h -EEXIST, don't try to register things with the same name in the same directory.
[ 194.429911][ T4738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 194.667172][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.673607][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[ 194.767276][ T4739] loop1: detected capacity change from 0 to 32768
[ 194.817511][ T4739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 194.825000][ T4739] CPU: 1 PID: 4739 Comm: syz.1.166 Not tainted 5.15.189-syzkaller #0
[ 194.833512][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 194.843923][ T4739] Call Trace:
[ 194.847213][ T4739]
[ 194.850157][ T4739] dump_stack_lvl+0x168/0x230
[ 194.854852][ T4739] ? show_regs_print_info+0x20/0x20
[ 194.860243][ T4739] ? load_image+0x3b0/0x3b0
[ 194.864893][ T4739] sysfs_create_dir_ns+0x252/0x280
[ 194.870037][ T4739] ? __lock_acquire+0x7c60/0x7c60
[ 194.875254][ T4739] ? sysfs_warn_dup+0xa0/0xa0
[ 194.879972][ T4739] ? do_raw_spin_unlock+0x11d/0x230
[ 194.885646][ T4739] kobject_add_internal+0x662/0xd00
[ 194.890862][ T4739] kobject_init_and_add+0x122/0x190
[ 194.896576][ T4739] ? lockdep_softirqs_off+0x420/0x420
[ 194.901981][ T4739] ? kobject_add+0x210/0x210
[ 194.906961][ T4739] ? __init_swait_queue_head+0xa5/0x150
[ 194.912587][ T4739] gfs2_sys_fs_add+0x234/0x480
[ 194.917662][ T4739] ? gfs2_recover_set+0x240/0x240
[ 194.923087][ T4739] ? snprintf+0xd7/0x120
[ 194.927728][ T4739] ? __free_pages+0x95/0x1a0
[ 194.932323][ T4739] ? vscnprintf+0x80/0x80
[ 194.936862][ T4739] gfs2_fill_super+0x128d/0x1f50
[ 194.942050][ T4739] ? gfs2_reconfigure+0xcd0/0xcd0
[ 194.948250][ T4739] ? preempt_count_add+0x8d/0x190
[ 194.953961][ T4739] ? sb_set_blocksize+0xa5/0xe0
[ 194.959364][ T4739] get_tree_bdev+0x3f1/0x610
[ 194.964291][ T4739] ? gfs2_reconfigure+0xcd0/0xcd0
[ 194.969685][ T4739] gfs2_get_tree+0x4d/0x1e0
[ 194.974453][ T4739] vfs_get_tree+0x88/0x270
[ 194.979146][ T4739] do_new_mount+0x24a/0xa40
[ 194.984238][ T4739] __se_sys_mount+0x2d6/0x3c0
[ 194.989130][ T4739] ? __x64_sys_mount+0xc0/0xc0
[ 194.994025][ T4739] ? lockdep_hardirqs_on+0x94/0x140
[ 194.999898][ T4739] ? __x64_sys_mount+0x1c/0xc0
[ 195.004976][ T4739] do_syscall_64+0x4c/0xa0
[ 195.009586][ T4739] ? clear_bhb_loop+0x30/0x80
[ 195.014255][ T4739] ? clear_bhb_loop+0x30/0x80
[ 195.019325][ T4739] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 195.025487][ T4739] RIP: 0033:0x7ff97fe9a38a
[ 195.030215][ T4739] 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
[ 195.051119][ T4739] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 195.059991][ T4739] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 195.068043][ T4739] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 195.076802][ T4739] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 195.084879][ T4739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 195.093026][ T4739] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 195.101001][ T4739]
[ 195.106414][ T4739] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 195.120421][ T4739] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 195.422932][ T4740] loop1: detected capacity change from 0 to 32768
[ 195.481166][ T4740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 195.488682][ T4740] CPU: 1 PID: 4740 Comm: syz.1.167 Not tainted 5.15.189-syzkaller #0
[ 195.496839][ T4740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 195.507195][ T4740] Call Trace:
[ 195.510488][ T4740]
[ 195.513430][ T4740] dump_stack_lvl+0x168/0x230
[ 195.518158][ T4740] ? show_regs_print_info+0x20/0x20
[ 195.523561][ T4740] ? load_image+0x3b0/0x3b0
[ 195.528554][ T4740] sysfs_create_dir_ns+0x252/0x280
[ 195.534046][ T4740] ? __lock_acquire+0x7c60/0x7c60
[ 195.539297][ T4740] ? sysfs_warn_dup+0xa0/0xa0
[ 195.544187][ T4740] ? do_raw_spin_unlock+0x11d/0x230
[ 195.549396][ T4740] kobject_add_internal+0x662/0xd00
[ 195.554774][ T4740] kobject_init_and_add+0x122/0x190
[ 195.560117][ T4740] ? lockdep_softirqs_off+0x420/0x420
[ 195.565524][ T4740] ? kobject_add+0x210/0x210
[ 195.570490][ T4740] ? __init_swait_queue_head+0xa5/0x150
[ 195.576493][ T4740] gfs2_sys_fs_add+0x234/0x480
[ 195.581255][ T4740] ? gfs2_recover_set+0x240/0x240
[ 195.586357][ T4740] ? snprintf+0xd7/0x120
[ 195.590713][ T4740] ? __free_pages+0x95/0x1a0
[ 195.595512][ T4740] ? vscnprintf+0x80/0x80
[ 195.600015][ T4740] gfs2_fill_super+0x128d/0x1f50
[ 195.605288][ T4740] ? gfs2_reconfigure+0xcd0/0xcd0
[ 195.610319][ T4740] ? preempt_count_add+0x8d/0x190
[ 195.615460][ T4740] ? sb_set_blocksize+0xa5/0xe0
[ 195.620327][ T4740] get_tree_bdev+0x3f1/0x610
[ 195.625128][ T4740] ? gfs2_reconfigure+0xcd0/0xcd0
[ 195.630353][ T4740] gfs2_get_tree+0x4d/0x1e0
[ 195.634942][ T4740] vfs_get_tree+0x88/0x270
[ 195.639779][ T4740] do_new_mount+0x24a/0xa40
[ 195.644299][ T4740] __se_sys_mount+0x2d6/0x3c0
[ 195.649068][ T4740] ? __x64_sys_mount+0xc0/0xc0
[ 195.654101][ T4740] ? lockdep_hardirqs_on+0x94/0x140
[ 195.659579][ T4740] ? __x64_sys_mount+0x1c/0xc0
[ 195.664598][ T4740] do_syscall_64+0x4c/0xa0
[ 195.669002][ T4740] ? clear_bhb_loop+0x30/0x80
[ 195.673972][ T4740] ? clear_bhb_loop+0x30/0x80
[ 195.678766][ T4740] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 195.684673][ T4740] RIP: 0033:0x7ff97fe9a38a
[ 195.689081][ T4740] 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
[ 195.709211][ T4740] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 195.717795][ T4740] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 195.726028][ T4740] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 195.734303][ T4740] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 195.742272][ T4740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 195.750256][ T4740] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 195.758539][ T4740]
[ 195.765423][ T4740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 195.780206][ T4740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 196.093232][ T4741] loop1: detected capacity change from 0 to 32768
[ 196.188593][ T4741] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 196.197311][ T4741] CPU: 0 PID: 4741 Comm: syz.1.168 Not tainted 5.15.189-syzkaller #0
[ 196.205783][ T4741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 196.215934][ T4741] Call Trace:
[ 196.219222][ T4741]
[ 196.222255][ T4741] dump_stack_lvl+0x168/0x230
[ 196.226952][ T4741] ? show_regs_print_info+0x20/0x20
[ 196.232255][ T4741] ? load_image+0x3b0/0x3b0
[ 196.236865][ T4741] sysfs_create_dir_ns+0x252/0x280
[ 196.241979][ T4741] ? __lock_acquire+0x7c60/0x7c60
[ 196.247161][ T4741] ? sysfs_warn_dup+0xa0/0xa0
[ 196.252016][ T4741] ? do_raw_spin_unlock+0x11d/0x230
[ 196.257489][ T4741] kobject_add_internal+0x662/0xd00
[ 196.262940][ T4741] kobject_init_and_add+0x122/0x190
[ 196.268417][ T4741] ? lockdep_softirqs_off+0x420/0x420
[ 196.273914][ T4741] ? kobject_add+0x210/0x210
[ 196.278599][ T4741] ? __init_swait_queue_head+0xa5/0x150
[ 196.284328][ T4741] gfs2_sys_fs_add+0x234/0x480
[ 196.289504][ T4741] ? gfs2_recover_set+0x240/0x240
[ 196.294827][ T4741] ? snprintf+0xd7/0x120
[ 196.299253][ T4741] ? __free_pages+0x95/0x1a0
[ 196.304322][ T4741] ? vscnprintf+0x80/0x80
[ 196.309082][ T4741] gfs2_fill_super+0x128d/0x1f50
[ 196.314412][ T4741] ? gfs2_reconfigure+0xcd0/0xcd0
[ 196.319724][ T4741] ? preempt_count_add+0x8d/0x190
[ 196.325104][ T4741] ? sb_set_blocksize+0xa5/0xe0
[ 196.330737][ T4741] get_tree_bdev+0x3f1/0x610
[ 196.335508][ T4741] ? gfs2_reconfigure+0xcd0/0xcd0
[ 196.340852][ T4741] gfs2_get_tree+0x4d/0x1e0
[ 196.345473][ T4741] vfs_get_tree+0x88/0x270
[ 196.350181][ T4741] do_new_mount+0x24a/0xa40
[ 196.354901][ T4741] __se_sys_mount+0x2d6/0x3c0
[ 196.359676][ T4741] ? __x64_sys_mount+0xc0/0xc0
[ 196.364698][ T4741] ? lockdep_hardirqs_on+0x94/0x140
[ 196.369955][ T4741] ? __x64_sys_mount+0x1c/0xc0
[ 196.374728][ T4741] do_syscall_64+0x4c/0xa0
[ 196.379503][ T4741] ? clear_bhb_loop+0x30/0x80
[ 196.384253][ T4741] ? clear_bhb_loop+0x30/0x80
[ 196.389109][ T4741] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 196.395084][ T4741] RIP: 0033:0x7ff97fe9a38a
[ 196.399487][ T4741] 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
[ 196.419817][ T4741] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 196.428360][ T4741] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 196.436570][ T4741] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 196.444994][ T4741] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 196.453042][ T4741] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 196.461271][ T4741] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 196.469624][ T4741]
[ 196.473663][ T4741] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 196.487080][ T4741] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 196.742307][ T1324] Bluetooth: hci0: command 0x0406 tx timeout
[ 196.828337][ T4742] loop1: detected capacity change from 0 to 32768
[ 196.881747][ T4742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 196.889789][ T4742] CPU: 0 PID: 4742 Comm: syz.1.169 Not tainted 5.15.189-syzkaller #0
[ 196.898225][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 196.909000][ T4742] Call Trace:
[ 196.912325][ T4742]
[ 196.915255][ T4742] dump_stack_lvl+0x168/0x230
[ 196.920271][ T4742] ? show_regs_print_info+0x20/0x20
[ 196.925666][ T4742] ? load_image+0x3b0/0x3b0
[ 196.930367][ T4742] sysfs_create_dir_ns+0x252/0x280
[ 196.935506][ T4742] ? __lock_acquire+0x7c60/0x7c60
[ 196.940554][ T4742] ? sysfs_warn_dup+0xa0/0xa0
[ 196.945664][ T4742] ? do_raw_spin_unlock+0x11d/0x230
[ 196.951227][ T4742] kobject_add_internal+0x662/0xd00
[ 196.956466][ T4742] kobject_init_and_add+0x122/0x190
[ 196.961935][ T4742] ? lockdep_softirqs_off+0x420/0x420
[ 196.967608][ T4742] ? kobject_add+0x210/0x210
[ 196.972376][ T4742] ? __init_swait_queue_head+0xa5/0x150
[ 196.978096][ T4742] gfs2_sys_fs_add+0x234/0x480
[ 196.983187][ T4742] ? gfs2_recover_set+0x240/0x240
[ 196.988372][ T4742] ? snprintf+0xd7/0x120
[ 196.992956][ T4742] ? __free_pages+0x95/0x1a0
[ 196.997865][ T4742] ? vscnprintf+0x80/0x80
[ 197.002381][ T4742] gfs2_fill_super+0x128d/0x1f50
[ 197.007501][ T4742] ? gfs2_reconfigure+0xcd0/0xcd0
[ 197.012767][ T4742] ? preempt_count_add+0x8d/0x190
[ 197.017885][ T4742] ? sb_set_blocksize+0xa5/0xe0
[ 197.022895][ T4742] get_tree_bdev+0x3f1/0x610
[ 197.027857][ T4742] ? gfs2_reconfigure+0xcd0/0xcd0
[ 197.033363][ T4742] gfs2_get_tree+0x4d/0x1e0
[ 197.038004][ T4742] vfs_get_tree+0x88/0x270
[ 197.042518][ T4742] do_new_mount+0x24a/0xa40
[ 197.047038][ T4742] __se_sys_mount+0x2d6/0x3c0
[ 197.051794][ T4742] ? __x64_sys_mount+0xc0/0xc0
[ 197.056673][ T4742] ? lockdep_hardirqs_on+0x94/0x140
[ 197.062034][ T4742] ? __x64_sys_mount+0x1c/0xc0
[ 197.067209][ T4742] do_syscall_64+0x4c/0xa0
[ 197.071866][ T4742] ? clear_bhb_loop+0x30/0x80
[ 197.077212][ T4742] ? clear_bhb_loop+0x30/0x80
[ 197.081920][ T4742] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 197.088204][ T4742] RIP: 0033:0x7ff97fe9a38a
[ 197.092977][ T4742] 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
[ 197.114934][ T4742] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 197.124108][ T4742] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 197.132489][ T4742] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 197.140692][ T4742] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 197.148673][ T4742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 197.156749][ T4742] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 197.165806][ T4742]
[ 197.169673][ T4742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 197.183370][ T4742] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 197.537053][ T4743] loop1: detected capacity change from 0 to 32768
[ 197.592451][ T4743] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 197.599927][ T4743] CPU: 0 PID: 4743 Comm: syz.1.170 Not tainted 5.15.189-syzkaller #0
[ 197.608152][ T4743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 197.618553][ T4743] Call Trace:
[ 197.621955][ T4743]
[ 197.624909][ T4743] dump_stack_lvl+0x168/0x230
[ 197.629884][ T4743] ? show_regs_print_info+0x20/0x20
[ 197.635279][ T4743] ? load_image+0x3b0/0x3b0
[ 197.640002][ T4743] sysfs_create_dir_ns+0x252/0x280
[ 197.646029][ T4743] ? __lock_acquire+0x7c60/0x7c60
[ 197.651094][ T4743] ? sysfs_warn_dup+0xa0/0xa0
[ 197.655822][ T4743] ? do_raw_spin_unlock+0x11d/0x230
[ 197.661672][ T4743] kobject_add_internal+0x662/0xd00
[ 197.666912][ T4743] kobject_init_and_add+0x122/0x190
[ 197.672164][ T4743] ? lockdep_softirqs_off+0x420/0x420
[ 197.677754][ T4743] ? kobject_add+0x210/0x210
[ 197.682549][ T4743] ? __init_swait_queue_head+0xa5/0x150
[ 197.688147][ T4743] gfs2_sys_fs_add+0x234/0x480
[ 197.693005][ T4743] ? gfs2_recover_set+0x240/0x240
[ 197.698367][ T4743] ? snprintf+0xd7/0x120
[ 197.702639][ T4743] ? __free_pages+0x95/0x1a0
[ 197.707250][ T4743] ? vscnprintf+0x80/0x80
[ 197.711819][ T4743] gfs2_fill_super+0x128d/0x1f50
[ 197.716785][ T4743] ? gfs2_reconfigure+0xcd0/0xcd0
[ 197.721980][ T4743] ? preempt_count_add+0x8d/0x190
[ 197.727062][ T4743] ? sb_set_blocksize+0xa5/0xe0
[ 197.732009][ T4743] get_tree_bdev+0x3f1/0x610
[ 197.736801][ T4743] ? gfs2_reconfigure+0xcd0/0xcd0
[ 197.741964][ T4743] gfs2_get_tree+0x4d/0x1e0
[ 197.746464][ T4743] vfs_get_tree+0x88/0x270
[ 197.751225][ T4743] do_new_mount+0x24a/0xa40
[ 197.755731][ T4743] __se_sys_mount+0x2d6/0x3c0
[ 197.760501][ T4743] ? __x64_sys_mount+0xc0/0xc0
[ 197.765281][ T4743] ? lockdep_hardirqs_on+0x94/0x140
[ 197.770558][ T4743] ? __x64_sys_mount+0x1c/0xc0
[ 197.775406][ T4743] do_syscall_64+0x4c/0xa0
[ 197.780004][ T4743] ? clear_bhb_loop+0x30/0x80
[ 197.784968][ T4743] ? clear_bhb_loop+0x30/0x80
[ 197.789655][ T4743] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 197.795734][ T4743] RIP: 0033:0x7ff97fe9a38a
[ 197.800237][ T4743] 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
[ 197.820923][ T4743] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 197.830009][ T4743] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 197.838178][ T4743] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 197.846398][ T4743] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 197.854767][ T4743] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 197.862840][ T4743] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 197.870952][ T4743]
[ 197.875314][ T4743] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 197.889124][ T4743] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 198.242924][ T4744] loop1: detected capacity change from 0 to 32768
[ 198.296004][ T4744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 198.303684][ T4744] CPU: 1 PID: 4744 Comm: syz.1.171 Not tainted 5.15.189-syzkaller #0
[ 198.312031][ T4744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 198.322346][ T4744] Call Trace:
[ 198.325685][ T4744]
[ 198.328890][ T4744] dump_stack_lvl+0x168/0x230
[ 198.333592][ T4744] ? show_regs_print_info+0x20/0x20
[ 198.338915][ T4744] ? load_image+0x3b0/0x3b0
[ 198.343463][ T4744] sysfs_create_dir_ns+0x252/0x280
[ 198.348694][ T4744] ? __lock_acquire+0x7c60/0x7c60
[ 198.354027][ T4744] ? sysfs_warn_dup+0xa0/0xa0
[ 198.359009][ T4744] ? do_raw_spin_unlock+0x11d/0x230
[ 198.364510][ T4744] kobject_add_internal+0x662/0xd00
[ 198.369835][ T4744] kobject_init_and_add+0x122/0x190
[ 198.375157][ T4744] ? lockdep_softirqs_off+0x420/0x420
[ 198.380839][ T4744] ? kobject_add+0x210/0x210
[ 198.385709][ T4744] ? __init_swait_queue_head+0xa5/0x150
[ 198.391338][ T4744] gfs2_sys_fs_add+0x234/0x480
[ 198.396338][ T4744] ? gfs2_recover_set+0x240/0x240
[ 198.401439][ T4744] ? snprintf+0xd7/0x120
[ 198.405803][ T4744] ? __free_pages+0x95/0x1a0
[ 198.410868][ T4744] ? vscnprintf+0x80/0x80
[ 198.415309][ T4744] gfs2_fill_super+0x128d/0x1f50
[ 198.420445][ T4744] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.425476][ T4744] ? preempt_count_add+0x8d/0x190
[ 198.430802][ T4744] ? sb_set_blocksize+0xa5/0xe0
[ 198.435693][ T4744] get_tree_bdev+0x3f1/0x610
[ 198.440545][ T4744] ? gfs2_reconfigure+0xcd0/0xcd0
[ 198.445884][ T4744] gfs2_get_tree+0x4d/0x1e0
[ 198.450844][ T4744] vfs_get_tree+0x88/0x270
[ 198.455489][ T4744] do_new_mount+0x24a/0xa40
[ 198.460007][ T4744] __se_sys_mount+0x2d6/0x3c0
[ 198.464800][ T4744] ? __x64_sys_mount+0xc0/0xc0
[ 198.469595][ T4744] ? lockdep_hardirqs_on+0x94/0x140
[ 198.474800][ T4744] ? __x64_sys_mount+0x1c/0xc0
[ 198.479880][ T4744] do_syscall_64+0x4c/0xa0
[ 198.484429][ T4744] ? clear_bhb_loop+0x30/0x80
[ 198.489201][ T4744] ? clear_bhb_loop+0x30/0x80
[ 198.494169][ T4744] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 198.500366][ T4744] RIP: 0033:0x7ff97fe9a38a
[ 198.505072][ T4744] 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
[ 198.525530][ T4744] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 198.534177][ T4744] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 198.542158][ T4744] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 198.550428][ T4744] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 198.558688][ T4744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 198.567234][ T4744] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 198.575547][ T4744]
[ 198.580730][ T4744] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 198.594886][ T4744] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 198.960645][ T4745] loop1: detected capacity change from 0 to 32768
[ 199.047149][ T4745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 199.054974][ T4745] CPU: 0 PID: 4745 Comm: syz.1.172 Not tainted 5.15.189-syzkaller #0
[ 199.063411][ T4745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 199.073762][ T4745] Call Trace:
[ 199.077149][ T4745]
[ 199.080103][ T4745] dump_stack_lvl+0x168/0x230
[ 199.084905][ T4745] ? show_regs_print_info+0x20/0x20
[ 199.090343][ T4745] ? load_image+0x3b0/0x3b0
[ 199.094883][ T4745] sysfs_create_dir_ns+0x252/0x280
[ 199.100345][ T4745] ? __lock_acquire+0x7c60/0x7c60
[ 199.105656][ T4745] ? sysfs_warn_dup+0xa0/0xa0
[ 199.110762][ T4745] ? do_raw_spin_unlock+0x11d/0x230
[ 199.116985][ T4745] kobject_add_internal+0x662/0xd00
[ 199.122427][ T4745] kobject_init_and_add+0x122/0x190
[ 199.127799][ T4745] ? lockdep_softirqs_off+0x420/0x420
[ 199.133386][ T4745] ? kobject_add+0x210/0x210
[ 199.138091][ T4745] ? __init_swait_queue_head+0xa5/0x150
[ 199.143650][ T4745] gfs2_sys_fs_add+0x234/0x480
[ 199.148669][ T4745] ? gfs2_recover_set+0x240/0x240
[ 199.153879][ T4745] ? snprintf+0xd7/0x120
[ 199.158161][ T4745] ? __free_pages+0x95/0x1a0
[ 199.162942][ T4745] ? vscnprintf+0x80/0x80
[ 199.167373][ T4745] gfs2_fill_super+0x128d/0x1f50
[ 199.172445][ T4745] ? gfs2_reconfigure+0xcd0/0xcd0
[ 199.177701][ T4745] ? preempt_count_add+0x8d/0x190
[ 199.183010][ T4745] ? sb_set_blocksize+0xa5/0xe0
[ 199.187978][ T4745] get_tree_bdev+0x3f1/0x610
[ 199.192877][ T4745] ? gfs2_reconfigure+0xcd0/0xcd0
[ 199.198838][ T4745] gfs2_get_tree+0x4d/0x1e0
[ 199.203641][ T4745] vfs_get_tree+0x88/0x270
[ 199.208287][ T4745] do_new_mount+0x24a/0xa40
[ 199.212945][ T4745] __se_sys_mount+0x2d6/0x3c0
[ 199.218007][ T4745] ? __x64_sys_mount+0xc0/0xc0
[ 199.223540][ T4745] ? lockdep_hardirqs_on+0x94/0x140
[ 199.229360][ T4745] ? __x64_sys_mount+0x1c/0xc0
[ 199.234624][ T4745] do_syscall_64+0x4c/0xa0
[ 199.239147][ T4745] ? clear_bhb_loop+0x30/0x80
[ 199.243929][ T4745] ? clear_bhb_loop+0x30/0x80
[ 199.249003][ T4745] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 199.255719][ T4745] RIP: 0033:0x7ff97fe9a38a
[ 199.260150][ T4745] 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
[ 199.280741][ T4745] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 199.289934][ T4745] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 199.298338][ T4745] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 199.307188][ T4745] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 199.315891][ T4745] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 199.323980][ T4745] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 199.332372][ T4745]
[ 199.336693][ T4745] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 199.350666][ T4745] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 10:12:18 executed programs: 158
[ 199.718545][ T4746] loop1: detected capacity change from 0 to 32768
[ 199.784209][ T4746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 199.792268][ T4746] CPU: 0 PID: 4746 Comm: syz.1.173 Not tainted 5.15.189-syzkaller #0
[ 199.800493][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 199.811216][ T4746] Call Trace:
[ 199.814746][ T4746]
[ 199.818094][ T4746] dump_stack_lvl+0x168/0x230
[ 199.823161][ T4746] ? show_regs_print_info+0x20/0x20
[ 199.828910][ T4746] ? load_image+0x3b0/0x3b0
[ 199.833567][ T4746] sysfs_create_dir_ns+0x252/0x280
[ 199.838839][ T4746] ? __lock_acquire+0x7c60/0x7c60
[ 199.844067][ T4746] ? sysfs_warn_dup+0xa0/0xa0
[ 199.848872][ T4746] ? do_raw_spin_unlock+0x11d/0x230
[ 199.854251][ T4746] kobject_add_internal+0x662/0xd00
[ 199.859876][ T4746] kobject_init_and_add+0x122/0x190
[ 199.865199][ T4746] ? lockdep_softirqs_off+0x420/0x420
[ 199.870974][ T4746] ? kobject_add+0x210/0x210
[ 199.875813][ T4746] ? __init_swait_queue_head+0xa5/0x150
[ 199.881641][ T4746] gfs2_sys_fs_add+0x234/0x480
[ 199.886595][ T4746] ? gfs2_recover_set+0x240/0x240
[ 199.891746][ T4746] ? snprintf+0xd7/0x120
[ 199.896041][ T4746] ? __free_pages+0x95/0x1a0
[ 199.900678][ T4746] ? vscnprintf+0x80/0x80
[ 199.905232][ T4746] gfs2_fill_super+0x128d/0x1f50
[ 199.910312][ T4746] ? gfs2_reconfigure+0xcd0/0xcd0
[ 199.915468][ T4746] ? preempt_count_add+0x8d/0x190
[ 199.920634][ T4746] ? sb_set_blocksize+0xa5/0xe0
[ 199.925615][ T4746] get_tree_bdev+0x3f1/0x610
[ 199.930252][ T4746] ? gfs2_reconfigure+0xcd0/0xcd0
[ 199.935551][ T4746] gfs2_get_tree+0x4d/0x1e0
[ 199.940089][ T4746] vfs_get_tree+0x88/0x270
[ 199.944621][ T4746] do_new_mount+0x24a/0xa40
[ 199.949423][ T4746] __se_sys_mount+0x2d6/0x3c0
[ 199.954251][ T4746] ? __x64_sys_mount+0xc0/0xc0
[ 199.959330][ T4746] ? lockdep_hardirqs_on+0x94/0x140
[ 199.964809][ T4746] ? __x64_sys_mount+0x1c/0xc0
[ 199.969944][ T4746] do_syscall_64+0x4c/0xa0
[ 199.974580][ T4746] ? clear_bhb_loop+0x30/0x80
[ 199.979371][ T4746] ? clear_bhb_loop+0x30/0x80
[ 199.984262][ T4746] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 199.990334][ T4746] RIP: 0033:0x7ff97fe9a38a
[ 199.995423][ T4746] 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
[ 200.015850][ T4746] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 200.024555][ T4746] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 200.033243][ T4746] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 200.041528][ T4746] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 200.050001][ T4746] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 200.058625][ T4746] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 200.066805][ T4746]
[ 200.077546][ T4746] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 200.091215][ T4746] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 200.426077][ T4747] loop1: detected capacity change from 0 to 32768
[ 200.489576][ T4747] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.500932][ T4747] CPU: 1 PID: 4747 Comm: syz.1.174 Not tainted 5.15.189-syzkaller #0
[ 200.509283][ T4747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 200.519450][ T4747] Call Trace:
[ 200.522770][ T4747]
[ 200.525801][ T4747] dump_stack_lvl+0x168/0x230
[ 200.530504][ T4747] ? show_regs_print_info+0x20/0x20
[ 200.535731][ T4747] ? load_image+0x3b0/0x3b0
[ 200.540271][ T4747] sysfs_create_dir_ns+0x252/0x280
[ 200.545543][ T4747] ? __lock_acquire+0x7c60/0x7c60
[ 200.550593][ T4747] ? sysfs_warn_dup+0xa0/0xa0
[ 200.555297][ T4747] ? do_raw_spin_unlock+0x11d/0x230
[ 200.560523][ T4747] kobject_add_internal+0x662/0xd00
[ 200.566011][ T4747] kobject_init_and_add+0x122/0x190
[ 200.571262][ T4747] ? lockdep_softirqs_off+0x420/0x420
[ 200.576755][ T4747] ? kobject_add+0x210/0x210
[ 200.581377][ T4747] ? __init_swait_queue_head+0xa5/0x150
[ 200.587290][ T4747] gfs2_sys_fs_add+0x234/0x480
[ 200.592176][ T4747] ? gfs2_recover_set+0x240/0x240
[ 200.597451][ T4747] ? snprintf+0xd7/0x120
[ 200.601949][ T4747] ? __free_pages+0x95/0x1a0
[ 200.606558][ T4747] ? vscnprintf+0x80/0x80
[ 200.611105][ T4747] gfs2_fill_super+0x128d/0x1f50
[ 200.616253][ T4747] ? gfs2_reconfigure+0xcd0/0xcd0
[ 200.621491][ T4747] ? preempt_count_add+0x8d/0x190
[ 200.626884][ T4747] ? sb_set_blocksize+0xa5/0xe0
[ 200.631846][ T4747] get_tree_bdev+0x3f1/0x610
[ 200.636636][ T4747] ? gfs2_reconfigure+0xcd0/0xcd0
[ 200.641815][ T4747] gfs2_get_tree+0x4d/0x1e0
[ 200.646519][ T4747] vfs_get_tree+0x88/0x270
[ 200.651048][ T4747] do_new_mount+0x24a/0xa40
[ 200.655664][ T4747] __se_sys_mount+0x2d6/0x3c0
[ 200.660338][ T4747] ? __x64_sys_mount+0xc0/0xc0
[ 200.665091][ T4747] ? lockdep_hardirqs_on+0x94/0x140
[ 200.670475][ T4747] ? __x64_sys_mount+0x1c/0xc0
[ 200.675626][ T4747] do_syscall_64+0x4c/0xa0
[ 200.680244][ T4747] ? clear_bhb_loop+0x30/0x80
[ 200.685020][ T4747] ? clear_bhb_loop+0x30/0x80
[ 200.689903][ T4747] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 200.696087][ T4747] RIP: 0033:0x7ff97fe9a38a
[ 200.700528][ T4747] 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
[ 200.720959][ T4747] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 200.729477][ T4747] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 200.737700][ T4747] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 200.745765][ T4747] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 200.754271][ T4747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 200.762746][ T4747] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 200.770860][ T4747]
[ 200.774865][ T4747] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 200.789428][ T4747] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 201.140824][ T4748] loop1: detected capacity change from 0 to 32768
[ 201.155342][ T4748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 201.163220][ T4748] CPU: 1 PID: 4748 Comm: syz.1.175 Not tainted 5.15.189-syzkaller #0
[ 201.171397][ T4748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 201.181583][ T4748] Call Trace:
[ 201.184887][ T4748]
[ 201.187928][ T4748] dump_stack_lvl+0x168/0x230
[ 201.192732][ T4748] ? show_regs_print_info+0x20/0x20
[ 201.197966][ T4748] ? load_image+0x3b0/0x3b0
[ 201.202866][ T4748] sysfs_create_dir_ns+0x252/0x280
[ 201.208253][ T4748] ? __lock_acquire+0x7c60/0x7c60
[ 201.213426][ T4748] ? sysfs_warn_dup+0xa0/0xa0
[ 201.218249][ T4748] ? do_raw_spin_unlock+0x11d/0x230
[ 201.223656][ T4748] kobject_add_internal+0x662/0xd00
[ 201.228865][ T4748] kobject_init_and_add+0x122/0x190
[ 201.234499][ T4748] ? lockdep_softirqs_off+0x420/0x420
[ 201.239995][ T4748] ? kobject_add+0x210/0x210
[ 201.244684][ T4748] ? __init_swait_queue_head+0xa5/0x150
[ 201.250420][ T4748] gfs2_sys_fs_add+0x234/0x480
[ 201.255373][ T4748] ? gfs2_recover_set+0x240/0x240
[ 201.260482][ T4748] ? snprintf+0xd7/0x120
[ 201.265075][ T4748] ? __free_pages+0x95/0x1a0
[ 201.269684][ T4748] ? vscnprintf+0x80/0x80
[ 201.274280][ T4748] gfs2_fill_super+0x128d/0x1f50
[ 201.279305][ T4748] ? gfs2_reconfigure+0xcd0/0xcd0
[ 201.284400][ T4748] ? preempt_count_add+0x8d/0x190
[ 201.289461][ T4748] ? sb_set_blocksize+0xa5/0xe0
[ 201.294415][ T4748] get_tree_bdev+0x3f1/0x610
[ 201.299120][ T4748] ? gfs2_reconfigure+0xcd0/0xcd0
[ 201.304148][ T4748] gfs2_get_tree+0x4d/0x1e0
[ 201.308843][ T4748] vfs_get_tree+0x88/0x270
[ 201.313298][ T4748] do_new_mount+0x24a/0xa40
[ 201.318155][ T4748] __se_sys_mount+0x2d6/0x3c0
[ 201.323211][ T4748] ? __x64_sys_mount+0xc0/0xc0
[ 201.328241][ T4748] ? lockdep_hardirqs_on+0x94/0x140
[ 201.333562][ T4748] ? __x64_sys_mount+0x1c/0xc0
[ 201.338433][ T4748] do_syscall_64+0x4c/0xa0
[ 201.342839][ T4748] ? clear_bhb_loop+0x30/0x80
[ 201.347512][ T4748] ? clear_bhb_loop+0x30/0x80
[ 201.352383][ T4748] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 201.358494][ T4748] RIP: 0033:0x7ff97fe9a38a
[ 201.363502][ T4748] 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
[ 201.384242][ T4748] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.393270][ T4748] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 201.401431][ T4748] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 201.409486][ T4748] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 201.417706][ T4748] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 201.425679][ T4748] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 201.433839][ T4748]
[ 201.439437][ T4748] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.453130][ T4748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 201.785971][ T4749] loop1: detected capacity change from 0 to 32768
[ 201.848817][ T4749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 201.856898][ T4749] CPU: 1 PID: 4749 Comm: syz.1.176 Not tainted 5.15.189-syzkaller #0
[ 201.865231][ T4749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 201.875589][ T4749] Call Trace:
[ 201.878914][ T4749]
[ 201.881962][ T4749] dump_stack_lvl+0x168/0x230
[ 201.886783][ T4749] ? show_regs_print_info+0x20/0x20
[ 201.892341][ T4749] ? load_image+0x3b0/0x3b0
[ 201.896994][ T4749] sysfs_create_dir_ns+0x252/0x280
[ 201.907613][ T4749] ? __lock_acquire+0x7c60/0x7c60
[ 201.913123][ T4749] ? sysfs_warn_dup+0xa0/0xa0
[ 201.917923][ T4749] ? do_raw_spin_unlock+0x11d/0x230
[ 201.923243][ T4749] kobject_add_internal+0x662/0xd00
[ 201.928737][ T4749] kobject_init_and_add+0x122/0x190
[ 201.934725][ T4749] ? lockdep_softirqs_off+0x420/0x420
[ 201.940340][ T4749] ? kobject_add+0x210/0x210
[ 201.944958][ T4749] ? __init_swait_queue_head+0xa5/0x150
[ 201.950620][ T4749] gfs2_sys_fs_add+0x234/0x480
[ 201.956178][ T4749] ? gfs2_recover_set+0x240/0x240
[ 201.961311][ T4749] ? snprintf+0xd7/0x120
[ 201.965669][ T4749] ? __free_pages+0x95/0x1a0
[ 201.970452][ T4749] ? vscnprintf+0x80/0x80
[ 201.974892][ T4749] gfs2_fill_super+0x128d/0x1f50
[ 201.980025][ T4749] ? gfs2_reconfigure+0xcd0/0xcd0
[ 201.985361][ T4749] ? preempt_count_add+0x8d/0x190
[ 201.991077][ T4749] ? sb_set_blocksize+0xa5/0xe0
[ 201.996411][ T4749] get_tree_bdev+0x3f1/0x610
[ 202.001350][ T4749] ? gfs2_reconfigure+0xcd0/0xcd0
[ 202.006533][ T4749] gfs2_get_tree+0x4d/0x1e0
[ 202.011328][ T4749] vfs_get_tree+0x88/0x270
[ 202.015813][ T4749] do_new_mount+0x24a/0xa40
[ 202.020540][ T4749] __se_sys_mount+0x2d6/0x3c0
[ 202.025662][ T4749] ? __x64_sys_mount+0xc0/0xc0
[ 202.030985][ T4749] ? lockdep_hardirqs_on+0x94/0x140
[ 202.036299][ T4749] ? __x64_sys_mount+0x1c/0xc0
[ 202.041123][ T4749] do_syscall_64+0x4c/0xa0
[ 202.045554][ T4749] ? clear_bhb_loop+0x30/0x80
[ 202.050489][ T4749] ? clear_bhb_loop+0x30/0x80
[ 202.055376][ T4749] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 202.061364][ T4749] RIP: 0033:0x7ff97fe9a38a
[ 202.065908][ T4749] 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
[ 202.086677][ T4749] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 202.095354][ T4749] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 202.103447][ T4749] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 202.111941][ T4749] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 202.120500][ T4749] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 202.128735][ T4749] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 202.137079][ T4749]
[ 202.149119][ T4749] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 202.162629][ T4749] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 202.513909][ T4750] loop1: detected capacity change from 0 to 32768
[ 202.564051][ T4750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.571560][ T4750] CPU: 0 PID: 4750 Comm: syz.1.177 Not tainted 5.15.189-syzkaller #0
[ 202.579731][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 202.589889][ T4750] Call Trace:
[ 202.593418][ T4750]
[ 202.596369][ T4750] dump_stack_lvl+0x168/0x230
[ 202.601084][ T4750] ? show_regs_print_info+0x20/0x20
[ 202.606623][ T4750] ? load_image+0x3b0/0x3b0
[ 202.611432][ T4750] sysfs_create_dir_ns+0x252/0x280
[ 202.616944][ T4750] ? __lock_acquire+0x7c60/0x7c60
[ 202.622548][ T4750] ? sysfs_warn_dup+0xa0/0xa0
[ 202.627263][ T4750] ? do_raw_spin_unlock+0x11d/0x230
[ 202.632586][ T4750] kobject_add_internal+0x662/0xd00
[ 202.638022][ T4750] kobject_init_and_add+0x122/0x190
[ 202.643375][ T4750] ? lockdep_softirqs_off+0x420/0x420
[ 202.648861][ T4750] ? kobject_add+0x210/0x210
[ 202.653567][ T4750] ? __init_swait_queue_head+0xa5/0x150
[ 202.659301][ T4750] gfs2_sys_fs_add+0x234/0x480
[ 202.664353][ T4750] ? gfs2_recover_set+0x240/0x240
[ 202.669697][ T4750] ? snprintf+0xd7/0x120
[ 202.674028][ T4750] ? __free_pages+0x95/0x1a0
[ 202.678719][ T4750] ? vscnprintf+0x80/0x80
[ 202.683221][ T4750] gfs2_fill_super+0x128d/0x1f50
[ 202.688565][ T4750] ? gfs2_reconfigure+0xcd0/0xcd0
[ 202.693810][ T4750] ? preempt_count_add+0x8d/0x190
[ 202.699062][ T4750] ? sb_set_blocksize+0xa5/0xe0
[ 202.703928][ T4750] get_tree_bdev+0x3f1/0x610
[ 202.708730][ T4750] ? gfs2_reconfigure+0xcd0/0xcd0
[ 202.713843][ T4750] gfs2_get_tree+0x4d/0x1e0
[ 202.718344][ T4750] vfs_get_tree+0x88/0x270
[ 202.722766][ T4750] do_new_mount+0x24a/0xa40
[ 202.727535][ T4750] __se_sys_mount+0x2d6/0x3c0
[ 202.732313][ T4750] ? __x64_sys_mount+0xc0/0xc0
[ 202.737276][ T4750] ? lockdep_hardirqs_on+0x94/0x140
[ 202.742741][ T4750] ? __x64_sys_mount+0x1c/0xc0
[ 202.747524][ T4750] do_syscall_64+0x4c/0xa0
[ 202.752048][ T4750] ? clear_bhb_loop+0x30/0x80
[ 202.756875][ T4750] ? clear_bhb_loop+0x30/0x80
[ 202.761704][ T4750] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 202.767728][ T4750] RIP: 0033:0x7ff97fe9a38a
[ 202.772234][ T4750] 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
[ 202.792578][ T4750] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 202.802227][ T4750] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 202.810613][ T4750] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 202.819344][ T4750] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 202.827339][ T4750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 202.835650][ T4750] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 202.843925][ T4750]
[ 202.848281][ T4750] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 202.861997][ T4750] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 203.173830][ T4751] loop1: detected capacity change from 0 to 32768
[ 203.237396][ T4751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 203.247204][ T4751] CPU: 0 PID: 4751 Comm: syz.1.178 Not tainted 5.15.189-syzkaller #0
[ 203.255582][ T4751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 203.266105][ T4751] Call Trace:
[ 203.269397][ T4751]
[ 203.272332][ T4751] dump_stack_lvl+0x168/0x230
[ 203.277090][ T4751] ? show_regs_print_info+0x20/0x20
[ 203.282495][ T4751] ? load_image+0x3b0/0x3b0
[ 203.287303][ T4751] sysfs_create_dir_ns+0x252/0x280
[ 203.292522][ T4751] ? __lock_acquire+0x7c60/0x7c60
[ 203.297841][ T4751] ? sysfs_warn_dup+0xa0/0xa0
[ 203.302634][ T4751] ? do_raw_spin_unlock+0x11d/0x230
[ 203.308028][ T4751] kobject_add_internal+0x662/0xd00
[ 203.313364][ T4751] kobject_init_and_add+0x122/0x190
[ 203.318611][ T4751] ? lockdep_softirqs_off+0x420/0x420
[ 203.324172][ T4751] ? kobject_add+0x210/0x210
[ 203.328899][ T4751] ? __init_swait_queue_head+0xa5/0x150
[ 203.334499][ T4751] gfs2_sys_fs_add+0x234/0x480
[ 203.339368][ T4751] ? gfs2_recover_set+0x240/0x240
[ 203.344772][ T4751] ? snprintf+0xd7/0x120
[ 203.349071][ T4751] ? __free_pages+0x95/0x1a0
[ 203.353932][ T4751] ? vscnprintf+0x80/0x80
[ 203.358261][ T4751] gfs2_fill_super+0x128d/0x1f50
[ 203.363284][ T4751] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.368475][ T4751] ? preempt_count_add+0x8d/0x190
[ 203.373497][ T4751] ? sb_set_blocksize+0xa5/0xe0
[ 203.378344][ T4751] get_tree_bdev+0x3f1/0x610
[ 203.382925][ T4751] ? gfs2_reconfigure+0xcd0/0xcd0
[ 203.388127][ T4751] gfs2_get_tree+0x4d/0x1e0
[ 203.392696][ T4751] vfs_get_tree+0x88/0x270
[ 203.397163][ T4751] do_new_mount+0x24a/0xa40
[ 203.401883][ T4751] __se_sys_mount+0x2d6/0x3c0
[ 203.406676][ T4751] ? __x64_sys_mount+0xc0/0xc0
[ 203.411611][ T4751] ? lockdep_hardirqs_on+0x94/0x140
[ 203.416945][ T4751] ? __x64_sys_mount+0x1c/0xc0
[ 203.422038][ T4751] do_syscall_64+0x4c/0xa0
[ 203.426460][ T4751] ? clear_bhb_loop+0x30/0x80
[ 203.431344][ T4751] ? clear_bhb_loop+0x30/0x80
[ 203.436105][ T4751] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 203.442100][ T4751] RIP: 0033:0x7ff97fe9a38a
[ 203.446532][ T4751] 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
[ 203.467292][ T4751] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 203.476265][ T4751] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 203.484678][ T4751] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 203.492767][ T4751] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 203.500947][ T4751] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 203.508941][ T4751] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 203.517383][ T4751]
[ 203.521332][ T4751] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 203.534892][ T4751] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 203.867442][ T4752] loop1: detected capacity change from 0 to 32768
[ 203.933385][ T4752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 203.941072][ T4752] CPU: 1 PID: 4752 Comm: syz.1.179 Not tainted 5.15.189-syzkaller #0
[ 203.949454][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 203.959898][ T4752] Call Trace:
[ 203.963236][ T4752]
[ 203.966460][ T4752] dump_stack_lvl+0x168/0x230
[ 203.971382][ T4752] ? show_regs_print_info+0x20/0x20
[ 203.976715][ T4752] ? load_image+0x3b0/0x3b0
[ 203.981337][ T4752] sysfs_create_dir_ns+0x252/0x280
[ 203.986586][ T4752] ? __lock_acquire+0x7c60/0x7c60
[ 203.991836][ T4752] ? sysfs_warn_dup+0xa0/0xa0
[ 203.996734][ T4752] ? do_raw_spin_unlock+0x11d/0x230
[ 204.002223][ T4752] kobject_add_internal+0x662/0xd00
[ 204.007448][ T4752] kobject_init_and_add+0x122/0x190
[ 204.012882][ T4752] ? lockdep_softirqs_off+0x420/0x420
[ 204.018483][ T4752] ? kobject_add+0x210/0x210
[ 204.023368][ T4752] ? __init_swait_queue_head+0xa5/0x150
[ 204.029088][ T4752] gfs2_sys_fs_add+0x234/0x480
[ 204.034180][ T4752] ? gfs2_recover_set+0x240/0x240
[ 204.039210][ T4752] ? snprintf+0xd7/0x120
[ 204.043937][ T4752] ? __free_pages+0x95/0x1a0
[ 204.048620][ T4752] ? vscnprintf+0x80/0x80
[ 204.052965][ T4752] gfs2_fill_super+0x128d/0x1f50
[ 204.058074][ T4752] ? gfs2_reconfigure+0xcd0/0xcd0
[ 204.063204][ T4752] ? preempt_count_add+0x8d/0x190
[ 204.068274][ T4752] ? sb_set_blocksize+0xa5/0xe0
[ 204.073137][ T4752] get_tree_bdev+0x3f1/0x610
[ 204.077905][ T4752] ? gfs2_reconfigure+0xcd0/0xcd0
[ 204.083055][ T4752] gfs2_get_tree+0x4d/0x1e0
[ 204.087683][ T4752] vfs_get_tree+0x88/0x270
[ 204.092210][ T4752] do_new_mount+0x24a/0xa40
[ 204.096729][ T4752] __se_sys_mount+0x2d6/0x3c0
[ 204.101432][ T4752] ? __x64_sys_mount+0xc0/0xc0
[ 204.106489][ T4752] ? lockdep_hardirqs_on+0x94/0x140
[ 204.111871][ T4752] ? __x64_sys_mount+0x1c/0xc0
[ 204.117256][ T4752] do_syscall_64+0x4c/0xa0
[ 204.121769][ T4752] ? clear_bhb_loop+0x30/0x80
[ 204.126464][ T4752] ? clear_bhb_loop+0x30/0x80
[ 204.131328][ T4752] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 204.137219][ T4752] RIP: 0033:0x7ff97fe9a38a
[ 204.141803][ T4752] 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
[ 204.161487][ T4752] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 204.170387][ T4752] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 204.178496][ T4752] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 204.186666][ T4752] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 204.194755][ T4752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 204.203296][ T4752] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 204.211549][ T4752]
[ 204.216607][ T4752] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 204.230996][ T4752] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 204.546098][ T4753] loop1: detected capacity change from 0 to 32768
[ 204.613832][ T4753] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 204.621418][ T4753] CPU: 0 PID: 4753 Comm: syz.1.180 Not tainted 5.15.189-syzkaller #0
[ 204.630240][ T4753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 204.640571][ T4753] Call Trace:
[ 204.643873][ T4753]
[ 204.646861][ T4753] dump_stack_lvl+0x168/0x230
[ 204.651650][ T4753] ? show_regs_print_info+0x20/0x20
[ 204.657125][ T4753] ? load_image+0x3b0/0x3b0
[ 204.661658][ T4753] sysfs_create_dir_ns+0x252/0x280
[ 204.666789][ T4753] ? __lock_acquire+0x7c60/0x7c60
[ 204.672030][ T4753] ? sysfs_warn_dup+0xa0/0xa0
[ 204.676728][ T4753] ? do_raw_spin_unlock+0x11d/0x230
[ 204.681986][ T4753] kobject_add_internal+0x662/0xd00
[ 204.687377][ T4753] kobject_init_and_add+0x122/0x190
[ 204.692592][ T4753] ? lockdep_softirqs_off+0x420/0x420
[ 204.697986][ T4753] ? kobject_add+0x210/0x210
[ 204.702599][ T4753] ? __init_swait_queue_head+0xa5/0x150
[ 204.708335][ T4753] gfs2_sys_fs_add+0x234/0x480
[ 204.713393][ T4753] ? gfs2_recover_set+0x240/0x240
[ 204.718495][ T4753] ? snprintf+0xd7/0x120
[ 204.722726][ T4753] ? __free_pages+0x95/0x1a0
[ 204.727502][ T4753] ? vscnprintf+0x80/0x80
[ 204.731980][ T4753] gfs2_fill_super+0x128d/0x1f50
[ 204.736929][ T4753] ? gfs2_reconfigure+0xcd0/0xcd0
[ 204.741967][ T4753] ? preempt_count_add+0x8d/0x190
[ 204.747325][ T4753] ? sb_set_blocksize+0xa5/0xe0
[ 204.752263][ T4753] get_tree_bdev+0x3f1/0x610
[ 204.756861][ T4753] ? gfs2_reconfigure+0xcd0/0xcd0
[ 204.761869][ T4753] gfs2_get_tree+0x4d/0x1e0
[ 204.766465][ T4753] vfs_get_tree+0x88/0x270
[ 204.770882][ T4753] do_new_mount+0x24a/0xa40
[ 204.775386][ T4753] __se_sys_mount+0x2d6/0x3c0
[ 204.780065][ T4753] ? __x64_sys_mount+0xc0/0xc0
[ 204.784897][ T4753] ? lockdep_hardirqs_on+0x94/0x140
[ 204.790171][ T4753] ? __x64_sys_mount+0x1c/0xc0
[ 204.795094][ T4753] do_syscall_64+0x4c/0xa0
[ 204.799585][ T4753] ? clear_bhb_loop+0x30/0x80
[ 204.804254][ T4753] ? clear_bhb_loop+0x30/0x80
[ 204.809150][ T4753] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 204.815228][ T4753] RIP: 0033:0x7ff97fe9a38a
[ 204.819745][ T4753] 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
[ 204.839709][ T4753] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 204.848115][ T4753] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 204.856084][ T4753] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 204.864520][ T4753] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 204.872677][ T4753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 204.880961][ T4753] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 204.889174][ T4753]
[ 204.893421][ T4753] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 204.908358][ T4753] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 10:12:23 executed programs: 166
[ 205.260405][ T4754] loop1: detected capacity change from 0 to 32768
[ 205.307217][ T4754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.326102][ T4754] CPU: 1 PID: 4754 Comm: syz.1.181 Not tainted 5.15.189-syzkaller #0
[ 205.334335][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 205.344409][ T4754] Call Trace:
[ 205.347693][ T4754]
[ 205.350629][ T4754] dump_stack_lvl+0x168/0x230
[ 205.355323][ T4754] ? show_regs_print_info+0x20/0x20
[ 205.360717][ T4754] ? load_image+0x3b0/0x3b0
[ 205.365512][ T4754] sysfs_create_dir_ns+0x252/0x280
[ 205.370818][ T4754] ? __lock_acquire+0x7c60/0x7c60
[ 205.376291][ T4754] ? sysfs_warn_dup+0xa0/0xa0
[ 205.381037][ T4754] ? do_raw_spin_unlock+0x11d/0x230
[ 205.386345][ T4754] kobject_add_internal+0x662/0xd00
[ 205.392189][ T4754] kobject_init_and_add+0x122/0x190
[ 205.398392][ T4754] ? lockdep_softirqs_off+0x420/0x420
[ 205.404470][ T4754] ? kobject_add+0x210/0x210
[ 205.409220][ T4754] ? __init_swait_queue_head+0xa5/0x150
[ 205.415123][ T4754] gfs2_sys_fs_add+0x234/0x480
[ 205.419992][ T4754] ? gfs2_recover_set+0x240/0x240
[ 205.425151][ T4754] ? snprintf+0xd7/0x120
[ 205.429834][ T4754] ? __free_pages+0x95/0x1a0
[ 205.434508][ T4754] ? vscnprintf+0x80/0x80
[ 205.438834][ T4754] gfs2_fill_super+0x128d/0x1f50
[ 205.443807][ T4754] ? gfs2_reconfigure+0xcd0/0xcd0
[ 205.448830][ T4754] ? preempt_count_add+0x8d/0x190
[ 205.453969][ T4754] ? sb_set_blocksize+0xa5/0xe0
[ 205.458964][ T4754] get_tree_bdev+0x3f1/0x610
[ 205.463655][ T4754] ? gfs2_reconfigure+0xcd0/0xcd0
[ 205.468834][ T4754] gfs2_get_tree+0x4d/0x1e0
[ 205.473469][ T4754] vfs_get_tree+0x88/0x270
[ 205.477931][ T4754] do_new_mount+0x24a/0xa40
[ 205.482599][ T4754] __se_sys_mount+0x2d6/0x3c0
[ 205.487465][ T4754] ? __x64_sys_mount+0xc0/0xc0
[ 205.492228][ T4754] ? lockdep_hardirqs_on+0x94/0x140
[ 205.497745][ T4754] ? __x64_sys_mount+0x1c/0xc0
[ 205.502788][ T4754] do_syscall_64+0x4c/0xa0
[ 205.507218][ T4754] ? clear_bhb_loop+0x30/0x80
[ 205.512088][ T4754] ? clear_bhb_loop+0x30/0x80
[ 205.516855][ T4754] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 205.522992][ T4754] RIP: 0033:0x7ff97fe9a38a
[ 205.527662][ T4754] 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
[ 205.547428][ T4754] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.555832][ T4754] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 205.563804][ T4754] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 205.571908][ T4754] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 205.580054][ T4754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 205.588033][ T4754] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 205.596261][ T4754]
[ 205.601264][ T4754] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.614796][ T4754] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.918798][ T4755] loop1: detected capacity change from 0 to 32768
[ 206.015945][ T4755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.023592][ T4755] CPU: 0 PID: 4755 Comm: syz.1.182 Not tainted 5.15.189-syzkaller #0
[ 206.031847][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 206.041962][ T4755] Call Trace:
[ 206.045434][ T4755]
[ 206.048479][ T4755] dump_stack_lvl+0x168/0x230
[ 206.053361][ T4755] ? show_regs_print_info+0x20/0x20
[ 206.058823][ T4755] ? load_image+0x3b0/0x3b0
[ 206.063354][ T4755] sysfs_create_dir_ns+0x252/0x280
[ 206.068494][ T4755] ? __lock_acquire+0x7c60/0x7c60
[ 206.073967][ T4755] ? sysfs_warn_dup+0xa0/0xa0
[ 206.079040][ T4755] ? do_raw_spin_unlock+0x11d/0x230
[ 206.084850][ T4755] kobject_add_internal+0x662/0xd00
[ 206.090147][ T4755] kobject_init_and_add+0x122/0x190
[ 206.096223][ T4755] ? lockdep_softirqs_off+0x420/0x420
[ 206.101693][ T4755] ? kobject_add+0x210/0x210
[ 206.106506][ T4755] ? __init_swait_queue_head+0xa5/0x150
[ 206.112698][ T4755] gfs2_sys_fs_add+0x234/0x480
[ 206.118072][ T4755] ? gfs2_recover_set+0x240/0x240
[ 206.123390][ T4755] ? snprintf+0xd7/0x120
[ 206.128139][ T4755] ? __free_pages+0x95/0x1a0
[ 206.132834][ T4755] ? vscnprintf+0x80/0x80
[ 206.137262][ T4755] gfs2_fill_super+0x128d/0x1f50
[ 206.142208][ T4755] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.147252][ T4755] ? preempt_count_add+0x8d/0x190
[ 206.152621][ T4755] ? sb_set_blocksize+0xa5/0xe0
[ 206.157461][ T4755] get_tree_bdev+0x3f1/0x610
[ 206.162245][ T4755] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.167442][ T4755] gfs2_get_tree+0x4d/0x1e0
[ 206.172289][ T4755] vfs_get_tree+0x88/0x270
[ 206.176783][ T4755] do_new_mount+0x24a/0xa40
[ 206.181366][ T4755] __se_sys_mount+0x2d6/0x3c0
[ 206.186351][ T4755] ? __x64_sys_mount+0xc0/0xc0
[ 206.191202][ T4755] ? lockdep_hardirqs_on+0x94/0x140
[ 206.196575][ T4755] ? __x64_sys_mount+0x1c/0xc0
[ 206.201628][ T4755] do_syscall_64+0x4c/0xa0
[ 206.206308][ T4755] ? clear_bhb_loop+0x30/0x80
[ 206.211279][ T4755] ? clear_bhb_loop+0x30/0x80
[ 206.216134][ T4755] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 206.222121][ T4755] RIP: 0033:0x7ff97fe9a38a
[ 206.226624][ T4755] 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
[ 206.246925][ T4755] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.255646][ T4755] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 206.263976][ T4755] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 206.272377][ T4755] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 206.280882][ T4755] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 206.289130][ T4755] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 206.297390][ T4755]
[ 206.301286][ T4755] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.315476][ T4755] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 206.660392][ T4756] loop1: detected capacity change from 0 to 32768
[ 206.675696][ T4756] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.684628][ T4756] CPU: 1 PID: 4756 Comm: syz.1.183 Not tainted 5.15.189-syzkaller #0
[ 206.692828][ T4756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 206.703187][ T4756] Call Trace:
[ 206.706754][ T4756]
[ 206.709812][ T4756] dump_stack_lvl+0x168/0x230
[ 206.714863][ T4756] ? show_regs_print_info+0x20/0x20
[ 206.720285][ T4756] ? load_image+0x3b0/0x3b0
[ 206.724929][ T4756] sysfs_create_dir_ns+0x252/0x280
[ 206.731657][ T4756] ? __lock_acquire+0x7c60/0x7c60
[ 206.736783][ T4756] ? sysfs_warn_dup+0xa0/0xa0
[ 206.741715][ T4756] ? do_raw_spin_unlock+0x11d/0x230
[ 206.747284][ T4756] kobject_add_internal+0x662/0xd00
[ 206.752874][ T4756] kobject_init_and_add+0x122/0x190
[ 206.758161][ T4756] ? lockdep_softirqs_off+0x420/0x420
[ 206.763554][ T4756] ? kobject_add+0x210/0x210
[ 206.768163][ T4756] ? __init_swait_queue_head+0xa5/0x150
[ 206.773884][ T4756] gfs2_sys_fs_add+0x234/0x480
[ 206.778665][ T4756] ? gfs2_recover_set+0x240/0x240
[ 206.783778][ T4756] ? snprintf+0xd7/0x120
[ 206.788265][ T4756] ? __free_pages+0x95/0x1a0
[ 206.792992][ T4756] ? vscnprintf+0x80/0x80
[ 206.797594][ T4756] gfs2_fill_super+0x128d/0x1f50
[ 206.802746][ T4756] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.808054][ T4756] ? preempt_count_add+0x8d/0x190
[ 206.813178][ T4756] ? sb_set_blocksize+0xa5/0xe0
[ 206.818114][ T4756] get_tree_bdev+0x3f1/0x610
[ 206.822731][ T4756] ? gfs2_reconfigure+0xcd0/0xcd0
[ 206.828318][ T4756] gfs2_get_tree+0x4d/0x1e0
[ 206.832894][ T4756] vfs_get_tree+0x88/0x270
[ 206.837757][ T4756] do_new_mount+0x24a/0xa40
[ 206.842535][ T4756] __se_sys_mount+0x2d6/0x3c0
[ 206.847214][ T4756] ? __x64_sys_mount+0xc0/0xc0
[ 206.851993][ T4756] ? lockdep_hardirqs_on+0x94/0x140
[ 206.857190][ T4756] ? __x64_sys_mount+0x1c/0xc0
[ 206.862305][ T4756] do_syscall_64+0x4c/0xa0
[ 206.866897][ T4756] ? clear_bhb_loop+0x30/0x80
[ 206.871587][ T4756] ? clear_bhb_loop+0x30/0x80
[ 206.876754][ T4756] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 206.883296][ T4756] RIP: 0033:0x7ff97fe9a38a
[ 206.888267][ T4756] 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
[ 206.908276][ T4756] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.916985][ T4756] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 206.925062][ T4756] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 206.933477][ T4756] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 206.941866][ T4756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 206.950645][ T4756] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 206.958632][ T4756]
[ 206.963900][ T4756] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.977284][ T4756] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.324071][ T4757] loop1: detected capacity change from 0 to 32768
[ 207.367669][ T4757] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.376159][ T4757] CPU: 1 PID: 4757 Comm: syz.1.184 Not tainted 5.15.189-syzkaller #0
[ 207.386449][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 207.396617][ T4757] Call Trace:
[ 207.400106][ T4757]
[ 207.403151][ T4757] dump_stack_lvl+0x168/0x230
[ 207.408044][ T4757] ? show_regs_print_info+0x20/0x20
[ 207.413362][ T4757] ? load_image+0x3b0/0x3b0
[ 207.418002][ T4757] sysfs_create_dir_ns+0x252/0x280
[ 207.423537][ T4757] ? __lock_acquire+0x7c60/0x7c60
[ 207.428769][ T4757] ? sysfs_warn_dup+0xa0/0xa0
[ 207.433982][ T4757] ? do_raw_spin_unlock+0x11d/0x230
[ 207.439329][ T4757] kobject_add_internal+0x662/0xd00
[ 207.444572][ T4757] kobject_init_and_add+0x122/0x190
[ 207.450002][ T4757] ? lockdep_softirqs_off+0x420/0x420
[ 207.455623][ T4757] ? kobject_add+0x210/0x210
[ 207.460310][ T4757] ? __init_swait_queue_head+0xa5/0x150
[ 207.466322][ T4757] gfs2_sys_fs_add+0x234/0x480
[ 207.471472][ T4757] ? gfs2_recover_set+0x240/0x240
[ 207.477565][ T4757] ? snprintf+0xd7/0x120
[ 207.482122][ T4757] ? __free_pages+0x95/0x1a0
[ 207.486923][ T4757] ? vscnprintf+0x80/0x80
[ 207.491469][ T4757] gfs2_fill_super+0x128d/0x1f50
[ 207.496548][ T4757] ? gfs2_reconfigure+0xcd0/0xcd0
[ 207.502426][ T4757] ? preempt_count_add+0x8d/0x190
[ 207.507661][ T4757] ? sb_set_blocksize+0xa5/0xe0
[ 207.512854][ T4757] get_tree_bdev+0x3f1/0x610
[ 207.518030][ T4757] ? gfs2_reconfigure+0xcd0/0xcd0
[ 207.523358][ T4757] gfs2_get_tree+0x4d/0x1e0
[ 207.528476][ T4757] vfs_get_tree+0x88/0x270
[ 207.533171][ T4757] do_new_mount+0x24a/0xa40
[ 207.538349][ T4757] __se_sys_mount+0x2d6/0x3c0
[ 207.543296][ T4757] ? __x64_sys_mount+0xc0/0xc0
[ 207.548071][ T4757] ? lockdep_hardirqs_on+0x94/0x140
[ 207.553363][ T4757] ? __x64_sys_mount+0x1c/0xc0
[ 207.558492][ T4757] do_syscall_64+0x4c/0xa0
[ 207.563066][ T4757] ? clear_bhb_loop+0x30/0x80
[ 207.567902][ T4757] ? clear_bhb_loop+0x30/0x80
[ 207.572598][ T4757] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 207.579103][ T4757] RIP: 0033:0x7ff97fe9a38a
[ 207.583641][ T4757] 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
[ 207.604287][ T4757] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.613218][ T4757] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 207.621882][ T4757] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 207.630494][ T4757] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 207.638737][ T4757] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 207.647278][ T4757] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 207.655268][ T4757]
[ 207.664548][ T4757] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.679025][ T4757] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.009482][ T4758] loop1: detected capacity change from 0 to 32768
[ 208.062075][ T4758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.069586][ T4758] CPU: 0 PID: 4758 Comm: syz.1.185 Not tainted 5.15.189-syzkaller #0
[ 208.078089][ T4758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 208.088699][ T4758] Call Trace:
[ 208.092015][ T4758]
[ 208.095054][ T4758] dump_stack_lvl+0x168/0x230
[ 208.099768][ T4758] ? show_regs_print_info+0x20/0x20
[ 208.105269][ T4758] ? load_image+0x3b0/0x3b0
[ 208.110110][ T4758] sysfs_create_dir_ns+0x252/0x280
[ 208.115264][ T4758] ? __lock_acquire+0x7c60/0x7c60
[ 208.120320][ T4758] ? sysfs_warn_dup+0xa0/0xa0
[ 208.125116][ T4758] ? do_raw_spin_unlock+0x11d/0x230
[ 208.130820][ T4758] kobject_add_internal+0x662/0xd00
[ 208.136208][ T4758] kobject_init_and_add+0x122/0x190
[ 208.141517][ T4758] ? lockdep_softirqs_off+0x420/0x420
[ 208.146994][ T4758] ? kobject_add+0x210/0x210
[ 208.151670][ T4758] ? __init_swait_queue_head+0xa5/0x150
[ 208.157331][ T4758] gfs2_sys_fs_add+0x234/0x480
[ 208.162441][ T4758] ? gfs2_recover_set+0x240/0x240
[ 208.167478][ T4758] ? snprintf+0xd7/0x120
[ 208.172313][ T4758] ? __free_pages+0x95/0x1a0
[ 208.176991][ T4758] ? vscnprintf+0x80/0x80
[ 208.181535][ T4758] gfs2_fill_super+0x128d/0x1f50
[ 208.186570][ T4758] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.191598][ T4758] ? preempt_count_add+0x8d/0x190
[ 208.196724][ T4758] ? sb_set_blocksize+0xa5/0xe0
[ 208.201571][ T4758] get_tree_bdev+0x3f1/0x610
[ 208.206408][ T4758] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.211752][ T4758] gfs2_get_tree+0x4d/0x1e0
[ 208.216789][ T4758] vfs_get_tree+0x88/0x270
[ 208.221329][ T4758] do_new_mount+0x24a/0xa40
[ 208.225847][ T4758] __se_sys_mount+0x2d6/0x3c0
[ 208.230614][ T4758] ? __x64_sys_mount+0xc0/0xc0
[ 208.235393][ T4758] ? lockdep_hardirqs_on+0x94/0x140
[ 208.240972][ T4758] ? __x64_sys_mount+0x1c/0xc0
[ 208.245813][ T4758] do_syscall_64+0x4c/0xa0
[ 208.250239][ T4758] ? clear_bhb_loop+0x30/0x80
[ 208.255172][ T4758] ? clear_bhb_loop+0x30/0x80
[ 208.259855][ T4758] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.266195][ T4758] RIP: 0033:0x7ff97fe9a38a
[ 208.270708][ T4758] 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
[ 208.291501][ T4758] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.300699][ T4758] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 208.309118][ T4758] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 208.317348][ T4758] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 208.325587][ T4758] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 208.334071][ T4758] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 208.342219][ T4758]
[ 208.346050][ T4758] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.359884][ T4758] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.687748][ T4759] loop1: detected capacity change from 0 to 32768
[ 208.756913][ T4759] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.768706][ T4759] CPU: 1 PID: 4759 Comm: syz.1.186 Not tainted 5.15.189-syzkaller #0
[ 208.777267][ T4759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 208.787876][ T4759] Call Trace:
[ 208.791266][ T4759]
[ 208.794211][ T4759] dump_stack_lvl+0x168/0x230
[ 208.798996][ T4759] ? show_regs_print_info+0x20/0x20
[ 208.804486][ T4759] ? load_image+0x3b0/0x3b0
[ 208.810080][ T4759] sysfs_create_dir_ns+0x252/0x280
[ 208.816657][ T4759] ? __lock_acquire+0x7c60/0x7c60
[ 208.822916][ T4759] ? sysfs_warn_dup+0xa0/0xa0
[ 208.827731][ T4759] ? do_raw_spin_unlock+0x11d/0x230
[ 208.833066][ T4759] kobject_add_internal+0x662/0xd00
[ 208.838502][ T4759] kobject_init_and_add+0x122/0x190
[ 208.843729][ T4759] ? lockdep_softirqs_off+0x420/0x420
[ 208.849306][ T4759] ? kobject_add+0x210/0x210
[ 208.854004][ T4759] ? __init_swait_queue_head+0xa5/0x150
[ 208.859922][ T4759] gfs2_sys_fs_add+0x234/0x480
[ 208.865130][ T4759] ? gfs2_recover_set+0x240/0x240
[ 208.870856][ T4759] ? snprintf+0xd7/0x120
[ 208.875759][ T4759] ? __free_pages+0x95/0x1a0
[ 208.880716][ T4759] ? vscnprintf+0x80/0x80
[ 208.885234][ T4759] gfs2_fill_super+0x128d/0x1f50
[ 208.890196][ T4759] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.896481][ T4759] ? preempt_count_add+0x8d/0x190
[ 208.901624][ T4759] ? sb_set_blocksize+0xa5/0xe0
[ 208.907266][ T4759] get_tree_bdev+0x3f1/0x610
[ 208.911975][ T4759] ? gfs2_reconfigure+0xcd0/0xcd0
[ 208.917100][ T4759] gfs2_get_tree+0x4d/0x1e0
[ 208.921750][ T4759] vfs_get_tree+0x88/0x270
[ 208.926262][ T4759] do_new_mount+0x24a/0xa40
[ 208.931350][ T4759] __se_sys_mount+0x2d6/0x3c0
[ 208.936834][ T4759] ? __x64_sys_mount+0xc0/0xc0
[ 208.941809][ T4759] ? lockdep_hardirqs_on+0x94/0x140
[ 208.947727][ T4759] ? __x64_sys_mount+0x1c/0xc0
[ 208.952751][ T4759] do_syscall_64+0x4c/0xa0
[ 208.957394][ T4759] ? clear_bhb_loop+0x30/0x80
[ 208.963110][ T4759] ? clear_bhb_loop+0x30/0x80
[ 208.968467][ T4759] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 208.974920][ T4759] RIP: 0033:0x7ff97fe9a38a
[ 208.979969][ T4759] 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
[ 209.002552][ T4759] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 209.011381][ T4759] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 209.019962][ T4759] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 209.030585][ T4759] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 209.040660][ T4759] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 209.049258][ T4759] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 209.057809][ T4759]
[ 209.063626][ T4759] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.078177][ T4759] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 209.427562][ T4760] loop1: detected capacity change from 0 to 32768
[ 209.478861][ T4760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 209.490541][ T4760] CPU: 0 PID: 4760 Comm: syz.1.187 Not tainted 5.15.189-syzkaller #0
[ 209.499094][ T4760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 209.510989][ T4760] Call Trace:
[ 209.514916][ T4760]
[ 209.518261][ T4760] dump_stack_lvl+0x168/0x230
[ 209.523770][ T4760] ? show_regs_print_info+0x20/0x20
[ 209.531670][ T4760] ? load_image+0x3b0/0x3b0
[ 209.537110][ T4760] sysfs_create_dir_ns+0x252/0x280
[ 209.542704][ T4760] ? __lock_acquire+0x7c60/0x7c60
[ 209.548710][ T4760] ? sysfs_warn_dup+0xa0/0xa0
[ 209.554295][ T4760] ? do_raw_spin_unlock+0x11d/0x230
[ 209.559875][ T4760] kobject_add_internal+0x662/0xd00
[ 209.566404][ T4760] kobject_init_and_add+0x122/0x190
[ 209.572336][ T4760] ? lockdep_softirqs_off+0x420/0x420
[ 209.578793][ T4760] ? kobject_add+0x210/0x210
[ 209.584050][ T4760] ? __init_swait_queue_head+0xa5/0x150
[ 209.590910][ T4760] gfs2_sys_fs_add+0x234/0x480
[ 209.596383][ T4760] ? gfs2_recover_set+0x240/0x240
[ 209.601958][ T4760] ? snprintf+0xd7/0x120
[ 209.606561][ T4760] ? __free_pages+0x95/0x1a0
[ 209.611549][ T4760] ? vscnprintf+0x80/0x80
[ 209.616181][ T4760] gfs2_fill_super+0x128d/0x1f50
[ 209.621321][ T4760] ? gfs2_reconfigure+0xcd0/0xcd0
[ 209.626471][ T4760] ? preempt_count_add+0x8d/0x190
[ 209.631526][ T4760] ? sb_set_blocksize+0xa5/0xe0
[ 209.636488][ T4760] get_tree_bdev+0x3f1/0x610
[ 209.641665][ T4760] ? gfs2_reconfigure+0xcd0/0xcd0
[ 209.646863][ T4760] gfs2_get_tree+0x4d/0x1e0
[ 209.651397][ T4760] vfs_get_tree+0x88/0x270
[ 209.656007][ T4760] do_new_mount+0x24a/0xa40
[ 209.660892][ T4760] __se_sys_mount+0x2d6/0x3c0
[ 209.665668][ T4760] ? __x64_sys_mount+0xc0/0xc0
[ 209.670682][ T4760] ? lockdep_hardirqs_on+0x94/0x140
[ 209.675911][ T4760] ? __x64_sys_mount+0x1c/0xc0
[ 209.681178][ T4760] do_syscall_64+0x4c/0xa0
[ 209.685603][ T4760] ? clear_bhb_loop+0x30/0x80
[ 209.690738][ T4760] ? clear_bhb_loop+0x30/0x80
[ 209.695721][ T4760] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 209.702439][ T4760] RIP: 0033:0x7ff97fe9a38a
[ 209.706973][ T4760] 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
[ 209.727249][ T4760] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 209.736293][ T4760] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 209.744784][ T4760] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 209.753448][ T4760] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 209.761661][ T4760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 209.770036][ T4760] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 209.778128][ T4760]
[ 209.782746][ T4760] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.797110][ T4760] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 210.138954][ T4761] loop1: detected capacity change from 0 to 32768
[ 210.192474][ T4761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.200506][ T4761] CPU: 0 PID: 4761 Comm: syz.1.188 Not tainted 5.15.189-syzkaller #0
[ 210.208862][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 210.219147][ T4761] Call Trace:
[ 210.222700][ T4761]
[ 210.225748][ T4761] dump_stack_lvl+0x168/0x230
[ 210.230721][ T4761] ? show_regs_print_info+0x20/0x20
[ 210.236121][ T4761] ? load_image+0x3b0/0x3b0
[ 210.241209][ T4761] sysfs_create_dir_ns+0x252/0x280
[ 210.246449][ T4761] ? __lock_acquire+0x7c60/0x7c60
[ 210.251787][ T4761] ? sysfs_warn_dup+0xa0/0xa0
[ 210.256588][ T4761] ? do_raw_spin_unlock+0x11d/0x230
[ 210.261816][ T4761] kobject_add_internal+0x662/0xd00
[ 210.267319][ T4761] kobject_init_and_add+0x122/0x190
[ 210.272738][ T4761] ? lockdep_softirqs_off+0x420/0x420
[ 210.278421][ T4761] ? kobject_add+0x210/0x210
[ 210.283642][ T4761] ? __init_swait_queue_head+0xa5/0x150
[ 210.289242][ T4761] gfs2_sys_fs_add+0x234/0x480
[ 210.294303][ T4761] ? gfs2_recover_set+0x240/0x240
[ 210.299580][ T4761] ? snprintf+0xd7/0x120
[ 210.303975][ T4761] ? __free_pages+0x95/0x1a0
[ 210.308705][ T4761] ? vscnprintf+0x80/0x80
[ 210.313300][ T4761] gfs2_fill_super+0x128d/0x1f50
[ 210.318245][ T4761] ? gfs2_reconfigure+0xcd0/0xcd0
[ 210.323444][ T4761] ? preempt_count_add+0x8d/0x190
[ 210.328800][ T4761] ? sb_set_blocksize+0xa5/0xe0
[ 210.333931][ T4761] get_tree_bdev+0x3f1/0x610
[ 210.338645][ T4761] ? gfs2_reconfigure+0xcd0/0xcd0
[ 210.343868][ T4761] gfs2_get_tree+0x4d/0x1e0
[ 210.348506][ T4761] vfs_get_tree+0x88/0x270
[ 210.353065][ T4761] do_new_mount+0x24a/0xa40
[ 210.357730][ T4761] __se_sys_mount+0x2d6/0x3c0
[ 210.362697][ T4761] ? __x64_sys_mount+0xc0/0xc0
[ 210.367734][ T4761] ? lockdep_hardirqs_on+0x94/0x140
[ 210.373292][ T4761] ? __x64_sys_mount+0x1c/0xc0
[ 210.378259][ T4761] do_syscall_64+0x4c/0xa0
[ 210.383346][ T4761] ? clear_bhb_loop+0x30/0x80
[ 210.388264][ T4761] ? clear_bhb_loop+0x30/0x80
[ 210.393154][ T4761] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.399288][ T4761] RIP: 0033:0x7ff97fe9a38a
[ 210.405299][ T4761] 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
[ 210.428763][ T4761] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 210.438047][ T4761] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 210.447374][ T4761] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 210.455724][ T4761] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 210.464218][ T4761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 210.472230][ T4761] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 210.480233][ T4761]
[ 210.484296][ T4761] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 210.497859][ T4761] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 10:12:29 executed programs: 174
[ 210.812619][ T4762] loop1: detected capacity change from 0 to 32768
[ 210.852856][ T4762] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.860317][ T4762] CPU: 1 PID: 4762 Comm: syz.1.189 Not tainted 5.15.189-syzkaller #0
[ 210.868768][ T4762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 210.881503][ T4762] Call Trace:
[ 210.884806][ T4762]
[ 210.887751][ T4762] dump_stack_lvl+0x168/0x230
[ 210.892546][ T4762] ? show_regs_print_info+0x20/0x20
[ 210.897769][ T4762] ? load_image+0x3b0/0x3b0
[ 210.902513][ T4762] sysfs_create_dir_ns+0x252/0x280
[ 210.907729][ T4762] ? __lock_acquire+0x7c60/0x7c60
[ 210.912774][ T4762] ? sysfs_warn_dup+0xa0/0xa0
[ 210.917644][ T4762] ? do_raw_spin_unlock+0x11d/0x230
[ 210.922947][ T4762] kobject_add_internal+0x662/0xd00
[ 210.928386][ T4762] kobject_init_and_add+0x122/0x190
[ 210.933710][ T4762] ? lockdep_softirqs_off+0x420/0x420
[ 210.939435][ T4762] ? kobject_add+0x210/0x210
[ 210.944138][ T4762] ? __init_swait_queue_head+0xa5/0x150
[ 210.949864][ T4762] gfs2_sys_fs_add+0x234/0x480
[ 210.954802][ T4762] ? gfs2_recover_set+0x240/0x240
[ 210.960007][ T4762] ? snprintf+0xd7/0x120
[ 210.964424][ T4762] ? __free_pages+0x95/0x1a0
[ 210.969100][ T4762] ? vscnprintf+0x80/0x80
[ 210.974335][ T4762] gfs2_fill_super+0x128d/0x1f50
[ 210.979472][ T4762] ? gfs2_reconfigure+0xcd0/0xcd0
[ 210.984786][ T4762] ? preempt_count_add+0x8d/0x190
[ 210.990095][ T4762] ? sb_set_blocksize+0xa5/0xe0
[ 210.994989][ T4762] get_tree_bdev+0x3f1/0x610
[ 210.999937][ T4762] ? gfs2_reconfigure+0xcd0/0xcd0
[ 211.005457][ T4762] gfs2_get_tree+0x4d/0x1e0
[ 211.010306][ T4762] vfs_get_tree+0x88/0x270
[ 211.015520][ T4762] do_new_mount+0x24a/0xa40
[ 211.020123][ T4762] __se_sys_mount+0x2d6/0x3c0
[ 211.024916][ T4762] ? __x64_sys_mount+0xc0/0xc0
[ 211.029951][ T4762] ? lockdep_hardirqs_on+0x94/0x140
[ 211.035147][ T4762] ? __x64_sys_mount+0x1c/0xc0
[ 211.040731][ T4762] do_syscall_64+0x4c/0xa0
[ 211.045984][ T4762] ? clear_bhb_loop+0x30/0x80
[ 211.051382][ T4762] ? clear_bhb_loop+0x30/0x80
[ 211.056420][ T4762] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.062429][ T4762] RIP: 0033:0x7ff97fe9a38a
[ 211.067099][ T4762] 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
[ 211.087638][ T4762] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.096579][ T4762] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 211.104669][ T4762] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 211.113710][ T4762] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 211.122004][ T4762] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 211.130282][ T4762] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 211.139001][ T4762]
[ 211.143907][ T4762] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.157715][ T4762] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 211.490637][ T4763] loop1: detected capacity change from 0 to 32768
[ 211.540998][ T4763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 211.548853][ T4763] CPU: 1 PID: 4763 Comm: syz.1.190 Not tainted 5.15.189-syzkaller #0
[ 211.557019][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 211.567265][ T4763] Call Trace:
[ 211.570644][ T4763]
[ 211.573600][ T4763] dump_stack_lvl+0x168/0x230
[ 211.578478][ T4763] ? show_regs_print_info+0x20/0x20
[ 211.584060][ T4763] ? load_image+0x3b0/0x3b0
[ 211.588684][ T4763] sysfs_create_dir_ns+0x252/0x280
[ 211.593985][ T4763] ? __lock_acquire+0x7c60/0x7c60
[ 211.599023][ T4763] ? sysfs_warn_dup+0xa0/0xa0
[ 211.603907][ T4763] ? do_raw_spin_unlock+0x11d/0x230
[ 211.609552][ T4763] kobject_add_internal+0x662/0xd00
[ 211.614879][ T4763] kobject_init_and_add+0x122/0x190
[ 211.620245][ T4763] ? lockdep_softirqs_off+0x420/0x420
[ 211.625886][ T4763] ? kobject_add+0x210/0x210
[ 211.630676][ T4763] ? __init_swait_queue_head+0xa5/0x150
[ 211.636234][ T4763] gfs2_sys_fs_add+0x234/0x480
[ 211.641091][ T4763] ? gfs2_recover_set+0x240/0x240
[ 211.646253][ T4763] ? snprintf+0xd7/0x120
[ 211.650501][ T4763] ? __free_pages+0x95/0x1a0
[ 211.655125][ T4763] ? vscnprintf+0x80/0x80
[ 211.659451][ T4763] gfs2_fill_super+0x128d/0x1f50
[ 211.664482][ T4763] ? gfs2_reconfigure+0xcd0/0xcd0
[ 211.670119][ T4763] ? preempt_count_add+0x8d/0x190
[ 211.675404][ T4763] ? sb_set_blocksize+0xa5/0xe0
[ 211.680417][ T4763] get_tree_bdev+0x3f1/0x610
[ 211.685067][ T4763] ? gfs2_reconfigure+0xcd0/0xcd0
[ 211.690090][ T4763] gfs2_get_tree+0x4d/0x1e0
[ 211.694896][ T4763] vfs_get_tree+0x88/0x270
[ 211.699631][ T4763] do_new_mount+0x24a/0xa40
[ 211.704236][ T4763] __se_sys_mount+0x2d6/0x3c0
[ 211.709132][ T4763] ? __x64_sys_mount+0xc0/0xc0
[ 211.713887][ T4763] ? lockdep_hardirqs_on+0x94/0x140
[ 211.719094][ T4763] ? __x64_sys_mount+0x1c/0xc0
[ 211.723958][ T4763] do_syscall_64+0x4c/0xa0
[ 211.728580][ T4763] ? clear_bhb_loop+0x30/0x80
[ 211.733762][ T4763] ? clear_bhb_loop+0x30/0x80
[ 211.739337][ T4763] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.745244][ T4763] RIP: 0033:0x7ff97fe9a38a
[ 211.750062][ T4763] 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
[ 211.772155][ T4763] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.780896][ T4763] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 211.790142][ T4763] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 211.798239][ T4763] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 211.806944][ T4763] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 211.816103][ T4763] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 211.825128][ T4763]
[ 211.830301][ T4763] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.845758][ T4763] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.102311][ T21] Bluetooth: hci1: command 0x0406 tx timeout
[ 212.178840][ T4764] loop1: detected capacity change from 0 to 32768
[ 212.264394][ T4764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.272504][ T4764] CPU: 0 PID: 4764 Comm: syz.1.191 Not tainted 5.15.189-syzkaller #0
[ 212.280675][ T4764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 212.291621][ T4764] Call Trace:
[ 212.295085][ T4764]
[ 212.298089][ T4764] dump_stack_lvl+0x168/0x230
[ 212.303070][ T4764] ? show_regs_print_info+0x20/0x20
[ 212.308820][ T4764] ? load_image+0x3b0/0x3b0
[ 212.313745][ T4764] sysfs_create_dir_ns+0x252/0x280
[ 212.319322][ T4764] ? __lock_acquire+0x7c60/0x7c60
[ 212.325072][ T4764] ? sysfs_warn_dup+0xa0/0xa0
[ 212.330758][ T4764] ? do_raw_spin_unlock+0x11d/0x230
[ 212.336349][ T4764] kobject_add_internal+0x662/0xd00
[ 212.342160][ T4764] kobject_init_and_add+0x122/0x190
[ 212.348371][ T4764] ? lockdep_softirqs_off+0x420/0x420
[ 212.354319][ T4764] ? kobject_add+0x210/0x210
[ 212.359965][ T4764] ? __init_swait_queue_head+0xa5/0x150
[ 212.365973][ T4764] gfs2_sys_fs_add+0x234/0x480
[ 212.371009][ T4764] ? gfs2_recover_set+0x240/0x240
[ 212.376509][ T4764] ? snprintf+0xd7/0x120
[ 212.381024][ T4764] ? __free_pages+0x95/0x1a0
[ 212.385874][ T4764] ? vscnprintf+0x80/0x80
[ 212.390308][ T4764] gfs2_fill_super+0x128d/0x1f50
[ 212.395548][ T4764] ? gfs2_reconfigure+0xcd0/0xcd0
[ 212.401055][ T4764] ? preempt_count_add+0x8d/0x190
[ 212.406271][ T4764] ? sb_set_blocksize+0xa5/0xe0
[ 212.411585][ T4764] get_tree_bdev+0x3f1/0x610
[ 212.416184][ T4764] ? gfs2_reconfigure+0xcd0/0xcd0
[ 212.421293][ T4764] gfs2_get_tree+0x4d/0x1e0
[ 212.426499][ T4764] vfs_get_tree+0x88/0x270
[ 212.432073][ T4764] do_new_mount+0x24a/0xa40
[ 212.436847][ T4764] __se_sys_mount+0x2d6/0x3c0
[ 212.442010][ T4764] ? __x64_sys_mount+0xc0/0xc0
[ 212.447004][ T4764] ? lockdep_hardirqs_on+0x94/0x140
[ 212.452368][ T4764] ? __x64_sys_mount+0x1c/0xc0
[ 212.457467][ T4764] do_syscall_64+0x4c/0xa0
[ 212.461896][ T4764] ? clear_bhb_loop+0x30/0x80
[ 212.466563][ T4764] ? clear_bhb_loop+0x30/0x80
[ 212.471593][ T4764] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 212.477937][ T4764] RIP: 0033:0x7ff97fe9a38a
[ 212.482363][ T4764] 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
[ 212.503338][ T4764] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 212.512276][ T4764] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 212.520388][ T4764] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 212.529038][ T4764] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 212.537366][ T4764] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 212.545809][ T4764] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 212.554391][ T4764]
[ 212.558611][ T4764] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 212.572696][ T4764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.921433][ T4765] loop1: detected capacity change from 0 to 32768
[ 212.968905][ T4765] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.976699][ T4765] CPU: 0 PID: 4765 Comm: syz.1.192 Not tainted 5.15.189-syzkaller #0
[ 212.985075][ T4765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 212.995677][ T4765] Call Trace:
[ 212.999300][ T4765]
[ 213.002350][ T4765] dump_stack_lvl+0x168/0x230
[ 213.007250][ T4765] ? show_regs_print_info+0x20/0x20
[ 213.012754][ T4765] ? load_image+0x3b0/0x3b0
[ 213.017483][ T4765] sysfs_create_dir_ns+0x252/0x280
[ 213.023422][ T4765] ? __lock_acquire+0x7c60/0x7c60
[ 213.028750][ T4765] ? sysfs_warn_dup+0xa0/0xa0
[ 213.033480][ T4765] ? do_raw_spin_unlock+0x11d/0x230
[ 213.039042][ T4765] kobject_add_internal+0x662/0xd00
[ 213.044514][ T4765] kobject_init_and_add+0x122/0x190
[ 213.050098][ T4765] ? lockdep_softirqs_off+0x420/0x420
[ 213.055682][ T4765] ? kobject_add+0x210/0x210
[ 213.060559][ T4765] ? __init_swait_queue_head+0xa5/0x150
[ 213.066415][ T4765] gfs2_sys_fs_add+0x234/0x480
[ 213.071306][ T4765] ? gfs2_recover_set+0x240/0x240
[ 213.076692][ T4765] ? snprintf+0xd7/0x120
[ 213.081056][ T4765] ? __free_pages+0x95/0x1a0
[ 213.085750][ T4765] ? vscnprintf+0x80/0x80
[ 213.090174][ T4765] gfs2_fill_super+0x128d/0x1f50
[ 213.095367][ T4765] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.100901][ T4765] ? preempt_count_add+0x8d/0x190
[ 213.106059][ T4765] ? sb_set_blocksize+0xa5/0xe0
[ 213.111002][ T4765] get_tree_bdev+0x3f1/0x610
[ 213.115681][ T4765] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.120965][ T4765] gfs2_get_tree+0x4d/0x1e0
[ 213.125465][ T4765] vfs_get_tree+0x88/0x270
[ 213.129888][ T4765] do_new_mount+0x24a/0xa40
[ 213.134399][ T4765] __se_sys_mount+0x2d6/0x3c0
[ 213.139248][ T4765] ? __x64_sys_mount+0xc0/0xc0
[ 213.144093][ T4765] ? lockdep_hardirqs_on+0x94/0x140
[ 213.149425][ T4765] ? __x64_sys_mount+0x1c/0xc0
[ 213.154300][ T4765] do_syscall_64+0x4c/0xa0
[ 213.158751][ T4765] ? clear_bhb_loop+0x30/0x80
[ 213.163524][ T4765] ? clear_bhb_loop+0x30/0x80
[ 213.168213][ T4765] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.174219][ T4765] RIP: 0033:0x7ff97fe9a38a
[ 213.179072][ T4765] 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
[ 213.199380][ T4765] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.208020][ T4765] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 213.216666][ T4765] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 213.224913][ T4765] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 213.233003][ T4765] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 213.241317][ T4765] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 213.249629][ T4765]
[ 213.253749][ T4765] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.267625][ T4765] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 213.609078][ T4766] loop1: detected capacity change from 0 to 32768
[ 213.705087][ T4766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.713919][ T4766] CPU: 0 PID: 4766 Comm: syz.1.193 Not tainted 5.15.189-syzkaller #0
[ 213.722337][ T4766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 213.732782][ T4766] Call Trace:
[ 213.736208][ T4766]
[ 213.739283][ T4766] dump_stack_lvl+0x168/0x230
[ 213.744076][ T4766] ? show_regs_print_info+0x20/0x20
[ 213.749296][ T4766] ? load_image+0x3b0/0x3b0
[ 213.753928][ T4766] sysfs_create_dir_ns+0x252/0x280
[ 213.759221][ T4766] ? __lock_acquire+0x7c60/0x7c60
[ 213.764550][ T4766] ? sysfs_warn_dup+0xa0/0xa0
[ 213.769309][ T4766] ? do_raw_spin_unlock+0x11d/0x230
[ 213.774516][ T4766] kobject_add_internal+0x662/0xd00
[ 213.779730][ T4766] kobject_init_and_add+0x122/0x190
[ 213.785247][ T4766] ? lockdep_softirqs_off+0x420/0x420
[ 213.790642][ T4766] ? kobject_add+0x210/0x210
[ 213.795239][ T4766] ? __init_swait_queue_head+0xa5/0x150
[ 213.801071][ T4766] gfs2_sys_fs_add+0x234/0x480
[ 213.806129][ T4766] ? gfs2_recover_set+0x240/0x240
[ 213.811418][ T4766] ? snprintf+0xd7/0x120
[ 213.815836][ T4766] ? __free_pages+0x95/0x1a0
[ 213.820973][ T4766] ? vscnprintf+0x80/0x80
[ 213.825493][ T4766] gfs2_fill_super+0x128d/0x1f50
[ 213.830451][ T4766] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.835573][ T4766] ? preempt_count_add+0x8d/0x190
[ 213.840678][ T4766] ? sb_set_blocksize+0xa5/0xe0
[ 213.845622][ T4766] get_tree_bdev+0x3f1/0x610
[ 213.850198][ T4766] ? gfs2_reconfigure+0xcd0/0xcd0
[ 213.855416][ T4766] gfs2_get_tree+0x4d/0x1e0
[ 213.860046][ T4766] vfs_get_tree+0x88/0x270
[ 213.864855][ T4766] do_new_mount+0x24a/0xa40
[ 213.869699][ T4766] __se_sys_mount+0x2d6/0x3c0
[ 213.874618][ T4766] ? __x64_sys_mount+0xc0/0xc0
[ 213.879914][ T4766] ? lockdep_hardirqs_on+0x94/0x140
[ 213.885624][ T4766] ? __x64_sys_mount+0x1c/0xc0
[ 213.890504][ T4766] do_syscall_64+0x4c/0xa0
[ 213.895114][ T4766] ? clear_bhb_loop+0x30/0x80
[ 213.900179][ T4766] ? clear_bhb_loop+0x30/0x80
[ 213.904957][ T4766] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.910943][ T4766] RIP: 0033:0x7ff97fe9a38a
[ 213.915369][ T4766] 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
[ 213.937194][ T4766] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.946646][ T4766] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 213.955400][ T4766] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 213.963711][ T4766] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 213.971754][ T4766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 213.979924][ T4766] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 213.988986][ T4766]
[ 213.993181][ T4766] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.007543][ T4766] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 214.335183][ T4767] loop1: detected capacity change from 0 to 32768
[ 214.403174][ T4767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 214.410679][ T4767] CPU: 0 PID: 4767 Comm: syz.1.194 Not tainted 5.15.189-syzkaller #0
[ 214.418755][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 214.429414][ T4767] Call Trace:
[ 214.432698][ T4767]
[ 214.435628][ T4767] dump_stack_lvl+0x168/0x230
[ 214.440580][ T4767] ? show_regs_print_info+0x20/0x20
[ 214.445789][ T4767] ? load_image+0x3b0/0x3b0
[ 214.450506][ T4767] sysfs_create_dir_ns+0x252/0x280
[ 214.455851][ T4767] ? __lock_acquire+0x7c60/0x7c60
[ 214.461174][ T4767] ? sysfs_warn_dup+0xa0/0xa0
[ 214.465960][ T4767] ? do_raw_spin_unlock+0x11d/0x230
[ 214.471175][ T4767] kobject_add_internal+0x662/0xd00
[ 214.476410][ T4767] kobject_init_and_add+0x122/0x190
[ 214.481663][ T4767] ? lockdep_softirqs_off+0x420/0x420
[ 214.487477][ T4767] ? kobject_add+0x210/0x210
[ 214.492268][ T4767] ? __init_swait_queue_head+0xa5/0x150
[ 214.498216][ T4767] gfs2_sys_fs_add+0x234/0x480
[ 214.503220][ T4767] ? gfs2_recover_set+0x240/0x240
[ 214.508335][ T4767] ? snprintf+0xd7/0x120
[ 214.512572][ T4767] ? __free_pages+0x95/0x1a0
[ 214.517169][ T4767] ? vscnprintf+0x80/0x80
[ 214.522029][ T4767] gfs2_fill_super+0x128d/0x1f50
[ 214.527295][ T4767] ? gfs2_reconfigure+0xcd0/0xcd0
[ 214.532753][ T4767] ? preempt_count_add+0x8d/0x190
[ 214.538439][ T4767] ? sb_set_blocksize+0xa5/0xe0
[ 214.543485][ T4767] get_tree_bdev+0x3f1/0x610
[ 214.548645][ T4767] ? gfs2_reconfigure+0xcd0/0xcd0
[ 214.553781][ T4767] gfs2_get_tree+0x4d/0x1e0
[ 214.559284][ T4767] vfs_get_tree+0x88/0x270
[ 214.564684][ T4767] do_new_mount+0x24a/0xa40
[ 214.570313][ T4767] __se_sys_mount+0x2d6/0x3c0
[ 214.575293][ T4767] ? __x64_sys_mount+0xc0/0xc0
[ 214.580981][ T4767] ? lockdep_hardirqs_on+0x94/0x140
[ 214.587185][ T4767] ? __x64_sys_mount+0x1c/0xc0
[ 214.592285][ T4767] do_syscall_64+0x4c/0xa0
[ 214.596893][ T4767] ? clear_bhb_loop+0x30/0x80
[ 214.601692][ T4767] ? clear_bhb_loop+0x30/0x80
[ 214.607724][ T4767] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 214.614096][ T4767] RIP: 0033:0x7ff97fe9a38a
[ 214.618611][ T4767] 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
[ 214.639028][ T4767] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 214.649364][ T4767] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 214.657434][ T4767] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 214.665762][ T4767] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 214.674399][ T4767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 214.682981][ T4767] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 214.691915][ T4767]
[ 214.696230][ T4767] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.710202][ T4767] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.047152][ T4768] loop1: detected capacity change from 0 to 32768
[ 215.112830][ T4768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.121358][ T4768] CPU: 0 PID: 4768 Comm: syz.1.195 Not tainted 5.15.189-syzkaller #0
[ 215.129682][ T4768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 215.140221][ T4768] Call Trace:
[ 215.143692][ T4768]
[ 215.146904][ T4768] dump_stack_lvl+0x168/0x230
[ 215.151898][ T4768] ? show_regs_print_info+0x20/0x20
[ 215.157779][ T4768] ? load_image+0x3b0/0x3b0
[ 215.163212][ T4768] sysfs_create_dir_ns+0x252/0x280
[ 215.168853][ T4768] ? __lock_acquire+0x7c60/0x7c60
[ 215.173998][ T4768] ? sysfs_warn_dup+0xa0/0xa0
[ 215.179344][ T4768] ? do_raw_spin_unlock+0x11d/0x230
[ 215.185020][ T4768] kobject_add_internal+0x662/0xd00
[ 215.190904][ T4768] kobject_init_and_add+0x122/0x190
[ 215.196776][ T4768] ? lockdep_softirqs_off+0x420/0x420
[ 215.203143][ T4768] ? kobject_add+0x210/0x210
[ 215.208150][ T4768] ? __init_swait_queue_head+0xa5/0x150
[ 215.214129][ T4768] gfs2_sys_fs_add+0x234/0x480
[ 215.221287][ T4768] ? gfs2_recover_set+0x240/0x240
[ 215.227294][ T4768] ? snprintf+0xd7/0x120
[ 215.231816][ T4768] ? __free_pages+0x95/0x1a0
[ 215.237533][ T4768] ? vscnprintf+0x80/0x80
[ 215.242864][ T4768] gfs2_fill_super+0x128d/0x1f50
[ 215.247940][ T4768] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.253216][ T4768] ? preempt_count_add+0x8d/0x190
[ 215.258845][ T4768] ? sb_set_blocksize+0xa5/0xe0
[ 215.264360][ T4768] get_tree_bdev+0x3f1/0x610
[ 215.269459][ T4768] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.274525][ T4768] gfs2_get_tree+0x4d/0x1e0
[ 215.279028][ T4768] vfs_get_tree+0x88/0x270
[ 215.283442][ T4768] do_new_mount+0x24a/0xa40
[ 215.288231][ T4768] __se_sys_mount+0x2d6/0x3c0
[ 215.292924][ T4768] ? __x64_sys_mount+0xc0/0xc0
[ 215.297865][ T4768] ? lockdep_hardirqs_on+0x94/0x140
[ 215.303676][ T4768] ? __x64_sys_mount+0x1c/0xc0
[ 215.308882][ T4768] do_syscall_64+0x4c/0xa0
[ 215.313459][ T4768] ? clear_bhb_loop+0x30/0x80
[ 215.318234][ T4768] ? clear_bhb_loop+0x30/0x80
[ 215.323083][ T4768] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 215.329347][ T4768] RIP: 0033:0x7ff97fe9a38a
[ 215.333998][ T4768] 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
[ 215.354348][ T4768] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 215.362862][ T4768] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 215.371207][ T4768] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 215.379451][ T4768] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 215.387424][ T4768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 215.395876][ T4768] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 215.404213][ T4768]
[ 215.412405][ T4768] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 215.426068][ T4768] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.760718][ T4769] loop1: detected capacity change from 0 to 32768
[ 215.824685][ T4769] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.833256][ T4769] CPU: 0 PID: 4769 Comm: syz.1.196 Not tainted 5.15.189-syzkaller #0
[ 215.841617][ T4769] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 215.852132][ T4769] Call Trace:
[ 215.855597][ T4769]
[ 215.858979][ T4769] dump_stack_lvl+0x168/0x230
[ 215.863679][ T4769] ? show_regs_print_info+0x20/0x20
[ 215.868987][ T4769] ? load_image+0x3b0/0x3b0
[ 215.873700][ T4769] sysfs_create_dir_ns+0x252/0x280
[ 215.878914][ T4769] ? __lock_acquire+0x7c60/0x7c60
[ 215.884430][ T4769] ? sysfs_warn_dup+0xa0/0xa0
[ 215.889232][ T4769] ? do_raw_spin_unlock+0x11d/0x230
[ 215.894806][ T4769] kobject_add_internal+0x662/0xd00
[ 215.900125][ T4769] kobject_init_and_add+0x122/0x190
[ 215.905496][ T4769] ? lockdep_softirqs_off+0x420/0x420
[ 215.911333][ T4769] ? kobject_add+0x210/0x210
[ 215.916029][ T4769] ? __init_swait_queue_head+0xa5/0x150
[ 215.921684][ T4769] gfs2_sys_fs_add+0x234/0x480
[ 215.926726][ T4769] ? gfs2_recover_set+0x240/0x240
[ 215.931748][ T4769] ? snprintf+0xd7/0x120
[ 215.936109][ T4769] ? __free_pages+0x95/0x1a0
[ 215.940891][ T4769] ? vscnprintf+0x80/0x80
[ 215.945388][ T4769] gfs2_fill_super+0x128d/0x1f50
[ 215.950347][ T4769] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.955362][ T4769] ? preempt_count_add+0x8d/0x190
[ 215.960955][ T4769] ? sb_set_blocksize+0xa5/0xe0
[ 215.966261][ T4769] get_tree_bdev+0x3f1/0x610
[ 215.970880][ T4769] ? gfs2_reconfigure+0xcd0/0xcd0
[ 215.976208][ T4769] gfs2_get_tree+0x4d/0x1e0
[ 215.980818][ T4769] vfs_get_tree+0x88/0x270
[ 215.985574][ T4769] do_new_mount+0x24a/0xa40
[ 215.990563][ T4769] __se_sys_mount+0x2d6/0x3c0
[ 215.996123][ T4769] ? __x64_sys_mount+0xc0/0xc0
[ 216.001456][ T4769] ? lockdep_hardirqs_on+0x94/0x140
[ 216.006826][ T4769] ? __x64_sys_mount+0x1c/0xc0
[ 216.012039][ T4769] do_syscall_64+0x4c/0xa0
[ 216.016939][ T4769] ? clear_bhb_loop+0x30/0x80
[ 216.021802][ T4769] ? clear_bhb_loop+0x30/0x80
[ 216.026575][ T4769] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.032574][ T4769] RIP: 0033:0x7ff97fe9a38a
[ 216.038039][ T4769] 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
[ 216.058865][ T4769] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.067851][ T4769] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 216.076343][ T4769] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 216.084498][ T4769] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 216.093257][ T4769] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 216.101574][ T4769] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 216.110948][ T4769]
[ 216.116686][ T4769] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.130383][ T4769] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 10:12:34 executed programs: 182
[ 216.456165][ T4770] loop1: detected capacity change from 0 to 32768
[ 216.510951][ T4770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 216.518732][ T4770] CPU: 1 PID: 4770 Comm: syz.1.197 Not tainted 5.15.189-syzkaller #0
[ 216.526905][ T4770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 216.537153][ T4770] Call Trace:
[ 216.540596][ T4770]
[ 216.543559][ T4770] dump_stack_lvl+0x168/0x230
[ 216.548430][ T4770] ? show_regs_print_info+0x20/0x20
[ 216.553831][ T4770] ? load_image+0x3b0/0x3b0
[ 216.558488][ T4770] sysfs_create_dir_ns+0x252/0x280
[ 216.563793][ T4770] ? __lock_acquire+0x7c60/0x7c60
[ 216.569389][ T4770] ? sysfs_warn_dup+0xa0/0xa0
[ 216.574109][ T4770] ? do_raw_spin_unlock+0x11d/0x230
[ 216.579444][ T4770] kobject_add_internal+0x662/0xd00
[ 216.584770][ T4770] kobject_init_and_add+0x122/0x190
[ 216.590208][ T4770] ? lockdep_softirqs_off+0x420/0x420
[ 216.596064][ T4770] ? kobject_add+0x210/0x210
[ 216.600681][ T4770] ? __init_swait_queue_head+0xa5/0x150
[ 216.606617][ T4770] gfs2_sys_fs_add+0x234/0x480
[ 216.611492][ T4770] ? gfs2_recover_set+0x240/0x240
[ 216.616578][ T4770] ? snprintf+0xd7/0x120
[ 216.621218][ T4770] ? __free_pages+0x95/0x1a0
[ 216.626118][ T4770] ? vscnprintf+0x80/0x80
[ 216.630696][ T4770] gfs2_fill_super+0x128d/0x1f50
[ 216.635750][ T4770] ? gfs2_reconfigure+0xcd0/0xcd0
[ 216.641176][ T4770] ? preempt_count_add+0x8d/0x190
[ 216.646303][ T4770] ? sb_set_blocksize+0xa5/0xe0
[ 216.651386][ T4770] get_tree_bdev+0x3f1/0x610
[ 216.656113][ T4770] ? gfs2_reconfigure+0xcd0/0xcd0
[ 216.661222][ T4770] gfs2_get_tree+0x4d/0x1e0
[ 216.665727][ T4770] vfs_get_tree+0x88/0x270
[ 216.670139][ T4770] do_new_mount+0x24a/0xa40
[ 216.674814][ T4770] __se_sys_mount+0x2d6/0x3c0
[ 216.679494][ T4770] ? __x64_sys_mount+0xc0/0xc0
[ 216.684439][ T4770] ? lockdep_hardirqs_on+0x94/0x140
[ 216.689637][ T4770] ? __x64_sys_mount+0x1c/0xc0
[ 216.694481][ T4770] do_syscall_64+0x4c/0xa0
[ 216.699143][ T4770] ? clear_bhb_loop+0x30/0x80
[ 216.703809][ T4770] ? clear_bhb_loop+0x30/0x80
[ 216.708757][ T4770] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.714743][ T4770] RIP: 0033:0x7ff97fe9a38a
[ 216.719155][ T4770] 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
[ 216.739138][ T4770] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.747654][ T4770] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 216.755903][ T4770] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 216.764347][ T4770] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 216.772323][ T4770] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 216.780393][ T4770] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 216.788454][ T4770]
[ 216.793492][ T4770] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.807509][ T4770] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 217.168454][ T4771] loop1: detected capacity change from 0 to 32768
[ 217.214174][ T4771] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.222096][ T4771] CPU: 0 PID: 4771 Comm: syz.1.198 Not tainted 5.15.189-syzkaller #0
[ 217.230539][ T4771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 217.241272][ T4771] Call Trace:
[ 217.244954][ T4771]
[ 217.247942][ T4771] dump_stack_lvl+0x168/0x230
[ 217.252984][ T4771] ? show_regs_print_info+0x20/0x20
[ 217.258234][ T4771] ? load_image+0x3b0/0x3b0
[ 217.263302][ T4771] sysfs_create_dir_ns+0x252/0x280
[ 217.269324][ T4771] ? __lock_acquire+0x7c60/0x7c60
[ 217.274697][ T4771] ? sysfs_warn_dup+0xa0/0xa0
[ 217.279502][ T4771] ? do_raw_spin_unlock+0x11d/0x230
[ 217.285031][ T4771] kobject_add_internal+0x662/0xd00
[ 217.291056][ T4771] kobject_init_and_add+0x122/0x190
[ 217.296380][ T4771] ? lockdep_softirqs_off+0x420/0x420
[ 217.302285][ T4771] ? kobject_add+0x210/0x210
[ 217.307816][ T4771] ? __init_swait_queue_head+0xa5/0x150
[ 217.313693][ T4771] gfs2_sys_fs_add+0x234/0x480
[ 217.318618][ T4771] ? gfs2_recover_set+0x240/0x240
[ 217.323650][ T4771] ? snprintf+0xd7/0x120
[ 217.328156][ T4771] ? __free_pages+0x95/0x1a0
[ 217.333387][ T4771] ? vscnprintf+0x80/0x80
[ 217.337833][ T4771] gfs2_fill_super+0x128d/0x1f50
[ 217.342776][ T4771] ? gfs2_reconfigure+0xcd0/0xcd0
[ 217.347900][ T4771] ? preempt_count_add+0x8d/0x190
[ 217.353024][ T4771] ? sb_set_blocksize+0xa5/0xe0
[ 217.358074][ T4771] get_tree_bdev+0x3f1/0x610
[ 217.362841][ T4771] ? gfs2_reconfigure+0xcd0/0xcd0
[ 217.367982][ T4771] gfs2_get_tree+0x4d/0x1e0
[ 217.372756][ T4771] vfs_get_tree+0x88/0x270
[ 217.377408][ T4771] do_new_mount+0x24a/0xa40
[ 217.382439][ T4771] __se_sys_mount+0x2d6/0x3c0
[ 217.387561][ T4771] ? __x64_sys_mount+0xc0/0xc0
[ 217.392716][ T4771] ? lockdep_hardirqs_on+0x94/0x140
[ 217.398000][ T4771] ? __x64_sys_mount+0x1c/0xc0
[ 217.403368][ T4771] do_syscall_64+0x4c/0xa0
[ 217.407914][ T4771] ? clear_bhb_loop+0x30/0x80
[ 217.412810][ T4771] ? clear_bhb_loop+0x30/0x80
[ 217.417823][ T4771] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.423748][ T4771] RIP: 0033:0x7ff97fe9a38a
[ 217.428194][ T4771] 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
[ 217.448319][ T4771] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.457091][ T4771] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 217.465330][ T4771] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 217.473995][ T4771] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 217.482585][ T4771] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 217.490954][ T4771] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 217.499281][ T4771]
[ 217.503558][ T4771] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.517407][ T4771] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 217.847229][ T4772] loop1: detected capacity change from 0 to 32768
[ 217.895132][ T4772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.902969][ T4772] CPU: 0 PID: 4772 Comm: syz.1.199 Not tainted 5.15.189-syzkaller #0
[ 217.911375][ T4772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 217.924582][ T4772] Call Trace:
[ 217.927910][ T4772]
[ 217.930895][ T4772] dump_stack_lvl+0x168/0x230
[ 217.935864][ T4772] ? show_regs_print_info+0x20/0x20
[ 217.941088][ T4772] ? load_image+0x3b0/0x3b0
[ 217.945880][ T4772] sysfs_create_dir_ns+0x252/0x280
[ 217.951443][ T4772] ? __lock_acquire+0x7c60/0x7c60
[ 217.957009][ T4772] ? sysfs_warn_dup+0xa0/0xa0
[ 217.961924][ T4772] ? do_raw_spin_unlock+0x11d/0x230
[ 217.967241][ T4772] kobject_add_internal+0x662/0xd00
[ 217.972734][ T4772] kobject_init_and_add+0x122/0x190
[ 217.978121][ T4772] ? lockdep_softirqs_off+0x420/0x420
[ 217.983967][ T4772] ? kobject_add+0x210/0x210
[ 217.988735][ T4772] ? __init_swait_queue_head+0xa5/0x150
[ 217.994361][ T4772] gfs2_sys_fs_add+0x234/0x480
[ 217.999437][ T4772] ? gfs2_recover_set+0x240/0x240
[ 218.004732][ T4772] ? snprintf+0xd7/0x120
[ 218.008976][ T4772] ? __free_pages+0x95/0x1a0
[ 218.013575][ T4772] ? vscnprintf+0x80/0x80
[ 218.018016][ T4772] gfs2_fill_super+0x128d/0x1f50
[ 218.022953][ T4772] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.028142][ T4772] ? preempt_count_add+0x8d/0x190
[ 218.033396][ T4772] ? sb_set_blocksize+0xa5/0xe0
[ 218.038580][ T4772] get_tree_bdev+0x3f1/0x610
[ 218.043558][ T4772] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.048668][ T4772] gfs2_get_tree+0x4d/0x1e0
[ 218.053174][ T4772] vfs_get_tree+0x88/0x270
[ 218.057708][ T4772] do_new_mount+0x24a/0xa40
[ 218.062483][ T4772] __se_sys_mount+0x2d6/0x3c0
[ 218.067393][ T4772] ? __x64_sys_mount+0xc0/0xc0
[ 218.072166][ T4772] ? lockdep_hardirqs_on+0x94/0x140
[ 218.077577][ T4772] ? __x64_sys_mount+0x1c/0xc0
[ 218.082340][ T4772] do_syscall_64+0x4c/0xa0
[ 218.086748][ T4772] ? clear_bhb_loop+0x30/0x80
[ 218.091592][ T4772] ? clear_bhb_loop+0x30/0x80
[ 218.096268][ T4772] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.102201][ T4772] RIP: 0033:0x7ff97fe9a38a
[ 218.107048][ T4772] 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
[ 218.127600][ T4772] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.136595][ T4772] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 218.145375][ T4772] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 218.153345][ T4772] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 218.161578][ T4772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 218.169932][ T4772] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 218.178088][ T4772]
[ 218.181911][ T4772] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.196111][ T4772] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.503948][ T4773] loop1: detected capacity change from 0 to 32768
[ 218.519719][ T4773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.527409][ T4773] CPU: 0 PID: 4773 Comm: syz.1.200 Not tainted 5.15.189-syzkaller #0
[ 218.535489][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 218.546685][ T4773] Call Trace:
[ 218.550055][ T4773]
[ 218.552999][ T4773] dump_stack_lvl+0x168/0x230
[ 218.557707][ T4773] ? show_regs_print_info+0x20/0x20
[ 218.563321][ T4773] ? load_image+0x3b0/0x3b0
[ 218.568048][ T4773] sysfs_create_dir_ns+0x252/0x280
[ 218.573485][ T4773] ? __lock_acquire+0x7c60/0x7c60
[ 218.579090][ T4773] ? sysfs_warn_dup+0xa0/0xa0
[ 218.584207][ T4773] ? do_raw_spin_unlock+0x11d/0x230
[ 218.589441][ T4773] kobject_add_internal+0x662/0xd00
[ 218.594649][ T4773] kobject_init_and_add+0x122/0x190
[ 218.600023][ T4773] ? lockdep_softirqs_off+0x420/0x420
[ 218.605390][ T4773] ? kobject_add+0x210/0x210
[ 218.610318][ T4773] ? __init_swait_queue_head+0xa5/0x150
[ 218.616315][ T4773] gfs2_sys_fs_add+0x234/0x480
[ 218.621450][ T4773] ? gfs2_recover_set+0x240/0x240
[ 218.626765][ T4773] ? snprintf+0xd7/0x120
[ 218.631234][ T4773] ? __free_pages+0x95/0x1a0
[ 218.635835][ T4773] ? vscnprintf+0x80/0x80
[ 218.640327][ T4773] gfs2_fill_super+0x128d/0x1f50
[ 218.645750][ T4773] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.650953][ T4773] ? preempt_count_add+0x8d/0x190
[ 218.655978][ T4773] ? sb_set_blocksize+0xa5/0xe0
[ 218.660871][ T4773] get_tree_bdev+0x3f1/0x610
[ 218.665536][ T4773] ? gfs2_reconfigure+0xcd0/0xcd0
[ 218.670748][ T4773] gfs2_get_tree+0x4d/0x1e0
[ 218.675410][ T4773] vfs_get_tree+0x88/0x270
[ 218.685209][ T4773] do_new_mount+0x24a/0xa40
[ 218.689815][ T4773] __se_sys_mount+0x2d6/0x3c0
[ 218.694588][ T4773] ? __x64_sys_mount+0xc0/0xc0
[ 218.699400][ T4773] ? lockdep_hardirqs_on+0x94/0x140
[ 218.704812][ T4773] ? __x64_sys_mount+0x1c/0xc0
[ 218.710101][ T4773] do_syscall_64+0x4c/0xa0
[ 218.714808][ T4773] ? clear_bhb_loop+0x30/0x80
[ 218.719494][ T4773] ? clear_bhb_loop+0x30/0x80
[ 218.724448][ T4773] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.730457][ T4773] RIP: 0033:0x7ff97fe9a38a
[ 218.734986][ T4773] 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
[ 218.754968][ T4773] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.763490][ T4773] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 218.771804][ T4773] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 218.779875][ T4773] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 218.787961][ T4773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 218.796567][ T4773] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 218.805031][ T4773]
[ 218.809205][ T4773] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.823763][ T4773] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 219.180616][ T4774] loop1: detected capacity change from 0 to 32768
[ 219.231419][ T4774] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.240007][ T4774] CPU: 0 PID: 4774 Comm: syz.1.201 Not tainted 5.15.189-syzkaller #0
[ 219.248473][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 219.258906][ T4774] Call Trace:
[ 219.262372][ T4774]
[ 219.265751][ T4774] dump_stack_lvl+0x168/0x230
[ 219.270544][ T4774] ? show_regs_print_info+0x20/0x20
[ 219.275946][ T4774] ? load_image+0x3b0/0x3b0
[ 219.280657][ T4774] sysfs_create_dir_ns+0x252/0x280
[ 219.285793][ T4774] ? __lock_acquire+0x7c60/0x7c60
[ 219.290967][ T4774] ? sysfs_warn_dup+0xa0/0xa0
[ 219.296250][ T4774] ? do_raw_spin_unlock+0x11d/0x230
[ 219.301775][ T4774] kobject_add_internal+0x662/0xd00
[ 219.307315][ T4774] kobject_init_and_add+0x122/0x190
[ 219.312632][ T4774] ? lockdep_softirqs_off+0x420/0x420
[ 219.318059][ T4774] ? kobject_add+0x210/0x210
[ 219.322862][ T4774] ? __init_swait_queue_head+0xa5/0x150
[ 219.328616][ T4774] gfs2_sys_fs_add+0x234/0x480
[ 219.333401][ T4774] ? gfs2_recover_set+0x240/0x240
[ 219.338690][ T4774] ? snprintf+0xd7/0x120
[ 219.342935][ T4774] ? __free_pages+0x95/0x1a0
[ 219.347802][ T4774] ? vscnprintf+0x80/0x80
[ 219.352589][ T4774] gfs2_fill_super+0x128d/0x1f50
[ 219.357645][ T4774] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.362697][ T4774] ? preempt_count_add+0x8d/0x190
[ 219.367829][ T4774] ? sb_set_blocksize+0xa5/0xe0
[ 219.372678][ T4774] get_tree_bdev+0x3f1/0x610
[ 219.377775][ T4774] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.383613][ T4774] gfs2_get_tree+0x4d/0x1e0
[ 219.388561][ T4774] vfs_get_tree+0x88/0x270
[ 219.393168][ T4774] do_new_mount+0x24a/0xa40
[ 219.397819][ T4774] __se_sys_mount+0x2d6/0x3c0
[ 219.402721][ T4774] ? __x64_sys_mount+0xc0/0xc0
[ 219.407503][ T4774] ? lockdep_hardirqs_on+0x94/0x140
[ 219.412972][ T4774] ? __x64_sys_mount+0x1c/0xc0
[ 219.417895][ T4774] do_syscall_64+0x4c/0xa0
[ 219.422591][ T4774] ? clear_bhb_loop+0x30/0x80
[ 219.427284][ T4774] ? clear_bhb_loop+0x30/0x80
[ 219.432131][ T4774] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.438227][ T4774] RIP: 0033:0x7ff97fe9a38a
[ 219.442655][ T4774] 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
[ 219.462463][ T4774] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.470961][ T4774] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 219.478966][ T4774] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 219.487327][ T4774] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 219.495718][ T4774] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 219.503700][ T4774] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 219.511942][ T4774]
[ 219.516134][ T4774] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.530037][ T4774] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 219.851094][ T4775] loop1: detected capacity change from 0 to 32768
[ 219.913446][ T4775] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.921299][ T4775] CPU: 1 PID: 4775 Comm: syz.1.202 Not tainted 5.15.189-syzkaller #0
[ 219.929666][ T4775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 219.939830][ T4775] Call Trace:
[ 219.943134][ T4775]
[ 219.946089][ T4775] dump_stack_lvl+0x168/0x230
[ 219.950807][ T4775] ? show_regs_print_info+0x20/0x20
[ 219.956221][ T4775] ? load_image+0x3b0/0x3b0
[ 219.960750][ T4775] sysfs_create_dir_ns+0x252/0x280
[ 219.966119][ T4775] ? __lock_acquire+0x7c60/0x7c60
[ 219.971295][ T4775] ? sysfs_warn_dup+0xa0/0xa0
[ 219.976100][ T4775] ? do_raw_spin_unlock+0x11d/0x230
[ 219.981505][ T4775] kobject_add_internal+0x662/0xd00
[ 219.986927][ T4775] kobject_init_and_add+0x122/0x190
[ 219.992426][ T4775] ? lockdep_softirqs_off+0x420/0x420
[ 219.998104][ T4775] ? kobject_add+0x210/0x210
[ 220.002724][ T4775] ? __init_swait_queue_head+0xa5/0x150
[ 220.008792][ T4775] gfs2_sys_fs_add+0x234/0x480
[ 220.013802][ T4775] ? gfs2_recover_set+0x240/0x240
[ 220.018943][ T4775] ? snprintf+0xd7/0x120
[ 220.023204][ T4775] ? __free_pages+0x95/0x1a0
[ 220.027819][ T4775] ? vscnprintf+0x80/0x80
[ 220.032265][ T4775] gfs2_fill_super+0x128d/0x1f50
[ 220.037712][ T4775] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.043357][ T4775] ? preempt_count_add+0x8d/0x190
[ 220.048421][ T4775] ? sb_set_blocksize+0xa5/0xe0
[ 220.053358][ T4775] get_tree_bdev+0x3f1/0x610
[ 220.058151][ T4775] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.063480][ T4775] gfs2_get_tree+0x4d/0x1e0
[ 220.068290][ T4775] vfs_get_tree+0x88/0x270
[ 220.072716][ T4775] do_new_mount+0x24a/0xa40
[ 220.077538][ T4775] __se_sys_mount+0x2d6/0x3c0
[ 220.082320][ T4775] ? __x64_sys_mount+0xc0/0xc0
[ 220.087714][ T4775] ? lockdep_hardirqs_on+0x94/0x140
[ 220.092968][ T4775] ? __x64_sys_mount+0x1c/0xc0
[ 220.098009][ T4775] do_syscall_64+0x4c/0xa0
[ 220.102420][ T4775] ? clear_bhb_loop+0x30/0x80
[ 220.107112][ T4775] ? clear_bhb_loop+0x30/0x80
[ 220.112077][ T4775] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.118117][ T4775] RIP: 0033:0x7ff97fe9a38a
[ 220.123076][ T4775] 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
[ 220.142882][ T4775] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.151494][ T4775] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 220.159636][ T4775] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 220.167892][ T4775] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 220.176123][ T4775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.184089][ T4775] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.192145][ T4775]
[ 220.200651][ T4775] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.214979][ T4775] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.546611][ T4776] loop1: detected capacity change from 0 to 32768
[ 220.634537][ T4776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.642363][ T4776] CPU: 0 PID: 4776 Comm: syz.1.203 Not tainted 5.15.189-syzkaller #0
[ 220.650456][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 220.660885][ T4776] Call Trace:
[ 220.664190][ T4776]
[ 220.667495][ T4776] dump_stack_lvl+0x168/0x230
[ 220.672788][ T4776] ? show_regs_print_info+0x20/0x20
[ 220.678017][ T4776] ? load_image+0x3b0/0x3b0
[ 220.682570][ T4776] sysfs_create_dir_ns+0x252/0x280
[ 220.687819][ T4776] ? __lock_acquire+0x7c60/0x7c60
[ 220.693002][ T4776] ? sysfs_warn_dup+0xa0/0xa0
[ 220.697854][ T4776] ? do_raw_spin_unlock+0x11d/0x230
[ 220.703161][ T4776] kobject_add_internal+0x662/0xd00
[ 220.708462][ T4776] kobject_init_and_add+0x122/0x190
[ 220.713743][ T4776] ? lockdep_softirqs_off+0x420/0x420
[ 220.719713][ T4776] ? kobject_add+0x210/0x210
[ 220.724313][ T4776] ? __init_swait_queue_head+0xa5/0x150
[ 220.730155][ T4776] gfs2_sys_fs_add+0x234/0x480
[ 220.734935][ T4776] ? gfs2_recover_set+0x240/0x240
[ 220.740042][ T4776] ? snprintf+0xd7/0x120
[ 220.744286][ T4776] ? __free_pages+0x95/0x1a0
[ 220.749052][ T4776] ? vscnprintf+0x80/0x80
[ 220.753484][ T4776] gfs2_fill_super+0x128d/0x1f50
[ 220.758469][ T4776] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.763587][ T4776] ? preempt_count_add+0x8d/0x190
[ 220.768831][ T4776] ? sb_set_blocksize+0xa5/0xe0
[ 220.773882][ T4776] get_tree_bdev+0x3f1/0x610
[ 220.778653][ T4776] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.784176][ T4776] gfs2_get_tree+0x4d/0x1e0
[ 220.788871][ T4776] vfs_get_tree+0x88/0x270
[ 220.793687][ T4776] do_new_mount+0x24a/0xa40
[ 220.798342][ T4776] __se_sys_mount+0x2d6/0x3c0
[ 220.803031][ T4776] ? __x64_sys_mount+0xc0/0xc0
[ 220.807939][ T4776] ? lockdep_hardirqs_on+0x94/0x140
[ 220.813955][ T4776] ? __x64_sys_mount+0x1c/0xc0
[ 220.819006][ T4776] do_syscall_64+0x4c/0xa0
[ 220.823716][ T4776] ? clear_bhb_loop+0x30/0x80
[ 220.828600][ T4776] ? clear_bhb_loop+0x30/0x80
[ 220.833587][ T4776] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.839876][ T4776] RIP: 0033:0x7ff97fe9a38a
[ 220.844423][ T4776] 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
[ 220.865835][ T4776] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.875096][ T4776] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 220.883537][ T4776] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 220.891856][ T4776] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 220.900130][ T4776] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.908193][ T4776] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.916286][ T4776]
[ 220.924683][ T4776] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.938139][ T4776] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.271431][ T4778] loop1: detected capacity change from 0 to 32768
[ 221.345097][ T4778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.352994][ T4778] CPU: 0 PID: 4778 Comm: syz.1.204 Not tainted 5.15.189-syzkaller #0
[ 221.361267][ T4778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 221.371428][ T4778] Call Trace:
[ 221.374812][ T4778]
[ 221.377771][ T4778] dump_stack_lvl+0x168/0x230
[ 221.382568][ T4778] ? show_regs_print_info+0x20/0x20
[ 221.388001][ T4778] ? load_image+0x3b0/0x3b0
[ 221.392655][ T4778] sysfs_create_dir_ns+0x252/0x280
[ 221.398057][ T4778] ? __lock_acquire+0x7c60/0x7c60
[ 221.403289][ T4778] ? sysfs_warn_dup+0xa0/0xa0
[ 221.408171][ T4778] ? do_raw_spin_unlock+0x11d/0x230
[ 221.413634][ T4778] kobject_add_internal+0x662/0xd00
[ 221.419143][ T4778] kobject_init_and_add+0x122/0x190
[ 221.424355][ T4778] ? lockdep_softirqs_off+0x420/0x420
[ 221.430013][ T4778] ? kobject_add+0x210/0x210
[ 221.434979][ T4778] ? __init_swait_queue_head+0xa5/0x150
[ 221.440729][ T4778] gfs2_sys_fs_add+0x234/0x480
[ 221.446025][ T4778] ? gfs2_recover_set+0x240/0x240
[ 221.451170][ T4778] ? snprintf+0xd7/0x120
[ 221.455596][ T4778] ? __free_pages+0x95/0x1a0
[ 221.460707][ T4778] ? vscnprintf+0x80/0x80
[ 221.465058][ T4778] gfs2_fill_super+0x128d/0x1f50
[ 221.470144][ T4778] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.475472][ T4778] ? preempt_count_add+0x8d/0x190
[ 221.480664][ T4778] ? sb_set_blocksize+0xa5/0xe0
[ 221.485587][ T4778] get_tree_bdev+0x3f1/0x610
[ 221.490283][ T4778] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.495428][ T4778] gfs2_get_tree+0x4d/0x1e0
[ 221.500181][ T4778] vfs_get_tree+0x88/0x270
[ 221.504615][ T4778] do_new_mount+0x24a/0xa40
[ 221.509283][ T4778] __se_sys_mount+0x2d6/0x3c0
[ 221.514597][ T4778] ? __x64_sys_mount+0xc0/0xc0
[ 221.519399][ T4778] ? lockdep_hardirqs_on+0x94/0x140
[ 221.524735][ T4778] ? __x64_sys_mount+0x1c/0xc0
[ 221.529502][ T4778] do_syscall_64+0x4c/0xa0
[ 221.534108][ T4778] ? clear_bhb_loop+0x30/0x80
[ 221.538860][ T4778] ? clear_bhb_loop+0x30/0x80
[ 221.543767][ T4778] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.549878][ T4778] RIP: 0033:0x7ff97fe9a38a
[ 221.554473][ T4778] 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
[ 221.574840][ T4778] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.583411][ T4778] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 221.591703][ T4778] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 221.600800][ T4778] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 221.608949][ T4778] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.617573][ T4778] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.626158][ T4778]
[ 221.630088][ T4778] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.644216][ T4778] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 10:12:40 executed programs: 190
[ 221.976670][ T4780] loop1: detected capacity change from 0 to 32768
[ 221.998145][ T4780] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.008366][ T4780] CPU: 0 PID: 4780 Comm: syz.1.205 Not tainted 5.15.189-syzkaller #0
[ 222.017248][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 222.027506][ T4780] Call Trace:
[ 222.030996][ T4780]
[ 222.033956][ T4780] dump_stack_lvl+0x168/0x230
[ 222.038664][ T4780] ? show_regs_print_info+0x20/0x20
[ 222.043886][ T4780] ? load_image+0x3b0/0x3b0
[ 222.048793][ T4780] sysfs_create_dir_ns+0x252/0x280
[ 222.054456][ T4780] ? __lock_acquire+0x7c60/0x7c60
[ 222.059679][ T4780] ? sysfs_warn_dup+0xa0/0xa0
[ 222.065018][ T4780] ? do_raw_spin_unlock+0x11d/0x230
[ 222.070842][ T4780] kobject_add_internal+0x662/0xd00
[ 222.076056][ T4780] kobject_init_and_add+0x122/0x190
[ 222.082273][ T4780] ? lockdep_softirqs_off+0x420/0x420
[ 222.088487][ T4780] ? kobject_add+0x210/0x210
[ 222.094108][ T4780] ? __init_swait_queue_head+0xa5/0x150
[ 222.099885][ T4780] gfs2_sys_fs_add+0x234/0x480
[ 222.105367][ T4780] ? gfs2_recover_set+0x240/0x240
[ 222.111078][ T4780] ? snprintf+0xd7/0x120
[ 222.115511][ T4780] ? __free_pages+0x95/0x1a0
[ 222.120581][ T4780] ? vscnprintf+0x80/0x80
[ 222.125198][ T4780] gfs2_fill_super+0x128d/0x1f50
[ 222.130335][ T4780] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.136059][ T4780] ? preempt_count_add+0x8d/0x190
[ 222.141193][ T4780] ? sb_set_blocksize+0xa5/0xe0
[ 222.146054][ T4780] get_tree_bdev+0x3f1/0x610
[ 222.150734][ T4780] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.155865][ T4780] gfs2_get_tree+0x4d/0x1e0
[ 222.160677][ T4780] vfs_get_tree+0x88/0x270
[ 222.165279][ T4780] do_new_mount+0x24a/0xa40
[ 222.170115][ T4780] __se_sys_mount+0x2d6/0x3c0
[ 222.174833][ T4780] ? __x64_sys_mount+0xc0/0xc0
[ 222.179592][ T4780] ? lockdep_hardirqs_on+0x94/0x140
[ 222.185488][ T4780] ? __x64_sys_mount+0x1c/0xc0
[ 222.190686][ T4780] do_syscall_64+0x4c/0xa0
[ 222.195192][ T4780] ? clear_bhb_loop+0x30/0x80
[ 222.200092][ T4780] ? clear_bhb_loop+0x30/0x80
[ 222.202694][ T27] INFO: task syz.0.17:4489 blocked for more than 143 seconds.
[ 222.205257][ T4780] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.216577][ T27] Not tainted 5.15.189-syzkaller #0
[ 222.219394][ T4780] RIP: 0033:0x7ff97fe9a38a
[ 222.228104][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 222.229663][ T4780] 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
[ 222.239382][ T27] task:syz.0.17 state:D
[ 222.258660][ T4780] RSP: 002b:00007ffda63a8ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.258691][ T4780] RAX: ffffffffffffffda RBX: 00007ffda63a8b60 RCX: 00007ff97fe9a38a
[ 222.273937][ T27] stack:24208 pid: 4489 ppid: 4342 flags:0x00004004
[ 222.281145][ T4780] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffda63a8b20
[ 222.289694][ T27] Call Trace:
[ 222.297240][ T4780] RBP: 0000200000000400 R08: 00007ffda63a8b60 R09: 0000000000000000
[ 222.297262][ T4780] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.297272][ T4780] R13: 00007ffda63a8b20 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.297295][ T4780]
[ 222.302606][ T4780] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.315988][ T27]
[ 222.319431][ T4780] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.332120][ T27] __schedule+0x11b8/0x43b0
[ 222.360572][ T27] ? mark_lock+0x94/0x320
[ 222.365798][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 222.372159][ T27] ? lock_chain_count+0x20/0x20
[ 222.377302][ T27] ? release_firmware_map_entry+0x190/0x190
[ 222.383672][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 222.389390][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 222.395777][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 222.401297][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 222.407464][ T27] schedule+0x11b/0x1e0
[ 222.411641][ T27] bit_wait+0xd/0xc0
[ 222.415562][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 222.421051][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 222.427874][ T27] ? __wait_on_bit+0x170/0x170
[ 222.434234][ T27] ? bit_waitqueue+0x30/0x30
[ 222.439325][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 222.444404][ T27] gfs2_statfs_init+0xf9/0x490
[ 222.449204][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 222.454370][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 222.460616][ T27] ? init_per_node+0x2be/0x3d0
[ 222.465936][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 222.471732][ T27] ? init_inodes+0x26a/0x320
[ 222.477735][ T27] gfs2_fill_super+0x1749/0x1f50
[ 222.482920][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.488161][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 222.493671][ T27] ? preempt_count_add+0x8d/0x190
[ 222.499370][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 222.505009][ T27] get_tree_bdev+0x3f1/0x610
[ 222.509979][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.515056][ T27] gfs2_get_tree+0x4d/0x1e0
[ 222.520197][ T27] vfs_get_tree+0x88/0x270
[ 222.525542][ T27] do_new_mount+0x24a/0xa40
[ 222.530578][ T27] __se_sys_mount+0x2d6/0x3c0
[ 222.535952][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 222.541295][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 222.547952][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 222.553696][ T27] do_syscall_64+0x4c/0xa0
[ 222.558808][ T27] ? clear_bhb_loop+0x30/0x80
[ 222.563741][ T27] ? clear_bhb_loop+0x30/0x80
[ 222.568573][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.575900][ T27] RIP: 0033:0x7fe6b75ff38a
[ 222.580654][ T27] RSP: 002b:00007fff7af14668 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.589901][ T27] RAX: ffffffffffffffda RBX: 00007fff7af146f0 RCX: 00007fe6b75ff38a
[ 222.599097][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff7af146b0
[ 222.607776][ T27] RBP: 0000200000000400 R08: 00007fff7af146f0 R09: 0000000000000000
[ 222.616189][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.625092][ T27] R13: 00007fff7af146b0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.633817][ T27]
[ 222.637091][ T27]
[ 222.637091][ T27] Showing all locks held in the system:
[ 222.645806][ T27] 1 lock held by khungtaskd/27:
[ 222.651259][ T27] #0: ffffffff8c11c360 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 222.661690][ T27] 2 locks held by kworker/u4:2/154:
[ 222.667637][ T27] #0: ffff8880b903a318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 222.678061][ T27] #1: ffff8880b9027848 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x4d6/0x810
[ 222.690263][ T27] 2 locks held by getty/3947:
[ 222.695577][ T27] #0: ffff88814c8f2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 222.705819][ T27] #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 222.716331][ T27] 1 lock held by syz.0.17/4489:
[ 222.721287][ T27] #0: ffff88807840e0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 222.732295][ T27] 1 lock held by syz.1.205/4780:
[ 222.737268][ T27] #0: ffff888147859468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[ 222.746866][ T27]
[ 222.749203][ T27] =============================================
[ 222.749203][ T27]
[ 222.757832][ T27] NMI backtrace for cpu 0
[ 222.762349][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 222.770527][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 222.781444][ T27] Call Trace:
[ 222.785302][ T27]
[ 222.788435][ T27] dump_stack_lvl+0x168/0x230
[ 222.793396][ T27] ? show_regs_print_info+0x20/0x20
[ 222.798907][ T27] ? load_image+0x3b0/0x3b0
[ 222.803532][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 222.809045][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 222.814169][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 222.820347][ T27] ? _printk+0xcc/0x110
[ 222.824937][ T27] ? load_image+0x3b0/0x3b0
[ 222.829696][ T27] ? load_image+0x3b0/0x3b0
[ 222.834396][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 222.840867][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 222.846865][ T27] watchdog+0xe0f/0xe50
[ 222.851303][ T27] kthread+0x436/0x520
[ 222.855636][ T27] ? hungtask_pm_notify+0x40/0x40
[ 222.860892][ T27] ? kthread_blkcg+0xd0/0xd0
[ 222.865925][ T27] ret_from_fork+0x1f/0x30
[ 222.871115][ T27]
[ 222.875232][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 222.881046][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
[ 222.882435][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 222.897335][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 222.905907][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 222.916264][ T27] Call Trace:
[ 222.919721][ T27]
[ 222.922837][ T27] dump_stack_lvl+0x168/0x230
[ 222.927960][ T27] ? show_regs_print_info+0x20/0x20
[ 222.936184][ T27] ? load_image+0x3b0/0x3b0
[ 222.940994][ T27] panic+0x2c9/0x7f0
[ 222.945230][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 222.950898][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 222.955546][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 222.962295][ T27] watchdog+0xe4e/0xe50
[ 222.966548][ T27] kthread+0x436/0x520
[ 222.970615][ T27] ? hungtask_pm_notify+0x40/0x40
[ 222.975639][ T27] ? kthread_blkcg+0xd0/0xd0
[ 222.980500][ T27] ret_from_fork+0x1f/0x30
[ 222.985575][ T27]
[ 222.989441][ T27] Kernel Offset: disabled
[ 222.994758][ T27] Rebooting in 86400 seconds..