[ T4646] CPU: 1 PID: 4646 Comm: syz.1.204 Not tainted syzkaller #0
[ 300.969342][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.979441][ T4646] Call Trace:
[ 300.982762][ T4646]
[ 300.985740][ T4646] dump_stack_lvl+0x188/0x24e
[ 300.990482][ T4646] ? show_regs_print_info+0x12/0x12
[ 300.995747][ T4646] ? load_image+0x400/0x400
[ 301.000307][ T4646] sysfs_create_dir_ns+0x26a/0x290
[ 301.005482][ T4646] ? sysfs_warn_dup+0xa0/0xa0
[ 301.010215][ T4646] ? do_raw_spin_unlock+0x11d/0x230
[ 301.015465][ T4646] kobject_add_internal+0x61c/0xcc0
[ 301.020726][ T4646] kobject_init_and_add+0x128/0x190
[ 301.025971][ T4646] ? lockdep_softirqs_off+0x430/0x430
[ 301.031409][ T4646] ? kobject_add+0x230/0x230
[ 301.036058][ T4646] ? __init_swait_queue_head+0xa5/0x150
[ 301.041667][ T4646] gfs2_sys_fs_add+0x24f/0x4b0
[ 301.046491][ T4646] ? gfs2_recover_set+0x240/0x240
[ 301.051569][ T4646] ? snprintf+0xe5/0x140
[ 301.055870][ T4646] ? vscnprintf+0x80/0x80
[ 301.060300][ T4646] gfs2_fill_super+0x128c/0x1fb0
[ 301.065297][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 301.070380][ T4646] ? sb_set_blocksize+0xa5/0xe0
[ 301.075280][ T4646] get_tree_bdev+0x3f1/0x610
[ 301.079908][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 301.084972][ T4646] gfs2_get_tree+0x4d/0x1e0
[ 301.089508][ T4646] vfs_get_tree+0x88/0x270
[ 301.093953][ T4646] do_new_mount+0x24a/0xa40
[ 301.098498][ T4646] __se_sys_mount+0x2e3/0x3d0
[ 301.103215][ T4646] ? __x64_sys_mount+0xc0/0xc0
[ 301.108011][ T4646] ? lockdep_hardirqs_on+0x94/0x140
[ 301.113236][ T4646] ? __x64_sys_mount+0x1c/0xc0
[ 301.118036][ T4646] do_syscall_64+0x4c/0xa0
[ 301.122483][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 301.127191][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 301.131897][ T4646] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 301.137819][ T4646] RIP: 0033:0x7f6dce99e04a
[ 301.142257][ 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
[ 301.161986][ T4646] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.170435][ T4646] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 301.178428][ T4646] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 301.186428][ T4646] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 301.194429][ T4646] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 301.202422][ T4646] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 301.210433][ T4646]
[ 301.224080][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.238730][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 301.576376][ T4647] loop1: detected capacity change from 0 to 32768
[ 301.592029][ T4647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 301.599673][ T4647] CPU: 0 PID: 4647 Comm: syz.1.205 Not tainted syzkaller #0
[ 301.607011][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.617108][ T4647] Call Trace:
[ 301.620429][ T4647]
[ 301.623392][ T4647] dump_stack_lvl+0x188/0x24e
[ 301.628131][ T4647] ? show_regs_print_info+0x12/0x12
[ 301.633405][ T4647] ? load_image+0x400/0x400
[ 301.637983][ T4647] sysfs_create_dir_ns+0x26a/0x290
[ 301.643160][ T4647] ? sysfs_warn_dup+0xa0/0xa0
[ 301.647901][ T4647] ? do_raw_spin_unlock+0x11d/0x230
[ 301.653161][ T4647] kobject_add_internal+0x61c/0xcc0
[ 301.658420][ T4647] kobject_init_and_add+0x128/0x190
[ 301.663672][ T4647] ? lockdep_softirqs_off+0x430/0x430
[ 301.669142][ T4647] ? kobject_add+0x230/0x230
[ 301.673790][ T4647] ? __init_swait_queue_head+0xa5/0x150
[ 301.679394][ T4647] gfs2_sys_fs_add+0x24f/0x4b0
[ 301.684401][ T4647] ? gfs2_recover_set+0x240/0x240
[ 301.689662][ T4647] ? snprintf+0xe5/0x140
[ 301.693971][ T4647] ? vscnprintf+0x80/0x80
[ 301.698492][ T4647] gfs2_fill_super+0x128c/0x1fb0
[ 301.703590][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 301.708682][ T4647] ? sb_set_blocksize+0xa5/0xe0
[ 301.713602][ T4647] get_tree_bdev+0x3f1/0x610
[ 301.718247][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 301.723334][ T4647] gfs2_get_tree+0x4d/0x1e0
[ 301.727898][ T4647] vfs_get_tree+0x88/0x270
[ 301.732384][ T4647] do_new_mount+0x24a/0xa40
[ 301.737038][ T4647] __se_sys_mount+0x2e3/0x3d0
[ 301.741780][ T4647] ? __x64_sys_mount+0xc0/0xc0
[ 301.746866][ T4647] ? lockdep_hardirqs_on+0x94/0x140
[ 301.752130][ T4647] ? __x64_sys_mount+0x1c/0xc0
[ 301.757821][ T4647] do_syscall_64+0x4c/0xa0
[ 301.762298][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 301.767030][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 301.771765][ T4647] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 301.777745][ T4647] RIP: 0033:0x7f6dce99e04a
[ 301.782200][ 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
[ 301.801863][ T4647] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.810342][ T4647] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 301.818362][ T4647] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 301.826384][ T4647] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 301.834407][ T4647] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 301.842425][ T4647] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 301.850462][ T4647]
[ 301.859405][ T4647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.872788][ T4647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.196899][ T4648] loop1: detected capacity change from 0 to 32768
[ 302.218655][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.226610][ T4648] CPU: 0 PID: 4648 Comm: syz.1.206 Not tainted syzkaller #0
[ 302.233963][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.244074][ T4648] Call Trace:
[ 302.247403][ T4648]
[ 302.250376][ T4648] dump_stack_lvl+0x188/0x24e
[ 302.255133][ T4648] ? show_regs_print_info+0x12/0x12
[ 302.260405][ T4648] ? load_image+0x400/0x400
[ 302.264979][ T4648] sysfs_create_dir_ns+0x26a/0x290
[ 302.270162][ T4648] ? sysfs_warn_dup+0xa0/0xa0
[ 302.274905][ T4648] ? do_raw_spin_unlock+0x11d/0x230
[ 302.280171][ T4648] kobject_add_internal+0x61c/0xcc0
[ 302.285443][ T4648] kobject_init_and_add+0x128/0x190
[ 302.290707][ T4648] ? lockdep_softirqs_off+0x430/0x430
[ 302.296163][ T4648] ? kobject_add+0x230/0x230
[ 302.300822][ T4648] ? __init_swait_queue_head+0xa5/0x150
[ 302.306441][ T4648] gfs2_sys_fs_add+0x24f/0x4b0
[ 302.311284][ T4648] ? gfs2_recover_set+0x240/0x240
[ 302.316377][ T4648] ? snprintf+0xe5/0x140
[ 302.320681][ T4648] ? vscnprintf+0x80/0x80
[ 302.325090][ T4648] gfs2_fill_super+0x128c/0x1fb0
[ 302.330127][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 302.335214][ T4648] ? sb_set_blocksize+0xa5/0xe0
[ 302.340137][ T4648] get_tree_bdev+0x3f1/0x610
[ 302.344790][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 302.349870][ T4648] gfs2_get_tree+0x4d/0x1e0
[ 302.354430][ T4648] vfs_get_tree+0x88/0x270
[ 302.358896][ T4648] do_new_mount+0x24a/0xa40
[ 302.363451][ T4648] __se_sys_mount+0x2e3/0x3d0
[ 302.368174][ T4648] ? __x64_sys_mount+0xc0/0xc0
[ 302.372993][ T4648] ? lockdep_hardirqs_on+0x94/0x140
[ 302.378239][ T4648] ? __x64_sys_mount+0x1c/0xc0
[ 302.383075][ T4648] do_syscall_64+0x4c/0xa0
[ 302.387545][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 302.392271][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 302.397000][ T4648] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 302.402981][ T4648] RIP: 0033:0x7f6dce99e04a
[ 302.407473][ 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
[ 302.427165][ T4648] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 302.435763][ T4648] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 302.443790][ T4648] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 302.451817][ T4648] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 302.459844][ T4648] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 302.467870][ T4648] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 302.475908][ T4648]
[ 302.492100][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 302.506734][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.851394][ T4649] loop1: detected capacity change from 0 to 32768
[ 302.872355][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.880076][ T4649] CPU: 1 PID: 4649 Comm: syz.1.207 Not tainted syzkaller #0
[ 302.887429][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.897535][ T4649] Call Trace:
[ 302.900855][ T4649]
[ 302.903832][ T4649] dump_stack_lvl+0x188/0x24e
[ 302.908575][ T4649] ? show_regs_print_info+0x12/0x12
[ 302.913846][ T4649] ? load_image+0x400/0x400
[ 302.918426][ T4649] sysfs_create_dir_ns+0x26a/0x290
[ 302.923605][ T4649] ? sysfs_warn_dup+0xa0/0xa0
[ 302.928347][ T4649] ? do_raw_spin_unlock+0x11d/0x230
[ 302.933602][ T4649] kobject_add_internal+0x61c/0xcc0
[ 302.938863][ T4649] kobject_init_and_add+0x128/0x190
[ 302.944114][ T4649] ? lockdep_softirqs_off+0x430/0x430
[ 302.949590][ T4649] ? kobject_add+0x230/0x230
[ 302.954234][ T4649] ? __init_swait_queue_head+0xa5/0x150
[ 302.960017][ T4649] gfs2_sys_fs_add+0x24f/0x4b0
[ 302.964859][ T4649] ? gfs2_recover_set+0x240/0x240
[ 302.969948][ T4649] ? snprintf+0xe5/0x140
[ 302.974249][ T4649] ? vscnprintf+0x80/0x80
[ 302.978643][ T4649] gfs2_fill_super+0x128c/0x1fb0
[ 302.983647][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 302.988744][ T4649] ? sb_set_blocksize+0xa5/0xe0
[ 302.993666][ T4649] get_tree_bdev+0x3f1/0x610
[ 302.998313][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 303.003382][ T4649] gfs2_get_tree+0x4d/0x1e0
[ 303.007939][ T4649] vfs_get_tree+0x88/0x270
[ 303.012406][ T4649] do_new_mount+0x24a/0xa40
[ 303.016971][ T4649] __se_sys_mount+0x2e3/0x3d0
[ 303.021727][ T4649] ? __x64_sys_mount+0xc0/0xc0
[ 303.026546][ T4649] ? lockdep_hardirqs_on+0x94/0x140
[ 303.031823][ T4649] ? __x64_sys_mount+0x1c/0xc0
[ 303.036651][ T4649] do_syscall_64+0x4c/0xa0
[ 303.041127][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 303.045863][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 303.050609][ T4649] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 303.056560][ T4649] RIP: 0033:0x7f6dce99e04a
[ 303.061019][ 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
[ 303.080675][ T4649] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.089176][ T4649] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 303.097201][ T4649] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 303.105227][ T4649] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 303.113283][ T4649] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 303.121401][ T4649] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 303.129890][ T4649]
[ 303.135480][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.149911][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 303.513083][ T4650] loop1: detected capacity change from 0 to 32768
[ 303.539854][ T4650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 303.550526][ T4650] CPU: 0 PID: 4650 Comm: syz.1.208 Not tainted syzkaller #0
[ 303.557884][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 303.567997][ T4650] Call Trace:
[ 303.571320][ T4650]
[ 303.574291][ T4650] dump_stack_lvl+0x188/0x24e
[ 303.579032][ T4650] ? show_regs_print_info+0x12/0x12
[ 303.584298][ T4650] ? load_image+0x400/0x400
[ 303.588872][ T4650] sysfs_create_dir_ns+0x26a/0x290
[ 303.594039][ T4650] ? sysfs_warn_dup+0xa0/0xa0
[ 303.598770][ T4650] ? do_raw_spin_unlock+0x11d/0x230
[ 303.604025][ T4650] kobject_add_internal+0x61c/0xcc0
[ 303.609284][ T4650] kobject_init_and_add+0x128/0x190
[ 303.614534][ T4650] ? lockdep_softirqs_off+0x430/0x430
[ 303.619984][ T4650] ? kobject_add+0x230/0x230
[ 303.624629][ T4650] ? __init_swait_queue_head+0xa5/0x150
[ 303.630243][ T4650] gfs2_sys_fs_add+0x24f/0x4b0
[ 303.635075][ T4650] ? gfs2_recover_set+0x240/0x240
[ 303.640164][ T4650] ? snprintf+0xe5/0x140
[ 303.644554][ T4650] ? vscnprintf+0x80/0x80
[ 303.648942][ T4650] gfs2_fill_super+0x128c/0x1fb0
[ 303.653944][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 303.659031][ T4650] ? sb_set_blocksize+0xa5/0xe0
[ 303.664468][ T4650] get_tree_bdev+0x3f1/0x610
[ 303.669127][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 303.674214][ T4650] gfs2_get_tree+0x4d/0x1e0
[ 303.678775][ T4650] vfs_get_tree+0x88/0x270
[ 303.683398][ T4650] do_new_mount+0x24a/0xa40
[ 303.687978][ T4650] __se_sys_mount+0x2e3/0x3d0
[ 303.692721][ T4650] ? __x64_sys_mount+0xc0/0xc0
[ 303.697599][ T4650] ? lockdep_hardirqs_on+0x94/0x140
[ 303.702872][ T4650] ? __x64_sys_mount+0x1c/0xc0
[ 303.707696][ T4650] do_syscall_64+0x4c/0xa0
[ 303.712212][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 303.716945][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 303.721693][ T4650] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 303.727640][ T4650] RIP: 0033:0x7f6dce99e04a
[ 303.732102][ 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
[ 303.751780][ T4650] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.760255][ T4650] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 303.768277][ T4650] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 303.776291][ T4650] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 303.784311][ T4650] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 303.792327][ T4650] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 303.800363][ T4650]
[ 303.805200][ T4650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.822398][ T4650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 303.933593][ T4353] Bluetooth: hci1: command 0x0406 tx timeout
[ 304.170435][ T4651] loop1: detected capacity change from 0 to 32768
[ 304.198340][ T4651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.206049][ T4651] CPU: 1 PID: 4651 Comm: syz.1.209 Not tainted syzkaller #0
[ 304.213384][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.223479][ T4651] Call Trace:
[ 304.226798][ T4651]
[ 304.229863][ T4651] dump_stack_lvl+0x188/0x24e
[ 304.234605][ T4651] ? show_regs_print_info+0x12/0x12
[ 304.239865][ T4651] ? load_image+0x400/0x400
[ 304.244445][ T4651] sysfs_create_dir_ns+0x26a/0x290
[ 304.249621][ T4651] ? sysfs_warn_dup+0xa0/0xa0
[ 304.254360][ T4651] ? do_raw_spin_unlock+0x11d/0x230
[ 304.259614][ T4651] kobject_add_internal+0x61c/0xcc0
[ 304.264877][ T4651] kobject_init_and_add+0x128/0x190
[ 304.270117][ T4651] ? lockdep_softirqs_off+0x430/0x430
[ 304.275619][ T4651] ? kobject_add+0x230/0x230
[ 304.280248][ T4651] ? __init_swait_queue_head+0xa5/0x150
[ 304.285837][ T4651] gfs2_sys_fs_add+0x24f/0x4b0
[ 304.290642][ T4651] ? gfs2_recover_set+0x240/0x240
[ 304.295710][ T4651] ? snprintf+0xe5/0x140
[ 304.299993][ T4651] ? vscnprintf+0x80/0x80
[ 304.304359][ T4651] gfs2_fill_super+0x128c/0x1fb0
[ 304.309331][ T4651] ? gfs2_reconfigure+0xd30/0xd30
[ 304.314385][ T4651] ? sb_set_blocksize+0xa5/0xe0
[ 304.319449][ T4651] get_tree_bdev+0x3f1/0x610
[ 304.324073][ T4651] ? gfs2_reconfigure+0xd30/0xd30
[ 304.329130][ T4651] gfs2_get_tree+0x4d/0x1e0
[ 304.333669][ T4651] vfs_get_tree+0x88/0x270
[ 304.338130][ T4651] do_new_mount+0x24a/0xa40
[ 304.342673][ T4651] __se_sys_mount+0x2e3/0x3d0
[ 304.347394][ T4651] ? __x64_sys_mount+0xc0/0xc0
[ 304.352186][ T4651] ? lockdep_hardirqs_on+0x94/0x140
[ 304.357454][ T4651] ? __x64_sys_mount+0x1c/0xc0
[ 304.362248][ T4651] do_syscall_64+0x4c/0xa0
[ 304.366803][ T4651] ? clear_bhb_loop+0x60/0xb0
[ 304.371512][ T4651] ? clear_bhb_loop+0x60/0xb0
[ 304.376219][ T4651] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 304.382139][ T4651] RIP: 0033:0x7f6dce99e04a
[ 304.386593][ 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
[ 304.406309][ T4651] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 304.414746][ T4651] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 304.422778][ T4651] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 304.430866][ T4651] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 304.438862][ T4651] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 304.447293][ T4651] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 304.455309][ T4651]
[ 304.463607][ T4651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 304.479258][ T4651] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 02:08:05 executed programs: 195
[ 304.814393][ T4652] loop1: detected capacity change from 0 to 32768
[ 304.830462][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.838157][ T4652] CPU: 1 PID: 4652 Comm: syz.1.210 Not tainted syzkaller #0
[ 304.845487][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.855664][ T4652] Call Trace:
[ 304.858978][ T4652]
[ 304.861985][ T4652] dump_stack_lvl+0x188/0x24e
[ 304.866712][ T4652] ? show_regs_print_info+0x12/0x12
[ 304.871960][ T4652] ? load_image+0x400/0x400
[ 304.876500][ T4652] sysfs_create_dir_ns+0x26a/0x290
[ 304.881651][ T4652] ? sysfs_warn_dup+0xa0/0xa0
[ 304.886390][ T4652] ? do_raw_spin_unlock+0x11d/0x230
[ 304.891624][ T4652] kobject_add_internal+0x61c/0xcc0
[ 304.896859][ T4652] kobject_init_and_add+0x128/0x190
[ 304.902084][ T4652] ? lockdep_softirqs_off+0x430/0x430
[ 304.907493][ T4652] ? kobject_add+0x230/0x230
[ 304.912130][ T4652] ? __init_swait_queue_head+0xa5/0x150
[ 304.917714][ T4652] gfs2_sys_fs_add+0x24f/0x4b0
[ 304.922530][ T4652] ? gfs2_recover_set+0x240/0x240
[ 304.927598][ T4652] ? snprintf+0xe5/0x140
[ 304.931867][ T4652] ? vscnprintf+0x80/0x80
[ 304.936255][ T4652] gfs2_fill_super+0x128c/0x1fb0
[ 304.941229][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 304.946287][ T4652] ? sb_set_blocksize+0xa5/0xe0
[ 304.951183][ T4652] get_tree_bdev+0x3f1/0x610
[ 304.955802][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 304.960852][ T4652] gfs2_get_tree+0x4d/0x1e0
[ 304.965385][ T4652] vfs_get_tree+0x88/0x270
[ 304.969836][ T4652] do_new_mount+0x24a/0xa40
[ 304.974372][ T4652] __se_sys_mount+0x2e3/0x3d0
[ 304.979087][ T4652] ? __x64_sys_mount+0xc0/0xc0
[ 304.983883][ T4652] ? lockdep_hardirqs_on+0x94/0x140
[ 304.989112][ T4652] ? __x64_sys_mount+0x1c/0xc0
[ 304.993909][ T4652] do_syscall_64+0x4c/0xa0
[ 304.998362][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 305.003074][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 305.007783][ T4652] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 305.013713][ T4652] RIP: 0033:0x7f6dce99e04a
[ 305.018155][ 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
[ 305.037784][ T4652] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 305.046232][ T4652] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 305.054312][ T4652] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 305.062306][ T4652] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 305.070300][ T4652] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 305.078297][ T4652] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 305.086311][ T4652]
[ 305.095372][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 305.109788][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 305.473744][ T4653] loop1: detected capacity change from 0 to 32768
[ 305.489668][ T4653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 305.497304][ T4653] CPU: 1 PID: 4653 Comm: syz.1.211 Not tainted syzkaller #0
[ 305.504650][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 305.514754][ T4653] Call Trace:
[ 305.518164][ T4653]
[ 305.521142][ T4653] dump_stack_lvl+0x188/0x24e
[ 305.525916][ T4653] ? show_regs_print_info+0x12/0x12
[ 305.531176][ T4653] ? load_image+0x400/0x400
[ 305.535754][ T4653] sysfs_create_dir_ns+0x26a/0x290
[ 305.540924][ T4653] ? sysfs_warn_dup+0xa0/0xa0
[ 305.545657][ T4653] ? do_raw_spin_unlock+0x11d/0x230
[ 305.550909][ T4653] kobject_add_internal+0x61c/0xcc0
[ 305.556164][ T4653] kobject_init_and_add+0x128/0x190
[ 305.561407][ T4653] ? lockdep_softirqs_off+0x430/0x430
[ 305.566821][ T4653] ? kobject_add+0x230/0x230
[ 305.571448][ T4653] ? __init_swait_queue_head+0xa5/0x150
[ 305.577027][ T4653] gfs2_sys_fs_add+0x24f/0x4b0
[ 305.581838][ T4653] ? gfs2_recover_set+0x240/0x240
[ 305.586903][ T4653] ? snprintf+0xe5/0x140
[ 305.591173][ T4653] ? vscnprintf+0x80/0x80
[ 305.595539][ T4653] gfs2_fill_super+0x128c/0x1fb0
[ 305.600522][ T4653] ? gfs2_reconfigure+0xd30/0xd30
[ 305.605583][ T4653] ? sb_set_blocksize+0xa5/0xe0
[ 305.610486][ T4653] get_tree_bdev+0x3f1/0x610
[ 305.615105][ T4653] ? gfs2_reconfigure+0xd30/0xd30
[ 305.620159][ T4653] gfs2_get_tree+0x4d/0x1e0
[ 305.624695][ T4653] vfs_get_tree+0x88/0x270
[ 305.629135][ T4653] do_new_mount+0x24a/0xa40
[ 305.633672][ T4653] __se_sys_mount+0x2e3/0x3d0
[ 305.638377][ T4653] ? __x64_sys_mount+0xc0/0xc0
[ 305.643169][ T4653] ? lockdep_hardirqs_on+0x94/0x140
[ 305.648403][ T4653] ? __x64_sys_mount+0x1c/0xc0
[ 305.653190][ T4653] do_syscall_64+0x4c/0xa0
[ 305.657662][ T4653] ? clear_bhb_loop+0x60/0xb0
[ 305.662802][ T4653] ? clear_bhb_loop+0x60/0xb0
[ 305.667774][ T4653] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 305.673723][ T4653] RIP: 0033:0x7f6dce99e04a
[ 305.678182][ 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
[ 305.697844][ T4653] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 305.706306][ T4653] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 305.714318][ T4653] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 305.722340][ T4653] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 305.730348][ T4653] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 305.738341][ T4653] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 305.746350][ T4653]
[ 305.758866][ T4653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 305.778991][ T4653] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 306.117367][ T4656] loop1: detected capacity change from 0 to 32768
[ 306.136252][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 306.144502][ T4656] CPU: 0 PID: 4656 Comm: syz.1.212 Not tainted syzkaller #0
[ 306.151868][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.161946][ T4656] Call Trace:
[ 306.165249][ T4656]
[ 306.168199][ T4656] dump_stack_lvl+0x188/0x24e
[ 306.172919][ T4656] ? show_regs_print_info+0x12/0x12
[ 306.178154][ T4656] ? load_image+0x400/0x400
[ 306.182694][ T4656] sysfs_create_dir_ns+0x26a/0x290
[ 306.187850][ T4656] ? sysfs_warn_dup+0xa0/0xa0
[ 306.192671][ T4656] ? do_raw_spin_unlock+0x11d/0x230
[ 306.197893][ T4656] kobject_add_internal+0x61c/0xcc0
[ 306.203126][ T4656] kobject_init_and_add+0x128/0x190
[ 306.208352][ T4656] ? lockdep_softirqs_off+0x430/0x430
[ 306.213754][ T4656] ? kobject_add+0x230/0x230
[ 306.218381][ T4656] ? __init_swait_queue_head+0xa5/0x150
[ 306.224053][ T4656] gfs2_sys_fs_add+0x24f/0x4b0
[ 306.228851][ T4656] ? gfs2_recover_set+0x240/0x240
[ 306.233919][ T4656] ? snprintf+0xe5/0x140
[ 306.238278][ T4656] ? vscnprintf+0x80/0x80
[ 306.242647][ T4656] gfs2_fill_super+0x128c/0x1fb0
[ 306.247619][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 306.252684][ T4656] ? sb_set_blocksize+0xa5/0xe0
[ 306.257574][ T4656] get_tree_bdev+0x3f1/0x610
[ 306.262223][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 306.267277][ T4656] gfs2_get_tree+0x4d/0x1e0
[ 306.271809][ T4656] vfs_get_tree+0x88/0x270
[ 306.276261][ T4656] do_new_mount+0x24a/0xa40
[ 306.280805][ T4656] __se_sys_mount+0x2e3/0x3d0
[ 306.285601][ T4656] ? __x64_sys_mount+0xc0/0xc0
[ 306.290483][ T4656] ? lockdep_hardirqs_on+0x94/0x140
[ 306.295710][ T4656] ? __x64_sys_mount+0x1c/0xc0
[ 306.300497][ T4656] do_syscall_64+0x4c/0xa0
[ 306.304954][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 306.309660][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 306.314370][ T4656] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 306.320296][ T4656] RIP: 0033:0x7f6dce99e04a
[ 306.324742][ 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
[ 306.344375][ T4656] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 306.352830][ T4656] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 306.360830][ T4656] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 306.368924][ T4656] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 306.376918][ T4656] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 306.385029][ T4656] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 306.393035][ T4656]
[ 306.398468][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 306.427178][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 306.763090][ T4658] loop1: detected capacity change from 0 to 32768
[ 306.779968][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 306.787728][ T4658] CPU: 0 PID: 4658 Comm: syz.1.213 Not tainted syzkaller #0
[ 306.795084][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.805186][ T4658] Call Trace:
[ 306.808510][ T4658]
[ 306.811483][ T4658] dump_stack_lvl+0x188/0x24e
[ 306.816231][ T4658] ? show_regs_print_info+0x12/0x12
[ 306.821493][ T4658] ? load_image+0x400/0x400
[ 306.826066][ T4658] sysfs_create_dir_ns+0x26a/0x290
[ 306.831335][ T4658] ? sysfs_warn_dup+0xa0/0xa0
[ 306.836077][ T4658] ? do_raw_spin_unlock+0x11d/0x230
[ 306.841550][ T4658] kobject_add_internal+0x61c/0xcc0
[ 306.846823][ T4658] kobject_init_and_add+0x128/0x190
[ 306.852115][ T4658] ? lockdep_softirqs_off+0x430/0x430
[ 306.857559][ T4658] ? kobject_add+0x230/0x230
[ 306.862222][ T4658] ? __init_swait_queue_head+0xa5/0x150
[ 306.867851][ T4658] gfs2_sys_fs_add+0x24f/0x4b0
[ 306.872683][ T4658] ? gfs2_recover_set+0x240/0x240
[ 306.877781][ T4658] ? snprintf+0xe5/0x140
[ 306.882199][ T4658] ? vscnprintf+0x80/0x80
[ 306.886614][ T4658] gfs2_fill_super+0x128c/0x1fb0
[ 306.891624][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 306.896714][ T4658] ? sb_set_blocksize+0xa5/0xe0
[ 306.901625][ T4658] get_tree_bdev+0x3f1/0x610
[ 306.906271][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 306.911378][ T4658] gfs2_get_tree+0x4d/0x1e0
[ 306.915936][ T4658] vfs_get_tree+0x88/0x270
[ 306.920407][ T4658] do_new_mount+0x24a/0xa40
[ 306.924968][ T4658] __se_sys_mount+0x2e3/0x3d0
[ 306.929706][ T4658] ? __x64_sys_mount+0xc0/0xc0
[ 306.934530][ T4658] ? lockdep_hardirqs_on+0x94/0x140
[ 306.939783][ T4658] ? __x64_sys_mount+0x1c/0xc0
[ 306.944594][ T4658] do_syscall_64+0x4c/0xa0
[ 306.949067][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 306.953812][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 306.958546][ T4658] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 306.964493][ T4658] RIP: 0033:0x7f6dce99e04a
[ 306.968954][ 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
[ 306.988616][ T4658] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 306.997081][ T4658] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 307.005100][ T4658] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 307.013118][ T4658] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 307.021145][ T4658] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 307.029167][ T4658] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 307.037203][ T4658]
[ 307.053106][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 307.066674][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 307.393763][ T4659] loop1: detected capacity change from 0 to 32768
[ 307.414476][ T4659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 307.421959][ T4659] CPU: 1 PID: 4659 Comm: syz.1.214 Not tainted syzkaller #0
[ 307.429294][ T4659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 307.439397][ T4659] Call Trace:
[ 307.442720][ T4659]
[ 307.445697][ T4659] dump_stack_lvl+0x188/0x24e
[ 307.450519][ T4659] ? show_regs_print_info+0x12/0x12
[ 307.455781][ T4659] ? load_image+0x400/0x400
[ 307.460469][ T4659] sysfs_create_dir_ns+0x26a/0x290
[ 307.465663][ T4659] ? sysfs_warn_dup+0xa0/0xa0
[ 307.470433][ T4659] ? do_raw_spin_unlock+0x11d/0x230
[ 307.475693][ T4659] kobject_add_internal+0x61c/0xcc0
[ 307.480964][ T4659] kobject_init_and_add+0x128/0x190
[ 307.486222][ T4659] ? lockdep_softirqs_off+0x430/0x430
[ 307.491658][ T4659] ? kobject_add+0x230/0x230
[ 307.496305][ T4659] ? __init_swait_queue_head+0xa5/0x150
[ 307.501922][ T4659] gfs2_sys_fs_add+0x24f/0x4b0
[ 307.506755][ T4659] ? gfs2_recover_set+0x240/0x240
[ 307.511848][ T4659] ? snprintf+0xe5/0x140
[ 307.516155][ T4659] ? vscnprintf+0x80/0x80
[ 307.520546][ T4659] gfs2_fill_super+0x128c/0x1fb0
[ 307.525556][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 307.530642][ T4659] ? sb_set_blocksize+0xa5/0xe0
[ 307.535563][ T4659] get_tree_bdev+0x3f1/0x610
[ 307.540217][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 307.545307][ T4659] gfs2_get_tree+0x4d/0x1e0
[ 307.549866][ T4659] vfs_get_tree+0x88/0x270
[ 307.554339][ T4659] do_new_mount+0x24a/0xa40
[ 307.558901][ T4659] __se_sys_mount+0x2e3/0x3d0
[ 307.563641][ T4659] ? __x64_sys_mount+0xc0/0xc0
[ 307.568471][ T4659] ? lockdep_hardirqs_on+0x94/0x140
[ 307.573712][ T4659] ? __x64_sys_mount+0x1c/0xc0
[ 307.578536][ T4659] do_syscall_64+0x4c/0xa0
[ 307.583013][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 307.587770][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 307.592502][ T4659] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 307.598447][ T4659] RIP: 0033:0x7f6dce99e04a
[ 307.602903][ 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
[ 307.622566][ T4659] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 307.631041][ T4659] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 307.639069][ T4659] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 307.647089][ T4659] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 307.655115][ T4659] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 307.663137][ T4659] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 307.671178][ T4659]
[ 307.680602][ T4659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 307.695077][ T4659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 308.009359][ T4662] loop1: detected capacity change from 0 to 32768
[ 308.019153][ T4662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 308.038812][ T4662] CPU: 0 PID: 4662 Comm: syz.1.215 Not tainted syzkaller #0
[ 308.046188][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 308.056292][ T4662] Call Trace:
[ 308.059617][ T4662]
[ 308.062601][ T4662] dump_stack_lvl+0x188/0x24e
[ 308.067362][ T4662] ? show_regs_print_info+0x12/0x12
[ 308.072630][ T4662] ? load_image+0x400/0x400
[ 308.077207][ T4662] sysfs_create_dir_ns+0x26a/0x290
[ 308.082394][ T4662] ? sysfs_warn_dup+0xa0/0xa0
[ 308.087137][ T4662] ? do_raw_spin_unlock+0x11d/0x230
[ 308.092404][ T4662] kobject_add_internal+0x61c/0xcc0
[ 308.097669][ T4662] kobject_init_and_add+0x128/0x190
[ 308.102922][ T4662] ? lockdep_softirqs_off+0x430/0x430
[ 308.108437][ T4662] ? kobject_add+0x230/0x230
[ 308.113171][ T4662] ? __init_swait_queue_head+0xa5/0x150
[ 308.119145][ T4662] gfs2_sys_fs_add+0x24f/0x4b0
[ 308.123975][ T4662] ? gfs2_recover_set+0x240/0x240
[ 308.129093][ T4662] ? snprintf+0xe5/0x140
[ 308.133404][ T4662] ? vscnprintf+0x80/0x80
[ 308.137814][ T4662] gfs2_fill_super+0x128c/0x1fb0
[ 308.142825][ T4662] ? gfs2_reconfigure+0xd30/0xd30
[ 308.147915][ T4662] ? sb_set_blocksize+0xa5/0xe0
[ 308.152806][ T4662] get_tree_bdev+0x3f1/0x610
[ 308.157442][ T4662] ? gfs2_reconfigure+0xd30/0xd30
[ 308.162502][ T4662] gfs2_get_tree+0x4d/0x1e0
[ 308.167053][ T4662] vfs_get_tree+0x88/0x270
[ 308.171554][ T4662] do_new_mount+0x24a/0xa40
[ 308.176132][ T4662] __se_sys_mount+0x2e3/0x3d0
[ 308.180867][ T4662] ? __x64_sys_mount+0xc0/0xc0
[ 308.185687][ T4662] ? lockdep_hardirqs_on+0x94/0x140
[ 308.190935][ T4662] ? __x64_sys_mount+0x1c/0xc0
[ 308.195752][ T4662] do_syscall_64+0x4c/0xa0
[ 308.200223][ T4662] ? clear_bhb_loop+0x60/0xb0
[ 308.204944][ T4662] ? clear_bhb_loop+0x60/0xb0
[ 308.209671][ T4662] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 308.215604][ T4662] RIP: 0033:0x7f6dce99e04a
[ 308.220056][ 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
[ 308.239691][ T4662] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 308.248136][ T4662] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 308.256134][ T4662] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 308.264125][ T4662] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 308.272120][ T4662] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 308.280140][ T4662] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 308.288156][ T4662]
[ 308.295904][ T4662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 308.310017][ T4662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 308.653720][ T4663] loop1: detected capacity change from 0 to 32768
[ 308.674744][ T4663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 308.682368][ T4663] CPU: 0 PID: 4663 Comm: syz.1.216 Not tainted syzkaller #0
[ 308.689719][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 308.699846][ T4663] Call Trace:
[ 308.703166][ T4663]
[ 308.706140][ T4663] dump_stack_lvl+0x188/0x24e
[ 308.710882][ T4663] ? show_regs_print_info+0x12/0x12
[ 308.716148][ T4663] ? load_image+0x400/0x400
[ 308.720720][ T4663] sysfs_create_dir_ns+0x26a/0x290
[ 308.725893][ T4663] ? sysfs_warn_dup+0xa0/0xa0
[ 308.730630][ T4663] ? do_raw_spin_unlock+0x11d/0x230
[ 308.735883][ T4663] kobject_add_internal+0x61c/0xcc0
[ 308.741141][ T4663] kobject_init_and_add+0x128/0x190
[ 308.746409][ T4663] ? lockdep_softirqs_off+0x430/0x430
[ 308.751837][ T4663] ? kobject_add+0x230/0x230
[ 308.756489][ T4663] ? __init_swait_queue_head+0xa5/0x150
[ 308.762103][ T4663] gfs2_sys_fs_add+0x24f/0x4b0
[ 308.766930][ T4663] ? gfs2_recover_set+0x240/0x240
[ 308.772019][ T4663] ? snprintf+0xe5/0x140
[ 308.776326][ T4663] ? vscnprintf+0x80/0x80
[ 308.780736][ T4663] gfs2_fill_super+0x128c/0x1fb0
[ 308.785741][ T4663] ? gfs2_reconfigure+0xd30/0xd30
[ 308.790826][ T4663] ? sb_set_blocksize+0xa5/0xe0
[ 308.795736][ T4663] get_tree_bdev+0x3f1/0x610
[ 308.800393][ T4663] ? gfs2_reconfigure+0xd30/0xd30
[ 308.805474][ T4663] gfs2_get_tree+0x4d/0x1e0
[ 308.810043][ T4663] vfs_get_tree+0x88/0x270
[ 308.814537][ T4663] do_new_mount+0x24a/0xa40
[ 308.819103][ T4663] __se_sys_mount+0x2e3/0x3d0
[ 308.823845][ T4663] ? __x64_sys_mount+0xc0/0xc0
[ 308.828672][ T4663] ? lockdep_hardirqs_on+0x94/0x140
[ 308.833931][ T4663] ? __x64_sys_mount+0x1c/0xc0
[ 308.838755][ T4663] do_syscall_64+0x4c/0xa0
[ 308.843247][ T4663] ? clear_bhb_loop+0x60/0xb0
[ 308.848004][ T4663] ? clear_bhb_loop+0x60/0xb0
[ 308.852739][ T4663] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 308.858694][ T4663] RIP: 0033:0x7f6dce99e04a
[ 308.863154][ 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
[ 308.882903][ T4663] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 308.891398][ T4663] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 308.899545][ T4663] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 308.907655][ T4663] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 308.915683][ T4663] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 308.923884][ T4663] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 308.931926][ T4663]
[ 308.936509][ T4663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 308.949802][ T4663] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 309.269041][ T4665] loop1: detected capacity change from 0 to 32768
[ 309.281736][ T4665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 309.290942][ T4665] CPU: 1 PID: 4665 Comm: syz.1.217 Not tainted syzkaller #0
[ 309.298312][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 309.308412][ T4665] Call Trace:
[ 309.311729][ T4665]
[ 309.314700][ T4665] dump_stack_lvl+0x188/0x24e
[ 309.319536][ T4665] ? show_regs_print_info+0x12/0x12
[ 309.324803][ T4665] ? load_image+0x400/0x400
[ 309.329372][ T4665] sysfs_create_dir_ns+0x26a/0x290
[ 309.334542][ T4665] ? sysfs_warn_dup+0xa0/0xa0
[ 309.339288][ T4665] ? do_raw_spin_unlock+0x11d/0x230
[ 309.344537][ T4665] kobject_add_internal+0x61c/0xcc0
[ 309.349796][ T4665] kobject_init_and_add+0x128/0x190
[ 309.355044][ T4665] ? lockdep_softirqs_off+0x430/0x430
[ 309.360481][ T4665] ? kobject_add+0x230/0x230
[ 309.365150][ T4665] ? __init_swait_queue_head+0xa5/0x150
[ 309.370762][ T4665] gfs2_sys_fs_add+0x24f/0x4b0
[ 309.375615][ T4665] ? gfs2_recover_set+0x240/0x240
[ 309.380707][ T4665] ? snprintf+0xe5/0x140
[ 309.385014][ T4665] ? vscnprintf+0x80/0x80
[ 309.389425][ T4665] gfs2_fill_super+0x128c/0x1fb0
[ 309.394444][ T4665] ? gfs2_reconfigure+0xd30/0xd30
[ 309.399519][ T4665] ? sb_set_blocksize+0xa5/0xe0
[ 309.404415][ T4665] get_tree_bdev+0x3f1/0x610
[ 309.409043][ T4665] ? gfs2_reconfigure+0xd30/0xd30
[ 309.414095][ T4665] gfs2_get_tree+0x4d/0x1e0
[ 309.418628][ T4665] vfs_get_tree+0x88/0x270
[ 309.423076][ T4665] do_new_mount+0x24a/0xa40
[ 309.427617][ T4665] __se_sys_mount+0x2e3/0x3d0
[ 309.432328][ T4665] ? __x64_sys_mount+0xc0/0xc0
[ 309.437119][ T4665] ? lockdep_hardirqs_on+0x94/0x140
[ 309.442341][ T4665] ? __x64_sys_mount+0x1c/0xc0
[ 309.447137][ T4665] do_syscall_64+0x4c/0xa0
[ 309.451593][ T4665] ? clear_bhb_loop+0x60/0xb0
[ 309.456312][ T4665] ? clear_bhb_loop+0x60/0xb0
[ 309.461053][ T4665] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 309.466974][ T4665] RIP: 0033:0x7f6dce99e04a
[ 309.471409][ 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
[ 309.491035][ T4665] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 309.499478][ T4665] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 309.507478][ T4665] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 309.515488][ T4665] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 309.523484][ T4665] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 309.531475][ T4665] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 309.539483][ T4665]
[ 309.543918][ T4665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 309.568458][ T4665] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 02:08:10 executed programs: 203
[ 309.899127][ T4666] loop1: detected capacity change from 0 to 32768
[ 309.916083][ T4666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 309.923636][ T4666] CPU: 1 PID: 4666 Comm: syz.1.218 Not tainted syzkaller #0
[ 309.930969][ T4666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 309.941077][ T4666] Call Trace:
[ 309.944394][ T4666]
[ 309.947364][ T4666] dump_stack_lvl+0x188/0x24e
[ 309.952112][ T4666] ? show_regs_print_info+0x12/0x12
[ 309.957368][ T4666] ? load_image+0x400/0x400
[ 309.961946][ T4666] sysfs_create_dir_ns+0x26a/0x290
[ 309.967118][ T4666] ? sysfs_warn_dup+0xa0/0xa0
[ 309.971853][ T4666] ? do_raw_spin_unlock+0x11d/0x230
[ 309.977104][ T4666] kobject_add_internal+0x61c/0xcc0
[ 309.982361][ T4666] kobject_init_and_add+0x128/0x190
[ 309.987614][ T4666] ? lockdep_softirqs_off+0x430/0x430
[ 309.993045][ T4666] ? kobject_add+0x230/0x230
[ 309.997695][ T4666] ? __init_swait_queue_head+0xa5/0x150
[ 310.003306][ T4666] gfs2_sys_fs_add+0x24f/0x4b0
[ 310.008137][ T4666] ? gfs2_recover_set+0x240/0x240
[ 310.013231][ T4666] ? snprintf+0xe5/0x140
[ 310.017541][ T4666] ? vscnprintf+0x80/0x80
[ 310.021934][ T4666] gfs2_fill_super+0x128c/0x1fb0
[ 310.026941][ T4666] ? gfs2_reconfigure+0xd30/0xd30
[ 310.032022][ T4666] ? sb_set_blocksize+0xa5/0xe0
[ 310.036946][ T4666] get_tree_bdev+0x3f1/0x610
[ 310.041581][ T4666] ? gfs2_reconfigure+0xd30/0xd30
[ 310.046639][ T4666] gfs2_get_tree+0x4d/0x1e0
[ 310.051172][ T4666] vfs_get_tree+0x88/0x270
[ 310.055624][ T4666] do_new_mount+0x24a/0xa40
[ 310.060163][ T4666] __se_sys_mount+0x2e3/0x3d0
[ 310.064879][ T4666] ? __x64_sys_mount+0xc0/0xc0
[ 310.069675][ T4666] ? lockdep_hardirqs_on+0x94/0x140
[ 310.074899][ T4666] ? __x64_sys_mount+0x1c/0xc0
[ 310.079692][ T4666] do_syscall_64+0x4c/0xa0
[ 310.084139][ T4666] ? clear_bhb_loop+0x60/0xb0
[ 310.088853][ T4666] ? clear_bhb_loop+0x60/0xb0
[ 310.093558][ T4666] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 310.099490][ T4666] RIP: 0033:0x7f6dce99e04a
[ 310.104016][ T4666] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 310.123737][ T4666] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 310.132177][ T4666] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 310.140179][ T4666] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 310.148175][ T4666] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 310.156172][ T4666] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 310.164173][ T4666] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 310.172184][ T4666]
[ 310.180732][ T4666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 310.196611][ T4666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 310.529505][ T4667] loop1: detected capacity change from 0 to 32768
[ 310.537796][ T4667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 310.553521][ T4667] CPU: 0 PID: 4667 Comm: syz.1.219 Not tainted syzkaller #0
[ 310.560900][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 310.571006][ T4667] Call Trace:
[ 310.574326][ T4667]
[ 310.577316][ T4667] dump_stack_lvl+0x188/0x24e
[ 310.582072][ T4667] ? show_regs_print_info+0x12/0x12
[ 310.587326][ T4667] ? load_image+0x400/0x400
[ 310.591887][ T4667] sysfs_create_dir_ns+0x26a/0x290
[ 310.597062][ T4667] ? sysfs_warn_dup+0xa0/0xa0
[ 310.601798][ T4667] ? do_raw_spin_unlock+0x11d/0x230
[ 310.607064][ T4667] kobject_add_internal+0x61c/0xcc0
[ 310.612412][ T4667] kobject_init_and_add+0x128/0x190
[ 310.617658][ T4667] ? lockdep_softirqs_off+0x430/0x430
[ 310.623090][ T4667] ? kobject_add+0x230/0x230
[ 310.627737][ T4667] ? __init_swait_queue_head+0xa5/0x150
[ 310.633349][ T4667] gfs2_sys_fs_add+0x24f/0x4b0
[ 310.638190][ T4667] ? gfs2_recover_set+0x240/0x240
[ 310.643359][ T4667] ? snprintf+0xe5/0x140
[ 310.647665][ T4667] ? vscnprintf+0x80/0x80
[ 310.652061][ T4667] gfs2_fill_super+0x128c/0x1fb0
[ 310.657068][ T4667] ? gfs2_reconfigure+0xd30/0xd30
[ 310.662158][ T4667] ? sb_set_blocksize+0xa5/0xe0
[ 310.667073][ T4667] get_tree_bdev+0x3f1/0x610
[ 310.671723][ T4667] ? gfs2_reconfigure+0xd30/0xd30
[ 310.676813][ T4667] gfs2_get_tree+0x4d/0x1e0
[ 310.681392][ T4667] vfs_get_tree+0x88/0x270
[ 310.685864][ T4667] do_new_mount+0x24a/0xa40
[ 310.690510][ T4667] __se_sys_mount+0x2e3/0x3d0
[ 310.695243][ T4667] ? __x64_sys_mount+0xc0/0xc0
[ 310.700059][ T4667] ? lockdep_hardirqs_on+0x94/0x140
[ 310.705303][ T4667] ? __x64_sys_mount+0x1c/0xc0
[ 310.710119][ T4667] do_syscall_64+0x4c/0xa0
[ 310.714631][ T4667] ? clear_bhb_loop+0x60/0xb0
[ 310.719360][ T4667] ? clear_bhb_loop+0x60/0xb0
[ 310.724095][ T4667] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 310.730038][ T4667] RIP: 0033:0x7f6dce99e04a
[ 310.734492][ T4667] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 310.754191][ T4667] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 310.762676][ T4667] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 310.770701][ T4667] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 310.778719][ T4667] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 310.786749][ T4667] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 310.794770][ T4667] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 310.802803][ T4667]
[ 310.814401][ T4667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 310.827867][ T4667] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 311.299483][ T4668] loop1: detected capacity change from 0 to 32768
[ 311.316125][ T4668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 311.323722][ T4668] CPU: 1 PID: 4668 Comm: syz.1.220 Not tainted syzkaller #0
[ 311.331058][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 311.341166][ T4668] Call Trace:
[ 311.344487][ T4668]
[ 311.347463][ T4668] dump_stack_lvl+0x188/0x24e
[ 311.352239][ T4668] ? show_regs_print_info+0x12/0x12
[ 311.357508][ T4668] ? load_image+0x400/0x400
[ 311.362078][ T4668] sysfs_create_dir_ns+0x26a/0x290
[ 311.367258][ T4668] ? sysfs_warn_dup+0xa0/0xa0
[ 311.371999][ T4668] ? do_raw_spin_unlock+0x11d/0x230
[ 311.377275][ T4668] kobject_add_internal+0x61c/0xcc0
[ 311.382710][ T4668] kobject_init_and_add+0x128/0x190
[ 311.387967][ T4668] ? lockdep_softirqs_off+0x430/0x430
[ 311.393383][ T4668] ? kobject_add+0x230/0x230
[ 311.398013][ T4668] ? __init_swait_queue_head+0xa5/0x150
[ 311.403600][ T4668] gfs2_sys_fs_add+0x24f/0x4b0
[ 311.408402][ T4668] ? gfs2_recover_set+0x240/0x240
[ 311.413517][ T4668] ? snprintf+0xe5/0x140
[ 311.417791][ T4668] ? vscnprintf+0x80/0x80
[ 311.422184][ T4668] gfs2_fill_super+0x128c/0x1fb0
[ 311.427171][ T4668] ? gfs2_reconfigure+0xd30/0xd30
[ 311.432229][ T4668] ? sb_set_blocksize+0xa5/0xe0
[ 311.437160][ T4668] get_tree_bdev+0x3f1/0x610
[ 311.441789][ T4668] ? gfs2_reconfigure+0xd30/0xd30
[ 311.446851][ T4668] gfs2_get_tree+0x4d/0x1e0
[ 311.451386][ T4668] vfs_get_tree+0x88/0x270
[ 311.455833][ T4668] do_new_mount+0x24a/0xa40
[ 311.460369][ T4668] __se_sys_mount+0x2e3/0x3d0
[ 311.465163][ T4668] ? __x64_sys_mount+0xc0/0xc0
[ 311.469956][ T4668] ? lockdep_hardirqs_on+0x94/0x140
[ 311.475182][ T4668] ? __x64_sys_mount+0x1c/0xc0
[ 311.479975][ T4668] do_syscall_64+0x4c/0xa0
[ 311.484428][ T4668] ? clear_bhb_loop+0x60/0xb0
[ 311.489148][ T4668] ? clear_bhb_loop+0x60/0xb0
[ 311.493878][ T4668] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 311.499829][ T4668] RIP: 0033:0x7f6dce99e04a
[ 311.504289][ T4668] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 311.523942][ T4668] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 311.532390][ T4668] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 311.540396][ T4668] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 311.548402][ T4668] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 311.556406][ T4668] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 311.564413][ T4668] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 311.572427][ T4668]
[ 311.581977][ T4668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 311.595756][ T4668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 311.934986][ T4669] loop1: detected capacity change from 0 to 32768
[ 311.944234][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 311.952103][ T4669] CPU: 1 PID: 4669 Comm: syz.1.221 Not tainted syzkaller #0
[ 311.959533][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 311.969642][ T4669] Call Trace:
[ 311.973083][ T4669]
[ 311.976059][ T4669] dump_stack_lvl+0x188/0x24e
[ 311.980822][ T4669] ? show_regs_print_info+0x12/0x12
[ 311.986136][ T4669] ? load_image+0x400/0x400
[ 311.990732][ T4669] sysfs_create_dir_ns+0x26a/0x290
[ 311.995908][ T4669] ? sysfs_warn_dup+0xa0/0xa0
[ 312.000658][ T4669] ? do_raw_spin_unlock+0x11d/0x230
[ 312.005913][ T4669] kobject_add_internal+0x61c/0xcc0
[ 312.011167][ T4669] kobject_init_and_add+0x128/0x190
[ 312.016409][ T4669] ? lockdep_softirqs_off+0x430/0x430
[ 312.021839][ T4669] ? kobject_add+0x230/0x230
[ 312.026492][ T4669] ? __init_swait_queue_head+0xa5/0x150
[ 312.032189][ T4669] gfs2_sys_fs_add+0x24f/0x4b0
[ 312.037011][ T4669] ? gfs2_recover_set+0x240/0x240
[ 312.042114][ T4669] ? snprintf+0xe5/0x140
[ 312.046440][ T4669] ? vscnprintf+0x80/0x80
[ 312.050831][ T4669] gfs2_fill_super+0x128c/0x1fb0
[ 312.055859][ T4669] ? gfs2_reconfigure+0xd30/0xd30
[ 312.060946][ T4669] ? sb_set_blocksize+0xa5/0xe0
[ 312.065852][ T4669] get_tree_bdev+0x3f1/0x610
[ 312.070488][ T4669] ? gfs2_reconfigure+0xd30/0xd30
[ 312.075552][ T4669] gfs2_get_tree+0x4d/0x1e0
[ 312.080095][ T4669] vfs_get_tree+0x88/0x270
[ 312.084557][ T4669] do_new_mount+0x24a/0xa40
[ 312.089096][ T4669] __se_sys_mount+0x2e3/0x3d0
[ 312.093809][ T4669] ? __x64_sys_mount+0xc0/0xc0
[ 312.098600][ T4669] ? lockdep_hardirqs_on+0x94/0x140
[ 312.103839][ T4669] ? __x64_sys_mount+0x1c/0xc0
[ 312.108658][ T4669] do_syscall_64+0x4c/0xa0
[ 312.113130][ T4669] ? clear_bhb_loop+0x60/0xb0
[ 312.117846][ T4669] ? clear_bhb_loop+0x60/0xb0
[ 312.122554][ T4669] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 312.128488][ T4669] RIP: 0033:0x7f6dce99e04a
[ 312.132935][ T4669] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 312.152828][ T4669] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 312.161270][ T4669] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 312.169275][ T4669] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 312.177295][ T4669] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 312.185287][ T4669] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 312.193280][ T4669] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 312.201292][ T4669]
[ 312.210086][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 312.223762][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 312.571693][ T4670] loop1: detected capacity change from 0 to 32768
[ 312.595136][ T4670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 312.602733][ T4670] CPU: 1 PID: 4670 Comm: syz.1.222 Not tainted syzkaller #0
[ 312.610070][ T4670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 312.620161][ T4670] Call Trace:
[ 312.623493][ T4670]
[ 312.626465][ T4670] dump_stack_lvl+0x188/0x24e
[ 312.631211][ T4670] ? show_regs_print_info+0x12/0x12
[ 312.636487][ T4670] ? load_image+0x400/0x400
[ 312.641101][ T4670] sysfs_create_dir_ns+0x26a/0x290
[ 312.646307][ T4670] ? sysfs_warn_dup+0xa0/0xa0
[ 312.651051][ T4670] ? do_raw_spin_unlock+0x11d/0x230
[ 312.656309][ T4670] kobject_add_internal+0x61c/0xcc0
[ 312.661585][ T4670] kobject_init_and_add+0x128/0x190
[ 312.666853][ T4670] ? lockdep_softirqs_off+0x430/0x430
[ 312.672290][ T4670] ? kobject_add+0x230/0x230
[ 312.676946][ T4670] ? __init_swait_queue_head+0xa5/0x150
[ 312.682573][ T4670] gfs2_sys_fs_add+0x24f/0x4b0
[ 312.687414][ T4670] ? gfs2_recover_set+0x240/0x240
[ 312.692508][ T4670] ? snprintf+0xe5/0x140
[ 312.696809][ T4670] ? vscnprintf+0x80/0x80
[ 312.701200][ T4670] gfs2_fill_super+0x128c/0x1fb0
[ 312.706236][ T4670] ? gfs2_reconfigure+0xd30/0xd30
[ 312.711319][ T4670] ? sb_set_blocksize+0xa5/0xe0
[ 312.716234][ T4670] get_tree_bdev+0x3f1/0x610
[ 312.720877][ T4670] ? gfs2_reconfigure+0xd30/0xd30
[ 312.725996][ T4670] gfs2_get_tree+0x4d/0x1e0
[ 312.730563][ T4670] vfs_get_tree+0x88/0x270
[ 312.735039][ T4670] do_new_mount+0x24a/0xa40
[ 312.739607][ T4670] __se_sys_mount+0x2e3/0x3d0
[ 312.744336][ T4670] ? __x64_sys_mount+0xc0/0xc0
[ 312.749161][ T4670] ? lockdep_hardirqs_on+0x94/0x140
[ 312.754408][ T4670] ? __x64_sys_mount+0x1c/0xc0
[ 312.759220][ T4670] do_syscall_64+0x4c/0xa0
[ 312.763686][ T4670] ? clear_bhb_loop+0x60/0xb0
[ 312.768415][ T4670] ? clear_bhb_loop+0x60/0xb0
[ 312.773152][ T4670] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 312.779107][ T4670] RIP: 0033:0x7f6dce99e04a
[ 312.783569][ T4670] 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
[ 312.803314][ T4670] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 312.811783][ T4670] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 312.819803][ T4670] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 312.827825][ T4670] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 312.835852][ T4670] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 312.843870][ T4670] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 312.851913][ T4670]
[ 312.861097][ T4670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 312.875377][ T4670] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 313.226525][ T4671] loop1: detected capacity change from 0 to 32768
[ 313.242397][ T4671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 313.249904][ T4671] CPU: 0 PID: 4671 Comm: syz.1.223 Not tainted syzkaller #0
[ 313.257250][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 313.267357][ T4671] Call Trace:
[ 313.270675][ T4671]
[ 313.273668][ T4671] dump_stack_lvl+0x188/0x24e
[ 313.278422][ T4671] ? show_regs_print_info+0x12/0x12
[ 313.283693][ T4671] ? load_image+0x400/0x400
[ 313.288280][ T4671] sysfs_create_dir_ns+0x26a/0x290
[ 313.293454][ T4671] ? sysfs_warn_dup+0xa0/0xa0
[ 313.298191][ T4671] ? do_raw_spin_unlock+0x11d/0x230
[ 313.303424][ T4671] kobject_add_internal+0x61c/0xcc0
[ 313.308667][ T4671] kobject_init_and_add+0x128/0x190
[ 313.313890][ T4671] ? lockdep_softirqs_off+0x430/0x430
[ 313.319296][ T4671] ? kobject_add+0x230/0x230
[ 313.323929][ T4671] ? __init_swait_queue_head+0xa5/0x150
[ 313.329513][ T4671] gfs2_sys_fs_add+0x24f/0x4b0
[ 313.334320][ T4671] ? gfs2_recover_set+0x240/0x240
[ 313.339392][ T4671] ? snprintf+0xe5/0x140
[ 313.343662][ T4671] ? vscnprintf+0x80/0x80
[ 313.348029][ T4671] gfs2_fill_super+0x128c/0x1fb0
[ 313.353002][ T4671] ? gfs2_reconfigure+0xd30/0xd30
[ 313.358163][ T4671] ? sb_set_blocksize+0xa5/0xe0
[ 313.363043][ T4671] get_tree_bdev+0x3f1/0x610
[ 313.367666][ T4671] ? gfs2_reconfigure+0xd30/0xd30
[ 313.372724][ T4671] gfs2_get_tree+0x4d/0x1e0
[ 313.377254][ T4671] vfs_get_tree+0x88/0x270
[ 313.381702][ T4671] do_new_mount+0x24a/0xa40
[ 313.386238][ T4671] __se_sys_mount+0x2e3/0x3d0
[ 313.390949][ T4671] ? __x64_sys_mount+0xc0/0xc0
[ 313.395741][ T4671] ? lockdep_hardirqs_on+0x94/0x140
[ 313.401003][ T4671] ? __x64_sys_mount+0x1c/0xc0
[ 313.405813][ T4671] do_syscall_64+0x4c/0xa0
[ 313.410271][ T4671] ? clear_bhb_loop+0x60/0xb0
[ 313.414984][ T4671] ? clear_bhb_loop+0x60/0xb0
[ 313.419698][ T4671] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 313.425618][ T4671] RIP: 0033:0x7f6dce99e04a
[ 313.430055][ T4671] 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
[ 313.449683][ T4671] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 313.458125][ T4671] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 313.466132][ T4671] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 313.474146][ T4671] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 313.482145][ T4671] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 313.490153][ T4671] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 313.498170][ T4671]
[ 313.503677][ T4671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 313.517006][ T4671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 313.882993][ T4672] loop1: detected capacity change from 0 to 32768
[ 313.901170][ T4672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 313.908768][ T4672] CPU: 0 PID: 4672 Comm: syz.1.224 Not tainted syzkaller #0
[ 313.916092][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 313.926185][ T4672] Call Trace:
[ 313.929491][ T4672]
[ 313.932455][ T4672] dump_stack_lvl+0x188/0x24e
[ 313.937177][ T4672] ? show_regs_print_info+0x12/0x12
[ 313.942407][ T4672] ? load_image+0x400/0x400
[ 313.946944][ T4672] sysfs_create_dir_ns+0x26a/0x290
[ 313.952087][ T4672] ? sysfs_warn_dup+0xa0/0xa0
[ 313.956793][ T4672] ? do_raw_spin_unlock+0x11d/0x230
[ 313.962024][ T4672] kobject_add_internal+0x61c/0xcc0
[ 313.967258][ T4672] kobject_init_and_add+0x128/0x190
[ 313.972487][ T4672] ? lockdep_softirqs_off+0x430/0x430
[ 313.977891][ T4672] ? kobject_add+0x230/0x230
[ 313.982511][ T4672] ? __init_swait_queue_head+0xa5/0x150
[ 313.988103][ T4672] gfs2_sys_fs_add+0x24f/0x4b0
[ 313.992905][ T4672] ? gfs2_recover_set+0x240/0x240
[ 313.997965][ T4672] ? snprintf+0xe5/0x140
[ 314.002245][ T4672] ? vscnprintf+0x80/0x80
[ 314.006612][ T4672] gfs2_fill_super+0x128c/0x1fb0
[ 314.011589][ T4672] ? gfs2_reconfigure+0xd30/0xd30
[ 314.016664][ T4672] ? sb_set_blocksize+0xa5/0xe0
[ 314.021572][ T4672] get_tree_bdev+0x3f1/0x610
[ 314.026205][ T4672] ? gfs2_reconfigure+0xd30/0xd30
[ 314.031275][ T4672] gfs2_get_tree+0x4d/0x1e0
[ 314.035840][ T4672] vfs_get_tree+0x88/0x270
[ 314.040331][ T4672] do_new_mount+0x24a/0xa40
[ 314.044875][ T4672] __se_sys_mount+0x2e3/0x3d0
[ 314.049593][ T4672] ? __x64_sys_mount+0xc0/0xc0
[ 314.054398][ T4672] ? lockdep_hardirqs_on+0x94/0x140
[ 314.059628][ T4672] ? __x64_sys_mount+0x1c/0xc0
[ 314.064425][ T4672] do_syscall_64+0x4c/0xa0
[ 314.068921][ T4672] ? clear_bhb_loop+0x60/0xb0
[ 314.073632][ T4672] ? clear_bhb_loop+0x60/0xb0
[ 314.078338][ T4672] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 314.084261][ T4672] RIP: 0033:0x7f6dce99e04a
[ 314.088701][ T4672] 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
[ 314.108335][ T4672] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 314.116780][ T4672] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 314.124773][ T4672] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 314.132784][ T4672] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 314.140778][ T4672] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 314.148774][ T4672] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 314.156787][ T4672]
[ 314.168629][ T4672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 314.182847][ T4672] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 314.529289][ T4673] loop1: detected capacity change from 0 to 32768
[ 314.543912][ T4673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 314.551350][ T4673] CPU: 1 PID: 4673 Comm: syz.1.225 Not tainted syzkaller #0
[ 314.558676][ T4673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 314.568892][ T4673] Call Trace:
[ 314.572236][ T4673]
[ 314.575206][ T4673] dump_stack_lvl+0x188/0x24e
[ 314.579955][ T4673] ? show_regs_print_info+0x12/0x12
[ 314.585221][ T4673] ? load_image+0x400/0x400
[ 314.589793][ T4673] sysfs_create_dir_ns+0x26a/0x290
[ 314.594978][ T4673] ? sysfs_warn_dup+0xa0/0xa0
[ 314.599719][ T4673] ? do_raw_spin_unlock+0x11d/0x230
[ 314.604973][ T4673] kobject_add_internal+0x61c/0xcc0
[ 314.610228][ T4673] kobject_init_and_add+0x128/0x190
[ 314.615473][ T4673] ? lockdep_softirqs_off+0x430/0x430
[ 314.620901][ T4673] ? kobject_add+0x230/0x230
[ 314.625556][ T4673] ? __init_swait_queue_head+0xa5/0x150
[ 314.631166][ T4673] gfs2_sys_fs_add+0x24f/0x4b0
[ 314.635994][ T4673] ? gfs2_recover_set+0x240/0x240
[ 314.641085][ T4673] ? snprintf+0xe5/0x140
[ 314.645382][ T4673] ? vscnprintf+0x80/0x80
[ 314.649786][ T4673] gfs2_fill_super+0x128c/0x1fb0
[ 314.654791][ T4673] ? gfs2_reconfigure+0xd30/0xd30
[ 314.659899][ T4673] ? sb_set_blocksize+0xa5/0xe0
[ 314.664796][ T4673] get_tree_bdev+0x3f1/0x610
[ 314.669435][ T4673] ? gfs2_reconfigure+0xd30/0xd30
[ 314.674500][ T4673] gfs2_get_tree+0x4d/0x1e0
[ 314.679033][ T4673] vfs_get_tree+0x88/0x270
[ 314.683490][ T4673] do_new_mount+0x24a/0xa40
[ 314.688044][ T4673] __se_sys_mount+0x2e3/0x3d0
[ 314.692752][ T4673] ? __x64_sys_mount+0xc0/0xc0
[ 314.697551][ T4673] ? lockdep_hardirqs_on+0x94/0x140
[ 314.702786][ T4673] ? __x64_sys_mount+0x1c/0xc0
[ 314.707585][ T4673] do_syscall_64+0x4c/0xa0
[ 314.712032][ T4673] ? clear_bhb_loop+0x60/0xb0
[ 314.716742][ T4673] ? clear_bhb_loop+0x60/0xb0
[ 314.721458][ T4673] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 314.727379][ T4673] RIP: 0033:0x7f6dce99e04a
[ 314.731816][ T4673] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 314.751446][ T4673] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 314.759904][ T4673] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 314.767896][ T4673] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 314.775888][ T4673] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 314.783877][ T4673] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 314.791878][ T4673] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 314.799885][ T4673]
[ 314.807665][ T4673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 314.822055][ T4673] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 02:08:15 executed programs: 211
[ 315.162378][ T4674] loop1: detected capacity change from 0 to 32768
[ 315.170499][ T4674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 315.178366][ T4674] CPU: 1 PID: 4674 Comm: syz.1.226 Not tainted syzkaller #0
[ 315.185706][ T4674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 315.195834][ T4674] Call Trace:
[ 315.199165][ T4674]
[ 315.202130][ T4674] dump_stack_lvl+0x188/0x24e
[ 315.206869][ T4674] ? show_regs_print_info+0x12/0x12
[ 315.212125][ T4674] ? load_image+0x400/0x400
[ 315.216700][ T4674] sysfs_create_dir_ns+0x26a/0x290
[ 315.221877][ T4674] ? sysfs_warn_dup+0xa0/0xa0
[ 315.226610][ T4674] ? do_raw_spin_unlock+0x11d/0x230
[ 315.231870][ T4674] kobject_add_internal+0x61c/0xcc0
[ 315.237127][ T4674] kobject_init_and_add+0x128/0x190
[ 315.242373][ T4674] ? lockdep_softirqs_off+0x430/0x430
[ 315.247853][ T4674] ? kobject_add+0x230/0x230
[ 315.252508][ T4674] ? __init_swait_queue_head+0xa5/0x150
[ 315.258118][ T4674] gfs2_sys_fs_add+0x24f/0x4b0
[ 315.262944][ T4674] ? gfs2_recover_set+0x240/0x240
[ 315.268027][ T4674] ? snprintf+0xe5/0x140
[ 315.272334][ T4674] ? vscnprintf+0x80/0x80
[ 315.276736][ T4674] gfs2_fill_super+0x128c/0x1fb0
[ 315.281749][ T4674] ? gfs2_reconfigure+0xd30/0xd30
[ 315.286846][ T4674] ? sb_set_blocksize+0xa5/0xe0
[ 315.291757][ T4674] get_tree_bdev+0x3f1/0x610
[ 315.296414][ T4674] ? gfs2_reconfigure+0xd30/0xd30
[ 315.301470][ T4674] gfs2_get_tree+0x4d/0x1e0
[ 315.306025][ T4674] vfs_get_tree+0x88/0x270
[ 315.310479][ T4674] do_new_mount+0x24a/0xa40
[ 315.315034][ T4674] __se_sys_mount+0x2e3/0x3d0
[ 315.319756][ T4674] ? __x64_sys_mount+0xc0/0xc0
[ 315.324556][ T4674] ? lockdep_hardirqs_on+0x94/0x140
[ 315.329806][ T4674] ? __x64_sys_mount+0x1c/0xc0
[ 315.334619][ T4674] do_syscall_64+0x4c/0xa0
[ 315.339080][ T4674] ? clear_bhb_loop+0x60/0xb0
[ 315.343800][ T4674] ? clear_bhb_loop+0x60/0xb0
[ 315.348515][ T4674] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 315.354442][ T4674] RIP: 0033:0x7f6dce99e04a
[ 315.358885][ T4674] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 315.378614][ T4674] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 315.387059][ T4674] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 315.395058][ T4674] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 315.403058][ T4674] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 315.411063][ T4674] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 315.419068][ T4674] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 315.427082][ T4674]
[ 315.438799][ T4674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 315.454371][ T4674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 315.798486][ T4675] loop1: detected capacity change from 0 to 32768
[ 315.814303][ T4675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 315.821784][ T4675] CPU: 1 PID: 4675 Comm: syz.1.227 Not tainted syzkaller #0
[ 315.829114][ T4675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 315.839653][ T4675] Call Trace:
[ 315.842976][ T4675]
[ 315.845944][ T4675] dump_stack_lvl+0x188/0x24e
[ 315.850696][ T4675] ? show_regs_print_info+0x12/0x12
[ 315.856066][ T4675] ? load_image+0x400/0x400
[ 315.860650][ T4675] sysfs_create_dir_ns+0x26a/0x290
[ 315.865829][ T4675] ? sysfs_warn_dup+0xa0/0xa0
[ 315.870572][ T4675] ? do_raw_spin_unlock+0x11d/0x230
[ 315.875831][ T4675] kobject_add_internal+0x61c/0xcc0
[ 315.881104][ T4675] kobject_init_and_add+0x128/0x190
[ 315.886354][ T4675] ? lockdep_softirqs_off+0x430/0x430
[ 315.891795][ T4675] ? kobject_add+0x230/0x230
[ 315.896451][ T4675] ? __init_swait_queue_head+0xa5/0x150
[ 315.902054][ T4675] gfs2_sys_fs_add+0x24f/0x4b0
[ 315.906885][ T4675] ? gfs2_recover_set+0x240/0x240
[ 315.911973][ T4675] ? snprintf+0xe5/0x140
[ 315.916275][ T4675] ? vscnprintf+0x80/0x80
[ 315.920675][ T4675] gfs2_fill_super+0x128c/0x1fb0
[ 315.925697][ T4675] ? gfs2_reconfigure+0xd30/0xd30
[ 315.930772][ T4675] ? sb_set_blocksize+0xa5/0xe0
[ 315.935677][ T4675] get_tree_bdev+0x3f1/0x610
[ 315.940306][ T4675] ? gfs2_reconfigure+0xd30/0xd30
[ 315.945372][ T4675] gfs2_get_tree+0x4d/0x1e0
[ 315.949908][ T4675] vfs_get_tree+0x88/0x270
[ 315.954380][ T4675] do_new_mount+0x24a/0xa40
[ 315.958921][ T4675] __se_sys_mount+0x2e3/0x3d0
[ 315.963636][ T4675] ? __x64_sys_mount+0xc0/0xc0
[ 315.968442][ T4675] ? lockdep_hardirqs_on+0x94/0x140
[ 315.973681][ T4675] ? __x64_sys_mount+0x1c/0xc0
[ 315.978483][ T4675] do_syscall_64+0x4c/0xa0
[ 315.982951][ T4675] ? clear_bhb_loop+0x60/0xb0
[ 315.987675][ T4675] ? clear_bhb_loop+0x60/0xb0
[ 315.992399][ T4675] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 315.998332][ T4675] RIP: 0033:0x7f6dce99e04a
[ 316.002795][ T4675] 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
[ 316.022536][ T4675] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 316.031017][ T4675] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 316.039022][ T4675] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 316.047022][ T4675] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 316.055027][ T4675] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 316.063027][ T4675] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 316.071035][ T4675]
[ 316.080122][ T4675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 316.093540][ T4675] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 316.437144][ T4676] loop1: detected capacity change from 0 to 32768
[ 316.453995][ T4676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 316.463258][ T4676] CPU: 0 PID: 4676 Comm: syz.1.228 Not tainted syzkaller #0
[ 316.470618][ T4676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 316.480780][ T4676] Call Trace:
[ 316.484099][ T4676]
[ 316.487073][ T4676] dump_stack_lvl+0x188/0x24e
[ 316.491823][ T4676] ? show_regs_print_info+0x12/0x12
[ 316.497093][ T4676] ? load_image+0x400/0x400
[ 316.501678][ T4676] sysfs_create_dir_ns+0x26a/0x290
[ 316.506859][ T4676] ? sysfs_warn_dup+0xa0/0xa0
[ 316.511593][ T4676] ? do_raw_spin_unlock+0x11d/0x230
[ 316.516860][ T4676] kobject_add_internal+0x61c/0xcc0
[ 316.522117][ T4676] kobject_init_and_add+0x128/0x190
[ 316.527377][ T4676] ? lockdep_softirqs_off+0x430/0x430
[ 316.532816][ T4676] ? kobject_add+0x230/0x230
[ 316.537462][ T4676] ? __init_swait_queue_head+0xa5/0x150
[ 316.543082][ T4676] gfs2_sys_fs_add+0x24f/0x4b0
[ 316.547897][ T4676] ? gfs2_recover_set+0x240/0x240
[ 316.552961][ T4676] ? snprintf+0xe5/0x140
[ 316.557243][ T4676] ? vscnprintf+0x80/0x80
[ 316.561615][ T4676] gfs2_fill_super+0x128c/0x1fb0
[ 316.566604][ T4676] ? gfs2_reconfigure+0xd30/0xd30
[ 316.571683][ T4676] ? sb_set_blocksize+0xa5/0xe0
[ 316.576569][ T4676] get_tree_bdev+0x3f1/0x610
[ 316.581196][ T4676] ? gfs2_reconfigure+0xd30/0xd30
[ 316.586252][ T4676] gfs2_get_tree+0x4d/0x1e0
[ 316.590792][ T4676] vfs_get_tree+0x88/0x270
[ 316.595238][ T4676] do_new_mount+0x24a/0xa40
[ 316.599782][ T4676] __se_sys_mount+0x2e3/0x3d0
[ 316.604497][ T4676] ? __x64_sys_mount+0xc0/0xc0
[ 316.609342][ T4676] ? lockdep_hardirqs_on+0x94/0x140
[ 316.614586][ T4676] ? __x64_sys_mount+0x1c/0xc0
[ 316.619399][ T4676] do_syscall_64+0x4c/0xa0
[ 316.623859][ T4676] ? clear_bhb_loop+0x60/0xb0
[ 316.628567][ T4676] ? clear_bhb_loop+0x60/0xb0
[ 316.633280][ T4676] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 316.639209][ T4676] RIP: 0033:0x7f6dce99e04a
[ 316.643665][ T4676] 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
[ 316.663293][ T4676] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 316.671757][ T4676] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 316.679760][ T4676] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 316.687758][ T4676] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 316.695754][ T4676] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 316.703754][ T4676] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 316.711772][ T4676]
[ 316.720160][ T4676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 316.734544][ T4676] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 317.081695][ T4677] loop1: detected capacity change from 0 to 32768
[ 317.103579][ T4677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 317.111024][ T4677] CPU: 1 PID: 4677 Comm: syz.1.229 Not tainted syzkaller #0
[ 317.118368][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 317.128474][ T4677] Call Trace:
[ 317.131795][ T4677]
[ 317.134768][ T4677] dump_stack_lvl+0x188/0x24e
[ 317.139509][ T4677] ? show_regs_print_info+0x12/0x12
[ 317.144770][ T4677] ? load_image+0x400/0x400
[ 317.149346][ T4677] sysfs_create_dir_ns+0x26a/0x290
[ 317.154611][ T4677] ? sysfs_warn_dup+0xa0/0xa0
[ 317.159346][ T4677] ? do_raw_spin_unlock+0x11d/0x230
[ 317.164595][ T4677] kobject_add_internal+0x61c/0xcc0
[ 317.169853][ T4677] kobject_init_and_add+0x128/0x190
[ 317.175187][ T4677] ? lockdep_softirqs_off+0x430/0x430
[ 317.180623][ T4677] ? kobject_add+0x230/0x230
[ 317.185269][ T4677] ? __init_swait_queue_head+0xa5/0x150
[ 317.190886][ T4677] gfs2_sys_fs_add+0x24f/0x4b0
[ 317.195716][ T4677] ? gfs2_recover_set+0x240/0x240
[ 317.200801][ T4677] ? snprintf+0xe5/0x140
[ 317.205102][ T4677] ? vscnprintf+0x80/0x80
[ 317.209496][ T4677] gfs2_fill_super+0x128c/0x1fb0
[ 317.214509][ T4677] ? gfs2_reconfigure+0xd30/0xd30
[ 317.219590][ T4677] ? sb_set_blocksize+0xa5/0xe0
[ 317.224477][ T4677] get_tree_bdev+0x3f1/0x610
[ 317.229099][ T4677] ? gfs2_reconfigure+0xd30/0xd30
[ 317.234147][ T4677] gfs2_get_tree+0x4d/0x1e0
[ 317.238688][ T4677] vfs_get_tree+0x88/0x270
[ 317.243145][ T4677] do_new_mount+0x24a/0xa40
[ 317.247681][ T4677] __se_sys_mount+0x2e3/0x3d0
[ 317.252393][ T4677] ? __x64_sys_mount+0xc0/0xc0
[ 317.257184][ T4677] ? lockdep_hardirqs_on+0x94/0x140
[ 317.262409][ T4677] ? __x64_sys_mount+0x1c/0xc0
[ 317.267206][ T4677] do_syscall_64+0x4c/0xa0
[ 317.271672][ T4677] ? clear_bhb_loop+0x60/0xb0
[ 317.276383][ T4677] ? clear_bhb_loop+0x60/0xb0
[ 317.281091][ T4677] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 317.287019][ T4677] RIP: 0033:0x7f6dce99e04a
[ 317.291461][ T4677] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 317.311278][ T4677] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 317.319720][ T4677] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 317.327726][ T4677] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 317.335722][ T4677] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 317.343717][ T4677] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 317.351717][ T4677] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 317.359735][ T4677]
[ 317.365744][ T1267] ieee802154 phy0 wpan0: encryption failed: -22
[ 317.372116][ T1267] ieee802154 phy1 wpan1: encryption failed: -22
[ 317.385935][ T4677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 317.401258][ T4677] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 317.731385][ T4678] loop1: detected capacity change from 0 to 32768
[ 317.753641][ T4678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 317.761081][ T4678] CPU: 1 PID: 4678 Comm: syz.1.230 Not tainted syzkaller #0
[ 317.768408][ T4678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 317.778511][ T4678] Call Trace:
[ 317.781832][ T4678]
[ 317.784811][ T4678] dump_stack_lvl+0x188/0x24e
[ 317.789552][ T4678] ? show_regs_print_info+0x12/0x12
[ 317.794834][ T4678] ? load_image+0x400/0x400
[ 317.799417][ T4678] sysfs_create_dir_ns+0x26a/0x290
[ 317.804625][ T4678] ? sysfs_warn_dup+0xa0/0xa0
[ 317.809383][ T4678] ? do_raw_spin_unlock+0x11d/0x230
[ 317.814637][ T4678] kobject_add_internal+0x61c/0xcc0
[ 317.819891][ T4678] kobject_init_and_add+0x128/0x190
[ 317.825118][ T4678] ? lockdep_softirqs_off+0x430/0x430
[ 317.830529][ T4678] ? kobject_add+0x230/0x230
[ 317.835161][ T4678] ? __init_swait_queue_head+0xa5/0x150
[ 317.840744][ T4678] gfs2_sys_fs_add+0x24f/0x4b0
[ 317.845552][ T4678] ? gfs2_recover_set+0x240/0x240
[ 317.850618][ T4678] ? snprintf+0xe5/0x140
[ 317.854991][ T4678] ? vscnprintf+0x80/0x80
[ 317.859358][ T4678] gfs2_fill_super+0x128c/0x1fb0
[ 317.864331][ T4678] ? gfs2_reconfigure+0xd30/0xd30
[ 317.869392][ T4678] ? sb_set_blocksize+0xa5/0xe0
[ 317.874275][ T4678] get_tree_bdev+0x3f1/0x610
[ 317.878914][ T4678] ? gfs2_reconfigure+0xd30/0xd30
[ 317.883966][ T4678] gfs2_get_tree+0x4d/0x1e0
[ 317.888503][ T4678] vfs_get_tree+0x88/0x270
[ 317.892956][ T4678] do_new_mount+0x24a/0xa40
[ 317.897500][ T4678] __se_sys_mount+0x2e3/0x3d0
[ 317.902213][ T4678] ? __x64_sys_mount+0xc0/0xc0
[ 317.907008][ T4678] ? lockdep_hardirqs_on+0x94/0x140
[ 317.912236][ T4678] ? __x64_sys_mount+0x1c/0xc0
[ 317.917028][ T4678] do_syscall_64+0x4c/0xa0
[ 317.921479][ T4678] ? clear_bhb_loop+0x60/0xb0
[ 317.926186][ T4678] ? clear_bhb_loop+0x60/0xb0
[ 317.930895][ T4678] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 317.936824][ T4678] RIP: 0033:0x7f6dce99e04a
[ 317.941295][ T4678] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 317.960955][ T4678] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 317.969413][ T4678] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 317.977418][ T4678] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 317.985423][ T4678] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 317.993433][ T4678] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 318.001431][ T4678] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 318.009457][ T4678]
[ 318.019771][ T4678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 318.033670][ T4678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 318.371999][ T4679] loop1: detected capacity change from 0 to 32768
[ 318.390311][ T4679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 318.397851][ T4679] CPU: 1 PID: 4679 Comm: syz.1.231 Not tainted syzkaller #0
[ 318.405189][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 318.415321][ T4679] Call Trace:
[ 318.418663][ T4679]
[ 318.421643][ T4679] dump_stack_lvl+0x188/0x24e
[ 318.426412][ T4679] ? show_regs_print_info+0x12/0x12
[ 318.431683][ T4679] ? load_image+0x400/0x400
[ 318.436264][ T4679] sysfs_create_dir_ns+0x26a/0x290
[ 318.441450][ T4679] ? sysfs_warn_dup+0xa0/0xa0
[ 318.446194][ T4679] ? do_raw_spin_unlock+0x11d/0x230
[ 318.451536][ T4679] kobject_add_internal+0x61c/0xcc0
[ 318.456798][ T4679] kobject_init_and_add+0x128/0x190
[ 318.462049][ T4679] ? lockdep_softirqs_off+0x430/0x430
[ 318.467487][ T4679] ? kobject_add+0x230/0x230
[ 318.472141][ T4679] ? __init_swait_queue_head+0xa5/0x150
[ 318.477754][ T4679] gfs2_sys_fs_add+0x24f/0x4b0
[ 318.482592][ T4679] ? gfs2_recover_set+0x240/0x240
[ 318.487707][ T4679] ? snprintf+0xe5/0x140
[ 318.492001][ T4679] ? vscnprintf+0x80/0x80
[ 318.496392][ T4679] gfs2_fill_super+0x128c/0x1fb0
[ 318.501410][ T4679] ? gfs2_reconfigure+0xd30/0xd30
[ 318.506512][ T4679] ? sb_set_blocksize+0xa5/0xe0
[ 318.511432][ T4679] get_tree_bdev+0x3f1/0x610
[ 318.516056][ T4679] ? gfs2_reconfigure+0xd30/0xd30
[ 318.521118][ T4679] gfs2_get_tree+0x4d/0x1e0
[ 318.525676][ T4679] vfs_get_tree+0x88/0x270
[ 318.530124][ T4679] do_new_mount+0x24a/0xa40
[ 318.534676][ T4679] __se_sys_mount+0x2e3/0x3d0
[ 318.539398][ T4679] ? __x64_sys_mount+0xc0/0xc0
[ 318.544220][ T4679] ? lockdep_hardirqs_on+0x94/0x140
[ 318.549445][ T4679] ? __x64_sys_mount+0x1c/0xc0
[ 318.554267][ T4679] do_syscall_64+0x4c/0xa0
[ 318.558737][ T4679] ? clear_bhb_loop+0x60/0xb0
[ 318.563451][ T4679] ? clear_bhb_loop+0x60/0xb0
[ 318.568287][ T4679] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 318.574212][ T4679] RIP: 0033:0x7f6dce99e04a
[ 318.578664][ T4679] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 318.598336][ T4679] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 318.606826][ T4679] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 318.614835][ T4679] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 318.622833][ T4679] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 318.630854][ T4679] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 318.638864][ T4679] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 318.646890][ T4679]
[ 318.653679][ T4679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 318.666952][ T4679] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 319.007962][ T4680] loop1: detected capacity change from 0 to 32768
[ 319.026643][ T4680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 319.034158][ T4680] CPU: 1 PID: 4680 Comm: syz.1.232 Not tainted syzkaller #0
[ 319.041494][ T4680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 319.051596][ T4680] Call Trace:
[ 319.054917][ T4680]
[ 319.057887][ T4680] dump_stack_lvl+0x188/0x24e
[ 319.062634][ T4680] ? show_regs_print_info+0x12/0x12
[ 319.067896][ T4680] ? load_image+0x400/0x400
[ 319.072468][ T4680] sysfs_create_dir_ns+0x26a/0x290
[ 319.077644][ T4680] ? sysfs_warn_dup+0xa0/0xa0
[ 319.082381][ T4680] ? do_raw_spin_unlock+0x11d/0x230
[ 319.087636][ T4680] kobject_add_internal+0x61c/0xcc0
[ 319.092900][ T4680] kobject_init_and_add+0x128/0x190
[ 319.098237][ T4680] ? lockdep_softirqs_off+0x430/0x430
[ 319.103707][ T4680] ? kobject_add+0x230/0x230
[ 319.108357][ T4680] ? __init_swait_queue_head+0xa5/0x150
[ 319.113979][ T4680] gfs2_sys_fs_add+0x24f/0x4b0
[ 319.118837][ T4680] ? gfs2_recover_set+0x240/0x240
[ 319.123916][ T4680] ? snprintf+0xe5/0x140
[ 319.128223][ T4680] ? vscnprintf+0x80/0x80
[ 319.132623][ T4680] gfs2_fill_super+0x128c/0x1fb0
[ 319.137643][ T4680] ? gfs2_reconfigure+0xd30/0xd30
[ 319.142727][ T4680] ? sb_set_blocksize+0xa5/0xe0
[ 319.147637][ T4680] get_tree_bdev+0x3f1/0x610
[ 319.152266][ T4680] ? gfs2_reconfigure+0xd30/0xd30
[ 319.157323][ T4680] gfs2_get_tree+0x4d/0x1e0
[ 319.161864][ T4680] vfs_get_tree+0x88/0x270
[ 319.166311][ T4680] do_new_mount+0x24a/0xa40
[ 319.170853][ T4680] __se_sys_mount+0x2e3/0x3d0
[ 319.175575][ T4680] ? __x64_sys_mount+0xc0/0xc0
[ 319.180367][ T4680] ? lockdep_hardirqs_on+0x94/0x140
[ 319.185596][ T4680] ? __x64_sys_mount+0x1c/0xc0
[ 319.190394][ T4680] do_syscall_64+0x4c/0xa0
[ 319.194872][ T4680] ? clear_bhb_loop+0x60/0xb0
[ 319.199580][ T4680] ? clear_bhb_loop+0x60/0xb0
[ 319.204283][ T4680] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 319.210211][ T4680] RIP: 0033:0x7f6dce99e04a
[ 319.214649][ T4680] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 319.234317][ T4680] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 319.242764][ T4680] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 319.250761][ T4680] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 319.258758][ T4680] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 319.266844][ T4680] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 319.274839][ T4680] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 319.282845][ T4680]
[ 319.290672][ T4680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 319.306601][ T4680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 319.643656][ T4681] loop1: detected capacity change from 0 to 32768
[ 319.666598][ T4681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 319.674289][ T4681] CPU: 0 PID: 4681 Comm: syz.1.233 Not tainted syzkaller #0
[ 319.681627][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 319.691734][ T4681] Call Trace:
[ 319.695059][ T4681]
[ 319.698028][ T4681] dump_stack_lvl+0x188/0x24e
[ 319.702763][ T4681] ? show_regs_print_info+0x12/0x12
[ 319.708023][ T4681] ? load_image+0x400/0x400
[ 319.712603][ T4681] sysfs_create_dir_ns+0x26a/0x290
[ 319.717788][ T4681] ? sysfs_warn_dup+0xa0/0xa0
[ 319.722524][ T4681] ? do_raw_spin_unlock+0x11d/0x230
[ 319.727779][ T4681] kobject_add_internal+0x61c/0xcc0
[ 319.733033][ T4681] kobject_init_and_add+0x128/0x190
[ 319.738275][ T4681] ? lockdep_softirqs_off+0x430/0x430
[ 319.743726][ T4681] ? kobject_add+0x230/0x230
[ 319.748368][ T4681] ? __init_swait_queue_head+0xa5/0x150
[ 319.753971][ T4681] gfs2_sys_fs_add+0x24f/0x4b0
[ 319.758793][ T4681] ? gfs2_recover_set+0x240/0x240
[ 319.763871][ T4681] ? snprintf+0xe5/0x140
[ 319.768170][ T4681] ? vscnprintf+0x80/0x80
[ 319.772578][ T4681] gfs2_fill_super+0x128c/0x1fb0
[ 319.777613][ T4681] ? gfs2_reconfigure+0xd30/0xd30
[ 319.782695][ T4681] ? sb_set_blocksize+0xa5/0xe0
[ 319.787609][ T4681] get_tree_bdev+0x3f1/0x610
[ 319.792250][ T4681] ? gfs2_reconfigure+0xd30/0xd30
[ 319.797333][ T4681] gfs2_get_tree+0x4d/0x1e0
[ 319.801888][ T4681] vfs_get_tree+0x88/0x270
[ 319.806357][ T4681] do_new_mount+0x24a/0xa40
[ 319.810921][ T4681] __se_sys_mount+0x2e3/0x3d0
[ 319.815659][ T4681] ? __x64_sys_mount+0xc0/0xc0
[ 319.820478][ T4681] ? lockdep_hardirqs_on+0x94/0x140
[ 319.825723][ T4681] ? __x64_sys_mount+0x1c/0xc0
[ 319.830537][ T4681] do_syscall_64+0x4c/0xa0
[ 319.835022][ T4681] ? clear_bhb_loop+0x60/0xb0
[ 319.839763][ T4681] ? clear_bhb_loop+0x60/0xb0
[ 319.844497][ T4681] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 319.850471][ T4681] RIP: 0033:0x7f6dce99e04a
[ 319.854939][ T4681] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 319.874601][ T4681] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 319.883155][ T4681] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 319.891171][ T4681] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 319.899200][ T4681] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 319.907223][ T4681] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 319.915241][ T4681] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 319.923271][ T4681]
[ 319.930107][ T4681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 319.944117][ T4681] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 02:08:21 executed programs: 219
[ 320.270738][ T4682] loop1: detected capacity change from 0 to 32768
[ 320.290290][ T4682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 320.298069][ T4682] CPU: 1 PID: 4682 Comm: syz.1.234 Not tainted syzkaller #0
[ 320.305409][ T4682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 320.315510][ T4682] Call Trace:
[ 320.318846][ T4682]
[ 320.321822][ T4682] dump_stack_lvl+0x188/0x24e
[ 320.326581][ T4682] ? show_regs_print_info+0x12/0x12
[ 320.331840][ T4682] ? load_image+0x400/0x400
[ 320.336411][ T4682] sysfs_create_dir_ns+0x26a/0x290
[ 320.341585][ T4682] ? sysfs_warn_dup+0xa0/0xa0
[ 320.346323][ T4682] ? do_raw_spin_unlock+0x11d/0x230
[ 320.351581][ T4682] kobject_add_internal+0x61c/0xcc0
[ 320.356839][ T4682] kobject_init_and_add+0x128/0x190
[ 320.362089][ T4682] ? lockdep_softirqs_off+0x430/0x430
[ 320.367526][ T4682] ? kobject_add+0x230/0x230
[ 320.372177][ T4682] ? __init_swait_queue_head+0xa5/0x150
[ 320.377781][ T4682] gfs2_sys_fs_add+0x24f/0x4b0
[ 320.382617][ T4682] ? gfs2_recover_set+0x240/0x240
[ 320.387704][ T4682] ? snprintf+0xe5/0x140
[ 320.392004][ T4682] ? vscnprintf+0x80/0x80
[ 320.396400][ T4682] gfs2_fill_super+0x128c/0x1fb0
[ 320.401407][ T4682] ? gfs2_reconfigure+0xd30/0xd30
[ 320.406496][ T4682] ? sb_set_blocksize+0xa5/0xe0
[ 320.411415][ T4682] get_tree_bdev+0x3f1/0x610
[ 320.416059][ T4682] ? gfs2_reconfigure+0xd30/0xd30
[ 320.421137][ T4682] gfs2_get_tree+0x4d/0x1e0
[ 320.425697][ T4682] vfs_get_tree+0x88/0x270
[ 320.430164][ T4682] do_new_mount+0x24a/0xa40
[ 320.434728][ T4682] __se_sys_mount+0x2e3/0x3d0
[ 320.439459][ T4682] ? __x64_sys_mount+0xc0/0xc0
[ 320.444295][ T4682] ? lockdep_hardirqs_on+0x94/0x140
[ 320.449545][ T4682] ? __x64_sys_mount+0x1c/0xc0
[ 320.454400][ T4682] do_syscall_64+0x4c/0xa0
[ 320.458875][ T4682] ? clear_bhb_loop+0x60/0xb0
[ 320.463622][ T4682] ? clear_bhb_loop+0x60/0xb0
[ 320.468377][ T4682] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 320.474412][ T4682] RIP: 0033:0x7f6dce99e04a
[ 320.478872][ T4682] 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
[ 320.498534][ T4682] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 320.507008][ T4682] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 320.515023][ T4682] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 320.523037][ T4682] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 320.531059][ T4682] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 320.539186][ T4682] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 320.547224][ T4682]
[ 320.551755][ T4682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 320.565561][ T4682] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 320.881909][ T4683] loop1: detected capacity change from 0 to 32768
[ 320.895011][ T4683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 320.902452][ T4683] CPU: 0 PID: 4683 Comm: syz.1.235 Not tainted syzkaller #0
[ 320.909869][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 320.919980][ T4683] Call Trace:
[ 320.923302][ T4683]
[ 320.926290][ T4683] dump_stack_lvl+0x188/0x24e
[ 320.931037][ T4683] ? show_regs_print_info+0x12/0x12
[ 320.936297][ T4683] ? load_image+0x400/0x400
[ 320.940844][ T4683] sysfs_create_dir_ns+0x26a/0x290
[ 320.946022][ T4683] ? sysfs_warn_dup+0xa0/0xa0
[ 320.950752][ T4683] ? do_raw_spin_unlock+0x11d/0x230
[ 320.956076][ T4683] kobject_add_internal+0x61c/0xcc0
[ 320.961311][ T4683] kobject_init_and_add+0x128/0x190
[ 320.966534][ T4683] ? lockdep_softirqs_off+0x430/0x430
[ 320.971945][ T4683] ? kobject_add+0x230/0x230
[ 320.976566][ T4683] ? __init_swait_queue_head+0xa5/0x150
[ 320.982149][ T4683] gfs2_sys_fs_add+0x24f/0x4b0
[ 320.986956][ T4683] ? gfs2_recover_set+0x240/0x240
[ 320.992019][ T4683] ? snprintf+0xe5/0x140
[ 320.996293][ T4683] ? vscnprintf+0x80/0x80
[ 321.000698][ T4683] gfs2_fill_super+0x128c/0x1fb0
[ 321.005677][ T4683] ? gfs2_reconfigure+0xd30/0xd30
[ 321.010735][ T4683] ? sb_set_blocksize+0xa5/0xe0
[ 321.015621][ T4683] get_tree_bdev+0x3f1/0x610
[ 321.020271][ T4683] ? gfs2_reconfigure+0xd30/0xd30
[ 321.025326][ T4683] gfs2_get_tree+0x4d/0x1e0
[ 321.029859][ T4683] vfs_get_tree+0x88/0x270
[ 321.034322][ T4683] do_new_mount+0x24a/0xa40
[ 321.038859][ T4683] __se_sys_mount+0x2e3/0x3d0
[ 321.043570][ T4683] ? __x64_sys_mount+0xc0/0xc0
[ 321.048383][ T4683] ? lockdep_hardirqs_on+0x94/0x140
[ 321.053637][ T4683] ? __x64_sys_mount+0x1c/0xc0
[ 321.058454][ T4683] do_syscall_64+0x4c/0xa0
[ 321.062924][ T4683] ? clear_bhb_loop+0x60/0xb0
[ 321.067639][ T4683] ? clear_bhb_loop+0x60/0xb0
[ 321.072372][ T4683] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 321.078319][ T4683] RIP: 0033:0x7f6dce99e04a
[ 321.082798][ T4683] 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
[ 321.102434][ T4683] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 321.110903][ T4683] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 321.118937][ T4683] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 321.126945][ T4683] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 321.134944][ T4683] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 321.142937][ T4683] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 321.150985][ T4683]
[ 321.158804][ T4683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 321.176543][ T4683] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 321.516306][ T4684] loop1: detected capacity change from 0 to 32768
[ 321.528894][ T4684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 321.537241][ T4684] CPU: 0 PID: 4684 Comm: syz.1.236 Not tainted syzkaller #0
[ 321.544592][ T4684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 321.554708][ T4684] Call Trace:
[ 321.558028][ T4684]
[ 321.560991][ T4684] dump_stack_lvl+0x188/0x24e
[ 321.565706][ T4684] ? show_regs_print_info+0x12/0x12
[ 321.570963][ T4684] ? load_image+0x400/0x400
[ 321.575534][ T4684] sysfs_create_dir_ns+0x26a/0x290
[ 321.580712][ T4684] ? sysfs_warn_dup+0xa0/0xa0
[ 321.585452][ T4684] ? do_raw_spin_unlock+0x11d/0x230
[ 321.590713][ T4684] kobject_add_internal+0x61c/0xcc0
[ 321.595975][ T4684] kobject_init_and_add+0x128/0x190
[ 321.601248][ T4684] ? lockdep_softirqs_off+0x430/0x430
[ 321.606690][ T4684] ? kobject_add+0x230/0x230
[ 321.611346][ T4684] ? __init_swait_queue_head+0xa5/0x150
[ 321.616951][ T4684] gfs2_sys_fs_add+0x24f/0x4b0
[ 321.621761][ T4684] ? gfs2_recover_set+0x240/0x240
[ 321.626843][ T4684] ? snprintf+0xe5/0x140
[ 321.631137][ T4684] ? vscnprintf+0x80/0x80
[ 321.635518][ T4684] gfs2_fill_super+0x128c/0x1fb0
[ 321.640555][ T4684] ? gfs2_reconfigure+0xd30/0xd30
[ 321.645632][ T4684] ? sb_set_blocksize+0xa5/0xe0
[ 321.650527][ T4684] get_tree_bdev+0x3f1/0x610
[ 321.655180][ T4684] ? gfs2_reconfigure+0xd30/0xd30
[ 321.660234][ T4684] gfs2_get_tree+0x4d/0x1e0
[ 321.664814][ T4684] vfs_get_tree+0x88/0x270
[ 321.669363][ T4684] do_new_mount+0x24a/0xa40
[ 321.673916][ T4684] __se_sys_mount+0x2e3/0x3d0
[ 321.678653][ T4684] ? __x64_sys_mount+0xc0/0xc0
[ 321.683463][ T4684] ? lockdep_hardirqs_on+0x94/0x140
[ 321.688707][ T4684] ? __x64_sys_mount+0x1c/0xc0
[ 321.693508][ T4684] do_syscall_64+0x4c/0xa0
[ 321.698089][ T4684] ? clear_bhb_loop+0x60/0xb0
[ 321.702823][ T4684] ? clear_bhb_loop+0x60/0xb0
[ 321.707547][ T4684] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 321.713474][ T4684] RIP: 0033:0x7f6dce99e04a
[ 321.717922][ T4684] 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
[ 321.737561][ T4684] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 321.746003][ T4684] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 321.753996][ T4684] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 321.761989][ T4684] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 321.770024][ T4684] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 321.778017][ T4684] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 321.786028][ T4684]
[ 321.796839][ T4684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 321.810622][ T4684] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 322.165206][ T4685] loop1: detected capacity change from 0 to 32768
[ 322.192177][ T4685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 322.199774][ T4685] CPU: 0 PID: 4685 Comm: syz.1.237 Not tainted syzkaller #0
[ 322.207120][ T4685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 322.217229][ T4685] Call Trace:
[ 322.220549][ T4685]
[ 322.223519][ T4685] dump_stack_lvl+0x188/0x24e
[ 322.228255][ T4685] ? show_regs_print_info+0x12/0x12
[ 322.233516][ T4685] ? load_image+0x400/0x400
[ 322.238086][ T4685] sysfs_create_dir_ns+0x26a/0x290
[ 322.243265][ T4685] ? sysfs_warn_dup+0xa0/0xa0
[ 322.248006][ T4685] ? do_raw_spin_unlock+0x11d/0x230
[ 322.253261][ T4685] kobject_add_internal+0x61c/0xcc0
[ 322.258524][ T4685] kobject_init_and_add+0x128/0x190
[ 322.263773][ T4685] ? lockdep_softirqs_off+0x430/0x430
[ 322.269388][ T4685] ? kobject_add+0x230/0x230
[ 322.274042][ T4685] ? __init_swait_queue_head+0xa5/0x150
[ 322.279658][ T4685] gfs2_sys_fs_add+0x24f/0x4b0
[ 322.284512][ T4685] ? gfs2_recover_set+0x240/0x240
[ 322.289604][ T4685] ? snprintf+0xe5/0x140
[ 322.293896][ T4685] ? vscnprintf+0x80/0x80
[ 322.298296][ T4685] gfs2_fill_super+0x128c/0x1fb0
[ 322.303296][ T4685] ? gfs2_reconfigure+0xd30/0xd30
[ 322.308377][ T4685] ? sb_set_blocksize+0xa5/0xe0
[ 322.313295][ T4685] get_tree_bdev+0x3f1/0x610
[ 322.317938][ T4685] ? gfs2_reconfigure+0xd30/0xd30
[ 322.323015][ T4685] gfs2_get_tree+0x4d/0x1e0
[ 322.327591][ T4685] vfs_get_tree+0x88/0x270
[ 322.332065][ T4685] do_new_mount+0x24a/0xa40
[ 322.336636][ T4685] __se_sys_mount+0x2e3/0x3d0
[ 322.341382][ T4685] ? __x64_sys_mount+0xc0/0xc0
[ 322.346213][ T4685] ? lockdep_hardirqs_on+0x94/0x140
[ 322.351460][ T4685] ? __x64_sys_mount+0x1c/0xc0
[ 322.356273][ T4685] do_syscall_64+0x4c/0xa0
[ 322.360745][ T4685] ? clear_bhb_loop+0x60/0xb0
[ 322.365469][ T4685] ? clear_bhb_loop+0x60/0xb0
[ 322.370202][ T4685] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 322.376152][ T4685] RIP: 0033:0x7f6dce99e04a
[ 322.380624][ T4685] 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
[ 322.400280][ T4685] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 322.408754][ T4685] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 322.416889][ T4685] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 322.424909][ T4685] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 322.433009][ T4685] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 322.441068][ T4685] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 322.449111][ T4685]
[ 322.461143][ T4685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 322.477213][ T4685] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 322.808796][ T4686] loop1: detected capacity change from 0 to 32768
[ 322.817755][ T4686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 322.834053][ T4686] CPU: 1 PID: 4686 Comm: syz.1.238 Not tainted syzkaller #0
[ 322.841417][ T4686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 322.851508][ T4686] Call Trace:
[ 322.854802][ T4686]
[ 322.857743][ T4686] dump_stack_lvl+0x188/0x24e
[ 322.862443][ T4686] ? show_regs_print_info+0x12/0x12
[ 322.867662][ T4686] ? load_image+0x400/0x400
[ 322.872189][ T4686] sysfs_create_dir_ns+0x26a/0x290
[ 322.877317][ T4686] ? sysfs_warn_dup+0xa0/0xa0
[ 322.882025][ T4686] ? do_raw_spin_unlock+0x11d/0x230
[ 322.887281][ T4686] kobject_add_internal+0x61c/0xcc0
[ 322.892546][ T4686] kobject_init_and_add+0x128/0x190
[ 322.897792][ T4686] ? lockdep_softirqs_off+0x430/0x430
[ 322.903204][ T4686] ? kobject_add+0x230/0x230
[ 322.907835][ T4686] ? __init_swait_queue_head+0xa5/0x150
[ 322.913616][ T4686] gfs2_sys_fs_add+0x24f/0x4b0
[ 322.918418][ T4686] ? gfs2_recover_set+0x240/0x240
[ 322.923483][ T4686] ? snprintf+0xe5/0x140
[ 322.927763][ T4686] ? vscnprintf+0x80/0x80
[ 322.932222][ T4686] gfs2_fill_super+0x128c/0x1fb0
[ 322.937195][ T4686] ? gfs2_reconfigure+0xd30/0xd30
[ 322.942255][ T4686] ? sb_set_blocksize+0xa5/0xe0
[ 322.947144][ T4686] get_tree_bdev+0x3f1/0x610
[ 322.951800][ T4686] ? gfs2_reconfigure+0xd30/0xd30
[ 322.956863][ T4686] gfs2_get_tree+0x4d/0x1e0
[ 322.961398][ T4686] vfs_get_tree+0x88/0x270
[ 322.965845][ T4686] do_new_mount+0x24a/0xa40
[ 322.970378][ T4686] __se_sys_mount+0x2e3/0x3d0
[ 322.975112][ T4686] ? __x64_sys_mount+0xc0/0xc0
[ 322.979903][ T4686] ? lockdep_hardirqs_on+0x94/0x140
[ 322.985133][ T4686] ? __x64_sys_mount+0x1c/0xc0
[ 322.989927][ T4686] do_syscall_64+0x4c/0xa0
[ 322.994376][ T4686] ? clear_bhb_loop+0x60/0xb0
[ 322.999086][ T4686] ? clear_bhb_loop+0x60/0xb0
[ 323.003816][ T4686] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 323.009744][ T4686] RIP: 0033:0x7f6dce99e04a
[ 323.014187][ T4686] 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
[ 323.033916][ T4686] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 323.042465][ T4686] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 323.050471][ T4686] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 323.058660][ T4686] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 323.066674][ T4686] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 323.074710][ T4686] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 323.082727][ T4686]
[ 323.090758][ T4686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 323.106236][ T4686] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 323.454130][ T4687] loop1: detected capacity change from 0 to 32768
[ 323.467281][ T4687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 323.475695][ T4687] CPU: 1 PID: 4687 Comm: syz.1.239 Not tainted syzkaller #0
[ 323.483038][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 323.493125][ T4687] Call Trace:
[ 323.496456][ T4687]
[ 323.499436][ T4687] dump_stack_lvl+0x188/0x24e
[ 323.504184][ T4687] ? show_regs_print_info+0x12/0x12
[ 323.509442][ T4687] ? load_image+0x400/0x400
[ 323.514022][ T4687] sysfs_create_dir_ns+0x26a/0x290
[ 323.519204][ T4687] ? sysfs_warn_dup+0xa0/0xa0
[ 323.523948][ T4687] ? do_raw_spin_unlock+0x11d/0x230
[ 323.529207][ T4687] kobject_add_internal+0x61c/0xcc0
[ 323.534475][ T4687] kobject_init_and_add+0x128/0x190
[ 323.539729][ T4687] ? lockdep_softirqs_off+0x430/0x430
[ 323.545152][ T4687] ? kobject_add+0x230/0x230
[ 323.549777][ T4687] ? __init_swait_queue_head+0xa5/0x150
[ 323.555368][ T4687] gfs2_sys_fs_add+0x24f/0x4b0
[ 323.560182][ T4687] ? gfs2_recover_set+0x240/0x240
[ 323.565271][ T4687] ? snprintf+0xe5/0x140
[ 323.569544][ T4687] ? vscnprintf+0x80/0x80
[ 323.573909][ T4687] gfs2_fill_super+0x128c/0x1fb0
[ 323.578885][ T4687] ? gfs2_reconfigure+0xd30/0xd30
[ 323.583975][ T4687] ? sb_set_blocksize+0xa5/0xe0
[ 323.588970][ T4687] get_tree_bdev+0x3f1/0x610
[ 323.593595][ T4687] ? gfs2_reconfigure+0xd30/0xd30
[ 323.598653][ T4687] gfs2_get_tree+0x4d/0x1e0
[ 323.603185][ T4687] vfs_get_tree+0x88/0x270
[ 323.607635][ T4687] do_new_mount+0x24a/0xa40
[ 323.612174][ T4687] __se_sys_mount+0x2e3/0x3d0
[ 323.616879][ T4687] ? __x64_sys_mount+0xc0/0xc0
[ 323.621685][ T4687] ? lockdep_hardirqs_on+0x94/0x140
[ 323.626908][ T4687] ? __x64_sys_mount+0x1c/0xc0
[ 323.631744][ T4687] do_syscall_64+0x4c/0xa0
[ 323.636203][ T4687] ? clear_bhb_loop+0x60/0xb0
[ 323.640908][ T4687] ? clear_bhb_loop+0x60/0xb0
[ 323.645620][ T4687] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 323.651562][ T4687] RIP: 0033:0x7f6dce99e04a
[ 323.656014][ T4687] 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
[ 323.675744][ T4687] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 323.684197][ T4687] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 323.692202][ T4687] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 323.700637][ T4687] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 323.708634][ T4687] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 323.716633][ T4687] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 323.724646][ T4687]
[ 323.733562][ T4687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 323.746940][ T4687] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 324.107019][ T4688] loop1: detected capacity change from 0 to 32768
[ 324.120788][ T4688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 324.129398][ T4688] CPU: 0 PID: 4688 Comm: syz.1.240 Not tainted syzkaller #0
[ 324.136777][ T4688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 324.146881][ T4688] Call Trace:
[ 324.150207][ T4688]
[ 324.153187][ T4688] dump_stack_lvl+0x188/0x24e
[ 324.157941][ T4688] ? show_regs_print_info+0x12/0x12
[ 324.163206][ T4688] ? load_image+0x400/0x400
[ 324.167802][ T4688] sysfs_create_dir_ns+0x26a/0x290
[ 324.172977][ T4688] ? sysfs_warn_dup+0xa0/0xa0
[ 324.177722][ T4688] ? do_raw_spin_unlock+0x11d/0x230
[ 324.182971][ T4688] kobject_add_internal+0x61c/0xcc0
[ 324.188234][ T4688] kobject_init_and_add+0x128/0x190
[ 324.193488][ T4688] ? lockdep_softirqs_off+0x430/0x430
[ 324.198917][ T4688] ? kobject_add+0x230/0x230
[ 324.203545][ T4688] ? __init_swait_queue_head+0xa5/0x150
[ 324.209135][ T4688] gfs2_sys_fs_add+0x24f/0x4b0
[ 324.213938][ T4688] ? gfs2_recover_set+0x240/0x240
[ 324.219009][ T4688] ? snprintf+0xe5/0x140
[ 324.223304][ T4688] ? vscnprintf+0x80/0x80
[ 324.227674][ T4688] gfs2_fill_super+0x128c/0x1fb0
[ 324.232654][ T4688] ? gfs2_reconfigure+0xd30/0xd30
[ 324.237713][ T4688] ? sb_set_blocksize+0xa5/0xe0
[ 324.242601][ T4688] get_tree_bdev+0x3f1/0x610
[ 324.247229][ T4688] ? gfs2_reconfigure+0xd30/0xd30
[ 324.252287][ T4688] gfs2_get_tree+0x4d/0x1e0
[ 324.256817][ T4688] vfs_get_tree+0x88/0x270
[ 324.261268][ T4688] do_new_mount+0x24a/0xa40
[ 324.265810][ T4688] __se_sys_mount+0x2e3/0x3d0
[ 324.270519][ T4688] ? __x64_sys_mount+0xc0/0xc0
[ 324.275332][ T4688] ? lockdep_hardirqs_on+0x94/0x140
[ 324.280559][ T4688] ? __x64_sys_mount+0x1c/0xc0
[ 324.285382][ T4688] do_syscall_64+0x4c/0xa0
[ 324.289837][ T4688] ? clear_bhb_loop+0x60/0xb0
[ 324.294544][ T4688] ? clear_bhb_loop+0x60/0xb0
[ 324.299258][ T4688] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 324.305192][ T4688] RIP: 0033:0x7f6dce99e04a
[ 324.309646][ T4688] 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
[ 324.329388][ T4688] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 324.337837][ T4688] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 324.345838][ T4688] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 324.353833][ T4688] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 324.361828][ T4688] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 324.369826][ T4688] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 324.377837][ T4688]
[ 324.383820][ T4688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 324.397226][ T4688] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 324.741242][ T4689] loop1: detected capacity change from 0 to 32768
[ 324.761657][ T4689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 324.769531][ T4689] CPU: 1 PID: 4689 Comm: syz.1.241 Not tainted syzkaller #0
[ 324.776876][ T4689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 324.786976][ T4689] Call Trace:
[ 324.790297][ T4689]
[ 324.793272][ T4689] dump_stack_lvl+0x188/0x24e
[ 324.798021][ T4689] ? show_regs_print_info+0x12/0x12
[ 324.803286][ T4689] ? load_image+0x400/0x400
[ 324.807859][ T4689] sysfs_create_dir_ns+0x26a/0x290
[ 324.813054][ T4689] ? sysfs_warn_dup+0xa0/0xa0
[ 324.817793][ T4689] ? do_raw_spin_unlock+0x11d/0x230
[ 324.823051][ T4689] kobject_add_internal+0x61c/0xcc0
[ 324.828317][ T4689] kobject_init_and_add+0x128/0x190
[ 324.833584][ T4689] ? lockdep_softirqs_off+0x430/0x430
[ 324.839031][ T4689] ? kobject_add+0x230/0x230
[ 324.843719][ T4689] ? __init_swait_queue_head+0xa5/0x150
[ 324.849327][ T4689] gfs2_sys_fs_add+0x24f/0x4b0
[ 324.854157][ T4689] ? gfs2_recover_set+0x240/0x240
[ 324.859238][ T4689] ? snprintf+0xe5/0x140
[ 324.863543][ T4689] ? vscnprintf+0x80/0x80
[ 324.867937][ T4689] gfs2_fill_super+0x128c/0x1fb0
[ 324.872943][ T4689] ? gfs2_reconfigure+0xd30/0xd30
[ 324.878060][ T4689] ? sb_set_blocksize+0xa5/0xe0
[ 324.882973][ T4689] get_tree_bdev+0x3f1/0x610
[ 324.887625][ T4689] ? gfs2_reconfigure+0xd30/0xd30
[ 324.892703][ T4689] gfs2_get_tree+0x4d/0x1e0
[ 324.897259][ T4689] vfs_get_tree+0x88/0x270
[ 324.901723][ T4689] do_new_mount+0x24a/0xa40
[ 324.906284][ T4689] __se_sys_mount+0x2e3/0x3d0
[ 324.911019][ T4689] ? __x64_sys_mount+0xc0/0xc0
[ 324.915832][ T4689] ? lockdep_hardirqs_on+0x94/0x140
[ 324.921082][ T4689] ? __x64_sys_mount+0x1c/0xc0
[ 324.925905][ T4689] do_syscall_64+0x4c/0xa0
[ 324.930377][ T4689] ? clear_bhb_loop+0x60/0xb0
[ 324.935105][ T4689] ? clear_bhb_loop+0x60/0xb0
[ 324.939840][ T4689] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 324.945780][ T4689] RIP: 0033:0x7f6dce99e04a
[ 324.950235][ T4689] 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
[ 324.969931][ T4689] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 324.978398][ T4689] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 324.986502][ T4689] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 324.994522][ T4689] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 325.002539][ T4689] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 325.010553][ T4689] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 325.018585][ T4689]
[ 325.023065][ T4689] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 325.036353][ T4689] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 02:08:26 executed programs: 227
[ 325.350081][ T4690] loop1: detected capacity change from 0 to 32768
[ 325.363160][ T4690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 325.372220][ T4690] CPU: 0 PID: 4690 Comm: syz.1.242 Not tainted syzkaller #0
[ 325.379578][ T4690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 325.389773][ T4690] Call Trace:
[ 325.393095][ T4690]
[ 325.396069][ T4690] dump_stack_lvl+0x188/0x24e
[ 325.400983][ T4690] ? show_regs_print_info+0x12/0x12
[ 325.406226][ T4690] ? load_image+0x400/0x400
[ 325.410775][ T4690] sysfs_create_dir_ns+0x26a/0x290
[ 325.415923][ T4690] ? sysfs_warn_dup+0xa0/0xa0
[ 325.420634][ T4690] ? do_raw_spin_unlock+0x11d/0x230
[ 325.425865][ T4690] kobject_add_internal+0x61c/0xcc0
[ 325.431121][ T4690] kobject_init_and_add+0x128/0x190
[ 325.436353][ T4690] ? lockdep_softirqs_off+0x430/0x430
[ 325.441761][ T4690] ? kobject_add+0x230/0x230
[ 325.446384][ T4690] ? __init_swait_queue_head+0xa5/0x150
[ 325.451968][ T4690] gfs2_sys_fs_add+0x24f/0x4b0
[ 325.456768][ T4690] ? gfs2_recover_set+0x240/0x240
[ 325.461829][ T4690] ? snprintf+0xe5/0x140
[ 325.466111][ T4690] ? vscnprintf+0x80/0x80
[ 325.470481][ T4690] gfs2_fill_super+0x128c/0x1fb0
[ 325.475470][ T4690] ? gfs2_reconfigure+0xd30/0xd30
[ 325.480614][ T4690] ? sb_set_blocksize+0xa5/0xe0
[ 325.485505][ T4690] get_tree_bdev+0x3f1/0x610
[ 325.490131][ T4690] ? gfs2_reconfigure+0xd30/0xd30
[ 325.495187][ T4690] gfs2_get_tree+0x4d/0x1e0
[ 325.499719][ T4690] vfs_get_tree+0x88/0x270
[ 325.504253][ T4690] do_new_mount+0x24a/0xa40
[ 325.508793][ T4690] __se_sys_mount+0x2e3/0x3d0
[ 325.513545][ T4690] ? __x64_sys_mount+0xc0/0xc0
[ 325.518344][ T4690] ? lockdep_hardirqs_on+0x94/0x140
[ 325.523574][ T4690] ? __x64_sys_mount+0x1c/0xc0
[ 325.528373][ T4690] do_syscall_64+0x4c/0xa0
[ 325.532824][ T4690] ? clear_bhb_loop+0x60/0xb0
[ 325.537562][ T4690] ? clear_bhb_loop+0x60/0xb0
[ 325.542274][ T4690] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 325.548200][ T4690] RIP: 0033:0x7f6dce99e04a
[ 325.552652][ T4690] 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
[ 325.572391][ T4690] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 325.580835][ T4690] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 325.588834][ T4690] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 325.596834][ T4690] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 325.604920][ T4690] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 325.613030][ T4690] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 325.621038][ T4690]
[ 325.631232][ T4690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 325.644805][ T4690] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 326.000623][ T4691] loop1: detected capacity change from 0 to 32768
[ 326.024157][ T4691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 326.031811][ T4691] CPU: 1 PID: 4691 Comm: syz.1.243 Not tainted syzkaller #0
[ 326.039143][ T4691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 326.049216][ T4691] Call Trace:
[ 326.052537][ T4691]
[ 326.055510][ T4691] dump_stack_lvl+0x188/0x24e
[ 326.060222][ T4691] ? show_regs_print_info+0x12/0x12
[ 326.065483][ T4691] ? load_image+0x400/0x400
[ 326.070057][ T4691] sysfs_create_dir_ns+0x26a/0x290
[ 326.075762][ T4691] ? sysfs_warn_dup+0xa0/0xa0
[ 326.080650][ T4691] ? do_raw_spin_unlock+0x11d/0x230
[ 326.085925][ T4691] kobject_add_internal+0x61c/0xcc0
[ 326.091190][ T4691] kobject_init_and_add+0x128/0x190
[ 326.096478][ T4691] ? lockdep_softirqs_off+0x430/0x430
[ 326.102183][ T4691] ? kobject_add+0x230/0x230
[ 326.106904][ T4691] ? __init_swait_queue_head+0xa5/0x150
[ 326.112509][ T4691] gfs2_sys_fs_add+0x24f/0x4b0
[ 326.117326][ T4691] ? gfs2_recover_set+0x240/0x240
[ 326.122390][ T4691] ? snprintf+0xe5/0x140
[ 326.126699][ T4691] ? vscnprintf+0x80/0x80
[ 326.131152][ T4691] gfs2_fill_super+0x128c/0x1fb0
[ 326.136139][ T4691] ? gfs2_reconfigure+0xd30/0xd30
[ 326.141205][ T4691] ? sb_set_blocksize+0xa5/0xe0
[ 326.146092][ T4691] get_tree_bdev+0x3f1/0x610
[ 326.150803][ T4691] ? gfs2_reconfigure+0xd30/0xd30
[ 326.155857][ T4691] gfs2_get_tree+0x4d/0x1e0
[ 326.160391][ T4691] vfs_get_tree+0x88/0x270
[ 326.164840][ T4691] do_new_mount+0x24a/0xa40
[ 326.169558][ T4691] __se_sys_mount+0x2e3/0x3d0
[ 326.174271][ T4691] ? __x64_sys_mount+0xc0/0xc0
[ 326.179070][ T4691] ? lockdep_hardirqs_on+0x94/0x140
[ 326.184309][ T4691] ? __x64_sys_mount+0x1c/0xc0
[ 326.189112][ T4691] do_syscall_64+0x4c/0xa0
[ 326.193704][ T4691] ? clear_bhb_loop+0x60/0xb0
[ 326.198422][ T4691] ? clear_bhb_loop+0x60/0xb0
[ 326.203142][ T4691] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 326.209083][ T4691] RIP: 0033:0x7f6dce99e04a
[ 326.213539][ T4691] 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
[ 326.233185][ T4691] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 326.241633][ T4691] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 326.249632][ T4691] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 326.257637][ T4691] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 326.265633][ T4691] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 326.273625][ T4691] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 326.281645][ T4691]
[ 326.289102][ T4691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 326.305196][ T4691] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 326.648164][ T4692] loop1: detected capacity change from 0 to 32768
[ 326.665204][ T4692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 326.672676][ T4692] CPU: 0 PID: 4692 Comm: syz.1.244 Not tainted syzkaller #0
[ 326.680015][ T4692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 326.690112][ T4692] Call Trace:
[ 326.693439][ T4692]
[ 326.696415][ T4692] dump_stack_lvl+0x188/0x24e
[ 326.701260][ T4692] ? show_regs_print_info+0x12/0x12
[ 326.706520][ T4692] ? load_image+0x400/0x400
[ 326.711096][ T4692] sysfs_create_dir_ns+0x26a/0x290
[ 326.716267][ T4692] ? sysfs_warn_dup+0xa0/0xa0
[ 326.721018][ T4692] ? do_raw_spin_unlock+0x11d/0x230
[ 326.726275][ T4692] kobject_add_internal+0x61c/0xcc0
[ 326.731538][ T4692] kobject_init_and_add+0x128/0x190
[ 326.736787][ T4692] ? lockdep_softirqs_off+0x430/0x430
[ 326.742221][ T4692] ? kobject_add+0x230/0x230
[ 326.746870][ T4692] ? __init_swait_queue_head+0xa5/0x150
[ 326.752483][ T4692] gfs2_sys_fs_add+0x24f/0x4b0
[ 326.757310][ T4692] ? gfs2_recover_set+0x240/0x240
[ 326.762486][ T4692] ? snprintf+0xe5/0x140
[ 326.766782][ T4692] ? vscnprintf+0x80/0x80
[ 326.771181][ T4692] gfs2_fill_super+0x128c/0x1fb0
[ 326.776186][ T4692] ? gfs2_reconfigure+0xd30/0xd30
[ 326.781271][ T4692] ? sb_set_blocksize+0xa5/0xe0
[ 326.786183][ T4692] get_tree_bdev+0x3f1/0x610
[ 326.790829][ T4692] ? gfs2_reconfigure+0xd30/0xd30
[ 326.795906][ T4692] gfs2_get_tree+0x4d/0x1e0
[ 326.800464][ T4692] vfs_get_tree+0x88/0x270
[ 326.804940][ T4692] do_new_mount+0x24a/0xa40
[ 326.809506][ T4692] __se_sys_mount+0x2e3/0x3d0
[ 326.814333][ T4692] ? __x64_sys_mount+0xc0/0xc0
[ 326.819515][ T4692] ? lockdep_hardirqs_on+0x94/0x140
[ 326.824770][ T4692] ? __x64_sys_mount+0x1c/0xc0
[ 326.829594][ T4692] do_syscall_64+0x4c/0xa0
[ 326.834072][ T4692] ? clear_bhb_loop+0x60/0xb0
[ 326.838803][ T4692] ? clear_bhb_loop+0x60/0xb0
[ 326.843535][ T4692] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 326.849484][ T4692] RIP: 0033:0x7f6dce99e04a
[ 326.853955][ T4692] 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
[ 326.873618][ T4692] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 326.882132][ T4692] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 326.890149][ T4692] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 326.898171][ T4692] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 326.906201][ T4692] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 326.914223][ T4692] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 326.922350][ T4692]
[ 326.933071][ T4692] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 326.946953][ T4692] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 327.301268][ T4693] loop1: detected capacity change from 0 to 32768
[ 327.319989][ T4693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 327.327572][ T4693] CPU: 0 PID: 4693 Comm: syz.1.245 Not tainted syzkaller #0
[ 327.334911][ T4693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 327.345018][ T4693] Call Trace:
[ 327.348345][ T4693]
[ 327.351323][ T4693] dump_stack_lvl+0x188/0x24e
[ 327.356066][ T4693] ? show_regs_print_info+0x12/0x12
[ 327.361332][ T4693] ? load_image+0x400/0x400
[ 327.365907][ T4693] sysfs_create_dir_ns+0x26a/0x290
[ 327.371081][ T4693] ? sysfs_warn_dup+0xa0/0xa0
[ 327.375827][ T4693] ? do_raw_spin_unlock+0x11d/0x230
[ 327.381076][ T4693] kobject_add_internal+0x61c/0xcc0
[ 327.386336][ T4693] kobject_init_and_add+0x128/0x190
[ 327.391562][ T4693] ? lockdep_softirqs_off+0x430/0x430
[ 327.396969][ T4693] ? kobject_add+0x230/0x230
[ 327.401592][ T4693] ? __init_swait_queue_head+0xa5/0x150
[ 327.407175][ T4693] gfs2_sys_fs_add+0x24f/0x4b0
[ 327.411985][ T4693] ? gfs2_recover_set+0x240/0x240
[ 327.417148][ T4693] ? snprintf+0xe5/0x140
[ 327.421430][ T4693] ? vscnprintf+0x80/0x80
[ 327.425813][ T4693] gfs2_fill_super+0x128c/0x1fb0
[ 327.430793][ T4693] ? gfs2_reconfigure+0xd30/0xd30
[ 327.435855][ T4693] ? sb_set_blocksize+0xa5/0xe0
[ 327.440739][ T4693] get_tree_bdev+0x3f1/0x610
[ 327.445365][ T4693] ? gfs2_reconfigure+0xd30/0xd30
[ 327.450453][ T4693] gfs2_get_tree+0x4d/0x1e0
[ 327.454997][ T4693] vfs_get_tree+0x88/0x270
[ 327.459535][ T4693] do_new_mount+0x24a/0xa40
[ 327.464074][ T4693] __se_sys_mount+0x2e3/0x3d0
[ 327.468850][ T4693] ? __x64_sys_mount+0xc0/0xc0
[ 327.473734][ T4693] ? lockdep_hardirqs_on+0x94/0x140
[ 327.478964][ T4693] ? __x64_sys_mount+0x1c/0xc0
[ 327.483935][ T4693] do_syscall_64+0x4c/0xa0
[ 327.488412][ T4693] ? clear_bhb_loop+0x60/0xb0
[ 327.493124][ T4693] ? clear_bhb_loop+0x60/0xb0
[ 327.497850][ T4693] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 327.503780][ T4693] RIP: 0033:0x7f6dce99e04a
[ 327.508221][ T4693] 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
[ 327.527860][ T4693] RSP: 002b:00007ffe6b5f3458 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 327.536394][ T4693] RAX: ffffffffffffffda RBX: 00007ffe6b5f34e0 RCX: 00007f6dce99e04a
[ 327.544401][ T4693] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe6b5f34a0
[ 327.552400][ T4693] RBP: 0000200000037f40 R08: 00007ffe6b5f34e0 R09: 0000000001010084
[ 327.560667][ T4693] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 327.568675][ T4693] R13: 00007ffe6b5f34a0 R14: 0000000000037f45 R15: 0000200000000480
[ 327.576697][ T4693]
[ 327.585338][ T27] INFO: task kworker/1:6:4419 blocked for more than 143 seconds.
[ 327.586196][ T4693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 327.606391][ T27] Not tainted syzkaller #0
[ 327.606467][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 327.606478][ T27] task:kworker/1:6 state:D stack:23832 pid:4419 ppid:2 flags:0x00004000
[ 327.606520][ T27] Workqueue: gfs_recovery gfs2_recover_func
[ 327.606555][ T27] Call Trace:
[ 327.606563][ T27]
[ 327.606576][ T27] __schedule+0x11d1/0x40e0
[ 327.606629][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 327.606662][ T27] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 327.606696][ T27] ? __sched_text_start+0x8/0x8
[ 327.662154][ T4693] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 327.671365][ T27] ? lock_chain_count+0x20/0x20
[ 327.676501][ T27] schedule+0xb9/0x180
[ 327.680676][ T27] io_schedule+0x7c/0xd0
[ 327.687360][ T27] folio_wait_bit_common+0x70a/0xfa0
[ 327.692888][ T27] ? folio_wait_bit+0x30/0x30
[ 327.697698][ T27] ? migration_entry_wait_on_locked+0xe90/0xe90
[ 327.705185][ T27] ? __submit_bio+0x1a7/0x290
[ 327.709953][ T27] gfs2_jhead_process_page+0x17a/0x800
[ 327.715833][ T27] ? should_fail_request+0x70/0x70
[ 327.721771][ T27] ? gfs2_end_log_read+0x780/0x780
[ 327.727462][ T27] gfs2_find_jhead+0xba2/0xd00
[ 327.732458][ T27] gfs2_recover_func+0x6d2/0x1ca0
[ 327.740207][ T27] ? __get_log_header+0x4f0/0x4f0
[ 327.745647][ T27] ? __lock_acquire+0x13cf/0x7d10
[ 327.750884][ T27] ? verify_lock_unused+0x140/0x140
[ 327.774311][ T27] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 327.780396][ T27] ? _raw_spin_unlock+0x40/0x40
[ 327.793542][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 327.798825][ T27] ? process_one_work+0x7b0/0x1160
[ 327.804359][ T27] process_one_work+0x8a2/0x1160
[ 327.809383][ T27] ? worker_detach_from_pool+0x240/0x240
[ 327.823414][ T27] ? _raw_spin_lock_irq+0xb7/0xf0
[ 327.828523][ T27] ? _raw_spin_lock_irqsave+0x100/0x100
[ 327.843443][ T27] ? kthread_data+0x4b/0xc0
[ 327.848049][ T27] worker_thread+0xaa2/0x1270
[ 327.852827][ T27] ? __kthread_parkme+0x162/0x1c0
[ 327.872374][ T27] kthread+0x29d/0x330
[ 327.882484][ T27] ? worker_clr_flags+0x1a0/0x1a0
[ 327.887652][ T27] ? kthread_blkcg+0xd0/0xd0
[ 327.892289][ T27] ret_from_fork+0x1f/0x30
[ 327.913412][ T27]
[ 327.916515][ T27] INFO: task syz.0.17:4433 blocked for more than 143 seconds.
[ 327.937621][ T27] Not tainted syzkaller #0
[ 327.942681][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 327.975623][ T27] task:syz.0.17 state:D stack:24728 pid:4433 ppid:4380 flags:0x00004004
[ 327.995812][ T27] Call Trace:
[ 327.999467][ T27]
[ 328.002447][ T27] __schedule+0x11d1/0x40e0
[ 328.023443][ T27] ? lock_chain_count+0x20/0x20
[ 328.029433][ T27] ? __sched_text_start+0x8/0x8
[ 328.043431][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 328.049414][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 328.063456][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 328.071523][ T27] ? _raw_spin_unlock+0x40/0x40
[ 328.076818][ T27] schedule+0xb9/0x180
[ 328.080950][ T27] bit_wait+0xd/0xc0
[ 328.085270][ T27] __wait_on_bit+0xa8/0x2d0
[ 328.089838][ T27] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 328.096415][ T27] out_of_line_wait_on_bit+0x138/0x190
[ 328.101944][ T27] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 328.108570][ T27] ? __wait_on_bit+0x2d0/0x2d0
[ 328.113893][ T27] ? bit_waitqueue+0x30/0x30
[ 328.118555][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 328.124371][ T27] gfs2_recover_journal+0xd6/0x130
[ 328.129643][ T27] init_journal+0x17fc/0x23e0
[ 328.135286][ T27] ? init_inodes+0xdb/0x320
[ 328.139854][ T27] ? _compound_head+0x120/0x120
[ 328.145887][ T27] ? snprintf+0xe5/0x140
[ 328.150231][ T27] ? init_inodes+0xdb/0x320
[ 328.155687][ T27] ? vscnprintf+0x80/0x80
[ 328.160085][ T27] ? gfs2_glock_nq_num+0x17f/0x1c0
[ 328.165639][ T27] init_inodes+0xdb/0x320
[ 328.170028][ T27] gfs2_fill_super+0x1749/0x1fb0
[ 328.175419][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 328.180502][ T27] ? init_locking+0xb8/0x200
[ 328.185465][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 328.190394][ T27] get_tree_bdev+0x3f1/0x610
[ 328.195425][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 328.200507][ T27] gfs2_get_tree+0x4d/0x1e0
[ 328.205390][ T27] vfs_get_tree+0x88/0x270
[ 328.209875][ T27] do_new_mount+0x24a/0xa40
[ 328.214834][ T27] __se_sys_mount+0x2e3/0x3d0
[ 328.219578][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 328.224742][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 328.230005][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 328.236283][ T27] do_syscall_64+0x4c/0xa0
[ 328.240775][ T27] ? clear_bhb_loop+0x60/0xb0
[ 328.245880][ T27] ? clear_bhb_loop+0x60/0xb0
[ 328.250622][ T27] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 328.256996][ T27] RIP: 0033:0x7f110179e04a
[ 328.261465][ T27] RSP: 002b:00007ffc195393a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 328.270394][ T27] RAX: ffffffffffffffda RBX: 00007ffc19539430 RCX: 00007f110179e04a
[ 328.278747][ T27] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffc195393f0
[ 328.287057][ T27] RBP: 0000200000037f40 R08: 00007ffc19539430 R09: 0000000001010084
[ 328.295400][ T27] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 328.303667][ T27] R13: 00007ffc195393f0 R14: 0000000000037f45 R15: 0000200000000480
[ 328.311790][ T27]
[ 328.315290][ T27]
[ 328.315290][ T27] Showing all locks held in the system:
[ 328.323082][ T27] 1 lock held by rcu_tasks_kthre/12:
[ 328.328984][ T27] #0: ffffffff8cb2df70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 328.341556][ T27] 1 lock held by rcu_tasks_trace/13:
[ 328.347225][ T27] #0: ffffffff8cb2e790 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xf00
[ 328.359662][ T27] 1 lock held by khungtaskd/27:
[ 328.364861][ T27] #0: ffffffff8cb2d5e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 328.375811][ T27] 2 locks held by getty/4028:
[ 328.380541][ T27] #0: ffff888030273098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 328.391065][ T27] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x429/0x1390
[ 328.402631][ T27] 2 locks held by kworker/1:6/4419:
[ 328.409208][ T27] #0: ffff88801ab5e538 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 328.421602][ T27] #1: ffffc90003487d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 328.435360][ T27] 1 lock held by syz.0.17/4433:
[ 328.440965][ T27] #0: ffff888018e9e0e0 (&type->s_umount_key#52/1){+.+.}-{3:3}, at: alloc_super+0x1fa/0x930
[ 328.451439][ T27] 2 locks held by syz.1.246/4694:
[ 328.459197][ T27]
[ 328.461587][ T27] =============================================
[ 328.461587][ T27]
[ 328.470406][ T27] NMI backtrace for cpu 1
[ 328.474785][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 328.482018][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 328.492147][ T27] Call Trace:
[ 328.495484][ T27]
[ 328.498461][ T27] dump_stack_lvl+0x188/0x24e
[ 328.503191][ T27] ? irq_work_queue+0xb8/0x140
[ 328.508011][ T27] ? show_regs_print_info+0x12/0x12
[ 328.513267][ T27] ? load_image+0x400/0x400
[ 328.517816][ T27] ? vprintk_emit+0x59f/0x6a0
[ 328.522553][ T27] ? printk_sprint+0x460/0x460
[ 328.527391][ T27] nmi_cpu_backtrace+0x3e6/0x460
[ 328.532378][ T27] ? nmi_trigger_cpumask_backtrace+0x450/0x450
[ 328.538573][ T27] ? _printk+0xda/0x130
[ 328.542756][ T27] ? load_image+0x400/0x400
[ 328.547292][ T27] ? load_image+0x400/0x400
[ 328.551826][ T27] ? nmi_trigger_cpumask_backtrace+0xf3/0x450
[ 328.557936][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 328.564032][ T27] nmi_trigger_cpumask_backtrace+0x1d4/0x450
[ 328.570049][ T27] watchdog+0xeee/0xf30
[ 328.574249][ T27] ? watchdog+0x1ed/0xf30
[ 328.578611][ T27] kthread+0x29d/0x330
[ 328.582704][ T27] ? hungtask_pm_notify+0x40/0x40
[ 328.587761][ T27] ? kthread_blkcg+0xd0/0xd0
[ 328.592387][ T27] ret_from_fork+0x1f/0x30
[ 328.596873][ T27]
[ 328.600447][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 328.605872][ C0] NMI backtrace for cpu 0
[ 328.605883][ C0] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 328.605902][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 328.605913][ C0] Workqueue: bat_events batadv_nc_worker
[ 328.605939][ C0] RIP: 0010:lock_release+0xc8/0x920
[ 328.605967][ C0] Code: 4e 36 bb 0c 0f 83 3a 05 00 00 41 89 de c1 eb 06 48 8d 3c dd 28 f4 1f 8e be 08 00 00 00 e8 20 c3 6e 00 4c 0f a3 35 20 34 bb 0c <73> 0d e8 c1 af 07 00 84 c0 0f 84 41 05 00 00 48 c7 c0 e4 28 20 8e
[ 328.605984][ C0] RSP: 0018:ffffc900000e7ac0 EFLAGS: 00000257
[ 328.605998][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8164c000
[ 328.606011][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e1ff428
[ 328.606023][ C0] RBP: ffffc900000e7bd0 R08: ffffffff8e1ff42f R09: 1ffffffff1c3fe85
[ 328.606036][ C0] R10: dffffc0000000000 R11: fffffbfff1c3fe86 R12: dffffc0000000000
[ 328.606050][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200001cf64
[ 328.606063][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 328.606079][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 328.606091][ C0] CR2: 00007f6dc6bfe000 CR3: 000000002998b000 CR4: 00000000003506f0
[ 328.606107][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 328.606118][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 328.606130][ C0] Call Trace:
[ 328.606135][ C0]
[ 328.606143][ C0] ? batadv_nc_worker+0xce/0x600
[ 328.606167][ C0] ? __lock_acquire+0x7d10/0x7d10
[ 328.606192][ C0] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 328.606220][ C0] ? batadv_nc_worker+0xce/0x600
[ 328.606242][ C0] batadv_nc_worker+0x28d/0x600
[ 328.606266][ C0] ? process_one_work+0x7b0/0x1160
[ 328.606287][ C0] process_one_work+0x8a2/0x1160
[ 328.606314][ C0] ? worker_detach_from_pool+0x240/0x240
[ 328.606342][ C0] ? _raw_spin_lock_irq+0xb7/0xf0
[ 328.606362][ C0] ? _raw_spin_lock_irqsave+0x100/0x100
[ 328.606382][ C0] ? kthread_data+0x4b/0xc0
[ 328.606428][ C0] worker_thread+0xaa2/0x1270
[ 328.606462][ C0] kthread+0x29d/0x330
[ 328.606478][ C0] ? worker_clr_flags+0x1a0/0x1a0
[ 328.606499][ C0] ? kthread_blkcg+0xd0/0xd0
[ 328.606516][ C0] ret_from_fork+0x1f/0x30
[ 328.606548][ C0]
[ 328.607766][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 328.844146][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 328.851392][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 328.861473][ T27] Call Trace:
[ 328.864792][ T27]
[ 328.867756][ T27] dump_stack_lvl+0x188/0x24e
[ 328.872490][ T27] ? memcpy+0x3c/0x60
[ 328.876509][ T27] ? show_regs_print_info+0x12/0x12
[ 328.881754][ T27] ? load_image+0x400/0x400
[ 328.886303][ T27] panic+0x2e5/0x730
[ 328.890224][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 328.895915][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 328.900450][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 328.906029][ T27] ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[ 328.912251][ T27] ? nmi_trigger_cpumask_backtrace+0x360/0x450
[ 328.918441][ T27] watchdog+0xf2d/0xf30
[ 328.922630][ T27] ? watchdog+0x1ed/0xf30
[ 328.926994][ T27] kthread+0x29d/0x330
[ 328.931169][ T27] ? hungtask_pm_notify+0x40/0x40
[ 328.936227][ T27] ? kthread_blkcg+0xd0/0xd0
[ 328.940839][ T27] ret_from_fork+0x1f/0x30
[ 328.945293][ T27]
[ 328.948917][ T27] Kernel Offset: disabled
[ 328.953258][ T27] Rebooting in 86400 seconds..