43] ? kobject_add+0x230/0x230
[ 225.521831][ T5443] ? __init_swait_queue_head+0xa5/0x150
[ 225.527515][ T5443] gfs2_sys_fs_add+0x24f/0x4b0
[ 225.532590][ T5443] ? gfs2_recover_set+0x240/0x240
[ 225.537622][ T5443] ? snprintf+0xe5/0x140
[ 225.542067][ T5443] ? __free_pages+0x95/0x1a0
[ 225.546741][ T5443] ? vscnprintf+0x80/0x80
[ 225.551074][ T5443] gfs2_fill_super+0x120f/0x1f00
[ 225.556185][ T5443] ? gfs2_reconfigure+0xd30/0xd30
[ 225.561390][ T5443] ? sb_set_blocksize+0xa5/0xe0
[ 225.566225][ T5443] get_tree_bdev+0x3f1/0x610
[ 225.570916][ T5443] ? gfs2_reconfigure+0xd30/0xd30
[ 225.576056][ T5443] gfs2_get_tree+0x4d/0x1e0
[ 225.580566][ T5443] vfs_get_tree+0x88/0x270
[ 225.584976][ T5443] do_new_mount+0x24a/0xa40
[ 225.589570][ T5443] __se_sys_mount+0x2e3/0x3d0
[ 225.594418][ T5443] ? __x64_sys_mount+0xc0/0xc0
[ 225.599348][ T5443] ? lockdep_hardirqs_on+0x94/0x140
[ 225.604557][ T5443] ? __x64_sys_mount+0x1c/0xc0
[ 225.609330][ T5443] do_syscall_64+0x4c/0xa0
[ 225.613842][ T5443] ? clear_bhb_loop+0x30/0x80
[ 225.618783][ T5443] ? clear_bhb_loop+0x30/0x80
[ 225.623743][ T5443] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.630091][ T5443] RIP: 0033:0x7f5d12f8d18a
[ 225.634755][ T5443] 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
[ 225.655042][ T5443] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.663570][ T5443] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 225.671913][ T5443] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 225.680096][ T5443] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 225.688263][ T5443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.696622][ T5443] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 225.705483][ T5443]
[ 225.709368][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.723343][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.017138][ T5445] loop1: detected capacity change from 0 to 32768
[ 226.105267][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.113199][ T5445] CPU: 0 PID: 5445 Comm: syz.1.176 Not tainted syzkaller #0
[ 226.120738][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 226.130902][ T5445] Call Trace:
[ 226.134883][ T5445]
[ 226.137834][ T5445] dump_stack_lvl+0x188/0x250
[ 226.142535][ T5445] ? show_regs_print_info+0x20/0x20
[ 226.147744][ T5445] ? load_image+0x400/0x400
[ 226.152569][ T5445] sysfs_create_dir_ns+0x26a/0x290
[ 226.157706][ T5445] ? sysfs_warn_dup+0xa0/0xa0
[ 226.162551][ T5445] ? do_raw_spin_unlock+0x11d/0x230
[ 226.168492][ T5445] kobject_add_internal+0x6e0/0xd90
[ 226.173970][ T5445] kobject_init_and_add+0x128/0x190
[ 226.179342][ T5445] ? lockdep_softirqs_off+0x430/0x430
[ 226.185070][ T5445] ? kobject_add+0x230/0x230
[ 226.190255][ T5445] ? __init_swait_queue_head+0xa5/0x150
[ 226.196421][ T5445] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.201275][ T5445] ? gfs2_recover_set+0x240/0x240
[ 226.207292][ T5445] ? snprintf+0xe5/0x140
[ 226.211963][ T5445] ? __free_pages+0x95/0x1a0
[ 226.217651][ T5445] ? vscnprintf+0x80/0x80
[ 226.221987][ T5445] gfs2_fill_super+0x120f/0x1f00
[ 226.226923][ T5445] ? gfs2_reconfigure+0xd30/0xd30
[ 226.232606][ T5445] ? sb_set_blocksize+0xa5/0xe0
[ 226.237811][ T5445] get_tree_bdev+0x3f1/0x610
[ 226.242399][ T5445] ? gfs2_reconfigure+0xd30/0xd30
[ 226.247434][ T5445] gfs2_get_tree+0x4d/0x1e0
[ 226.252124][ T5445] vfs_get_tree+0x88/0x270
[ 226.256543][ T5445] do_new_mount+0x24a/0xa40
[ 226.261143][ T5445] __se_sys_mount+0x2e3/0x3d0
[ 226.266968][ T5445] ? __x64_sys_mount+0xc0/0xc0
[ 226.271747][ T5445] ? lockdep_hardirqs_on+0x94/0x140
[ 226.277219][ T5445] ? __x64_sys_mount+0x1c/0xc0
[ 226.282078][ T5445] do_syscall_64+0x4c/0xa0
[ 226.286577][ T5445] ? clear_bhb_loop+0x30/0x80
[ 226.291331][ T5445] ? clear_bhb_loop+0x30/0x80
[ 226.296326][ T5445] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.302713][ T5445] RIP: 0033:0x7f5d12f8d18a
[ 226.307813][ T5445] 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
[ 226.329180][ T5445] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.337938][ T5445] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 226.346101][ T5445] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 226.354159][ T5445] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 226.362332][ T5445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.370475][ T5445] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 226.378906][ T5445]
[ 226.382566][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.396270][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/25 21:29:14 executed programs: 162
[ 226.727537][ T5447] loop1: detected capacity change from 0 to 32768
[ 226.747589][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.755627][ T5447] CPU: 0 PID: 5447 Comm: syz.1.177 Not tainted syzkaller #0
[ 226.763025][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 226.773179][ T5447] Call Trace:
[ 226.776473][ T5447]
[ 226.779448][ T5447] dump_stack_lvl+0x188/0x250
[ 226.784454][ T5447] ? show_regs_print_info+0x20/0x20
[ 226.789870][ T5447] ? load_image+0x400/0x400
[ 226.794497][ T5447] sysfs_create_dir_ns+0x26a/0x290
[ 226.799751][ T5447] ? sysfs_warn_dup+0xa0/0xa0
[ 226.804468][ T5447] ? do_raw_spin_unlock+0x11d/0x230
[ 226.810060][ T5447] kobject_add_internal+0x6e0/0xd90
[ 226.815461][ T5447] kobject_init_and_add+0x128/0x190
[ 226.820690][ T5447] ? lockdep_softirqs_off+0x430/0x430
[ 226.826088][ T5447] ? kobject_add+0x230/0x230
[ 226.830875][ T5447] ? __init_swait_queue_head+0xa5/0x150
[ 226.836418][ T5447] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.841247][ T5447] ? gfs2_recover_set+0x240/0x240
[ 226.846262][ T5447] ? snprintf+0xe5/0x140
[ 226.850688][ T5447] ? __free_pages+0x95/0x1a0
[ 226.855372][ T5447] ? vscnprintf+0x80/0x80
[ 226.860054][ T5447] gfs2_fill_super+0x120f/0x1f00
[ 226.865132][ T5447] ? gfs2_reconfigure+0xd30/0xd30
[ 226.870299][ T5447] ? sb_set_blocksize+0xa5/0xe0
[ 226.875341][ T5447] get_tree_bdev+0x3f1/0x610
[ 226.879934][ T5447] ? gfs2_reconfigure+0xd30/0xd30
[ 226.884957][ T5447] gfs2_get_tree+0x4d/0x1e0
[ 226.889631][ T5447] vfs_get_tree+0x88/0x270
[ 226.894113][ T5447] do_new_mount+0x24a/0xa40
[ 226.898622][ T5447] __se_sys_mount+0x2e3/0x3d0
[ 226.903383][ T5447] ? __x64_sys_mount+0xc0/0xc0
[ 226.908144][ T5447] ? lockdep_hardirqs_on+0x94/0x140
[ 226.913332][ T5447] ? __x64_sys_mount+0x1c/0xc0
[ 226.918389][ T5447] do_syscall_64+0x4c/0xa0
[ 226.922825][ T5447] ? clear_bhb_loop+0x30/0x80
[ 226.927678][ T5447] ? clear_bhb_loop+0x30/0x80
[ 226.932354][ T5447] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.938303][ T5447] RIP: 0033:0x7f5d12f8d18a
[ 226.942836][ T5447] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 226.962760][ T5447] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.971256][ T5447] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 226.979224][ T5447] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 226.987193][ T5447] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 226.995189][ T5447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.003268][ T5447] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 227.012129][ T5447]
[ 227.016206][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.030552][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.121781][ T5061] Bluetooth: hci0: command 0x0406 tx timeout
[ 227.343871][ T5449] loop1: detected capacity change from 0 to 32768
[ 227.392140][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.399569][ T5449] CPU: 0 PID: 5449 Comm: syz.1.178 Not tainted syzkaller #0
[ 227.407226][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 227.417656][ T5449] Call Trace:
[ 227.421311][ T5449]
[ 227.424255][ T5449] dump_stack_lvl+0x188/0x250
[ 227.428957][ T5449] ? show_regs_print_info+0x20/0x20
[ 227.434179][ T5449] ? load_image+0x400/0x400
[ 227.438711][ T5449] sysfs_create_dir_ns+0x26a/0x290
[ 227.443920][ T5449] ? sysfs_warn_dup+0xa0/0xa0
[ 227.448711][ T5449] ? do_raw_spin_unlock+0x11d/0x230
[ 227.453964][ T5449] kobject_add_internal+0x6e0/0xd90
[ 227.459487][ T5449] kobject_init_and_add+0x128/0x190
[ 227.465984][ T5449] ? lockdep_softirqs_off+0x430/0x430
[ 227.471740][ T5449] ? kobject_add+0x230/0x230
[ 227.476793][ T5449] ? __init_swait_queue_head+0xa5/0x150
[ 227.482422][ T5449] gfs2_sys_fs_add+0x24f/0x4b0
[ 227.487359][ T5449] ? gfs2_recover_set+0x240/0x240
[ 227.492401][ T5449] ? snprintf+0xe5/0x140
[ 227.496632][ T5449] ? __free_pages+0x95/0x1a0
[ 227.501230][ T5449] ? vscnprintf+0x80/0x80
[ 227.505564][ T5449] gfs2_fill_super+0x120f/0x1f00
[ 227.510626][ T5449] ? gfs2_reconfigure+0xd30/0xd30
[ 227.515857][ T5449] ? sb_set_blocksize+0xa5/0xe0
[ 227.520806][ T5449] get_tree_bdev+0x3f1/0x610
[ 227.525505][ T5449] ? gfs2_reconfigure+0xd30/0xd30
[ 227.530654][ T5449] gfs2_get_tree+0x4d/0x1e0
[ 227.535270][ T5449] vfs_get_tree+0x88/0x270
[ 227.540304][ T5449] do_new_mount+0x24a/0xa40
[ 227.544981][ T5449] __se_sys_mount+0x2e3/0x3d0
[ 227.550025][ T5449] ? __x64_sys_mount+0xc0/0xc0
[ 227.555577][ T5449] ? lockdep_hardirqs_on+0x94/0x140
[ 227.560868][ T5449] ? __x64_sys_mount+0x1c/0xc0
[ 227.565783][ T5449] do_syscall_64+0x4c/0xa0
[ 227.570655][ T5449] ? clear_bhb_loop+0x30/0x80
[ 227.575780][ T5449] ? clear_bhb_loop+0x30/0x80
[ 227.580477][ T5449] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.589353][ T5449] RIP: 0033:0x7f5d12f8d18a
[ 227.593900][ T5449] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 227.616428][ T5449] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.624867][ T5449] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 227.633868][ T5449] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 227.641938][ T5449] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 227.650229][ T5449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.658310][ T5449] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 227.666767][ T5449]
[ 227.670463][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.684646][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.994665][ T5451] loop1: detected capacity change from 0 to 32768
[ 228.040463][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.048655][ T5451] CPU: 1 PID: 5451 Comm: syz.1.179 Not tainted syzkaller #0
[ 228.056580][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 228.067843][ T5451] Call Trace:
[ 228.071399][ T5451]
[ 228.074335][ T5451] dump_stack_lvl+0x188/0x250
[ 228.080251][ T5451] ? show_regs_print_info+0x20/0x20
[ 228.086088][ T5451] ? load_image+0x400/0x400
[ 228.090713][ T5451] sysfs_create_dir_ns+0x26a/0x290
[ 228.096015][ T5451] ? sysfs_warn_dup+0xa0/0xa0
[ 228.101023][ T5451] ? do_raw_spin_unlock+0x11d/0x230
[ 228.106430][ T5451] kobject_add_internal+0x6e0/0xd90
[ 228.111930][ T5451] kobject_init_and_add+0x128/0x190
[ 228.117238][ T5451] ? lockdep_softirqs_off+0x430/0x430
[ 228.122997][ T5451] ? kobject_add+0x230/0x230
[ 228.127784][ T5451] ? __init_swait_queue_head+0xa5/0x150
[ 228.133441][ T5451] gfs2_sys_fs_add+0x24f/0x4b0
[ 228.138272][ T5451] ? gfs2_recover_set+0x240/0x240
[ 228.143299][ T5451] ? snprintf+0xe5/0x140
[ 228.147716][ T5451] ? __free_pages+0x95/0x1a0
[ 228.152309][ T5451] ? vscnprintf+0x80/0x80
[ 228.156917][ T5451] gfs2_fill_super+0x120f/0x1f00
[ 228.162066][ T5451] ? gfs2_reconfigure+0xd30/0xd30
[ 228.167241][ T5451] ? sb_set_blocksize+0xa5/0xe0
[ 228.173628][ T5451] get_tree_bdev+0x3f1/0x610
[ 228.178590][ T5451] ? gfs2_reconfigure+0xd30/0xd30
[ 228.183878][ T5451] gfs2_get_tree+0x4d/0x1e0
[ 228.188485][ T5451] vfs_get_tree+0x88/0x270
[ 228.193162][ T5451] do_new_mount+0x24a/0xa40
[ 228.197849][ T5451] __se_sys_mount+0x2e3/0x3d0
[ 228.202790][ T5451] ? __x64_sys_mount+0xc0/0xc0
[ 228.207672][ T5451] ? lockdep_hardirqs_on+0x94/0x140
[ 228.213626][ T5451] ? __x64_sys_mount+0x1c/0xc0
[ 228.218908][ T5451] do_syscall_64+0x4c/0xa0
[ 228.223330][ T5451] ? clear_bhb_loop+0x30/0x80
[ 228.228529][ T5451] ? clear_bhb_loop+0x30/0x80
[ 228.233370][ T5451] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.239521][ T5451] RIP: 0033:0x7f5d12f8d18a
[ 228.244021][ T5451] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 228.264249][ T5451] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.272753][ T5451] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 228.280987][ T5451] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 228.289235][ T5451] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 228.297435][ T5451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.305790][ T5451] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 228.314039][ T5451]
[ 228.318702][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.333060][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.645681][ T5453] loop1: detected capacity change from 0 to 32768
[ 228.711055][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.719959][ T5453] CPU: 0 PID: 5453 Comm: syz.1.180 Not tainted syzkaller #0
[ 228.727922][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 228.739330][ T5453] Call Trace:
[ 228.743790][ T5453]
[ 228.748516][ T5453] dump_stack_lvl+0x188/0x250
[ 228.754118][ T5453] ? show_regs_print_info+0x20/0x20
[ 228.759508][ T5453] ? load_image+0x400/0x400
[ 228.764192][ T5453] sysfs_create_dir_ns+0x26a/0x290
[ 228.769591][ T5453] ? sysfs_warn_dup+0xa0/0xa0
[ 228.774395][ T5453] ? do_raw_spin_unlock+0x11d/0x230
[ 228.779792][ T5453] kobject_add_internal+0x6e0/0xd90
[ 228.785468][ T5453] kobject_init_and_add+0x128/0x190
[ 228.790776][ T5453] ? lockdep_softirqs_off+0x430/0x430
[ 228.796335][ T5453] ? kobject_add+0x230/0x230
[ 228.801021][ T5453] ? __init_swait_queue_head+0xa5/0x150
[ 228.806827][ T5453] gfs2_sys_fs_add+0x24f/0x4b0
[ 228.812167][ T5453] ? gfs2_recover_set+0x240/0x240
[ 228.817420][ T5453] ? snprintf+0xe5/0x140
[ 228.821685][ T5453] ? __free_pages+0x95/0x1a0
[ 228.826481][ T5453] ? vscnprintf+0x80/0x80
[ 228.831015][ T5453] gfs2_fill_super+0x120f/0x1f00
[ 228.836084][ T5453] ? gfs2_reconfigure+0xd30/0xd30
[ 228.841986][ T5453] ? sb_set_blocksize+0xa5/0xe0
[ 228.846937][ T5453] get_tree_bdev+0x3f1/0x610
[ 228.852112][ T5453] ? gfs2_reconfigure+0xd30/0xd30
[ 228.857136][ T5453] gfs2_get_tree+0x4d/0x1e0
[ 228.861630][ T5453] vfs_get_tree+0x88/0x270
[ 228.866152][ T5453] do_new_mount+0x24a/0xa40
[ 228.870741][ T5453] __se_sys_mount+0x2e3/0x3d0
[ 228.875416][ T5453] ? __x64_sys_mount+0xc0/0xc0
[ 228.880257][ T5453] ? lockdep_hardirqs_on+0x94/0x140
[ 228.885450][ T5453] ? __x64_sys_mount+0x1c/0xc0
[ 228.890298][ T5453] do_syscall_64+0x4c/0xa0
[ 228.895035][ T5453] ? clear_bhb_loop+0x30/0x80
[ 228.899728][ T5453] ? clear_bhb_loop+0x30/0x80
[ 228.904396][ T5453] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.910555][ T5453] RIP: 0033:0x7f5d12f8d18a
[ 228.915168][ T5453] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 228.935512][ T5453] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.944031][ T5453] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 228.953212][ T5453] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 228.961358][ T5453] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 228.969341][ T5453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.977519][ T5453] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 228.985847][ T5453]
[ 228.989814][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.004075][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.312793][ T5455] loop1: detected capacity change from 0 to 32768
[ 229.371558][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.379577][ T5455] CPU: 1 PID: 5455 Comm: syz.1.181 Not tainted syzkaller #0
[ 229.386880][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 229.397392][ T5455] Call Trace:
[ 229.400691][ T5455]
[ 229.404345][ T5455] dump_stack_lvl+0x188/0x250
[ 229.409573][ T5455] ? show_regs_print_info+0x20/0x20
[ 229.415242][ T5455] ? load_image+0x400/0x400
[ 229.420125][ T5455] sysfs_create_dir_ns+0x26a/0x290
[ 229.425605][ T5455] ? sysfs_warn_dup+0xa0/0xa0
[ 229.430615][ T5455] ? do_raw_spin_unlock+0x11d/0x230
[ 229.435842][ T5455] kobject_add_internal+0x6e0/0xd90
[ 229.441473][ T5455] kobject_init_and_add+0x128/0x190
[ 229.446976][ T5455] ? lockdep_softirqs_off+0x430/0x430
[ 229.452904][ T5455] ? kobject_add+0x230/0x230
[ 229.457679][ T5455] ? __init_swait_queue_head+0xa5/0x150
[ 229.463818][ T5455] gfs2_sys_fs_add+0x24f/0x4b0
[ 229.469239][ T5455] ? gfs2_recover_set+0x240/0x240
[ 229.474809][ T5455] ? snprintf+0xe5/0x140
[ 229.480303][ T5455] ? __free_pages+0x95/0x1a0
[ 229.485553][ T5455] ? vscnprintf+0x80/0x80
[ 229.490604][ T5455] gfs2_fill_super+0x120f/0x1f00
[ 229.496235][ T5455] ? gfs2_reconfigure+0xd30/0xd30
[ 229.501626][ T5455] ? sb_set_blocksize+0xa5/0xe0
[ 229.506637][ T5455] get_tree_bdev+0x3f1/0x610
[ 229.511329][ T5455] ? gfs2_reconfigure+0xd30/0xd30
[ 229.516536][ T5455] gfs2_get_tree+0x4d/0x1e0
[ 229.521137][ T5455] vfs_get_tree+0x88/0x270
[ 229.525560][ T5455] do_new_mount+0x24a/0xa40
[ 229.530166][ T5455] __se_sys_mount+0x2e3/0x3d0
[ 229.535045][ T5455] ? __x64_sys_mount+0xc0/0xc0
[ 229.539994][ T5455] ? lockdep_hardirqs_on+0x94/0x140
[ 229.545707][ T5455] ? __x64_sys_mount+0x1c/0xc0
[ 229.550635][ T5455] do_syscall_64+0x4c/0xa0
[ 229.555306][ T5455] ? clear_bhb_loop+0x30/0x80
[ 229.560143][ T5455] ? clear_bhb_loop+0x30/0x80
[ 229.565000][ T5455] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.571134][ T5455] RIP: 0033:0x7f5d12f8d18a
[ 229.575775][ T5455] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 229.597279][ T5455] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.605924][ T5455] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 229.614159][ T5455] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 229.622983][ T5455] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 229.631163][ T5455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.639407][ T5455] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 229.647517][ T5455]
[ 229.652513][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.666166][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.975306][ T5457] loop1: detected capacity change from 0 to 32768
[ 230.040596][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.048268][ T5457] CPU: 0 PID: 5457 Comm: syz.1.182 Not tainted syzkaller #0
[ 230.055662][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 230.065729][ T5457] Call Trace:
[ 230.069123][ T5457]
[ 230.072144][ T5457] dump_stack_lvl+0x188/0x250
[ 230.076864][ T5457] ? show_regs_print_info+0x20/0x20
[ 230.082608][ T5457] ? load_image+0x400/0x400
[ 230.087143][ T5457] sysfs_create_dir_ns+0x26a/0x290
[ 230.092627][ T5457] ? sysfs_warn_dup+0xa0/0xa0
[ 230.097415][ T5457] ? do_raw_spin_unlock+0x11d/0x230
[ 230.102860][ T5457] kobject_add_internal+0x6e0/0xd90
[ 230.108442][ T5457] kobject_init_and_add+0x128/0x190
[ 230.113664][ T5457] ? lockdep_softirqs_off+0x430/0x430
[ 230.119255][ T5457] ? kobject_add+0x230/0x230
[ 230.123851][ T5457] ? __init_swait_queue_head+0xa5/0x150
[ 230.129847][ T5457] gfs2_sys_fs_add+0x24f/0x4b0
[ 230.134610][ T5457] ? gfs2_recover_set+0x240/0x240
[ 230.139621][ T5457] ? snprintf+0xe5/0x140
[ 230.143949][ T5457] ? __free_pages+0x95/0x1a0
[ 230.148567][ T5457] ? vscnprintf+0x80/0x80
[ 230.153011][ T5457] gfs2_fill_super+0x120f/0x1f00
[ 230.157969][ T5457] ? gfs2_reconfigure+0xd30/0xd30
[ 230.163339][ T5457] ? sb_set_blocksize+0xa5/0xe0
[ 230.168474][ T5457] get_tree_bdev+0x3f1/0x610
[ 230.173188][ T5457] ? gfs2_reconfigure+0xd30/0xd30
[ 230.178229][ T5457] gfs2_get_tree+0x4d/0x1e0
[ 230.182852][ T5457] vfs_get_tree+0x88/0x270
[ 230.187535][ T5457] do_new_mount+0x24a/0xa40
[ 230.192047][ T5457] __se_sys_mount+0x2e3/0x3d0
[ 230.196727][ T5457] ? __x64_sys_mount+0xc0/0xc0
[ 230.201545][ T5457] ? lockdep_hardirqs_on+0x94/0x140
[ 230.206925][ T5457] ? __x64_sys_mount+0x1c/0xc0
[ 230.211784][ T5457] do_syscall_64+0x4c/0xa0
[ 230.216262][ T5457] ? clear_bhb_loop+0x30/0x80
[ 230.221053][ T5457] ? clear_bhb_loop+0x30/0x80
[ 230.225927][ T5457] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.232215][ T5457] RIP: 0033:0x7f5d12f8d18a
[ 230.236655][ T5457] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 230.256512][ T5457] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.265279][ T5457] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 230.273249][ T5457] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 230.281220][ T5457] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 230.289192][ T5457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.297414][ T5457] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 230.305590][ T5457]
[ 230.312179][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.326038][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.617203][ T5459] loop1: detected capacity change from 0 to 32768
[ 230.706301][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.713981][ T5459] CPU: 1 PID: 5459 Comm: syz.1.183 Not tainted syzkaller #0
[ 230.721635][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 230.732888][ T5459] Call Trace:
[ 230.736285][ T5459]
[ 230.739421][ T5459] dump_stack_lvl+0x188/0x250
[ 230.744211][ T5459] ? show_regs_print_info+0x20/0x20
[ 230.749525][ T5459] ? load_image+0x400/0x400
[ 230.754070][ T5459] sysfs_create_dir_ns+0x26a/0x290
[ 230.759291][ T5459] ? sysfs_warn_dup+0xa0/0xa0
[ 230.764273][ T5459] ? do_raw_spin_unlock+0x11d/0x230
[ 230.769576][ T5459] kobject_add_internal+0x6e0/0xd90
[ 230.774814][ T5459] kobject_init_and_add+0x128/0x190
[ 230.780199][ T5459] ? lockdep_softirqs_off+0x430/0x430
[ 230.785799][ T5459] ? kobject_add+0x230/0x230
[ 230.790787][ T5459] ? __init_swait_queue_head+0xa5/0x150
[ 230.796333][ T5459] gfs2_sys_fs_add+0x24f/0x4b0
[ 230.801374][ T5459] ? gfs2_recover_set+0x240/0x240
[ 230.806502][ T5459] ? snprintf+0xe5/0x140
[ 230.811022][ T5459] ? __free_pages+0x95/0x1a0
[ 230.815976][ T5459] ? vscnprintf+0x80/0x80
[ 230.820364][ T5459] gfs2_fill_super+0x120f/0x1f00
[ 230.825302][ T5459] ? gfs2_reconfigure+0xd30/0xd30
[ 230.830458][ T5459] ? sb_set_blocksize+0xa5/0xe0
[ 230.835327][ T5459] get_tree_bdev+0x3f1/0x610
[ 230.840060][ T5459] ? gfs2_reconfigure+0xd30/0xd30
[ 230.845269][ T5459] gfs2_get_tree+0x4d/0x1e0
[ 230.850021][ T5459] vfs_get_tree+0x88/0x270
[ 230.854458][ T5459] do_new_mount+0x24a/0xa40
[ 230.859051][ T5459] __se_sys_mount+0x2e3/0x3d0
[ 230.863754][ T5459] ? __x64_sys_mount+0xc0/0xc0
[ 230.868527][ T5459] ? lockdep_hardirqs_on+0x94/0x140
[ 230.873717][ T5459] ? __x64_sys_mount+0x1c/0xc0
[ 230.878483][ T5459] do_syscall_64+0x4c/0xa0
[ 230.882902][ T5459] ? clear_bhb_loop+0x30/0x80
[ 230.887573][ T5459] ? clear_bhb_loop+0x30/0x80
[ 230.892250][ T5459] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.898157][ T5459] RIP: 0033:0x7f5d12f8d18a
[ 230.902621][ T5459] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 230.922420][ T5459] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.931098][ T5459] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 230.939166][ T5459] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 230.947698][ T5459] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 230.955770][ T5459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.963830][ T5459] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 230.972501][ T5459]
[ 230.982145][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.997314][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.308800][ T5461] loop1: detected capacity change from 0 to 32768
[ 231.374421][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.381985][ T5461] CPU: 1 PID: 5461 Comm: syz.1.184 Not tainted syzkaller #0
[ 231.389815][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 231.400123][ T5461] Call Trace:
[ 231.403510][ T5461]
[ 231.406975][ T5461] dump_stack_lvl+0x188/0x250
[ 231.412382][ T5461] ? show_regs_print_info+0x20/0x20
[ 231.418282][ T5461] ? load_image+0x400/0x400
[ 231.423187][ T5461] sysfs_create_dir_ns+0x26a/0x290
[ 231.428501][ T5461] ? sysfs_warn_dup+0xa0/0xa0
[ 231.433418][ T5461] ? do_raw_spin_unlock+0x11d/0x230
[ 231.438740][ T5461] kobject_add_internal+0x6e0/0xd90
[ 231.444157][ T5461] kobject_init_and_add+0x128/0x190
[ 231.449568][ T5461] ? lockdep_softirqs_off+0x430/0x430
[ 231.455229][ T5461] ? kobject_add+0x230/0x230
[ 231.460028][ T5461] ? __init_swait_queue_head+0xa5/0x150
[ 231.465699][ T5461] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.470855][ T5461] ? gfs2_recover_set+0x240/0x240
[ 231.476579][ T5461] ? snprintf+0xe5/0x140
[ 231.480829][ T5461] ? __free_pages+0x95/0x1a0
[ 231.485505][ T5461] ? vscnprintf+0x80/0x80
[ 231.490315][ T5461] gfs2_fill_super+0x120f/0x1f00
[ 231.495262][ T5461] ? gfs2_reconfigure+0xd30/0xd30
[ 231.500311][ T5461] ? sb_set_blocksize+0xa5/0xe0
[ 231.505184][ T5461] get_tree_bdev+0x3f1/0x610
[ 231.510061][ T5461] ? gfs2_reconfigure+0xd30/0xd30
[ 231.515190][ T5461] gfs2_get_tree+0x4d/0x1e0
[ 231.520176][ T5461] vfs_get_tree+0x88/0x270
[ 231.525171][ T5461] do_new_mount+0x24a/0xa40
[ 231.529778][ T5461] __se_sys_mount+0x2e3/0x3d0
[ 231.534826][ T5461] ? __x64_sys_mount+0xc0/0xc0
[ 231.539844][ T5461] ? lockdep_hardirqs_on+0x94/0x140
[ 231.545224][ T5461] ? __x64_sys_mount+0x1c/0xc0
[ 231.550334][ T5461] do_syscall_64+0x4c/0xa0
[ 231.554756][ T5461] ? clear_bhb_loop+0x30/0x80
[ 231.559799][ T5461] ? clear_bhb_loop+0x30/0x80
[ 231.564529][ T5461] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.570750][ T5461] RIP: 0033:0x7f5d12f8d18a
[ 231.575197][ T5461] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 231.595849][ T5461] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.605333][ T5461] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 231.617065][ T5461] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 231.625959][ T5461] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 231.635800][ T5461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.644602][ T5461] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 231.653222][ T5461]
[ 231.657918][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.673294][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/25 21:29:20 executed programs: 170
[ 231.975838][ T5463] loop1: detected capacity change from 0 to 32768
[ 232.021408][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.029168][ T5463] CPU: 1 PID: 5463 Comm: syz.1.185 Not tainted syzkaller #0
[ 232.036864][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 232.047116][ T5463] Call Trace:
[ 232.050408][ T5463]
[ 232.053683][ T5463] dump_stack_lvl+0x188/0x250
[ 232.058385][ T5463] ? show_regs_print_info+0x20/0x20
[ 232.064265][ T5463] ? load_image+0x400/0x400
[ 232.068801][ T5463] sysfs_create_dir_ns+0x26a/0x290
[ 232.074283][ T5463] ? sysfs_warn_dup+0xa0/0xa0
[ 232.079258][ T5463] ? do_raw_spin_unlock+0x11d/0x230
[ 232.085330][ T5463] kobject_add_internal+0x6e0/0xd90
[ 232.090911][ T5463] kobject_init_and_add+0x128/0x190
[ 232.096440][ T5463] ? lockdep_softirqs_off+0x430/0x430
[ 232.102138][ T5463] ? kobject_add+0x230/0x230
[ 232.106935][ T5463] ? __init_swait_queue_head+0xa5/0x150
[ 232.112526][ T5463] gfs2_sys_fs_add+0x24f/0x4b0
[ 232.117342][ T5463] ? gfs2_recover_set+0x240/0x240
[ 232.122455][ T5463] ? snprintf+0xe5/0x140
[ 232.126715][ T5463] ? __free_pages+0x95/0x1a0
[ 232.131569][ T5463] ? vscnprintf+0x80/0x80
[ 232.136004][ T5463] gfs2_fill_super+0x120f/0x1f00
[ 232.141060][ T5463] ? gfs2_reconfigure+0xd30/0xd30
[ 232.146178][ T5463] ? sb_set_blocksize+0xa5/0xe0
[ 232.151428][ T5463] get_tree_bdev+0x3f1/0x610
[ 232.156671][ T5463] ? gfs2_reconfigure+0xd30/0xd30
[ 232.161694][ T5463] gfs2_get_tree+0x4d/0x1e0
[ 232.166407][ T5463] vfs_get_tree+0x88/0x270
[ 232.171126][ T5463] do_new_mount+0x24a/0xa40
[ 232.175963][ T5463] __se_sys_mount+0x2e3/0x3d0
[ 232.181276][ T5463] ? __x64_sys_mount+0xc0/0xc0
[ 232.186241][ T5463] ? lockdep_hardirqs_on+0x94/0x140
[ 232.191711][ T5463] ? __x64_sys_mount+0x1c/0xc0
[ 232.196871][ T5463] do_syscall_64+0x4c/0xa0
[ 232.201781][ T5463] ? clear_bhb_loop+0x30/0x80
[ 232.206649][ T5463] ? clear_bhb_loop+0x30/0x80
[ 232.212159][ T5463] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.218197][ T5463] RIP: 0033:0x7f5d12f8d18a
[ 232.222613][ T5463] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 232.242726][ T5463] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.251151][ T5463] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 232.259128][ T5463] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 232.267298][ T5463] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 232.275399][ T5463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.283386][ T5463] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 232.291552][ T5463]
[ 232.296536][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.310442][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.622742][ T5465] loop1: detected capacity change from 0 to 32768
[ 232.690716][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.699111][ T5465] CPU: 0 PID: 5465 Comm: syz.1.186 Not tainted syzkaller #0
[ 232.706521][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 232.717883][ T5465] Call Trace:
[ 232.721344][ T5465]
[ 232.724284][ T5465] dump_stack_lvl+0x188/0x250
[ 232.729678][ T5465] ? show_regs_print_info+0x20/0x20
[ 232.735236][ T5465] ? load_image+0x400/0x400
[ 232.739949][ T5465] sysfs_create_dir_ns+0x26a/0x290
[ 232.745083][ T5465] ? sysfs_warn_dup+0xa0/0xa0
[ 232.749796][ T5465] ? do_raw_spin_unlock+0x11d/0x230
[ 232.755034][ T5465] kobject_add_internal+0x6e0/0xd90
[ 232.760338][ T5465] kobject_init_and_add+0x128/0x190
[ 232.765544][ T5465] ? lockdep_softirqs_off+0x430/0x430
[ 232.771023][ T5465] ? kobject_add+0x230/0x230
[ 232.776372][ T5465] ? __init_swait_queue_head+0xa5/0x150
[ 232.782291][ T5465] gfs2_sys_fs_add+0x24f/0x4b0
[ 232.787168][ T5465] ? gfs2_recover_set+0x240/0x240
[ 232.792811][ T5465] ? snprintf+0xe5/0x140
[ 232.797134][ T5465] ? __free_pages+0x95/0x1a0
[ 232.801759][ T5465] ? vscnprintf+0x80/0x80
[ 232.806202][ T5465] gfs2_fill_super+0x120f/0x1f00
[ 232.811154][ T5465] ? gfs2_reconfigure+0xd30/0xd30
[ 232.816206][ T5465] ? sb_set_blocksize+0xa5/0xe0
[ 232.821052][ T5465] get_tree_bdev+0x3f1/0x610
[ 232.825646][ T5465] ? gfs2_reconfigure+0xd30/0xd30
[ 232.830675][ T5465] gfs2_get_tree+0x4d/0x1e0
[ 232.835183][ T5465] vfs_get_tree+0x88/0x270
[ 232.839810][ T5465] do_new_mount+0x24a/0xa40
[ 232.844495][ T5465] __se_sys_mount+0x2e3/0x3d0
[ 232.849260][ T5465] ? __x64_sys_mount+0xc0/0xc0
[ 232.854112][ T5465] ? lockdep_hardirqs_on+0x94/0x140
[ 232.859318][ T5465] ? __x64_sys_mount+0x1c/0xc0
[ 232.864074][ T5465] do_syscall_64+0x4c/0xa0
[ 232.868484][ T5465] ? clear_bhb_loop+0x30/0x80
[ 232.873151][ T5465] ? clear_bhb_loop+0x30/0x80
[ 232.877821][ T5465] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.883712][ T5465] RIP: 0033:0x7f5d12f8d18a
[ 232.888118][ T5465] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 232.908499][ T5465] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.917277][ T5465] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 232.925341][ T5465] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 232.933688][ T5465] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 232.941747][ T5465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.949827][ T5465] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 232.957892][ T5465]
[ 232.961696][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.975725][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.260240][ T5467] loop1: detected capacity change from 0 to 32768
[ 233.306215][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.320662][ T5467] CPU: 1 PID: 5467 Comm: syz.1.187 Not tainted syzkaller #0
[ 233.328090][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 233.338519][ T5467] Call Trace:
[ 233.342052][ T5467]
[ 233.344995][ T5467] dump_stack_lvl+0x188/0x250
[ 233.349794][ T5467] ? show_regs_print_info+0x20/0x20
[ 233.355192][ T5467] ? load_image+0x400/0x400
[ 233.359720][ T5467] sysfs_create_dir_ns+0x26a/0x290
[ 233.364856][ T5467] ? sysfs_warn_dup+0xa0/0xa0
[ 233.369565][ T5467] ? do_raw_spin_unlock+0x11d/0x230
[ 233.374968][ T5467] kobject_add_internal+0x6e0/0xd90
[ 233.380378][ T5467] kobject_init_and_add+0x128/0x190
[ 233.385781][ T5467] ? lockdep_softirqs_off+0x430/0x430
[ 233.391350][ T5467] ? kobject_add+0x230/0x230
[ 233.396184][ T5467] ? __init_swait_queue_head+0xa5/0x150
[ 233.402292][ T5467] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.407362][ T5467] ? gfs2_recover_set+0x240/0x240
[ 233.412381][ T5467] ? snprintf+0xe5/0x140
[ 233.417027][ T5467] ? __free_pages+0x95/0x1a0
[ 233.421729][ T5467] ? vscnprintf+0x80/0x80
[ 233.426161][ T5467] gfs2_fill_super+0x120f/0x1f00
[ 233.431263][ T5467] ? gfs2_reconfigure+0xd30/0xd30
[ 233.436282][ T5467] ? sb_set_blocksize+0xa5/0xe0
[ 233.441136][ T5467] get_tree_bdev+0x3f1/0x610
[ 233.445722][ T5467] ? gfs2_reconfigure+0xd30/0xd30
[ 233.451075][ T5467] gfs2_get_tree+0x4d/0x1e0
[ 233.455608][ T5467] vfs_get_tree+0x88/0x270
[ 233.460367][ T5467] do_new_mount+0x24a/0xa40
[ 233.464875][ T5467] __se_sys_mount+0x2e3/0x3d0
[ 233.469544][ T5467] ? __x64_sys_mount+0xc0/0xc0
[ 233.474456][ T5467] ? lockdep_hardirqs_on+0x94/0x140
[ 233.479675][ T5467] ? __x64_sys_mount+0x1c/0xc0
[ 233.484631][ T5467] do_syscall_64+0x4c/0xa0
[ 233.489318][ T5467] ? clear_bhb_loop+0x30/0x80
[ 233.494283][ T5467] ? clear_bhb_loop+0x30/0x80
[ 233.499043][ T5467] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.505056][ T5467] RIP: 0033:0x7f5d12f8d18a
[ 233.509656][ T5467] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 233.529342][ T5467] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.537943][ T5467] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 233.546094][ T5467] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 233.554254][ T5467] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 233.562234][ T5467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.572552][ T5467] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 233.581293][ T5467]
[ 233.588740][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.602989][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.888349][ T5469] loop1: detected capacity change from 0 to 32768
[ 233.951373][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.959524][ T5469] CPU: 0 PID: 5469 Comm: syz.1.188 Not tainted syzkaller #0
[ 233.966925][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 233.977272][ T5469] Call Trace:
[ 233.980557][ T5469]
[ 233.983490][ T5469] dump_stack_lvl+0x188/0x250
[ 233.988293][ T5469] ? show_regs_print_info+0x20/0x20
[ 233.993520][ T5469] ? load_image+0x400/0x400
[ 233.998046][ T5469] sysfs_create_dir_ns+0x26a/0x290
[ 234.003173][ T5469] ? sysfs_warn_dup+0xa0/0xa0
[ 234.008041][ T5469] ? do_raw_spin_unlock+0x11d/0x230
[ 234.013517][ T5469] kobject_add_internal+0x6e0/0xd90
[ 234.020193][ T5469] kobject_init_and_add+0x128/0x190
[ 234.025505][ T5469] ? lockdep_softirqs_off+0x430/0x430
[ 234.031440][ T5469] ? kobject_add+0x230/0x230
[ 234.036055][ T5469] ? __init_swait_queue_head+0xa5/0x150
[ 234.041798][ T5469] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.046656][ T5469] ? gfs2_recover_set+0x240/0x240
[ 234.051868][ T5469] ? snprintf+0xe5/0x140
[ 234.056109][ T5469] ? __free_pages+0x95/0x1a0
[ 234.060691][ T5469] ? vscnprintf+0x80/0x80
[ 234.065086][ T5469] gfs2_fill_super+0x120f/0x1f00
[ 234.070332][ T5469] ? gfs2_reconfigure+0xd30/0xd30
[ 234.075468][ T5469] ? sb_set_blocksize+0xa5/0xe0
[ 234.080605][ T5469] get_tree_bdev+0x3f1/0x610
[ 234.085626][ T5469] ? gfs2_reconfigure+0xd30/0xd30
[ 234.090750][ T5469] gfs2_get_tree+0x4d/0x1e0
[ 234.095356][ T5469] vfs_get_tree+0x88/0x270
[ 234.099900][ T5469] do_new_mount+0x24a/0xa40
[ 234.104735][ T5469] __se_sys_mount+0x2e3/0x3d0
[ 234.109613][ T5469] ? __x64_sys_mount+0xc0/0xc0
[ 234.114406][ T5469] ? lockdep_hardirqs_on+0x94/0x140
[ 234.119812][ T5469] ? __x64_sys_mount+0x1c/0xc0
[ 234.124795][ T5469] do_syscall_64+0x4c/0xa0
[ 234.129379][ T5469] ? clear_bhb_loop+0x30/0x80
[ 234.134123][ T5469] ? clear_bhb_loop+0x30/0x80
[ 234.138899][ T5469] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.144816][ T5469] RIP: 0033:0x7f5d12f8d18a
[ 234.149434][ T5469] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 234.169585][ T5469] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.178391][ T5469] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 234.186371][ T5469] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 234.194782][ T5469] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 234.203264][ T5469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.211853][ T5469] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 234.220586][ T5469]
[ 234.224430][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.237807][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.550512][ T5471] loop1: detected capacity change from 0 to 32768
[ 234.647968][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.656489][ T5471] CPU: 1 PID: 5471 Comm: syz.1.189 Not tainted syzkaller #0
[ 234.663886][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 234.674322][ T5471] Call Trace:
[ 234.677715][ T5471]
[ 234.680764][ T5471] dump_stack_lvl+0x188/0x250
[ 234.685838][ T5471] ? show_regs_print_info+0x20/0x20
[ 234.691090][ T5471] ? load_image+0x400/0x400
[ 234.695619][ T5471] sysfs_create_dir_ns+0x26a/0x290
[ 234.700913][ T5471] ? sysfs_warn_dup+0xa0/0xa0
[ 234.705585][ T5471] ? do_raw_spin_unlock+0x11d/0x230
[ 234.711185][ T5471] kobject_add_internal+0x6e0/0xd90
[ 234.716530][ T5471] kobject_init_and_add+0x128/0x190
[ 234.721806][ T5471] ? lockdep_softirqs_off+0x430/0x430
[ 234.727276][ T5471] ? kobject_add+0x230/0x230
[ 234.732116][ T5471] ? __init_swait_queue_head+0xa5/0x150
[ 234.737797][ T5471] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.742654][ T5471] ? gfs2_recover_set+0x240/0x240
[ 234.747761][ T5471] ? snprintf+0xe5/0x140
[ 234.752087][ T5471] ? __free_pages+0x95/0x1a0
[ 234.756685][ T5471] ? vscnprintf+0x80/0x80
[ 234.761094][ T5471] gfs2_fill_super+0x120f/0x1f00
[ 234.766040][ T5471] ? gfs2_reconfigure+0xd30/0xd30
[ 234.771226][ T5471] ? sb_set_blocksize+0xa5/0xe0
[ 234.776492][ T5471] get_tree_bdev+0x3f1/0x610
[ 234.781259][ T5471] ? gfs2_reconfigure+0xd30/0xd30
[ 234.786990][ T5471] gfs2_get_tree+0x4d/0x1e0
[ 234.791505][ T5471] vfs_get_tree+0x88/0x270
[ 234.795934][ T5471] do_new_mount+0x24a/0xa40
[ 234.800584][ T5471] __se_sys_mount+0x2e3/0x3d0
[ 234.805357][ T5471] ? __x64_sys_mount+0xc0/0xc0
[ 234.810340][ T5471] ? lockdep_hardirqs_on+0x94/0x140
[ 234.815538][ T5471] ? __x64_sys_mount+0x1c/0xc0
[ 234.820612][ T5471] do_syscall_64+0x4c/0xa0
[ 234.825111][ T5471] ? clear_bhb_loop+0x30/0x80
[ 234.829825][ T5471] ? clear_bhb_loop+0x30/0x80
[ 234.834505][ T5471] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.840884][ T5471] RIP: 0033:0x7f5d12f8d18a
[ 234.845310][ T5471] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 234.866003][ T5471] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.874509][ T5471] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 234.882658][ T5471] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 234.890807][ T5471] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 234.899152][ T5471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.907294][ T5471] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 234.915618][ T5471]
[ 234.920544][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.933800][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.224322][ T5473] loop1: detected capacity change from 0 to 32768
[ 235.283663][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.291271][ T5473] CPU: 0 PID: 5473 Comm: syz.1.190 Not tainted syzkaller #0
[ 235.298837][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 235.309171][ T5473] Call Trace:
[ 235.312459][ T5473]
[ 235.315390][ T5473] dump_stack_lvl+0x188/0x250
[ 235.320090][ T5473] ? show_regs_print_info+0x20/0x20
[ 235.325495][ T5473] ? load_image+0x400/0x400
[ 235.330109][ T5473] sysfs_create_dir_ns+0x26a/0x290
[ 235.335245][ T5473] ? sysfs_warn_dup+0xa0/0xa0
[ 235.340030][ T5473] ? do_raw_spin_unlock+0x11d/0x230
[ 235.345333][ T5473] kobject_add_internal+0x6e0/0xd90
[ 235.350824][ T5473] kobject_init_and_add+0x128/0x190
[ 235.356150][ T5473] ? lockdep_softirqs_off+0x430/0x430
[ 235.361523][ T5473] ? kobject_add+0x230/0x230
[ 235.366217][ T5473] ? __init_swait_queue_head+0xa5/0x150
[ 235.372065][ T5473] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.376889][ T5473] ? gfs2_recover_set+0x240/0x240
[ 235.382237][ T5473] ? snprintf+0xe5/0x140
[ 235.386686][ T5473] ? __free_pages+0x95/0x1a0
[ 235.391269][ T5473] ? vscnprintf+0x80/0x80
[ 235.395590][ T5473] gfs2_fill_super+0x120f/0x1f00
[ 235.400796][ T5473] ? gfs2_reconfigure+0xd30/0xd30
[ 235.406210][ T5473] ? sb_set_blocksize+0xa5/0xe0
[ 235.411062][ T5473] get_tree_bdev+0x3f1/0x610
[ 235.416283][ T5473] ? gfs2_reconfigure+0xd30/0xd30
[ 235.421639][ T5473] gfs2_get_tree+0x4d/0x1e0
[ 235.426246][ T5473] vfs_get_tree+0x88/0x270
[ 235.430668][ T5473] do_new_mount+0x24a/0xa40
[ 235.435165][ T5473] __se_sys_mount+0x2e3/0x3d0
[ 235.440024][ T5473] ? __x64_sys_mount+0xc0/0xc0
[ 235.444813][ T5473] ? lockdep_hardirqs_on+0x94/0x140
[ 235.450094][ T5473] ? __x64_sys_mount+0x1c/0xc0
[ 235.454853][ T5473] do_syscall_64+0x4c/0xa0
[ 235.459351][ T5473] ? clear_bhb_loop+0x30/0x80
[ 235.464033][ T5473] ? clear_bhb_loop+0x30/0x80
[ 235.468699][ T5473] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.474677][ T5473] RIP: 0033:0x7f5d12f8d18a
[ 235.479094][ T5473] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 235.498870][ T5473] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.507983][ T5473] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 235.516208][ T5473] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 235.524382][ T5473] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 235.532881][ T5473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.541053][ T5473] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 235.549281][ T5473]
[ 235.556243][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.570169][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.875126][ T5475] loop1: detected capacity change from 0 to 32768
[ 235.934251][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.942027][ T5475] CPU: 1 PID: 5475 Comm: syz.1.191 Not tainted syzkaller #0
[ 235.949339][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 235.959494][ T5475] Call Trace:
[ 235.962789][ T5475]
[ 235.965916][ T5475] dump_stack_lvl+0x188/0x250
[ 235.970831][ T5475] ? show_regs_print_info+0x20/0x20
[ 235.976058][ T5475] ? load_image+0x400/0x400
[ 235.980601][ T5475] sysfs_create_dir_ns+0x26a/0x290
[ 235.985841][ T5475] ? sysfs_warn_dup+0xa0/0xa0
[ 235.990715][ T5475] ? do_raw_spin_unlock+0x11d/0x230
[ 235.996834][ T5475] kobject_add_internal+0x6e0/0xd90
[ 236.002442][ T5475] kobject_init_and_add+0x128/0x190
[ 236.007929][ T5475] ? lockdep_softirqs_off+0x430/0x430
[ 236.013479][ T5475] ? kobject_add+0x230/0x230
[ 236.018166][ T5475] ? __init_swait_queue_head+0xa5/0x150
[ 236.024050][ T5475] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.028827][ T5475] ? gfs2_recover_set+0x240/0x240
[ 236.033892][ T5475] ? snprintf+0xe5/0x140
[ 236.038402][ T5475] ? __free_pages+0x95/0x1a0
[ 236.043000][ T5475] ? vscnprintf+0x80/0x80
[ 236.047497][ T5475] gfs2_fill_super+0x120f/0x1f00
[ 236.052808][ T5475] ? gfs2_reconfigure+0xd30/0xd30
[ 236.058444][ T5475] ? sb_set_blocksize+0xa5/0xe0
[ 236.063478][ T5475] get_tree_bdev+0x3f1/0x610
[ 236.068431][ T5475] ? gfs2_reconfigure+0xd30/0xd30
[ 236.074372][ T5475] gfs2_get_tree+0x4d/0x1e0
[ 236.079278][ T5475] vfs_get_tree+0x88/0x270
[ 236.084039][ T5475] do_new_mount+0x24a/0xa40
[ 236.090916][ T5475] __se_sys_mount+0x2e3/0x3d0
[ 236.095709][ T5475] ? __x64_sys_mount+0xc0/0xc0
[ 236.100748][ T5475] ? lockdep_hardirqs_on+0x94/0x140
[ 236.105959][ T5475] ? __x64_sys_mount+0x1c/0xc0
[ 236.110910][ T5475] do_syscall_64+0x4c/0xa0
[ 236.115334][ T5475] ? clear_bhb_loop+0x30/0x80
[ 236.120253][ T5475] ? clear_bhb_loop+0x30/0x80
[ 236.125054][ T5475] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.131355][ T5475] RIP: 0033:0x7f5d12f8d18a
[ 236.135961][ T5475] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 236.155990][ T5475] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.164750][ T5475] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 236.174130][ T5475] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 236.182542][ T5475] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 236.191979][ T5475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.200778][ T5475] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 236.209154][ T5475]
[ 236.213818][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.228199][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.540213][ T5477] loop1: detected capacity change from 0 to 32768
[ 236.591712][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.599299][ T5477] CPU: 0 PID: 5477 Comm: syz.1.192 Not tainted syzkaller #0
[ 236.607045][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 236.619186][ T5477] Call Trace:
[ 236.622498][ T5477]
[ 236.625449][ T5477] dump_stack_lvl+0x188/0x250
[ 236.630773][ T5477] ? show_regs_print_info+0x20/0x20
[ 236.636046][ T5477] ? load_image+0x400/0x400
[ 236.640794][ T5477] sysfs_create_dir_ns+0x26a/0x290
[ 236.645925][ T5477] ? sysfs_warn_dup+0xa0/0xa0
[ 236.651097][ T5477] ? do_raw_spin_unlock+0x11d/0x230
[ 236.656573][ T5477] kobject_add_internal+0x6e0/0xd90
[ 236.661882][ T5477] kobject_init_and_add+0x128/0x190
[ 236.667198][ T5477] ? lockdep_softirqs_off+0x430/0x430
[ 236.673216][ T5477] ? kobject_add+0x230/0x230
[ 236.678012][ T5477] ? __init_swait_queue_head+0xa5/0x150
[ 236.683651][ T5477] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.688436][ T5477] ? gfs2_recover_set+0x240/0x240
[ 236.693550][ T5477] ? snprintf+0xe5/0x140
[ 236.697785][ T5477] ? __free_pages+0x95/0x1a0
[ 236.702387][ T5477] ? vscnprintf+0x80/0x80
[ 236.706910][ T5477] gfs2_fill_super+0x120f/0x1f00
[ 236.712337][ T5477] ? gfs2_reconfigure+0xd30/0xd30
[ 236.717491][ T5477] ? sb_set_blocksize+0xa5/0xe0
[ 236.722337][ T5477] get_tree_bdev+0x3f1/0x610
[ 236.727088][ T5477] ? gfs2_reconfigure+0xd30/0xd30
[ 236.732371][ T5477] gfs2_get_tree+0x4d/0x1e0
[ 236.736876][ T5477] vfs_get_tree+0x88/0x270
[ 236.741370][ T5477] do_new_mount+0x24a/0xa40
[ 236.746157][ T5477] __se_sys_mount+0x2e3/0x3d0
[ 236.751018][ T5477] ? __x64_sys_mount+0xc0/0xc0
[ 236.755798][ T5477] ? lockdep_hardirqs_on+0x94/0x140
[ 236.761001][ T5477] ? __x64_sys_mount+0x1c/0xc0
[ 236.765781][ T5477] do_syscall_64+0x4c/0xa0
[ 236.770409][ T5477] ? clear_bhb_loop+0x30/0x80
[ 236.775548][ T5477] ? clear_bhb_loop+0x30/0x80
[ 236.780313][ T5477] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.787090][ T5477] RIP: 0033:0x7f5d12f8d18a
[ 236.792020][ T5477] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 236.813391][ T5477] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.822699][ T5477] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 236.831142][ T5477] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 236.839205][ T5477] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 236.848216][ T5477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.856758][ T5477] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 236.865239][ T5477]
[ 236.869351][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.882682][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/25 21:29:25 executed programs: 178
[ 237.191421][ T5479] loop1: detected capacity change from 0 to 32768
[ 237.251001][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.258599][ T5479] CPU: 0 PID: 5479 Comm: syz.1.193 Not tainted syzkaller #0
[ 237.266157][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 237.276521][ T5479] Call Trace:
[ 237.279824][ T5479]
[ 237.283001][ T5479] dump_stack_lvl+0x188/0x250
[ 237.287982][ T5479] ? show_regs_print_info+0x20/0x20
[ 237.293279][ T5479] ? load_image+0x400/0x400
[ 237.297921][ T5479] sysfs_create_dir_ns+0x26a/0x290
[ 237.303150][ T5479] ? sysfs_warn_dup+0xa0/0xa0
[ 237.307937][ T5479] ? do_raw_spin_unlock+0x11d/0x230
[ 237.313336][ T5479] kobject_add_internal+0x6e0/0xd90
[ 237.318567][ T5479] kobject_init_and_add+0x128/0x190
[ 237.324094][ T5479] ? lockdep_softirqs_off+0x430/0x430
[ 237.329490][ T5479] ? kobject_add+0x230/0x230
[ 237.334512][ T5479] ? __init_swait_queue_head+0xa5/0x150
[ 237.340283][ T5479] gfs2_sys_fs_add+0x24f/0x4b0
[ 237.345275][ T5479] ? gfs2_recover_set+0x240/0x240
[ 237.350306][ T5479] ? snprintf+0xe5/0x140
[ 237.354934][ T5479] ? __free_pages+0x95/0x1a0
[ 237.359795][ T5479] ? vscnprintf+0x80/0x80
[ 237.364225][ T5479] gfs2_fill_super+0x120f/0x1f00
[ 237.369171][ T5479] ? gfs2_reconfigure+0xd30/0xd30
[ 237.374307][ T5479] ? sb_set_blocksize+0xa5/0xe0
[ 237.379414][ T5479] get_tree_bdev+0x3f1/0x610
[ 237.385370][ T5479] ? gfs2_reconfigure+0xd30/0xd30
[ 237.390713][ T5479] gfs2_get_tree+0x4d/0x1e0
[ 237.395228][ T5479] vfs_get_tree+0x88/0x270
[ 237.399827][ T5479] do_new_mount+0x24a/0xa40
[ 237.404428][ T5479] __se_sys_mount+0x2e3/0x3d0
[ 237.409531][ T5479] ? __x64_sys_mount+0xc0/0xc0
[ 237.415458][ T5479] ? lockdep_hardirqs_on+0x94/0x140
[ 237.422493][ T5479] ? __x64_sys_mount+0x1c/0xc0
[ 237.427737][ T5479] do_syscall_64+0x4c/0xa0
[ 237.432243][ T5479] ? clear_bhb_loop+0x30/0x80
[ 237.437306][ T5479] ? clear_bhb_loop+0x30/0x80
[ 237.442176][ T5479] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.448251][ T5479] RIP: 0033:0x7f5d12f8d18a
[ 237.452683][ T5479] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 237.475135][ T5479] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.484952][ T5479] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 237.493103][ T5479] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 237.501247][ T5479] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 237.509734][ T5479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.517787][ T5479] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 237.525848][ T5479]
[ 237.529640][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.543167][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.832489][ T5481] loop1: detected capacity change from 0 to 32768
[ 237.943454][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.951104][ T5481] CPU: 1 PID: 5481 Comm: syz.1.194 Not tainted syzkaller #0
[ 237.958695][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 237.968852][ T5481] Call Trace:
[ 237.972145][ T5481]
[ 237.975089][ T5481] dump_stack_lvl+0x188/0x250
[ 237.979881][ T5481] ? show_regs_print_info+0x20/0x20
[ 237.985142][ T5481] ? load_image+0x400/0x400
[ 237.989719][ T5481] sysfs_create_dir_ns+0x26a/0x290
[ 237.995037][ T5481] ? sysfs_warn_dup+0xa0/0xa0
[ 237.999712][ T5481] ? do_raw_spin_unlock+0x11d/0x230
[ 238.004937][ T5481] kobject_add_internal+0x6e0/0xd90
[ 238.010218][ T5481] kobject_init_and_add+0x128/0x190
[ 238.015492][ T5481] ? lockdep_softirqs_off+0x430/0x430
[ 238.020866][ T5481] ? kobject_add+0x230/0x230
[ 238.025461][ T5481] ? __init_swait_queue_head+0xa5/0x150
[ 238.031180][ T5481] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.035975][ T5481] ? gfs2_recover_set+0x240/0x240
[ 238.041008][ T5481] ? snprintf+0xe5/0x140
[ 238.045245][ T5481] ? __free_pages+0x95/0x1a0
[ 238.049912][ T5481] ? vscnprintf+0x80/0x80
[ 238.054427][ T5481] gfs2_fill_super+0x120f/0x1f00
[ 238.059559][ T5481] ? gfs2_reconfigure+0xd30/0xd30
[ 238.064595][ T5481] ? sb_set_blocksize+0xa5/0xe0
[ 238.069463][ T5481] get_tree_bdev+0x3f1/0x610
[ 238.074249][ T5481] ? gfs2_reconfigure+0xd30/0xd30
[ 238.079303][ T5481] gfs2_get_tree+0x4d/0x1e0
[ 238.084218][ T5481] vfs_get_tree+0x88/0x270
[ 238.088912][ T5481] do_new_mount+0x24a/0xa40
[ 238.093707][ T5481] __se_sys_mount+0x2e3/0x3d0
[ 238.098557][ T5481] ? __x64_sys_mount+0xc0/0xc0
[ 238.103496][ T5481] ? lockdep_hardirqs_on+0x94/0x140
[ 238.108778][ T5481] ? __x64_sys_mount+0x1c/0xc0
[ 238.113541][ T5481] do_syscall_64+0x4c/0xa0
[ 238.117945][ T5481] ? clear_bhb_loop+0x30/0x80
[ 238.122703][ T5481] ? clear_bhb_loop+0x30/0x80
[ 238.127572][ T5481] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.133551][ T5481] RIP: 0033:0x7f5d12f8d18a
[ 238.137961][ T5481] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 238.157920][ T5481] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.166415][ T5481] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 238.174399][ T5481] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 238.182943][ T5481] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 238.191214][ T5481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.199482][ T5481] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 238.207911][ T5481]
[ 238.213297][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.229483][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.532928][ T5483] loop1: detected capacity change from 0 to 32768
[ 238.625189][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.632811][ T5483] CPU: 1 PID: 5483 Comm: syz.1.195 Not tainted syzkaller #0
[ 238.640603][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 238.651115][ T5483] Call Trace:
[ 238.654499][ T5483]
[ 238.657444][ T5483] dump_stack_lvl+0x188/0x250
[ 238.662505][ T5483] ? show_regs_print_info+0x20/0x20
[ 238.668605][ T5483] ? load_image+0x400/0x400
[ 238.673488][ T5483] sysfs_create_dir_ns+0x26a/0x290
[ 238.679269][ T5483] ? sysfs_warn_dup+0xa0/0xa0
[ 238.683980][ T5483] ? do_raw_spin_unlock+0x11d/0x230
[ 238.689970][ T5483] kobject_add_internal+0x6e0/0xd90
[ 238.696089][ T5483] kobject_init_and_add+0x128/0x190
[ 238.702097][ T5483] ? lockdep_softirqs_off+0x430/0x430
[ 238.708149][ T5483] ? kobject_add+0x230/0x230
[ 238.712833][ T5483] ? __init_swait_queue_head+0xa5/0x150
[ 238.718894][ T5483] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.723769][ T5483] ? gfs2_recover_set+0x240/0x240
[ 238.729023][ T5483] ? snprintf+0xe5/0x140
[ 238.734532][ T5483] ? __free_pages+0x95/0x1a0
[ 238.739855][ T5483] ? vscnprintf+0x80/0x80
[ 238.744290][ T5483] gfs2_fill_super+0x120f/0x1f00
[ 238.749335][ T5483] ? gfs2_reconfigure+0xd30/0xd30
[ 238.754376][ T5483] ? sb_set_blocksize+0xa5/0xe0
[ 238.759241][ T5483] get_tree_bdev+0x3f1/0x610
[ 238.763839][ T5483] ? gfs2_reconfigure+0xd30/0xd30
[ 238.769052][ T5483] gfs2_get_tree+0x4d/0x1e0
[ 238.773906][ T5483] vfs_get_tree+0x88/0x270
[ 238.778642][ T5483] do_new_mount+0x24a/0xa40
[ 238.783178][ T5483] __se_sys_mount+0x2e3/0x3d0
[ 238.788075][ T5483] ? __x64_sys_mount+0xc0/0xc0
[ 238.793433][ T5483] ? lockdep_hardirqs_on+0x94/0x140
[ 238.799358][ T5483] ? __x64_sys_mount+0x1c/0xc0
[ 238.804229][ T5483] do_syscall_64+0x4c/0xa0
[ 238.808855][ T5483] ? clear_bhb_loop+0x30/0x80
[ 238.813704][ T5483] ? clear_bhb_loop+0x30/0x80
[ 238.818827][ T5483] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.826826][ T5483] RIP: 0033:0x7f5d12f8d18a
[ 238.832341][ T5483] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 238.853149][ T5483] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.862859][ T5483] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 238.871880][ T5483] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 238.879855][ T5483] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 238.887825][ T5483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.897534][ T5483] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 238.906044][ T5483]
[ 238.911057][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.925295][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.253572][ T5485] loop1: detected capacity change from 0 to 32768
[ 239.316899][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.329354][ T5485] CPU: 1 PID: 5485 Comm: syz.1.196 Not tainted syzkaller #0
[ 239.336694][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 239.346764][ T5485] Call Trace:
[ 239.350154][ T5485]
[ 239.353091][ T5485] dump_stack_lvl+0x188/0x250
[ 239.357785][ T5485] ? show_regs_print_info+0x20/0x20
[ 239.363000][ T5485] ? load_image+0x400/0x400
[ 239.367533][ T5485] sysfs_create_dir_ns+0x26a/0x290
[ 239.372791][ T5485] ? sysfs_warn_dup+0xa0/0xa0
[ 239.377494][ T5485] ? do_raw_spin_unlock+0x11d/0x230
[ 239.382722][ T5485] kobject_add_internal+0x6e0/0xd90
[ 239.388043][ T5485] kobject_init_and_add+0x128/0x190
[ 239.393456][ T5485] ? lockdep_softirqs_off+0x430/0x430
[ 239.398894][ T5485] ? kobject_add+0x230/0x230
[ 239.403578][ T5485] ? __init_swait_queue_head+0xa5/0x150
[ 239.409763][ T5485] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.414882][ T5485] ? gfs2_recover_set+0x240/0x240
[ 239.420394][ T5485] ? snprintf+0xe5/0x140
[ 239.424818][ T5485] ? __free_pages+0x95/0x1a0
[ 239.429756][ T5485] ? vscnprintf+0x80/0x80
[ 239.434079][ T5485] gfs2_fill_super+0x120f/0x1f00
[ 239.439189][ T5485] ? gfs2_reconfigure+0xd30/0xd30
[ 239.444319][ T5485] ? sb_set_blocksize+0xa5/0xe0
[ 239.449530][ T5485] get_tree_bdev+0x3f1/0x610
[ 239.454359][ T5485] ? gfs2_reconfigure+0xd30/0xd30
[ 239.459601][ T5485] gfs2_get_tree+0x4d/0x1e0
[ 239.464393][ T5485] vfs_get_tree+0x88/0x270
[ 239.469209][ T5485] do_new_mount+0x24a/0xa40
[ 239.473723][ T5485] __se_sys_mount+0x2e3/0x3d0
[ 239.478884][ T5485] ? __x64_sys_mount+0xc0/0xc0
[ 239.483889][ T5485] ? lockdep_hardirqs_on+0x94/0x140
[ 239.489208][ T5485] ? __x64_sys_mount+0x1c/0xc0
[ 239.494077][ T5485] do_syscall_64+0x4c/0xa0
[ 239.498674][ T5485] ? clear_bhb_loop+0x30/0x80
[ 239.503496][ T5485] ? clear_bhb_loop+0x30/0x80
[ 239.508180][ T5485] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.514161][ T5485] RIP: 0033:0x7f5d12f8d18a
[ 239.518567][ T5485] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 239.538612][ T5485] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.547369][ T5485] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 239.555343][ T5485] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 239.563670][ T5485] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 239.572338][ T5485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.580485][ T5485] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 239.589449][ T5485]
[ 239.594236][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.608310][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.932662][ T5487] loop1: detected capacity change from 0 to 32768
[ 239.980288][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.988504][ T5487] CPU: 0 PID: 5487 Comm: syz.1.197 Not tainted syzkaller #0
[ 239.997579][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 240.008058][ T5487] Call Trace:
[ 240.011616][ T5487]
[ 240.014757][ T5487] dump_stack_lvl+0x188/0x250
[ 240.019545][ T5487] ? show_regs_print_info+0x20/0x20
[ 240.025036][ T5487] ? load_image+0x400/0x400
[ 240.029647][ T5487] sysfs_create_dir_ns+0x26a/0x290
[ 240.035001][ T5487] ? sysfs_warn_dup+0xa0/0xa0
[ 240.039884][ T5487] ? do_raw_spin_unlock+0x11d/0x230
[ 240.045204][ T5487] kobject_add_internal+0x6e0/0xd90
[ 240.050429][ T5487] kobject_init_and_add+0x128/0x190
[ 240.055738][ T5487] ? lockdep_softirqs_off+0x430/0x430
[ 240.061756][ T5487] ? kobject_add+0x230/0x230
[ 240.066927][ T5487] ? __init_swait_queue_head+0xa5/0x150
[ 240.073119][ T5487] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.078127][ T5487] ? gfs2_recover_set+0x240/0x240
[ 240.083977][ T5487] ? snprintf+0xe5/0x140
[ 240.088494][ T5487] ? __free_pages+0x95/0x1a0
[ 240.093179][ T5487] ? vscnprintf+0x80/0x80
[ 240.097691][ T5487] gfs2_fill_super+0x120f/0x1f00
[ 240.102833][ T5487] ? gfs2_reconfigure+0xd30/0xd30
[ 240.107857][ T5487] ? sb_set_blocksize+0xa5/0xe0
[ 240.112699][ T5487] get_tree_bdev+0x3f1/0x610
[ 240.117302][ T5487] ? gfs2_reconfigure+0xd30/0xd30
[ 240.122318][ T5487] gfs2_get_tree+0x4d/0x1e0
[ 240.126818][ T5487] vfs_get_tree+0x88/0x270
[ 240.131325][ T5487] do_new_mount+0x24a/0xa40
[ 240.135924][ T5487] __se_sys_mount+0x2e3/0x3d0
[ 240.140718][ T5487] ? __x64_sys_mount+0xc0/0xc0
[ 240.145479][ T5487] ? lockdep_hardirqs_on+0x94/0x140
[ 240.150949][ T5487] ? __x64_sys_mount+0x1c/0xc0
[ 240.155887][ T5487] do_syscall_64+0x4c/0xa0
[ 240.160484][ T5487] ? clear_bhb_loop+0x30/0x80
[ 240.165241][ T5487] ? clear_bhb_loop+0x30/0x80
[ 240.169939][ T5487] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.176003][ T5487] RIP: 0033:0x7f5d12f8d18a
[ 240.180689][ T5487] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 240.200565][ T5487] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.209074][ T5487] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 240.217201][ T5487] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 240.225374][ T5487] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 240.233781][ T5487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.241765][ T5487] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 240.250437][ T5487]
[ 240.253904][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.268084][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.585472][ T5489] loop1: detected capacity change from 0 to 32768
[ 240.636476][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.648153][ T5489] CPU: 0 PID: 5489 Comm: syz.1.198 Not tainted syzkaller #0
[ 240.655566][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 240.665781][ T5489] Call Trace:
[ 240.669256][ T5489]
[ 240.672372][ T5489] dump_stack_lvl+0x188/0x250
[ 240.677080][ T5489] ? show_regs_print_info+0x20/0x20
[ 240.682302][ T5489] ? load_image+0x400/0x400
[ 240.687182][ T5489] sysfs_create_dir_ns+0x26a/0x290
[ 240.692577][ T5489] ? sysfs_warn_dup+0xa0/0xa0
[ 240.697277][ T5489] ? do_raw_spin_unlock+0x11d/0x230
[ 240.702492][ T5489] kobject_add_internal+0x6e0/0xd90
[ 240.707849][ T5489] kobject_init_and_add+0x128/0x190
[ 240.713170][ T5489] ? lockdep_softirqs_off+0x430/0x430
[ 240.718717][ T5489] ? kobject_add+0x230/0x230
[ 240.723415][ T5489] ? __init_swait_queue_head+0xa5/0x150
[ 240.729297][ T5489] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.734065][ T5489] ? gfs2_recover_set+0x240/0x240
[ 240.739241][ T5489] ? snprintf+0xe5/0x140
[ 240.743577][ T5489] ? __free_pages+0x95/0x1a0
[ 240.748825][ T5489] ? vscnprintf+0x80/0x80
[ 240.753345][ T5489] gfs2_fill_super+0x120f/0x1f00
[ 240.758346][ T5489] ? gfs2_reconfigure+0xd30/0xd30
[ 240.763381][ T5489] ? sb_set_blocksize+0xa5/0xe0
[ 240.768329][ T5489] get_tree_bdev+0x3f1/0x610
[ 240.773154][ T5489] ? gfs2_reconfigure+0xd30/0xd30
[ 240.778614][ T5489] gfs2_get_tree+0x4d/0x1e0
[ 240.783459][ T5489] vfs_get_tree+0x88/0x270
[ 240.787870][ T5489] do_new_mount+0x24a/0xa40
[ 240.792366][ T5489] __se_sys_mount+0x2e3/0x3d0
[ 240.797067][ T5489] ? __x64_sys_mount+0xc0/0xc0
[ 240.802059][ T5489] ? lockdep_hardirqs_on+0x94/0x140
[ 240.807335][ T5489] ? __x64_sys_mount+0x1c/0xc0
[ 240.812097][ T5489] do_syscall_64+0x4c/0xa0
[ 240.816522][ T5489] ? clear_bhb_loop+0x30/0x80
[ 240.821282][ T5489] ? clear_bhb_loop+0x30/0x80
[ 240.826396][ T5489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.832310][ T5489] RIP: 0033:0x7f5d12f8d18a
[ 240.836850][ T5489] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 240.857424][ T5489] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.866208][ T5489] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 240.874170][ T5489] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 240.882303][ T5489] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 240.890260][ T5489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.898588][ T5489] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 240.906883][ T5489]
[ 240.914254][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.928234][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.250503][ T5491] loop1: detected capacity change from 0 to 32768
[ 241.299705][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.307341][ T5491] CPU: 0 PID: 5491 Comm: syz.1.199 Not tainted syzkaller #0
[ 241.315179][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 241.325260][ T5491] Call Trace:
[ 241.328560][ T5491]
[ 241.331512][ T5491] dump_stack_lvl+0x188/0x250
[ 241.336217][ T5491] ? show_regs_print_info+0x20/0x20
[ 241.341703][ T5491] ? load_image+0x400/0x400
[ 241.346242][ T5491] sysfs_create_dir_ns+0x26a/0x290
[ 241.351465][ T5491] ? sysfs_warn_dup+0xa0/0xa0
[ 241.356258][ T5491] ? do_raw_spin_unlock+0x11d/0x230
[ 241.361584][ T5491] kobject_add_internal+0x6e0/0xd90
[ 241.367274][ T5491] kobject_init_and_add+0x128/0x190
[ 241.372916][ T5491] ? lockdep_softirqs_off+0x430/0x430
[ 241.378547][ T5491] ? kobject_add+0x230/0x230
[ 241.383563][ T5491] ? __init_swait_queue_head+0xa5/0x150
[ 241.389541][ T5491] gfs2_sys_fs_add+0x24f/0x4b0
[ 241.394490][ T5491] ? gfs2_recover_set+0x240/0x240
[ 241.399874][ T5491] ? snprintf+0xe5/0x140
[ 241.404387][ T5491] ? __free_pages+0x95/0x1a0
[ 241.409341][ T5491] ? vscnprintf+0x80/0x80
[ 241.414308][ T5491] gfs2_fill_super+0x120f/0x1f00
[ 241.420747][ T5491] ? gfs2_reconfigure+0xd30/0xd30
[ 241.426312][ T5491] ? sb_set_blocksize+0xa5/0xe0
[ 241.431531][ T5491] get_tree_bdev+0x3f1/0x610
[ 241.436139][ T5491] ? gfs2_reconfigure+0xd30/0xd30
[ 241.441167][ T5491] gfs2_get_tree+0x4d/0x1e0
[ 241.445670][ T5491] vfs_get_tree+0x88/0x270
[ 241.450084][ T5491] do_new_mount+0x24a/0xa40
[ 241.454579][ T5491] __se_sys_mount+0x2e3/0x3d0
[ 241.459348][ T5491] ? __x64_sys_mount+0xc0/0xc0
[ 241.464214][ T5491] ? lockdep_hardirqs_on+0x94/0x140
[ 241.469854][ T5491] ? __x64_sys_mount+0x1c/0xc0
[ 241.474635][ T5491] do_syscall_64+0x4c/0xa0
[ 241.479136][ T5491] ? clear_bhb_loop+0x30/0x80
[ 241.484102][ T5491] ? clear_bhb_loop+0x30/0x80
[ 241.488777][ T5491] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.494658][ T5491] RIP: 0033:0x7f5d12f8d18a
[ 241.499082][ T5491] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 241.519125][ T5491] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.527633][ T5491] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 241.535822][ T5491] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 241.543897][ T5491] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 241.551864][ T5491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.559858][ T5491] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 241.568135][ T5491]
[ 241.571713][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.585386][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.878088][ T5493] loop1: detected capacity change from 0 to 32768
[ 241.926281][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.935380][ T5493] CPU: 1 PID: 5493 Comm: syz.1.200 Not tainted syzkaller #0
[ 241.942793][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 241.952877][ T5493] Call Trace:
[ 241.956171][ T5493]
[ 241.959116][ T5493] dump_stack_lvl+0x188/0x250
[ 241.963916][ T5493] ? show_regs_print_info+0x20/0x20
[ 241.969224][ T5493] ? load_image+0x400/0x400
[ 241.973861][ T5493] sysfs_create_dir_ns+0x26a/0x290
[ 241.978995][ T5493] ? sysfs_warn_dup+0xa0/0xa0
[ 241.984052][ T5493] ? do_raw_spin_unlock+0x11d/0x230
[ 241.989271][ T5493] kobject_add_internal+0x6e0/0xd90
[ 241.994706][ T5493] kobject_init_and_add+0x128/0x190
[ 242.000272][ T5493] ? lockdep_softirqs_off+0x430/0x430
[ 242.005764][ T5493] ? kobject_add+0x230/0x230
[ 242.010935][ T5493] ? __init_swait_queue_head+0xa5/0x150
[ 242.016530][ T5493] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.022258][ T5493] ? gfs2_recover_set+0x240/0x240
[ 242.028456][ T5493] ? snprintf+0xe5/0x140
[ 242.032799][ T5493] ? __free_pages+0x95/0x1a0
[ 242.037677][ T5493] ? vscnprintf+0x80/0x80
[ 242.042619][ T5493] gfs2_fill_super+0x120f/0x1f00
[ 242.048626][ T5493] ? gfs2_reconfigure+0xd30/0xd30
[ 242.057293][ T5493] ? sb_set_blocksize+0xa5/0xe0
[ 242.063242][ T5493] get_tree_bdev+0x3f1/0x610
[ 242.068104][ T5493] ? gfs2_reconfigure+0xd30/0xd30
[ 242.075296][ T5493] gfs2_get_tree+0x4d/0x1e0
[ 242.080891][ T5493] vfs_get_tree+0x88/0x270
[ 242.086110][ T5493] do_new_mount+0x24a/0xa40
[ 242.091805][ T5493] __se_sys_mount+0x2e3/0x3d0
[ 242.097431][ T5493] ? __x64_sys_mount+0xc0/0xc0
[ 242.102806][ T5493] ? lockdep_hardirqs_on+0x94/0x140
[ 242.109399][ T5493] ? __x64_sys_mount+0x1c/0xc0
[ 242.114484][ T5493] do_syscall_64+0x4c/0xa0
[ 242.118911][ T5493] ? clear_bhb_loop+0x30/0x80
[ 242.123577][ T5493] ? clear_bhb_loop+0x30/0x80
[ 242.128652][ T5493] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.134636][ T5493] RIP: 0033:0x7f5d12f8d18a
[ 242.139154][ T5493] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 242.159127][ T5493] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.167921][ T5493] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 242.176807][ T5493] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 242.185654][ T5493] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 242.193980][ T5493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.202228][ T5493] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 242.210341][ T5493]
[ 242.215660][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.229615][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/25 21:29:30 executed programs: 186
[ 242.481697][ T5062] Bluetooth: hci1: command 0x0406 tx timeout
[ 242.546415][ T5495] loop1: detected capacity change from 0 to 32768
[ 242.612227][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.619727][ T5495] CPU: 0 PID: 5495 Comm: syz.1.201 Not tainted syzkaller #0
[ 242.627254][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 242.637929][ T5495] Call Trace:
[ 242.641528][ T5495]
[ 242.644468][ T5495] dump_stack_lvl+0x188/0x250
[ 242.649354][ T5495] ? show_regs_print_info+0x20/0x20
[ 242.654572][ T5495] ? load_image+0x400/0x400
[ 242.659102][ T5495] sysfs_create_dir_ns+0x26a/0x290
[ 242.664233][ T5495] ? sysfs_warn_dup+0xa0/0xa0
[ 242.668929][ T5495] ? do_raw_spin_unlock+0x11d/0x230
[ 242.674392][ T5495] kobject_add_internal+0x6e0/0xd90
[ 242.679623][ T5495] kobject_init_and_add+0x128/0x190
[ 242.685296][ T5495] ? lockdep_softirqs_off+0x430/0x430
[ 242.691164][ T5495] ? kobject_add+0x230/0x230
[ 242.696097][ T5495] ? __init_swait_queue_head+0xa5/0x150
[ 242.702728][ T5495] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.707724][ T5495] ? gfs2_recover_set+0x240/0x240
[ 242.712924][ T5495] ? snprintf+0xe5/0x140
[ 242.717157][ T5495] ? __free_pages+0x95/0x1a0
[ 242.722121][ T5495] ? vscnprintf+0x80/0x80
[ 242.726453][ T5495] gfs2_fill_super+0x120f/0x1f00
[ 242.731487][ T5495] ? gfs2_reconfigure+0xd30/0xd30
[ 242.736615][ T5495] ? sb_set_blocksize+0xa5/0xe0
[ 242.741582][ T5495] get_tree_bdev+0x3f1/0x610
[ 242.746289][ T5495] ? gfs2_reconfigure+0xd30/0xd30
[ 242.751425][ T5495] gfs2_get_tree+0x4d/0x1e0
[ 242.756019][ T5495] vfs_get_tree+0x88/0x270
[ 242.760520][ T5495] do_new_mount+0x24a/0xa40
[ 242.765012][ T5495] __se_sys_mount+0x2e3/0x3d0
[ 242.769814][ T5495] ? __x64_sys_mount+0xc0/0xc0
[ 242.774955][ T5495] ? lockdep_hardirqs_on+0x94/0x140
[ 242.780164][ T5495] ? __x64_sys_mount+0x1c/0xc0
[ 242.785220][ T5495] do_syscall_64+0x4c/0xa0
[ 242.789798][ T5495] ? clear_bhb_loop+0x30/0x80
[ 242.794908][ T5495] ? clear_bhb_loop+0x30/0x80
[ 242.799685][ T5495] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.805582][ T5495] RIP: 0033:0x7f5d12f8d18a
[ 242.810135][ T5495] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 242.829922][ T5495] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.838521][ T5495] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 242.846927][ T5495] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 242.854898][ T5495] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 242.863038][ T5495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.871293][ T5495] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 242.879602][ T5495]
[ 242.883071][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.896873][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.192464][ T5497] loop1: detected capacity change from 0 to 32768
[ 243.239648][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.247267][ T5497] CPU: 1 PID: 5497 Comm: syz.1.202 Not tainted syzkaller #0
[ 243.254668][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 243.265785][ T5497] Call Trace:
[ 243.269163][ T5497]
[ 243.272192][ T5497] dump_stack_lvl+0x188/0x250
[ 243.276897][ T5497] ? show_regs_print_info+0x20/0x20
[ 243.282299][ T5497] ? load_image+0x400/0x400
[ 243.286867][ T5497] sysfs_create_dir_ns+0x26a/0x290
[ 243.292013][ T5497] ? sysfs_warn_dup+0xa0/0xa0
[ 243.296708][ T5497] ? do_raw_spin_unlock+0x11d/0x230
[ 243.302116][ T5497] kobject_add_internal+0x6e0/0xd90
[ 243.308572][ T5497] kobject_init_and_add+0x128/0x190
[ 243.314496][ T5497] ? lockdep_softirqs_off+0x430/0x430
[ 243.319947][ T5497] ? kobject_add+0x230/0x230
[ 243.324775][ T5497] ? __init_swait_queue_head+0xa5/0x150
[ 243.330420][ T5497] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.335305][ T5497] ? gfs2_recover_set+0x240/0x240
[ 243.340607][ T5497] ? snprintf+0xe5/0x140
[ 243.345017][ T5497] ? __free_pages+0x95/0x1a0
[ 243.349789][ T5497] ? vscnprintf+0x80/0x80
[ 243.354124][ T5497] gfs2_fill_super+0x120f/0x1f00
[ 243.359065][ T5497] ? gfs2_reconfigure+0xd30/0xd30
[ 243.364104][ T5497] ? sb_set_blocksize+0xa5/0xe0
[ 243.369244][ T5497] get_tree_bdev+0x3f1/0x610
[ 243.373932][ T5497] ? gfs2_reconfigure+0xd30/0xd30
[ 243.378964][ T5497] gfs2_get_tree+0x4d/0x1e0
[ 243.383503][ T5497] vfs_get_tree+0x88/0x270
[ 243.388288][ T5497] do_new_mount+0x24a/0xa40
[ 243.392799][ T5497] __se_sys_mount+0x2e3/0x3d0
[ 243.397596][ T5497] ? __x64_sys_mount+0xc0/0xc0
[ 243.402748][ T5497] ? lockdep_hardirqs_on+0x94/0x140
[ 243.408434][ T5497] ? __x64_sys_mount+0x1c/0xc0
[ 243.413292][ T5497] do_syscall_64+0x4c/0xa0
[ 243.418595][ T5497] ? clear_bhb_loop+0x30/0x80
[ 243.423295][ T5497] ? clear_bhb_loop+0x30/0x80
[ 243.427995][ T5497] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.434092][ T5497] RIP: 0033:0x7f5d12f8d18a
[ 243.439786][ T5497] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 243.460197][ T5497] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.469672][ T5497] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 243.477735][ T5497] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 243.486138][ T5497] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 243.494202][ T5497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.502563][ T5497] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 243.510802][ T5497]
[ 243.515831][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.529539][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.839804][ T5499] loop1: detected capacity change from 0 to 32768
[ 243.898961][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.906878][ T5499] CPU: 1 PID: 5499 Comm: syz.1.203 Not tainted syzkaller #0
[ 243.914878][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 243.925485][ T5499] Call Trace:
[ 243.928779][ T5499]
[ 243.931716][ T5499] dump_stack_lvl+0x188/0x250
[ 243.936620][ T5499] ? show_regs_print_info+0x20/0x20
[ 243.942197][ T5499] ? load_image+0x400/0x400
[ 243.947170][ T5499] sysfs_create_dir_ns+0x26a/0x290
[ 243.952391][ T5499] ? sysfs_warn_dup+0xa0/0xa0
[ 243.957215][ T5499] ? do_raw_spin_unlock+0x11d/0x230
[ 243.962440][ T5499] kobject_add_internal+0x6e0/0xd90
[ 243.967945][ T5499] kobject_init_and_add+0x128/0x190
[ 243.973604][ T5499] ? lockdep_softirqs_off+0x430/0x430
[ 243.979224][ T5499] ? kobject_add+0x230/0x230
[ 243.983851][ T5499] ? __init_swait_queue_head+0xa5/0x150
[ 243.989566][ T5499] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.994333][ T5499] ? gfs2_recover_set+0x240/0x240
[ 243.999886][ T5499] ? snprintf+0xe5/0x140
[ 244.004137][ T5499] ? __free_pages+0x95/0x1a0
[ 244.008960][ T5499] ? vscnprintf+0x80/0x80
[ 244.013463][ T5499] gfs2_fill_super+0x120f/0x1f00
[ 244.018511][ T5499] ? gfs2_reconfigure+0xd30/0xd30
[ 244.024385][ T5499] ? sb_set_blocksize+0xa5/0xe0
[ 244.031365][ T5499] get_tree_bdev+0x3f1/0x610
[ 244.036157][ T5499] ? gfs2_reconfigure+0xd30/0xd30
[ 244.041693][ T5499] gfs2_get_tree+0x4d/0x1e0
[ 244.046525][ T5499] vfs_get_tree+0x88/0x270
[ 244.051470][ T5499] do_new_mount+0x24a/0xa40
[ 244.056373][ T5499] __se_sys_mount+0x2e3/0x3d0
[ 244.061303][ T5499] ? __x64_sys_mount+0xc0/0xc0
[ 244.066493][ T5499] ? lockdep_hardirqs_on+0x94/0x140
[ 244.071777][ T5499] ? __x64_sys_mount+0x1c/0xc0
[ 244.077955][ T5499] do_syscall_64+0x4c/0xa0
[ 244.083349][ T5499] ? clear_bhb_loop+0x30/0x80
[ 244.088426][ T5499] ? clear_bhb_loop+0x30/0x80
[ 244.093713][ T5499] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.099787][ T5499] RIP: 0033:0x7f5d12f8d18a
[ 244.104216][ T5499] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 244.124896][ T5499] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.133522][ T5499] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 244.142300][ T5499] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 244.150420][ T5499] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 244.158590][ T5499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.166769][ T5499] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 244.175184][ T5499]
[ 244.180357][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.194066][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.486821][ T5501] loop1: detected capacity change from 0 to 32768
[ 244.540479][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.548408][ T5501] CPU: 0 PID: 5501 Comm: syz.1.204 Not tainted syzkaller #0
[ 244.556208][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 244.566777][ T5501] Call Trace:
[ 244.570157][ T5501]
[ 244.573253][ T5501] dump_stack_lvl+0x188/0x250
[ 244.578049][ T5501] ? show_regs_print_info+0x20/0x20
[ 244.583458][ T5501] ? load_image+0x400/0x400
[ 244.588079][ T5501] sysfs_create_dir_ns+0x26a/0x290
[ 244.593213][ T5501] ? sysfs_warn_dup+0xa0/0xa0
[ 244.597918][ T5501] ? do_raw_spin_unlock+0x11d/0x230
[ 244.603667][ T5501] kobject_add_internal+0x6e0/0xd90
[ 244.608922][ T5501] kobject_init_and_add+0x128/0x190
[ 244.614515][ T5501] ? lockdep_softirqs_off+0x430/0x430
[ 244.619994][ T5501] ? kobject_add+0x230/0x230
[ 244.624737][ T5501] ? __init_swait_queue_head+0xa5/0x150
[ 244.630549][ T5501] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.635337][ T5501] ? gfs2_recover_set+0x240/0x240
[ 244.640565][ T5501] ? snprintf+0xe5/0x140
[ 244.645010][ T5501] ? __free_pages+0x95/0x1a0
[ 244.649803][ T5501] ? vscnprintf+0x80/0x80
[ 244.654405][ T5501] gfs2_fill_super+0x120f/0x1f00
[ 244.659394][ T5501] ? gfs2_reconfigure+0xd30/0xd30
[ 244.664440][ T5501] ? sb_set_blocksize+0xa5/0xe0
[ 244.669993][ T5501] get_tree_bdev+0x3f1/0x610
[ 244.674678][ T5501] ? gfs2_reconfigure+0xd30/0xd30
[ 244.681410][ T5501] gfs2_get_tree+0x4d/0x1e0
[ 244.687073][ T5501] vfs_get_tree+0x88/0x270
[ 244.691781][ T5501] do_new_mount+0x24a/0xa40
[ 244.696748][ T5501] __se_sys_mount+0x2e3/0x3d0
[ 244.701898][ T5501] ? __x64_sys_mount+0xc0/0xc0
[ 244.707072][ T5501] ? lockdep_hardirqs_on+0x94/0x140
[ 244.712458][ T5501] ? __x64_sys_mount+0x1c/0xc0
[ 244.718049][ T5501] do_syscall_64+0x4c/0xa0
[ 244.722501][ T5501] ? clear_bhb_loop+0x30/0x80
[ 244.727513][ T5501] ? clear_bhb_loop+0x30/0x80
[ 244.732329][ T5501] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.738482][ T5501] RIP: 0033:0x7f5d12f8d18a
[ 244.743049][ T5501] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 244.764009][ T5501] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.772522][ T5501] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 244.781782][ T5501] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 244.790951][ T5501] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 244.800762][ T5501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.809181][ T5501] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 244.817288][ T5501]
[ 244.820812][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.834541][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.167036][ T5503] loop1: detected capacity change from 0 to 32768
[ 245.183881][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.191797][ T5503] CPU: 1 PID: 5503 Comm: syz.1.205 Not tainted syzkaller #0
[ 245.199322][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 245.209572][ T5503] Call Trace:
[ 245.212949][ T5503]
[ 245.215897][ T5503] dump_stack_lvl+0x188/0x250
[ 245.220810][ T5503] ? show_regs_print_info+0x20/0x20
[ 245.226113][ T5503] ? load_image+0x400/0x400
[ 245.230910][ T5503] sysfs_create_dir_ns+0x26a/0x290
[ 245.236051][ T5503] ? sysfs_warn_dup+0xa0/0xa0
[ 245.240834][ T5503] ? do_raw_spin_unlock+0x11d/0x230
[ 245.246156][ T5503] kobject_add_internal+0x6e0/0xd90
[ 245.251480][ T5503] kobject_init_and_add+0x128/0x190
[ 245.256792][ T5503] ? lockdep_softirqs_off+0x430/0x430
[ 245.262243][ T5503] ? kobject_add+0x230/0x230
[ 245.266878][ T5503] ? __init_swait_queue_head+0xa5/0x150
[ 245.272711][ T5503] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.277483][ T5503] ? gfs2_recover_set+0x240/0x240
[ 245.282688][ T5503] ? snprintf+0xe5/0x140
[ 245.286932][ T5503] ? __free_pages+0x95/0x1a0
[ 245.291521][ T5503] ? vscnprintf+0x80/0x80
[ 245.295958][ T5503] gfs2_fill_super+0x120f/0x1f00
[ 245.300977][ T5503] ? gfs2_reconfigure+0xd30/0xd30
[ 245.306001][ T5503] ? sb_set_blocksize+0xa5/0xe0
[ 245.311040][ T5503] get_tree_bdev+0x3f1/0x610
[ 245.315733][ T5503] ? gfs2_reconfigure+0xd30/0xd30
[ 245.320991][ T5503] gfs2_get_tree+0x4d/0x1e0
[ 245.325635][ T5503] vfs_get_tree+0x88/0x270
[ 245.330162][ T5503] do_new_mount+0x24a/0xa40
[ 245.334707][ T5503] __se_sys_mount+0x2e3/0x3d0
[ 245.339385][ T5503] ? __x64_sys_mount+0xc0/0xc0
[ 245.344228][ T5503] ? lockdep_hardirqs_on+0x94/0x140
[ 245.349510][ T5503] ? __x64_sys_mount+0x1c/0xc0
[ 245.354555][ T5503] do_syscall_64+0x4c/0xa0
[ 245.358959][ T5503] ? clear_bhb_loop+0x30/0x80
[ 245.363766][ T5503] ? clear_bhb_loop+0x30/0x80
[ 245.368448][ T5503] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.374415][ T5503] RIP: 0033:0x7f5d12f8d18a
[ 245.378831][ T5503] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 245.398865][ T5503] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.407398][ T5503] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 245.415466][ T5503] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 245.423514][ T5503] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 245.431565][ T5503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.439801][ T5503] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 245.447778][ T5503]
[ 245.453140][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.466611][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.760868][ T5505] loop1: detected capacity change from 0 to 32768
[ 245.843478][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.851438][ T5505] CPU: 0 PID: 5505 Comm: syz.1.206 Not tainted syzkaller #0
[ 245.858875][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 245.869155][ T5505] Call Trace:
[ 245.872454][ T5505]
[ 245.875496][ T5505] dump_stack_lvl+0x188/0x250
[ 245.880289][ T5505] ? show_regs_print_info+0x20/0x20
[ 245.885508][ T5505] ? load_image+0x400/0x400
[ 245.890037][ T5505] sysfs_create_dir_ns+0x26a/0x290
[ 245.895298][ T5505] ? sysfs_warn_dup+0xa0/0xa0
[ 245.899993][ T5505] ? do_raw_spin_unlock+0x11d/0x230
[ 245.905915][ T5505] kobject_add_internal+0x6e0/0xd90
[ 245.911137][ T5505] kobject_init_and_add+0x128/0x190
[ 245.916337][ T5505] ? lockdep_softirqs_off+0x430/0x430
[ 245.922015][ T5505] ? kobject_add+0x230/0x230
[ 245.926736][ T5505] ? __init_swait_queue_head+0xa5/0x150
[ 245.932299][ T5505] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.937086][ T5505] ? gfs2_recover_set+0x240/0x240
[ 245.942393][ T5505] ? snprintf+0xe5/0x140
[ 245.947166][ T5505] ? __free_pages+0x95/0x1a0
[ 245.951851][ T5505] ? vscnprintf+0x80/0x80
[ 245.956361][ T5505] gfs2_fill_super+0x120f/0x1f00
[ 245.961297][ T5505] ? gfs2_reconfigure+0xd30/0xd30
[ 245.966325][ T5505] ? sb_set_blocksize+0xa5/0xe0
[ 245.971183][ T5505] get_tree_bdev+0x3f1/0x610
[ 245.975795][ T5505] ? gfs2_reconfigure+0xd30/0xd30
[ 245.980925][ T5505] gfs2_get_tree+0x4d/0x1e0
[ 245.985592][ T5505] vfs_get_tree+0x88/0x270
[ 245.990041][ T5505] do_new_mount+0x24a/0xa40
[ 245.994625][ T5505] __se_sys_mount+0x2e3/0x3d0
[ 245.999462][ T5505] ? __x64_sys_mount+0xc0/0xc0
[ 246.004362][ T5505] ? lockdep_hardirqs_on+0x94/0x140
[ 246.009647][ T5505] ? __x64_sys_mount+0x1c/0xc0
[ 246.014410][ T5505] do_syscall_64+0x4c/0xa0
[ 246.018843][ T5505] ? clear_bhb_loop+0x30/0x80
[ 246.023607][ T5505] ? clear_bhb_loop+0x30/0x80
[ 246.028832][ T5505] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.034907][ T5505] RIP: 0033:0x7f5d12f8d18a
[ 246.039339][ T5505] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 246.059934][ T5505] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.069181][ T5505] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 246.079096][ T5505] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 246.088861][ T5505] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 246.098134][ T5505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.106659][ T5505] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 246.115156][ T5505]
[ 246.122651][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.137791][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.457282][ T5507] loop1: detected capacity change from 0 to 32768
[ 246.511642][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.521021][ T5507] CPU: 0 PID: 5507 Comm: syz.1.207 Not tainted syzkaller #0
[ 246.529296][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 246.541014][ T5507] Call Trace:
[ 246.545134][ T5507]
[ 246.548092][ T5507] dump_stack_lvl+0x188/0x250
[ 246.554294][ T5507] ? show_regs_print_info+0x20/0x20
[ 246.560309][ T5507] ? load_image+0x400/0x400
[ 246.566082][ T5507] sysfs_create_dir_ns+0x26a/0x290
[ 246.571609][ T5507] ? sysfs_warn_dup+0xa0/0xa0
[ 246.577612][ T5507] ? do_raw_spin_unlock+0x11d/0x230
[ 246.585159][ T5507] kobject_add_internal+0x6e0/0xd90
[ 246.591718][ T5507] kobject_init_and_add+0x128/0x190
[ 246.599336][ T5507] ? lockdep_softirqs_off+0x430/0x430
[ 246.605141][ T5507] ? kobject_add+0x230/0x230
[ 246.610373][ T5507] ? __init_swait_queue_head+0xa5/0x150
[ 246.618192][ T5507] gfs2_sys_fs_add+0x24f/0x4b0
[ 246.624299][ T5507] ? gfs2_recover_set+0x240/0x240
[ 246.631038][ T5507] ? snprintf+0xe5/0x140
[ 246.635742][ T5507] ? __free_pages+0x95/0x1a0
[ 246.641183][ T5507] ? vscnprintf+0x80/0x80
[ 246.645629][ T5507] gfs2_fill_super+0x120f/0x1f00
[ 246.651089][ T5507] ? gfs2_reconfigure+0xd30/0xd30
[ 246.657844][ T5507] ? sb_set_blocksize+0xa5/0xe0
[ 246.662945][ T5507] get_tree_bdev+0x3f1/0x610
[ 246.667839][ T5507] ? gfs2_reconfigure+0xd30/0xd30
[ 246.673826][ T5507] gfs2_get_tree+0x4d/0x1e0
[ 246.678531][ T5507] vfs_get_tree+0x88/0x270
[ 246.683549][ T5507] do_new_mount+0x24a/0xa40
[ 246.689232][ T5507] __se_sys_mount+0x2e3/0x3d0
[ 246.694254][ T5507] ? __x64_sys_mount+0xc0/0xc0
[ 246.700115][ T5507] ? lockdep_hardirqs_on+0x94/0x140
[ 246.705999][ T5507] ? __x64_sys_mount+0x1c/0xc0
[ 246.711205][ T5507] do_syscall_64+0x4c/0xa0
[ 246.715894][ T5507] ? clear_bhb_loop+0x30/0x80
[ 246.720768][ T5507] ? clear_bhb_loop+0x30/0x80
[ 246.725840][ T5507] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.732194][ T5507] RIP: 0033:0x7f5d12f8d18a
[ 246.737023][ T5507] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 246.757923][ T5507] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.766417][ T5507] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 246.774563][ T5507] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 246.782802][ T5507] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 246.791976][ T5507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.800384][ T5507] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 246.808742][ T5507]
[ 246.812323][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.826638][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.134085][ T5509] loop1: detected capacity change from 0 to 32768
[ 247.176136][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.187772][ T5509] CPU: 1 PID: 5509 Comm: syz.1.208 Not tainted syzkaller #0
[ 247.196302][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 247.206471][ T5509] Call Trace:
[ 247.209945][ T5509]
[ 247.213050][ T5509] dump_stack_lvl+0x188/0x250
[ 247.217842][ T5509] ? show_regs_print_info+0x20/0x20
[ 247.223331][ T5509] ? load_image+0x400/0x400
[ 247.227860][ T5509] sysfs_create_dir_ns+0x26a/0x290
[ 247.233371][ T5509] ? sysfs_warn_dup+0xa0/0xa0
[ 247.238079][ T5509] ? do_raw_spin_unlock+0x11d/0x230
[ 247.243303][ T5509] kobject_add_internal+0x6e0/0xd90
[ 247.248699][ T5509] kobject_init_and_add+0x128/0x190
[ 247.253928][ T5509] ? lockdep_softirqs_off+0x430/0x430
[ 247.259504][ T5509] ? kobject_add+0x230/0x230
[ 247.264212][ T5509] ? __init_swait_queue_head+0xa5/0x150
[ 247.270285][ T5509] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.275451][ T5509] ? gfs2_recover_set+0x240/0x240
[ 247.280495][ T5509] ? snprintf+0xe5/0x140
[ 247.284974][ T5509] ? __free_pages+0x95/0x1a0
[ 247.289750][ T5509] ? vscnprintf+0x80/0x80
[ 247.294273][ T5509] gfs2_fill_super+0x120f/0x1f00
[ 247.299629][ T5509] ? gfs2_reconfigure+0xd30/0xd30
[ 247.305208][ T5509] ? sb_set_blocksize+0xa5/0xe0
[ 247.310875][ T5509] get_tree_bdev+0x3f1/0x610
[ 247.315558][ T5509] ? gfs2_reconfigure+0xd30/0xd30
[ 247.321037][ T5509] gfs2_get_tree+0x4d/0x1e0
[ 247.325570][ T5509] vfs_get_tree+0x88/0x270
[ 247.330224][ T5509] do_new_mount+0x24a/0xa40
[ 247.334755][ T5509] __se_sys_mount+0x2e3/0x3d0
[ 247.339422][ T5509] ? __x64_sys_mount+0xc0/0xc0
[ 247.344471][ T5509] ? lockdep_hardirqs_on+0x94/0x140
[ 247.349892][ T5509] ? __x64_sys_mount+0x1c/0xc0
[ 247.354694][ T5509] do_syscall_64+0x4c/0xa0
[ 247.359131][ T5509] ? clear_bhb_loop+0x30/0x80
[ 247.363911][ T5509] ? clear_bhb_loop+0x30/0x80
[ 247.368673][ T5509] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.374749][ T5509] RIP: 0033:0x7f5d12f8d18a
[ 247.380605][ T5509] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 247.400564][ T5509] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.409673][ T5509] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 247.418133][ T5509] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 247.426653][ T5509] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 247.434621][ T5509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.443225][ T5509] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 247.451655][ T5509]
[ 247.456327][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.470436][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/25 21:29:35 executed programs: 194
[ 247.796396][ T5511] loop1: detected capacity change from 0 to 32768
[ 247.896601][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.904542][ T5511] CPU: 1 PID: 5511 Comm: syz.1.209 Not tainted syzkaller #0
[ 247.913716][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 247.924261][ T5511] Call Trace:
[ 247.927568][ T5511]
[ 247.930511][ T5511] dump_stack_lvl+0x188/0x250
[ 247.935478][ T5511] ? show_regs_print_info+0x20/0x20
[ 247.940787][ T5511] ? load_image+0x400/0x400
[ 247.945608][ T5511] sysfs_create_dir_ns+0x26a/0x290
[ 247.950912][ T5511] ? sysfs_warn_dup+0xa0/0xa0
[ 247.955585][ T5511] ? do_raw_spin_unlock+0x11d/0x230
[ 247.960873][ T5511] kobject_add_internal+0x6e0/0xd90
[ 247.966507][ T5511] kobject_init_and_add+0x128/0x190
[ 247.972073][ T5511] ? lockdep_softirqs_off+0x430/0x430
[ 247.977565][ T5511] ? kobject_add+0x230/0x230
[ 247.982156][ T5511] ? __init_swait_queue_head+0xa5/0x150
[ 247.988024][ T5511] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.992793][ T5511] ? gfs2_recover_set+0x240/0x240
[ 247.997942][ T5511] ? snprintf+0xe5/0x140
[ 248.002173][ T5511] ? __free_pages+0x95/0x1a0
[ 248.007079][ T5511] ? vscnprintf+0x80/0x80
[ 248.011630][ T5511] gfs2_fill_super+0x120f/0x1f00
[ 248.016749][ T5511] ? gfs2_reconfigure+0xd30/0xd30
[ 248.021775][ T5511] ? sb_set_blocksize+0xa5/0xe0
[ 248.026700][ T5511] get_tree_bdev+0x3f1/0x610
[ 248.031291][ T5511] ? gfs2_reconfigure+0xd30/0xd30
[ 248.036419][ T5511] gfs2_get_tree+0x4d/0x1e0
[ 248.041246][ T5511] vfs_get_tree+0x88/0x270
[ 248.045757][ T5511] do_new_mount+0x24a/0xa40
[ 248.050347][ T5511] __se_sys_mount+0x2e3/0x3d0
[ 248.055546][ T5511] ? __x64_sys_mount+0xc0/0xc0
[ 248.060401][ T5511] ? lockdep_hardirqs_on+0x94/0x140
[ 248.065697][ T5511] ? __x64_sys_mount+0x1c/0xc0
[ 248.070562][ T5511] do_syscall_64+0x4c/0xa0
[ 248.075077][ T5511] ? clear_bhb_loop+0x30/0x80
[ 248.079872][ T5511] ? clear_bhb_loop+0x30/0x80
[ 248.084729][ T5511] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.090637][ T5511] RIP: 0033:0x7f5d12f8d18a
[ 248.095057][ T5511] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 248.115480][ T5511] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.124061][ T5511] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 248.132027][ T5511] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 248.139998][ T5511] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 248.148133][ T5511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.156443][ T5511] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 248.164898][ T5511]
[ 248.169864][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.183608][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.467708][ T5513] loop1: detected capacity change from 0 to 32768
[ 248.555249][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.564333][ T5513] CPU: 0 PID: 5513 Comm: syz.1.210 Not tainted syzkaller #0
[ 248.571646][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 248.582129][ T5513] Call Trace:
[ 248.585596][ T5513]
[ 248.588688][ T5513] dump_stack_lvl+0x188/0x250
[ 248.593581][ T5513] ? show_regs_print_info+0x20/0x20
[ 248.598990][ T5513] ? load_image+0x400/0x400
[ 248.603705][ T5513] sysfs_create_dir_ns+0x26a/0x290
[ 248.608838][ T5513] ? sysfs_warn_dup+0xa0/0xa0
[ 248.613525][ T5513] ? do_raw_spin_unlock+0x11d/0x230
[ 248.618817][ T5513] kobject_add_internal+0x6e0/0xd90
[ 248.624104][ T5513] kobject_init_and_add+0x128/0x190
[ 248.629402][ T5513] ? lockdep_softirqs_off+0x430/0x430
[ 248.635038][ T5513] ? kobject_add+0x230/0x230
[ 248.639631][ T5513] ? __init_swait_queue_head+0xa5/0x150
[ 248.645523][ T5513] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.650304][ T5513] ? gfs2_recover_set+0x240/0x240
[ 248.655625][ T5513] ? snprintf+0xe5/0x140
[ 248.659869][ T5513] ? __free_pages+0x95/0x1a0
[ 248.664490][ T5513] ? vscnprintf+0x80/0x80
[ 248.668885][ T5513] gfs2_fill_super+0x120f/0x1f00
[ 248.674011][ T5513] ? gfs2_reconfigure+0xd30/0xd30
[ 248.680933][ T5513] ? sb_set_blocksize+0xa5/0xe0
[ 248.686056][ T5513] get_tree_bdev+0x3f1/0x610
[ 248.691532][ T5513] ? gfs2_reconfigure+0xd30/0xd30
[ 248.696755][ T5513] gfs2_get_tree+0x4d/0x1e0
[ 248.701553][ T5513] vfs_get_tree+0x88/0x270
[ 248.706832][ T5513] do_new_mount+0x24a/0xa40
[ 248.711402][ T5513] __se_sys_mount+0x2e3/0x3d0
[ 248.716178][ T5513] ? __x64_sys_mount+0xc0/0xc0
[ 248.721731][ T5513] ? lockdep_hardirqs_on+0x94/0x140
[ 248.727225][ T5513] ? __x64_sys_mount+0x1c/0xc0
[ 248.732023][ T5513] do_syscall_64+0x4c/0xa0
[ 248.736679][ T5513] ? clear_bhb_loop+0x30/0x80
[ 248.741711][ T5513] ? clear_bhb_loop+0x30/0x80
[ 248.746792][ T5513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.752685][ T5513] RIP: 0033:0x7f5d12f8d18a
[ 248.757095][ T5513] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 248.777237][ T5513] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.785825][ T5513] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 248.794079][ T5513] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 248.802485][ T5513] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 248.810637][ T5513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.818611][ T5513] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 248.826585][ T5513]
[ 248.830415][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.843940][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.148201][ T5515] loop1: detected capacity change from 0 to 32768
[ 249.201183][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.209003][ T5515] CPU: 1 PID: 5515 Comm: syz.1.211 Not tainted syzkaller #0
[ 249.216976][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 249.227047][ T5515] Call Trace:
[ 249.230335][ T5515]
[ 249.233275][ T5515] dump_stack_lvl+0x188/0x250
[ 249.237971][ T5515] ? show_regs_print_info+0x20/0x20
[ 249.243190][ T5515] ? load_image+0x400/0x400
[ 249.247721][ T5515] sysfs_create_dir_ns+0x26a/0x290
[ 249.252860][ T5515] ? sysfs_warn_dup+0xa0/0xa0
[ 249.257749][ T5515] ? do_raw_spin_unlock+0x11d/0x230
[ 249.262977][ T5515] kobject_add_internal+0x6e0/0xd90
[ 249.268194][ T5515] kobject_init_and_add+0x128/0x190
[ 249.273409][ T5515] ? lockdep_softirqs_off+0x430/0x430
[ 249.278775][ T5515] ? kobject_add+0x230/0x230
[ 249.283503][ T5515] ? __init_swait_queue_head+0xa5/0x150
[ 249.289163][ T5515] gfs2_sys_fs_add+0x24f/0x4b0
[ 249.294530][ T5515] ? gfs2_recover_set+0x240/0x240
[ 249.299937][ T5515] ? snprintf+0xe5/0x140
[ 249.304302][ T5515] ? __free_pages+0x95/0x1a0
[ 249.308922][ T5515] ? vscnprintf+0x80/0x80
[ 249.313411][ T5515] gfs2_fill_super+0x120f/0x1f00
[ 249.318372][ T5515] ? gfs2_reconfigure+0xd30/0xd30
[ 249.323428][ T5515] ? sb_set_blocksize+0xa5/0xe0
[ 249.328375][ T5515] get_tree_bdev+0x3f1/0x610
[ 249.333044][ T5515] ? gfs2_reconfigure+0xd30/0xd30
[ 249.338312][ T5515] gfs2_get_tree+0x4d/0x1e0
[ 249.342927][ T5515] vfs_get_tree+0x88/0x270
[ 249.347439][ T5515] do_new_mount+0x24a/0xa40
[ 249.351944][ T5515] __se_sys_mount+0x2e3/0x3d0
[ 249.356901][ T5515] ? __x64_sys_mount+0xc0/0xc0
[ 249.361786][ T5515] ? lockdep_hardirqs_on+0x94/0x140
[ 249.367120][ T5515] ? __x64_sys_mount+0x1c/0xc0
[ 249.371910][ T5515] do_syscall_64+0x4c/0xa0
[ 249.376428][ T5515] ? clear_bhb_loop+0x30/0x80
[ 249.381272][ T5515] ? clear_bhb_loop+0x30/0x80
[ 249.386111][ T5515] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.392994][ T5515] RIP: 0033:0x7f5d12f8d18a
[ 249.397633][ T5515] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 249.420080][ T5515] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.428762][ T5515] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 249.436977][ T5515] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 249.445211][ T5515] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 249.453353][ T5515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.461435][ T5515] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 249.469513][ T5515]
[ 249.474323][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.488490][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.829644][ T5517] loop1: detected capacity change from 0 to 32768
[ 249.883628][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.891246][ T5517] CPU: 0 PID: 5517 Comm: syz.1.212 Not tainted syzkaller #0
[ 249.898641][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 249.909126][ T5517] Call Trace:
[ 249.912425][ T5517]
[ 249.915522][ T5517] dump_stack_lvl+0x188/0x250
[ 249.920460][ T5517] ? show_regs_print_info+0x20/0x20
[ 249.926381][ T5517] ? load_image+0x400/0x400
[ 249.930925][ T5517] sysfs_create_dir_ns+0x26a/0x290
[ 249.936333][ T5517] ? sysfs_warn_dup+0xa0/0xa0
[ 249.941491][ T5517] ? do_raw_spin_unlock+0x11d/0x230
[ 249.946941][ T5517] kobject_add_internal+0x6e0/0xd90
[ 249.952253][ T5517] kobject_init_and_add+0x128/0x190
[ 249.957757][ T5517] ? lockdep_softirqs_off+0x430/0x430
[ 249.963185][ T5517] ? kobject_add+0x230/0x230
[ 249.968163][ T5517] ? __init_swait_queue_head+0xa5/0x150
[ 249.973994][ T5517] gfs2_sys_fs_add+0x24f/0x4b0
[ 249.979143][ T5517] ? gfs2_recover_set+0x240/0x240
[ 249.984263][ T5517] ? snprintf+0xe5/0x140
[ 249.988515][ T5517] ? __free_pages+0x95/0x1a0
[ 249.993336][ T5517] ? vscnprintf+0x80/0x80
[ 249.997678][ T5517] gfs2_fill_super+0x120f/0x1f00
[ 250.002612][ T5517] ? gfs2_reconfigure+0xd30/0xd30
[ 250.007656][ T5517] ? sb_set_blocksize+0xa5/0xe0
[ 250.012625][ T5517] get_tree_bdev+0x3f1/0x610
[ 250.017392][ T5517] ? gfs2_reconfigure+0xd30/0xd30
[ 250.022797][ T5517] gfs2_get_tree+0x4d/0x1e0
[ 250.027593][ T5517] vfs_get_tree+0x88/0x270
[ 250.032142][ T5517] do_new_mount+0x24a/0xa40
[ 250.036646][ T5517] __se_sys_mount+0x2e3/0x3d0
[ 250.041338][ T5517] ? __x64_sys_mount+0xc0/0xc0
[ 250.046360][ T5517] ? lockdep_hardirqs_on+0x94/0x140
[ 250.051767][ T5517] ? __x64_sys_mount+0x1c/0xc0
[ 250.056542][ T5517] do_syscall_64+0x4c/0xa0
[ 250.060979][ T5517] ? clear_bhb_loop+0x30/0x80
[ 250.065743][ T5517] ? clear_bhb_loop+0x30/0x80
[ 250.071002][ T5517] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.077276][ T5517] RIP: 0033:0x7f5d12f8d18a
[ 250.082367][ T5517] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 250.102404][ T5517] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.110829][ T5517] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 250.118825][ T5517] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 250.127270][ T5517] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 250.135812][ T5517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.143899][ T5517] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 250.152559][ T5517]
[ 250.157036][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.170458][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.491008][ T5519] loop1: detected capacity change from 0 to 32768
[ 250.575385][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.583396][ T5519] CPU: 0 PID: 5519 Comm: syz.1.213 Not tainted syzkaller #0
[ 250.591159][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 250.601590][ T5519] Call Trace:
[ 250.605325][ T5519]
[ 250.608535][ T5519] dump_stack_lvl+0x188/0x250
[ 250.613513][ T5519] ? show_regs_print_info+0x20/0x20
[ 250.618822][ T5519] ? load_image+0x400/0x400
[ 250.623340][ T5519] sysfs_create_dir_ns+0x26a/0x290
[ 250.628465][ T5519] ? sysfs_warn_dup+0xa0/0xa0
[ 250.633247][ T5519] ? do_raw_spin_unlock+0x11d/0x230
[ 250.638504][ T5519] kobject_add_internal+0x6e0/0xd90
[ 250.643799][ T5519] kobject_init_and_add+0x128/0x190
[ 250.649152][ T5519] ? lockdep_softirqs_off+0x430/0x430
[ 250.654762][ T5519] ? kobject_add+0x230/0x230
[ 250.659465][ T5519] ? __init_swait_queue_head+0xa5/0x150
[ 250.665238][ T5519] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.670057][ T5519] ? gfs2_recover_set+0x240/0x240
[ 250.675408][ T5519] ? snprintf+0xe5/0x140
[ 250.679864][ T5519] ? __free_pages+0x95/0x1a0
[ 250.685128][ T5519] ? vscnprintf+0x80/0x80
[ 250.689686][ T5519] gfs2_fill_super+0x120f/0x1f00
[ 250.694727][ T5519] ? gfs2_reconfigure+0xd30/0xd30
[ 250.699869][ T5519] ? sb_set_blocksize+0xa5/0xe0
[ 250.704822][ T5519] get_tree_bdev+0x3f1/0x610
[ 250.709518][ T5519] ? gfs2_reconfigure+0xd30/0xd30
[ 250.714543][ T5519] gfs2_get_tree+0x4d/0x1e0
[ 250.719825][ T5519] vfs_get_tree+0x88/0x270
[ 250.724251][ T5519] do_new_mount+0x24a/0xa40
[ 250.728844][ T5519] __se_sys_mount+0x2e3/0x3d0
[ 250.733954][ T5519] ? __x64_sys_mount+0xc0/0xc0
[ 250.738832][ T5519] ? lockdep_hardirqs_on+0x94/0x140
[ 250.744110][ T5519] ? __x64_sys_mount+0x1c/0xc0
[ 250.749175][ T5519] do_syscall_64+0x4c/0xa0
[ 250.753704][ T5519] ? clear_bhb_loop+0x30/0x80
[ 250.758432][ T5519] ? clear_bhb_loop+0x30/0x80
[ 250.763174][ T5519] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.769152][ T5519] RIP: 0033:0x7f5d12f8d18a
[ 250.773554][ T5519] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 250.794518][ T5519] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.803359][ T5519] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 250.811671][ T5519] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 250.819637][ T5519] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 250.827710][ T5519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.836813][ T5519] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 250.845346][ T5519]
[ 250.849353][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.863349][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.182262][ T5521] loop1: detected capacity change from 0 to 32768
[ 251.229527][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.237053][ T5521] CPU: 0 PID: 5521 Comm: syz.1.214 Not tainted syzkaller #0
[ 251.244523][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 251.255021][ T5521] Call Trace:
[ 251.258313][ T5521]
[ 251.261350][ T5521] dump_stack_lvl+0x188/0x250
[ 251.266062][ T5521] ? show_regs_print_info+0x20/0x20
[ 251.271646][ T5521] ? load_image+0x400/0x400
[ 251.276357][ T5521] sysfs_create_dir_ns+0x26a/0x290
[ 251.281488][ T5521] ? sysfs_warn_dup+0xa0/0xa0
[ 251.286310][ T5521] ? do_raw_spin_unlock+0x11d/0x230
[ 251.291716][ T5521] kobject_add_internal+0x6e0/0xd90
[ 251.297461][ T5521] kobject_init_and_add+0x128/0x190
[ 251.302786][ T5521] ? lockdep_softirqs_off+0x430/0x430
[ 251.309070][ T5521] ? kobject_add+0x230/0x230
[ 251.314223][ T5521] ? __init_swait_queue_head+0xa5/0x150
[ 251.319934][ T5521] gfs2_sys_fs_add+0x24f/0x4b0
[ 251.324809][ T5521] ? gfs2_recover_set+0x240/0x240
[ 251.330037][ T5521] ? snprintf+0xe5/0x140
[ 251.334318][ T5521] ? __free_pages+0x95/0x1a0
[ 251.339115][ T5521] ? vscnprintf+0x80/0x80
[ 251.343726][ T5521] gfs2_fill_super+0x120f/0x1f00
[ 251.348816][ T5521] ? gfs2_reconfigure+0xd30/0xd30
[ 251.353852][ T5521] ? sb_set_blocksize+0xa5/0xe0
[ 251.358712][ T5521] get_tree_bdev+0x3f1/0x610
[ 251.363462][ T5521] ? gfs2_reconfigure+0xd30/0xd30
[ 251.368979][ T5521] gfs2_get_tree+0x4d/0x1e0
[ 251.373924][ T5521] vfs_get_tree+0x88/0x270
[ 251.378349][ T5521] do_new_mount+0x24a/0xa40
[ 251.383197][ T5521] __se_sys_mount+0x2e3/0x3d0
[ 251.387885][ T5521] ? __x64_sys_mount+0xc0/0xc0
[ 251.392655][ T5521] ? lockdep_hardirqs_on+0x94/0x140
[ 251.397862][ T5521] ? __x64_sys_mount+0x1c/0xc0
[ 251.402640][ T5521] do_syscall_64+0x4c/0xa0
[ 251.407063][ T5521] ? clear_bhb_loop+0x30/0x80
[ 251.411783][ T5521] ? clear_bhb_loop+0x30/0x80
[ 251.417079][ T5521] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.423358][ T5521] RIP: 0033:0x7f5d12f8d18a
[ 251.428043][ T5521] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 251.447942][ T5521] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.456356][ T5521] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 251.464651][ T5521] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 251.472959][ T5521] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 251.481021][ T5521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.488987][ T5521] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 251.497100][ T5521]
[ 251.504051][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.517970][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.822535][ T5523] loop1: detected capacity change from 0 to 32768
[ 251.874012][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.881623][ T5523] CPU: 1 PID: 5523 Comm: syz.1.215 Not tainted syzkaller #0
[ 251.889024][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 251.899536][ T5523] Call Trace:
[ 251.902915][ T5523]
[ 251.905946][ T5523] dump_stack_lvl+0x188/0x250
[ 251.910745][ T5523] ? show_regs_print_info+0x20/0x20
[ 251.915966][ T5523] ? load_image+0x400/0x400
[ 251.920584][ T5523] sysfs_create_dir_ns+0x26a/0x290
[ 251.925972][ T5523] ? sysfs_warn_dup+0xa0/0xa0
[ 251.930703][ T5523] ? do_raw_spin_unlock+0x11d/0x230
[ 251.936012][ T5523] kobject_add_internal+0x6e0/0xd90
[ 251.941246][ T5523] kobject_init_and_add+0x128/0x190
[ 251.946818][ T5523] ? lockdep_softirqs_off+0x430/0x430
[ 251.952213][ T5523] ? kobject_add+0x230/0x230
[ 251.956824][ T5523] ? __init_swait_queue_head+0xa5/0x150
[ 251.962391][ T5523] gfs2_sys_fs_add+0x24f/0x4b0
[ 251.967171][ T5523] ? gfs2_recover_set+0x240/0x240
[ 251.972190][ T5523] ? snprintf+0xe5/0x140
[ 251.976433][ T5523] ? __free_pages+0x95/0x1a0
[ 251.981013][ T5523] ? vscnprintf+0x80/0x80
[ 251.985343][ T5523] gfs2_fill_super+0x120f/0x1f00
[ 251.990287][ T5523] ? gfs2_reconfigure+0xd30/0xd30
[ 251.995622][ T5523] ? sb_set_blocksize+0xa5/0xe0
[ 252.000479][ T5523] get_tree_bdev+0x3f1/0x610
[ 252.005282][ T5523] ? gfs2_reconfigure+0xd30/0xd30
[ 252.010626][ T5523] gfs2_get_tree+0x4d/0x1e0
[ 252.015136][ T5523] vfs_get_tree+0x88/0x270
[ 252.019830][ T5523] do_new_mount+0x24a/0xa40
[ 252.024578][ T5523] __se_sys_mount+0x2e3/0x3d0
[ 252.029437][ T5523] ? __x64_sys_mount+0xc0/0xc0
[ 252.034387][ T5523] ? lockdep_hardirqs_on+0x94/0x140
[ 252.039914][ T5523] ? __x64_sys_mount+0x1c/0xc0
[ 252.044879][ T5523] do_syscall_64+0x4c/0xa0
[ 252.049480][ T5523] ? clear_bhb_loop+0x30/0x80
[ 252.054625][ T5523] ? clear_bhb_loop+0x30/0x80
[ 252.059312][ T5523] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.065234][ T5523] RIP: 0033:0x7f5d12f8d18a
[ 252.069877][ T5523] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 252.090717][ T5523] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.099612][ T5523] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 252.108279][ T5523] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 252.116622][ T5523] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 252.124709][ T5523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.132773][ T5523] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 252.140814][ T5523]
[ 252.146058][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.160635][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.448069][ T5525] loop1: detected capacity change from 0 to 32768
[ 252.522922][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.530438][ T5525] CPU: 1 PID: 5525 Comm: syz.1.216 Not tainted syzkaller #0
[ 252.537842][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 252.548061][ T5525] Call Trace:
[ 252.551613][ T5525]
[ 252.554552][ T5525] dump_stack_lvl+0x188/0x250
[ 252.559338][ T5525] ? show_regs_print_info+0x20/0x20
[ 252.564646][ T5525] ? load_image+0x400/0x400
[ 252.569267][ T5525] sysfs_create_dir_ns+0x26a/0x290
[ 252.574392][ T5525] ? sysfs_warn_dup+0xa0/0xa0
[ 252.579177][ T5525] ? do_raw_spin_unlock+0x11d/0x230
[ 252.584396][ T5525] kobject_add_internal+0x6e0/0xd90
[ 252.589626][ T5525] kobject_init_and_add+0x128/0x190
[ 252.595196][ T5525] ? lockdep_softirqs_off+0x430/0x430
[ 252.600598][ T5525] ? kobject_add+0x230/0x230
[ 252.605219][ T5525] ? __init_swait_queue_head+0xa5/0x150
[ 252.610784][ T5525] gfs2_sys_fs_add+0x24f/0x4b0
[ 252.615549][ T5525] ? gfs2_recover_set+0x240/0x240
[ 252.620566][ T5525] ? snprintf+0xe5/0x140
[ 252.624801][ T5525] ? __free_pages+0x95/0x1a0
[ 252.629675][ T5525] ? vscnprintf+0x80/0x80
[ 252.634261][ T5525] gfs2_fill_super+0x120f/0x1f00
[ 252.639203][ T5525] ? gfs2_reconfigure+0xd30/0xd30
[ 252.644226][ T5525] ? sb_set_blocksize+0xa5/0xe0
[ 252.649078][ T5525] get_tree_bdev+0x3f1/0x610
[ 252.653747][ T5525] ? gfs2_reconfigure+0xd30/0xd30
[ 252.658942][ T5525] gfs2_get_tree+0x4d/0x1e0
[ 252.663524][ T5525] vfs_get_tree+0x88/0x270
[ 252.667931][ T5525] do_new_mount+0x24a/0xa40
[ 252.672613][ T5525] __se_sys_mount+0x2e3/0x3d0
[ 252.677356][ T5525] ? __x64_sys_mount+0xc0/0xc0
[ 252.682117][ T5525] ? lockdep_hardirqs_on+0x94/0x140
[ 252.687398][ T5525] ? __x64_sys_mount+0x1c/0xc0
[ 252.692243][ T5525] do_syscall_64+0x4c/0xa0
[ 252.696756][ T5525] ? clear_bhb_loop+0x30/0x80
[ 252.701876][ T5525] ? clear_bhb_loop+0x30/0x80
[ 252.707281][ T5525] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.713256][ T5525] RIP: 0033:0x7f5d12f8d18a
[ 252.718183][ T5525] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 252.738237][ T5525] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.746654][ T5525] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 252.754883][ T5525] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 252.762843][ T5525] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 252.771249][ T5525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.779815][ T5525] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 252.788293][ T5525]
[ 252.792969][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.807206][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/25 21:29:41 executed programs: 202
[ 253.105061][ T5527] loop1: detected capacity change from 0 to 32768
[ 253.153792][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.161298][ T5527] CPU: 0 PID: 5527 Comm: syz.1.217 Not tainted syzkaller #0
[ 253.168938][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 253.179293][ T5527] Call Trace:
[ 253.182672][ T5527]
[ 253.185733][ T5527] dump_stack_lvl+0x188/0x250
[ 253.190437][ T5527] ? show_regs_print_info+0x20/0x20
[ 253.195735][ T5527] ? load_image+0x400/0x400
[ 253.200994][ T5527] sysfs_create_dir_ns+0x26a/0x290
[ 253.206211][ T5527] ? sysfs_warn_dup+0xa0/0xa0
[ 253.211354][ T5527] ? do_raw_spin_unlock+0x11d/0x230
[ 253.216656][ T5527] kobject_add_internal+0x6e0/0xd90
[ 253.221987][ T5527] kobject_init_and_add+0x128/0x190
[ 253.227388][ T5527] ? lockdep_softirqs_off+0x430/0x430
[ 253.233096][ T5527] ? kobject_add+0x230/0x230
[ 253.237694][ T5527] ? __init_swait_queue_head+0xa5/0x150
[ 253.243425][ T5527] gfs2_sys_fs_add+0x24f/0x4b0
[ 253.248265][ T5527] ? gfs2_recover_set+0x240/0x240
[ 253.253469][ T5527] ? snprintf+0xe5/0x140
[ 253.257708][ T5527] ? __free_pages+0x95/0x1a0
[ 253.262389][ T5527] ? vscnprintf+0x80/0x80
[ 253.266744][ T5527] gfs2_fill_super+0x120f/0x1f00
[ 253.271684][ T5527] ? gfs2_reconfigure+0xd30/0xd30
[ 253.276996][ T5527] ? sb_set_blocksize+0xa5/0xe0
[ 253.281954][ T5527] get_tree_bdev+0x3f1/0x610
[ 253.286820][ T5527] ? gfs2_reconfigure+0xd30/0xd30
[ 253.291856][ T5527] gfs2_get_tree+0x4d/0x1e0
[ 253.296476][ T5527] vfs_get_tree+0x88/0x270
[ 253.301675][ T5527] do_new_mount+0x24a/0xa40
[ 253.306414][ T5527] __se_sys_mount+0x2e3/0x3d0
[ 253.311207][ T5527] ? __x64_sys_mount+0xc0/0xc0
[ 253.316242][ T5527] ? lockdep_hardirqs_on+0x94/0x140
[ 253.321612][ T5527] ? __x64_sys_mount+0x1c/0xc0
[ 253.326566][ T5527] do_syscall_64+0x4c/0xa0
[ 253.331326][ T5527] ? clear_bhb_loop+0x30/0x80
[ 253.336223][ T5527] ? clear_bhb_loop+0x30/0x80
[ 253.341054][ T5527] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.347045][ T5527] RIP: 0033:0x7f5d12f8d18a
[ 253.351458][ T5527] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 253.371349][ T5527] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.379932][ T5527] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 253.387909][ T5527] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 253.395975][ T5527] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 253.404125][ T5527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.412286][ T5527] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 253.420559][ T5527]
[ 253.424124][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.437688][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.742891][ T5529] loop1: detected capacity change from 0 to 32768
[ 253.791685][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.799571][ T5529] CPU: 0 PID: 5529 Comm: syz.1.218 Not tainted syzkaller #0
[ 253.807050][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 253.817398][ T5529] Call Trace:
[ 253.820702][ T5529]
[ 253.823648][ T5529] dump_stack_lvl+0x188/0x250
[ 253.828906][ T5529] ? show_regs_print_info+0x20/0x20
[ 253.834292][ T5529] ? load_image+0x400/0x400
[ 253.838824][ T5529] sysfs_create_dir_ns+0x26a/0x290
[ 253.843960][ T5529] ? sysfs_warn_dup+0xa0/0xa0
[ 253.849255][ T5529] ? do_raw_spin_unlock+0x11d/0x230
[ 253.854730][ T5529] kobject_add_internal+0x6e0/0xd90
[ 253.860048][ T5529] kobject_init_and_add+0x128/0x190
[ 253.865266][ T5529] ? lockdep_softirqs_off+0x430/0x430
[ 253.870850][ T5529] ? kobject_add+0x230/0x230
[ 253.875580][ T5529] ? __init_swait_queue_head+0xa5/0x150
[ 253.881371][ T5529] gfs2_sys_fs_add+0x24f/0x4b0
[ 253.886239][ T5529] ? gfs2_recover_set+0x240/0x240
[ 253.891680][ T5529] ? snprintf+0xe5/0x140
[ 253.896086][ T5529] ? __free_pages+0x95/0x1a0
[ 253.900679][ T5529] ? vscnprintf+0x80/0x80
[ 253.905028][ T5529] gfs2_fill_super+0x120f/0x1f00
[ 253.910204][ T5529] ? gfs2_reconfigure+0xd30/0xd30
[ 253.915331][ T5529] ? sb_set_blocksize+0xa5/0xe0
[ 253.920284][ T5529] get_tree_bdev+0x3f1/0x610
[ 253.924969][ T5529] ? gfs2_reconfigure+0xd30/0xd30
[ 253.930162][ T5529] gfs2_get_tree+0x4d/0x1e0
[ 253.934652][ T5529] vfs_get_tree+0x88/0x270
[ 253.939154][ T5529] do_new_mount+0x24a/0xa40
[ 253.943769][ T5529] __se_sys_mount+0x2e3/0x3d0
[ 253.948697][ T5529] ? __x64_sys_mount+0xc0/0xc0
[ 253.953479][ T5529] ? lockdep_hardirqs_on+0x94/0x140
[ 253.958703][ T5529] ? __x64_sys_mount+0x1c/0xc0
[ 253.963469][ T5529] do_syscall_64+0x4c/0xa0
[ 253.968092][ T5529] ? clear_bhb_loop+0x30/0x80
[ 253.972853][ T5529] ? clear_bhb_loop+0x30/0x80
[ 253.977864][ T5529] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.983922][ T5529] RIP: 0033:0x7f5d12f8d18a
[ 253.988418][ T5529] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 254.009123][ T5529] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.017907][ T5529] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 254.025876][ T5529] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 254.033934][ T5529] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 254.041913][ T5529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.050140][ T5529] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 254.058565][ T5529]
[ 254.062212][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.077428][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.390160][ T5531] loop1: detected capacity change from 0 to 32768
[ 254.434030][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.442815][ T5531] CPU: 1 PID: 5531 Comm: syz.1.219 Not tainted syzkaller #0
[ 254.450255][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 254.460417][ T5531] Call Trace:
[ 254.464030][ T5531]
[ 254.467169][ T5531] dump_stack_lvl+0x188/0x250
[ 254.471882][ T5531] ? show_regs_print_info+0x20/0x20
[ 254.477355][ T5531] ? load_image+0x400/0x400
[ 254.482064][ T5531] sysfs_create_dir_ns+0x26a/0x290
[ 254.487340][ T5531] ? sysfs_warn_dup+0xa0/0xa0
[ 254.492040][ T5531] ? do_raw_spin_unlock+0x11d/0x230
[ 254.497548][ T5531] kobject_add_internal+0x6e0/0xd90
[ 254.502967][ T5531] kobject_init_and_add+0x128/0x190
[ 254.508457][ T5531] ? lockdep_softirqs_off+0x430/0x430
[ 254.513858][ T5531] ? kobject_add+0x230/0x230
[ 254.518745][ T5531] ? __init_swait_queue_head+0xa5/0x150
[ 254.524735][ T5531] gfs2_sys_fs_add+0x24f/0x4b0
[ 254.529601][ T5531] ? gfs2_recover_set+0x240/0x240
[ 254.534737][ T5531] ? snprintf+0xe5/0x140
[ 254.539013][ T5531] ? __free_pages+0x95/0x1a0
[ 254.543598][ T5531] ? vscnprintf+0x80/0x80
[ 254.548051][ T5531] gfs2_fill_super+0x120f/0x1f00
[ 254.553368][ T5531] ? gfs2_reconfigure+0xd30/0xd30
[ 254.558409][ T5531] ? sb_set_blocksize+0xa5/0xe0
[ 254.563542][ T5531] get_tree_bdev+0x3f1/0x610
[ 254.568665][ T5531] ? gfs2_reconfigure+0xd30/0xd30
[ 254.573857][ T5531] gfs2_get_tree+0x4d/0x1e0
[ 254.578560][ T5531] vfs_get_tree+0x88/0x270
[ 254.583320][ T5531] do_new_mount+0x24a/0xa40
[ 254.589073][ T5531] __se_sys_mount+0x2e3/0x3d0
[ 254.594379][ T5531] ? __x64_sys_mount+0xc0/0xc0
[ 254.599449][ T5531] ? lockdep_hardirqs_on+0x94/0x140
[ 254.605273][ T5531] ? __x64_sys_mount+0x1c/0xc0
[ 254.610236][ T5531] do_syscall_64+0x4c/0xa0
[ 254.614855][ T5531] ? clear_bhb_loop+0x30/0x80
[ 254.619652][ T5531] ? clear_bhb_loop+0x30/0x80
[ 254.624517][ T5531] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.630594][ T5531] RIP: 0033:0x7f5d12f8d18a
[ 254.636830][ T5531] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 254.657511][ T5531] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.666323][ T5531] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 254.674309][ T5531] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 254.682368][ T5531] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 254.690345][ T5531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.698420][ T5531] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 254.706567][ T5531]
[ 254.711664][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.726380][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.039315][ T5533] loop1: detected capacity change from 0 to 32768
[ 255.135367][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.143144][ T5533] CPU: 0 PID: 5533 Comm: syz.1.220 Not tainted syzkaller #0
[ 255.152017][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 255.162484][ T5533] Call Trace:
[ 255.165865][ T5533]
[ 255.168932][ T5533] dump_stack_lvl+0x188/0x250
[ 255.173810][ T5533] ? show_regs_print_info+0x20/0x20
[ 255.179390][ T5533] ? load_image+0x400/0x400
[ 255.184109][ T5533] sysfs_create_dir_ns+0x26a/0x290
[ 255.189697][ T5533] ? sysfs_warn_dup+0xa0/0xa0
[ 255.194458][ T5533] ? do_raw_spin_unlock+0x11d/0x230
[ 255.199776][ T5533] kobject_add_internal+0x6e0/0xd90
[ 255.206230][ T5533] kobject_init_and_add+0x128/0x190
[ 255.211983][ T5533] ? lockdep_softirqs_off+0x430/0x430
[ 255.218147][ T5533] ? kobject_add+0x230/0x230
[ 255.223045][ T5533] ? __init_swait_queue_head+0xa5/0x150
[ 255.229582][ T5533] gfs2_sys_fs_add+0x24f/0x4b0
[ 255.234544][ T5533] ? gfs2_recover_set+0x240/0x240
[ 255.239656][ T5533] ? snprintf+0xe5/0x140
[ 255.244271][ T5533] ? __free_pages+0x95/0x1a0
[ 255.249326][ T5533] ? vscnprintf+0x80/0x80
[ 255.253798][ T5533] gfs2_fill_super+0x120f/0x1f00
[ 255.258741][ T5533] ? gfs2_reconfigure+0xd30/0xd30
[ 255.263763][ T5533] ? sb_set_blocksize+0xa5/0xe0
[ 255.268690][ T5533] get_tree_bdev+0x3f1/0x610
[ 255.273302][ T5533] ? gfs2_reconfigure+0xd30/0xd30
[ 255.278491][ T5533] gfs2_get_tree+0x4d/0x1e0
[ 255.283274][ T5533] vfs_get_tree+0x88/0x270
[ 255.287948][ T5533] do_new_mount+0x24a/0xa40
[ 255.292748][ T5533] __se_sys_mount+0x2e3/0x3d0
[ 255.297841][ T5533] ? __x64_sys_mount+0xc0/0xc0
[ 255.302872][ T5533] ? lockdep_hardirqs_on+0x94/0x140
[ 255.308365][ T5533] ? __x64_sys_mount+0x1c/0xc0
[ 255.313479][ T5533] do_syscall_64+0x4c/0xa0
[ 255.317896][ T5533] ? clear_bhb_loop+0x30/0x80
[ 255.323080][ T5533] ? clear_bhb_loop+0x30/0x80
[ 255.327864][ T5533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.333810][ T5533] RIP: 0033:0x7f5d12f8d18a
[ 255.338230][ T5533] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 255.358026][ T5533] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.366433][ T5533] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 255.374416][ T5533] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 255.382556][ T5533] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 255.390887][ T5533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.399035][ T5533] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 255.407117][ T5533]
[ 255.410774][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.424346][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.757770][ T5535] loop1: detected capacity change from 0 to 32768
[ 255.766635][ T1427] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.766679][ T1427] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.844121][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.852883][ T5535] CPU: 0 PID: 5535 Comm: syz.1.221 Not tainted syzkaller #0
[ 255.860639][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 255.870979][ T5535] Call Trace:
[ 255.874439][ T5535]
[ 255.877388][ T5535] dump_stack_lvl+0x188/0x250
[ 255.882086][ T5535] ? show_regs_print_info+0x20/0x20
[ 255.887384][ T5535] ? load_image+0x400/0x400
[ 255.892091][ T5535] sysfs_create_dir_ns+0x26a/0x290
[ 255.897309][ T5535] ? sysfs_warn_dup+0xa0/0xa0
[ 255.902111][ T5535] ? do_raw_spin_unlock+0x11d/0x230
[ 255.907602][ T5535] kobject_add_internal+0x6e0/0xd90
[ 255.913103][ T5535] kobject_init_and_add+0x128/0x190
[ 255.918503][ T5535] ? lockdep_softirqs_off+0x430/0x430
[ 255.923986][ T5535] ? kobject_add+0x230/0x230
[ 255.928605][ T5535] ? __init_swait_queue_head+0xa5/0x150
[ 255.934259][ T5535] gfs2_sys_fs_add+0x24f/0x4b0
[ 255.939824][ T5535] ? gfs2_recover_set+0x240/0x240
[ 255.944856][ T5535] ? snprintf+0xe5/0x140
[ 255.949474][ T5535] ? __free_pages+0x95/0x1a0
[ 255.954100][ T5535] ? vscnprintf+0x80/0x80
[ 255.958637][ T5535] gfs2_fill_super+0x120f/0x1f00
[ 255.963610][ T5535] ? gfs2_reconfigure+0xd30/0xd30
[ 255.968647][ T5535] ? sb_set_blocksize+0xa5/0xe0
[ 255.973586][ T5535] get_tree_bdev+0x3f1/0x610
[ 255.978213][ T5535] ? gfs2_reconfigure+0xd30/0xd30
[ 255.983416][ T5535] gfs2_get_tree+0x4d/0x1e0
[ 255.987915][ T5535] vfs_get_tree+0x88/0x270
[ 255.992621][ T5535] do_new_mount+0x24a/0xa40
[ 255.997834][ T5535] __se_sys_mount+0x2e3/0x3d0
[ 256.002824][ T5535] ? __x64_sys_mount+0xc0/0xc0
[ 256.007612][ T5535] ? lockdep_hardirqs_on+0x94/0x140
[ 256.013125][ T5535] ? __x64_sys_mount+0x1c/0xc0
[ 256.017988][ T5535] do_syscall_64+0x4c/0xa0
[ 256.022603][ T5535] ? clear_bhb_loop+0x30/0x80
[ 256.027272][ T5535] ? clear_bhb_loop+0x30/0x80
[ 256.032255][ T5535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.038156][ T5535] RIP: 0033:0x7f5d12f8d18a
[ 256.043195][ T5535] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 256.065046][ T5535] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.074782][ T5535] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 256.083399][ T5535] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 256.091744][ T5535] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 256.099830][ T5535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.108931][ T5535] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 256.117777][ T5535]
[ 256.123296][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.140153][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.453592][ T5537] loop1: detected capacity change from 0 to 32768
[ 256.465317][ T5537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.473236][ T5537] CPU: 0 PID: 5537 Comm: syz.1.222 Not tainted syzkaller #0
[ 256.480981][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 256.491306][ T5537] Call Trace:
[ 256.494595][ T5537]
[ 256.497531][ T5537] dump_stack_lvl+0x188/0x250
[ 256.502310][ T5537] ? show_regs_print_info+0x20/0x20
[ 256.507543][ T5537] ? load_image+0x400/0x400
[ 256.512147][ T5537] sysfs_create_dir_ns+0x26a/0x290
[ 256.517662][ T5537] ? sysfs_warn_dup+0xa0/0xa0
[ 256.522381][ T5537] ? do_raw_spin_unlock+0x11d/0x230
[ 256.527775][ T5537] kobject_add_internal+0x6e0/0xd90
[ 256.533339][ T5537] kobject_init_and_add+0x128/0x190
[ 256.538652][ T5537] ? lockdep_softirqs_off+0x430/0x430
[ 256.544214][ T5537] ? kobject_add+0x230/0x230
[ 256.548840][ T5537] ? __init_swait_queue_head+0xa5/0x150
[ 256.555191][ T5537] gfs2_sys_fs_add+0x24f/0x4b0
[ 256.560146][ T5537] ? gfs2_recover_set+0x240/0x240
[ 256.565357][ T5537] ? snprintf+0xe5/0x140
[ 256.569744][ T5537] ? __free_pages+0x95/0x1a0
[ 256.574918][ T5537] ? vscnprintf+0x80/0x80
[ 256.579706][ T5537] gfs2_fill_super+0x120f/0x1f00
[ 256.584748][ T5537] ? gfs2_reconfigure+0xd30/0xd30
[ 256.589971][ T5537] ? sb_set_blocksize+0xa5/0xe0
[ 256.595190][ T5537] get_tree_bdev+0x3f1/0x610
[ 256.599999][ T5537] ? gfs2_reconfigure+0xd30/0xd30
[ 256.605816][ T5537] gfs2_get_tree+0x4d/0x1e0
[ 256.610335][ T5537] vfs_get_tree+0x88/0x270
[ 256.614849][ T5537] do_new_mount+0x24a/0xa40
[ 256.619988][ T5537] __se_sys_mount+0x2e3/0x3d0
[ 256.624769][ T5537] ? __x64_sys_mount+0xc0/0xc0
[ 256.629719][ T5537] ? lockdep_hardirqs_on+0x94/0x140
[ 256.635131][ T5537] ? __x64_sys_mount+0x1c/0xc0
[ 256.640413][ T5537] do_syscall_64+0x4c/0xa0
[ 256.645352][ T5537] ? clear_bhb_loop+0x30/0x80
[ 256.650034][ T5537] ? clear_bhb_loop+0x30/0x80
[ 256.654710][ T5537] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.660590][ T5537] RIP: 0033:0x7f5d12f8d18a
[ 256.664984][ T5537] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 256.685484][ T5537] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.694347][ T5537] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 256.702943][ T5537] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 256.711228][ T5537] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 256.719996][ T5537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.728206][ T5537] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 256.736528][ T5537]
[ 256.743645][ T5537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.757542][ T5537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.084921][ T5539] loop1: detected capacity change from 0 to 32768
[ 257.159254][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.167418][ T5539] CPU: 0 PID: 5539 Comm: syz.1.223 Not tainted syzkaller #0
[ 257.174807][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 257.185500][ T5539] Call Trace:
[ 257.189212][ T5539]
[ 257.192601][ T5539] dump_stack_lvl+0x188/0x250
[ 257.197369][ T5539] ? show_regs_print_info+0x20/0x20
[ 257.203137][ T5539] ? load_image+0x400/0x400
[ 257.207801][ T5539] sysfs_create_dir_ns+0x26a/0x290
[ 257.213081][ T5539] ? sysfs_warn_dup+0xa0/0xa0
[ 257.217791][ T5539] ? do_raw_spin_unlock+0x11d/0x230
[ 257.223297][ T5539] kobject_add_internal+0x6e0/0xd90
[ 257.229072][ T5539] kobject_init_and_add+0x128/0x190
[ 257.234747][ T5539] ? lockdep_softirqs_off+0x430/0x430
[ 257.240150][ T5539] ? kobject_add+0x230/0x230
[ 257.244759][ T5539] ? __init_swait_queue_head+0xa5/0x150
[ 257.250497][ T5539] gfs2_sys_fs_add+0x24f/0x4b0
[ 257.255443][ T5539] ? gfs2_recover_set+0x240/0x240
[ 257.260657][ T5539] ? snprintf+0xe5/0x140
[ 257.264900][ T5539] ? __free_pages+0x95/0x1a0
[ 257.269504][ T5539] ? vscnprintf+0x80/0x80
[ 257.273936][ T5539] gfs2_fill_super+0x120f/0x1f00
[ 257.278880][ T5539] ? gfs2_reconfigure+0xd30/0xd30
[ 257.283910][ T5539] ? sb_set_blocksize+0xa5/0xe0
[ 257.288797][ T5539] get_tree_bdev+0x3f1/0x610
[ 257.293389][ T5539] ? gfs2_reconfigure+0xd30/0xd30
[ 257.298455][ T5539] gfs2_get_tree+0x4d/0x1e0
[ 257.303000][ T5539] vfs_get_tree+0x88/0x270
[ 257.307420][ T5539] do_new_mount+0x24a/0xa40
[ 257.312536][ T5539] __se_sys_mount+0x2e3/0x3d0
[ 257.317993][ T5539] ? __x64_sys_mount+0xc0/0xc0
[ 257.322968][ T5539] ? lockdep_hardirqs_on+0x94/0x140
[ 257.328804][ T5539] ? __x64_sys_mount+0x1c/0xc0
[ 257.333643][ T5539] do_syscall_64+0x4c/0xa0
[ 257.338210][ T5539] ? clear_bhb_loop+0x30/0x80
[ 257.342885][ T5539] ? clear_bhb_loop+0x30/0x80
[ 257.347579][ T5539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.353632][ T5539] RIP: 0033:0x7f5d12f8d18a
[ 257.358224][ T5539] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 257.377998][ T5539] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.386757][ T5539] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 257.395164][ T5539] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 257.403681][ T5539] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 257.412759][ T5539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.421322][ T5539] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 257.429650][ T5539]
[ 257.433330][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.447515][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.771308][ T5541] loop1: detected capacity change from 0 to 32768
[ 257.807994][ T5541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.819187][ T5541] CPU: 0 PID: 5541 Comm: syz.1.224 Not tainted syzkaller #0
[ 257.827444][ T5541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 257.837774][ T5541] Call Trace:
[ 257.841067][ T5541]
[ 257.844011][ T5541] dump_stack_lvl+0x188/0x250
[ 257.848890][ T5541] ? show_regs_print_info+0x20/0x20
[ 257.854191][ T5541] ? load_image+0x400/0x400
[ 257.858805][ T5541] sysfs_create_dir_ns+0x26a/0x290
[ 257.864540][ T5541] ? sysfs_warn_dup+0xa0/0xa0
[ 257.869229][ T5541] ? do_raw_spin_unlock+0x11d/0x230
[ 257.874638][ T5541] kobject_add_internal+0x6e0/0xd90
[ 257.880045][ T5541] kobject_init_and_add+0x128/0x190
[ 257.885249][ T5541] ? lockdep_softirqs_off+0x430/0x430
[ 257.890616][ T5541] ? kobject_add+0x230/0x230
[ 257.895386][ T5541] ? __init_swait_queue_head+0xa5/0x150
[ 257.901068][ T5541] gfs2_sys_fs_add+0x24f/0x4b0
[ 257.906058][ T5541] ? gfs2_recover_set+0x240/0x240
[ 257.911492][ T5541] ? snprintf+0xe5/0x140
[ 257.916220][ T5541] ? __free_pages+0x95/0x1a0
[ 257.921258][ T5541] ? vscnprintf+0x80/0x80
[ 257.925871][ T5541] gfs2_fill_super+0x120f/0x1f00
[ 257.930817][ T5541] ? gfs2_reconfigure+0xd30/0xd30
[ 257.935925][ T5541] ? sb_set_blocksize+0xa5/0xe0
[ 257.940863][ T5541] get_tree_bdev+0x3f1/0x610
[ 257.945503][ T5541] ? gfs2_reconfigure+0xd30/0xd30
[ 257.950528][ T5541] gfs2_get_tree+0x4d/0x1e0
[ 257.955045][ T5541] vfs_get_tree+0x88/0x270
[ 257.959893][ T5541] do_new_mount+0x24a/0xa40
[ 257.964405][ T5541] __se_sys_mount+0x2e3/0x3d0
[ 257.969091][ T5541] ? __x64_sys_mount+0xc0/0xc0
[ 257.973866][ T5541] ? lockdep_hardirqs_on+0x94/0x140
[ 257.979176][ T5541] ? __x64_sys_mount+0x1c/0xc0
[ 257.984112][ T5541] do_syscall_64+0x4c/0xa0
[ 257.988516][ T5541] ? clear_bhb_loop+0x30/0x80
[ 257.993183][ T5541] ? clear_bhb_loop+0x30/0x80
[ 257.997865][ T5541] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.003837][ T5541] RIP: 0033:0x7f5d12f8d18a
[ 258.008448][ T5541] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 258.028630][ T5541] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.037143][ T5541] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 258.045116][ T5541] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 258.053377][ T5541] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 258.062000][ T5541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.070190][ T5541] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 258.078183][ T5541]
[ 258.082119][ T5541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.095555][ T5541] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/25 21:29:46 executed programs: 210
[ 258.401207][ T5543] loop1: detected capacity change from 0 to 32768
[ 258.480985][ T5543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.488807][ T5543] CPU: 0 PID: 5543 Comm: syz.1.225 Not tainted syzkaller #0
[ 258.496208][ T5543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 258.506274][ T5543] Call Trace:
[ 258.509731][ T5543]
[ 258.512665][ T5543] dump_stack_lvl+0x188/0x250
[ 258.517534][ T5543] ? show_regs_print_info+0x20/0x20
[ 258.522845][ T5543] ? load_image+0x400/0x400
[ 258.527804][ T5543] sysfs_create_dir_ns+0x26a/0x290
[ 258.533190][ T5543] ? sysfs_warn_dup+0xa0/0xa0
[ 258.537915][ T5543] ? do_raw_spin_unlock+0x11d/0x230
[ 258.543221][ T5543] kobject_add_internal+0x6e0/0xd90
[ 258.548635][ T5543] kobject_init_and_add+0x128/0x190
[ 258.553862][ T5543] ? lockdep_softirqs_off+0x430/0x430
[ 258.559300][ T5543] ? kobject_add+0x230/0x230
[ 258.563890][ T5543] ? __init_swait_queue_head+0xa5/0x150
[ 258.569806][ T5543] gfs2_sys_fs_add+0x24f/0x4b0
[ 258.574577][ T5543] ? gfs2_recover_set+0x240/0x240
[ 258.579591][ T5543] ? snprintf+0xe5/0x140
[ 258.583855][ T5543] ? __free_pages+0x95/0x1a0
[ 258.588828][ T5543] ? vscnprintf+0x80/0x80
[ 258.593605][ T5543] gfs2_fill_super+0x120f/0x1f00
[ 258.598677][ T5543] ? gfs2_reconfigure+0xd30/0xd30
[ 258.604521][ T5543] ? sb_set_blocksize+0xa5/0xe0
[ 258.610028][ T5543] get_tree_bdev+0x3f1/0x610
[ 258.614809][ T5543] ? gfs2_reconfigure+0xd30/0xd30
[ 258.619977][ T5543] gfs2_get_tree+0x4d/0x1e0
[ 258.624653][ T5543] vfs_get_tree+0x88/0x270
[ 258.629185][ T5543] do_new_mount+0x24a/0xa40
[ 258.633805][ T5543] __se_sys_mount+0x2e3/0x3d0
[ 258.638679][ T5543] ? __x64_sys_mount+0xc0/0xc0
[ 258.644057][ T5543] ? lockdep_hardirqs_on+0x94/0x140
[ 258.649276][ T5543] ? __x64_sys_mount+0x1c/0xc0
[ 258.654254][ T5543] do_syscall_64+0x4c/0xa0
[ 258.658672][ T5543] ? clear_bhb_loop+0x30/0x80
[ 258.663427][ T5543] ? clear_bhb_loop+0x30/0x80
[ 258.668211][ T5543] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.674183][ T5543] RIP: 0033:0x7f5d12f8d18a
[ 258.679208][ T5543] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 258.700054][ T5543] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.708776][ T5543] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 258.717143][ T5543] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 258.726555][ T5543] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 258.735024][ T5543] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.745827][ T5543] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 258.755937][ T5543]
[ 258.759465][ T5543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.772943][ T5543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.085440][ T5545] loop1: detected capacity change from 0 to 32768
[ 259.153925][ T5545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.161427][ T5545] CPU: 1 PID: 5545 Comm: syz.1.226 Not tainted syzkaller #0
[ 259.168740][ T5545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 259.179242][ T5545] Call Trace:
[ 259.182537][ T5545]
[ 259.185475][ T5545] dump_stack_lvl+0x188/0x250
[ 259.190262][ T5545] ? show_regs_print_info+0x20/0x20
[ 259.196351][ T5545] ? load_image+0x400/0x400
[ 259.201213][ T5545] sysfs_create_dir_ns+0x26a/0x290
[ 259.206535][ T5545] ? sysfs_warn_dup+0xa0/0xa0
[ 259.211232][ T5545] ? do_raw_spin_unlock+0x11d/0x230
[ 259.216456][ T5545] kobject_add_internal+0x6e0/0xd90
[ 259.222030][ T5545] kobject_init_and_add+0x128/0x190
[ 259.227342][ T5545] ? lockdep_softirqs_off+0x430/0x430
[ 259.233221][ T5545] ? kobject_add+0x230/0x230
[ 259.237833][ T5545] ? __init_swait_queue_head+0xa5/0x150
[ 259.243390][ T5545] gfs2_sys_fs_add+0x24f/0x4b0
[ 259.248176][ T5545] ? gfs2_recover_set+0x240/0x240
[ 259.253284][ T5545] ? snprintf+0xe5/0x140
[ 259.257614][ T5545] ? __free_pages+0x95/0x1a0
[ 259.262462][ T5545] ? vscnprintf+0x80/0x80
[ 259.266828][ T5545] gfs2_fill_super+0x120f/0x1f00
[ 259.271948][ T5545] ? gfs2_reconfigure+0xd30/0xd30
[ 259.277024][ T5545] ? sb_set_blocksize+0xa5/0xe0
[ 259.281881][ T5545] get_tree_bdev+0x3f1/0x610
[ 259.286563][ T5545] ? gfs2_reconfigure+0xd30/0xd30
[ 259.291664][ T5545] gfs2_get_tree+0x4d/0x1e0
[ 259.296156][ T5545] vfs_get_tree+0x88/0x270
[ 259.300559][ T5545] do_new_mount+0x24a/0xa40
[ 259.305199][ T5545] __se_sys_mount+0x2e3/0x3d0
[ 259.309905][ T5545] ? __x64_sys_mount+0xc0/0xc0
[ 259.314991][ T5545] ? lockdep_hardirqs_on+0x94/0x140
[ 259.320204][ T5545] ? __x64_sys_mount+0x1c/0xc0
[ 259.325151][ T5545] do_syscall_64+0x4c/0xa0
[ 259.329569][ T5545] ? clear_bhb_loop+0x30/0x80
[ 259.334324][ T5545] ? clear_bhb_loop+0x30/0x80
[ 259.338991][ T5545] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.344861][ T5545] RIP: 0033:0x7f5d12f8d18a
[ 259.349282][ T5545] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 259.368967][ T5545] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.377580][ T5545] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 259.385548][ T5545] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 259.393838][ T5545] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 259.401996][ T5545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.410305][ T5545] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 259.419017][ T5545]
[ 259.428373][ T5545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.442630][ T5545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.601682][ T27] INFO: task kworker/0:1H:150 blocked for more than 143 seconds.
[ 259.609719][ T27] Not tainted syzkaller #0
[ 259.615733][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 259.625621][ T27] task:kworker/0:1H state:D stack:26424 pid: 150 ppid: 2 flags:0x00004000
[ 259.637358][ T27] Workqueue: glock_workqueue glock_work_func
[ 259.645898][ T27] Call Trace:
[ 259.649276][ T27]
[ 259.652558][ T27] __schedule+0x11ef/0x43c0
[ 259.657365][ T27] ? release_firmware_map_entry+0x190/0x190
[ 259.665739][ T27] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 259.672299][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 259.677795][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 259.685979][ T27] schedule+0x11b/0x1e0
[ 259.690530][ T27] rwsem_down_write_slowpath+0xc87/0x1260
[ 259.696884][ T27] ? rwsem_write_trylock+0x1c0/0x1c0
[ 259.704677][ T27] ? rwsem_write_trylock+0x135/0x1c0
[ 259.710429][ T27] ? do_xmote+0x354/0x1120
[ 259.715674][ T27] freeze_super+0x44/0x420
[ 259.720607][ T27] freeze_go_sync+0x179/0x340
[ 259.727768][ T27] do_xmote+0x387/0x1120
[ 259.733131][ T27] glock_work_func+0x25e/0x470
[ 259.738155][ T27] process_one_work+0x85f/0x1010
[ 259.744036][ T27] ? worker_detach_from_pool+0x240/0x240
[ 259.749914][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 259.755758][ T27] ? _raw_spin_lock_irq+0xb7/0xf0
[ 259.760977][ T27] ? _raw_spin_lock_irqsave+0x100/0x100
[ 259.768367][ T27] ? wq_worker_running+0x97/0x170
[ 259.773886][ T27] worker_thread+0xaa6/0x1290
[ 259.778980][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 259.785818][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 259.792852][ T27] kthread+0x436/0x520
[ 259.797384][ T27] ? rcu_lock_release+0x20/0x20
[ 259.803365][ T27] ? kthread_blkcg+0xd0/0xd0
[ 259.808436][ T27] ret_from_fork+0x1f/0x30
[ 259.813495][ T27]
[ 259.816868][ T27] INFO: task syz.0.17:5096 blocked for more than 143 seconds.
[ 259.825782][ T27] Not tainted syzkaller #0
[ 259.831827][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 259.840947][ T27] task:syz.0.17 state:D stack:23632 pid: 5096 ppid: 4894 flags:0x00004004
[ 259.858731][ T27] Call Trace:
[ 259.860558][ T5547] loop1: detected capacity change from 0 to 32768
[ 259.863098][ T27]
[ 259.875606][ T27] __schedule+0x11ef/0x43c0
[ 259.880755][ T27] ? release_firmware_map_entry+0x190/0x190
[ 259.887798][ T27] ? verify_lock_unused+0x140/0x140
[ 259.894189][ T27] schedule+0x11b/0x1e0
[ 259.895581][ T5547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.898907][ T27] schedule_timeout+0xbd/0x2d0
[ 259.906498][ T5547] CPU: 1 PID: 5547 Comm: syz.1.227 Not tainted syzkaller #0
[ 259.918841][ T5547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 259.926503][ T27] ? console_conditional_schedule+0x40/0x40
[ 259.928912][ T5547] Call Trace:
[ 259.928923][ T5547]
[ 259.941292][ T5547] dump_stack_lvl+0x188/0x250
[ 259.946083][ T5547] ? show_regs_print_info+0x20/0x20
[ 259.949706][ T27] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 259.951416][ T5547] ? load_image+0x400/0x400
[ 259.961982][ T5547] sysfs_create_dir_ns+0x26a/0x290
[ 259.967204][ T5547] ? sysfs_warn_dup+0xa0/0xa0
[ 259.968021][ T27] ? lock_chain_count+0x20/0x20
[ 259.971898][ T5547] ? do_raw_spin_unlock+0x11d/0x230
[ 259.971921][ T5547] kobject_add_internal+0x6e0/0xd90
[ 259.971944][ T5547] kobject_init_and_add+0x128/0x190
[ 259.971961][ T5547] ? lockdep_softirqs_off+0x430/0x430
[ 259.971982][ T5547] ? kobject_add+0x230/0x230
[ 259.972002][ T5547] ? __init_swait_queue_head+0xa5/0x150
[ 259.972025][ T5547] gfs2_sys_fs_add+0x24f/0x4b0
[ 259.972046][ T5547] ? gfs2_recover_set+0x240/0x240
[ 259.984492][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 259.987565][ T5547] ? snprintf+0xe5/0x140
[ 259.995058][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 259.998286][ T5547] ? __free_pages+0x95/0x1a0
[ 260.003314][ T27] do_wait_for_common+0x2a2/0x450
[ 260.008654][ T5547] ? vscnprintf+0x80/0x80
[ 260.015624][ T27] ? console_conditional_schedule+0x40/0x40
[ 260.018418][ T5547] gfs2_fill_super+0x120f/0x1f00
[ 260.024033][ T27] ? wait_for_completion_killable_timeout+0x60/0x60
[ 260.027825][ T5547] ? gfs2_reconfigure+0xd30/0xd30
[ 260.035440][ T27] ? _raw_spin_lock_irq+0xb7/0xf0
[ 260.037799][ T5547] ? sb_set_blocksize+0xa5/0xe0
[ 260.043094][ T27] ? _raw_spin_lock_irqsave+0x100/0x100
[ 260.047190][ T5547] get_tree_bdev+0x3f1/0x610
[ 260.047214][ T5547] ? gfs2_reconfigure+0xd30/0xd30
[ 260.047234][ T5547] gfs2_get_tree+0x4d/0x1e0
[ 260.047254][ T5547] vfs_get_tree+0x88/0x270
[ 260.047273][ T5547] do_new_mount+0x24a/0xa40
[ 260.047297][ T5547] __se_sys_mount+0x2e3/0x3d0
[ 260.047319][ T5547] ? __x64_sys_mount+0xc0/0xc0
[ 260.073800][ T27] ? flush_workqueue_prep_pwqs+0x420/0x480
[ 260.075406][ T5547] ? lockdep_hardirqs_on+0x94/0x140
[ 260.080329][ T27] wait_for_completion+0x48/0x60
[ 260.085954][ T5547] ? __x64_sys_mount+0x1c/0xc0
[ 260.085989][ T5547] do_syscall_64+0x4c/0xa0
[ 260.086006][ T5547] ? clear_bhb_loop+0x30/0x80
[ 260.086023][ T5547] ? clear_bhb_loop+0x30/0x80
[ 260.086039][ T5547] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.086056][ T5547] RIP: 0033:0x7f5d12f8d18a
[ 260.086073][ T5547] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 260.086087][ T5547] RSP: 002b:00007f5d125eee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.113605][ T27] flush_workqueue+0x664/0x13d0
[ 260.114784][ T5547] RAX: ffffffffffffffda RBX: 00007f5d125eeee0 RCX: 00007f5d12f8d18a
[ 260.119849][ T27] ? __lock_acquire+0x7d10/0x7d10
[ 260.125824][ T5547] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5d125eeea0
[ 260.125843][ T5547] RBP: 00002000000124c0 R08: 00007f5d125eeee0 R09: 0000000000000000
[ 260.125854][ T5547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.125864][ T5547] R13: 00007f5d125eeea0 R14: 00000000000125ad R15: 0000200000000000
[ 260.125886][ T5547]
[ 260.129088][ T5547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.133730][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 260.136285][ T5547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.141096][ T27] ? rcu_work_rcufn+0x120/0x120
[ 260.141116][ T27] ? glock_hash_walk+0x176/0x1e0
[ 260.285205][ T27] ? lock_chain_count+0x20/0x20
[ 260.290320][ T27] gfs2_gl_hash_clear+0xc0/0x2f0
[ 260.295305][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 260.301229][ T27] ? thaw_glock+0x150/0x150
[ 260.305902][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 260.312016][ T27] ? _raw_spin_unlock+0x40/0x40
[ 260.317060][ T27] ? gfs2_glock_dq_uninit+0xfa/0x110
[ 260.322397][ T27] gfs2_fill_super+0x1646/0x1f00
[ 260.327566][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 260.332773][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 260.337812][ T27] get_tree_bdev+0x3f1/0x610
[ 260.342650][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 260.347937][ T27] gfs2_get_tree+0x4d/0x1e0
[ 260.352730][ T27] vfs_get_tree+0x88/0x270
[ 260.357392][ T27] do_new_mount+0x24a/0xa40
[ 260.361993][ T27] __se_sys_mount+0x2e3/0x3d0
[ 260.366685][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 260.371575][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 260.377136][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 260.381962][ T27] do_syscall_64+0x4c/0xa0
[ 260.386410][ T27] ? clear_bhb_loop+0x30/0x80
[ 260.391163][ T27] ? clear_bhb_loop+0x30/0x80
[ 260.395897][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.402048][ T27] RIP: 0033:0x7f36357a318a
[ 260.406673][ T27] RSP: 002b:00007f3634e04e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.416472][ T27] RAX: ffffffffffffffda RBX: 00007f3634e04ee0 RCX: 00007f36357a318a
[ 260.424506][ T27] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f3634e04ea0
[ 260.432538][ T27] RBP: 00002000000124c0 R08: 00007f3634e04ee0 R09: 0000000000000000
[ 260.440874][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.449561][ T27] R13: 00007f3634e04ea0 R14: 00000000000125ad R15: 0000200000000000
[ 260.458027][ T27]
[ 260.461197][ T27]
[ 260.461197][ T27] Showing all locks held in the system:
[ 260.469285][ T27] 1 lock held by khungtaskd/27:
[ 260.474520][ T27] #0: ffffffff8c31f320 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 260.484294][ T27] 3 locks held by kworker/0:1H/150:
[ 260.489519][ T27] #0: ffff8881462f4938 ((wq_completion)glock_workqueue){+.+.}-{0:0}, at: process_one_work+0x761/0x1010
[ 260.501093][ T27] #1: ffffc9000185fd00 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[ 260.513618][ T27] #2: ffff8880614e80e0 (&type->s_umount_key#54){+.+.}-{3:3}, at: freeze_super+0x44/0x420
[ 260.523880][ T27] 2 locks held by getty/3948:
[ 260.528574][ T27] #0: ffff88802c8c6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 260.538512][ T27] #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[ 260.549043][ T27] 1 lock held by syz.0.17/5096:
[ 260.554358][ T27] #0: ffff8880614e80e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 260.564711][ T27] 2 locks held by syz.1.227/5547:
[ 260.569928][ T27] #0: ffff888020d1ad18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 260.580727][ T27] #1: ffff88814754e468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 260.591186][ T27]
[ 260.594130][ T27] =============================================
[ 260.594130][ T27]
[ 260.602882][ T27] NMI backtrace for cpu 0
[ 260.607811][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 260.615417][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 260.625617][ T27] Call Trace:
[ 260.629088][ T27]
[ 260.632228][ T27] dump_stack_lvl+0x188/0x250
[ 260.637163][ T27] ? show_regs_print_info+0x20/0x20
[ 260.642913][ T27] ? load_image+0x400/0x400
[ 260.647685][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 260.653446][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 260.659010][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 260.664112][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 260.670710][ T27] ? _printk+0xda/0x130
[ 260.675401][ T27] ? load_image+0x400/0x400
[ 260.680246][ T27] ? load_image+0x400/0x400
[ 260.685453][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 260.692464][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 260.699477][ T27] watchdog+0xe0f/0xe50
[ 260.704087][ T27] kthread+0x436/0x520
[ 260.708467][ T27] ? hungtask_pm_notify+0x40/0x40
[ 260.713846][ T27] ? kthread_blkcg+0xd0/0xd0
[ 260.718559][ T27] ret_from_fork+0x1f/0x30
[ 260.723062][ T27]
[ 260.726290][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 260.731825][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
[ 260.732902][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 260.748113][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 260.755467][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 260.765921][ T27] Call Trace:
[ 260.769287][ T27]
[ 260.772355][ T27] dump_stack_lvl+0x188/0x250
[ 260.777164][ T27] ? show_regs_print_info+0x20/0x20
[ 260.782355][ T27] ? load_image+0x400/0x400
[ 260.786858][ T27] panic+0x2e5/0x810
[ 260.790750][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 260.796380][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 260.800884][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 260.807130][ T27] watchdog+0xe4e/0xe50
[ 260.811308][ T27] kthread+0x436/0x520
[ 260.815464][ T27] ? hungtask_pm_notify+0x40/0x40
[ 260.820483][ T27] ? kthread_blkcg+0xd0/0xd0
[ 260.825060][ T27] ret_from_fork+0x1f/0x30
[ 260.829467][ T27]
[ 260.832697][ T27] Kernel Offset: disabled
[ 260.837384][ T27] Rebooting in 86400 seconds..