0x430
[ 234.875643][ T5444] ? kobject_add+0x230/0x230
[ 234.880642][ T5444] ? __init_swait_queue_head+0xa5/0x150
[ 234.886737][ T5444] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.892319][ T5444] ? gfs2_recover_set+0x240/0x240
[ 234.897842][ T5444] ? snprintf+0xe5/0x140
[ 234.902830][ T5444] ? __free_pages+0x95/0x1a0
[ 234.907601][ T5444] ? vscnprintf+0x80/0x80
[ 234.912305][ T5444] gfs2_fill_super+0x120f/0x1f00
[ 234.917442][ T5444] ? gfs2_reconfigure+0xd30/0xd30
[ 234.922555][ T5444] ? sb_set_blocksize+0xa5/0xe0
[ 234.927395][ T5444] get_tree_bdev+0x3f1/0x610
[ 234.932153][ T5444] ? gfs2_reconfigure+0xd30/0xd30
[ 234.937436][ T5444] gfs2_get_tree+0x4d/0x1e0
[ 234.942121][ T5444] vfs_get_tree+0x88/0x270
[ 234.946794][ T5444] do_new_mount+0x24a/0xa40
[ 234.951647][ T5444] __se_sys_mount+0x2e3/0x3d0
[ 234.956675][ T5444] ? __x64_sys_mount+0xc0/0xc0
[ 234.961539][ T5444] ? lockdep_hardirqs_on+0x94/0x140
[ 234.966732][ T5444] ? __x64_sys_mount+0x1c/0xc0
[ 234.971505][ T5444] do_syscall_64+0x4c/0xa0
[ 234.975915][ T5444] ? clear_bhb_loop+0x30/0x80
[ 234.981061][ T5444] ? clear_bhb_loop+0x30/0x80
[ 234.985741][ T5444] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.991895][ T5444] RIP: 0033:0x7fc4c195860a
[ 234.996610][ T5444] 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
[ 235.016827][ T5444] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.025593][ T5444] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 235.033571][ T5444] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 235.042139][ T5444] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 235.050357][ T5444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.058747][ T5444] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.066811][ T5444]
[ 235.073861][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.087527][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.392593][ T5447] loop1: detected capacity change from 0 to 32768
[ 235.430620][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.444273][ T5447] CPU: 1 PID: 5447 Comm: syz.1.176 Not tainted syzkaller #0
[ 235.452045][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 235.462471][ T5447] Call Trace:
[ 235.465933][ T5447]
[ 235.469219][ T5447] dump_stack_lvl+0x188/0x250
[ 235.474407][ T5447] ? show_regs_print_info+0x20/0x20
[ 235.479930][ T5447] ? load_image+0x400/0x400
[ 235.484641][ T5447] sysfs_create_dir_ns+0x26a/0x290
[ 235.489948][ T5447] ? sysfs_warn_dup+0xa0/0xa0
[ 235.494640][ T5447] ? do_raw_spin_unlock+0x11d/0x230
[ 235.500034][ T5447] kobject_add_internal+0x6e0/0xd90
[ 235.505610][ T5447] kobject_init_and_add+0x128/0x190
[ 235.510999][ T5447] ? lockdep_softirqs_off+0x430/0x430
[ 235.517233][ T5447] ? kobject_add+0x230/0x230
[ 235.522769][ T5447] ? __init_swait_queue_head+0xa5/0x150
[ 235.528584][ T5447] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.533698][ T5447] ? gfs2_recover_set+0x240/0x240
[ 235.539199][ T5447] ? snprintf+0xe5/0x140
[ 235.543532][ T5447] ? __free_pages+0x95/0x1a0
[ 235.548213][ T5447] ? vscnprintf+0x80/0x80
[ 235.552539][ T5447] gfs2_fill_super+0x120f/0x1f00
[ 235.558397][ T5447] ? gfs2_reconfigure+0xd30/0xd30
[ 235.563434][ T5447] ? sb_set_blocksize+0xa5/0xe0
[ 235.568295][ T5447] get_tree_bdev+0x3f1/0x610
[ 235.573181][ T5447] ? gfs2_reconfigure+0xd30/0xd30
[ 235.578431][ T5447] gfs2_get_tree+0x4d/0x1e0
[ 235.583266][ T5447] vfs_get_tree+0x88/0x270
[ 235.588077][ T5447] do_new_mount+0x24a/0xa40
[ 235.592678][ T5447] __se_sys_mount+0x2e3/0x3d0
[ 235.597731][ T5447] ? __x64_sys_mount+0xc0/0xc0
[ 235.602899][ T5447] ? lockdep_hardirqs_on+0x94/0x140
[ 235.608400][ T5447] ? __x64_sys_mount+0x1c/0xc0
[ 235.613270][ T5447] do_syscall_64+0x4c/0xa0
[ 235.617858][ T5447] ? clear_bhb_loop+0x30/0x80
[ 235.622827][ T5447] ? clear_bhb_loop+0x30/0x80
[ 235.627648][ T5447] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.633820][ T5447] RIP: 0033:0x7fc4c195860a
[ 235.638398][ T5447] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 235.659027][ T5447] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.667608][ T5447] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 235.676052][ T5447] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 235.684382][ T5447] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 235.693007][ T5447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.701450][ T5447] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.710121][ T5447]
[ 235.714877][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.728872][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.070949][ T5449] loop1: detected capacity change from 0 to 32768
[ 236.133553][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.143842][ T5449] CPU: 1 PID: 5449 Comm: syz.1.177 Not tainted syzkaller #0
[ 236.151738][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 236.161907][ T5449] Call Trace:
[ 236.165292][ T5449]
[ 236.168316][ T5449] dump_stack_lvl+0x188/0x250
[ 236.173697][ T5449] ? show_regs_print_info+0x20/0x20
[ 236.179141][ T5449] ? load_image+0x400/0x400
[ 236.183868][ T5449] sysfs_create_dir_ns+0x26a/0x290
[ 236.189266][ T5449] ? sysfs_warn_dup+0xa0/0xa0
[ 236.194164][ T5449] ? do_raw_spin_unlock+0x11d/0x230
[ 236.199562][ T5449] kobject_add_internal+0x6e0/0xd90
[ 236.204974][ T5449] kobject_init_and_add+0x128/0x190
[ 236.210573][ T5449] ? lockdep_softirqs_off+0x430/0x430
[ 236.215978][ T5449] ? kobject_add+0x230/0x230
[ 236.220675][ T5449] ? __init_swait_queue_head+0xa5/0x150
[ 236.226353][ T5449] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.231333][ T5449] ? gfs2_recover_set+0x240/0x240
[ 236.236572][ T5449] ? snprintf+0xe5/0x140
[ 236.240814][ T5449] ? __free_pages+0x95/0x1a0
[ 236.245402][ T5449] ? vscnprintf+0x80/0x80
[ 236.249739][ T5449] gfs2_fill_super+0x120f/0x1f00
[ 236.254890][ T5449] ? gfs2_reconfigure+0xd30/0xd30
[ 236.260108][ T5449] ? sb_set_blocksize+0xa5/0xe0
[ 236.265187][ T5449] get_tree_bdev+0x3f1/0x610
[ 236.269949][ T5449] ? gfs2_reconfigure+0xd30/0xd30
[ 236.275093][ T5449] gfs2_get_tree+0x4d/0x1e0
[ 236.279683][ T5449] vfs_get_tree+0x88/0x270
[ 236.284122][ T5449] do_new_mount+0x24a/0xa40
[ 236.288720][ T5449] __se_sys_mount+0x2e3/0x3d0
[ 236.293603][ T5449] ? __x64_sys_mount+0xc0/0xc0
[ 236.298781][ T5449] ? lockdep_hardirqs_on+0x94/0x140
[ 236.304153][ T5449] ? __x64_sys_mount+0x1c/0xc0
[ 236.309087][ T5449] do_syscall_64+0x4c/0xa0
[ 236.313611][ T5449] ? clear_bhb_loop+0x30/0x80
[ 236.318295][ T5449] ? clear_bhb_loop+0x30/0x80
[ 236.323145][ T5449] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.329037][ T5449] RIP: 0033:0x7fc4c195860a
[ 236.333563][ T5449] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 236.354360][ T5449] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.363575][ T5449] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 236.372347][ T5449] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 236.381033][ T5449] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 236.389555][ T5449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.397616][ T5449] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.405901][ T5449]
[ 236.411258][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.426300][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 08:41:26 executed programs: 163
[ 236.757836][ T5451] loop1: detected capacity change from 0 to 32768
[ 236.834026][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.844526][ T5451] CPU: 1 PID: 5451 Comm: syz.1.178 Not tainted syzkaller #0
[ 236.852108][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 236.862353][ T5451] Call Trace:
[ 236.865820][ T5451]
[ 236.868854][ T5451] dump_stack_lvl+0x188/0x250
[ 236.873822][ T5451] ? show_regs_print_info+0x20/0x20
[ 236.880068][ T5451] ? load_image+0x400/0x400
[ 236.884982][ T5451] sysfs_create_dir_ns+0x26a/0x290
[ 236.890690][ T5451] ? sysfs_warn_dup+0xa0/0xa0
[ 236.896223][ T5451] ? do_raw_spin_unlock+0x11d/0x230
[ 236.902694][ T5451] kobject_add_internal+0x6e0/0xd90
[ 236.908331][ T5451] kobject_init_and_add+0x128/0x190
[ 236.914114][ T5451] ? lockdep_softirqs_off+0x430/0x430
[ 236.919905][ T5451] ? kobject_add+0x230/0x230
[ 236.924895][ T5451] ? __init_swait_queue_head+0xa5/0x150
[ 236.930822][ T5451] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.936133][ T5451] ? gfs2_recover_set+0x240/0x240
[ 236.941600][ T5451] ? snprintf+0xe5/0x140
[ 236.947164][ T5451] ? __free_pages+0x95/0x1a0
[ 236.952016][ T5451] ? vscnprintf+0x80/0x80
[ 236.956611][ T5451] gfs2_fill_super+0x120f/0x1f00
[ 236.961823][ T5451] ? gfs2_reconfigure+0xd30/0xd30
[ 236.967519][ T5451] ? sb_set_blocksize+0xa5/0xe0
[ 236.972555][ T5451] get_tree_bdev+0x3f1/0x610
[ 236.977717][ T5451] ? gfs2_reconfigure+0xd30/0xd30
[ 236.983129][ T5451] gfs2_get_tree+0x4d/0x1e0
[ 236.987637][ T5451] vfs_get_tree+0x88/0x270
[ 236.992139][ T5451] do_new_mount+0x24a/0xa40
[ 236.996747][ T5451] __se_sys_mount+0x2e3/0x3d0
[ 237.001725][ T5451] ? __x64_sys_mount+0xc0/0xc0
[ 237.006643][ T5451] ? lockdep_hardirqs_on+0x94/0x140
[ 237.012557][ T5451] ? __x64_sys_mount+0x1c/0xc0
[ 237.017743][ T5451] do_syscall_64+0x4c/0xa0
[ 237.022552][ T5451] ? clear_bhb_loop+0x30/0x80
[ 237.027333][ T5451] ? clear_bhb_loop+0x30/0x80
[ 237.032276][ T5451] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.038174][ T5451] RIP: 0033:0x7fc4c195860a
[ 237.042668][ T5451] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 237.063349][ T5451] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.072256][ T5451] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 237.080674][ T5451] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 237.089150][ T5451] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 237.097392][ T5451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.105798][ T5451] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.114316][ T5451]
[ 237.119020][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.133313][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.441280][ T5453] loop1: detected capacity change from 0 to 32768
[ 237.495408][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.503357][ T5453] CPU: 0 PID: 5453 Comm: syz.1.179 Not tainted syzkaller #0
[ 237.511096][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 237.521533][ T5453] Call Trace:
[ 237.525312][ T5453]
[ 237.528471][ T5453] dump_stack_lvl+0x188/0x250
[ 237.533861][ T5453] ? show_regs_print_info+0x20/0x20
[ 237.539346][ T5453] ? load_image+0x400/0x400
[ 237.544067][ T5453] sysfs_create_dir_ns+0x26a/0x290
[ 237.549549][ T5453] ? sysfs_warn_dup+0xa0/0xa0
[ 237.554342][ T5453] ? do_raw_spin_unlock+0x11d/0x230
[ 237.559678][ T5453] kobject_add_internal+0x6e0/0xd90
[ 237.565354][ T5453] kobject_init_and_add+0x128/0x190
[ 237.570744][ T5453] ? lockdep_softirqs_off+0x430/0x430
[ 237.576541][ T5453] ? kobject_add+0x230/0x230
[ 237.581468][ T5453] ? __init_swait_queue_head+0xa5/0x150
[ 237.587237][ T5453] gfs2_sys_fs_add+0x24f/0x4b0
[ 237.591989][ T5453] ? gfs2_recover_set+0x240/0x240
[ 237.597179][ T5453] ? snprintf+0xe5/0x140
[ 237.601582][ T5453] ? __free_pages+0x95/0x1a0
[ 237.606619][ T5453] ? vscnprintf+0x80/0x80
[ 237.611215][ T5453] gfs2_fill_super+0x120f/0x1f00
[ 237.616411][ T5453] ? gfs2_reconfigure+0xd30/0xd30
[ 237.621605][ T5453] ? sb_set_blocksize+0xa5/0xe0
[ 237.626657][ T5453] get_tree_bdev+0x3f1/0x610
[ 237.631516][ T5453] ? gfs2_reconfigure+0xd30/0xd30
[ 237.637276][ T5453] gfs2_get_tree+0x4d/0x1e0
[ 237.642265][ T5453] vfs_get_tree+0x88/0x270
[ 237.647303][ T5453] do_new_mount+0x24a/0xa40
[ 237.652969][ T5453] __se_sys_mount+0x2e3/0x3d0
[ 237.657737][ T5453] ? __x64_sys_mount+0xc0/0xc0
[ 237.662696][ T5453] ? lockdep_hardirqs_on+0x94/0x140
[ 237.668816][ T5453] ? __x64_sys_mount+0x1c/0xc0
[ 237.673803][ T5453] do_syscall_64+0x4c/0xa0
[ 237.678481][ T5453] ? clear_bhb_loop+0x30/0x80
[ 237.683505][ T5453] ? clear_bhb_loop+0x30/0x80
[ 237.688451][ T5453] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.694755][ T5453] RIP: 0033:0x7fc4c195860a
[ 237.699767][ T5453] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 237.719984][ T5453] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.728842][ T5453] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 237.737520][ T5453] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 237.745673][ T5453] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 237.753828][ T5453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.762308][ T5453] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.771048][ T5453]
[ 237.775577][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.790533][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.106896][ T5455] loop1: detected capacity change from 0 to 32768
[ 238.166445][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.174121][ T5455] CPU: 0 PID: 5455 Comm: syz.1.180 Not tainted syzkaller #0
[ 238.181596][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 238.191839][ T5455] Call Trace:
[ 238.195133][ T5455]
[ 238.198072][ T5455] dump_stack_lvl+0x188/0x250
[ 238.202764][ T5455] ? show_regs_print_info+0x20/0x20
[ 238.208504][ T5455] ? load_image+0x400/0x400
[ 238.213121][ T5455] sysfs_create_dir_ns+0x26a/0x290
[ 238.218429][ T5455] ? sysfs_warn_dup+0xa0/0xa0
[ 238.223210][ T5455] ? do_raw_spin_unlock+0x11d/0x230
[ 238.228522][ T5455] kobject_add_internal+0x6e0/0xd90
[ 238.234536][ T5455] kobject_init_and_add+0x128/0x190
[ 238.239844][ T5455] ? lockdep_softirqs_off+0x430/0x430
[ 238.245321][ T5455] ? kobject_add+0x230/0x230
[ 238.250000][ T5455] ? __init_swait_queue_head+0xa5/0x150
[ 238.256388][ T5455] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.261422][ T5455] ? gfs2_recover_set+0x240/0x240
[ 238.267110][ T5455] ? snprintf+0xe5/0x140
[ 238.271449][ T5455] ? __free_pages+0x95/0x1a0
[ 238.276048][ T5455] ? vscnprintf+0x80/0x80
[ 238.280410][ T5455] gfs2_fill_super+0x120f/0x1f00
[ 238.285930][ T5455] ? gfs2_reconfigure+0xd30/0xd30
[ 238.291313][ T5455] ? sb_set_blocksize+0xa5/0xe0
[ 238.296432][ T5455] get_tree_bdev+0x3f1/0x610
[ 238.301289][ T5455] ? gfs2_reconfigure+0xd30/0xd30
[ 238.306483][ T5455] gfs2_get_tree+0x4d/0x1e0
[ 238.311085][ T5455] vfs_get_tree+0x88/0x270
[ 238.315604][ T5455] do_new_mount+0x24a/0xa40
[ 238.320500][ T5455] __se_sys_mount+0x2e3/0x3d0
[ 238.325352][ T5455] ? __x64_sys_mount+0xc0/0xc0
[ 238.330211][ T5455] ? lockdep_hardirqs_on+0x94/0x140
[ 238.335580][ T5455] ? __x64_sys_mount+0x1c/0xc0
[ 238.340532][ T5455] do_syscall_64+0x4c/0xa0
[ 238.344942][ T5455] ? clear_bhb_loop+0x30/0x80
[ 238.350116][ T5455] ? clear_bhb_loop+0x30/0x80
[ 238.355008][ T5455] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.361098][ T5455] RIP: 0033:0x7fc4c195860a
[ 238.365909][ T5455] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 238.386839][ T5455] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.396263][ T5455] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 238.404848][ T5455] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 238.413000][ T5455] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 238.421579][ T5455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.429845][ T5455] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.438169][ T5455]
[ 238.442931][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.457296][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.773934][ T5457] loop1: detected capacity change from 0 to 32768
[ 238.813882][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.821520][ T5457] CPU: 1 PID: 5457 Comm: syz.1.181 Not tainted syzkaller #0
[ 238.829284][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 238.840843][ T5457] Call Trace:
[ 238.844382][ T5457]
[ 238.847338][ T5457] dump_stack_lvl+0x188/0x250
[ 238.852207][ T5457] ? show_regs_print_info+0x20/0x20
[ 238.858053][ T5457] ? load_image+0x400/0x400
[ 238.863260][ T5457] sysfs_create_dir_ns+0x26a/0x290
[ 238.868569][ T5457] ? sysfs_warn_dup+0xa0/0xa0
[ 238.873437][ T5457] ? do_raw_spin_unlock+0x11d/0x230
[ 238.879360][ T5457] kobject_add_internal+0x6e0/0xd90
[ 238.885036][ T5457] kobject_init_and_add+0x128/0x190
[ 238.890610][ T5457] ? lockdep_softirqs_off+0x430/0x430
[ 238.896016][ T5457] ? kobject_add+0x230/0x230
[ 238.900714][ T5457] ? __init_swait_queue_head+0xa5/0x150
[ 238.906413][ T5457] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.911531][ T5457] ? gfs2_recover_set+0x240/0x240
[ 238.916865][ T5457] ? snprintf+0xe5/0x140
[ 238.921188][ T5457] ? __free_pages+0x95/0x1a0
[ 238.926151][ T5457] ? vscnprintf+0x80/0x80
[ 238.931767][ T5457] gfs2_fill_super+0x120f/0x1f00
[ 238.936988][ T5457] ? gfs2_reconfigure+0xd30/0xd30
[ 238.942283][ T5457] ? sb_set_blocksize+0xa5/0xe0
[ 238.947500][ T5457] get_tree_bdev+0x3f1/0x610
[ 238.952353][ T5457] ? gfs2_reconfigure+0xd30/0xd30
[ 238.957634][ T5457] gfs2_get_tree+0x4d/0x1e0
[ 238.962153][ T5457] vfs_get_tree+0x88/0x270
[ 238.966558][ T5457] do_new_mount+0x24a/0xa40
[ 238.971084][ T5457] __se_sys_mount+0x2e3/0x3d0
[ 238.975946][ T5457] ? __x64_sys_mount+0xc0/0xc0
[ 238.980891][ T5457] ? lockdep_hardirqs_on+0x94/0x140
[ 238.986372][ T5457] ? __x64_sys_mount+0x1c/0xc0
[ 238.991208][ T5457] do_syscall_64+0x4c/0xa0
[ 238.995781][ T5457] ? clear_bhb_loop+0x30/0x80
[ 239.000827][ T5457] ? clear_bhb_loop+0x30/0x80
[ 239.005756][ T5457] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.011742][ T5457] RIP: 0033:0x7fc4c195860a
[ 239.016262][ T5457] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 239.036780][ T5457] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.045353][ T5457] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 239.054281][ T5457] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 239.062683][ T5457] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 239.070861][ T5457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.079194][ T5457] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.087439][ T5457]
[ 239.091819][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.105344][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.439866][ T5459] loop1: detected capacity change from 0 to 32768
[ 239.496676][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.505114][ T5459] CPU: 1 PID: 5459 Comm: syz.1.182 Not tainted syzkaller #0
[ 239.512872][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 239.523289][ T5459] Call Trace:
[ 239.526983][ T5459]
[ 239.530205][ T5459] dump_stack_lvl+0x188/0x250
[ 239.535076][ T5459] ? show_regs_print_info+0x20/0x20
[ 239.541091][ T5459] ? load_image+0x400/0x400
[ 239.546140][ T5459] sysfs_create_dir_ns+0x26a/0x290
[ 239.552508][ T5459] ? sysfs_warn_dup+0xa0/0xa0
[ 239.557468][ T5459] ? do_raw_spin_unlock+0x11d/0x230
[ 239.562769][ T5459] kobject_add_internal+0x6e0/0xd90
[ 239.568110][ T5459] kobject_init_and_add+0x128/0x190
[ 239.573331][ T5459] ? lockdep_softirqs_off+0x430/0x430
[ 239.578941][ T5459] ? kobject_add+0x230/0x230
[ 239.583722][ T5459] ? __init_swait_queue_head+0xa5/0x150
[ 239.589369][ T5459] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.594461][ T5459] ? gfs2_recover_set+0x240/0x240
[ 239.599682][ T5459] ? snprintf+0xe5/0x140
[ 239.604131][ T5459] ? __free_pages+0x95/0x1a0
[ 239.608989][ T5459] ? vscnprintf+0x80/0x80
[ 239.613645][ T5459] gfs2_fill_super+0x120f/0x1f00
[ 239.618672][ T5459] ? gfs2_reconfigure+0xd30/0xd30
[ 239.623784][ T5459] ? sb_set_blocksize+0xa5/0xe0
[ 239.628630][ T5459] get_tree_bdev+0x3f1/0x610
[ 239.633363][ T5459] ? gfs2_reconfigure+0xd30/0xd30
[ 239.638515][ T5459] gfs2_get_tree+0x4d/0x1e0
[ 239.643189][ T5459] vfs_get_tree+0x88/0x270
[ 239.647762][ T5459] do_new_mount+0x24a/0xa40
[ 239.652439][ T5459] __se_sys_mount+0x2e3/0x3d0
[ 239.657486][ T5459] ? __x64_sys_mount+0xc0/0xc0
[ 239.662427][ T5459] ? lockdep_hardirqs_on+0x94/0x140
[ 239.667789][ T5459] ? __x64_sys_mount+0x1c/0xc0
[ 239.672821][ T5459] do_syscall_64+0x4c/0xa0
[ 239.677229][ T5459] ? clear_bhb_loop+0x30/0x80
[ 239.681931][ T5459] ? clear_bhb_loop+0x30/0x80
[ 239.686725][ T5459] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.692605][ T5459] RIP: 0033:0x7fc4c195860a
[ 239.697003][ T5459] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 239.717577][ T5459] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.726675][ T5459] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 239.735076][ T5459] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 239.743683][ T5459] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 239.752089][ T5459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.760140][ T5459] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.768522][ T5459]
[ 239.773356][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.788055][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.131313][ T5461] loop1: detected capacity change from 0 to 32768
[ 240.227113][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.236416][ T5461] CPU: 1 PID: 5461 Comm: syz.1.183 Not tainted syzkaller #0
[ 240.243919][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 240.254583][ T5461] Call Trace:
[ 240.258138][ T5461]
[ 240.261184][ T5461] dump_stack_lvl+0x188/0x250
[ 240.266232][ T5461] ? show_regs_print_info+0x20/0x20
[ 240.271821][ T5461] ? load_image+0x400/0x400
[ 240.276527][ T5461] sysfs_create_dir_ns+0x26a/0x290
[ 240.282067][ T5461] ? sysfs_warn_dup+0xa0/0xa0
[ 240.286937][ T5461] ? do_raw_spin_unlock+0x11d/0x230
[ 240.292509][ T5461] kobject_add_internal+0x6e0/0xd90
[ 240.297978][ T5461] kobject_init_and_add+0x128/0x190
[ 240.303250][ T5461] ? lockdep_softirqs_off+0x430/0x430
[ 240.309047][ T5461] ? kobject_add+0x230/0x230
[ 240.313987][ T5461] ? __init_swait_queue_head+0xa5/0x150
[ 240.319713][ T5461] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.324502][ T5461] ? gfs2_recover_set+0x240/0x240
[ 240.329574][ T5461] ? snprintf+0xe5/0x140
[ 240.333890][ T5461] ? __free_pages+0x95/0x1a0
[ 240.339176][ T5461] ? vscnprintf+0x80/0x80
[ 240.343678][ T5461] gfs2_fill_super+0x120f/0x1f00
[ 240.348986][ T5461] ? gfs2_reconfigure+0xd30/0xd30
[ 240.354429][ T5461] ? sb_set_blocksize+0xa5/0xe0
[ 240.359606][ T5461] get_tree_bdev+0x3f1/0x610
[ 240.364678][ T5461] ? gfs2_reconfigure+0xd30/0xd30
[ 240.371635][ T5461] gfs2_get_tree+0x4d/0x1e0
[ 240.376238][ T5461] vfs_get_tree+0x88/0x270
[ 240.381096][ T5461] do_new_mount+0x24a/0xa40
[ 240.385886][ T5461] __se_sys_mount+0x2e3/0x3d0
[ 240.391009][ T5461] ? __x64_sys_mount+0xc0/0xc0
[ 240.396155][ T5461] ? lockdep_hardirqs_on+0x94/0x140
[ 240.401813][ T5461] ? __x64_sys_mount+0x1c/0xc0
[ 240.406930][ T5461] do_syscall_64+0x4c/0xa0
[ 240.411660][ T5461] ? clear_bhb_loop+0x30/0x80
[ 240.416594][ T5461] ? clear_bhb_loop+0x30/0x80
[ 240.421818][ T5461] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.427707][ T5461] RIP: 0033:0x7fc4c195860a
[ 240.432388][ T5461] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 240.453336][ T5461] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.462402][ T5461] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 240.470809][ T5461] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 240.479035][ T5461] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 240.487505][ T5461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.495735][ T5461] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.504433][ T5461]
[ 240.510767][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.524428][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.816964][ T5463] loop1: detected capacity change from 0 to 32768
[ 240.864173][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.872074][ T5463] CPU: 0 PID: 5463 Comm: syz.1.184 Not tainted syzkaller #0
[ 240.879898][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 240.890401][ T5463] Call Trace:
[ 240.893872][ T5463]
[ 240.896906][ T5463] dump_stack_lvl+0x188/0x250
[ 240.902045][ T5463] ? show_regs_print_info+0x20/0x20
[ 240.907264][ T5463] ? load_image+0x400/0x400
[ 240.912293][ T5463] sysfs_create_dir_ns+0x26a/0x290
[ 240.917554][ T5463] ? sysfs_warn_dup+0xa0/0xa0
[ 240.922337][ T5463] ? do_raw_spin_unlock+0x11d/0x230
[ 240.927565][ T5463] kobject_add_internal+0x6e0/0xd90
[ 240.933059][ T5463] kobject_init_and_add+0x128/0x190
[ 240.938631][ T5463] ? lockdep_softirqs_off+0x430/0x430
[ 240.944197][ T5463] ? kobject_add+0x230/0x230
[ 240.949235][ T5463] ? __init_swait_queue_head+0xa5/0x150
[ 240.955398][ T5463] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.960249][ T5463] ? gfs2_recover_set+0x240/0x240
[ 240.965733][ T5463] ? snprintf+0xe5/0x140
[ 240.970150][ T5463] ? __free_pages+0x95/0x1a0
[ 240.974744][ T5463] ? vscnprintf+0x80/0x80
[ 240.979457][ T5463] gfs2_fill_super+0x120f/0x1f00
[ 240.984740][ T5463] ? gfs2_reconfigure+0xd30/0xd30
[ 240.989966][ T5463] ? sb_set_blocksize+0xa5/0xe0
[ 240.994807][ T5463] get_tree_bdev+0x3f1/0x610
[ 240.999704][ T5463] ? gfs2_reconfigure+0xd30/0xd30
[ 241.005597][ T5463] gfs2_get_tree+0x4d/0x1e0
[ 241.010513][ T5463] vfs_get_tree+0x88/0x270
[ 241.015012][ T5463] do_new_mount+0x24a/0xa40
[ 241.019850][ T5463] __se_sys_mount+0x2e3/0x3d0
[ 241.024769][ T5463] ? __x64_sys_mount+0xc0/0xc0
[ 241.029713][ T5463] ? lockdep_hardirqs_on+0x94/0x140
[ 241.035074][ T5463] ? __x64_sys_mount+0x1c/0xc0
[ 241.039998][ T5463] do_syscall_64+0x4c/0xa0
[ 241.044618][ T5463] ? clear_bhb_loop+0x30/0x80
[ 241.049365][ T5463] ? clear_bhb_loop+0x30/0x80
[ 241.054201][ T5463] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.060170][ T5463] RIP: 0033:0x7fc4c195860a
[ 241.064755][ T5463] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 241.084998][ T5463] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.093673][ T5463] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 241.101728][ T5463] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 241.110098][ T5463] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 241.118255][ T5463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.126748][ T5463] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.134903][ T5463]
[ 241.146628][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.160521][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.467798][ T5465] loop1: detected capacity change from 0 to 32768
[ 241.530293][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.538631][ T5465] CPU: 0 PID: 5465 Comm: syz.1.185 Not tainted syzkaller #0
[ 241.546933][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 241.557455][ T5465] Call Trace:
[ 241.560839][ T5465]
[ 241.563874][ T5465] dump_stack_lvl+0x188/0x250
[ 241.569116][ T5465] ? show_regs_print_info+0x20/0x20
[ 241.574334][ T5465] ? load_image+0x400/0x400
[ 241.578919][ T5465] sysfs_create_dir_ns+0x26a/0x290
[ 241.584144][ T5465] ? sysfs_warn_dup+0xa0/0xa0
[ 241.588849][ T5465] ? do_raw_spin_unlock+0x11d/0x230
[ 241.594180][ T5465] kobject_add_internal+0x6e0/0xd90
[ 241.599407][ T5465] kobject_init_and_add+0x128/0x190
[ 241.604888][ T5465] ? lockdep_softirqs_off+0x430/0x430
[ 241.610278][ T5465] ? kobject_add+0x230/0x230
[ 241.615005][ T5465] ? __init_swait_queue_head+0xa5/0x150
[ 241.620743][ T5465] gfs2_sys_fs_add+0x24f/0x4b0
[ 241.626203][ T5465] ? gfs2_recover_set+0x240/0x240
[ 241.631505][ T5465] ? snprintf+0xe5/0x140
[ 241.636234][ T5465] ? __free_pages+0x95/0x1a0
[ 241.640828][ T5465] ? vscnprintf+0x80/0x80
[ 241.645246][ T5465] gfs2_fill_super+0x120f/0x1f00
[ 241.650545][ T5465] ? gfs2_reconfigure+0xd30/0xd30
[ 241.655580][ T5465] ? sb_set_blocksize+0xa5/0xe0
[ 241.660504][ T5465] get_tree_bdev+0x3f1/0x610
[ 241.665455][ T5465] ? gfs2_reconfigure+0xd30/0xd30
[ 241.670890][ T5465] gfs2_get_tree+0x4d/0x1e0
[ 241.675946][ T5465] vfs_get_tree+0x88/0x270
[ 241.680616][ T5465] do_new_mount+0x24a/0xa40
[ 241.685384][ T5465] __se_sys_mount+0x2e3/0x3d0
[ 241.690153][ T5465] ? __x64_sys_mount+0xc0/0xc0
[ 241.695091][ T5465] ? lockdep_hardirqs_on+0x94/0x140
[ 241.700466][ T5465] ? __x64_sys_mount+0x1c/0xc0
[ 241.705336][ T5465] do_syscall_64+0x4c/0xa0
[ 241.709929][ T5465] ? clear_bhb_loop+0x30/0x80
[ 241.714865][ T5465] ? clear_bhb_loop+0x30/0x80
[ 241.719625][ T5465] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.725539][ T5465] RIP: 0033:0x7fc4c195860a
[ 241.730036][ T5465] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 241.750409][ T5465] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.759082][ T5465] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 241.767266][ T5465] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 241.775316][ T5465] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 241.783549][ T5465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.791606][ T5465] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.799763][ T5465]
[ 241.804436][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.817901][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 08:41:31 executed programs: 171
[ 242.150894][ T5467] loop1: detected capacity change from 0 to 32768
[ 242.215464][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.222971][ T5467] CPU: 1 PID: 5467 Comm: syz.1.186 Not tainted syzkaller #0
[ 242.230619][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 242.241072][ T5467] Call Trace:
[ 242.244577][ T5467]
[ 242.247614][ T5467] dump_stack_lvl+0x188/0x250
[ 242.252587][ T5467] ? show_regs_print_info+0x20/0x20
[ 242.257982][ T5467] ? load_image+0x400/0x400
[ 242.262523][ T5467] sysfs_create_dir_ns+0x26a/0x290
[ 242.267866][ T5467] ? sysfs_warn_dup+0xa0/0xa0
[ 242.272830][ T5467] ? do_raw_spin_unlock+0x11d/0x230
[ 242.278512][ T5467] kobject_add_internal+0x6e0/0xd90
[ 242.283826][ T5467] kobject_init_and_add+0x128/0x190
[ 242.289209][ T5467] ? lockdep_softirqs_off+0x430/0x430
[ 242.294791][ T5467] ? kobject_add+0x230/0x230
[ 242.299494][ T5467] ? __init_swait_queue_head+0xa5/0x150
[ 242.305231][ T5467] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.309994][ T5467] ? gfs2_recover_set+0x240/0x240
[ 242.315204][ T5467] ? snprintf+0xe5/0x140
[ 242.319634][ T5467] ? __free_pages+0x95/0x1a0
[ 242.324761][ T5467] ? vscnprintf+0x80/0x80
[ 242.329108][ T5467] gfs2_fill_super+0x120f/0x1f00
[ 242.334603][ T5467] ? gfs2_reconfigure+0xd30/0xd30
[ 242.340494][ T5467] ? sb_set_blocksize+0xa5/0xe0
[ 242.345956][ T5467] get_tree_bdev+0x3f1/0x610
[ 242.351031][ T5467] ? gfs2_reconfigure+0xd30/0xd30
[ 242.356497][ T5467] gfs2_get_tree+0x4d/0x1e0
[ 242.361221][ T5467] vfs_get_tree+0x88/0x270
[ 242.365912][ T5467] do_new_mount+0x24a/0xa40
[ 242.370951][ T5467] __se_sys_mount+0x2e3/0x3d0
[ 242.375978][ T5467] ? __x64_sys_mount+0xc0/0xc0
[ 242.380762][ T5467] ? lockdep_hardirqs_on+0x94/0x140
[ 242.386147][ T5467] ? __x64_sys_mount+0x1c/0xc0
[ 242.391082][ T5467] do_syscall_64+0x4c/0xa0
[ 242.395698][ T5467] ? clear_bhb_loop+0x30/0x80
[ 242.400854][ T5467] ? clear_bhb_loop+0x30/0x80
[ 242.406179][ T5467] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.412671][ T5467] RIP: 0033:0x7fc4c195860a
[ 242.417523][ T5467] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 242.438464][ T5467] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.448733][ T5467] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 242.457548][ T5467] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 242.466057][ T5467] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 242.474516][ T5467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.482741][ T5467] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.491191][ T5467]
[ 242.495709][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.509322][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.811479][ T5469] loop1: detected capacity change from 0 to 32768
[ 242.857826][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.866503][ T5469] CPU: 0 PID: 5469 Comm: syz.1.187 Not tainted syzkaller #0
[ 242.874867][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 242.885552][ T5469] Call Trace:
[ 242.889036][ T5469]
[ 242.892184][ T5469] dump_stack_lvl+0x188/0x250
[ 242.897330][ T5469] ? show_regs_print_info+0x20/0x20
[ 242.903042][ T5469] ? load_image+0x400/0x400
[ 242.907763][ T5469] sysfs_create_dir_ns+0x26a/0x290
[ 242.913248][ T5469] ? sysfs_warn_dup+0xa0/0xa0
[ 242.918367][ T5469] ? do_raw_spin_unlock+0x11d/0x230
[ 242.923671][ T5469] kobject_add_internal+0x6e0/0xd90
[ 242.929851][ T5469] kobject_init_and_add+0x128/0x190
[ 242.935777][ T5469] ? lockdep_softirqs_off+0x430/0x430
[ 242.942297][ T5469] ? kobject_add+0x230/0x230
[ 242.947766][ T5469] ? __init_swait_queue_head+0xa5/0x150
[ 242.953573][ T5469] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.959020][ T5469] ? gfs2_recover_set+0x240/0x240
[ 242.964395][ T5469] ? snprintf+0xe5/0x140
[ 242.968900][ T5469] ? __free_pages+0x95/0x1a0
[ 242.973724][ T5469] ? vscnprintf+0x80/0x80
[ 242.978071][ T5469] gfs2_fill_super+0x120f/0x1f00
[ 242.983016][ T5469] ? gfs2_reconfigure+0xd30/0xd30
[ 242.988317][ T5469] ? sb_set_blocksize+0xa5/0xe0
[ 242.993168][ T5469] get_tree_bdev+0x3f1/0x610
[ 242.997851][ T5469] ? gfs2_reconfigure+0xd30/0xd30
[ 243.002873][ T5469] gfs2_get_tree+0x4d/0x1e0
[ 243.007368][ T5469] vfs_get_tree+0x88/0x270
[ 243.012329][ T5469] do_new_mount+0x24a/0xa40
[ 243.017016][ T5469] __se_sys_mount+0x2e3/0x3d0
[ 243.022127][ T5469] ? __x64_sys_mount+0xc0/0xc0
[ 243.027056][ T5469] ? lockdep_hardirqs_on+0x94/0x140
[ 243.032418][ T5469] ? __x64_sys_mount+0x1c/0xc0
[ 243.037342][ T5469] do_syscall_64+0x4c/0xa0
[ 243.042006][ T5469] ? clear_bhb_loop+0x30/0x80
[ 243.047453][ T5469] ? clear_bhb_loop+0x30/0x80
[ 243.052122][ T5469] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.058294][ T5469] RIP: 0033:0x7fc4c195860a
[ 243.062789][ T5469] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 243.082552][ T5469] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.091417][ T5469] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 243.099583][ T5469] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 243.107906][ T5469] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 243.116293][ T5469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.125199][ T5469] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.133666][ T5469]
[ 243.138117][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.153036][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.480704][ T5471] loop1: detected capacity change from 0 to 32768
[ 243.535084][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.542944][ T5471] CPU: 0 PID: 5471 Comm: syz.1.188 Not tainted syzkaller #0
[ 243.551146][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 243.561848][ T5471] Call Trace:
[ 243.565239][ T5471]
[ 243.568269][ T5471] dump_stack_lvl+0x188/0x250
[ 243.573153][ T5471] ? show_regs_print_info+0x20/0x20
[ 243.578636][ T5471] ? load_image+0x400/0x400
[ 243.583548][ T5471] sysfs_create_dir_ns+0x26a/0x290
[ 243.588911][ T5471] ? sysfs_warn_dup+0xa0/0xa0
[ 243.593698][ T5471] ? do_raw_spin_unlock+0x11d/0x230
[ 243.599180][ T5471] kobject_add_internal+0x6e0/0xd90
[ 243.604742][ T5471] kobject_init_and_add+0x128/0x190
[ 243.610315][ T5471] ? lockdep_softirqs_off+0x430/0x430
[ 243.615803][ T5471] ? kobject_add+0x230/0x230
[ 243.620621][ T5471] ? __init_swait_queue_head+0xa5/0x150
[ 243.626644][ T5471] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.631592][ T5471] ? gfs2_recover_set+0x240/0x240
[ 243.636623][ T5471] ? snprintf+0xe5/0x140
[ 243.641132][ T5471] ? __free_pages+0x95/0x1a0
[ 243.645898][ T5471] ? vscnprintf+0x80/0x80
[ 243.650555][ T5471] gfs2_fill_super+0x120f/0x1f00
[ 243.655667][ T5471] ? gfs2_reconfigure+0xd30/0xd30
[ 243.660888][ T5471] ? sb_set_blocksize+0xa5/0xe0
[ 243.665826][ T5471] get_tree_bdev+0x3f1/0x610
[ 243.670625][ T5471] ? gfs2_reconfigure+0xd30/0xd30
[ 243.675875][ T5471] gfs2_get_tree+0x4d/0x1e0
[ 243.680666][ T5471] vfs_get_tree+0x88/0x270
[ 243.685272][ T5471] do_new_mount+0x24a/0xa40
[ 243.689780][ T5471] __se_sys_mount+0x2e3/0x3d0
[ 243.694535][ T5471] ? __x64_sys_mount+0xc0/0xc0
[ 243.699391][ T5471] ? lockdep_hardirqs_on+0x94/0x140
[ 243.704787][ T5471] ? __x64_sys_mount+0x1c/0xc0
[ 243.709916][ T5471] do_syscall_64+0x4c/0xa0
[ 243.714599][ T5471] ? clear_bhb_loop+0x30/0x80
[ 243.719464][ T5471] ? clear_bhb_loop+0x30/0x80
[ 243.724213][ T5471] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.730363][ T5471] RIP: 0033:0x7fc4c195860a
[ 243.734956][ T5471] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 243.756358][ T5471] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.765472][ T5471] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 243.773750][ T5471] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 243.782294][ T5471] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 243.790350][ T5471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.798577][ T5471] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.806669][ T5471]
[ 243.811470][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.826033][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.147846][ T5473] loop1: detected capacity change from 0 to 32768
[ 244.190594][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.202406][ T5473] CPU: 0 PID: 5473 Comm: syz.1.189 Not tainted syzkaller #0
[ 244.210191][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 244.220889][ T5473] Call Trace:
[ 244.224538][ T5473]
[ 244.227914][ T5473] dump_stack_lvl+0x188/0x250
[ 244.232892][ T5473] ? show_regs_print_info+0x20/0x20
[ 244.238914][ T5473] ? load_image+0x400/0x400
[ 244.243456][ T5473] sysfs_create_dir_ns+0x26a/0x290
[ 244.248686][ T5473] ? sysfs_warn_dup+0xa0/0xa0
[ 244.253558][ T5473] ? do_raw_spin_unlock+0x11d/0x230
[ 244.258975][ T5473] kobject_add_internal+0x6e0/0xd90
[ 244.264638][ T5473] kobject_init_and_add+0x128/0x190
[ 244.270030][ T5473] ? lockdep_softirqs_off+0x430/0x430
[ 244.275620][ T5473] ? kobject_add+0x230/0x230
[ 244.280409][ T5473] ? __init_swait_queue_head+0xa5/0x150
[ 244.286247][ T5473] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.291214][ T5473] ? gfs2_recover_set+0x240/0x240
[ 244.296409][ T5473] ? snprintf+0xe5/0x140
[ 244.301386][ T5473] ? __free_pages+0x95/0x1a0
[ 244.306262][ T5473] ? vscnprintf+0x80/0x80
[ 244.310892][ T5473] gfs2_fill_super+0x120f/0x1f00
[ 244.316311][ T5473] ? gfs2_reconfigure+0xd30/0xd30
[ 244.321382][ T5473] ? sb_set_blocksize+0xa5/0xe0
[ 244.326343][ T5473] get_tree_bdev+0x3f1/0x610
[ 244.331239][ T5473] ? gfs2_reconfigure+0xd30/0xd30
[ 244.336265][ T5473] gfs2_get_tree+0x4d/0x1e0
[ 244.340974][ T5473] vfs_get_tree+0x88/0x270
[ 244.345562][ T5473] do_new_mount+0x24a/0xa40
[ 244.350473][ T5473] __se_sys_mount+0x2e3/0x3d0
[ 244.356036][ T5473] ? __x64_sys_mount+0xc0/0xc0
[ 244.360957][ T5473] ? lockdep_hardirqs_on+0x94/0x140
[ 244.366449][ T5473] ? __x64_sys_mount+0x1c/0xc0
[ 244.371638][ T5473] do_syscall_64+0x4c/0xa0
[ 244.376418][ T5473] ? clear_bhb_loop+0x30/0x80
[ 244.381129][ T5473] ? clear_bhb_loop+0x30/0x80
[ 244.386122][ T5473] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.392364][ T5473] RIP: 0033:0x7fc4c195860a
[ 244.396864][ T5473] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 244.417182][ T5473] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.426383][ T5473] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 244.434648][ T5473] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 244.443868][ T5473] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 244.452444][ T5473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.460864][ T5473] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.468949][ T5473]
[ 244.478707][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.493217][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.810403][ T5475] loop1: detected capacity change from 0 to 32768
[ 244.856328][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.863936][ T5475] CPU: 1 PID: 5475 Comm: syz.1.190 Not tainted syzkaller #0
[ 244.871845][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 244.882522][ T5475] Call Trace:
[ 244.885904][ T5475]
[ 244.889138][ T5475] dump_stack_lvl+0x188/0x250
[ 244.894430][ T5475] ? show_regs_print_info+0x20/0x20
[ 244.900121][ T5475] ? load_image+0x400/0x400
[ 244.904830][ T5475] sysfs_create_dir_ns+0x26a/0x290
[ 244.910069][ T5475] ? sysfs_warn_dup+0xa0/0xa0
[ 244.914952][ T5475] ? do_raw_spin_unlock+0x11d/0x230
[ 244.920264][ T5475] kobject_add_internal+0x6e0/0xd90
[ 244.925843][ T5475] kobject_init_and_add+0x128/0x190
[ 244.932127][ T5475] ? lockdep_softirqs_off+0x430/0x430
[ 244.937860][ T5475] ? kobject_add+0x230/0x230
[ 244.942794][ T5475] ? __init_swait_queue_head+0xa5/0x150
[ 244.948389][ T5475] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.953407][ T5475] ? gfs2_recover_set+0x240/0x240
[ 244.958748][ T5475] ? snprintf+0xe5/0x140
[ 244.962992][ T5475] ? __free_pages+0x95/0x1a0
[ 244.967659][ T5475] ? vscnprintf+0x80/0x80
[ 244.972850][ T5475] gfs2_fill_super+0x120f/0x1f00
[ 244.977870][ T5475] ? gfs2_reconfigure+0xd30/0xd30
[ 244.982988][ T5475] ? sb_set_blocksize+0xa5/0xe0
[ 244.988349][ T5475] get_tree_bdev+0x3f1/0x610
[ 244.993298][ T5475] ? gfs2_reconfigure+0xd30/0xd30
[ 244.998944][ T5475] gfs2_get_tree+0x4d/0x1e0
[ 245.003812][ T5475] vfs_get_tree+0x88/0x270
[ 245.008574][ T5475] do_new_mount+0x24a/0xa40
[ 245.013186][ T5475] __se_sys_mount+0x2e3/0x3d0
[ 245.017856][ T5475] ? __x64_sys_mount+0xc0/0xc0
[ 245.022613][ T5475] ? lockdep_hardirqs_on+0x94/0x140
[ 245.028094][ T5475] ? __x64_sys_mount+0x1c/0xc0
[ 245.033069][ T5475] do_syscall_64+0x4c/0xa0
[ 245.037693][ T5475] ? clear_bhb_loop+0x30/0x80
[ 245.042601][ T5475] ? clear_bhb_loop+0x30/0x80
[ 245.047582][ T5475] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.053684][ T5475] RIP: 0033:0x7fc4c195860a
[ 245.058274][ T5475] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 245.079354][ T5475] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.088471][ T5475] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 245.096871][ T5475] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 245.105096][ T5475] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 245.113507][ T5475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.121656][ T5475] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.130153][ T5475]
[ 245.134775][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.148946][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.492350][ T5477] loop1: detected capacity change from 0 to 32768
[ 245.558692][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.576878][ T5477] CPU: 1 PID: 5477 Comm: syz.1.191 Not tainted syzkaller #0
[ 245.584478][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 245.595272][ T5477] Call Trace:
[ 245.598759][ T5477]
[ 245.601869][ T5477] dump_stack_lvl+0x188/0x250
[ 245.606650][ T5477] ? show_regs_print_info+0x20/0x20
[ 245.612050][ T5477] ? load_image+0x400/0x400
[ 245.616665][ T5477] sysfs_create_dir_ns+0x26a/0x290
[ 245.621893][ T5477] ? sysfs_warn_dup+0xa0/0xa0
[ 245.626585][ T5477] ? do_raw_spin_unlock+0x11d/0x230
[ 245.631984][ T5477] kobject_add_internal+0x6e0/0xd90
[ 245.637527][ T5477] kobject_init_and_add+0x128/0x190
[ 245.643126][ T5477] ? lockdep_softirqs_off+0x430/0x430
[ 245.648858][ T5477] ? kobject_add+0x230/0x230
[ 245.653556][ T5477] ? __init_swait_queue_head+0xa5/0x150
[ 245.659323][ T5477] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.664643][ T5477] ? gfs2_recover_set+0x240/0x240
[ 245.669840][ T5477] ? snprintf+0xe5/0x140
[ 245.674684][ T5477] ? __free_pages+0x95/0x1a0
[ 245.679284][ T5477] ? vscnprintf+0x80/0x80
[ 245.684143][ T5477] gfs2_fill_super+0x120f/0x1f00
[ 245.689173][ T5477] ? gfs2_reconfigure+0xd30/0xd30
[ 245.694501][ T5477] ? sb_set_blocksize+0xa5/0xe0
[ 245.699792][ T5477] get_tree_bdev+0x3f1/0x610
[ 245.704391][ T5477] ? gfs2_reconfigure+0xd30/0xd30
[ 245.709627][ T5477] gfs2_get_tree+0x4d/0x1e0
[ 245.714219][ T5477] vfs_get_tree+0x88/0x270
[ 245.719023][ T5477] do_new_mount+0x24a/0xa40
[ 245.723772][ T5477] __se_sys_mount+0x2e3/0x3d0
[ 245.728457][ T5477] ? __x64_sys_mount+0xc0/0xc0
[ 245.733303][ T5477] ? lockdep_hardirqs_on+0x94/0x140
[ 245.738959][ T5477] ? __x64_sys_mount+0x1c/0xc0
[ 245.743928][ T5477] do_syscall_64+0x4c/0xa0
[ 245.748606][ T5477] ? clear_bhb_loop+0x30/0x80
[ 245.753543][ T5477] ? clear_bhb_loop+0x30/0x80
[ 245.758416][ T5477] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.764752][ T5477] RIP: 0033:0x7fc4c195860a
[ 245.769175][ T5477] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 245.789495][ T5477] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.798428][ T5477] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 245.806625][ T5477] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 245.815251][ T5477] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 245.823574][ T5477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.832373][ T5477] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.841256][ T5477]
[ 245.846089][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.860632][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.198667][ T5479] loop1: detected capacity change from 0 to 32768
[ 246.287586][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.295247][ T5479] CPU: 1 PID: 5479 Comm: syz.1.192 Not tainted syzkaller #0
[ 246.302843][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 246.313100][ T5479] Call Trace:
[ 246.316615][ T5479]
[ 246.319741][ T5479] dump_stack_lvl+0x188/0x250
[ 246.324626][ T5479] ? show_regs_print_info+0x20/0x20
[ 246.329853][ T5479] ? load_image+0x400/0x400
[ 246.334751][ T5479] sysfs_create_dir_ns+0x26a/0x290
[ 246.340189][ T5479] ? sysfs_warn_dup+0xa0/0xa0
[ 246.345244][ T5479] ? do_raw_spin_unlock+0x11d/0x230
[ 246.350835][ T5479] kobject_add_internal+0x6e0/0xd90
[ 246.356690][ T5479] kobject_init_and_add+0x128/0x190
[ 246.362092][ T5479] ? lockdep_softirqs_off+0x430/0x430
[ 246.368162][ T5479] ? kobject_add+0x230/0x230
[ 246.372861][ T5479] ? __init_swait_queue_head+0xa5/0x150
[ 246.378715][ T5479] gfs2_sys_fs_add+0x24f/0x4b0
[ 246.384004][ T5479] ? gfs2_recover_set+0x240/0x240
[ 246.389379][ T5479] ? snprintf+0xe5/0x140
[ 246.394045][ T5479] ? __free_pages+0x95/0x1a0
[ 246.399072][ T5479] ? vscnprintf+0x80/0x80
[ 246.403710][ T5479] gfs2_fill_super+0x120f/0x1f00
[ 246.409069][ T5479] ? gfs2_reconfigure+0xd30/0xd30
[ 246.414296][ T5479] ? sb_set_blocksize+0xa5/0xe0
[ 246.420102][ T5479] get_tree_bdev+0x3f1/0x610
[ 246.425424][ T5479] ? gfs2_reconfigure+0xd30/0xd30
[ 246.431252][ T5479] gfs2_get_tree+0x4d/0x1e0
[ 246.436462][ T5479] vfs_get_tree+0x88/0x270
[ 246.441136][ T5479] do_new_mount+0x24a/0xa40
[ 246.445823][ T5479] __se_sys_mount+0x2e3/0x3d0
[ 246.450717][ T5479] ? __x64_sys_mount+0xc0/0xc0
[ 246.455490][ T5479] ? lockdep_hardirqs_on+0x94/0x140
[ 246.461445][ T5479] ? __x64_sys_mount+0x1c/0xc0
[ 246.466597][ T5479] do_syscall_64+0x4c/0xa0
[ 246.471228][ T5479] ? clear_bhb_loop+0x30/0x80
[ 246.476160][ T5479] ? clear_bhb_loop+0x30/0x80
[ 246.481314][ T5479] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.487298][ T5479] RIP: 0033:0x7fc4c195860a
[ 246.491800][ T5479] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 246.512656][ T5479] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.521265][ T5479] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 246.529873][ T5479] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 246.538709][ T5479] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 246.546977][ T5479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.555742][ T5479] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.563845][ T5479]
[ 246.568632][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.582338][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.886217][ T5481] loop1: detected capacity change from 0 to 32768
[ 246.934138][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.942152][ T5481] CPU: 1 PID: 5481 Comm: syz.1.193 Not tainted syzkaller #0
[ 246.949716][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 246.960227][ T5481] Call Trace:
[ 246.963609][ T5481]
[ 246.966634][ T5481] dump_stack_lvl+0x188/0x250
[ 246.971626][ T5481] ? show_regs_print_info+0x20/0x20
[ 246.977214][ T5481] ? load_image+0x400/0x400
[ 246.981842][ T5481] sysfs_create_dir_ns+0x26a/0x290
[ 246.987427][ T5481] ? sysfs_warn_dup+0xa0/0xa0
[ 246.992373][ T5481] ? do_raw_spin_unlock+0x11d/0x230
[ 246.997776][ T5481] kobject_add_internal+0x6e0/0xd90
[ 247.003178][ T5481] kobject_init_and_add+0x128/0x190
[ 247.008493][ T5481] ? lockdep_softirqs_off+0x430/0x430
[ 247.014341][ T5481] ? kobject_add+0x230/0x230
[ 247.019081][ T5481] ? __init_swait_queue_head+0xa5/0x150
[ 247.024883][ T5481] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.029837][ T5481] ? gfs2_recover_set+0x240/0x240
[ 247.034852][ T5481] ? snprintf+0xe5/0x140
[ 247.039290][ T5481] ? __free_pages+0x95/0x1a0
[ 247.043966][ T5481] ? vscnprintf+0x80/0x80
[ 247.048380][ T5481] gfs2_fill_super+0x120f/0x1f00
[ 247.053411][ T5481] ? gfs2_reconfigure+0xd30/0xd30
[ 247.058440][ T5481] ? sb_set_blocksize+0xa5/0xe0
[ 247.063578][ T5481] get_tree_bdev+0x3f1/0x610
[ 247.068436][ T5481] ? gfs2_reconfigure+0xd30/0xd30
[ 247.073896][ T5481] gfs2_get_tree+0x4d/0x1e0
[ 247.078418][ T5481] vfs_get_tree+0x88/0x270
[ 247.083382][ T5481] do_new_mount+0x24a/0xa40
[ 247.087907][ T5481] __se_sys_mount+0x2e3/0x3d0
[ 247.092759][ T5481] ? __x64_sys_mount+0xc0/0xc0
[ 247.097893][ T5481] ? lockdep_hardirqs_on+0x94/0x140
[ 247.103104][ T5481] ? __x64_sys_mount+0x1c/0xc0
[ 247.108278][ T5481] do_syscall_64+0x4c/0xa0
[ 247.112873][ T5481] ? clear_bhb_loop+0x30/0x80
[ 247.117736][ T5481] ? clear_bhb_loop+0x30/0x80
[ 247.122740][ T5481] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.129522][ T5481] RIP: 0033:0x7fc4c195860a
[ 247.134097][ T5481] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 247.155366][ T5481] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.164609][ T5481] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 247.173190][ T5481] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 247.181371][ T5481] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 247.189702][ T5481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.198212][ T5481] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.206362][ T5481]
[ 247.210614][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.224130][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 08:41:36 executed programs: 179
[ 247.550932][ T5483] loop1: detected capacity change from 0 to 32768
[ 247.590386][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.598187][ T5483] CPU: 0 PID: 5483 Comm: syz.1.194 Not tainted syzkaller #0
[ 247.605662][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 247.615782][ T5483] Call Trace:
[ 247.619166][ T5483]
[ 247.622108][ T5483] dump_stack_lvl+0x188/0x250
[ 247.626844][ T5483] ? show_regs_print_info+0x20/0x20
[ 247.632148][ T5483] ? load_image+0x400/0x400
[ 247.636925][ T5483] sysfs_create_dir_ns+0x26a/0x290
[ 247.642276][ T5483] ? sysfs_warn_dup+0xa0/0xa0
[ 247.646990][ T5483] ? do_raw_spin_unlock+0x11d/0x230
[ 247.652486][ T5483] kobject_add_internal+0x6e0/0xd90
[ 247.658067][ T5483] kobject_init_and_add+0x128/0x190
[ 247.664266][ T5483] ? lockdep_softirqs_off+0x430/0x430
[ 247.669747][ T5483] ? kobject_add+0x230/0x230
[ 247.674504][ T5483] ? __init_swait_queue_head+0xa5/0x150
[ 247.680103][ T5483] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.685130][ T5483] ? gfs2_recover_set+0x240/0x240
[ 247.690416][ T5483] ? snprintf+0xe5/0x140
[ 247.694865][ T5483] ? __free_pages+0x95/0x1a0
[ 247.699437][ T5483] ? vscnprintf+0x80/0x80
[ 247.703836][ T5483] gfs2_fill_super+0x120f/0x1f00
[ 247.708959][ T5483] ? gfs2_reconfigure+0xd30/0xd30
[ 247.714329][ T5483] ? sb_set_blocksize+0xa5/0xe0
[ 247.719191][ T5483] get_tree_bdev+0x3f1/0x610
[ 247.724331][ T5483] ? gfs2_reconfigure+0xd30/0xd30
[ 247.729630][ T5483] gfs2_get_tree+0x4d/0x1e0
[ 247.734801][ T5483] vfs_get_tree+0x88/0x270
[ 247.739368][ T5483] do_new_mount+0x24a/0xa40
[ 247.743954][ T5483] __se_sys_mount+0x2e3/0x3d0
[ 247.748723][ T5483] ? __x64_sys_mount+0xc0/0xc0
[ 247.753585][ T5483] ? lockdep_hardirqs_on+0x94/0x140
[ 247.758947][ T5483] ? __x64_sys_mount+0x1c/0xc0
[ 247.763925][ T5483] do_syscall_64+0x4c/0xa0
[ 247.768350][ T5483] ? clear_bhb_loop+0x30/0x80
[ 247.773189][ T5483] ? clear_bhb_loop+0x30/0x80
[ 247.778028][ T5483] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.784199][ T5483] RIP: 0033:0x7fc4c195860a
[ 247.788919][ T5483] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 247.808776][ T5483] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.817991][ T5483] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 247.826450][ T5483] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 247.834502][ T5483] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 247.843255][ T5483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.851739][ T5483] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.860206][ T5483]
[ 247.872151][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.886355][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.193168][ T5485] loop1: detected capacity change from 0 to 32768
[ 248.243911][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.251814][ T5485] CPU: 1 PID: 5485 Comm: syz.1.195 Not tainted syzkaller #0
[ 248.259457][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 248.269613][ T5485] Call Trace:
[ 248.273000][ T5485]
[ 248.276123][ T5485] dump_stack_lvl+0x188/0x250
[ 248.281085][ T5485] ? show_regs_print_info+0x20/0x20
[ 248.286394][ T5485] ? load_image+0x400/0x400
[ 248.291021][ T5485] sysfs_create_dir_ns+0x26a/0x290
[ 248.296355][ T5485] ? sysfs_warn_dup+0xa0/0xa0
[ 248.301232][ T5485] ? do_raw_spin_unlock+0x11d/0x230
[ 248.306798][ T5485] kobject_add_internal+0x6e0/0xd90
[ 248.312026][ T5485] kobject_init_and_add+0x128/0x190
[ 248.317327][ T5485] ? lockdep_softirqs_off+0x430/0x430
[ 248.322984][ T5485] ? kobject_add+0x230/0x230
[ 248.327954][ T5485] ? __init_swait_queue_head+0xa5/0x150
[ 248.333597][ T5485] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.338471][ T5485] ? gfs2_recover_set+0x240/0x240
[ 248.343760][ T5485] ? snprintf+0xe5/0x140
[ 248.348278][ T5485] ? __free_pages+0x95/0x1a0
[ 248.353535][ T5485] ? vscnprintf+0x80/0x80
[ 248.358131][ T5485] gfs2_fill_super+0x120f/0x1f00
[ 248.363438][ T5485] ? gfs2_reconfigure+0xd30/0xd30
[ 248.368769][ T5485] ? sb_set_blocksize+0xa5/0xe0
[ 248.373829][ T5485] get_tree_bdev+0x3f1/0x610
[ 248.378725][ T5485] ? gfs2_reconfigure+0xd30/0xd30
[ 248.384424][ T5485] gfs2_get_tree+0x4d/0x1e0
[ 248.389137][ T5485] vfs_get_tree+0x88/0x270
[ 248.393650][ T5485] do_new_mount+0x24a/0xa40
[ 248.398423][ T5485] __se_sys_mount+0x2e3/0x3d0
[ 248.403554][ T5485] ? __x64_sys_mount+0xc0/0xc0
[ 248.408634][ T5485] ? lockdep_hardirqs_on+0x94/0x140
[ 248.414410][ T5485] ? __x64_sys_mount+0x1c/0xc0
[ 248.419510][ T5485] do_syscall_64+0x4c/0xa0
[ 248.424104][ T5485] ? clear_bhb_loop+0x30/0x80
[ 248.429351][ T5485] ? clear_bhb_loop+0x30/0x80
[ 248.434405][ T5485] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.441220][ T5485] RIP: 0033:0x7fc4c195860a
[ 248.445746][ T5485] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 248.466581][ T5485] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.475483][ T5485] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 248.483482][ T5485] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 248.491937][ T5485] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 248.500082][ T5485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.508224][ T5485] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.516488][ T5485]
[ 248.521183][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.534637][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.854468][ T5487] loop1: detected capacity change from 0 to 32768
[ 248.893962][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.901671][ T5487] CPU: 1 PID: 5487 Comm: syz.1.196 Not tainted syzkaller #0
[ 248.909062][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 248.919528][ T5487] Call Trace:
[ 248.922831][ T5487]
[ 248.925901][ T5487] dump_stack_lvl+0x188/0x250
[ 248.930772][ T5487] ? show_regs_print_info+0x20/0x20
[ 248.936629][ T5487] ? load_image+0x400/0x400
[ 248.941339][ T5487] sysfs_create_dir_ns+0x26a/0x290
[ 248.946479][ T5487] ? sysfs_warn_dup+0xa0/0xa0
[ 248.951402][ T5487] ? do_raw_spin_unlock+0x11d/0x230
[ 248.956810][ T5487] kobject_add_internal+0x6e0/0xd90
[ 248.962298][ T5487] kobject_init_and_add+0x128/0x190
[ 248.967769][ T5487] ? lockdep_softirqs_off+0x430/0x430
[ 248.973240][ T5487] ? kobject_add+0x230/0x230
[ 248.978163][ T5487] ? __init_swait_queue_head+0xa5/0x150
[ 248.983959][ T5487] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.988740][ T5487] ? gfs2_recover_set+0x240/0x240
[ 248.994073][ T5487] ? snprintf+0xe5/0x140
[ 248.998398][ T5487] ? __free_pages+0x95/0x1a0
[ 249.003064][ T5487] ? vscnprintf+0x80/0x80
[ 249.007561][ T5487] gfs2_fill_super+0x120f/0x1f00
[ 249.012767][ T5487] ? gfs2_reconfigure+0xd30/0xd30
[ 249.018040][ T5487] ? sb_set_blocksize+0xa5/0xe0
[ 249.023163][ T5487] get_tree_bdev+0x3f1/0x610
[ 249.028023][ T5487] ? gfs2_reconfigure+0xd30/0xd30
[ 249.033692][ T5487] gfs2_get_tree+0x4d/0x1e0
[ 249.038496][ T5487] vfs_get_tree+0x88/0x270
[ 249.043503][ T5487] do_new_mount+0x24a/0xa40
[ 249.048297][ T5487] __se_sys_mount+0x2e3/0x3d0
[ 249.053152][ T5487] ? __x64_sys_mount+0xc0/0xc0
[ 249.058166][ T5487] ? lockdep_hardirqs_on+0x94/0x140
[ 249.063536][ T5487] ? __x64_sys_mount+0x1c/0xc0
[ 249.068546][ T5487] do_syscall_64+0x4c/0xa0
[ 249.073196][ T5487] ? clear_bhb_loop+0x30/0x80
[ 249.078264][ T5487] ? clear_bhb_loop+0x30/0x80
[ 249.083209][ T5487] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.089306][ T5487] RIP: 0033:0x7fc4c195860a
[ 249.094150][ T5487] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 249.114548][ T5487] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.123323][ T5487] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 249.132354][ T5487] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 249.140510][ T5487] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 249.148738][ T5487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.157077][ T5487] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.165647][ T5487]
[ 249.169990][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.183967][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.487936][ T5489] loop1: detected capacity change from 0 to 32768
[ 249.528121][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.536175][ T5489] CPU: 1 PID: 5489 Comm: syz.1.197 Not tainted syzkaller #0
[ 249.544002][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 249.554178][ T5489] Call Trace:
[ 249.557556][ T5489]
[ 249.560579][ T5489] dump_stack_lvl+0x188/0x250
[ 249.565502][ T5489] ? show_regs_print_info+0x20/0x20
[ 249.570972][ T5489] ? load_image+0x400/0x400
[ 249.575723][ T5489] sysfs_create_dir_ns+0x26a/0x290
[ 249.580942][ T5489] ? sysfs_warn_dup+0xa0/0xa0
[ 249.585812][ T5489] ? do_raw_spin_unlock+0x11d/0x230
[ 249.591085][ T5489] kobject_add_internal+0x6e0/0xd90
[ 249.596379][ T5489] kobject_init_and_add+0x128/0x190
[ 249.602032][ T5489] ? lockdep_softirqs_off+0x430/0x430
[ 249.607573][ T5489] ? kobject_add+0x230/0x230
[ 249.612305][ T5489] ? __init_swait_queue_head+0xa5/0x150
[ 249.618104][ T5489] gfs2_sys_fs_add+0x24f/0x4b0
[ 249.623132][ T5489] ? gfs2_recover_set+0x240/0x240
[ 249.628230][ T5489] ? snprintf+0xe5/0x140
[ 249.632761][ T5489] ? __free_pages+0x95/0x1a0
[ 249.637581][ T5489] ? vscnprintf+0x80/0x80
[ 249.642388][ T5489] gfs2_fill_super+0x120f/0x1f00
[ 249.647625][ T5489] ? gfs2_reconfigure+0xd30/0xd30
[ 249.652655][ T5489] ? sb_set_blocksize+0xa5/0xe0
[ 249.657498][ T5489] get_tree_bdev+0x3f1/0x610
[ 249.662906][ T5489] ? gfs2_reconfigure+0xd30/0xd30
[ 249.668294][ T5489] gfs2_get_tree+0x4d/0x1e0
[ 249.673244][ T5489] vfs_get_tree+0x88/0x270
[ 249.677741][ T5489] do_new_mount+0x24a/0xa40
[ 249.682647][ T5489] __se_sys_mount+0x2e3/0x3d0
[ 249.687886][ T5489] ? __x64_sys_mount+0xc0/0xc0
[ 249.692836][ T5489] ? lockdep_hardirqs_on+0x94/0x140
[ 249.698050][ T5489] ? __x64_sys_mount+0x1c/0xc0
[ 249.702833][ T5489] do_syscall_64+0x4c/0xa0
[ 249.707324][ T5489] ? clear_bhb_loop+0x30/0x80
[ 249.711992][ T5489] ? clear_bhb_loop+0x30/0x80
[ 249.716922][ T5489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.723033][ T5489] RIP: 0033:0x7fc4c195860a
[ 249.727633][ T5489] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 249.747744][ T5489] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.756413][ T5489] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 249.765073][ T5489] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 249.773517][ T5489] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 249.781631][ T5489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.789907][ T5489] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.798165][ T5489]
[ 249.802942][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.818121][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.124558][ T5491] loop1: detected capacity change from 0 to 32768
[ 250.187425][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.195870][ T5491] CPU: 0 PID: 5491 Comm: syz.1.198 Not tainted syzkaller #0
[ 250.203411][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 250.213546][ T5491] Call Trace:
[ 250.217201][ T5491]
[ 250.220242][ T5491] dump_stack_lvl+0x188/0x250
[ 250.225202][ T5491] ? show_regs_print_info+0x20/0x20
[ 250.230696][ T5491] ? load_image+0x400/0x400
[ 250.235320][ T5491] sysfs_create_dir_ns+0x26a/0x290
[ 250.240452][ T5491] ? sysfs_warn_dup+0xa0/0xa0
[ 250.245232][ T5491] ? do_raw_spin_unlock+0x11d/0x230
[ 250.250550][ T5491] kobject_add_internal+0x6e0/0xd90
[ 250.255961][ T5491] kobject_init_and_add+0x128/0x190
[ 250.261520][ T5491] ? lockdep_softirqs_off+0x430/0x430
[ 250.267317][ T5491] ? kobject_add+0x230/0x230
[ 250.272036][ T5491] ? __init_swait_queue_head+0xa5/0x150
[ 250.277857][ T5491] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.282984][ T5491] ? gfs2_recover_set+0x240/0x240
[ 250.288239][ T5491] ? snprintf+0xe5/0x140
[ 250.292664][ T5491] ? __free_pages+0x95/0x1a0
[ 250.297413][ T5491] ? vscnprintf+0x80/0x80
[ 250.301763][ T5491] gfs2_fill_super+0x120f/0x1f00
[ 250.306879][ T5491] ? gfs2_reconfigure+0xd30/0xd30
[ 250.312014][ T5491] ? sb_set_blocksize+0xa5/0xe0
[ 250.317250][ T5491] get_tree_bdev+0x3f1/0x610
[ 250.321845][ T5491] ? gfs2_reconfigure+0xd30/0xd30
[ 250.326878][ T5491] gfs2_get_tree+0x4d/0x1e0
[ 250.331400][ T5491] vfs_get_tree+0x88/0x270
[ 250.336146][ T5491] do_new_mount+0x24a/0xa40
[ 250.340764][ T5491] __se_sys_mount+0x2e3/0x3d0
[ 250.345696][ T5491] ? __x64_sys_mount+0xc0/0xc0
[ 250.350456][ T5491] ? lockdep_hardirqs_on+0x94/0x140
[ 250.355741][ T5491] ? __x64_sys_mount+0x1c/0xc0
[ 250.361091][ T5491] do_syscall_64+0x4c/0xa0
[ 250.365948][ T5491] ? clear_bhb_loop+0x30/0x80
[ 250.371081][ T5491] ? clear_bhb_loop+0x30/0x80
[ 250.376378][ T5491] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.382843][ T5491] RIP: 0033:0x7fc4c195860a
[ 250.387736][ T5491] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 250.408209][ T5491] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.417371][ T5491] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 250.425916][ T5491] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 250.434360][ T5491] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 250.442985][ T5491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.451600][ T5491] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.460300][ T5491]
[ 250.464768][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.478733][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.788830][ T5493] loop1: detected capacity change from 0 to 32768
[ 250.847090][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.854907][ T5493] CPU: 1 PID: 5493 Comm: syz.1.199 Not tainted syzkaller #0
[ 250.862781][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 250.873289][ T5493] Call Trace:
[ 250.876669][ T5493]
[ 250.879791][ T5493] dump_stack_lvl+0x188/0x250
[ 250.884772][ T5493] ? show_regs_print_info+0x20/0x20
[ 250.890252][ T5493] ? load_image+0x400/0x400
[ 250.894782][ T5493] sysfs_create_dir_ns+0x26a/0x290
[ 250.900261][ T5493] ? sysfs_warn_dup+0xa0/0xa0
[ 250.905306][ T5493] ? do_raw_spin_unlock+0x11d/0x230
[ 250.910717][ T5493] kobject_add_internal+0x6e0/0xd90
[ 250.916214][ T5493] kobject_init_and_add+0x128/0x190
[ 250.921607][ T5493] ? lockdep_softirqs_off+0x430/0x430
[ 250.927554][ T5493] ? kobject_add+0x230/0x230
[ 250.932174][ T5493] ? __init_swait_queue_head+0xa5/0x150
[ 250.938008][ T5493] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.943316][ T5493] ? gfs2_recover_set+0x240/0x240
[ 250.948516][ T5493] ? snprintf+0xe5/0x140
[ 250.952870][ T5493] ? __free_pages+0x95/0x1a0
[ 250.957555][ T5493] ? vscnprintf+0x80/0x80
[ 250.961976][ T5493] gfs2_fill_super+0x120f/0x1f00
[ 250.967139][ T5493] ? gfs2_reconfigure+0xd30/0xd30
[ 250.972889][ T5493] ? sb_set_blocksize+0xa5/0xe0
[ 250.977930][ T5493] get_tree_bdev+0x3f1/0x610
[ 250.982755][ T5493] ? gfs2_reconfigure+0xd30/0xd30
[ 250.987956][ T5493] gfs2_get_tree+0x4d/0x1e0
[ 250.992580][ T5493] vfs_get_tree+0x88/0x270
[ 250.997305][ T5493] do_new_mount+0x24a/0xa40
[ 251.001986][ T5493] __se_sys_mount+0x2e3/0x3d0
[ 251.006757][ T5493] ? __x64_sys_mount+0xc0/0xc0
[ 251.011771][ T5493] ? lockdep_hardirqs_on+0x94/0x140
[ 251.017139][ T5493] ? __x64_sys_mount+0x1c/0xc0
[ 251.021901][ T5493] do_syscall_64+0x4c/0xa0
[ 251.026302][ T5493] ? clear_bhb_loop+0x30/0x80
[ 251.031045][ T5493] ? clear_bhb_loop+0x30/0x80
[ 251.035898][ T5493] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.042000][ T5493] RIP: 0033:0x7fc4c195860a
[ 251.046613][ T5493] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 251.067319][ T5493] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.076020][ T5493] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 251.084473][ T5493] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 251.093293][ T5493] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 251.101724][ T5493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.109804][ T5493] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.118345][ T5493]
[ 251.122931][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.137248][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.484487][ T5495] loop1: detected capacity change from 0 to 32768
[ 251.570189][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.579103][ T5495] CPU: 1 PID: 5495 Comm: syz.1.200 Not tainted syzkaller #0
[ 251.586597][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 251.597014][ T5495] Call Trace:
[ 251.600457][ T5495]
[ 251.603693][ T5495] dump_stack_lvl+0x188/0x250
[ 251.608665][ T5495] ? show_regs_print_info+0x20/0x20
[ 251.614239][ T5495] ? load_image+0x400/0x400
[ 251.619052][ T5495] sysfs_create_dir_ns+0x26a/0x290
[ 251.624642][ T5495] ? sysfs_warn_dup+0xa0/0xa0
[ 251.629329][ T5495] ? do_raw_spin_unlock+0x11d/0x230
[ 251.634744][ T5495] kobject_add_internal+0x6e0/0xd90
[ 251.639938][ T5495] kobject_init_and_add+0x128/0x190
[ 251.645609][ T5495] ? lockdep_softirqs_off+0x430/0x430
[ 251.651200][ T5495] ? kobject_add+0x230/0x230
[ 251.655923][ T5495] ? __init_swait_queue_head+0xa5/0x150
[ 251.661761][ T5495] gfs2_sys_fs_add+0x24f/0x4b0
[ 251.666792][ T5495] ? gfs2_recover_set+0x240/0x240
[ 251.671998][ T5495] ? snprintf+0xe5/0x140
[ 251.676404][ T5495] ? __free_pages+0x95/0x1a0
[ 251.681082][ T5495] ? vscnprintf+0x80/0x80
[ 251.685883][ T5495] gfs2_fill_super+0x120f/0x1f00
[ 251.690992][ T5495] ? gfs2_reconfigure+0xd30/0xd30
[ 251.696189][ T5495] ? sb_set_blocksize+0xa5/0xe0
[ 251.701113][ T5495] get_tree_bdev+0x3f1/0x610
[ 251.705788][ T5495] ? gfs2_reconfigure+0xd30/0xd30
[ 251.710804][ T5495] gfs2_get_tree+0x4d/0x1e0
[ 251.715397][ T5495] vfs_get_tree+0x88/0x270
[ 251.719801][ T5495] do_new_mount+0x24a/0xa40
[ 251.724639][ T5495] __se_sys_mount+0x2e3/0x3d0
[ 251.729551][ T5495] ? __x64_sys_mount+0xc0/0xc0
[ 251.734667][ T5495] ? lockdep_hardirqs_on+0x94/0x140
[ 251.740149][ T5495] ? __x64_sys_mount+0x1c/0xc0
[ 251.745011][ T5495] do_syscall_64+0x4c/0xa0
[ 251.749443][ T5495] ? clear_bhb_loop+0x30/0x80
[ 251.754282][ T5495] ? clear_bhb_loop+0x30/0x80
[ 251.759041][ T5495] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.765021][ T5495] RIP: 0033:0x7fc4c195860a
[ 251.769738][ T5495] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 251.789922][ T5495] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.798417][ T5495] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 251.807144][ T5495] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 251.815551][ T5495] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 251.823921][ T5495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.832839][ T5495] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.841206][ T5495]
[ 251.846259][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.859898][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.190036][ T5497] loop1: detected capacity change from 0 to 32768
[ 252.277007][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.284666][ T5497] CPU: 0 PID: 5497 Comm: syz.1.201 Not tainted syzkaller #0
[ 252.291968][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 252.302214][ T5497] Call Trace:
[ 252.305604][ T5497]
[ 252.308635][ T5497] dump_stack_lvl+0x188/0x250
[ 252.313470][ T5497] ? show_regs_print_info+0x20/0x20
[ 252.318787][ T5497] ? load_image+0x400/0x400
[ 252.323306][ T5497] sysfs_create_dir_ns+0x26a/0x290
[ 252.328500][ T5497] ? sysfs_warn_dup+0xa0/0xa0
[ 252.333165][ T5497] ? do_raw_spin_unlock+0x11d/0x230
[ 252.338792][ T5497] kobject_add_internal+0x6e0/0xd90
[ 252.344555][ T5497] kobject_init_and_add+0x128/0x190
[ 252.350085][ T5497] ? lockdep_softirqs_off+0x430/0x430
[ 252.356114][ T5497] ? kobject_add+0x230/0x230
[ 252.361011][ T5497] ? __init_swait_queue_head+0xa5/0x150
[ 252.367576][ T5497] gfs2_sys_fs_add+0x24f/0x4b0
[ 252.372433][ T5497] ? gfs2_recover_set+0x240/0x240
[ 252.377837][ T5497] ? snprintf+0xe5/0x140
[ 252.382158][ T5497] ? __free_pages+0x95/0x1a0
[ 252.386917][ T5497] ? vscnprintf+0x80/0x80
[ 252.391468][ T5497] gfs2_fill_super+0x120f/0x1f00
[ 252.396579][ T5497] ? gfs2_reconfigure+0xd30/0xd30
[ 252.401686][ T5497] ? sb_set_blocksize+0xa5/0xe0
[ 252.406607][ T5497] get_tree_bdev+0x3f1/0x610
[ 252.411624][ T5497] ? gfs2_reconfigure+0xd30/0xd30
[ 252.416822][ T5497] gfs2_get_tree+0x4d/0x1e0
[ 252.421467][ T5497] vfs_get_tree+0x88/0x270
[ 252.426688][ T5497] do_new_mount+0x24a/0xa40
[ 252.431220][ T5497] __se_sys_mount+0x2e3/0x3d0
[ 252.435902][ T5497] ? __x64_sys_mount+0xc0/0xc0
[ 252.441059][ T5497] ? lockdep_hardirqs_on+0x94/0x140
[ 252.446502][ T5497] ? __x64_sys_mount+0x1c/0xc0
[ 252.451266][ T5497] do_syscall_64+0x4c/0xa0
[ 252.456208][ T5497] ? clear_bhb_loop+0x30/0x80
[ 252.461314][ T5497] ? clear_bhb_loop+0x30/0x80
[ 252.465979][ T5497] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.472207][ T5497] RIP: 0033:0x7fc4c195860a
[ 252.476662][ T5497] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 252.497294][ T5497] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.506333][ T5497] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 252.514300][ T5497] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 252.522439][ T5497] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 252.530870][ T5497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.539572][ T5497] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.548114][ T5497]
[ 252.552400][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.566108][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 08:41:42 executed programs: 187
[ 252.745182][ T4268] Bluetooth: hci1: command 0x0406 tx timeout
[ 252.884297][ T5499] loop1: detected capacity change from 0 to 32768
[ 252.997127][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.004806][ T5499] CPU: 1 PID: 5499 Comm: syz.1.202 Not tainted syzkaller #0
[ 253.012448][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 253.022952][ T5499] Call Trace:
[ 253.026750][ T5499]
[ 253.029790][ T5499] dump_stack_lvl+0x188/0x250
[ 253.034678][ T5499] ? show_regs_print_info+0x20/0x20
[ 253.040071][ T5499] ? load_image+0x400/0x400
[ 253.044878][ T5499] sysfs_create_dir_ns+0x26a/0x290
[ 253.050277][ T5499] ? sysfs_warn_dup+0xa0/0xa0
[ 253.055379][ T5499] ? do_raw_spin_unlock+0x11d/0x230
[ 253.060775][ T5499] kobject_add_internal+0x6e0/0xd90
[ 253.067220][ T5499] kobject_init_and_add+0x128/0x190
[ 253.072869][ T5499] ? lockdep_softirqs_off+0x430/0x430
[ 253.078691][ T5499] ? kobject_add+0x230/0x230
[ 253.083452][ T5499] ? __init_swait_queue_head+0xa5/0x150
[ 253.089085][ T5499] gfs2_sys_fs_add+0x24f/0x4b0
[ 253.094460][ T5499] ? gfs2_recover_set+0x240/0x240
[ 253.099753][ T5499] ? snprintf+0xe5/0x140
[ 253.104313][ T5499] ? __free_pages+0x95/0x1a0
[ 253.109116][ T5499] ? vscnprintf+0x80/0x80
[ 253.113620][ T5499] gfs2_fill_super+0x120f/0x1f00
[ 253.118657][ T5499] ? gfs2_reconfigure+0xd30/0xd30
[ 253.123933][ T5499] ? sb_set_blocksize+0xa5/0xe0
[ 253.129046][ T5499] get_tree_bdev+0x3f1/0x610
[ 253.134519][ T5499] ? gfs2_reconfigure+0xd30/0xd30
[ 253.139742][ T5499] gfs2_get_tree+0x4d/0x1e0
[ 253.144480][ T5499] vfs_get_tree+0x88/0x270
[ 253.149319][ T5499] do_new_mount+0x24a/0xa40
[ 253.154453][ T5499] __se_sys_mount+0x2e3/0x3d0
[ 253.159217][ T5499] ? __x64_sys_mount+0xc0/0xc0
[ 253.164063][ T5499] ? lockdep_hardirqs_on+0x94/0x140
[ 253.169362][ T5499] ? __x64_sys_mount+0x1c/0xc0
[ 253.174159][ T5499] do_syscall_64+0x4c/0xa0
[ 253.178849][ T5499] ? clear_bhb_loop+0x30/0x80
[ 253.183858][ T5499] ? clear_bhb_loop+0x30/0x80
[ 253.189115][ T5499] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.195252][ T5499] RIP: 0033:0x7fc4c195860a
[ 253.199998][ T5499] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 253.220289][ T5499] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.229289][ T5499] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 253.237667][ T5499] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 253.246025][ T5499] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 253.254678][ T5499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.263376][ T5499] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.271888][ T5499]
[ 253.276145][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.289920][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.602732][ T5501] loop1: detected capacity change from 0 to 32768
[ 253.655199][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.662785][ T5501] CPU: 1 PID: 5501 Comm: syz.1.203 Not tainted syzkaller #0
[ 253.670518][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 253.681010][ T5501] Call Trace:
[ 253.684395][ T5501]
[ 253.687343][ T5501] dump_stack_lvl+0x188/0x250
[ 253.692401][ T5501] ? show_regs_print_info+0x20/0x20
[ 253.697620][ T5501] ? load_image+0x400/0x400
[ 253.702383][ T5501] sysfs_create_dir_ns+0x26a/0x290
[ 253.707867][ T5501] ? sysfs_warn_dup+0xa0/0xa0
[ 253.712834][ T5501] ? do_raw_spin_unlock+0x11d/0x230
[ 253.718075][ T5501] kobject_add_internal+0x6e0/0xd90
[ 253.723478][ T5501] kobject_init_and_add+0x128/0x190
[ 253.728935][ T5501] ? lockdep_softirqs_off+0x430/0x430
[ 253.734754][ T5501] ? kobject_add+0x230/0x230
[ 253.739538][ T5501] ? __init_swait_queue_head+0xa5/0x150
[ 253.745696][ T5501] gfs2_sys_fs_add+0x24f/0x4b0
[ 253.750820][ T5501] ? gfs2_recover_set+0x240/0x240
[ 253.756113][ T5501] ? snprintf+0xe5/0x140
[ 253.760693][ T5501] ? __free_pages+0x95/0x1a0
[ 253.765643][ T5501] ? vscnprintf+0x80/0x80
[ 253.770178][ T5501] gfs2_fill_super+0x120f/0x1f00
[ 253.775395][ T5501] ? gfs2_reconfigure+0xd30/0xd30
[ 253.780543][ T5501] ? sb_set_blocksize+0xa5/0xe0
[ 253.785483][ T5501] get_tree_bdev+0x3f1/0x610
[ 253.790228][ T5501] ? gfs2_reconfigure+0xd30/0xd30
[ 253.795247][ T5501] gfs2_get_tree+0x4d/0x1e0
[ 253.800397][ T5501] vfs_get_tree+0x88/0x270
[ 253.804820][ T5501] do_new_mount+0x24a/0xa40
[ 253.809419][ T5501] __se_sys_mount+0x2e3/0x3d0
[ 253.814380][ T5501] ? __x64_sys_mount+0xc0/0xc0
[ 253.819287][ T5501] ? lockdep_hardirqs_on+0x94/0x140
[ 253.825007][ T5501] ? __x64_sys_mount+0x1c/0xc0
[ 253.830214][ T5501] do_syscall_64+0x4c/0xa0
[ 253.834921][ T5501] ? clear_bhb_loop+0x30/0x80
[ 253.839695][ T5501] ? clear_bhb_loop+0x30/0x80
[ 253.844826][ T5501] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.850755][ T5501] RIP: 0033:0x7fc4c195860a
[ 253.855306][ T5501] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 253.875521][ T5501] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.884110][ T5501] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 253.892370][ T5501] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 253.901074][ T5501] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 253.909415][ T5501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.917891][ T5501] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.926400][ T5501]
[ 253.930698][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.944298][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.286950][ T5503] loop1: detected capacity change from 0 to 32768
[ 254.323883][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.331539][ T5503] CPU: 0 PID: 5503 Comm: syz.1.204 Not tainted syzkaller #0
[ 254.339013][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 254.349484][ T5503] Call Trace:
[ 254.352888][ T5503]
[ 254.356025][ T5503] dump_stack_lvl+0x188/0x250
[ 254.361191][ T5503] ? show_regs_print_info+0x20/0x20
[ 254.366498][ T5503] ? load_image+0x400/0x400
[ 254.371136][ T5503] sysfs_create_dir_ns+0x26a/0x290
[ 254.376902][ T5503] ? sysfs_warn_dup+0xa0/0xa0
[ 254.381951][ T5503] ? do_raw_spin_unlock+0x11d/0x230
[ 254.387278][ T5503] kobject_add_internal+0x6e0/0xd90
[ 254.392712][ T5503] kobject_init_and_add+0x128/0x190
[ 254.398032][ T5503] ? lockdep_softirqs_off+0x430/0x430
[ 254.403547][ T5503] ? kobject_add+0x230/0x230
[ 254.408428][ T5503] ? __init_swait_queue_head+0xa5/0x150
[ 254.414198][ T5503] gfs2_sys_fs_add+0x24f/0x4b0
[ 254.419305][ T5503] ? gfs2_recover_set+0x240/0x240
[ 254.424772][ T5503] ? snprintf+0xe5/0x140
[ 254.429217][ T5503] ? __free_pages+0x95/0x1a0
[ 254.434251][ T5503] ? vscnprintf+0x80/0x80
[ 254.438580][ T5503] gfs2_fill_super+0x120f/0x1f00
[ 254.443910][ T5503] ? gfs2_reconfigure+0xd30/0xd30
[ 254.450008][ T5503] ? sb_set_blocksize+0xa5/0xe0
[ 254.455332][ T5503] get_tree_bdev+0x3f1/0x610
[ 254.460613][ T5503] ? gfs2_reconfigure+0xd30/0xd30
[ 254.466008][ T5503] gfs2_get_tree+0x4d/0x1e0
[ 254.470788][ T5503] vfs_get_tree+0x88/0x270
[ 254.475386][ T5503] do_new_mount+0x24a/0xa40
[ 254.480119][ T5503] __se_sys_mount+0x2e3/0x3d0
[ 254.484828][ T5503] ? __x64_sys_mount+0xc0/0xc0
[ 254.489774][ T5503] ? lockdep_hardirqs_on+0x94/0x140
[ 254.495126][ T5503] ? __x64_sys_mount+0x1c/0xc0
[ 254.500505][ T5503] do_syscall_64+0x4c/0xa0
[ 254.505269][ T5503] ? clear_bhb_loop+0x30/0x80
[ 254.510525][ T5503] ? clear_bhb_loop+0x30/0x80
[ 254.515905][ T5503] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.522213][ T5503] RIP: 0033:0x7fc4c195860a
[ 254.527088][ T5503] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 254.547879][ T5503] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.557024][ T5503] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 254.565462][ T5503] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 254.573814][ T5503] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 254.582009][ T5503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.590277][ T5503] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.598894][ T5503]
[ 254.603242][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.616931][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.923638][ T5505] loop1: detected capacity change from 0 to 32768
[ 254.976389][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.984027][ T5505] CPU: 1 PID: 5505 Comm: syz.1.205 Not tainted syzkaller #0
[ 254.991507][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 255.001758][ T5505] Call Trace:
[ 255.005049][ T5505]
[ 255.007986][ T5505] dump_stack_lvl+0x188/0x250
[ 255.012677][ T5505] ? show_regs_print_info+0x20/0x20
[ 255.017974][ T5505] ? load_image+0x400/0x400
[ 255.022513][ T5505] sysfs_create_dir_ns+0x26a/0x290
[ 255.027741][ T5505] ? sysfs_warn_dup+0xa0/0xa0
[ 255.032804][ T5505] ? do_raw_spin_unlock+0x11d/0x230
[ 255.038294][ T5505] kobject_add_internal+0x6e0/0xd90
[ 255.043694][ T5505] kobject_init_and_add+0x128/0x190
[ 255.049577][ T5505] ? lockdep_softirqs_off+0x430/0x430
[ 255.055620][ T5505] ? kobject_add+0x230/0x230
[ 255.060586][ T5505] ? __init_swait_queue_head+0xa5/0x150
[ 255.066651][ T5505] gfs2_sys_fs_add+0x24f/0x4b0
[ 255.071593][ T5505] ? gfs2_recover_set+0x240/0x240
[ 255.076921][ T5505] ? snprintf+0xe5/0x140
[ 255.081244][ T5505] ? __free_pages+0x95/0x1a0
[ 255.085949][ T5505] ? vscnprintf+0x80/0x80
[ 255.090636][ T5505] gfs2_fill_super+0x120f/0x1f00
[ 255.095841][ T5505] ? gfs2_reconfigure+0xd30/0xd30
[ 255.101176][ T5505] ? sb_set_blocksize+0xa5/0xe0
[ 255.106248][ T5505] get_tree_bdev+0x3f1/0x610
[ 255.110937][ T5505] ? gfs2_reconfigure+0xd30/0xd30
[ 255.116678][ T5505] gfs2_get_tree+0x4d/0x1e0
[ 255.121702][ T5505] vfs_get_tree+0x88/0x270
[ 255.126463][ T5505] do_new_mount+0x24a/0xa40
[ 255.131101][ T5505] __se_sys_mount+0x2e3/0x3d0
[ 255.136202][ T5505] ? __x64_sys_mount+0xc0/0xc0
[ 255.141137][ T5505] ? lockdep_hardirqs_on+0x94/0x140
[ 255.146419][ T5505] ? __x64_sys_mount+0x1c/0xc0
[ 255.151171][ T5505] do_syscall_64+0x4c/0xa0
[ 255.155618][ T5505] ? clear_bhb_loop+0x30/0x80
[ 255.160568][ T5505] ? clear_bhb_loop+0x30/0x80
[ 255.165402][ T5505] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.171454][ T5505] RIP: 0033:0x7fc4c195860a
[ 255.175865][ T5505] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 255.196522][ T5505] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.204929][ T5505] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 255.213387][ T5505] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 255.221529][ T5505] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 255.229828][ T5505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.238149][ T5505] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.246930][ T5505]
[ 255.251720][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.265740][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.582344][ T5507] loop1: detected capacity change from 0 to 32768
[ 255.595114][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.603175][ T5507] CPU: 1 PID: 5507 Comm: syz.1.206 Not tainted syzkaller #0
[ 255.610652][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 255.620962][ T5507] Call Trace:
[ 255.624252][ T5507]
[ 255.627474][ T5507] dump_stack_lvl+0x188/0x250
[ 255.632270][ T5507] ? show_regs_print_info+0x20/0x20
[ 255.637490][ T5507] ? load_image+0x400/0x400
[ 255.642227][ T5507] sysfs_create_dir_ns+0x26a/0x290
[ 255.647611][ T5507] ? sysfs_warn_dup+0xa0/0xa0
[ 255.652457][ T5507] ? do_raw_spin_unlock+0x11d/0x230
[ 255.657959][ T5507] kobject_add_internal+0x6e0/0xd90
[ 255.663379][ T5507] kobject_init_and_add+0x128/0x190
[ 255.668851][ T5507] ? lockdep_softirqs_off+0x430/0x430
[ 255.674659][ T5507] ? kobject_add+0x230/0x230
[ 255.679432][ T5507] ? __init_swait_queue_head+0xa5/0x150
[ 255.685418][ T5507] gfs2_sys_fs_add+0x24f/0x4b0
[ 255.690266][ T5507] ? gfs2_recover_set+0x240/0x240
[ 255.695636][ T5507] ? snprintf+0xe5/0x140
[ 255.700026][ T5507] ? __free_pages+0x95/0x1a0
[ 255.704598][ T5507] ? vscnprintf+0x80/0x80
[ 255.708987][ T5507] gfs2_fill_super+0x120f/0x1f00
[ 255.714137][ T5507] ? gfs2_reconfigure+0xd30/0xd30
[ 255.719429][ T5507] ? sb_set_blocksize+0xa5/0xe0
[ 255.724458][ T5507] get_tree_bdev+0x3f1/0x610
[ 255.729226][ T5507] ? gfs2_reconfigure+0xd30/0xd30
[ 255.734328][ T5507] gfs2_get_tree+0x4d/0x1e0
[ 255.738956][ T5507] vfs_get_tree+0x88/0x270
[ 255.743465][ T5507] do_new_mount+0x24a/0xa40
[ 255.747965][ T5507] __se_sys_mount+0x2e3/0x3d0
[ 255.752832][ T5507] ? __x64_sys_mount+0xc0/0xc0
[ 255.757963][ T5507] ? lockdep_hardirqs_on+0x94/0x140
[ 255.763533][ T5507] ? __x64_sys_mount+0x1c/0xc0
[ 255.768317][ T5507] do_syscall_64+0x4c/0xa0
[ 255.772956][ T5507] ? clear_bhb_loop+0x30/0x80
[ 255.777708][ T5507] ? clear_bhb_loop+0x30/0x80
[ 255.782553][ T5507] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.788523][ T5507] RIP: 0033:0x7fc4c195860a
[ 255.792932][ T5507] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 255.813067][ T5507] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.821855][ T5507] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 255.830773][ T5507] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 255.838924][ T5507] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 255.847168][ T5507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.855482][ T5507] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.864040][ T5507]
[ 255.873157][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.873384][ T1432] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.889804][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.894270][ T1432] ieee802154 phy1 wpan1: encryption failed: -22
[ 256.262111][ T5509] loop1: detected capacity change from 0 to 32768
[ 256.361386][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.371592][ T5509] CPU: 0 PID: 5509 Comm: syz.1.207 Not tainted syzkaller #0
[ 256.379269][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 256.389516][ T5509] Call Trace:
[ 256.392827][ T5509]
[ 256.395766][ T5509] dump_stack_lvl+0x188/0x250
[ 256.400644][ T5509] ? show_regs_print_info+0x20/0x20
[ 256.406122][ T5509] ? load_image+0x400/0x400
[ 256.410743][ T5509] sysfs_create_dir_ns+0x26a/0x290
[ 256.415893][ T5509] ? sysfs_warn_dup+0xa0/0xa0
[ 256.421112][ T5509] ? do_raw_spin_unlock+0x11d/0x230
[ 256.426452][ T5509] kobject_add_internal+0x6e0/0xd90
[ 256.431936][ T5509] kobject_init_and_add+0x128/0x190
[ 256.437506][ T5509] ? lockdep_softirqs_off+0x430/0x430
[ 256.443612][ T5509] ? kobject_add+0x230/0x230
[ 256.448513][ T5509] ? __init_swait_queue_head+0xa5/0x150
[ 256.454553][ T5509] gfs2_sys_fs_add+0x24f/0x4b0
[ 256.459776][ T5509] ? gfs2_recover_set+0x240/0x240
[ 256.465201][ T5509] ? snprintf+0xe5/0x140
[ 256.469641][ T5509] ? __free_pages+0x95/0x1a0
[ 256.474542][ T5509] ? vscnprintf+0x80/0x80
[ 256.479004][ T5509] gfs2_fill_super+0x120f/0x1f00
[ 256.484561][ T5509] ? gfs2_reconfigure+0xd30/0xd30
[ 256.489689][ T5509] ? sb_set_blocksize+0xa5/0xe0
[ 256.494543][ T5509] get_tree_bdev+0x3f1/0x610
[ 256.499139][ T5509] ? gfs2_reconfigure+0xd30/0xd30
[ 256.504525][ T5509] gfs2_get_tree+0x4d/0x1e0
[ 256.509642][ T5509] vfs_get_tree+0x88/0x270
[ 256.514455][ T5509] do_new_mount+0x24a/0xa40
[ 256.519266][ T5509] __se_sys_mount+0x2e3/0x3d0
[ 256.524146][ T5509] ? __x64_sys_mount+0xc0/0xc0
[ 256.529074][ T5509] ? lockdep_hardirqs_on+0x94/0x140
[ 256.534528][ T5509] ? __x64_sys_mount+0x1c/0xc0
[ 256.539580][ T5509] do_syscall_64+0x4c/0xa0
[ 256.544543][ T5509] ? clear_bhb_loop+0x30/0x80
[ 256.549335][ T5509] ? clear_bhb_loop+0x30/0x80
[ 256.554178][ T5509] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.560145][ T5509] RIP: 0033:0x7fc4c195860a
[ 256.564897][ T5509] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 256.585178][ T5509] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.593688][ T5509] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 256.601850][ T5509] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 256.610467][ T5509] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 256.618697][ T5509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.627074][ T5509] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.635307][ T5509]
[ 256.639707][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.653708][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.947532][ T5511] loop1: detected capacity change from 0 to 32768
[ 256.998329][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.006660][ T5511] CPU: 1 PID: 5511 Comm: syz.1.208 Not tainted syzkaller #0
[ 257.014240][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 257.024494][ T5511] Call Trace:
[ 257.028057][ T5511]
[ 257.031100][ T5511] dump_stack_lvl+0x188/0x250
[ 257.035888][ T5511] ? show_regs_print_info+0x20/0x20
[ 257.041194][ T5511] ? load_image+0x400/0x400
[ 257.045814][ T5511] sysfs_create_dir_ns+0x26a/0x290
[ 257.051204][ T5511] ? sysfs_warn_dup+0xa0/0xa0
[ 257.056020][ T5511] ? do_raw_spin_unlock+0x11d/0x230
[ 257.061445][ T5511] kobject_add_internal+0x6e0/0xd90
[ 257.066881][ T5511] kobject_init_and_add+0x128/0x190
[ 257.072274][ T5511] ? lockdep_softirqs_off+0x430/0x430
[ 257.077689][ T5511] ? kobject_add+0x230/0x230
[ 257.082510][ T5511] ? __init_swait_queue_head+0xa5/0x150
[ 257.088615][ T5511] gfs2_sys_fs_add+0x24f/0x4b0
[ 257.093875][ T5511] ? gfs2_recover_set+0x240/0x240
[ 257.099314][ T5511] ? snprintf+0xe5/0x140
[ 257.103899][ T5511] ? __free_pages+0x95/0x1a0
[ 257.108679][ T5511] ? vscnprintf+0x80/0x80
[ 257.113103][ T5511] gfs2_fill_super+0x120f/0x1f00
[ 257.118519][ T5511] ? gfs2_reconfigure+0xd30/0xd30
[ 257.124173][ T5511] ? sb_set_blocksize+0xa5/0xe0
[ 257.129534][ T5511] get_tree_bdev+0x3f1/0x610
[ 257.134396][ T5511] ? gfs2_reconfigure+0xd30/0xd30
[ 257.139612][ T5511] gfs2_get_tree+0x4d/0x1e0
[ 257.144305][ T5511] vfs_get_tree+0x88/0x270
[ 257.148846][ T5511] do_new_mount+0x24a/0xa40
[ 257.153526][ T5511] __se_sys_mount+0x2e3/0x3d0
[ 257.158299][ T5511] ? __x64_sys_mount+0xc0/0xc0
[ 257.163315][ T5511] ? lockdep_hardirqs_on+0x94/0x140
[ 257.168602][ T5511] ? __x64_sys_mount+0x1c/0xc0
[ 257.173790][ T5511] do_syscall_64+0x4c/0xa0
[ 257.178209][ T5511] ? clear_bhb_loop+0x30/0x80
[ 257.182966][ T5511] ? clear_bhb_loop+0x30/0x80
[ 257.188222][ T5511] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.194459][ T5511] RIP: 0033:0x7fc4c195860a
[ 257.199045][ T5511] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 257.219626][ T5511] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.228040][ T5511] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 257.236264][ T5511] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 257.244578][ T5511] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 257.252747][ T5511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.261028][ T5511] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.269398][ T5511]
[ 257.273639][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.287737][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.613635][ T5513] loop1: detected capacity change from 0 to 32768
[ 257.665064][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.672751][ T5513] CPU: 1 PID: 5513 Comm: syz.1.209 Not tainted syzkaller #0
[ 257.680265][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 257.690421][ T5513] Call Trace:
[ 257.693920][ T5513]
[ 257.696948][ T5513] dump_stack_lvl+0x188/0x250
[ 257.701736][ T5513] ? show_regs_print_info+0x20/0x20
[ 257.706954][ T5513] ? load_image+0x400/0x400
[ 257.711569][ T5513] sysfs_create_dir_ns+0x26a/0x290
[ 257.716847][ T5513] ? sysfs_warn_dup+0xa0/0xa0
[ 257.721934][ T5513] ? do_raw_spin_unlock+0x11d/0x230
[ 257.727326][ T5513] kobject_add_internal+0x6e0/0xd90
[ 257.732649][ T5513] kobject_init_and_add+0x128/0x190
[ 257.737955][ T5513] ? lockdep_softirqs_off+0x430/0x430
[ 257.743710][ T5513] ? kobject_add+0x230/0x230
[ 257.748533][ T5513] ? __init_swait_queue_head+0xa5/0x150
[ 257.754363][ T5513] gfs2_sys_fs_add+0x24f/0x4b0
[ 257.759619][ T5513] ? gfs2_recover_set+0x240/0x240
[ 257.765162][ T5513] ? snprintf+0xe5/0x140
[ 257.769487][ T5513] ? __free_pages+0x95/0x1a0
[ 257.774088][ T5513] ? vscnprintf+0x80/0x80
[ 257.778592][ T5513] gfs2_fill_super+0x120f/0x1f00
[ 257.783994][ T5513] ? gfs2_reconfigure+0xd30/0xd30
[ 257.789196][ T5513] ? sb_set_blocksize+0xa5/0xe0
[ 257.794039][ T5513] get_tree_bdev+0x3f1/0x610
[ 257.798617][ T5513] ? gfs2_reconfigure+0xd30/0xd30
[ 257.803853][ T5513] gfs2_get_tree+0x4d/0x1e0
[ 257.809010][ T5513] vfs_get_tree+0x88/0x270
[ 257.813904][ T5513] do_new_mount+0x24a/0xa40
[ 257.818510][ T5513] __se_sys_mount+0x2e3/0x3d0
[ 257.823536][ T5513] ? __x64_sys_mount+0xc0/0xc0
[ 257.828472][ T5513] ? lockdep_hardirqs_on+0x94/0x140
[ 257.833750][ T5513] ? __x64_sys_mount+0x1c/0xc0
[ 257.838505][ T5513] do_syscall_64+0x4c/0xa0
[ 257.843293][ T5513] ? clear_bhb_loop+0x30/0x80
[ 257.848412][ T5513] ? clear_bhb_loop+0x30/0x80
[ 257.853419][ T5513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.859688][ T5513] RIP: 0033:0x7fc4c195860a
[ 257.864280][ T5513] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 257.885137][ T5513] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.894650][ T5513] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 257.902896][ T5513] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 257.911531][ T5513] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 257.919956][ T5513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.928537][ T5513] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.936787][ T5513]
[ 257.941476][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.955955][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 08:41:47 executed programs: 195
[ 258.255573][ T5515] loop1: detected capacity change from 0 to 32768
[ 258.305208][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.313342][ T5515] CPU: 1 PID: 5515 Comm: syz.1.210 Not tainted syzkaller #0
[ 258.320885][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 258.331447][ T5515] Call Trace:
[ 258.334919][ T5515]
[ 258.337883][ T5515] dump_stack_lvl+0x188/0x250
[ 258.342854][ T5515] ? show_regs_print_info+0x20/0x20
[ 258.348265][ T5515] ? load_image+0x400/0x400
[ 258.352888][ T5515] sysfs_create_dir_ns+0x26a/0x290
[ 258.358023][ T5515] ? sysfs_warn_dup+0xa0/0xa0
[ 258.362997][ T5515] ? do_raw_spin_unlock+0x11d/0x230
[ 258.368490][ T5515] kobject_add_internal+0x6e0/0xd90
[ 258.373719][ T5515] kobject_init_and_add+0x128/0x190
[ 258.379029][ T5515] ? lockdep_softirqs_off+0x430/0x430
[ 258.384526][ T5515] ? kobject_add+0x230/0x230
[ 258.389228][ T5515] ? __init_swait_queue_head+0xa5/0x150
[ 258.395122][ T5515] gfs2_sys_fs_add+0x24f/0x4b0
[ 258.399987][ T5515] ? gfs2_recover_set+0x240/0x240
[ 258.405123][ T5515] ? snprintf+0xe5/0x140
[ 258.409559][ T5515] ? __free_pages+0x95/0x1a0
[ 258.414415][ T5515] ? vscnprintf+0x80/0x80
[ 258.418829][ T5515] gfs2_fill_super+0x120f/0x1f00
[ 258.424232][ T5515] ? gfs2_reconfigure+0xd30/0xd30
[ 258.429617][ T5515] ? sb_set_blocksize+0xa5/0xe0
[ 258.434643][ T5515] get_tree_bdev+0x3f1/0x610
[ 258.439396][ T5515] ? gfs2_reconfigure+0xd30/0xd30
[ 258.444699][ T5515] gfs2_get_tree+0x4d/0x1e0
[ 258.449457][ T5515] vfs_get_tree+0x88/0x270
[ 258.454245][ T5515] do_new_mount+0x24a/0xa40
[ 258.459017][ T5515] __se_sys_mount+0x2e3/0x3d0
[ 258.464041][ T5515] ? __x64_sys_mount+0xc0/0xc0
[ 258.469134][ T5515] ? lockdep_hardirqs_on+0x94/0x140
[ 258.474499][ T5515] ? __x64_sys_mount+0x1c/0xc0
[ 258.479516][ T5515] do_syscall_64+0x4c/0xa0
[ 258.484359][ T5515] ? clear_bhb_loop+0x30/0x80
[ 258.489298][ T5515] ? clear_bhb_loop+0x30/0x80
[ 258.494241][ T5515] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.500397][ T5515] RIP: 0033:0x7fc4c195860a
[ 258.505108][ T5515] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 258.526067][ T5515] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.534698][ T5515] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 258.543557][ T5515] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 258.552785][ T5515] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 258.561587][ T5515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.569844][ T5515] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 258.577917][ T5515]
[ 258.582941][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.596943][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.898809][ T5517] loop1: detected capacity change from 0 to 32768
[ 258.945890][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.953575][ T5517] CPU: 0 PID: 5517 Comm: syz.1.211 Not tainted syzkaller #0
[ 258.961133][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 258.971462][ T5517] Call Trace:
[ 258.974920][ T5517]
[ 258.977953][ T5517] dump_stack_lvl+0x188/0x250
[ 258.982937][ T5517] ? show_regs_print_info+0x20/0x20
[ 258.988590][ T5517] ? load_image+0x400/0x400
[ 258.993216][ T5517] sysfs_create_dir_ns+0x26a/0x290
[ 258.998436][ T5517] ? sysfs_warn_dup+0xa0/0xa0
[ 259.003384][ T5517] ? do_raw_spin_unlock+0x11d/0x230
[ 259.008768][ T5517] kobject_add_internal+0x6e0/0xd90
[ 259.014074][ T5517] kobject_init_and_add+0x128/0x190
[ 259.019380][ T5517] ? lockdep_softirqs_off+0x430/0x430
[ 259.024971][ T5517] ? kobject_add+0x230/0x230
[ 259.029746][ T5517] ? __init_swait_queue_head+0xa5/0x150
[ 259.035560][ T5517] gfs2_sys_fs_add+0x24f/0x4b0
[ 259.040565][ T5517] ? gfs2_recover_set+0x240/0x240
[ 259.045947][ T5517] ? snprintf+0xe5/0x140
[ 259.050571][ T5517] ? __free_pages+0x95/0x1a0
[ 259.055486][ T5517] ? vscnprintf+0x80/0x80
[ 259.060140][ T5517] gfs2_fill_super+0x120f/0x1f00
[ 259.065256][ T5517] ? gfs2_reconfigure+0xd30/0xd30
[ 259.070833][ T5517] ? sb_set_blocksize+0xa5/0xe0
[ 259.075875][ T5517] get_tree_bdev+0x3f1/0x610
[ 259.080649][ T5517] ? gfs2_reconfigure+0xd30/0xd30
[ 259.086061][ T5517] gfs2_get_tree+0x4d/0x1e0
[ 259.090858][ T5517] vfs_get_tree+0x88/0x270
[ 259.095466][ T5517] do_new_mount+0x24a/0xa40
[ 259.100363][ T5517] __se_sys_mount+0x2e3/0x3d0
[ 259.105323][ T5517] ? __x64_sys_mount+0xc0/0xc0
[ 259.110411][ T5517] ? lockdep_hardirqs_on+0x94/0x140
[ 259.115716][ T5517] ? __x64_sys_mount+0x1c/0xc0
[ 259.120840][ T5517] do_syscall_64+0x4c/0xa0
[ 259.125331][ T5517] ? clear_bhb_loop+0x30/0x80
[ 259.130258][ T5517] ? clear_bhb_loop+0x30/0x80
[ 259.135024][ T5517] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.141093][ T5517] RIP: 0033:0x7fc4c195860a
[ 259.145535][ T5517] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 259.167158][ T5517] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.175656][ T5517] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 259.183849][ T5517] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 259.191905][ T5517] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 259.200219][ T5517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.208827][ T5517] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.217521][ T5517]
[ 259.221959][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.236288][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.555841][ T5519] loop1: detected capacity change from 0 to 32768
[ 259.649054][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.658379][ T5519] CPU: 0 PID: 5519 Comm: syz.1.212 Not tainted syzkaller #0
[ 259.665680][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 259.676646][ T5519] Call Trace:
[ 259.680112][ T5519]
[ 259.683158][ T5519] dump_stack_lvl+0x188/0x250
[ 259.688120][ T5519] ? show_regs_print_info+0x20/0x20
[ 259.693428][ T5519] ? load_image+0x400/0x400
[ 259.698230][ T5519] sysfs_create_dir_ns+0x26a/0x290
[ 259.703618][ T5519] ? sysfs_warn_dup+0xa0/0xa0
[ 259.708484][ T5519] ? do_raw_spin_unlock+0x11d/0x230
[ 259.713829][ T5519] kobject_add_internal+0x6e0/0xd90
[ 259.719131][ T5519] kobject_init_and_add+0x128/0x190
[ 259.724720][ T5519] ? lockdep_softirqs_off+0x430/0x430
[ 259.730184][ T5519] ? kobject_add+0x230/0x230
[ 259.734905][ T5519] ? __init_swait_queue_head+0xa5/0x150
[ 259.740847][ T5519] gfs2_sys_fs_add+0x24f/0x4b0
[ 259.745792][ T5519] ? gfs2_recover_set+0x240/0x240
[ 259.751147][ T5519] ? snprintf+0xe5/0x140
[ 259.755667][ T5519] ? __free_pages+0x95/0x1a0
[ 259.760431][ T5519] ? vscnprintf+0x80/0x80
[ 259.764945][ T5519] gfs2_fill_super+0x120f/0x1f00
[ 259.769893][ T5519] ? gfs2_reconfigure+0xd30/0xd30
[ 259.775377][ T5519] ? sb_set_blocksize+0xa5/0xe0
[ 259.780223][ T5519] get_tree_bdev+0x3f1/0x610
[ 259.784899][ T5519] ? gfs2_reconfigure+0xd30/0xd30
[ 259.790460][ T5519] gfs2_get_tree+0x4d/0x1e0
[ 259.794969][ T5519] vfs_get_tree+0x88/0x270
[ 259.799728][ T5519] do_new_mount+0x24a/0xa40
[ 259.804254][ T5519] __se_sys_mount+0x2e3/0x3d0
[ 259.809163][ T5519] ? __x64_sys_mount+0xc0/0xc0
[ 259.814053][ T5519] ? lockdep_hardirqs_on+0x94/0x140
[ 259.819562][ T5519] ? __x64_sys_mount+0x1c/0xc0
[ 259.824418][ T5519] do_syscall_64+0x4c/0xa0
[ 259.829274][ T5519] ? clear_bhb_loop+0x30/0x80
[ 259.834478][ T5519] ? clear_bhb_loop+0x30/0x80
[ 259.839568][ T5519] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.846107][ T5519] RIP: 0033:0x7fc4c195860a
[ 259.850701][ T5519] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 259.871633][ T5519] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.880047][ T5519] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 259.888034][ T5519] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 259.896183][ T5519] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 259.904638][ T5519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.913111][ T5519] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.921946][ T5519]
[ 259.927395][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.941502][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.272194][ T5521] loop1: detected capacity change from 0 to 32768
[ 260.344383][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.353609][ T5521] CPU: 1 PID: 5521 Comm: syz.1.213 Not tainted syzkaller #0
[ 260.362175][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 260.373836][ T5521] Call Trace:
[ 260.377491][ T5521]
[ 260.380744][ T5521] dump_stack_lvl+0x188/0x250
[ 260.385538][ T5521] ? show_regs_print_info+0x20/0x20
[ 260.390976][ T5521] ? load_image+0x400/0x400
[ 260.395699][ T5521] sysfs_create_dir_ns+0x26a/0x290
[ 260.400914][ T5521] ? sysfs_warn_dup+0xa0/0xa0
[ 260.405691][ T5521] ? do_raw_spin_unlock+0x11d/0x230
[ 260.410908][ T5521] kobject_add_internal+0x6e0/0xd90
[ 260.416637][ T5521] kobject_init_and_add+0x128/0x190
[ 260.422507][ T5521] ? lockdep_softirqs_off+0x430/0x430
[ 260.428253][ T5521] ? kobject_add+0x230/0x230
[ 260.433264][ T5521] ? __init_swait_queue_head+0xa5/0x150
[ 260.439108][ T5521] gfs2_sys_fs_add+0x24f/0x4b0
[ 260.444232][ T5521] ? gfs2_recover_set+0x240/0x240
[ 260.449562][ T5521] ? snprintf+0xe5/0x140
[ 260.454324][ T5521] ? __free_pages+0x95/0x1a0
[ 260.459535][ T5521] ? vscnprintf+0x80/0x80
[ 260.464051][ T5521] gfs2_fill_super+0x120f/0x1f00
[ 260.469399][ T5521] ? gfs2_reconfigure+0xd30/0xd30
[ 260.474915][ T5521] ? sb_set_blocksize+0xa5/0xe0
[ 260.479968][ T5521] get_tree_bdev+0x3f1/0x610
[ 260.485122][ T5521] ? gfs2_reconfigure+0xd30/0xd30
[ 260.490374][ T5521] gfs2_get_tree+0x4d/0x1e0
[ 260.495161][ T5521] vfs_get_tree+0x88/0x270
[ 260.500064][ T5521] do_new_mount+0x24a/0xa40
[ 260.504867][ T5521] __se_sys_mount+0x2e3/0x3d0
[ 260.509955][ T5521] ? __x64_sys_mount+0xc0/0xc0
[ 260.515093][ T5521] ? lockdep_hardirqs_on+0x94/0x140
[ 260.520504][ T5521] ? __x64_sys_mount+0x1c/0xc0
[ 260.525618][ T5521] do_syscall_64+0x4c/0xa0
[ 260.530400][ T5521] ? clear_bhb_loop+0x30/0x80
[ 260.535695][ T5521] ? clear_bhb_loop+0x30/0x80
[ 260.540620][ T5521] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.546678][ T5521] RIP: 0033:0x7fc4c195860a
[ 260.551515][ T5521] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 260.573159][ T5521] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.581863][ T5521] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 260.590319][ T5521] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 260.598328][ T5521] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 260.606687][ T5521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.615004][ T5521] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 260.623517][ T5521]
[ 260.627713][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.641073][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.954852][ T5523] loop1: detected capacity change from 0 to 32768
[ 261.007729][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.025187][ T5523] CPU: 1 PID: 5523 Comm: syz.1.214 Not tainted syzkaller #0
[ 261.032878][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 261.043907][ T5523] Call Trace:
[ 261.047382][ T5523]
[ 261.050613][ T5523] dump_stack_lvl+0x188/0x250
[ 261.055491][ T5523] ? show_regs_print_info+0x20/0x20
[ 261.060982][ T5523] ? load_image+0x400/0x400
[ 261.065789][ T5523] sysfs_create_dir_ns+0x26a/0x290
[ 261.071272][ T5523] ? sysfs_warn_dup+0xa0/0xa0
[ 261.076242][ T5523] ? do_raw_spin_unlock+0x11d/0x230
[ 261.081727][ T5523] kobject_add_internal+0x6e0/0xd90
[ 261.087396][ T5523] kobject_init_and_add+0x128/0x190
[ 261.093040][ T5523] ? lockdep_softirqs_off+0x430/0x430
[ 261.098500][ T5523] ? kobject_add+0x230/0x230
[ 261.103081][ T5523] ? __init_swait_queue_head+0xa5/0x150
[ 261.109706][ T5523] gfs2_sys_fs_add+0x24f/0x4b0
[ 261.114558][ T5523] ? gfs2_recover_set+0x240/0x240
[ 261.119840][ T5523] ? snprintf+0xe5/0x140
[ 261.124337][ T5523] ? __free_pages+0x95/0x1a0
[ 261.129395][ T5523] ? vscnprintf+0x80/0x80
[ 261.134268][ T5523] gfs2_fill_super+0x120f/0x1f00
[ 261.140026][ T5523] ? gfs2_reconfigure+0xd30/0xd30
[ 261.145182][ T5523] ? sb_set_blocksize+0xa5/0xe0
[ 261.150410][ T5523] get_tree_bdev+0x3f1/0x610
[ 261.155352][ T5523] ? gfs2_reconfigure+0xd30/0xd30
[ 261.160900][ T5523] gfs2_get_tree+0x4d/0x1e0
[ 261.165703][ T5523] vfs_get_tree+0x88/0x270
[ 261.170557][ T5523] do_new_mount+0x24a/0xa40
[ 261.175177][ T5523] __se_sys_mount+0x2e3/0x3d0
[ 261.180196][ T5523] ? __x64_sys_mount+0xc0/0xc0
[ 261.185143][ T5523] ? lockdep_hardirqs_on+0x94/0x140
[ 261.190602][ T5523] ? __x64_sys_mount+0x1c/0xc0
[ 261.195559][ T5523] do_syscall_64+0x4c/0xa0
[ 261.200071][ T5523] ? clear_bhb_loop+0x30/0x80
[ 261.205194][ T5523] ? clear_bhb_loop+0x30/0x80
[ 261.210163][ T5523] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 261.216073][ T5523] RIP: 0033:0x7fc4c195860a
[ 261.220684][ T5523] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 261.240905][ T5523] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.250389][ T5523] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 261.259107][ T5523] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 261.267647][ T5523] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 261.275798][ T5523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 261.284583][ T5523] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 261.292986][ T5523]
[ 261.297098][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.311217][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.612171][ T5525] loop1: detected capacity change from 0 to 32768
[ 261.655228][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.662907][ T5525] CPU: 1 PID: 5525 Comm: syz.1.215 Not tainted syzkaller #0
[ 261.670570][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 261.681342][ T5525] Call Trace:
[ 261.684640][ T5525]
[ 261.687707][ T5525] dump_stack_lvl+0x188/0x250
[ 261.692499][ T5525] ? show_regs_print_info+0x20/0x20
[ 261.698090][ T5525] ? load_image+0x400/0x400
[ 261.702900][ T5525] sysfs_create_dir_ns+0x26a/0x290
[ 261.708392][ T5525] ? sysfs_warn_dup+0xa0/0xa0
[ 261.713100][ T5525] ? do_raw_spin_unlock+0x11d/0x230
[ 261.718470][ T5525] kobject_add_internal+0x6e0/0xd90
[ 261.723789][ T5525] kobject_init_and_add+0x128/0x190
[ 261.729191][ T5525] ? lockdep_softirqs_off+0x430/0x430
[ 261.734796][ T5525] ? kobject_add+0x230/0x230
[ 261.739504][ T5525] ? __init_swait_queue_head+0xa5/0x150
[ 261.745298][ T5525] gfs2_sys_fs_add+0x24f/0x4b0
[ 261.750148][ T5525] ? gfs2_recover_set+0x240/0x240
[ 261.755292][ T5525] ? snprintf+0xe5/0x140
[ 261.759654][ T5525] ? __free_pages+0x95/0x1a0
[ 261.764234][ T5525] ? vscnprintf+0x80/0x80
[ 261.768842][ T5525] gfs2_fill_super+0x120f/0x1f00
[ 261.773997][ T5525] ? gfs2_reconfigure+0xd30/0xd30
[ 261.779369][ T5525] ? sb_set_blocksize+0xa5/0xe0
[ 261.784422][ T5525] get_tree_bdev+0x3f1/0x610
[ 261.789101][ T5525] ? gfs2_reconfigure+0xd30/0xd30
[ 261.794395][ T5525] gfs2_get_tree+0x4d/0x1e0
[ 261.799098][ T5525] vfs_get_tree+0x88/0x270
[ 261.803524][ T5525] do_new_mount+0x24a/0xa40
[ 261.808160][ T5525] __se_sys_mount+0x2e3/0x3d0
[ 261.813024][ T5525] ? __x64_sys_mount+0xc0/0xc0
[ 261.817817][ T5525] ? lockdep_hardirqs_on+0x94/0x140
[ 261.823503][ T5525] ? __x64_sys_mount+0x1c/0xc0
[ 261.828766][ T5525] do_syscall_64+0x4c/0xa0
[ 261.833736][ T5525] ? clear_bhb_loop+0x30/0x80
[ 261.838945][ T5525] ? clear_bhb_loop+0x30/0x80
[ 261.843706][ T5525] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 261.849670][ T5525] RIP: 0033:0x7fc4c195860a
[ 261.854399][ T5525] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 261.875030][ T5525] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.883740][ T5525] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 261.892034][ T5525] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 261.900409][ T5525] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 261.908995][ T5525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 261.917668][ T5525] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 261.926172][ T5525]
[ 261.931135][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.945023][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.267920][ T5527] loop1: detected capacity change from 0 to 32768
[ 262.323916][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.332090][ T5527] CPU: 1 PID: 5527 Comm: syz.1.216 Not tainted syzkaller #0
[ 262.339490][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 262.350092][ T5527] Call Trace:
[ 262.353735][ T5527]
[ 262.356849][ T5527] dump_stack_lvl+0x188/0x250
[ 262.362041][ T5527] ? show_regs_print_info+0x20/0x20
[ 262.367956][ T5527] ? load_image+0x400/0x400
[ 262.373347][ T5527] sysfs_create_dir_ns+0x26a/0x290
[ 262.378753][ T5527] ? sysfs_warn_dup+0xa0/0xa0
[ 262.383975][ T5527] ? do_raw_spin_unlock+0x11d/0x230
[ 262.389485][ T5527] kobject_add_internal+0x6e0/0xd90
[ 262.395085][ T5527] kobject_init_and_add+0x128/0x190
[ 262.400410][ T5527] ? lockdep_softirqs_off+0x430/0x430
[ 262.406008][ T5527] ? kobject_add+0x230/0x230
[ 262.411025][ T5527] ? __init_swait_queue_head+0xa5/0x150
[ 262.417682][ T5527] gfs2_sys_fs_add+0x24f/0x4b0
[ 262.423051][ T5527] ? gfs2_recover_set+0x240/0x240
[ 262.428625][ T5527] ? snprintf+0xe5/0x140
[ 262.432976][ T5527] ? __free_pages+0x95/0x1a0
[ 262.438128][ T5527] ? vscnprintf+0x80/0x80
[ 262.442496][ T5527] gfs2_fill_super+0x120f/0x1f00
[ 262.447608][ T5527] ? gfs2_reconfigure+0xd30/0xd30
[ 262.453044][ T5527] ? sb_set_blocksize+0xa5/0xe0
[ 262.458343][ T5527] get_tree_bdev+0x3f1/0x610
[ 262.462948][ T5527] ? gfs2_reconfigure+0xd30/0xd30
[ 262.468282][ T5527] gfs2_get_tree+0x4d/0x1e0
[ 262.473040][ T5527] vfs_get_tree+0x88/0x270
[ 262.477711][ T5527] do_new_mount+0x24a/0xa40
[ 262.482597][ T5527] __se_sys_mount+0x2e3/0x3d0
[ 262.487355][ T5527] ? __x64_sys_mount+0xc0/0xc0
[ 262.492211][ T5527] ? lockdep_hardirqs_on+0x94/0x140
[ 262.497572][ T5527] ? __x64_sys_mount+0x1c/0xc0
[ 262.502503][ T5527] do_syscall_64+0x4c/0xa0
[ 262.507099][ T5527] ? clear_bhb_loop+0x30/0x80
[ 262.511890][ T5527] ? clear_bhb_loop+0x30/0x80
[ 262.516862][ T5527] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.523446][ T5527] RIP: 0033:0x7fc4c195860a
[ 262.528461][ T5527] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 262.549580][ T5527] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.558487][ T5527] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 262.566933][ T5527] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 262.575635][ T5527] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 262.584065][ T5527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 262.592267][ T5527] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 262.600396][ T5527]
[ 262.604677][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.619216][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.949572][ T5529] loop1: detected capacity change from 0 to 32768
[ 263.011245][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.023994][ T5529] CPU: 1 PID: 5529 Comm: syz.1.217 Not tainted syzkaller #0
[ 263.031684][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 263.042674][ T5529] Call Trace:
[ 263.046491][ T5529]
[ 263.049521][ T5529] dump_stack_lvl+0x188/0x250
[ 263.054225][ T5529] ? show_regs_print_info+0x20/0x20
[ 263.059699][ T5529] ? load_image+0x400/0x400
[ 263.064686][ T5529] sysfs_create_dir_ns+0x26a/0x290
[ 263.070076][ T5529] ? sysfs_warn_dup+0xa0/0xa0
[ 263.075057][ T5529] ? do_raw_spin_unlock+0x11d/0x230
[ 263.080740][ T5529] kobject_add_internal+0x6e0/0xd90
[ 263.086514][ T5529] kobject_init_and_add+0x128/0x190
[ 263.092002][ T5529] ? lockdep_softirqs_off+0x430/0x430
[ 263.097452][ T5529] ? kobject_add+0x230/0x230
[ 263.102523][ T5529] ? __init_swait_queue_head+0xa5/0x150
[ 263.108394][ T5529] gfs2_sys_fs_add+0x24f/0x4b0
[ 263.113696][ T5529] ? gfs2_recover_set+0x240/0x240
[ 263.118993][ T5529] ? snprintf+0xe5/0x140
[ 263.125073][ T5529] ? __free_pages+0x95/0x1a0
[ 263.130488][ T5529] ? vscnprintf+0x80/0x80
[ 263.135729][ T5529] gfs2_fill_super+0x120f/0x1f00
[ 263.141269][ T5529] ? gfs2_reconfigure+0xd30/0xd30
[ 263.147637][ T5529] ? sb_set_blocksize+0xa5/0xe0
[ 263.153160][ T5529] get_tree_bdev+0x3f1/0x610
[ 263.158287][ T5529] ? gfs2_reconfigure+0xd30/0xd30
[ 263.163575][ T5529] gfs2_get_tree+0x4d/0x1e0
[ 263.168328][ T5529] vfs_get_tree+0x88/0x270
[ 263.173252][ T5529] do_new_mount+0x24a/0xa40
[ 263.178025][ T5529] __se_sys_mount+0x2e3/0x3d0
[ 263.183045][ T5529] ? __x64_sys_mount+0xc0/0xc0
[ 263.188068][ T5529] ? lockdep_hardirqs_on+0x94/0x140
[ 263.194339][ T5529] ? __x64_sys_mount+0x1c/0xc0
[ 263.199660][ T5529] do_syscall_64+0x4c/0xa0
[ 263.204972][ T5529] ? clear_bhb_loop+0x30/0x80
[ 263.210019][ T5529] ? clear_bhb_loop+0x30/0x80
[ 263.214979][ T5529] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 263.221199][ T5529] RIP: 0033:0x7fc4c195860a
[ 263.225707][ T5529] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 263.246678][ T5529] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.255581][ T5529] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 263.264336][ T5529] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 263.272407][ T5529] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 263.280986][ T5529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 263.289626][ T5529] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 263.298210][ T5529]
[ 263.302650][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.317058][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/10 08:41:53 executed programs: 203
[ 263.635074][ T5531] loop1: detected capacity change from 0 to 32768
[ 263.665138][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.674006][ T5531] CPU: 1 PID: 5531 Comm: syz.1.218 Not tainted syzkaller #0
[ 263.681657][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 263.692165][ T5531] Call Trace:
[ 263.695631][ T5531]
[ 263.698850][ T5531] dump_stack_lvl+0x188/0x250
[ 263.703944][ T5531] ? show_regs_print_info+0x20/0x20
[ 263.709186][ T5531] ? load_image+0x400/0x400
[ 263.713717][ T5531] sysfs_create_dir_ns+0x26a/0x290
[ 263.719023][ T5531] ? sysfs_warn_dup+0xa0/0xa0
[ 263.723925][ T5531] ? do_raw_spin_unlock+0x11d/0x230
[ 263.729341][ T5531] kobject_add_internal+0x6e0/0xd90
[ 263.734563][ T5531] kobject_init_and_add+0x128/0x190
[ 263.739865][ T5531] ? lockdep_softirqs_off+0x430/0x430
[ 263.745441][ T5531] ? kobject_add+0x230/0x230
[ 263.750136][ T5531] ? __init_swait_queue_head+0xa5/0x150
[ 263.756176][ T5531] gfs2_sys_fs_add+0x24f/0x4b0
[ 263.761106][ T5531] ? gfs2_recover_set+0x240/0x240
[ 263.766394][ T5531] ? snprintf+0xe5/0x140
[ 263.771205][ T5531] ? __free_pages+0x95/0x1a0
[ 263.776361][ T5531] ? vscnprintf+0x80/0x80
[ 263.781000][ T5531] gfs2_fill_super+0x120f/0x1f00
[ 263.786219][ T5531] ? gfs2_reconfigure+0xd30/0xd30
[ 263.791545][ T5531] ? sb_set_blocksize+0xa5/0xe0
[ 263.796603][ T5531] get_tree_bdev+0x3f1/0x610
[ 263.801415][ T5531] ? gfs2_reconfigure+0xd30/0xd30
[ 263.806942][ T5531] gfs2_get_tree+0x4d/0x1e0
[ 263.811786][ T5531] vfs_get_tree+0x88/0x270
[ 263.816728][ T5531] do_new_mount+0x24a/0xa40
[ 263.821963][ T5531] __se_sys_mount+0x2e3/0x3d0
[ 263.826858][ T5531] ? __x64_sys_mount+0xc0/0xc0
[ 263.832127][ T5531] ? lockdep_hardirqs_on+0x94/0x140
[ 263.837850][ T5531] ? __x64_sys_mount+0x1c/0xc0
[ 263.843177][ T5531] do_syscall_64+0x4c/0xa0
[ 263.848638][ T5531] ? clear_bhb_loop+0x30/0x80
[ 263.853754][ T5531] ? clear_bhb_loop+0x30/0x80
[ 263.858563][ T5531] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 263.864642][ T5531] RIP: 0033:0x7fc4c195860a
[ 263.869873][ T5531] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 263.891472][ T5531] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.900981][ T5531] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 263.909832][ T5531] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 263.918749][ T5531] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 263.928992][ T5531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 263.938024][ T5531] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 263.946968][ T5531]
[ 263.951929][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.966579][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.280714][ T5533] loop1: detected capacity change from 0 to 32768
[ 264.328770][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.337868][ T5533] CPU: 1 PID: 5533 Comm: syz.1.219 Not tainted syzkaller #0
[ 264.346455][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 264.358493][ T5533] Call Trace:
[ 264.362790][ T5533]
[ 264.368571][ T5533] dump_stack_lvl+0x188/0x250
[ 264.374977][ T5533] ? show_regs_print_info+0x20/0x20
[ 264.381854][ T5533] ? load_image+0x400/0x400
[ 264.387281][ T5533] sysfs_create_dir_ns+0x26a/0x290
[ 264.392789][ T5533] ? sysfs_warn_dup+0xa0/0xa0
[ 264.398961][ T5533] ? do_raw_spin_unlock+0x11d/0x230
[ 264.406028][ T5533] kobject_add_internal+0x6e0/0xd90
[ 264.412336][ T5533] kobject_init_and_add+0x128/0x190
[ 264.418241][ T5533] ? lockdep_softirqs_off+0x430/0x430
[ 264.424265][ T5533] ? kobject_add+0x230/0x230
[ 264.430191][ T5533] ? __init_swait_queue_head+0xa5/0x150
[ 264.436288][ T5533] gfs2_sys_fs_add+0x24f/0x4b0
[ 264.441655][ T5533] ? gfs2_recover_set+0x240/0x240
[ 264.447890][ T5533] ? snprintf+0xe5/0x140
[ 264.453660][ T5533] ? __free_pages+0x95/0x1a0
[ 264.459082][ T5533] ? vscnprintf+0x80/0x80
[ 264.464867][ T5533] gfs2_fill_super+0x120f/0x1f00
[ 264.470091][ T5533] ? gfs2_reconfigure+0xd30/0xd30
[ 264.475832][ T5533] ? sb_set_blocksize+0xa5/0xe0
[ 264.481979][ T5533] get_tree_bdev+0x3f1/0x610
[ 264.486743][ T5533] ? gfs2_reconfigure+0xd30/0xd30
[ 264.492095][ T5533] gfs2_get_tree+0x4d/0x1e0
[ 264.497653][ T5533] vfs_get_tree+0x88/0x270
[ 264.502685][ T5533] do_new_mount+0x24a/0xa40
[ 264.507582][ T5533] __se_sys_mount+0x2e3/0x3d0
[ 264.512536][ T5533] ? __x64_sys_mount+0xc0/0xc0
[ 264.517743][ T5533] ? lockdep_hardirqs_on+0x94/0x140
[ 264.524546][ T5533] ? __x64_sys_mount+0x1c/0xc0
[ 264.529917][ T5533] do_syscall_64+0x4c/0xa0
[ 264.534658][ T5533] ? clear_bhb_loop+0x30/0x80
[ 264.539713][ T5533] ? clear_bhb_loop+0x30/0x80
[ 264.545121][ T5533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.551119][ T5533] RIP: 0033:0x7fc4c195860a
[ 264.556002][ T5533] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 264.577205][ T5533] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.585976][ T5533] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 264.594142][ T5533] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 264.602464][ T5533] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 264.611222][ T5533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 264.619736][ T5533] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 264.627898][ T5533]
[ 264.632416][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.646916][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.984857][ T5535] loop1: detected capacity change from 0 to 32768
[ 265.002182][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.010499][ T5535] CPU: 0 PID: 5535 Comm: syz.1.220 Not tainted syzkaller #0
[ 265.018161][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 265.029009][ T5535] Call Trace:
[ 265.032527][ T5535]
[ 265.035689][ T5535] dump_stack_lvl+0x188/0x250
[ 265.040821][ T5535] ? show_regs_print_info+0x20/0x20
[ 265.046620][ T5535] ? load_image+0x400/0x400
[ 265.051376][ T5535] sysfs_create_dir_ns+0x26a/0x290
[ 265.056583][ T5535] ? sysfs_warn_dup+0xa0/0xa0
[ 265.061688][ T5535] ? do_raw_spin_unlock+0x11d/0x230
[ 265.066885][ T5535] kobject_add_internal+0x6e0/0xd90
[ 265.072367][ T5535] kobject_init_and_add+0x128/0x190
[ 265.077828][ T5535] ? lockdep_softirqs_off+0x430/0x430
[ 265.083376][ T5535] ? kobject_add+0x230/0x230
[ 265.088136][ T5535] ? __init_swait_queue_head+0xa5/0x150
[ 265.094207][ T5535] gfs2_sys_fs_add+0x24f/0x4b0
[ 265.099320][ T5535] ? gfs2_recover_set+0x240/0x240
[ 265.104694][ T5535] ? snprintf+0xe5/0x140
[ 265.109362][ T5535] ? __free_pages+0x95/0x1a0
[ 265.113984][ T5535] ? vscnprintf+0x80/0x80
[ 265.118739][ T5535] gfs2_fill_super+0x120f/0x1f00
[ 265.124532][ T5535] ? gfs2_reconfigure+0xd30/0xd30
[ 265.130340][ T5535] ? sb_set_blocksize+0xa5/0xe0
[ 265.135578][ T5535] get_tree_bdev+0x3f1/0x610
[ 265.140169][ T5535] ? gfs2_reconfigure+0xd30/0xd30
[ 265.145930][ T5535] gfs2_get_tree+0x4d/0x1e0
[ 265.151093][ T5535] vfs_get_tree+0x88/0x270
[ 265.155783][ T5535] do_new_mount+0x24a/0xa40
[ 265.160455][ T5535] __se_sys_mount+0x2e3/0x3d0
[ 265.165717][ T5535] ? __x64_sys_mount+0xc0/0xc0
[ 265.171030][ T5535] ? lockdep_hardirqs_on+0x94/0x140
[ 265.176242][ T5535] ? __x64_sys_mount+0x1c/0xc0
[ 265.181906][ T5535] do_syscall_64+0x4c/0xa0
[ 265.186716][ T5535] ? clear_bhb_loop+0x30/0x80
[ 265.191485][ T5535] ? clear_bhb_loop+0x30/0x80
[ 265.196298][ T5535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 265.203481][ T5535] RIP: 0033:0x7fc4c195860a
[ 265.208069][ T5535] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 265.229538][ T5535] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.238121][ T5535] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 265.246369][ T5535] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 265.255340][ T5535] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 265.264309][ T5535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 265.273304][ T5535] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 265.282555][ T5535]
[ 265.286909][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.301552][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.640563][ T5537] loop1: detected capacity change from 0 to 32768
[ 265.707660][ T5537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.717564][ T5537] CPU: 1 PID: 5537 Comm: syz.1.221 Not tainted syzkaller #0
[ 265.725191][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 265.735348][ T5537] Call Trace:
[ 265.738741][ T5537]
[ 265.741680][ T5537] dump_stack_lvl+0x188/0x250
[ 265.746480][ T5537] ? show_regs_print_info+0x20/0x20
[ 265.751787][ T5537] ? load_image+0x400/0x400
[ 265.756584][ T5537] sysfs_create_dir_ns+0x26a/0x290
[ 265.761996][ T5537] ? sysfs_warn_dup+0xa0/0xa0
[ 265.766778][ T5537] ? do_raw_spin_unlock+0x11d/0x230
[ 265.772274][ T5537] kobject_add_internal+0x6e0/0xd90
[ 265.777630][ T5537] kobject_init_and_add+0x128/0x190
[ 265.783640][ T5537] ? lockdep_softirqs_off+0x430/0x430
[ 265.789887][ T5537] ? kobject_add+0x230/0x230
[ 265.794499][ T5537] ? __init_swait_queue_head+0xa5/0x150
[ 265.800043][ T5537] gfs2_sys_fs_add+0x24f/0x4b0
[ 265.804983][ T5537] ? gfs2_recover_set+0x240/0x240
[ 265.810228][ T5537] ? snprintf+0xe5/0x140
[ 265.814839][ T5537] ? __free_pages+0x95/0x1a0
[ 265.819613][ T5537] ? vscnprintf+0x80/0x80
[ 265.824161][ T5537] gfs2_fill_super+0x120f/0x1f00
[ 265.829551][ T5537] ? gfs2_reconfigure+0xd30/0xd30
[ 265.835378][ T5537] ? sb_set_blocksize+0xa5/0xe0
[ 265.841217][ T5537] get_tree_bdev+0x3f1/0x610
[ 265.846399][ T5537] ? gfs2_reconfigure+0xd30/0xd30
[ 265.851744][ T5537] gfs2_get_tree+0x4d/0x1e0
[ 265.856684][ T5537] vfs_get_tree+0x88/0x270
[ 265.861390][ T5537] do_new_mount+0x24a/0xa40
[ 265.866178][ T5537] __se_sys_mount+0x2e3/0x3d0
[ 265.871071][ T5537] ? __x64_sys_mount+0xc0/0xc0
[ 265.876679][ T5537] ? lockdep_hardirqs_on+0x94/0x140
[ 265.882758][ T5537] ? __x64_sys_mount+0x1c/0xc0
[ 265.887699][ T5537] do_syscall_64+0x4c/0xa0
[ 265.892533][ T5537] ? clear_bhb_loop+0x30/0x80
[ 265.897514][ T5537] ? clear_bhb_loop+0x30/0x80
[ 265.902384][ T5537] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 265.909313][ T5537] RIP: 0033:0x7fc4c195860a
[ 265.914027][ T5537] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 265.934441][ T5537] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.943413][ T5537] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 265.952208][ T5537] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 265.960324][ T5537] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 265.968551][ T5537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 265.976782][ T5537] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 265.985197][ T5537]
[ 265.991950][ T5537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.007753][ T5537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.338707][ T5539] loop1: detected capacity change from 0 to 32768
[ 266.360176][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.369175][ T5539] CPU: 0 PID: 5539 Comm: syz.1.222 Not tainted syzkaller #0
[ 266.377384][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 266.388816][ T5539] Call Trace:
[ 266.392374][ T5539]
[ 266.395412][ T5539] dump_stack_lvl+0x188/0x250
[ 266.400460][ T5539] ? show_regs_print_info+0x20/0x20
[ 266.406233][ T5539] ? load_image+0x400/0x400
[ 266.410944][ T5539] sysfs_create_dir_ns+0x26a/0x290
[ 266.416604][ T5539] ? sysfs_warn_dup+0xa0/0xa0
[ 266.421667][ T5539] ? do_raw_spin_unlock+0x11d/0x230
[ 266.427379][ T5539] kobject_add_internal+0x6e0/0xd90
[ 266.433555][ T5539] kobject_init_and_add+0x128/0x190
[ 266.439275][ T5539] ? lockdep_softirqs_off+0x430/0x430
[ 266.445150][ T5539] ? kobject_add+0x230/0x230
[ 266.449996][ T5539] ? __init_swait_queue_head+0xa5/0x150
[ 266.455990][ T5539] gfs2_sys_fs_add+0x24f/0x4b0
[ 266.461121][ T5539] ? gfs2_recover_set+0x240/0x240
[ 266.466418][ T5539] ? snprintf+0xe5/0x140
[ 266.470767][ T5539] ? __free_pages+0x95/0x1a0
[ 266.475381][ T5539] ? vscnprintf+0x80/0x80
[ 266.480084][ T5539] gfs2_fill_super+0x120f/0x1f00
[ 266.485305][ T5539] ? gfs2_reconfigure+0xd30/0xd30
[ 266.491070][ T5539] ? sb_set_blocksize+0xa5/0xe0
[ 266.496264][ T5539] get_tree_bdev+0x3f1/0x610
[ 266.501607][ T5539] ? gfs2_reconfigure+0xd30/0xd30
[ 266.507276][ T5539] gfs2_get_tree+0x4d/0x1e0
[ 266.512089][ T5539] vfs_get_tree+0x88/0x270
[ 266.516695][ T5539] do_new_mount+0x24a/0xa40
[ 266.521991][ T5539] __se_sys_mount+0x2e3/0x3d0
[ 266.526903][ T5539] ? __x64_sys_mount+0xc0/0xc0
[ 266.531770][ T5539] ? lockdep_hardirqs_on+0x94/0x140
[ 266.537654][ T5539] ? __x64_sys_mount+0x1c/0xc0
[ 266.542854][ T5539] do_syscall_64+0x4c/0xa0
[ 266.547572][ T5539] ? clear_bhb_loop+0x30/0x80
[ 266.552514][ T5539] ? clear_bhb_loop+0x30/0x80
[ 266.557655][ T5539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 266.563738][ T5539] RIP: 0033:0x7fc4c195860a
[ 266.568398][ T5539] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 266.588894][ T5539] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.597739][ T5539] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 266.605833][ T5539] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 266.613978][ T5539] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 266.622700][ T5539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 266.631370][ T5539] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 266.639762][ T5539]
[ 266.644503][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.658543][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.978440][ T5541] loop1: detected capacity change from 0 to 32768
[ 266.990124][ T5541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.998790][ T5541] CPU: 0 PID: 5541 Comm: syz.1.223 Not tainted syzkaller #0
[ 267.006460][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 267.016980][ T5541] Call Trace:
[ 267.020373][ T5541]
[ 267.023581][ T5541] dump_stack_lvl+0x188/0x250
[ 267.028460][ T5541] ? show_regs_print_info+0x20/0x20
[ 267.033947][ T5541] ? load_image+0x400/0x400
[ 267.038866][ T5541] sysfs_create_dir_ns+0x26a/0x290
[ 267.044247][ T5541] ? sysfs_warn_dup+0xa0/0xa0
[ 267.049125][ T5541] ? do_raw_spin_unlock+0x11d/0x230
[ 267.054693][ T5541] kobject_add_internal+0x6e0/0xd90
[ 267.060438][ T5541] kobject_init_and_add+0x128/0x190
[ 267.066248][ T5541] ? lockdep_softirqs_off+0x430/0x430
[ 267.071699][ T5541] ? kobject_add+0x230/0x230
[ 267.076476][ T5541] ? __init_swait_queue_head+0xa5/0x150
[ 267.082271][ T5541] gfs2_sys_fs_add+0x24f/0x4b0
[ 267.087230][ T5541] ? gfs2_recover_set+0x240/0x240
[ 267.092625][ T5541] ? snprintf+0xe5/0x140
[ 267.098130][ T5541] ? __free_pages+0x95/0x1a0
[ 267.103087][ T5541] ? vscnprintf+0x80/0x80
[ 267.107773][ T5541] gfs2_fill_super+0x120f/0x1f00
[ 267.113117][ T5541] ? gfs2_reconfigure+0xd30/0xd30
[ 267.118446][ T5541] ? sb_set_blocksize+0xa5/0xe0
[ 267.123505][ T5541] get_tree_bdev+0x3f1/0x610
[ 267.128446][ T5541] ? gfs2_reconfigure+0xd30/0xd30
[ 267.133561][ T5541] gfs2_get_tree+0x4d/0x1e0
[ 267.138443][ T5541] vfs_get_tree+0x88/0x270
[ 267.143233][ T5541] do_new_mount+0x24a/0xa40
[ 267.148028][ T5541] __se_sys_mount+0x2e3/0x3d0
[ 267.153081][ T5541] ? __x64_sys_mount+0xc0/0xc0
[ 267.158379][ T5541] ? lockdep_hardirqs_on+0x94/0x140
[ 267.164219][ T5541] ? __x64_sys_mount+0x1c/0xc0
[ 267.169280][ T5541] do_syscall_64+0x4c/0xa0
[ 267.174013][ T5541] ? clear_bhb_loop+0x30/0x80
[ 267.179028][ T5541] ? clear_bhb_loop+0x30/0x80
[ 267.184078][ T5541] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.190313][ T5541] RIP: 0033:0x7fc4c195860a
[ 267.195075][ T5541] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 267.215737][ T5541] RSP: 002b:00007fc4c0fbae58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.224760][ T5541] RAX: ffffffffffffffda RBX: 00007fc4c0fbaee0 RCX: 00007fc4c195860a
[ 267.233180][ T5541] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc4c0fbaea0
[ 267.241748][ T5541] RBP: 0000200000000400 R08: 00007fc4c0fbaee0 R09: 0000000000000000
[ 267.250594][ T5541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 267.258792][ T5541] R13: 00007fc4c0fbaea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 267.267131][ T5541]
[ 267.271848][ T5541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.286011][ T5541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.305268][ T27] INFO: task syz.0.17:5101 blocked for more than 143 seconds.
[ 267.313323][ T27] Not tainted syzkaller #0
[ 267.318330][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 267.327522][ T27] task:syz.0.17 state:D stack:23992 pid: 5101 ppid: 4863 flags:0x00004004
[ 267.337151][ T27] Call Trace:
[ 267.341286][ T27]
[ 267.344486][ T27] __schedule+0x11ef/0x43c0
[ 267.349354][ T27] ? mark_lock+0x94/0x320
[ 267.354248][ T27] ? lock_chain_count+0x20/0x20
[ 267.359305][ T27] ? release_firmware_map_entry+0x190/0x190
[ 267.366395][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 267.372569][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 267.378531][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 267.385445][ T27] schedule+0x11b/0x1e0
[ 267.390333][ T27] bit_wait+0xd/0xc0
[ 267.394531][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 267.400360][ T27] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 267.407049][ T27] ? __wait_on_bit+0x170/0x170
[ 267.412103][ T27] ? bit_waitqueue+0x30/0x30
[ 267.417388][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 267.422366][ T27] gfs2_statfs_init+0x11f/0x4d0
[ 267.428241][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 267.433647][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 267.439453][ T27] ? init_per_node+0x2cb/0x3e0
[ 267.445103][ T27] ? gfs2_statfs_init+0x117/0x4d0
[ 267.450590][ T27] ? init_inodes+0x26a/0x320
[ 267.455923][ T27] gfs2_fill_super+0x16fc/0x1f00
[ 267.461088][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 267.466279][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 267.471640][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 267.476810][ T27] get_tree_bdev+0x3f1/0x610
[ 267.481591][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 267.487642][ T27] gfs2_get_tree+0x4d/0x1e0
[ 267.492178][ T27] vfs_get_tree+0x88/0x270
[ 267.496814][ T27] do_new_mount+0x24a/0xa40
[ 267.501337][ T27] __se_sys_mount+0x2e3/0x3d0
[ 267.506490][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 267.512043][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 267.517497][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 267.522480][ T27] do_syscall_64+0x4c/0xa0
[ 267.527503][ T27] ? clear_bhb_loop+0x30/0x80
[ 267.533063][ T27] ? clear_bhb_loop+0x30/0x80
[ 267.538159][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.544283][ T27] RIP: 0033:0x7f628651b60a
[ 267.548847][ T27] RSP: 002b:00007f6285b7de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.557535][ T27] RAX: ffffffffffffffda RBX: 00007f6285b7dee0 RCX: 00007f628651b60a
[ 267.566194][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6285b7dea0
[ 267.574516][ T27] RBP: 0000200000000400 R08: 00007f6285b7dee0 R09: 0000000000000000
[ 267.582814][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 267.591347][ T27] R13: 00007f6285b7dea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 267.599972][ T27]
[ 267.603140][ T27]
[ 267.603140][ T27] Showing all locks held in the system:
[ 267.612109][ T27] 2 locks held by kworker/u4:0/9:
[ 267.618115][ T27] #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 267.628762][ T27] #1: ffff8880b9127888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x499/0x7d0
[ 267.640939][ T27] 1 lock held by khungtaskd/27:
[ 267.645879][ T27] #0: ffffffff8c31eb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 267.656127][ T27] 2 locks held by getty/3949:
[ 267.661247][ T27] #0: ffff88807f481098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 267.672192][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[ 267.683876][ T27] 1 lock held by syz.0.17/5101:
[ 267.689348][ T27] #0: ffff8880798be0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 267.700595][ T27] 1 lock held by syz.1.223/5541:
[ 267.710083][ T27] #0: ffff8881478e2468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[ 267.719740][ T27]
[ 267.722425][ T27] =============================================
[ 267.722425][ T27]
[ 267.731472][ T27] NMI backtrace for cpu 0
[ 267.736171][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 267.743558][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 267.753883][ T27] Call Trace:
[ 267.757625][ T27]
[ 267.760584][ T27] dump_stack_lvl+0x188/0x250
[ 267.765469][ T27] ? show_regs_print_info+0x20/0x20
[ 267.770836][ T27] ? load_image+0x400/0x400
[ 267.775448][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 267.781204][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 267.786340][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 267.792507][ T27] ? _printk+0xda/0x130
[ 267.796784][ T27] ? load_image+0x400/0x400
[ 267.801486][ T27] ? load_image+0x400/0x400
[ 267.806294][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 267.812911][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 267.819642][ T27] watchdog+0xe0f/0xe50
[ 267.824593][ T27] kthread+0x436/0x520
[ 267.829495][ T27] ? hungtask_pm_notify+0x40/0x40
[ 267.834794][ T27] ? kthread_blkcg+0xd0/0xd0
[ 267.840000][ T27] ret_from_fork+0x1f/0x30
[ 267.844720][ T27]
[ 267.848194][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 267.854153][ C1] NMI backtrace for cpu 1
[ 267.854167][ C1] CPU: 1 PID: 4259 Comm: kworker/1:10 Not tainted syzkaller #0
[ 267.854185][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 267.854195][ C1] Workqueue: rcu_gp process_srcu
[ 267.854214][ C1] RIP: 0010:in_lock_functions+0x11/0x20
[ 267.854232][ C1] Code: 38 c1 0f 8c 77 ff ff ff 48 c7 c7 40 56 21 92 e8 f5 10 60 00 e9 66 ff ff ff 48 81 ff 70 34 c6 89 0f 93 c0 48 81 ff be 44 c6 89 <0f> 92 c1 20 c1 0f b6 c1 c3 00 00 cc cc 00 00 55 41 57 41 56 41 55
[ 267.854245][ C1] RSP: 0018:ffffc900010ffa98 EFLAGS: 00000297
[ 267.854258][ C1] RAX: 0000000000000000 RBX: ffffffff8409d081 RCX: ffffffff962dbf03
[ 267.854270][ C1] RDX: 000000000000008d RSI: ffffffff8a79fde0 RDI: ffffffff8409d081
[ 267.854282][ C1] RBP: 0000000000000001 R08: ffffc900010ff927 R09: 1ffff9200021ff24
[ 267.854293][ C1] R10: dffffc0000000000 R11: fffff5200021ff25 R12: dffffc0000000000
[ 267.854305][ C1] R13: ffffffff96346800 R14: 0000008d7dc6838a R15: dffffc0000000000
[ 267.854317][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 267.854332][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 267.854344][ C1] CR2: 00007fcfc4561000 CR3: 0000000025199000 CR4: 00000000003506e0
[ 267.854358][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 267.854368][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 267.854378][ C1] Call Trace:
[ 267.854384][ C1]
[ 267.854390][ C1] preempt_count_add+0x8d/0x190
[ 267.854409][ C1] delay_tsc+0x61/0xc0
[ 267.854427][ C1] try_check_zero+0x2c7/0x340
[ 267.854444][ C1] process_srcu+0x195/0xc10
[ 267.854460][ C1] ? read_lock_is_recursive+0x10/0x10
[ 267.854477][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 267.854493][ C1] ? _raw_spin_unlock+0x40/0x40
[ 267.854509][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 267.854525][ C1] process_one_work+0x85f/0x1010
[ 267.854548][ C1] ? worker_detach_from_pool+0x240/0x240
[ 267.854563][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 267.854582][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 267.854597][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 267.854613][ C1] ? wq_worker_running+0x97/0x170
[ 267.854628][ C1] worker_thread+0xaa6/0x1290
[ 267.854648][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 267.854664][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 267.854683][ C1] kthread+0x436/0x520
[ 267.854697][ C1] ? rcu_lock_release+0x20/0x20
[ 267.854711][ C1] ? kthread_blkcg+0xd0/0xd0
[ 267.854726][ C1] ret_from_fork+0x1f/0x30
[ 267.854748][ C1]
[ 267.857081][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 268.131173][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 268.138651][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 268.149813][ T27] Call Trace:
[ 268.153292][ T27]
[ 268.156352][ T27] dump_stack_lvl+0x188/0x250
[ 268.161929][ T27] ? show_regs_print_info+0x20/0x20
[ 268.167489][ T27] ? load_image+0x400/0x400
[ 268.172188][ T27] panic+0x2e5/0x810
[ 268.176193][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 268.182197][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 268.186900][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 268.187752][ T5543] loop1: detected capacity change from 0 to 32768
[ 268.192945][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 268.206386][ T27] watchdog+0xe4e/0xe50
[ 268.211019][ T27] kthread+0x436/0x520
[ 268.215192][ T27] ? hungtask_pm_notify+0x40/0x40
[ 268.216416][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.220336][ T27] ? kthread_blkcg+0xd0/0xd0
[ 268.232919][ T27] ret_from_fork+0x1f/0x30
[ 268.237654][ T27]
[ 268.241330][ T27] Kernel Offset: disabled
[ 268.245774][ T27] Rebooting in 86400 seconds..