_raw_spin_unlock+0x11d/0x230
[ 271.918920][ T4525] kobject_add_internal+0x662/0xd00
[ 271.924321][ T4525] kobject_init_and_add+0x122/0x190
[ 271.929611][ T4525] ? lockdep_softirqs_off+0x420/0x420
[ 271.935177][ T4525] ? kobject_add+0x210/0x210
[ 271.939757][ T4525] ? __init_swait_queue_head+0xa5/0x150
[ 271.945553][ T4525] gfs2_sys_fs_add+0x234/0x480
[ 271.950399][ T4525] ? gfs2_recover_set+0x240/0x240
[ 271.955441][ T4525] ? snprintf+0xd7/0x120
[ 271.959964][ T4525] ? __free_pages+0x95/0x1a0
[ 271.964577][ T4525] ? vscnprintf+0x80/0x80
[ 271.969116][ T4525] gfs2_fill_super+0x128d/0x1f50
[ 271.974054][ T4525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.979158][ T4525] ? preempt_count_add+0x8d/0x190
[ 271.984459][ T4525] ? sb_set_blocksize+0xa5/0xe0
[ 271.989439][ T4525] get_tree_bdev+0x3f1/0x610
[ 271.994098][ T4525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.999102][ T4525] gfs2_get_tree+0x4d/0x1e0
[ 272.003716][ T4525] vfs_get_tree+0x88/0x270
[ 272.008165][ T4525] do_new_mount+0x24a/0xa40
[ 272.012753][ T4525] __se_sys_mount+0x2d6/0x3c0
[ 272.017418][ T4525] ? __x64_sys_mount+0xc0/0xc0
[ 272.022340][ T4525] ? lockdep_hardirqs_on+0x94/0x140
[ 272.027523][ T4525] ? __x64_sys_mount+0x1c/0xc0
[ 272.032283][ T4525] do_syscall_64+0x4c/0xa0
[ 272.036694][ T4525] ? clear_bhb_loop+0x30/0x80
[ 272.041352][ T4525] ? clear_bhb_loop+0x30/0x80
[ 272.046023][ T4525] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.051983][ T4525] RIP: 0033:0x7fc3e8c8138a
[ 272.056879][ T4525] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 272.077112][ T4525] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.085518][ T4525] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 272.093766][ T4525] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 272.101745][ T4525] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 272.110170][ T4525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 272.118253][ T4525] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 272.126309][ T4525]
[ 272.130882][ T4525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.144095][ T4525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.466065][ T4526] loop1: detected capacity change from 0 to 32768
[ 272.514780][ T4526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.529120][ T4526] CPU: 1 PID: 4526 Comm: syz.1.180 Not tainted 5.15.189-syzkaller #0
[ 272.537247][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 272.547559][ T4526] Call Trace:
[ 272.550964][ T4526]
[ 272.554000][ T4526] dump_stack_lvl+0x168/0x230
[ 272.558771][ T4526] ? show_regs_print_info+0x20/0x20
[ 272.564179][ T4526] ? load_image+0x3b0/0x3b0
[ 272.568897][ T4526] sysfs_create_dir_ns+0x252/0x280
[ 272.574180][ T4526] ? __lock_acquire+0x7c60/0x7c60
[ 272.579329][ T4526] ? sysfs_warn_dup+0xa0/0xa0
[ 272.584056][ T4526] ? do_raw_spin_unlock+0x11d/0x230
[ 272.589296][ T4526] kobject_add_internal+0x662/0xd00
[ 272.594975][ T4526] kobject_init_and_add+0x122/0x190
[ 272.600362][ T4526] ? lockdep_softirqs_off+0x420/0x420
[ 272.605722][ T4526] ? kobject_add+0x210/0x210
[ 272.610383][ T4526] ? __init_swait_queue_head+0xa5/0x150
[ 272.616032][ T4526] gfs2_sys_fs_add+0x234/0x480
[ 272.620803][ T4526] ? gfs2_recover_set+0x240/0x240
[ 272.625815][ T4526] ? snprintf+0xd7/0x120
[ 272.630033][ T4526] ? __free_pages+0x95/0x1a0
[ 272.634610][ T4526] ? vscnprintf+0x80/0x80
[ 272.638941][ T4526] gfs2_fill_super+0x128d/0x1f50
[ 272.643860][ T4526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.648860][ T4526] ? preempt_count_add+0x8d/0x190
[ 272.653866][ T4526] ? sb_set_blocksize+0xa5/0xe0
[ 272.658695][ T4526] get_tree_bdev+0x3f1/0x610
[ 272.663540][ T4526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.668635][ T4526] gfs2_get_tree+0x4d/0x1e0
[ 272.673201][ T4526] vfs_get_tree+0x88/0x270
[ 272.677950][ T4526] do_new_mount+0x24a/0xa40
[ 272.682662][ T4526] __se_sys_mount+0x2d6/0x3c0
[ 272.687484][ T4526] ? __x64_sys_mount+0xc0/0xc0
[ 272.692732][ T4526] ? lockdep_hardirqs_on+0x94/0x140
[ 272.698110][ T4526] ? __x64_sys_mount+0x1c/0xc0
[ 272.702970][ T4526] do_syscall_64+0x4c/0xa0
[ 272.707375][ T4526] ? clear_bhb_loop+0x30/0x80
[ 272.712070][ T4526] ? clear_bhb_loop+0x30/0x80
[ 272.716836][ T4526] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.722734][ T4526] RIP: 0033:0x7fc3e8c8138a
[ 272.727288][ T4526] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 272.747486][ T4526] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.756054][ T4526] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 272.764105][ T4526] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 272.772069][ T4526] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 272.780038][ T4526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 272.788195][ T4526] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 272.796253][ T4526]
[ 272.801131][ T4526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.814497][ T4526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.127966][ T4527] loop1: detected capacity change from 0 to 32768
[ 273.143511][ T4527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.151148][ T4527] CPU: 1 PID: 4527 Comm: syz.1.181 Not tainted 5.15.189-syzkaller #0
[ 273.159711][ T4527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 273.170053][ T4527] Call Trace:
[ 273.173447][ T4527]
[ 273.176485][ T4527] dump_stack_lvl+0x168/0x230
[ 273.181196][ T4527] ? show_regs_print_info+0x20/0x20
[ 273.186465][ T4527] ? load_image+0x3b0/0x3b0
[ 273.191073][ T4527] sysfs_create_dir_ns+0x252/0x280
[ 273.196297][ T4527] ? __lock_acquire+0x7c60/0x7c60
[ 273.201415][ T4527] ? sysfs_warn_dup+0xa0/0xa0
[ 273.206165][ T4527] ? do_raw_spin_unlock+0x11d/0x230
[ 273.211351][ T4527] kobject_add_internal+0x662/0xd00
[ 273.216620][ T4527] kobject_init_and_add+0x122/0x190
[ 273.221924][ T4527] ? lockdep_softirqs_off+0x420/0x420
[ 273.227394][ T4527] ? kobject_add+0x210/0x210
[ 273.232073][ T4527] ? __init_swait_queue_head+0xa5/0x150
[ 273.237705][ T4527] gfs2_sys_fs_add+0x234/0x480
[ 273.242730][ T4527] ? gfs2_recover_set+0x240/0x240
[ 273.247758][ T4527] ? snprintf+0xd7/0x120
[ 273.252000][ T4527] ? __free_pages+0x95/0x1a0
[ 273.256696][ T4527] ? vscnprintf+0x80/0x80
[ 273.261206][ T4527] gfs2_fill_super+0x128d/0x1f50
[ 273.266156][ T4527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.271276][ T4527] ? preempt_count_add+0x8d/0x190
[ 273.276429][ T4527] ? sb_set_blocksize+0xa5/0xe0
[ 273.281463][ T4527] get_tree_bdev+0x3f1/0x610
[ 273.286053][ T4527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.291060][ T4527] gfs2_get_tree+0x4d/0x1e0
[ 273.295551][ T4527] vfs_get_tree+0x88/0x270
[ 273.300293][ T4527] do_new_mount+0x24a/0xa40
[ 273.305104][ T4527] __se_sys_mount+0x2d6/0x3c0
[ 273.309774][ T4527] ? __x64_sys_mount+0xc0/0xc0
[ 273.314546][ T4527] ? lockdep_hardirqs_on+0x94/0x140
[ 273.319914][ T4527] ? __x64_sys_mount+0x1c/0xc0
[ 273.324687][ T4527] do_syscall_64+0x4c/0xa0
[ 273.329088][ T4527] ? clear_bhb_loop+0x30/0x80
[ 273.333743][ T4527] ? clear_bhb_loop+0x30/0x80
[ 273.338419][ T4527] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.344480][ T4527] RIP: 0033:0x7fc3e8c8138a
[ 273.349070][ T4527] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 273.369093][ T4527] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.377533][ T4527] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 273.385497][ T4527] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 273.393865][ T4527] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 273.402010][ T4527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 273.409975][ T4527] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 273.418027][ T4527]
[ 273.422759][ T4527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.436123][ T4527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.745241][ T4528] loop1: detected capacity change from 0 to 32768
[ 273.799865][ T4528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.807274][ T4528] CPU: 1 PID: 4528 Comm: syz.1.182 Not tainted 5.15.189-syzkaller #0
[ 273.815580][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 273.825662][ T4528] Call Trace:
[ 273.828968][ T4528]
[ 273.831923][ T4528] dump_stack_lvl+0x168/0x230
[ 273.836643][ T4528] ? show_regs_print_info+0x20/0x20
[ 273.842143][ T4528] ? load_image+0x3b0/0x3b0
[ 273.846696][ T4528] sysfs_create_dir_ns+0x252/0x280
[ 273.852024][ T4528] ? __lock_acquire+0x7c60/0x7c60
[ 273.857214][ T4528] ? sysfs_warn_dup+0xa0/0xa0
[ 273.862120][ T4528] ? do_raw_spin_unlock+0x11d/0x230
[ 273.867358][ T4528] kobject_add_internal+0x662/0xd00
[ 273.872595][ T4528] kobject_init_and_add+0x122/0x190
[ 273.877816][ T4528] ? lockdep_softirqs_off+0x420/0x420
[ 273.883226][ T4528] ? kobject_add+0x210/0x210
[ 273.887931][ T4528] ? __init_swait_queue_head+0xa5/0x150
[ 273.893503][ T4528] gfs2_sys_fs_add+0x234/0x480
[ 273.898261][ T4528] ? gfs2_recover_set+0x240/0x240
[ 273.903437][ T4528] ? snprintf+0xd7/0x120
[ 273.907657][ T4528] ? __free_pages+0x95/0x1a0
[ 273.912228][ T4528] ? vscnprintf+0x80/0x80
[ 273.916545][ T4528] gfs2_fill_super+0x128d/0x1f50
[ 273.921473][ T4528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.926670][ T4528] ? preempt_count_add+0x8d/0x190
[ 273.931783][ T4528] ? sb_set_blocksize+0xa5/0xe0
[ 273.936789][ T4528] get_tree_bdev+0x3f1/0x610
[ 273.941370][ T4528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.946375][ T4528] gfs2_get_tree+0x4d/0x1e0
[ 273.950963][ T4528] vfs_get_tree+0x88/0x270
[ 273.955451][ T4528] do_new_mount+0x24a/0xa40
[ 273.959957][ T4528] __se_sys_mount+0x2d6/0x3c0
[ 273.964661][ T4528] ? __x64_sys_mount+0xc0/0xc0
[ 273.969454][ T4528] ? lockdep_hardirqs_on+0x94/0x140
[ 273.974847][ T4528] ? __x64_sys_mount+0x1c/0xc0
[ 273.980796][ T4528] do_syscall_64+0x4c/0xa0
[ 273.985216][ T4528] ? clear_bhb_loop+0x30/0x80
[ 273.990105][ T4528] ? clear_bhb_loop+0x30/0x80
[ 273.994769][ T4528] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.000667][ T4528] RIP: 0033:0x7fc3e8c8138a
[ 274.005064][ T4528] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 274.024824][ T4528] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.033269][ T4528] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 274.041777][ T4528] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 274.049781][ T4528] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 274.057757][ T4528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 274.065815][ T4528] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 274.073993][ T4528]
[ 274.078842][ T4528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.092389][ T4528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.415207][ T4529] loop1: detected capacity change from 0 to 32768
[ 274.426880][ T4529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.435138][ T4529] CPU: 1 PID: 4529 Comm: syz.1.183 Not tainted 5.15.189-syzkaller #0
[ 274.443525][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 274.453606][ T4529] Call Trace:
[ 274.456999][ T4529]
[ 274.459958][ T4529] dump_stack_lvl+0x168/0x230
[ 274.464753][ T4529] ? show_regs_print_info+0x20/0x20
[ 274.470151][ T4529] ? load_image+0x3b0/0x3b0
[ 274.474816][ T4529] sysfs_create_dir_ns+0x252/0x280
[ 274.480003][ T4529] ? __lock_acquire+0x7c60/0x7c60
[ 274.485114][ T4529] ? sysfs_warn_dup+0xa0/0xa0
[ 274.489897][ T4529] ? do_raw_spin_unlock+0x11d/0x230
[ 274.495119][ T4529] kobject_add_internal+0x662/0xd00
[ 274.500412][ T4529] kobject_init_and_add+0x122/0x190
[ 274.505599][ T4529] ? lockdep_softirqs_off+0x420/0x420
[ 274.510955][ T4529] ? kobject_add+0x210/0x210
[ 274.515542][ T4529] ? __init_swait_queue_head+0xa5/0x150
[ 274.521163][ T4529] gfs2_sys_fs_add+0x234/0x480
[ 274.525965][ T4529] ? gfs2_recover_set+0x240/0x240
[ 274.531014][ T4529] ? snprintf+0xd7/0x120
[ 274.535268][ T4529] ? __free_pages+0x95/0x1a0
[ 274.539948][ T4529] ? vscnprintf+0x80/0x80
[ 274.544358][ T4529] gfs2_fill_super+0x128d/0x1f50
[ 274.549382][ T4529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.554409][ T4529] ? preempt_count_add+0x8d/0x190
[ 274.559887][ T4529] ? sb_set_blocksize+0xa5/0xe0
[ 274.564822][ T4529] get_tree_bdev+0x3f1/0x610
[ 274.569508][ T4529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.575088][ T4529] gfs2_get_tree+0x4d/0x1e0
[ 274.579682][ T4529] vfs_get_tree+0x88/0x270
[ 274.584198][ T4529] do_new_mount+0x24a/0xa40
[ 274.588734][ T4529] __se_sys_mount+0x2d6/0x3c0
[ 274.593407][ T4529] ? __x64_sys_mount+0xc0/0xc0
[ 274.598253][ T4529] ? lockdep_hardirqs_on+0x94/0x140
[ 274.603527][ T4529] ? __x64_sys_mount+0x1c/0xc0
[ 274.608360][ T4529] do_syscall_64+0x4c/0xa0
[ 274.612753][ T4529] ? clear_bhb_loop+0x30/0x80
[ 274.617406][ T4529] ? clear_bhb_loop+0x30/0x80
[ 274.622143][ T4529] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.628023][ T4529] RIP: 0033:0x7fc3e8c8138a
[ 274.632414][ T4529] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 274.652535][ T4529] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.661032][ T4529] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 274.669261][ T4529] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 274.677414][ T4529] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 274.685374][ T4529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 274.693505][ T4529] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 274.701995][ T4529]
[ 274.706930][ T4529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.720369][ T4529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.042541][ T4530] loop1: detected capacity change from 0 to 32768
[ 275.091929][ T4530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.099451][ T4530] CPU: 1 PID: 4530 Comm: syz.1.184 Not tainted 5.15.189-syzkaller #0
[ 275.107636][ T4530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 275.117803][ T4530] Call Trace:
[ 275.121194][ T4530]
[ 275.124173][ T4530] dump_stack_lvl+0x168/0x230
[ 275.128966][ T4530] ? show_regs_print_info+0x20/0x20
[ 275.134202][ T4530] ? load_image+0x3b0/0x3b0
[ 275.138868][ T4530] sysfs_create_dir_ns+0x252/0x280
[ 275.144024][ T4530] ? __lock_acquire+0x7c60/0x7c60
[ 275.149083][ T4530] ? sysfs_warn_dup+0xa0/0xa0
[ 275.163369][ T4530] ? do_raw_spin_unlock+0x11d/0x230
[ 275.168720][ T4530] kobject_add_internal+0x662/0xd00
[ 275.174062][ T4530] kobject_init_and_add+0x122/0x190
[ 275.179635][ T4530] ? lockdep_softirqs_off+0x420/0x420
[ 275.185222][ T4530] ? kobject_add+0x210/0x210
[ 275.189822][ T4530] ? __init_swait_queue_head+0xa5/0x150
[ 275.195414][ T4530] gfs2_sys_fs_add+0x234/0x480
[ 275.200375][ T4530] ? gfs2_recover_set+0x240/0x240
[ 275.205528][ T4530] ? snprintf+0xd7/0x120
[ 275.210288][ T4530] ? __free_pages+0x95/0x1a0
[ 275.215121][ T4530] ? vscnprintf+0x80/0x80
[ 275.219523][ T4530] gfs2_fill_super+0x128d/0x1f50
[ 275.224449][ T4530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.229481][ T4530] ? preempt_count_add+0x8d/0x190
[ 275.234492][ T4530] ? sb_set_blocksize+0xa5/0xe0
[ 275.239497][ T4530] get_tree_bdev+0x3f1/0x610
[ 275.244155][ T4530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.249378][ T4530] gfs2_get_tree+0x4d/0x1e0
[ 275.253968][ T4530] vfs_get_tree+0x88/0x270
[ 275.258401][ T4530] do_new_mount+0x24a/0xa40
[ 275.263136][ T4530] __se_sys_mount+0x2d6/0x3c0
[ 275.267890][ T4530] ? __x64_sys_mount+0xc0/0xc0
[ 275.272879][ T4530] ? lockdep_hardirqs_on+0x94/0x140
[ 275.278080][ T4530] ? __x64_sys_mount+0x1c/0xc0
[ 275.283042][ T4530] do_syscall_64+0x4c/0xa0
[ 275.287580][ T4530] ? clear_bhb_loop+0x30/0x80
[ 275.292252][ T4530] ? clear_bhb_loop+0x30/0x80
[ 275.297005][ T4530] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.303005][ T4530] RIP: 0033:0x7fc3e8c8138a
[ 275.307492][ T4530] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 275.327650][ T4530] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.336167][ T4530] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 275.344495][ T4530] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 275.352464][ T4530] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 275.360602][ T4530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 275.368563][ T4530] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 275.376705][ T4530]
[ 275.385353][ T4530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.398755][ T4530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.695453][ T4531] loop1: detected capacity change from 0 to 32768
[ 275.714966][ T4531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.722622][ T4531] CPU: 0 PID: 4531 Comm: syz.1.185 Not tainted 5.15.189-syzkaller #0
[ 275.730903][ T4531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 275.741157][ T4531] Call Trace:
[ 275.744457][ T4531]
[ 275.747412][ T4531] dump_stack_lvl+0x168/0x230
[ 275.752203][ T4531] ? show_regs_print_info+0x20/0x20
[ 275.757423][ T4531] ? load_image+0x3b0/0x3b0
[ 275.762095][ T4531] sysfs_create_dir_ns+0x252/0x280
[ 275.767242][ T4531] ? __lock_acquire+0x7c60/0x7c60
[ 275.772295][ T4531] ? sysfs_warn_dup+0xa0/0xa0
[ 275.777007][ T4531] ? do_raw_spin_unlock+0x11d/0x230
[ 275.782435][ T4531] kobject_add_internal+0x662/0xd00
[ 275.787808][ T4531] kobject_init_and_add+0x122/0x190
[ 275.793225][ T4531] ? lockdep_softirqs_off+0x420/0x420
[ 275.798762][ T4531] ? kobject_add+0x210/0x210
[ 275.803391][ T4531] ? __init_swait_queue_head+0xa5/0x150
[ 275.809038][ T4531] gfs2_sys_fs_add+0x234/0x480
[ 275.813808][ T4531] ? gfs2_recover_set+0x240/0x240
[ 275.818821][ T4531] ? snprintf+0xd7/0x120
[ 275.823058][ T4531] ? __free_pages+0x95/0x1a0
[ 275.827634][ T4531] ? vscnprintf+0x80/0x80
[ 275.832048][ T4531] gfs2_fill_super+0x128d/0x1f50
[ 275.837184][ T4531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.842370][ T4531] ? preempt_count_add+0x8d/0x190
[ 275.847417][ T4531] ? sb_set_blocksize+0xa5/0xe0
[ 275.852367][ T4531] get_tree_bdev+0x3f1/0x610
[ 275.856998][ T4531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.862042][ T4531] gfs2_get_tree+0x4d/0x1e0
[ 275.866632][ T4531] vfs_get_tree+0x88/0x270
[ 275.871068][ T4531] do_new_mount+0x24a/0xa40
[ 275.875692][ T4531] __se_sys_mount+0x2d6/0x3c0
[ 275.880377][ T4531] ? __x64_sys_mount+0xc0/0xc0
[ 275.885222][ T4531] ? lockdep_hardirqs_on+0x94/0x140
[ 275.890420][ T4531] ? __x64_sys_mount+0x1c/0xc0
[ 275.895251][ T4531] do_syscall_64+0x4c/0xa0
[ 275.899670][ T4531] ? clear_bhb_loop+0x30/0x80
[ 275.904424][ T4531] ? clear_bhb_loop+0x30/0x80
[ 275.909183][ T4531] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.915164][ T4531] RIP: 0033:0x7fc3e8c8138a
[ 275.919572][ T4531] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 275.939450][ T4531] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.948074][ T4531] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 275.956115][ T4531] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 275.964213][ T4531] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 275.972183][ T4531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 275.980554][ T4531] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 275.988526][ T4531]
[ 275.994389][ T4531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.007562][ T4531] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 07:03:25 executed programs: 171
[ 276.338897][ T4532] loop1: detected capacity change from 0 to 32768
[ 276.393506][ T4532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.401397][ T4532] CPU: 1 PID: 4532 Comm: syz.1.186 Not tainted 5.15.189-syzkaller #0
[ 276.409600][ T4532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 276.419679][ T4532] Call Trace:
[ 276.422982][ T4532]
[ 276.425932][ T4532] dump_stack_lvl+0x168/0x230
[ 276.431143][ T4532] ? show_regs_print_info+0x20/0x20
[ 276.436381][ T4532] ? load_image+0x3b0/0x3b0
[ 276.440929][ T4532] sysfs_create_dir_ns+0x252/0x280
[ 276.446165][ T4532] ? __lock_acquire+0x7c60/0x7c60
[ 276.451388][ T4532] ? sysfs_warn_dup+0xa0/0xa0
[ 276.456273][ T4532] ? do_raw_spin_unlock+0x11d/0x230
[ 276.461507][ T4532] kobject_add_internal+0x662/0xd00
[ 276.466742][ T4532] kobject_init_and_add+0x122/0x190
[ 276.472141][ T4532] ? lockdep_softirqs_off+0x420/0x420
[ 276.477545][ T4532] ? kobject_add+0x210/0x210
[ 276.482398][ T4532] ? __init_swait_queue_head+0xa5/0x150
[ 276.488326][ T4532] gfs2_sys_fs_add+0x234/0x480
[ 276.493266][ T4532] ? gfs2_recover_set+0x240/0x240
[ 276.498308][ T4532] ? snprintf+0xd7/0x120
[ 276.502825][ T4532] ? __free_pages+0x95/0x1a0
[ 276.507502][ T4532] ? vscnprintf+0x80/0x80
[ 276.511861][ T4532] gfs2_fill_super+0x128d/0x1f50
[ 276.516824][ T4532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.521832][ T4532] ? preempt_count_add+0x8d/0x190
[ 276.527025][ T4532] ? sb_set_blocksize+0xa5/0xe0
[ 276.531884][ T4532] get_tree_bdev+0x3f1/0x610
[ 276.536468][ T4532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.541718][ T4532] gfs2_get_tree+0x4d/0x1e0
[ 276.546333][ T4532] vfs_get_tree+0x88/0x270
[ 276.550758][ T4532] do_new_mount+0x24a/0xa40
[ 276.555258][ T4532] __se_sys_mount+0x2d6/0x3c0
[ 276.560062][ T4532] ? __x64_sys_mount+0xc0/0xc0
[ 276.564855][ T4532] ? lockdep_hardirqs_on+0x94/0x140
[ 276.570044][ T4532] ? __x64_sys_mount+0x1c/0xc0
[ 276.574891][ T4532] do_syscall_64+0x4c/0xa0
[ 276.579532][ T4532] ? clear_bhb_loop+0x30/0x80
[ 276.584213][ T4532] ? clear_bhb_loop+0x30/0x80
[ 276.588898][ T4532] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 276.595044][ T4532] RIP: 0033:0x7fc3e8c8138a
[ 276.599543][ T4532] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 276.619525][ T4532] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.627929][ T4532] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 276.636090][ T4532] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 276.644055][ T4532] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 276.652440][ T4532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 276.660711][ T4532] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 276.668932][ T4532]
[ 276.673558][ T4532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.687253][ T4532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.007271][ T4533] loop1: detected capacity change from 0 to 32768
[ 277.079176][ T4533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.086914][ T4533] CPU: 0 PID: 4533 Comm: syz.1.187 Not tainted 5.15.189-syzkaller #0
[ 277.095011][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 277.105098][ T4533] Call Trace:
[ 277.108415][ T4533]
[ 277.111467][ T4533] dump_stack_lvl+0x168/0x230
[ 277.116304][ T4533] ? show_regs_print_info+0x20/0x20
[ 277.121533][ T4533] ? load_image+0x3b0/0x3b0
[ 277.126172][ T4533] sysfs_create_dir_ns+0x252/0x280
[ 277.131318][ T4533] ? __lock_acquire+0x7c60/0x7c60
[ 277.136471][ T4533] ? sysfs_warn_dup+0xa0/0xa0
[ 277.141269][ T4533] ? do_raw_spin_unlock+0x11d/0x230
[ 277.146504][ T4533] kobject_add_internal+0x662/0xd00
[ 277.151837][ T4533] kobject_init_and_add+0x122/0x190
[ 277.157143][ T4533] ? lockdep_softirqs_off+0x420/0x420
[ 277.162546][ T4533] ? kobject_add+0x210/0x210
[ 277.167136][ T4533] ? __init_swait_queue_head+0xa5/0x150
[ 277.172773][ T4533] gfs2_sys_fs_add+0x234/0x480
[ 277.177540][ T4533] ? gfs2_recover_set+0x240/0x240
[ 277.182558][ T4533] ? snprintf+0xd7/0x120
[ 277.187006][ T4533] ? __free_pages+0x95/0x1a0
[ 277.191596][ T4533] ? vscnprintf+0x80/0x80
[ 277.195941][ T4533] gfs2_fill_super+0x128d/0x1f50
[ 277.200911][ T4533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.206029][ T4533] ? preempt_count_add+0x8d/0x190
[ 277.211039][ T4533] ? sb_set_blocksize+0xa5/0xe0
[ 277.215884][ T4533] get_tree_bdev+0x3f1/0x610
[ 277.220453][ T4533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.225542][ T4533] gfs2_get_tree+0x4d/0x1e0
[ 277.230025][ T4533] vfs_get_tree+0x88/0x270
[ 277.234421][ T4533] do_new_mount+0x24a/0xa40
[ 277.238909][ T4533] __se_sys_mount+0x2d6/0x3c0
[ 277.243677][ T4533] ? __x64_sys_mount+0xc0/0xc0
[ 277.248605][ T4533] ? lockdep_hardirqs_on+0x94/0x140
[ 277.253910][ T4533] ? __x64_sys_mount+0x1c/0xc0
[ 277.258975][ T4533] do_syscall_64+0x4c/0xa0
[ 277.263404][ T4533] ? clear_bhb_loop+0x30/0x80
[ 277.268260][ T4533] ? clear_bhb_loop+0x30/0x80
[ 277.273024][ T4533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.278914][ T4533] RIP: 0033:0x7fc3e8c8138a
[ 277.283471][ T4533] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 277.303432][ T4533] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.312055][ T4533] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 277.320453][ T4533] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 277.328477][ T4533] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 277.336578][ T4533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 277.344642][ T4533] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 277.352628][ T4533]
[ 277.357253][ T4533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.370771][ T4533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.686774][ T4534] loop1: detected capacity change from 0 to 32768
[ 277.706707][ T4534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.716672][ T4534] CPU: 0 PID: 4534 Comm: syz.1.188 Not tainted 5.15.189-syzkaller #0
[ 277.724882][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 277.735336][ T4534] Call Trace:
[ 277.738642][ T4534]
[ 277.741952][ T4534] dump_stack_lvl+0x168/0x230
[ 277.746671][ T4534] ? show_regs_print_info+0x20/0x20
[ 277.751899][ T4534] ? load_image+0x3b0/0x3b0
[ 277.756540][ T4534] sysfs_create_dir_ns+0x252/0x280
[ 277.761694][ T4534] ? __lock_acquire+0x7c60/0x7c60
[ 277.766744][ T4534] ? sysfs_warn_dup+0xa0/0xa0
[ 277.771450][ T4534] ? do_raw_spin_unlock+0x11d/0x230
[ 277.776683][ T4534] kobject_add_internal+0x662/0xd00
[ 277.781999][ T4534] kobject_init_and_add+0x122/0x190
[ 277.787409][ T4534] ? lockdep_softirqs_off+0x420/0x420
[ 277.792769][ T4534] ? kobject_add+0x210/0x210
[ 277.797343][ T4534] ? __init_swait_queue_head+0xa5/0x150
[ 277.802875][ T4534] gfs2_sys_fs_add+0x234/0x480
[ 277.807646][ T4534] ? gfs2_recover_set+0x240/0x240
[ 277.812836][ T4534] ? snprintf+0xd7/0x120
[ 277.817080][ T4534] ? __free_pages+0x95/0x1a0
[ 277.821650][ T4534] ? vscnprintf+0x80/0x80
[ 277.825958][ T4534] gfs2_fill_super+0x128d/0x1f50
[ 277.830917][ T4534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.835935][ T4534] ? preempt_count_add+0x8d/0x190
[ 277.840950][ T4534] ? sb_set_blocksize+0xa5/0xe0
[ 277.845819][ T4534] get_tree_bdev+0x3f1/0x610
[ 277.850595][ T4534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.855777][ T4534] gfs2_get_tree+0x4d/0x1e0
[ 277.860396][ T4534] vfs_get_tree+0x88/0x270
[ 277.864912][ T4534] do_new_mount+0x24a/0xa40
[ 277.869582][ T4534] __se_sys_mount+0x2d6/0x3c0
[ 277.874373][ T4534] ? __x64_sys_mount+0xc0/0xc0
[ 277.879339][ T4534] ? lockdep_hardirqs_on+0x94/0x140
[ 277.884654][ T4534] ? __x64_sys_mount+0x1c/0xc0
[ 277.889422][ T4534] do_syscall_64+0x4c/0xa0
[ 277.894241][ T4534] ? clear_bhb_loop+0x30/0x80
[ 277.899018][ T4534] ? clear_bhb_loop+0x30/0x80
[ 277.903876][ T4534] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.909847][ T4534] RIP: 0033:0x7fc3e8c8138a
[ 277.914262][ T4534] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 277.934053][ T4534] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.942463][ T4534] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 277.950431][ T4534] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 277.958489][ T4534] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 277.966535][ T4534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 277.974593][ T4534] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 277.982554][ T4534]
[ 277.987503][ T4534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.000926][ T4534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.306492][ T4535] loop1: detected capacity change from 0 to 32768
[ 278.358513][ T4535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.366005][ T4535] CPU: 0 PID: 4535 Comm: syz.1.189 Not tainted 5.15.189-syzkaller #0
[ 278.374278][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 278.384885][ T4535] Call Trace:
[ 278.388203][ T4535]
[ 278.391156][ T4535] dump_stack_lvl+0x168/0x230
[ 278.395862][ T4535] ? show_regs_print_info+0x20/0x20
[ 278.401174][ T4535] ? load_image+0x3b0/0x3b0
[ 278.405715][ T4535] sysfs_create_dir_ns+0x252/0x280
[ 278.411098][ T4535] ? __lock_acquire+0x7c60/0x7c60
[ 278.416169][ T4535] ? sysfs_warn_dup+0xa0/0xa0
[ 278.420972][ T4535] ? do_raw_spin_unlock+0x11d/0x230
[ 278.426290][ T4535] kobject_add_internal+0x662/0xd00
[ 278.431609][ T4535] kobject_init_and_add+0x122/0x190
[ 278.436835][ T4535] ? lockdep_softirqs_off+0x420/0x420
[ 278.442341][ T4535] ? kobject_add+0x210/0x210
[ 278.447049][ T4535] ? __init_swait_queue_head+0xa5/0x150
[ 278.452914][ T4535] gfs2_sys_fs_add+0x234/0x480
[ 278.457670][ T4535] ? gfs2_recover_set+0x240/0x240
[ 278.462686][ T4535] ? snprintf+0xd7/0x120
[ 278.466938][ T4535] ? __free_pages+0x95/0x1a0
[ 278.471796][ T4535] ? vscnprintf+0x80/0x80
[ 278.476282][ T4535] gfs2_fill_super+0x128d/0x1f50
[ 278.481248][ T4535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.486723][ T4535] ? preempt_count_add+0x8d/0x190
[ 278.491753][ T4535] ? sb_set_blocksize+0xa5/0xe0
[ 278.496698][ T4535] get_tree_bdev+0x3f1/0x610
[ 278.501288][ T4535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.506383][ T4535] gfs2_get_tree+0x4d/0x1e0
[ 278.510885][ T4535] vfs_get_tree+0x88/0x270
[ 278.515421][ T4535] do_new_mount+0x24a/0xa40
[ 278.519925][ T4535] __se_sys_mount+0x2d6/0x3c0
[ 278.524624][ T4535] ? __x64_sys_mount+0xc0/0xc0
[ 278.529524][ T4535] ? lockdep_hardirqs_on+0x94/0x140
[ 278.534743][ T4535] ? __x64_sys_mount+0x1c/0xc0
[ 278.539488][ T4535] do_syscall_64+0x4c/0xa0
[ 278.543980][ T4535] ? clear_bhb_loop+0x30/0x80
[ 278.548637][ T4535] ? clear_bhb_loop+0x30/0x80
[ 278.553393][ T4535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 278.559923][ T4535] RIP: 0033:0x7fc3e8c8138a
[ 278.564488][ T4535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 278.584434][ T4535] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.593121][ T4535] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 278.601171][ T4535] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 278.609298][ T4535] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 278.617342][ T4535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 278.625320][ T4535] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 278.633393][ T4535]
[ 278.637706][ T4535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.651094][ T4535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.959010][ T4536] loop1: detected capacity change from 0 to 32768
[ 279.017398][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.025218][ T4536] CPU: 0 PID: 4536 Comm: syz.1.190 Not tainted 5.15.189-syzkaller #0
[ 279.033315][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 279.043763][ T4536] Call Trace:
[ 279.047073][ T4536]
[ 279.050032][ T4536] dump_stack_lvl+0x168/0x230
[ 279.054740][ T4536] ? show_regs_print_info+0x20/0x20
[ 279.060137][ T4536] ? load_image+0x3b0/0x3b0
[ 279.064776][ T4536] sysfs_create_dir_ns+0x252/0x280
[ 279.069925][ T4536] ? __lock_acquire+0x7c60/0x7c60
[ 279.074991][ T4536] ? sysfs_warn_dup+0xa0/0xa0
[ 279.079761][ T4536] ? do_raw_spin_unlock+0x11d/0x230
[ 279.084991][ T4536] kobject_add_internal+0x662/0xd00
[ 279.090324][ T4536] kobject_init_and_add+0x122/0x190
[ 279.095722][ T4536] ? lockdep_softirqs_off+0x420/0x420
[ 279.101154][ T4536] ? kobject_add+0x210/0x210
[ 279.106210][ T4536] ? __init_swait_queue_head+0xa5/0x150
[ 279.111867][ T4536] gfs2_sys_fs_add+0x234/0x480
[ 279.116623][ T4536] ? gfs2_recover_set+0x240/0x240
[ 279.121628][ T4536] ? snprintf+0xd7/0x120
[ 279.126031][ T4536] ? __free_pages+0x95/0x1a0
[ 279.130709][ T4536] ? vscnprintf+0x80/0x80
[ 279.135039][ T4536] gfs2_fill_super+0x128d/0x1f50
[ 279.139966][ T4536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.145234][ T4536] ? preempt_count_add+0x8d/0x190
[ 279.150246][ T4536] ? sb_set_blocksize+0xa5/0xe0
[ 279.155532][ T4536] get_tree_bdev+0x3f1/0x610
[ 279.160229][ T4536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.165264][ T4536] gfs2_get_tree+0x4d/0x1e0
[ 279.169852][ T4536] vfs_get_tree+0x88/0x270
[ 279.174378][ T4536] do_new_mount+0x24a/0xa40
[ 279.178932][ T4536] __se_sys_mount+0x2d6/0x3c0
[ 279.183795][ T4536] ? __x64_sys_mount+0xc0/0xc0
[ 279.188566][ T4536] ? lockdep_hardirqs_on+0x94/0x140
[ 279.193796][ T4536] ? __x64_sys_mount+0x1c/0xc0
[ 279.198943][ T4536] do_syscall_64+0x4c/0xa0
[ 279.203363][ T4536] ? clear_bhb_loop+0x30/0x80
[ 279.208038][ T4536] ? clear_bhb_loop+0x30/0x80
[ 279.212962][ T4536] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.218988][ T4536] RIP: 0033:0x7fc3e8c8138a
[ 279.223579][ T4536] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 279.244251][ T4536] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.252664][ T4536] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 279.260653][ T4536] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 279.268705][ T4536] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 279.276960][ T4536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 279.285016][ T4536] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 279.293238][ T4536]
[ 279.306389][ T4536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.319891][ T4536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.616859][ T4537] loop1: detected capacity change from 0 to 32768
[ 279.669849][ T4537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.677295][ T4537] CPU: 0 PID: 4537 Comm: syz.1.191 Not tainted 5.15.189-syzkaller #0
[ 279.685569][ T4537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 279.695919][ T4537] Call Trace:
[ 279.699403][ T4537]
[ 279.702354][ T4537] dump_stack_lvl+0x168/0x230
[ 279.707063][ T4537] ? show_regs_print_info+0x20/0x20
[ 279.712294][ T4537] ? load_image+0x3b0/0x3b0
[ 279.716840][ T4537] sysfs_create_dir_ns+0x252/0x280
[ 279.721982][ T4537] ? __lock_acquire+0x7c60/0x7c60
[ 279.727033][ T4537] ? sysfs_warn_dup+0xa0/0xa0
[ 279.731832][ T4537] ? do_raw_spin_unlock+0x11d/0x230
[ 279.737064][ T4537] kobject_add_internal+0x662/0xd00
[ 279.742299][ T4537] kobject_init_and_add+0x122/0x190
[ 279.747710][ T4537] ? lockdep_softirqs_off+0x420/0x420
[ 279.753189][ T4537] ? kobject_add+0x210/0x210
[ 279.757855][ T4537] ? __init_swait_queue_head+0xa5/0x150
[ 279.763388][ T4537] gfs2_sys_fs_add+0x234/0x480
[ 279.768242][ T4537] ? gfs2_recover_set+0x240/0x240
[ 279.773264][ T4537] ? snprintf+0xd7/0x120
[ 279.777488][ T4537] ? __free_pages+0x95/0x1a0
[ 279.782280][ T4537] ? vscnprintf+0x80/0x80
[ 279.786612][ T4537] gfs2_fill_super+0x128d/0x1f50
[ 279.791619][ T4537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.796754][ T4537] ? preempt_count_add+0x8d/0x190
[ 279.801867][ T4537] ? sb_set_blocksize+0xa5/0xe0
[ 279.806755][ T4537] get_tree_bdev+0x3f1/0x610
[ 279.811334][ T4537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.816530][ T4537] gfs2_get_tree+0x4d/0x1e0
[ 279.821014][ T4537] vfs_get_tree+0x88/0x270
[ 279.825424][ T4537] do_new_mount+0x24a/0xa40
[ 279.829922][ T4537] __se_sys_mount+0x2d6/0x3c0
[ 279.834618][ T4537] ? __x64_sys_mount+0xc0/0xc0
[ 279.839362][ T4537] ? lockdep_hardirqs_on+0x94/0x140
[ 279.844785][ T4537] ? __x64_sys_mount+0x1c/0xc0
[ 279.849621][ T4537] do_syscall_64+0x4c/0xa0
[ 279.854127][ T4537] ? clear_bhb_loop+0x30/0x80
[ 279.858876][ T4537] ? clear_bhb_loop+0x30/0x80
[ 279.863539][ T4537] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.869436][ T4537] RIP: 0033:0x7fc3e8c8138a
[ 279.873838][ T4537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 279.894111][ T4537] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.903042][ T4537] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 279.911003][ T4537] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 279.919050][ T4537] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 279.927199][ T4537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 279.935154][ T4537] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 279.943114][ T4537]
[ 279.947456][ T4537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.960781][ T4537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.246317][ T4538] loop1: detected capacity change from 0 to 32768
[ 280.301550][ T4538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.319787][ T4538] CPU: 1 PID: 4538 Comm: syz.1.192 Not tainted 5.15.189-syzkaller #0
[ 280.328047][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 280.338557][ T4538] Call Trace:
[ 280.341859][ T4538]
[ 280.344917][ T4538] dump_stack_lvl+0x168/0x230
[ 280.349627][ T4538] ? show_regs_print_info+0x20/0x20
[ 280.354935][ T4538] ? load_image+0x3b0/0x3b0
[ 280.359589][ T4538] sysfs_create_dir_ns+0x252/0x280
[ 280.364816][ T4538] ? __lock_acquire+0x7c60/0x7c60
[ 280.370067][ T4538] ? sysfs_warn_dup+0xa0/0xa0
[ 280.374780][ T4538] ? do_raw_spin_unlock+0x11d/0x230
[ 280.380134][ T4538] kobject_add_internal+0x662/0xd00
[ 280.385630][ T4538] kobject_init_and_add+0x122/0x190
[ 280.390851][ T4538] ? lockdep_softirqs_off+0x420/0x420
[ 280.396246][ T4538] ? kobject_add+0x210/0x210
[ 280.400914][ T4538] ? __init_swait_queue_head+0xa5/0x150
[ 280.406475][ T4538] gfs2_sys_fs_add+0x234/0x480
[ 280.411252][ T4538] ? gfs2_recover_set+0x240/0x240
[ 280.416267][ T4538] ? snprintf+0xd7/0x120
[ 280.420507][ T4538] ? __free_pages+0x95/0x1a0
[ 280.425120][ T4538] ? vscnprintf+0x80/0x80
[ 280.429440][ T4538] gfs2_fill_super+0x128d/0x1f50
[ 280.434392][ T4538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.439399][ T4538] ? preempt_count_add+0x8d/0x190
[ 280.444546][ T4538] ? sb_set_blocksize+0xa5/0xe0
[ 280.449393][ T4538] get_tree_bdev+0x3f1/0x610
[ 280.454063][ T4538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.459083][ T4538] gfs2_get_tree+0x4d/0x1e0
[ 280.463584][ T4538] vfs_get_tree+0x88/0x270
[ 280.467998][ T4538] do_new_mount+0x24a/0xa40
[ 280.472753][ T4538] __se_sys_mount+0x2d6/0x3c0
[ 280.477445][ T4538] ? __x64_sys_mount+0xc0/0xc0
[ 280.482216][ T4538] ? lockdep_hardirqs_on+0x94/0x140
[ 280.487680][ T4538] ? __x64_sys_mount+0x1c/0xc0
[ 280.492437][ T4538] do_syscall_64+0x4c/0xa0
[ 280.496842][ T4538] ? clear_bhb_loop+0x30/0x80
[ 280.501568][ T4538] ? clear_bhb_loop+0x30/0x80
[ 280.506256][ T4538] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.512142][ T4538] RIP: 0033:0x7fc3e8c8138a
[ 280.516593][ T4538] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 280.536190][ T4538] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.544680][ T4538] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 280.552812][ T4538] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 280.560784][ T4538] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 280.568851][ T4538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 280.576838][ T4538] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 280.585102][ T4538]
[ 280.589560][ T4538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.605484][ T4538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.909308][ T4539] loop1: detected capacity change from 0 to 32768
[ 280.966560][ T4539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.977284][ T4539] CPU: 0 PID: 4539 Comm: syz.1.193 Not tainted 5.15.189-syzkaller #0
[ 280.985712][ T4539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 280.995928][ T4539] Call Trace:
[ 280.999241][ T4539]
[ 281.002208][ T4539] dump_stack_lvl+0x168/0x230
[ 281.006999][ T4539] ? show_regs_print_info+0x20/0x20
[ 281.012212][ T4539] ? load_image+0x3b0/0x3b0
[ 281.016854][ T4539] sysfs_create_dir_ns+0x252/0x280
[ 281.022174][ T4539] ? __lock_acquire+0x7c60/0x7c60
[ 281.027231][ T4539] ? sysfs_warn_dup+0xa0/0xa0
[ 281.031937][ T4539] ? do_raw_spin_unlock+0x11d/0x230
[ 281.037198][ T4539] kobject_add_internal+0x662/0xd00
[ 281.042519][ T4539] kobject_init_and_add+0x122/0x190
[ 281.047843][ T4539] ? lockdep_softirqs_off+0x420/0x420
[ 281.053250][ T4539] ? kobject_add+0x210/0x210
[ 281.057942][ T4539] ? __init_swait_queue_head+0xa5/0x150
[ 281.063686][ T4539] gfs2_sys_fs_add+0x234/0x480
[ 281.068444][ T4539] ? gfs2_recover_set+0x240/0x240
[ 281.073565][ T4539] ? snprintf+0xd7/0x120
[ 281.077987][ T4539] ? __free_pages+0x95/0x1a0
[ 281.082756][ T4539] ? vscnprintf+0x80/0x80
[ 281.087081][ T4539] gfs2_fill_super+0x128d/0x1f50
[ 281.092378][ T4539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.097514][ T4539] ? preempt_count_add+0x8d/0x190
[ 281.102726][ T4539] ? sb_set_blocksize+0xa5/0xe0
[ 281.107577][ T4539] get_tree_bdev+0x3f1/0x610
[ 281.112171][ T4539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.117290][ T4539] gfs2_get_tree+0x4d/0x1e0
[ 281.121794][ T4539] vfs_get_tree+0x88/0x270
[ 281.126296][ T4539] do_new_mount+0x24a/0xa40
[ 281.130808][ T4539] __se_sys_mount+0x2d6/0x3c0
[ 281.135590][ T4539] ? __x64_sys_mount+0xc0/0xc0
[ 281.140350][ T4539] ? lockdep_hardirqs_on+0x94/0x140
[ 281.145583][ T4539] ? __x64_sys_mount+0x1c/0xc0
[ 281.150336][ T4539] do_syscall_64+0x4c/0xa0
[ 281.154731][ T4539] ? clear_bhb_loop+0x30/0x80
[ 281.159396][ T4539] ? clear_bhb_loop+0x30/0x80
[ 281.164186][ T4539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.170080][ T4539] RIP: 0033:0x7fc3e8c8138a
[ 281.174496][ T4539] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 281.194744][ T4539] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.203144][ T4539] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 281.211132][ T4539] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 281.219089][ T4539] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 281.227223][ T4539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 281.235190][ T4539] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 281.243242][ T4539]
[ 281.247850][ T4539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.261798][ T4539] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 07:03:30 executed programs: 179
[ 281.589542][ T4540] loop1: detected capacity change from 0 to 32768
[ 281.652734][ T4540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.661371][ T4540] CPU: 0 PID: 4540 Comm: syz.1.194 Not tainted 5.15.189-syzkaller #0
[ 281.669631][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 281.679891][ T4540] Call Trace:
[ 281.683197][ T4540]
[ 281.686347][ T4540] dump_stack_lvl+0x168/0x230
[ 281.691154][ T4540] ? show_regs_print_info+0x20/0x20
[ 281.696524][ T4540] ? load_image+0x3b0/0x3b0
[ 281.701252][ T4540] sysfs_create_dir_ns+0x252/0x280
[ 281.706486][ T4540] ? __lock_acquire+0x7c60/0x7c60
[ 281.711589][ T4540] ? sysfs_warn_dup+0xa0/0xa0
[ 281.716476][ T4540] ? do_raw_spin_unlock+0x11d/0x230
[ 281.721898][ T4540] kobject_add_internal+0x662/0xd00
[ 281.727230][ T4540] kobject_init_and_add+0x122/0x190
[ 281.732629][ T4540] ? lockdep_softirqs_off+0x420/0x420
[ 281.738107][ T4540] ? kobject_add+0x210/0x210
[ 281.742785][ T4540] ? __init_swait_queue_head+0xa5/0x150
[ 281.748329][ T4540] gfs2_sys_fs_add+0x234/0x480
[ 281.753103][ T4540] ? gfs2_recover_set+0x240/0x240
[ 281.758228][ T4540] ? snprintf+0xd7/0x120
[ 281.762476][ T4540] ? __free_pages+0x95/0x1a0
[ 281.767239][ T4540] ? vscnprintf+0x80/0x80
[ 281.771602][ T4540] gfs2_fill_super+0x128d/0x1f50
[ 281.776753][ T4540] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.781782][ T4540] ? preempt_count_add+0x8d/0x190
[ 281.786929][ T4540] ? sb_set_blocksize+0xa5/0xe0
[ 281.791945][ T4540] get_tree_bdev+0x3f1/0x610
[ 281.796638][ T4540] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.801682][ T4540] gfs2_get_tree+0x4d/0x1e0
[ 281.806326][ T4540] vfs_get_tree+0x88/0x270
[ 281.811010][ T4540] do_new_mount+0x24a/0xa40
[ 281.815784][ T4540] __se_sys_mount+0x2d6/0x3c0
[ 281.820446][ T4540] ? __x64_sys_mount+0xc0/0xc0
[ 281.825206][ T4540] ? lockdep_hardirqs_on+0x94/0x140
[ 281.830392][ T4540] ? __x64_sys_mount+0x1c/0xc0
[ 281.835133][ T4540] do_syscall_64+0x4c/0xa0
[ 281.839596][ T4540] ? clear_bhb_loop+0x30/0x80
[ 281.844275][ T4540] ? clear_bhb_loop+0x30/0x80
[ 281.848971][ T4540] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.854849][ T4540] RIP: 0033:0x7fc3e8c8138a
[ 281.859249][ T4540] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 281.879734][ T4540] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.888261][ T4540] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 281.896486][ T4540] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 281.904546][ T4540] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 281.912604][ T4540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 281.920655][ T4540] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 281.928626][ T4540]
[ 281.932991][ T4540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.946457][ T4540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.276094][ T4541] loop1: detected capacity change from 0 to 32768
[ 282.332437][ T4541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.340458][ T4541] CPU: 1 PID: 4541 Comm: syz.1.195 Not tainted 5.15.189-syzkaller #0
[ 282.348561][ T4541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 282.358865][ T4541] Call Trace:
[ 282.362175][ T4541]
[ 282.365171][ T4541] dump_stack_lvl+0x168/0x230
[ 282.369970][ T4541] ? show_regs_print_info+0x20/0x20
[ 282.375194][ T4541] ? load_image+0x3b0/0x3b0
[ 282.379829][ T4541] sysfs_create_dir_ns+0x252/0x280
[ 282.385001][ T4541] ? __lock_acquire+0x7c60/0x7c60
[ 282.390246][ T4541] ? sysfs_warn_dup+0xa0/0xa0
[ 282.394962][ T4541] ? do_raw_spin_unlock+0x11d/0x230
[ 282.400273][ T4541] kobject_add_internal+0x662/0xd00
[ 282.405705][ T4541] kobject_init_and_add+0x122/0x190
[ 282.411153][ T4541] ? lockdep_softirqs_off+0x420/0x420
[ 282.416558][ T4541] ? kobject_add+0x210/0x210
[ 282.421355][ T4541] ? __init_swait_queue_head+0xa5/0x150
[ 282.426925][ T4541] gfs2_sys_fs_add+0x234/0x480
[ 282.431913][ T4541] ? gfs2_recover_set+0x240/0x240
[ 282.437044][ T4541] ? snprintf+0xd7/0x120
[ 282.441371][ T4541] ? __free_pages+0x95/0x1a0
[ 282.446156][ T4541] ? vscnprintf+0x80/0x80
[ 282.450545][ T4541] gfs2_fill_super+0x128d/0x1f50
[ 282.455667][ T4541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.460849][ T4541] ? preempt_count_add+0x8d/0x190
[ 282.465882][ T4541] ? sb_set_blocksize+0xa5/0xe0
[ 282.470994][ T4541] get_tree_bdev+0x3f1/0x610
[ 282.475585][ T4541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.480611][ T4541] gfs2_get_tree+0x4d/0x1e0
[ 282.485248][ T4541] vfs_get_tree+0x88/0x270
[ 282.489663][ T4541] do_new_mount+0x24a/0xa40
[ 282.494164][ T4541] __se_sys_mount+0x2d6/0x3c0
[ 282.498843][ T4541] ? __x64_sys_mount+0xc0/0xc0
[ 282.503610][ T4541] ? lockdep_hardirqs_on+0x94/0x140
[ 282.508811][ T4541] ? __x64_sys_mount+0x1c/0xc0
[ 282.513609][ T4541] do_syscall_64+0x4c/0xa0
[ 282.518047][ T4541] ? clear_bhb_loop+0x30/0x80
[ 282.522736][ T4541] ? clear_bhb_loop+0x30/0x80
[ 282.527518][ T4541] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.533496][ T4541] RIP: 0033:0x7fc3e8c8138a
[ 282.537912][ T4541] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 282.557966][ T4541] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.566374][ T4541] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 282.574439][ T4541] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 282.582618][ T4541] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 282.590675][ T4541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 282.598651][ T4541] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 282.606897][ T4541]
[ 282.611320][ T4541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.625078][ T4541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.946140][ T4544] loop1: detected capacity change from 0 to 32768
[ 283.000703][ T4544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.008145][ T4544] CPU: 1 PID: 4544 Comm: syz.1.196 Not tainted 5.15.189-syzkaller #0
[ 283.016333][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 283.026416][ T4544] Call Trace:
[ 283.029817][ T4544]
[ 283.032765][ T4544] dump_stack_lvl+0x168/0x230
[ 283.037501][ T4544] ? show_regs_print_info+0x20/0x20
[ 283.042823][ T4544] ? load_image+0x3b0/0x3b0
[ 283.047397][ T4544] sysfs_create_dir_ns+0x252/0x280
[ 283.052590][ T4544] ? __lock_acquire+0x7c60/0x7c60
[ 283.057648][ T4544] ? sysfs_warn_dup+0xa0/0xa0
[ 283.062640][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 283.067867][ T4544] kobject_add_internal+0x662/0xd00
[ 283.073236][ T4544] kobject_init_and_add+0x122/0x190
[ 283.078556][ T4544] ? lockdep_softirqs_off+0x420/0x420
[ 283.083961][ T4544] ? kobject_add+0x210/0x210
[ 283.088702][ T4544] ? __init_swait_queue_head+0xa5/0x150
[ 283.094272][ T4544] gfs2_sys_fs_add+0x234/0x480
[ 283.099023][ T4544] ? gfs2_recover_set+0x240/0x240
[ 283.104113][ T4544] ? snprintf+0xd7/0x120
[ 283.108333][ T4544] ? __free_pages+0x95/0x1a0
[ 283.112929][ T4544] ? vscnprintf+0x80/0x80
[ 283.117262][ T4544] gfs2_fill_super+0x128d/0x1f50
[ 283.122190][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.127192][ T4544] ? preempt_count_add+0x8d/0x190
[ 283.132209][ T4544] ? sb_set_blocksize+0xa5/0xe0
[ 283.137046][ T4544] get_tree_bdev+0x3f1/0x610
[ 283.162371][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.167408][ T4544] gfs2_get_tree+0x4d/0x1e0
[ 283.172389][ T4544] vfs_get_tree+0x88/0x270
[ 283.176803][ T4544] do_new_mount+0x24a/0xa40
[ 283.181525][ T4544] __se_sys_mount+0x2d6/0x3c0
[ 283.186423][ T4544] ? __x64_sys_mount+0xc0/0xc0
[ 283.191272][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 283.196731][ T4544] ? __x64_sys_mount+0x1c/0xc0
[ 283.201652][ T4544] do_syscall_64+0x4c/0xa0
[ 283.206060][ T4544] ? clear_bhb_loop+0x30/0x80
[ 283.210729][ T4544] ? clear_bhb_loop+0x30/0x80
[ 283.215420][ T4544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.221294][ T4544] RIP: 0033:0x7fc3e8c8138a
[ 283.225698][ T4544] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 283.245588][ T4544] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.254180][ T4544] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 283.262146][ T4544] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 283.270211][ T4544] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 283.278275][ T4544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 283.286237][ T4544] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 283.294385][ T4544]
[ 283.299074][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.312476][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.641492][ T4545] loop1: detected capacity change from 0 to 32768
[ 283.734583][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.742219][ T4545] CPU: 1 PID: 4545 Comm: syz.1.197 Not tainted 5.15.189-syzkaller #0
[ 283.750311][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 283.760575][ T4545] Call Trace:
[ 283.763881][ T4545]
[ 283.766891][ T4545] dump_stack_lvl+0x168/0x230
[ 283.771687][ T4545] ? show_regs_print_info+0x20/0x20
[ 283.777006][ T4545] ? load_image+0x3b0/0x3b0
[ 283.781640][ T4545] sysfs_create_dir_ns+0x252/0x280
[ 283.786866][ T4545] ? __lock_acquire+0x7c60/0x7c60
[ 283.792018][ T4545] ? sysfs_warn_dup+0xa0/0xa0
[ 283.796738][ T4545] ? do_raw_spin_unlock+0x11d/0x230
[ 283.802071][ T4545] kobject_add_internal+0x662/0xd00
[ 283.807270][ T4545] kobject_init_and_add+0x122/0x190
[ 283.812592][ T4545] ? lockdep_softirqs_off+0x420/0x420
[ 283.818225][ T4545] ? kobject_add+0x210/0x210
[ 283.822914][ T4545] ? __init_swait_queue_head+0xa5/0x150
[ 283.828663][ T4545] gfs2_sys_fs_add+0x234/0x480
[ 283.833429][ T4545] ? gfs2_recover_set+0x240/0x240
[ 283.838490][ T4545] ? snprintf+0xd7/0x120
[ 283.842902][ T4545] ? __free_pages+0x95/0x1a0
[ 283.847487][ T4545] ? vscnprintf+0x80/0x80
[ 283.851829][ T4545] gfs2_fill_super+0x128d/0x1f50
[ 283.856774][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.861878][ T4545] ? preempt_count_add+0x8d/0x190
[ 283.866913][ T4545] ? sb_set_blocksize+0xa5/0xe0
[ 283.871853][ T4545] get_tree_bdev+0x3f1/0x610
[ 283.876429][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.881604][ T4545] gfs2_get_tree+0x4d/0x1e0
[ 283.886105][ T4545] vfs_get_tree+0x88/0x270
[ 283.890518][ T4545] do_new_mount+0x24a/0xa40
[ 283.895012][ T4545] __se_sys_mount+0x2d6/0x3c0
[ 283.899692][ T4545] ? __x64_sys_mount+0xc0/0xc0
[ 283.904921][ T4545] ? lockdep_hardirqs_on+0x94/0x140
[ 283.910266][ T4545] ? __x64_sys_mount+0x1c/0xc0
[ 283.915038][ T4545] do_syscall_64+0x4c/0xa0
[ 283.919460][ T4545] ? clear_bhb_loop+0x30/0x80
[ 283.924138][ T4545] ? clear_bhb_loop+0x30/0x80
[ 283.928888][ T4545] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.934768][ T4545] RIP: 0033:0x7fc3e8c8138a
[ 283.939165][ T4545] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 283.958873][ T4545] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.967287][ T4545] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 283.975242][ T4545] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 283.983447][ T4545] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 283.991493][ T4545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 283.999543][ T4545] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 284.007504][ T4545]
[ 284.012105][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.025374][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.336557][ T4548] loop1: detected capacity change from 0 to 32768
[ 284.382314][ T4548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.390887][ T4548] CPU: 0 PID: 4548 Comm: syz.1.198 Not tainted 5.15.189-syzkaller #0
[ 284.398999][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 284.409137][ T4548] Call Trace:
[ 284.412531][ T4548]
[ 284.415496][ T4548] dump_stack_lvl+0x168/0x230
[ 284.420306][ T4548] ? show_regs_print_info+0x20/0x20
[ 284.425634][ T4548] ? load_image+0x3b0/0x3b0
[ 284.430221][ T4548] sysfs_create_dir_ns+0x252/0x280
[ 284.435363][ T4548] ? __lock_acquire+0x7c60/0x7c60
[ 284.440415][ T4548] ? sysfs_warn_dup+0xa0/0xa0
[ 284.445122][ T4548] ? do_raw_spin_unlock+0x11d/0x230
[ 284.450355][ T4548] kobject_add_internal+0x662/0xd00
[ 284.455590][ T4548] kobject_init_and_add+0x122/0x190
[ 284.460934][ T4548] ? lockdep_softirqs_off+0x420/0x420
[ 284.466340][ T4548] ? kobject_add+0x210/0x210
[ 284.470969][ T4548] ? __init_swait_queue_head+0xa5/0x150
[ 284.476682][ T4548] gfs2_sys_fs_add+0x234/0x480
[ 284.481735][ T4548] ? gfs2_recover_set+0x240/0x240
[ 284.486795][ T4548] ? snprintf+0xd7/0x120
[ 284.491071][ T4548] ? __free_pages+0x95/0x1a0
[ 284.495938][ T4548] ? vscnprintf+0x80/0x80
[ 284.500279][ T4548] gfs2_fill_super+0x128d/0x1f50
[ 284.505484][ T4548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.510682][ T4548] ? preempt_count_add+0x8d/0x190
[ 284.515810][ T4548] ? sb_set_blocksize+0xa5/0xe0
[ 284.520642][ T4548] get_tree_bdev+0x3f1/0x610
[ 284.525225][ T4548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.530248][ T4548] gfs2_get_tree+0x4d/0x1e0
[ 284.534758][ T4548] vfs_get_tree+0x88/0x270
[ 284.539151][ T4548] do_new_mount+0x24a/0xa40
[ 284.543732][ T4548] __se_sys_mount+0x2d6/0x3c0
[ 284.548427][ T4548] ? __x64_sys_mount+0xc0/0xc0
[ 284.553396][ T4548] ? lockdep_hardirqs_on+0x94/0x140
[ 284.560673][ T4548] ? __x64_sys_mount+0x1c/0xc0
[ 284.565986][ T4548] do_syscall_64+0x4c/0xa0
[ 284.570519][ T4548] ? clear_bhb_loop+0x30/0x80
[ 284.575738][ T4548] ? clear_bhb_loop+0x30/0x80
[ 284.580487][ T4548] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 284.586459][ T4548] RIP: 0033:0x7fc3e8c8138a
[ 284.590863][ T4548] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 284.610690][ T4548] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.619118][ T4548] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 284.627092][ T4548] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 284.635307][ T4548] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 284.643364][ T4548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 284.651594][ T4548] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 284.659712][ T4548]
[ 284.672676][ T4548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.686264][ T4548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.993701][ T4550] loop1: detected capacity change from 0 to 32768
[ 285.039194][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.049153][ T4550] CPU: 0 PID: 4550 Comm: syz.1.199 Not tainted 5.15.189-syzkaller #0
[ 285.057371][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 285.067763][ T4550] Call Trace:
[ 285.071065][ T4550]
[ 285.074019][ T4550] dump_stack_lvl+0x168/0x230
[ 285.078728][ T4550] ? show_regs_print_info+0x20/0x20
[ 285.083963][ T4550] ? load_image+0x3b0/0x3b0
[ 285.088526][ T4550] sysfs_create_dir_ns+0x252/0x280
[ 285.093815][ T4550] ? __lock_acquire+0x7c60/0x7c60
[ 285.098969][ T4550] ? sysfs_warn_dup+0xa0/0xa0
[ 285.103716][ T4550] ? do_raw_spin_unlock+0x11d/0x230
[ 285.108952][ T4550] kobject_add_internal+0x662/0xd00
[ 285.114385][ T4550] kobject_init_and_add+0x122/0x190
[ 285.119768][ T4550] ? lockdep_softirqs_off+0x420/0x420
[ 285.125338][ T4550] ? kobject_add+0x210/0x210
[ 285.130090][ T4550] ? __init_swait_queue_head+0xa5/0x150
[ 285.135650][ T4550] gfs2_sys_fs_add+0x234/0x480
[ 285.140605][ T4550] ? gfs2_recover_set+0x240/0x240
[ 285.145655][ T4550] ? snprintf+0xd7/0x120
[ 285.149891][ T4550] ? __free_pages+0x95/0x1a0
[ 285.154599][ T4550] ? vscnprintf+0x80/0x80
[ 285.159014][ T4550] gfs2_fill_super+0x128d/0x1f50
[ 285.164214][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.169331][ T4550] ? preempt_count_add+0x8d/0x190
[ 285.174533][ T4550] ? sb_set_blocksize+0xa5/0xe0
[ 285.179505][ T4550] get_tree_bdev+0x3f1/0x610
[ 285.184221][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.189714][ T4550] gfs2_get_tree+0x4d/0x1e0
[ 285.194334][ T4550] vfs_get_tree+0x88/0x270
[ 285.198756][ T4550] do_new_mount+0x24a/0xa40
[ 285.203247][ T4550] __se_sys_mount+0x2d6/0x3c0
[ 285.208184][ T4550] ? __x64_sys_mount+0xc0/0xc0
[ 285.212958][ T4550] ? lockdep_hardirqs_on+0x94/0x140
[ 285.218337][ T4550] ? __x64_sys_mount+0x1c/0xc0
[ 285.223100][ T4550] do_syscall_64+0x4c/0xa0
[ 285.227605][ T4550] ? clear_bhb_loop+0x30/0x80
[ 285.232286][ T4550] ? clear_bhb_loop+0x30/0x80
[ 285.236987][ T4550] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.242980][ T4550] RIP: 0033:0x7fc3e8c8138a
[ 285.247546][ T4550] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 285.267333][ T4550] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.275735][ T4550] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 285.283706][ T4550] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 285.291750][ T4550] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 285.299768][ T4550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 285.307767][ T4550] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 285.315869][ T4550]
[ 285.320227][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.333491][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.658919][ T4551] loop1: detected capacity change from 0 to 32768
[ 285.719564][ T4551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.727261][ T4551] CPU: 1 PID: 4551 Comm: syz.1.200 Not tainted 5.15.189-syzkaller #0
[ 285.735362][ T4551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 285.745727][ T4551] Call Trace:
[ 285.749117][ T4551]
[ 285.752059][ T4551] dump_stack_lvl+0x168/0x230
[ 285.756763][ T4551] ? show_regs_print_info+0x20/0x20
[ 285.762077][ T4551] ? load_image+0x3b0/0x3b0
[ 285.766719][ T4551] sysfs_create_dir_ns+0x252/0x280
[ 285.771878][ T4551] ? __lock_acquire+0x7c60/0x7c60
[ 285.777082][ T4551] ? sysfs_warn_dup+0xa0/0xa0
[ 285.781887][ T4551] ? do_raw_spin_unlock+0x11d/0x230
[ 285.787124][ T4551] kobject_add_internal+0x662/0xd00
[ 285.792362][ T4551] kobject_init_and_add+0x122/0x190
[ 285.798194][ T4551] ? lockdep_softirqs_off+0x420/0x420
[ 285.803742][ T4551] ? kobject_add+0x210/0x210
[ 285.808436][ T4551] ? __init_swait_queue_head+0xa5/0x150
[ 285.814060][ T4551] gfs2_sys_fs_add+0x234/0x480
[ 285.818905][ T4551] ? gfs2_recover_set+0x240/0x240
[ 285.823918][ T4551] ? snprintf+0xd7/0x120
[ 285.828143][ T4551] ? __free_pages+0x95/0x1a0
[ 285.832832][ T4551] ? vscnprintf+0x80/0x80
[ 285.837168][ T4551] gfs2_fill_super+0x128d/0x1f50
[ 285.842104][ T4551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.847492][ T4551] ? preempt_count_add+0x8d/0x190
[ 285.852529][ T4551] ? sb_set_blocksize+0xa5/0xe0
[ 285.857470][ T4551] get_tree_bdev+0x3f1/0x610
[ 285.862067][ T4551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.867087][ T4551] gfs2_get_tree+0x4d/0x1e0
[ 285.871655][ T4551] vfs_get_tree+0x88/0x270
[ 285.876062][ T4551] do_new_mount+0x24a/0xa40
[ 285.880835][ T4551] __se_sys_mount+0x2d6/0x3c0
[ 285.885621][ T4551] ? __x64_sys_mount+0xc0/0xc0
[ 285.890626][ T4551] ? lockdep_hardirqs_on+0x94/0x140
[ 285.895812][ T4551] ? __x64_sys_mount+0x1c/0xc0
[ 285.900835][ T4551] do_syscall_64+0x4c/0xa0
[ 285.905323][ T4551] ? clear_bhb_loop+0x30/0x80
[ 285.910222][ T4551] ? clear_bhb_loop+0x30/0x80
[ 285.915134][ T4551] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.921011][ T4551] RIP: 0033:0x7fc3e8c8138a
[ 285.925496][ T4551] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 285.945441][ T4551] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.953855][ T4551] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 285.961878][ T4551] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 285.969953][ T4551] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 285.977923][ T4551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 285.985989][ T4551] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 285.994142][ T4551]
[ 285.999037][ T4551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.012895][ T4551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.345208][ T4553] loop1: detected capacity change from 0 to 32768
[ 286.399821][ T4553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.407722][ T4553] CPU: 1 PID: 4553 Comm: syz.1.201 Not tainted 5.15.189-syzkaller #0
[ 286.415910][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 286.426339][ T4553] Call Trace:
[ 286.429738][ T4553]
[ 286.432697][ T4553] dump_stack_lvl+0x168/0x230
[ 286.437570][ T4553] ? show_regs_print_info+0x20/0x20
[ 286.442880][ T4553] ? load_image+0x3b0/0x3b0
[ 286.447423][ T4553] sysfs_create_dir_ns+0x252/0x280
[ 286.452577][ T4553] ? __lock_acquire+0x7c60/0x7c60
[ 286.457734][ T4553] ? sysfs_warn_dup+0xa0/0xa0
[ 286.462543][ T4553] ? do_raw_spin_unlock+0x11d/0x230
[ 286.467880][ T4553] kobject_add_internal+0x662/0xd00
[ 286.473209][ T4553] kobject_init_and_add+0x122/0x190
[ 286.478429][ T4553] ? lockdep_softirqs_off+0x420/0x420
[ 286.484003][ T4553] ? kobject_add+0x210/0x210
[ 286.488608][ T4553] ? __init_swait_queue_head+0xa5/0x150
[ 286.494177][ T4553] gfs2_sys_fs_add+0x234/0x480
[ 286.498941][ T4553] ? gfs2_recover_set+0x240/0x240
[ 286.503970][ T4553] ? snprintf+0xd7/0x120
[ 286.508212][ T4553] ? __free_pages+0x95/0x1a0
[ 286.512806][ T4553] ? vscnprintf+0x80/0x80
[ 286.517147][ T4553] gfs2_fill_super+0x128d/0x1f50
[ 286.522218][ T4553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.527226][ T4553] ? preempt_count_add+0x8d/0x190
[ 286.532353][ T4553] ? sb_set_blocksize+0xa5/0xe0
[ 286.537207][ T4553] get_tree_bdev+0x3f1/0x610
[ 286.542195][ T4553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.547308][ T4553] gfs2_get_tree+0x4d/0x1e0
[ 286.551827][ T4553] vfs_get_tree+0x88/0x270
[ 286.556250][ T4553] do_new_mount+0x24a/0xa40
[ 286.560866][ T4553] __se_sys_mount+0x2d6/0x3c0
[ 286.565568][ T4553] ? __x64_sys_mount+0xc0/0xc0
[ 286.570328][ T4553] ? lockdep_hardirqs_on+0x94/0x140
[ 286.575527][ T4553] ? __x64_sys_mount+0x1c/0xc0
[ 286.580282][ T4553] do_syscall_64+0x4c/0xa0
[ 286.584876][ T4553] ? clear_bhb_loop+0x30/0x80
[ 286.589648][ T4553] ? clear_bhb_loop+0x30/0x80
[ 286.594459][ T4553] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.600628][ T4553] RIP: 0033:0x7fc3e8c8138a
[ 286.605131][ T4553] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 286.624997][ T4553] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.633398][ T4553] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 286.641353][ T4553] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 286.649404][ T4553] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 286.657682][ T4553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 286.665651][ T4553] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 286.673716][ T4553]
[ 286.678551][ T4553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.692523][ T4553] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 07:03:36 executed programs: 187
[ 287.003003][ T4554] loop1: detected capacity change from 0 to 32768
[ 287.058886][ T4554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.066583][ T4554] CPU: 1 PID: 4554 Comm: syz.1.202 Not tainted 5.15.189-syzkaller #0
[ 287.074689][ T4554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 287.084879][ T4554] Call Trace:
[ 287.088184][ T4554]
[ 287.091136][ T4554] dump_stack_lvl+0x168/0x230
[ 287.095930][ T4554] ? show_regs_print_info+0x20/0x20
[ 287.101505][ T4554] ? load_image+0x3b0/0x3b0
[ 287.106190][ T4554] sysfs_create_dir_ns+0x252/0x280
[ 287.111560][ T4554] ? __lock_acquire+0x7c60/0x7c60
[ 287.116628][ T4554] ? sysfs_warn_dup+0xa0/0xa0
[ 287.121603][ T4554] ? do_raw_spin_unlock+0x11d/0x230
[ 287.126835][ T4554] kobject_add_internal+0x662/0xd00
[ 287.132069][ T4554] kobject_init_and_add+0x122/0x190
[ 287.137493][ T4554] ? lockdep_softirqs_off+0x420/0x420
[ 287.142906][ T4554] ? kobject_add+0x210/0x210
[ 287.147692][ T4554] ? __init_swait_queue_head+0xa5/0x150
[ 287.153331][ T4554] gfs2_sys_fs_add+0x234/0x480
[ 287.158249][ T4554] ? gfs2_recover_set+0x240/0x240
[ 287.163358][ T4554] ? snprintf+0xd7/0x120
[ 287.167608][ T4554] ? __free_pages+0x95/0x1a0
[ 287.172241][ T4554] ? vscnprintf+0x80/0x80
[ 287.176603][ T4554] gfs2_fill_super+0x128d/0x1f50
[ 287.181543][ T4554] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.186568][ T4554] ? preempt_count_add+0x8d/0x190
[ 287.191712][ T4554] ? sb_set_blocksize+0xa5/0xe0
[ 287.196546][ T4554] get_tree_bdev+0x3f1/0x610
[ 287.201212][ T4554] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.206313][ T4554] gfs2_get_tree+0x4d/0x1e0
[ 287.210797][ T4554] vfs_get_tree+0x88/0x270
[ 287.215401][ T4554] do_new_mount+0x24a/0xa40
[ 287.220020][ T4554] __se_sys_mount+0x2d6/0x3c0
[ 287.224727][ T4554] ? __x64_sys_mount+0xc0/0xc0
[ 287.229498][ T4554] ? lockdep_hardirqs_on+0x94/0x140
[ 287.234704][ T4554] ? __x64_sys_mount+0x1c/0xc0
[ 287.239459][ T4554] do_syscall_64+0x4c/0xa0
[ 287.243871][ T4554] ? clear_bhb_loop+0x30/0x80
[ 287.248533][ T4554] ? clear_bhb_loop+0x30/0x80
[ 287.253281][ T4554] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 287.259334][ T4554] RIP: 0033:0x7fc3e8c8138a
[ 287.263735][ T4554] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 287.283537][ T4554] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.292022][ T4554] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 287.300064][ T4554] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 287.308105][ T4554] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 287.316074][ T4554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 287.324148][ T4554] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 287.332128][ T4554]
[ 287.336492][ T4554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.349875][ T4554] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.646394][ T4555] loop1: detected capacity change from 0 to 32768
[ 287.713524][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.721449][ T4555] CPU: 1 PID: 4555 Comm: syz.1.203 Not tainted 5.15.189-syzkaller #0
[ 287.729741][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 287.739821][ T4555] Call Trace:
[ 287.743123][ T4555]
[ 287.746158][ T4555] dump_stack_lvl+0x168/0x230
[ 287.750959][ T4555] ? show_regs_print_info+0x20/0x20
[ 287.756451][ T4555] ? load_image+0x3b0/0x3b0
[ 287.761102][ T4555] sysfs_create_dir_ns+0x252/0x280
[ 287.766247][ T4555] ? __lock_acquire+0x7c60/0x7c60
[ 287.771390][ T4555] ? sysfs_warn_dup+0xa0/0xa0
[ 287.776188][ T4555] ? do_raw_spin_unlock+0x11d/0x230
[ 287.781679][ T4555] kobject_add_internal+0x662/0xd00
[ 287.787013][ T4555] kobject_init_and_add+0x122/0x190
[ 287.792644][ T4555] ? lockdep_softirqs_off+0x420/0x420
[ 287.798062][ T4555] ? kobject_add+0x210/0x210
[ 287.802866][ T4555] ? __init_swait_queue_head+0xa5/0x150
[ 287.808452][ T4555] gfs2_sys_fs_add+0x234/0x480
[ 287.813209][ T4555] ? gfs2_recover_set+0x240/0x240
[ 287.818606][ T4555] ? snprintf+0xd7/0x120
[ 287.823016][ T4555] ? __free_pages+0x95/0x1a0
[ 287.827595][ T4555] ? vscnprintf+0x80/0x80
[ 287.831912][ T4555] gfs2_fill_super+0x128d/0x1f50
[ 287.836833][ T4555] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.842029][ T4555] ? preempt_count_add+0x8d/0x190
[ 287.847042][ T4555] ? sb_set_blocksize+0xa5/0xe0
[ 287.852001][ T4555] get_tree_bdev+0x3f1/0x610
[ 287.856605][ T4555] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.861851][ T4555] gfs2_get_tree+0x4d/0x1e0
[ 287.866357][ T4555] vfs_get_tree+0x88/0x270
[ 287.870973][ T4555] do_new_mount+0x24a/0xa40
[ 287.875788][ T4555] __se_sys_mount+0x2d6/0x3c0
[ 287.880494][ T4555] ? __x64_sys_mount+0xc0/0xc0
[ 287.885387][ T4555] ? lockdep_hardirqs_on+0x94/0x140
[ 287.890606][ T4555] ? __x64_sys_mount+0x1c/0xc0
[ 287.895380][ T4555] do_syscall_64+0x4c/0xa0
[ 287.899910][ T4555] ? clear_bhb_loop+0x30/0x80
[ 287.904688][ T4555] ? clear_bhb_loop+0x30/0x80
[ 287.909468][ T4555] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 287.915370][ T4555] RIP: 0033:0x7fc3e8c8138a
[ 287.919882][ T4555] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 287.939527][ T4555] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.947936][ T4555] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 287.956103][ T4555] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 287.964501][ T4555] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 287.972633][ T4555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 287.980981][ T4555] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 287.988958][ T4555]
[ 287.993742][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.007155][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.169745][ T4240] Bluetooth: hci1: command 0x0406 tx timeout
[ 288.342937][ T4556] loop1: detected capacity change from 0 to 32768
[ 288.389889][ T4556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.397593][ T4556] CPU: 0 PID: 4556 Comm: syz.1.204 Not tainted 5.15.189-syzkaller #0
[ 288.405685][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 288.415954][ T4556] Call Trace:
[ 288.419260][ T4556]
[ 288.422212][ T4556] dump_stack_lvl+0x168/0x230
[ 288.426921][ T4556] ? show_regs_print_info+0x20/0x20
[ 288.432149][ T4556] ? load_image+0x3b0/0x3b0
[ 288.436712][ T4556] sysfs_create_dir_ns+0x252/0x280
[ 288.442176][ T4556] ? __lock_acquire+0x7c60/0x7c60
[ 288.447424][ T4556] ? sysfs_warn_dup+0xa0/0xa0
[ 288.452310][ T4556] ? do_raw_spin_unlock+0x11d/0x230
[ 288.457620][ T4556] kobject_add_internal+0x662/0xd00
[ 288.463114][ T4556] kobject_init_and_add+0x122/0x190
[ 288.468443][ T4556] ? lockdep_softirqs_off+0x420/0x420
[ 288.473942][ T4556] ? kobject_add+0x210/0x210
[ 288.478559][ T4556] ? __init_swait_queue_head+0xa5/0x150
[ 288.484227][ T4556] gfs2_sys_fs_add+0x234/0x480
[ 288.489209][ T4556] ? gfs2_recover_set+0x240/0x240
[ 288.494421][ T4556] ? snprintf+0xd7/0x120
[ 288.498802][ T4556] ? __free_pages+0x95/0x1a0
[ 288.503727][ T4556] ? vscnprintf+0x80/0x80
[ 288.508061][ T4556] gfs2_fill_super+0x128d/0x1f50
[ 288.512996][ T4556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.518005][ T4556] ? preempt_count_add+0x8d/0x190
[ 288.523010][ T4556] ? sb_set_blocksize+0xa5/0xe0
[ 288.528003][ T4556] get_tree_bdev+0x3f1/0x610
[ 288.532593][ T4556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.537610][ T4556] gfs2_get_tree+0x4d/0x1e0
[ 288.542117][ T4556] vfs_get_tree+0x88/0x270
[ 288.546567][ T4556] do_new_mount+0x24a/0xa40
[ 288.551070][ T4556] __se_sys_mount+0x2d6/0x3c0
[ 288.555832][ T4556] ? __x64_sys_mount+0xc0/0xc0
[ 288.560680][ T4556] ? lockdep_hardirqs_on+0x94/0x140
[ 288.566008][ T4556] ? __x64_sys_mount+0x1c/0xc0
[ 288.570788][ T4556] do_syscall_64+0x4c/0xa0
[ 288.575226][ T4556] ? clear_bhb_loop+0x30/0x80
[ 288.579892][ T4556] ? clear_bhb_loop+0x30/0x80
[ 288.584661][ T4556] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.590688][ T4556] RIP: 0033:0x7fc3e8c8138a
[ 288.595231][ T4556] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 288.614861][ T4556] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.623364][ T4556] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 288.631513][ T4556] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 288.639561][ T4556] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 288.647519][ T4556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 288.655694][ T4556] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 288.663667][ T4556]
[ 288.668117][ T4556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.681663][ T4556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.045978][ T4557] loop1: detected capacity change from 0 to 32768
[ 289.095264][ T4557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.108880][ T4557] CPU: 0 PID: 4557 Comm: syz.1.205 Not tainted 5.15.189-syzkaller #0
[ 289.117092][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 289.127399][ T4557] Call Trace:
[ 289.130709][ T4557]
[ 289.133656][ T4557] dump_stack_lvl+0x168/0x230
[ 289.138368][ T4557] ? show_regs_print_info+0x20/0x20
[ 289.143593][ T4557] ? load_image+0x3b0/0x3b0
[ 289.148140][ T4557] sysfs_create_dir_ns+0x252/0x280
[ 289.153499][ T4557] ? __lock_acquire+0x7c60/0x7c60
[ 289.158676][ T4557] ? sysfs_warn_dup+0xa0/0xa0
[ 289.163394][ T4557] ? do_raw_spin_unlock+0x11d/0x230
[ 289.169074][ T4557] kobject_add_internal+0x662/0xd00
[ 289.174396][ T4557] kobject_init_and_add+0x122/0x190
[ 289.179812][ T4557] ? lockdep_softirqs_off+0x420/0x420
[ 289.185222][ T4557] ? kobject_add+0x210/0x210
[ 289.189975][ T4557] ? __init_swait_queue_head+0xa5/0x150
[ 289.195616][ T4557] gfs2_sys_fs_add+0x234/0x480
[ 289.200585][ T4557] ? gfs2_recover_set+0x240/0x240
[ 289.205650][ T4557] ? snprintf+0xd7/0x120
[ 289.210150][ T4557] ? __free_pages+0x95/0x1a0
[ 289.215161][ T4557] ? vscnprintf+0x80/0x80
[ 289.219586][ T4557] gfs2_fill_super+0x128d/0x1f50
[ 289.224670][ T4557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.229699][ T4557] ? preempt_count_add+0x8d/0x190
[ 289.234938][ T4557] ? sb_set_blocksize+0xa5/0xe0
[ 289.239803][ T4557] get_tree_bdev+0x3f1/0x610
[ 289.244495][ T4557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.249520][ T4557] gfs2_get_tree+0x4d/0x1e0
[ 289.254095][ T4557] vfs_get_tree+0x88/0x270
[ 289.258692][ T4557] do_new_mount+0x24a/0xa40
[ 289.263193][ T4557] __se_sys_mount+0x2d6/0x3c0
[ 289.267858][ T4557] ? __x64_sys_mount+0xc0/0xc0
[ 289.272611][ T4557] ? lockdep_hardirqs_on+0x94/0x140
[ 289.277803][ T4557] ? __x64_sys_mount+0x1c/0xc0
[ 289.282660][ T4557] do_syscall_64+0x4c/0xa0
[ 289.287071][ T4557] ? clear_bhb_loop+0x30/0x80
[ 289.291919][ T4557] ? clear_bhb_loop+0x30/0x80
[ 289.296732][ T4557] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 289.302650][ T4557] RIP: 0033:0x7fc3e8c8138a
[ 289.307057][ T4557] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 289.326840][ T4557] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.335248][ T4557] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 289.343221][ T4557] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 289.351183][ T4557] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 289.359281][ T4557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 289.367355][ T4557] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 289.375340][ T4557]
[ 289.379902][ T4557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.393250][ T4557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.688361][ T4558] loop1: detected capacity change from 0 to 32768
[ 289.745960][ T4558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.754248][ T4558] CPU: 1 PID: 4558 Comm: syz.1.206 Not tainted 5.15.189-syzkaller #0
[ 289.762446][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 289.772909][ T4558] Call Trace:
[ 289.776216][ T4558]
[ 289.779194][ T4558] dump_stack_lvl+0x168/0x230
[ 289.783908][ T4558] ? show_regs_print_info+0x20/0x20
[ 289.789432][ T4558] ? load_image+0x3b0/0x3b0
[ 289.793980][ T4558] sysfs_create_dir_ns+0x252/0x280
[ 289.799124][ T4558] ? __lock_acquire+0x7c60/0x7c60
[ 289.804182][ T4558] ? sysfs_warn_dup+0xa0/0xa0
[ 289.808893][ T4558] ? do_raw_spin_unlock+0x11d/0x230
[ 289.814117][ T4558] kobject_add_internal+0x662/0xd00
[ 289.819535][ T4558] kobject_init_and_add+0x122/0x190
[ 289.824757][ T4558] ? lockdep_softirqs_off+0x420/0x420
[ 289.830154][ T4558] ? kobject_add+0x210/0x210
[ 289.834880][ T4558] ? __init_swait_queue_head+0xa5/0x150
[ 289.840501][ T4558] gfs2_sys_fs_add+0x234/0x480
[ 289.845247][ T4558] ? gfs2_recover_set+0x240/0x240
[ 289.850422][ T4558] ? snprintf+0xd7/0x120
[ 289.854732][ T4558] ? __free_pages+0x95/0x1a0
[ 289.859314][ T4558] ? vscnprintf+0x80/0x80
[ 289.863666][ T4558] gfs2_fill_super+0x128d/0x1f50
[ 289.868633][ T4558] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.873730][ T4558] ? preempt_count_add+0x8d/0x190
[ 289.878875][ T4558] ? sb_set_blocksize+0xa5/0xe0
[ 289.883716][ T4558] get_tree_bdev+0x3f1/0x610
[ 289.888510][ T4558] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.893626][ T4558] gfs2_get_tree+0x4d/0x1e0
[ 289.898241][ T4558] vfs_get_tree+0x88/0x270
[ 289.902848][ T4558] do_new_mount+0x24a/0xa40
[ 289.907436][ T4558] __se_sys_mount+0x2d6/0x3c0
[ 289.912104][ T4558] ? __x64_sys_mount+0xc0/0xc0
[ 289.917024][ T4558] ? lockdep_hardirqs_on+0x94/0x140
[ 289.922202][ T4558] ? __x64_sys_mount+0x1c/0xc0
[ 289.927054][ T4558] do_syscall_64+0x4c/0xa0
[ 289.931452][ T4558] ? clear_bhb_loop+0x30/0x80
[ 289.936124][ T4558] ? clear_bhb_loop+0x30/0x80
[ 289.940790][ T4558] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 289.946780][ T4558] RIP: 0033:0x7fc3e8c8138a
[ 289.951208][ T4558] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 289.971060][ T4558] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.979649][ T4558] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 289.987726][ T4558] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 289.995780][ T4558] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 290.003750][ T4558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 290.011995][ T4558] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 290.020794][ T4558]
[ 290.025427][ T4558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.038945][ T4558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.336865][ T4559] loop1: detected capacity change from 0 to 32768
[ 290.431615][ T4559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.440050][ T4559] CPU: 0 PID: 4559 Comm: syz.1.207 Not tainted 5.15.189-syzkaller #0
[ 290.448162][ T4559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 290.458586][ T4559] Call Trace:
[ 290.461904][ T4559]
[ 290.464942][ T4559] dump_stack_lvl+0x168/0x230
[ 290.469747][ T4559] ? show_regs_print_info+0x20/0x20
[ 290.474976][ T4559] ? load_image+0x3b0/0x3b0
[ 290.479538][ T4559] sysfs_create_dir_ns+0x252/0x280
[ 290.484873][ T4559] ? __lock_acquire+0x7c60/0x7c60
[ 290.490301][ T4559] ? sysfs_warn_dup+0xa0/0xa0
[ 290.495195][ T4559] ? do_raw_spin_unlock+0x11d/0x230
[ 290.500524][ T4559] kobject_add_internal+0x662/0xd00
[ 290.505927][ T4559] kobject_init_and_add+0x122/0x190
[ 290.511151][ T4559] ? lockdep_softirqs_off+0x420/0x420
[ 290.516513][ T4559] ? kobject_add+0x210/0x210
[ 290.521098][ T4559] ? __init_swait_queue_head+0xa5/0x150
[ 290.526649][ T4559] gfs2_sys_fs_add+0x234/0x480
[ 290.531519][ T4559] ? gfs2_recover_set+0x240/0x240
[ 290.536559][ T4559] ? snprintf+0xd7/0x120
[ 290.540785][ T4559] ? __free_pages+0x95/0x1a0
[ 290.545357][ T4559] ? vscnprintf+0x80/0x80
[ 290.549674][ T4559] gfs2_fill_super+0x128d/0x1f50
[ 290.554601][ T4559] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.559690][ T4559] ? preempt_count_add+0x8d/0x190
[ 290.564791][ T4559] ? sb_set_blocksize+0xa5/0xe0
[ 290.569624][ T4559] get_tree_bdev+0x3f1/0x610
[ 290.574221][ T4559] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.579318][ T4559] gfs2_get_tree+0x4d/0x1e0
[ 290.583796][ T4559] vfs_get_tree+0x88/0x270
[ 290.588202][ T4559] do_new_mount+0x24a/0xa40
[ 290.592859][ T4559] __se_sys_mount+0x2d6/0x3c0
[ 290.597533][ T4559] ? __x64_sys_mount+0xc0/0xc0
[ 290.602295][ T4559] ? lockdep_hardirqs_on+0x94/0x140
[ 290.607572][ T4559] ? __x64_sys_mount+0x1c/0xc0
[ 290.612317][ T4559] do_syscall_64+0x4c/0xa0
[ 290.616734][ T4559] ? clear_bhb_loop+0x30/0x80
[ 290.621406][ T4559] ? clear_bhb_loop+0x30/0x80
[ 290.626067][ T4559] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 290.631955][ T4559] RIP: 0033:0x7fc3e8c8138a
[ 290.636465][ T4559] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 290.656991][ T4559] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.665576][ T4559] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 290.673531][ T4559] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 290.681490][ T4559] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 290.689539][ T4559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 290.697487][ T4559] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 290.705532][ T4559]
[ 290.710403][ T4559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.724084][ T4559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.039350][ T4560] loop1: detected capacity change from 0 to 32768
[ 291.118504][ T4560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.127521][ T4560] CPU: 1 PID: 4560 Comm: syz.1.208 Not tainted 5.15.189-syzkaller #0
[ 291.135636][ T4560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 291.146164][ T4560] Call Trace:
[ 291.149473][ T4560]
[ 291.152537][ T4560] dump_stack_lvl+0x168/0x230
[ 291.157261][ T4560] ? show_regs_print_info+0x20/0x20
[ 291.162495][ T4560] ? load_image+0x3b0/0x3b0
[ 291.167141][ T4560] sysfs_create_dir_ns+0x252/0x280
[ 291.172477][ T4560] ? __lock_acquire+0x7c60/0x7c60
[ 291.177541][ T4560] ? sysfs_warn_dup+0xa0/0xa0
[ 291.182338][ T4560] ? do_raw_spin_unlock+0x11d/0x230
[ 291.187573][ T4560] kobject_add_internal+0x662/0xd00
[ 291.192897][ T4560] kobject_init_and_add+0x122/0x190
[ 291.198118][ T4560] ? lockdep_softirqs_off+0x420/0x420
[ 291.203695][ T4560] ? kobject_add+0x210/0x210
[ 291.208275][ T4560] ? __init_swait_queue_head+0xa5/0x150
[ 291.213819][ T4560] gfs2_sys_fs_add+0x234/0x480
[ 291.218583][ T4560] ? gfs2_recover_set+0x240/0x240
[ 291.223585][ T4560] ? snprintf+0xd7/0x120
[ 291.227812][ T4560] ? __free_pages+0x95/0x1a0
[ 291.232385][ T4560] ? vscnprintf+0x80/0x80
[ 291.236798][ T4560] gfs2_fill_super+0x128d/0x1f50
[ 291.241720][ T4560] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.246727][ T4560] ? preempt_count_add+0x8d/0x190
[ 291.251928][ T4560] ? sb_set_blocksize+0xa5/0xe0
[ 291.256758][ T4560] get_tree_bdev+0x3f1/0x610
[ 291.261326][ T4560] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.266512][ T4560] gfs2_get_tree+0x4d/0x1e0
[ 291.270993][ T4560] vfs_get_tree+0x88/0x270
[ 291.275391][ T4560] do_new_mount+0x24a/0xa40
[ 291.279967][ T4560] __se_sys_mount+0x2d6/0x3c0
[ 291.284723][ T4560] ? __x64_sys_mount+0xc0/0xc0
[ 291.289475][ T4560] ? lockdep_hardirqs_on+0x94/0x140
[ 291.294663][ T4560] ? __x64_sys_mount+0x1c/0xc0
[ 291.299404][ T4560] do_syscall_64+0x4c/0xa0
[ 291.303802][ T4560] ? clear_bhb_loop+0x30/0x80
[ 291.308456][ T4560] ? clear_bhb_loop+0x30/0x80
[ 291.313110][ T4560] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.319431][ T4560] RIP: 0033:0x7fc3e8c8138a
[ 291.324044][ T4560] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 291.343646][ T4560] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.352043][ T4560] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 291.359996][ T4560] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 291.368136][ T4560] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 291.376362][ T4560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 291.384342][ T4560] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 291.392430][ T4560]
[ 291.397951][ T4560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.411386][ T4560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.721557][ T4561] loop1: detected capacity change from 0 to 32768
[ 291.784411][ T4561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.791965][ T4561] CPU: 0 PID: 4561 Comm: syz.1.209 Not tainted 5.15.189-syzkaller #0
[ 291.800153][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 291.810462][ T4561] Call Trace:
[ 291.813771][ T4561]
[ 291.816725][ T4561] dump_stack_lvl+0x168/0x230
[ 291.821621][ T4561] ? show_regs_print_info+0x20/0x20
[ 291.826850][ T4561] ? load_image+0x3b0/0x3b0
[ 291.831403][ T4561] sysfs_create_dir_ns+0x252/0x280
[ 291.836551][ T4561] ? __lock_acquire+0x7c60/0x7c60
[ 291.841652][ T4561] ? sysfs_warn_dup+0xa0/0xa0
[ 291.846376][ T4561] ? do_raw_spin_unlock+0x11d/0x230
[ 291.851617][ T4561] kobject_add_internal+0x662/0xd00
[ 291.856851][ T4561] kobject_init_and_add+0x122/0x190
[ 291.862073][ T4561] ? lockdep_softirqs_off+0x420/0x420
[ 291.867471][ T4561] ? kobject_add+0x210/0x210
[ 291.872050][ T4561] ? __init_swait_queue_head+0xa5/0x150
[ 291.877594][ T4561] gfs2_sys_fs_add+0x234/0x480
[ 291.882340][ T4561] ? gfs2_recover_set+0x240/0x240
[ 291.887527][ T4561] ? snprintf+0xd7/0x120
[ 291.891769][ T4561] ? __free_pages+0x95/0x1a0
[ 291.896347][ T4561] ? vscnprintf+0x80/0x80
[ 291.900703][ T4561] gfs2_fill_super+0x128d/0x1f50
[ 291.905721][ T4561] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.911082][ T4561] ? preempt_count_add+0x8d/0x190
[ 291.916219][ T4561] ? sb_set_blocksize+0xa5/0xe0
[ 291.921057][ T4561] get_tree_bdev+0x3f1/0x610
[ 291.925632][ T4561] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.930653][ T4561] gfs2_get_tree+0x4d/0x1e0
[ 291.935344][ T4561] vfs_get_tree+0x88/0x270
[ 291.939853][ T4561] do_new_mount+0x24a/0xa40
[ 291.944375][ T4561] __se_sys_mount+0x2d6/0x3c0
[ 291.949038][ T4561] ? __x64_sys_mount+0xc0/0xc0
[ 291.953783][ T4561] ? lockdep_hardirqs_on+0x94/0x140
[ 291.958960][ T4561] ? __x64_sys_mount+0x1c/0xc0
[ 291.963710][ T4561] do_syscall_64+0x4c/0xa0
[ 291.968119][ T4561] ? clear_bhb_loop+0x30/0x80
[ 291.972781][ T4561] ? clear_bhb_loop+0x30/0x80
[ 291.977537][ T4561] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.983583][ T4561] RIP: 0033:0x7fc3e8c8138a
[ 291.988065][ T4561] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 292.007796][ T4561] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.016299][ T4561] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 292.024519][ T4561] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 292.032625][ T4561] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 292.040693][ T4561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 292.048657][ T4561] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 292.056707][ T4561]
[ 292.066576][ T4561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.080489][ T4561] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 07:03:41 executed programs: 195
[ 292.368417][ T4562] loop1: detected capacity change from 0 to 32768
[ 292.388949][ T4562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.396584][ T4562] CPU: 0 PID: 4562 Comm: syz.1.210 Not tainted 5.15.189-syzkaller #0
[ 292.404811][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 292.415075][ T4562] Call Trace:
[ 292.418425][ T4562]
[ 292.421371][ T4562] dump_stack_lvl+0x168/0x230
[ 292.426080][ T4562] ? show_regs_print_info+0x20/0x20
[ 292.431311][ T4562] ? load_image+0x3b0/0x3b0
[ 292.435865][ T4562] sysfs_create_dir_ns+0x252/0x280
[ 292.441010][ T4562] ? __lock_acquire+0x7c60/0x7c60
[ 292.446063][ T4562] ? sysfs_warn_dup+0xa0/0xa0
[ 292.450872][ T4562] ? do_raw_spin_unlock+0x11d/0x230
[ 292.456096][ T4562] kobject_add_internal+0x662/0xd00
[ 292.461327][ T4562] kobject_init_and_add+0x122/0x190
[ 292.466633][ T4562] ? lockdep_softirqs_off+0x420/0x420
[ 292.472084][ T4562] ? kobject_add+0x210/0x210
[ 292.476838][ T4562] ? __init_swait_queue_head+0xa5/0x150
[ 292.482618][ T4562] gfs2_sys_fs_add+0x234/0x480
[ 292.487663][ T4562] ? gfs2_recover_set+0x240/0x240
[ 292.492886][ T4562] ? snprintf+0xd7/0x120
[ 292.497207][ T4562] ? __free_pages+0x95/0x1a0
[ 292.501794][ T4562] ? vscnprintf+0x80/0x80
[ 292.506141][ T4562] gfs2_fill_super+0x128d/0x1f50
[ 292.511070][ T4562] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.516094][ T4562] ? preempt_count_add+0x8d/0x190
[ 292.521120][ T4562] ? sb_set_blocksize+0xa5/0xe0
[ 292.525967][ T4562] get_tree_bdev+0x3f1/0x610
[ 292.530539][ T4562] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.535551][ T4562] gfs2_get_tree+0x4d/0x1e0
[ 292.540045][ T4562] vfs_get_tree+0x88/0x270
[ 292.544442][ T4562] do_new_mount+0x24a/0xa40
[ 292.548941][ T4562] __se_sys_mount+0x2d6/0x3c0
[ 292.553622][ T4562] ? __x64_sys_mount+0xc0/0xc0
[ 292.558498][ T4562] ? lockdep_hardirqs_on+0x94/0x140
[ 292.564090][ T4562] ? __x64_sys_mount+0x1c/0xc0
[ 292.568979][ T4562] do_syscall_64+0x4c/0xa0
[ 292.573564][ T4562] ? clear_bhb_loop+0x30/0x80
[ 292.578226][ T4562] ? clear_bhb_loop+0x30/0x80
[ 292.582910][ T4562] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 292.588788][ T4562] RIP: 0033:0x7fc3e8c8138a
[ 292.593279][ T4562] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 292.613129][ T4562] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.621542][ T4562] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 292.629505][ T4562] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 292.637650][ T4562] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 292.645694][ T4562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 292.653662][ T4562] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 292.661639][ T4562]
[ 292.666309][ T4562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.679686][ T4562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.976332][ T4563] loop1: detected capacity change from 0 to 32768
[ 293.044067][ T4563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.051899][ T4563] CPU: 1 PID: 4563 Comm: syz.1.211 Not tainted 5.15.189-syzkaller #0
[ 293.060136][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 293.070227][ T4563] Call Trace:
[ 293.073616][ T4563]
[ 293.076565][ T4563] dump_stack_lvl+0x168/0x230
[ 293.081272][ T4563] ? show_regs_print_info+0x20/0x20
[ 293.086501][ T4563] ? load_image+0x3b0/0x3b0
[ 293.091050][ T4563] sysfs_create_dir_ns+0x252/0x280
[ 293.096195][ T4563] ? __lock_acquire+0x7c60/0x7c60
[ 293.101287][ T4563] ? sysfs_warn_dup+0xa0/0xa0
[ 293.106088][ T4563] ? do_raw_spin_unlock+0x11d/0x230
[ 293.111401][ T4563] kobject_add_internal+0x662/0xd00
[ 293.116630][ T4563] kobject_init_and_add+0x122/0x190
[ 293.121862][ T4563] ? lockdep_softirqs_off+0x420/0x420
[ 293.127258][ T4563] ? kobject_add+0x210/0x210
[ 293.131841][ T4563] ? __init_swait_queue_head+0xa5/0x150
[ 293.137550][ T4563] gfs2_sys_fs_add+0x234/0x480
[ 293.142310][ T4563] ? gfs2_recover_set+0x240/0x240
[ 293.147316][ T4563] ? snprintf+0xd7/0x120
[ 293.151538][ T4563] ? __free_pages+0x95/0x1a0
[ 293.156218][ T4563] ? vscnprintf+0x80/0x80
[ 293.160651][ T4563] gfs2_fill_super+0x128d/0x1f50
[ 293.165724][ T4563] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.170760][ T4563] ? preempt_count_add+0x8d/0x190
[ 293.175784][ T4563] ? sb_set_blocksize+0xa5/0xe0
[ 293.180788][ T4563] get_tree_bdev+0x3f1/0x610
[ 293.185613][ T4563] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.190634][ T4563] gfs2_get_tree+0x4d/0x1e0
[ 293.195128][ T4563] vfs_get_tree+0x88/0x270
[ 293.199618][ T4563] do_new_mount+0x24a/0xa40
[ 293.204121][ T4563] __se_sys_mount+0x2d6/0x3c0
[ 293.208875][ T4563] ? __x64_sys_mount+0xc0/0xc0
[ 293.213622][ T4563] ? lockdep_hardirqs_on+0x94/0x140
[ 293.218975][ T4563] ? __x64_sys_mount+0x1c/0xc0
[ 293.223727][ T4563] do_syscall_64+0x4c/0xa0
[ 293.228310][ T4563] ? clear_bhb_loop+0x30/0x80
[ 293.233151][ T4563] ? clear_bhb_loop+0x30/0x80
[ 293.237922][ T4563] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.243812][ T4563] RIP: 0033:0x7fc3e8c8138a
[ 293.248227][ T4563] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 293.268632][ T4563] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.277134][ T4563] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 293.285353][ T4563] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 293.293313][ T4563] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 293.301364][ T4563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 293.309502][ T4563] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 293.317725][ T4563]
[ 293.322087][ T4563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.335935][ T4563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.655166][ T4564] loop1: detected capacity change from 0 to 32768
[ 293.741703][ T4564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.750196][ T4564] CPU: 0 PID: 4564 Comm: syz.1.212 Not tainted 5.15.189-syzkaller #0
[ 293.758305][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 293.768556][ T4564] Call Trace:
[ 293.771849][ T4564]
[ 293.774809][ T4564] dump_stack_lvl+0x168/0x230
[ 293.779519][ T4564] ? show_regs_print_info+0x20/0x20
[ 293.784847][ T4564] ? load_image+0x3b0/0x3b0
[ 293.789402][ T4564] sysfs_create_dir_ns+0x252/0x280
[ 293.794557][ T4564] ? __lock_acquire+0x7c60/0x7c60
[ 293.799621][ T4564] ? sysfs_warn_dup+0xa0/0xa0
[ 293.804332][ T4564] ? do_raw_spin_unlock+0x11d/0x230
[ 293.809575][ T4564] kobject_add_internal+0x662/0xd00
[ 293.814971][ T4564] kobject_init_and_add+0x122/0x190
[ 293.820251][ T4564] ? lockdep_softirqs_off+0x420/0x420
[ 293.825699][ T4564] ? kobject_add+0x210/0x210
[ 293.830288][ T4564] ? __init_swait_queue_head+0xa5/0x150
[ 293.835917][ T4564] gfs2_sys_fs_add+0x234/0x480
[ 293.840762][ T4564] ? gfs2_recover_set+0x240/0x240
[ 293.845964][ T4564] ? snprintf+0xd7/0x120
[ 293.850375][ T4564] ? __free_pages+0x95/0x1a0
[ 293.855185][ T4564] ? vscnprintf+0x80/0x80
[ 293.859894][ T4564] gfs2_fill_super+0x128d/0x1f50
[ 293.864830][ T4564] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.869848][ T4564] ? preempt_count_add+0x8d/0x190
[ 293.875073][ T4564] ? sb_set_blocksize+0xa5/0xe0
[ 293.879929][ T4564] get_tree_bdev+0x3f1/0x610
[ 293.884630][ T4564] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.889699][ T4564] gfs2_get_tree+0x4d/0x1e0
[ 293.894364][ T4564] vfs_get_tree+0x88/0x270
[ 293.898789][ T4564] do_new_mount+0x24a/0xa40
[ 293.903284][ T4564] __se_sys_mount+0x2d6/0x3c0
[ 293.908128][ T4564] ? __x64_sys_mount+0xc0/0xc0
[ 293.912962][ T4564] ? lockdep_hardirqs_on+0x94/0x140
[ 293.918143][ T4564] ? __x64_sys_mount+0x1c/0xc0
[ 293.923157][ T4564] do_syscall_64+0x4c/0xa0
[ 293.927551][ T4564] ? clear_bhb_loop+0x30/0x80
[ 293.932202][ T4564] ? clear_bhb_loop+0x30/0x80
[ 293.936859][ T4564] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.942729][ T4564] RIP: 0033:0x7fc3e8c8138a
[ 293.947123][ T4564] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 293.966719][ T4564] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.975317][ T4564] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 293.983286][ T4564] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 293.991256][ T4564] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 293.999303][ T4564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 294.007433][ T4564] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 294.015402][ T4564]
[ 294.019857][ T4564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.033028][ T4564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.349831][ T4565] loop1: detected capacity change from 0 to 32768
[ 294.401377][ T4565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.408902][ T4565] CPU: 0 PID: 4565 Comm: syz.1.213 Not tainted 5.15.189-syzkaller #0
[ 294.417004][ T4565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 294.427182][ T4565] Call Trace:
[ 294.430571][ T4565]
[ 294.433521][ T4565] dump_stack_lvl+0x168/0x230
[ 294.438344][ T4565] ? show_regs_print_info+0x20/0x20
[ 294.443618][ T4565] ? load_image+0x3b0/0x3b0
[ 294.448255][ T4565] sysfs_create_dir_ns+0x252/0x280
[ 294.453440][ T4565] ? __lock_acquire+0x7c60/0x7c60
[ 294.458508][ T4565] ? sysfs_warn_dup+0xa0/0xa0
[ 294.463215][ T4565] ? do_raw_spin_unlock+0x11d/0x230
[ 294.468701][ T4565] kobject_add_internal+0x662/0xd00
[ 294.474114][ T4565] kobject_init_and_add+0x122/0x190
[ 294.479335][ T4565] ? lockdep_softirqs_off+0x420/0x420
[ 294.484973][ T4565] ? kobject_add+0x210/0x210
[ 294.489546][ T4565] ? __init_swait_queue_head+0xa5/0x150
[ 294.495081][ T4565] gfs2_sys_fs_add+0x234/0x480
[ 294.500005][ T4565] ? gfs2_recover_set+0x240/0x240
[ 294.505032][ T4565] ? snprintf+0xd7/0x120
[ 294.509315][ T4565] ? __free_pages+0x95/0x1a0
[ 294.513903][ T4565] ? vscnprintf+0x80/0x80
[ 294.518232][ T4565] gfs2_fill_super+0x128d/0x1f50
[ 294.523185][ T4565] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.528323][ T4565] ? preempt_count_add+0x8d/0x190
[ 294.533335][ T4565] ? sb_set_blocksize+0xa5/0xe0
[ 294.538176][ T4565] get_tree_bdev+0x3f1/0x610
[ 294.542756][ T4565] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.547786][ T4565] gfs2_get_tree+0x4d/0x1e0
[ 294.552303][ T4565] vfs_get_tree+0x88/0x270
[ 294.556719][ T4565] do_new_mount+0x24a/0xa40
[ 294.561208][ T4565] __se_sys_mount+0x2d6/0x3c0
[ 294.565870][ T4565] ? __x64_sys_mount+0xc0/0xc0
[ 294.570631][ T4565] ? lockdep_hardirqs_on+0x94/0x140
[ 294.576034][ T4565] ? __x64_sys_mount+0x1c/0xc0
[ 294.580893][ T4565] do_syscall_64+0x4c/0xa0
[ 294.585401][ T4565] ? clear_bhb_loop+0x30/0x80
[ 294.590196][ T4565] ? clear_bhb_loop+0x30/0x80
[ 294.594976][ T4565] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 294.600866][ T4565] RIP: 0033:0x7fc3e8c8138a
[ 294.605266][ T4565] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 294.625395][ T4565] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.633984][ T4565] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 294.641943][ T4565] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 294.650013][ T4565] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 294.658107][ T4565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 294.666172][ T4565] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 294.674229][ T4565]
[ 294.679066][ T4565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.692547][ T4565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.007605][ T4566] loop1: detected capacity change from 0 to 32768
[ 295.076198][ T4566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.084000][ T4566] CPU: 0 PID: 4566 Comm: syz.1.214 Not tainted 5.15.189-syzkaller #0
[ 295.092394][ T4566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 295.102743][ T4566] Call Trace:
[ 295.106068][ T4566]
[ 295.109131][ T4566] dump_stack_lvl+0x168/0x230
[ 295.113899][ T4566] ? show_regs_print_info+0x20/0x20
[ 295.119221][ T4566] ? load_image+0x3b0/0x3b0
[ 295.123859][ T4566] sysfs_create_dir_ns+0x252/0x280
[ 295.129006][ T4566] ? __lock_acquire+0x7c60/0x7c60
[ 295.134069][ T4566] ? sysfs_warn_dup+0xa0/0xa0
[ 295.138888][ T4566] ? do_raw_spin_unlock+0x11d/0x230
[ 295.144116][ T4566] kobject_add_internal+0x662/0xd00
[ 295.149343][ T4566] kobject_init_and_add+0x122/0x190
[ 295.154827][ T4566] ? lockdep_softirqs_off+0x420/0x420
[ 295.160246][ T4566] ? kobject_add+0x210/0x210
[ 295.164959][ T4566] ? __init_swait_queue_head+0xa5/0x150
[ 295.170554][ T4566] gfs2_sys_fs_add+0x234/0x480
[ 295.175422][ T4566] ? gfs2_recover_set+0x240/0x240
[ 295.180793][ T4566] ? snprintf+0xd7/0x120
[ 295.185042][ T4566] ? __free_pages+0x95/0x1a0
[ 295.189623][ T4566] ? vscnprintf+0x80/0x80
[ 295.194106][ T4566] gfs2_fill_super+0x128d/0x1f50
[ 295.199115][ T4566] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.204225][ T4566] ? preempt_count_add+0x8d/0x190
[ 295.209355][ T4566] ? sb_set_blocksize+0xa5/0xe0
[ 295.214210][ T4566] get_tree_bdev+0x3f1/0x610
[ 295.218782][ T4566] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.223876][ T4566] gfs2_get_tree+0x4d/0x1e0
[ 295.228372][ T4566] vfs_get_tree+0x88/0x270
[ 295.232767][ T4566] do_new_mount+0x24a/0xa40
[ 295.237269][ T4566] __se_sys_mount+0x2d6/0x3c0
[ 295.241925][ T4566] ? __x64_sys_mount+0xc0/0xc0
[ 295.246670][ T4566] ? lockdep_hardirqs_on+0x94/0x140
[ 295.251849][ T4566] ? __x64_sys_mount+0x1c/0xc0
[ 295.256685][ T4566] do_syscall_64+0x4c/0xa0
[ 295.261078][ T4566] ? clear_bhb_loop+0x30/0x80
[ 295.265828][ T4566] ? clear_bhb_loop+0x30/0x80
[ 295.270631][ T4566] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 295.276667][ T4566] RIP: 0033:0x7fc3e8c8138a
[ 295.281502][ T4566] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 295.301535][ T4566] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.309945][ T4566] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 295.318141][ T4566] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 295.326441][ T4566] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 295.334600][ T4566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 295.342821][ T4566] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 295.350815][ T4566]
[ 295.363357][ T4566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.376639][ T4566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.678952][ T4567] loop1: detected capacity change from 0 to 32768
[ 295.740633][ T4567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.748062][ T4567] CPU: 1 PID: 4567 Comm: syz.1.215 Not tainted 5.15.189-syzkaller #0
[ 295.756274][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 295.766516][ T4567] Call Trace:
[ 295.769821][ T4567]
[ 295.772772][ T4567] dump_stack_lvl+0x168/0x230
[ 295.777565][ T4567] ? show_regs_print_info+0x20/0x20
[ 295.782792][ T4567] ? load_image+0x3b0/0x3b0
[ 295.787564][ T4567] sysfs_create_dir_ns+0x252/0x280
[ 295.792708][ T4567] ? __lock_acquire+0x7c60/0x7c60
[ 295.797853][ T4567] ? sysfs_warn_dup+0xa0/0xa0
[ 295.802558][ T4567] ? do_raw_spin_unlock+0x11d/0x230
[ 295.807881][ T4567] kobject_add_internal+0x662/0xd00
[ 295.813137][ T4567] kobject_init_and_add+0x122/0x190
[ 295.818637][ T4567] ? lockdep_softirqs_off+0x420/0x420
[ 295.824113][ T4567] ? kobject_add+0x210/0x210
[ 295.828911][ T4567] ? __init_swait_queue_head+0xa5/0x150
[ 295.834534][ T4567] gfs2_sys_fs_add+0x234/0x480
[ 295.839293][ T4567] ? gfs2_recover_set+0x240/0x240
[ 295.844305][ T4567] ? snprintf+0xd7/0x120
[ 295.848548][ T4567] ? __free_pages+0x95/0x1a0
[ 295.853207][ T4567] ? vscnprintf+0x80/0x80
[ 295.857521][ T4567] gfs2_fill_super+0x128d/0x1f50
[ 295.862540][ T4567] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.867542][ T4567] ? preempt_count_add+0x8d/0x190
[ 295.872648][ T4567] ? sb_set_blocksize+0xa5/0xe0
[ 295.877505][ T4567] get_tree_bdev+0x3f1/0x610
[ 295.882196][ T4567] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.887548][ T4567] gfs2_get_tree+0x4d/0x1e0
[ 295.892056][ T4567] vfs_get_tree+0x88/0x270
[ 295.896543][ T4567] do_new_mount+0x24a/0xa40
[ 295.901032][ T4567] __se_sys_mount+0x2d6/0x3c0
[ 295.905799][ T4567] ? __x64_sys_mount+0xc0/0xc0
[ 295.911256][ T4567] ? lockdep_hardirqs_on+0x94/0x140
[ 295.916564][ T4567] ? __x64_sys_mount+0x1c/0xc0
[ 295.921529][ T4567] do_syscall_64+0x4c/0xa0
[ 295.926119][ T4567] ? clear_bhb_loop+0x30/0x80
[ 295.930799][ T4567] ? clear_bhb_loop+0x30/0x80
[ 295.935499][ T4567] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 295.941479][ T4567] RIP: 0033:0x7fc3e8c8138a
[ 295.945911][ T4567] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 295.965969][ T4567] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.974487][ T4567] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 295.982554][ T4567] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 295.990719][ T4567] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 295.998714][ T4567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 296.006775][ T4567] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 296.014919][ T4567]
[ 296.020068][ T4567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.040433][ T4567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.354226][ T4568] loop1: detected capacity change from 0 to 32768
[ 296.409869][ T4568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.417480][ T4568] CPU: 1 PID: 4568 Comm: syz.1.216 Not tainted 5.15.189-syzkaller #0
[ 296.425748][ T4568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 296.435825][ T4568] Call Trace:
[ 296.439134][ T4568]
[ 296.442100][ T4568] dump_stack_lvl+0x168/0x230
[ 296.446900][ T4568] ? show_regs_print_info+0x20/0x20
[ 296.452311][ T4568] ? load_image+0x3b0/0x3b0
[ 296.456851][ T4568] sysfs_create_dir_ns+0x252/0x280
[ 296.462076][ T4568] ? __lock_acquire+0x7c60/0x7c60
[ 296.467131][ T4568] ? sysfs_warn_dup+0xa0/0xa0
[ 296.471852][ T4568] ? do_raw_spin_unlock+0x11d/0x230
[ 296.477079][ T4568] kobject_add_internal+0x662/0xd00
[ 296.482403][ T4568] kobject_init_and_add+0x122/0x190
[ 296.487623][ T4568] ? lockdep_softirqs_off+0x420/0x420
[ 296.493081][ T4568] ? kobject_add+0x210/0x210
[ 296.497701][ T4568] ? __init_swait_queue_head+0xa5/0x150
[ 296.503462][ T4568] gfs2_sys_fs_add+0x234/0x480
[ 296.508251][ T4568] ? gfs2_recover_set+0x240/0x240
[ 296.513344][ T4568] ? snprintf+0xd7/0x120
[ 296.517567][ T4568] ? __free_pages+0x95/0x1a0
[ 296.522157][ T4568] ? vscnprintf+0x80/0x80
[ 296.526472][ T4568] gfs2_fill_super+0x128d/0x1f50
[ 296.531462][ T4568] ? gfs2_reconfigure+0xcd0/0xcd0
[ 296.536603][ T4568] ? preempt_count_add+0x8d/0x190
[ 296.541620][ T4568] ? sb_set_blocksize+0xa5/0xe0
[ 296.546452][ T4568] get_tree_bdev+0x3f1/0x610
[ 296.551171][ T4568] ? gfs2_reconfigure+0xcd0/0xcd0
[ 296.556292][ T4568] gfs2_get_tree+0x4d/0x1e0
[ 296.560975][ T4568] vfs_get_tree+0x88/0x270
[ 296.565418][ T4568] do_new_mount+0x24a/0xa40
[ 296.569922][ T4568] __se_sys_mount+0x2d6/0x3c0
[ 296.574793][ T4568] ? __x64_sys_mount+0xc0/0xc0
[ 296.580138][ T4568] ? lockdep_hardirqs_on+0x94/0x140
[ 296.585521][ T4568] ? __x64_sys_mount+0x1c/0xc0
[ 296.590493][ T4568] do_syscall_64+0x4c/0xa0
[ 296.594897][ T4568] ? clear_bhb_loop+0x30/0x80
[ 296.599613][ T4568] ? clear_bhb_loop+0x30/0x80
[ 296.604298][ T4568] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 296.610195][ T4568] RIP: 0033:0x7fc3e8c8138a
[ 296.614628][ T4568] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 296.634471][ T4568] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.643019][ T4568] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 296.650986][ T4568] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 296.658958][ T4568] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 296.667103][ T4568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 296.675250][ T4568] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 296.683320][ T4568]
[ 296.688658][ T4568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.702211][ T4568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.025955][ T4569] loop1: detected capacity change from 0 to 32768
[ 297.079863][ T4569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.087293][ T4569] CPU: 1 PID: 4569 Comm: syz.1.217 Not tainted 5.15.189-syzkaller #0
[ 297.095473][ T4569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 297.105560][ T4569] Call Trace:
[ 297.108869][ T4569]
[ 297.111821][ T4569] dump_stack_lvl+0x168/0x230
[ 297.116529][ T4569] ? show_regs_print_info+0x20/0x20
[ 297.121856][ T4569] ? load_image+0x3b0/0x3b0
[ 297.126408][ T4569] sysfs_create_dir_ns+0x252/0x280
[ 297.131645][ T4569] ? __lock_acquire+0x7c60/0x7c60
[ 297.136720][ T4569] ? sysfs_warn_dup+0xa0/0xa0
[ 297.141451][ T4569] ? do_raw_spin_unlock+0x11d/0x230
[ 297.146766][ T4569] kobject_add_internal+0x662/0xd00
[ 297.152184][ T4569] kobject_init_and_add+0x122/0x190
[ 297.157525][ T4569] ? lockdep_softirqs_off+0x420/0x420
[ 297.162940][ T4569] ? kobject_add+0x210/0x210
[ 297.167571][ T4569] ? __init_swait_queue_head+0xa5/0x150
[ 297.173150][ T4569] gfs2_sys_fs_add+0x234/0x480
[ 297.177917][ T4569] ? gfs2_recover_set+0x240/0x240
[ 297.182923][ T4569] ? snprintf+0xd7/0x120
[ 297.187147][ T4569] ? __free_pages+0x95/0x1a0
[ 297.191728][ T4569] ? vscnprintf+0x80/0x80
[ 297.196071][ T4569] gfs2_fill_super+0x128d/0x1f50
[ 297.201102][ T4569] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.206105][ T4569] ? preempt_count_add+0x8d/0x190
[ 297.211128][ T4569] ? sb_set_blocksize+0xa5/0xe0
[ 297.215973][ T4569] get_tree_bdev+0x3f1/0x610
[ 297.220560][ T4569] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.225763][ T4569] gfs2_get_tree+0x4d/0x1e0
[ 297.230459][ T4569] vfs_get_tree+0x88/0x270
[ 297.234984][ T4569] do_new_mount+0x24a/0xa40
[ 297.239581][ T4569] __se_sys_mount+0x2d6/0x3c0
[ 297.244271][ T4569] ? __x64_sys_mount+0xc0/0xc0
[ 297.249028][ T4569] ? lockdep_hardirqs_on+0x94/0x140
[ 297.254217][ T4569] ? __x64_sys_mount+0x1c/0xc0
[ 297.259060][ T4569] do_syscall_64+0x4c/0xa0
[ 297.263509][ T4569] ? clear_bhb_loop+0x30/0x80
[ 297.268176][ T4569] ? clear_bhb_loop+0x30/0x80
[ 297.272837][ T4569] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 297.278803][ T4569] RIP: 0033:0x7fc3e8c8138a
[ 297.283477][ T4569] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 297.303278][ T4569] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.311688][ T4569] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 297.319735][ T4569] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 297.327691][ T4569] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 297.335661][ T4569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 297.343805][ T4569] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 297.351767][ T4569]
[ 297.356427][ T4569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.370092][ T4569] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 07:03:46 executed programs: 203
[ 297.703598][ T4570] loop1: detected capacity change from 0 to 32768
[ 297.783406][ T4570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.792348][ T4570] CPU: 0 PID: 4570 Comm: syz.1.218 Not tainted 5.15.189-syzkaller #0
[ 297.800556][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 297.810828][ T4570] Call Trace:
[ 297.814169][ T4570]
[ 297.817141][ T4570] dump_stack_lvl+0x168/0x230
[ 297.821853][ T4570] ? show_regs_print_info+0x20/0x20
[ 297.827079][ T4570] ? load_image+0x3b0/0x3b0
[ 297.831727][ T4570] sysfs_create_dir_ns+0x252/0x280
[ 297.836869][ T4570] ? __lock_acquire+0x7c60/0x7c60
[ 297.841926][ T4570] ? sysfs_warn_dup+0xa0/0xa0
[ 297.846650][ T4570] ? do_raw_spin_unlock+0x11d/0x230
[ 297.851878][ T4570] kobject_add_internal+0x662/0xd00
[ 297.857110][ T4570] kobject_init_and_add+0x122/0x190
[ 297.862607][ T4570] ? lockdep_softirqs_off+0x420/0x420
[ 297.868185][ T4570] ? kobject_add+0x210/0x210
[ 297.872790][ T4570] ? __init_swait_queue_head+0xa5/0x150
[ 297.878346][ T4570] gfs2_sys_fs_add+0x234/0x480
[ 297.883232][ T4570] ? gfs2_recover_set+0x240/0x240
[ 297.888361][ T4570] ? snprintf+0xd7/0x120
[ 297.892812][ T4570] ? __free_pages+0x95/0x1a0
[ 297.897507][ T4570] ? vscnprintf+0x80/0x80
[ 297.901953][ T4570] gfs2_fill_super+0x128d/0x1f50
[ 297.906929][ T4570] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.911955][ T4570] ? preempt_count_add+0x8d/0x190
[ 297.916969][ T4570] ? sb_set_blocksize+0xa5/0xe0
[ 297.921820][ T4570] get_tree_bdev+0x3f1/0x610
[ 297.926412][ T4570] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.931441][ T4570] gfs2_get_tree+0x4d/0x1e0
[ 297.935952][ T4570] vfs_get_tree+0x88/0x270
[ 297.940581][ T4570] do_new_mount+0x24a/0xa40
[ 297.945195][ T4570] __se_sys_mount+0x2d6/0x3c0
[ 297.949878][ T4570] ? __x64_sys_mount+0xc0/0xc0
[ 297.954652][ T4570] ? lockdep_hardirqs_on+0x94/0x140
[ 297.959831][ T4570] ? __x64_sys_mount+0x1c/0xc0
[ 297.964573][ T4570] do_syscall_64+0x4c/0xa0
[ 297.969060][ T4570] ? clear_bhb_loop+0x30/0x80
[ 297.973923][ T4570] ? clear_bhb_loop+0x30/0x80
[ 297.978680][ T4570] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 297.984660][ T4570] RIP: 0033:0x7fc3e8c8138a
[ 297.989243][ T4570] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 298.009581][ T4570] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.018441][ T4570] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 298.026580][ T4570] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 298.034551][ T4570] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 298.042604][ T4570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 298.050759][ T4570] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 298.058755][ T4570]
[ 298.062799][ T4570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.076164][ T4570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.259864][ T27] INFO: task syz.0.17:4331 blocked for more than 143 seconds.
[ 298.267846][ T27] Not tainted 5.15.189-syzkaller #0
[ 298.276553][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 298.286396][ T27] task:syz.0.17 state:D stack:23648 pid: 4331 ppid: 4313 flags:0x00004004
[ 298.299568][ T27] Call Trace:
[ 298.303078][ T27]
[ 298.306042][ T27] __schedule+0x11b8/0x43b0
[ 298.313161][ T27] ? mark_lock+0x94/0x320
[ 298.317633][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 298.324143][ T27] ? lock_chain_count+0x20/0x20
[ 298.329036][ T27] ? release_firmware_map_entry+0x190/0x190
[ 298.340362][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 298.345784][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 298.353294][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 298.358530][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 298.365918][ T27] schedule+0x11b/0x1e0
[ 298.371389][ T27] bit_wait+0xd/0xc0
[ 298.375303][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 298.382252][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 298.388432][ T27] ? __wait_on_bit+0x170/0x170
[ 298.396015][ T27] ? bit_waitqueue+0x30/0x30
[ 298.402575][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 298.407307][ T27] gfs2_statfs_init+0xf9/0x490
[ 298.413575][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 298.419065][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 298.425969][ T27] ? init_per_node+0x2be/0x3d0
[ 298.432219][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 298.437290][ T27] ? init_inodes+0x26a/0x320
[ 298.443494][ T27] gfs2_fill_super+0x1749/0x1f50
[ 298.448676][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.456128][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 298.462686][ T27] ? preempt_count_add+0x8d/0x190
[ 298.467755][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 298.474111][ T27] get_tree_bdev+0x3f1/0x610
[ 298.478839][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.485355][ T27] gfs2_get_tree+0x4d/0x1e0
[ 298.501913][ T27] vfs_get_tree+0x88/0x270
[ 298.506392][ T27] do_new_mount+0x24a/0xa40
[ 298.511906][ T27] __se_sys_mount+0x2d6/0x3c0
[ 298.516729][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 298.524156][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 298.529468][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 298.534760][ T27] do_syscall_64+0x4c/0xa0
[ 298.539203][ T27] ? clear_bhb_loop+0x30/0x80
[ 298.543283][ T4571] loop1: detected capacity change from 0 to 32768
[ 298.546212][ T27] ? clear_bhb_loop+0x30/0x80
[ 298.562056][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 298.568172][ T4571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.576285][ T27] RIP: 0033:0x7fa57876f38a
[ 298.580838][ T27] RSP: 002b:00007ffdef3cbdf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.589477][ T27] RAX: ffffffffffffffda RBX: 00007ffdef3cbe80 RCX: 00007fa57876f38a
[ 298.597983][ T4571] CPU: 1 PID: 4571 Comm: syz.1.219 Not tainted 5.15.189-syzkaller #0
[ 298.606162][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 298.607191][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffdef3cbe40
[ 298.616350][ T4571] Call Trace:
[ 298.616367][ T4571]
[ 298.616375][ T4571] dump_stack_lvl+0x168/0x230
[ 298.616404][ T4571] ? show_regs_print_info+0x20/0x20
[ 298.616426][ T4571] ? load_image+0x3b0/0x3b0
[ 298.625471][ T27] RBP: 0000200000000400 R08: 00007ffdef3cbe80 R09: 0000000000000000
[ 298.628089][ T4571] sysfs_create_dir_ns+0x252/0x280
[ 298.631277][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 298.635708][ T4571] ? __lock_acquire+0x7c60/0x7c60
[ 298.641256][ T27] R13: 00007ffdef3cbe40 R14: 00000000000125e1 R15: 00002000000000c0
[ 298.645474][ T4571] ? sysfs_warn_dup+0xa0/0xa0
[ 298.656600][ T27]
[ 298.658675][ T4571] ? do_raw_spin_unlock+0x11d/0x230
[ 298.667308][ T27]
[ 298.667308][ T27] Showing all locks held in the system:
[ 298.671653][ T4571] kobject_add_internal+0x662/0xd00
[ 298.671687][ T4571] kobject_init_and_add+0x122/0x190
[ 298.680289][ T27] 1 lock held by khungtaskd/27:
[ 298.684681][ T4571] ? lockdep_softirqs_off+0x420/0x420
[ 298.687795][ T27] #0: ffffffff8c11c360
[ 298.692988][ T4571] ? kobject_add+0x210/0x210
[ 298.693015][ T4571] ? __init_swait_queue_head+0xa5/0x150
[ 298.703976][ T27] (
[ 298.706463][ T4571] gfs2_sys_fs_add+0x234/0x480
[ 298.711910][ T27] rcu_read_lock
[ 298.716500][ T4571] ? gfs2_recover_set+0x240/0x240
[ 298.722359][ T27] ){....}-{1:2}
[ 298.726273][ T4571] ? snprintf+0xd7/0x120
[ 298.731130][ T27] , at: rcu_lock_acquire+0x0/0x30
[ 298.736386][ T4571] ? __free_pages+0x95/0x1a0
[ 298.739001][ T27] 2 locks held by getty/3944:
[ 298.743722][ T4571] ? vscnprintf+0x80/0x80
[ 298.743756][ T4571] gfs2_fill_super+0x128d/0x1f50
[ 298.747851][ T27] #0:
[ 298.752273][ T4571] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.752301][ T4571] ? preempt_count_add+0x8d/0x190
[ 298.752333][ T4571] ? sb_set_blocksize+0xa5/0xe0
[ 298.752366][ T4571] get_tree_bdev+0x3f1/0x610
[ 298.752388][ T4571] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.752409][ T4571] gfs2_get_tree+0x4d/0x1e0
[ 298.752433][ T4571] vfs_get_tree+0x88/0x270
[ 298.780389][ T27] ffff88802c293098
[ 298.783939][ T4571] do_new_mount+0x24a/0xa40
[ 298.786693][ T27] (
[ 298.791813][ T4571] __se_sys_mount+0x2d6/0x3c0
[ 298.791841][ T4571] ? __x64_sys_mount+0xc0/0xc0
[ 298.809644][ T27] &tty->ldisc_sem
[ 298.811409][ T4571] ? lockdep_hardirqs_on+0x94/0x140
[ 298.815921][ T27] ){++++}-{0:0}
[ 298.820406][ T4571] ? __x64_sys_mount+0x1c/0xc0
[ 298.820430][ T4571] do_syscall_64+0x4c/0xa0
[ 298.820451][ T4571] ? clear_bhb_loop+0x30/0x80
[ 298.839646][ T27] , at: tty_ldisc_ref_wait+0x21/0x70
[ 298.841368][ T4571] ? clear_bhb_loop+0x30/0x80
[ 298.844996][ T27] #1:
[ 298.850267][ T4571] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 298.850292][ T4571] RIP: 0033:0x7fc3e8c8138a
[ 298.850310][ T4571] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 298.850327][ T4571] RSP: 002b:00007ffe1e4b1408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.850349][ T4571] RAX: ffffffffffffffda RBX: 00007ffe1e4b1490 RCX: 00007fc3e8c8138a
[ 298.850373][ T4571] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe1e4b1450
[ 298.850387][ T4571] RBP: 0000200000000400 R08: 00007ffe1e4b1490 R09: 0000000000000000
[ 298.850400][ T4571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 298.850413][ T4571] R13: 00007ffe1e4b1450 R14: 00000000000125e1 R15: 00002000000000c0
[ 298.850444][ T4571]
[ 298.858246][ T4571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.862037][ T27] ffffc90002d032e8
[ 298.863217][ T4571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.867788][ T27] (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 298.996563][ T27] 1 lock held by syz.0.17/4331:
[ 299.001568][ T27] #0: ffff88807cd8c0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 299.012207][ T27] 2 locks held by syz.1.219/4571:
[ 299.017354][ T27] #0: ffff88801fe3ad18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 299.027072][ T27] #1: ffff88802026c468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 299.036165][ T27]
[ 299.038581][ T27] =============================================
[ 299.038581][ T27]
[ 299.047682][ T27] NMI backtrace for cpu 1
[ 299.052032][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 299.059992][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 299.070133][ T27] Call Trace:
[ 299.073692][ T27]
[ 299.076623][ T27] dump_stack_lvl+0x168/0x230
[ 299.081300][ T27] ? show_regs_print_info+0x20/0x20
[ 299.086485][ T27] ? load_image+0x3b0/0x3b0
[ 299.091061][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 299.096439][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 299.101596][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 299.106689][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 299.112931][ T27] ? _printk+0xcc/0x110
[ 299.117090][ T27] ? load_image+0x3b0/0x3b0
[ 299.121608][ T27] ? load_image+0x3b0/0x3b0
[ 299.126098][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 299.132169][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 299.138139][ T27] watchdog+0xe0f/0xe50
[ 299.142364][ T27] kthread+0x436/0x520
[ 299.146587][ T27] ? hungtask_pm_notify+0x40/0x40
[ 299.151763][ T27] ? kthread_blkcg+0xd0/0xd0
[ 299.156330][ T27] ret_from_fork+0x1f/0x30
[ 299.160831][ T27]
[ 299.164464][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 299.169950][ C0] NMI backtrace for cpu 0
[ 299.169966][ C0] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.15.189-syzkaller #0
[ 299.169982][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 299.169992][ C0] Workqueue: phy7 ieee80211_iface_work
[ 299.170013][ C0] RIP: 0010:pvclock_clocksource_read+0xe7/0x760
[ 299.170034][ C0] Code: df 48 89 54 24 38 4c 89 74 24 28 42 0f b6 04 22 84 c0 0f 85 45 01 00 00 43 0f b6 04 26 84 c0 0f 85 7f 01 00 00 8b 1f 0f 01 f9 <66> 90 48 89 d5 48 8b 8c 24 90 00 00 00 42 0f b6 0c 21 84 c9 0f 85
[ 299.170047][ C0] RSP: 0018:ffffc90000ce79c0 EFLAGS: 00000046
[ 299.170060][ C0] RAX: 0000000005e46072 RBX: 0000000000000006 RCX: 0000000000000000
[ 299.170070][ C0] RDX: 000000000000009b RSI: ffffffff8eecc01c RDI: ffffffff8eecc000
[ 299.170081][ C0] RBP: ffff88801b74d940 R08: ffffffff8eecc008 R09: ffffffff8eecc018
[ 299.170091][ C0] R10: ffffffff8eecc010 R11: ffffffff8eecc003 R12: dffffc0000000000
[ 299.170102][ C0] R13: ffff88801b74ec38 R14: 1ffffffff1dd9800 R15: 0000000000000000
[ 299.170112][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 299.170125][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 299.170136][ C0] CR2: 00007f6cc1279000 CR3: 000000005bf63000 CR4: 00000000003506f0
[ 299.170151][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 299.170160][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 299.170170][ C0] Call Trace:
[ 299.170175][ C0]
[ 299.170181][ C0] ? __rwlock_init+0x140/0x140
[ 299.170203][ C0] kvm_sched_clock_read+0x14/0x40
[ 299.170216][ C0] sched_clock_cpu+0x15/0x3c0
[ 299.170234][ C0] psi_task_change+0xe5/0x340
[ 299.170251][ C0] enqueue_task+0x26d/0x2b0
[ 299.170268][ C0] ttwu_do_activate+0x1b5/0x380
[ 299.170285][ C0] try_to_wake_up+0x618/0x1050
[ 299.170305][ C0] process_one_work+0x69c/0x1000
[ 299.170326][ C0] ? worker_detach_from_pool+0x240/0x240
[ 299.170340][ C0] ? lockdep_hardirqs_off+0x70/0x100
[ 299.170357][ C0] ? _raw_spin_lock_irq+0xab/0xe0
[ 299.170373][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 299.170390][ C0] ? wq_worker_running+0x97/0x170
[ 299.170404][ C0] worker_thread+0xaa8/0x12a0
[ 299.170430][ C0] kthread+0x436/0x520
[ 299.170451][ C0] ? rcu_lock_release+0x20/0x20
[ 299.170464][ C0] ? kthread_blkcg+0xd0/0xd0
[ 299.170478][ C0] ret_from_fork+0x1f/0x30
[ 299.170499][ C0]
[ 299.179003][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 299.416074][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 299.424321][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 299.434365][ T27] Call Trace:
[ 299.437633][ T27]
[ 299.440558][ T27] dump_stack_lvl+0x168/0x230
[ 299.445234][ T27] ? show_regs_print_info+0x20/0x20
[ 299.450530][ T27] ? load_image+0x3b0/0x3b0
[ 299.455014][ T27] panic+0x2c9/0x7f0
[ 299.458885][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 299.464760][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 299.469243][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 299.475383][ T27] watchdog+0xe4e/0xe50
[ 299.479633][ T27] kthread+0x436/0x520
[ 299.483748][ T27] ? hungtask_pm_notify+0x40/0x40
[ 299.488757][ T27] ? kthread_blkcg+0xd0/0xd0
[ 299.493331][ T27] ret_from_fork+0x1f/0x30
[ 299.497826][ T27]
[ 299.501079][ T27] Kernel Offset: disabled
[ 299.505387][ T27] Rebooting in 86400 seconds..