detected capacity change from 0 to 32768
[ 262.511987][ T4623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.519790][ T4623] CPU: 0 PID: 4623 Comm: syz.1.180 Not tainted syzkaller #0
[ 262.527133][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 262.537322][ T4623] Call Trace:
[ 262.540647][ T4623]
[ 262.543616][ T4623] dump_stack_lvl+0x188/0x24e
[ 262.548444][ T4623] ? show_regs_print_info+0x12/0x12
[ 262.553697][ T4623] ? load_image+0x400/0x400
[ 262.558262][ T4623] sysfs_create_dir_ns+0x26a/0x290
[ 262.563425][ T4623] ? sysfs_warn_dup+0xa0/0xa0
[ 262.568145][ T4623] ? do_raw_spin_unlock+0x11d/0x230
[ 262.573384][ T4623] kobject_add_internal+0x61c/0xcc0
[ 262.578630][ T4623] kobject_init_and_add+0x128/0x190
[ 262.583870][ T4623] ? lockdep_softirqs_off+0x430/0x430
[ 262.589296][ T4623] ? kobject_add+0x230/0x230
[ 262.593942][ T4623] ? __init_swait_queue_head+0xa5/0x150
[ 262.599555][ T4623] gfs2_sys_fs_add+0x24f/0x4b0
[ 262.604393][ T4623] ? gfs2_recover_set+0x240/0x240
[ 262.609472][ T4623] ? snprintf+0xe5/0x140
[ 262.613774][ T4623] ? vscnprintf+0x80/0x80
[ 262.618160][ T4623] gfs2_fill_super+0x128c/0x1fb0
[ 262.623156][ T4623] ? gfs2_reconfigure+0xd30/0xd30
[ 262.628231][ T4623] ? sb_set_blocksize+0xa5/0xe0
[ 262.633227][ T4623] get_tree_bdev+0x3f1/0x610
[ 262.637861][ T4623] ? gfs2_reconfigure+0xd30/0xd30
[ 262.642931][ T4623] gfs2_get_tree+0x4d/0x1e0
[ 262.647647][ T4623] vfs_get_tree+0x88/0x270
[ 262.652203][ T4623] do_new_mount+0x24a/0xa40
[ 262.656759][ T4623] __se_sys_mount+0x2e3/0x3d0
[ 262.661485][ T4623] ? __x64_sys_mount+0xc0/0xc0
[ 262.666991][ T4623] ? lockdep_hardirqs_on+0x94/0x140
[ 262.672413][ T4623] ? __x64_sys_mount+0x1c/0xc0
[ 262.677195][ T4623] do_syscall_64+0x4c/0xa0
[ 262.681728][ T4623] ? clear_bhb_loop+0x60/0xb0
[ 262.686407][ T4623] ? clear_bhb_loop+0x60/0xb0
[ 262.691120][ T4623] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 262.697316][ T4623] RIP: 0033:0x7f8572d9e04a
[ 262.701736][ T4623] 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
[ 262.722398][ T4623] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.731095][ T4623] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 262.739139][ T4623] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 262.747214][ T4623] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 262.755213][ T4623] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 262.763370][ T4623] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 262.771530][ T4623]
[ 262.775375][ T4623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.790945][ T4623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.128386][ T4624] loop1: detected capacity change from 0 to 32768
[ 263.152152][ T4624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.159812][ T4624] CPU: 0 PID: 4624 Comm: syz.1.181 Not tainted syzkaller #0
[ 263.167138][ T4624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 263.177585][ T4624] Call Trace:
[ 263.180912][ T4624]
[ 263.184016][ T4624] dump_stack_lvl+0x188/0x24e
[ 263.188898][ T4624] ? show_regs_print_info+0x12/0x12
[ 263.194153][ T4624] ? load_image+0x400/0x400
[ 263.198722][ T4624] sysfs_create_dir_ns+0x26a/0x290
[ 263.203883][ T4624] ? sysfs_warn_dup+0xa0/0xa0
[ 263.208608][ T4624] ? do_raw_spin_unlock+0x11d/0x230
[ 263.213862][ T4624] kobject_add_internal+0x61c/0xcc0
[ 263.219108][ T4624] kobject_init_and_add+0x128/0x190
[ 263.224442][ T4624] ? lockdep_softirqs_off+0x430/0x430
[ 263.230205][ T4624] ? kobject_add+0x230/0x230
[ 263.234847][ T4624] ? __init_swait_queue_head+0xa5/0x150
[ 263.240449][ T4624] gfs2_sys_fs_add+0x24f/0x4b0
[ 263.245256][ T4624] ? gfs2_recover_set+0x240/0x240
[ 263.250377][ T4624] ? snprintf+0xe5/0x140
[ 263.254878][ T4624] ? vscnprintf+0x80/0x80
[ 263.259270][ T4624] gfs2_fill_super+0x128c/0x1fb0
[ 263.264355][ T4624] ? gfs2_reconfigure+0xd30/0xd30
[ 263.269495][ T4624] ? sb_set_blocksize+0xa5/0xe0
[ 263.274396][ T4624] get_tree_bdev+0x3f1/0x610
[ 263.279208][ T4624] ? gfs2_reconfigure+0xd30/0xd30
[ 263.284369][ T4624] gfs2_get_tree+0x4d/0x1e0
[ 263.289007][ T4624] vfs_get_tree+0x88/0x270
[ 263.293465][ T4624] do_new_mount+0x24a/0xa40
[ 263.298015][ T4624] __se_sys_mount+0x2e3/0x3d0
[ 263.302757][ T4624] ? __x64_sys_mount+0xc0/0xc0
[ 263.307657][ T4624] ? lockdep_hardirqs_on+0x94/0x140
[ 263.313075][ T4624] ? __x64_sys_mount+0x1c/0xc0
[ 263.317975][ T4624] do_syscall_64+0x4c/0xa0
[ 263.322437][ T4624] ? clear_bhb_loop+0x60/0xb0
[ 263.327236][ T4624] ? clear_bhb_loop+0x60/0xb0
[ 263.331993][ T4624] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 263.338114][ T4624] RIP: 0033:0x7f8572d9e04a
[ 263.342540][ T4624] 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
[ 263.362410][ T4624] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.370849][ T4624] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 263.379029][ T4624] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 263.387107][ T4624] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 263.395084][ T4624] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 263.403124][ T4624] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 263.411278][ T4624]
[ 263.415821][ T4624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.429290][ T4624] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.783906][ T4625] loop1: detected capacity change from 0 to 32768
[ 263.803406][ T4625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.810848][ T4625] CPU: 0 PID: 4625 Comm: syz.1.182 Not tainted syzkaller #0
[ 263.818282][ T4625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 263.828638][ T4625] Call Trace:
[ 263.832045][ T4625]
[ 263.835139][ T4625] dump_stack_lvl+0x188/0x24e
[ 263.839877][ T4625] ? show_regs_print_info+0x12/0x12
[ 263.845140][ T4625] ? load_image+0x400/0x400
[ 263.849795][ T4625] sysfs_create_dir_ns+0x26a/0x290
[ 263.854976][ T4625] ? sysfs_warn_dup+0xa0/0xa0
[ 263.859716][ T4625] ? do_raw_spin_unlock+0x11d/0x230
[ 263.864966][ T4625] kobject_add_internal+0x61c/0xcc0
[ 263.870311][ T4625] kobject_init_and_add+0x128/0x190
[ 263.875572][ T4625] ? lockdep_softirqs_off+0x430/0x430
[ 263.881008][ T4625] ? kobject_add+0x230/0x230
[ 263.885649][ T4625] ? __init_swait_queue_head+0xa5/0x150
[ 263.893875][ T4625] gfs2_sys_fs_add+0x24f/0x4b0
[ 263.898685][ T4625] ? gfs2_recover_set+0x240/0x240
[ 263.903754][ T4625] ? snprintf+0xe5/0x140
[ 263.908028][ T4625] ? vscnprintf+0x80/0x80
[ 263.912402][ T4625] gfs2_fill_super+0x128c/0x1fb0
[ 263.917462][ T4625] ? gfs2_reconfigure+0xd30/0xd30
[ 263.922512][ T4625] ? sb_set_blocksize+0xa5/0xe0
[ 263.927437][ T4625] get_tree_bdev+0x3f1/0x610
[ 263.932170][ T4625] ? gfs2_reconfigure+0xd30/0xd30
[ 263.937445][ T4625] gfs2_get_tree+0x4d/0x1e0
[ 263.941996][ T4625] vfs_get_tree+0x88/0x270
[ 263.946433][ T4625] do_new_mount+0x24a/0xa40
[ 263.950962][ T4625] __se_sys_mount+0x2e3/0x3d0
[ 263.955663][ T4625] ? __x64_sys_mount+0xc0/0xc0
[ 263.960444][ T4625] ? lockdep_hardirqs_on+0x94/0x140
[ 263.965766][ T4625] ? __x64_sys_mount+0x1c/0xc0
[ 263.970559][ T4625] do_syscall_64+0x4c/0xa0
[ 263.975010][ T4625] ? clear_bhb_loop+0x60/0xb0
[ 263.979706][ T4625] ? clear_bhb_loop+0x60/0xb0
[ 263.984412][ T4625] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 263.990413][ T4625] RIP: 0033:0x7f8572d9e04a
[ 263.994873][ T4625] 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
[ 264.014756][ T4625] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.023278][ T4625] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 264.031266][ T4625] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 264.039335][ T4625] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 264.047319][ T4625] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 264.055316][ T4625] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 264.063577][ T4625]
[ 264.073003][ T4625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.087381][ T4625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.429550][ T4626] loop1: detected capacity change from 0 to 32768
[ 264.444563][ T4626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.452252][ T4626] CPU: 0 PID: 4626 Comm: syz.1.183 Not tainted syzkaller #0
[ 264.459592][ T4626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 264.469758][ T4626] Call Trace:
[ 264.473165][ T4626]
[ 264.476230][ T4626] dump_stack_lvl+0x188/0x24e
[ 264.481058][ T4626] ? show_regs_print_info+0x12/0x12
[ 264.486398][ T4626] ? load_image+0x400/0x400
[ 264.491064][ T4626] sysfs_create_dir_ns+0x26a/0x290
[ 264.496231][ T4626] ? sysfs_warn_dup+0xa0/0xa0
[ 264.501050][ T4626] ? do_raw_spin_unlock+0x11d/0x230
[ 264.506401][ T4626] kobject_add_internal+0x61c/0xcc0
[ 264.511751][ T4626] kobject_init_and_add+0x128/0x190
[ 264.517016][ T4626] ? lockdep_softirqs_off+0x430/0x430
[ 264.522533][ T4626] ? kobject_add+0x230/0x230
[ 264.527266][ T4626] ? __init_swait_queue_head+0xa5/0x150
[ 264.532871][ T4626] gfs2_sys_fs_add+0x24f/0x4b0
[ 264.537735][ T4626] ? gfs2_recover_set+0x240/0x240
[ 264.542890][ T4626] ? snprintf+0xe5/0x140
[ 264.547232][ T4626] ? vscnprintf+0x80/0x80
[ 264.551586][ T4626] gfs2_fill_super+0x128c/0x1fb0
[ 264.556550][ T4626] ? gfs2_reconfigure+0xd30/0xd30
[ 264.561602][ T4626] ? sb_set_blocksize+0xa5/0xe0
[ 264.566563][ T4626] get_tree_bdev+0x3f1/0x610
[ 264.571304][ T4626] ? gfs2_reconfigure+0xd30/0xd30
[ 264.576509][ T4626] gfs2_get_tree+0x4d/0x1e0
[ 264.581104][ T4626] vfs_get_tree+0x88/0x270
[ 264.585724][ T4626] do_new_mount+0x24a/0xa40
[ 264.590592][ T4626] __se_sys_mount+0x2e3/0x3d0
[ 264.595416][ T4626] ? __x64_sys_mount+0xc0/0xc0
[ 264.600195][ T4626] ? lockdep_hardirqs_on+0x94/0x140
[ 264.605408][ T4626] ? __x64_sys_mount+0x1c/0xc0
[ 264.610180][ T4626] do_syscall_64+0x4c/0xa0
[ 264.614699][ T4626] ? clear_bhb_loop+0x60/0xb0
[ 264.619478][ T4626] ? clear_bhb_loop+0x60/0xb0
[ 264.624264][ T4626] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 264.630360][ T4626] RIP: 0033:0x7f8572d9e04a
[ 264.634789][ T4626] 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
[ 264.654497][ T4626] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.663000][ T4626] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 264.671179][ T4626] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 264.679292][ T4626] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 264.687273][ T4626] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 264.695294][ T4626] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 264.705898][ T4626]
[ 264.709692][ T4626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.723078][ T4626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.092569][ T4627] loop1: detected capacity change from 0 to 32768
[ 265.119168][ T4627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.126750][ T4627] CPU: 0 PID: 4627 Comm: syz.1.184 Not tainted syzkaller #0
[ 265.134102][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 265.144221][ T4627] Call Trace:
[ 265.147551][ T4627]
[ 265.150611][ T4627] dump_stack_lvl+0x188/0x24e
[ 265.155616][ T4627] ? show_regs_print_info+0x12/0x12
[ 265.161039][ T4627] ? load_image+0x400/0x400
[ 265.165609][ T4627] sysfs_create_dir_ns+0x26a/0x290
[ 265.170855][ T4627] ? sysfs_warn_dup+0xa0/0xa0
[ 265.175677][ T4627] ? do_raw_spin_unlock+0x11d/0x230
[ 265.180897][ T4627] kobject_add_internal+0x61c/0xcc0
[ 265.186644][ T4627] kobject_init_and_add+0x128/0x190
[ 265.191984][ T4627] ? lockdep_softirqs_off+0x430/0x430
[ 265.197469][ T4627] ? kobject_add+0x230/0x230
[ 265.202164][ T4627] ? __init_swait_queue_head+0xa5/0x150
[ 265.207818][ T4627] gfs2_sys_fs_add+0x24f/0x4b0
[ 265.212607][ T4627] ? gfs2_recover_set+0x240/0x240
[ 265.217668][ T4627] ? snprintf+0xe5/0x140
[ 265.222102][ T4627] ? vscnprintf+0x80/0x80
[ 265.226542][ T4627] gfs2_fill_super+0x128c/0x1fb0
[ 265.231605][ T4627] ? gfs2_reconfigure+0xd30/0xd30
[ 265.236671][ T4627] ? sb_set_blocksize+0xa5/0xe0
[ 265.241729][ T4627] get_tree_bdev+0x3f1/0x610
[ 265.246338][ T4627] ? gfs2_reconfigure+0xd30/0xd30
[ 265.251552][ T4627] gfs2_get_tree+0x4d/0x1e0
[ 265.256207][ T4627] vfs_get_tree+0x88/0x270
[ 265.260754][ T4627] do_new_mount+0x24a/0xa40
[ 265.265289][ T4627] __se_sys_mount+0x2e3/0x3d0
[ 265.270169][ T4627] ? __x64_sys_mount+0xc0/0xc0
[ 265.275477][ T4627] ? lockdep_hardirqs_on+0x94/0x140
[ 265.280867][ T4627] ? __x64_sys_mount+0x1c/0xc0
[ 265.285738][ T4627] do_syscall_64+0x4c/0xa0
[ 265.290189][ T4627] ? clear_bhb_loop+0x60/0xb0
[ 265.294895][ T4627] ? clear_bhb_loop+0x60/0xb0
[ 265.299593][ T4627] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 265.305686][ T4627] RIP: 0033:0x7f8572d9e04a
[ 265.310132][ T4627] 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
[ 265.330473][ T4627] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.338922][ T4627] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 265.347088][ T4627] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 265.355180][ T4627] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 265.363341][ T4627] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 265.371322][ T4627] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 265.379339][ T4627]
[ 265.388096][ T4627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.407457][ T4627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.726084][ T4628] loop1: detected capacity change from 0 to 32768
[ 265.745058][ T4628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.752832][ T4628] CPU: 1 PID: 4628 Comm: syz.1.185 Not tainted syzkaller #0
[ 265.760346][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 265.770545][ T4628] Call Trace:
[ 265.773866][ T4628]
[ 265.776842][ T4628] dump_stack_lvl+0x188/0x24e
[ 265.781700][ T4628] ? show_regs_print_info+0x12/0x12
[ 265.787018][ T4628] ? load_image+0x400/0x400
[ 265.791587][ T4628] sysfs_create_dir_ns+0x26a/0x290
[ 265.796951][ T4628] ? sysfs_warn_dup+0xa0/0xa0
[ 265.801679][ T4628] ? do_raw_spin_unlock+0x11d/0x230
[ 265.806922][ T4628] kobject_add_internal+0x61c/0xcc0
[ 265.812273][ T4628] kobject_init_and_add+0x128/0x190
[ 265.817492][ T4628] ? lockdep_softirqs_off+0x430/0x430
[ 265.823151][ T4628] ? kobject_add+0x230/0x230
[ 265.827854][ T4628] ? __init_swait_queue_head+0xa5/0x150
[ 265.833427][ T4628] gfs2_sys_fs_add+0x24f/0x4b0
[ 265.838228][ T4628] ? gfs2_recover_set+0x240/0x240
[ 265.843368][ T4628] ? snprintf+0xe5/0x140
[ 265.847726][ T4628] ? vscnprintf+0x80/0x80
[ 265.852172][ T4628] gfs2_fill_super+0x128c/0x1fb0
[ 265.858184][ T4628] ? gfs2_reconfigure+0xd30/0xd30
[ 265.863256][ T4628] ? sb_set_blocksize+0xa5/0xe0
[ 265.868138][ T4628] get_tree_bdev+0x3f1/0x610
[ 265.872749][ T4628] ? gfs2_reconfigure+0xd30/0xd30
[ 265.877873][ T4628] gfs2_get_tree+0x4d/0x1e0
[ 265.882584][ T4628] vfs_get_tree+0x88/0x270
[ 265.887070][ T4628] do_new_mount+0x24a/0xa40
[ 265.891703][ T4628] __se_sys_mount+0x2e3/0x3d0
[ 265.896583][ T4628] ? __x64_sys_mount+0xc0/0xc0
[ 265.901475][ T4628] ? lockdep_hardirqs_on+0x94/0x140
[ 265.906687][ T4628] ? __x64_sys_mount+0x1c/0xc0
[ 265.911467][ T4628] do_syscall_64+0x4c/0xa0
[ 265.916003][ T4628] ? clear_bhb_loop+0x60/0xb0
[ 265.920788][ T4628] ? clear_bhb_loop+0x60/0xb0
[ 265.925500][ T4628] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 265.931560][ T4628] RIP: 0033:0x7f8572d9e04a
[ 265.935990][ T4628] 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
[ 265.955612][ T4628] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.964123][ T4628] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 265.972457][ T4628] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 265.980530][ T4628] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 265.988513][ T4628] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 265.996594][ T4628] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 266.004603][ T4628]
[ 266.010604][ T4628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.033119][ T4628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.351876][ T4629] loop1: detected capacity change from 0 to 32768
[ 266.368039][ T4629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.375702][ T4629] CPU: 1 PID: 4629 Comm: syz.1.186 Not tainted syzkaller #0
[ 266.383052][ T4629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 266.393772][ T4629] Call Trace:
[ 266.397183][ T4629]
[ 266.400152][ T4629] dump_stack_lvl+0x188/0x24e
[ 266.404976][ T4629] ? show_regs_print_info+0x12/0x12
[ 266.410341][ T4629] ? load_image+0x400/0x400
[ 266.415003][ T4629] sysfs_create_dir_ns+0x26a/0x290
[ 266.420214][ T4629] ? sysfs_warn_dup+0xa0/0xa0
[ 266.425026][ T4629] ? do_raw_spin_unlock+0x11d/0x230
[ 266.430366][ T4629] kobject_add_internal+0x61c/0xcc0
[ 266.435694][ T4629] kobject_init_and_add+0x128/0x190
[ 266.441076][ T4629] ? lockdep_softirqs_off+0x430/0x430
[ 266.446519][ T4629] ? kobject_add+0x230/0x230
[ 266.451175][ T4629] ? __init_swait_queue_head+0xa5/0x150
[ 266.456792][ T4629] gfs2_sys_fs_add+0x24f/0x4b0
[ 266.461851][ T4629] ? gfs2_recover_set+0x240/0x240
[ 266.466907][ T4629] ? snprintf+0xe5/0x140
[ 266.471196][ T4629] ? vscnprintf+0x80/0x80
[ 266.475677][ T4629] gfs2_fill_super+0x128c/0x1fb0
[ 266.480739][ T4629] ? gfs2_reconfigure+0xd30/0xd30
[ 266.485793][ T4629] ? sb_set_blocksize+0xa5/0xe0
[ 266.490785][ T4629] get_tree_bdev+0x3f1/0x610
[ 266.495479][ T4629] ? gfs2_reconfigure+0xd30/0xd30
[ 266.500527][ T4629] gfs2_get_tree+0x4d/0x1e0
[ 266.505056][ T4629] vfs_get_tree+0x88/0x270
[ 266.509490][ T4629] do_new_mount+0x24a/0xa40
[ 266.514020][ T4629] __se_sys_mount+0x2e3/0x3d0
[ 266.518722][ T4629] ? __x64_sys_mount+0xc0/0xc0
[ 266.523562][ T4629] ? lockdep_hardirqs_on+0x94/0x140
[ 266.528896][ T4629] ? __x64_sys_mount+0x1c/0xc0
[ 266.533718][ T4629] do_syscall_64+0x4c/0xa0
[ 266.538173][ T4629] ? clear_bhb_loop+0x60/0xb0
[ 266.542875][ T4629] ? clear_bhb_loop+0x60/0xb0
[ 266.547569][ T4629] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 266.553500][ T4629] RIP: 0033:0x7f8572d9e04a
[ 266.558048][ T4629] 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
[ 266.577793][ T4629] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.586478][ T4629] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 266.594512][ T4629] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 266.602594][ T4629] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 266.610671][ T4629] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 266.618772][ T4629] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 266.626785][ T4629]
[ 266.633127][ T4629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.647504][ T4629] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 05:51:06 executed programs: 172
[ 267.018382][ T4630] loop1: detected capacity change from 0 to 32768
[ 267.026897][ T4630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.036940][ T4630] CPU: 0 PID: 4630 Comm: syz.1.187 Not tainted syzkaller #0
[ 267.044366][ T4630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 267.054443][ T4630] Call Trace:
[ 267.057973][ T4630]
[ 267.060907][ T4630] dump_stack_lvl+0x188/0x24e
[ 267.065622][ T4630] ? show_regs_print_info+0x12/0x12
[ 267.070878][ T4630] ? load_image+0x400/0x400
[ 267.075446][ T4630] sysfs_create_dir_ns+0x26a/0x290
[ 267.080703][ T4630] ? sysfs_warn_dup+0xa0/0xa0
[ 267.085445][ T4630] ? do_raw_spin_unlock+0x11d/0x230
[ 267.090705][ T4630] kobject_add_internal+0x61c/0xcc0
[ 267.096062][ T4630] kobject_init_and_add+0x128/0x190
[ 267.101403][ T4630] ? lockdep_softirqs_off+0x430/0x430
[ 267.106832][ T4630] ? kobject_add+0x230/0x230
[ 267.111491][ T4630] ? __init_swait_queue_head+0xa5/0x150
[ 267.117196][ T4630] gfs2_sys_fs_add+0x24f/0x4b0
[ 267.122122][ T4630] ? gfs2_recover_set+0x240/0x240
[ 267.127378][ T4630] ? snprintf+0xe5/0x140
[ 267.131752][ T4630] ? vscnprintf+0x80/0x80
[ 267.136390][ T4630] gfs2_fill_super+0x128c/0x1fb0
[ 267.141574][ T4630] ? gfs2_reconfigure+0xd30/0xd30
[ 267.146662][ T4630] ? sb_set_blocksize+0xa5/0xe0
[ 267.151570][ T4630] get_tree_bdev+0x3f1/0x610
[ 267.156213][ T4630] ? gfs2_reconfigure+0xd30/0xd30
[ 267.161295][ T4630] gfs2_get_tree+0x4d/0x1e0
[ 267.165942][ T4630] vfs_get_tree+0x88/0x270
[ 267.170416][ T4630] do_new_mount+0x24a/0xa40
[ 267.175108][ T4630] __se_sys_mount+0x2e3/0x3d0
[ 267.179833][ T4630] ? __x64_sys_mount+0xc0/0xc0
[ 267.184674][ T4630] ? lockdep_hardirqs_on+0x94/0x140
[ 267.189911][ T4630] ? __x64_sys_mount+0x1c/0xc0
[ 267.194722][ T4630] do_syscall_64+0x4c/0xa0
[ 267.199197][ T4630] ? clear_bhb_loop+0x60/0xb0
[ 267.203924][ T4630] ? clear_bhb_loop+0x60/0xb0
[ 267.208743][ T4630] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 267.214695][ T4630] RIP: 0033:0x7f8572d9e04a
[ 267.219154][ T4630] 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
[ 267.239242][ T4630] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.247673][ T4630] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 267.256178][ T4630] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 267.264325][ T4630] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 267.272303][ T4630] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 267.280449][ T4630] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 267.288605][ T4630]
[ 267.300931][ T4630] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.314773][ T4630] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.647346][ T4631] loop1: detected capacity change from 0 to 32768
[ 267.662394][ T4631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.670636][ T4631] CPU: 0 PID: 4631 Comm: syz.1.188 Not tainted syzkaller #0
[ 267.678074][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 267.688585][ T4631] Call Trace:
[ 267.691902][ T4631]
[ 267.694859][ T4631] dump_stack_lvl+0x188/0x24e
[ 267.699658][ T4631] ? show_regs_print_info+0x12/0x12
[ 267.705168][ T4631] ? load_image+0x400/0x400
[ 267.710011][ T4631] sysfs_create_dir_ns+0x26a/0x290
[ 267.715281][ T4631] ? sysfs_warn_dup+0xa0/0xa0
[ 267.720184][ T4631] ? do_raw_spin_unlock+0x11d/0x230
[ 267.725707][ T4631] kobject_add_internal+0x61c/0xcc0
[ 267.731140][ T4631] kobject_init_and_add+0x128/0x190
[ 267.736390][ T4631] ? lockdep_softirqs_off+0x430/0x430
[ 267.742171][ T4631] ? kobject_add+0x230/0x230
[ 267.747052][ T4631] ? __init_swait_queue_head+0xa5/0x150
[ 267.752621][ T4631] gfs2_sys_fs_add+0x24f/0x4b0
[ 267.757411][ T4631] ? gfs2_recover_set+0x240/0x240
[ 267.762476][ T4631] ? snprintf+0xe5/0x140
[ 267.766763][ T4631] ? vscnprintf+0x80/0x80
[ 267.771303][ T4631] gfs2_fill_super+0x128c/0x1fb0
[ 267.776287][ T4631] ? gfs2_reconfigure+0xd30/0xd30
[ 267.781420][ T4631] ? sb_set_blocksize+0xa5/0xe0
[ 267.786290][ T4631] get_tree_bdev+0x3f1/0x610
[ 267.790995][ T4631] ? gfs2_reconfigure+0xd30/0xd30
[ 267.796039][ T4631] gfs2_get_tree+0x4d/0x1e0
[ 267.800561][ T4631] vfs_get_tree+0x88/0x270
[ 267.804992][ T4631] do_new_mount+0x24a/0xa40
[ 267.809519][ T4631] __se_sys_mount+0x2e3/0x3d0
[ 267.814303][ T4631] ? __x64_sys_mount+0xc0/0xc0
[ 267.819282][ T4631] ? lockdep_hardirqs_on+0x94/0x140
[ 267.824590][ T4631] ? __x64_sys_mount+0x1c/0xc0
[ 267.829456][ T4631] do_syscall_64+0x4c/0xa0
[ 267.834162][ T4631] ? clear_bhb_loop+0x60/0xb0
[ 267.838868][ T4631] ? clear_bhb_loop+0x60/0xb0
[ 267.843649][ T4631] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 267.849570][ T4631] RIP: 0033:0x7f8572d9e04a
[ 267.854006][ T4631] 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
[ 267.873716][ T4631] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.882237][ T4631] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 267.890225][ T4631] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 267.898221][ T4631] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 267.906210][ T4631] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 267.914307][ T4631] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 267.922332][ T4631]
[ 267.930667][ T4631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.947588][ T4631] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.266473][ T4632] loop1: detected capacity change from 0 to 32768
[ 268.288331][ T4632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.295980][ T4632] CPU: 0 PID: 4632 Comm: syz.1.189 Not tainted syzkaller #0
[ 268.303502][ T4632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 268.313748][ T4632] Call Trace:
[ 268.317042][ T4632]
[ 268.319985][ T4632] dump_stack_lvl+0x188/0x24e
[ 268.324787][ T4632] ? show_regs_print_info+0x12/0x12
[ 268.330005][ T4632] ? load_image+0x400/0x400
[ 268.334538][ T4632] sysfs_create_dir_ns+0x26a/0x290
[ 268.339675][ T4632] ? sysfs_warn_dup+0xa0/0xa0
[ 268.344484][ T4632] ? do_raw_spin_unlock+0x11d/0x230
[ 268.349787][ T4632] kobject_add_internal+0x61c/0xcc0
[ 268.355009][ T4632] kobject_init_and_add+0x128/0x190
[ 268.360228][ T4632] ? lockdep_softirqs_off+0x430/0x430
[ 268.365632][ T4632] ? kobject_add+0x230/0x230
[ 268.370247][ T4632] ? __init_swait_queue_head+0xa5/0x150
[ 268.376339][ T4632] gfs2_sys_fs_add+0x24f/0x4b0
[ 268.381139][ T4632] ? gfs2_recover_set+0x240/0x240
[ 268.386303][ T4632] ? snprintf+0xe5/0x140
[ 268.390565][ T4632] ? vscnprintf+0x80/0x80
[ 268.395007][ T4632] gfs2_fill_super+0x128c/0x1fb0
[ 268.400058][ T4632] ? gfs2_reconfigure+0xd30/0xd30
[ 268.405130][ T4632] ? sb_set_blocksize+0xa5/0xe0
[ 268.410184][ T4632] get_tree_bdev+0x3f1/0x610
[ 268.414882][ T4632] ? gfs2_reconfigure+0xd30/0xd30
[ 268.419925][ T4632] gfs2_get_tree+0x4d/0x1e0
[ 268.424468][ T4632] vfs_get_tree+0x88/0x270
[ 268.428902][ T4632] do_new_mount+0x24a/0xa40
[ 268.433424][ T4632] __se_sys_mount+0x2e3/0x3d0
[ 268.438125][ T4632] ? __x64_sys_mount+0xc0/0xc0
[ 268.443101][ T4632] ? lockdep_hardirqs_on+0x94/0x140
[ 268.448432][ T4632] ? __x64_sys_mount+0x1c/0xc0
[ 268.453276][ T4632] do_syscall_64+0x4c/0xa0
[ 268.457716][ T4632] ? clear_bhb_loop+0x60/0xb0
[ 268.462412][ T4632] ? clear_bhb_loop+0x60/0xb0
[ 268.467195][ T4632] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 268.473135][ T4632] RIP: 0033:0x7f8572d9e04a
[ 268.477581][ T4632] 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
[ 268.497381][ T4632] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.505901][ T4632] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 268.514069][ T4632] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 268.522054][ T4632] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 268.530123][ T4632] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 268.538287][ T4632] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 268.546312][ T4632]
[ 268.552703][ T4632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.569470][ T4632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.903850][ T4633] loop1: detected capacity change from 0 to 32768
[ 268.919914][ T4633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.927542][ T4633] CPU: 1 PID: 4633 Comm: syz.1.190 Not tainted syzkaller #0
[ 268.934877][ T4633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 268.945158][ T4633] Call Trace:
[ 268.948512][ T4633]
[ 268.951483][ T4633] dump_stack_lvl+0x188/0x24e
[ 268.956220][ T4633] ? show_regs_print_info+0x12/0x12
[ 268.961589][ T4633] ? load_image+0x400/0x400
[ 268.966334][ T4633] sysfs_create_dir_ns+0x26a/0x290
[ 268.971589][ T4633] ? sysfs_warn_dup+0xa0/0xa0
[ 268.976314][ T4633] ? do_raw_spin_unlock+0x11d/0x230
[ 268.981560][ T4633] kobject_add_internal+0x61c/0xcc0
[ 268.986905][ T4633] kobject_init_and_add+0x128/0x190
[ 268.992144][ T4633] ? lockdep_softirqs_off+0x430/0x430
[ 268.997572][ T4633] ? kobject_add+0x230/0x230
[ 269.002641][ T4633] ? __init_swait_queue_head+0xa5/0x150
[ 269.008326][ T4633] gfs2_sys_fs_add+0x24f/0x4b0
[ 269.013204][ T4633] ? gfs2_recover_set+0x240/0x240
[ 269.018237][ T4633] ? snprintf+0xe5/0x140
[ 269.022503][ T4633] ? vscnprintf+0x80/0x80
[ 269.026900][ T4633] gfs2_fill_super+0x128c/0x1fb0
[ 269.031906][ T4633] ? gfs2_reconfigure+0xd30/0xd30
[ 269.036994][ T4633] ? sb_set_blocksize+0xa5/0xe0
[ 269.041921][ T4633] get_tree_bdev+0x3f1/0x610
[ 269.046835][ T4633] ? gfs2_reconfigure+0xd30/0xd30
[ 269.051901][ T4633] gfs2_get_tree+0x4d/0x1e0
[ 269.056456][ T4633] vfs_get_tree+0x88/0x270
[ 269.060952][ T4633] do_new_mount+0x24a/0xa40
[ 269.065601][ T4633] __se_sys_mount+0x2e3/0x3d0
[ 269.070325][ T4633] ? __x64_sys_mount+0xc0/0xc0
[ 269.075132][ T4633] ? lockdep_hardirqs_on+0x94/0x140
[ 269.080373][ T4633] ? __x64_sys_mount+0x1c/0xc0
[ 269.085180][ T4633] do_syscall_64+0x4c/0xa0
[ 269.089640][ T4633] ? clear_bhb_loop+0x60/0xb0
[ 269.094359][ T4633] ? clear_bhb_loop+0x60/0xb0
[ 269.099171][ T4633] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 269.105219][ T4633] RIP: 0033:0x7f8572d9e04a
[ 269.109641][ T4633] 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
[ 269.129336][ T4633] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.137759][ T4633] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 269.145734][ T4633] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 269.153790][ T4633] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 269.161949][ T4633] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 269.169933][ T4633] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 269.178008][ T4633]
[ 269.181880][ T4633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.195515][ T4633] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.522749][ T4634] loop1: detected capacity change from 0 to 32768
[ 269.544395][ T4634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.552151][ T4634] CPU: 0 PID: 4634 Comm: syz.1.191 Not tainted syzkaller #0
[ 269.559474][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 269.569818][ T4634] Call Trace:
[ 269.573245][ T4634]
[ 269.576919][ T4634] dump_stack_lvl+0x188/0x24e
[ 269.581756][ T4634] ? show_regs_print_info+0x12/0x12
[ 269.587202][ T4634] ? load_image+0x400/0x400
[ 269.591872][ T4634] sysfs_create_dir_ns+0x26a/0x290
[ 269.597044][ T4634] ? sysfs_warn_dup+0xa0/0xa0
[ 269.602115][ T4634] ? do_raw_spin_unlock+0x11d/0x230
[ 269.607490][ T4634] kobject_add_internal+0x61c/0xcc0
[ 269.612772][ T4634] kobject_init_and_add+0x128/0x190
[ 269.618024][ T4634] ? lockdep_softirqs_off+0x430/0x430
[ 269.623555][ T4634] ? kobject_add+0x230/0x230
[ 269.628190][ T4634] ? __init_swait_queue_head+0xa5/0x150
[ 269.633789][ T4634] gfs2_sys_fs_add+0x24f/0x4b0
[ 269.638702][ T4634] ? gfs2_recover_set+0x240/0x240
[ 269.643784][ T4634] ? snprintf+0xe5/0x140
[ 269.648077][ T4634] ? vscnprintf+0x80/0x80
[ 269.652725][ T4634] gfs2_fill_super+0x128c/0x1fb0
[ 269.657816][ T4634] ? gfs2_reconfigure+0xd30/0xd30
[ 269.662894][ T4634] ? sb_set_blocksize+0xa5/0xe0
[ 269.667813][ T4634] get_tree_bdev+0x3f1/0x610
[ 269.672562][ T4634] ? gfs2_reconfigure+0xd30/0xd30
[ 269.677718][ T4634] gfs2_get_tree+0x4d/0x1e0
[ 269.682262][ T4634] vfs_get_tree+0x88/0x270
[ 269.686728][ T4634] do_new_mount+0x24a/0xa40
[ 269.691377][ T4634] __se_sys_mount+0x2e3/0x3d0
[ 269.696098][ T4634] ? __x64_sys_mount+0xc0/0xc0
[ 269.700959][ T4634] ? lockdep_hardirqs_on+0x94/0x140
[ 269.706483][ T4634] ? __x64_sys_mount+0x1c/0xc0
[ 269.711302][ T4634] do_syscall_64+0x4c/0xa0
[ 269.715768][ T4634] ? clear_bhb_loop+0x60/0xb0
[ 269.720559][ T4634] ? clear_bhb_loop+0x60/0xb0
[ 269.725254][ T4634] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 269.731189][ T4634] RIP: 0033:0x7f8572d9e04a
[ 269.735660][ T4634] 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
[ 269.755561][ T4634] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.764256][ T4634] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 269.772735][ T4634] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 269.780809][ T4634] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 269.789148][ T4634] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 269.797243][ T4634] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 269.805340][ T4634]
[ 269.818540][ T4634] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.832400][ T4634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.172091][ T4635] loop1: detected capacity change from 0 to 32768
[ 270.188728][ T4635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.196730][ T4635] CPU: 1 PID: 4635 Comm: syz.1.192 Not tainted syzkaller #0
[ 270.204072][ T4635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 270.214264][ T4635] Call Trace:
[ 270.217584][ T4635]
[ 270.220561][ T4635] dump_stack_lvl+0x188/0x24e
[ 270.225299][ T4635] ? show_regs_print_info+0x12/0x12
[ 270.230557][ T4635] ? load_image+0x400/0x400
[ 270.235203][ T4635] sysfs_create_dir_ns+0x26a/0x290
[ 270.240457][ T4635] ? sysfs_warn_dup+0xa0/0xa0
[ 270.245174][ T4635] ? do_raw_spin_unlock+0x11d/0x230
[ 270.250423][ T4635] kobject_add_internal+0x61c/0xcc0
[ 270.255681][ T4635] kobject_init_and_add+0x128/0x190
[ 270.260924][ T4635] ? lockdep_softirqs_off+0x430/0x430
[ 270.266346][ T4635] ? kobject_add+0x230/0x230
[ 270.270980][ T4635] ? __init_swait_queue_head+0xa5/0x150
[ 270.276665][ T4635] gfs2_sys_fs_add+0x24f/0x4b0
[ 270.281524][ T4635] ? gfs2_recover_set+0x240/0x240
[ 270.286772][ T4635] ? snprintf+0xe5/0x140
[ 270.291067][ T4635] ? vscnprintf+0x80/0x80
[ 270.295455][ T4635] gfs2_fill_super+0x128c/0x1fb0
[ 270.300634][ T4635] ? gfs2_reconfigure+0xd30/0xd30
[ 270.305707][ T4635] ? sb_set_blocksize+0xa5/0xe0
[ 270.310585][ T4635] get_tree_bdev+0x3f1/0x610
[ 270.315209][ T4635] ? gfs2_reconfigure+0xd30/0xd30
[ 270.320269][ T4635] gfs2_get_tree+0x4d/0x1e0
[ 270.325072][ T4635] vfs_get_tree+0x88/0x270
[ 270.329605][ T4635] do_new_mount+0x24a/0xa40
[ 270.334224][ T4635] __se_sys_mount+0x2e3/0x3d0
[ 270.338922][ T4635] ? __x64_sys_mount+0xc0/0xc0
[ 270.343712][ T4635] ? lockdep_hardirqs_on+0x94/0x140
[ 270.349011][ T4635] ? __x64_sys_mount+0x1c/0xc0
[ 270.353793][ T4635] do_syscall_64+0x4c/0xa0
[ 270.358230][ T4635] ? clear_bhb_loop+0x60/0xb0
[ 270.362924][ T4635] ? clear_bhb_loop+0x60/0xb0
[ 270.367627][ T4635] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 270.373552][ T4635] RIP: 0033:0x7f8572d9e04a
[ 270.377988][ T4635] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 270.397695][ T4635] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.406230][ T4635] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 270.414270][ T4635] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 270.422267][ T4635] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 270.430512][ T4635] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 270.438604][ T4635] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 270.446607][ T4635]
[ 270.452743][ T4635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.469347][ T4635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.805589][ T4636] loop1: detected capacity change from 0 to 32768
[ 270.824702][ T4636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.841002][ T4636] CPU: 0 PID: 4636 Comm: syz.1.193 Not tainted syzkaller #0
[ 270.848545][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 270.858738][ T4636] Call Trace:
[ 270.862067][ T4636]
[ 270.865030][ T4636] dump_stack_lvl+0x188/0x24e
[ 270.869768][ T4636] ? show_regs_print_info+0x12/0x12
[ 270.875027][ T4636] ? load_image+0x400/0x400
[ 270.879700][ T4636] sysfs_create_dir_ns+0x26a/0x290
[ 270.884993][ T4636] ? sysfs_warn_dup+0xa0/0xa0
[ 270.889808][ T4636] ? do_raw_spin_unlock+0x11d/0x230
[ 270.895147][ T4636] kobject_add_internal+0x61c/0xcc0
[ 270.900582][ T4636] kobject_init_and_add+0x128/0x190
[ 270.905920][ T4636] ? lockdep_softirqs_off+0x430/0x430
[ 270.911354][ T4636] ? kobject_add+0x230/0x230
[ 270.916108][ T4636] ? __init_swait_queue_head+0xa5/0x150
[ 270.921719][ T4636] gfs2_sys_fs_add+0x24f/0x4b0
[ 270.926529][ T4636] ? gfs2_recover_set+0x240/0x240
[ 270.931627][ T4636] ? snprintf+0xe5/0x140
[ 270.935908][ T4636] ? vscnprintf+0x80/0x80
[ 270.940265][ T4636] gfs2_fill_super+0x128c/0x1fb0
[ 270.945322][ T4636] ? gfs2_reconfigure+0xd30/0xd30
[ 270.950637][ T4636] ? sb_set_blocksize+0xa5/0xe0
[ 270.955600][ T4636] get_tree_bdev+0x3f1/0x610
[ 270.960208][ T4636] ? gfs2_reconfigure+0xd30/0xd30
[ 270.965250][ T4636] gfs2_get_tree+0x4d/0x1e0
[ 270.969980][ T4636] vfs_get_tree+0x88/0x270
[ 270.974510][ T4636] do_new_mount+0x24a/0xa40
[ 270.979044][ T4636] __se_sys_mount+0x2e3/0x3d0
[ 270.983746][ T4636] ? __x64_sys_mount+0xc0/0xc0
[ 270.988528][ T4636] ? lockdep_hardirqs_on+0x94/0x140
[ 270.993740][ T4636] ? __x64_sys_mount+0x1c/0xc0
[ 270.998706][ T4636] do_syscall_64+0x4c/0xa0
[ 271.003144][ T4636] ? clear_bhb_loop+0x60/0xb0
[ 271.007842][ T4636] ? clear_bhb_loop+0x60/0xb0
[ 271.012542][ T4636] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 271.018454][ T4636] RIP: 0033:0x7f8572d9e04a
[ 271.022882][ T4636] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 271.042508][ T4636] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.050937][ T4636] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 271.058940][ T4636] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 271.066928][ T4636] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 271.074913][ T4636] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 271.082910][ T4636] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 271.090904][ T4636]
[ 271.099778][ T4636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.115245][ T4636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.599183][ T4637] loop1: detected capacity change from 0 to 32768
[ 271.624572][ T4637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.639015][ T4637] CPU: 1 PID: 4637 Comm: syz.1.194 Not tainted syzkaller #0
[ 271.646386][ T4637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 271.656469][ T4637] Call Trace:
[ 271.659773][ T4637]
[ 271.662733][ T4637] dump_stack_lvl+0x188/0x24e
[ 271.667460][ T4637] ? show_regs_print_info+0x12/0x12
[ 271.672701][ T4637] ? load_image+0x400/0x400
[ 271.677440][ T4637] sysfs_create_dir_ns+0x26a/0x290
[ 271.682678][ T4637] ? sysfs_warn_dup+0xa0/0xa0
[ 271.687501][ T4637] ? do_raw_spin_unlock+0x11d/0x230
[ 271.692828][ T4637] kobject_add_internal+0x61c/0xcc0
[ 271.698158][ T4637] kobject_init_and_add+0x128/0x190
[ 271.703464][ T4637] ? lockdep_softirqs_off+0x430/0x430
[ 271.708903][ T4637] ? kobject_add+0x230/0x230
[ 271.714002][ T4637] ? __init_swait_queue_head+0xa5/0x150
[ 271.719666][ T4637] gfs2_sys_fs_add+0x24f/0x4b0
[ 271.724589][ T4637] ? gfs2_recover_set+0x240/0x240
[ 271.729638][ T4637] ? snprintf+0xe5/0x140
[ 271.733967][ T4637] ? vscnprintf+0x80/0x80
[ 271.738500][ T4637] gfs2_fill_super+0x128c/0x1fb0
[ 271.743484][ T4637] ? gfs2_reconfigure+0xd30/0xd30
[ 271.748665][ T4637] ? sb_set_blocksize+0xa5/0xe0
[ 271.753554][ T4637] get_tree_bdev+0x3f1/0x610
[ 271.758375][ T4637] ? gfs2_reconfigure+0xd30/0xd30
[ 271.763424][ T4637] gfs2_get_tree+0x4d/0x1e0
[ 271.768030][ T4637] vfs_get_tree+0x88/0x270
[ 271.772471][ T4637] do_new_mount+0x24a/0xa40
[ 271.777108][ T4637] __se_sys_mount+0x2e3/0x3d0
[ 271.782013][ T4637] ? __x64_sys_mount+0xc0/0xc0
[ 271.786809][ T4637] ? lockdep_hardirqs_on+0x94/0x140
[ 271.792040][ T4637] ? __x64_sys_mount+0x1c/0xc0
[ 271.796818][ T4637] do_syscall_64+0x4c/0xa0
[ 271.801257][ T4637] ? clear_bhb_loop+0x60/0xb0
[ 271.806432][ T4637] ? clear_bhb_loop+0x60/0xb0
[ 271.811322][ T4637] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 271.817337][ T4637] RIP: 0033:0x7f8572d9e04a
[ 271.821772][ T4637] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 271.841571][ T4637] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.850072][ T4637] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 271.858058][ T4637] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 271.866045][ T4637] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 271.874025][ T4637] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 271.882103][ T4637] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 271.890100][ T4637]
[ 271.946303][ T4637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.971403][ T4637] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 05:51:11 executed programs: 180
[ 272.317718][ T4638] loop1: detected capacity change from 0 to 32768
[ 272.339153][ T4638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.347462][ T4638] CPU: 1 PID: 4638 Comm: syz.1.195 Not tainted syzkaller #0
[ 272.354808][ T4638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 272.364997][ T4638] Call Trace:
[ 272.368319][ T4638]
[ 272.371285][ T4638] dump_stack_lvl+0x188/0x24e
[ 272.376206][ T4638] ? show_regs_print_info+0x12/0x12
[ 272.381460][ T4638] ? load_image+0x400/0x400
[ 272.386021][ T4638] sysfs_create_dir_ns+0x26a/0x290
[ 272.391189][ T4638] ? sysfs_warn_dup+0xa0/0xa0
[ 272.395956][ T4638] ? do_raw_spin_unlock+0x11d/0x230
[ 272.401383][ T4638] kobject_add_internal+0x61c/0xcc0
[ 272.406711][ T4638] kobject_init_and_add+0x128/0x190
[ 272.411930][ T4638] ? lockdep_softirqs_off+0x430/0x430
[ 272.417412][ T4638] ? kobject_add+0x230/0x230
[ 272.422024][ T4638] ? __init_swait_queue_head+0xa5/0x150
[ 272.427630][ T4638] gfs2_sys_fs_add+0x24f/0x4b0
[ 272.432443][ T4638] ? gfs2_recover_set+0x240/0x240
[ 272.437529][ T4638] ? snprintf+0xe5/0x140
[ 272.441798][ T4638] ? vscnprintf+0x80/0x80
[ 272.446239][ T4638] gfs2_fill_super+0x128c/0x1fb0
[ 272.451218][ T4638] ? gfs2_reconfigure+0xd30/0xd30
[ 272.456378][ T4638] ? sb_set_blocksize+0xa5/0xe0
[ 272.461268][ T4638] get_tree_bdev+0x3f1/0x610
[ 272.465877][ T4638] ? gfs2_reconfigure+0xd30/0xd30
[ 272.471004][ T4638] gfs2_get_tree+0x4d/0x1e0
[ 272.475611][ T4638] vfs_get_tree+0x88/0x270
[ 272.480045][ T4638] do_new_mount+0x24a/0xa40
[ 272.484574][ T4638] __se_sys_mount+0x2e3/0x3d0
[ 272.489279][ T4638] ? __x64_sys_mount+0xc0/0xc0
[ 272.494081][ T4638] ? lockdep_hardirqs_on+0x94/0x140
[ 272.499316][ T4638] ? __x64_sys_mount+0x1c/0xc0
[ 272.504106][ T4638] do_syscall_64+0x4c/0xa0
[ 272.508633][ T4638] ? clear_bhb_loop+0x60/0xb0
[ 272.513414][ T4638] ? clear_bhb_loop+0x60/0xb0
[ 272.518196][ T4638] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 272.524106][ T4638] RIP: 0033:0x7f8572d9e04a
[ 272.528538][ T4638] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 272.548358][ T4638] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.557145][ T4638] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 272.565220][ T4638] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 272.573217][ T4638] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 272.581208][ T4638] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 272.589300][ T4638] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 272.597302][ T4638]
[ 272.611411][ T4638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.625157][ T4638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.973932][ T4639] loop1: detected capacity change from 0 to 32768
[ 272.987536][ T4639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.995353][ T4639] CPU: 1 PID: 4639 Comm: syz.1.196 Not tainted syzkaller #0
[ 273.002781][ T4639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 273.012884][ T4639] Call Trace:
[ 273.016196][ T4639]
[ 273.019166][ T4639] dump_stack_lvl+0x188/0x24e
[ 273.023908][ T4639] ? show_regs_print_info+0x12/0x12
[ 273.029431][ T4639] ? load_image+0x400/0x400
[ 273.034015][ T4639] sysfs_create_dir_ns+0x26a/0x290
[ 273.039300][ T4639] ? sysfs_warn_dup+0xa0/0xa0
[ 273.044077][ T4639] ? do_raw_spin_unlock+0x11d/0x230
[ 273.049319][ T4639] kobject_add_internal+0x61c/0xcc0
[ 273.054658][ T4639] kobject_init_and_add+0x128/0x190
[ 273.059903][ T4639] ? lockdep_softirqs_off+0x430/0x430
[ 273.065330][ T4639] ? kobject_add+0x230/0x230
[ 273.069978][ T4639] ? __init_swait_queue_head+0xa5/0x150
[ 273.075753][ T4639] gfs2_sys_fs_add+0x24f/0x4b0
[ 273.080578][ T4639] ? gfs2_recover_set+0x240/0x240
[ 273.085658][ T4639] ? snprintf+0xe5/0x140
[ 273.090222][ T4639] ? vscnprintf+0x80/0x80
[ 273.094623][ T4639] gfs2_fill_super+0x128c/0x1fb0
[ 273.100079][ T4639] ? gfs2_reconfigure+0xd30/0xd30
[ 273.105146][ T4639] ? sb_set_blocksize+0xa5/0xe0
[ 273.110025][ T4639] get_tree_bdev+0x3f1/0x610
[ 273.114723][ T4639] ? gfs2_reconfigure+0xd30/0xd30
[ 273.119768][ T4639] gfs2_get_tree+0x4d/0x1e0
[ 273.124290][ T4639] vfs_get_tree+0x88/0x270
[ 273.128730][ T4639] do_new_mount+0x24a/0xa40
[ 273.133263][ T4639] __se_sys_mount+0x2e3/0x3d0
[ 273.137957][ T4639] ? __x64_sys_mount+0xc0/0xc0
[ 273.142832][ T4639] ? lockdep_hardirqs_on+0x94/0x140
[ 273.148042][ T4639] ? __x64_sys_mount+0x1c/0xc0
[ 273.152912][ T4639] do_syscall_64+0x4c/0xa0
[ 273.157441][ T4639] ? clear_bhb_loop+0x60/0xb0
[ 273.162237][ T4639] ? clear_bhb_loop+0x60/0xb0
[ 273.166940][ T4639] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 273.172869][ T4639] RIP: 0033:0x7f8572d9e04a
[ 273.177394][ T4639] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 273.197468][ T4639] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.206250][ T4639] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 273.214242][ T4639] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 273.222346][ T4639] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 273.230365][ T4639] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 273.238359][ T4639] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 273.246359][ T4639]
[ 273.261235][ T4639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.281444][ T4639] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.598697][ T4640] loop1: detected capacity change from 0 to 32768
[ 273.615496][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.623182][ T4640] CPU: 1 PID: 4640 Comm: syz.1.197 Not tainted syzkaller #0
[ 273.630519][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 273.640615][ T4640] Call Trace:
[ 273.644029][ T4640]
[ 273.647012][ T4640] dump_stack_lvl+0x188/0x24e
[ 273.651842][ T4640] ? show_regs_print_info+0x12/0x12
[ 273.657281][ T4640] ? load_image+0x400/0x400
[ 273.661842][ T4640] sysfs_create_dir_ns+0x26a/0x290
[ 273.666996][ T4640] ? sysfs_warn_dup+0xa0/0xa0
[ 273.671981][ T4640] ? do_raw_spin_unlock+0x11d/0x230
[ 273.677227][ T4640] kobject_add_internal+0x61c/0xcc0
[ 273.682766][ T4640] kobject_init_and_add+0x128/0x190
[ 273.688017][ T4640] ? lockdep_softirqs_off+0x430/0x430
[ 273.693568][ T4640] ? kobject_add+0x230/0x230
[ 273.698306][ T4640] ? __init_swait_queue_head+0xa5/0x150
[ 273.704008][ T4640] gfs2_sys_fs_add+0x24f/0x4b0
[ 273.708947][ T4640] ? gfs2_recover_set+0x240/0x240
[ 273.714115][ T4640] ? snprintf+0xe5/0x140
[ 273.718408][ T4640] ? vscnprintf+0x80/0x80
[ 273.722878][ T4640] gfs2_fill_super+0x128c/0x1fb0
[ 273.727878][ T4640] ? gfs2_reconfigure+0xd30/0xd30
[ 273.732957][ T4640] ? sb_set_blocksize+0xa5/0xe0
[ 273.737865][ T4640] get_tree_bdev+0x3f1/0x610
[ 273.742516][ T4640] ? gfs2_reconfigure+0xd30/0xd30
[ 273.747757][ T4640] gfs2_get_tree+0x4d/0x1e0
[ 273.752577][ T4640] vfs_get_tree+0x88/0x270
[ 273.757222][ T4640] do_new_mount+0x24a/0xa40
[ 273.761873][ T4640] __se_sys_mount+0x2e3/0x3d0
[ 273.766592][ T4640] ? __x64_sys_mount+0xc0/0xc0
[ 273.771485][ T4640] ? lockdep_hardirqs_on+0x94/0x140
[ 273.776728][ T4640] ? __x64_sys_mount+0x1c/0xc0
[ 273.781540][ T4640] do_syscall_64+0x4c/0xa0
[ 273.786092][ T4640] ? clear_bhb_loop+0x60/0xb0
[ 273.790774][ T4640] ? clear_bhb_loop+0x60/0xb0
[ 273.795553][ T4640] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 273.801447][ T4640] RIP: 0033:0x7f8572d9e04a
[ 273.805989][ T4640] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 273.826052][ T4640] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.834611][ T4640] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 273.842604][ T4640] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 273.850589][ T4640] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 273.858647][ T4640] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 273.866721][ T4640] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 273.874721][ T4640]
[ 273.879108][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.892819][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.242264][ T4641] loop1: detected capacity change from 0 to 32768
[ 274.258326][ T4641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.267048][ T4641] CPU: 0 PID: 4641 Comm: syz.1.198 Not tainted syzkaller #0
[ 274.274393][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 274.284489][ T4641] Call Trace:
[ 274.287899][ T4641]
[ 274.290879][ T4641] dump_stack_lvl+0x188/0x24e
[ 274.295890][ T4641] ? show_regs_print_info+0x12/0x12
[ 274.301155][ T4641] ? load_image+0x400/0x400
[ 274.305777][ T4641] sysfs_create_dir_ns+0x26a/0x290
[ 274.311029][ T4641] ? sysfs_warn_dup+0xa0/0xa0
[ 274.315773][ T4641] ? do_raw_spin_unlock+0x11d/0x230
[ 274.321031][ T4641] kobject_add_internal+0x61c/0xcc0
[ 274.326292][ T4641] kobject_init_and_add+0x128/0x190
[ 274.331539][ T4641] ? lockdep_softirqs_off+0x430/0x430
[ 274.337143][ T4641] ? kobject_add+0x230/0x230
[ 274.341866][ T4641] ? __init_swait_queue_head+0xa5/0x150
[ 274.347465][ T4641] gfs2_sys_fs_add+0x24f/0x4b0
[ 274.352305][ T4641] ? gfs2_recover_set+0x240/0x240
[ 274.357389][ T4641] ? snprintf+0xe5/0x140
[ 274.361755][ T4641] ? vscnprintf+0x80/0x80
[ 274.366201][ T4641] gfs2_fill_super+0x128c/0x1fb0
[ 274.371192][ T4641] ? gfs2_reconfigure+0xd30/0xd30
[ 274.376376][ T4641] ? sb_set_blocksize+0xa5/0xe0
[ 274.381283][ T4641] get_tree_bdev+0x3f1/0x610
[ 274.386437][ T4641] ? gfs2_reconfigure+0xd30/0xd30
[ 274.391481][ T4641] gfs2_get_tree+0x4d/0x1e0
[ 274.396021][ T4641] vfs_get_tree+0x88/0x270
[ 274.400454][ T4641] do_new_mount+0x24a/0xa40
[ 274.404981][ T4641] __se_sys_mount+0x2e3/0x3d0
[ 274.409679][ T4641] ? __x64_sys_mount+0xc0/0xc0
[ 274.414475][ T4641] ? lockdep_hardirqs_on+0x94/0x140
[ 274.419686][ T4641] ? __x64_sys_mount+0x1c/0xc0
[ 274.424466][ T4641] do_syscall_64+0x4c/0xa0
[ 274.428902][ T4641] ? clear_bhb_loop+0x60/0xb0
[ 274.433612][ T4641] ? clear_bhb_loop+0x60/0xb0
[ 274.438324][ T4641] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 274.444408][ T4641] RIP: 0033:0x7f8572d9e04a
[ 274.449099][ T4641] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 274.468809][ T4641] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.477263][ T4641] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 274.485349][ T4641] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 274.493432][ T4641] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 274.501591][ T4641] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 274.509591][ T4641] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 274.517590][ T4641]
[ 274.527615][ T4641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.543845][ T4641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.871978][ T4642] loop1: detected capacity change from 0 to 32768
[ 274.887868][ T4642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.895491][ T4642] CPU: 1 PID: 4642 Comm: syz.1.199 Not tainted syzkaller #0
[ 274.902822][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 274.912927][ T4642] Call Trace:
[ 274.916256][ T4642]
[ 274.919232][ T4642] dump_stack_lvl+0x188/0x24e
[ 274.923964][ T4642] ? show_regs_print_info+0x12/0x12
[ 274.929270][ T4642] ? load_image+0x400/0x400
[ 274.934207][ T4642] sysfs_create_dir_ns+0x26a/0x290
[ 274.939376][ T4642] ? sysfs_warn_dup+0xa0/0xa0
[ 274.944194][ T4642] ? do_raw_spin_unlock+0x11d/0x230
[ 274.949440][ T4642] kobject_add_internal+0x61c/0xcc0
[ 274.954769][ T4642] kobject_init_and_add+0x128/0x190
[ 274.960108][ T4642] ? lockdep_softirqs_off+0x430/0x430
[ 274.965591][ T4642] ? kobject_add+0x230/0x230
[ 274.970218][ T4642] ? __init_swait_queue_head+0xa5/0x150
[ 274.975786][ T4642] gfs2_sys_fs_add+0x24f/0x4b0
[ 274.980574][ T4642] ? gfs2_recover_set+0x240/0x240
[ 274.985622][ T4642] ? snprintf+0xe5/0x140
[ 274.989886][ T4642] ? vscnprintf+0x80/0x80
[ 274.994330][ T4642] gfs2_fill_super+0x128c/0x1fb0
[ 274.999381][ T4642] ? gfs2_reconfigure+0xd30/0xd30
[ 275.004515][ T4642] ? sb_set_blocksize+0xa5/0xe0
[ 275.009389][ T4642] get_tree_bdev+0x3f1/0x610
[ 275.013997][ T4642] ? gfs2_reconfigure+0xd30/0xd30
[ 275.019124][ T4642] gfs2_get_tree+0x4d/0x1e0
[ 275.023666][ T4642] vfs_get_tree+0x88/0x270
[ 275.028099][ T4642] do_new_mount+0x24a/0xa40
[ 275.032708][ T4642] __se_sys_mount+0x2e3/0x3d0
[ 275.037400][ T4642] ? __x64_sys_mount+0xc0/0xc0
[ 275.042184][ T4642] ? lockdep_hardirqs_on+0x94/0x140
[ 275.047582][ T4642] ? __x64_sys_mount+0x1c/0xc0
[ 275.052364][ T4642] do_syscall_64+0x4c/0xa0
[ 275.056974][ T4642] ? clear_bhb_loop+0x60/0xb0
[ 275.061879][ T4642] ? clear_bhb_loop+0x60/0xb0
[ 275.066682][ T4642] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 275.072688][ T4642] RIP: 0033:0x7f8572d9e04a
[ 275.077145][ T4642] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 275.097026][ T4642] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.105460][ T4642] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 275.113535][ T4642] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 275.121592][ T4642] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 275.129578][ T4642] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 275.137644][ T4642] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 275.145725][ T4642]
[ 275.153164][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.178474][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.522747][ T4643] loop1: detected capacity change from 0 to 32768
[ 275.543782][ T4643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.551546][ T4643] CPU: 1 PID: 4643 Comm: syz.1.200 Not tainted syzkaller #0
[ 275.559062][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 275.569515][ T4643] Call Trace:
[ 275.572848][ T4643]
[ 275.575814][ T4643] dump_stack_lvl+0x188/0x24e
[ 275.580648][ T4643] ? show_regs_print_info+0x12/0x12
[ 275.585990][ T4643] ? load_image+0x400/0x400
[ 275.590554][ T4643] sysfs_create_dir_ns+0x26a/0x290
[ 275.595714][ T4643] ? sysfs_warn_dup+0xa0/0xa0
[ 275.600440][ T4643] ? do_raw_spin_unlock+0x11d/0x230
[ 275.605681][ T4643] kobject_add_internal+0x61c/0xcc0
[ 275.610937][ T4643] kobject_init_and_add+0x128/0x190
[ 275.616176][ T4643] ? lockdep_softirqs_off+0x430/0x430
[ 275.621605][ T4643] ? kobject_add+0x230/0x230
[ 275.626248][ T4643] ? __init_swait_queue_head+0xa5/0x150
[ 275.631859][ T4643] gfs2_sys_fs_add+0x24f/0x4b0
[ 275.636680][ T4643] ? gfs2_recover_set+0x240/0x240
[ 275.641756][ T4643] ? snprintf+0xe5/0x140
[ 275.646058][ T4643] ? vscnprintf+0x80/0x80
[ 275.650449][ T4643] gfs2_fill_super+0x128c/0x1fb0
[ 275.655455][ T4643] ? gfs2_reconfigure+0xd30/0xd30
[ 275.660545][ T4643] ? sb_set_blocksize+0xa5/0xe0
[ 275.665568][ T4643] get_tree_bdev+0x3f1/0x610
[ 275.670304][ T4643] ? gfs2_reconfigure+0xd30/0xd30
[ 275.675379][ T4643] gfs2_get_tree+0x4d/0x1e0
[ 275.679954][ T4643] vfs_get_tree+0x88/0x270
[ 275.684427][ T4643] do_new_mount+0x24a/0xa40
[ 275.689151][ T4643] __se_sys_mount+0x2e3/0x3d0
[ 275.693927][ T4643] ? __x64_sys_mount+0xc0/0xc0
[ 275.698737][ T4643] ? lockdep_hardirqs_on+0x94/0x140
[ 275.704072][ T4643] ? __x64_sys_mount+0x1c/0xc0
[ 275.709055][ T4643] do_syscall_64+0x4c/0xa0
[ 275.713515][ T4643] ? clear_bhb_loop+0x60/0xb0
[ 275.718220][ T4643] ? clear_bhb_loop+0x60/0xb0
[ 275.723016][ T4643] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 275.728958][ T4643] RIP: 0033:0x7f8572d9e04a
[ 275.733409][ T4643] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 275.753382][ T4643] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.761932][ T4643] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 275.769945][ T4643] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 275.778014][ T4643] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 275.786091][ T4643] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 275.794150][ T4643] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 275.802138][ T4643]
[ 275.806032][ T4643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.819677][ T4643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.199031][ T4644] loop1: detected capacity change from 0 to 32768
[ 276.214446][ T4644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.222131][ T4644] CPU: 1 PID: 4644 Comm: syz.1.201 Not tainted syzkaller #0
[ 276.229475][ T4644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 276.239675][ T4644] Call Trace:
[ 276.243017][ T4644]
[ 276.246161][ T4644] dump_stack_lvl+0x188/0x24e
[ 276.251015][ T4644] ? show_regs_print_info+0x12/0x12
[ 276.256366][ T4644] ? load_image+0x400/0x400
[ 276.260929][ T4644] sysfs_create_dir_ns+0x26a/0x290
[ 276.266278][ T4644] ? sysfs_warn_dup+0xa0/0xa0
[ 276.271005][ T4644] ? do_raw_spin_unlock+0x11d/0x230
[ 276.276257][ T4644] kobject_add_internal+0x61c/0xcc0
[ 276.281596][ T4644] kobject_init_and_add+0x128/0x190
[ 276.286845][ T4644] ? lockdep_softirqs_off+0x430/0x430
[ 276.292256][ T4644] ? kobject_add+0x230/0x230
[ 276.296975][ T4644] ? __init_swait_queue_head+0xa5/0x150
[ 276.302542][ T4644] gfs2_sys_fs_add+0x24f/0x4b0
[ 276.307505][ T4644] ? gfs2_recover_set+0x240/0x240
[ 276.312756][ T4644] ? snprintf+0xe5/0x140
[ 276.317090][ T4644] ? vscnprintf+0x80/0x80
[ 276.321518][ T4644] gfs2_fill_super+0x128c/0x1fb0
[ 276.326600][ T4644] ? gfs2_reconfigure+0xd30/0xd30
[ 276.331656][ T4644] ? sb_set_blocksize+0xa5/0xe0
[ 276.336555][ T4644] get_tree_bdev+0x3f1/0x610
[ 276.341189][ T4644] ? gfs2_reconfigure+0xd30/0xd30
[ 276.346248][ T4644] gfs2_get_tree+0x4d/0x1e0
[ 276.350778][ T4644] vfs_get_tree+0x88/0x270
[ 276.355235][ T4644] do_new_mount+0x24a/0xa40
[ 276.359854][ T4644] __se_sys_mount+0x2e3/0x3d0
[ 276.364848][ T4644] ? __x64_sys_mount+0xc0/0xc0
[ 276.369745][ T4644] ? lockdep_hardirqs_on+0x94/0x140
[ 276.375052][ T4644] ? __x64_sys_mount+0x1c/0xc0
[ 276.379832][ T4644] do_syscall_64+0x4c/0xa0
[ 276.384269][ T4644] ? clear_bhb_loop+0x60/0xb0
[ 276.388971][ T4644] ? clear_bhb_loop+0x60/0xb0
[ 276.393690][ T4644] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 276.399613][ T4644] RIP: 0033:0x7f8572d9e04a
[ 276.404248][ T4644] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 276.424422][ T4644] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.432873][ T4644] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 276.440868][ T4644] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 276.449025][ T4644] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 276.457097][ T4644] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 276.465181][ T4644] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 276.473275][ T4644]
[ 276.481286][ T4644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.494630][ T4644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.839293][ T4645] loop1: detected capacity change from 0 to 32768
[ 276.858258][ T4645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.865926][ T4645] CPU: 0 PID: 4645 Comm: syz.1.202 Not tainted syzkaller #0
[ 276.873264][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 276.883456][ T4645] Call Trace:
[ 276.886774][ T4645]
[ 276.889746][ T4645] dump_stack_lvl+0x188/0x24e
[ 276.894496][ T4645] ? show_regs_print_info+0x12/0x12
[ 276.899756][ T4645] ? load_image+0x400/0x400
[ 276.904323][ T4645] sysfs_create_dir_ns+0x26a/0x290
[ 276.909488][ T4645] ? sysfs_warn_dup+0xa0/0xa0
[ 276.914305][ T4645] ? do_raw_spin_unlock+0x11d/0x230
[ 276.919557][ T4645] kobject_add_internal+0x61c/0xcc0
[ 276.924805][ T4645] kobject_init_and_add+0x128/0x190
[ 276.930220][ T4645] ? lockdep_softirqs_off+0x430/0x430
[ 276.935652][ T4645] ? kobject_add+0x230/0x230
[ 276.940746][ T4645] ? __init_swait_queue_head+0xa5/0x150
[ 276.946333][ T4645] gfs2_sys_fs_add+0x24f/0x4b0
[ 276.951118][ T4645] ? gfs2_recover_set+0x240/0x240
[ 276.956330][ T4645] ? snprintf+0xe5/0x140
[ 276.960637][ T4645] ? vscnprintf+0x80/0x80
[ 276.965126][ T4645] gfs2_fill_super+0x128c/0x1fb0
[ 276.970126][ T4645] ? gfs2_reconfigure+0xd30/0xd30
[ 276.975291][ T4645] ? sb_set_blocksize+0xa5/0xe0
[ 276.980281][ T4645] get_tree_bdev+0x3f1/0x610
[ 276.984916][ T4645] ? gfs2_reconfigure+0xd30/0xd30
[ 276.990106][ T4645] gfs2_get_tree+0x4d/0x1e0
[ 276.994657][ T4645] vfs_get_tree+0x88/0x270
[ 276.999120][ T4645] do_new_mount+0x24a/0xa40
[ 277.003670][ T4645] __se_sys_mount+0x2e3/0x3d0
[ 277.008498][ T4645] ? __x64_sys_mount+0xc0/0xc0
[ 277.013420][ T4645] ? lockdep_hardirqs_on+0x94/0x140
[ 277.018741][ T4645] ? __x64_sys_mount+0x1c/0xc0
[ 277.023582][ T4645] do_syscall_64+0x4c/0xa0
[ 277.028162][ T4645] ? clear_bhb_loop+0x60/0xb0
[ 277.032893][ T4645] ? clear_bhb_loop+0x60/0xb0
[ 277.037766][ T4645] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 277.043664][ T4645] RIP: 0033:0x7f8572d9e04a
[ 277.048183][ T4645] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 277.067987][ T4645] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.076516][ T4645] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 277.084501][ T4645] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 277.092663][ T4645] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 277.100651][ T4645] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 277.108631][ T4645] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 277.116617][ T4645]
[ 277.120586][ T4645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.133912][ T4645] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 05:51:17 executed programs: 188
[ 277.486082][ T4646] loop1: detected capacity change from 0 to 32768
[ 277.512203][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.519747][ T4646] CPU: 1 PID: 4646 Comm: syz.1.203 Not tainted syzkaller #0
[ 277.527083][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 277.537280][ T4646] Call Trace:
[ 277.540684][ T4646]
[ 277.543653][ T4646] dump_stack_lvl+0x188/0x24e
[ 277.548395][ T4646] ? show_regs_print_info+0x12/0x12
[ 277.553736][ T4646] ? load_image+0x400/0x400
[ 277.558385][ T4646] sysfs_create_dir_ns+0x26a/0x290
[ 277.563558][ T4646] ? sysfs_warn_dup+0xa0/0xa0
[ 277.568293][ T4646] ? do_raw_spin_unlock+0x11d/0x230
[ 277.573535][ T4646] kobject_add_internal+0x61c/0xcc0
[ 277.578876][ T4646] kobject_init_and_add+0x128/0x190
[ 277.584123][ T4646] ? lockdep_softirqs_off+0x430/0x430
[ 277.589544][ T4646] ? kobject_add+0x230/0x230
[ 277.594383][ T4646] ? __init_swait_queue_head+0xa5/0x150
[ 277.600099][ T4646] gfs2_sys_fs_add+0x24f/0x4b0
[ 277.604924][ T4646] ? gfs2_recover_set+0x240/0x240
[ 277.610072][ T4646] ? snprintf+0xe5/0x140
[ 277.614354][ T4646] ? vscnprintf+0x80/0x80
[ 277.618889][ T4646] gfs2_fill_super+0x128c/0x1fb0
[ 277.623949][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 277.628995][ T4646] ? sb_set_blocksize+0xa5/0xe0
[ 277.634038][ T4646] get_tree_bdev+0x3f1/0x610
[ 277.638688][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 277.643935][ T4646] gfs2_get_tree+0x4d/0x1e0
[ 277.648479][ T4646] vfs_get_tree+0x88/0x270
[ 277.653129][ T4646] do_new_mount+0x24a/0xa40
[ 277.657667][ T4646] __se_sys_mount+0x2e3/0x3d0
[ 277.662414][ T4646] ? __x64_sys_mount+0xc0/0xc0
[ 277.667200][ T4646] ? lockdep_hardirqs_on+0x94/0x140
[ 277.672599][ T4646] ? __x64_sys_mount+0x1c/0xc0
[ 277.677483][ T4646] do_syscall_64+0x4c/0xa0
[ 277.682056][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 277.686861][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 277.691579][ T4646] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 277.697507][ T4646] RIP: 0033:0x7f8572d9e04a
[ 277.701939][ T4646] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 277.721828][ T4646] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.730274][ T4646] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 277.738362][ T4646] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 277.746536][ T4646] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 277.754611][ T4646] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 277.762686][ T4646] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 277.770713][ T4646]
[ 277.776548][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.790265][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.114532][ T4647] loop1: detected capacity change from 0 to 32768
[ 278.132757][ T4647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.140289][ T4647] CPU: 0 PID: 4647 Comm: syz.1.204 Not tainted syzkaller #0
[ 278.147627][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 278.158355][ T4647] Call Trace:
[ 278.161690][ T4647]
[ 278.164664][ T4647] dump_stack_lvl+0x188/0x24e
[ 278.169409][ T4647] ? show_regs_print_info+0x12/0x12
[ 278.174755][ T4647] ? load_image+0x400/0x400
[ 278.179325][ T4647] sysfs_create_dir_ns+0x26a/0x290
[ 278.184507][ T4647] ? sysfs_warn_dup+0xa0/0xa0
[ 278.189347][ T4647] ? do_raw_spin_unlock+0x11d/0x230
[ 278.194608][ T4647] kobject_add_internal+0x61c/0xcc0
[ 278.199956][ T4647] kobject_init_and_add+0x128/0x190
[ 278.205552][ T4647] ? lockdep_softirqs_off+0x430/0x430
[ 278.211150][ T4647] ? kobject_add+0x230/0x230
[ 278.216153][ T4647] ? __init_swait_queue_head+0xa5/0x150
[ 278.221829][ T4647] gfs2_sys_fs_add+0x24f/0x4b0
[ 278.226630][ T4647] ? gfs2_recover_set+0x240/0x240
[ 278.231703][ T4647] ? snprintf+0xe5/0x140
[ 278.235965][ T4647] ? vscnprintf+0x80/0x80
[ 278.240336][ T4647] gfs2_fill_super+0x128c/0x1fb0
[ 278.245329][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 278.250491][ T4647] ? sb_set_blocksize+0xa5/0xe0
[ 278.255375][ T4647] get_tree_bdev+0x3f1/0x610
[ 278.260145][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 278.265243][ T4647] gfs2_get_tree+0x4d/0x1e0
[ 278.269777][ T4647] vfs_get_tree+0x88/0x270
[ 278.274216][ T4647] do_new_mount+0x24a/0xa40
[ 278.278832][ T4647] __se_sys_mount+0x2e3/0x3d0
[ 278.283551][ T4647] ? __x64_sys_mount+0xc0/0xc0
[ 278.288361][ T4647] ? lockdep_hardirqs_on+0x94/0x140
[ 278.293607][ T4647] ? __x64_sys_mount+0x1c/0xc0
[ 278.298396][ T4647] do_syscall_64+0x4c/0xa0
[ 278.302935][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 278.307654][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 278.312373][ T4647] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 278.318302][ T4647] RIP: 0033:0x7f8572d9e04a
[ 278.322821][ T4647] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 278.342619][ T4647] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.351057][ T4647] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 278.359395][ T4647] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 278.367382][ T4647] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 278.375372][ T4647] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 278.383362][ T4647] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 278.391359][ T4647]
[ 278.398618][ T4647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.416137][ T4647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.511198][ T4313] Bluetooth: hci1: command 0x0406 tx timeout
[ 278.768197][ T4648] loop1: detected capacity change from 0 to 32768
[ 278.790564][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.798929][ T4648] CPU: 1 PID: 4648 Comm: syz.1.205 Not tainted syzkaller #0
[ 278.806356][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 278.816469][ T4648] Call Trace:
[ 278.819789][ T4648]
[ 278.822765][ T4648] dump_stack_lvl+0x188/0x24e
[ 278.827512][ T4648] ? show_regs_print_info+0x12/0x12
[ 278.832781][ T4648] ? load_image+0x400/0x400
[ 278.837441][ T4648] sysfs_create_dir_ns+0x26a/0x290
[ 278.842824][ T4648] ? sysfs_warn_dup+0xa0/0xa0
[ 278.847645][ T4648] ? do_raw_spin_unlock+0x11d/0x230
[ 278.852986][ T4648] kobject_add_internal+0x61c/0xcc0
[ 278.858415][ T4648] kobject_init_and_add+0x128/0x190
[ 278.863654][ T4648] ? lockdep_softirqs_off+0x430/0x430
[ 278.869265][ T4648] ? kobject_add+0x230/0x230
[ 278.873925][ T4648] ? __init_swait_queue_head+0xa5/0x150
[ 278.879524][ T4648] gfs2_sys_fs_add+0x24f/0x4b0
[ 278.884323][ T4648] ? gfs2_recover_set+0x240/0x240
[ 278.889378][ T4648] ? snprintf+0xe5/0x140
[ 278.893684][ T4648] ? vscnprintf+0x80/0x80
[ 278.898163][ T4648] gfs2_fill_super+0x128c/0x1fb0
[ 278.903257][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 278.908346][ T4648] ? sb_set_blocksize+0xa5/0xe0
[ 278.913254][ T4648] get_tree_bdev+0x3f1/0x610
[ 278.917920][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 278.922996][ T4648] gfs2_get_tree+0x4d/0x1e0
[ 278.927585][ T4648] vfs_get_tree+0x88/0x270
[ 278.932221][ T4648] do_new_mount+0x24a/0xa40
[ 278.936773][ T4648] __se_sys_mount+0x2e3/0x3d0
[ 278.941501][ T4648] ? __x64_sys_mount+0xc0/0xc0
[ 278.946309][ T4648] ? lockdep_hardirqs_on+0x94/0x140
[ 278.951720][ T4648] ? __x64_sys_mount+0x1c/0xc0
[ 278.956538][ T4648] do_syscall_64+0x4c/0xa0
[ 278.961093][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 278.965809][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 278.970538][ T4648] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 278.976471][ T4648] RIP: 0033:0x7f8572d9e04a
[ 278.980912][ T4648] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 279.000709][ T4648] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.009165][ T4648] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 279.017143][ T4648] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 279.025123][ T4648] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 279.033289][ T4648] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 279.041489][ T4648] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 279.049668][ T4648]
[ 279.055488][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.068947][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.415098][ T4649] loop1: detected capacity change from 0 to 32768
[ 279.430713][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.438282][ T4649] CPU: 0 PID: 4649 Comm: syz.1.206 Not tainted syzkaller #0
[ 279.445715][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 279.455916][ T4649] Call Trace:
[ 279.459242][ T4649]
[ 279.462302][ T4649] dump_stack_lvl+0x188/0x24e
[ 279.467042][ T4649] ? show_regs_print_info+0x12/0x12
[ 279.472382][ T4649] ? load_image+0x400/0x400
[ 279.476960][ T4649] sysfs_create_dir_ns+0x26a/0x290
[ 279.482213][ T4649] ? sysfs_warn_dup+0xa0/0xa0
[ 279.486937][ T4649] ? do_raw_spin_unlock+0x11d/0x230
[ 279.492608][ T4649] kobject_add_internal+0x61c/0xcc0
[ 279.497859][ T4649] kobject_init_and_add+0x128/0x190
[ 279.503185][ T4649] ? lockdep_softirqs_off+0x430/0x430
[ 279.508694][ T4649] ? kobject_add+0x230/0x230
[ 279.513328][ T4649] ? __init_swait_queue_head+0xa5/0x150
[ 279.519019][ T4649] gfs2_sys_fs_add+0x24f/0x4b0
[ 279.523798][ T4649] ? gfs2_recover_set+0x240/0x240
[ 279.528929][ T4649] ? snprintf+0xe5/0x140
[ 279.533282][ T4649] ? vscnprintf+0x80/0x80
[ 279.537711][ T4649] gfs2_fill_super+0x128c/0x1fb0
[ 279.542659][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 279.547778][ T4649] ? sb_set_blocksize+0xa5/0xe0
[ 279.552719][ T4649] get_tree_bdev+0x3f1/0x610
[ 279.557314][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 279.562370][ T4649] gfs2_get_tree+0x4d/0x1e0
[ 279.566916][ T4649] vfs_get_tree+0x88/0x270
[ 279.571606][ T4649] do_new_mount+0x24a/0xa40
[ 279.576138][ T4649] __se_sys_mount+0x2e3/0x3d0
[ 279.580927][ T4649] ? __x64_sys_mount+0xc0/0xc0
[ 279.585798][ T4649] ? lockdep_hardirqs_on+0x94/0x140
[ 279.590999][ T4649] ? __x64_sys_mount+0x1c/0xc0
[ 279.595766][ T4649] do_syscall_64+0x4c/0xa0
[ 279.600546][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 279.605242][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 279.609942][ T4649] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 279.615853][ T4649] RIP: 0033:0x7f8572d9e04a
[ 279.620377][ T4649] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 279.640881][ T4649] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.649308][ T4649] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 279.657376][ T4649] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 279.665439][ T4649] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 279.673522][ T4649] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 279.681507][ T4649] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 279.689494][ T4649]
[ 279.702358][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.715756][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.070985][ T4650] loop1: detected capacity change from 0 to 32768
[ 280.091330][ T4650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.099036][ T4650] CPU: 1 PID: 4650 Comm: syz.1.207 Not tainted syzkaller #0
[ 280.106467][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 280.116738][ T4650] Call Trace:
[ 280.120058][ T4650]
[ 280.123074][ T4650] dump_stack_lvl+0x188/0x24e
[ 280.127904][ T4650] ? show_regs_print_info+0x12/0x12
[ 280.133268][ T4650] ? load_image+0x400/0x400
[ 280.137834][ T4650] sysfs_create_dir_ns+0x26a/0x290
[ 280.143078][ T4650] ? sysfs_warn_dup+0xa0/0xa0
[ 280.147949][ T4650] ? do_raw_spin_unlock+0x11d/0x230
[ 280.153280][ T4650] kobject_add_internal+0x61c/0xcc0
[ 280.158614][ T4650] kobject_init_and_add+0x128/0x190
[ 280.163848][ T4650] ? lockdep_softirqs_off+0x430/0x430
[ 280.169441][ T4650] ? kobject_add+0x230/0x230
[ 280.174078][ T4650] ? __init_swait_queue_head+0xa5/0x150
[ 280.179802][ T4650] gfs2_sys_fs_add+0x24f/0x4b0
[ 280.184813][ T4650] ? gfs2_recover_set+0x240/0x240
[ 280.189986][ T4650] ? snprintf+0xe5/0x140
[ 280.194276][ T4650] ? vscnprintf+0x80/0x80
[ 280.198671][ T4650] gfs2_fill_super+0x128c/0x1fb0
[ 280.203751][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 280.208804][ T4650] ? sb_set_blocksize+0xa5/0xe0
[ 280.213765][ T4650] get_tree_bdev+0x3f1/0x610
[ 280.218463][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 280.223505][ T4650] gfs2_get_tree+0x4d/0x1e0
[ 280.228024][ T4650] vfs_get_tree+0x88/0x270
[ 280.232462][ T4650] do_new_mount+0x24a/0xa40
[ 280.236986][ T4650] __se_sys_mount+0x2e3/0x3d0
[ 280.241858][ T4650] ? __x64_sys_mount+0xc0/0xc0
[ 280.246641][ T4650] ? lockdep_hardirqs_on+0x94/0x140
[ 280.252112][ T4650] ? __x64_sys_mount+0x1c/0xc0
[ 280.257030][ T4650] do_syscall_64+0x4c/0xa0
[ 280.261465][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 280.266417][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 280.271199][ T4650] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 280.277108][ T4650] RIP: 0033:0x7f8572d9e04a
[ 280.281537][ T4650] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 280.301159][ T4650] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.309677][ T4650] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 280.317751][ T4650] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 280.325740][ T4650] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 280.333814][ T4650] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 280.341797][ T4650] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 280.349797][ T4650]
[ 280.356641][ T4650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.370250][ T4650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.685976][ T4651] loop1: detected capacity change from 0 to 32768
[ 280.699126][ T4651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.706761][ T4651] CPU: 0 PID: 4651 Comm: syz.1.208 Not tainted syzkaller #0
[ 280.714183][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 280.724464][ T4651] Call Trace:
[ 280.727790][ T4651]
[ 280.730764][ T4651] dump_stack_lvl+0x188/0x24e
[ 280.735508][ T4651] ? show_regs_print_info+0x12/0x12
[ 280.740731][ T4651] ? load_image+0x400/0x400
[ 280.745358][ T4651] sysfs_create_dir_ns+0x26a/0x290
[ 280.750519][ T4651] ? sysfs_warn_dup+0xa0/0xa0
[ 280.755478][ T4651] ? do_raw_spin_unlock+0x11d/0x230
[ 280.760696][ T4651] kobject_add_internal+0x61c/0xcc0
[ 280.765923][ T4651] kobject_init_and_add+0x128/0x190
[ 280.771225][ T4651] ? lockdep_softirqs_off+0x430/0x430
[ 280.776922][ T4651] ? kobject_add+0x230/0x230
[ 280.781560][ T4651] ? __init_swait_queue_head+0xa5/0x150
[ 280.787144][ T4651] gfs2_sys_fs_add+0x24f/0x4b0
[ 280.792035][ T4651] ? gfs2_recover_set+0x240/0x240
[ 280.797079][ T4651] ? snprintf+0xe5/0x140
[ 280.801341][ T4651] ? vscnprintf+0x80/0x80
[ 280.805702][ T4651] gfs2_fill_super+0x128c/0x1fb0
[ 280.810677][ T4651] ? gfs2_reconfigure+0xd30/0xd30
[ 280.815722][ T4651] ? sb_set_blocksize+0xa5/0xe0
[ 280.820679][ T4651] get_tree_bdev+0x3f1/0x610
[ 280.825290][ T4651] ? gfs2_reconfigure+0xd30/0xd30
[ 280.830329][ T4651] gfs2_get_tree+0x4d/0x1e0
[ 280.834848][ T4651] vfs_get_tree+0x88/0x270
[ 280.839286][ T4651] do_new_mount+0x24a/0xa40
[ 280.843908][ T4651] __se_sys_mount+0x2e3/0x3d0
[ 280.848800][ T4651] ? __x64_sys_mount+0xc0/0xc0
[ 280.853702][ T4651] ? lockdep_hardirqs_on+0x94/0x140
[ 280.859018][ T4651] ? __x64_sys_mount+0x1c/0xc0
[ 280.863810][ T4651] do_syscall_64+0x4c/0xa0
[ 280.868256][ T4651] ? clear_bhb_loop+0x60/0xb0
[ 280.872959][ T4651] ? clear_bhb_loop+0x60/0xb0
[ 280.877740][ T4651] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 280.883844][ T4651] RIP: 0033:0x7f8572d9e04a
[ 280.888361][ T4651] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 280.908331][ T4651] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.916765][ T4651] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 280.924842][ T4651] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 280.932916][ T4651] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 280.940910][ T4651] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 280.948984][ T4651] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 280.957088][ T4651]
[ 280.972388][ T4651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.988157][ T4651] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.322086][ T4652] loop1: detected capacity change from 0 to 32768
[ 281.338487][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.346110][ T4652] CPU: 0 PID: 4652 Comm: syz.1.209 Not tainted syzkaller #0
[ 281.353538][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.363647][ T4652] Call Trace:
[ 281.367055][ T4652]
[ 281.370031][ T4652] dump_stack_lvl+0x188/0x24e
[ 281.374766][ T4652] ? show_regs_print_info+0x12/0x12
[ 281.380074][ T4652] ? load_image+0x400/0x400
[ 281.384646][ T4652] sysfs_create_dir_ns+0x26a/0x290
[ 281.389812][ T4652] ? sysfs_warn_dup+0xa0/0xa0
[ 281.394539][ T4652] ? do_raw_spin_unlock+0x11d/0x230
[ 281.399989][ T4652] kobject_add_internal+0x61c/0xcc0
[ 281.405251][ T4652] kobject_init_and_add+0x128/0x190
[ 281.410669][ T4652] ? lockdep_softirqs_off+0x430/0x430
[ 281.416181][ T4652] ? kobject_add+0x230/0x230
[ 281.420822][ T4652] ? __init_swait_queue_head+0xa5/0x150
[ 281.426425][ T4652] gfs2_sys_fs_add+0x24f/0x4b0
[ 281.431250][ T4652] ? gfs2_recover_set+0x240/0x240
[ 281.436401][ T4652] ? snprintf+0xe5/0x140
[ 281.440750][ T4652] ? vscnprintf+0x80/0x80
[ 281.445111][ T4652] gfs2_fill_super+0x128c/0x1fb0
[ 281.450256][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 281.455305][ T4652] ? sb_set_blocksize+0xa5/0xe0
[ 281.460180][ T4652] get_tree_bdev+0x3f1/0x610
[ 281.464790][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 281.469906][ T4652] gfs2_get_tree+0x4d/0x1e0
[ 281.474519][ T4652] vfs_get_tree+0x88/0x270
[ 281.478954][ T4652] do_new_mount+0x24a/0xa40
[ 281.483482][ T4652] __se_sys_mount+0x2e3/0x3d0
[ 281.488181][ T4652] ? __x64_sys_mount+0xc0/0xc0
[ 281.492972][ T4652] ? lockdep_hardirqs_on+0x94/0x140
[ 281.498190][ T4652] ? __x64_sys_mount+0x1c/0xc0
[ 281.502970][ T4652] do_syscall_64+0x4c/0xa0
[ 281.507436][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 281.512217][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 281.516921][ T4652] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 281.522830][ T4652] RIP: 0033:0x7f8572d9e04a
[ 281.527260][ T4652] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 281.546973][ T4652] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.555413][ T4652] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 281.563400][ T4652] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 281.571386][ T4652] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 281.579542][ T4652] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 281.587613][ T4652] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 281.595785][ T4652]
[ 281.610342][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.626173][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.952187][ T4653] loop1: detected capacity change from 0 to 32768
[ 281.968223][ T4653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.976212][ T4653] CPU: 1 PID: 4653 Comm: syz.1.210 Not tainted syzkaller #0
[ 281.983553][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.993650][ T4653] Call Trace:
[ 281.997058][ T4653]
[ 282.000113][ T4653] dump_stack_lvl+0x188/0x24e
[ 282.004846][ T4653] ? show_regs_print_info+0x12/0x12
[ 282.010104][ T4653] ? load_image+0x400/0x400
[ 282.014758][ T4653] sysfs_create_dir_ns+0x26a/0x290
[ 282.019917][ T4653] ? sysfs_warn_dup+0xa0/0xa0
[ 282.024638][ T4653] ? do_raw_spin_unlock+0x11d/0x230
[ 282.029913][ T4653] kobject_add_internal+0x61c/0xcc0
[ 282.035192][ T4653] kobject_init_and_add+0x128/0x190
[ 282.040605][ T4653] ? lockdep_softirqs_off+0x430/0x430
[ 282.046023][ T4653] ? kobject_add+0x230/0x230
[ 282.050744][ T4653] ? __init_swait_queue_head+0xa5/0x150
[ 282.056354][ T4653] gfs2_sys_fs_add+0x24f/0x4b0
[ 282.061176][ T4653] ? gfs2_recover_set+0x240/0x240
[ 282.066274][ T4653] ? snprintf+0xe5/0x140
[ 282.070569][ T4653] ? vscnprintf+0x80/0x80
[ 282.074957][ T4653] gfs2_fill_super+0x128c/0x1fb0
[ 282.079960][ T4653] ? gfs2_reconfigure+0xd30/0xd30
[ 282.085023][ T4653] ? sb_set_blocksize+0xa5/0xe0
[ 282.089910][ T4653] get_tree_bdev+0x3f1/0x610
[ 282.094524][ T4653] ? gfs2_reconfigure+0xd30/0xd30
[ 282.099649][ T4653] gfs2_get_tree+0x4d/0x1e0
[ 282.104205][ T4653] vfs_get_tree+0x88/0x270
[ 282.108661][ T4653] do_new_mount+0x24a/0xa40
[ 282.113223][ T4653] __se_sys_mount+0x2e3/0x3d0
[ 282.117935][ T4653] ? __x64_sys_mount+0xc0/0xc0
[ 282.122718][ T4653] ? lockdep_hardirqs_on+0x94/0x140
[ 282.128020][ T4653] ? __x64_sys_mount+0x1c/0xc0
[ 282.132803][ T4653] do_syscall_64+0x4c/0xa0
[ 282.137333][ T4653] ? clear_bhb_loop+0x60/0xb0
[ 282.142028][ T4653] ? clear_bhb_loop+0x60/0xb0
[ 282.146723][ T4653] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 282.152808][ T4653] RIP: 0033:0x7f8572d9e04a
[ 282.157323][ T4653] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 282.176952][ T4653] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.185402][ T4653] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 282.193665][ T4653] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 282.201744][ T4653] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 282.209819][ T4653] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 282.217887][ T4653] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 282.225883][ T4653]
[ 282.241286][ T4653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.254823][ T4653] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 05:51:22 executed programs: 196
[ 282.576583][ T4654] loop1: detected capacity change from 0 to 32768
[ 282.592464][ T4654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.600028][ T4654] CPU: 1 PID: 4654 Comm: syz.1.211 Not tainted syzkaller #0
[ 282.607541][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 282.617816][ T4654] Call Trace:
[ 282.621159][ T4654]
[ 282.624139][ T4654] dump_stack_lvl+0x188/0x24e
[ 282.628881][ T4654] ? show_regs_print_info+0x12/0x12
[ 282.634244][ T4654] ? load_image+0x400/0x400
[ 282.638822][ T4654] sysfs_create_dir_ns+0x26a/0x290
[ 282.644000][ T4654] ? sysfs_warn_dup+0xa0/0xa0
[ 282.648725][ T4654] ? do_raw_spin_unlock+0x11d/0x230
[ 282.654065][ T4654] kobject_add_internal+0x61c/0xcc0
[ 282.659331][ T4654] kobject_init_and_add+0x128/0x190
[ 282.664558][ T4654] ? lockdep_softirqs_off+0x430/0x430
[ 282.670071][ T4654] ? kobject_add+0x230/0x230
[ 282.674690][ T4654] ? __init_swait_queue_head+0xa5/0x150
[ 282.680261][ T4654] gfs2_sys_fs_add+0x24f/0x4b0
[ 282.685074][ T4654] ? gfs2_recover_set+0x240/0x240
[ 282.690127][ T4654] ? snprintf+0xe5/0x140
[ 282.694395][ T4654] ? vscnprintf+0x80/0x80
[ 282.698749][ T4654] gfs2_fill_super+0x128c/0x1fb0
[ 282.703715][ T4654] ? gfs2_reconfigure+0xd30/0xd30
[ 282.708768][ T4654] ? sb_set_blocksize+0xa5/0xe0
[ 282.713639][ T4654] get_tree_bdev+0x3f1/0x610
[ 282.718254][ T4654] ? gfs2_reconfigure+0xd30/0xd30
[ 282.723301][ T4654] gfs2_get_tree+0x4d/0x1e0
[ 282.727823][ T4654] vfs_get_tree+0x88/0x270
[ 282.732267][ T4654] do_new_mount+0x24a/0xa40
[ 282.736876][ T4654] __se_sys_mount+0x2e3/0x3d0
[ 282.741573][ T4654] ? __x64_sys_mount+0xc0/0xc0
[ 282.746353][ T4654] ? lockdep_hardirqs_on+0x94/0x140
[ 282.751564][ T4654] ? __x64_sys_mount+0x1c/0xc0
[ 282.756343][ T4654] do_syscall_64+0x4c/0xa0
[ 282.760799][ T4654] ? clear_bhb_loop+0x60/0xb0
[ 282.765516][ T4654] ? clear_bhb_loop+0x60/0xb0
[ 282.770232][ T4654] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 282.776158][ T4654] RIP: 0033:0x7f8572d9e04a
[ 282.780588][ T4654] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 282.800302][ T4654] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.808730][ T4654] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 282.816715][ T4654] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 282.824703][ T4654] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 282.832785][ T4654] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 282.840967][ T4654] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 282.849147][ T4654]
[ 282.855054][ T4654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.868535][ T4654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.172259][ T4655] loop1: detected capacity change from 0 to 32768
[ 283.187405][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.195657][ T4655] CPU: 1 PID: 4655 Comm: syz.1.212 Not tainted syzkaller #0
[ 283.203093][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.213258][ T4655] Call Trace:
[ 283.216728][ T4655]
[ 283.219680][ T4655] dump_stack_lvl+0x188/0x24e
[ 283.224384][ T4655] ? show_regs_print_info+0x12/0x12
[ 283.229607][ T4655] ? load_image+0x400/0x400
[ 283.234231][ T4655] sysfs_create_dir_ns+0x26a/0x290
[ 283.239393][ T4655] ? sysfs_warn_dup+0xa0/0xa0
[ 283.244089][ T4655] ? do_raw_spin_unlock+0x11d/0x230
[ 283.249394][ T4655] kobject_add_internal+0x61c/0xcc0
[ 283.254617][ T4655] kobject_init_and_add+0x128/0x190
[ 283.259833][ T4655] ? lockdep_softirqs_off+0x430/0x430
[ 283.265246][ T4655] ? kobject_add+0x230/0x230
[ 283.269855][ T4655] ? __init_swait_queue_head+0xa5/0x150
[ 283.275421][ T4655] gfs2_sys_fs_add+0x24f/0x4b0
[ 283.280209][ T4655] ? gfs2_recover_set+0x240/0x240
[ 283.285343][ T4655] ? snprintf+0xe5/0x140
[ 283.289608][ T4655] ? vscnprintf+0x80/0x80
[ 283.293973][ T4655] gfs2_fill_super+0x128c/0x1fb0
[ 283.298945][ T4655] ? gfs2_reconfigure+0xd30/0xd30
[ 283.304003][ T4655] ? sb_set_blocksize+0xa5/0xe0
[ 283.308890][ T4655] get_tree_bdev+0x3f1/0x610
[ 283.313521][ T4655] ? gfs2_reconfigure+0xd30/0xd30
[ 283.318560][ T4655] gfs2_get_tree+0x4d/0x1e0
[ 283.323079][ T4655] vfs_get_tree+0x88/0x270
[ 283.327562][ T4655] do_new_mount+0x24a/0xa40
[ 283.332098][ T4655] __se_sys_mount+0x2e3/0x3d0
[ 283.336791][ T4655] ? __x64_sys_mount+0xc0/0xc0
[ 283.341574][ T4655] ? lockdep_hardirqs_on+0x94/0x140
[ 283.346787][ T4655] ? __x64_sys_mount+0x1c/0xc0
[ 283.351574][ T4655] do_syscall_64+0x4c/0xa0
[ 283.356011][ T4655] ? clear_bhb_loop+0x60/0xb0
[ 283.360705][ T4655] ? clear_bhb_loop+0x60/0xb0
[ 283.365405][ T4655] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 283.371313][ T4655] RIP: 0033:0x7f8572d9e04a
[ 283.375745][ T4655] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 283.395365][ T4655] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.404108][ T4655] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 283.412389][ T4655] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 283.420473][ T4655] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 283.428468][ T4655] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 283.436549][ T4655] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 283.444898][ T4655]
[ 283.456612][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.471069][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.809584][ T4656] loop1: detected capacity change from 0 to 32768
[ 283.818116][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.826962][ T4656] CPU: 1 PID: 4656 Comm: syz.1.213 Not tainted syzkaller #0
[ 283.834302][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.844572][ T4656] Call Trace:
[ 283.847984][ T4656]
[ 283.850959][ T4656] dump_stack_lvl+0x188/0x24e
[ 283.855695][ T4656] ? show_regs_print_info+0x12/0x12
[ 283.861036][ T4656] ? load_image+0x400/0x400
[ 283.865604][ T4656] sysfs_create_dir_ns+0x26a/0x290
[ 283.870791][ T4656] ? sysfs_warn_dup+0xa0/0xa0
[ 283.875526][ T4656] ? do_raw_spin_unlock+0x11d/0x230
[ 283.880856][ T4656] kobject_add_internal+0x61c/0xcc0
[ 283.886118][ T4656] kobject_init_and_add+0x128/0x190
[ 283.891359][ T4656] ? lockdep_softirqs_off+0x430/0x430
[ 283.896867][ T4656] ? kobject_add+0x230/0x230
[ 283.901508][ T4656] ? __init_swait_queue_head+0xa5/0x150
[ 283.907184][ T4656] gfs2_sys_fs_add+0x24f/0x4b0
[ 283.912080][ T4656] ? gfs2_recover_set+0x240/0x240
[ 283.917147][ T4656] ? snprintf+0xe5/0x140
[ 283.921438][ T4656] ? vscnprintf+0x80/0x80
[ 283.925924][ T4656] gfs2_fill_super+0x128c/0x1fb0
[ 283.930931][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 283.936114][ T4656] ? sb_set_blocksize+0xa5/0xe0
[ 283.941073][ T4656] get_tree_bdev+0x3f1/0x610
[ 283.945685][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 283.950735][ T4656] gfs2_get_tree+0x4d/0x1e0
[ 283.955445][ T4656] vfs_get_tree+0x88/0x270
[ 283.959877][ T4656] do_new_mount+0x24a/0xa40
[ 283.964412][ T4656] __se_sys_mount+0x2e3/0x3d0
[ 283.969199][ T4656] ? __x64_sys_mount+0xc0/0xc0
[ 283.974035][ T4656] ? lockdep_hardirqs_on+0x94/0x140
[ 283.979270][ T4656] ? __x64_sys_mount+0x1c/0xc0
[ 283.984068][ T4656] do_syscall_64+0x4c/0xa0
[ 283.988513][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 283.993206][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 283.997907][ T4656] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 284.003825][ T4656] RIP: 0033:0x7f8572d9e04a
[ 284.008273][ T4656] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 284.027917][ T4656] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.036352][ T4656] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 284.044599][ T4656] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 284.052584][ T4656] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 284.060598][ T4656] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 284.068673][ T4656] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 284.076693][ T4656]
[ 284.089398][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.105277][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.426180][ T4657] loop1: detected capacity change from 0 to 32768
[ 284.451064][ T4657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.459520][ T4657] CPU: 0 PID: 4657 Comm: syz.1.214 Not tainted syzkaller #0
[ 284.466848][ T4657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 284.477052][ T4657] Call Trace:
[ 284.480371][ T4657]
[ 284.483345][ T4657] dump_stack_lvl+0x188/0x24e
[ 284.488077][ T4657] ? show_regs_print_info+0x12/0x12
[ 284.493329][ T4657] ? load_image+0x400/0x400
[ 284.497906][ T4657] sysfs_create_dir_ns+0x26a/0x290
[ 284.503137][ T4657] ? sysfs_warn_dup+0xa0/0xa0
[ 284.507871][ T4657] ? do_raw_spin_unlock+0x11d/0x230
[ 284.513139][ T4657] kobject_add_internal+0x61c/0xcc0
[ 284.518412][ T4657] kobject_init_and_add+0x128/0x190
[ 284.523754][ T4657] ? lockdep_softirqs_off+0x430/0x430
[ 284.529174][ T4657] ? kobject_add+0x230/0x230
[ 284.533788][ T4657] ? __init_swait_queue_head+0xa5/0x150
[ 284.539567][ T4657] gfs2_sys_fs_add+0x24f/0x4b0
[ 284.544358][ T4657] ? gfs2_recover_set+0x240/0x240
[ 284.549405][ T4657] ? snprintf+0xe5/0x140
[ 284.553669][ T4657] ? vscnprintf+0x80/0x80
[ 284.558039][ T4657] gfs2_fill_super+0x128c/0x1fb0
[ 284.563019][ T4657] ? gfs2_reconfigure+0xd30/0xd30
[ 284.568062][ T4657] ? sb_set_blocksize+0xa5/0xe0
[ 284.572942][ T4657] get_tree_bdev+0x3f1/0x610
[ 284.577551][ T4657] ? gfs2_reconfigure+0xd30/0xd30
[ 284.582591][ T4657] gfs2_get_tree+0x4d/0x1e0
[ 284.587203][ T4657] vfs_get_tree+0x88/0x270
[ 284.591639][ T4657] do_new_mount+0x24a/0xa40
[ 284.596347][ T4657] __se_sys_mount+0x2e3/0x3d0
[ 284.601136][ T4657] ? __x64_sys_mount+0xc0/0xc0
[ 284.606108][ T4657] ? lockdep_hardirqs_on+0x94/0x140
[ 284.611497][ T4657] ? __x64_sys_mount+0x1c/0xc0
[ 284.616364][ T4657] do_syscall_64+0x4c/0xa0
[ 284.620798][ T4657] ? clear_bhb_loop+0x60/0xb0
[ 284.625490][ T4657] ? clear_bhb_loop+0x60/0xb0
[ 284.630239][ T4657] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 284.636232][ T4657] RIP: 0033:0x7f8572d9e04a
[ 284.640659][ T4657] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 284.660973][ T4657] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.669487][ T4657] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 284.677472][ T4657] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 284.685489][ T4657] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 284.693655][ T4657] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 284.701672][ T4657] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 284.709669][ T4657]
[ 284.719322][ T4657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.733857][ T4657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.038262][ T4658] loop1: detected capacity change from 0 to 32768
[ 285.051848][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.059403][ T4658] CPU: 1 PID: 4658 Comm: syz.1.215 Not tainted syzkaller #0
[ 285.066795][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.077131][ T4658] Call Trace:
[ 285.080426][ T4658]
[ 285.083374][ T4658] dump_stack_lvl+0x188/0x24e
[ 285.088164][ T4658] ? show_regs_print_info+0x12/0x12
[ 285.093388][ T4658] ? load_image+0x400/0x400
[ 285.098007][ T4658] sysfs_create_dir_ns+0x26a/0x290
[ 285.103141][ T4658] ? sysfs_warn_dup+0xa0/0xa0
[ 285.107878][ T4658] ? do_raw_spin_unlock+0x11d/0x230
[ 285.113104][ T4658] kobject_add_internal+0x61c/0xcc0
[ 285.118324][ T4658] kobject_init_and_add+0x128/0x190
[ 285.123544][ T4658] ? lockdep_softirqs_off+0x430/0x430
[ 285.129111][ T4658] ? kobject_add+0x230/0x230
[ 285.133980][ T4658] ? __init_swait_queue_head+0xa5/0x150
[ 285.139723][ T4658] gfs2_sys_fs_add+0x24f/0x4b0
[ 285.144524][ T4658] ? gfs2_recover_set+0x240/0x240
[ 285.149571][ T4658] ? snprintf+0xe5/0x140
[ 285.153897][ T4658] ? vscnprintf+0x80/0x80
[ 285.158259][ T4658] gfs2_fill_super+0x128c/0x1fb0
[ 285.163227][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 285.168276][ T4658] ? sb_set_blocksize+0xa5/0xe0
[ 285.173168][ T4658] get_tree_bdev+0x3f1/0x610
[ 285.177874][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 285.182999][ T4658] gfs2_get_tree+0x4d/0x1e0
[ 285.187521][ T4658] vfs_get_tree+0x88/0x270
[ 285.191984][ T4658] do_new_mount+0x24a/0xa40
[ 285.196692][ T4658] __se_sys_mount+0x2e3/0x3d0
[ 285.201391][ T4658] ? __x64_sys_mount+0xc0/0xc0
[ 285.206175][ T4658] ? lockdep_hardirqs_on+0x94/0x140
[ 285.211390][ T4658] ? __x64_sys_mount+0x1c/0xc0
[ 285.216169][ T4658] do_syscall_64+0x4c/0xa0
[ 285.220612][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 285.225302][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 285.230082][ T4658] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 285.236172][ T4658] RIP: 0033:0x7f8572d9e04a
[ 285.240690][ T4658] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 285.260309][ T4658] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.268838][ T4658] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 285.277022][ T4658] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 285.285097][ T4658] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 285.293084][ T4658] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 285.301070][ T4658] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 285.309243][ T4658]
[ 285.321149][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.334622][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.675992][ T4659] loop1: detected capacity change from 0 to 32768
[ 285.692161][ T4659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.699603][ T4659] CPU: 1 PID: 4659 Comm: syz.1.216 Not tainted syzkaller #0
[ 285.707032][ T4659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.717134][ T4659] Call Trace:
[ 285.720453][ T4659]
[ 285.723421][ T4659] dump_stack_lvl+0x188/0x24e
[ 285.728155][ T4659] ? show_regs_print_info+0x12/0x12
[ 285.733414][ T4659] ? load_image+0x400/0x400
[ 285.738081][ T4659] sysfs_create_dir_ns+0x26a/0x290
[ 285.743434][ T4659] ? sysfs_warn_dup+0xa0/0xa0
[ 285.748250][ T4659] ? do_raw_spin_unlock+0x11d/0x230
[ 285.753664][ T4659] kobject_add_internal+0x61c/0xcc0
[ 285.758899][ T4659] kobject_init_and_add+0x128/0x190
[ 285.764125][ T4659] ? lockdep_softirqs_off+0x430/0x430
[ 285.771799][ T4659] ? kobject_add+0x230/0x230
[ 285.776869][ T4659] ? __init_swait_queue_head+0xa5/0x150
[ 285.782540][ T4659] gfs2_sys_fs_add+0x24f/0x4b0
[ 285.787426][ T4659] ? gfs2_recover_set+0x240/0x240
[ 285.792475][ T4659] ? snprintf+0xe5/0x140
[ 285.796825][ T4659] ? vscnprintf+0x80/0x80
[ 285.801188][ T4659] gfs2_fill_super+0x128c/0x1fb0
[ 285.806172][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 285.811230][ T4659] ? sb_set_blocksize+0xa5/0xe0
[ 285.816102][ T4659] get_tree_bdev+0x3f1/0x610
[ 285.820709][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 285.825750][ T4659] gfs2_get_tree+0x4d/0x1e0
[ 285.830272][ T4659] vfs_get_tree+0x88/0x270
[ 285.834820][ T4659] do_new_mount+0x24a/0xa40
[ 285.839527][ T4659] __se_sys_mount+0x2e3/0x3d0
[ 285.844224][ T4659] ? __x64_sys_mount+0xc0/0xc0
[ 285.849104][ T4659] ? lockdep_hardirqs_on+0x94/0x140
[ 285.854410][ T4659] ? __x64_sys_mount+0x1c/0xc0
[ 285.859284][ T4659] do_syscall_64+0x4c/0xa0
[ 285.863835][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 285.868531][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 285.873250][ T4659] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 285.879160][ T4659] RIP: 0033:0x7f8572d9e04a
[ 285.883681][ T4659] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 285.903562][ T4659] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.912084][ T4659] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 285.920157][ T4659] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 285.928313][ T4659] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 285.936299][ T4659] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 285.944285][ T4659] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 285.952281][ T4659]
[ 285.958010][ T4659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.971957][ T4659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.283595][ T4660] loop1: detected capacity change from 0 to 32768
[ 286.303926][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.311629][ T4660] CPU: 0 PID: 4660 Comm: syz.1.217 Not tainted syzkaller #0
[ 286.319058][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.329157][ T4660] Call Trace:
[ 286.332469][ T4660]
[ 286.335419][ T4660] dump_stack_lvl+0x188/0x24e
[ 286.340209][ T4660] ? show_regs_print_info+0x12/0x12
[ 286.345436][ T4660] ? load_image+0x400/0x400
[ 286.349987][ T4660] sysfs_create_dir_ns+0x26a/0x290
[ 286.355302][ T4660] ? sysfs_warn_dup+0xa0/0xa0
[ 286.360016][ T4660] ? do_raw_spin_unlock+0x11d/0x230
[ 286.365431][ T4660] kobject_add_internal+0x61c/0xcc0
[ 286.370825][ T4660] kobject_init_and_add+0x128/0x190
[ 286.376047][ T4660] ? lockdep_softirqs_off+0x430/0x430
[ 286.381794][ T4660] ? kobject_add+0x230/0x230
[ 286.386499][ T4660] ? __init_swait_queue_head+0xa5/0x150
[ 286.392158][ T4660] gfs2_sys_fs_add+0x24f/0x4b0
[ 286.396949][ T4660] ? gfs2_recover_set+0x240/0x240
[ 286.401998][ T4660] ? snprintf+0xe5/0x140
[ 286.406784][ T4660] ? vscnprintf+0x80/0x80
[ 286.411230][ T4660] gfs2_fill_super+0x128c/0x1fb0
[ 286.416204][ T4660] ? gfs2_reconfigure+0xd30/0xd30
[ 286.421339][ T4660] ? sb_set_blocksize+0xa5/0xe0
[ 286.426214][ T4660] get_tree_bdev+0x3f1/0x610
[ 286.430826][ T4660] ? gfs2_reconfigure+0xd30/0xd30
[ 286.435879][ T4660] gfs2_get_tree+0x4d/0x1e0
[ 286.440400][ T4660] vfs_get_tree+0x88/0x270
[ 286.444837][ T4660] do_new_mount+0x24a/0xa40
[ 286.449455][ T4660] __se_sys_mount+0x2e3/0x3d0
[ 286.454152][ T4660] ? __x64_sys_mount+0xc0/0xc0
[ 286.458936][ T4660] ? lockdep_hardirqs_on+0x94/0x140
[ 286.464168][ T4660] ? __x64_sys_mount+0x1c/0xc0
[ 286.468955][ T4660] do_syscall_64+0x4c/0xa0
[ 286.473394][ T4660] ? clear_bhb_loop+0x60/0xb0
[ 286.478090][ T4660] ? clear_bhb_loop+0x60/0xb0
[ 286.483048][ T4660] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 286.489058][ T4660] RIP: 0033:0x7f8572d9e04a
[ 286.493594][ T4660] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 286.513476][ T4660] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.521999][ T4660] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 286.530002][ T4660] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 286.538075][ T4660] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 286.546163][ T4660] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 286.554323][ T4660] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 286.562581][ T4660]
[ 286.577067][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.594145][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.934995][ T4661] loop1: detected capacity change from 0 to 32768
[ 286.948519][ T4661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.956079][ T4661] CPU: 1 PID: 4661 Comm: syz.1.218 Not tainted syzkaller #0
[ 286.963599][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.973882][ T4661] Call Trace:
[ 286.977197][ T4661]
[ 286.980198][ T4661] dump_stack_lvl+0x188/0x24e
[ 286.985042][ T4661] ? show_regs_print_info+0x12/0x12
[ 286.990300][ T4661] ? load_image+0x400/0x400
[ 286.994874][ T4661] sysfs_create_dir_ns+0x26a/0x290
[ 287.000296][ T4661] ? sysfs_warn_dup+0xa0/0xa0
[ 287.005021][ T4661] ? do_raw_spin_unlock+0x11d/0x230
[ 287.010265][ T4661] kobject_add_internal+0x61c/0xcc0
[ 287.015689][ T4661] kobject_init_and_add+0x128/0x190
[ 287.021022][ T4661] ? lockdep_softirqs_off+0x430/0x430
[ 287.026447][ T4661] ? kobject_add+0x230/0x230
[ 287.031084][ T4661] ? __init_swait_queue_head+0xa5/0x150
[ 287.036678][ T4661] gfs2_sys_fs_add+0x24f/0x4b0
[ 287.041493][ T4661] ? gfs2_recover_set+0x240/0x240
[ 287.046581][ T4661] ? snprintf+0xe5/0x140
[ 287.050875][ T4661] ? vscnprintf+0x80/0x80
[ 287.055263][ T4661] gfs2_fill_super+0x128c/0x1fb0
[ 287.060276][ T4661] ? gfs2_reconfigure+0xd30/0xd30
[ 287.065512][ T4661] ? sb_set_blocksize+0xa5/0xe0
[ 287.070386][ T4661] get_tree_bdev+0x3f1/0x610
[ 287.075002][ T4661] ? gfs2_reconfigure+0xd30/0xd30
[ 287.080047][ T4661] gfs2_get_tree+0x4d/0x1e0
[ 287.084575][ T4661] vfs_get_tree+0x88/0x270
[ 287.089007][ T4661] do_new_mount+0x24a/0xa40
[ 287.093570][ T4661] __se_sys_mount+0x2e3/0x3d0
[ 287.098379][ T4661] ? __x64_sys_mount+0xc0/0xc0
[ 287.103160][ T4661] ? lockdep_hardirqs_on+0x94/0x140
[ 287.108373][ T4661] ? __x64_sys_mount+0x1c/0xc0
[ 287.113330][ T4661] do_syscall_64+0x4c/0xa0
[ 287.117768][ T4661] ? clear_bhb_loop+0x60/0xb0
[ 287.122636][ T4661] ? clear_bhb_loop+0x60/0xb0
[ 287.127419][ T4661] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 287.133327][ T4661] RIP: 0033:0x7f8572d9e04a
[ 287.137753][ T4661] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 287.157550][ T4661] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.166075][ T4661] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 287.174346][ T4661] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 287.182361][ T4661] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 287.190438][ T4661] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 287.198431][ T4661] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 287.206523][ T4661]
[ 287.217768][ T4661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.232697][ T4661] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.557138][ T4662] loop1: detected capacity change from 0 to 32768
[ 287.573657][ T4662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.581211][ T4662] CPU: 1 PID: 4662 Comm: syz.1.219 Not tainted syzkaller #0
[ 287.588725][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.599007][ T4662] Call Trace:
[ 287.602324][ T4662]
[ 287.605322][ T4662] dump_stack_lvl+0x188/0x24e
[ 287.610056][ T4662] ? show_regs_print_info+0x12/0x12
[ 287.615312][ T4662] ? load_image+0x400/0x400
[ 287.619960][ T4662] sysfs_create_dir_ns+0x26a/0x290
[ 287.625218][ T4662] ? sysfs_warn_dup+0xa0/0xa0
[ 287.629957][ T4662] ? do_raw_spin_unlock+0x11d/0x230
[ 287.635220][ T4662] kobject_add_internal+0x61c/0xcc0
[ 287.640473][ T4662] kobject_init_and_add+0x128/0x190
[ 287.645702][ T4662] ? lockdep_softirqs_off+0x430/0x430
[ 287.651108][ T4662] ? kobject_add+0x230/0x230
[ 287.655889][ T4662] ? __init_swait_queue_head+0xa5/0x150
[ 287.661474][ T4662] gfs2_sys_fs_add+0x24f/0x4b0
[ 287.666359][ T4662] ? gfs2_recover_set+0x240/0x240
[ 287.671424][ T4662] ? snprintf+0xe5/0x140
[ 287.675686][ T4662] ? vscnprintf+0x80/0x80
[ 287.680059][ T4662] gfs2_fill_super+0x128c/0x1fb0
[ 287.685025][ T4662] ? gfs2_reconfigure+0xd30/0xd30
[ 287.690095][ T4662] ? sb_set_blocksize+0xa5/0xe0
[ 287.695076][ T4662] get_tree_bdev+0x3f1/0x610
[ 287.699701][ T4662] ? gfs2_reconfigure+0xd30/0xd30
[ 287.704756][ T4662] gfs2_get_tree+0x4d/0x1e0
[ 287.709376][ T4662] vfs_get_tree+0x88/0x270
[ 287.713904][ T4662] do_new_mount+0x24a/0xa40
[ 287.718519][ T4662] __se_sys_mount+0x2e3/0x3d0
[ 287.723305][ T4662] ? __x64_sys_mount+0xc0/0xc0
[ 287.728275][ T4662] ? lockdep_hardirqs_on+0x94/0x140
[ 287.733540][ T4662] ? __x64_sys_mount+0x1c/0xc0
[ 287.738329][ T4662] do_syscall_64+0x4c/0xa0
[ 287.742775][ T4662] ? clear_bhb_loop+0x60/0xb0
[ 287.747473][ T4662] ? clear_bhb_loop+0x60/0xb0
[ 287.752316][ T4662] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 287.758252][ T4662] RIP: 0033:0x7f8572d9e04a
[ 287.762696][ T4662] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 287.782407][ T4662] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.790924][ T4662] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 287.798997][ T4662] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 287.807076][ T4662] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 287.815243][ T4662] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 287.823486][ T4662] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 287.831571][ T4662]
[ 287.844489][ T4662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.862257][ T4662] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 05:51:27 executed programs: 205
[ 288.179331][ T4663] loop1: detected capacity change from 0 to 32768
[ 288.199637][ T4663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.207504][ T4663] CPU: 1 PID: 4663 Comm: syz.1.220 Not tainted syzkaller #0
[ 288.214837][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.225023][ T4663] Call Trace:
[ 288.228342][ T4663]
[ 288.231314][ T4663] dump_stack_lvl+0x188/0x24e
[ 288.236050][ T4663] ? show_regs_print_info+0x12/0x12
[ 288.241313][ T4663] ? load_image+0x400/0x400
[ 288.245976][ T4663] sysfs_create_dir_ns+0x26a/0x290
[ 288.251135][ T4663] ? sysfs_warn_dup+0xa0/0xa0
[ 288.255860][ T4663] ? do_raw_spin_unlock+0x11d/0x230
[ 288.261117][ T4663] kobject_add_internal+0x61c/0xcc0
[ 288.266366][ T4663] kobject_init_and_add+0x128/0x190
[ 288.271695][ T4663] ? lockdep_softirqs_off+0x430/0x430
[ 288.277373][ T4663] ? kobject_add+0x230/0x230
[ 288.282013][ T4663] ? __init_swait_queue_head+0xa5/0x150
[ 288.287720][ T4663] gfs2_sys_fs_add+0x24f/0x4b0
[ 288.292546][ T4663] ? gfs2_recover_set+0x240/0x240
[ 288.297625][ T4663] ? snprintf+0xe5/0x140
[ 288.301946][ T4663] ? vscnprintf+0x80/0x80
[ 288.306329][ T4663] gfs2_fill_super+0x128c/0x1fb0
[ 288.311321][ T4663] ? gfs2_reconfigure+0xd30/0xd30
[ 288.316472][ T4663] ? sb_set_blocksize+0xa5/0xe0
[ 288.321352][ T4663] get_tree_bdev+0x3f1/0x610
[ 288.326059][ T4663] ? gfs2_reconfigure+0xd30/0xd30
[ 288.331288][ T4663] gfs2_get_tree+0x4d/0x1e0
[ 288.335812][ T4663] vfs_get_tree+0x88/0x270
[ 288.340243][ T4663] do_new_mount+0x24a/0xa40
[ 288.344768][ T4663] __se_sys_mount+0x2e3/0x3d0
[ 288.349465][ T4663] ? __x64_sys_mount+0xc0/0xc0
[ 288.354421][ T4663] ? lockdep_hardirqs_on+0x94/0x140
[ 288.359635][ T4663] ? __x64_sys_mount+0x1c/0xc0
[ 288.364507][ T4663] do_syscall_64+0x4c/0xa0
[ 288.368949][ T4663] ? clear_bhb_loop+0x60/0xb0
[ 288.373644][ T4663] ? clear_bhb_loop+0x60/0xb0
[ 288.378341][ T4663] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 288.384340][ T4663] RIP: 0033:0x7f8572d9e04a
[ 288.388787][ T4663] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 288.408528][ T4663] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.417150][ T4663] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 288.425168][ T4663] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 288.433244][ T4663] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 288.441603][ T4663] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 288.449696][ T4663] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 288.457788][ T4663]
[ 288.472976][ T4663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.489138][ T4663] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.794344][ T4664] loop1: detected capacity change from 0 to 32768
[ 288.813044][ T4664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.820673][ T4664] CPU: 0 PID: 4664 Comm: syz.1.221 Not tainted syzkaller #0
[ 288.828183][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.838459][ T4664] Call Trace:
[ 288.841787][ T4664]
[ 288.844773][ T4664] dump_stack_lvl+0x188/0x24e
[ 288.849605][ T4664] ? show_regs_print_info+0x12/0x12
[ 288.854866][ T4664] ? load_image+0x400/0x400
[ 288.859449][ T4664] sysfs_create_dir_ns+0x26a/0x290
[ 288.864697][ T4664] ? sysfs_warn_dup+0xa0/0xa0
[ 288.869419][ T4664] ? do_raw_spin_unlock+0x11d/0x230
[ 288.874928][ T4664] kobject_add_internal+0x61c/0xcc0
[ 288.880172][ T4664] kobject_init_and_add+0x128/0x190
[ 288.885504][ T4664] ? lockdep_softirqs_off+0x430/0x430
[ 288.891100][ T4664] ? kobject_add+0x230/0x230
[ 288.895878][ T4664] ? __init_swait_queue_head+0xa5/0x150
[ 288.901499][ T4664] gfs2_sys_fs_add+0x24f/0x4b0
[ 288.906328][ T4664] ? gfs2_recover_set+0x240/0x240
[ 288.911405][ T4664] ? snprintf+0xe5/0x140
[ 288.915685][ T4664] ? vscnprintf+0x80/0x80
[ 288.920043][ T4664] gfs2_fill_super+0x128c/0x1fb0
[ 288.925006][ T4664] ? gfs2_reconfigure+0xd30/0xd30
[ 288.930140][ T4664] ? sb_set_blocksize+0xa5/0xe0
[ 288.935124][ T4664] get_tree_bdev+0x3f1/0x610
[ 288.939733][ T4664] ? gfs2_reconfigure+0xd30/0xd30
[ 288.944776][ T4664] gfs2_get_tree+0x4d/0x1e0
[ 288.949387][ T4664] vfs_get_tree+0x88/0x270
[ 288.953913][ T4664] do_new_mount+0x24a/0xa40
[ 288.958442][ T4664] __se_sys_mount+0x2e3/0x3d0
[ 288.963228][ T4664] ? __x64_sys_mount+0xc0/0xc0
[ 288.968016][ T4664] ? lockdep_hardirqs_on+0x94/0x140
[ 288.973312][ T4664] ? __x64_sys_mount+0x1c/0xc0
[ 288.978092][ T4664] do_syscall_64+0x4c/0xa0
[ 288.982532][ T4664] ? clear_bhb_loop+0x60/0xb0
[ 288.987346][ T4664] ? clear_bhb_loop+0x60/0xb0
[ 288.992133][ T4664] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 288.998130][ T4664] RIP: 0033:0x7f8572d9e04a
[ 289.003092][ T4664] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 289.023690][ T4664] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.032119][ T4664] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 289.040203][ T4664] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 289.048286][ T4664] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 289.056270][ T4664] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 289.064253][ T4664] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 289.072339][ T4664]
[ 289.081236][ T28] INFO: task kworker/0:8:4372 blocked for more than 143 seconds.
[ 289.089183][ T28] Not tainted syzkaller #0
[ 289.096277][ T4664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.110407][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 289.115174][ T4664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.131154][ T28] task:kworker/0:8 state:D stack:23992 pid:4372 ppid:2 flags:0x00004000
[ 289.151211][ T28] Workqueue: gfs_recovery gfs2_recover_func
[ 289.157298][ T28] Call Trace:
[ 289.160609][ T28]
[ 289.171174][ T28] __schedule+0x11d1/0x40e0
[ 289.175788][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 289.201162][ T28] ? __sched_text_start+0x8/0x8
[ 289.206127][ T28] ? lock_chain_count+0x20/0x20
[ 289.211063][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 289.227285][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 289.241145][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 289.246457][ T28] schedule+0xb9/0x180
[ 289.250581][ T28] io_schedule+0x7c/0xd0
[ 289.271144][ T28] folio_wait_bit_common+0x70a/0xfa0
[ 289.276556][ T28] ? folio_wait_bit+0x30/0x30
[ 289.288639][ T28] ? migration_entry_wait_on_locked+0xe90/0xe90
[ 289.301137][ T28] ? __submit_bio+0x1a7/0x290
[ 289.305915][ T28] gfs2_jhead_process_page+0x17a/0x800
[ 289.321144][ T28] ? should_fail_request+0x70/0x70
[ 289.326419][ T28] ? gfs2_end_log_read+0x780/0x780
[ 289.351190][ T28] gfs2_find_jhead+0xba2/0xd00
[ 289.356191][ T28] gfs2_recover_func+0x6d2/0x1ca0
[ 289.371171][ T28] ? __get_log_header+0x4f0/0x4f0
[ 289.376285][ T28] ? __lock_acquire+0x13cf/0x7d10
[ 289.391190][ T28] ? verify_lock_unused+0x140/0x140
[ 289.396511][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 289.406576][ T28] ? _raw_spin_unlock+0x40/0x40
[ 289.420653][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 289.429029][ T28] ? process_one_work+0x7b0/0x1160
[ 289.441193][ T28] process_one_work+0x8a2/0x1160
[ 289.446547][ T28] ? worker_detach_from_pool+0x240/0x240
[ 289.452815][ T28] ? _raw_spin_lock_irq+0xb7/0xf0
[ 289.457965][ T28] ? _raw_spin_lock_irqsave+0x100/0x100
[ 289.463917][ T28] ? kthread_data+0x4b/0xc0
[ 289.468490][ T28] worker_thread+0xaa2/0x1270
[ 289.473619][ T28] kthread+0x29d/0x330
[ 289.477948][ T28] ? worker_clr_flags+0x1a0/0x1a0
[ 289.483362][ T28] ? kthread_blkcg+0xd0/0xd0
[ 289.488005][ T28] ret_from_fork+0x1f/0x30
[ 289.492826][ T28]
[ 289.495927][ T28] INFO: task syz.0.17:4434 blocked for more than 143 seconds.
[ 289.504565][ T28] Not tainted syzkaller #0
[ 289.509722][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 289.518835][ T28] task:syz.0.17 state:D stack:24728 pid:4434 ppid:4391 flags:0x00004004
[ 289.528345][ T28] Call Trace:
[ 289.531867][ T28]
[ 289.534845][ T28] __schedule+0x11d1/0x40e0
[ 289.539533][ T28] ? lock_chain_count+0x20/0x20
[ 289.544953][ T28] ? __sched_text_start+0x8/0x8
[ 289.550362][ T28] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 289.559867][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 289.562090][ T4665] loop1: detected capacity change from 0 to 32768
[ 289.585030][ T4665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.589805][ T28] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 289.593802][ T4665] CPU: 1 PID: 4665 Comm: syz.1.222 Not tainted syzkaller #0
[ 289.602171][ T28] ? _raw_spin_unlock+0x40/0x40
[ 289.605768][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.610813][ T28] schedule+0xb9/0x180
[ 289.620889][ T4665] Call Trace:
[ 289.620906][ T4665]
[ 289.620916][ T4665] dump_stack_lvl+0x188/0x24e
[ 289.620958][ T4665] ? show_regs_print_info+0x12/0x12
[ 289.641448][ T4665] ? load_image+0x400/0x400
[ 289.646021][ T4665] sysfs_create_dir_ns+0x26a/0x290
[ 289.650125][ T28] bit_wait+0xd/0xc0
[ 289.651253][ T4665] ? sysfs_warn_dup+0xa0/0xa0
[ 289.651286][ T4665] ? do_raw_spin_unlock+0x11d/0x230
[ 289.651312][ T4665] kobject_add_internal+0x61c/0xcc0
[ 289.651345][ T4665] kobject_init_and_add+0x128/0x190
[ 289.651368][ T4665] ? lockdep_softirqs_off+0x430/0x430
[ 289.651398][ T4665] ? kobject_add+0x230/0x230
[ 289.651426][ T4665] ? __init_swait_queue_head+0xa5/0x150
[ 289.651459][ T4665] gfs2_sys_fs_add+0x24f/0x4b0
[ 289.651492][ T4665] ? gfs2_recover_set+0x240/0x240
[ 289.651522][ T4665] ? snprintf+0xe5/0x140
[ 289.651551][ T4665] ? vscnprintf+0x80/0x80
[ 289.651588][ T4665] gfs2_fill_super+0x128c/0x1fb0
[ 289.651628][ T4665] ? gfs2_reconfigure+0xd30/0xd30
[ 289.651659][ T4665] ? sb_set_blocksize+0xa5/0xe0
[ 289.660081][ T28] __wait_on_bit+0xa8/0x2d0
[ 289.660413][ T4665] get_tree_bdev+0x3f1/0x610
[ 289.681167][ T28] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 289.682284][ T4665] ? gfs2_reconfigure+0xd30/0xd30
[ 289.686898][ T28] out_of_line_wait_on_bit+0x138/0x190
[ 289.692475][ T4665] gfs2_get_tree+0x4d/0x1e0
[ 289.692503][ T4665] vfs_get_tree+0x88/0x270
[ 289.692529][ T4665] do_new_mount+0x24a/0xa40
[ 289.692560][ T4665] __se_sys_mount+0x2e3/0x3d0
[ 289.769806][ T4665] ? __x64_sys_mount+0xc0/0xc0
[ 289.774695][ T4665] ? lockdep_hardirqs_on+0x94/0x140
[ 289.779916][ T4665] ? __x64_sys_mount+0x1c/0xc0
[ 289.784718][ T4665] do_syscall_64+0x4c/0xa0
[ 289.789372][ T4665] ? clear_bhb_loop+0x60/0xb0
[ 289.794066][ T4665] ? clear_bhb_loop+0x60/0xb0
[ 289.798769][ T4665] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 289.804686][ T4665] RIP: 0033:0x7f8572d9e04a
[ 289.809110][ T4665] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 289.828819][ T4665] RSP: 002b:00007ffe5b816ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.837252][ T4665] RAX: ffffffffffffffda RBX: 00007ffe5b816b40 RCX: 00007f8572d9e04a
[ 289.845248][ T4665] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe5b816b00
[ 289.853407][ T4665] RBP: 0000200000037f40 R08: 00007ffe5b816b40 R09: 0000000001010084
[ 289.861493][ T4665] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 289.869499][ T4665] R13: 00007ffe5b816b00 R14: 0000000000037f45 R15: 0000200000000480
[ 289.877597][ T4665]
[ 289.886254][ T28] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 289.892501][ T28] ? __wait_on_bit+0x2d0/0x2d0
[ 289.897331][ T28] ? bit_waitqueue+0x30/0x30
[ 289.904447][ T28] ? do_raw_spin_unlock+0x11d/0x230
[ 289.909701][ T28] gfs2_recover_journal+0xd6/0x130
[ 289.915351][ T28] init_journal+0x17fc/0x23e0
[ 289.920564][ T28] ? init_inodes+0xdb/0x320
[ 289.927593][ T28] ? _compound_head+0x120/0x120
[ 289.932672][ T28] ? snprintf+0xe5/0x140
[ 289.936969][ T28] ? init_inodes+0xdb/0x320
[ 289.944085][ T28] ? vscnprintf+0x80/0x80
[ 289.948564][ T28] ? gfs2_glock_nq_num+0x17f/0x1c0
[ 289.954374][ T28] init_inodes+0xdb/0x320
[ 289.959383][ T28] gfs2_fill_super+0x1749/0x1fb0
[ 289.966867][ T28] ? gfs2_reconfigure+0xd30/0xd30
[ 289.972022][ T28] ? init_locking+0xb8/0x200
[ 289.976761][ T28] ? sb_set_blocksize+0xa5/0xe0
[ 289.984106][ T28] get_tree_bdev+0x3f1/0x610
[ 289.988756][ T28] ? gfs2_reconfigure+0xd30/0xd30
[ 289.994705][ T28] gfs2_get_tree+0x4d/0x1e0
[ 289.999272][ T28] vfs_get_tree+0x88/0x270
[ 290.003897][ T28] do_new_mount+0x24a/0xa40
[ 290.008301][ T4665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.008718][ T28] __se_sys_mount+0x2e3/0x3d0
[ 290.021707][ T4665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.034342][ T28] ? __x64_sys_mount+0xc0/0xc0
[ 290.039325][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 290.045087][ T28] ? __x64_sys_mount+0x1c/0xc0
[ 290.049892][ T28] do_syscall_64+0x4c/0xa0
[ 290.054442][ T28] ? clear_bhb_loop+0x60/0xb0
[ 290.059500][ T28] ? clear_bhb_loop+0x60/0xb0
[ 290.064663][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 290.070595][ T28] RIP: 0033:0x7f40d1d9e04a
[ 290.075168][ T28] RSP: 002b:00007ffc32dec3d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.083682][ T28] RAX: ffffffffffffffda RBX: 00007ffc32dec460 RCX: 00007f40d1d9e04a
[ 290.091737][ T28] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc32dec420
[ 290.099738][ T28] RBP: 0000200000037f40 R08: 00007ffc32dec460 R09: 0000000001010084
[ 290.107875][ T28] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 290.116098][ T28] R13: 00007ffc32dec420 R14: 0000000000037f45 R15: 0000200000000480
[ 290.124196][ T28]
[ 290.127290][ T28]
[ 290.127290][ T28] Showing all locks held in the system:
[ 290.135818][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 290.154144][ T28] #0: ffffffff8cb2df70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 290.167264][ T28] 1 lock held by rcu_tasks_trace/13:
[ 290.173041][ T28] #0: ffffffff8cb2e790 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 290.184526][ T28] 1 lock held by khungtaskd/28:
[ 290.189521][ T28] #0: ffffffff8cb2d5e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 290.199581][ T28] 2 locks held by getty/4026:
[ 290.204541][ T28] #0: ffff88802fd83098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 290.214676][ T28] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x429/0x1390
[ 290.224928][ T28] 2 locks held by kworker/0:8/4372:
[ 290.230179][ T28] #0: ffff88801a70fd38 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 290.241215][ T28] #1: ffffc900032d7d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 290.270683][ T28] 1 lock held by syz.0.17/4434:
[ 290.281164][ T28] #0: ffff88802a9260e0 (&type->s_umount_key#52/1){+.+.}-{3:3}, at: alloc_super+0x1fa/0x930
[ 290.294098][ T28] 1 lock held by syz.1.223/4666:
[ 290.299257][ T28]
[ 290.308191][ T28] =============================================
[ 290.308191][ T28]
[ 290.316876][ T28] NMI backtrace for cpu 1
[ 290.321239][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 290.328567][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.338758][ T28] Call Trace:
[ 290.342329][ T28]
[ 290.345287][ T28] dump_stack_lvl+0x188/0x24e
[ 290.350207][ T28] ? preempt_schedule_thunk+0x16/0x18
[ 290.355632][ T28] ? show_regs_print_info+0x12/0x12
[ 290.360978][ T28] ? load_image+0x400/0x400
[ 290.365520][ T28] ? vprintk_emit+0x59f/0x6a0
[ 290.370245][ T28] ? printk_sprint+0x460/0x460
[ 290.375255][ T28] nmi_cpu_backtrace+0x3e6/0x460
[ 290.380248][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450
[ 290.386445][ T28] ? _printk+0xda/0x130
[ 290.390635][ T28] ? load_image+0x400/0x400
[ 290.395181][ T28] ? load_image+0x400/0x400
[ 290.399810][ T28] ? nmi_trigger_cpumask_backtrace+0xf3/0x450
[ 290.406011][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 290.412200][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450
[ 290.418325][ T28] watchdog+0xeee/0xf30
[ 290.422609][ T28] ? watchdog+0x1ed/0xf30
[ 290.427068][ T28] kthread+0x29d/0x330
[ 290.431170][ T28] ? hungtask_pm_notify+0x40/0x40
[ 290.436239][ T28] ? kthread_blkcg+0xd0/0xd0
[ 290.441046][ T28] ret_from_fork+0x1f/0x30
[ 290.445538][ T28]
[ 290.449409][ T28] Sending NMI from CPU 1 to CPUs 0:
[ 290.455037][ C0] NMI backtrace for cpu 0
[ 290.455049][ C0] CPU: 0 PID: 38 Comm: kworker/u4:2 Not tainted syzkaller #0
[ 290.455066][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.455075][ C0] Workqueue: bat_events batadv_nc_worker
[ 290.455109][ C0] RIP: 0010:rcu_is_watching+0x63/0xa0
[ 290.455134][ C0] Code: 89 f7 e8 80 11 67 00 48 c7 c3 08 58 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 2f 8b 03 65 ff 0d 15 ff 95 7e <74> 0c 83 e0 04 c1 e8 02 5b 41 5e 41 5f c3 e8 72 13 94 ff eb ed 48
[ 290.455148][ C0] RSP: 0018:ffffc90000af7aa0 EFLAGS: 00000286
[ 290.455160][ C0] RAX: 0000000000051bec RBX: ffff8880b8e35808 RCX: 7953d241d52a5c00
[ 290.455173][ C0] RDX: 0000000000000000 RSI: ffffffff8adf1380 RDI: ffffffff8adf1340
[ 290.455183][ C0] RBP: ffffc90000af7bd0 R08: ffffffff8e1ff42f R09: 1ffffffff1c3fe85
[ 290.455194][ C0] R10: dffffc0000000000 R11: fffffbfff1c3fe86 R12: dffffc0000000000
[ 290.455205][ C0] R13: dffffc0000000000 R14: ffffffff8c653980 R15: dffffc0000000000
[ 290.455217][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 290.455230][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 290.455241][ C0] CR2: 00007f856affe000 CR3: 000000000c88e000 CR4: 00000000003506f0
[ 290.455257][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 290.455266][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 290.455276][ C0] Call Trace:
[ 290.455282][ C0]
[ 290.455289][ C0] lock_release+0xcf/0x920
[ 290.455311][ C0] ? batadv_nc_worker+0xce/0x600
[ 290.455329][ C0] ? __lock_acquire+0x7d10/0x7d10
[ 290.455349][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 290.455372][ C0] ? batadv_nc_worker+0xce/0x600
[ 290.455389][ C0] batadv_nc_worker+0x28d/0x600
[ 290.455409][ C0] ? process_one_work+0x7b0/0x1160
[ 290.455426][ C0] process_one_work+0x8a2/0x1160
[ 290.455448][ C0] ? worker_detach_from_pool+0x240/0x240
[ 290.455468][ C0] ? _raw_spin_lock_irq+0xb7/0xf0
[ 290.455485][ C0] ? _raw_spin_lock_irqsave+0x100/0x100
[ 290.455501][ C0] ? kthread_data+0x4b/0xc0
[ 290.455523][ C0] worker_thread+0xaa2/0x1270
[ 290.455550][ C0] kthread+0x29d/0x330
[ 290.455563][ C0] ? worker_clr_flags+0x1a0/0x1a0
[ 290.455579][ C0] ? kthread_blkcg+0xd0/0xd0
[ 290.455594][ C0] ret_from_fork+0x1f/0x30
[ 290.455620][ C0]
[ 290.456325][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 290.695839][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 290.703059][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.713472][ T28] Call Trace:
[ 290.716763][ T28]
[ 290.719704][ T28] dump_stack_lvl+0x188/0x24e
[ 290.724406][ T28] ? memcpy+0x3c/0x60
[ 290.728484][ T28] ? show_regs_print_info+0x12/0x12
[ 290.733702][ T28] ? load_image+0x400/0x400
[ 290.738315][ T28] panic+0x2e5/0x730
[ 290.742394][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 290.748048][ T28] ? bpf_jit_dump+0xd0/0xd0
[ 290.752740][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[ 290.759011][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450
[ 290.765183][ T28] watchdog+0xf2d/0xf30
[ 290.769365][ T28] ? watchdog+0x1ed/0xf30
[ 290.773881][ T28] kthread+0x29d/0x330
[ 290.777959][ T28] ? hungtask_pm_notify+0x40/0x40
[ 290.783015][ T28] ? kthread_blkcg+0xd0/0xd0
[ 290.787704][ T28] ret_from_fork+0x1f/0x30
[ 290.792147][ T28]
[ 290.795703][ T28] Kernel Offset: disabled
[ 290.800037][ T28] Rebooting in 86400 seconds..