253.925616][ T6245] ? lockdep_hardirqs_on+0x94/0x140
[ 253.930848][ T6245] ? __x64_sys_mount+0x1c/0xc0
[ 253.935820][ T6245] do_syscall_64+0x4c/0xa0
[ 253.940268][ T6245] ? clear_bhb_loop+0x30/0x80
[ 253.944968][ T6245] ? clear_bhb_loop+0x30/0x80
[ 253.950031][ T6245] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.956152][ T6245] RIP: 0033:0x7f3360a9890a
[ 253.960600][ T6245] 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
[ 253.980520][ T6245] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.989073][ T6245] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 253.997079][ T6245] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 254.005191][ T6245] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 254.013196][ T6245] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.021197][ T6245] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 254.029215][ T6245]
[ 254.032416][ T6245] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.045614][ T6245] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.123506][ T6224] loop4: detected capacity change from 0 to 32768
[ 254.543300][ T6253] loop3: detected capacity change from 0 to 32768
[ 254.644212][ T6253] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.652121][ T6253] CPU: 1 PID: 6253 Comm: syz.3.346 Not tainted 5.15.185-syzkaller #0
[ 254.660226][ T6253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 254.670677][ T6253] Call Trace:
[ 254.673986][ T6253]
[ 254.677025][ T6253] dump_stack_lvl+0x168/0x230
[ 254.681737][ T6253] ? show_regs_print_info+0x20/0x20
[ 254.686967][ T6253] ? load_image+0x3b0/0x3b0
[ 254.691606][ T6253] sysfs_create_dir_ns+0x252/0x280
[ 254.696765][ T6253] ? __lock_acquire+0x7c60/0x7c60
[ 254.701997][ T6253] ? sysfs_warn_dup+0xa0/0xa0
[ 254.706699][ T6253] ? do_raw_spin_unlock+0x11d/0x230
[ 254.711924][ T6253] kobject_add_internal+0x662/0xd00
[ 254.717252][ T6253] kobject_init_and_add+0x122/0x190
[ 254.722567][ T6253] ? lockdep_softirqs_off+0x420/0x420
[ 254.727962][ T6253] ? kobject_add+0x210/0x210
[ 254.732577][ T6253] ? __init_swait_queue_head+0xa5/0x150
[ 254.738155][ T6253] gfs2_sys_fs_add+0x234/0x480
[ 254.742959][ T6253] ? gfs2_recover_set+0x240/0x240
[ 254.748034][ T6253] ? snprintf+0xd7/0x120
[ 254.752305][ T6253] ? __free_pages+0x95/0x1a0
[ 254.756936][ T6253] ? vscnprintf+0x80/0x80
[ 254.761311][ T6253] gfs2_fill_super+0x128d/0x1f50
[ 254.766298][ T6253] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.771452][ T6253] ? preempt_count_add+0x8d/0x190
[ 254.776625][ T6253] ? sb_set_blocksize+0xa5/0xe0
[ 254.781523][ T6253] get_tree_bdev+0x3f1/0x610
[ 254.786265][ T6253] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.791541][ T6253] gfs2_get_tree+0x4d/0x1e0
[ 254.796087][ T6253] vfs_get_tree+0x88/0x270
[ 254.800545][ T6253] do_new_mount+0x24a/0xa40
[ 254.805191][ T6253] __se_sys_mount+0x2d6/0x3c0
[ 254.810017][ T6253] ? __x64_sys_mount+0xc0/0xc0
[ 254.814823][ T6253] ? lockdep_hardirqs_on+0x94/0x140
[ 254.820055][ T6253] ? __x64_sys_mount+0x1c/0xc0
[ 254.824859][ T6253] do_syscall_64+0x4c/0xa0
[ 254.829304][ T6253] ? clear_bhb_loop+0x30/0x80
[ 254.834245][ T6253] ? clear_bhb_loop+0x30/0x80
[ 254.838969][ T6253] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.844899][ T6253] RIP: 0033:0x7f2939f6690a
[ 254.849344][ T6253] 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
[ 254.869188][ T6253] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.877747][ T6253] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 254.886017][ T6253] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 254.894134][ T6253] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 254.902140][ T6253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.910316][ T6253] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 254.918343][ T6253]
[ 254.922941][ T6253] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.936339][ T6253] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.755837][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.762340][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.990137][ T6268] loop3: detected capacity change from 0 to 32768
[ 256.128389][ T6268] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.136136][ T6268] CPU: 1 PID: 6268 Comm: syz.3.351 Not tainted 5.15.185-syzkaller #0
[ 256.144235][ T6268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 256.154329][ T6268] Call Trace:
[ 256.157632][ T6268]
[ 256.160577][ T6268] dump_stack_lvl+0x168/0x230
[ 256.165375][ T6268] ? show_regs_print_info+0x20/0x20
[ 256.170595][ T6268] ? load_image+0x3b0/0x3b0
[ 256.175133][ T6268] sysfs_create_dir_ns+0x252/0x280
[ 256.180265][ T6268] ? __lock_acquire+0x7c60/0x7c60
[ 256.185308][ T6268] ? sysfs_warn_dup+0xa0/0xa0
[ 256.190016][ T6268] ? do_raw_spin_unlock+0x11d/0x230
[ 256.195243][ T6268] kobject_add_internal+0x662/0xd00
[ 256.200482][ T6268] kobject_init_and_add+0x122/0x190
[ 256.205719][ T6268] ? lockdep_softirqs_off+0x420/0x420
[ 256.211147][ T6268] ? kobject_add+0x210/0x210
[ 256.215773][ T6268] ? __init_swait_queue_head+0xa5/0x150
[ 256.221358][ T6268] gfs2_sys_fs_add+0x234/0x480
[ 256.226163][ T6268] ? gfs2_recover_set+0x240/0x240
[ 256.231225][ T6268] ? snprintf+0xd7/0x120
[ 256.235495][ T6268] ? __free_pages+0x95/0x1a0
[ 256.240127][ T6268] ? vscnprintf+0x80/0x80
[ 256.244497][ T6268] gfs2_fill_super+0x128d/0x1f50
[ 256.249492][ T6268] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.254731][ T6268] ? preempt_count_add+0x8d/0x190
[ 256.259807][ T6268] ? sb_set_blocksize+0xa5/0xe0
[ 256.264696][ T6268] get_tree_bdev+0x3f1/0x610
[ 256.269329][ T6268] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.274405][ T6268] gfs2_get_tree+0x4d/0x1e0
[ 256.279043][ T6268] vfs_get_tree+0x88/0x270
[ 256.283511][ T6268] do_new_mount+0x24a/0xa40
[ 256.288147][ T6268] __se_sys_mount+0x2d6/0x3c0
[ 256.293012][ T6268] ? __x64_sys_mount+0xc0/0xc0
[ 256.297809][ T6268] ? lockdep_hardirqs_on+0x94/0x140
[ 256.303221][ T6268] ? __x64_sys_mount+0x1c/0xc0
[ 256.308041][ T6268] do_syscall_64+0x4c/0xa0
[ 256.312479][ T6268] ? clear_bhb_loop+0x30/0x80
[ 256.317269][ T6268] ? clear_bhb_loop+0x30/0x80
[ 256.321981][ T6268] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.327904][ T6268] RIP: 0033:0x7f2939f6690a
[ 256.332475][ T6268] 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
[ 256.352129][ T6268] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.360835][ T6268] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 256.368852][ T6268] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 256.375296][ T6271] loop5: detected capacity change from 0 to 32768
[ 256.376862][ T6268] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 256.391531][ T6268] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.399542][ T6268] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 256.407568][ T6268]
[ 256.412027][ T6268] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.425392][ T6268] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.507990][ T6271] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.515559][ T6271] CPU: 0 PID: 6271 Comm: syz.5.353 Not tainted 5.15.185-syzkaller #0
[ 256.523667][ T6271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 256.533756][ T6271] Call Trace:
[ 256.537065][ T6271]
[ 256.540023][ T6271] dump_stack_lvl+0x168/0x230
[ 256.544741][ T6271] ? show_regs_print_info+0x20/0x20
[ 256.550064][ T6271] ? load_image+0x3b0/0x3b0
[ 256.554618][ T6271] sysfs_create_dir_ns+0x252/0x280
[ 256.559865][ T6271] ? __lock_acquire+0x7c60/0x7c60
[ 256.564931][ T6271] ? sysfs_warn_dup+0xa0/0xa0
[ 256.569737][ T6271] ? do_raw_spin_unlock+0x11d/0x230
[ 256.575160][ T6271] kobject_add_internal+0x662/0xd00
[ 256.580406][ T6271] kobject_init_and_add+0x122/0x190
[ 256.585908][ T6271] ? lockdep_softirqs_off+0x420/0x420
[ 256.591320][ T6271] ? kobject_add+0x210/0x210
[ 256.596041][ T6271] ? __init_swait_queue_head+0xa5/0x150
[ 256.601719][ T6271] gfs2_sys_fs_add+0x234/0x480
[ 256.606528][ T6271] ? gfs2_recover_set+0x240/0x240
[ 256.611585][ T6271] ? snprintf+0xd7/0x120
[ 256.615866][ T6271] ? __free_pages+0x95/0x1a0
[ 256.620680][ T6271] ? vscnprintf+0x80/0x80
[ 256.625053][ T6271] gfs2_fill_super+0x128d/0x1f50
[ 256.630213][ T6271] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.635284][ T6271] ? preempt_count_add+0x8d/0x190
[ 256.640538][ T6271] ? sb_set_blocksize+0xa5/0xe0
[ 256.645420][ T6271] get_tree_bdev+0x3f1/0x610
[ 256.650134][ T6271] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.655280][ T6271] gfs2_get_tree+0x4d/0x1e0
[ 256.659817][ T6271] vfs_get_tree+0x88/0x270
[ 256.664271][ T6271] do_new_mount+0x24a/0xa40
[ 256.668833][ T6271] __se_sys_mount+0x2d6/0x3c0
[ 256.673547][ T6271] ? __x64_sys_mount+0xc0/0xc0
[ 256.678350][ T6271] ? lockdep_hardirqs_on+0x94/0x140
[ 256.683604][ T6271] ? __x64_sys_mount+0x1c/0xc0
[ 256.688406][ T6271] do_syscall_64+0x4c/0xa0
[ 256.692855][ T6271] ? clear_bhb_loop+0x30/0x80
[ 256.697564][ T6271] ? clear_bhb_loop+0x30/0x80
[ 256.702385][ T6271] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.708374][ T6271] RIP: 0033:0x7f4ee4b1c90a
[ 256.712831][ T6271] 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
[ 256.732474][ T6271] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.741050][ T6271] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 256.749053][ T6271] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 256.757057][ T6271] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 256.765150][ T6271] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.773196][ T6271] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 256.781213][ T6271]
[ 256.785004][ T6271] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.799161][ T6271] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/06/24 21:49:57 executed programs: 349
[ 257.465226][ T6284] loop1: detected capacity change from 0 to 32768
[ 257.566400][ T6257] loop4: detected capacity change from 0 to 32768
[ 257.680912][ T6287] loop5: detected capacity change from 0 to 32768
[ 257.685886][ T6284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.695008][ T6284] CPU: 1 PID: 6284 Comm: syz.1.356 Not tainted 5.15.185-syzkaller #0
[ 257.703201][ T6284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 257.713369][ T6284] Call Trace:
[ 257.716686][ T6284]
[ 257.719650][ T6284] dump_stack_lvl+0x168/0x230
[ 257.724367][ T6284] ? show_regs_print_info+0x20/0x20
[ 257.729699][ T6284] ? load_image+0x3b0/0x3b0
[ 257.734250][ T6284] sysfs_create_dir_ns+0x252/0x280
[ 257.739400][ T6284] ? __lock_acquire+0x7c60/0x7c60
[ 257.744460][ T6284] ? sysfs_warn_dup+0xa0/0xa0
[ 257.749258][ T6284] ? do_raw_spin_unlock+0x11d/0x230
[ 257.754486][ T6284] kobject_add_internal+0x662/0xd00
[ 257.759819][ T6284] kobject_init_and_add+0x122/0x190
[ 257.765077][ T6284] ? lockdep_softirqs_off+0x420/0x420
[ 257.770536][ T6284] ? kobject_add+0x210/0x210
[ 257.775166][ T6284] ? __init_swait_queue_head+0xa5/0x150
[ 257.780846][ T6284] gfs2_sys_fs_add+0x234/0x480
[ 257.785764][ T6284] ? gfs2_recover_set+0x240/0x240
[ 257.790835][ T6284] ? snprintf+0xd7/0x120
[ 257.795127][ T6284] ? __free_pages+0x95/0x1a0
[ 257.799765][ T6284] ? vscnprintf+0x80/0x80
[ 257.804275][ T6284] gfs2_fill_super+0x128d/0x1f50
[ 257.809274][ T6284] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.814339][ T6284] ? preempt_count_add+0x8d/0x190
[ 257.819422][ T6284] ? sb_set_blocksize+0xa5/0xe0
[ 257.824400][ T6284] get_tree_bdev+0x3f1/0x610
[ 257.829034][ T6284] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.834288][ T6284] gfs2_get_tree+0x4d/0x1e0
[ 257.838885][ T6284] vfs_get_tree+0x88/0x270
[ 257.843515][ T6284] do_new_mount+0x24a/0xa40
[ 257.848079][ T6284] __se_sys_mount+0x2d6/0x3c0
[ 257.852808][ T6284] ? __x64_sys_mount+0xc0/0xc0
[ 257.857788][ T6284] ? lockdep_hardirqs_on+0x94/0x140
[ 257.863026][ T6284] ? __x64_sys_mount+0x1c/0xc0
[ 257.867945][ T6284] do_syscall_64+0x4c/0xa0
[ 257.872507][ T6284] ? clear_bhb_loop+0x30/0x80
[ 257.877364][ T6284] ? clear_bhb_loop+0x30/0x80
[ 257.882195][ T6284] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.888143][ T6284] RIP: 0033:0x7f135335e90a
[ 257.892593][ T6284] 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
[ 257.912236][ T6284] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.920732][ T6284] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 257.928744][ T6284] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 257.936849][ T6284] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 257.944851][ T6284] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.952938][ T6284] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 257.960955][ T6284]
[ 257.965447][ T6284] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.979776][ T6284] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.010920][ T6287] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.019178][ T6287] CPU: 0 PID: 6287 Comm: syz.5.357 Not tainted 5.15.185-syzkaller #0
[ 258.027295][ T6287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 258.037551][ T6287] Call Trace:
[ 258.040851][ T6287]
[ 258.043800][ T6287] dump_stack_lvl+0x168/0x230
[ 258.048508][ T6287] ? show_regs_print_info+0x20/0x20
[ 258.053741][ T6287] ? load_image+0x3b0/0x3b0
[ 258.058406][ T6287] sysfs_create_dir_ns+0x252/0x280
[ 258.063661][ T6287] ? __lock_acquire+0x7c60/0x7c60
[ 258.068727][ T6287] ? sysfs_warn_dup+0xa0/0xa0
[ 258.073442][ T6287] ? do_raw_spin_unlock+0x11d/0x230
[ 258.078855][ T6287] kobject_add_internal+0x662/0xd00
[ 258.084190][ T6287] kobject_init_and_add+0x122/0x190
[ 258.089451][ T6287] ? lockdep_softirqs_off+0x420/0x420
[ 258.094861][ T6287] ? kobject_add+0x210/0x210
[ 258.099498][ T6287] ? __init_swait_queue_head+0xa5/0x150
[ 258.105077][ T6287] gfs2_sys_fs_add+0x234/0x480
[ 258.109881][ T6287] ? gfs2_recover_set+0x240/0x240
[ 258.115055][ T6287] ? snprintf+0xd7/0x120
[ 258.119331][ T6287] ? __free_pages+0x95/0x1a0
[ 258.124044][ T6287] ? vscnprintf+0x80/0x80
[ 258.128419][ T6287] gfs2_fill_super+0x128d/0x1f50
[ 258.133403][ T6287] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.138465][ T6287] ? preempt_count_add+0x8d/0x190
[ 258.143568][ T6287] ? sb_set_blocksize+0xa5/0xe0
[ 258.148453][ T6287] get_tree_bdev+0x3f1/0x610
[ 258.153079][ T6287] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.158141][ T6287] gfs2_get_tree+0x4d/0x1e0
[ 258.162679][ T6287] vfs_get_tree+0x88/0x270
[ 258.167119][ T6287] do_new_mount+0x24a/0xa40
[ 258.171658][ T6287] __se_sys_mount+0x2d6/0x3c0
[ 258.176365][ T6287] ? __x64_sys_mount+0xc0/0xc0
[ 258.181256][ T6287] ? lockdep_hardirqs_on+0x94/0x140
[ 258.186482][ T6287] ? __x64_sys_mount+0x1c/0xc0
[ 258.191284][ T6287] do_syscall_64+0x4c/0xa0
[ 258.195921][ T6287] ? clear_bhb_loop+0x30/0x80
[ 258.200625][ T6287] ? clear_bhb_loop+0x30/0x80
[ 258.205344][ T6287] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.211272][ T6287] RIP: 0033:0x7f4ee4b1c90a
[ 258.215731][ T6287] 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
[ 258.235364][ T6287] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.244082][ T6287] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 258.252096][ T6287] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 258.260398][ T6287] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 258.268403][ T6287] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.276599][ T6287] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 258.284623][ T6287]
[ 258.288773][ T6287] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.302779][ T6287] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.723237][ T6291] loop1: detected capacity change from 0 to 32768
[ 258.817379][ T6291] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.825137][ T6291] CPU: 1 PID: 6291 Comm: syz.1.358 Not tainted 5.15.185-syzkaller #0
[ 258.833367][ T6291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 258.843543][ T6291] Call Trace:
[ 258.846856][ T6291]
[ 258.849812][ T6291] dump_stack_lvl+0x168/0x230
[ 258.854521][ T6291] ? show_regs_print_info+0x20/0x20
[ 258.859743][ T6291] ? load_image+0x3b0/0x3b0
[ 258.864283][ T6291] sysfs_create_dir_ns+0x252/0x280
[ 258.869428][ T6291] ? __lock_acquire+0x7c60/0x7c60
[ 258.874476][ T6291] ? sysfs_warn_dup+0xa0/0xa0
[ 258.879180][ T6291] ? do_raw_spin_unlock+0x11d/0x230
[ 258.884417][ T6291] kobject_add_internal+0x662/0xd00
[ 258.889761][ T6291] kobject_init_and_add+0x122/0x190
[ 258.895171][ T6291] ? lockdep_softirqs_off+0x420/0x420
[ 258.900591][ T6291] ? kobject_add+0x210/0x210
[ 258.905243][ T6291] ? __init_swait_queue_head+0xa5/0x150
[ 258.910834][ T6291] gfs2_sys_fs_add+0x234/0x480
[ 258.915843][ T6291] ? gfs2_recover_set+0x240/0x240
[ 258.920903][ T6291] ? snprintf+0xd7/0x120
[ 258.925180][ T6291] ? __free_pages+0x95/0x1a0
[ 258.929806][ T6291] ? vscnprintf+0x80/0x80
[ 258.934175][ T6291] gfs2_fill_super+0x128d/0x1f50
[ 258.939163][ T6291] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.944317][ T6291] ? preempt_count_add+0x8d/0x190
[ 258.949404][ T6291] ? sb_set_blocksize+0xa5/0xe0
[ 258.954300][ T6291] get_tree_bdev+0x3f1/0x610
[ 258.958940][ T6291] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.964005][ T6291] gfs2_get_tree+0x4d/0x1e0
[ 258.968545][ T6291] vfs_get_tree+0x88/0x270
[ 258.972999][ T6291] do_new_mount+0x24a/0xa40
[ 258.977640][ T6291] __se_sys_mount+0x2d6/0x3c0
[ 258.982531][ T6291] ? __x64_sys_mount+0xc0/0xc0
[ 258.987513][ T6291] ? lockdep_hardirqs_on+0x94/0x140
[ 258.992750][ T6291] ? __x64_sys_mount+0x1c/0xc0
[ 258.997549][ T6291] do_syscall_64+0x4c/0xa0
[ 259.002000][ T6291] ? clear_bhb_loop+0x30/0x80
[ 259.006698][ T6291] ? clear_bhb_loop+0x30/0x80
[ 259.011399][ T6291] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.017376][ T6291] RIP: 0033:0x7f135335e90a
[ 259.021914][ T6291] 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
[ 259.041949][ T6291] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.050594][ T6291] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 259.058678][ T6291] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 259.066673][ T6291] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 259.074707][ T6291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.082803][ T6291] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 259.091377][ T6291]
[ 259.096297][ T6291] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.109951][ T6291] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.517270][ T6298] loop5: detected capacity change from 0 to 32768
[ 259.650414][ T6280] loop3: detected capacity change from 0 to 32768
[ 259.708302][ T6298] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.715859][ T6298] CPU: 1 PID: 6298 Comm: syz.5.361 Not tainted 5.15.185-syzkaller #0
[ 259.724053][ T6298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 259.734223][ T6298] Call Trace:
[ 259.737616][ T6298]
[ 259.740570][ T6298] dump_stack_lvl+0x168/0x230
[ 259.745285][ T6298] ? show_regs_print_info+0x20/0x20
[ 259.750515][ T6298] ? load_image+0x3b0/0x3b0
[ 259.755182][ T6298] sysfs_create_dir_ns+0x252/0x280
[ 259.760323][ T6298] ? __lock_acquire+0x7c60/0x7c60
[ 259.765379][ T6298] ? sysfs_warn_dup+0xa0/0xa0
[ 259.770090][ T6298] ? do_raw_spin_unlock+0x11d/0x230
[ 259.772142][ T6280] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.775321][ T6298] kobject_add_internal+0x662/0xd00
[ 259.775356][ T6298] kobject_init_and_add+0x122/0x190
[ 259.775378][ T6298] ? lockdep_softirqs_off+0x420/0x420
[ 259.775406][ T6298] ? kobject_add+0x210/0x210
[ 259.775434][ T6298] ? __init_swait_queue_head+0xa5/0x150
[ 259.775464][ T6298] gfs2_sys_fs_add+0x234/0x480
[ 259.775491][ T6298] ? gfs2_recover_set+0x240/0x240
[ 259.775513][ T6298] ? snprintf+0xd7/0x120
[ 259.775532][ T6298] ? __free_pages+0x95/0x1a0
[ 259.775558][ T6298] ? vscnprintf+0x80/0x80
[ 259.775590][ T6298] gfs2_fill_super+0x128d/0x1f50
[ 259.837110][ T6298] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.842170][ T6298] ? preempt_count_add+0x8d/0x190
[ 259.847232][ T6298] ? sb_set_blocksize+0xa5/0xe0
[ 259.852190][ T6298] get_tree_bdev+0x3f1/0x610
[ 259.856896][ T6298] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.861959][ T6298] gfs2_get_tree+0x4d/0x1e0
[ 259.866504][ T6298] vfs_get_tree+0x88/0x270
[ 259.870956][ T6298] do_new_mount+0x24a/0xa40
[ 259.875672][ T6298] __se_sys_mount+0x2d6/0x3c0
[ 259.880393][ T6298] ? __x64_sys_mount+0xc0/0xc0
[ 259.885208][ T6298] ? lockdep_hardirqs_on+0x94/0x140
[ 259.890447][ T6298] ? __x64_sys_mount+0x1c/0xc0
[ 259.895262][ T6298] do_syscall_64+0x4c/0xa0
[ 259.899708][ T6298] ? clear_bhb_loop+0x30/0x80
[ 259.904404][ T6298] ? clear_bhb_loop+0x30/0x80
[ 259.909119][ T6298] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.915254][ T6298] RIP: 0033:0x7f4ee4b1c90a
[ 259.919699][ T6298] 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
[ 259.939497][ T6298] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.947952][ T6298] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 259.956050][ T6298] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 259.964174][ T6298] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 259.972559][ T6298] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.980568][ T6298] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 259.982616][ T6300] loop4: detected capacity change from 0 to 32768
[ 259.988576][ T6298]
[ 259.990650][ T6298] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.011560][ T6298] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.028639][ T6280] CPU: 1 PID: 6280 Comm: syz.3.355 Not tainted 5.15.185-syzkaller #0
[ 260.036914][ T6280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 260.047296][ T6280] Call Trace:
[ 260.050644][ T6280]
[ 260.053605][ T6280] dump_stack_lvl+0x168/0x230
[ 260.058353][ T6280] ? show_regs_print_info+0x20/0x20
[ 260.063587][ T6280] ? load_image+0x3b0/0x3b0
[ 260.068143][ T6280] sysfs_create_dir_ns+0x252/0x280
[ 260.073296][ T6280] ? __lock_acquire+0x7c60/0x7c60
[ 260.078372][ T6280] ? sysfs_warn_dup+0xa0/0xa0
[ 260.083101][ T6280] ? do_raw_spin_unlock+0x11d/0x230
[ 260.088429][ T6280] kobject_add_internal+0x662/0xd00
[ 260.093673][ T6280] kobject_init_and_add+0x122/0x190
[ 260.098942][ T6280] ? lockdep_softirqs_off+0x420/0x420
[ 260.104498][ T6280] ? kobject_add+0x210/0x210
[ 260.109217][ T6280] ? __init_swait_queue_head+0xa5/0x150
[ 260.114900][ T6280] gfs2_sys_fs_add+0x234/0x480
[ 260.119712][ T6280] ? gfs2_recover_set+0x240/0x240
[ 260.124780][ T6280] ? snprintf+0xd7/0x120
[ 260.129051][ T6280] ? __free_pages+0x95/0x1a0
[ 260.133677][ T6280] ? vscnprintf+0x80/0x80
[ 260.138181][ T6280] gfs2_fill_super+0x128d/0x1f50
[ 260.143255][ T6280] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.148316][ T6280] ? preempt_count_add+0x8d/0x190
[ 260.153380][ T6280] ? sb_set_blocksize+0xa5/0xe0
[ 260.158263][ T6280] get_tree_bdev+0x3f1/0x610
[ 260.162981][ T6280] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.168047][ T6280] gfs2_get_tree+0x4d/0x1e0
[ 260.172587][ T6280] vfs_get_tree+0x88/0x270
[ 260.177034][ T6280] do_new_mount+0x24a/0xa40
[ 260.181582][ T6280] __se_sys_mount+0x2d6/0x3c0
[ 260.186293][ T6280] ? __x64_sys_mount+0xc0/0xc0
[ 260.191091][ T6280] ? lockdep_hardirqs_on+0x94/0x140
[ 260.196318][ T6280] ? __x64_sys_mount+0x1c/0xc0
[ 260.201122][ T6280] do_syscall_64+0x4c/0xa0
[ 260.205662][ T6280] ? clear_bhb_loop+0x30/0x80
[ 260.210450][ T6280] ? clear_bhb_loop+0x30/0x80
[ 260.215153][ T6280] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.221084][ T6280] RIP: 0033:0x7f2939f6690a
[ 260.225525][ T6280] 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
[ 260.245246][ T6280] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.253694][ T6280] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 260.261685][ T6280] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 260.269679][ T6280] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 260.277791][ T6280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.285902][ T6280] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 260.294153][ T6280]
[ 260.318439][ T6300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.325982][ T6300] CPU: 1 PID: 6300 Comm: syz.4.362 Not tainted 5.15.185-syzkaller #0
[ 260.334191][ T6300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 260.344708][ T6300] Call Trace:
[ 260.348020][ T6300]
[ 260.351002][ T6300] dump_stack_lvl+0x168/0x230
[ 260.355807][ T6300] ? show_regs_print_info+0x20/0x20
[ 260.361144][ T6300] ? load_image+0x3b0/0x3b0
[ 260.365699][ T6300] sysfs_create_dir_ns+0x252/0x280
[ 260.370842][ T6300] ? __lock_acquire+0x7c60/0x7c60
[ 260.375901][ T6300] ? sysfs_warn_dup+0xa0/0xa0
[ 260.380608][ T6300] ? do_raw_spin_unlock+0x11d/0x230
[ 260.385833][ T6300] kobject_add_internal+0x662/0xd00
[ 260.391077][ T6300] kobject_init_and_add+0x122/0x190
[ 260.396308][ T6300] ? lockdep_softirqs_off+0x420/0x420
[ 260.401809][ T6300] ? kobject_add+0x210/0x210
[ 260.406519][ T6300] ? __init_swait_queue_head+0xa5/0x150
[ 260.412201][ T6300] gfs2_sys_fs_add+0x234/0x480
[ 260.417175][ T6300] ? gfs2_recover_set+0x240/0x240
[ 260.422235][ T6300] ? snprintf+0xd7/0x120
[ 260.426659][ T6300] ? __free_pages+0x95/0x1a0
[ 260.431304][ T6300] ? vscnprintf+0x80/0x80
[ 260.435674][ T6300] gfs2_fill_super+0x128d/0x1f50
[ 260.440751][ T6300] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.446014][ T6300] ? preempt_count_add+0x8d/0x190
[ 260.451080][ T6300] ? sb_set_blocksize+0xa5/0xe0
[ 260.453282][ T6307] loop1: detected capacity change from 0 to 32768
[ 260.456320][ T6300] get_tree_bdev+0x3f1/0x610
[ 260.456352][ T6300] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.470288][ T6280] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.472474][ T6300] gfs2_get_tree+0x4d/0x1e0
[ 260.486429][ T6280] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.490307][ T6300] vfs_get_tree+0x88/0x270
[ 260.498697][ T6307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.501217][ T6300] do_new_mount+0x24a/0xa40
[ 260.513270][ T6300] __se_sys_mount+0x2d6/0x3c0
[ 260.517983][ T6300] ? __x64_sys_mount+0xc0/0xc0
[ 260.523112][ T6300] ? lockdep_hardirqs_on+0x94/0x140
[ 260.528607][ T6300] ? __x64_sys_mount+0x1c/0xc0
[ 260.533706][ T6300] do_syscall_64+0x4c/0xa0
[ 260.538145][ T6300] ? clear_bhb_loop+0x30/0x80
[ 260.542947][ T6300] ? clear_bhb_loop+0x30/0x80
[ 260.547664][ T6300] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.553589][ T6300] RIP: 0033:0x7f04a215590a
[ 260.558110][ T6300] 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
[ 260.577999][ T6300] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.586651][ T6300] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 260.594671][ T6300] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 260.602747][ T6300] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 260.610909][ T6300] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.619031][ T6300] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 260.627165][ T6300]
[ 260.630651][ T6307] CPU: 0 PID: 6307 Comm: syz.1.364 Not tainted 5.15.185-syzkaller #0
[ 260.632410][ T6300] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.638747][ T6307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 260.638765][ T6307] Call Trace:
[ 260.638775][ T6307]
[ 260.638784][ T6307] dump_stack_lvl+0x168/0x230
[ 260.638823][ T6307] ? show_regs_print_info+0x20/0x20
[ 260.652170][ T6300] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.662157][ T6307] ? load_image+0x3b0/0x3b0
[ 260.662196][ T6307] sysfs_create_dir_ns+0x252/0x280
[ 260.694630][ T6307] ? __lock_acquire+0x7c60/0x7c60
[ 260.699705][ T6307] ? sysfs_warn_dup+0xa0/0xa0
[ 260.704421][ T6307] ? do_raw_spin_unlock+0x11d/0x230
[ 260.709842][ T6307] kobject_add_internal+0x662/0xd00
[ 260.715172][ T6307] kobject_init_and_add+0x122/0x190
[ 260.720401][ T6307] ? lockdep_softirqs_off+0x420/0x420
[ 260.725811][ T6307] ? kobject_add+0x210/0x210
[ 260.730450][ T6307] ? __init_swait_queue_head+0xa5/0x150
[ 260.736167][ T6307] gfs2_sys_fs_add+0x234/0x480
[ 260.740969][ T6307] ? gfs2_recover_set+0x240/0x240
[ 260.746022][ T6307] ? snprintf+0xd7/0x120
[ 260.750314][ T6307] ? __free_pages+0x95/0x1a0
[ 260.754945][ T6307] ? vscnprintf+0x80/0x80
[ 260.759320][ T6307] gfs2_fill_super+0x128d/0x1f50
[ 260.764432][ T6307] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.769501][ T6307] ? preempt_count_add+0x8d/0x190
[ 260.774578][ T6307] ? sb_set_blocksize+0xa5/0xe0
[ 260.779670][ T6307] get_tree_bdev+0x3f1/0x610
[ 260.784405][ T6307] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.789849][ T6307] gfs2_get_tree+0x4d/0x1e0
[ 260.794418][ T6307] vfs_get_tree+0x88/0x270
[ 260.799073][ T6307] do_new_mount+0x24a/0xa40
[ 260.803798][ T6307] __se_sys_mount+0x2d6/0x3c0
[ 260.808549][ T6307] ? __x64_sys_mount+0xc0/0xc0
[ 260.813633][ T6307] ? lockdep_hardirqs_on+0x94/0x140
[ 260.818890][ T6307] ? __x64_sys_mount+0x1c/0xc0
[ 260.823720][ T6307] do_syscall_64+0x4c/0xa0
[ 260.828370][ T6307] ? clear_bhb_loop+0x30/0x80
[ 260.833096][ T6307] ? clear_bhb_loop+0x30/0x80
[ 260.837842][ T6307] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.843876][ T6307] RIP: 0033:0x7f135335e90a
[ 260.848346][ T6307] 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
[ 260.868165][ T6307] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.876742][ T6307] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 260.885260][ T6307] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 260.893367][ T6307] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 260.901384][ T6307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.909400][ T6307] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 260.917571][ T6307]
[ 260.923472][ T6307] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.937880][ T6307] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.416266][ T6312] loop3: detected capacity change from 0 to 32768
[ 261.665541][ T6315] loop5: detected capacity change from 0 to 32768
[ 261.773464][ T6316] loop4: detected capacity change from 0 to 32768
[ 261.864651][ T6312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.872337][ T6312] CPU: 0 PID: 6312 Comm: syz.3.365 Not tainted 5.15.185-syzkaller #0
[ 261.880527][ T6312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 261.890720][ T6312] Call Trace:
[ 261.894046][ T6312]
[ 261.897019][ T6312] dump_stack_lvl+0x168/0x230
[ 261.902017][ T6312] ? show_regs_print_info+0x20/0x20
[ 261.907571][ T6312] ? load_image+0x3b0/0x3b0
[ 261.912230][ T6312] sysfs_create_dir_ns+0x252/0x280
[ 261.917388][ T6312] ? __lock_acquire+0x7c60/0x7c60
[ 261.922491][ T6312] ? sysfs_warn_dup+0xa0/0xa0
[ 261.927206][ T6312] ? do_raw_spin_unlock+0x11d/0x230
[ 261.932472][ T6312] kobject_add_internal+0x662/0xd00
[ 261.937712][ T6312] kobject_init_and_add+0x122/0x190
[ 261.942952][ T6312] ? lockdep_softirqs_off+0x420/0x420
[ 261.948368][ T6312] ? kobject_add+0x210/0x210
[ 261.952997][ T6312] ? __init_swait_queue_head+0xa5/0x150
[ 261.958688][ T6312] gfs2_sys_fs_add+0x234/0x480
[ 261.964093][ T6312] ? gfs2_recover_set+0x240/0x240
[ 261.969159][ T6312] ? snprintf+0xd7/0x120
[ 261.973544][ T6312] ? __free_pages+0x95/0x1a0
[ 261.978261][ T6312] ? vscnprintf+0x80/0x80
[ 261.982944][ T6312] gfs2_fill_super+0x128d/0x1f50
[ 261.988374][ T6312] ? gfs2_reconfigure+0xcd0/0xcd0
[ 261.993631][ T6312] ? preempt_count_add+0x8d/0x190
[ 261.999063][ T6312] ? sb_set_blocksize+0xa5/0xe0
[ 262.004042][ T6312] get_tree_bdev+0x3f1/0x610
[ 262.008754][ T6312] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.013824][ T6312] gfs2_get_tree+0x4d/0x1e0
[ 262.018417][ T6312] vfs_get_tree+0x88/0x270
[ 262.022874][ T6312] do_new_mount+0x24a/0xa40
[ 262.027616][ T6312] __se_sys_mount+0x2d6/0x3c0
[ 262.032427][ T6312] ? __x64_sys_mount+0xc0/0xc0
[ 262.037224][ T6312] ? lockdep_hardirqs_on+0x94/0x140
[ 262.042549][ T6312] ? __x64_sys_mount+0x1c/0xc0
[ 262.047343][ T6312] do_syscall_64+0x4c/0xa0
[ 262.051875][ T6312] ? clear_bhb_loop+0x30/0x80
[ 262.056666][ T6312] ? clear_bhb_loop+0x30/0x80
[ 262.061453][ T6312] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.065882][ T6318] loop1: detected capacity change from 0 to 32768
[ 262.067365][ T6312] RIP: 0033:0x7f2939f6690a
[ 262.078201][ T6312] 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
[ 262.079102][ T6316] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.098287][ T6312] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.098322][ T6312] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 262.098336][ T6312] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 262.098352][ T6312] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 262.098365][ T6312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 262.098379][ T6312] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 262.098409][ T6312]
[ 262.158855][ T6316] CPU: 1 PID: 6316 Comm: syz.4.367 Not tainted 5.15.185-syzkaller #0
[ 262.159733][ T6312] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.167245][ T6316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 262.167261][ T6316] Call Trace:
[ 262.167269][ T6316]
[ 262.167278][ T6316] dump_stack_lvl+0x168/0x230
[ 262.181062][ T6312] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.191111][ T6316] ? show_regs_print_info+0x20/0x20
[ 262.191139][ T6316] ? load_image+0x3b0/0x3b0
[ 262.194741][ T6315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.197374][ T6316] sysfs_create_dir_ns+0x252/0x280
[ 262.230927][ T6316] ? __lock_acquire+0x7c60/0x7c60
[ 262.236075][ T6316] ? sysfs_warn_dup+0xa0/0xa0
[ 262.240876][ T6316] ? do_raw_spin_unlock+0x11d/0x230
[ 262.246187][ T6316] kobject_add_internal+0x662/0xd00
[ 262.252018][ T6316] kobject_init_and_add+0x122/0x190
[ 262.258468][ T6316] ? lockdep_softirqs_off+0x420/0x420
[ 262.263865][ T6316] ? kobject_add+0x210/0x210
[ 262.268582][ T6316] ? __init_swait_queue_head+0xa5/0x150
[ 262.274256][ T6316] gfs2_sys_fs_add+0x234/0x480
[ 262.279296][ T6316] ? gfs2_recover_set+0x240/0x240
[ 262.284354][ T6316] ? snprintf+0xd7/0x120
[ 262.289196][ T6316] ? __free_pages+0x95/0x1a0
[ 262.293914][ T6316] ? vscnprintf+0x80/0x80
[ 262.298358][ T6316] gfs2_fill_super+0x128d/0x1f50
[ 262.303504][ T6316] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.308645][ T6316] ? preempt_count_add+0x8d/0x190
[ 262.313791][ T6316] ? sb_set_blocksize+0xa5/0xe0
[ 262.318660][ T6316] get_tree_bdev+0x3f1/0x610
[ 262.323291][ T6316] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.328717][ T6316] gfs2_get_tree+0x4d/0x1e0
[ 262.333324][ T6316] vfs_get_tree+0x88/0x270
[ 262.337767][ T6316] do_new_mount+0x24a/0xa40
[ 262.342379][ T6316] __se_sys_mount+0x2d6/0x3c0
[ 262.347282][ T6316] ? __x64_sys_mount+0xc0/0xc0
[ 262.352094][ T6316] ? lockdep_hardirqs_on+0x94/0x140
[ 262.357400][ T6316] ? __x64_sys_mount+0x1c/0xc0
[ 262.362189][ T6316] do_syscall_64+0x4c/0xa0
[ 262.366728][ T6316] ? clear_bhb_loop+0x30/0x80
[ 262.371433][ T6316] ? clear_bhb_loop+0x30/0x80
[ 262.376133][ T6316] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.382309][ T6316] RIP: 0033:0x7f04a215590a
[ 262.387132][ T6316] 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
[ 262.407212][ T6316] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.416049][ T6316] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 262.424133][ T6316] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 262.432305][ T6316] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 262.440398][ T6316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 262.448380][ T6316] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 262.456811][ T6316]
[ 262.459937][ T6315] CPU: 0 PID: 6315 Comm: syz.5.366 Not tainted 5.15.185-syzkaller #0
[ 262.461751][ T6316] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.468027][ T6315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 262.468043][ T6315] Call Trace:
[ 262.468051][ T6315]
[ 262.468060][ T6315] dump_stack_lvl+0x168/0x230
[ 262.468090][ T6315] ? show_regs_print_info+0x20/0x20
[ 262.481527][ T6316] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.492576][ T6315] ? load_image+0x3b0/0x3b0
[ 262.492622][ T6315] sysfs_create_dir_ns+0x252/0x280
[ 262.492647][ T6315] ? __lock_acquire+0x7c60/0x7c60
[ 262.492672][ T6315] ? sysfs_warn_dup+0xa0/0xa0
[ 262.535313][ T6315] ? do_raw_spin_unlock+0x11d/0x230
[ 262.540553][ T6315] kobject_add_internal+0x662/0xd00
[ 262.545887][ T6315] kobject_init_and_add+0x122/0x190
[ 262.551136][ T6315] ? lockdep_softirqs_off+0x420/0x420
[ 262.556571][ T6315] ? kobject_add+0x210/0x210
[ 262.561699][ T6315] ? __init_swait_queue_head+0xa5/0x150
[ 262.567296][ T6315] gfs2_sys_fs_add+0x234/0x480
[ 262.572458][ T6315] ? gfs2_recover_set+0x240/0x240
[ 262.577528][ T6315] ? snprintf+0xd7/0x120
[ 262.582075][ T6315] ? __free_pages+0x95/0x1a0
[ 262.595922][ T6315] ? vscnprintf+0x80/0x80
[ 262.600309][ T6315] gfs2_fill_super+0x128d/0x1f50
[ 262.605327][ T6315] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.610404][ T6315] ? preempt_count_add+0x8d/0x190
[ 262.615485][ T6315] ? sb_set_blocksize+0xa5/0xe0
[ 262.620566][ T6315] get_tree_bdev+0x3f1/0x610
[ 262.625375][ T6315] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.630543][ T6315] gfs2_get_tree+0x4d/0x1e0
[ 262.635456][ T6315] vfs_get_tree+0x88/0x270
[ 262.639925][ T6315] do_new_mount+0x24a/0xa40
[ 262.644488][ T6315] __se_sys_mount+0x2d6/0x3c0
[ 262.649244][ T6315] ? __x64_sys_mount+0xc0/0xc0
[ 262.654238][ T6315] ? lockdep_hardirqs_on+0x94/0x140
[ 262.659735][ T6315] ? __x64_sys_mount+0x1c/0xc0
[ 262.664654][ T6315] do_syscall_64+0x4c/0xa0
[ 262.669120][ T6315] ? clear_bhb_loop+0x30/0x80
[ 262.674004][ T6315] ? clear_bhb_loop+0x30/0x80
[ 262.678893][ T6315] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.684978][ T6315] RIP: 0033:0x7f4ee4b1c90a
[ 262.689513][ T6315] 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
[ 262.709577][ T6315] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.718135][ T6315] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 262.726230][ T6315] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 262.734235][ T6315] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 262.742258][ T6315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 262.750391][ T6315] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 262.758464][ T6315]
[ 262.762447][ T6315] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.775967][ T6315] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.787343][ T6318] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.795043][ T6318] CPU: 1 PID: 6318 Comm: syz.1.368 Not tainted 5.15.185-syzkaller #0
[ 262.803162][ T6318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 262.813532][ T6318] Call Trace:
[ 262.817129][ T6318]
[ 262.820094][ T6318] dump_stack_lvl+0x168/0x230
[ 262.825026][ T6318] ? show_regs_print_info+0x20/0x20
[ 262.830455][ T6318] ? load_image+0x3b0/0x3b0
[ 262.835007][ T6318] sysfs_create_dir_ns+0x252/0x280
[ 262.840258][ T6318] ? __lock_acquire+0x7c60/0x7c60
[ 262.845329][ T6318] ? sysfs_warn_dup+0xa0/0xa0
[ 262.850185][ T6318] ? do_raw_spin_unlock+0x11d/0x230
[ 262.855677][ T6318] kobject_add_internal+0x662/0xd00
[ 262.861496][ T6318] kobject_init_and_add+0x122/0x190
[ 262.866737][ T6318] ? lockdep_softirqs_off+0x420/0x420
[ 262.872152][ T6318] ? kobject_add+0x210/0x210
[ 262.876858][ T6318] ? __init_swait_queue_head+0xa5/0x150
[ 262.882452][ T6318] gfs2_sys_fs_add+0x234/0x480
[ 262.887262][ T6318] ? gfs2_recover_set+0x240/0x240
[ 262.892423][ T6318] ? snprintf+0xd7/0x120
[ 262.896694][ T6318] ? __free_pages+0x95/0x1a0
[ 262.901325][ T6318] ? vscnprintf+0x80/0x80
[ 262.905783][ T6318] gfs2_fill_super+0x128d/0x1f50
[ 262.910950][ T6318] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.916099][ T6318] ? preempt_count_add+0x8d/0x190
[ 262.921194][ T6318] ? sb_set_blocksize+0xa5/0xe0
[ 262.926083][ T6318] get_tree_bdev+0x3f1/0x610
[ 262.930818][ T6318] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.935900][ T6318] gfs2_get_tree+0x4d/0x1e0
[ 262.940531][ T6318] vfs_get_tree+0x88/0x270
[ 262.944985][ T6318] do_new_mount+0x24a/0xa40
[ 262.949591][ T6318] __se_sys_mount+0x2d6/0x3c0
[ 262.954321][ T6318] ? __x64_sys_mount+0xc0/0xc0
[ 262.959226][ T6318] ? lockdep_hardirqs_on+0x94/0x140
[ 262.964477][ T6318] ? __x64_sys_mount+0x1c/0xc0
[ 262.969281][ T6318] do_syscall_64+0x4c/0xa0
[ 262.973729][ T6318] ? clear_bhb_loop+0x30/0x80
[ 262.978446][ T6318] ? clear_bhb_loop+0x30/0x80
[ 262.983376][ T6318] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.989395][ T6318] RIP: 0033:0x7f135335e90a
[ 262.993840][ T6318] 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
[ 263.013664][ T6318] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.022384][ T6318] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 263.030480][ T6318] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 263.038593][ T6318] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 263.046813][ T6318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 263.055100][ T6318] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 263.063122][ T6318]
[ 263.067733][ T6318] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.082399][ T6318] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/06/24 21:50:04 executed programs: 363
[ 263.520035][ T6326] loop2: detected capacity change from 0 to 32768
[ 263.772997][ T6330] loop4: detected capacity change from 0 to 32768
[ 263.807749][ T6330] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.815303][ T6330] CPU: 0 PID: 6330 Comm: syz.4.371 Not tainted 5.15.185-syzkaller #0
[ 263.823406][ T6330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 263.833945][ T6330] Call Trace:
[ 263.837285][ T6330]
[ 263.840359][ T6330] dump_stack_lvl+0x168/0x230
[ 263.845167][ T6330] ? show_regs_print_info+0x20/0x20
[ 263.850407][ T6330] ? load_image+0x3b0/0x3b0
[ 263.855191][ T6330] sysfs_create_dir_ns+0x252/0x280
[ 263.860435][ T6330] ? __lock_acquire+0x7c60/0x7c60
[ 263.865617][ T6330] ? sysfs_warn_dup+0xa0/0xa0
[ 263.870442][ T6330] ? do_raw_spin_unlock+0x11d/0x230
[ 263.875681][ T6330] kobject_add_internal+0x662/0xd00
[ 263.880931][ T6330] kobject_init_and_add+0x122/0x190
[ 263.886259][ T6330] ? lockdep_softirqs_off+0x420/0x420
[ 263.891822][ T6330] ? kobject_add+0x210/0x210
[ 263.896468][ T6330] ? __init_swait_queue_head+0xa5/0x150
[ 263.902059][ T6330] gfs2_sys_fs_add+0x234/0x480
[ 263.906863][ T6330] ? gfs2_recover_set+0x240/0x240
[ 263.912104][ T6330] ? snprintf+0xd7/0x120
[ 263.916399][ T6330] ? __free_pages+0x95/0x1a0
[ 263.921025][ T6330] ? vscnprintf+0x80/0x80
[ 263.925487][ T6330] gfs2_fill_super+0x128d/0x1f50
[ 263.930586][ T6330] ? gfs2_reconfigure+0xcd0/0xcd0
[ 263.935763][ T6330] ? preempt_count_add+0x8d/0x190
[ 263.941012][ T6330] ? sb_set_blocksize+0xa5/0xe0
[ 263.946035][ T6330] get_tree_bdev+0x3f1/0x610
[ 263.950674][ T6330] ? gfs2_reconfigure+0xcd0/0xcd0
[ 263.955758][ T6330] gfs2_get_tree+0x4d/0x1e0
[ 263.960497][ T6330] vfs_get_tree+0x88/0x270
[ 263.965317][ T6330] do_new_mount+0x24a/0xa40
[ 263.969882][ T6330] __se_sys_mount+0x2d6/0x3c0
[ 263.974711][ T6330] ? __x64_sys_mount+0xc0/0xc0
[ 263.979532][ T6330] ? lockdep_hardirqs_on+0x94/0x140
[ 263.984771][ T6330] ? __x64_sys_mount+0x1c/0xc0
[ 263.989567][ T6330] do_syscall_64+0x4c/0xa0
[ 263.994093][ T6330] ? clear_bhb_loop+0x30/0x80
[ 263.998804][ T6330] ? clear_bhb_loop+0x30/0x80
[ 264.003521][ T6330] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.009776][ T6330] RIP: 0033:0x7f04a215590a
[ 264.014448][ T6330] 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
[ 264.034504][ T6330] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.042962][ T6330] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 264.051143][ T6330] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 264.059176][ T6330] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 264.067285][ T6330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 264.075809][ T6330] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 264.083884][ T6330]
[ 264.088024][ T6330] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.102601][ T6330] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.233618][ T6329] loop5: detected capacity change from 0 to 32768
[ 264.420377][ T6334] loop3: detected capacity change from 0 to 32768
[ 264.435703][ T6326] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.443132][ T6326] CPU: 0 PID: 6326 Comm: syz.2.369 Not tainted 5.15.185-syzkaller #0
[ 264.451230][ T6326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 264.460101][ T6333] loop1: detected capacity change from 0 to 32768
[ 264.461425][ T6326] Call Trace:
[ 264.461435][ T6326]
[ 264.474651][ T6326] dump_stack_lvl+0x168/0x230
[ 264.479373][ T6326] ? show_regs_print_info+0x20/0x20
[ 264.484770][ T6326] ? load_image+0x3b0/0x3b0
[ 264.489328][ T6326] sysfs_create_dir_ns+0x252/0x280
[ 264.494564][ T6326] ? __lock_acquire+0x7c60/0x7c60
[ 264.499629][ T6326] ? sysfs_warn_dup+0xa0/0xa0
[ 264.504525][ T6326] ? do_raw_spin_unlock+0x11d/0x230
[ 264.510128][ T6326] kobject_add_internal+0x662/0xd00
[ 264.515381][ T6326] kobject_init_and_add+0x122/0x190
[ 264.520625][ T6326] ? lockdep_softirqs_off+0x420/0x420
[ 264.526164][ T6326] ? kobject_add+0x210/0x210
[ 264.530802][ T6326] ? __init_swait_queue_head+0xa5/0x150
[ 264.536394][ T6326] gfs2_sys_fs_add+0x234/0x480
[ 264.541209][ T6326] ? gfs2_recover_set+0x240/0x240
[ 264.546277][ T6326] ? snprintf+0xd7/0x120
[ 264.550552][ T6326] ? __free_pages+0x95/0x1a0
[ 264.555281][ T6326] ? vscnprintf+0x80/0x80
[ 264.559654][ T6326] gfs2_fill_super+0x128d/0x1f50
[ 264.564642][ T6326] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.569708][ T6326] ? preempt_count_add+0x8d/0x190
[ 264.574910][ T6326] ? sb_set_blocksize+0xa5/0xe0
[ 264.579826][ T6326] get_tree_bdev+0x3f1/0x610
[ 264.584567][ T6326] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.589823][ T6326] gfs2_get_tree+0x4d/0x1e0
[ 264.594379][ T6326] vfs_get_tree+0x88/0x270
[ 264.599018][ T6326] do_new_mount+0x24a/0xa40
[ 264.603688][ T6326] __se_sys_mount+0x2d6/0x3c0
[ 264.608424][ T6326] ? __x64_sys_mount+0xc0/0xc0
[ 264.613510][ T6326] ? lockdep_hardirqs_on+0x94/0x140
[ 264.618942][ T6326] ? __x64_sys_mount+0x1c/0xc0
[ 264.623858][ T6326] do_syscall_64+0x4c/0xa0
[ 264.628414][ T6326] ? clear_bhb_loop+0x30/0x80
[ 264.633133][ T6326] ? clear_bhb_loop+0x30/0x80
[ 264.637860][ T6326] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.643810][ T6326] RIP: 0033:0x7f3360a9890a
[ 264.648280][ T6326] 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
[ 264.668298][ T6326] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.676923][ T6326] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 264.684941][ T6326] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 264.693129][ T6326] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 264.701219][ T6326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 264.709575][ T6326] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 264.717695][ T6326]
[ 264.721773][ T6326] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.735210][ T6326] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.756677][ T6333] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.756805][ T6329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.764201][ T6333] CPU: 0 PID: 6333 Comm: syz.1.372 Not tainted 5.15.185-syzkaller #0
[ 264.779847][ T6333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 264.789996][ T6333] Call Trace:
[ 264.793591][ T6333]
[ 264.796526][ T6333] dump_stack_lvl+0x168/0x230
[ 264.801285][ T6333] ? show_regs_print_info+0x20/0x20
[ 264.806492][ T6333] ? load_image+0x3b0/0x3b0
[ 264.811020][ T6333] sysfs_create_dir_ns+0x252/0x280
[ 264.816151][ T6333] ? __lock_acquire+0x7c60/0x7c60
[ 264.821185][ T6333] ? sysfs_warn_dup+0xa0/0xa0
[ 264.825870][ T6333] ? do_raw_spin_unlock+0x11d/0x230
[ 264.831080][ T6333] kobject_add_internal+0x662/0xd00
[ 264.836306][ T6333] kobject_init_and_add+0x122/0x190
[ 264.841893][ T6333] ? lockdep_softirqs_off+0x420/0x420
[ 264.847298][ T6333] ? kobject_add+0x210/0x210
[ 264.851935][ T6333] ? __init_swait_queue_head+0xa5/0x150
[ 264.857497][ T6333] gfs2_sys_fs_add+0x234/0x480
[ 264.862281][ T6333] ? gfs2_recover_set+0x240/0x240
[ 264.867313][ T6333] ? snprintf+0xd7/0x120
[ 264.871568][ T6333] ? __free_pages+0x95/0x1a0
[ 264.876295][ T6333] ? vscnprintf+0x80/0x80
[ 264.880780][ T6333] gfs2_fill_super+0x128d/0x1f50
[ 264.885755][ T6333] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.890799][ T6333] ? preempt_count_add+0x8d/0x190
[ 264.895928][ T6333] ? sb_set_blocksize+0xa5/0xe0
[ 264.900794][ T6333] get_tree_bdev+0x3f1/0x610
[ 264.905540][ T6333] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.910702][ T6333] gfs2_get_tree+0x4d/0x1e0
[ 264.915264][ T6333] vfs_get_tree+0x88/0x270
[ 264.919895][ T6333] do_new_mount+0x24a/0xa40
[ 264.924417][ T6333] __se_sys_mount+0x2d6/0x3c0
[ 264.929289][ T6333] ? __x64_sys_mount+0xc0/0xc0
[ 264.934312][ T6333] ? lockdep_hardirqs_on+0x94/0x140
[ 264.939742][ T6333] ? __x64_sys_mount+0x1c/0xc0
[ 264.944542][ T6333] do_syscall_64+0x4c/0xa0
[ 264.949491][ T6333] ? clear_bhb_loop+0x30/0x80
[ 264.954200][ T6333] ? clear_bhb_loop+0x30/0x80
[ 264.958896][ T6333] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.964817][ T6333] RIP: 0033:0x7f135335e90a
[ 264.969268][ T6333] 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
[ 264.989804][ T6333] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.998485][ T6333] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 265.006478][ T6333] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 265.014461][ T6333] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 265.022626][ T6333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 265.030891][ T6333] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 265.039087][ T6333]
[ 265.042314][ T6329] CPU: 1 PID: 6329 Comm: syz.5.370 Not tainted 5.15.185-syzkaller #0
[ 265.043419][ T6333] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.050960][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 265.050980][ T6329] Call Trace:
[ 265.050990][ T6329]
[ 265.051000][ T6329] dump_stack_lvl+0x168/0x230
[ 265.051030][ T6329] ? show_regs_print_info+0x20/0x20
[ 265.064487][ T6333] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.074600][ T6329] ? load_image+0x3b0/0x3b0
[ 265.074642][ T6329] sysfs_create_dir_ns+0x252/0x280
[ 265.101768][ T6334] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.102268][ T6329] ? __lock_acquire+0x7c60/0x7c60
[ 265.102305][ T6329] ? sysfs_warn_dup+0xa0/0xa0
[ 265.102334][ T6329] ? do_raw_spin_unlock+0x11d/0x230
[ 265.102363][ T6329] kobject_add_internal+0x662/0xd00
[ 265.135218][ T6329] kobject_init_and_add+0x122/0x190
[ 265.140447][ T6329] ? lockdep_softirqs_off+0x420/0x420
[ 265.145843][ T6329] ? kobject_add+0x210/0x210
[ 265.150556][ T6329] ? __init_swait_queue_head+0xa5/0x150
[ 265.156125][ T6329] gfs2_sys_fs_add+0x234/0x480
[ 265.161181][ T6329] ? gfs2_recover_set+0x240/0x240
[ 265.166255][ T6329] ? snprintf+0xd7/0x120
[ 265.170543][ T6329] ? __free_pages+0x95/0x1a0
[ 265.175254][ T6329] ? vscnprintf+0x80/0x80
[ 265.179609][ T6329] gfs2_fill_super+0x128d/0x1f50
[ 265.184573][ T6329] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.189610][ T6329] ? preempt_count_add+0x8d/0x190
[ 265.194661][ T6329] ? sb_set_blocksize+0xa5/0xe0
[ 265.199530][ T6329] get_tree_bdev+0x3f1/0x610
[ 265.204133][ T6329] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.209178][ T6329] gfs2_get_tree+0x4d/0x1e0
[ 265.213699][ T6329] vfs_get_tree+0x88/0x270
[ 265.218133][ T6329] do_new_mount+0x24a/0xa40
[ 265.222831][ T6329] __se_sys_mount+0x2d6/0x3c0
[ 265.227618][ T6329] ? __x64_sys_mount+0xc0/0xc0
[ 265.232488][ T6329] ? lockdep_hardirqs_on+0x94/0x140
[ 265.237697][ T6329] ? __x64_sys_mount+0x1c/0xc0
[ 265.242520][ T6329] do_syscall_64+0x4c/0xa0
[ 265.247038][ T6329] ? clear_bhb_loop+0x30/0x80
[ 265.251728][ T6329] ? clear_bhb_loop+0x30/0x80
[ 265.256424][ T6329] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 265.262609][ T6329] RIP: 0033:0x7f4ee4b1c90a
[ 265.267043][ T6329] 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
[ 265.286751][ T6329] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.295366][ T6329] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 265.303570][ T6329] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 265.311555][ T6329] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 265.319597][ T6329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 265.327574][ T6329] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 265.335843][ T6329]
[ 265.338884][ T6334] CPU: 0 PID: 6334 Comm: syz.3.373 Not tainted 5.15.185-syzkaller #0
[ 265.338963][ T6329] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.347065][ T6334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 265.347080][ T6334] Call Trace:
[ 265.347088][ T6334]
[ 265.347097][ T6334] dump_stack_lvl+0x168/0x230
[ 265.360324][ T6329] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.370352][ T6334] ? show_regs_print_info+0x20/0x20
[ 265.370378][ T6334] ? load_image+0x3b0/0x3b0
[ 265.397722][ T6334] sysfs_create_dir_ns+0x252/0x280
[ 265.402872][ T6334] ? __lock_acquire+0x7c60/0x7c60
[ 265.408245][ T6334] ? sysfs_warn_dup+0xa0/0xa0
[ 265.413004][ T6334] ? do_raw_spin_unlock+0x11d/0x230
[ 265.418426][ T6334] kobject_add_internal+0x662/0xd00
[ 265.423678][ T6334] kobject_init_and_add+0x122/0x190
[ 265.428995][ T6334] ? lockdep_softirqs_off+0x420/0x420
[ 265.434416][ T6334] ? kobject_add+0x210/0x210
[ 265.439050][ T6334] ? __init_swait_queue_head+0xa5/0x150
[ 265.444745][ T6334] gfs2_sys_fs_add+0x234/0x480
[ 265.449561][ T6334] ? gfs2_recover_set+0x240/0x240
[ 265.454633][ T6334] ? snprintf+0xd7/0x120
[ 265.458919][ T6334] ? __free_pages+0x95/0x1a0
[ 265.463546][ T6334] ? vscnprintf+0x80/0x80
[ 265.468004][ T6334] gfs2_fill_super+0x128d/0x1f50
[ 265.472995][ T6334] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.478149][ T6334] ? preempt_count_add+0x8d/0x190
[ 265.483967][ T6334] ? sb_set_blocksize+0xa5/0xe0
[ 265.489174][ T6334] get_tree_bdev+0x3f1/0x610
[ 265.494010][ T6334] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.502390][ T6334] gfs2_get_tree+0x4d/0x1e0
[ 265.507395][ T6334] vfs_get_tree+0x88/0x270
[ 265.511871][ T6334] do_new_mount+0x24a/0xa40
[ 265.516540][ T6334] __se_sys_mount+0x2d6/0x3c0
[ 265.521346][ T6334] ? __x64_sys_mount+0xc0/0xc0
[ 265.526263][ T6334] ? lockdep_hardirqs_on+0x94/0x140
[ 265.532165][ T6334] ? __x64_sys_mount+0x1c/0xc0
[ 265.537329][ T6334] do_syscall_64+0x4c/0xa0
[ 265.541780][ T6334] ? clear_bhb_loop+0x30/0x80
[ 265.546591][ T6334] ? clear_bhb_loop+0x30/0x80
[ 265.551351][ T6334] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 265.557381][ T6334] RIP: 0033:0x7f2939f6690a
[ 265.561830][ T6334] 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
[ 265.581988][ T6334] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.590658][ T6334] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 265.598771][ T6334] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 265.606965][ T6334] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 265.615078][ T6334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 265.623191][ T6334] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 265.631325][ T6334]
[ 265.635414][ T6334] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.649122][ T6334] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.216066][ T6351] loop1: detected capacity change from 0 to 32768
[ 266.361215][ T6353] loop4: detected capacity change from 0 to 32768
[ 266.563554][ T6357] loop5: detected capacity change from 0 to 32768
[ 266.710866][ T6358] loop2: detected capacity change from 0 to 32768
[ 266.749029][ T6351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.756657][ T6351] CPU: 0 PID: 6351 Comm: syz.1.374 Not tainted 5.15.185-syzkaller #0
[ 266.764897][ T6351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 266.775103][ T6351] Call Trace:
[ 266.778430][ T6351]
[ 266.781531][ T6351] dump_stack_lvl+0x168/0x230
[ 266.786249][ T6351] ? show_regs_print_info+0x20/0x20
[ 266.791642][ T6351] ? load_image+0x3b0/0x3b0
[ 266.796391][ T6351] sysfs_create_dir_ns+0x252/0x280
[ 266.801650][ T6351] ? __lock_acquire+0x7c60/0x7c60
[ 266.806721][ T6351] ? sysfs_warn_dup+0xa0/0xa0
[ 266.811877][ T6351] ? do_raw_spin_unlock+0x11d/0x230
[ 266.817117][ T6351] kobject_add_internal+0x662/0xd00
[ 266.822364][ T6351] kobject_init_and_add+0x122/0x190
[ 266.827732][ T6351] ? lockdep_softirqs_off+0x420/0x420
[ 266.833166][ T6351] ? kobject_add+0x210/0x210
[ 266.837818][ T6351] ? __init_swait_queue_head+0xa5/0x150
[ 266.843456][ T6351] gfs2_sys_fs_add+0x234/0x480
[ 266.848265][ T6351] ? gfs2_recover_set+0x240/0x240
[ 266.853337][ T6351] ? snprintf+0xd7/0x120
[ 266.857618][ T6351] ? __free_pages+0x95/0x1a0
[ 266.862276][ T6351] ? vscnprintf+0x80/0x80
[ 266.866660][ T6351] gfs2_fill_super+0x128d/0x1f50
[ 266.871797][ T6351] ? gfs2_reconfigure+0xcd0/0xcd0
[ 266.876976][ T6351] ? preempt_count_add+0x8d/0x190
[ 266.882060][ T6351] ? sb_set_blocksize+0xa5/0xe0
[ 266.887043][ T6351] get_tree_bdev+0x3f1/0x610
[ 266.891682][ T6351] ? gfs2_reconfigure+0xcd0/0xcd0
[ 266.896751][ T6351] gfs2_get_tree+0x4d/0x1e0
[ 266.901293][ T6351] vfs_get_tree+0x88/0x270
[ 266.905838][ T6351] do_new_mount+0x24a/0xa40
[ 266.910405][ T6351] __se_sys_mount+0x2d6/0x3c0
[ 266.915313][ T6351] ? __x64_sys_mount+0xc0/0xc0
[ 266.920206][ T6351] ? lockdep_hardirqs_on+0x94/0x140
[ 266.925449][ T6351] ? __x64_sys_mount+0x1c/0xc0
[ 266.930254][ T6351] do_syscall_64+0x4c/0xa0
[ 266.934695][ T6359] loop3: detected capacity change from 0 to 32768
[ 266.934798][ T6351] ? clear_bhb_loop+0x30/0x80
[ 266.945984][ T6351] ? clear_bhb_loop+0x30/0x80
[ 266.950719][ T6351] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 266.956667][ T6351] RIP: 0033:0x7f135335e90a
[ 266.961227][ T6351] 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
[ 266.981115][ T6351] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.989781][ T6351] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 266.997862][ T6351] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 267.006030][ T6351] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 267.014025][ T6351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 267.022117][ T6351] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 267.030312][ T6351]
[ 267.034217][ T6351] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.034606][ T6357] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.047638][ T6351] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.062294][ T6357] CPU: 1 PID: 6357 Comm: syz.5.377 Not tainted 5.15.185-syzkaller #0
[ 267.070940][ T6357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 267.081023][ T6357] Call Trace:
[ 267.084426][ T6357]
[ 267.087384][ T6357] dump_stack_lvl+0x168/0x230
[ 267.092090][ T6357] ? show_regs_print_info+0x20/0x20
[ 267.097663][ T6357] ? load_image+0x3b0/0x3b0
[ 267.102211][ T6357] sysfs_create_dir_ns+0x252/0x280
[ 267.107342][ T6357] ? __lock_acquire+0x7c60/0x7c60
[ 267.112391][ T6357] ? sysfs_warn_dup+0xa0/0xa0
[ 267.117111][ T6357] ? do_raw_spin_unlock+0x11d/0x230
[ 267.122421][ T6357] kobject_add_internal+0x662/0xd00
[ 267.127662][ T6357] kobject_init_and_add+0x122/0x190
[ 267.133073][ T6357] ? lockdep_softirqs_off+0x420/0x420
[ 267.138486][ T6357] ? kobject_add+0x210/0x210
[ 267.143193][ T6357] ? __init_swait_queue_head+0xa5/0x150
[ 267.148856][ T6357] gfs2_sys_fs_add+0x234/0x480
[ 267.153666][ T6357] ? gfs2_recover_set+0x240/0x240
[ 267.158820][ T6357] ? snprintf+0xd7/0x120
[ 267.163116][ T6357] ? __free_pages+0x95/0x1a0
[ 267.167738][ T6357] ? vscnprintf+0x80/0x80
[ 267.172112][ T6357] gfs2_fill_super+0x128d/0x1f50
[ 267.177363][ T6357] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.180981][ T6353] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.182428][ T6357] ? preempt_count_add+0x8d/0x190
[ 267.195099][ T6357] ? sb_set_blocksize+0xa5/0xe0
[ 267.200244][ T6357] get_tree_bdev+0x3f1/0x610
[ 267.205229][ T6357] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.210268][ T6357] gfs2_get_tree+0x4d/0x1e0
[ 267.215155][ T6357] vfs_get_tree+0x88/0x270
[ 267.219680][ T6357] do_new_mount+0x24a/0xa40
[ 267.224203][ T6357] __se_sys_mount+0x2d6/0x3c0
[ 267.228901][ T6357] ? __x64_sys_mount+0xc0/0xc0
[ 267.233769][ T6357] ? lockdep_hardirqs_on+0x94/0x140
[ 267.239174][ T6357] ? __x64_sys_mount+0x1c/0xc0
[ 267.244040][ T6357] do_syscall_64+0x4c/0xa0
[ 267.248569][ T6357] ? clear_bhb_loop+0x30/0x80
[ 267.253295][ T6357] ? clear_bhb_loop+0x30/0x80
[ 267.258091][ T6357] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.264086][ T6357] RIP: 0033:0x7f4ee4b1c90a
[ 267.268686][ T6357] 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
[ 267.288310][ T6357] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.296778][ T6357] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 267.304767][ T6357] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 267.312939][ T6357] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 267.321013][ T6357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 267.329015][ T6357] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 267.337016][ T6357]
[ 267.340137][ T6353] CPU: 0 PID: 6353 Comm: syz.4.376 Not tainted 5.15.185-syzkaller #0
[ 267.340232][ T6357] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.348344][ T6353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 267.348361][ T6353] Call Trace:
[ 267.348369][ T6353]
[ 267.348378][ T6353] dump_stack_lvl+0x168/0x230
[ 267.348407][ T6353] ? show_regs_print_info+0x20/0x20
[ 267.361888][ T6357] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.371993][ T6353] ? load_image+0x3b0/0x3b0
[ 267.372050][ T6353] sysfs_create_dir_ns+0x252/0x280
[ 267.378969][ T6358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.382933][ T6353] ? __lock_acquire+0x7c60/0x7c60
[ 267.416975][ T6353] ? sysfs_warn_dup+0xa0/0xa0
[ 267.421688][ T6353] ? do_raw_spin_unlock+0x11d/0x230
[ 267.426903][ T6353] kobject_add_internal+0x662/0xd00
[ 267.432203][ T6353] kobject_init_and_add+0x122/0x190
[ 267.437425][ T6353] ? lockdep_softirqs_off+0x420/0x420
[ 267.442820][ T6353] ? kobject_add+0x210/0x210
[ 267.447523][ T6353] ? __init_swait_queue_head+0xa5/0x150
[ 267.453095][ T6353] gfs2_sys_fs_add+0x234/0x480
[ 267.457999][ T6353] ? gfs2_recover_set+0x240/0x240
[ 267.463121][ T6353] ? snprintf+0xd7/0x120
[ 267.467392][ T6353] ? __free_pages+0x95/0x1a0
[ 267.472087][ T6353] ? vscnprintf+0x80/0x80
[ 267.476556][ T6353] gfs2_fill_super+0x128d/0x1f50
[ 267.481644][ T6353] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.486966][ T6353] ? preempt_count_add+0x8d/0x190
[ 267.492146][ T6353] ? sb_set_blocksize+0xa5/0xe0
[ 267.497107][ T6353] get_tree_bdev+0x3f1/0x610
[ 267.501801][ T6353] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.507436][ T6353] gfs2_get_tree+0x4d/0x1e0
[ 267.512179][ T6353] vfs_get_tree+0x88/0x270
[ 267.516677][ T6353] do_new_mount+0x24a/0xa40
[ 267.521579][ T6353] __se_sys_mount+0x2d6/0x3c0
[ 267.526313][ T6353] ? __x64_sys_mount+0xc0/0xc0
[ 267.531279][ T6353] ? lockdep_hardirqs_on+0x94/0x140
[ 267.536582][ T6353] ? __x64_sys_mount+0x1c/0xc0
[ 267.541371][ T6353] do_syscall_64+0x4c/0xa0
[ 267.546025][ T6353] ? clear_bhb_loop+0x30/0x80
[ 267.550821][ T6353] ? clear_bhb_loop+0x30/0x80
[ 267.555511][ T6353] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.561620][ T6353] RIP: 0033:0x7f04a215590a
[ 267.566072][ T6353] 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
[ 267.586177][ T6353] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.594801][ T6353] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 267.602872][ T6353] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 267.611027][ T6353] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 267.619557][ T6353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 267.627539][ T6353] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 267.635550][ T6353]
[ 267.638603][ T6358] CPU: 1 PID: 6358 Comm: syz.2.375 Not tainted 5.15.185-syzkaller #0
[ 267.639533][ T6353] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.646813][ T6358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 267.646828][ T6358] Call Trace:
[ 267.646836][ T6358]
[ 267.646846][ T6358] dump_stack_lvl+0x168/0x230
[ 267.646877][ T6358] ? show_regs_print_info+0x20/0x20
[ 267.646898][ T6358] ? load_image+0x3b0/0x3b0
[ 267.646931][ T6358] sysfs_create_dir_ns+0x252/0x280
[ 267.646954][ T6358] ? __lock_acquire+0x7c60/0x7c60
[ 267.646980][ T6358] ? sysfs_warn_dup+0xa0/0xa0
[ 267.647006][ T6358] ? do_raw_spin_unlock+0x11d/0x230
[ 267.647031][ T6358] kobject_add_internal+0x662/0xd00
[ 267.647063][ T6358] kobject_init_and_add+0x122/0x190
[ 267.647085][ T6358] ? lockdep_softirqs_off+0x420/0x420
[ 267.647114][ T6358] ? kobject_add+0x210/0x210
[ 267.647141][ T6358] ? __init_swait_queue_head+0xa5/0x150
[ 267.647171][ T6358] gfs2_sys_fs_add+0x234/0x480
[ 267.647197][ T6358] ? gfs2_recover_set+0x240/0x240
[ 267.647220][ T6358] ? snprintf+0xd7/0x120
[ 267.647239][ T6358] ? __free_pages+0x95/0x1a0
[ 267.647266][ T6358] ? vscnprintf+0x80/0x80
[ 267.647300][ T6358] gfs2_fill_super+0x128d/0x1f50
[ 267.661006][ T6353] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.671161][ T6358] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.778619][ T6358] ? preempt_count_add+0x8d/0x190
[ 267.783778][ T6358] ? sb_set_blocksize+0xa5/0xe0
[ 267.788678][ T6358] get_tree_bdev+0x3f1/0x610
[ 267.793403][ T6358] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.798708][ T6358] gfs2_get_tree+0x4d/0x1e0
[ 267.803265][ T6358] vfs_get_tree+0x88/0x270
[ 267.807866][ T6358] do_new_mount+0x24a/0xa40
[ 267.812429][ T6358] __se_sys_mount+0x2d6/0x3c0
[ 267.817151][ T6358] ? __x64_sys_mount+0xc0/0xc0
[ 267.821953][ T6358] ? lockdep_hardirqs_on+0x94/0x140
[ 267.827307][ T6358] ? __x64_sys_mount+0x1c/0xc0
[ 267.832292][ T6358] do_syscall_64+0x4c/0xa0
[ 267.836745][ T6358] ? clear_bhb_loop+0x30/0x80
[ 267.841673][ T6358] ? clear_bhb_loop+0x30/0x80
[ 267.846823][ T6358] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.852862][ T6358] RIP: 0033:0x7f3360a9890a
[ 267.857416][ T6358] 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
[ 267.877186][ T6358] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.885648][ T6358] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 267.893952][ T6358] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 267.902137][ T6358] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 267.910144][ T6358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 267.918489][ T6358] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 267.926606][ T6358]
[ 267.930895][ T6358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.944594][ T6358] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.958764][ T6359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.966338][ T6359] CPU: 1 PID: 6359 Comm: syz.3.378 Not tainted 5.15.185-syzkaller #0
[ 267.974591][ T6359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 267.984676][ T6359] Call Trace:
[ 267.988086][ T6359]
[ 267.991227][ T6359] dump_stack_lvl+0x168/0x230
[ 267.995944][ T6359] ? show_regs_print_info+0x20/0x20
[ 268.001301][ T6359] ? load_image+0x3b0/0x3b0
[ 268.005931][ T6359] sysfs_create_dir_ns+0x252/0x280
[ 268.011272][ T6359] ? __lock_acquire+0x7c60/0x7c60
[ 268.016334][ T6359] ? sysfs_warn_dup+0xa0/0xa0
[ 268.021042][ T6359] ? do_raw_spin_unlock+0x11d/0x230
[ 268.026473][ T6359] kobject_add_internal+0x662/0xd00
[ 268.031800][ T6359] kobject_init_and_add+0x122/0x190
[ 268.037233][ T6359] ? lockdep_softirqs_off+0x420/0x420
[ 268.042653][ T6359] ? kobject_add+0x210/0x210
[ 268.047325][ T6359] ? __init_swait_queue_head+0xa5/0x150
[ 268.053029][ T6359] gfs2_sys_fs_add+0x234/0x480
[ 268.057831][ T6359] ? gfs2_recover_set+0x240/0x240
[ 268.063035][ T6359] ? snprintf+0xd7/0x120
[ 268.067409][ T6359] ? __free_pages+0x95/0x1a0
[ 268.072049][ T6359] ? vscnprintf+0x80/0x80
[ 268.076428][ T6359] gfs2_fill_super+0x128d/0x1f50
[ 268.081517][ T6359] ? gfs2_reconfigure+0xcd0/0xcd0
[ 268.086768][ T6359] ? preempt_count_add+0x8d/0x190
[ 268.092050][ T6359] ? sb_set_blocksize+0xa5/0xe0
[ 268.097053][ T6359] get_tree_bdev+0x3f1/0x610
[ 268.101686][ T6359] ? gfs2_reconfigure+0xcd0/0xcd0
[ 268.106758][ T6359] gfs2_get_tree+0x4d/0x1e0
[ 268.111323][ T6359] vfs_get_tree+0x88/0x270
[ 268.115783][ T6359] do_new_mount+0x24a/0xa40
[ 268.120586][ T6359] __se_sys_mount+0x2d6/0x3c0
[ 268.125315][ T6359] ? __x64_sys_mount+0xc0/0xc0
[ 268.130129][ T6359] ? lockdep_hardirqs_on+0x94/0x140
[ 268.135396][ T6359] ? __x64_sys_mount+0x1c/0xc0
[ 268.140346][ T6359] do_syscall_64+0x4c/0xa0
[ 268.144984][ T6359] ? clear_bhb_loop+0x30/0x80
[ 268.149691][ T6359] ? clear_bhb_loop+0x30/0x80
[ 268.154519][ T6359] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 268.160509][ T6359] RIP: 0033:0x7f2939f6690a
[ 268.164958][ T6359] 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
[ 268.184739][ T6359] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.193226][ T6359] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 268.201848][ T6359] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 268.209944][ T6359] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 268.218212][ T6359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 268.226231][ T6359] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 268.234345][ T6359]
[ 268.238590][ T6359] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.252022][ T6359] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/06/24 21:50:09 executed programs: 374
[ 268.516714][ T6364] loop1: detected capacity change from 0 to 32768
[ 268.692915][ T6364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.700394][ T6364] CPU: 0 PID: 6364 Comm: syz.1.379 Not tainted 5.15.185-syzkaller #0
[ 268.708490][ T6364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 268.718665][ T6364] Call Trace:
[ 268.722081][ T6364]
[ 268.725050][ T6364] dump_stack_lvl+0x168/0x230
[ 268.729808][ T6364] ? show_regs_print_info+0x20/0x20
[ 268.735045][ T6364] ? load_image+0x3b0/0x3b0
[ 268.739596][ T6364] sysfs_create_dir_ns+0x252/0x280
[ 268.744750][ T6364] ? __lock_acquire+0x7c60/0x7c60
[ 268.749908][ T6364] ? sysfs_warn_dup+0xa0/0xa0
[ 268.754634][ T6364] ? do_raw_spin_unlock+0x11d/0x230
[ 268.760273][ T6364] kobject_add_internal+0x662/0xd00
[ 268.766091][ T6364] kobject_init_and_add+0x122/0x190
[ 268.771329][ T6364] ? lockdep_softirqs_off+0x420/0x420
[ 268.776928][ T6364] ? kobject_add+0x210/0x210
[ 268.781570][ T6364] ? __init_swait_queue_head+0xa5/0x150
[ 268.787598][ T6364] gfs2_sys_fs_add+0x234/0x480
[ 268.792635][ T6364] ? gfs2_recover_set+0x240/0x240
[ 268.798094][ T6364] ? snprintf+0xd7/0x120
[ 268.802378][ T6364] ? __free_pages+0x95/0x1a0
[ 268.807030][ T6364] ? vscnprintf+0x80/0x80
[ 268.811689][ T6364] gfs2_fill_super+0x128d/0x1f50
[ 268.817558][ T6364] ? gfs2_reconfigure+0xcd0/0xcd0
[ 268.822632][ T6364] ? preempt_count_add+0x8d/0x190
[ 268.827889][ T6364] ? sb_set_blocksize+0xa5/0xe0
[ 268.832792][ T6364] get_tree_bdev+0x3f1/0x610
[ 268.837448][ T6364] ? gfs2_reconfigure+0xcd0/0xcd0
[ 268.842528][ T6364] gfs2_get_tree+0x4d/0x1e0
[ 268.847074][ T6364] vfs_get_tree+0x88/0x270
[ 268.851570][ T6364] do_new_mount+0x24a/0xa40
[ 268.856123][ T6364] __se_sys_mount+0x2d6/0x3c0
[ 268.860857][ T6364] ? __x64_sys_mount+0xc0/0xc0
[ 268.865834][ T6364] ? lockdep_hardirqs_on+0x94/0x140
[ 268.871175][ T6364] ? __x64_sys_mount+0x1c/0xc0
[ 268.876130][ T6364] do_syscall_64+0x4c/0xa0
[ 268.881059][ T6364] ? clear_bhb_loop+0x30/0x80
[ 268.885781][ T6364] ? clear_bhb_loop+0x30/0x80
[ 268.890601][ T6364] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 268.896645][ T6364] RIP: 0033:0x7f135335e90a
[ 268.901230][ T6364] 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
[ 268.921034][ T6364] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.929643][ T6364] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 268.937734][ T6364] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 268.945801][ T6364] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 268.953871][ T6364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 268.961867][ T6364] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 268.969860][ T6364]
[ 268.974382][ T6364] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.987566][ T6364] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.147062][ T6369] loop5: detected capacity change from 0 to 32768
[ 269.295632][ T6373] loop4: detected capacity change from 0 to 32768
[ 269.687773][ T6376] loop2: detected capacity change from 0 to 32768
[ 269.708070][ T6373] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.715588][ T6373] CPU: 0 PID: 6373 Comm: syz.4.382 Not tainted 5.15.185-syzkaller #0
[ 269.723690][ T6373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 269.733877][ T6373] Call Trace:
[ 269.734691][ T6369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.737356][ T6373]
[ 269.737366][ T6373] dump_stack_lvl+0x168/0x230
[ 269.737397][ T6373] ? show_regs_print_info+0x20/0x20
[ 269.757604][ T6373] ? load_image+0x3b0/0x3b0
[ 269.762133][ T6373] sysfs_create_dir_ns+0x252/0x280
[ 269.767261][ T6373] ? __lock_acquire+0x7c60/0x7c60
[ 269.772549][ T6373] ? sysfs_warn_dup+0xa0/0xa0
[ 269.777340][ T6373] ? do_raw_spin_unlock+0x11d/0x230
[ 269.782639][ T6373] kobject_add_internal+0x662/0xd00
[ 269.787864][ T6373] kobject_init_and_add+0x122/0x190
[ 269.793078][ T6373] ? lockdep_softirqs_off+0x420/0x420
[ 269.798549][ T6373] ? kobject_add+0x210/0x210
[ 269.803154][ T6373] ? __init_swait_queue_head+0xa5/0x150
[ 269.808717][ T6373] gfs2_sys_fs_add+0x234/0x480
[ 269.813709][ T6373] ? gfs2_recover_set+0x240/0x240
[ 269.818741][ T6373] ? snprintf+0xd7/0x120
[ 269.823003][ T6373] ? __free_pages+0x95/0x1a0
[ 269.827618][ T6373] ? vscnprintf+0x80/0x80
[ 269.832137][ T6373] gfs2_fill_super+0x128d/0x1f50
[ 269.837260][ T6373] ? gfs2_reconfigure+0xcd0/0xcd0
[ 269.842318][ T6373] ? preempt_count_add+0x8d/0x190
[ 269.847377][ T6373] ? sb_set_blocksize+0xa5/0xe0
[ 269.852251][ T6373] get_tree_bdev+0x3f1/0x610
[ 269.856858][ T6373] ? gfs2_reconfigure+0xcd0/0xcd0
[ 269.861894][ T6373] gfs2_get_tree+0x4d/0x1e0
[ 269.866667][ T6373] vfs_get_tree+0x88/0x270
[ 269.871115][ T6373] do_new_mount+0x24a/0xa40
[ 269.875739][ T6373] __se_sys_mount+0x2d6/0x3c0
[ 269.880451][ T6373] ? __x64_sys_mount+0xc0/0xc0
[ 269.885327][ T6373] ? lockdep_hardirqs_on+0x94/0x140
[ 269.890718][ T6373] ? __x64_sys_mount+0x1c/0xc0
[ 269.895496][ T6373] do_syscall_64+0x4c/0xa0
[ 269.899934][ T6373] ? clear_bhb_loop+0x30/0x80
[ 269.904634][ T6373] ? clear_bhb_loop+0x30/0x80
[ 269.909422][ T6373] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 269.915422][ T6373] RIP: 0033:0x7f04a215590a
[ 269.920027][ T6373] 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
[ 269.939761][ T6373] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.948198][ T6373] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 269.956460][ T6373] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 269.964791][ T6373] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 269.972860][ T6373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 269.980929][ T6373] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 269.989018][ T6373]
[ 269.992048][ T6369] CPU: 1 PID: 6369 Comm: syz.5.381 Not tainted 5.15.185-syzkaller #0
[ 269.993139][ T6373] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.000226][ T6369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 270.000240][ T6369] Call Trace:
[ 270.000248][ T6369]
[ 270.000258][ T6369] dump_stack_lvl+0x168/0x230
[ 270.000287][ T6369] ? show_regs_print_info+0x20/0x20
[ 270.000309][ T6369] ? load_image+0x3b0/0x3b0
[ 270.000343][ T6369] sysfs_create_dir_ns+0x252/0x280
[ 270.000366][ T6369] ? __lock_acquire+0x7c60/0x7c60
[ 270.000393][ T6369] ? sysfs_warn_dup+0xa0/0xa0
[ 270.000418][ T6369] ? do_raw_spin_unlock+0x11d/0x230
[ 270.000444][ T6369] kobject_add_internal+0x662/0xd00
[ 270.000477][ T6369] kobject_init_and_add+0x122/0x190
[ 270.000499][ T6369] ? lockdep_softirqs_off+0x420/0x420
[ 270.000536][ T6369] ? kobject_add+0x210/0x210
[ 270.000564][ T6369] ? __init_swait_queue_head+0xa5/0x150
[ 270.000594][ T6369] gfs2_sys_fs_add+0x234/0x480
[ 270.000621][ T6369] ? gfs2_recover_set+0x240/0x240
[ 270.000644][ T6369] ? snprintf+0xd7/0x120
[ 270.000664][ T6369] ? __free_pages+0x95/0x1a0
[ 270.000692][ T6369] ? vscnprintf+0x80/0x80
[ 270.000724][ T6369] gfs2_fill_super+0x128d/0x1f50
[ 270.014149][ T6373] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.024289][ T6369] ? gfs2_reconfigure+0xcd0/0xcd0
[ 270.024436][ T6369] ? preempt_count_add+0x8d/0x190
[ 270.136172][ T6369] ? sb_set_blocksize+0xa5/0xe0
[ 270.141324][ T6369] get_tree_bdev+0x3f1/0x610
[ 270.145968][ T6369] ? gfs2_reconfigure+0xcd0/0xcd0
[ 270.151117][ T6369] gfs2_get_tree+0x4d/0x1e0
[ 270.152512][ T6376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.155656][ T6369] vfs_get_tree+0x88/0x270
[ 270.155689][ T6369] do_new_mount+0x24a/0xa40
[ 270.171979][ T6369] __se_sys_mount+0x2d6/0x3c0
[ 270.176678][ T6369] ? __x64_sys_mount+0xc0/0xc0
[ 270.181457][ T6369] ? lockdep_hardirqs_on+0x94/0x140
[ 270.186707][ T6369] ? __x64_sys_mount+0x1c/0xc0
[ 270.191675][ T6369] do_syscall_64+0x4c/0xa0
[ 270.196102][ T6369] ? clear_bhb_loop+0x30/0x80
[ 270.200789][ T6369] ? clear_bhb_loop+0x30/0x80
[ 270.205475][ T6369] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 270.211391][ T6369] RIP: 0033:0x7f4ee4b1c90a
[ 270.215815][ T6369] 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
[ 270.235732][ T6369] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.244170][ T6369] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 270.252237][ T6369] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 270.260476][ T6369] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 270.268553][ T6369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 270.276535][ T6369] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 270.284528][ T6369]
[ 270.287560][ T6376] CPU: 0 PID: 6376 Comm: syz.2.384 Not tainted 5.15.185-syzkaller #0
[ 270.287620][ T6369] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.295773][ T6376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 270.295787][ T6376] Call Trace:
[ 270.295795][ T6376]
[ 270.295804][ T6376] dump_stack_lvl+0x168/0x230
[ 270.309030][ T6369] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.319450][ T6376] ? show_regs_print_info+0x20/0x20
[ 270.319478][ T6376] ? load_image+0x3b0/0x3b0
[ 270.347047][ T6376] sysfs_create_dir_ns+0x252/0x280
[ 270.352207][ T6376] ? __lock_acquire+0x7c60/0x7c60
[ 270.357286][ T6376] ? sysfs_warn_dup+0xa0/0xa0
[ 270.362094][ T6376] ? do_raw_spin_unlock+0x11d/0x230
[ 270.367345][ T6376] kobject_add_internal+0x662/0xd00
[ 270.372588][ T6376] kobject_init_and_add+0x122/0x190
[ 270.377983][ T6376] ? lockdep_softirqs_off+0x420/0x420
[ 270.383462][ T6376] ? kobject_add+0x210/0x210
[ 270.388230][ T6376] ? __init_swait_queue_head+0xa5/0x150
[ 270.393793][ T6376] gfs2_sys_fs_add+0x234/0x480
[ 270.398653][ T6376] ? gfs2_recover_set+0x240/0x240
[ 270.403685][ T6376] ? snprintf+0xd7/0x120
[ 270.407933][ T6376] ? __free_pages+0x95/0x1a0
[ 270.412546][ T6376] ? vscnprintf+0x80/0x80
[ 270.416894][ T6376] gfs2_fill_super+0x128d/0x1f50
[ 270.422480][ T6376] ? gfs2_reconfigure+0xcd0/0xcd0
[ 270.427599][ T6376] ? preempt_count_add+0x8d/0x190
[ 270.432650][ T6376] ? sb_set_blocksize+0xa5/0xe0
[ 270.437513][ T6376] get_tree_bdev+0x3f1/0x610
[ 270.442177][ T6376] ? gfs2_reconfigure+0xcd0/0xcd0
[ 270.447273][ T6376] gfs2_get_tree+0x4d/0x1e0
[ 270.451802][ T6376] vfs_get_tree+0x88/0x270
[ 270.456237][ T6376] do_new_mount+0x24a/0xa40
[ 270.460776][ T6376] __se_sys_mount+0x2d6/0x3c0
[ 270.465588][ T6376] ? __x64_sys_mount+0xc0/0xc0
[ 270.470538][ T6376] ? lockdep_hardirqs_on+0x94/0x140
[ 270.475998][ T6376] ? __x64_sys_mount+0x1c/0xc0
[ 270.480934][ T6376] do_syscall_64+0x4c/0xa0
[ 270.485455][ T6376] ? clear_bhb_loop+0x30/0x80
[ 270.490404][ T6376] ? clear_bhb_loop+0x30/0x80
[ 270.495438][ T6376] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 270.501780][ T6376] RIP: 0033:0x7f3360a9890a
[ 270.506205][ T6376] 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
[ 270.525907][ T6376] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.534335][ T6376] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 270.542720][ T6376] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 270.550811][ T6376] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 270.559238][ T6376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 270.567485][ T6376] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 270.575487][ T6376]
[ 270.579697][ T6376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.593717][ T6376] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.484584][ T6389] loop4: detected capacity change from 0 to 32768
[ 271.531430][ T6389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.541015][ T6389] CPU: 0 PID: 6389 Comm: syz.4.388 Not tainted 5.15.185-syzkaller #0
[ 271.549459][ T6389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 271.559548][ T6389] Call Trace:
[ 271.562860][ T6389]
[ 271.565813][ T6389] dump_stack_lvl+0x168/0x230
[ 271.570533][ T6389] ? show_regs_print_info+0x20/0x20
[ 271.575859][ T6389] ? load_image+0x3b0/0x3b0
[ 271.580408][ T6389] sysfs_create_dir_ns+0x252/0x280
[ 271.585561][ T6389] ? __lock_acquire+0x7c60/0x7c60
[ 271.590623][ T6389] ? sysfs_warn_dup+0xa0/0xa0
[ 271.595334][ T6389] ? do_raw_spin_unlock+0x11d/0x230
[ 271.600563][ T6389] kobject_add_internal+0x662/0xd00
[ 271.605802][ T6389] kobject_init_and_add+0x122/0x190
[ 271.611074][ T6389] ? lockdep_softirqs_off+0x420/0x420
[ 271.616478][ T6389] ? kobject_add+0x210/0x210
[ 271.621100][ T6389] ? __init_swait_queue_head+0xa5/0x150
[ 271.626852][ T6389] gfs2_sys_fs_add+0x234/0x480
[ 271.631653][ T6389] ? gfs2_recover_set+0x240/0x240
[ 271.636702][ T6389] ? snprintf+0xd7/0x120
[ 271.641043][ T6389] ? __free_pages+0x95/0x1a0
[ 271.645671][ T6389] ? vscnprintf+0x80/0x80
[ 271.650221][ T6389] gfs2_fill_super+0x128d/0x1f50
[ 271.655222][ T6389] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.660359][ T6389] ? preempt_count_add+0x8d/0x190
[ 271.665422][ T6389] ? sb_set_blocksize+0xa5/0xe0
[ 271.670301][ T6389] get_tree_bdev+0x3f1/0x610
[ 271.675004][ T6389] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.680084][ T6389] gfs2_get_tree+0x4d/0x1e0
[ 271.684629][ T6389] vfs_get_tree+0x88/0x270
[ 271.689080][ T6389] do_new_mount+0x24a/0xa40
[ 271.693620][ T6389] __se_sys_mount+0x2d6/0x3c0
[ 271.698333][ T6389] ? __x64_sys_mount+0xc0/0xc0
[ 271.703134][ T6389] ? lockdep_hardirqs_on+0x94/0x140
[ 271.708445][ T6389] ? __x64_sys_mount+0x1c/0xc0
[ 271.713432][ T6389] do_syscall_64+0x4c/0xa0
[ 271.717881][ T6389] ? clear_bhb_loop+0x30/0x80
[ 271.722578][ T6389] ? clear_bhb_loop+0x30/0x80
[ 271.727279][ T6389] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 271.733325][ T6389] RIP: 0033:0x7f04a215590a
[ 271.737879][ T6389] 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
[ 271.757518][ T6389] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.765980][ T6389] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 271.774158][ T6389] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 271.782167][ T6389] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 271.790268][ T6389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 271.798272][ T6389] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 271.806301][ T6389]
[ 271.809788][ T6389] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.823147][ T6389] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.893056][ T6405] loop4: detected capacity change from 0 to 32768
[ 272.944637][ T6405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.952303][ T6405] CPU: 0 PID: 6405 Comm: syz.4.395 Not tainted 5.15.185-syzkaller #0
[ 272.960401][ T6405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 272.970502][ T6405] Call Trace:
[ 272.973990][ T6405]
[ 272.976971][ T6405] dump_stack_lvl+0x168/0x230
[ 272.981686][ T6405] ? show_regs_print_info+0x20/0x20
[ 272.987006][ T6405] ? load_image+0x3b0/0x3b0
[ 272.991563][ T6405] sysfs_create_dir_ns+0x252/0x280
[ 272.996722][ T6405] ? __lock_acquire+0x7c60/0x7c60
[ 273.001879][ T6405] ? sysfs_warn_dup+0xa0/0xa0
[ 273.006791][ T6405] ? do_raw_spin_unlock+0x11d/0x230
[ 273.012028][ T6405] kobject_add_internal+0x662/0xd00
[ 273.017279][ T6405] kobject_init_and_add+0x122/0x190
[ 273.022506][ T6405] ? lockdep_softirqs_off+0x420/0x420
[ 273.028091][ T6405] ? kobject_add+0x210/0x210
[ 273.032717][ T6405] ? __init_swait_queue_head+0xa5/0x150
[ 273.038295][ T6405] gfs2_sys_fs_add+0x234/0x480
[ 273.043090][ T6405] ? gfs2_recover_set+0x240/0x240
[ 273.048145][ T6405] ? snprintf+0xd7/0x120
[ 273.052421][ T6405] ? __free_pages+0x95/0x1a0
[ 273.057047][ T6405] ? vscnprintf+0x80/0x80
[ 273.061420][ T6405] gfs2_fill_super+0x128d/0x1f50
[ 273.066964][ T6405] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.072116][ T6405] ? preempt_count_add+0x8d/0x190
[ 273.077279][ T6405] ? sb_set_blocksize+0xa5/0xe0
[ 273.082264][ T6405] get_tree_bdev+0x3f1/0x610
[ 273.086984][ T6405] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.092225][ T6405] gfs2_get_tree+0x4d/0x1e0
[ 273.096795][ T6405] vfs_get_tree+0x88/0x270
[ 273.101237][ T6405] do_new_mount+0x24a/0xa40
[ 273.105771][ T6405] __se_sys_mount+0x2d6/0x3c0
[ 273.110486][ T6405] ? __x64_sys_mount+0xc0/0xc0
[ 273.115297][ T6405] ? lockdep_hardirqs_on+0x94/0x140
[ 273.120642][ T6405] ? __x64_sys_mount+0x1c/0xc0
[ 273.125531][ T6405] do_syscall_64+0x4c/0xa0
[ 273.130277][ T6405] ? clear_bhb_loop+0x30/0x80
[ 273.134993][ T6405] ? clear_bhb_loop+0x30/0x80
[ 273.139789][ T6405] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.145820][ T6405] RIP: 0033:0x7f04a215590a
[ 273.150343][ T6405] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 273.169998][ T6405] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.178634][ T6405] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 273.186736][ T6405] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 273.194743][ T6405] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 273.202750][ T6405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 273.210754][ T6405] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 273.218932][ T6405]
[ 273.222956][ T6405] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.236251][ T6405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.246288][ T4268] Bluetooth: hci5: command 0x0406 tx timeout
[ 273.290126][ T6407] loop3: detected capacity change from 0 to 32768
[ 273.411444][ T6407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.419215][ T6407] CPU: 0 PID: 6407 Comm: syz.3.394 Not tainted 5.15.185-syzkaller #0
[ 273.427332][ T6407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 273.437522][ T6407] Call Trace:
[ 273.440964][ T6407]
[ 273.444010][ T6407] dump_stack_lvl+0x168/0x230
[ 273.448721][ T6407] ? show_regs_print_info+0x20/0x20
[ 273.454045][ T6407] ? load_image+0x3b0/0x3b0
[ 273.458600][ T6407] sysfs_create_dir_ns+0x252/0x280
[ 273.463753][ T6407] ? __lock_acquire+0x7c60/0x7c60
[ 273.468815][ T6407] ? sysfs_warn_dup+0xa0/0xa0
[ 273.473529][ T6407] ? do_raw_spin_unlock+0x11d/0x230
[ 273.478748][ T6407] kobject_add_internal+0x662/0xd00
[ 273.484264][ T6407] kobject_init_and_add+0x122/0x190
[ 273.489493][ T6407] ? lockdep_softirqs_off+0x420/0x420
[ 273.494907][ T6407] ? kobject_add+0x210/0x210
[ 273.499554][ T6407] ? __init_swait_queue_head+0xa5/0x150
[ 273.505331][ T6407] gfs2_sys_fs_add+0x234/0x480
[ 273.510144][ T6407] ? gfs2_recover_set+0x240/0x240
[ 273.515206][ T6407] ? snprintf+0xd7/0x120
[ 273.519482][ T6407] ? __free_pages+0x95/0x1a0
[ 273.524104][ T6407] ? vscnprintf+0x80/0x80
[ 273.528483][ T6407] gfs2_fill_super+0x128d/0x1f50
[ 273.533563][ T6407] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.538625][ T6407] ? preempt_count_add+0x8d/0x190
[ 273.543706][ T6407] ? sb_set_blocksize+0xa5/0xe0
[ 273.548589][ T6407] get_tree_bdev+0x3f1/0x610
[ 273.553225][ T6407] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.558294][ T6407] gfs2_get_tree+0x4d/0x1e0
[ 273.562917][ T6407] vfs_get_tree+0x88/0x270
[ 273.567370][ T6407] do_new_mount+0x24a/0xa40
[ 273.571914][ T6407] __se_sys_mount+0x2d6/0x3c0
[ 273.576627][ T6407] ? __x64_sys_mount+0xc0/0xc0
[ 273.581788][ T6407] ? lockdep_hardirqs_on+0x94/0x140
[ 273.587024][ T6407] ? __x64_sys_mount+0x1c/0xc0
[ 273.591831][ T6407] do_syscall_64+0x4c/0xa0
[ 273.596587][ T6407] ? clear_bhb_loop+0x30/0x80
[ 273.601295][ T6407] ? clear_bhb_loop+0x30/0x80
[ 273.606039][ T6407] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.612072][ T6407] RIP: 0033:0x7f2939f6690a
[ 273.616597][ T6407] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 273.636315][ T6407] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.644776][ T6407] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 273.652774][ T6407] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 273.660860][ T6407] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 273.668954][ T6407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 273.677033][ T6407] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 273.685042][ T6407]
[ 273.688841][ T6407] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.702121][ T6407] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/06/24 21:50:14 executed programs: 392
[ 274.115975][ T6413] loop5: detected capacity change from 0 to 32768
[ 274.221663][ T6417] loop1: detected capacity change from 0 to 32768
[ 274.366334][ T6417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.373831][ T6417] CPU: 1 PID: 6417 Comm: syz.1.398 Not tainted 5.15.185-syzkaller #0
[ 274.382043][ T6417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 274.392150][ T6417] Call Trace:
[ 274.395471][ T6417]
[ 274.398526][ T6417] dump_stack_lvl+0x168/0x230
[ 274.403247][ T6417] ? show_regs_print_info+0x20/0x20
[ 274.408488][ T6417] ? load_image+0x3b0/0x3b0
[ 274.413089][ T6417] sysfs_create_dir_ns+0x252/0x280
[ 274.418245][ T6417] ? __lock_acquire+0x7c60/0x7c60
[ 274.423430][ T6417] ? sysfs_warn_dup+0xa0/0xa0
[ 274.428152][ T6417] ? do_raw_spin_unlock+0x11d/0x230
[ 274.433390][ T6417] kobject_add_internal+0x662/0xd00
[ 274.438729][ T6417] kobject_init_and_add+0x122/0x190
[ 274.443975][ T6417] ? lockdep_softirqs_off+0x420/0x420
[ 274.449489][ T6417] ? kobject_add+0x210/0x210
[ 274.454121][ T6417] ? __init_swait_queue_head+0xa5/0x150
[ 274.459702][ T6417] gfs2_sys_fs_add+0x234/0x480
[ 274.464609][ T6417] ? gfs2_recover_set+0x240/0x240
[ 274.469834][ T6417] ? snprintf+0xd7/0x120
[ 274.474115][ T6417] ? __free_pages+0x95/0x1a0
[ 274.478842][ T6417] ? vscnprintf+0x80/0x80
[ 274.483211][ T6417] gfs2_fill_super+0x128d/0x1f50
[ 274.488204][ T6417] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.493400][ T6417] ? preempt_count_add+0x8d/0x190
[ 274.498651][ T6417] ? sb_set_blocksize+0xa5/0xe0
[ 274.503633][ T6417] get_tree_bdev+0x3f1/0x610
[ 274.508272][ T6417] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.513337][ T6417] gfs2_get_tree+0x4d/0x1e0
[ 274.517970][ T6417] vfs_get_tree+0x88/0x270
[ 274.522428][ T6417] do_new_mount+0x24a/0xa40
[ 274.527068][ T6417] __se_sys_mount+0x2d6/0x3c0
[ 274.531794][ T6417] ? __x64_sys_mount+0xc0/0xc0
[ 274.536721][ T6417] ? lockdep_hardirqs_on+0x94/0x140
[ 274.541997][ T6417] ? __x64_sys_mount+0x1c/0xc0
[ 274.546812][ T6417] do_syscall_64+0x4c/0xa0
[ 274.551303][ T6417] ? clear_bhb_loop+0x30/0x80
[ 274.556045][ T6417] ? clear_bhb_loop+0x30/0x80
[ 274.560759][ T6417] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.566847][ T6417] RIP: 0033:0x7f135335e90a
[ 274.571376][ T6417] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 274.591097][ T6417] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.599766][ T6417] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 274.607872][ T6417] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 274.615964][ T6417] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 274.623967][ T6417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 274.632099][ T6417] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 274.640458][ T6417]
[ 274.645088][ T6417] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.658902][ T6417] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.674775][ T6413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.682200][ T6413] CPU: 0 PID: 6413 Comm: syz.5.396 Not tainted 5.15.185-syzkaller #0
[ 274.690425][ T6413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 274.700511][ T6413] Call Trace:
[ 274.703821][ T6413]
[ 274.706774][ T6413] dump_stack_lvl+0x168/0x230
[ 274.711668][ T6413] ? show_regs_print_info+0x20/0x20
[ 274.716895][ T6413] ? load_image+0x3b0/0x3b0
[ 274.721435][ T6413] sysfs_create_dir_ns+0x252/0x280
[ 274.726573][ T6413] ? __lock_acquire+0x7c60/0x7c60
[ 274.731623][ T6413] ? sysfs_warn_dup+0xa0/0xa0
[ 274.736325][ T6413] ? do_raw_spin_unlock+0x11d/0x230
[ 274.741549][ T6413] kobject_add_internal+0x662/0xd00
[ 274.746869][ T6413] kobject_init_and_add+0x122/0x190
[ 274.752093][ T6413] ? lockdep_softirqs_off+0x420/0x420
[ 274.757496][ T6413] ? kobject_add+0x210/0x210
[ 274.762471][ T6413] ? __init_swait_queue_head+0xa5/0x150
[ 274.768263][ T6413] gfs2_sys_fs_add+0x234/0x480
[ 274.773165][ T6413] ? gfs2_recover_set+0x240/0x240
[ 274.778409][ T6413] ? snprintf+0xd7/0x120
[ 274.782811][ T6413] ? __free_pages+0x95/0x1a0
[ 274.787436][ T6413] ? vscnprintf+0x80/0x80
[ 274.791844][ T6413] gfs2_fill_super+0x128d/0x1f50
[ 274.796827][ T6413] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.801997][ T6413] ? preempt_count_add+0x8d/0x190
[ 274.807150][ T6413] ? sb_set_blocksize+0xa5/0xe0
[ 274.812040][ T6413] get_tree_bdev+0x3f1/0x610
[ 274.816661][ T6413] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.821723][ T6413] gfs2_get_tree+0x4d/0x1e0
[ 274.826483][ T6413] vfs_get_tree+0x88/0x270
[ 274.830936][ T6413] do_new_mount+0x24a/0xa40
[ 274.835480][ T6413] __se_sys_mount+0x2d6/0x3c0
[ 274.840282][ T6413] ? __x64_sys_mount+0xc0/0xc0
[ 274.845123][ T6413] ? lockdep_hardirqs_on+0x94/0x140
[ 274.850396][ T6413] ? __x64_sys_mount+0x1c/0xc0
[ 274.855409][ T6413] do_syscall_64+0x4c/0xa0
[ 274.859872][ T6413] ? clear_bhb_loop+0x30/0x80
[ 274.864699][ T6413] ? clear_bhb_loop+0x30/0x80
[ 274.869502][ T6413] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.875442][ T6413] RIP: 0033:0x7f4ee4b1c90a
[ 274.879892][ T6413] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 274.899630][ T6413] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.908080][ T6413] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 274.916189][ T6413] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 274.924279][ T6413] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 274.932284][ T6413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 274.940284][ T6413] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 274.948304][ T6413]
[ 274.952720][ T6413] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.966531][ T6413] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.571845][ T6431] loop5: detected capacity change from 0 to 32768
[ 275.596416][ T6431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.603936][ T6431] CPU: 0 PID: 6431 Comm: syz.5.402 Not tainted 5.15.185-syzkaller #0
[ 275.612277][ T6431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 275.622463][ T6431] Call Trace:
[ 275.625802][ T6431]
[ 275.628981][ T6431] dump_stack_lvl+0x168/0x230
[ 275.633709][ T6431] ? show_regs_print_info+0x20/0x20
[ 275.639080][ T6431] ? load_image+0x3b0/0x3b0
[ 275.643625][ T6431] sysfs_create_dir_ns+0x252/0x280
[ 275.648873][ T6431] ? __lock_acquire+0x7c60/0x7c60
[ 275.653935][ T6431] ? sysfs_warn_dup+0xa0/0xa0
[ 275.658649][ T6431] ? do_raw_spin_unlock+0x11d/0x230
[ 275.663977][ T6431] kobject_add_internal+0x662/0xd00
[ 275.669406][ T6431] kobject_init_and_add+0x122/0x190
[ 275.674656][ T6431] ? lockdep_softirqs_off+0x420/0x420
[ 275.680432][ T6431] ? kobject_add+0x210/0x210
[ 275.685164][ T6431] ? __init_swait_queue_head+0xa5/0x150
[ 275.690769][ T6431] gfs2_sys_fs_add+0x234/0x480
[ 275.695570][ T6431] ? gfs2_recover_set+0x240/0x240
[ 275.700631][ T6431] ? snprintf+0xd7/0x120
[ 275.704909][ T6431] ? __free_pages+0x95/0x1a0
[ 275.709631][ T6431] ? vscnprintf+0x80/0x80
[ 275.714028][ T6431] gfs2_fill_super+0x128d/0x1f50
[ 275.719030][ T6431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.724096][ T6431] ? preempt_count_add+0x8d/0x190
[ 275.729187][ T6431] ? sb_set_blocksize+0xa5/0xe0
[ 275.734158][ T6431] get_tree_bdev+0x3f1/0x610
[ 275.738791][ T6431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.743856][ T6431] gfs2_get_tree+0x4d/0x1e0
[ 275.748399][ T6431] vfs_get_tree+0x88/0x270
[ 275.752854][ T6431] do_new_mount+0x24a/0xa40
[ 275.757393][ T6431] __se_sys_mount+0x2d6/0x3c0
[ 275.762110][ T6431] ? __x64_sys_mount+0xc0/0xc0
[ 275.766906][ T6431] ? lockdep_hardirqs_on+0x94/0x140
[ 275.772140][ T6431] ? __x64_sys_mount+0x1c/0xc0
[ 275.776940][ T6431] do_syscall_64+0x4c/0xa0
[ 275.781791][ T6431] ? clear_bhb_loop+0x30/0x80
[ 275.786504][ T6431] ? clear_bhb_loop+0x30/0x80
[ 275.791214][ T6431] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.797258][ T6431] RIP: 0033:0x7f4ee4b1c90a
[ 275.801917][ T6431] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 275.821552][ T6431] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.830005][ T6431] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 275.838100][ T6431] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 275.846102][ T6431] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 275.854333][ T6431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 275.862527][ T6431] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 275.870557][ T6431]
[ 275.874536][ T6431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.888056][ T6431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.057475][ T6416] loop4: detected capacity change from 0 to 32768
[ 276.160918][ T6416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.220570][ T6416] CPU: 0 PID: 6416 Comm: syz.4.399 Not tainted 5.15.185-syzkaller #0
[ 276.228718][ T6416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 276.238807][ T6416] Call Trace:
[ 276.242388][ T6416]
[ 276.245436][ T6416] dump_stack_lvl+0x168/0x230
[ 276.250149][ T6416] ? show_regs_print_info+0x20/0x20
[ 276.255375][ T6416] ? load_image+0x3b0/0x3b0
[ 276.260103][ T6416] sysfs_create_dir_ns+0x252/0x280
[ 276.265236][ T6416] ? __lock_acquire+0x7c60/0x7c60
[ 276.270290][ T6416] ? sysfs_warn_dup+0xa0/0xa0
[ 276.274998][ T6416] ? do_raw_spin_unlock+0x11d/0x230
[ 276.280221][ T6416] kobject_add_internal+0x662/0xd00
[ 276.285454][ T6416] kobject_init_and_add+0x122/0x190
[ 276.290786][ T6416] ? lockdep_softirqs_off+0x420/0x420
[ 276.296278][ T6416] ? kobject_add+0x210/0x210
[ 276.300993][ T6416] ? __init_swait_queue_head+0xa5/0x150
[ 276.306571][ T6416] gfs2_sys_fs_add+0x234/0x480
[ 276.311365][ T6416] ? gfs2_recover_set+0x240/0x240
[ 276.316408][ T6416] ? snprintf+0xd7/0x120
[ 276.320673][ T6416] ? __free_pages+0x95/0x1a0
[ 276.325305][ T6416] ? vscnprintf+0x80/0x80
[ 276.329665][ T6416] gfs2_fill_super+0x128d/0x1f50
[ 276.334644][ T6416] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.339706][ T6416] ? preempt_count_add+0x8d/0x190
[ 276.344853][ T6416] ? sb_set_blocksize+0xa5/0xe0
[ 276.349765][ T6416] get_tree_bdev+0x3f1/0x610
[ 276.354383][ T6416] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.359522][ T6416] gfs2_get_tree+0x4d/0x1e0
[ 276.364053][ T6416] vfs_get_tree+0x88/0x270
[ 276.368492][ T6416] do_new_mount+0x24a/0xa40
[ 276.373116][ T6416] __se_sys_mount+0x2d6/0x3c0
[ 276.377853][ T6416] ? __x64_sys_mount+0xc0/0xc0
[ 276.382646][ T6416] ? lockdep_hardirqs_on+0x94/0x140
[ 276.387880][ T6416] ? __x64_sys_mount+0x1c/0xc0
[ 276.392680][ T6416] do_syscall_64+0x4c/0xa0
[ 276.397115][ T6416] ? clear_bhb_loop+0x30/0x80
[ 276.401973][ T6416] ? clear_bhb_loop+0x30/0x80
[ 276.406658][ T6416] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 276.412572][ T6416] RIP: 0033:0x7f04a215590a
[ 276.417141][ T6416] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 276.437102][ T6416] RSP: 002b:00007f04a13a3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.445538][ T6416] RAX: ffffffffffffffda RBX: 00007f04a13a3ef0 RCX: 00007f04a215590a
[ 276.453613][ T6416] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13a3eb0
[ 276.461593][ T6416] RBP: 0000200000000400 R08: 00007f04a13a3ef0 R09: 0000000000000000
[ 276.469573][ T6416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 276.477706][ T6416] R13: 00007f04a13a3eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 276.485844][ T6416]
[ 276.995165][ T6440] loop2: detected capacity change from 0 to 32768
[ 277.003803][ T6416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.017389][ T6416] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.238740][ T6442] loop5: detected capacity change from 0 to 32768
[ 277.281889][ T6440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.291071][ T6440] CPU: 1 PID: 6440 Comm: syz.2.405 Not tainted 5.15.185-syzkaller #0
[ 277.299331][ T6440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 277.309515][ T6440] Call Trace:
[ 277.312968][ T6440]
[ 277.315922][ T6440] dump_stack_lvl+0x168/0x230
[ 277.320757][ T6440] ? show_regs_print_info+0x20/0x20
[ 277.325984][ T6440] ? load_image+0x3b0/0x3b0
[ 277.330528][ T6440] sysfs_create_dir_ns+0x252/0x280
[ 277.335860][ T6440] ? __lock_acquire+0x7c60/0x7c60
[ 277.341036][ T6440] ? sysfs_warn_dup+0xa0/0xa0
[ 277.345756][ T6440] ? do_raw_spin_unlock+0x11d/0x230
[ 277.346505][ T6442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.350994][ T6440] kobject_add_internal+0x662/0xd00
[ 277.363749][ T6440] kobject_init_and_add+0x122/0x190
[ 277.368968][ T6440] ? lockdep_softirqs_off+0x420/0x420
[ 277.374524][ T6440] ? kobject_add+0x210/0x210
[ 277.379331][ T6440] ? __init_swait_queue_head+0xa5/0x150
[ 277.384903][ T6440] gfs2_sys_fs_add+0x234/0x480
[ 277.389694][ T6440] ? gfs2_recover_set+0x240/0x240
[ 277.394730][ T6440] ? snprintf+0xd7/0x120
[ 277.398983][ T6440] ? __free_pages+0x95/0x1a0
[ 277.403677][ T6440] ? vscnprintf+0x80/0x80
[ 277.408114][ T6440] gfs2_fill_super+0x128d/0x1f50
[ 277.413197][ T6440] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.418322][ T6440] ? preempt_count_add+0x8d/0x190
[ 277.423448][ T6440] ? sb_set_blocksize+0xa5/0xe0
[ 277.428412][ T6440] get_tree_bdev+0x3f1/0x610
[ 277.433126][ T6440] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.438168][ T6440] gfs2_get_tree+0x4d/0x1e0
[ 277.442686][ T6440] vfs_get_tree+0x88/0x270
[ 277.447112][ T6440] do_new_mount+0x24a/0xa40
[ 277.451659][ T6440] __se_sys_mount+0x2d6/0x3c0
[ 277.456357][ T6440] ? __x64_sys_mount+0xc0/0xc0
[ 277.461133][ T6440] ? lockdep_hardirqs_on+0x94/0x140
[ 277.466347][ T6440] ? __x64_sys_mount+0x1c/0xc0
[ 277.471327][ T6440] do_syscall_64+0x4c/0xa0
[ 277.475763][ T6440] ? clear_bhb_loop+0x30/0x80
[ 277.480555][ T6440] ? clear_bhb_loop+0x30/0x80
[ 277.485329][ T6440] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.491419][ T6440] RIP: 0033:0x7f3360a9890a
[ 277.495850][ T6440] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 277.515902][ T6440] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.524333][ T6440] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 277.532320][ T6440] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 277.540398][ T6440] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 277.548394][ T6440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 277.556645][ T6440] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 277.564658][ T6440]
[ 277.567693][ T6442] CPU: 0 PID: 6442 Comm: syz.5.404 Not tainted 5.15.185-syzkaller #0
[ 277.567806][ T6440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.575899][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 277.575915][ T6442] Call Trace:
[ 277.575924][ T6442]
[ 277.575934][ T6442] dump_stack_lvl+0x168/0x230
[ 277.589415][ T6440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.599512][ T6442] ? show_regs_print_info+0x20/0x20
[ 277.599543][ T6442] ? load_image+0x3b0/0x3b0
[ 277.627148][ T6442] sysfs_create_dir_ns+0x252/0x280
[ 277.632314][ T6442] ? __lock_acquire+0x7c60/0x7c60
[ 277.637427][ T6442] ? sysfs_warn_dup+0xa0/0xa0
[ 277.642143][ T6442] ? do_raw_spin_unlock+0x11d/0x230
[ 277.647383][ T6442] kobject_add_internal+0x662/0xd00
[ 277.652638][ T6442] kobject_init_and_add+0x122/0x190
[ 277.657863][ T6442] ? lockdep_softirqs_off+0x420/0x420
[ 277.663269][ T6442] ? kobject_add+0x210/0x210
[ 277.667891][ T6442] ? __init_swait_queue_head+0xa5/0x150
[ 277.673483][ T6442] gfs2_sys_fs_add+0x234/0x480
[ 277.678277][ T6442] ? gfs2_recover_set+0x240/0x240
[ 277.683343][ T6442] ? snprintf+0xd7/0x120
[ 277.687620][ T6442] ? __free_pages+0x95/0x1a0
[ 277.692254][ T6442] ? vscnprintf+0x80/0x80
[ 277.696727][ T6442] gfs2_fill_super+0x128d/0x1f50
[ 277.701723][ T6442] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.706784][ T6442] ? preempt_count_add+0x8d/0x190
[ 277.711950][ T6442] ? sb_set_blocksize+0xa5/0xe0
[ 277.716845][ T6442] get_tree_bdev+0x3f1/0x610
[ 277.721470][ T6442] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.726528][ T6442] gfs2_get_tree+0x4d/0x1e0
[ 277.731156][ T6442] vfs_get_tree+0x88/0x270
[ 277.735607][ T6442] do_new_mount+0x24a/0xa40
[ 277.740145][ T6442] __se_sys_mount+0x2d6/0x3c0
[ 277.744861][ T6442] ? __x64_sys_mount+0xc0/0xc0
[ 277.749748][ T6442] ? lockdep_hardirqs_on+0x94/0x140
[ 277.755072][ T6442] ? __x64_sys_mount+0x1c/0xc0
[ 277.759871][ T6442] do_syscall_64+0x4c/0xa0
[ 277.764314][ T6442] ? clear_bhb_loop+0x30/0x80
[ 277.769012][ T6442] ? clear_bhb_loop+0x30/0x80
[ 277.773844][ T6442] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.779771][ T6442] RIP: 0033:0x7f4ee4b1c90a
[ 277.784220][ T6442] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 277.803898][ T6442] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.812347][ T6442] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 277.820357][ T6442] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 277.828361][ T6442] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 277.836366][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 277.844810][ T6442] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 277.852833][ T6442]
[ 277.856524][ T6442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.869898][ T6442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.667988][ T6454] loop5: detected capacity change from 0 to 32768
[ 278.800093][ T6454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.808191][ T6454] CPU: 0 PID: 6454 Comm: syz.5.409 Not tainted 5.15.185-syzkaller #0
[ 278.816418][ T6454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 278.826592][ T6454] Call Trace:
[ 278.829895][ T6454]
[ 278.832849][ T6454] dump_stack_lvl+0x168/0x230
[ 278.837563][ T6454] ? show_regs_print_info+0x20/0x20
[ 278.842793][ T6454] ? load_image+0x3b0/0x3b0
[ 278.847429][ T6454] sysfs_create_dir_ns+0x252/0x280
[ 278.852572][ T6454] ? __lock_acquire+0x7c60/0x7c60
[ 278.857891][ T6454] ? sysfs_warn_dup+0xa0/0xa0
[ 278.862610][ T6454] ? do_raw_spin_unlock+0x11d/0x230
[ 278.867858][ T6454] kobject_add_internal+0x662/0xd00
[ 278.873111][ T6454] kobject_init_and_add+0x122/0x190
[ 278.878439][ T6454] ? lockdep_softirqs_off+0x420/0x420
[ 278.883850][ T6454] ? kobject_add+0x210/0x210
[ 278.888470][ T6454] ? __init_swait_queue_head+0xa5/0x150
[ 278.894393][ T6454] gfs2_sys_fs_add+0x234/0x480
[ 278.899190][ T6454] ? gfs2_recover_set+0x240/0x240
[ 278.904324][ T6454] ? snprintf+0xd7/0x120
[ 278.908586][ T6454] ? __free_pages+0x95/0x1a0
[ 278.913213][ T6454] ? vscnprintf+0x80/0x80
[ 278.917575][ T6454] gfs2_fill_super+0x128d/0x1f50
[ 278.922734][ T6454] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.927800][ T6454] ? preempt_count_add+0x8d/0x190
[ 278.933001][ T6454] ? sb_set_blocksize+0xa5/0xe0
[ 278.937897][ T6454] get_tree_bdev+0x3f1/0x610
[ 278.942688][ T6454] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.947843][ T6454] gfs2_get_tree+0x4d/0x1e0
[ 278.952648][ T6454] vfs_get_tree+0x88/0x270
[ 278.957214][ T6454] do_new_mount+0x24a/0xa40
[ 278.961761][ T6454] __se_sys_mount+0x2d6/0x3c0
[ 278.966481][ T6454] ? __x64_sys_mount+0xc0/0xc0
[ 278.971377][ T6454] ? lockdep_hardirqs_on+0x94/0x140
[ 278.976632][ T6454] ? __x64_sys_mount+0x1c/0xc0
[ 278.981455][ T6454] do_syscall_64+0x4c/0xa0
[ 278.985909][ T6454] ? clear_bhb_loop+0x30/0x80
[ 278.990731][ T6454] ? clear_bhb_loop+0x30/0x80
[ 278.995533][ T6454] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.001649][ T6454] RIP: 0033:0x7f4ee4b1c90a
[ 279.006102][ T6454] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 279.026056][ T6454] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.034687][ T6454] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 279.042785][ T6454] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 279.051009][ T6454] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 279.059139][ T6454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 279.067304][ T6454] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 279.075327][ T6454]
[ 279.079393][ T6454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.093026][ T6454] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/06/24 21:50:20 executed programs: 405
[ 279.797533][ T6461] loop2: detected capacity change from 0 to 32768
[ 279.827966][ T6461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.836398][ T6461] CPU: 0 PID: 6461 Comm: syz.2.412 Not tainted 5.15.185-syzkaller #0
[ 279.844522][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 279.854700][ T6461] Call Trace:
[ 279.858005][ T6461]
[ 279.860956][ T6461] dump_stack_lvl+0x168/0x230
[ 279.865682][ T6461] ? show_regs_print_info+0x20/0x20
[ 279.870921][ T6461] ? load_image+0x3b0/0x3b0
[ 279.875464][ T6461] sysfs_create_dir_ns+0x252/0x280
[ 279.880618][ T6461] ? __lock_acquire+0x7c60/0x7c60
[ 279.885682][ T6461] ? sysfs_warn_dup+0xa0/0xa0
[ 279.890847][ T6461] ? do_raw_spin_unlock+0x11d/0x230
[ 279.896092][ T6461] kobject_add_internal+0x662/0xd00
[ 279.901336][ T6461] kobject_init_and_add+0x122/0x190
[ 279.906568][ T6461] ? lockdep_softirqs_off+0x420/0x420
[ 279.911984][ T6461] ? kobject_add+0x210/0x210
[ 279.916618][ T6461] ? __init_swait_queue_head+0xa5/0x150
[ 279.922380][ T6461] gfs2_sys_fs_add+0x234/0x480
[ 279.927264][ T6461] ? gfs2_recover_set+0x240/0x240
[ 279.932321][ T6461] ? snprintf+0xd7/0x120
[ 279.936623][ T6461] ? __free_pages+0x95/0x1a0
[ 279.941251][ T6461] ? vscnprintf+0x80/0x80
[ 279.945727][ T6461] gfs2_fill_super+0x128d/0x1f50
[ 279.950714][ T6461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.955774][ T6461] ? preempt_count_add+0x8d/0x190
[ 279.960836][ T6461] ? sb_set_blocksize+0xa5/0xe0
[ 279.965717][ T6461] get_tree_bdev+0x3f1/0x610
[ 279.970340][ T6461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.975593][ T6461] gfs2_get_tree+0x4d/0x1e0
[ 279.980118][ T6461] vfs_get_tree+0x88/0x270
[ 279.984656][ T6461] do_new_mount+0x24a/0xa40
[ 279.989187][ T6461] __se_sys_mount+0x2d6/0x3c0
[ 279.994073][ T6461] ? __x64_sys_mount+0xc0/0xc0
[ 279.998874][ T6461] ? lockdep_hardirqs_on+0x94/0x140
[ 280.004104][ T6461] ? __x64_sys_mount+0x1c/0xc0
[ 280.009145][ T6461] do_syscall_64+0x4c/0xa0
[ 280.013643][ T6461] ? clear_bhb_loop+0x30/0x80
[ 280.018531][ T6461] ? clear_bhb_loop+0x30/0x80
[ 280.023247][ T6461] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.029271][ T6461] RIP: 0033:0x7f3360a9890a
[ 280.033768][ T6461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 280.053689][ T6461] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.062408][ T6461] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 280.070501][ T6461] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 280.079200][ T6461] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 280.087384][ T6461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 280.095510][ T6461] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 280.103636][ T6461]
[ 280.107877][ T6461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.121382][ T6461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.183901][ T6465] loop3: detected capacity change from 0 to 32768
[ 280.206534][ T6465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.213964][ T6465] CPU: 1 PID: 6465 Comm: syz.3.413 Not tainted 5.15.185-syzkaller #0
[ 280.222151][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 280.232469][ T6465] Call Trace:
[ 280.235875][ T6465]
[ 280.238832][ T6465] dump_stack_lvl+0x168/0x230
[ 280.243634][ T6465] ? show_regs_print_info+0x20/0x20
[ 280.248979][ T6465] ? load_image+0x3b0/0x3b0
[ 280.253532][ T6465] sysfs_create_dir_ns+0x252/0x280
[ 280.258766][ T6465] ? __lock_acquire+0x7c60/0x7c60
[ 280.264281][ T6465] ? sysfs_warn_dup+0xa0/0xa0
[ 280.269100][ T6465] ? do_raw_spin_unlock+0x11d/0x230
[ 280.274345][ T6465] kobject_add_internal+0x662/0xd00
[ 280.279594][ T6465] kobject_init_and_add+0x122/0x190
[ 280.284822][ T6465] ? lockdep_softirqs_off+0x420/0x420
[ 280.290456][ T6465] ? kobject_add+0x210/0x210
[ 280.295365][ T6465] ? __init_swait_queue_head+0xa5/0x150
[ 280.301134][ T6465] gfs2_sys_fs_add+0x234/0x480
[ 280.306027][ T6465] ? gfs2_recover_set+0x240/0x240
[ 280.311094][ T6465] ? snprintf+0xd7/0x120
[ 280.315415][ T6465] ? __free_pages+0x95/0x1a0
[ 280.320036][ T6465] ? vscnprintf+0x80/0x80
[ 280.324578][ T6465] gfs2_fill_super+0x128d/0x1f50
[ 280.329570][ T6465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.334811][ T6465] ? preempt_count_add+0x8d/0x190
[ 280.339877][ T6465] ? sb_set_blocksize+0xa5/0xe0
[ 280.344861][ T6465] get_tree_bdev+0x3f1/0x610
[ 280.349491][ T6465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.354624][ T6465] gfs2_get_tree+0x4d/0x1e0
[ 280.359153][ T6465] vfs_get_tree+0x88/0x270
[ 280.363593][ T6465] do_new_mount+0x24a/0xa40
[ 280.368110][ T6465] __se_sys_mount+0x2d6/0x3c0
[ 280.372815][ T6465] ? __x64_sys_mount+0xc0/0xc0
[ 280.377687][ T6465] ? lockdep_hardirqs_on+0x94/0x140
[ 280.382896][ T6465] ? __x64_sys_mount+0x1c/0xc0
[ 280.387671][ T6465] do_syscall_64+0x4c/0xa0
[ 280.392197][ T6465] ? clear_bhb_loop+0x30/0x80
[ 280.396885][ T6465] ? clear_bhb_loop+0x30/0x80
[ 280.401744][ T6465] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.407748][ T6465] RIP: 0033:0x7f2939f6690a
[ 280.412178][ T6465] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 280.431897][ T6465] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.440331][ T6465] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 280.448517][ T6465] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 280.456645][ T6465] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 280.464645][ T6465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 280.473160][ T6465] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 280.481245][ T6465]
[ 280.485575][ T6465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.499226][ T6465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.004949][ T6476] loop2: detected capacity change from 0 to 32768
[ 281.087253][ T6476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.094958][ T6476] CPU: 1 PID: 6476 Comm: syz.2.417 Not tainted 5.15.185-syzkaller #0
[ 281.103061][ T6476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 281.113258][ T6476] Call Trace:
[ 281.116571][ T6476]
[ 281.119529][ T6476] dump_stack_lvl+0x168/0x230
[ 281.124333][ T6476] ? show_regs_print_info+0x20/0x20
[ 281.129822][ T6476] ? load_image+0x3b0/0x3b0
[ 281.134373][ T6476] sysfs_create_dir_ns+0x252/0x280
[ 281.139522][ T6476] ? __lock_acquire+0x7c60/0x7c60
[ 281.144580][ T6476] ? sysfs_warn_dup+0xa0/0xa0
[ 281.149292][ T6476] ? do_raw_spin_unlock+0x11d/0x230
[ 281.154528][ T6476] kobject_add_internal+0x662/0xd00
[ 281.159940][ T6476] kobject_init_and_add+0x122/0x190
[ 281.165254][ T6476] ? lockdep_softirqs_off+0x420/0x420
[ 281.170676][ T6476] ? kobject_add+0x210/0x210
[ 281.175477][ T6476] ? __init_swait_queue_head+0xa5/0x150
[ 281.181143][ T6476] gfs2_sys_fs_add+0x234/0x480
[ 281.185941][ T6476] ? gfs2_recover_set+0x240/0x240
[ 281.191002][ T6476] ? snprintf+0xd7/0x120
[ 281.195262][ T6476] ? __free_pages+0x95/0x1a0
[ 281.199885][ T6476] ? vscnprintf+0x80/0x80
[ 281.204375][ T6476] gfs2_fill_super+0x128d/0x1f50
[ 281.209451][ T6476] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.214505][ T6476] ? preempt_count_add+0x8d/0x190
[ 281.219830][ T6476] ? sb_set_blocksize+0xa5/0xe0
[ 281.224709][ T6476] get_tree_bdev+0x3f1/0x610
[ 281.229330][ T6476] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.234494][ T6476] gfs2_get_tree+0x4d/0x1e0
[ 281.239211][ T6476] vfs_get_tree+0x88/0x270
[ 281.243664][ T6476] do_new_mount+0x24a/0xa40
[ 281.248308][ T6476] __se_sys_mount+0x2d6/0x3c0
[ 281.253105][ T6476] ? __x64_sys_mount+0xc0/0xc0
[ 281.258118][ T6476] ? lockdep_hardirqs_on+0x94/0x140
[ 281.263519][ T6476] ? __x64_sys_mount+0x1c/0xc0
[ 281.268353][ T6476] do_syscall_64+0x4c/0xa0
[ 281.272800][ T6476] ? clear_bhb_loop+0x30/0x80
[ 281.277784][ T6476] ? clear_bhb_loop+0x30/0x80
[ 281.282535][ T6476] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.288560][ T6476] RIP: 0033:0x7f3360a9890a
[ 281.293099][ T6476] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 281.312742][ T6476] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.321287][ T6476] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 281.329404][ T6476] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 281.337674][ T6476] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 281.345760][ T6476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 281.353839][ T6476] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 281.361960][ T6476]
[ 281.367031][ T6476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.380393][ T6476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.857997][ T6481] loop3: detected capacity change from 0 to 32768
[ 281.907478][ T6481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.914957][ T6481] CPU: 1 PID: 6481 Comm: syz.3.419 Not tainted 5.15.185-syzkaller #0
[ 281.923056][ T6481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 281.933468][ T6481] Call Trace:
[ 281.936775][ T6481]
[ 281.939745][ T6481] dump_stack_lvl+0x168/0x230
[ 281.944635][ T6481] ? show_regs_print_info+0x20/0x20
[ 281.949856][ T6481] ? load_image+0x3b0/0x3b0
[ 281.954592][ T6481] sysfs_create_dir_ns+0x252/0x280
[ 281.959914][ T6481] ? __lock_acquire+0x7c60/0x7c60
[ 281.964977][ T6481] ? sysfs_warn_dup+0xa0/0xa0
[ 281.969696][ T6481] ? do_raw_spin_unlock+0x11d/0x230
[ 281.975231][ T6481] kobject_add_internal+0x662/0xd00
[ 281.980541][ T6481] kobject_init_and_add+0x122/0x190
[ 281.985774][ T6481] ? lockdep_softirqs_off+0x420/0x420
[ 281.991380][ T6481] ? kobject_add+0x210/0x210
[ 281.996642][ T6481] ? __init_swait_queue_head+0xa5/0x150
[ 282.002237][ T6481] gfs2_sys_fs_add+0x234/0x480
[ 282.007124][ T6481] ? gfs2_recover_set+0x240/0x240
[ 282.012438][ T6481] ? snprintf+0xd7/0x120
[ 282.016796][ T6481] ? __free_pages+0x95/0x1a0
[ 282.021059][ T6486] loop2: detected capacity change from 0 to 32768
[ 282.021505][ T6481] ? vscnprintf+0x80/0x80
[ 282.032587][ T6481] gfs2_fill_super+0x128d/0x1f50
[ 282.037587][ T6481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.042652][ T6481] ? preempt_count_add+0x8d/0x190
[ 282.047815][ T6481] ? sb_set_blocksize+0xa5/0xe0
[ 282.052698][ T6481] get_tree_bdev+0x3f1/0x610
[ 282.057345][ T6481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.062403][ T6481] gfs2_get_tree+0x4d/0x1e0
[ 282.066935][ T6481] vfs_get_tree+0x88/0x270
[ 282.071374][ T6481] do_new_mount+0x24a/0xa40
[ 282.075903][ T6481] __se_sys_mount+0x2d6/0x3c0
[ 282.080612][ T6481] ? __x64_sys_mount+0xc0/0xc0
[ 282.085403][ T6481] ? lockdep_hardirqs_on+0x94/0x140
[ 282.090630][ T6481] ? __x64_sys_mount+0x1c/0xc0
[ 282.095436][ T6481] do_syscall_64+0x4c/0xa0
[ 282.099886][ T6481] ? clear_bhb_loop+0x30/0x80
[ 282.104602][ T6481] ? clear_bhb_loop+0x30/0x80
[ 282.109321][ T6481] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.115277][ T6481] RIP: 0033:0x7f2939f6690a
[ 282.120316][ T6481] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 282.140241][ T6481] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.148708][ T6481] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 282.156859][ T6481] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 282.164967][ T6481] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 282.173060][ T6481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 282.181060][ T6481] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 282.189325][ T6481]
[ 282.194357][ T6481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.207773][ T6481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.268074][ T6486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.275652][ T6486] CPU: 0 PID: 6486 Comm: syz.2.420 Not tainted 5.15.185-syzkaller #0
[ 282.283964][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 282.294272][ T6486] Call Trace:
[ 282.297591][ T6486]
[ 282.300559][ T6486] dump_stack_lvl+0x168/0x230
[ 282.305388][ T6486] ? show_regs_print_info+0x20/0x20
[ 282.310732][ T6486] ? load_image+0x3b0/0x3b0
[ 282.315433][ T6486] sysfs_create_dir_ns+0x252/0x280
[ 282.320703][ T6486] ? __lock_acquire+0x7c60/0x7c60
[ 282.325789][ T6486] ? sysfs_warn_dup+0xa0/0xa0
[ 282.330692][ T6486] ? do_raw_spin_unlock+0x11d/0x230
[ 282.336053][ T6486] kobject_add_internal+0x662/0xd00
[ 282.341426][ T6486] kobject_init_and_add+0x122/0x190
[ 282.346673][ T6486] ? lockdep_softirqs_off+0x420/0x420
[ 282.352103][ T6486] ? kobject_add+0x210/0x210
[ 282.356805][ T6486] ? __init_swait_queue_head+0xa5/0x150
[ 282.362422][ T6486] gfs2_sys_fs_add+0x234/0x480
[ 282.367236][ T6486] ? gfs2_recover_set+0x240/0x240
[ 282.372311][ T6486] ? snprintf+0xd7/0x120
[ 282.376609][ T6486] ? __free_pages+0x95/0x1a0
[ 282.381260][ T6486] ? vscnprintf+0x80/0x80
[ 282.386421][ T6486] gfs2_fill_super+0x128d/0x1f50
[ 282.391459][ T6486] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.396933][ T6486] ? preempt_count_add+0x8d/0x190
[ 282.402019][ T6486] ? sb_set_blocksize+0xa5/0xe0
[ 282.406914][ T6486] get_tree_bdev+0x3f1/0x610
[ 282.411547][ T6486] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.416610][ T6486] gfs2_get_tree+0x4d/0x1e0
[ 282.421150][ T6486] vfs_get_tree+0x88/0x270
[ 282.425614][ T6486] do_new_mount+0x24a/0xa40
[ 282.430158][ T6486] __se_sys_mount+0x2d6/0x3c0
[ 282.434892][ T6486] ? __x64_sys_mount+0xc0/0xc0
[ 282.439692][ T6486] ? lockdep_hardirqs_on+0x94/0x140
[ 282.445098][ T6486] ? __x64_sys_mount+0x1c/0xc0
[ 282.450151][ T6486] do_syscall_64+0x4c/0xa0
[ 282.454735][ T6486] ? clear_bhb_loop+0x30/0x80
[ 282.459445][ T6486] ? clear_bhb_loop+0x30/0x80
[ 282.464244][ T6486] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.470344][ T6486] RIP: 0033:0x7f3360a9890a
[ 282.474930][ T6486] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 282.495368][ T6486] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.503849][ T6486] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 282.512036][ T6486] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 282.520373][ T6486] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 282.528383][ T6486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 282.536938][ T6486] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 282.544970][ T6486]
[ 282.549010][ T6486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.562580][ T6486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.650251][ T6489] loop4: detected capacity change from 0 to 32768
[ 282.734651][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.742087][ T6489] CPU: 1 PID: 6489 Comm: syz.4.421 Not tainted 5.15.185-syzkaller #0
[ 282.750281][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 282.760372][ T6489] Call Trace:
[ 282.763673][ T6489]
[ 282.766670][ T6489] dump_stack_lvl+0x168/0x230
[ 282.771485][ T6489] ? show_regs_print_info+0x20/0x20
[ 282.777076][ T6489] ? load_image+0x3b0/0x3b0
[ 282.781818][ T6489] sysfs_create_dir_ns+0x252/0x280
[ 282.787063][ T6489] ? __lock_acquire+0x7c60/0x7c60
[ 282.792148][ T6489] ? sysfs_warn_dup+0xa0/0xa0
[ 282.796860][ T6489] ? do_raw_spin_unlock+0x11d/0x230
[ 282.802102][ T6489] kobject_add_internal+0x662/0xd00
[ 282.807363][ T6489] kobject_init_and_add+0x122/0x190
[ 282.812602][ T6489] ? lockdep_softirqs_off+0x420/0x420
[ 282.818167][ T6489] ? kobject_add+0x210/0x210
[ 282.822801][ T6489] ? __init_swait_queue_head+0xa5/0x150
[ 282.828480][ T6489] gfs2_sys_fs_add+0x234/0x480
[ 282.833286][ T6489] ? gfs2_recover_set+0x240/0x240
[ 282.838348][ T6489] ? snprintf+0xd7/0x120
[ 282.840863][ T6469] loop1: detected capacity change from 0 to 32768
[ 282.842623][ T6489] ? __free_pages+0x95/0x1a0
[ 282.842657][ T6489] ? vscnprintf+0x80/0x80
[ 282.858121][ T6489] gfs2_fill_super+0x128d/0x1f50
[ 282.863321][ T6489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.868381][ T6489] ? preempt_count_add+0x8d/0x190
[ 282.873543][ T6489] ? sb_set_blocksize+0xa5/0xe0
[ 282.878531][ T6489] get_tree_bdev+0x3f1/0x610
[ 282.883168][ T6489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.888247][ T6489] gfs2_get_tree+0x4d/0x1e0
[ 282.892790][ T6489] vfs_get_tree+0x88/0x270
[ 282.897369][ T6489] do_new_mount+0x24a/0xa40
[ 282.901919][ T6489] __se_sys_mount+0x2d6/0x3c0
[ 282.906631][ T6489] ? __x64_sys_mount+0xc0/0xc0
[ 282.911572][ T6489] ? lockdep_hardirqs_on+0x94/0x140
[ 282.916805][ T6489] ? __x64_sys_mount+0x1c/0xc0
[ 282.921603][ T6489] do_syscall_64+0x4c/0xa0
[ 282.926055][ T6489] ? clear_bhb_loop+0x30/0x80
[ 282.930769][ T6489] ? clear_bhb_loop+0x30/0x80
[ 282.935519][ T6489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.941553][ T6489] RIP: 0033:0x7f04a215590a
[ 282.946360][ T6489] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 282.966099][ T6489] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.974559][ T6489] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 282.982754][ T6489] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 282.990760][ T6489] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 282.998939][ T6489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 283.007289][ T6489] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 283.015340][ T6489]
[ 283.019916][ T6489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.033320][ T6489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.344964][ T6494] loop5: detected capacity change from 0 to 32768
[ 283.383620][ T6495] loop3: detected capacity change from 0 to 32768
[ 283.414774][ T6494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.422510][ T6494] CPU: 0 PID: 6494 Comm: syz.5.423 Not tainted 5.15.185-syzkaller #0
[ 283.430785][ T6494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 283.440969][ T6494] Call Trace:
[ 283.444362][ T6494]
[ 283.447402][ T6494] dump_stack_lvl+0x168/0x230
[ 283.452108][ T6494] ? show_regs_print_info+0x20/0x20
[ 283.457344][ T6494] ? load_image+0x3b0/0x3b0
[ 283.462007][ T6494] sysfs_create_dir_ns+0x252/0x280
[ 283.467183][ T6494] ? __lock_acquire+0x7c60/0x7c60
[ 283.472301][ T6494] ? sysfs_warn_dup+0xa0/0xa0
[ 283.477030][ T6494] ? do_raw_spin_unlock+0x11d/0x230
[ 283.482296][ T6494] kobject_add_internal+0x662/0xd00
[ 283.487562][ T6494] kobject_init_and_add+0x122/0x190
[ 283.492891][ T6494] ? lockdep_softirqs_off+0x420/0x420
[ 283.498314][ T6494] ? kobject_add+0x210/0x210
[ 283.503039][ T6494] ? __init_swait_queue_head+0xa5/0x150
[ 283.508640][ T6494] gfs2_sys_fs_add+0x234/0x480
[ 283.513463][ T6494] ? gfs2_recover_set+0x240/0x240
[ 283.518534][ T6494] ? snprintf+0xd7/0x120
[ 283.522813][ T6494] ? __free_pages+0x95/0x1a0
[ 283.527540][ T6494] ? vscnprintf+0x80/0x80
[ 283.527928][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.531919][ T6494] gfs2_fill_super+0x128d/0x1f50
[ 283.531970][ T6494] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.549411][ T6494] ? preempt_count_add+0x8d/0x190
[ 283.554496][ T6494] ? sb_set_blocksize+0xa5/0xe0
[ 283.559450][ T6494] get_tree_bdev+0x3f1/0x610
[ 283.564490][ T6494] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.569810][ T6494] gfs2_get_tree+0x4d/0x1e0
[ 283.574339][ T6494] vfs_get_tree+0x88/0x270
[ 283.578784][ T6494] do_new_mount+0x24a/0xa40
[ 283.583348][ T6494] __se_sys_mount+0x2d6/0x3c0
[ 283.588185][ T6494] ? __x64_sys_mount+0xc0/0xc0
[ 283.592964][ T6494] ? lockdep_hardirqs_on+0x94/0x140
[ 283.598177][ T6494] ? __x64_sys_mount+0x1c/0xc0
[ 283.602979][ T6494] do_syscall_64+0x4c/0xa0
[ 283.607560][ T6494] ? clear_bhb_loop+0x30/0x80
[ 283.612298][ T6494] ? clear_bhb_loop+0x30/0x80
[ 283.617004][ T6494] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.623095][ T6494] RIP: 0033:0x7f4ee4b1c90a
[ 283.627676][ T6494] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 283.648002][ T6494] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.656433][ T6494] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 283.664502][ T6494] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 283.672830][ T6494] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 283.680896][ T6494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 283.688872][ T6494] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 283.696867][ T6494]
[ 283.699899][ T6495] CPU: 1 PID: 6495 Comm: syz.3.422 Not tainted 5.15.185-syzkaller #0
[ 283.699999][ T6494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.707983][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 283.707998][ T6495] Call Trace:
[ 283.708006][ T6495]
[ 283.708015][ T6495] dump_stack_lvl+0x168/0x230
[ 283.721252][ T6494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.731570][ T6495] ? show_regs_print_info+0x20/0x20
[ 283.731598][ T6495] ? load_image+0x3b0/0x3b0
[ 283.758765][ T6495] sysfs_create_dir_ns+0x252/0x280
[ 283.763909][ T6495] ? __lock_acquire+0x7c60/0x7c60
[ 283.768961][ T6495] ? sysfs_warn_dup+0xa0/0xa0
[ 283.773966][ T6495] ? do_raw_spin_unlock+0x11d/0x230
[ 283.779193][ T6495] kobject_add_internal+0x662/0xd00
[ 283.784450][ T6495] kobject_init_and_add+0x122/0x190
[ 283.789897][ T6495] ? lockdep_softirqs_off+0x420/0x420
[ 283.795409][ T6495] ? kobject_add+0x210/0x210
[ 283.800033][ T6495] ? __init_swait_queue_head+0xa5/0x150
[ 283.805622][ T6495] gfs2_sys_fs_add+0x234/0x480
[ 283.810520][ T6495] ? gfs2_recover_set+0x240/0x240
[ 283.815567][ T6495] ? snprintf+0xd7/0x120
[ 283.819960][ T6495] ? __free_pages+0x95/0x1a0
[ 283.824932][ T6495] ? vscnprintf+0x80/0x80
[ 283.829302][ T6495] gfs2_fill_super+0x128d/0x1f50
[ 283.834379][ T6495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.839447][ T6495] ? preempt_count_add+0x8d/0x190
[ 283.844662][ T6495] ? sb_set_blocksize+0xa5/0xe0
[ 283.849704][ T6495] get_tree_bdev+0x3f1/0x610
[ 283.854358][ T6495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.859440][ T6495] gfs2_get_tree+0x4d/0x1e0
[ 283.863991][ T6495] vfs_get_tree+0x88/0x270
[ 283.868455][ T6495] do_new_mount+0x24a/0xa40
[ 283.873104][ T6495] __se_sys_mount+0x2d6/0x3c0
[ 283.877922][ T6495] ? __x64_sys_mount+0xc0/0xc0
[ 283.882859][ T6495] ? lockdep_hardirqs_on+0x94/0x140
[ 283.888311][ T6495] ? __x64_sys_mount+0x1c/0xc0
[ 283.893211][ T6495] do_syscall_64+0x4c/0xa0
[ 283.897674][ T6495] ? clear_bhb_loop+0x30/0x80
[ 283.902416][ T6495] ? clear_bhb_loop+0x30/0x80
[ 283.907136][ T6495] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.913211][ T6495] RIP: 0033:0x7f2939f6690a
[ 283.917667][ T6495] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 283.937927][ T6495] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.946469][ T6495] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 283.954923][ T6495] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 283.963043][ T6495] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 283.971053][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 283.979066][ T6495] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 283.987188][ T6495]
[ 283.993001][ T6495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.006542][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.304596][ T6502] loop4: detected capacity change from 0 to 32768
[ 284.456712][ T6502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.464143][ T6502] CPU: 0 PID: 6502 Comm: syz.4.426 Not tainted 5.15.185-syzkaller #0
[ 284.472326][ T6502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 284.482504][ T6502] Call Trace:
[ 284.485818][ T6502]
[ 284.488778][ T6502] dump_stack_lvl+0x168/0x230
[ 284.493495][ T6502] ? show_regs_print_info+0x20/0x20
[ 284.498718][ T6502] ? load_image+0x3b0/0x3b0
[ 284.503265][ T6502] sysfs_create_dir_ns+0x252/0x280
[ 284.508413][ T6502] ? __lock_acquire+0x7c60/0x7c60
[ 284.513528][ T6502] ? sysfs_warn_dup+0xa0/0xa0
[ 284.518239][ T6502] ? do_raw_spin_unlock+0x11d/0x230
[ 284.523464][ T6502] kobject_add_internal+0x662/0xd00
[ 284.528700][ T6502] kobject_init_and_add+0x122/0x190
[ 284.533924][ T6502] ? lockdep_softirqs_off+0x420/0x420
[ 284.539332][ T6502] ? kobject_add+0x210/0x210
[ 284.543965][ T6502] ? __init_swait_queue_head+0xa5/0x150
[ 284.549716][ T6502] gfs2_sys_fs_add+0x234/0x480
[ 284.554507][ T6502] ? gfs2_recover_set+0x240/0x240
[ 284.559551][ T6502] ? snprintf+0xd7/0x120
[ 284.564057][ T6502] ? __free_pages+0x95/0x1a0
[ 284.568666][ T6502] ? vscnprintf+0x80/0x80
[ 284.573014][ T6502] gfs2_fill_super+0x128d/0x1f50
[ 284.578150][ T6502] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.583283][ T6502] ? preempt_count_add+0x8d/0x190
[ 284.588412][ T6502] ? sb_set_blocksize+0xa5/0xe0
[ 284.593273][ T6502] get_tree_bdev+0x3f1/0x610
[ 284.597958][ T6502] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.602998][ T6502] gfs2_get_tree+0x4d/0x1e0
[ 284.607606][ T6502] vfs_get_tree+0x88/0x270
[ 284.612039][ T6502] do_new_mount+0x24a/0xa40
[ 284.616644][ T6502] __se_sys_mount+0x2d6/0x3c0
[ 284.621332][ T6502] ? __x64_sys_mount+0xc0/0xc0
[ 284.626111][ T6502] ? lockdep_hardirqs_on+0x94/0x140
[ 284.631318][ T6502] ? __x64_sys_mount+0x1c/0xc0
[ 284.636217][ T6502] do_syscall_64+0x4c/0xa0
[ 284.640654][ T6502] ? clear_bhb_loop+0x30/0x80
[ 284.645508][ T6502] ? clear_bhb_loop+0x30/0x80
[ 284.650191][ T6502] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 284.656101][ T6502] RIP: 0033:0x7f04a215590a
[ 284.660522][ T6502] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 284.680221][ T6502] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.688670][ T6502] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 284.696926][ T6502] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 284.704903][ T6502] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 284.712969][ T6502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 284.720963][ T6502] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 284.728957][ T6502]
[ 284.733520][ T6502] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.747165][ T6502] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/06/24 21:50:25 executed programs: 422
[ 285.140635][ T6510] loop3: detected capacity change from 0 to 32768
[ 285.234224][ T6510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.242022][ T6510] CPU: 0 PID: 6510 Comm: syz.3.428 Not tainted 5.15.185-syzkaller #0
[ 285.250128][ T6510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 285.260219][ T6510] Call Trace:
[ 285.263527][ T6510]
[ 285.266497][ T6510] dump_stack_lvl+0x168/0x230
[ 285.271371][ T6510] ? show_regs_print_info+0x20/0x20
[ 285.276604][ T6510] ? load_image+0x3b0/0x3b0
[ 285.281134][ T6510] sysfs_create_dir_ns+0x252/0x280
[ 285.286269][ T6510] ? __lock_acquire+0x7c60/0x7c60
[ 285.291402][ T6510] ? sysfs_warn_dup+0xa0/0xa0
[ 285.296109][ T6510] ? do_raw_spin_unlock+0x11d/0x230
[ 285.301343][ T6510] kobject_add_internal+0x662/0xd00
[ 285.307130][ T6510] kobject_init_and_add+0x122/0x190
[ 285.312359][ T6510] ? lockdep_softirqs_off+0x420/0x420
[ 285.317776][ T6510] ? kobject_add+0x210/0x210
[ 285.322404][ T6510] ? __init_swait_queue_head+0xa5/0x150
[ 285.328052][ T6510] gfs2_sys_fs_add+0x234/0x480
[ 285.332877][ T6510] ? gfs2_recover_set+0x240/0x240
[ 285.338046][ T6510] ? snprintf+0xd7/0x120
[ 285.342887][ T6510] ? __free_pages+0x95/0x1a0
[ 285.347530][ T6510] ? vscnprintf+0x80/0x80
[ 285.352000][ T6510] gfs2_fill_super+0x128d/0x1f50
[ 285.357112][ T6510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.362176][ T6510] ? preempt_count_add+0x8d/0x190
[ 285.367245][ T6510] ? sb_set_blocksize+0xa5/0xe0
[ 285.372130][ T6510] get_tree_bdev+0x3f1/0x610
[ 285.376758][ T6510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.381812][ T6510] gfs2_get_tree+0x4d/0x1e0
[ 285.386352][ T6510] vfs_get_tree+0x88/0x270
[ 285.390809][ T6510] do_new_mount+0x24a/0xa40
[ 285.395349][ T6510] __se_sys_mount+0x2d6/0x3c0
[ 285.400067][ T6510] ? __x64_sys_mount+0xc0/0xc0
[ 285.404868][ T6510] ? lockdep_hardirqs_on+0x94/0x140
[ 285.410098][ T6510] ? __x64_sys_mount+0x1c/0xc0
[ 285.414890][ T6510] do_syscall_64+0x4c/0xa0
[ 285.419521][ T6510] ? clear_bhb_loop+0x30/0x80
[ 285.424219][ T6510] ? clear_bhb_loop+0x30/0x80
[ 285.428943][ T6510] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.434866][ T6510] RIP: 0033:0x7f2939f6690a
[ 285.439346][ T6510] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 285.459266][ T6510] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.467895][ T6510] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 285.476007][ T6510] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 285.484351][ T6510] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 285.484496][ T6514] loop4: detected capacity change from 0 to 32768
[ 285.492439][ T6510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 285.507492][ T6510] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 285.515742][ T6510]
[ 285.519822][ T6510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.533018][ T6510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.674184][ T6498] loop2: detected capacity change from 0 to 32768
[ 285.689252][ T6514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.696773][ T6514] CPU: 1 PID: 6514 Comm: syz.4.429 Not tainted 5.15.185-syzkaller #0
[ 285.704861][ T6514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 285.715030][ T6514] Call Trace:
[ 285.718335][ T6514]
[ 285.721289][ T6514] dump_stack_lvl+0x168/0x230
[ 285.725999][ T6514] ? show_regs_print_info+0x20/0x20
[ 285.731232][ T6514] ? load_image+0x3b0/0x3b0
[ 285.735780][ T6514] sysfs_create_dir_ns+0x252/0x280
[ 285.741040][ T6514] ? __lock_acquire+0x7c60/0x7c60
[ 285.746094][ T6514] ? sysfs_warn_dup+0xa0/0xa0
[ 285.750805][ T6514] ? do_raw_spin_unlock+0x11d/0x230
[ 285.756123][ T6514] kobject_add_internal+0x662/0xd00
[ 285.761546][ T6514] kobject_init_and_add+0x122/0x190
[ 285.766776][ T6514] ? lockdep_softirqs_off+0x420/0x420
[ 285.772189][ T6514] ? kobject_add+0x210/0x210
[ 285.776819][ T6514] ? __init_swait_queue_head+0xa5/0x150
[ 285.782525][ T6514] gfs2_sys_fs_add+0x234/0x480
[ 285.787326][ T6514] ? gfs2_recover_set+0x240/0x240
[ 285.792472][ T6514] ? snprintf+0xd7/0x120
[ 285.796744][ T6514] ? __free_pages+0x95/0x1a0
[ 285.801367][ T6514] ? vscnprintf+0x80/0x80
[ 285.805732][ T6514] gfs2_fill_super+0x128d/0x1f50
[ 285.810721][ T6514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.815862][ T6514] ? preempt_count_add+0x8d/0x190
[ 285.821013][ T6514] ? sb_set_blocksize+0xa5/0xe0
[ 285.825974][ T6514] get_tree_bdev+0x3f1/0x610
[ 285.830596][ T6514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.835812][ T6514] gfs2_get_tree+0x4d/0x1e0
[ 285.840444][ T6514] vfs_get_tree+0x88/0x270
[ 285.844895][ T6514] do_new_mount+0x24a/0xa40
[ 285.849453][ T6514] __se_sys_mount+0x2d6/0x3c0
[ 285.854172][ T6514] ? __x64_sys_mount+0xc0/0xc0
[ 285.859054][ T6514] ? lockdep_hardirqs_on+0x94/0x140
[ 285.864322][ T6514] ? __x64_sys_mount+0x1c/0xc0
[ 285.869123][ T6514] do_syscall_64+0x4c/0xa0
[ 285.873652][ T6514] ? clear_bhb_loop+0x30/0x80
[ 285.878620][ T6514] ? clear_bhb_loop+0x30/0x80
[ 285.883335][ T6514] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.889371][ T6514] RIP: 0033:0x7f04a215590a
[ 285.893988][ T6514] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 285.897724][ T6516] loop1: detected capacity change from 0 to 32768
[ 285.913613][ T6514] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.913640][ T6514] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 285.913655][ T6514] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 285.913671][ T6514] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 285.913685][ T6514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 285.913699][ T6514] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 285.913730][ T6514]
[ 285.913824][ T6514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.985772][ T6514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.067023][ T6516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.074674][ T6516] CPU: 0 PID: 6516 Comm: syz.1.425 Not tainted 5.15.185-syzkaller #0
[ 286.082780][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 286.092973][ T6516] Call Trace:
[ 286.096287][ T6516]
[ 286.099253][ T6516] dump_stack_lvl+0x168/0x230
[ 286.104045][ T6516] ? show_regs_print_info+0x20/0x20
[ 286.109258][ T6516] ? load_image+0x3b0/0x3b0
[ 286.113882][ T6516] sysfs_create_dir_ns+0x252/0x280
[ 286.119285][ T6516] ? __lock_acquire+0x7c60/0x7c60
[ 286.124430][ T6516] ? sysfs_warn_dup+0xa0/0xa0
[ 286.129138][ T6516] ? do_raw_spin_unlock+0x11d/0x230
[ 286.134447][ T6516] kobject_add_internal+0x662/0xd00
[ 286.139766][ T6516] kobject_init_and_add+0x122/0x190
[ 286.145003][ T6516] ? lockdep_softirqs_off+0x420/0x420
[ 286.150435][ T6516] ? kobject_add+0x210/0x210
[ 286.155209][ T6516] ? __init_swait_queue_head+0xa5/0x150
[ 286.160907][ T6516] gfs2_sys_fs_add+0x234/0x480
[ 286.165730][ T6516] ? gfs2_recover_set+0x240/0x240
[ 286.170791][ T6516] ? snprintf+0xd7/0x120
[ 286.175080][ T6516] ? __free_pages+0x95/0x1a0
[ 286.179804][ T6516] ? vscnprintf+0x80/0x80
[ 286.184290][ T6516] gfs2_fill_super+0x128d/0x1f50
[ 286.189419][ T6516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.194500][ T6516] ? preempt_count_add+0x8d/0x190
[ 286.199659][ T6516] ? sb_set_blocksize+0xa5/0xe0
[ 286.204551][ T6516] get_tree_bdev+0x3f1/0x610
[ 286.209364][ T6516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.214430][ T6516] gfs2_get_tree+0x4d/0x1e0
[ 286.218982][ T6516] vfs_get_tree+0x88/0x270
[ 286.223434][ T6516] do_new_mount+0x24a/0xa40
[ 286.227990][ T6516] __se_sys_mount+0x2d6/0x3c0
[ 286.232706][ T6516] ? __x64_sys_mount+0xc0/0xc0
[ 286.237608][ T6516] ? lockdep_hardirqs_on+0x94/0x140
[ 286.242834][ T6516] ? __x64_sys_mount+0x1c/0xc0
[ 286.247634][ T6516] do_syscall_64+0x4c/0xa0
[ 286.252075][ T6516] ? clear_bhb_loop+0x30/0x80
[ 286.256785][ T6516] ? clear_bhb_loop+0x30/0x80
[ 286.263366][ T6516] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.270582][ T6516] RIP: 0033:0x7f135335e90a
[ 286.275531][ T6516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 286.296467][ T6516] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.305018][ T6516] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 286.313141][ T6516] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 286.321232][ T6516] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 286.329596][ T6516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 286.337693][ T6516] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 286.345843][ T6516]
[ 286.349940][ T6516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.363287][ T6516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.398593][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.434472][ T6498] CPU: 1 PID: 6498 Comm: syz.2.424 Not tainted 5.15.185-syzkaller #0
[ 286.442598][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 286.452909][ T6498] Call Trace:
[ 286.456228][ T6498]
[ 286.459211][ T6498] dump_stack_lvl+0x168/0x230
[ 286.464020][ T6498] ? show_regs_print_info+0x20/0x20
[ 286.469434][ T6498] ? load_image+0x3b0/0x3b0
[ 286.474337][ T6498] sysfs_create_dir_ns+0x252/0x280
[ 286.480185][ T6498] ? __lock_acquire+0x7c60/0x7c60
[ 286.485354][ T6498] ? sysfs_warn_dup+0xa0/0xa0
[ 286.490302][ T6498] ? do_raw_spin_unlock+0x11d/0x230
[ 286.495651][ T6498] kobject_add_internal+0x662/0xd00
[ 286.500919][ T6498] kobject_init_and_add+0x122/0x190
[ 286.506255][ T6498] ? lockdep_softirqs_off+0x420/0x420
[ 286.511676][ T6498] ? kobject_add+0x210/0x210
[ 286.516471][ T6498] ? __init_swait_queue_head+0xa5/0x150
[ 286.522130][ T6498] gfs2_sys_fs_add+0x234/0x480
[ 286.526943][ T6498] ? gfs2_recover_set+0x240/0x240
[ 286.532089][ T6498] ? snprintf+0xd7/0x120
[ 286.536379][ T6498] ? __free_pages+0x95/0x1a0
[ 286.541022][ T6498] ? vscnprintf+0x80/0x80
[ 286.545572][ T6498] gfs2_fill_super+0x128d/0x1f50
[ 286.550571][ T6498] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.555719][ T6498] ? preempt_count_add+0x8d/0x190
[ 286.561011][ T6498] ? sb_set_blocksize+0xa5/0xe0
[ 286.566008][ T6498] get_tree_bdev+0x3f1/0x610
[ 286.570648][ T6498] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.575800][ T6498] gfs2_get_tree+0x4d/0x1e0
[ 286.580354][ T6498] vfs_get_tree+0x88/0x270
[ 286.584916][ T6498] do_new_mount+0x24a/0xa40
[ 286.589466][ T6498] __se_sys_mount+0x2d6/0x3c0
[ 286.594192][ T6498] ? __x64_sys_mount+0xc0/0xc0
[ 286.599000][ T6498] ? lockdep_hardirqs_on+0x94/0x140
[ 286.604250][ T6498] ? __x64_sys_mount+0x1c/0xc0
[ 286.609231][ T6498] do_syscall_64+0x4c/0xa0
[ 286.613685][ T6498] ? clear_bhb_loop+0x30/0x80
[ 286.618474][ T6498] ? clear_bhb_loop+0x30/0x80
[ 286.623182][ T6498] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.629149][ T6498] RIP: 0033:0x7f3360a9890a
[ 286.633579][ T6498] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 286.653732][ T6498] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.662195][ T6498] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 286.670344][ T6498] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 286.678354][ T6498] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 286.686452][ T6498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 286.694640][ T6498] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 286.703223][ T6498]
[ 286.934657][ T6498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.119536][ T6498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.213958][ T6539] loop1: detected capacity change from 0 to 32768
[ 288.247395][ T6539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.255354][ T6539] CPU: 1 PID: 6539 Comm: syz.1.436 Not tainted 5.15.185-syzkaller #0
[ 288.263736][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 288.273844][ T6539] Call Trace:
[ 288.277163][ T6539]
[ 288.280133][ T6539] dump_stack_lvl+0x168/0x230
[ 288.284861][ T6539] ? show_regs_print_info+0x20/0x20
[ 288.290100][ T6539] ? load_image+0x3b0/0x3b0
[ 288.294656][ T6539] sysfs_create_dir_ns+0x252/0x280
[ 288.299852][ T6539] ? __lock_acquire+0x7c60/0x7c60
[ 288.304974][ T6539] ? sysfs_warn_dup+0xa0/0xa0
[ 288.309847][ T6539] ? do_raw_spin_unlock+0x11d/0x230
[ 288.315089][ T6539] kobject_add_internal+0x662/0xd00
[ 288.320335][ T6539] kobject_init_and_add+0x122/0x190
[ 288.325581][ T6539] ? lockdep_softirqs_off+0x420/0x420
[ 288.331101][ T6539] ? kobject_add+0x210/0x210
[ 288.335822][ T6539] ? __init_swait_queue_head+0xa5/0x150
[ 288.341415][ T6539] gfs2_sys_fs_add+0x234/0x480
[ 288.346232][ T6539] ? gfs2_recover_set+0x240/0x240
[ 288.351304][ T6539] ? snprintf+0xd7/0x120
[ 288.355783][ T6539] ? __free_pages+0x95/0x1a0
[ 288.360415][ T6539] ? vscnprintf+0x80/0x80
[ 288.364795][ T6539] gfs2_fill_super+0x128d/0x1f50
[ 288.369783][ T6539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.374848][ T6539] ? preempt_count_add+0x8d/0x190
[ 288.379922][ T6539] ? sb_set_blocksize+0xa5/0xe0
[ 288.384827][ T6539] get_tree_bdev+0x3f1/0x610
[ 288.389479][ T6539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.394786][ T6539] gfs2_get_tree+0x4d/0x1e0
[ 288.399342][ T6539] vfs_get_tree+0x88/0x270
[ 288.403806][ T6539] do_new_mount+0x24a/0xa40
[ 288.408372][ T6539] __se_sys_mount+0x2d6/0x3c0
[ 288.413098][ T6539] ? __x64_sys_mount+0xc0/0xc0
[ 288.417999][ T6539] ? lockdep_hardirqs_on+0x94/0x140
[ 288.423255][ T6539] ? __x64_sys_mount+0x1c/0xc0
[ 288.428069][ T6539] do_syscall_64+0x4c/0xa0
[ 288.432535][ T6539] ? clear_bhb_loop+0x30/0x80
[ 288.437373][ T6539] ? clear_bhb_loop+0x30/0x80
[ 288.442262][ T6539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.448295][ T6539] RIP: 0033:0x7f135335e90a
[ 288.452847][ T6539] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 288.472673][ T6539] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.481210][ T6539] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 288.489226][ T6539] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 288.497326][ T6539] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 288.505507][ T6539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 288.513604][ T6539] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 288.521628][ T6539]
[ 288.527977][ T6539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.541258][ T6539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.675611][ T6541] loop2: detected capacity change from 0 to 32768
[ 288.883397][ T6544] loop4: detected capacity change from 0 to 32768
[ 288.990636][ T6544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.998264][ T6544] CPU: 0 PID: 6544 Comm: syz.4.439 Not tainted 5.15.185-syzkaller #0
[ 289.006369][ T6544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 289.016458][ T6544] Call Trace:
[ 289.019759][ T6544]
[ 289.022714][ T6544] dump_stack_lvl+0x168/0x230
[ 289.027601][ T6544] ? show_regs_print_info+0x20/0x20
[ 289.033055][ T6544] ? load_image+0x3b0/0x3b0
[ 289.037793][ T6544] sysfs_create_dir_ns+0x252/0x280
[ 289.042940][ T6544] ? __lock_acquire+0x7c60/0x7c60
[ 289.048051][ T6544] ? sysfs_warn_dup+0xa0/0xa0
[ 289.052867][ T6544] ? do_raw_spin_unlock+0x11d/0x230
[ 289.058190][ T6544] kobject_add_internal+0x662/0xd00
[ 289.063674][ T6544] kobject_init_and_add+0x122/0x190
[ 289.068916][ T6544] ? lockdep_softirqs_off+0x420/0x420
[ 289.074334][ T6544] ? kobject_add+0x210/0x210
[ 289.078972][ T6544] ? __init_swait_queue_head+0xa5/0x150
[ 289.084720][ T6544] gfs2_sys_fs_add+0x234/0x480
[ 289.089512][ T6544] ? gfs2_recover_set+0x240/0x240
[ 289.094715][ T6544] ? snprintf+0xd7/0x120
[ 289.099000][ T6544] ? __free_pages+0x95/0x1a0
[ 289.103633][ T6544] ? vscnprintf+0x80/0x80
[ 289.108008][ T6544] gfs2_fill_super+0x128d/0x1f50
[ 289.113080][ T6544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.118152][ T6544] ? preempt_count_add+0x8d/0x190
[ 289.123334][ T6544] ? sb_set_blocksize+0xa5/0xe0
[ 289.128342][ T6544] get_tree_bdev+0x3f1/0x610
[ 289.132970][ T6544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.138115][ T6544] gfs2_get_tree+0x4d/0x1e0
[ 289.142760][ T6544] vfs_get_tree+0x88/0x270
[ 289.147344][ T6544] do_new_mount+0x24a/0xa40
[ 289.151894][ T6544] __se_sys_mount+0x2d6/0x3c0
[ 289.156626][ T6544] ? __x64_sys_mount+0xc0/0xc0
[ 289.161526][ T6544] ? lockdep_hardirqs_on+0x94/0x140
[ 289.166758][ T6544] ? __x64_sys_mount+0x1c/0xc0
[ 289.171559][ T6544] do_syscall_64+0x4c/0xa0
[ 289.176059][ T6544] ? clear_bhb_loop+0x30/0x80
[ 289.180765][ T6544] ? clear_bhb_loop+0x30/0x80
[ 289.185464][ T6544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 289.191391][ T6544] RIP: 0033:0x7f04a215590a
[ 289.195839][ T6544] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 289.216225][ T6544] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.224674][ T6544] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 289.232673][ T6544] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 289.240663][ T6544] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 289.248663][ T6544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 289.256790][ T6544] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 289.264914][ T6544]
[ 289.268801][ T6544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.282394][ T6544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.288150][ T6541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.296974][ T6541] CPU: 1 PID: 6541 Comm: syz.2.438 Not tainted 5.15.185-syzkaller #0
[ 289.305332][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 289.315696][ T6541] Call Trace:
[ 289.319107][ T6541]
[ 289.322076][ T6541] dump_stack_lvl+0x168/0x230
[ 289.326881][ T6541] ? show_regs_print_info+0x20/0x20
[ 289.332201][ T6541] ? load_image+0x3b0/0x3b0
[ 289.336743][ T6541] sysfs_create_dir_ns+0x252/0x280
[ 289.342323][ T6541] ? __lock_acquire+0x7c60/0x7c60
[ 289.347393][ T6541] ? sysfs_warn_dup+0xa0/0xa0
[ 289.352102][ T6541] ? do_raw_spin_unlock+0x11d/0x230
[ 289.357345][ T6541] kobject_add_internal+0x662/0xd00
[ 289.362608][ T6541] kobject_init_and_add+0x122/0x190
[ 289.367933][ T6541] ? lockdep_softirqs_off+0x420/0x420
[ 289.373358][ T6541] ? kobject_add+0x210/0x210
[ 289.377986][ T6541] ? __init_swait_queue_head+0xa5/0x150
[ 289.383577][ T6541] gfs2_sys_fs_add+0x234/0x480
[ 289.388554][ T6541] ? gfs2_recover_set+0x240/0x240
[ 289.393631][ T6541] ? snprintf+0xd7/0x120
[ 289.397911][ T6541] ? __free_pages+0x95/0x1a0
[ 289.402539][ T6541] ? vscnprintf+0x80/0x80
[ 289.406919][ T6541] gfs2_fill_super+0x128d/0x1f50
[ 289.412176][ T6541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.417239][ T6541] ? preempt_count_add+0x8d/0x190
[ 289.422305][ T6541] ? sb_set_blocksize+0xa5/0xe0
[ 289.427187][ T6541] get_tree_bdev+0x3f1/0x610
[ 289.431855][ T6541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.437009][ T6541] gfs2_get_tree+0x4d/0x1e0
[ 289.441556][ T6541] vfs_get_tree+0x88/0x270
[ 289.446004][ T6541] do_new_mount+0x24a/0xa40
[ 289.450756][ T6541] __se_sys_mount+0x2d6/0x3c0
[ 289.455494][ T6541] ? __x64_sys_mount+0xc0/0xc0
[ 289.460513][ T6541] ? lockdep_hardirqs_on+0x94/0x140
[ 289.465762][ T6541] ? __x64_sys_mount+0x1c/0xc0
[ 289.470661][ T6541] do_syscall_64+0x4c/0xa0
[ 289.475112][ T6541] ? clear_bhb_loop+0x30/0x80
[ 289.479825][ T6541] ? clear_bhb_loop+0x30/0x80
[ 289.484640][ T6541] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 289.490748][ T6541] RIP: 0033:0x7f3360a9890a
[ 289.495221][ T6541] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 289.514962][ T6541] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.523507][ T6541] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 289.531513][ T6541] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 289.539593][ T6541] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 289.547843][ T6541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 289.555859][ T6541] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 289.563907][ T6541]
[ 289.568300][ T6541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.581889][ T6541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.727183][ T6549] loop5: detected capacity change from 0 to 32768
[ 289.868064][ T6549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.875624][ T6549] CPU: 0 PID: 6549 Comm: syz.5.442 Not tainted 5.15.185-syzkaller #0
[ 289.883827][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 289.894004][ T6549] Call Trace:
[ 289.897495][ T6549]
[ 289.900456][ T6549] dump_stack_lvl+0x168/0x230
[ 289.905270][ T6549] ? show_regs_print_info+0x20/0x20
[ 289.910498][ T6549] ? load_image+0x3b0/0x3b0
[ 289.915054][ T6549] sysfs_create_dir_ns+0x252/0x280
[ 289.920209][ T6549] ? __lock_acquire+0x7c60/0x7c60
[ 289.925275][ T6549] ? sysfs_warn_dup+0xa0/0xa0
[ 289.930176][ T6549] ? do_raw_spin_unlock+0x11d/0x230
[ 289.935520][ T6549] kobject_add_internal+0x662/0xd00
[ 289.941052][ T6549] kobject_init_and_add+0x122/0x190
[ 289.946308][ T6549] ? lockdep_softirqs_off+0x420/0x420
[ 289.951726][ T6549] ? kobject_add+0x210/0x210
[ 289.956358][ T6549] ? __init_swait_queue_head+0xa5/0x150
[ 289.961938][ T6549] gfs2_sys_fs_add+0x234/0x480
[ 289.966735][ T6549] ? gfs2_recover_set+0x240/0x240
[ 289.971796][ T6549] ? snprintf+0xd7/0x120
[ 289.976076][ T6549] ? __free_pages+0x95/0x1a0
[ 289.980698][ T6549] ? vscnprintf+0x80/0x80
[ 289.985068][ T6549] gfs2_fill_super+0x128d/0x1f50
[ 289.990140][ T6549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.995310][ T6549] ? preempt_count_add+0x8d/0x190
[ 290.000471][ T6549] ? sb_set_blocksize+0xa5/0xe0
[ 290.005352][ T6549] get_tree_bdev+0x3f1/0x610
[ 290.009979][ T6549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.015046][ T6549] gfs2_get_tree+0x4d/0x1e0
[ 290.019587][ T6549] vfs_get_tree+0x88/0x270
[ 290.024037][ T6549] do_new_mount+0x24a/0xa40
[ 290.028602][ T6549] __se_sys_mount+0x2d6/0x3c0
[ 290.033314][ T6549] ? __x64_sys_mount+0xc0/0xc0
[ 290.038112][ T6549] ? lockdep_hardirqs_on+0x94/0x140
[ 290.043596][ T6549] ? __x64_sys_mount+0x1c/0xc0
[ 290.048394][ T6549] do_syscall_64+0x4c/0xa0
[ 290.052859][ T6549] ? clear_bhb_loop+0x30/0x80
[ 290.057570][ T6549] ? clear_bhb_loop+0x30/0x80
[ 290.062270][ T6549] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 290.068371][ T6549] RIP: 0033:0x7f4ee4b1c90a
[ 290.072826][ T6549] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 290.092723][ T6549] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.101187][ T6549] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 290.109194][ T6549] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 290.117206][ T6549] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 290.125316][ T6549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 290.133316][ T6549] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 290.141351][ T6549]
[ 290.147543][ T6549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.160737][ T6549] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/06/24 21:50:31 executed programs: 437
[ 290.273045][ T6552] loop2: detected capacity change from 0 to 32768
[ 290.532221][ T6556] loop4: detected capacity change from 0 to 32768
[ 290.647769][ T6557] loop1: detected capacity change from 0 to 32768
[ 290.717292][ T6552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.724846][ T6552] CPU: 1 PID: 6552 Comm: syz.2.443 Not tainted 5.15.185-syzkaller #0
[ 290.732953][ T6552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 290.743038][ T6552] Call Trace:
[ 290.746356][ T6552]
[ 290.749319][ T6552] dump_stack_lvl+0x168/0x230
[ 290.754025][ T6552] ? show_regs_print_info+0x20/0x20
[ 290.759257][ T6552] ? load_image+0x3b0/0x3b0
[ 290.763974][ T6552] sysfs_create_dir_ns+0x252/0x280
[ 290.769118][ T6552] ? __lock_acquire+0x7c60/0x7c60
[ 290.774177][ T6552] ? sysfs_warn_dup+0xa0/0xa0
[ 290.779066][ T6552] ? do_raw_spin_unlock+0x11d/0x230
[ 290.784618][ T6552] kobject_add_internal+0x662/0xd00
[ 290.789861][ T6552] kobject_init_and_add+0x122/0x190
[ 290.795097][ T6552] ? lockdep_softirqs_off+0x420/0x420
[ 290.800505][ T6552] ? kobject_add+0x210/0x210
[ 290.805132][ T6552] ? __init_swait_queue_head+0xa5/0x150
[ 290.810809][ T6552] gfs2_sys_fs_add+0x234/0x480
[ 290.815609][ T6552] ? gfs2_recover_set+0x240/0x240
[ 290.820657][ T6552] ? snprintf+0xd7/0x120
[ 290.825319][ T6552] ? __free_pages+0x95/0x1a0
[ 290.829955][ T6552] ? vscnprintf+0x80/0x80
[ 290.834324][ T6552] gfs2_fill_super+0x128d/0x1f50
[ 290.839657][ T6552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.844719][ T6552] ? preempt_count_add+0x8d/0x190
[ 290.849792][ T6552] ? sb_set_blocksize+0xa5/0xe0
[ 290.854679][ T6552] get_tree_bdev+0x3f1/0x610
[ 290.859388][ T6552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.864441][ T6552] gfs2_get_tree+0x4d/0x1e0
[ 290.868979][ T6552] vfs_get_tree+0x88/0x270
[ 290.873426][ T6552] do_new_mount+0x24a/0xa40
[ 290.877960][ T6552] __se_sys_mount+0x2d6/0x3c0
[ 290.882930][ T6552] ? __x64_sys_mount+0xc0/0xc0
[ 290.887741][ T6552] ? lockdep_hardirqs_on+0x94/0x140
[ 290.892973][ T6552] ? __x64_sys_mount+0x1c/0xc0
[ 290.897952][ T6552] do_syscall_64+0x4c/0xa0
[ 290.902613][ T6552] ? clear_bhb_loop+0x30/0x80
[ 290.907316][ T6552] ? clear_bhb_loop+0x30/0x80
[ 290.912019][ T6552] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 290.917944][ T6552] RIP: 0033:0x7f3360a9890a
[ 290.922493][ T6552] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 290.942306][ T6552] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.950762][ T6552] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 290.958879][ T6552] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 290.966903][ T6552] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 290.975088][ T6552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 290.983105][ T6552] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 290.991135][ T6552]
[ 290.996045][ T6552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.009777][ T6552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.027654][ T6557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.035468][ T6557] CPU: 1 PID: 6557 Comm: syz.1.441 Not tainted 5.15.185-syzkaller #0
[ 291.043874][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 291.054239][ T6557] Call Trace:
[ 291.057565][ T6557]
[ 291.060712][ T6557] dump_stack_lvl+0x168/0x230
[ 291.065609][ T6557] ? show_regs_print_info+0x20/0x20
[ 291.070852][ T6557] ? load_image+0x3b0/0x3b0
[ 291.075498][ T6557] sysfs_create_dir_ns+0x252/0x280
[ 291.080838][ T6557] ? __lock_acquire+0x7c60/0x7c60
[ 291.085907][ T6557] ? sysfs_warn_dup+0xa0/0xa0
[ 291.090669][ T6557] ? do_raw_spin_unlock+0x11d/0x230
[ 291.096022][ T6557] kobject_add_internal+0x662/0xd00
[ 291.101702][ T6557] kobject_init_and_add+0x122/0x190
[ 291.106941][ T6557] ? lockdep_softirqs_off+0x420/0x420
[ 291.107967][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.112355][ T6557] ? kobject_add+0x210/0x210
[ 291.124439][ T6557] ? __init_swait_queue_head+0xa5/0x150
[ 291.130108][ T6557] gfs2_sys_fs_add+0x234/0x480
[ 291.135070][ T6557] ? gfs2_recover_set+0x240/0x240
[ 291.140109][ T6557] ? snprintf+0xd7/0x120
[ 291.144363][ T6557] ? __free_pages+0x95/0x1a0
[ 291.148997][ T6557] ? vscnprintf+0x80/0x80
[ 291.153466][ T6557] gfs2_fill_super+0x128d/0x1f50
[ 291.158619][ T6557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.163692][ T6557] ? preempt_count_add+0x8d/0x190
[ 291.169001][ T6557] ? sb_set_blocksize+0xa5/0xe0
[ 291.174126][ T6557] get_tree_bdev+0x3f1/0x610
[ 291.178733][ T6557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.183772][ T6557] gfs2_get_tree+0x4d/0x1e0
[ 291.188292][ T6557] vfs_get_tree+0x88/0x270
[ 291.192721][ T6557] do_new_mount+0x24a/0xa40
[ 291.197253][ T6557] __se_sys_mount+0x2d6/0x3c0
[ 291.202049][ T6557] ? __x64_sys_mount+0xc0/0xc0
[ 291.206834][ T6557] ? lockdep_hardirqs_on+0x94/0x140
[ 291.212130][ T6557] ? __x64_sys_mount+0x1c/0xc0
[ 291.217008][ T6557] do_syscall_64+0x4c/0xa0
[ 291.221537][ T6557] ? clear_bhb_loop+0x30/0x80
[ 291.226225][ T6557] ? clear_bhb_loop+0x30/0x80
[ 291.231142][ T6557] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.237053][ T6557] RIP: 0033:0x7f135335e90a
[ 291.241479][ T6557] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 291.261105][ T6557] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.269533][ T6557] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 291.277618][ T6557] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 291.285692][ T6557] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 291.293675][ T6557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 291.301760][ T6557] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 291.309770][ T6557]
[ 291.312896][ T6556] CPU: 0 PID: 6556 Comm: syz.4.444 Not tainted 5.15.185-syzkaller #0
[ 291.314693][ T6557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.321246][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 291.335635][ T6557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.344429][ T6556] Call Trace:
[ 291.344440][ T6556]
[ 291.344449][ T6556] dump_stack_lvl+0x168/0x230
[ 291.344478][ T6556] ? show_regs_print_info+0x20/0x20
[ 291.367172][ T6556] ? load_image+0x3b0/0x3b0
[ 291.371721][ T6556] sysfs_create_dir_ns+0x252/0x280
[ 291.376881][ T6556] ? __lock_acquire+0x7c60/0x7c60
[ 291.381952][ T6556] ? sysfs_warn_dup+0xa0/0xa0
[ 291.386670][ T6556] ? do_raw_spin_unlock+0x11d/0x230
[ 291.392424][ T6556] kobject_add_internal+0x662/0xd00
[ 291.397669][ T6556] kobject_init_and_add+0x122/0x190
[ 291.402922][ T6556] ? lockdep_softirqs_off+0x420/0x420
[ 291.408436][ T6556] ? kobject_add+0x210/0x210
[ 291.413086][ T6556] ? __init_swait_queue_head+0xa5/0x150
[ 291.418698][ T6556] gfs2_sys_fs_add+0x234/0x480
[ 291.423640][ T6556] ? gfs2_recover_set+0x240/0x240
[ 291.428877][ T6556] ? snprintf+0xd7/0x120
[ 291.433238][ T6556] ? __free_pages+0x95/0x1a0
[ 291.437922][ T6556] ? vscnprintf+0x80/0x80
[ 291.442392][ T6556] gfs2_fill_super+0x128d/0x1f50
[ 291.447644][ T6556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.452860][ T6556] ? preempt_count_add+0x8d/0x190
[ 291.457927][ T6556] ? sb_set_blocksize+0xa5/0xe0
[ 291.462824][ T6556] get_tree_bdev+0x3f1/0x610
[ 291.467570][ T6556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.472719][ T6556] gfs2_get_tree+0x4d/0x1e0
[ 291.477364][ T6556] vfs_get_tree+0x88/0x270
[ 291.481823][ T6556] do_new_mount+0x24a/0xa40
[ 291.486364][ T6556] __se_sys_mount+0x2d6/0x3c0
[ 291.491264][ T6556] ? __x64_sys_mount+0xc0/0xc0
[ 291.496053][ T6556] ? lockdep_hardirqs_on+0x94/0x140
[ 291.501366][ T6556] ? __x64_sys_mount+0x1c/0xc0
[ 291.506244][ T6556] do_syscall_64+0x4c/0xa0
[ 291.510701][ T6556] ? clear_bhb_loop+0x30/0x80
[ 291.515409][ T6556] ? clear_bhb_loop+0x30/0x80
[ 291.520196][ T6556] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.526201][ T6556] RIP: 0033:0x7f04a215590a
[ 291.530918][ T6556] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 291.550752][ T6556] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.559323][ T6556] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 291.567333][ T6556] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 291.575355][ T6556] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 291.583619][ T6556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 291.591901][ T6556] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 291.600021][ T6556]
[ 291.604423][ T6556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.618369][ T6556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.182841][ T6565] loop2: detected capacity change from 0 to 32768
[ 292.199023][ T27] INFO: task syz.0.42:5261 blocked for more than 143 seconds.
[ 292.225366][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.232811][ T6565] CPU: 1 PID: 6565 Comm: syz.2.448 Not tainted 5.15.185-syzkaller #0
[ 292.241078][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 292.251256][ T6565] Call Trace:
[ 292.254568][ T6565]
[ 292.257526][ T6565] dump_stack_lvl+0x168/0x230
[ 292.262238][ T6565] ? show_regs_print_info+0x20/0x20
[ 292.267473][ T6565] ? load_image+0x3b0/0x3b0
[ 292.272107][ T6565] sysfs_create_dir_ns+0x252/0x280
[ 292.277458][ T6565] ? __lock_acquire+0x7c60/0x7c60
[ 292.282523][ T6565] ? sysfs_warn_dup+0xa0/0xa0
[ 292.287333][ T6565] ? do_raw_spin_unlock+0x11d/0x230
[ 292.292657][ T6565] kobject_add_internal+0x662/0xd00
[ 292.298083][ T6565] kobject_init_and_add+0x122/0x190
[ 292.303417][ T6565] ? lockdep_softirqs_off+0x420/0x420
[ 292.308836][ T6565] ? kobject_add+0x210/0x210
[ 292.313472][ T6565] ? __init_swait_queue_head+0xa5/0x150
[ 292.319075][ T6565] gfs2_sys_fs_add+0x234/0x480
[ 292.323882][ T6565] ? gfs2_recover_set+0x240/0x240
[ 292.329126][ T6565] ? snprintf+0xd7/0x120
[ 292.333401][ T6565] ? __free_pages+0x95/0x1a0
[ 292.338130][ T6565] ? vscnprintf+0x80/0x80
[ 292.342503][ T6565] gfs2_fill_super+0x128d/0x1f50
[ 292.347751][ T6565] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.352806][ T6565] ? preempt_count_add+0x8d/0x190
[ 292.357866][ T6565] ? sb_set_blocksize+0xa5/0xe0
[ 292.362736][ T6565] get_tree_bdev+0x3f1/0x610
[ 292.367349][ T6565] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.372396][ T6565] gfs2_get_tree+0x4d/0x1e0
[ 292.376940][ T6565] vfs_get_tree+0x88/0x270
[ 292.381380][ T6565] do_new_mount+0x24a/0xa40
[ 292.386236][ T6565] __se_sys_mount+0x2d6/0x3c0
[ 292.390958][ T6565] ? __x64_sys_mount+0xc0/0xc0
[ 292.395767][ T6565] ? lockdep_hardirqs_on+0x94/0x140
[ 292.400996][ T6565] ? __x64_sys_mount+0x1c/0xc0
[ 292.405794][ T6565] do_syscall_64+0x4c/0xa0
[ 292.410424][ T6565] ? clear_bhb_loop+0x30/0x80
[ 292.415284][ T6565] ? clear_bhb_loop+0x30/0x80
[ 292.420088][ T6565] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 292.426022][ T6565] RIP: 0033:0x7f3360a9890a
[ 292.430557][ T6565] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 292.450419][ T6565] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.459143][ T6565] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 292.467322][ T6565] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 292.475327][ T6565] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 292.483329][ T6565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 292.491339][ T6565] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 292.499537][ T6565]
[ 292.504712][ T6565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.518034][ T6565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.565508][ T6569] loop1: detected capacity change from 0 to 32768
[ 292.575226][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.582766][ T6569] CPU: 0 PID: 6569 Comm: syz.1.449 Not tainted 5.15.185-syzkaller #0
[ 292.591233][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 292.601328][ T6569] Call Trace:
[ 292.604640][ T6569]
[ 292.607595][ T6569] dump_stack_lvl+0x168/0x230
[ 292.612481][ T6569] ? show_regs_print_info+0x20/0x20
[ 292.617902][ T6569] ? load_image+0x3b0/0x3b0
[ 292.622453][ T6569] sysfs_create_dir_ns+0x252/0x280
[ 292.627687][ T6569] ? __lock_acquire+0x7c60/0x7c60
[ 292.632852][ T6569] ? sysfs_warn_dup+0xa0/0xa0
[ 292.637648][ T6569] ? do_raw_spin_unlock+0x11d/0x230
[ 292.643001][ T6569] kobject_add_internal+0x662/0xd00
[ 292.648242][ T6569] kobject_init_and_add+0x122/0x190
[ 292.653564][ T6569] ? lockdep_softirqs_off+0x420/0x420
[ 292.658979][ T6569] ? kobject_add+0x210/0x210
[ 292.663697][ T6569] ? __init_swait_queue_head+0xa5/0x150
[ 292.669510][ T6569] gfs2_sys_fs_add+0x234/0x480
[ 292.674315][ T6569] ? gfs2_recover_set+0x240/0x240
[ 292.679546][ T6569] ? snprintf+0xd7/0x120
[ 292.683826][ T6569] ? __free_pages+0x95/0x1a0
[ 292.688564][ T6569] ? vscnprintf+0x80/0x80
[ 292.692946][ T6569] gfs2_fill_super+0x128d/0x1f50
[ 292.697927][ T6569] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.702982][ T6569] ? preempt_count_add+0x8d/0x190
[ 292.708056][ T6569] ? sb_set_blocksize+0xa5/0xe0
[ 292.713031][ T6569] get_tree_bdev+0x3f1/0x610
[ 292.717652][ T6569] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.722727][ T6569] gfs2_get_tree+0x4d/0x1e0
[ 292.727356][ T6569] vfs_get_tree+0x88/0x270
[ 292.731829][ T6569] do_new_mount+0x24a/0xa40
[ 292.736384][ T6569] __se_sys_mount+0x2d6/0x3c0
[ 292.741113][ T6569] ? __x64_sys_mount+0xc0/0xc0
[ 292.746093][ T6569] ? lockdep_hardirqs_on+0x94/0x140
[ 292.751562][ T6569] ? __x64_sys_mount+0x1c/0xc0
[ 292.756454][ T6569] do_syscall_64+0x4c/0xa0
[ 292.760902][ T6569] ? clear_bhb_loop+0x30/0x80
[ 292.765606][ T6569] ? clear_bhb_loop+0x30/0x80
[ 292.770317][ T6569] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 292.776447][ T6569] RIP: 0033:0x7f135335e90a
[ 292.781079][ T6569] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 292.800727][ T6569] RSP: 002b:00007f13525cde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.809228][ T6569] RAX: ffffffffffffffda RBX: 00007f13525cdef0 RCX: 00007f135335e90a
[ 292.817459][ T6569] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f13525cdeb0
[ 292.825462][ T6569] RBP: 0000200000000400 R08: 00007f13525cdef0 R09: 0000000000000000
[ 292.833986][ T6569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 292.841998][ T6569] R13: 00007f13525cdeb0 R14: 00000000000125bb R15: 00002000000004c0
[ 292.850024][ T6569]
[ 292.854361][ T6569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.867859][ T6569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.879711][ T27] Not tainted 5.15.185-syzkaller #0
[ 292.885547][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 292.895346][ T27] task:syz.0.42 state:D stack:25696 pid: 5261 ppid: 4915 flags:0x00004004
[ 292.913813][ T6571] loop5: detected capacity change from 0 to 32768
[ 292.930845][ T27] Call Trace:
[ 292.939137][ T27]
[ 292.952110][ T27] __schedule+0x11b8/0x43b0
[ 293.262626][ T6574] loop4: detected capacity change from 0 to 32768
[ 293.279058][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.286584][ T6574] CPU: 1 PID: 6574 Comm: syz.4.450 Not tainted 5.15.185-syzkaller #0
[ 293.294687][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 293.304863][ T6574] Call Trace:
[ 293.308189][ T6574]
[ 293.311259][ T6574] dump_stack_lvl+0x168/0x230
[ 293.316060][ T6574] ? show_regs_print_info+0x20/0x20
[ 293.321290][ T6574] ? load_image+0x3b0/0x3b0
[ 293.326021][ T6574] sysfs_create_dir_ns+0x252/0x280
[ 293.331249][ T6574] ? __lock_acquire+0x7c60/0x7c60
[ 293.336308][ T6574] ? sysfs_warn_dup+0xa0/0xa0
[ 293.341111][ T6574] ? do_raw_spin_unlock+0x11d/0x230
[ 293.346429][ T6574] kobject_add_internal+0x662/0xd00
[ 293.351764][ T6574] kobject_init_and_add+0x122/0x190
[ 293.357205][ T6574] ? lockdep_softirqs_off+0x420/0x420
[ 293.362806][ T6574] ? kobject_add+0x210/0x210
[ 293.367435][ T6574] ? __init_swait_queue_head+0xa5/0x150
[ 293.373045][ T6574] gfs2_sys_fs_add+0x234/0x480
[ 293.378118][ T6574] ? gfs2_recover_set+0x240/0x240
[ 293.383292][ T6574] ? snprintf+0xd7/0x120
[ 293.387725][ T6574] ? __free_pages+0x95/0x1a0
[ 293.392367][ T6574] ? vscnprintf+0x80/0x80
[ 293.396939][ T6574] gfs2_fill_super+0x128d/0x1f50
[ 293.401931][ T6574] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.407105][ T6574] ? preempt_count_add+0x8d/0x190
[ 293.412364][ T6574] ? sb_set_blocksize+0xa5/0xe0
[ 293.417430][ T6574] get_tree_bdev+0x3f1/0x610
[ 293.422101][ T6574] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.427167][ T6574] gfs2_get_tree+0x4d/0x1e0
[ 293.431826][ T6574] vfs_get_tree+0x88/0x270
[ 293.436284][ T6574] do_new_mount+0x24a/0xa40
[ 293.440933][ T6574] __se_sys_mount+0x2d6/0x3c0
[ 293.445648][ T6574] ? __x64_sys_mount+0xc0/0xc0
[ 293.450463][ T6574] ? lockdep_hardirqs_on+0x94/0x140
[ 293.455928][ T6574] ? __x64_sys_mount+0x1c/0xc0
[ 293.460832][ T6574] do_syscall_64+0x4c/0xa0
[ 293.465501][ T6574] ? clear_bhb_loop+0x30/0x80
[ 293.470219][ T6574] ? clear_bhb_loop+0x30/0x80
[ 293.474933][ T6574] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.481159][ T6574] RIP: 0033:0x7f04a215590a
[ 293.485750][ T6574] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 293.505485][ T6574] RSP: 002b:00007f04a13c4e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.514213][ T6574] RAX: ffffffffffffffda RBX: 00007f04a13c4ef0 RCX: 00007f04a215590a
[ 293.522312][ T6574] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f04a13c4eb0
[ 293.530470][ T6574] RBP: 0000200000000400 R08: 00007f04a13c4ef0 R09: 0000000000000000
[ 293.538546][ T6574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 293.546636][ T6574] R13: 00007f04a13c4eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 293.554747][ T6574]
[ 293.559396][ T6574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.572696][ T6574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.594417][ T27] ? rcu_read_lock_sched_held+0x86/0xf0
[ 293.600452][ T27] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 293.618384][ T27] ? release_firmware_map_entry+0x190/0x190
[ 293.643220][ T27] ? __update_load_avg_cfs_rq+0x6d0/0xb80
[ 293.659913][ T27] ? cpufreq_update_util+0x91/0x230
[ 293.670152][ T27] schedule+0x11b/0x1e0
[ 293.680371][ T27] schedule_timeout+0x97/0x280
[ 293.689117][ T27] ? console_conditional_schedule+0x40/0x40
[ 293.700365][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 293.721257][ T27] ? lock_chain_count+0x20/0x20
[ 293.728651][ T6579] loop3: detected capacity change from 0 to 32768
[ 293.737636][ T27] ? lock_chain_count+0x20/0x20
[ 293.742823][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 293.748155][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 293.753715][ T27] do_wait_for_common+0x29a/0x440
[ 293.759571][ T27] ? console_conditional_schedule+0x40/0x40
[ 293.765725][ T27] ? wait_for_completion_killable_timeout+0x60/0x60
[ 293.772454][ T27] ? _raw_spin_lock_irq+0xab/0xe0
[ 293.777754][ T27] ? try_to_wake_up+0x6cf/0x1050
[ 293.782744][ T27] wait_for_completion+0x48/0x60
[ 293.787836][ T27] kthread_stop+0x16e/0x540
[ 293.792382][ T27] gfs2_make_fs_ro+0x14c/0x5d0
[ 293.797290][ T27] ? gfs2_dinode_out+0xb00/0xb00
[ 293.802455][ T27] ? do_raw_spin_lock+0x11d/0x280
[ 293.807622][ T27] ? __rwlock_init+0x140/0x140
[ 293.812636][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 293.817925][ T27] ? gfs2_glock_is_locked_by_me+0x16f/0x190
[ 293.823860][ T27] gfs2_withdraw+0x5f9/0x1460
[ 293.828711][ T27] ? gfs2_lm+0x220/0x220
[ 293.833145][ T27] ? gfs2_meta_buffer+0x310/0x310
[ 293.839397][ T27] ? from_kuid_munged+0x690/0x690
[ 293.849420][ T27] gfs2_metatype_check_ii+0x74/0x90
[ 293.860383][ T27] gfs2_quota_init+0xc81/0xe80
[ 293.867675][ T27] ? qd_get+0x5f0/0x5f0
[ 293.871984][ T27] gfs2_make_fs_rw+0x3f5/0x560
[ 293.881330][ T27] ? _raw_spin_unlock+0x24/0x40
[ 293.888880][ T27] ? gfs2_glock_nq+0xcb0/0x1550
[ 293.893891][ T27] ? gfs2_jdesc_check+0x290/0x290
[ 293.903916][ T27] gfs2_fill_super+0x188a/0x1f50
[ 293.911585][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.921327][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 293.928886][ T27] ? preempt_count_add+0x8d/0x190
[ 293.934075][ T27] ? gfs2_freeze_lock+0x52/0xc0
[ 293.943540][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 293.951062][ T27] get_tree_bdev+0x3f1/0x610
[ 293.964413][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.969723][ T27] gfs2_get_tree+0x4d/0x1e0
[ 293.978191][ T27] vfs_get_tree+0x88/0x270
[ 293.983152][ T27] do_new_mount+0x24a/0xa40
[ 293.988096][ T27] __se_sys_mount+0x2d6/0x3c0
[ 293.992826][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 293.998339][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 294.003580][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 294.009082][ T27] do_syscall_64+0x4c/0xa0
[ 294.013537][ T27] ? clear_bhb_loop+0x30/0x80
[ 294.020387][ T27] ? clear_bhb_loop+0x30/0x80
[ 294.025483][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 294.031785][ T27] RIP: 0033:0x7f1fe4c6790a
[ 294.036685][ T27] RSP: 002b:00007f1fe3ed6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.045699][ T27] RAX: ffffffffffffffda RBX: 00007f1fe3ed6ef0 RCX: 00007f1fe4c6790a
[ 294.053832][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1fe3ed6eb0
[ 294.071195][ T27] RBP: 0000200000000400 R08: 00007f1fe3ed6ef0 R09: 0000000000000000
[ 294.079907][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 294.095159][ T27] R13: 00007f1fe3ed6eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 294.103403][ T27]
[ 294.114022][ T27] INFO: task gfs2_quotad:5282 blocked for more than 145 seconds.
[ 294.123966][ T27] Not tainted 5.15.185-syzkaller #0
[ 294.155192][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.162675][ T6571] CPU: 1 PID: 6571 Comm: syz.5.447 Not tainted 5.15.185-syzkaller #0
[ 294.170901][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 294.180990][ T6571] Call Trace:
[ 294.184301][ T6571]
[ 294.187369][ T6571] dump_stack_lvl+0x168/0x230
[ 294.192174][ T6571] ? show_regs_print_info+0x20/0x20
[ 294.197401][ T6571] ? load_image+0x3b0/0x3b0
[ 294.201947][ T6571] sysfs_create_dir_ns+0x252/0x280
[ 294.207181][ T6571] ? __lock_acquire+0x7c60/0x7c60
[ 294.212240][ T6571] ? sysfs_warn_dup+0xa0/0xa0
[ 294.216960][ T6571] ? do_raw_spin_unlock+0x11d/0x230
[ 294.222198][ T6571] kobject_add_internal+0x662/0xd00
[ 294.227442][ T6571] kobject_init_and_add+0x122/0x190
[ 294.232676][ T6571] ? lockdep_softirqs_off+0x420/0x420
[ 294.238086][ T6571] ? kobject_add+0x210/0x210
[ 294.242715][ T6571] ? __init_swait_queue_head+0xa5/0x150
[ 294.248387][ T6571] gfs2_sys_fs_add+0x234/0x480
[ 294.253209][ T6571] ? gfs2_recover_set+0x240/0x240
[ 294.258483][ T6571] ? snprintf+0xd7/0x120
[ 294.262765][ T6571] ? __free_pages+0x95/0x1a0
[ 294.267475][ T6571] ? vscnprintf+0x80/0x80
[ 294.271843][ T6571] gfs2_fill_super+0x128d/0x1f50
[ 294.276835][ T6571] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.281995][ T6571] ? preempt_count_add+0x8d/0x190
[ 294.287208][ T6571] ? sb_set_blocksize+0xa5/0xe0
[ 294.292088][ T6571] get_tree_bdev+0x3f1/0x610
[ 294.296793][ T6571] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.301931][ T6571] gfs2_get_tree+0x4d/0x1e0
[ 294.306548][ T6571] vfs_get_tree+0x88/0x270
[ 294.311216][ T6571] do_new_mount+0x24a/0xa40
[ 294.315754][ T6571] __se_sys_mount+0x2d6/0x3c0
[ 294.320462][ T6571] ? __x64_sys_mount+0xc0/0xc0
[ 294.325339][ T6571] ? lockdep_hardirqs_on+0x94/0x140
[ 294.330561][ T6571] ? __x64_sys_mount+0x1c/0xc0
[ 294.335367][ T6571] do_syscall_64+0x4c/0xa0
[ 294.339815][ T6571] ? clear_bhb_loop+0x30/0x80
[ 294.344518][ T6571] ? clear_bhb_loop+0x30/0x80
[ 294.349222][ T6571] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 294.355153][ T6571] RIP: 0033:0x7f4ee4b1c90a
[ 294.359619][ T6571] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 294.379253][ T6571] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.387988][ T6571] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 294.396004][ T6571] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 294.404271][ T6571] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 294.412284][ T6571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 294.420462][ T6571] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 294.428484][ T6571]
[ 294.431626][ T6571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.444973][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.502952][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 294.563945][ T27] task:gfs2_quotad state:D stack:27112 pid: 5282 ppid: 2 flags:0x00004000
[ 294.614436][ T27] Call Trace:
[ 294.617775][ T27]
[ 294.620824][ T27] __schedule+0x11b8/0x43b0
[ 294.628735][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 294.644386][ T27] ? lock_chain_count+0x20/0x20
[ 294.649407][ T27] ? release_firmware_map_entry+0x190/0x190
[ 294.671786][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 294.681980][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 294.750782][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 295.020790][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 295.039244][ T27] schedule+0x11b/0x1e0
[ 295.054485][ T27] bit_wait+0xd/0xc0
[ 295.058486][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 295.081893][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 295.093424][ T27] ? __wait_on_bit+0x170/0x170
[ 295.101111][ T27] ? bit_waitqueue+0x30/0x30
[ 295.106075][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 295.111326][ T27] __gfs2_glock_dq+0x6b5/0xa10
[ 295.116211][ T27] gfs2_glock_dq_uninit+0x4f/0x110
[ 295.121370][ T27] gfs2_statfs_sync+0x6fa/0x780
[ 295.126352][ T27] ? update_statfs+0x320/0x320
[ 295.131160][ T27] ? finish_task_switch+0x12f/0x640
[ 295.136524][ T27] ? gfs2_statfs_sync+0x138/0x780
[ 295.141601][ T27] gfs2_quotad+0x365/0x880
[ 295.146188][ T27] ? gfs2_wake_up_statfs+0xc0/0xc0
[ 295.151451][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 295.157457][ T27] ? init_wait_entry+0xd0/0xd0
[ 295.162271][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 295.168330][ T27] ? __kthread_parkme+0x157/0x1b0
[ 295.173625][ T27] kthread+0x436/0x520
[ 295.178210][ T27] ? gfs2_wake_up_statfs+0xc0/0xc0
[ 295.183523][ T27] ? kthread_blkcg+0xd0/0xd0
[ 295.196287][ T27] ret_from_fork+0x1f/0x30
[ 295.200886][ T27]
[ 295.208538][ T27]
[ 295.208538][ T27] Showing all locks held in the system:
[ 295.215981][ T6575] loop1: detected capacity change from 0 to 32768
[ 295.216422][ T27] 1 lock held by khungtaskd/27:
[ 295.254569][ T6579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.261998][ T6579] CPU: 0 PID: 6579 Comm: syz.3.452 Not tainted 5.15.185-syzkaller #0
[ 295.270183][ T6579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 295.280556][ T6579] Call Trace:
[ 295.283871][ T6579]
[ 295.286823][ T6579] dump_stack_lvl+0x168/0x230
[ 295.291539][ T6579] ? show_regs_print_info+0x20/0x20
[ 295.296769][ T6579] ? load_image+0x3b0/0x3b0
[ 295.301396][ T6579] sysfs_create_dir_ns+0x252/0x280
[ 295.306632][ T6579] ? __lock_acquire+0x7c60/0x7c60
[ 295.311807][ T6579] ? sysfs_warn_dup+0xa0/0xa0
[ 295.316635][ T6579] ? do_raw_spin_unlock+0x11d/0x230
[ 295.321868][ T6579] kobject_add_internal+0x662/0xd00
[ 295.327112][ T6579] kobject_init_and_add+0x122/0x190
[ 295.332435][ T6579] ? lockdep_softirqs_off+0x420/0x420
[ 295.337987][ T6579] ? kobject_add+0x210/0x210
[ 295.342646][ T6579] ? __init_swait_queue_head+0xa5/0x150
[ 295.348324][ T6579] gfs2_sys_fs_add+0x234/0x480
[ 295.353229][ T6579] ? gfs2_recover_set+0x240/0x240
[ 295.358308][ T6579] ? snprintf+0xd7/0x120
[ 295.362450][ T6602] loop2: detected capacity change from 0 to 32768
[ 295.362629][ T6579] ? __free_pages+0x95/0x1a0
[ 295.373745][ T6579] ? vscnprintf+0x80/0x80
[ 295.378126][ T6579] gfs2_fill_super+0x128d/0x1f50
[ 295.383120][ T6579] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.388320][ T6579] ? preempt_count_add+0x8d/0x190
[ 295.393516][ T6579] ? sb_set_blocksize+0xa5/0xe0
[ 295.398612][ T6579] get_tree_bdev+0x3f1/0x610
[ 295.403248][ T6579] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.408397][ T6579] gfs2_get_tree+0x4d/0x1e0
[ 295.412944][ T6579] vfs_get_tree+0x88/0x270
[ 295.417406][ T6579] do_new_mount+0x24a/0xa40
[ 295.421961][ T6579] __se_sys_mount+0x2d6/0x3c0
[ 295.424406][ T27] #0: ffffffff8c11bfa0 (
[ 295.426792][ T6579] ? __x64_sys_mount+0xc0/0xc0
[ 295.436008][ T6579] ? lockdep_hardirqs_on+0x94/0x140
[ 295.441240][ T6579] ? __x64_sys_mount+0x1c/0xc0
[ 295.446132][ T6579] do_syscall_64+0x4c/0xa0
[ 295.450589][ T6579] ? clear_bhb_loop+0x30/0x80
[ 295.455411][ T6579] ? clear_bhb_loop+0x30/0x80
[ 295.460218][ T6579] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 295.462215][ T27] rcu_read_lock
[ 295.466156][ T6579] RIP: 0033:0x7f2939f6690a
[ 295.466187][ T6579] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 295.466205][ T6579] RSP: 002b:00007f29391d5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.466236][ T6579] RAX: ffffffffffffffda RBX: 00007f29391d5ef0 RCX: 00007f2939f6690a
[ 295.466252][ T6579] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f29391d5eb0
[ 295.466267][ T6579] RBP: 0000200000000400 R08: 00007f29391d5ef0 R09: 0000000000000000
[ 295.466283][ T6579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 295.466296][ T6579] R13: 00007f29391d5eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 295.543699][ T6579]
[ 295.547712][ T6579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.557288][ T27] ){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 295.561369][ T6579] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/06/24 21:50:36 executed programs: 451
[ 295.704379][ T27] 3 locks held by kworker/1:3/2290:
[ 295.899735][ T6608] loop5: detected capacity change from 0 to 32768
[ 296.167071][ T27] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[ 296.236567][ T6612] loop4: detected capacity change from 0 to 32768
[ 296.253441][ T27] #1: ffffc90005d3fd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[ 296.266813][ T27] #2: ffffffff8c120a28 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x320/0x6b0
[ 296.278357][ T27] 1 lock held by udevd/3548:
[ 296.283101][ T27] #0: ffff888020112118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[ 296.293760][ T27] 2 locks held by getty/3937:
[ 296.299262][ T27] #0: ffff88814c5e6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 296.334410][ T27] #1: ffffc900025d62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 296.364410][ T27] 2 locks held by kworker/1:4/4229:
[ 296.369911][ T27] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[ 296.419808][ T27] #1: ffffc900030cfd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[ 296.494067][ T27] 2 locks held by kworker/1:6/4258:
[ 296.514562][ T27] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[ 296.548925][ T27] #1: ffffc9000301fd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[ 296.576437][ T27] 3 locks held by kworker/0:16/4907:
[ 296.581799][ T27] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[ 296.592482][ T27] #1: ffffc9000325fd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[ 296.605152][ T27] #2: ffffffff8c120a28 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x347/0x6b0
[ 296.616357][ T27] 2 locks held by udevd/5241:
[ 296.621062][ T27] #0: ffff8880201bad18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 296.631098][ T27] #1: ffff888146ff7468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[ 296.640853][ T27] 1 lock held by syz.0.42/5261:
[ 296.645791][ T27] #0: ffff88801f4d40e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 296.656100][ T27] 2 locks held by syz.1.451/6575:
[ 296.661158][ T27] #0: ffff888020112118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 296.671868][ T27] #1: ffff888020322468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 296.682141][ T27] 2 locks held by syz.2.455/6602:
[ 296.689954][ T27] #0: ffff888020113d18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 296.699757][ T27] #1: ffff888020325468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 296.709040][ T27] 1 lock held by dhcpcd-run-hook/6603:
[ 296.714576][ T27] #0: ffff8880b913a318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 296.725211][ T27] 2 locks held by syz.5.456/6608:
[ 296.730270][ T27] #0: ffff8880201c2118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 296.739703][ T27] #1: ffff88814709d468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 296.749737][ T27] 2 locks held by syz.4.458/6612:
[ 296.759589][ T27] #0: ffff8880201c0518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 296.771226][ T27] #1: ffff88814709a468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 296.780911][ T27] 1 lock held by syz.3.459/6614:
[ 296.787156][ T27] #0: ffff8880201bad18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[ 296.798665][ T27] 1 lock held by rm/6622:
[ 296.803121][ T27]
[ 296.807154][ T27] =============================================
[ 296.807154][ T27]
[ 296.816384][ T27] NMI backtrace for cpu 1
[ 296.820746][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0
[ 296.828758][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 296.838850][ T27] Call Trace:
[ 296.842167][ T27]
[ 296.845127][ T27] dump_stack_lvl+0x168/0x230
[ 296.849847][ T27] ? show_regs_print_info+0x20/0x20
[ 296.855180][ T27] ? load_image+0x3b0/0x3b0
[ 296.859821][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 296.865505][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 296.870670][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 296.875655][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 296.881941][ T27] ? _printk+0xcc/0x110
[ 296.886125][ T27] ? load_image+0x3b0/0x3b0
[ 296.890843][ T27] ? load_image+0x3b0/0x3b0
[ 296.895367][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 296.901538][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 296.907529][ T27] watchdog+0xe0f/0xe50
[ 296.911847][ T27] kthread+0x436/0x520
[ 296.915942][ T27] ? hungtask_pm_notify+0x40/0x40
[ 296.921143][ T27] ? kthread_blkcg+0xd0/0xd0
[ 296.925766][ T27] ret_from_fork+0x1f/0x30
[ 296.930311][ T27]
[ 296.934608][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 296.940076][ C0] NMI backtrace for cpu 0
[ 296.940096][ C0] CPU: 0 PID: 5088 Comm: kworker/u4:6 Not tainted 5.15.185-syzkaller #0
[ 296.940114][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 296.940125][ C0] Workqueue: bat_events batadv_nc_worker
[ 296.940147][ C0] RIP: 0010:__local_bh_disable_ip+0x92/0x190
[ 296.940168][ C0] Code: c6 44 3c 0b f3 65 8b 05 f4 10 ba 7e a9 00 00 0f 00 0f 85 df 00 00 00 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 4c 8b 74 24 40 65 01 1d ce 10 ba 7e 65 8b 05 c7 10 ba 7e 31 d8 a9 00 ff 00 00
[ 296.940183][ C0] RSP: 0018:ffffc900030bfa80 EFLAGS: 00000246
[ 296.940196][ C0] RAX: 0000000080000000 RBX: 0000000000000201 RCX: 1ffff1100b3795b9
[ 296.940207][ C0] RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff897730b7
[ 296.940218][ C0] RBP: ffffc900030bfb20 R08: dffffc0000000000 R09: fffffbfff1ff3638
[ 296.940231][ C0] R10: fffffbfff1ff3638 R11: 1ffffffff1ff3637 R12: 1ffff92000617f50
[ 296.940244][ C0] R13: dffffc0000000000 R14: 0000000000000246 R15: dffffc0000000000
[ 296.940256][ C0] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 296.940270][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 296.940281][ C0] CR2: 0000562ea860a138 CR3: 0000000022a5f000 CR4: 00000000003506f0
[ 296.940298][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 296.940308][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 296.940318][ C0] Call Trace:
[ 296.940324][ C0]
[ 296.940332][ C0] ? __bpf_trace_softirq+0x10/0x10
[ 296.940348][ C0] ? __local_bh_enable_ip+0x12a/0x1b0
[ 296.940364][ C0] ? _local_bh_enable+0xa0/0xa0
[ 296.940380][ C0] ? do_raw_spin_unlock+0x11d/0x230
[ 296.940398][ C0] ? batadv_nc_purge_paths+0xe7/0x3b0
[ 296.940415][ C0] _raw_spin_lock_bh+0x18/0x50
[ 296.940435][ C0] ? batadv_nc_to_purge_nc_path_coding+0x120/0x120
[ 296.940453][ C0] batadv_nc_purge_paths+0xe7/0x3b0
[ 296.940476][ C0] batadv_nc_worker+0x327/0x5c0
[ 296.940496][ C0] process_one_work+0x863/0x1000
[ 296.940520][ C0] ? worker_detach_from_pool+0x240/0x240
[ 296.940537][ C0] ? lockdep_hardirqs_off+0x70/0x100
[ 296.940558][ C0] ? _raw_spin_lock_irq+0xab/0xe0
[ 296.940576][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 296.940596][ C0] ? wq_worker_running+0x97/0x170
[ 296.940613][ C0] worker_thread+0xaa8/0x12a0
[ 296.940643][ C0] kthread+0x436/0x520
[ 296.940658][ C0] ? rcu_lock_release+0x20/0x20
[ 296.940673][ C0] ? kthread_blkcg+0xd0/0xd0
[ 296.940689][ C0] ret_from_fork+0x1f/0x30
[ 296.940713][ C0]
[ 296.948611][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.950200][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 296.957469][ T6602] CPU: 1 PID: 6602 Comm: syz.2.455 Not tainted 5.15.185-syzkaller #0
[ 297.218200][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 297.228370][ T6602] Call Trace:
[ 297.231656][ T6602]
[ 297.234597][ T6602] dump_stack_lvl+0x168/0x230
[ 297.239288][ T6602] ? show_regs_print_info+0x20/0x20
[ 297.244493][ T6602] ? load_image+0x3b0/0x3b0
[ 297.249011][ T6602] sysfs_create_dir_ns+0x252/0x280
[ 297.254147][ T6602] ? __lock_acquire+0x7c60/0x7c60
[ 297.259187][ T6602] ? sysfs_warn_dup+0xa0/0xa0
[ 297.263874][ T6602] ? do_raw_spin_unlock+0x11d/0x230
[ 297.269176][ T6602] kobject_add_internal+0x662/0xd00
[ 297.274565][ T6602] kobject_init_and_add+0x122/0x190
[ 297.279772][ T6602] ? lockdep_softirqs_off+0x420/0x420
[ 297.285336][ T6602] ? kobject_add+0x210/0x210
[ 297.289945][ T6602] ? __init_swait_queue_head+0xa5/0x150
[ 297.295824][ T6602] gfs2_sys_fs_add+0x234/0x480
[ 297.300609][ T6602] ? gfs2_recover_set+0x240/0x240
[ 297.305656][ T6602] ? snprintf+0xd7/0x120
[ 297.310084][ T6602] ? __free_pages+0x95/0x1a0
[ 297.314890][ T6602] ? vscnprintf+0x80/0x80
[ 297.319235][ T6602] gfs2_fill_super+0x128d/0x1f50
[ 297.324368][ T6602] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.329517][ T6602] ? preempt_count_add+0x8d/0x190
[ 297.334579][ T6602] ? sb_set_blocksize+0xa5/0xe0
[ 297.339897][ T6602] get_tree_bdev+0x3f1/0x610
[ 297.344599][ T6602] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.349680][ T6602] gfs2_get_tree+0x4d/0x1e0
[ 297.354201][ T6602] vfs_get_tree+0x88/0x270
[ 297.358764][ T6602] do_new_mount+0x24a/0xa40
[ 297.363390][ T6602] __se_sys_mount+0x2d6/0x3c0
[ 297.368102][ T6602] ? __x64_sys_mount+0xc0/0xc0
[ 297.372889][ T6602] ? lockdep_hardirqs_on+0x94/0x140
[ 297.378106][ T6602] ? __x64_sys_mount+0x1c/0xc0
[ 297.382988][ T6602] do_syscall_64+0x4c/0xa0
[ 297.387412][ T6602] ? clear_bhb_loop+0x30/0x80
[ 297.392445][ T6602] ? clear_bhb_loop+0x30/0x80
[ 297.397139][ T6602] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 297.403113][ T6602] RIP: 0033:0x7f3360a9890a
[ 297.407707][ T6602] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 297.427810][ T6602] RSP: 002b:00007f335fd07e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.436357][ T6602] RAX: ffffffffffffffda RBX: 00007f335fd07ef0 RCX: 00007f3360a9890a
[ 297.444355][ T6602] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f335fd07eb0
[ 297.452343][ T6602] RBP: 0000200000000400 R08: 00007f335fd07ef0 R09: 0000000000000000
[ 297.460560][ T6602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 297.468572][ T6602] R13: 00007f335fd07eb0 R14: 00000000000125bb R15: 00002000000004c0
[ 297.476589][ T6602]
[ 297.479638][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0
[ 297.479742][ T6602] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.487641][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 297.487656][ T27] Call Trace:
[ 297.487664][ T27]
[ 297.487673][ T27] dump_stack_lvl+0x168/0x230
[ 297.500829][ T6602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.511280][ T27] ? show_regs_print_info+0x20/0x20
[ 297.511309][ T27] ? load_image+0x3b0/0x3b0
[ 297.537147][ T6608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.538661][ T27] panic+0x2c9/0x7f0
[ 297.550226][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 297.555874][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 297.560389][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 297.565957][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 297.572132][ T27] watchdog+0xe4e/0xe50
[ 297.576394][ T27] kthread+0x436/0x520
[ 297.580571][ T27] ? hungtask_pm_notify+0x40/0x40
[ 297.585703][ T27] ? kthread_blkcg+0xd0/0xd0
[ 297.590326][ T27] ret_from_fork+0x1f/0x30
[ 297.594766][ T27]
[ 297.597796][ T6608] CPU: 1 PID: 6608 Comm: syz.5.456 Not tainted 5.15.185-syzkaller #0
[ 297.605977][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 297.616214][ T6608] Call Trace:
[ 297.619517][ T6608]
[ 297.622544][ T6608] dump_stack_lvl+0x168/0x230
[ 297.627244][ T6608] ? show_regs_print_info+0x20/0x20
[ 297.632460][ T6608] ? load_image+0x3b0/0x3b0
[ 297.637071][ T6608] sysfs_create_dir_ns+0x252/0x280
[ 297.642193][ T6608] ? __lock_acquire+0x7c60/0x7c60
[ 297.647230][ T6608] ? sysfs_warn_dup+0xa0/0xa0
[ 297.651920][ T6608] ? do_raw_spin_unlock+0x11d/0x230
[ 297.657151][ T6608] kobject_add_internal+0x662/0xd00
[ 297.662544][ T6608] kobject_init_and_add+0x122/0x190
[ 297.667749][ T6608] ? lockdep_softirqs_off+0x420/0x420
[ 297.673173][ T6608] ? kobject_add+0x210/0x210
[ 297.677832][ T6608] ? __init_swait_queue_head+0xa5/0x150
[ 297.683399][ T6608] gfs2_sys_fs_add+0x234/0x480
[ 297.688189][ T6608] ? gfs2_recover_set+0x240/0x240
[ 297.693251][ T6608] ? snprintf+0xd7/0x120
[ 297.697798][ T6608] ? __free_pages+0x95/0x1a0
[ 297.702450][ T6608] ? vscnprintf+0x80/0x80
[ 297.706908][ T6608] gfs2_fill_super+0x128d/0x1f50
[ 297.711979][ T6608] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.717027][ T6608] ? preempt_count_add+0x8d/0x190
[ 297.722108][ T6608] ? sb_set_blocksize+0xa5/0xe0
[ 297.726974][ T6608] get_tree_bdev+0x3f1/0x610
[ 297.731600][ T6608] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.736751][ T6608] gfs2_get_tree+0x4d/0x1e0
[ 297.741303][ T6608] vfs_get_tree+0x88/0x270
[ 297.745754][ T6608] do_new_mount+0x24a/0xa40
[ 297.750404][ T6608] __se_sys_mount+0x2d6/0x3c0
[ 297.755115][ T6608] ? __x64_sys_mount+0xc0/0xc0
[ 297.760017][ T6608] ? lockdep_hardirqs_on+0x94/0x140
[ 297.765248][ T6608] ? __x64_sys_mount+0x1c/0xc0
[ 297.770080][ T6608] do_syscall_64+0x4c/0xa0
[ 297.774518][ T6608] ? clear_bhb_loop+0x30/0x80
[ 297.779210][ T6608] ? clear_bhb_loop+0x30/0x80
[ 297.783899][ T6608] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 297.790157][ T6608] RIP: 0033:0x7f4ee4b1c90a
[ 297.794589][ T6608] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 297.814505][ T6608] RSP: 002b:00007f4ee3d8be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.823127][ T6608] RAX: ffffffffffffffda RBX: 00007f4ee3d8bef0 RCX: 00007f4ee4b1c90a
[ 297.831114][ T6608] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4ee3d8beb0
[ 297.839105][ T6608] RBP: 0000200000000400 R08: 00007f4ee3d8bef0 R09: 0000000000000000
[ 297.847098][ T6608] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 297.855074][ T6608] R13: 00007f4ee3d8beb0 R14: 00000000000125bb R15: 00002000000004c0
[ 297.863193][ T6608]
[ 297.866535][ T27] Kernel Offset: disabled
[ 297.871117][ T27] Rebooting in 86400 seconds..