detected capacity change from 0 to 32768
[ 281.294186][ T4635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.301782][ T4635] CPU: 0 PID: 4635 Comm: syz.1.189 Not tainted syzkaller #0
[ 281.309114][ T4635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.319201][ T4635] Call Trace:
[ 281.322521][ T4635]
[ 281.325488][ T4635] dump_stack_lvl+0x188/0x24e
[ 281.330224][ T4635] ? show_regs_print_info+0x12/0x12
[ 281.335486][ T4635] ? load_image+0x400/0x400
[ 281.340054][ T4635] sysfs_create_dir_ns+0x26a/0x290
[ 281.345243][ T4635] ? sysfs_warn_dup+0xa0/0xa0
[ 281.349981][ T4635] ? do_raw_spin_unlock+0x11d/0x230
[ 281.355233][ T4635] kobject_add_internal+0x61c/0xcc0
[ 281.360487][ T4635] kobject_init_and_add+0x128/0x190
[ 281.365722][ T4635] ? lockdep_softirqs_off+0x430/0x430
[ 281.371139][ T4635] ? kobject_add+0x230/0x230
[ 281.375761][ T4635] ? __init_swait_queue_head+0xa5/0x150
[ 281.381356][ T4635] gfs2_sys_fs_add+0x24f/0x4b0
[ 281.386156][ T4635] ? gfs2_recover_set+0x240/0x240
[ 281.391219][ T4635] ? snprintf+0xe5/0x140
[ 281.395505][ T4635] ? vscnprintf+0x80/0x80
[ 281.399882][ T4635] gfs2_fill_super+0x128c/0x1fb0
[ 281.404869][ T4635] ? gfs2_reconfigure+0xd30/0xd30
[ 281.409933][ T4635] ? sb_set_blocksize+0xa5/0xe0
[ 281.414831][ T4635] get_tree_bdev+0x3f1/0x610
[ 281.419458][ T4635] ? gfs2_reconfigure+0xd30/0xd30
[ 281.424518][ T4635] gfs2_get_tree+0x4d/0x1e0
[ 281.429052][ T4635] vfs_get_tree+0x88/0x270
[ 281.433492][ T4635] do_new_mount+0x24a/0xa40
[ 281.438027][ T4635] __se_sys_mount+0x2e3/0x3d0
[ 281.442725][ T4635] ? __x64_sys_mount+0xc0/0xc0
[ 281.447505][ T4635] ? lockdep_hardirqs_on+0x94/0x140
[ 281.452743][ T4635] ? __x64_sys_mount+0x1c/0xc0
[ 281.457533][ T4635] do_syscall_64+0x4c/0xa0
[ 281.461972][ T4635] ? clear_bhb_loop+0x60/0xb0
[ 281.466666][ T4635] ? clear_bhb_loop+0x60/0xb0
[ 281.471369][ T4635] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 281.477291][ T4635] RIP: 0033:0x7f106fb9e04a
[ 281.481728][ T4635] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 281.501366][ T4635] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.509829][ T4635] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 281.517831][ T4635] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 281.525848][ T4635] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 281.533841][ T4635] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 281.541884][ T4635] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 281.549913][ T4635]
[ 281.559003][ T4635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.573300][ T4635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.878039][ T4636] loop1: detected capacity change from 0 to 32768
[ 281.890758][ T4636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.899005][ T4636] CPU: 0 PID: 4636 Comm: syz.1.190 Not tainted syzkaller #0
[ 281.906341][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.916434][ T4636] Call Trace:
[ 281.919751][ T4636]
[ 281.922743][ T4636] dump_stack_lvl+0x188/0x24e
[ 281.927490][ T4636] ? show_regs_print_info+0x12/0x12
[ 281.932743][ T4636] ? load_image+0x400/0x400
[ 281.937317][ T4636] sysfs_create_dir_ns+0x26a/0x290
[ 281.942478][ T4636] ? sysfs_warn_dup+0xa0/0xa0
[ 281.947210][ T4636] ? do_raw_spin_unlock+0x11d/0x230
[ 281.952457][ T4636] kobject_add_internal+0x61c/0xcc0
[ 281.957715][ T4636] kobject_init_and_add+0x128/0x190
[ 281.962963][ T4636] ? lockdep_softirqs_off+0x430/0x430
[ 281.968363][ T4636] ? kobject_add+0x230/0x230
[ 281.972986][ T4636] ? __init_swait_queue_head+0xa5/0x150
[ 281.978566][ T4636] gfs2_sys_fs_add+0x24f/0x4b0
[ 281.983368][ T4636] ? gfs2_recover_set+0x240/0x240
[ 281.988427][ T4636] ? snprintf+0xe5/0x140
[ 281.992713][ T4636] ? vscnprintf+0x80/0x80
[ 281.997071][ T4636] gfs2_fill_super+0x128c/0x1fb0
[ 282.002037][ T4636] ? gfs2_reconfigure+0xd30/0xd30
[ 282.007092][ T4636] ? sb_set_blocksize+0xa5/0xe0
[ 282.011971][ T4636] get_tree_bdev+0x3f1/0x610
[ 282.016585][ T4636] ? gfs2_reconfigure+0xd30/0xd30
[ 282.021638][ T4636] gfs2_get_tree+0x4d/0x1e0
[ 282.026186][ T4636] vfs_get_tree+0x88/0x270
[ 282.030646][ T4636] do_new_mount+0x24a/0xa40
[ 282.035175][ T4636] __se_sys_mount+0x2e3/0x3d0
[ 282.039895][ T4636] ? __x64_sys_mount+0xc0/0xc0
[ 282.044699][ T4636] ? lockdep_hardirqs_on+0x94/0x140
[ 282.049918][ T4636] ? __x64_sys_mount+0x1c/0xc0
[ 282.054712][ T4636] do_syscall_64+0x4c/0xa0
[ 282.059172][ T4636] ? clear_bhb_loop+0x60/0xb0
[ 282.063901][ T4636] ? clear_bhb_loop+0x60/0xb0
[ 282.068608][ T4636] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 282.074550][ T4636] RIP: 0033:0x7f106fb9e04a
[ 282.078989][ T4636] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 282.098624][ T4636] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.107055][ T4636] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 282.115050][ T4636] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 282.123036][ T4636] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 282.131032][ T4636] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 282.139106][ T4636] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 282.147107][ T4636]
[ 282.161686][ T4636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.174953][ T4636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.482947][ T4637] loop1: detected capacity change from 0 to 32768
[ 282.501536][ T4637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.509059][ T4637] CPU: 1 PID: 4637 Comm: syz.1.191 Not tainted syzkaller #0
[ 282.516391][ T4637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 282.526483][ T4637] Call Trace:
[ 282.529795][ T4637]
[ 282.532764][ T4637] dump_stack_lvl+0x188/0x24e
[ 282.537497][ T4637] ? show_regs_print_info+0x12/0x12
[ 282.542744][ T4637] ? load_image+0x400/0x400
[ 282.547301][ T4637] sysfs_create_dir_ns+0x26a/0x290
[ 282.552466][ T4637] ? sysfs_warn_dup+0xa0/0xa0
[ 282.557194][ T4637] ? do_raw_spin_unlock+0x11d/0x230
[ 282.562416][ T4637] kobject_add_internal+0x61c/0xcc0
[ 282.567658][ T4637] kobject_init_and_add+0x128/0x190
[ 282.572882][ T4637] ? lockdep_softirqs_off+0x430/0x430
[ 282.578278][ T4637] ? kobject_add+0x230/0x230
[ 282.582901][ T4637] ? __init_swait_queue_head+0xa5/0x150
[ 282.588476][ T4637] gfs2_sys_fs_add+0x24f/0x4b0
[ 282.593292][ T4637] ? gfs2_recover_set+0x240/0x240
[ 282.598352][ T4637] ? snprintf+0xe5/0x140
[ 282.602624][ T4637] ? vscnprintf+0x80/0x80
[ 282.606990][ T4637] gfs2_fill_super+0x128c/0x1fb0
[ 282.611981][ T4637] ? gfs2_reconfigure+0xd30/0xd30
[ 282.617042][ T4637] ? sb_set_blocksize+0xa5/0xe0
[ 282.621929][ T4637] get_tree_bdev+0x3f1/0x610
[ 282.626546][ T4637] ? gfs2_reconfigure+0xd30/0xd30
[ 282.631611][ T4637] gfs2_get_tree+0x4d/0x1e0
[ 282.636160][ T4637] vfs_get_tree+0x88/0x270
[ 282.640637][ T4637] do_new_mount+0x24a/0xa40
[ 282.645176][ T4637] __se_sys_mount+0x2e3/0x3d0
[ 282.649886][ T4637] ? __x64_sys_mount+0xc0/0xc0
[ 282.654702][ T4637] ? lockdep_hardirqs_on+0x94/0x140
[ 282.659925][ T4637] ? __x64_sys_mount+0x1c/0xc0
[ 282.664712][ T4637] do_syscall_64+0x4c/0xa0
[ 282.669173][ T4637] ? clear_bhb_loop+0x60/0xb0
[ 282.673870][ T4637] ? clear_bhb_loop+0x60/0xb0
[ 282.678570][ T4637] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 282.684501][ T4637] RIP: 0033:0x7f106fb9e04a
[ 282.688943][ T4637] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 282.708577][ T4637] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.717014][ T4637] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 282.725002][ T4637] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 282.732993][ T4637] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 282.740981][ T4637] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 282.748983][ T4637] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 282.757000][ T4637]
[ 282.762789][ T4637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.776686][ T4637] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.103003][ T4638] loop1: detected capacity change from 0 to 32768
[ 283.116987][ T4638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.124480][ T4638] CPU: 0 PID: 4638 Comm: syz.1.192 Not tainted syzkaller #0
[ 283.131792][ T4638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.141854][ T4638] Call Trace:
[ 283.145148][ T4638]
[ 283.148084][ T4638] dump_stack_lvl+0x188/0x24e
[ 283.152775][ T4638] ? show_regs_print_info+0x12/0x12
[ 283.158003][ T4638] ? load_image+0x400/0x400
[ 283.162520][ T4638] sysfs_create_dir_ns+0x26a/0x290
[ 283.167673][ T4638] ? sysfs_warn_dup+0xa0/0xa0
[ 283.172418][ T4638] ? do_raw_spin_unlock+0x11d/0x230
[ 283.177653][ T4638] kobject_add_internal+0x61c/0xcc0
[ 283.182903][ T4638] kobject_init_and_add+0x128/0x190
[ 283.188138][ T4638] ? lockdep_softirqs_off+0x430/0x430
[ 283.193549][ T4638] ? kobject_add+0x230/0x230
[ 283.198151][ T4638] ? __init_swait_queue_head+0xa5/0x150
[ 283.203725][ T4638] gfs2_sys_fs_add+0x24f/0x4b0
[ 283.208505][ T4638] ? gfs2_recover_set+0x240/0x240
[ 283.213552][ T4638] ? snprintf+0xe5/0x140
[ 283.217815][ T4638] ? vscnprintf+0x80/0x80
[ 283.222191][ T4638] gfs2_fill_super+0x128c/0x1fb0
[ 283.227156][ T4638] ? gfs2_reconfigure+0xd30/0xd30
[ 283.232223][ T4638] ? sb_set_blocksize+0xa5/0xe0
[ 283.237096][ T4638] get_tree_bdev+0x3f1/0x610
[ 283.241698][ T4638] ? gfs2_reconfigure+0xd30/0xd30
[ 283.246741][ T4638] gfs2_get_tree+0x4d/0x1e0
[ 283.251258][ T4638] vfs_get_tree+0x88/0x270
[ 283.255693][ T4638] do_new_mount+0x24a/0xa40
[ 283.260221][ T4638] __se_sys_mount+0x2e3/0x3d0
[ 283.264920][ T4638] ? __x64_sys_mount+0xc0/0xc0
[ 283.269704][ T4638] ? lockdep_hardirqs_on+0x94/0x140
[ 283.274916][ T4638] ? __x64_sys_mount+0x1c/0xc0
[ 283.279701][ T4638] do_syscall_64+0x4c/0xa0
[ 283.284163][ T4638] ? clear_bhb_loop+0x60/0xb0
[ 283.288884][ T4638] ? clear_bhb_loop+0x60/0xb0
[ 283.293604][ T4638] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 283.299535][ T4638] RIP: 0033:0x7f106fb9e04a
[ 283.303995][ T4638] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 283.323621][ T4638] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.332056][ T4638] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 283.340075][ T4638] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 283.348090][ T4638] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 283.356093][ T4638] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 283.364105][ T4638] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 283.372101][ T4638]
[ 283.384262][ T4638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.397698][ T4638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.690381][ T4639] loop1: detected capacity change from 0 to 32768
[ 283.700388][ T4639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.707890][ T4639] CPU: 1 PID: 4639 Comm: syz.1.193 Not tainted syzkaller #0
[ 283.715208][ T4639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.725319][ T4639] Call Trace:
[ 283.728616][ T4639]
[ 283.731572][ T4639] dump_stack_lvl+0x188/0x24e
[ 283.736274][ T4639] ? show_regs_print_info+0x12/0x12
[ 283.741493][ T4639] ? load_image+0x400/0x400
[ 283.746026][ T4639] sysfs_create_dir_ns+0x26a/0x290
[ 283.751163][ T4639] ? sysfs_warn_dup+0xa0/0xa0
[ 283.755864][ T4639] ? do_raw_spin_unlock+0x11d/0x230
[ 283.761078][ T4639] kobject_add_internal+0x61c/0xcc0
[ 283.766301][ T4639] kobject_init_and_add+0x128/0x190
[ 283.771508][ T4639] ? lockdep_softirqs_off+0x430/0x430
[ 283.776897][ T4639] ? kobject_add+0x230/0x230
[ 283.781504][ T4639] ? __init_swait_queue_head+0xa5/0x150
[ 283.787073][ T4639] gfs2_sys_fs_add+0x24f/0x4b0
[ 283.791870][ T4639] ? gfs2_recover_set+0x240/0x240
[ 283.796925][ T4639] ? snprintf+0xe5/0x140
[ 283.801197][ T4639] ? vscnprintf+0x80/0x80
[ 283.805556][ T4639] gfs2_fill_super+0x128c/0x1fb0
[ 283.810534][ T4639] ? gfs2_reconfigure+0xd30/0xd30
[ 283.815597][ T4639] ? sb_set_blocksize+0xa5/0xe0
[ 283.820496][ T4639] get_tree_bdev+0x3f1/0x610
[ 283.825117][ T4639] ? gfs2_reconfigure+0xd30/0xd30
[ 283.830169][ T4639] gfs2_get_tree+0x4d/0x1e0
[ 283.834707][ T4639] vfs_get_tree+0x88/0x270
[ 283.839157][ T4639] do_new_mount+0x24a/0xa40
[ 283.843695][ T4639] __se_sys_mount+0x2e3/0x3d0
[ 283.848414][ T4639] ? __x64_sys_mount+0xc0/0xc0
[ 283.853215][ T4639] ? lockdep_hardirqs_on+0x94/0x140
[ 283.858442][ T4639] ? __x64_sys_mount+0x1c/0xc0
[ 283.863240][ T4639] do_syscall_64+0x4c/0xa0
[ 283.867689][ T4639] ? clear_bhb_loop+0x60/0xb0
[ 283.872419][ T4639] ? clear_bhb_loop+0x60/0xb0
[ 283.877142][ T4639] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 283.883068][ T4639] RIP: 0033:0x7f106fb9e04a
[ 283.887513][ T4639] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 283.907149][ T4639] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.915586][ T4639] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 283.923588][ T4639] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 283.931583][ T4639] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 283.939576][ T4639] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 283.947578][ T4639] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 283.955597][ T4639]
[ 283.968556][ T4639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.981852][ T4639] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 00:04:40 executed programs: 179
[ 284.322271][ T4640] loop1: detected capacity change from 0 to 32768
[ 284.341053][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.348550][ T4640] CPU: 1 PID: 4640 Comm: syz.1.194 Not tainted syzkaller #0
[ 284.355886][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 284.365986][ T4640] Call Trace:
[ 284.369302][ T4640]
[ 284.372271][ T4640] dump_stack_lvl+0x188/0x24e
[ 284.377019][ T4640] ? show_regs_print_info+0x12/0x12
[ 284.382282][ T4640] ? load_image+0x400/0x400
[ 284.386854][ T4640] sysfs_create_dir_ns+0x26a/0x290
[ 284.392026][ T4640] ? sysfs_warn_dup+0xa0/0xa0
[ 284.396763][ T4640] ? do_raw_spin_unlock+0x11d/0x230
[ 284.402005][ T4640] kobject_add_internal+0x61c/0xcc0
[ 284.407247][ T4640] kobject_init_and_add+0x128/0x190
[ 284.412482][ T4640] ? lockdep_softirqs_off+0x430/0x430
[ 284.417896][ T4640] ? kobject_add+0x230/0x230
[ 284.422521][ T4640] ? __init_swait_queue_head+0xa5/0x150
[ 284.428105][ T4640] gfs2_sys_fs_add+0x24f/0x4b0
[ 284.432915][ T4640] ? gfs2_recover_set+0x240/0x240
[ 284.437981][ T4640] ? snprintf+0xe5/0x140
[ 284.442288][ T4640] ? vscnprintf+0x80/0x80
[ 284.446667][ T4640] gfs2_fill_super+0x128c/0x1fb0
[ 284.451659][ T4640] ? gfs2_reconfigure+0xd30/0xd30
[ 284.456733][ T4640] ? sb_set_blocksize+0xa5/0xe0
[ 284.461632][ T4640] get_tree_bdev+0x3f1/0x610
[ 284.466270][ T4640] ? gfs2_reconfigure+0xd30/0xd30
[ 284.471333][ T4640] gfs2_get_tree+0x4d/0x1e0
[ 284.475869][ T4640] vfs_get_tree+0x88/0x270
[ 284.480317][ T4640] do_new_mount+0x24a/0xa40
[ 284.484863][ T4640] __se_sys_mount+0x2e3/0x3d0
[ 284.489608][ T4640] ? __x64_sys_mount+0xc0/0xc0
[ 284.494410][ T4640] ? lockdep_hardirqs_on+0x94/0x140
[ 284.499654][ T4640] ? __x64_sys_mount+0x1c/0xc0
[ 284.504452][ T4640] do_syscall_64+0x4c/0xa0
[ 284.508907][ T4640] ? clear_bhb_loop+0x60/0xb0
[ 284.513615][ T4640] ? clear_bhb_loop+0x60/0xb0
[ 284.518336][ T4640] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 284.524274][ T4640] RIP: 0033:0x7f106fb9e04a
[ 284.528735][ T4640] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 284.548372][ T4640] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.556806][ T4640] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 284.564800][ T4640] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 284.572791][ T4640] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 284.580781][ T4640] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 284.588789][ T4640] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 284.596793][ T4640]
[ 284.608391][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.621743][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.920138][ T4641] loop1: detected capacity change from 0 to 32768
[ 284.934913][ T4641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.942481][ T4641] CPU: 1 PID: 4641 Comm: syz.1.195 Not tainted syzkaller #0
[ 284.949808][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 284.959913][ T4641] Call Trace:
[ 284.963210][ T4641]
[ 284.966157][ T4641] dump_stack_lvl+0x188/0x24e
[ 284.970883][ T4641] ? show_regs_print_info+0x12/0x12
[ 284.976128][ T4641] ? load_image+0x400/0x400
[ 284.980680][ T4641] sysfs_create_dir_ns+0x26a/0x290
[ 284.985869][ T4641] ? sysfs_warn_dup+0xa0/0xa0
[ 284.990577][ T4641] ? do_raw_spin_unlock+0x11d/0x230
[ 284.995811][ T4641] kobject_add_internal+0x61c/0xcc0
[ 285.001056][ T4641] kobject_init_and_add+0x128/0x190
[ 285.006283][ T4641] ? lockdep_softirqs_off+0x430/0x430
[ 285.011691][ T4641] ? kobject_add+0x230/0x230
[ 285.016322][ T4641] ? __init_swait_queue_head+0xa5/0x150
[ 285.021903][ T4641] gfs2_sys_fs_add+0x24f/0x4b0
[ 285.026711][ T4641] ? gfs2_recover_set+0x240/0x240
[ 285.031794][ T4641] ? snprintf+0xe5/0x140
[ 285.036061][ T4641] ? vscnprintf+0x80/0x80
[ 285.040445][ T4641] gfs2_fill_super+0x128c/0x1fb0
[ 285.045418][ T4641] ? gfs2_reconfigure+0xd30/0xd30
[ 285.050474][ T4641] ? sb_set_blocksize+0xa5/0xe0
[ 285.055386][ T4641] get_tree_bdev+0x3f1/0x610
[ 285.059995][ T4641] ? gfs2_reconfigure+0xd30/0xd30
[ 285.065049][ T4641] gfs2_get_tree+0x4d/0x1e0
[ 285.069571][ T4641] vfs_get_tree+0x88/0x270
[ 285.074016][ T4641] do_new_mount+0x24a/0xa40
[ 285.078558][ T4641] __se_sys_mount+0x2e3/0x3d0
[ 285.083252][ T4641] ? __x64_sys_mount+0xc0/0xc0
[ 285.088042][ T4641] ? lockdep_hardirqs_on+0x94/0x140
[ 285.093258][ T4641] ? __x64_sys_mount+0x1c/0xc0
[ 285.098047][ T4641] do_syscall_64+0x4c/0xa0
[ 285.102524][ T4641] ? clear_bhb_loop+0x60/0xb0
[ 285.107232][ T4641] ? clear_bhb_loop+0x60/0xb0
[ 285.111936][ T4641] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 285.117855][ T4641] RIP: 0033:0x7f106fb9e04a
[ 285.122381][ T4641] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 285.142011][ T4641] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.150452][ T4641] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 285.158440][ T4641] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 285.166423][ T4641] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 285.174409][ T4641] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 285.182397][ T4641] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 285.190423][ T4641]
[ 285.197820][ T4641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.211164][ T4641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.537523][ T4642] loop1: detected capacity change from 0 to 32768
[ 285.552371][ T4642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.559923][ T4642] CPU: 1 PID: 4642 Comm: syz.1.196 Not tainted syzkaller #0
[ 285.567239][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.577327][ T4642] Call Trace:
[ 285.580642][ T4642]
[ 285.583609][ T4642] dump_stack_lvl+0x188/0x24e
[ 285.588337][ T4642] ? show_regs_print_info+0x12/0x12
[ 285.593592][ T4642] ? load_image+0x400/0x400
[ 285.598154][ T4642] sysfs_create_dir_ns+0x26a/0x290
[ 285.603319][ T4642] ? sysfs_warn_dup+0xa0/0xa0
[ 285.608044][ T4642] ? do_raw_spin_unlock+0x11d/0x230
[ 285.613295][ T4642] kobject_add_internal+0x61c/0xcc0
[ 285.618561][ T4642] kobject_init_and_add+0x128/0x190
[ 285.623811][ T4642] ? lockdep_softirqs_off+0x430/0x430
[ 285.629236][ T4642] ? kobject_add+0x230/0x230
[ 285.633869][ T4642] ? __init_swait_queue_head+0xa5/0x150
[ 285.639462][ T4642] gfs2_sys_fs_add+0x24f/0x4b0
[ 285.644286][ T4642] ? gfs2_recover_set+0x240/0x240
[ 285.649367][ T4642] ? snprintf+0xe5/0x140
[ 285.653671][ T4642] ? vscnprintf+0x80/0x80
[ 285.658050][ T4642] gfs2_fill_super+0x128c/0x1fb0
[ 285.663037][ T4642] ? gfs2_reconfigure+0xd30/0xd30
[ 285.668107][ T4642] ? sb_set_blocksize+0xa5/0xe0
[ 285.673009][ T4642] get_tree_bdev+0x3f1/0x610
[ 285.677676][ T4642] ? gfs2_reconfigure+0xd30/0xd30
[ 285.682773][ T4642] gfs2_get_tree+0x4d/0x1e0
[ 285.687427][ T4642] vfs_get_tree+0x88/0x270
[ 285.691904][ T4642] do_new_mount+0x24a/0xa40
[ 285.696463][ T4642] __se_sys_mount+0x2e3/0x3d0
[ 285.701192][ T4642] ? __x64_sys_mount+0xc0/0xc0
[ 285.706012][ T4642] ? lockdep_hardirqs_on+0x94/0x140
[ 285.711258][ T4642] ? __x64_sys_mount+0x1c/0xc0
[ 285.716079][ T4642] do_syscall_64+0x4c/0xa0
[ 285.720558][ T4642] ? clear_bhb_loop+0x60/0xb0
[ 285.725286][ T4642] ? clear_bhb_loop+0x60/0xb0
[ 285.730019][ T4642] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 285.735964][ T4642] RIP: 0033:0x7f106fb9e04a
[ 285.740426][ T4642] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 285.760088][ T4642] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.768558][ T4642] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 285.776576][ T4642] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 285.784589][ T4642] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 285.792608][ T4642] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 285.800627][ T4642] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 285.808658][ T4642]
[ 285.813828][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.829735][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.150697][ T4643] loop1: detected capacity change from 0 to 32768
[ 286.170414][ T4643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.178028][ T4643] CPU: 0 PID: 4643 Comm: syz.1.197 Not tainted syzkaller #0
[ 286.185470][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.195577][ T4643] Call Trace:
[ 286.198907][ T4643]
[ 286.201895][ T4643] dump_stack_lvl+0x188/0x24e
[ 286.206671][ T4643] ? show_regs_print_info+0x12/0x12
[ 286.211939][ T4643] ? load_image+0x400/0x400
[ 286.216520][ T4643] sysfs_create_dir_ns+0x26a/0x290
[ 286.221697][ T4643] ? sysfs_warn_dup+0xa0/0xa0
[ 286.226437][ T4643] ? do_raw_spin_unlock+0x11d/0x230
[ 286.231693][ T4643] kobject_add_internal+0x61c/0xcc0
[ 286.236956][ T4643] kobject_init_and_add+0x128/0x190
[ 286.242200][ T4643] ? lockdep_softirqs_off+0x430/0x430
[ 286.247619][ T4643] ? kobject_add+0x230/0x230
[ 286.252272][ T4643] ? __init_swait_queue_head+0xa5/0x150
[ 286.257883][ T4643] gfs2_sys_fs_add+0x24f/0x4b0
[ 286.262736][ T4643] ? gfs2_recover_set+0x240/0x240
[ 286.267822][ T4643] ? snprintf+0xe5/0x140
[ 286.272120][ T4643] ? vscnprintf+0x80/0x80
[ 286.276512][ T4643] gfs2_fill_super+0x128c/0x1fb0
[ 286.281547][ T4643] ? gfs2_reconfigure+0xd30/0xd30
[ 286.286631][ T4643] ? sb_set_blocksize+0xa5/0xe0
[ 286.291545][ T4643] get_tree_bdev+0x3f1/0x610
[ 286.296186][ T4643] ? gfs2_reconfigure+0xd30/0xd30
[ 286.301264][ T4643] gfs2_get_tree+0x4d/0x1e0
[ 286.305836][ T4643] vfs_get_tree+0x88/0x270
[ 286.310317][ T4643] do_new_mount+0x24a/0xa40
[ 286.314879][ T4643] __se_sys_mount+0x2e3/0x3d0
[ 286.319612][ T4643] ? __x64_sys_mount+0xc0/0xc0
[ 286.324439][ T4643] ? lockdep_hardirqs_on+0x94/0x140
[ 286.329707][ T4643] ? __x64_sys_mount+0x1c/0xc0
[ 286.334523][ T4643] do_syscall_64+0x4c/0xa0
[ 286.339007][ T4643] ? clear_bhb_loop+0x60/0xb0
[ 286.343754][ T4643] ? clear_bhb_loop+0x60/0xb0
[ 286.348491][ T4643] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 286.354440][ T4643] RIP: 0033:0x7f106fb9e04a
[ 286.358905][ T4643] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 286.378557][ T4643] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.387021][ T4643] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 286.395035][ T4643] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 286.403050][ T4643] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 286.411077][ T4643] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 286.419092][ T4643] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 286.427137][ T4643]
[ 286.436091][ T4643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.449602][ T4643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.749123][ T4644] loop1: detected capacity change from 0 to 32768
[ 286.765592][ T4644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.773315][ T4644] CPU: 0 PID: 4644 Comm: syz.1.198 Not tainted syzkaller #0
[ 286.780638][ T4644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.790723][ T4644] Call Trace:
[ 286.794025][ T4644]
[ 286.796982][ T4644] dump_stack_lvl+0x188/0x24e
[ 286.801703][ T4644] ? show_regs_print_info+0x12/0x12
[ 286.806930][ T4644] ? load_image+0x400/0x400
[ 286.811474][ T4644] sysfs_create_dir_ns+0x26a/0x290
[ 286.816623][ T4644] ? sysfs_warn_dup+0xa0/0xa0
[ 286.821333][ T4644] ? do_raw_spin_unlock+0x11d/0x230
[ 286.826560][ T4644] kobject_add_internal+0x61c/0xcc0
[ 286.831790][ T4644] kobject_init_and_add+0x128/0x190
[ 286.837008][ T4644] ? lockdep_softirqs_off+0x430/0x430
[ 286.842408][ T4644] ? kobject_add+0x230/0x230
[ 286.847026][ T4644] ? __init_swait_queue_head+0xa5/0x150
[ 286.852604][ T4644] gfs2_sys_fs_add+0x24f/0x4b0
[ 286.857404][ T4644] ? gfs2_recover_set+0x240/0x240
[ 286.862468][ T4644] ? snprintf+0xe5/0x140
[ 286.866746][ T4644] ? vscnprintf+0x80/0x80
[ 286.871140][ T4644] gfs2_fill_super+0x128c/0x1fb0
[ 286.876114][ T4644] ? gfs2_reconfigure+0xd30/0xd30
[ 286.881164][ T4644] ? sb_set_blocksize+0xa5/0xe0
[ 286.886043][ T4644] get_tree_bdev+0x3f1/0x610
[ 286.890660][ T4644] ? gfs2_reconfigure+0xd30/0xd30
[ 286.895712][ T4644] gfs2_get_tree+0x4d/0x1e0
[ 286.900241][ T4644] vfs_get_tree+0x88/0x270
[ 286.904679][ T4644] do_new_mount+0x24a/0xa40
[ 286.909212][ T4644] __se_sys_mount+0x2e3/0x3d0
[ 286.913918][ T4644] ? __x64_sys_mount+0xc0/0xc0
[ 286.918710][ T4644] ? lockdep_hardirqs_on+0x94/0x140
[ 286.923937][ T4644] ? __x64_sys_mount+0x1c/0xc0
[ 286.928729][ T4644] do_syscall_64+0x4c/0xa0
[ 286.933172][ T4644] ? clear_bhb_loop+0x60/0xb0
[ 286.937883][ T4644] ? clear_bhb_loop+0x60/0xb0
[ 286.942588][ T4644] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 286.948509][ T4644] RIP: 0033:0x7f106fb9e04a
[ 286.952944][ T4644] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 286.972577][ T4644] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.981022][ T4644] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 286.989018][ T4644] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 286.997005][ T4644] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 287.004995][ T4644] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 287.012986][ T4644] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 287.021078][ T4644]
[ 287.024615][ T4644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.037936][ T4644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.377820][ T4645] loop1: detected capacity change from 0 to 32768
[ 287.394714][ T4645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.402336][ T4645] CPU: 1 PID: 4645 Comm: syz.1.199 Not tainted syzkaller #0
[ 287.409684][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.419789][ T4645] Call Trace:
[ 287.423111][ T4645]
[ 287.426086][ T4645] dump_stack_lvl+0x188/0x24e
[ 287.430838][ T4645] ? show_regs_print_info+0x12/0x12
[ 287.436094][ T4645] ? load_image+0x400/0x400
[ 287.440664][ T4645] sysfs_create_dir_ns+0x26a/0x290
[ 287.445835][ T4645] ? sysfs_warn_dup+0xa0/0xa0
[ 287.450578][ T4645] ? do_raw_spin_unlock+0x11d/0x230
[ 287.455834][ T4645] kobject_add_internal+0x61c/0xcc0
[ 287.461098][ T4645] kobject_init_and_add+0x128/0x190
[ 287.466354][ T4645] ? lockdep_softirqs_off+0x430/0x430
[ 287.471791][ T4645] ? kobject_add+0x230/0x230
[ 287.476442][ T4645] ? __init_swait_queue_head+0xa5/0x150
[ 287.482052][ T4645] gfs2_sys_fs_add+0x24f/0x4b0
[ 287.486884][ T4645] ? gfs2_recover_set+0x240/0x240
[ 287.491975][ T4645] ? snprintf+0xe5/0x140
[ 287.496274][ T4645] ? vscnprintf+0x80/0x80
[ 287.500669][ T4645] gfs2_fill_super+0x128c/0x1fb0
[ 287.505671][ T4645] ? gfs2_reconfigure+0xd30/0xd30
[ 287.510761][ T4645] ? sb_set_blocksize+0xa5/0xe0
[ 287.515675][ T4645] get_tree_bdev+0x3f1/0x610
[ 287.520326][ T4645] ? gfs2_reconfigure+0xd30/0xd30
[ 287.525415][ T4645] gfs2_get_tree+0x4d/0x1e0
[ 287.529978][ T4645] vfs_get_tree+0x88/0x270
[ 287.534485][ T4645] do_new_mount+0x24a/0xa40
[ 287.539050][ T4645] __se_sys_mount+0x2e3/0x3d0
[ 287.543783][ T4645] ? __x64_sys_mount+0xc0/0xc0
[ 287.548604][ T4645] ? lockdep_hardirqs_on+0x94/0x140
[ 287.553859][ T4645] ? __x64_sys_mount+0x1c/0xc0
[ 287.558685][ T4645] do_syscall_64+0x4c/0xa0
[ 287.563158][ T4645] ? clear_bhb_loop+0x60/0xb0
[ 287.567892][ T4645] ? clear_bhb_loop+0x60/0xb0
[ 287.572629][ T4645] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 287.578578][ T4645] RIP: 0033:0x7f106fb9e04a
[ 287.583043][ T4645] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 287.602704][ T4645] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.611171][ T4645] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 287.619188][ T4645] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 287.627203][ T4645] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 287.635221][ T4645] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 287.643238][ T4645] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 287.651274][ T4645]
[ 287.763354][ T4645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.777619][ T4645] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.101474][ T4646] loop1: detected capacity change from 0 to 32768
[ 288.120772][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.128480][ T4646] CPU: 0 PID: 4646 Comm: syz.1.200 Not tainted syzkaller #0
[ 288.135806][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.145896][ T4646] Call Trace:
[ 288.149210][ T4646]
[ 288.152189][ T4646] dump_stack_lvl+0x188/0x24e
[ 288.156934][ T4646] ? show_regs_print_info+0x12/0x12
[ 288.162186][ T4646] ? load_image+0x400/0x400
[ 288.166751][ T4646] sysfs_create_dir_ns+0x26a/0x290
[ 288.171916][ T4646] ? sysfs_warn_dup+0xa0/0xa0
[ 288.176646][ T4646] ? do_raw_spin_unlock+0x11d/0x230
[ 288.181895][ T4646] kobject_add_internal+0x61c/0xcc0
[ 288.187149][ T4646] kobject_init_and_add+0x128/0x190
[ 288.192396][ T4646] ? lockdep_softirqs_off+0x430/0x430
[ 288.197819][ T4646] ? kobject_add+0x230/0x230
[ 288.202459][ T4646] ? __init_swait_queue_head+0xa5/0x150
[ 288.208061][ T4646] gfs2_sys_fs_add+0x24f/0x4b0
[ 288.212888][ T4646] ? gfs2_recover_set+0x240/0x240
[ 288.217965][ T4646] ? snprintf+0xe5/0x140
[ 288.222258][ T4646] ? vscnprintf+0x80/0x80
[ 288.226639][ T4646] gfs2_fill_super+0x128c/0x1fb0
[ 288.231648][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 288.236723][ T4646] ? sb_set_blocksize+0xa5/0xe0
[ 288.241619][ T4646] get_tree_bdev+0x3f1/0x610
[ 288.246257][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 288.251323][ T4646] gfs2_get_tree+0x4d/0x1e0
[ 288.255864][ T4646] vfs_get_tree+0x88/0x270
[ 288.260326][ T4646] do_new_mount+0x24a/0xa40
[ 288.264883][ T4646] __se_sys_mount+0x2e3/0x3d0
[ 288.269616][ T4646] ? __x64_sys_mount+0xc0/0xc0
[ 288.274439][ T4646] ? lockdep_hardirqs_on+0x94/0x140
[ 288.279692][ T4646] ? __x64_sys_mount+0x1c/0xc0
[ 288.284523][ T4646] do_syscall_64+0x4c/0xa0
[ 288.289001][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 288.293731][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 288.298465][ T4646] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 288.304413][ T4646] RIP: 0033:0x7f106fb9e04a
[ 288.308884][ T4646] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 288.328543][ T4646] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.337015][ T4646] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 288.345041][ T4646] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 288.353063][ T4646] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 288.361082][ T4646] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 288.369102][ T4646] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 288.377146][ T4646]
[ 288.385368][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.398840][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.714266][ T4647] loop1: detected capacity change from 0 to 32768
[ 288.731247][ T4647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.738890][ T4647] CPU: 0 PID: 4647 Comm: syz.1.201 Not tainted syzkaller #0
[ 288.746207][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.756306][ T4647] Call Trace:
[ 288.759619][ T4647]
[ 288.762580][ T4647] dump_stack_lvl+0x188/0x24e
[ 288.767315][ T4647] ? show_regs_print_info+0x12/0x12
[ 288.772561][ T4647] ? load_image+0x400/0x400
[ 288.777128][ T4647] sysfs_create_dir_ns+0x26a/0x290
[ 288.782284][ T4647] ? sysfs_warn_dup+0xa0/0xa0
[ 288.787007][ T4647] ? do_raw_spin_unlock+0x11d/0x230
[ 288.792245][ T4647] kobject_add_internal+0x61c/0xcc0
[ 288.797499][ T4647] kobject_init_and_add+0x128/0x190
[ 288.802747][ T4647] ? lockdep_softirqs_off+0x430/0x430
[ 288.808166][ T4647] ? kobject_add+0x230/0x230
[ 288.812802][ T4647] ? __init_swait_queue_head+0xa5/0x150
[ 288.818405][ T4647] gfs2_sys_fs_add+0x24f/0x4b0
[ 288.823230][ T4647] ? gfs2_recover_set+0x240/0x240
[ 288.828324][ T4647] ? snprintf+0xe5/0x140
[ 288.832621][ T4647] ? vscnprintf+0x80/0x80
[ 288.837000][ T4647] gfs2_fill_super+0x128c/0x1fb0
[ 288.841993][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 288.847071][ T4647] ? sb_set_blocksize+0xa5/0xe0
[ 288.851975][ T4647] get_tree_bdev+0x3f1/0x610
[ 288.856590][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 288.861638][ T4647] gfs2_get_tree+0x4d/0x1e0
[ 288.866167][ T4647] vfs_get_tree+0x88/0x270
[ 288.870613][ T4647] do_new_mount+0x24a/0xa40
[ 288.875144][ T4647] __se_sys_mount+0x2e3/0x3d0
[ 288.879849][ T4647] ? __x64_sys_mount+0xc0/0xc0
[ 288.884642][ T4647] ? lockdep_hardirqs_on+0x94/0x140
[ 288.889858][ T4647] ? __x64_sys_mount+0x1c/0xc0
[ 288.894645][ T4647] do_syscall_64+0x4c/0xa0
[ 288.899087][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 288.903787][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 288.908494][ T4647] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 288.914410][ T4647] RIP: 0033:0x7f106fb9e04a
[ 288.918841][ T4647] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 288.938466][ T4647] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.946902][ T4647] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 288.954890][ T4647] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 288.962875][ T4647] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 288.970871][ T4647] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 288.978865][ T4647] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 288.986872][ T4647]
[ 288.992676][ T4647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.006093][ T4647] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 00:04:45 executed programs: 187
[ 289.304387][ T4648] loop1: detected capacity change from 0 to 32768
[ 289.319867][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.327687][ T4648] CPU: 1 PID: 4648 Comm: syz.1.202 Not tainted syzkaller #0
[ 289.335018][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.345098][ T4648] Call Trace:
[ 289.348396][ T4648]
[ 289.351348][ T4648] dump_stack_lvl+0x188/0x24e
[ 289.356062][ T4648] ? show_regs_print_info+0x12/0x12
[ 289.361293][ T4648] ? load_image+0x400/0x400
[ 289.365818][ T4648] sysfs_create_dir_ns+0x26a/0x290
[ 289.370966][ T4648] ? sysfs_warn_dup+0xa0/0xa0
[ 289.375675][ T4648] ? do_raw_spin_unlock+0x11d/0x230
[ 289.380917][ T4648] kobject_add_internal+0x61c/0xcc0
[ 289.386143][ T4648] kobject_init_and_add+0x128/0x190
[ 289.391370][ T4648] ? lockdep_softirqs_off+0x430/0x430
[ 289.396773][ T4648] ? kobject_add+0x230/0x230
[ 289.401389][ T4648] ? __init_swait_queue_head+0xa5/0x150
[ 289.406963][ T4648] gfs2_sys_fs_add+0x24f/0x4b0
[ 289.411768][ T4648] ? gfs2_recover_set+0x240/0x240
[ 289.416820][ T4648] ? snprintf+0xe5/0x140
[ 289.421098][ T4648] ? vscnprintf+0x80/0x80
[ 289.425464][ T4648] gfs2_fill_super+0x128c/0x1fb0
[ 289.430437][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 289.435500][ T4648] ? sb_set_blocksize+0xa5/0xe0
[ 289.440387][ T4648] get_tree_bdev+0x3f1/0x610
[ 289.445014][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 289.450069][ T4648] gfs2_get_tree+0x4d/0x1e0
[ 289.454601][ T4648] vfs_get_tree+0x88/0x270
[ 289.459052][ T4648] do_new_mount+0x24a/0xa40
[ 289.463584][ T4648] __se_sys_mount+0x2e3/0x3d0
[ 289.468288][ T4648] ? __x64_sys_mount+0xc0/0xc0
[ 289.473087][ T4648] ? lockdep_hardirqs_on+0x94/0x140
[ 289.478338][ T4648] ? __x64_sys_mount+0x1c/0xc0
[ 289.483142][ T4648] do_syscall_64+0x4c/0xa0
[ 289.487593][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 289.492299][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 289.497038][ T4648] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 289.502974][ T4648] RIP: 0033:0x7f106fb9e04a
[ 289.507418][ T4648] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 289.527052][ T4648] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.535495][ T4648] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 289.543490][ T4648] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 289.551481][ T4648] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 289.559469][ T4648] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 289.567453][ T4648] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 289.575456][ T4648]
[ 289.588077][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.603615][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.915097][ T4649] loop1: detected capacity change from 0 to 32768
[ 289.927518][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.939630][ T4649] CPU: 0 PID: 4649 Comm: syz.1.203 Not tainted syzkaller #0
[ 289.946968][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.957052][ T4649] Call Trace:
[ 289.960364][ T4649]
[ 289.963322][ T4649] dump_stack_lvl+0x188/0x24e
[ 289.968046][ T4649] ? show_regs_print_info+0x12/0x12
[ 289.973292][ T4649] ? load_image+0x400/0x400
[ 289.977851][ T4649] sysfs_create_dir_ns+0x26a/0x290
[ 289.983014][ T4649] ? sysfs_warn_dup+0xa0/0xa0
[ 289.987740][ T4649] ? do_raw_spin_unlock+0x11d/0x230
[ 289.992976][ T4649] kobject_add_internal+0x61c/0xcc0
[ 289.998219][ T4649] kobject_init_and_add+0x128/0x190
[ 290.003460][ T4649] ? lockdep_softirqs_off+0x430/0x430
[ 290.008896][ T4649] ? kobject_add+0x230/0x230
[ 290.013539][ T4649] ? __init_swait_queue_head+0xa5/0x150
[ 290.019142][ T4649] gfs2_sys_fs_add+0x24f/0x4b0
[ 290.023963][ T4649] ? gfs2_recover_set+0x240/0x240
[ 290.029041][ T4649] ? snprintf+0xe5/0x140
[ 290.033333][ T4649] ? vscnprintf+0x80/0x80
[ 290.037734][ T4649] gfs2_fill_super+0x128c/0x1fb0
[ 290.042729][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 290.047812][ T4649] ? sb_set_blocksize+0xa5/0xe0
[ 290.052711][ T4649] get_tree_bdev+0x3f1/0x610
[ 290.057341][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 290.062406][ T4649] gfs2_get_tree+0x4d/0x1e0
[ 290.066957][ T4649] vfs_get_tree+0x88/0x270
[ 290.071415][ T4649] do_new_mount+0x24a/0xa40
[ 290.075986][ T4649] __se_sys_mount+0x2e3/0x3d0
[ 290.080704][ T4649] ? __x64_sys_mount+0xc0/0xc0
[ 290.085501][ T4649] ? lockdep_hardirqs_on+0x94/0x140
[ 290.090731][ T4649] ? __x64_sys_mount+0x1c/0xc0
[ 290.095539][ T4649] do_syscall_64+0x4c/0xa0
[ 290.099999][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 290.104722][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 290.109456][ T4649] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 290.115393][ T4649] RIP: 0033:0x7f106fb9e04a
[ 290.119840][ T4649] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 290.139508][ T4649] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.147964][ T4649] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 290.155976][ T4649] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 290.163981][ T4649] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 290.171983][ T4649] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 290.179970][ T4649] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 290.187986][ T4649]
[ 290.193352][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.209040][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.513660][ T4650] loop1: detected capacity change from 0 to 32768
[ 290.532018][ T4650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.539508][ T4650] CPU: 1 PID: 4650 Comm: syz.1.204 Not tainted syzkaller #0
[ 290.546840][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.556944][ T4650] Call Trace:
[ 290.560250][ T4650]
[ 290.563215][ T4650] dump_stack_lvl+0x188/0x24e
[ 290.567948][ T4650] ? show_regs_print_info+0x12/0x12
[ 290.573198][ T4650] ? load_image+0x400/0x400
[ 290.577749][ T4650] sysfs_create_dir_ns+0x26a/0x290
[ 290.582924][ T4650] ? sysfs_warn_dup+0xa0/0xa0
[ 290.587642][ T4650] ? do_raw_spin_unlock+0x11d/0x230
[ 290.592884][ T4650] kobject_add_internal+0x61c/0xcc0
[ 290.598130][ T4650] kobject_init_and_add+0x128/0x190
[ 290.603363][ T4650] ? lockdep_softirqs_off+0x430/0x430
[ 290.608787][ T4650] ? kobject_add+0x230/0x230
[ 290.613426][ T4650] ? __init_swait_queue_head+0xa5/0x150
[ 290.619055][ T4650] gfs2_sys_fs_add+0x24f/0x4b0
[ 290.623869][ T4650] ? gfs2_recover_set+0x240/0x240
[ 290.628948][ T4650] ? snprintf+0xe5/0x140
[ 290.633235][ T4650] ? vscnprintf+0x80/0x80
[ 290.637609][ T4650] gfs2_fill_super+0x128c/0x1fb0
[ 290.642589][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 290.647639][ T4650] ? sb_set_blocksize+0xa5/0xe0
[ 290.652517][ T4650] get_tree_bdev+0x3f1/0x610
[ 290.657159][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 290.662219][ T4650] gfs2_get_tree+0x4d/0x1e0
[ 290.666737][ T4650] vfs_get_tree+0x88/0x270
[ 290.671185][ T4650] do_new_mount+0x24a/0xa40
[ 290.675711][ T4650] __se_sys_mount+0x2e3/0x3d0
[ 290.680411][ T4650] ? __x64_sys_mount+0xc0/0xc0
[ 290.685209][ T4650] ? lockdep_hardirqs_on+0x94/0x140
[ 290.690436][ T4650] ? __x64_sys_mount+0x1c/0xc0
[ 290.695223][ T4650] do_syscall_64+0x4c/0xa0
[ 290.699661][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 290.704359][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 290.709068][ T4650] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 290.714990][ T4650] RIP: 0033:0x7f106fb9e04a
[ 290.719431][ T4650] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 290.739048][ T4650] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.747473][ T4650] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 290.755461][ T4650] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 290.763447][ T4650] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 290.771438][ T4650] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 290.779428][ T4650] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 290.787427][ T4650]
[ 290.795320][ T4650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.814528][ T4650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.111713][ T4651] loop1: detected capacity change from 0 to 32768
[ 291.130486][ T4651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.137982][ T4651] CPU: 1 PID: 4651 Comm: syz.1.205 Not tainted syzkaller #0
[ 291.145299][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 291.155384][ T4651] Call Trace:
[ 291.158688][ T4651]
[ 291.161647][ T4651] dump_stack_lvl+0x188/0x24e
[ 291.166356][ T4651] ? show_regs_print_info+0x12/0x12
[ 291.171585][ T4651] ? load_image+0x400/0x400
[ 291.176121][ T4651] sysfs_create_dir_ns+0x26a/0x290
[ 291.181262][ T4651] ? sysfs_warn_dup+0xa0/0xa0
[ 291.185979][ T4651] ? do_raw_spin_unlock+0x11d/0x230
[ 291.191208][ T4651] kobject_add_internal+0x61c/0xcc0
[ 291.196453][ T4651] kobject_init_and_add+0x128/0x190
[ 291.201678][ T4651] ? lockdep_softirqs_off+0x430/0x430
[ 291.207086][ T4651] ? kobject_add+0x230/0x230
[ 291.211705][ T4651] ? __init_swait_queue_head+0xa5/0x150
[ 291.217282][ T4651] gfs2_sys_fs_add+0x24f/0x4b0
[ 291.222085][ T4651] ? gfs2_recover_set+0x240/0x240
[ 291.227156][ T4651] ? snprintf+0xe5/0x140
[ 291.231425][ T4651] ? vscnprintf+0x80/0x80
[ 291.235821][ T4651] gfs2_fill_super+0x128c/0x1fb0
[ 291.240800][ T4651] ? gfs2_reconfigure+0xd30/0xd30
[ 291.245867][ T4651] ? sb_set_blocksize+0xa5/0xe0
[ 291.250749][ T4651] get_tree_bdev+0x3f1/0x610
[ 291.255360][ T4651] ? gfs2_reconfigure+0xd30/0xd30
[ 291.260408][ T4651] gfs2_get_tree+0x4d/0x1e0
[ 291.264943][ T4651] vfs_get_tree+0x88/0x270
[ 291.269394][ T4651] do_new_mount+0x24a/0xa40
[ 291.273926][ T4651] __se_sys_mount+0x2e3/0x3d0
[ 291.278640][ T4651] ? __x64_sys_mount+0xc0/0xc0
[ 291.283440][ T4651] ? lockdep_hardirqs_on+0x94/0x140
[ 291.288678][ T4651] ? __x64_sys_mount+0x1c/0xc0
[ 291.293492][ T4651] do_syscall_64+0x4c/0xa0
[ 291.297951][ T4651] ? clear_bhb_loop+0x60/0xb0
[ 291.302660][ T4651] ? clear_bhb_loop+0x60/0xb0
[ 291.307368][ T4651] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 291.313306][ T4651] RIP: 0033:0x7f106fb9e04a
[ 291.317753][ T4651] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 291.337389][ T4651] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.345850][ T4651] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 291.353846][ T4651] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 291.361867][ T4651] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 291.369881][ T4651] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 291.377873][ T4651] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 291.385878][ T4651]
[ 291.390345][ T4651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.403980][ T4651] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.721620][ T4652] loop1: detected capacity change from 0 to 32768
[ 291.738771][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.746300][ T4652] CPU: 1 PID: 4652 Comm: syz.1.206 Not tainted syzkaller #0
[ 291.753620][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 291.763709][ T4652] Call Trace:
[ 291.767020][ T4652]
[ 291.769983][ T4652] dump_stack_lvl+0x188/0x24e
[ 291.774721][ T4652] ? show_regs_print_info+0x12/0x12
[ 291.779981][ T4652] ? load_image+0x400/0x400
[ 291.784545][ T4652] sysfs_create_dir_ns+0x26a/0x290
[ 291.789702][ T4652] ? sysfs_warn_dup+0xa0/0xa0
[ 291.794422][ T4652] ? do_raw_spin_unlock+0x11d/0x230
[ 291.799665][ T4652] kobject_add_internal+0x61c/0xcc0
[ 291.804906][ T4652] kobject_init_and_add+0x128/0x190
[ 291.810151][ T4652] ? lockdep_softirqs_off+0x430/0x430
[ 291.815580][ T4652] ? kobject_add+0x230/0x230
[ 291.820211][ T4652] ? __init_swait_queue_head+0xa5/0x150
[ 291.825807][ T4652] gfs2_sys_fs_add+0x24f/0x4b0
[ 291.830664][ T4652] ? gfs2_recover_set+0x240/0x240
[ 291.835745][ T4652] ? snprintf+0xe5/0x140
[ 291.840036][ T4652] ? vscnprintf+0x80/0x80
[ 291.844415][ T4652] gfs2_fill_super+0x128c/0x1fb0
[ 291.849411][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 291.854491][ T4652] ? sb_set_blocksize+0xa5/0xe0
[ 291.859397][ T4652] get_tree_bdev+0x3f1/0x610
[ 291.864034][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 291.869142][ T4652] gfs2_get_tree+0x4d/0x1e0
[ 291.873691][ T4652] vfs_get_tree+0x88/0x270
[ 291.878157][ T4652] do_new_mount+0x24a/0xa40
[ 291.882708][ T4652] __se_sys_mount+0x2e3/0x3d0
[ 291.887430][ T4652] ? __x64_sys_mount+0xc0/0xc0
[ 291.892239][ T4652] ? lockdep_hardirqs_on+0x94/0x140
[ 291.897486][ T4652] ? __x64_sys_mount+0x1c/0xc0
[ 291.902316][ T4652] do_syscall_64+0x4c/0xa0
[ 291.906785][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 291.911504][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 291.916224][ T4652] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 291.922166][ T4652] RIP: 0033:0x7f106fb9e04a
[ 291.926629][ T4652] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 291.946283][ T4652] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.954792][ T4652] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 291.962800][ T4652] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 291.970823][ T4652] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 291.978836][ T4652] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 291.986839][ T4652] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 291.994951][ T4652]
[ 292.012181][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.025741][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.342846][ T4653] loop1: detected capacity change from 0 to 32768
[ 292.351198][ T4653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.358986][ T4653] CPU: 1 PID: 4653 Comm: syz.1.207 Not tainted syzkaller #0
[ 292.366334][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.376427][ T4653] Call Trace:
[ 292.379765][ T4653]
[ 292.382736][ T4653] dump_stack_lvl+0x188/0x24e
[ 292.387484][ T4653] ? show_regs_print_info+0x12/0x12
[ 292.392736][ T4653] ? load_image+0x400/0x400
[ 292.397303][ T4653] sysfs_create_dir_ns+0x26a/0x290
[ 292.402482][ T4653] ? sysfs_warn_dup+0xa0/0xa0
[ 292.407225][ T4653] ? do_raw_spin_unlock+0x11d/0x230
[ 292.412479][ T4653] kobject_add_internal+0x61c/0xcc0
[ 292.417771][ T4653] kobject_init_and_add+0x128/0x190
[ 292.423038][ T4653] ? lockdep_softirqs_off+0x430/0x430
[ 292.428485][ T4653] ? kobject_add+0x230/0x230
[ 292.433143][ T4653] ? __init_swait_queue_head+0xa5/0x150
[ 292.438761][ T4653] gfs2_sys_fs_add+0x24f/0x4b0
[ 292.443593][ T4653] ? gfs2_recover_set+0x240/0x240
[ 292.448684][ T4653] ? snprintf+0xe5/0x140
[ 292.452979][ T4653] ? vscnprintf+0x80/0x80
[ 292.457341][ T4653] gfs2_fill_super+0x128c/0x1fb0
[ 292.462317][ T4653] ? gfs2_reconfigure+0xd30/0xd30
[ 292.467377][ T4653] ? sb_set_blocksize+0xa5/0xe0
[ 292.472263][ T4653] get_tree_bdev+0x3f1/0x610
[ 292.476882][ T4653] ? gfs2_reconfigure+0xd30/0xd30
[ 292.481948][ T4653] gfs2_get_tree+0x4d/0x1e0
[ 292.486475][ T4653] vfs_get_tree+0x88/0x270
[ 292.490917][ T4653] do_new_mount+0x24a/0xa40
[ 292.495445][ T4653] __se_sys_mount+0x2e3/0x3d0
[ 292.500144][ T4653] ? __x64_sys_mount+0xc0/0xc0
[ 292.504934][ T4653] ? lockdep_hardirqs_on+0x94/0x140
[ 292.510162][ T4653] ? __x64_sys_mount+0x1c/0xc0
[ 292.514946][ T4653] do_syscall_64+0x4c/0xa0
[ 292.519388][ T4653] ? clear_bhb_loop+0x60/0xb0
[ 292.524092][ T4653] ? clear_bhb_loop+0x60/0xb0
[ 292.528837][ T4653] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 292.534756][ T4653] RIP: 0033:0x7f106fb9e04a
[ 292.539200][ T4653] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 292.558847][ T4653] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.567301][ T4653] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 292.575315][ T4653] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 292.583325][ T4653] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 292.591329][ T4653] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 292.599320][ T4653] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 292.607362][ T4653]
[ 292.611438][ T4653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.626194][ T4653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.939754][ T4654] loop1: detected capacity change from 0 to 32768
[ 292.947662][ T4654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.955107][ T4654] CPU: 1 PID: 4654 Comm: syz.1.208 Not tainted syzkaller #0
[ 292.962443][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.972539][ T4654] Call Trace:
[ 292.975866][ T4654]
[ 292.978826][ T4654] dump_stack_lvl+0x188/0x24e
[ 292.983558][ T4654] ? show_regs_print_info+0x12/0x12
[ 292.988811][ T4654] ? load_image+0x400/0x400
[ 292.993364][ T4654] sysfs_create_dir_ns+0x26a/0x290
[ 292.998536][ T4654] ? sysfs_warn_dup+0xa0/0xa0
[ 293.003243][ T4654] ? do_raw_spin_unlock+0x11d/0x230
[ 293.008467][ T4654] kobject_add_internal+0x61c/0xcc0
[ 293.013707][ T4654] kobject_init_and_add+0x128/0x190
[ 293.018944][ T4654] ? lockdep_softirqs_off+0x430/0x430
[ 293.024345][ T4654] ? kobject_add+0x230/0x230
[ 293.028961][ T4654] ? __init_swait_queue_head+0xa5/0x150
[ 293.034539][ T4654] gfs2_sys_fs_add+0x24f/0x4b0
[ 293.039344][ T4654] ? gfs2_recover_set+0x240/0x240
[ 293.044408][ T4654] ? snprintf+0xe5/0x140
[ 293.048694][ T4654] ? vscnprintf+0x80/0x80
[ 293.053055][ T4654] gfs2_fill_super+0x128c/0x1fb0
[ 293.058062][ T4654] ? gfs2_reconfigure+0xd30/0xd30
[ 293.063116][ T4654] ? sb_set_blocksize+0xa5/0xe0
[ 293.068021][ T4654] get_tree_bdev+0x3f1/0x610
[ 293.072642][ T4654] ? gfs2_reconfigure+0xd30/0xd30
[ 293.077697][ T4654] gfs2_get_tree+0x4d/0x1e0
[ 293.082224][ T4654] vfs_get_tree+0x88/0x270
[ 293.086666][ T4654] do_new_mount+0x24a/0xa40
[ 293.091201][ T4654] __se_sys_mount+0x2e3/0x3d0
[ 293.095905][ T4654] ? __x64_sys_mount+0xc0/0xc0
[ 293.100709][ T4654] ? lockdep_hardirqs_on+0x94/0x140
[ 293.105933][ T4654] ? __x64_sys_mount+0x1c/0xc0
[ 293.110718][ T4654] do_syscall_64+0x4c/0xa0
[ 293.115166][ T4654] ? clear_bhb_loop+0x60/0xb0
[ 293.119877][ T4654] ? clear_bhb_loop+0x60/0xb0
[ 293.124587][ T4654] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 293.130516][ T4654] RIP: 0033:0x7f106fb9e04a
[ 293.134961][ T4654] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 293.154593][ T4654] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.163044][ T4654] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 293.171047][ T4654] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 293.179052][ T4654] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 293.187052][ T4654] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 293.195052][ T4654] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 293.203068][ T4654]
[ 293.219811][ T4654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.234621][ T4654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.557143][ T4655] loop1: detected capacity change from 0 to 32768
[ 293.571849][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.579762][ T4655] CPU: 1 PID: 4655 Comm: syz.1.209 Not tainted syzkaller #0
[ 293.587091][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 293.597194][ T4655] Call Trace:
[ 293.600557][ T4655]
[ 293.603530][ T4655] dump_stack_lvl+0x188/0x24e
[ 293.608264][ T4655] ? show_regs_print_info+0x12/0x12
[ 293.613523][ T4655] ? load_image+0x400/0x400
[ 293.618087][ T4655] sysfs_create_dir_ns+0x26a/0x290
[ 293.623262][ T4655] ? sysfs_warn_dup+0xa0/0xa0
[ 293.627983][ T4655] ? do_raw_spin_unlock+0x11d/0x230
[ 293.633239][ T4655] kobject_add_internal+0x61c/0xcc0
[ 293.638522][ T4655] kobject_init_and_add+0x128/0x190
[ 293.643811][ T4655] ? lockdep_softirqs_off+0x430/0x430
[ 293.649241][ T4655] ? kobject_add+0x230/0x230
[ 293.653890][ T4655] ? __init_swait_queue_head+0xa5/0x150
[ 293.659492][ T4655] gfs2_sys_fs_add+0x24f/0x4b0
[ 293.664340][ T4655] ? gfs2_recover_set+0x240/0x240
[ 293.669413][ T4655] ? snprintf+0xe5/0x140
[ 293.673704][ T4655] ? vscnprintf+0x80/0x80
[ 293.678096][ T4655] gfs2_fill_super+0x128c/0x1fb0
[ 293.683095][ T4655] ? gfs2_reconfigure+0xd30/0xd30
[ 293.688172][ T4655] ? sb_set_blocksize+0xa5/0xe0
[ 293.693069][ T4655] get_tree_bdev+0x3f1/0x610
[ 293.697725][ T4655] ? gfs2_reconfigure+0xd30/0xd30
[ 293.702806][ T4655] gfs2_get_tree+0x4d/0x1e0
[ 293.707358][ T4655] vfs_get_tree+0x88/0x270
[ 293.711822][ T4655] do_new_mount+0x24a/0xa40
[ 293.716396][ T4655] __se_sys_mount+0x2e3/0x3d0
[ 293.721126][ T4655] ? __x64_sys_mount+0xc0/0xc0
[ 293.725929][ T4655] ? lockdep_hardirqs_on+0x94/0x140
[ 293.731167][ T4655] ? __x64_sys_mount+0x1c/0xc0
[ 293.735974][ T4655] do_syscall_64+0x4c/0xa0
[ 293.740433][ T4655] ? clear_bhb_loop+0x60/0xb0
[ 293.745149][ T4655] ? clear_bhb_loop+0x60/0xb0
[ 293.749959][ T4655] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 293.755895][ T4655] RIP: 0033:0x7f106fb9e04a
[ 293.760354][ T4655] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 293.779994][ T4655] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.788448][ T4655] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 293.796467][ T4655] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 293.804475][ T4655] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 293.812476][ T4655] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 293.820491][ T4655] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 293.828522][ T4655]
[ 293.842367][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.856658][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.165174][ T4656] loop1: detected capacity change from 0 to 32768
[ 294.191727][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.200576][ T4656] CPU: 0 PID: 4656 Comm: syz.1.210 Not tainted syzkaller #0
[ 294.207929][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.218035][ T4656] Call Trace:
[ 294.221357][ T4656]
[ 294.224330][ T4656] dump_stack_lvl+0x188/0x24e
[ 294.229083][ T4656] ? show_regs_print_info+0x12/0x12
[ 294.234358][ T4656] ? load_image+0x400/0x400
[ 294.238962][ T4656] sysfs_create_dir_ns+0x26a/0x290
[ 294.244135][ T4656] ? sysfs_warn_dup+0xa0/0xa0
[ 294.248877][ T4656] ? do_raw_spin_unlock+0x11d/0x230
[ 294.254134][ T4656] kobject_add_internal+0x61c/0xcc0
[ 294.259391][ T4656] kobject_init_and_add+0x128/0x190
[ 294.264643][ T4656] ? lockdep_softirqs_off+0x430/0x430
[ 294.270087][ T4656] ? kobject_add+0x230/0x230
[ 294.274744][ T4656] ? __init_swait_queue_head+0xa5/0x150
[ 294.280351][ T4656] gfs2_sys_fs_add+0x24f/0x4b0
[ 294.285179][ T4656] ? gfs2_recover_set+0x240/0x240
[ 294.290269][ T4656] ? snprintf+0xe5/0x140
[ 294.294575][ T4656] ? vscnprintf+0x80/0x80
[ 294.298981][ T4656] gfs2_fill_super+0x128c/0x1fb0
[ 294.304032][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 294.309124][ T4656] ? sb_set_blocksize+0xa5/0xe0
[ 294.314039][ T4656] get_tree_bdev+0x3f1/0x610
[ 294.318690][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 294.323775][ T4656] gfs2_get_tree+0x4d/0x1e0
[ 294.328340][ T4656] vfs_get_tree+0x88/0x270
[ 294.332835][ T4656] do_new_mount+0x24a/0xa40
[ 294.337398][ T4656] __se_sys_mount+0x2e3/0x3d0
[ 294.342132][ T4656] ? __x64_sys_mount+0xc0/0xc0
[ 294.346974][ T4656] ? lockdep_hardirqs_on+0x94/0x140
[ 294.352232][ T4656] ? __x64_sys_mount+0x1c/0xc0
[ 294.357053][ T4656] do_syscall_64+0x4c/0xa0
[ 294.361527][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 294.366262][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 294.371000][ T4656] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 294.376945][ T4656] RIP: 0033:0x7f106fb9e04a
[ 294.381410][ T4656] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 294.401067][ T4656] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.409535][ T4656] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 294.417559][ T4656] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 294.425589][ T4656] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 294.433617][ T4656] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 294.441639][ T4656] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 294.449673][ T4656]
[ 294.454295][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.467809][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 00:04:51 executed programs: 196
[ 294.789685][ T4657] loop1: detected capacity change from 0 to 32768
[ 294.812382][ T4657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.820453][ T4657] CPU: 0 PID: 4657 Comm: syz.1.211 Not tainted syzkaller #0
[ 294.827795][ T4657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.837885][ T4657] Call Trace:
[ 294.841198][ T4657]
[ 294.844166][ T4657] dump_stack_lvl+0x188/0x24e
[ 294.848895][ T4657] ? show_regs_print_info+0x12/0x12
[ 294.854154][ T4657] ? load_image+0x400/0x400
[ 294.858720][ T4657] sysfs_create_dir_ns+0x26a/0x290
[ 294.863879][ T4657] ? sysfs_warn_dup+0xa0/0xa0
[ 294.868597][ T4657] ? do_raw_spin_unlock+0x11d/0x230
[ 294.873879][ T4657] kobject_add_internal+0x61c/0xcc0
[ 294.879144][ T4657] kobject_init_and_add+0x128/0x190
[ 294.884382][ T4657] ? lockdep_softirqs_off+0x430/0x430
[ 294.889806][ T4657] ? kobject_add+0x230/0x230
[ 294.894467][ T4657] ? __init_swait_queue_head+0xa5/0x150
[ 294.900064][ T4657] gfs2_sys_fs_add+0x24f/0x4b0
[ 294.904887][ T4657] ? gfs2_recover_set+0x240/0x240
[ 294.909965][ T4657] ? snprintf+0xe5/0x140
[ 294.914260][ T4657] ? vscnprintf+0x80/0x80
[ 294.918643][ T4657] gfs2_fill_super+0x128c/0x1fb0
[ 294.923632][ T4657] ? gfs2_reconfigure+0xd30/0xd30
[ 294.928706][ T4657] ? sb_set_blocksize+0xa5/0xe0
[ 294.933617][ T4657] get_tree_bdev+0x3f1/0x610
[ 294.938252][ T4657] ? gfs2_reconfigure+0xd30/0xd30
[ 294.943315][ T4657] gfs2_get_tree+0x4d/0x1e0
[ 294.947863][ T4657] vfs_get_tree+0x88/0x270
[ 294.952334][ T4657] do_new_mount+0x24a/0xa40
[ 294.956891][ T4657] __se_sys_mount+0x2e3/0x3d0
[ 294.961611][ T4657] ? __x64_sys_mount+0xc0/0xc0
[ 294.966416][ T4657] ? lockdep_hardirqs_on+0x94/0x140
[ 294.971688][ T4657] ? __x64_sys_mount+0x1c/0xc0
[ 294.976494][ T4657] do_syscall_64+0x4c/0xa0
[ 294.980964][ T4657] ? clear_bhb_loop+0x60/0xb0
[ 294.985685][ T4657] ? clear_bhb_loop+0x60/0xb0
[ 294.990406][ T4657] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 294.996340][ T4657] RIP: 0033:0x7f106fb9e04a
[ 295.000803][ T4657] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 295.020447][ T4657] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.028898][ T4657] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 295.036909][ T4657] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 295.044912][ T4657] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 295.052916][ T4657] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 295.060946][ T4657] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 295.068964][ T4657]
[ 295.072995][ T4657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.087905][ T4657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.404781][ T4658] loop1: detected capacity change from 0 to 32768
[ 295.422852][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.430432][ T4658] CPU: 0 PID: 4658 Comm: syz.1.212 Not tainted syzkaller #0
[ 295.437740][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 295.447817][ T4658] Call Trace:
[ 295.451121][ T4658]
[ 295.454089][ T4658] dump_stack_lvl+0x188/0x24e
[ 295.458804][ T4658] ? show_regs_print_info+0x12/0x12
[ 295.464032][ T4658] ? load_image+0x400/0x400
[ 295.468565][ T4658] sysfs_create_dir_ns+0x26a/0x290
[ 295.473737][ T4658] ? sysfs_warn_dup+0xa0/0xa0
[ 295.478443][ T4658] ? do_raw_spin_unlock+0x11d/0x230
[ 295.483694][ T4658] kobject_add_internal+0x61c/0xcc0
[ 295.488962][ T4658] kobject_init_and_add+0x128/0x190
[ 295.494198][ T4658] ? lockdep_softirqs_off+0x430/0x430
[ 295.499599][ T4658] ? kobject_add+0x230/0x230
[ 295.504218][ T4658] ? __init_swait_queue_head+0xa5/0x150
[ 295.509792][ T4658] gfs2_sys_fs_add+0x24f/0x4b0
[ 295.514626][ T4658] ? gfs2_recover_set+0x240/0x240
[ 295.519689][ T4658] ? snprintf+0xe5/0x140
[ 295.523966][ T4658] ? vscnprintf+0x80/0x80
[ 295.528326][ T4658] gfs2_fill_super+0x128c/0x1fb0
[ 295.533291][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 295.538341][ T4658] ? sb_set_blocksize+0xa5/0xe0
[ 295.543211][ T4658] get_tree_bdev+0x3f1/0x610
[ 295.547849][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 295.552900][ T4658] gfs2_get_tree+0x4d/0x1e0
[ 295.557423][ T4658] vfs_get_tree+0x88/0x270
[ 295.561861][ T4658] do_new_mount+0x24a/0xa40
[ 295.566385][ T4658] __se_sys_mount+0x2e3/0x3d0
[ 295.571111][ T4658] ? __x64_sys_mount+0xc0/0xc0
[ 295.575898][ T4658] ? lockdep_hardirqs_on+0x94/0x140
[ 295.581117][ T4658] ? __x64_sys_mount+0x1c/0xc0
[ 295.585900][ T4658] do_syscall_64+0x4c/0xa0
[ 295.590338][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 295.595039][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 295.599747][ T4658] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 295.605672][ T4658] RIP: 0033:0x7f106fb9e04a
[ 295.610106][ T4658] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 295.629729][ T4658] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.638158][ T4658] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 295.646145][ T4658] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 295.654140][ T4658] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 295.662134][ T4658] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 295.670116][ T4658] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 295.678128][ T4658]
[ 295.682523][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.698745][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.014224][ T4659] loop1: detected capacity change from 0 to 32768
[ 296.032818][ T4659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.040362][ T4659] CPU: 1 PID: 4659 Comm: syz.1.213 Not tainted syzkaller #0
[ 296.047702][ T4659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.057804][ T4659] Call Trace:
[ 296.061124][ T4659]
[ 296.064096][ T4659] dump_stack_lvl+0x188/0x24e
[ 296.068847][ T4659] ? show_regs_print_info+0x12/0x12
[ 296.074113][ T4659] ? load_image+0x400/0x400
[ 296.078685][ T4659] sysfs_create_dir_ns+0x26a/0x290
[ 296.083856][ T4659] ? sysfs_warn_dup+0xa0/0xa0
[ 296.088597][ T4659] ? do_raw_spin_unlock+0x11d/0x230
[ 296.093844][ T4659] kobject_add_internal+0x61c/0xcc0
[ 296.099110][ T4659] kobject_init_and_add+0x128/0x190
[ 296.104359][ T4659] ? lockdep_softirqs_off+0x430/0x430
[ 296.109802][ T4659] ? kobject_add+0x230/0x230
[ 296.114453][ T4659] ? __init_swait_queue_head+0xa5/0x150
[ 296.120050][ T4659] gfs2_sys_fs_add+0x24f/0x4b0
[ 296.124862][ T4659] ? gfs2_recover_set+0x240/0x240
[ 296.129921][ T4659] ? snprintf+0xe5/0x140
[ 296.134203][ T4659] ? vscnprintf+0x80/0x80
[ 296.138570][ T4659] gfs2_fill_super+0x128c/0x1fb0
[ 296.143553][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 296.148620][ T4659] ? sb_set_blocksize+0xa5/0xe0
[ 296.153512][ T4659] get_tree_bdev+0x3f1/0x610
[ 296.158134][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 296.163187][ T4659] gfs2_get_tree+0x4d/0x1e0
[ 296.167725][ T4659] vfs_get_tree+0x88/0x270
[ 296.172174][ T4659] do_new_mount+0x24a/0xa40
[ 296.176707][ T4659] __se_sys_mount+0x2e3/0x3d0
[ 296.181416][ T4659] ? __x64_sys_mount+0xc0/0xc0
[ 296.186234][ T4659] ? lockdep_hardirqs_on+0x94/0x140
[ 296.191463][ T4659] ? __x64_sys_mount+0x1c/0xc0
[ 296.196256][ T4659] do_syscall_64+0x4c/0xa0
[ 296.200705][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 296.205412][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 296.210111][ T4659] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 296.216180][ T4659] RIP: 0033:0x7f106fb9e04a
[ 296.220620][ T4659] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 296.240252][ T4659] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.248693][ T4659] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 296.256689][ T4659] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 296.264685][ T4659] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 296.272679][ T4659] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 296.280691][ T4659] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 296.288713][ T4659]
[ 296.298983][ T4659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.313225][ T4659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.666929][ T4660] loop1: detected capacity change from 0 to 32768
[ 296.685802][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.693253][ T4660] CPU: 0 PID: 4660 Comm: syz.1.214 Not tainted syzkaller #0
[ 296.700590][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.710683][ T4660] Call Trace:
[ 296.714009][ T4660]
[ 296.716986][ T4660] dump_stack_lvl+0x188/0x24e
[ 296.721730][ T4660] ? show_regs_print_info+0x12/0x12
[ 296.727000][ T4660] ? load_image+0x400/0x400
[ 296.731573][ T4660] sysfs_create_dir_ns+0x26a/0x290
[ 296.736754][ T4660] ? sysfs_warn_dup+0xa0/0xa0
[ 296.741504][ T4660] ? do_raw_spin_unlock+0x11d/0x230
[ 296.746761][ T4660] kobject_add_internal+0x61c/0xcc0
[ 296.752017][ T4660] kobject_init_and_add+0x128/0x190
[ 296.757266][ T4660] ? lockdep_softirqs_off+0x430/0x430
[ 296.762707][ T4660] ? kobject_add+0x230/0x230
[ 296.767370][ T4660] ? __init_swait_queue_head+0xa5/0x150
[ 296.772983][ T4660] gfs2_sys_fs_add+0x24f/0x4b0
[ 296.777815][ T4660] ? gfs2_recover_set+0x240/0x240
[ 296.782902][ T4660] ? snprintf+0xe5/0x140
[ 296.787210][ T4660] ? vscnprintf+0x80/0x80
[ 296.791605][ T4660] gfs2_fill_super+0x128c/0x1fb0
[ 296.796609][ T4660] ? gfs2_reconfigure+0xd30/0xd30
[ 296.801720][ T4660] ? sb_set_blocksize+0xa5/0xe0
[ 296.806611][ T4660] get_tree_bdev+0x3f1/0x610
[ 296.811232][ T4660] ? gfs2_reconfigure+0xd30/0xd30
[ 296.816287][ T4660] gfs2_get_tree+0x4d/0x1e0
[ 296.820823][ T4660] vfs_get_tree+0x88/0x270
[ 296.825277][ T4660] do_new_mount+0x24a/0xa40
[ 296.829822][ T4660] __se_sys_mount+0x2e3/0x3d0
[ 296.834537][ T4660] ? __x64_sys_mount+0xc0/0xc0
[ 296.839344][ T4660] ? lockdep_hardirqs_on+0x94/0x140
[ 296.844571][ T4660] ? __x64_sys_mount+0x1c/0xc0
[ 296.849371][ T4660] do_syscall_64+0x4c/0xa0
[ 296.853827][ T4660] ? clear_bhb_loop+0x60/0xb0
[ 296.858535][ T4660] ? clear_bhb_loop+0x60/0xb0
[ 296.863246][ T4660] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 296.869195][ T4660] RIP: 0033:0x7f106fb9e04a
[ 296.873636][ T4660] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 296.893270][ T4660] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.901716][ T4660] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 296.909713][ T4660] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 296.917709][ T4660] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 296.925705][ T4660] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 296.933706][ T4660] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 296.941718][ T4660]
[ 296.950631][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.964240][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.264996][ T4661] loop1: detected capacity change from 0 to 32768
[ 297.291993][ T4661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.299708][ T4661] CPU: 0 PID: 4661 Comm: syz.1.215 Not tainted syzkaller #0
[ 297.307052][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.317231][ T4661] Call Trace:
[ 297.320542][ T4661]
[ 297.323513][ T4661] dump_stack_lvl+0x188/0x24e
[ 297.328247][ T4661] ? show_regs_print_info+0x12/0x12
[ 297.333497][ T4661] ? load_image+0x400/0x400
[ 297.338056][ T4661] sysfs_create_dir_ns+0x26a/0x290
[ 297.343231][ T4661] ? sysfs_warn_dup+0xa0/0xa0
[ 297.347961][ T4661] ? do_raw_spin_unlock+0x11d/0x230
[ 297.353231][ T4661] kobject_add_internal+0x61c/0xcc0
[ 297.358486][ T4661] kobject_init_and_add+0x128/0x190
[ 297.363731][ T4661] ? lockdep_softirqs_off+0x430/0x430
[ 297.369157][ T4661] ? kobject_add+0x230/0x230
[ 297.373797][ T4661] ? __init_swait_queue_head+0xa5/0x150
[ 297.379393][ T4661] gfs2_sys_fs_add+0x24f/0x4b0
[ 297.384209][ T4661] ? gfs2_recover_set+0x240/0x240
[ 297.389284][ T4661] ? snprintf+0xe5/0x140
[ 297.393579][ T4661] ? vscnprintf+0x80/0x80
[ 297.397978][ T4661] gfs2_fill_super+0x128c/0x1fb0
[ 297.402978][ T4661] ? gfs2_reconfigure+0xd30/0xd30
[ 297.408077][ T4661] ? sb_set_blocksize+0xa5/0xe0
[ 297.412999][ T4661] get_tree_bdev+0x3f1/0x610
[ 297.417642][ T4661] ? gfs2_reconfigure+0xd30/0xd30
[ 297.422718][ T4661] gfs2_get_tree+0x4d/0x1e0
[ 297.427314][ T4661] vfs_get_tree+0x88/0x270
[ 297.431799][ T4661] do_new_mount+0x24a/0xa40
[ 297.436375][ T4661] __se_sys_mount+0x2e3/0x3d0
[ 297.441111][ T4661] ? __x64_sys_mount+0xc0/0xc0
[ 297.445944][ T4661] ? lockdep_hardirqs_on+0x94/0x140
[ 297.451200][ T4661] ? __x64_sys_mount+0x1c/0xc0
[ 297.456014][ T4661] do_syscall_64+0x4c/0xa0
[ 297.460509][ T4661] ? clear_bhb_loop+0x60/0xb0
[ 297.465238][ T4661] ? clear_bhb_loop+0x60/0xb0
[ 297.469984][ T4661] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 297.475936][ T4661] RIP: 0033:0x7f106fb9e04a
[ 297.480410][ T4661] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 297.500159][ T4661] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.508633][ T4661] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 297.516660][ T4661] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 297.524691][ T4661] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 297.532720][ T4661] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 297.540749][ T4661] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 297.548787][ T4661]
[ 297.553156][ T4661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.566696][ T4661] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.883809][ T4662] loop1: detected capacity change from 0 to 32768
[ 297.894497][ T4662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.905715][ T4662] CPU: 1 PID: 4662 Comm: syz.1.216 Not tainted syzkaller #0
[ 297.913042][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.923115][ T4662] Call Trace:
[ 297.926427][ T4662]
[ 297.929399][ T4662] dump_stack_lvl+0x188/0x24e
[ 297.934126][ T4662] ? show_regs_print_info+0x12/0x12
[ 297.939404][ T4662] ? load_image+0x400/0x400
[ 297.943957][ T4662] sysfs_create_dir_ns+0x26a/0x290
[ 297.949126][ T4662] ? sysfs_warn_dup+0xa0/0xa0
[ 297.953862][ T4662] ? do_raw_spin_unlock+0x11d/0x230
[ 297.959105][ T4662] kobject_add_internal+0x61c/0xcc0
[ 297.964365][ T4662] kobject_init_and_add+0x128/0x190
[ 297.969618][ T4662] ? lockdep_softirqs_off+0x430/0x430
[ 297.975052][ T4662] ? kobject_add+0x230/0x230
[ 297.979711][ T4662] ? __init_swait_queue_head+0xa5/0x150
[ 297.985326][ T4662] gfs2_sys_fs_add+0x24f/0x4b0
[ 297.990144][ T4662] ? gfs2_recover_set+0x240/0x240
[ 297.995217][ T4662] ? snprintf+0xe5/0x140
[ 297.999518][ T4662] ? vscnprintf+0x80/0x80
[ 298.003903][ T4662] gfs2_fill_super+0x128c/0x1fb0
[ 298.008900][ T4662] ? gfs2_reconfigure+0xd30/0xd30
[ 298.013975][ T4662] ? sb_set_blocksize+0xa5/0xe0
[ 298.018879][ T4662] get_tree_bdev+0x3f1/0x610
[ 298.023579][ T4662] ? gfs2_reconfigure+0xd30/0xd30
[ 298.028669][ T4662] gfs2_get_tree+0x4d/0x1e0
[ 298.033215][ T4662] vfs_get_tree+0x88/0x270
[ 298.037676][ T4662] do_new_mount+0x24a/0xa40
[ 298.042226][ T4662] __se_sys_mount+0x2e3/0x3d0
[ 298.046955][ T4662] ? __x64_sys_mount+0xc0/0xc0
[ 298.051765][ T4662] ? lockdep_hardirqs_on+0x94/0x140
[ 298.057015][ T4662] ? __x64_sys_mount+0x1c/0xc0
[ 298.061829][ T4662] do_syscall_64+0x4c/0xa0
[ 298.066289][ T4662] ? clear_bhb_loop+0x60/0xb0
[ 298.071010][ T4662] ? clear_bhb_loop+0x60/0xb0
[ 298.075735][ T4662] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 298.081661][ T4662] RIP: 0033:0x7f106fb9e04a
[ 298.086111][ T4662] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 298.105753][ T4662] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.114207][ T4662] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 298.122217][ T4662] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 298.130224][ T4662] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 298.138239][ T4662] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 298.146242][ T4662] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 298.154259][ T4662]
[ 298.161753][ T4662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.175065][ T4662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.462817][ T4663] loop1: detected capacity change from 0 to 32768
[ 298.478664][ T4663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.486253][ T4663] CPU: 0 PID: 4663 Comm: syz.1.217 Not tainted syzkaller #0
[ 298.493585][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.503678][ T4663] Call Trace:
[ 298.507008][ T4663]
[ 298.509972][ T4663] dump_stack_lvl+0x188/0x24e
[ 298.514695][ T4663] ? show_regs_print_info+0x12/0x12
[ 298.519946][ T4663] ? load_image+0x400/0x400
[ 298.524502][ T4663] sysfs_create_dir_ns+0x26a/0x290
[ 298.529654][ T4663] ? sysfs_warn_dup+0xa0/0xa0
[ 298.534387][ T4663] ? do_raw_spin_unlock+0x11d/0x230
[ 298.539655][ T4663] kobject_add_internal+0x61c/0xcc0
[ 298.544899][ T4663] kobject_init_and_add+0x128/0x190
[ 298.550134][ T4663] ? lockdep_softirqs_off+0x430/0x430
[ 298.555535][ T4663] ? kobject_add+0x230/0x230
[ 298.560146][ T4663] ? __init_swait_queue_head+0xa5/0x150
[ 298.565715][ T4663] gfs2_sys_fs_add+0x24f/0x4b0
[ 298.570545][ T4663] ? gfs2_recover_set+0x240/0x240
[ 298.575595][ T4663] ? snprintf+0xe5/0x140
[ 298.579862][ T4663] ? vscnprintf+0x80/0x80
[ 298.584231][ T4663] gfs2_fill_super+0x128c/0x1fb0
[ 298.589213][ T4663] ? gfs2_reconfigure+0xd30/0xd30
[ 298.594286][ T4663] ? sb_set_blocksize+0xa5/0xe0
[ 298.599182][ T4663] get_tree_bdev+0x3f1/0x610
[ 298.603827][ T4663] ? gfs2_reconfigure+0xd30/0xd30
[ 298.608878][ T4663] gfs2_get_tree+0x4d/0x1e0
[ 298.613428][ T4663] vfs_get_tree+0x88/0x270
[ 298.617873][ T4663] do_new_mount+0x24a/0xa40
[ 298.622408][ T4663] __se_sys_mount+0x2e3/0x3d0
[ 298.627112][ T4663] ? __x64_sys_mount+0xc0/0xc0
[ 298.631898][ T4663] ? lockdep_hardirqs_on+0x94/0x140
[ 298.637117][ T4663] ? __x64_sys_mount+0x1c/0xc0
[ 298.641906][ T4663] do_syscall_64+0x4c/0xa0
[ 298.646345][ T4663] ? clear_bhb_loop+0x60/0xb0
[ 298.651048][ T4663] ? clear_bhb_loop+0x60/0xb0
[ 298.655753][ T4663] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 298.661674][ T4663] RIP: 0033:0x7f106fb9e04a
[ 298.666120][ T4663] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 298.685753][ T4663] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.694195][ T4663] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 298.702241][ T4663] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 298.710251][ T4663] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 298.718253][ T4663] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 298.726246][ T4663] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 298.734255][ T4663]
[ 298.740512][ T48] Bluetooth: hci1: command 0x0406 tx timeout
[ 298.751394][ T4663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.766475][ T4663] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.073867][ T4664] loop1: detected capacity change from 0 to 32768
[ 299.088079][ T4664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.095592][ T4664] CPU: 0 PID: 4664 Comm: syz.1.218 Not tainted syzkaller #0
[ 299.102993][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.113074][ T4664] Call Trace:
[ 299.116412][ T4664]
[ 299.119382][ T4664] dump_stack_lvl+0x188/0x24e
[ 299.124209][ T4664] ? show_regs_print_info+0x12/0x12
[ 299.129469][ T4664] ? load_image+0x400/0x400
[ 299.134030][ T4664] sysfs_create_dir_ns+0x26a/0x290
[ 299.139190][ T4664] ? sysfs_warn_dup+0xa0/0xa0
[ 299.143924][ T4664] ? do_raw_spin_unlock+0x11d/0x230
[ 299.149163][ T4664] kobject_add_internal+0x61c/0xcc0
[ 299.154404][ T4664] kobject_init_and_add+0x128/0x190
[ 299.159632][ T4664] ? lockdep_softirqs_off+0x430/0x430
[ 299.165035][ T4664] ? kobject_add+0x230/0x230
[ 299.169680][ T4664] ? __init_swait_queue_head+0xa5/0x150
[ 299.175254][ T4664] gfs2_sys_fs_add+0x24f/0x4b0
[ 299.180053][ T4664] ? gfs2_recover_set+0x240/0x240
[ 299.185103][ T4664] ? snprintf+0xe5/0x140
[ 299.189387][ T4664] ? vscnprintf+0x80/0x80
[ 299.193747][ T4664] gfs2_fill_super+0x128c/0x1fb0
[ 299.198717][ T4664] ? gfs2_reconfigure+0xd30/0xd30
[ 299.203779][ T4664] ? sb_set_blocksize+0xa5/0xe0
[ 299.208687][ T4664] get_tree_bdev+0x3f1/0x610
[ 299.213310][ T4664] ? gfs2_reconfigure+0xd30/0xd30
[ 299.218356][ T4664] gfs2_get_tree+0x4d/0x1e0
[ 299.222885][ T4664] vfs_get_tree+0x88/0x270
[ 299.227364][ T4664] do_new_mount+0x24a/0xa40
[ 299.231912][ T4664] __se_sys_mount+0x2e3/0x3d0
[ 299.236614][ T4664] ? __x64_sys_mount+0xc0/0xc0
[ 299.241416][ T4664] ? lockdep_hardirqs_on+0x94/0x140
[ 299.246636][ T4664] ? __x64_sys_mount+0x1c/0xc0
[ 299.251423][ T4664] do_syscall_64+0x4c/0xa0
[ 299.255862][ T4664] ? clear_bhb_loop+0x60/0xb0
[ 299.260570][ T4664] ? clear_bhb_loop+0x60/0xb0
[ 299.265309][ T4664] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 299.271234][ T4664] RIP: 0033:0x7f106fb9e04a
[ 299.275668][ T4664] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 299.295294][ T4664] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.303754][ T4664] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 299.311741][ T4664] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 299.319731][ T4664] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 299.327727][ T4664] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 299.335736][ T4664] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 299.343742][ T4664]
[ 299.352437][ T4664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.367801][ T4664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.684339][ T4665] loop1: detected capacity change from 0 to 32768
[ 299.695907][ T4665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.703338][ T4665] CPU: 1 PID: 4665 Comm: syz.1.219 Not tainted syzkaller #0
[ 299.710683][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.720764][ T4665] Call Trace:
[ 299.724064][ T4665]
[ 299.727023][ T4665] dump_stack_lvl+0x188/0x24e
[ 299.731735][ T4665] ? show_regs_print_info+0x12/0x12
[ 299.736972][ T4665] ? load_image+0x400/0x400
[ 299.741515][ T4665] sysfs_create_dir_ns+0x26a/0x290
[ 299.746656][ T4665] ? sysfs_warn_dup+0xa0/0xa0
[ 299.751370][ T4665] ? do_raw_spin_unlock+0x11d/0x230
[ 299.756618][ T4665] kobject_add_internal+0x61c/0xcc0
[ 299.761874][ T4665] kobject_init_and_add+0x128/0x190
[ 299.767110][ T4665] ? lockdep_softirqs_off+0x430/0x430
[ 299.772526][ T4665] ? kobject_add+0x230/0x230
[ 299.777145][ T4665] ? __init_swait_queue_head+0xa5/0x150
[ 299.782728][ T4665] gfs2_sys_fs_add+0x24f/0x4b0
[ 299.787540][ T4665] ? gfs2_recover_set+0x240/0x240
[ 299.792601][ T4665] ? snprintf+0xe5/0x140
[ 299.796869][ T4665] ? vscnprintf+0x80/0x80
[ 299.801223][ T4665] gfs2_fill_super+0x128c/0x1fb0
[ 299.806198][ T4665] ? gfs2_reconfigure+0xd30/0xd30
[ 299.811246][ T4665] ? sb_set_blocksize+0xa5/0xe0
[ 299.816122][ T4665] get_tree_bdev+0x3f1/0x610
[ 299.820738][ T4665] ? gfs2_reconfigure+0xd30/0xd30
[ 299.825786][ T4665] gfs2_get_tree+0x4d/0x1e0
[ 299.830312][ T4665] vfs_get_tree+0x88/0x270
[ 299.834769][ T4665] do_new_mount+0x24a/0xa40
[ 299.839307][ T4665] __se_sys_mount+0x2e3/0x3d0
[ 299.844017][ T4665] ? __x64_sys_mount+0xc0/0xc0
[ 299.848811][ T4665] ? lockdep_hardirqs_on+0x94/0x140
[ 299.854032][ T4665] ? __x64_sys_mount+0x1c/0xc0
[ 299.858836][ T4665] do_syscall_64+0x4c/0xa0
[ 299.863285][ T4665] ? clear_bhb_loop+0x60/0xb0
[ 299.867995][ T4665] ? clear_bhb_loop+0x60/0xb0
[ 299.872700][ T4665] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 299.878611][ T4665] RIP: 0033:0x7f106fb9e04a
[ 299.883041][ T4665] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 299.902664][ T4665] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.911091][ T4665] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 299.919096][ T4665] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 299.927087][ T4665] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 299.935068][ T4665] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 299.943088][ T4665] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 299.951127][ T4665]
[ 299.959128][ T4665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.975592][ T4665] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 00:04:56 executed programs: 205
[ 300.299797][ T4666] loop1: detected capacity change from 0 to 32768
[ 300.318515][ T4666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.326011][ T4666] CPU: 1 PID: 4666 Comm: syz.1.220 Not tainted syzkaller #0
[ 300.333346][ T4666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.343439][ T4666] Call Trace:
[ 300.346760][ T4666]
[ 300.349724][ T4666] dump_stack_lvl+0x188/0x24e
[ 300.354462][ T4666] ? show_regs_print_info+0x12/0x12
[ 300.359715][ T4666] ? load_image+0x400/0x400
[ 300.364283][ T4666] sysfs_create_dir_ns+0x26a/0x290
[ 300.369454][ T4666] ? sysfs_warn_dup+0xa0/0xa0
[ 300.374182][ T4666] ? do_raw_spin_unlock+0x11d/0x230
[ 300.379430][ T4666] kobject_add_internal+0x61c/0xcc0
[ 300.384676][ T4666] kobject_init_and_add+0x128/0x190
[ 300.389920][ T4666] ? lockdep_softirqs_off+0x430/0x430
[ 300.395350][ T4666] ? kobject_add+0x230/0x230
[ 300.399989][ T4666] ? __init_swait_queue_head+0xa5/0x150
[ 300.405585][ T4666] gfs2_sys_fs_add+0x24f/0x4b0
[ 300.410405][ T4666] ? gfs2_recover_set+0x240/0x240
[ 300.415476][ T4666] ? snprintf+0xe5/0x140
[ 300.419777][ T4666] ? vscnprintf+0x80/0x80
[ 300.424257][ T4666] gfs2_fill_super+0x128c/0x1fb0
[ 300.429271][ T4666] ? gfs2_reconfigure+0xd30/0xd30
[ 300.434350][ T4666] ? sb_set_blocksize+0xa5/0xe0
[ 300.439260][ T4666] get_tree_bdev+0x3f1/0x610
[ 300.444018][ T4666] ? gfs2_reconfigure+0xd30/0xd30
[ 300.449106][ T4666] gfs2_get_tree+0x4d/0x1e0
[ 300.453666][ T4666] vfs_get_tree+0x88/0x270
[ 300.458217][ T4666] do_new_mount+0x24a/0xa40
[ 300.462789][ T4666] __se_sys_mount+0x2e3/0x3d0
[ 300.467515][ T4666] ? __x64_sys_mount+0xc0/0xc0
[ 300.472324][ T4666] ? lockdep_hardirqs_on+0x94/0x140
[ 300.477562][ T4666] ? __x64_sys_mount+0x1c/0xc0
[ 300.482364][ T4666] do_syscall_64+0x4c/0xa0
[ 300.486826][ T4666] ? clear_bhb_loop+0x60/0xb0
[ 300.491544][ T4666] ? clear_bhb_loop+0x60/0xb0
[ 300.496287][ T4666] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 300.502228][ T4666] RIP: 0033:0x7f106fb9e04a
[ 300.506671][ T4666] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 300.526309][ T4666] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 300.534759][ T4666] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 300.542763][ T4666] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 300.550770][ T4666] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 300.558783][ T4666] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 300.566778][ T4666] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 300.574779][ T4666]
[ 300.579886][ T4666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.593703][ T4666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.921697][ T4667] loop1: detected capacity change from 0 to 32768
[ 300.930738][ T4667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.945737][ T4667] CPU: 1 PID: 4667 Comm: syz.1.221 Not tainted syzkaller #0
[ 300.953081][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.963190][ T4667] Call Trace:
[ 300.966502][ T4667]
[ 300.969484][ T4667] dump_stack_lvl+0x188/0x24e
[ 300.974214][ T4667] ? show_regs_print_info+0x12/0x12
[ 300.979474][ T4667] ? load_image+0x400/0x400
[ 300.984057][ T4667] sysfs_create_dir_ns+0x26a/0x290
[ 300.989224][ T4667] ? sysfs_warn_dup+0xa0/0xa0
[ 300.993970][ T4667] ? do_raw_spin_unlock+0x11d/0x230
[ 300.999226][ T4667] kobject_add_internal+0x61c/0xcc0
[ 301.004472][ T4667] kobject_init_and_add+0x128/0x190
[ 301.009827][ T4667] ? lockdep_softirqs_off+0x430/0x430
[ 301.015252][ T4667] ? kobject_add+0x230/0x230
[ 301.019909][ T4667] ? __init_swait_queue_head+0xa5/0x150
[ 301.025509][ T4667] gfs2_sys_fs_add+0x24f/0x4b0
[ 301.030338][ T4667] ? gfs2_recover_set+0x240/0x240
[ 301.035425][ T4667] ? snprintf+0xe5/0x140
[ 301.039706][ T4667] ? vscnprintf+0x80/0x80
[ 301.044071][ T4667] gfs2_fill_super+0x128c/0x1fb0
[ 301.049051][ T4667] ? gfs2_reconfigure+0xd30/0xd30
[ 301.054113][ T4667] ? sb_set_blocksize+0xa5/0xe0
[ 301.059008][ T4667] get_tree_bdev+0x3f1/0x610
[ 301.063624][ T4667] ? gfs2_reconfigure+0xd30/0xd30
[ 301.068666][ T4667] gfs2_get_tree+0x4d/0x1e0
[ 301.073193][ T4667] vfs_get_tree+0x88/0x270
[ 301.077641][ T4667] do_new_mount+0x24a/0xa40
[ 301.082168][ T4667] __se_sys_mount+0x2e3/0x3d0
[ 301.086874][ T4667] ? __x64_sys_mount+0xc0/0xc0
[ 301.091659][ T4667] ? lockdep_hardirqs_on+0x94/0x140
[ 301.096874][ T4667] ? __x64_sys_mount+0x1c/0xc0
[ 301.101658][ T4667] do_syscall_64+0x4c/0xa0
[ 301.106104][ T4667] ? clear_bhb_loop+0x60/0xb0
[ 301.110807][ T4667] ? clear_bhb_loop+0x60/0xb0
[ 301.115507][ T4667] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 301.121425][ T4667] RIP: 0033:0x7f106fb9e04a
[ 301.125859][ T4667] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 301.145499][ T4667] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.153943][ T4667] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 301.161938][ T4667] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 301.169928][ T4667] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 301.177930][ T4667] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 301.185918][ T4667] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 301.193916][ T4667]
[ 301.204431][ T4667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.217696][ T4667] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 301.629329][ T4668] loop1: detected capacity change from 0 to 32768
[ 301.637980][ T4668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 301.645574][ T4668] CPU: 1 PID: 4668 Comm: syz.1.222 Not tainted syzkaller #0
[ 301.652902][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.662984][ T4668] Call Trace:
[ 301.666277][ T4668]
[ 301.669231][ T4668] dump_stack_lvl+0x188/0x24e
[ 301.673937][ T4668] ? show_regs_print_info+0x12/0x12
[ 301.679168][ T4668] ? load_image+0x400/0x400
[ 301.683877][ T4668] sysfs_create_dir_ns+0x26a/0x290
[ 301.689035][ T4668] ? sysfs_warn_dup+0xa0/0xa0
[ 301.693746][ T4668] ? do_raw_spin_unlock+0x11d/0x230
[ 301.698973][ T4668] kobject_add_internal+0x61c/0xcc0
[ 301.704201][ T4668] kobject_init_and_add+0x128/0x190
[ 301.709426][ T4668] ? lockdep_softirqs_off+0x430/0x430
[ 301.714822][ T4668] ? kobject_add+0x230/0x230
[ 301.719431][ T4668] ? __init_swait_queue_head+0xa5/0x150
[ 301.725015][ T4668] gfs2_sys_fs_add+0x24f/0x4b0
[ 301.729820][ T4668] ? gfs2_recover_set+0x240/0x240
[ 301.734866][ T4668] ? snprintf+0xe5/0x140
[ 301.739134][ T4668] ? vscnprintf+0x80/0x80
[ 301.743498][ T4668] gfs2_fill_super+0x128c/0x1fb0
[ 301.748465][ T4668] ? gfs2_reconfigure+0xd30/0xd30
[ 301.753526][ T4668] ? sb_set_blocksize+0xa5/0xe0
[ 301.758406][ T4668] get_tree_bdev+0x3f1/0x610
[ 301.763018][ T4668] ? gfs2_reconfigure+0xd30/0xd30
[ 301.768060][ T4668] gfs2_get_tree+0x4d/0x1e0
[ 301.772584][ T4668] vfs_get_tree+0x88/0x270
[ 301.777023][ T4668] do_new_mount+0x24a/0xa40
[ 301.781550][ T4668] __se_sys_mount+0x2e3/0x3d0
[ 301.786261][ T4668] ? __x64_sys_mount+0xc0/0xc0
[ 301.791049][ T4668] ? lockdep_hardirqs_on+0x94/0x140
[ 301.796266][ T4668] ? __x64_sys_mount+0x1c/0xc0
[ 301.801076][ T4668] do_syscall_64+0x4c/0xa0
[ 301.805541][ T4668] ? clear_bhb_loop+0x60/0xb0
[ 301.810261][ T4668] ? clear_bhb_loop+0x60/0xb0
[ 301.814980][ T4668] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 301.820896][ T4668] RIP: 0033:0x7f106fb9e04a
[ 301.825502][ T4668] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 301.845128][ T4668] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.853558][ T4668] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 301.861550][ T4668] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 301.869540][ T4668] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 301.877527][ T4668] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 301.885531][ T4668] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 301.893544][ T4668]
[ 301.904441][ T4668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.919792][ T4668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.256377][ T4669] loop1: detected capacity change from 0 to 32768
[ 302.271569][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.279750][ T4669] CPU: 0 PID: 4669 Comm: syz.1.223 Not tainted syzkaller #0
[ 302.287077][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.297169][ T4669] Call Trace:
[ 302.300485][ T4669]
[ 302.303463][ T4669] dump_stack_lvl+0x188/0x24e
[ 302.308198][ T4669] ? show_regs_print_info+0x12/0x12
[ 302.313449][ T4669] ? load_image+0x400/0x400
[ 302.318014][ T4669] sysfs_create_dir_ns+0x26a/0x290
[ 302.323203][ T4669] ? sysfs_warn_dup+0xa0/0xa0
[ 302.327930][ T4669] ? do_raw_spin_unlock+0x11d/0x230
[ 302.333207][ T4669] kobject_add_internal+0x61c/0xcc0
[ 302.338502][ T4669] kobject_init_and_add+0x128/0x190
[ 302.343757][ T4669] ? lockdep_softirqs_off+0x430/0x430
[ 302.349196][ T4669] ? kobject_add+0x230/0x230
[ 302.353838][ T4669] ? __init_swait_queue_head+0xa5/0x150
[ 302.359442][ T4669] gfs2_sys_fs_add+0x24f/0x4b0
[ 302.364263][ T4669] ? gfs2_recover_set+0x240/0x240
[ 302.369346][ T4669] ? snprintf+0xe5/0x140
[ 302.373638][ T4669] ? vscnprintf+0x80/0x80
[ 302.378024][ T4669] gfs2_fill_super+0x128c/0x1fb0
[ 302.383013][ T4669] ? gfs2_reconfigure+0xd30/0xd30
[ 302.388091][ T4669] ? sb_set_blocksize+0xa5/0xe0
[ 302.393001][ T4669] get_tree_bdev+0x3f1/0x610
[ 302.397646][ T4669] ? gfs2_reconfigure+0xd30/0xd30
[ 302.402717][ T4669] gfs2_get_tree+0x4d/0x1e0
[ 302.407264][ T4669] vfs_get_tree+0x88/0x270
[ 302.411726][ T4669] do_new_mount+0x24a/0xa40
[ 302.416294][ T4669] __se_sys_mount+0x2e3/0x3d0
[ 302.421019][ T4669] ? __x64_sys_mount+0xc0/0xc0
[ 302.425841][ T4669] ? lockdep_hardirqs_on+0x94/0x140
[ 302.431094][ T4669] ? __x64_sys_mount+0x1c/0xc0
[ 302.435912][ T4669] do_syscall_64+0x4c/0xa0
[ 302.440373][ T4669] ? clear_bhb_loop+0x60/0xb0
[ 302.445095][ T4669] ? clear_bhb_loop+0x60/0xb0
[ 302.449820][ T4669] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 302.455808][ T4669] RIP: 0033:0x7f106fb9e04a
[ 302.460266][ T4669] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 302.479934][ T4669] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 302.488399][ T4669] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 302.496411][ T4669] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 302.504421][ T4669] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 302.512436][ T4669] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 302.520451][ T4669] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 302.528494][ T4669]
[ 302.532523][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 302.545808][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.828987][ T4673] loop1: detected capacity change from 0 to 32768
[ 302.844718][ T4673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.852296][ T4673] CPU: 0 PID: 4673 Comm: syz.1.224 Not tainted syzkaller #0
[ 302.859626][ T4673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.869720][ T4673] Call Trace:
[ 302.873038][ T4673]
[ 302.876010][ T4673] dump_stack_lvl+0x188/0x24e
[ 302.880757][ T4673] ? show_regs_print_info+0x12/0x12
[ 302.886019][ T4673] ? load_image+0x400/0x400
[ 302.890574][ T4673] sysfs_create_dir_ns+0x26a/0x290
[ 302.895739][ T4673] ? sysfs_warn_dup+0xa0/0xa0
[ 302.900467][ T4673] ? do_raw_spin_unlock+0x11d/0x230
[ 302.905724][ T4673] kobject_add_internal+0x61c/0xcc0
[ 302.910968][ T4673] kobject_init_and_add+0x128/0x190
[ 302.916213][ T4673] ? lockdep_softirqs_off+0x430/0x430
[ 302.921633][ T4673] ? kobject_add+0x230/0x230
[ 302.926289][ T4673] ? __init_swait_queue_head+0xa5/0x150
[ 302.931886][ T4673] gfs2_sys_fs_add+0x24f/0x4b0
[ 302.936692][ T4673] ? gfs2_recover_set+0x240/0x240
[ 302.941761][ T4673] ? snprintf+0xe5/0x140
[ 302.946057][ T4673] ? vscnprintf+0x80/0x80
[ 302.950445][ T4673] gfs2_fill_super+0x128c/0x1fb0
[ 302.955437][ T4673] ? gfs2_reconfigure+0xd30/0xd30
[ 302.960517][ T4673] ? sb_set_blocksize+0xa5/0xe0
[ 302.965419][ T4673] get_tree_bdev+0x3f1/0x610
[ 302.970043][ T4673] ? gfs2_reconfigure+0xd30/0xd30
[ 302.975098][ T4673] gfs2_get_tree+0x4d/0x1e0
[ 302.979639][ T4673] vfs_get_tree+0x88/0x270
[ 302.984105][ T4673] do_new_mount+0x24a/0xa40
[ 302.988657][ T4673] __se_sys_mount+0x2e3/0x3d0
[ 302.993384][ T4673] ? __x64_sys_mount+0xc0/0xc0
[ 302.998283][ T4673] ? lockdep_hardirqs_on+0x94/0x140
[ 303.003543][ T4673] ? __x64_sys_mount+0x1c/0xc0
[ 303.008359][ T4673] do_syscall_64+0x4c/0xa0
[ 303.012855][ T4673] ? clear_bhb_loop+0x60/0xb0
[ 303.017570][ T4673] ? clear_bhb_loop+0x60/0xb0
[ 303.022288][ T4673] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 303.028217][ T4673] RIP: 0033:0x7f106fb9e04a
[ 303.032660][ T4673] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 303.052302][ T4673] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.060761][ T4673] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 303.068762][ T4673] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 303.076796][ T4673] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 303.084821][ T4673] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 303.092830][ T4673] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 303.100865][ T4673]
[ 303.106288][ T4673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.119507][ T4673] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 303.420034][ T4674] loop1: detected capacity change from 0 to 32768
[ 303.433846][ T4674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 303.442742][ T4674] CPU: 0 PID: 4674 Comm: syz.1.225 Not tainted syzkaller #0
[ 303.450089][ T4674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 303.460180][ T4674] Call Trace:
[ 303.463502][ T4674]
[ 303.466466][ T4674] dump_stack_lvl+0x188/0x24e
[ 303.471189][ T4674] ? show_regs_print_info+0x12/0x12
[ 303.476442][ T4674] ? load_image+0x400/0x400
[ 303.481000][ T4674] sysfs_create_dir_ns+0x26a/0x290
[ 303.486156][ T4674] ? sysfs_warn_dup+0xa0/0xa0
[ 303.490896][ T4674] ? do_raw_spin_unlock+0x11d/0x230
[ 303.496135][ T4674] kobject_add_internal+0x61c/0xcc0
[ 303.501378][ T4674] kobject_init_and_add+0x128/0x190
[ 303.506632][ T4674] ? lockdep_softirqs_off+0x430/0x430
[ 303.512057][ T4674] ? kobject_add+0x230/0x230
[ 303.516692][ T4674] ? __init_swait_queue_head+0xa5/0x150
[ 303.522291][ T4674] gfs2_sys_fs_add+0x24f/0x4b0
[ 303.527106][ T4674] ? gfs2_recover_set+0x240/0x240
[ 303.532247][ T4674] ? snprintf+0xe5/0x140
[ 303.536561][ T4674] ? vscnprintf+0x80/0x80
[ 303.540937][ T4674] gfs2_fill_super+0x128c/0x1fb0
[ 303.545907][ T4674] ? gfs2_reconfigure+0xd30/0xd30
[ 303.550955][ T4674] ? sb_set_blocksize+0xa5/0xe0
[ 303.555831][ T4674] get_tree_bdev+0x3f1/0x610
[ 303.560447][ T4674] ? gfs2_reconfigure+0xd30/0xd30
[ 303.565490][ T4674] gfs2_get_tree+0x4d/0x1e0
[ 303.570020][ T4674] vfs_get_tree+0x88/0x270
[ 303.574460][ T4674] do_new_mount+0x24a/0xa40
[ 303.578989][ T4674] __se_sys_mount+0x2e3/0x3d0
[ 303.583691][ T4674] ? __x64_sys_mount+0xc0/0xc0
[ 303.588494][ T4674] ? lockdep_hardirqs_on+0x94/0x140
[ 303.593728][ T4674] ? __x64_sys_mount+0x1c/0xc0
[ 303.598530][ T4674] do_syscall_64+0x4c/0xa0
[ 303.602978][ T4674] ? clear_bhb_loop+0x60/0xb0
[ 303.607699][ T4674] ? clear_bhb_loop+0x60/0xb0
[ 303.612400][ T4674] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 303.618310][ T4674] RIP: 0033:0x7f106fb9e04a
[ 303.622744][ T4674] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 303.642450][ T4674] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.650881][ T4674] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 303.658867][ T4674] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 303.666879][ T4674] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 303.674903][ T4674] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 303.682897][ T4674] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 303.690902][ T4674]
[ 303.696864][ T4674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.711121][ T4674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 304.026148][ T4677] loop1: detected capacity change from 0 to 32768
[ 304.043626][ T4677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.053020][ T4677] CPU: 0 PID: 4677 Comm: syz.1.226 Not tainted syzkaller #0
[ 304.060358][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.070448][ T4677] Call Trace:
[ 304.073762][ T4677]
[ 304.076764][ T4677] dump_stack_lvl+0x188/0x24e
[ 304.081516][ T4677] ? show_regs_print_info+0x12/0x12
[ 304.086937][ T4677] ? load_image+0x400/0x400
[ 304.091539][ T4677] sysfs_create_dir_ns+0x26a/0x290
[ 304.096702][ T4677] ? sysfs_warn_dup+0xa0/0xa0
[ 304.101463][ T4677] ? do_raw_spin_unlock+0x11d/0x230
[ 304.106699][ T4677] kobject_add_internal+0x61c/0xcc0
[ 304.111948][ T4677] kobject_init_and_add+0x128/0x190
[ 304.117199][ T4677] ? lockdep_softirqs_off+0x430/0x430
[ 304.122619][ T4677] ? kobject_add+0x230/0x230
[ 304.127258][ T4677] ? __init_swait_queue_head+0xa5/0x150
[ 304.132867][ T4677] gfs2_sys_fs_add+0x24f/0x4b0
[ 304.137694][ T4677] ? gfs2_recover_set+0x240/0x240
[ 304.142790][ T4677] ? snprintf+0xe5/0x140
[ 304.147095][ T4677] ? vscnprintf+0x80/0x80
[ 304.151502][ T4677] gfs2_fill_super+0x128c/0x1fb0
[ 304.156508][ T4677] ? gfs2_reconfigure+0xd30/0xd30
[ 304.161603][ T4677] ? sb_set_blocksize+0xa5/0xe0
[ 304.166527][ T4677] get_tree_bdev+0x3f1/0x610
[ 304.171172][ T4677] ? gfs2_reconfigure+0xd30/0xd30
[ 304.176252][ T4677] gfs2_get_tree+0x4d/0x1e0
[ 304.180813][ T4677] vfs_get_tree+0x88/0x270
[ 304.185283][ T4677] do_new_mount+0x24a/0xa40
[ 304.189846][ T4677] __se_sys_mount+0x2e3/0x3d0
[ 304.194591][ T4677] ? __x64_sys_mount+0xc0/0xc0
[ 304.199414][ T4677] ? lockdep_hardirqs_on+0x94/0x140
[ 304.204658][ T4677] ? __x64_sys_mount+0x1c/0xc0
[ 304.209504][ T4677] do_syscall_64+0x4c/0xa0
[ 304.213977][ T4677] ? clear_bhb_loop+0x60/0xb0
[ 304.218733][ T4677] ? clear_bhb_loop+0x60/0xb0
[ 304.223474][ T4677] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 304.229426][ T4677] RIP: 0033:0x7f106fb9e04a
[ 304.233906][ T4677] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 304.253583][ T4677] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 304.262045][ T4677] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 304.270075][ T4677] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 304.278102][ T4677] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 304.286124][ T4677] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 304.294139][ T4677] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 304.302175][ T4677]
[ 304.306908][ T4677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 304.320596][ T4677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 304.639966][ T4678] loop1: detected capacity change from 0 to 32768
[ 304.656105][ T4678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.663640][ T4678] CPU: 1 PID: 4678 Comm: syz.1.227 Not tainted syzkaller #0
[ 304.670974][ T4678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.681073][ T4678] Call Trace:
[ 304.684396][ T4678]
[ 304.687369][ T4678] dump_stack_lvl+0x188/0x24e
[ 304.692113][ T4678] ? show_regs_print_info+0x12/0x12
[ 304.697375][ T4678] ? load_image+0x400/0x400
[ 304.701957][ T4678] sysfs_create_dir_ns+0x26a/0x290
[ 304.707134][ T4678] ? sysfs_warn_dup+0xa0/0xa0
[ 304.711879][ T4678] ? do_raw_spin_unlock+0x11d/0x230
[ 304.717143][ T4678] kobject_add_internal+0x61c/0xcc0
[ 304.722372][ T4678] kobject_init_and_add+0x128/0x190
[ 304.727594][ T4678] ? lockdep_softirqs_off+0x430/0x430
[ 304.732996][ T4678] ? kobject_add+0x230/0x230
[ 304.737613][ T4678] ? __init_swait_queue_head+0xa5/0x150
[ 304.743192][ T4678] gfs2_sys_fs_add+0x24f/0x4b0
[ 304.748000][ T4678] ? gfs2_recover_set+0x240/0x240
[ 304.753062][ T4678] ? snprintf+0xe5/0x140
[ 304.757327][ T4678] ? vscnprintf+0x80/0x80
[ 304.761682][ T4678] gfs2_fill_super+0x128c/0x1fb0
[ 304.766670][ T4678] ? gfs2_reconfigure+0xd30/0xd30
[ 304.771741][ T4678] ? sb_set_blocksize+0xa5/0xe0
[ 304.776629][ T4678] get_tree_bdev+0x3f1/0x610
[ 304.781244][ T4678] ? gfs2_reconfigure+0xd30/0xd30
[ 304.786294][ T4678] gfs2_get_tree+0x4d/0x1e0
[ 304.790910][ T4678] vfs_get_tree+0x88/0x270
[ 304.795360][ T4678] do_new_mount+0x24a/0xa40
[ 304.799892][ T4678] __se_sys_mount+0x2e3/0x3d0
[ 304.804596][ T4678] ? __x64_sys_mount+0xc0/0xc0
[ 304.809379][ T4678] ? lockdep_hardirqs_on+0x94/0x140
[ 304.814616][ T4678] ? __x64_sys_mount+0x1c/0xc0
[ 304.819410][ T4678] do_syscall_64+0x4c/0xa0
[ 304.823854][ T4678] ? clear_bhb_loop+0x60/0xb0
[ 304.828566][ T4678] ? clear_bhb_loop+0x60/0xb0
[ 304.833270][ T4678] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 304.839185][ T4678] RIP: 0033:0x7f106fb9e04a
[ 304.843616][ T4678] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 304.863245][ T4678] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 304.871686][ T4678] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 304.879705][ T4678] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 304.887699][ T4678] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 304.895687][ T4678] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 304.903676][ T4678] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 304.911708][ T4678]
[ 304.918210][ T4678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 304.931943][ T4678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 305.242513][ T4679] loop1: detected capacity change from 0 to 32768
[ 305.260010][ T4679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 305.267519][ T4679] CPU: 0 PID: 4679 Comm: syz.1.228 Not tainted syzkaller #0
[ 305.274856][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 305.284959][ T4679] Call Trace:
[ 305.288264][ T4679]
[ 305.291225][ T4679] dump_stack_lvl+0x188/0x24e
[ 305.295960][ T4679] ? show_regs_print_info+0x12/0x12
[ 305.301209][ T4679] ? load_image+0x400/0x400
[ 305.305770][ T4679] sysfs_create_dir_ns+0x26a/0x290
[ 305.310933][ T4679] ? sysfs_warn_dup+0xa0/0xa0
[ 305.315658][ T4679] ? do_raw_spin_unlock+0x11d/0x230
[ 305.320910][ T4679] kobject_add_internal+0x61c/0xcc0
[ 305.326155][ T4679] kobject_init_and_add+0x128/0x190
[ 305.331398][ T4679] ? lockdep_softirqs_off+0x430/0x430
[ 305.336822][ T4679] ? kobject_add+0x230/0x230
[ 305.341459][ T4679] ? __init_swait_queue_head+0xa5/0x150
[ 305.347050][ T4679] gfs2_sys_fs_add+0x24f/0x4b0
[ 305.351875][ T4679] ? gfs2_recover_set+0x240/0x240
[ 305.356953][ T4679] ? snprintf+0xe5/0x140
[ 305.361239][ T4679] ? vscnprintf+0x80/0x80
[ 305.365613][ T4679] gfs2_fill_super+0x128c/0x1fb0
[ 305.370618][ T4679] ? gfs2_reconfigure+0xd30/0xd30
[ 305.375690][ T4679] ? sb_set_blocksize+0xa5/0xe0
[ 305.380577][ T4679] get_tree_bdev+0x3f1/0x610
[ 305.385278][ T4679] ? gfs2_reconfigure+0xd30/0xd30
[ 305.390331][ T4679] gfs2_get_tree+0x4d/0x1e0
[ 305.394872][ T4679] vfs_get_tree+0x88/0x270
[ 305.399314][ T4679] do_new_mount+0x24a/0xa40
[ 305.403842][ T4679] __se_sys_mount+0x2e3/0x3d0
[ 305.408546][ T4679] ? __x64_sys_mount+0xc0/0xc0
[ 305.413329][ T4679] ? lockdep_hardirqs_on+0x94/0x140
[ 305.418542][ T4679] ? __x64_sys_mount+0x1c/0xc0
[ 305.423331][ T4679] do_syscall_64+0x4c/0xa0
[ 305.427777][ T4679] ? clear_bhb_loop+0x60/0xb0
[ 305.432488][ T4679] ? clear_bhb_loop+0x60/0xb0
[ 305.437189][ T4679] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 305.443108][ T4679] RIP: 0033:0x7f106fb9e04a
[ 305.447581][ T4679] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 305.467206][ T4679] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 305.475650][ T4679] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 305.483648][ T4679] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 305.491647][ T4679] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 305.499646][ T4679] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 305.507642][ T4679] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 305.515657][ T4679]
[ 305.521926][ T4679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 305.535570][ T4679] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 00:05:02 executed programs: 214
[ 305.849449][ T4680] loop1: detected capacity change from 0 to 32768
[ 305.866287][ T4680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 305.874075][ T4680] CPU: 1 PID: 4680 Comm: syz.1.229 Not tainted syzkaller #0
[ 305.881405][ T4680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 305.891504][ T4680] Call Trace:
[ 305.894830][ T4680]
[ 305.897795][ T4680] dump_stack_lvl+0x188/0x24e
[ 305.902530][ T4680] ? show_regs_print_info+0x12/0x12
[ 305.907790][ T4680] ? load_image+0x400/0x400
[ 305.912360][ T4680] sysfs_create_dir_ns+0x26a/0x290
[ 305.917532][ T4680] ? sysfs_warn_dup+0xa0/0xa0
[ 305.922265][ T4680] ? do_raw_spin_unlock+0x11d/0x230
[ 305.927522][ T4680] kobject_add_internal+0x61c/0xcc0
[ 305.932775][ T4680] kobject_init_and_add+0x128/0x190
[ 305.938000][ T4680] ? lockdep_softirqs_off+0x430/0x430
[ 305.943416][ T4680] ? kobject_add+0x230/0x230
[ 305.948046][ T4680] ? __init_swait_queue_head+0xa5/0x150
[ 305.953656][ T4680] gfs2_sys_fs_add+0x24f/0x4b0
[ 305.958462][ T4680] ? gfs2_recover_set+0x240/0x240
[ 305.963521][ T4680] ? snprintf+0xe5/0x140
[ 305.967792][ T4680] ? vscnprintf+0x80/0x80
[ 305.972155][ T4680] gfs2_fill_super+0x128c/0x1fb0
[ 305.977126][ T4680] ? gfs2_reconfigure+0xd30/0xd30
[ 305.982202][ T4680] ? sb_set_blocksize+0xa5/0xe0
[ 305.987084][ T4680] get_tree_bdev+0x3f1/0x610
[ 305.991708][ T4680] ? gfs2_reconfigure+0xd30/0xd30
[ 305.996762][ T4680] gfs2_get_tree+0x4d/0x1e0
[ 306.001302][ T4680] vfs_get_tree+0x88/0x270
[ 306.005752][ T4680] do_new_mount+0x24a/0xa40
[ 306.010302][ T4680] __se_sys_mount+0x2e3/0x3d0
[ 306.015019][ T4680] ? __x64_sys_mount+0xc0/0xc0
[ 306.019822][ T4680] ? lockdep_hardirqs_on+0x94/0x140
[ 306.025042][ T4680] ? __x64_sys_mount+0x1c/0xc0
[ 306.029849][ T4680] do_syscall_64+0x4c/0xa0
[ 306.034292][ T4680] ? clear_bhb_loop+0x60/0xb0
[ 306.039013][ T4680] ? clear_bhb_loop+0x60/0xb0
[ 306.043730][ T4680] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 306.049653][ T4680] RIP: 0033:0x7f106fb9e04a
[ 306.054097][ T4680] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 306.073728][ T4680] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 306.082168][ T4680] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 306.090206][ T4680] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 306.098204][ T4680] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 306.106193][ T4680] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 306.114181][ T4680] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 306.122212][ T4680]
[ 306.133453][ T4680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 306.147099][ T4680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 306.495450][ T4681] loop1: detected capacity change from 0 to 32768
[ 306.512681][ T4681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 306.520202][ T4681] CPU: 0 PID: 4681 Comm: syz.1.230 Not tainted syzkaller #0
[ 306.527539][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.537642][ T4681] Call Trace:
[ 306.540966][ T4681]
[ 306.543939][ T4681] dump_stack_lvl+0x188/0x24e
[ 306.548691][ T4681] ? show_regs_print_info+0x12/0x12
[ 306.553953][ T4681] ? load_image+0x400/0x400
[ 306.558541][ T4681] sysfs_create_dir_ns+0x26a/0x290
[ 306.563702][ T4681] ? sysfs_warn_dup+0xa0/0xa0
[ 306.568419][ T4681] ? do_raw_spin_unlock+0x11d/0x230
[ 306.573654][ T4681] kobject_add_internal+0x61c/0xcc0
[ 306.578891][ T4681] kobject_init_and_add+0x128/0x190
[ 306.584122][ T4681] ? lockdep_softirqs_off+0x430/0x430
[ 306.589539][ T4681] ? kobject_add+0x230/0x230
[ 306.594161][ T4681] ? __init_swait_queue_head+0xa5/0x150
[ 306.599749][ T4681] gfs2_sys_fs_add+0x24f/0x4b0
[ 306.604557][ T4681] ? gfs2_recover_set+0x240/0x240
[ 306.609617][ T4681] ? snprintf+0xe5/0x140
[ 306.613894][ T4681] ? vscnprintf+0x80/0x80
[ 306.618262][ T4681] gfs2_fill_super+0x128c/0x1fb0
[ 306.623244][ T4681] ? gfs2_reconfigure+0xd30/0xd30
[ 306.628308][ T4681] ? sb_set_blocksize+0xa5/0xe0
[ 306.633200][ T4681] get_tree_bdev+0x3f1/0x610
[ 306.637827][ T4681] ? gfs2_reconfigure+0xd30/0xd30
[ 306.642975][ T4681] gfs2_get_tree+0x4d/0x1e0
[ 306.647517][ T4681] vfs_get_tree+0x88/0x270
[ 306.651968][ T4681] do_new_mount+0x24a/0xa40
[ 306.656511][ T4681] __se_sys_mount+0x2e3/0x3d0
[ 306.661223][ T4681] ? __x64_sys_mount+0xc0/0xc0
[ 306.666021][ T4681] ? lockdep_hardirqs_on+0x94/0x140
[ 306.671270][ T4681] ? __x64_sys_mount+0x1c/0xc0
[ 306.676078][ T4681] do_syscall_64+0x4c/0xa0
[ 306.680536][ T4681] ? clear_bhb_loop+0x60/0xb0
[ 306.685249][ T4681] ? clear_bhb_loop+0x60/0xb0
[ 306.690151][ T4681] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 306.696068][ T4681] RIP: 0033:0x7f106fb9e04a
[ 306.700514][ T4681] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 306.720148][ T4681] RSP: 002b:00007fffa4a88088 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 306.728589][ T4681] RAX: ffffffffffffffda RBX: 00007fffa4a88110 RCX: 00007f106fb9e04a
[ 306.736586][ T4681] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007fffa4a880d0
[ 306.744587][ T4681] RBP: 0000200000037f40 R08: 00007fffa4a88110 R09: 0000000001010084
[ 306.752582][ T4681] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 306.760578][ T4681] R13: 00007fffa4a880d0 R14: 0000000000037f45 R15: 0000200000000480
[ 306.768593][ T4681]
[ 306.778283][ T28] INFO: task kworker/1:5:4435 blocked for more than 143 seconds.
[ 306.786887][ T4681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 306.801942][ T28] Not tainted syzkaller #0
[ 306.812063][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 306.820935][ T28] task:kworker/1:5 state:D stack:26200 pid:4435 ppid:2 flags:0x00004000
[ 306.825955][ T4681] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 306.836835][ T28] Workqueue: gfs_recovery gfs2_recover_func
[ 306.836884][ T28] Call Trace:
[ 306.836892][ T28]
[ 306.836905][ T28] __schedule+0x11d1/0x40e0
[ 306.853919][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 306.862323][ T28] ? __sched_text_start+0x8/0x8
[ 306.867411][ T28] ? lock_chain_count+0x20/0x20
[ 306.872421][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 306.882190][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 306.888344][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 306.893710][ T28] schedule+0xb9/0x180
[ 306.900116][ T28] io_schedule+0x7c/0xd0
[ 306.904753][ T28] folio_wait_bit_common+0x70a/0xfa0
[ 306.910394][ T28] ? folio_wait_bit+0x30/0x30
[ 306.915484][ T28] ? migration_entry_wait_on_locked+0xe90/0xe90
[ 306.947716][ T28] ? __submit_bio+0x1a7/0x290
[ 306.952502][ T28] gfs2_jhead_process_page+0x17a/0x800
[ 306.958090][ T28] ? should_fail_request+0x70/0x70
[ 306.963269][ T28] ? gfs2_end_log_read+0x780/0x780
[ 306.989006][ T28] gfs2_find_jhead+0xba2/0xd00
[ 306.994176][ T28] gfs2_recover_func+0x6d2/0x1ca0
[ 306.999357][ T28] ? __get_log_header+0x4f0/0x4f0
[ 307.004425][ T28] ? __lock_acquire+0x13cf/0x7d10
[ 307.025672][ T28] ? verify_lock_unused+0x140/0x140
[ 307.030983][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 307.045674][ T28] ? _raw_spin_unlock+0x40/0x40
[ 307.050595][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 307.055883][ T28] ? process_one_work+0x7b0/0x1160
[ 307.061034][ T28] process_one_work+0x8a2/0x1160
[ 307.066066][ T28] ? worker_detach_from_pool+0x240/0x240
[ 307.071755][ T28] ? _raw_spin_lock_irq+0xb7/0xf0
[ 307.085640][ T28] ? _raw_spin_lock_irqsave+0x100/0x100
[ 307.091272][ T28] ? kthread_data+0x4b/0xc0
[ 307.105676][ T28] worker_thread+0xaa2/0x1270
[ 307.110445][ T28] ? __kthread_parkme+0x162/0x1c0
[ 307.115537][ T28] kthread+0x29d/0x330
[ 307.135640][ T28] ? worker_clr_flags+0x1a0/0x1a0
[ 307.140743][ T28] ? kthread_blkcg+0xd0/0xd0
[ 307.145401][ T28] ret_from_fork+0x1f/0x30
[ 307.157769][ T28]
[ 307.170669][ T28] INFO: task syz.0.17:4436 blocked for more than 143 seconds.
[ 307.189070][ T28] Not tainted syzkaller #0
[ 307.197638][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 307.208977][ T28] task:syz.0.17 state:D stack:24728 pid:4436 ppid:4383 flags:0x00004004
[ 307.218538][ T28] Call Trace:
[ 307.222016][ T28]
[ 307.225000][ T28] __schedule+0x11d1/0x40e0
[ 307.231910][ T28] ? preempt_schedule+0xbc/0xd0
[ 307.237009][ T28] ? lock_chain_count+0x20/0x20
[ 307.241981][ T28] ? __sched_text_start+0x8/0x8
[ 307.249978][ T28] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 307.256296][ T28] ? _raw_spin_unlock+0x40/0x40
[ 307.261201][ T28] schedule+0xb9/0x180
[ 307.265321][ T28] bit_wait+0xd/0xc0
[ 307.271829][ T28] __wait_on_bit+0xa8/0x2d0
[ 307.276599][ T28] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 307.282799][ T28] out_of_line_wait_on_bit+0x138/0x190
[ 307.290823][ T28] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 307.297471][ T28] ? __wait_on_bit+0x2d0/0x2d0
[ 307.302306][ T28] ? bit_waitqueue+0x30/0x30
[ 307.307435][ T28] ? do_raw_spin_unlock+0x11d/0x230
[ 307.312705][ T28] gfs2_recover_journal+0xd6/0x130
[ 307.318225][ T28] init_journal+0x17fc/0x23e0
[ 307.322984][ T28] ? init_inodes+0xdb/0x320
[ 307.328501][ T28] ? _compound_head+0x120/0x120
[ 307.333419][ T28] ? snprintf+0xe5/0x140
[ 307.337990][ T28] ? init_inodes+0xdb/0x320
[ 307.342611][ T28] ? vscnprintf+0x80/0x80
[ 307.347283][ T28] ? gfs2_glock_nq_num+0x17f/0x1c0
[ 307.352458][ T28] init_inodes+0xdb/0x320
[ 307.357146][ T28] gfs2_fill_super+0x1749/0x1fb0
[ 307.362157][ T28] ? gfs2_reconfigure+0xd30/0xd30
[ 307.368067][ T28] ? init_locking+0xb8/0x200
[ 307.372715][ T28] ? sb_set_blocksize+0xa5/0xe0
[ 307.378146][ T28] get_tree_bdev+0x3f1/0x610
[ 307.382806][ T28] ? gfs2_reconfigure+0xd30/0xd30
[ 307.388287][ T28] gfs2_get_tree+0x4d/0x1e0
[ 307.392865][ T28] vfs_get_tree+0x88/0x270
[ 307.397676][ T28] do_new_mount+0x24a/0xa40
[ 307.402797][ T28] __se_sys_mount+0x2e3/0x3d0
[ 307.407944][ T28] ? __x64_sys_mount+0xc0/0xc0
[ 307.412860][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 307.418449][ T28] ? __x64_sys_mount+0x1c/0xc0
[ 307.423354][ T28] do_syscall_64+0x4c/0xa0
[ 307.428870][ T28] ? clear_bhb_loop+0x60/0xb0
[ 307.433685][ T28] ? clear_bhb_loop+0x60/0xb0
[ 307.438819][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 307.444851][ T28] RIP: 0033:0x7f903919e04a
[ 307.449651][ T28] RSP: 002b:00007ffd5e175428 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 307.458401][ T28] RAX: ffffffffffffffda RBX: 00007ffd5e1754b0 RCX: 00007f903919e04a
[ 307.466753][ T28] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffd5e175470
[ 307.474861][ T28] RBP: 0000200000037f40 R08: 00007ffd5e1754b0 R09: 0000000001010084
[ 307.483219][ T28] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 307.492782][ T28] R13: 00007ffd5e175470 R14: 0000000000037f45 R15: 0000200000000480
[ 307.501069][ T28]
[ 307.505287][ T28]
[ 307.505287][ T28] Showing all locks held in the system:
[ 307.513947][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 307.519667][ T28] #0: ffffffff8cb2df70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 307.530961][ T28] 1 lock held by rcu_tasks_trace/13:
[ 307.538206][ T28] #0: ffffffff8cb2e790 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 307.550785][ T28] 1 lock held by khungtaskd/28:
[ 307.557097][ T28] #0: ffffffff8cb2d5e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 307.568738][ T28] 2 locks held by getty/4027:
[ 307.573485][ T28] #0: ffff88814cd39098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 307.584940][ T28] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x429/0x1390
[ 307.596670][ T28] 2 locks held by kworker/1:5/4435:
[ 307.601916][ T28] #0: ffff88801fa82938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 307.615239][ T28] #1: ffffc90003377d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 307.629193][ T28] 1 lock held by syz.0.17/4436:
[ 307.634099][ T28] #0: ffff8880792760e0 (&type->s_umount_key#52/1){+.+.}-{3:3}, at: alloc_super+0x1fa/0x930
[ 307.644847][ T28] 3 locks held by syz.1.231/4683:
[ 307.650343][ T28]
[ 307.652713][ T28] =============================================
[ 307.652713][ T28]
[ 307.662623][ T28] NMI backtrace for cpu 0
[ 307.666998][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 307.674240][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 307.684345][ T28] Call Trace:
[ 307.687669][ T28]
[ 307.690642][ T28] dump_stack_lvl+0x188/0x24e
[ 307.695375][ T28] ? irq_work_queue+0xb8/0x140
[ 307.700200][ T28] ? show_regs_print_info+0x12/0x12
[ 307.705462][ T28] ? load_image+0x400/0x400
[ 307.710018][ T28] ? vprintk_emit+0x59f/0x6a0
[ 307.714770][ T28] ? printk_sprint+0x460/0x460
[ 307.719606][ T28] nmi_cpu_backtrace+0x3e6/0x460
[ 307.724617][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450
[ 307.730836][ T28] ? _printk+0xda/0x130
[ 307.735050][ T28] ? load_image+0x400/0x400
[ 307.739612][ T28] ? load_image+0x400/0x400
[ 307.744200][ T28] ? nmi_trigger_cpumask_backtrace+0xf3/0x450
[ 307.750331][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 307.756434][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450
[ 307.762456][ T28] watchdog+0xeee/0xf30
[ 307.766664][ T28] ? watchdog+0x1ed/0xf30
[ 307.771046][ T28] kthread+0x29d/0x330
[ 307.775140][ T28] ? hungtask_pm_notify+0x40/0x40
[ 307.780202][ T28] ? kthread_blkcg+0xd0/0xd0
[ 307.784821][ T28] ret_from_fork+0x1f/0x30
[ 307.789300][ T28]
[ 307.792960][ T28] Sending NMI from CPU 0 to CPUs 1:
[ 307.798360][ C1] NMI backtrace for cpu 1
[ 307.798371][ C1] CPU: 1 PID: 4683 Comm: syz.1.231 Not tainted syzkaller #0
[ 307.798406][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 307.798417][ C1] RIP: 0010:kasan_check_range+0x12/0x290
[ 307.798455][ C1] Code: ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc cc 00 00 cc cc b0 01 48 85 f6 0f 84 ac 01 00 00 55 41 57 41 56 41 54 <53> 49 89 f8 49 01 f0 0f 82 0e 02 00 00 49 89 f8 49 c1 e8 2f 41 81
[ 307.798472][ C1] RSP: 0018:ffffc90003fff550 EFLAGS: 00000202
[ 307.798488][ C1] RAX: ffffea0001636501 RBX: ffffea0001636600 RCX: ffffffff81da2543
[ 307.798503][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0001636600
[ 307.798515][ C1] RBP: ffffc90003fff678 R08: dffffc0000000000 R09: 1ffffffff215f248
[ 307.798529][ C1] R10: dffffc0000000000 R11: fffffbfff215f249 R12: dffffc0000000000
[ 307.798544][ C1] R13: 0000000000000000 R14: ffff8880270f2000 R15: ffffea0001636608
[ 307.798557][ C1] FS: 000055558cac7500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 307.798575][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 307.798588][ C1] CR2: 00007f1067dfe000 CR3: 000000005f611000 CR4: 00000000003506e0
[ 307.798604][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 307.798616][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 307.798628][ C1] Call Trace:
[ 307.798634][ C1]
[ 307.798642][ C1] __folio_memcg+0x63/0x160
[ 307.798667][ C1] folio_memcg_lock+0xf2/0x320
[ 307.798691][ C1] ? folio_memcg_lock+0x7d/0x320
[ 307.798714][ C1] ? mem_cgroup_get_oom_group+0x350/0x350
[ 307.798738][ C1] ? page_ext_put+0x98/0xb0
[ 307.798764][ C1] ? __lock_acquire+0x7d10/0x7d10
[ 307.798793][ C1] page_remove_rmap+0x2e/0xea0
[ 307.798816][ C1] unmap_page_range+0x114a/0x2500
[ 307.798859][ C1] unmap_vmas+0x260/0x390
[ 307.798886][ C1] ? unmap_vmas+0x1bd/0x390
[ 307.798913][ C1] ? unmap_page_range+0x2500/0x2500
[ 307.798943][ C1] ? __lock_acquire+0x7d10/0x7d10
[ 307.798972][ C1] ? mlock_page_drain_local+0x75/0x490
[ 307.798995][ C1] ? tlb_gather_mmu+0x22f/0x2f0
[ 307.799023][ C1] unmap_region+0x216/0x300
[ 307.799051][ C1] ? do_brk_munmap+0x80/0x80
[ 307.799086][ C1] do_mas_align_munmap+0xcc2/0x12b0
[ 307.799112][ C1] ? verify_lock_unused+0x140/0x140
[ 307.799142][ C1] ? do_mas_align_munmap+0x745/0x12b0
[ 307.799168][ C1] ? do_mas_munmap+0x2b0/0x2b0
[ 307.799196][ C1] ? mtree_range_walk+0x672/0x7b0
[ 307.799226][ C1] ? mas_walk+0x15f/0x180
[ 307.799248][ C1] ? mas_find+0x1e8/0x230
[ 307.799272][ C1] do_mas_munmap+0x240/0x2b0
[ 307.799300][ C1] __vm_munmap+0x1ac/0x2d0
[ 307.799326][ C1] ? vm_munmap+0x20/0x20
[ 307.799350][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 307.799381][ C1] ? syscall_enter_from_user_mode+0x21/0x80
[ 307.799404][ C1] __x64_sys_munmap+0x5c/0x70
[ 307.799429][ C1] do_syscall_64+0x4c/0xa0
[ 307.799461][ C1] ? clear_bhb_loop+0x60/0xb0
[ 307.799486][ C1] ? clear_bhb_loop+0x60/0xb0
[ 307.799510][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 307.799534][ C1] RIP: 0033:0x7f106fb9cc07
[ 307.799550][ C1] Code: 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 307.799566][ C1] RSP: 002b:00007fffa4a88038 EFLAGS: 00000246 ORIG_RAX: 000000000000000b
[ 307.799584][ C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f106fb9cc07
[ 307.799598][ C1] RDX: 0000000001000000 RSI: 0000000008400000 RDI: 00007f1066dff000
[ 307.799611][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 307.799622][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 307.799633][ C1] R13: 00007fffa4a88110 R14: 00007fffa4a880d0 R15: 00007f1066dff000
[ 307.799655][ C1]
[ 307.823919][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 307.823970][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 307.824028][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 307.824062][ T28] Call Trace:
[ 307.824084][ T28]
[ 307.824107][ T28] dump_stack_lvl+0x188/0x24e
[ 307.824208][ T28] ? memcpy+0x3c/0x60
[ 307.824265][ T28] ? show_regs_print_info+0x12/0x12
[ 307.824348][ T28] ? load_image+0x400/0x400
[ 307.824470][ T28] panic+0x2e5/0x730
[ 307.824547][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 307.824647][ T28] ? bpf_jit_dump+0xd0/0xd0
[ 307.824726][ T28] ? __irq_work_queue_local+0x12c/0x190
[ 307.824827][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[ 307.824925][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450
[ 307.825016][ T28] watchdog+0xf2d/0xf30
[ 307.825103][ T28] ? watchdog+0x1ed/0xf30
[ 307.825183][ T28] kthread+0x29d/0x330
[ 307.825237][ T28] ? hungtask_pm_notify+0x40/0x40
[ 307.825298][ T28] ? kthread_blkcg+0xd0/0xd0
[ 307.825363][ T28] ret_from_fork+0x1f/0x30
[ 307.825488][ T28]
[ 307.828130][ T28] Kernel Offset: disabled
[ 308.295852][ T28] Rebooting in 86400 seconds..