24f/0x4b0
[  269.885072][ T5495]  ? gfs2_recover_set+0x240/0x240
[  269.890195][ T5495]  ? snprintf+0xe5/0x140
[  269.894440][ T5495]  ? __free_pages+0x95/0x1a0
[  269.899027][ T5495]  ? vscnprintf+0x80/0x80
[  269.903377][ T5495]  gfs2_fill_super+0x11ed/0x1ea0
[  269.908314][ T5495]  ? gfs2_reconfigure+0xd80/0xd80
[  269.913339][ T5495]  ? sb_set_blocksize+0xa5/0xe0
[  269.918266][ T5495]  get_tree_bdev+0x3e6/0x610
[  269.922846][ T5495]  ? gfs2_reconfigure+0xd80/0xd80
[  269.927860][ T5495]  gfs2_get_tree+0x4d/0x1e0
[  269.932355][ T5495]  vfs_get_tree+0x88/0x270
[  269.936758][ T5495]  do_new_mount+0x247/0xa50
[  269.941255][ T5495]  __se_sys_mount+0x2e3/0x3d0
[  269.945924][ T5495]  ? __x64_sys_mount+0xc0/0xc0
[  269.950687][ T5495]  ? lockdep_hardirqs_on+0x94/0x140
[  269.955871][ T5495]  ? __x64_sys_mount+0x1c/0xc0
[  269.960635][ T5495]  do_syscall_64+0x4c/0xa0
[  269.965055][ T5495]  ? clear_bhb_loop+0x30/0x80
[  269.969732][ T5495]  ? clear_bhb_loop+0x30/0x80
[  269.974410][ T5495]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.980307][ T5495] RIP: 0033:0x7ff37f9770ca
[  269.984715][ T5495] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.004309][ T5495] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.012711][ T5495] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  270.020673][ T5495] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  270.028637][ T5495] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  270.036596][ T5495] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  270.044557][ T5495] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  270.052528][ T5495]  </TASK>
[  270.060458][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.074293][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.414120][ T5497] loop1: detected capacity change from 0 to 32768
[  270.472711][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.480829][ T5497] CPU: 0 PID: 5497 Comm: syz.1.221 Not tainted syzkaller #0
[  270.488154][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  270.498411][ T5497] Call Trace:
[  270.501717][ T5497]  <TASK>
[  270.504668][ T5497]  dump_stack_lvl+0x188/0x250
[  270.509386][ T5497]  ? show_regs_print_info+0x20/0x20
[  270.514614][ T5497]  ? load_image+0x410/0x410
[  270.519167][ T5497]  sysfs_create_dir_ns+0x26a/0x290
[  270.524305][ T5497]  ? sysfs_warn_dup+0xa0/0xa0
[  270.529014][ T5497]  ? do_raw_spin_unlock+0x11d/0x230
[  270.534246][ T5497]  kobject_add_internal+0x5ba/0xcd0
[  270.539487][ T5497]  kobject_init_and_add+0x128/0x190
[  270.544793][ T5497]  ? lockdep_softirqs_off+0x430/0x430
[  270.550198][ T5497]  ? kobject_add+0x230/0x230
[  270.554822][ T5497]  ? __init_swait_queue_head+0xa4/0x140
[  270.560399][ T5497]  gfs2_sys_fs_add+0x24f/0x4b0
[  270.565204][ T5497]  ? gfs2_recover_set+0x240/0x240
[  270.570225][ T5497]  ? snprintf+0xe5/0x140
[  270.574463][ T5497]  ? __free_pages+0x95/0x1a0
[  270.579051][ T5497]  ? vscnprintf+0x80/0x80
[  270.583389][ T5497]  gfs2_fill_super+0x11ed/0x1ea0
[  270.588345][ T5497]  ? gfs2_reconfigure+0xd80/0xd80
[  270.593475][ T5497]  ? sb_set_blocksize+0xa5/0xe0
[  270.598319][ T5497]  get_tree_bdev+0x3e6/0x610
[  270.602910][ T5497]  ? gfs2_reconfigure+0xd80/0xd80
[  270.607935][ T5497]  gfs2_get_tree+0x4d/0x1e0
[  270.612432][ T5497]  vfs_get_tree+0x88/0x270
[  270.616849][ T5497]  do_new_mount+0x247/0xa50
[  270.621359][ T5497]  __se_sys_mount+0x2e3/0x3d0
[  270.626039][ T5497]  ? __x64_sys_mount+0xc0/0xc0
[  270.630793][ T5497]  ? lockdep_hardirqs_on+0x94/0x140
[  270.635997][ T5497]  ? __x64_sys_mount+0x1c/0xc0
[  270.640752][ T5497]  do_syscall_64+0x4c/0xa0
[  270.645176][ T5497]  ? clear_bhb_loop+0x30/0x80
[  270.649842][ T5497]  ? clear_bhb_loop+0x30/0x80
[  270.654510][ T5497]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.660406][ T5497] RIP: 0033:0x7ff37f9770ca
[  270.664813][ T5497] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.684407][ T5497] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.692823][ T5497] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  270.700874][ T5497] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  270.708835][ T5497] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  270.716891][ T5497] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  270.724868][ T5497] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  270.732927][ T5497]  </TASK>
[  270.737170][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.750486][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/11/08 10:17:12 executed programs: 207
[  271.124580][ T5499] loop1: detected capacity change from 0 to 32768
[  271.188381][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.195877][ T5499] CPU: 0 PID: 5499 Comm: syz.1.222 Not tainted syzkaller #0
[  271.203180][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  271.213256][ T5499] Call Trace:
[  271.216559][ T5499]  <TASK>
[  271.219607][ T5499]  dump_stack_lvl+0x188/0x250
[  271.224323][ T5499]  ? show_regs_print_info+0x20/0x20
[  271.229558][ T5499]  ? load_image+0x410/0x410
[  271.234108][ T5499]  sysfs_create_dir_ns+0x26a/0x290
[  271.239242][ T5499]  ? sysfs_warn_dup+0xa0/0xa0
[  271.243944][ T5499]  ? do_raw_spin_unlock+0x11d/0x230
[  271.249178][ T5499]  kobject_add_internal+0x5ba/0xcd0
[  271.254414][ T5499]  kobject_init_and_add+0x128/0x190
[  271.259640][ T5499]  ? lockdep_softirqs_off+0x430/0x430
[  271.265220][ T5499]  ? kobject_add+0x230/0x230
[  271.269836][ T5499]  ? __init_swait_queue_head+0xa4/0x140
[  271.275417][ T5499]  gfs2_sys_fs_add+0x24f/0x4b0
[  271.280209][ T5499]  ? gfs2_recover_set+0x240/0x240
[  271.285266][ T5499]  ? snprintf+0xe5/0x140
[  271.289621][ T5499]  ? __free_pages+0x95/0x1a0
[  271.294222][ T5499]  ? vscnprintf+0x80/0x80
[  271.298568][ T5499]  gfs2_fill_super+0x11ed/0x1ea0
[  271.303530][ T5499]  ? gfs2_reconfigure+0xd80/0xd80
[  271.308557][ T5499]  ? sb_set_blocksize+0xa5/0xe0
[  271.313410][ T5499]  get_tree_bdev+0x3e6/0x610
[  271.318001][ T5499]  ? gfs2_reconfigure+0xd80/0xd80
[  271.323039][ T5499]  gfs2_get_tree+0x4d/0x1e0
[  271.327540][ T5499]  vfs_get_tree+0x88/0x270
[  271.331966][ T5499]  do_new_mount+0x247/0xa50
[  271.336465][ T5499]  __se_sys_mount+0x2e3/0x3d0
[  271.341150][ T5499]  ? __x64_sys_mount+0xc0/0xc0
[  271.345907][ T5499]  ? lockdep_hardirqs_on+0x94/0x140
[  271.351095][ T5499]  ? __x64_sys_mount+0x1c/0xc0
[  271.355862][ T5499]  do_syscall_64+0x4c/0xa0
[  271.360283][ T5499]  ? clear_bhb_loop+0x30/0x80
[  271.364950][ T5499]  ? clear_bhb_loop+0x30/0x80
[  271.369623][ T5499]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  271.375508][ T5499] RIP: 0033:0x7ff37f9770ca
[  271.379912][ T5499] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.399520][ T5499] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.407953][ T5499] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  271.415995][ T5499] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  271.423956][ T5499] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  271.431942][ T5499] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  271.440091][ T5499] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  271.448072][ T5499]  </TASK>
[  271.452256][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.465744][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.617717][   T27] INFO: task kworker/1:20:4314 blocked for more than 143 seconds.
[  271.625774][   T27]       Not tainted syzkaller #0
[  271.637571][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  271.646316][   T27] task:kworker/1:20    state:D stack:23872 pid: 4314 ppid:     2 flags:0x00004000
[  271.655986][   T27] Workqueue: gfs_recovery gfs2_recover_func
[  271.665888][   T27] Call Trace:
[  271.671940][   T27]  <TASK>
[  271.674901][   T27]  __schedule+0x11c3/0x4350
[  271.679781][   T27]  ? __lock_acquire+0x7d40/0x7d40
[  271.684923][   T27]  ? release_firmware_map_entry+0x190/0x190
[  271.693723][   T27]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[  271.701833][   T27]  ? _raw_spin_unlock_irq+0x1f/0x40
[  271.707067][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  271.713592][   T27]  schedule+0x11b/0x1e0
[  271.718006][   T27]  io_schedule+0x7c/0xd0
[  271.722279][   T27]  wait_on_page_bit_common+0x8bf/0xeb0
[  271.728186][   T27]  ? wait_on_page_bit+0x50/0x50
[  271.733064][   T27]  ? rcu_lock_release+0x20/0x20
[  271.738421][   T27]  ? blk_put_request+0x20/0x20
[  271.743216][   T27]  ? __get_log_header+0x1de/0x500
[  271.748643][   T27]  gfs2_jhead_process_page+0x252/0xbf0
[  271.754138][   T27]  ? gfs2_end_log_read+0x500/0x500
[  271.759639][   T27]  ? submit_bio+0x2c6/0x550
[  271.764173][   T27]  ? submit_bio_noacct+0x800/0x800
[  271.769787][   T27]  ? bio_add_page+0x2d6/0x460
[  271.774498][   T27]  gfs2_find_jhead+0xdaf/0xf00
[  271.779705][   T27]  gfs2_recover_func+0x73a/0x1cd0
[  271.784852][   T27]  ? lockdep_lock+0x1f0/0x1f0
[  271.789995][   T27]  ? add_lock_to_list+0x18d/0x280
[  271.795153][   T27]  ? __lock_acquire+0x35cf/0x7d40
[  271.800552][   T27]  ? __get_log_header+0x500/0x500
[  271.805701][   T27]  ? __lock_acquire+0x13b3/0x7d40
[  271.811821][   T27]  ? verify_lock_unused+0x140/0x140
[  271.817861][   T27]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[  271.823886][   T27]  ? _raw_spin_unlock+0x40/0x40
[  271.829180][   T27]  ? _raw_spin_unlock_irq+0x1f/0x40
[  271.834415][   T27]  process_one_work+0x867/0xff0
[  271.839692][   T27]  ? worker_detach_from_pool+0x240/0x240
[  271.845356][   T27]  ? lockdep_hardirqs_off+0x70/0x100
[  271.851080][   T27]  ? _raw_spin_lock_irq+0xb7/0xf0
[  271.856141][   T27]  ? _raw_spin_lock_irqsave+0x100/0x100
[  271.862132][   T27]  ? wq_worker_running+0x97/0x170
[  271.867186][   T27]  worker_thread+0xad7/0x12a0
[  271.872343][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  271.878550][   T27]  kthread+0x42e/0x520
[  271.882819][   T27]  ? rcu_lock_release+0x20/0x20
[  271.888021][   T27]  ? kthread_blkcg+0xd0/0xd0
[  271.892643][   T27]  ret_from_fork+0x1f/0x30
[  271.897193][   T27]  </TASK>
[  271.900757][   T27] INFO: task syz.0.17:5036 blocked for more than 143 seconds.
[  271.908738][   T27]       Not tainted syzkaller #0
[  271.913998][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  271.924392][   T27] task:syz.0.17        state:D stack:24272 pid: 5036 ppid:  4854 flags:0x00004004
[  271.934455][   T27] Call Trace:
[  271.938037][   T27]  <TASK>
[  271.940999][   T27]  __schedule+0x11c3/0x4350
[  271.945720][   T27]  ? preempt_schedule+0xbc/0xd0
[  271.951051][   T27]  ? lock_chain_count+0x20/0x20
[  271.956034][   T27]  ? release_firmware_map_entry+0x190/0x190
[  271.956621][ T5501] loop1: detected capacity change from 0 to 32768
[  271.962397][   T27]  ? _raw_spin_unlock_irqrestore+0x10d/0x120
[  271.974600][   T27]  schedule+0x11b/0x1e0
[  271.978929][   T27]  bit_wait+0xd/0xc0
[  271.983228][   T27]  out_of_line_wait_on_bit+0x173/0x230
[  271.988813][   T27]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  271.994913][   T27]  ? __wait_on_bit+0x170/0x170
[  271.999922][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.007313][ T5501] CPU: 0 PID: 5501 Comm: syz.1.223 Not tainted syzkaller #0
[  272.014628][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  272.024704][ T5501] Call Trace:
[  272.028008][ T5501]  <TASK>
[  272.030728][   T27]  ? bit_waitqueue+0x30/0x30
[  272.030956][ T5501]  dump_stack_lvl+0x188/0x250
[  272.035629][   T27]  ? do_raw_spin_unlock+0x11d/0x230
[  272.040222][ T5501]  ? show_regs_print_info+0x20/0x20
[  272.040249][ T5501]  ? load_image+0x410/0x410
[  272.040287][ T5501]  sysfs_create_dir_ns+0x26a/0x290
[  272.040313][ T5501]  ? sysfs_warn_dup+0xa0/0xa0
[  272.040336][ T5501]  ? do_raw_spin_unlock+0x11d/0x230
[  272.049839][   T27]  gfs2_recover_journal+0x104/0x150
[  272.050807][ T5501]  kobject_add_internal+0x5ba/0xcd0
[  272.055303][   T27]  init_journal+0x17fa/0x22d0
[  272.060429][ T5501]  kobject_init_and_add+0x128/0x190
[  272.060453][ T5501]  ? lockdep_softirqs_off+0x430/0x430
[  272.060483][ T5501]  ? kobject_add+0x230/0x230
[  272.060510][ T5501]  ? __init_swait_queue_head+0xa4/0x140
[  272.067165][   T27]  ? end_bio_io_page+0x100/0x100
[  272.070373][ T5501]  gfs2_sys_fs_add+0x24f/0x4b0
[  272.070400][ T5501]  ? gfs2_recover_set+0x240/0x240
[  272.070421][ T5501]  ? snprintf+0xe5/0x140
[  272.070444][ T5501]  ? __free_pages+0x95/0x1a0
[  272.077212][   T27]  ? snprintf+0xe5/0x140
[  272.080844][ T5501]  ? vscnprintf+0x80/0x80
[  272.080884][ T5501]  gfs2_fill_super+0x11ed/0x1ea0
[  272.080920][ T5501]  ? gfs2_reconfigure+0xd80/0xd80
[  272.087251][   T27]  ? init_journal+0x749/0x22d0
[  272.090801][ T5501]  ? sb_set_blocksize+0xa5/0xe0
[  272.090832][ T5501]  get_tree_bdev+0x3e6/0x610
[  272.090858][ T5501]  ? gfs2_reconfigure+0xd80/0xd80
[  272.090882][ T5501]  gfs2_get_tree+0x4d/0x1e0
[  272.099716][   T27]  ? vscnprintf+0x80/0x80
[  272.100822][ T5501]  vfs_get_tree+0x88/0x270
[  272.106374][   T27]  ? gfs2_glock_nq_num+0x170/0x1b0
[  272.111303][ T5501]  do_new_mount+0x247/0xa50
[  272.111337][ T5501]  __se_sys_mount+0x2e3/0x3d0
[  272.111366][ T5501]  ? __x64_sys_mount+0xc0/0xc0
[  272.111393][ T5501]  ? lockdep_hardirqs_on+0x94/0x140
[  272.119721][   T27]  init_inodes+0xdb/0x320
[  272.121328][ T5501]  ? __x64_sys_mount+0x1c/0xc0
[  272.121356][ T5501]  do_syscall_64+0x4c/0xa0
[  272.121374][ T5501]  ? clear_bhb_loop+0x30/0x80
[  272.121396][ T5501]  ? clear_bhb_loop+0x30/0x80
[  272.121417][ T5501]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.121439][ T5501] RIP: 0033:0x7ff37f9770ca
[  272.121460][ T5501] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.121480][ T5501] RSP: 002b:00007ff37efd6e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.121507][ T5501] RAX: ffffffffffffffda RBX: 00007ff37efd6ee0 RCX: 00007ff37f9770ca
[  272.121524][ T5501] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff37efd6ea0
[  272.121540][ T5501] RBP: 0000200000037f40 R08: 00007ff37efd6ee0 R09: 0000000000004000
[  272.121556][ T5501] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  272.121571][ T5501] R13: 00007ff37efd6ea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  272.121609][ T5501]  </TASK>
[  272.123312][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.127900][   T27]  gfs2_fill_super+0x1671/0x1ea0
[  272.130554][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.134954][   T27]  ? gfs2_reconfigure+0xd80/0xd80
[  272.341039][   T27]  ? gfs2_glock_nq_num+0x7e/0x1b0
[  272.346105][   T27]  ? sb_set_blocksize+0xa5/0xe0
[  272.350999][   T27]  get_tree_bdev+0x3e6/0x610
[  272.355610][   T27]  ? gfs2_reconfigure+0xd80/0xd80
[  272.360694][   T27]  gfs2_get_tree+0x4d/0x1e0
[  272.365217][   T27]  vfs_get_tree+0x88/0x270
[  272.369673][   T27]  do_new_mount+0x247/0xa50
[  272.374218][   T27]  __se_sys_mount+0x2e3/0x3d0
[  272.378952][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  272.383741][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  272.388989][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  272.393772][   T27]  do_syscall_64+0x4c/0xa0
[  272.398280][   T27]  ? clear_bhb_loop+0x30/0x80
[  272.402974][   T27]  ? clear_bhb_loop+0x30/0x80
[  272.407700][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.413608][   T27] RIP: 0033:0x7f3047fa00ca
[  272.418155][   T27] RSP: 002b:00007f30475ffe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.426604][   T27] RAX: ffffffffffffffda RBX: 00007f30475ffee0 RCX: 00007f3047fa00ca
[  272.434942][   T27] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f30475ffea0
[  272.442982][   T27] RBP: 0000200000037f40 R08: 00007f30475ffee0 R09: 0000000000004000
[  272.451388][   T27] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[  272.459463][   T27] R13: 00007f30475ffea0 R14: 0000000000037f56 R15: 0000200000037fc0
[  272.467510][   T27]  </TASK>
[  272.470569][   T27] 
[  272.470569][   T27] Showing all locks held in the system:
[  272.478370][   T27] 1 lock held by khungtaskd/27:
[  272.483231][   T27]  #0: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  272.492704][   T27] 2 locks held by getty/3950:
[  272.497400][   T27]  #0: ffff88814cfd6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  272.507840][   T27]  #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[  272.518017][   T27] 2 locks held by kworker/1:20/4314:
[  272.523290][   T27]  #0: ffff88801e5e7138 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x75c/0xff0
[  272.534478][   T27]  #1: ffffc9000302fd00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0
[  272.545795][   T27] 1 lock held by syz.0.17/5036:
[  272.550678][   T27]  #0: ffff88805c9620e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x200/0x970
[  272.561249][   T27] 2 locks held by syz.1.223/5501:
[  272.566291][   T27]  #0: ffff888021146118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf1/0x780
[  272.576017][   T27]  #1: ffff8880212a2468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  272.585110][   T27] 
[  272.587495][   T27] =============================================
[  272.587495][   T27] 
[  272.595920][   T27] NMI backtrace for cpu 1
[  272.600235][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  272.607426][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  272.617486][   T27] Call Trace:
[  272.620759][   T27]  <TASK>
[  272.623679][   T27]  dump_stack_lvl+0x188/0x250
[  272.628350][   T27]  ? show_regs_print_info+0x20/0x20
[  272.633540][   T27]  ? load_image+0x410/0x410
[  272.638044][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  272.643154][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  272.648093][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  272.654255][   T27]  ? _printk+0xda/0x130
[  272.658401][   T27]  ? load_image+0x410/0x410
[  272.662913][   T27]  ? load_image+0x410/0x410
[  272.667497][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  272.673560][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  272.679529][   T27]  watchdog+0xe1b/0xe60
[  272.683688][   T27]  kthread+0x42e/0x520
[  272.687744][   T27]  ? hungtask_pm_notify+0x40/0x40
[  272.692757][   T27]  ? kthread_blkcg+0xd0/0xd0
[  272.697335][   T27]  ret_from_fork+0x1f/0x30
[  272.701750][   T27]  </TASK>
[  272.705138][   T27] Sending NMI from CPU 1 to CPUs 0:
[  272.710502][    C0] NMI backtrace for cpu 0
[  272.710514][    C0] CPU: 0 PID: 145 Comm: kworker/u4:1 Not tainted syzkaller #0
[  272.710530][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  272.710538][    C0] Workqueue: events_unbound cfg80211_wiphy_work
[  272.710560][    C0] RIP: 0010:lock_is_held_type+0x11e/0x190
[  272.710579][    C0] Code: 48 c7 c7 00 3e 2b 8a e8 30 0e 00 00 b8 ff ff ff ff 65 0f c1 05 73 ea 38 76 83 f8 01 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 <f7> 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b
[  272.710592][    C0] RSP: 0018:ffffc9000159fa28 EFLAGS: 00000046
[  272.710604][    C0] RAX: 0000000000000001 RBX: ffff888018799dc0 RCX: cd94aeddc29c3200
[  272.710615][    C0] RDX: 0000000000000000 RSI: ffffffff8a2b3e00 RDI: ffffffff8a7a5100
[  272.710626][    C0] RBP: 0000000000000001 R08: ffff888018799dc7 R09: 1ffff110030f33b8
[  272.710636][    C0] R10: dffffc0000000000 R11: ffffed10030f33b9 R12: 0000000000000002
[  272.710646][    C0] R13: 0000000000000046 R14: ffff8880b8e3a358 R15: ffff88801879a900
[  272.710657][    C0] FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[  272.710670][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  272.710681][    C0] CR2: 00007ff377bb6000 CR3: 0000000068fe4000 CR4: 00000000003506f0
[  272.710696][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  272.710706][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  272.710715][    C0] Call Trace:
[  272.710721][    C0]  <TASK>
[  272.710729][    C0]  update_curr+0xe0/0x8d0
[  272.710751][    C0]  check_preempt_wakeup+0x6a3/0xb30
[  272.710767][    C0]  check_preempt_curr+0xd2/0x270
[  272.710785][    C0]  ttwu_do_wakeup+0x26/0x4f0
[  272.710798][    C0]  ? update_rq_clock+0xdf/0x460
[  272.710814][    C0]  try_to_wake_up+0x5e4/0x1020
[  272.710830][    C0]  ? debug_object_deactivate+0x63/0x380
[  272.710849][    C0]  process_one_work+0x693/0xff0
[  272.710871][    C0]  ? worker_detach_from_pool+0x240/0x240
[  272.710885][    C0]  ? lockdep_hardirqs_off+0x70/0x100
[  272.710902][    C0]  ? _raw_spin_lock_irq+0xb7/0xf0
[  272.710917][    C0]  ? _raw_spin_lock_irqsave+0x100/0x100
[  272.710932][    C0]  ? wq_worker_running+0x97/0x170
[  272.710947][    C0]  worker_thread+0xad7/0x12a0
[  272.710972][    C0]  kthread+0x42e/0x520
[  272.710985][    C0]  ? rcu_lock_release+0x20/0x20
[  272.710999][    C0]  ? kthread_blkcg+0xd0/0xd0
[  272.711018][    C0]  ret_from_fork+0x1f/0x30
[  272.711039][    C0]  </TASK>
[  272.711893][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  272.954379][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  272.961569][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
[  272.971626][   T27] Call Trace:
[  272.974907][   T27]  <TASK>
[  272.977928][   T27]  dump_stack_lvl+0x188/0x250
[  272.982611][   T27]  ? show_regs_print_info+0x20/0x20
[  272.987805][   T27]  ? load_image+0x410/0x410
[  272.992306][   T27]  panic+0x2f8/0x850
[  272.996204][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  273.001850][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  273.006365][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  273.012516][   T27]  watchdog+0xe5a/0xe60
[  273.016676][   T27]  kthread+0x42e/0x520
[  273.020745][   T27]  ? hungtask_pm_notify+0x40/0x40
[  273.025790][   T27]  ? kthread_blkcg+0xd0/0xd0
[  273.030395][   T27]  ret_from_fork+0x1f/0x30
[  273.034810][   T27]  </TASK>
[  273.038031][   T27] Kernel Offset: disabled
[  273.042364][   T27] Rebooting in 86400 seconds..