21] dump_stack_lvl+0x168/0x230
[ 221.380801][ T5421] ? show_regs_print_info+0x20/0x20
[ 221.386003][ T5421] ? load_image+0x3b0/0x3b0
[ 221.390522][ T5421] sysfs_create_dir_ns+0x252/0x280
[ 221.395649][ T5421] ? __lock_acquire+0x7c60/0x7c60
[ 221.400685][ T5421] ? sysfs_warn_dup+0xa0/0xa0
[ 221.405553][ T5421] ? do_raw_spin_unlock+0x11d/0x230
[ 221.410764][ T5421] kobject_add_internal+0x662/0xd00
[ 221.415979][ T5421] kobject_init_and_add+0x122/0x190
[ 221.421268][ T5421] ? lockdep_softirqs_off+0x420/0x420
[ 221.426652][ T5421] ? kobject_add+0x210/0x210
[ 221.431227][ T5421] ? __init_swait_queue_head+0xa5/0x150
[ 221.436761][ T5421] gfs2_sys_fs_add+0x234/0x480
[ 221.441522][ T5421] ? gfs2_recover_set+0x240/0x240
[ 221.446529][ T5421] ? snprintf+0xd7/0x120
[ 221.450755][ T5421] ? __free_pages+0x95/0x1a0
[ 221.455346][ T5421] ? vscnprintf+0x80/0x80
[ 221.459660][ T5421] gfs2_fill_super+0x128d/0x1f50
[ 221.464599][ T5421] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.469605][ T5421] ? preempt_count_add+0x8d/0x190
[ 221.474613][ T5421] ? sb_set_blocksize+0xa5/0xe0
[ 221.479457][ T5421] get_tree_bdev+0x3f1/0x610
[ 221.484062][ T5421] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.489064][ T5421] gfs2_get_tree+0x4d/0x1e0
[ 221.493591][ T5421] vfs_get_tree+0x88/0x270
[ 221.497988][ T5421] do_new_mount+0x24a/0xa40
[ 221.502481][ T5421] __se_sys_mount+0x2d6/0x3c0
[ 221.507144][ T5421] ? __x64_sys_mount+0xc0/0xc0
[ 221.511884][ T5421] ? lockdep_hardirqs_on+0x94/0x140
[ 221.517057][ T5421] ? __x64_sys_mount+0x1c/0xc0
[ 221.521799][ T5421] do_syscall_64+0x4c/0xa0
[ 221.526191][ T5421] ? clear_bhb_loop+0x30/0x80
[ 221.530844][ T5421] ? clear_bhb_loop+0x30/0x80
[ 221.535495][ T5421] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.541364][ T5421] RIP: 0033:0x7f82a55c538a
[ 221.545757][ T5421] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 221.565340][ T5421] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.573747][ T5421] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 221.581701][ T5421] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 221.589651][ T5421] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 221.597600][ T5421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.605573][ T5421] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.613547][ T5421]
[ 221.617232][ T5421] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.630769][ T5421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.830160][ T4277] Bluetooth: hci0: command 0x0406 tx timeout
[ 221.951900][ T5423] loop1: detected capacity change from 0 to 32768
[ 222.001176][ T5423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.008579][ T5423] CPU: 0 PID: 5423 Comm: syz.1.171 Not tainted syzkaller #0
[ 222.015867][ T5423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 222.025929][ T5423] Call Trace:
[ 222.029224][ T5423]
[ 222.032159][ T5423] dump_stack_lvl+0x168/0x230
[ 222.036846][ T5423] ? show_regs_print_info+0x20/0x20
[ 222.042047][ T5423] ? load_image+0x3b0/0x3b0
[ 222.046568][ T5423] sysfs_create_dir_ns+0x252/0x280
[ 222.051692][ T5423] ? __lock_acquire+0x7c60/0x7c60
[ 222.056721][ T5423] ? sysfs_warn_dup+0xa0/0xa0
[ 222.061420][ T5423] ? do_raw_spin_unlock+0x11d/0x230
[ 222.066621][ T5423] kobject_add_internal+0x662/0xd00
[ 222.072004][ T5423] kobject_init_and_add+0x122/0x190
[ 222.077205][ T5423] ? lockdep_softirqs_off+0x420/0x420
[ 222.082584][ T5423] ? kobject_add+0x210/0x210
[ 222.087174][ T5423] ? __init_swait_queue_head+0xa5/0x150
[ 222.092704][ T5423] gfs2_sys_fs_add+0x234/0x480
[ 222.097444][ T5423] ? gfs2_recover_set+0x240/0x240
[ 222.102442][ T5423] ? snprintf+0xd7/0x120
[ 222.106662][ T5423] ? __free_pages+0x95/0x1a0
[ 222.111231][ T5423] ? vscnprintf+0x80/0x80
[ 222.115550][ T5423] gfs2_fill_super+0x128d/0x1f50
[ 222.120484][ T5423] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.125499][ T5423] ? preempt_count_add+0x8d/0x190
[ 222.130517][ T5423] ? sb_set_blocksize+0xa5/0xe0
[ 222.135362][ T5423] get_tree_bdev+0x3f1/0x610
[ 222.139926][ T5423] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.144929][ T5423] gfs2_get_tree+0x4d/0x1e0
[ 222.149412][ T5423] vfs_get_tree+0x88/0x270
[ 222.153810][ T5423] do_new_mount+0x24a/0xa40
[ 222.158297][ T5423] __se_sys_mount+0x2d6/0x3c0
[ 222.163051][ T5423] ? __x64_sys_mount+0xc0/0xc0
[ 222.167908][ T5423] ? lockdep_hardirqs_on+0x94/0x140
[ 222.173091][ T5423] ? __x64_sys_mount+0x1c/0xc0
[ 222.177841][ T5423] do_syscall_64+0x4c/0xa0
[ 222.182309][ T5423] ? clear_bhb_loop+0x30/0x80
[ 222.186972][ T5423] ? clear_bhb_loop+0x30/0x80
[ 222.191630][ T5423] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.197513][ T5423] RIP: 0033:0x7f82a55c538a
[ 222.201912][ T5423] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 222.221517][ T5423] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.229935][ T5423] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 222.237889][ T5423] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 222.246152][ T5423] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 222.254456][ T5423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.262430][ T5423] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.270414][ T5423]
[ 222.276002][ T5423] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.289553][ T5423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.586868][ T5425] loop1: detected capacity change from 0 to 32768
[ 222.648173][ T5425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.655794][ T5425] CPU: 1 PID: 5425 Comm: syz.1.172 Not tainted syzkaller #0
[ 222.663079][ T5425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 222.673132][ T5425] Call Trace:
[ 222.676506][ T5425]
[ 222.679444][ T5425] dump_stack_lvl+0x168/0x230
[ 222.684141][ T5425] ? show_regs_print_info+0x20/0x20
[ 222.689358][ T5425] ? load_image+0x3b0/0x3b0
[ 222.693875][ T5425] sysfs_create_dir_ns+0x252/0x280
[ 222.698996][ T5425] ? __lock_acquire+0x7c60/0x7c60
[ 222.704037][ T5425] ? sysfs_warn_dup+0xa0/0xa0
[ 222.708742][ T5425] ? do_raw_spin_unlock+0x11d/0x230
[ 222.713944][ T5425] kobject_add_internal+0x662/0xd00
[ 222.719151][ T5425] kobject_init_and_add+0x122/0x190
[ 222.724352][ T5425] ? lockdep_softirqs_off+0x420/0x420
[ 222.729735][ T5425] ? kobject_add+0x210/0x210
[ 222.734325][ T5425] ? __init_swait_queue_head+0xa5/0x150
[ 222.739856][ T5425] gfs2_sys_fs_add+0x234/0x480
[ 222.744622][ T5425] ? gfs2_recover_set+0x240/0x240
[ 222.749627][ T5425] ? snprintf+0xd7/0x120
[ 222.753847][ T5425] ? __free_pages+0x95/0x1a0
[ 222.758427][ T5425] ? vscnprintf+0x80/0x80
[ 222.762743][ T5425] gfs2_fill_super+0x128d/0x1f50
[ 222.767673][ T5425] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.772683][ T5425] ? preempt_count_add+0x8d/0x190
[ 222.777827][ T5425] ? sb_set_blocksize+0xa5/0xe0
[ 222.782667][ T5425] get_tree_bdev+0x3f1/0x610
[ 222.787244][ T5425] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.792255][ T5425] gfs2_get_tree+0x4d/0x1e0
[ 222.796798][ T5425] vfs_get_tree+0x88/0x270
[ 222.801201][ T5425] do_new_mount+0x24a/0xa40
[ 222.805778][ T5425] __se_sys_mount+0x2d6/0x3c0
[ 222.810458][ T5425] ? __x64_sys_mount+0xc0/0xc0
[ 222.815315][ T5425] ? lockdep_hardirqs_on+0x94/0x140
[ 222.820496][ T5425] ? __x64_sys_mount+0x1c/0xc0
[ 222.825245][ T5425] do_syscall_64+0x4c/0xa0
[ 222.829658][ T5425] ? clear_bhb_loop+0x30/0x80
[ 222.834317][ T5425] ? clear_bhb_loop+0x30/0x80
[ 222.838984][ T5425] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.844855][ T5425] RIP: 0033:0x7f82a55c538a
[ 222.849252][ T5425] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 222.868861][ T5425] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.877339][ T5425] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 222.885314][ T5425] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 222.893280][ T5425] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 222.901237][ T5425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.909289][ T5425] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.917269][ T5425]
[ 222.921915][ T5425] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.935068][ T5425] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.228923][ T5427] loop1: detected capacity change from 0 to 32768
[ 223.282429][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.296787][ T5427] CPU: 1 PID: 5427 Comm: syz.1.173 Not tainted syzkaller #0
[ 223.304102][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 223.314176][ T5427] Call Trace:
[ 223.317780][ T5427]
[ 223.320814][ T5427] dump_stack_lvl+0x168/0x230
[ 223.325517][ T5427] ? show_regs_print_info+0x20/0x20
[ 223.330725][ T5427] ? load_image+0x3b0/0x3b0
[ 223.335245][ T5427] sysfs_create_dir_ns+0x252/0x280
[ 223.340370][ T5427] ? __lock_acquire+0x7c60/0x7c60
[ 223.345419][ T5427] ? sysfs_warn_dup+0xa0/0xa0
[ 223.350103][ T5427] ? do_raw_spin_unlock+0x11d/0x230
[ 223.355318][ T5427] kobject_add_internal+0x662/0xd00
[ 223.360521][ T5427] kobject_init_and_add+0x122/0x190
[ 223.365722][ T5427] ? lockdep_softirqs_off+0x420/0x420
[ 223.371101][ T5427] ? kobject_add+0x210/0x210
[ 223.375698][ T5427] ? __init_swait_queue_head+0xa5/0x150
[ 223.381262][ T5427] gfs2_sys_fs_add+0x234/0x480
[ 223.386033][ T5427] ? gfs2_recover_set+0x240/0x240
[ 223.391043][ T5427] ? snprintf+0xd7/0x120
[ 223.395268][ T5427] ? __free_pages+0x95/0x1a0
[ 223.399841][ T5427] ? vscnprintf+0x80/0x80
[ 223.404165][ T5427] gfs2_fill_super+0x128d/0x1f50
[ 223.409103][ T5427] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.414109][ T5427] ? preempt_count_add+0x8d/0x190
[ 223.419121][ T5427] ? sb_set_blocksize+0xa5/0xe0
[ 223.423968][ T5427] get_tree_bdev+0x3f1/0x610
[ 223.428543][ T5427] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.433547][ T5427] gfs2_get_tree+0x4d/0x1e0
[ 223.438034][ T5427] vfs_get_tree+0x88/0x270
[ 223.442447][ T5427] do_new_mount+0x24a/0xa40
[ 223.446948][ T5427] __se_sys_mount+0x2d6/0x3c0
[ 223.451609][ T5427] ? __x64_sys_mount+0xc0/0xc0
[ 223.456355][ T5427] ? lockdep_hardirqs_on+0x94/0x140
[ 223.461536][ T5427] ? __x64_sys_mount+0x1c/0xc0
[ 223.466313][ T5427] do_syscall_64+0x4c/0xa0
[ 223.470707][ T5427] ? clear_bhb_loop+0x30/0x80
[ 223.475363][ T5427] ? clear_bhb_loop+0x30/0x80
[ 223.480029][ T5427] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.485939][ T5427] RIP: 0033:0x7f82a55c538a
[ 223.490340][ T5427] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 223.509926][ T5427] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.518322][ T5427] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 223.526275][ T5427] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 223.534226][ T5427] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 223.542176][ T5427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.550135][ T5427] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.558106][ T5427]
[ 223.562997][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.576173][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.869889][ T5429] loop1: detected capacity change from 0 to 32768
[ 223.919430][ T5429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.927019][ T5429] CPU: 0 PID: 5429 Comm: syz.1.174 Not tainted syzkaller #0
[ 223.934328][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 223.944388][ T5429] Call Trace:
[ 223.947672][ T5429]
[ 223.950602][ T5429] dump_stack_lvl+0x168/0x230
[ 223.955289][ T5429] ? show_regs_print_info+0x20/0x20
[ 223.960497][ T5429] ? load_image+0x3b0/0x3b0
[ 223.965013][ T5429] sysfs_create_dir_ns+0x252/0x280
[ 223.970140][ T5429] ? __lock_acquire+0x7c60/0x7c60
[ 223.975171][ T5429] ? sysfs_warn_dup+0xa0/0xa0
[ 223.979862][ T5429] ? do_raw_spin_unlock+0x11d/0x230
[ 223.985064][ T5429] kobject_add_internal+0x662/0xd00
[ 223.990263][ T5429] kobject_init_and_add+0x122/0x190
[ 223.995480][ T5429] ? lockdep_softirqs_off+0x420/0x420
[ 224.000850][ T5429] ? kobject_add+0x210/0x210
[ 224.005419][ T5429] ? __init_swait_queue_head+0xa5/0x150
[ 224.010960][ T5429] gfs2_sys_fs_add+0x234/0x480
[ 224.015702][ T5429] ? gfs2_recover_set+0x240/0x240
[ 224.020698][ T5429] ? snprintf+0xd7/0x120
[ 224.024929][ T5429] ? __free_pages+0x95/0x1a0
[ 224.029505][ T5429] ? vscnprintf+0x80/0x80
[ 224.033835][ T5429] gfs2_fill_super+0x128d/0x1f50
[ 224.038772][ T5429] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.043773][ T5429] ? preempt_count_add+0x8d/0x190
[ 224.048777][ T5429] ? sb_set_blocksize+0xa5/0xe0
[ 224.053604][ T5429] get_tree_bdev+0x3f1/0x610
[ 224.058172][ T5429] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.063181][ T5429] gfs2_get_tree+0x4d/0x1e0
[ 224.067659][ T5429] vfs_get_tree+0x88/0x270
[ 224.072051][ T5429] do_new_mount+0x24a/0xa40
[ 224.076534][ T5429] __se_sys_mount+0x2d6/0x3c0
[ 224.081202][ T5429] ? __x64_sys_mount+0xc0/0xc0
[ 224.085967][ T5429] ? lockdep_hardirqs_on+0x94/0x140
[ 224.091144][ T5429] ? __x64_sys_mount+0x1c/0xc0
[ 224.095897][ T5429] do_syscall_64+0x4c/0xa0
[ 224.100298][ T5429] ? clear_bhb_loop+0x30/0x80
[ 224.104953][ T5429] ? clear_bhb_loop+0x30/0x80
[ 224.109604][ T5429] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.115470][ T5429] RIP: 0033:0x7f82a55c538a
[ 224.119860][ T5429] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 224.139441][ T5429] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.147831][ T5429] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 224.155780][ T5429] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 224.163739][ T5429] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 224.171699][ T5429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.179657][ T5429] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.187621][ T5429]
[ 224.191406][ T5429] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.204738][ T5429] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.508808][ T5431] loop1: detected capacity change from 0 to 32768
[ 224.601794][ T5431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.609479][ T5431] CPU: 1 PID: 5431 Comm: syz.1.175 Not tainted syzkaller #0
[ 224.616768][ T5431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 224.626822][ T5431] Call Trace:
[ 224.630100][ T5431]
[ 224.633039][ T5431] dump_stack_lvl+0x168/0x230
[ 224.637727][ T5431] ? show_regs_print_info+0x20/0x20
[ 224.642929][ T5431] ? load_image+0x3b0/0x3b0
[ 224.647444][ T5431] sysfs_create_dir_ns+0x252/0x280
[ 224.652561][ T5431] ? __lock_acquire+0x7c60/0x7c60
[ 224.657567][ T5431] ? sysfs_warn_dup+0xa0/0xa0
[ 224.662239][ T5431] ? do_raw_spin_unlock+0x11d/0x230
[ 224.667452][ T5431] kobject_add_internal+0x662/0xd00
[ 224.672635][ T5431] kobject_init_and_add+0x122/0x190
[ 224.677821][ T5431] ? lockdep_softirqs_off+0x420/0x420
[ 224.683172][ T5431] ? kobject_add+0x210/0x210
[ 224.687740][ T5431] ? __init_swait_queue_head+0xa5/0x150
[ 224.693266][ T5431] gfs2_sys_fs_add+0x234/0x480
[ 224.698007][ T5431] ? gfs2_recover_set+0x240/0x240
[ 224.703007][ T5431] ? snprintf+0xd7/0x120
[ 224.707225][ T5431] ? __free_pages+0x95/0x1a0
[ 224.711802][ T5431] ? vscnprintf+0x80/0x80
[ 224.716135][ T5431] gfs2_fill_super+0x128d/0x1f50
[ 224.721057][ T5431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.726058][ T5431] ? preempt_count_add+0x8d/0x190
[ 224.731070][ T5431] ? sb_set_blocksize+0xa5/0xe0
[ 224.735914][ T5431] get_tree_bdev+0x3f1/0x610
[ 224.740482][ T5431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.745485][ T5431] gfs2_get_tree+0x4d/0x1e0
[ 224.749964][ T5431] vfs_get_tree+0x88/0x270
[ 224.754356][ T5431] do_new_mount+0x24a/0xa40
[ 224.758838][ T5431] __se_sys_mount+0x2d6/0x3c0
[ 224.763493][ T5431] ? __x64_sys_mount+0xc0/0xc0
[ 224.768235][ T5431] ? lockdep_hardirqs_on+0x94/0x140
[ 224.773409][ T5431] ? __x64_sys_mount+0x1c/0xc0
[ 224.778149][ T5431] do_syscall_64+0x4c/0xa0
[ 224.782538][ T5431] ? clear_bhb_loop+0x30/0x80
[ 224.787209][ T5431] ? clear_bhb_loop+0x30/0x80
[ 224.791861][ T5431] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.797728][ T5431] RIP: 0033:0x7f82a55c538a
[ 224.802129][ T5431] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 224.821720][ T5431] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.830114][ T5431] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 224.838069][ T5431] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 224.846014][ T5431] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 224.853969][ T5431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.861920][ T5431] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.869891][ T5431]
[ 224.876585][ T5431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.889738][ T5431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.193083][ T5433] loop1: detected capacity change from 0 to 32768
[ 225.272174][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.279592][ T5433] CPU: 1 PID: 5433 Comm: syz.1.176 Not tainted syzkaller #0
[ 225.286882][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 225.296945][ T5433] Call Trace:
[ 225.300234][ T5433]
[ 225.303172][ T5433] dump_stack_lvl+0x168/0x230
[ 225.307863][ T5433] ? show_regs_print_info+0x20/0x20
[ 225.313072][ T5433] ? load_image+0x3b0/0x3b0
[ 225.317593][ T5433] sysfs_create_dir_ns+0x252/0x280
[ 225.322710][ T5433] ? __lock_acquire+0x7c60/0x7c60
[ 225.327741][ T5433] ? sysfs_warn_dup+0xa0/0xa0
[ 225.332555][ T5433] ? do_raw_spin_unlock+0x11d/0x230
[ 225.337741][ T5433] kobject_add_internal+0x662/0xd00
[ 225.342940][ T5433] kobject_init_and_add+0x122/0x190
[ 225.348114][ T5433] ? lockdep_softirqs_off+0x420/0x420
[ 225.353466][ T5433] ? kobject_add+0x210/0x210
[ 225.358051][ T5433] ? __init_swait_queue_head+0xa5/0x150
[ 225.363672][ T5433] gfs2_sys_fs_add+0x234/0x480
[ 225.368431][ T5433] ? gfs2_recover_set+0x240/0x240
[ 225.373446][ T5433] ? snprintf+0xd7/0x120
[ 225.377707][ T5433] ? __free_pages+0x95/0x1a0
[ 225.382292][ T5433] ? vscnprintf+0x80/0x80
[ 225.386630][ T5433] gfs2_fill_super+0x128d/0x1f50
[ 225.391559][ T5433] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.396559][ T5433] ? preempt_count_add+0x8d/0x190
[ 225.401567][ T5433] ? sb_set_blocksize+0xa5/0xe0
[ 225.406396][ T5433] get_tree_bdev+0x3f1/0x610
[ 225.410964][ T5433] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.416075][ T5433] gfs2_get_tree+0x4d/0x1e0
[ 225.420562][ T5433] vfs_get_tree+0x88/0x270
[ 225.424991][ T5433] do_new_mount+0x24a/0xa40
[ 225.429500][ T5433] __se_sys_mount+0x2d6/0x3c0
[ 225.434161][ T5433] ? __x64_sys_mount+0xc0/0xc0
[ 225.438903][ T5433] ? lockdep_hardirqs_on+0x94/0x140
[ 225.444078][ T5433] ? __x64_sys_mount+0x1c/0xc0
[ 225.448820][ T5433] do_syscall_64+0x4c/0xa0
[ 225.453208][ T5433] ? clear_bhb_loop+0x30/0x80
[ 225.457863][ T5433] ? clear_bhb_loop+0x30/0x80
[ 225.462522][ T5433] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.468391][ T5433] RIP: 0033:0x7f82a55c538a
[ 225.472789][ T5433] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 225.492388][ T5433] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.500779][ T5433] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 225.508728][ T5433] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 225.516672][ T5433] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 225.524620][ T5433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.532569][ T5433] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.540527][ T5433]
[ 225.545039][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.558220][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.898702][ T5435] loop1: detected capacity change from 0 to 32768
[ 225.952563][ T5435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.959977][ T5435] CPU: 0 PID: 5435 Comm: syz.1.177 Not tainted syzkaller #0
[ 225.967260][ T5435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 225.977326][ T5435] Call Trace:
[ 225.980613][ T5435]
[ 225.983549][ T5435] dump_stack_lvl+0x168/0x230
[ 225.988241][ T5435] ? show_regs_print_info+0x20/0x20
[ 225.993450][ T5435] ? load_image+0x3b0/0x3b0
[ 225.997973][ T5435] sysfs_create_dir_ns+0x252/0x280
[ 226.003093][ T5435] ? __lock_acquire+0x7c60/0x7c60
[ 226.008124][ T5435] ? sysfs_warn_dup+0xa0/0xa0
[ 226.012846][ T5435] ? do_raw_spin_unlock+0x11d/0x230
[ 226.018048][ T5435] kobject_add_internal+0x662/0xd00
[ 226.023255][ T5435] kobject_init_and_add+0x122/0x190
[ 226.028465][ T5435] ? lockdep_softirqs_off+0x420/0x420
[ 226.033838][ T5435] ? kobject_add+0x210/0x210
[ 226.038415][ T5435] ? __init_swait_queue_head+0xa5/0x150
[ 226.043947][ T5435] gfs2_sys_fs_add+0x234/0x480
[ 226.048693][ T5435] ? gfs2_recover_set+0x240/0x240
[ 226.053699][ T5435] ? snprintf+0xd7/0x120
[ 226.057921][ T5435] ? __free_pages+0x95/0x1a0
[ 226.062491][ T5435] ? vscnprintf+0x80/0x80
[ 226.066804][ T5435] gfs2_fill_super+0x128d/0x1f50
[ 226.071725][ T5435] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.076732][ T5435] ? preempt_count_add+0x8d/0x190
[ 226.081741][ T5435] ? sb_set_blocksize+0xa5/0xe0
[ 226.086600][ T5435] get_tree_bdev+0x3f1/0x610
[ 226.091175][ T5435] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.096188][ T5435] gfs2_get_tree+0x4d/0x1e0
[ 226.100669][ T5435] vfs_get_tree+0x88/0x270
[ 226.105063][ T5435] do_new_mount+0x24a/0xa40
[ 226.109547][ T5435] __se_sys_mount+0x2d6/0x3c0
[ 226.114200][ T5435] ? __x64_sys_mount+0xc0/0xc0
[ 226.118967][ T5435] ? lockdep_hardirqs_on+0x94/0x140
[ 226.124143][ T5435] ? __x64_sys_mount+0x1c/0xc0
[ 226.128888][ T5435] do_syscall_64+0x4c/0xa0
[ 226.133290][ T5435] ? clear_bhb_loop+0x30/0x80
[ 226.137959][ T5435] ? clear_bhb_loop+0x30/0x80
[ 226.142623][ T5435] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.148505][ T5435] RIP: 0033:0x7f82a55c538a
[ 226.152907][ T5435] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 226.172498][ T5435] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.180924][ T5435] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 226.188878][ T5435] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 226.196851][ T5435] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 226.204812][ T5435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.212767][ T5435] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.220733][ T5435]
[ 226.224336][ T5435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.237560][ T5435] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 07:29:43 executed programs: 163
[ 226.563818][ T5437] loop1: detected capacity change from 0 to 32768
[ 226.618015][ T5437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.625514][ T5437] CPU: 1 PID: 5437 Comm: syz.1.178 Not tainted syzkaller #0
[ 226.632800][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 226.642866][ T5437] Call Trace:
[ 226.646152][ T5437]
[ 226.649092][ T5437] dump_stack_lvl+0x168/0x230
[ 226.653781][ T5437] ? show_regs_print_info+0x20/0x20
[ 226.658986][ T5437] ? load_image+0x3b0/0x3b0
[ 226.663508][ T5437] sysfs_create_dir_ns+0x252/0x280
[ 226.668627][ T5437] ? __lock_acquire+0x7c60/0x7c60
[ 226.673664][ T5437] ? sysfs_warn_dup+0xa0/0xa0
[ 226.678352][ T5437] ? do_raw_spin_unlock+0x11d/0x230
[ 226.683563][ T5437] kobject_add_internal+0x662/0xd00
[ 226.688772][ T5437] kobject_init_and_add+0x122/0x190
[ 226.693971][ T5437] ? lockdep_softirqs_off+0x420/0x420
[ 226.699343][ T5437] ? kobject_add+0x210/0x210
[ 226.703948][ T5437] ? __init_swait_queue_head+0xa5/0x150
[ 226.709564][ T5437] gfs2_sys_fs_add+0x234/0x480
[ 226.714326][ T5437] ? gfs2_recover_set+0x240/0x240
[ 226.719330][ T5437] ? snprintf+0xd7/0x120
[ 226.723636][ T5437] ? __free_pages+0x95/0x1a0
[ 226.728204][ T5437] ? vscnprintf+0x80/0x80
[ 226.732526][ T5437] gfs2_fill_super+0x128d/0x1f50
[ 226.737466][ T5437] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.742470][ T5437] ? preempt_count_add+0x8d/0x190
[ 226.747476][ T5437] ? sb_set_blocksize+0xa5/0xe0
[ 226.752308][ T5437] get_tree_bdev+0x3f1/0x610
[ 226.756879][ T5437] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.761883][ T5437] gfs2_get_tree+0x4d/0x1e0
[ 226.766390][ T5437] vfs_get_tree+0x88/0x270
[ 226.770803][ T5437] do_new_mount+0x24a/0xa40
[ 226.775305][ T5437] __se_sys_mount+0x2d6/0x3c0
[ 226.779976][ T5437] ? __x64_sys_mount+0xc0/0xc0
[ 226.784721][ T5437] ? lockdep_hardirqs_on+0x94/0x140
[ 226.789910][ T5437] ? __x64_sys_mount+0x1c/0xc0
[ 226.794652][ T5437] do_syscall_64+0x4c/0xa0
[ 226.799050][ T5437] ? clear_bhb_loop+0x30/0x80
[ 226.803713][ T5437] ? clear_bhb_loop+0x30/0x80
[ 226.808377][ T5437] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.814247][ T5437] RIP: 0033:0x7f82a55c538a
[ 226.818640][ T5437] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 226.838233][ T5437] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.846628][ T5437] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 226.854581][ T5437] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 226.862535][ T5437] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 226.870487][ T5437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.878439][ T5437] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.886416][ T5437]
[ 226.891042][ T5437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.904193][ T5437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.213124][ T5439] loop1: detected capacity change from 0 to 32768
[ 227.258289][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.265816][ T5439] CPU: 0 PID: 5439 Comm: syz.1.179 Not tainted syzkaller #0
[ 227.273117][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 227.283370][ T5439] Call Trace:
[ 227.286658][ T5439]
[ 227.289641][ T5439] dump_stack_lvl+0x168/0x230
[ 227.294334][ T5439] ? show_regs_print_info+0x20/0x20
[ 227.299542][ T5439] ? load_image+0x3b0/0x3b0
[ 227.304070][ T5439] sysfs_create_dir_ns+0x252/0x280
[ 227.309196][ T5439] ? __lock_acquire+0x7c60/0x7c60
[ 227.314234][ T5439] ? sysfs_warn_dup+0xa0/0xa0
[ 227.318927][ T5439] ? do_raw_spin_unlock+0x11d/0x230
[ 227.324140][ T5439] kobject_add_internal+0x662/0xd00
[ 227.329355][ T5439] kobject_init_and_add+0x122/0x190
[ 227.334562][ T5439] ? lockdep_softirqs_off+0x420/0x420
[ 227.339946][ T5439] ? kobject_add+0x210/0x210
[ 227.344567][ T5439] ? __init_swait_queue_head+0xa5/0x150
[ 227.350109][ T5439] gfs2_sys_fs_add+0x234/0x480
[ 227.354865][ T5439] ? gfs2_recover_set+0x240/0x240
[ 227.359880][ T5439] ? snprintf+0xd7/0x120
[ 227.364114][ T5439] ? __free_pages+0x95/0x1a0
[ 227.368698][ T5439] ? vscnprintf+0x80/0x80
[ 227.373038][ T5439] gfs2_fill_super+0x128d/0x1f50
[ 227.377994][ T5439] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.383010][ T5439] ? preempt_count_add+0x8d/0x190
[ 227.388031][ T5439] ? sb_set_blocksize+0xa5/0xe0
[ 227.392976][ T5439] get_tree_bdev+0x3f1/0x610
[ 227.397559][ T5439] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.402573][ T5439] gfs2_get_tree+0x4d/0x1e0
[ 227.407063][ T5439] vfs_get_tree+0x88/0x270
[ 227.411511][ T5439] do_new_mount+0x24a/0xa40
[ 227.416014][ T5439] __se_sys_mount+0x2d6/0x3c0
[ 227.420697][ T5439] ? __x64_sys_mount+0xc0/0xc0
[ 227.425568][ T5439] ? lockdep_hardirqs_on+0x94/0x140
[ 227.430748][ T5439] ? __x64_sys_mount+0x1c/0xc0
[ 227.435668][ T5439] do_syscall_64+0x4c/0xa0
[ 227.440065][ T5439] ? clear_bhb_loop+0x30/0x80
[ 227.444752][ T5439] ? clear_bhb_loop+0x30/0x80
[ 227.449409][ T5439] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.455282][ T5439] RIP: 0033:0x7f82a55c538a
[ 227.459695][ T5439] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 227.479279][ T5439] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.487780][ T5439] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 227.495735][ T5439] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 227.503689][ T5439] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 227.511657][ T5439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.519608][ T5439] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.527671][ T5439]
[ 227.531305][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.544457][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.838854][ T5441] loop1: detected capacity change from 0 to 32768
[ 227.898587][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.906147][ T5441] CPU: 0 PID: 5441 Comm: syz.1.180 Not tainted syzkaller #0
[ 227.913438][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 227.923502][ T5441] Call Trace:
[ 227.926786][ T5441]
[ 227.929715][ T5441] dump_stack_lvl+0x168/0x230
[ 227.934403][ T5441] ? show_regs_print_info+0x20/0x20
[ 227.939611][ T5441] ? load_image+0x3b0/0x3b0
[ 227.944134][ T5441] sysfs_create_dir_ns+0x252/0x280
[ 227.949253][ T5441] ? __lock_acquire+0x7c60/0x7c60
[ 227.954311][ T5441] ? sysfs_warn_dup+0xa0/0xa0
[ 227.958997][ T5441] ? do_raw_spin_unlock+0x11d/0x230
[ 227.964198][ T5441] kobject_add_internal+0x662/0xd00
[ 227.969411][ T5441] kobject_init_and_add+0x122/0x190
[ 227.974610][ T5441] ? lockdep_softirqs_off+0x420/0x420
[ 227.979978][ T5441] ? kobject_add+0x210/0x210
[ 227.984550][ T5441] ? __init_swait_queue_head+0xa5/0x150
[ 227.990086][ T5441] gfs2_sys_fs_add+0x234/0x480
[ 227.994834][ T5441] ? gfs2_recover_set+0x240/0x240
[ 227.999842][ T5441] ? snprintf+0xd7/0x120
[ 228.004070][ T5441] ? __free_pages+0x95/0x1a0
[ 228.008640][ T5441] ? vscnprintf+0x80/0x80
[ 228.012965][ T5441] gfs2_fill_super+0x128d/0x1f50
[ 228.017910][ T5441] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.022925][ T5441] ? preempt_count_add+0x8d/0x190
[ 228.027934][ T5441] ? sb_set_blocksize+0xa5/0xe0
[ 228.032790][ T5441] get_tree_bdev+0x3f1/0x610
[ 228.037365][ T5441] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.042395][ T5441] gfs2_get_tree+0x4d/0x1e0
[ 228.046889][ T5441] vfs_get_tree+0x88/0x270
[ 228.051435][ T5441] do_new_mount+0x24a/0xa40
[ 228.055932][ T5441] __se_sys_mount+0x2d6/0x3c0
[ 228.060603][ T5441] ? __x64_sys_mount+0xc0/0xc0
[ 228.065370][ T5441] ? lockdep_hardirqs_on+0x94/0x140
[ 228.070549][ T5441] ? __x64_sys_mount+0x1c/0xc0
[ 228.075292][ T5441] do_syscall_64+0x4c/0xa0
[ 228.079688][ T5441] ? clear_bhb_loop+0x30/0x80
[ 228.084692][ T5441] ? clear_bhb_loop+0x30/0x80
[ 228.089359][ T5441] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.095240][ T5441] RIP: 0033:0x7f82a55c538a
[ 228.099643][ T5441] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 228.119233][ T5441] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.127643][ T5441] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 228.135614][ T5441] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 228.143573][ T5441] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 228.151530][ T5441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.159482][ T5441] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.167449][ T5441]
[ 228.171645][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.184809][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.484149][ T5443] loop1: detected capacity change from 0 to 32768
[ 228.501907][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.509348][ T5443] CPU: 0 PID: 5443 Comm: syz.1.181 Not tainted syzkaller #0
[ 228.516635][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 228.526794][ T5443] Call Trace:
[ 228.530085][ T5443]
[ 228.533023][ T5443] dump_stack_lvl+0x168/0x230
[ 228.537707][ T5443] ? show_regs_print_info+0x20/0x20
[ 228.542946][ T5443] ? load_image+0x3b0/0x3b0
[ 228.547467][ T5443] sysfs_create_dir_ns+0x252/0x280
[ 228.552582][ T5443] ? __lock_acquire+0x7c60/0x7c60
[ 228.557609][ T5443] ? sysfs_warn_dup+0xa0/0xa0
[ 228.562345][ T5443] ? do_raw_spin_unlock+0x11d/0x230
[ 228.567549][ T5443] kobject_add_internal+0x662/0xd00
[ 228.572758][ T5443] kobject_init_and_add+0x122/0x190
[ 228.577969][ T5443] ? lockdep_softirqs_off+0x420/0x420
[ 228.583353][ T5443] ? kobject_add+0x210/0x210
[ 228.587951][ T5443] ? __init_swait_queue_head+0xa5/0x150
[ 228.593498][ T5443] gfs2_sys_fs_add+0x234/0x480
[ 228.598245][ T5443] ? gfs2_recover_set+0x240/0x240
[ 228.603247][ T5443] ? snprintf+0xd7/0x120
[ 228.607470][ T5443] ? __free_pages+0x95/0x1a0
[ 228.612040][ T5443] ? vscnprintf+0x80/0x80
[ 228.616354][ T5443] gfs2_fill_super+0x128d/0x1f50
[ 228.621289][ T5443] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.626304][ T5443] ? preempt_count_add+0x8d/0x190
[ 228.631322][ T5443] ? sb_set_blocksize+0xa5/0xe0
[ 228.636162][ T5443] get_tree_bdev+0x3f1/0x610
[ 228.640742][ T5443] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.645889][ T5443] gfs2_get_tree+0x4d/0x1e0
[ 228.650478][ T5443] vfs_get_tree+0x88/0x270
[ 228.654888][ T5443] do_new_mount+0x24a/0xa40
[ 228.659388][ T5443] __se_sys_mount+0x2d6/0x3c0
[ 228.664067][ T5443] ? __x64_sys_mount+0xc0/0xc0
[ 228.668821][ T5443] ? lockdep_hardirqs_on+0x94/0x140
[ 228.674004][ T5443] ? __x64_sys_mount+0x1c/0xc0
[ 228.678761][ T5443] do_syscall_64+0x4c/0xa0
[ 228.683169][ T5443] ? clear_bhb_loop+0x30/0x80
[ 228.687836][ T5443] ? clear_bhb_loop+0x30/0x80
[ 228.692495][ T5443] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.698366][ T5443] RIP: 0033:0x7f82a55c538a
[ 228.702788][ T5443] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 228.722380][ T5443] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.730778][ T5443] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 228.738731][ T5443] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 228.746679][ T5443] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 228.754630][ T5443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.762596][ T5443] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.770640][ T5443]
[ 228.778826][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.792345][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.088393][ T5445] loop1: detected capacity change from 0 to 32768
[ 229.132549][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.141005][ T5445] CPU: 0 PID: 5445 Comm: syz.1.182 Not tainted syzkaller #0
[ 229.148314][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 229.158377][ T5445] Call Trace:
[ 229.161667][ T5445]
[ 229.164608][ T5445] dump_stack_lvl+0x168/0x230
[ 229.169300][ T5445] ? show_regs_print_info+0x20/0x20
[ 229.174505][ T5445] ? load_image+0x3b0/0x3b0
[ 229.179026][ T5445] sysfs_create_dir_ns+0x252/0x280
[ 229.184147][ T5445] ? __lock_acquire+0x7c60/0x7c60
[ 229.189181][ T5445] ? sysfs_warn_dup+0xa0/0xa0
[ 229.193867][ T5445] ? do_raw_spin_unlock+0x11d/0x230
[ 229.199072][ T5445] kobject_add_internal+0x662/0xd00
[ 229.204282][ T5445] kobject_init_and_add+0x122/0x190
[ 229.209485][ T5445] ? lockdep_softirqs_off+0x420/0x420
[ 229.214869][ T5445] ? kobject_add+0x210/0x210
[ 229.219468][ T5445] ? __init_swait_queue_head+0xa5/0x150
[ 229.225002][ T5445] gfs2_sys_fs_add+0x234/0x480
[ 229.229758][ T5445] ? gfs2_recover_set+0x240/0x240
[ 229.234772][ T5445] ? snprintf+0xd7/0x120
[ 229.239007][ T5445] ? __free_pages+0x95/0x1a0
[ 229.243582][ T5445] ? vscnprintf+0x80/0x80
[ 229.247907][ T5445] gfs2_fill_super+0x128d/0x1f50
[ 229.252859][ T5445] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.257867][ T5445] ? preempt_count_add+0x8d/0x190
[ 229.262889][ T5445] ? sb_set_blocksize+0xa5/0xe0
[ 229.267720][ T5445] get_tree_bdev+0x3f1/0x610
[ 229.272294][ T5445] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.277297][ T5445] gfs2_get_tree+0x4d/0x1e0
[ 229.281783][ T5445] vfs_get_tree+0x88/0x270
[ 229.286198][ T5445] do_new_mount+0x24a/0xa40
[ 229.290681][ T5445] __se_sys_mount+0x2d6/0x3c0
[ 229.295347][ T5445] ? __x64_sys_mount+0xc0/0xc0
[ 229.300094][ T5445] ? lockdep_hardirqs_on+0x94/0x140
[ 229.305280][ T5445] ? __x64_sys_mount+0x1c/0xc0
[ 229.310065][ T5445] do_syscall_64+0x4c/0xa0
[ 229.314464][ T5445] ? clear_bhb_loop+0x30/0x80
[ 229.319125][ T5445] ? clear_bhb_loop+0x30/0x80
[ 229.323784][ T5445] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.329655][ T5445] RIP: 0033:0x7f82a55c538a
[ 229.334073][ T5445] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 229.353693][ T5445] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.362200][ T5445] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 229.370157][ T5445] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 229.378108][ T5445] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 229.386061][ T5445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.394010][ T5445] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.401995][ T5445]
[ 229.405621][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.418975][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.721011][ T5447] loop1: detected capacity change from 0 to 32768
[ 229.769177][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.776631][ T5447] CPU: 0 PID: 5447 Comm: syz.1.183 Not tainted syzkaller #0
[ 229.783960][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 229.794026][ T5447] Call Trace:
[ 229.797308][ T5447]
[ 229.800236][ T5447] dump_stack_lvl+0x168/0x230
[ 229.805018][ T5447] ? show_regs_print_info+0x20/0x20
[ 229.810223][ T5447] ? load_image+0x3b0/0x3b0
[ 229.814741][ T5447] sysfs_create_dir_ns+0x252/0x280
[ 229.819858][ T5447] ? __lock_acquire+0x7c60/0x7c60
[ 229.824888][ T5447] ? sysfs_warn_dup+0xa0/0xa0
[ 229.829573][ T5447] ? do_raw_spin_unlock+0x11d/0x230
[ 229.834864][ T5447] kobject_add_internal+0x662/0xd00
[ 229.840074][ T5447] kobject_init_and_add+0x122/0x190
[ 229.845278][ T5447] ? lockdep_softirqs_off+0x420/0x420
[ 229.850650][ T5447] ? kobject_add+0x210/0x210
[ 229.855219][ T5447] ? __init_swait_queue_head+0xa5/0x150
[ 229.860745][ T5447] gfs2_sys_fs_add+0x234/0x480
[ 229.865500][ T5447] ? gfs2_recover_set+0x240/0x240
[ 229.870507][ T5447] ? snprintf+0xd7/0x120
[ 229.874732][ T5447] ? __free_pages+0x95/0x1a0
[ 229.879325][ T5447] ? vscnprintf+0x80/0x80
[ 229.883724][ T5447] gfs2_fill_super+0x128d/0x1f50
[ 229.888660][ T5447] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.893665][ T5447] ? preempt_count_add+0x8d/0x190
[ 229.898672][ T5447] ? sb_set_blocksize+0xa5/0xe0
[ 229.903505][ T5447] get_tree_bdev+0x3f1/0x610
[ 229.908083][ T5447] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.913085][ T5447] gfs2_get_tree+0x4d/0x1e0
[ 229.917575][ T5447] vfs_get_tree+0x88/0x270
[ 229.921969][ T5447] do_new_mount+0x24a/0xa40
[ 229.926455][ T5447] __se_sys_mount+0x2d6/0x3c0
[ 229.931121][ T5447] ? __x64_sys_mount+0xc0/0xc0
[ 229.935880][ T5447] ? lockdep_hardirqs_on+0x94/0x140
[ 229.941061][ T5447] ? __x64_sys_mount+0x1c/0xc0
[ 229.945835][ T5447] do_syscall_64+0x4c/0xa0
[ 229.950227][ T5447] ? clear_bhb_loop+0x30/0x80
[ 229.954879][ T5447] ? clear_bhb_loop+0x30/0x80
[ 229.959533][ T5447] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.965402][ T5447] RIP: 0033:0x7f82a55c538a
[ 229.969795][ T5447] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 229.989379][ T5447] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.997773][ T5447] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 230.005727][ T5447] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 230.013686][ T5447] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 230.021653][ T5447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.029606][ T5447] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.037705][ T5447]
[ 230.050429][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.063638][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.366074][ T5449] loop1: detected capacity change from 0 to 32768
[ 230.419849][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.427314][ T5449] CPU: 0 PID: 5449 Comm: syz.1.184 Not tainted syzkaller #0
[ 230.434608][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 230.444670][ T5449] Call Trace:
[ 230.447952][ T5449]
[ 230.450887][ T5449] dump_stack_lvl+0x168/0x230
[ 230.455576][ T5449] ? show_regs_print_info+0x20/0x20
[ 230.460791][ T5449] ? load_image+0x3b0/0x3b0
[ 230.465323][ T5449] sysfs_create_dir_ns+0x252/0x280
[ 230.470447][ T5449] ? __lock_acquire+0x7c60/0x7c60
[ 230.475476][ T5449] ? sysfs_warn_dup+0xa0/0xa0
[ 230.480161][ T5449] ? do_raw_spin_unlock+0x11d/0x230
[ 230.485363][ T5449] kobject_add_internal+0x662/0xd00
[ 230.490656][ T5449] kobject_init_and_add+0x122/0x190
[ 230.495871][ T5449] ? lockdep_softirqs_off+0x420/0x420
[ 230.501365][ T5449] ? kobject_add+0x210/0x210
[ 230.505947][ T5449] ? __init_swait_queue_head+0xa5/0x150
[ 230.511482][ T5449] gfs2_sys_fs_add+0x234/0x480
[ 230.516229][ T5449] ? gfs2_recover_set+0x240/0x240
[ 230.521231][ T5449] ? snprintf+0xd7/0x120
[ 230.525577][ T5449] ? __free_pages+0x95/0x1a0
[ 230.530157][ T5449] ? vscnprintf+0x80/0x80
[ 230.534475][ T5449] gfs2_fill_super+0x128d/0x1f50
[ 230.539402][ T5449] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.544415][ T5449] ? preempt_count_add+0x8d/0x190
[ 230.549434][ T5449] ? sb_set_blocksize+0xa5/0xe0
[ 230.554273][ T5449] get_tree_bdev+0x3f1/0x610
[ 230.558862][ T5449] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.563872][ T5449] gfs2_get_tree+0x4d/0x1e0
[ 230.568364][ T5449] vfs_get_tree+0x88/0x270
[ 230.572776][ T5449] do_new_mount+0x24a/0xa40
[ 230.577269][ T5449] __se_sys_mount+0x2d6/0x3c0
[ 230.581932][ T5449] ? __x64_sys_mount+0xc0/0xc0
[ 230.586685][ T5449] ? lockdep_hardirqs_on+0x94/0x140
[ 230.591869][ T5449] ? __x64_sys_mount+0x1c/0xc0
[ 230.596628][ T5449] do_syscall_64+0x4c/0xa0
[ 230.601052][ T5449] ? clear_bhb_loop+0x30/0x80
[ 230.605824][ T5449] ? clear_bhb_loop+0x30/0x80
[ 230.610485][ T5449] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.616358][ T5449] RIP: 0033:0x7f82a55c538a
[ 230.620758][ T5449] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 230.640434][ T5449] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.648853][ T5449] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 230.656841][ T5449] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 230.664809][ T5449] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 230.672795][ T5449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.680760][ T5449] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.688840][ T5449]
[ 230.692747][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.705888][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.015308][ T5451] loop1: detected capacity change from 0 to 32768
[ 231.093506][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.101085][ T5451] CPU: 0 PID: 5451 Comm: syz.1.185 Not tainted syzkaller #0
[ 231.108381][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 231.118441][ T5451] Call Trace:
[ 231.121750][ T5451]
[ 231.124773][ T5451] dump_stack_lvl+0x168/0x230
[ 231.129463][ T5451] ? show_regs_print_info+0x20/0x20
[ 231.134677][ T5451] ? load_image+0x3b0/0x3b0
[ 231.139196][ T5451] sysfs_create_dir_ns+0x252/0x280
[ 231.144314][ T5451] ? __lock_acquire+0x7c60/0x7c60
[ 231.149320][ T5451] ? sysfs_warn_dup+0xa0/0xa0
[ 231.153974][ T5451] ? do_raw_spin_unlock+0x11d/0x230
[ 231.159151][ T5451] kobject_add_internal+0x662/0xd00
[ 231.164334][ T5451] kobject_init_and_add+0x122/0x190
[ 231.169513][ T5451] ? lockdep_softirqs_off+0x420/0x420
[ 231.174878][ T5451] ? kobject_add+0x210/0x210
[ 231.179444][ T5451] ? __init_swait_queue_head+0xa5/0x150
[ 231.184965][ T5451] gfs2_sys_fs_add+0x234/0x480
[ 231.189716][ T5451] ? gfs2_recover_set+0x240/0x240
[ 231.194715][ T5451] ? snprintf+0xd7/0x120
[ 231.198935][ T5451] ? __free_pages+0x95/0x1a0
[ 231.203504][ T5451] ? vscnprintf+0x80/0x80
[ 231.207813][ T5451] gfs2_fill_super+0x128d/0x1f50
[ 231.212832][ T5451] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.217844][ T5451] ? preempt_count_add+0x8d/0x190
[ 231.223199][ T5451] ? sb_set_blocksize+0xa5/0xe0
[ 231.228027][ T5451] get_tree_bdev+0x3f1/0x610
[ 231.232672][ T5451] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.237676][ T5451] gfs2_get_tree+0x4d/0x1e0
[ 231.242158][ T5451] vfs_get_tree+0x88/0x270
[ 231.246574][ T5451] do_new_mount+0x24a/0xa40
[ 231.251146][ T5451] __se_sys_mount+0x2d6/0x3c0
[ 231.255803][ T5451] ? __x64_sys_mount+0xc0/0xc0
[ 231.260565][ T5451] ? lockdep_hardirqs_on+0x94/0x140
[ 231.265753][ T5451] ? __x64_sys_mount+0x1c/0xc0
[ 231.270499][ T5451] do_syscall_64+0x4c/0xa0
[ 231.274899][ T5451] ? clear_bhb_loop+0x30/0x80
[ 231.279551][ T5451] ? clear_bhb_loop+0x30/0x80
[ 231.284213][ T5451] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.290086][ T5451] RIP: 0033:0x7f82a55c538a
[ 231.294483][ T5451] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 231.314154][ T5451] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.322566][ T5451] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 231.330552][ T5451] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 231.338539][ T5451] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 231.346519][ T5451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.354473][ T5451] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.362437][ T5451]
[ 231.372338][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.385847][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 07:29:48 executed programs: 171
[ 231.708124][ T5453] loop1: detected capacity change from 0 to 32768
[ 231.771031][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.778796][ T5453] CPU: 0 PID: 5453 Comm: syz.1.186 Not tainted syzkaller #0
[ 231.786133][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 231.796203][ T5453] Call Trace:
[ 231.799489][ T5453]
[ 231.802430][ T5453] dump_stack_lvl+0x168/0x230
[ 231.807117][ T5453] ? show_regs_print_info+0x20/0x20
[ 231.812332][ T5453] ? load_image+0x3b0/0x3b0
[ 231.816860][ T5453] sysfs_create_dir_ns+0x252/0x280
[ 231.821985][ T5453] ? __lock_acquire+0x7c60/0x7c60
[ 231.827019][ T5453] ? sysfs_warn_dup+0xa0/0xa0
[ 231.831706][ T5453] ? do_raw_spin_unlock+0x11d/0x230
[ 231.836919][ T5453] kobject_add_internal+0x662/0xd00
[ 231.842131][ T5453] kobject_init_and_add+0x122/0x190
[ 231.847330][ T5453] ? lockdep_softirqs_off+0x420/0x420
[ 231.852706][ T5453] ? kobject_add+0x210/0x210
[ 231.857458][ T5453] ? __init_swait_queue_head+0xa5/0x150
[ 231.862986][ T5453] gfs2_sys_fs_add+0x234/0x480
[ 231.867728][ T5453] ? gfs2_recover_set+0x240/0x240
[ 231.872728][ T5453] ? snprintf+0xd7/0x120
[ 231.876947][ T5453] ? __free_pages+0x95/0x1a0
[ 231.881519][ T5453] ? vscnprintf+0x80/0x80
[ 231.885832][ T5453] gfs2_fill_super+0x128d/0x1f50
[ 231.890753][ T5453] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.895758][ T5453] ? preempt_count_add+0x8d/0x190
[ 231.900773][ T5453] ? sb_set_blocksize+0xa5/0xe0
[ 231.905624][ T5453] get_tree_bdev+0x3f1/0x610
[ 231.910198][ T5453] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.915218][ T5453] gfs2_get_tree+0x4d/0x1e0
[ 231.919703][ T5453] vfs_get_tree+0x88/0x270
[ 231.924098][ T5453] do_new_mount+0x24a/0xa40
[ 231.928590][ T5453] __se_sys_mount+0x2d6/0x3c0
[ 231.933245][ T5453] ? __x64_sys_mount+0xc0/0xc0
[ 231.937986][ T5453] ? lockdep_hardirqs_on+0x94/0x140
[ 231.943172][ T5453] ? __x64_sys_mount+0x1c/0xc0
[ 231.947921][ T5453] do_syscall_64+0x4c/0xa0
[ 231.952318][ T5453] ? clear_bhb_loop+0x30/0x80
[ 231.957057][ T5453] ? clear_bhb_loop+0x30/0x80
[ 231.961708][ T5453] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.967587][ T5453] RIP: 0033:0x7f82a55c538a
[ 231.971978][ T5453] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 231.991725][ T5453] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.000130][ T5453] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 232.008109][ T5453] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 232.016062][ T5453] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 232.024016][ T5453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.031978][ T5453] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.039942][ T5453]
[ 232.043627][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.056802][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.371339][ T5455] loop1: detected capacity change from 0 to 32768
[ 232.453630][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.463213][ T5455] CPU: 1 PID: 5455 Comm: syz.1.187 Not tainted syzkaller #0
[ 232.470514][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 232.480570][ T5455] Call Trace:
[ 232.483851][ T5455]
[ 232.486780][ T5455] dump_stack_lvl+0x168/0x230
[ 232.491475][ T5455] ? show_regs_print_info+0x20/0x20
[ 232.496679][ T5455] ? load_image+0x3b0/0x3b0
[ 232.501199][ T5455] sysfs_create_dir_ns+0x252/0x280
[ 232.506319][ T5455] ? __lock_acquire+0x7c60/0x7c60
[ 232.511345][ T5455] ? sysfs_warn_dup+0xa0/0xa0
[ 232.516006][ T5455] ? do_raw_spin_unlock+0x11d/0x230
[ 232.521181][ T5455] kobject_add_internal+0x662/0xd00
[ 232.526360][ T5455] kobject_init_and_add+0x122/0x190
[ 232.531547][ T5455] ? lockdep_softirqs_off+0x420/0x420
[ 232.537608][ T5455] ? kobject_add+0x210/0x210
[ 232.542197][ T5455] ? __init_swait_queue_head+0xa5/0x150
[ 232.547720][ T5455] gfs2_sys_fs_add+0x234/0x480
[ 232.552458][ T5455] ? gfs2_recover_set+0x240/0x240
[ 232.557459][ T5455] ? snprintf+0xd7/0x120
[ 232.561679][ T5455] ? __free_pages+0x95/0x1a0
[ 232.566260][ T5455] ? vscnprintf+0x80/0x80
[ 232.570589][ T5455] gfs2_fill_super+0x128d/0x1f50
[ 232.575529][ T5455] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.580534][ T5455] ? preempt_count_add+0x8d/0x190
[ 232.585546][ T5455] ? sb_set_blocksize+0xa5/0xe0
[ 232.590400][ T5455] get_tree_bdev+0x3f1/0x610
[ 232.594968][ T5455] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.599971][ T5455] gfs2_get_tree+0x4d/0x1e0
[ 232.604458][ T5455] vfs_get_tree+0x88/0x270
[ 232.608859][ T5455] do_new_mount+0x24a/0xa40
[ 232.613348][ T5455] __se_sys_mount+0x2d6/0x3c0
[ 232.618036][ T5455] ? __x64_sys_mount+0xc0/0xc0
[ 232.622807][ T5455] ? lockdep_hardirqs_on+0x94/0x140
[ 232.628003][ T5455] ? __x64_sys_mount+0x1c/0xc0
[ 232.632830][ T5455] do_syscall_64+0x4c/0xa0
[ 232.637223][ T5455] ? clear_bhb_loop+0x30/0x80
[ 232.641888][ T5455] ? clear_bhb_loop+0x30/0x80
[ 232.646547][ T5455] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.652423][ T5455] RIP: 0033:0x7f82a55c538a
[ 232.656818][ T5455] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 232.676415][ T5455] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.684810][ T5455] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 232.692846][ T5455] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 232.700799][ T5455] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 232.708879][ T5455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.716832][ T5455] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.724804][ T5455]
[ 232.729492][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.742658][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.074012][ T5457] loop1: detected capacity change from 0 to 32768
[ 233.118508][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.127882][ T5457] CPU: 1 PID: 5457 Comm: syz.1.188 Not tainted syzkaller #0
[ 233.135191][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 233.145337][ T5457] Call Trace:
[ 233.148619][ T5457]
[ 233.151556][ T5457] dump_stack_lvl+0x168/0x230
[ 233.156248][ T5457] ? show_regs_print_info+0x20/0x20
[ 233.161461][ T5457] ? load_image+0x3b0/0x3b0
[ 233.165983][ T5457] sysfs_create_dir_ns+0x252/0x280
[ 233.171103][ T5457] ? __lock_acquire+0x7c60/0x7c60
[ 233.176142][ T5457] ? sysfs_warn_dup+0xa0/0xa0
[ 233.180838][ T5457] ? do_raw_spin_unlock+0x11d/0x230
[ 233.186067][ T5457] kobject_add_internal+0x662/0xd00
[ 233.191286][ T5457] kobject_init_and_add+0x122/0x190
[ 233.196469][ T5457] ? lockdep_softirqs_off+0x420/0x420
[ 233.201843][ T5457] ? kobject_add+0x210/0x210
[ 233.206421][ T5457] ? __init_swait_queue_head+0xa5/0x150
[ 233.211949][ T5457] gfs2_sys_fs_add+0x234/0x480
[ 233.216701][ T5457] ? gfs2_recover_set+0x240/0x240
[ 233.221706][ T5457] ? snprintf+0xd7/0x120
[ 233.225956][ T5457] ? __free_pages+0x95/0x1a0
[ 233.230530][ T5457] ? vscnprintf+0x80/0x80
[ 233.234846][ T5457] gfs2_fill_super+0x128d/0x1f50
[ 233.239771][ T5457] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.244777][ T5457] ? preempt_count_add+0x8d/0x190
[ 233.249791][ T5457] ? sb_set_blocksize+0xa5/0xe0
[ 233.254625][ T5457] get_tree_bdev+0x3f1/0x610
[ 233.259232][ T5457] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.264252][ T5457] gfs2_get_tree+0x4d/0x1e0
[ 233.268749][ T5457] vfs_get_tree+0x88/0x270
[ 233.273182][ T5457] do_new_mount+0x24a/0xa40
[ 233.277682][ T5457] __se_sys_mount+0x2d6/0x3c0
[ 233.282360][ T5457] ? __x64_sys_mount+0xc0/0xc0
[ 233.287550][ T5457] ? lockdep_hardirqs_on+0x94/0x140
[ 233.292739][ T5457] ? __x64_sys_mount+0x1c/0xc0
[ 233.297596][ T5457] do_syscall_64+0x4c/0xa0
[ 233.302197][ T5457] ? clear_bhb_loop+0x30/0x80
[ 233.306862][ T5457] ? clear_bhb_loop+0x30/0x80
[ 233.311520][ T5457] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.317451][ T5457] RIP: 0033:0x7f82a55c538a
[ 233.321852][ T5457] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 233.341443][ T5457] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.349841][ T5457] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 233.357788][ T5457] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 233.365931][ T5457] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 233.373894][ T5457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.381935][ T5457] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.389900][ T5457]
[ 233.394895][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.408214][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.709912][ T5459] loop1: detected capacity change from 0 to 32768
[ 233.793683][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.801889][ T5459] CPU: 1 PID: 5459 Comm: syz.1.189 Not tainted syzkaller #0
[ 233.809184][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 233.819235][ T5459] Call Trace:
[ 233.822521][ T5459]
[ 233.825470][ T5459] dump_stack_lvl+0x168/0x230
[ 233.830165][ T5459] ? show_regs_print_info+0x20/0x20
[ 233.835376][ T5459] ? load_image+0x3b0/0x3b0
[ 233.839898][ T5459] sysfs_create_dir_ns+0x252/0x280
[ 233.845016][ T5459] ? __lock_acquire+0x7c60/0x7c60
[ 233.850053][ T5459] ? sysfs_warn_dup+0xa0/0xa0
[ 233.854732][ T5459] ? do_raw_spin_unlock+0x11d/0x230
[ 233.860019][ T5459] kobject_add_internal+0x662/0xd00
[ 233.865208][ T5459] kobject_init_and_add+0x122/0x190
[ 233.870411][ T5459] ? lockdep_softirqs_off+0x420/0x420
[ 233.875771][ T5459] ? kobject_add+0x210/0x210
[ 233.880357][ T5459] ? __init_swait_queue_head+0xa5/0x150
[ 233.885880][ T5459] gfs2_sys_fs_add+0x234/0x480
[ 233.890625][ T5459] ? gfs2_recover_set+0x240/0x240
[ 233.895627][ T5459] ? snprintf+0xd7/0x120
[ 233.899844][ T5459] ? __free_pages+0x95/0x1a0
[ 233.904413][ T5459] ? vscnprintf+0x80/0x80
[ 233.908746][ T5459] gfs2_fill_super+0x128d/0x1f50
[ 233.913670][ T5459] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.918675][ T5459] ? preempt_count_add+0x8d/0x190
[ 233.923683][ T5459] ? sb_set_blocksize+0xa5/0xe0
[ 233.928515][ T5459] get_tree_bdev+0x3f1/0x610
[ 233.933088][ T5459] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.938094][ T5459] gfs2_get_tree+0x4d/0x1e0
[ 233.942600][ T5459] vfs_get_tree+0x88/0x270
[ 233.946994][ T5459] do_new_mount+0x24a/0xa40
[ 233.951477][ T5459] __se_sys_mount+0x2d6/0x3c0
[ 233.956135][ T5459] ? __x64_sys_mount+0xc0/0xc0
[ 233.960879][ T5459] ? lockdep_hardirqs_on+0x94/0x140
[ 233.966072][ T5459] ? __x64_sys_mount+0x1c/0xc0
[ 233.970818][ T5459] do_syscall_64+0x4c/0xa0
[ 233.975226][ T5459] ? clear_bhb_loop+0x30/0x80
[ 233.979890][ T5459] ? clear_bhb_loop+0x30/0x80
[ 233.984626][ T5459] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.990497][ T5459] RIP: 0033:0x7f82a55c538a
[ 233.994900][ T5459] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 234.014494][ T5459] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.022901][ T5459] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 234.030860][ T5459] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 234.038846][ T5459] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 234.047146][ T5459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.055096][ T5459] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.063056][ T5459]
[ 234.067614][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.080926][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.377625][ T5461] loop1: detected capacity change from 0 to 32768
[ 234.479389][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.487534][ T5461] CPU: 1 PID: 5461 Comm: syz.1.190 Not tainted syzkaller #0
[ 234.494852][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 234.504913][ T5461] Call Trace:
[ 234.508200][ T5461]
[ 234.511134][ T5461] dump_stack_lvl+0x168/0x230
[ 234.515825][ T5461] ? show_regs_print_info+0x20/0x20
[ 234.521037][ T5461] ? load_image+0x3b0/0x3b0
[ 234.525566][ T5461] sysfs_create_dir_ns+0x252/0x280
[ 234.530685][ T5461] ? __lock_acquire+0x7c60/0x7c60
[ 234.535693][ T5461] ? sysfs_warn_dup+0xa0/0xa0
[ 234.540359][ T5461] ? do_raw_spin_unlock+0x11d/0x230
[ 234.545558][ T5461] kobject_add_internal+0x662/0xd00
[ 234.550743][ T5461] kobject_init_and_add+0x122/0x190
[ 234.555917][ T5461] ? lockdep_softirqs_off+0x420/0x420
[ 234.561373][ T5461] ? kobject_add+0x210/0x210
[ 234.565968][ T5461] ? __init_swait_queue_head+0xa5/0x150
[ 234.571506][ T5461] gfs2_sys_fs_add+0x234/0x480
[ 234.576257][ T5461] ? gfs2_recover_set+0x240/0x240
[ 234.581272][ T5461] ? snprintf+0xd7/0x120
[ 234.585552][ T5461] ? __free_pages+0x95/0x1a0
[ 234.590128][ T5461] ? vscnprintf+0x80/0x80
[ 234.594444][ T5461] gfs2_fill_super+0x128d/0x1f50
[ 234.599370][ T5461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.604393][ T5461] ? preempt_count_add+0x8d/0x190
[ 234.609438][ T5461] ? sb_set_blocksize+0xa5/0xe0
[ 234.614269][ T5461] get_tree_bdev+0x3f1/0x610
[ 234.618856][ T5461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.623858][ T5461] gfs2_get_tree+0x4d/0x1e0
[ 234.628365][ T5461] vfs_get_tree+0x88/0x270
[ 234.632791][ T5461] do_new_mount+0x24a/0xa40
[ 234.637278][ T5461] __se_sys_mount+0x2d6/0x3c0
[ 234.641957][ T5461] ? __x64_sys_mount+0xc0/0xc0
[ 234.646734][ T5461] ? lockdep_hardirqs_on+0x94/0x140
[ 234.651919][ T5461] ? __x64_sys_mount+0x1c/0xc0
[ 234.657394][ T5461] do_syscall_64+0x4c/0xa0
[ 234.661803][ T5461] ? clear_bhb_loop+0x30/0x80
[ 234.666479][ T5461] ? clear_bhb_loop+0x30/0x80
[ 234.671144][ T5461] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.677027][ T5461] RIP: 0033:0x7f82a55c538a
[ 234.681447][ T5461] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 234.701152][ T5461] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.709572][ T5461] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 234.717534][ T5461] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 234.725488][ T5461] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 234.733547][ T5461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.741515][ T5461] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.749500][ T5461]
[ 234.754144][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.767452][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.082583][ T5463] loop1: detected capacity change from 0 to 32768
[ 235.126464][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.134196][ T5463] CPU: 1 PID: 5463 Comm: syz.1.191 Not tainted syzkaller #0
[ 235.141495][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 235.151550][ T5463] Call Trace:
[ 235.154828][ T5463]
[ 235.157764][ T5463] dump_stack_lvl+0x168/0x230
[ 235.162455][ T5463] ? show_regs_print_info+0x20/0x20
[ 235.167664][ T5463] ? load_image+0x3b0/0x3b0
[ 235.172186][ T5463] sysfs_create_dir_ns+0x252/0x280
[ 235.177321][ T5463] ? __lock_acquire+0x7c60/0x7c60
[ 235.182351][ T5463] ? sysfs_warn_dup+0xa0/0xa0
[ 235.187046][ T5463] ? do_raw_spin_unlock+0x11d/0x230
[ 235.192267][ T5463] kobject_add_internal+0x662/0xd00
[ 235.197489][ T5463] kobject_init_and_add+0x122/0x190
[ 235.202705][ T5463] ? lockdep_softirqs_off+0x420/0x420
[ 235.208095][ T5463] ? kobject_add+0x210/0x210
[ 235.212704][ T5463] ? __init_swait_queue_head+0xa5/0x150
[ 235.218929][ T5463] gfs2_sys_fs_add+0x234/0x480
[ 235.223692][ T5463] ? gfs2_recover_set+0x240/0x240
[ 235.228716][ T5463] ? snprintf+0xd7/0x120
[ 235.233008][ T5463] ? __free_pages+0x95/0x1a0
[ 235.237594][ T5463] ? vscnprintf+0x80/0x80
[ 235.241931][ T5463] gfs2_fill_super+0x128d/0x1f50
[ 235.246864][ T5463] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.251867][ T5463] ? preempt_count_add+0x8d/0x190
[ 235.256875][ T5463] ? sb_set_blocksize+0xa5/0xe0
[ 235.262146][ T5463] get_tree_bdev+0x3f1/0x610
[ 235.266846][ T5463] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.271881][ T5463] gfs2_get_tree+0x4d/0x1e0
[ 235.276372][ T5463] vfs_get_tree+0x88/0x270
[ 235.280773][ T5463] do_new_mount+0x24a/0xa40
[ 235.285327][ T5463] __se_sys_mount+0x2d6/0x3c0
[ 235.290023][ T5463] ? __x64_sys_mount+0xc0/0xc0
[ 235.294789][ T5463] ? lockdep_hardirqs_on+0x94/0x140
[ 235.299999][ T5463] ? __x64_sys_mount+0x1c/0xc0
[ 235.304913][ T5463] do_syscall_64+0x4c/0xa0
[ 235.309324][ T5463] ? clear_bhb_loop+0x30/0x80
[ 235.314008][ T5463] ? clear_bhb_loop+0x30/0x80
[ 235.318677][ T5463] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.324557][ T5463] RIP: 0033:0x7f82a55c538a
[ 235.328956][ T5463] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 235.348573][ T5463] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.356983][ T5463] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 235.364969][ T5463] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 235.372930][ T5463] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 235.380889][ T5463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.388849][ T5463] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.396942][ T5463]
[ 235.401872][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.415050][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.716016][ T5465] loop1: detected capacity change from 0 to 32768
[ 235.779881][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.787364][ T5465] CPU: 0 PID: 5465 Comm: syz.1.192 Not tainted syzkaller #0
[ 235.794664][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 235.804727][ T5465] Call Trace:
[ 235.808012][ T5465]
[ 235.810944][ T5465] dump_stack_lvl+0x168/0x230
[ 235.815632][ T5465] ? show_regs_print_info+0x20/0x20
[ 235.820841][ T5465] ? load_image+0x3b0/0x3b0
[ 235.825363][ T5465] sysfs_create_dir_ns+0x252/0x280
[ 235.830484][ T5465] ? __lock_acquire+0x7c60/0x7c60
[ 235.835517][ T5465] ? sysfs_warn_dup+0xa0/0xa0
[ 235.840202][ T5465] ? do_raw_spin_unlock+0x11d/0x230
[ 235.845407][ T5465] kobject_add_internal+0x662/0xd00
[ 235.850615][ T5465] kobject_init_and_add+0x122/0x190
[ 235.855810][ T5465] ? lockdep_softirqs_off+0x420/0x420
[ 235.861193][ T5465] ? kobject_add+0x210/0x210
[ 235.865780][ T5465] ? __init_swait_queue_head+0xa5/0x150
[ 235.871310][ T5465] gfs2_sys_fs_add+0x234/0x480
[ 235.876067][ T5465] ? gfs2_recover_set+0x240/0x240
[ 235.881335][ T5465] ? snprintf+0xd7/0x120
[ 235.885567][ T5465] ? __free_pages+0x95/0x1a0
[ 235.890144][ T5465] ? vscnprintf+0x80/0x80
[ 235.894473][ T5465] gfs2_fill_super+0x128d/0x1f50
[ 235.899424][ T5465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.904431][ T5465] ? preempt_count_add+0x8d/0x190
[ 235.909443][ T5465] ? sb_set_blocksize+0xa5/0xe0
[ 235.914276][ T5465] get_tree_bdev+0x3f1/0x610
[ 235.919118][ T5465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.924132][ T5465] gfs2_get_tree+0x4d/0x1e0
[ 235.928632][ T5465] vfs_get_tree+0x88/0x270
[ 235.933029][ T5465] do_new_mount+0x24a/0xa40
[ 235.937522][ T5465] __se_sys_mount+0x2d6/0x3c0
[ 235.942205][ T5465] ? __x64_sys_mount+0xc0/0xc0
[ 235.946966][ T5465] ? lockdep_hardirqs_on+0x94/0x140
[ 235.952143][ T5465] ? __x64_sys_mount+0x1c/0xc0
[ 235.956890][ T5465] do_syscall_64+0x4c/0xa0
[ 235.961292][ T5465] ? clear_bhb_loop+0x30/0x80
[ 235.965949][ T5465] ? clear_bhb_loop+0x30/0x80
[ 235.970605][ T5465] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.976482][ T5465] RIP: 0033:0x7f82a55c538a
[ 235.980903][ T5465] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 236.000506][ T5465] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.008908][ T5465] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 236.016865][ T5465] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 236.024815][ T5465] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 236.032773][ T5465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.040729][ T5465] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.048715][ T5465]
[ 236.052292][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.065424][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.421715][ T5467] loop1: detected capacity change from 0 to 32768
[ 236.479962][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.488979][ T5467] CPU: 1 PID: 5467 Comm: syz.1.193 Not tainted syzkaller #0
[ 236.496286][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 236.506349][ T5467] Call Trace:
[ 236.509637][ T5467]
[ 236.512569][ T5467] dump_stack_lvl+0x168/0x230
[ 236.517257][ T5467] ? show_regs_print_info+0x20/0x20
[ 236.522598][ T5467] ? load_image+0x3b0/0x3b0
[ 236.527123][ T5467] sysfs_create_dir_ns+0x252/0x280
[ 236.532246][ T5467] ? __lock_acquire+0x7c60/0x7c60
[ 236.537281][ T5467] ? sysfs_warn_dup+0xa0/0xa0
[ 236.541970][ T5467] ? do_raw_spin_unlock+0x11d/0x230
[ 236.547175][ T5467] kobject_add_internal+0x662/0xd00
[ 236.552476][ T5467] kobject_init_and_add+0x122/0x190
[ 236.557682][ T5467] ? lockdep_softirqs_off+0x420/0x420
[ 236.563048][ T5467] ? kobject_add+0x210/0x210
[ 236.567637][ T5467] ? __init_swait_queue_head+0xa5/0x150
[ 236.573200][ T5467] gfs2_sys_fs_add+0x234/0x480
[ 236.577959][ T5467] ? gfs2_recover_set+0x240/0x240
[ 236.582964][ T5467] ? snprintf+0xd7/0x120
[ 236.587204][ T5467] ? __free_pages+0x95/0x1a0
[ 236.591780][ T5467] ? vscnprintf+0x80/0x80
[ 236.596121][ T5467] gfs2_fill_super+0x128d/0x1f50
[ 236.601234][ T5467] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.606237][ T5467] ? preempt_count_add+0x8d/0x190
[ 236.611264][ T5467] ? sb_set_blocksize+0xa5/0xe0
[ 236.616103][ T5467] get_tree_bdev+0x3f1/0x610
[ 236.620676][ T5467] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.625698][ T5467] gfs2_get_tree+0x4d/0x1e0
[ 236.630551][ T5467] vfs_get_tree+0x88/0x270
[ 236.634948][ T5467] do_new_mount+0x24a/0xa40
[ 236.639448][ T5467] __se_sys_mount+0x2d6/0x3c0
[ 236.644106][ T5467] ? __x64_sys_mount+0xc0/0xc0
[ 236.648855][ T5467] ? lockdep_hardirqs_on+0x94/0x140
[ 236.654030][ T5467] ? __x64_sys_mount+0x1c/0xc0
[ 236.658777][ T5467] do_syscall_64+0x4c/0xa0
[ 236.663169][ T5467] ? clear_bhb_loop+0x30/0x80
[ 236.667824][ T5467] ? clear_bhb_loop+0x30/0x80
[ 236.672490][ T5467] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.678372][ T5467] RIP: 0033:0x7f82a55c538a
[ 236.683034][ T5467] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 236.702797][ T5467] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.711283][ T5467] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 236.719235][ T5467] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 236.727202][ T5467] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 236.735154][ T5467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.743105][ T5467] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.751063][ T5467]
[ 236.755910][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.769299][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 07:29:54 executed programs: 179
[ 237.079199][ T5469] loop1: detected capacity change from 0 to 32768
[ 237.130140][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.137546][ T5469] CPU: 1 PID: 5469 Comm: syz.1.194 Not tainted syzkaller #0
[ 237.144835][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 237.154900][ T5469] Call Trace:
[ 237.158189][ T5469]
[ 237.161129][ T5469] dump_stack_lvl+0x168/0x230
[ 237.165817][ T5469] ? show_regs_print_info+0x20/0x20
[ 237.171028][ T5469] ? load_image+0x3b0/0x3b0
[ 237.175550][ T5469] sysfs_create_dir_ns+0x252/0x280
[ 237.180671][ T5469] ? __lock_acquire+0x7c60/0x7c60
[ 237.185707][ T5469] ? sysfs_warn_dup+0xa0/0xa0
[ 237.190393][ T5469] ? do_raw_spin_unlock+0x11d/0x230
[ 237.195602][ T5469] kobject_add_internal+0x662/0xd00
[ 237.200803][ T5469] kobject_init_and_add+0x122/0x190
[ 237.206074][ T5469] ? lockdep_softirqs_off+0x420/0x420
[ 237.211432][ T5469] ? kobject_add+0x210/0x210
[ 237.216012][ T5469] ? __init_swait_queue_head+0xa5/0x150
[ 237.221541][ T5469] gfs2_sys_fs_add+0x234/0x480
[ 237.226285][ T5469] ? gfs2_recover_set+0x240/0x240
[ 237.231376][ T5469] ? snprintf+0xd7/0x120
[ 237.235597][ T5469] ? __free_pages+0x95/0x1a0
[ 237.240165][ T5469] ? vscnprintf+0x80/0x80
[ 237.244508][ T5469] gfs2_fill_super+0x128d/0x1f50
[ 237.249432][ T5469] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.254448][ T5469] ? preempt_count_add+0x8d/0x190
[ 237.259460][ T5469] ? sb_set_blocksize+0xa5/0xe0
[ 237.264297][ T5469] get_tree_bdev+0x3f1/0x610
[ 237.268887][ T5469] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.273938][ T5469] gfs2_get_tree+0x4d/0x1e0
[ 237.278456][ T5469] vfs_get_tree+0x88/0x270
[ 237.282956][ T5469] do_new_mount+0x24a/0xa40
[ 237.287536][ T5469] __se_sys_mount+0x2d6/0x3c0
[ 237.292200][ T5469] ? __x64_sys_mount+0xc0/0xc0
[ 237.296949][ T5469] ? lockdep_hardirqs_on+0x94/0x140
[ 237.302214][ T5469] ? __x64_sys_mount+0x1c/0xc0
[ 237.307083][ T5469] do_syscall_64+0x4c/0xa0
[ 237.311493][ T5469] ? clear_bhb_loop+0x30/0x80
[ 237.316149][ T5469] ? clear_bhb_loop+0x30/0x80
[ 237.320811][ T5469] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.326685][ T5469] RIP: 0033:0x7f82a55c538a
[ 237.331095][ T5469] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 237.350716][ T5469] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.359159][ T5469] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 237.367119][ T5469] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 237.375083][ T5469] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 237.383046][ T5469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.391179][ T5469] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.399160][ T5469]
[ 237.403722][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.417083][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.732001][ T5471] loop1: detected capacity change from 0 to 32768
[ 237.782668][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.790382][ T5471] CPU: 0 PID: 5471 Comm: syz.1.195 Not tainted syzkaller #0
[ 237.797690][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 237.807754][ T5471] Call Trace:
[ 237.811040][ T5471]
[ 237.813974][ T5471] dump_stack_lvl+0x168/0x230
[ 237.818675][ T5471] ? show_regs_print_info+0x20/0x20
[ 237.823889][ T5471] ? load_image+0x3b0/0x3b0
[ 237.828429][ T5471] sysfs_create_dir_ns+0x252/0x280
[ 237.833558][ T5471] ? __lock_acquire+0x7c60/0x7c60
[ 237.838594][ T5471] ? sysfs_warn_dup+0xa0/0xa0
[ 237.843284][ T5471] ? do_raw_spin_unlock+0x11d/0x230
[ 237.848494][ T5471] kobject_add_internal+0x662/0xd00
[ 237.853702][ T5471] kobject_init_and_add+0x122/0x190
[ 237.858912][ T5471] ? lockdep_softirqs_off+0x420/0x420
[ 237.864290][ T5471] ? kobject_add+0x210/0x210
[ 237.868870][ T5471] ? __init_swait_queue_head+0xa5/0x150
[ 237.874447][ T5471] gfs2_sys_fs_add+0x234/0x480
[ 237.879220][ T5471] ? gfs2_recover_set+0x240/0x240
[ 237.884248][ T5471] ? snprintf+0xd7/0x120
[ 237.888560][ T5471] ? __free_pages+0x95/0x1a0
[ 237.893132][ T5471] ? vscnprintf+0x80/0x80
[ 237.897451][ T5471] gfs2_fill_super+0x128d/0x1f50
[ 237.902379][ T5471] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.907386][ T5471] ? preempt_count_add+0x8d/0x190
[ 237.912401][ T5471] ? sb_set_blocksize+0xa5/0xe0
[ 237.917328][ T5471] get_tree_bdev+0x3f1/0x610
[ 237.921904][ T5471] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.926936][ T5471] gfs2_get_tree+0x4d/0x1e0
[ 237.931644][ T5471] vfs_get_tree+0x88/0x270
[ 237.936045][ T5471] do_new_mount+0x24a/0xa40
[ 237.940535][ T5471] __se_sys_mount+0x2d6/0x3c0
[ 237.945202][ T5471] ? __x64_sys_mount+0xc0/0xc0
[ 237.950055][ T5471] ? lockdep_hardirqs_on+0x94/0x140
[ 237.955286][ T5471] ? __x64_sys_mount+0x1c/0xc0
[ 237.960045][ T5471] do_syscall_64+0x4c/0xa0
[ 237.964452][ T5471] ? clear_bhb_loop+0x30/0x80
[ 237.969110][ T5471] ? clear_bhb_loop+0x30/0x80
[ 237.973774][ T5471] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.979664][ T5471] RIP: 0033:0x7f82a55c538a
[ 237.984061][ T5471] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 238.003654][ T5471] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.012148][ T5471] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 238.020115][ T5471] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 238.028179][ T5471] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 238.036148][ T5471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.044154][ T5471] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.052258][ T5471]
[ 238.055756][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.069049][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.386127][ T5473] loop1: detected capacity change from 0 to 32768
[ 238.441851][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.449283][ T5473] CPU: 1 PID: 5473 Comm: syz.1.196 Not tainted syzkaller #0
[ 238.456581][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 238.466912][ T5473] Call Trace:
[ 238.470254][ T5473]
[ 238.473203][ T5473] dump_stack_lvl+0x168/0x230
[ 238.477896][ T5473] ? show_regs_print_info+0x20/0x20
[ 238.483106][ T5473] ? load_image+0x3b0/0x3b0
[ 238.487639][ T5473] sysfs_create_dir_ns+0x252/0x280
[ 238.492767][ T5473] ? __lock_acquire+0x7c60/0x7c60
[ 238.497807][ T5473] ? sysfs_warn_dup+0xa0/0xa0
[ 238.502499][ T5473] ? do_raw_spin_unlock+0x11d/0x230
[ 238.507710][ T5473] kobject_add_internal+0x662/0xd00
[ 238.512920][ T5473] kobject_init_and_add+0x122/0x190
[ 238.518124][ T5473] ? lockdep_softirqs_off+0x420/0x420
[ 238.523484][ T5473] ? kobject_add+0x210/0x210
[ 238.528070][ T5473] ? __init_swait_queue_head+0xa5/0x150
[ 238.533598][ T5473] gfs2_sys_fs_add+0x234/0x480
[ 238.538374][ T5473] ? gfs2_recover_set+0x240/0x240
[ 238.543385][ T5473] ? snprintf+0xd7/0x120
[ 238.547607][ T5473] ? __free_pages+0x95/0x1a0
[ 238.552181][ T5473] ? vscnprintf+0x80/0x80
[ 238.556511][ T5473] gfs2_fill_super+0x128d/0x1f50
[ 238.561437][ T5473] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.566444][ T5473] ? preempt_count_add+0x8d/0x190
[ 238.571470][ T5473] ? sb_set_blocksize+0xa5/0xe0
[ 238.576303][ T5473] get_tree_bdev+0x3f1/0x610
[ 238.580916][ T5473] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.586023][ T5473] gfs2_get_tree+0x4d/0x1e0
[ 238.590601][ T5473] vfs_get_tree+0x88/0x270
[ 238.595187][ T5473] do_new_mount+0x24a/0xa40
[ 238.599679][ T5473] __se_sys_mount+0x2d6/0x3c0
[ 238.604342][ T5473] ? __x64_sys_mount+0xc0/0xc0
[ 238.609091][ T5473] ? lockdep_hardirqs_on+0x94/0x140
[ 238.614267][ T5473] ? __x64_sys_mount+0x1c/0xc0
[ 238.619054][ T5473] do_syscall_64+0x4c/0xa0
[ 238.623449][ T5473] ? clear_bhb_loop+0x30/0x80
[ 238.628108][ T5473] ? clear_bhb_loop+0x30/0x80
[ 238.632768][ T5473] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.638776][ T5473] RIP: 0033:0x7f82a55c538a
[ 238.643181][ T5473] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 238.662772][ T5473] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.671384][ T5473] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 238.679472][ T5473] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 238.687436][ T5473] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 238.695407][ T5473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.703385][ T5473] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.711349][ T5473]
[ 238.716028][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.729191][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.047563][ T5475] loop1: detected capacity change from 0 to 32768
[ 239.143922][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.151677][ T5475] CPU: 0 PID: 5475 Comm: syz.1.197 Not tainted syzkaller #0
[ 239.159060][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 239.169138][ T5475] Call Trace:
[ 239.172528][ T5475]
[ 239.175469][ T5475] dump_stack_lvl+0x168/0x230
[ 239.180160][ T5475] ? show_regs_print_info+0x20/0x20
[ 239.185376][ T5475] ? load_image+0x3b0/0x3b0
[ 239.190023][ T5475] sysfs_create_dir_ns+0x252/0x280
[ 239.195148][ T5475] ? __lock_acquire+0x7c60/0x7c60
[ 239.200317][ T5475] ? sysfs_warn_dup+0xa0/0xa0
[ 239.205076][ T5475] ? do_raw_spin_unlock+0x11d/0x230
[ 239.210280][ T5475] kobject_add_internal+0x662/0xd00
[ 239.215465][ T5475] kobject_init_and_add+0x122/0x190
[ 239.220657][ T5475] ? lockdep_softirqs_off+0x420/0x420
[ 239.226023][ T5475] ? kobject_add+0x210/0x210
[ 239.230592][ T5475] ? __init_swait_queue_head+0xa5/0x150
[ 239.236162][ T5475] gfs2_sys_fs_add+0x234/0x480
[ 239.240909][ T5475] ? gfs2_recover_set+0x240/0x240
[ 239.245912][ T5475] ? snprintf+0xd7/0x120
[ 239.250134][ T5475] ? __free_pages+0x95/0x1a0
[ 239.254705][ T5475] ? vscnprintf+0x80/0x80
[ 239.259032][ T5475] gfs2_fill_super+0x128d/0x1f50
[ 239.264056][ T5475] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.269077][ T5475] ? preempt_count_add+0x8d/0x190
[ 239.274192][ T5475] ? sb_set_blocksize+0xa5/0xe0
[ 239.279038][ T5475] get_tree_bdev+0x3f1/0x610
[ 239.283622][ T5475] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.288748][ T5475] gfs2_get_tree+0x4d/0x1e0
[ 239.293241][ T5475] vfs_get_tree+0x88/0x270
[ 239.297650][ T5475] do_new_mount+0x24a/0xa40
[ 239.302141][ T5475] __se_sys_mount+0x2d6/0x3c0
[ 239.306817][ T5475] ? __x64_sys_mount+0xc0/0xc0
[ 239.311611][ T5475] ? lockdep_hardirqs_on+0x94/0x140
[ 239.316904][ T5475] ? __x64_sys_mount+0x1c/0xc0
[ 239.321793][ T5475] do_syscall_64+0x4c/0xa0
[ 239.326200][ T5475] ? clear_bhb_loop+0x30/0x80
[ 239.330857][ T5475] ? clear_bhb_loop+0x30/0x80
[ 239.335520][ T5475] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.341399][ T5475] RIP: 0033:0x7f82a55c538a
[ 239.345793][ T5475] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 239.365397][ T5475] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.374004][ T5475] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 239.382103][ T5475] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 239.390070][ T5475] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 239.398038][ T5475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.406019][ T5475] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.414168][ T5475]
[ 239.417815][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.431205][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.747464][ T5477] loop1: detected capacity change from 0 to 32768
[ 239.798217][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.805809][ T5477] CPU: 0 PID: 5477 Comm: syz.1.198 Not tainted syzkaller #0
[ 239.813118][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 239.823191][ T5477] Call Trace:
[ 239.826486][ T5477]
[ 239.829426][ T5477] dump_stack_lvl+0x168/0x230
[ 239.834122][ T5477] ? show_regs_print_info+0x20/0x20
[ 239.839335][ T5477] ? load_image+0x3b0/0x3b0
[ 239.843858][ T5477] sysfs_create_dir_ns+0x252/0x280
[ 239.848991][ T5477] ? __lock_acquire+0x7c60/0x7c60
[ 239.854039][ T5477] ? sysfs_warn_dup+0xa0/0xa0
[ 239.858737][ T5477] ? do_raw_spin_unlock+0x11d/0x230
[ 239.863963][ T5477] kobject_add_internal+0x662/0xd00
[ 239.869184][ T5477] kobject_init_and_add+0x122/0x190
[ 239.874391][ T5477] ? lockdep_softirqs_off+0x420/0x420
[ 239.879787][ T5477] ? kobject_add+0x210/0x210
[ 239.884398][ T5477] ? __init_swait_queue_head+0xa5/0x150
[ 239.889958][ T5477] gfs2_sys_fs_add+0x234/0x480
[ 239.894712][ T5477] ? gfs2_recover_set+0x240/0x240
[ 239.899722][ T5477] ? snprintf+0xd7/0x120
[ 239.903942][ T5477] ? __free_pages+0x95/0x1a0
[ 239.908513][ T5477] ? vscnprintf+0x80/0x80
[ 239.912835][ T5477] gfs2_fill_super+0x128d/0x1f50
[ 239.917771][ T5477] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.922834][ T5477] ? preempt_count_add+0x8d/0x190
[ 239.927873][ T5477] ? sb_set_blocksize+0xa5/0xe0
[ 239.932721][ T5477] get_tree_bdev+0x3f1/0x610
[ 239.937313][ T5477] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.942323][ T5477] gfs2_get_tree+0x4d/0x1e0
[ 239.946813][ T5477] vfs_get_tree+0x88/0x270
[ 239.951215][ T5477] do_new_mount+0x24a/0xa40
[ 239.955723][ T5477] __se_sys_mount+0x2d6/0x3c0
[ 239.960399][ T5477] ? __x64_sys_mount+0xc0/0xc0
[ 239.965164][ T5477] ? lockdep_hardirqs_on+0x94/0x140
[ 239.970344][ T5477] ? __x64_sys_mount+0x1c/0xc0
[ 239.975184][ T5477] do_syscall_64+0x4c/0xa0
[ 239.979579][ T5477] ? clear_bhb_loop+0x30/0x80
[ 239.984235][ T5477] ? clear_bhb_loop+0x30/0x80
[ 239.988903][ T5477] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.994774][ T5477] RIP: 0033:0x7f82a55c538a
[ 239.999195][ T5477] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 240.018784][ T5477] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.027179][ T5477] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 240.035251][ T5477] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 240.043208][ T5477] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 240.051176][ T5477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.059130][ T5477] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.067104][ T5477]
[ 240.070860][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.084031][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.401269][ T5479] loop1: detected capacity change from 0 to 32768
[ 240.451570][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.458976][ T5479] CPU: 1 PID: 5479 Comm: syz.1.199 Not tainted syzkaller #0
[ 240.466269][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 240.476336][ T5479] Call Trace:
[ 240.479626][ T5479]
[ 240.482566][ T5479] dump_stack_lvl+0x168/0x230
[ 240.487259][ T5479] ? show_regs_print_info+0x20/0x20
[ 240.492471][ T5479] ? load_image+0x3b0/0x3b0
[ 240.496993][ T5479] sysfs_create_dir_ns+0x252/0x280
[ 240.502124][ T5479] ? __lock_acquire+0x7c60/0x7c60
[ 240.507157][ T5479] ? sysfs_warn_dup+0xa0/0xa0
[ 240.511863][ T5479] ? do_raw_spin_unlock+0x11d/0x230
[ 240.517074][ T5479] kobject_add_internal+0x662/0xd00
[ 240.522285][ T5479] kobject_init_and_add+0x122/0x190
[ 240.527488][ T5479] ? lockdep_softirqs_off+0x420/0x420
[ 240.532871][ T5479] ? kobject_add+0x210/0x210
[ 240.537478][ T5479] ? __init_swait_queue_head+0xa5/0x150
[ 240.543012][ T5479] gfs2_sys_fs_add+0x234/0x480
[ 240.547757][ T5479] ? gfs2_recover_set+0x240/0x240
[ 240.552761][ T5479] ? snprintf+0xd7/0x120
[ 240.556983][ T5479] ? __free_pages+0x95/0x1a0
[ 240.561554][ T5479] ? vscnprintf+0x80/0x80
[ 240.565884][ T5479] gfs2_fill_super+0x128d/0x1f50
[ 240.570812][ T5479] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.575925][ T5479] ? preempt_count_add+0x8d/0x190
[ 240.580946][ T5479] ? sb_set_blocksize+0xa5/0xe0
[ 240.585792][ T5479] get_tree_bdev+0x3f1/0x610
[ 240.590365][ T5479] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.595371][ T5479] gfs2_get_tree+0x4d/0x1e0
[ 240.599854][ T5479] vfs_get_tree+0x88/0x270
[ 240.604258][ T5479] do_new_mount+0x24a/0xa40
[ 240.608749][ T5479] __se_sys_mount+0x2d6/0x3c0
[ 240.613421][ T5479] ? __x64_sys_mount+0xc0/0xc0
[ 240.618166][ T5479] ? lockdep_hardirqs_on+0x94/0x140
[ 240.623349][ T5479] ? __x64_sys_mount+0x1c/0xc0
[ 240.628102][ T5479] do_syscall_64+0x4c/0xa0
[ 240.632497][ T5479] ? clear_bhb_loop+0x30/0x80
[ 240.637152][ T5479] ? clear_bhb_loop+0x30/0x80
[ 240.641812][ T5479] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.647685][ T5479] RIP: 0033:0x7f82a55c538a
[ 240.652106][ T5479] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 240.671785][ T5479] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.680191][ T5479] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 240.688156][ T5479] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 240.696111][ T5479] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 240.704074][ T5479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.712027][ T5479] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.719984][ T5479]
[ 240.724482][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.737608][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.030198][ T5481] loop1: detected capacity change from 0 to 32768
[ 241.090353][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.098139][ T5481] CPU: 0 PID: 5481 Comm: syz.1.200 Not tainted syzkaller #0
[ 241.105442][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 241.115939][ T5481] Call Trace:
[ 241.119221][ T5481]
[ 241.122153][ T5481] dump_stack_lvl+0x168/0x230
[ 241.126838][ T5481] ? show_regs_print_info+0x20/0x20
[ 241.132046][ T5481] ? load_image+0x3b0/0x3b0
[ 241.136570][ T5481] sysfs_create_dir_ns+0x252/0x280
[ 241.141690][ T5481] ? __lock_acquire+0x7c60/0x7c60
[ 241.146721][ T5481] ? sysfs_warn_dup+0xa0/0xa0
[ 241.151405][ T5481] ? do_raw_spin_unlock+0x11d/0x230
[ 241.156608][ T5481] kobject_add_internal+0x662/0xd00
[ 241.161825][ T5481] kobject_init_and_add+0x122/0x190
[ 241.167030][ T5481] ? lockdep_softirqs_off+0x420/0x420
[ 241.172592][ T5481] ? kobject_add+0x210/0x210
[ 241.177185][ T5481] ? __init_swait_queue_head+0xa5/0x150
[ 241.182831][ T5481] gfs2_sys_fs_add+0x234/0x480
[ 241.187577][ T5481] ? gfs2_recover_set+0x240/0x240
[ 241.192584][ T5481] ? snprintf+0xd7/0x120
[ 241.196813][ T5481] ? __free_pages+0x95/0x1a0
[ 241.201400][ T5481] ? vscnprintf+0x80/0x80
[ 241.205732][ T5481] gfs2_fill_super+0x128d/0x1f50
[ 241.210668][ T5481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.215698][ T5481] ? preempt_count_add+0x8d/0x190
[ 241.220709][ T5481] ? sb_set_blocksize+0xa5/0xe0
[ 241.225902][ T5481] get_tree_bdev+0x3f1/0x610
[ 241.230480][ T5481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.235501][ T5481] gfs2_get_tree+0x4d/0x1e0
[ 241.239987][ T5481] vfs_get_tree+0x88/0x270
[ 241.244381][ T5481] do_new_mount+0x24a/0xa40
[ 241.248866][ T5481] __se_sys_mount+0x2d6/0x3c0
[ 241.253533][ T5481] ? __x64_sys_mount+0xc0/0xc0
[ 241.258290][ T5481] ? lockdep_hardirqs_on+0x94/0x140
[ 241.263488][ T5481] ? __x64_sys_mount+0x1c/0xc0
[ 241.268242][ T5481] do_syscall_64+0x4c/0xa0
[ 241.272661][ T5481] ? clear_bhb_loop+0x30/0x80
[ 241.277317][ T5481] ? clear_bhb_loop+0x30/0x80
[ 241.281997][ T5481] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.287873][ T5481] RIP: 0033:0x7f82a55c538a
[ 241.292274][ T5481] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 241.311965][ T5481] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.320526][ T5481] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 241.328502][ T5481] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 241.336465][ T5481] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 241.344429][ T5481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.352385][ T5481] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.360352][ T5481]
[ 241.364345][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.378111][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.700522][ T5483] loop1: detected capacity change from 0 to 32768
[ 241.745144][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.757488][ T5483] CPU: 1 PID: 5483 Comm: syz.1.201 Not tainted syzkaller #0
[ 241.764802][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 241.774867][ T5483] Call Trace:
[ 241.778155][ T5483]
[ 241.781088][ T5483] dump_stack_lvl+0x168/0x230
[ 241.785783][ T5483] ? show_regs_print_info+0x20/0x20
[ 241.790987][ T5483] ? load_image+0x3b0/0x3b0
[ 241.795512][ T5483] sysfs_create_dir_ns+0x252/0x280
[ 241.800629][ T5483] ? __lock_acquire+0x7c60/0x7c60
[ 241.805707][ T5483] ? sysfs_warn_dup+0xa0/0xa0
[ 241.810426][ T5483] ? do_raw_spin_unlock+0x11d/0x230
[ 241.815641][ T5483] kobject_add_internal+0x662/0xd00
[ 241.820856][ T5483] kobject_init_and_add+0x122/0x190
[ 241.826052][ T5483] ? lockdep_softirqs_off+0x420/0x420
[ 241.831412][ T5483] ? kobject_add+0x210/0x210
[ 241.836004][ T5483] ? __init_swait_queue_head+0xa5/0x150
[ 241.841542][ T5483] gfs2_sys_fs_add+0x234/0x480
[ 241.846285][ T5483] ? gfs2_recover_set+0x240/0x240
[ 241.851409][ T5483] ? snprintf+0xd7/0x120
[ 241.855629][ T5483] ? __free_pages+0x95/0x1a0
[ 241.860200][ T5483] ? vscnprintf+0x80/0x80
[ 241.864536][ T5483] gfs2_fill_super+0x128d/0x1f50
[ 241.869477][ T5483] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.874484][ T5483] ? preempt_count_add+0x8d/0x190
[ 241.879506][ T5483] ? sb_set_blocksize+0xa5/0xe0
[ 241.884334][ T5483] get_tree_bdev+0x3f1/0x610
[ 241.888903][ T5483] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.893905][ T5483] gfs2_get_tree+0x4d/0x1e0
[ 241.898471][ T5483] vfs_get_tree+0x88/0x270
[ 241.902861][ T5483] do_new_mount+0x24a/0xa40
[ 241.907438][ T5483] __se_sys_mount+0x2d6/0x3c0
[ 241.912106][ T5483] ? __x64_sys_mount+0xc0/0xc0
[ 241.916857][ T5483] ? lockdep_hardirqs_on+0x94/0x140
[ 241.922038][ T5483] ? __x64_sys_mount+0x1c/0xc0
[ 241.926781][ T5483] do_syscall_64+0x4c/0xa0
[ 241.931188][ T5483] ? clear_bhb_loop+0x30/0x80
[ 241.935847][ T5483] ? clear_bhb_loop+0x30/0x80
[ 241.940512][ T5483] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.946389][ T5483] RIP: 0033:0x7f82a55c538a
[ 241.950806][ T5483] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 241.970406][ T5483] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.978800][ T5483] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 241.986748][ T5483] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 241.994697][ T5483] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 242.002671][ T5483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.010797][ T5483] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.018783][ T5483]
[ 242.023489][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.036716][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 07:29:59 executed programs: 187
[ 242.310153][ T4275] Bluetooth: hci1: command 0x0406 tx timeout
[ 242.361724][ T5485] loop1: detected capacity change from 0 to 32768
[ 242.453653][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.462236][ T5485] CPU: 1 PID: 5485 Comm: syz.1.202 Not tainted syzkaller #0
[ 242.469537][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 242.479599][ T5485] Call Trace:
[ 242.482889][ T5485]
[ 242.485830][ T5485] dump_stack_lvl+0x168/0x230
[ 242.490524][ T5485] ? show_regs_print_info+0x20/0x20
[ 242.495744][ T5485] ? load_image+0x3b0/0x3b0
[ 242.500289][ T5485] sysfs_create_dir_ns+0x252/0x280
[ 242.505448][ T5485] ? __lock_acquire+0x7c60/0x7c60
[ 242.510461][ T5485] ? sysfs_warn_dup+0xa0/0xa0
[ 242.515121][ T5485] ? do_raw_spin_unlock+0x11d/0x230
[ 242.520305][ T5485] kobject_add_internal+0x662/0xd00
[ 242.525587][ T5485] kobject_init_and_add+0x122/0x190
[ 242.530767][ T5485] ? lockdep_softirqs_off+0x420/0x420
[ 242.536134][ T5485] ? kobject_add+0x210/0x210
[ 242.540706][ T5485] ? __init_swait_queue_head+0xa5/0x150
[ 242.546233][ T5485] gfs2_sys_fs_add+0x234/0x480
[ 242.550977][ T5485] ? gfs2_recover_set+0x240/0x240
[ 242.555978][ T5485] ? snprintf+0xd7/0x120
[ 242.560196][ T5485] ? __free_pages+0x95/0x1a0
[ 242.564766][ T5485] ? vscnprintf+0x80/0x80
[ 242.569082][ T5485] gfs2_fill_super+0x128d/0x1f50
[ 242.574003][ T5485] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.579007][ T5485] ? preempt_count_add+0x8d/0x190
[ 242.584012][ T5485] ? sb_set_blocksize+0xa5/0xe0
[ 242.588841][ T5485] get_tree_bdev+0x3f1/0x610
[ 242.593411][ T5485] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.598412][ T5485] gfs2_get_tree+0x4d/0x1e0
[ 242.602891][ T5485] vfs_get_tree+0x88/0x270
[ 242.607318][ T5485] do_new_mount+0x24a/0xa40
[ 242.611808][ T5485] __se_sys_mount+0x2d6/0x3c0
[ 242.616466][ T5485] ? __x64_sys_mount+0xc0/0xc0
[ 242.621210][ T5485] ? lockdep_hardirqs_on+0x94/0x140
[ 242.626384][ T5485] ? __x64_sys_mount+0x1c/0xc0
[ 242.631128][ T5485] do_syscall_64+0x4c/0xa0
[ 242.635531][ T5485] ? clear_bhb_loop+0x30/0x80
[ 242.640184][ T5485] ? clear_bhb_loop+0x30/0x80
[ 242.644840][ T5485] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.650710][ T5485] RIP: 0033:0x7f82a55c538a
[ 242.655105][ T5485] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 242.674687][ T5485] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.683085][ T5485] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 242.691071][ T5485] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 242.699047][ T5485] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 242.706996][ T5485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.714947][ T5485] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.722931][ T5485]
[ 242.727583][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.740951][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.052773][ T5487] loop1: detected capacity change from 0 to 32768
[ 243.098113][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.105617][ T5487] CPU: 1 PID: 5487 Comm: syz.1.203 Not tainted syzkaller #0
[ 243.112904][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 243.123051][ T5487] Call Trace:
[ 243.126342][ T5487]
[ 243.129282][ T5487] dump_stack_lvl+0x168/0x230
[ 243.133972][ T5487] ? show_regs_print_info+0x20/0x20
[ 243.139178][ T5487] ? load_image+0x3b0/0x3b0
[ 243.143704][ T5487] sysfs_create_dir_ns+0x252/0x280
[ 243.148840][ T5487] ? __lock_acquire+0x7c60/0x7c60
[ 243.153878][ T5487] ? sysfs_warn_dup+0xa0/0xa0
[ 243.158575][ T5487] ? do_raw_spin_unlock+0x11d/0x230
[ 243.163785][ T5487] kobject_add_internal+0x662/0xd00
[ 243.169000][ T5487] kobject_init_and_add+0x122/0x190
[ 243.174206][ T5487] ? lockdep_softirqs_off+0x420/0x420
[ 243.179591][ T5487] ? kobject_add+0x210/0x210
[ 243.184344][ T5487] ? __init_swait_queue_head+0xa5/0x150
[ 243.189892][ T5487] gfs2_sys_fs_add+0x234/0x480
[ 243.194653][ T5487] ? gfs2_recover_set+0x240/0x240
[ 243.199665][ T5487] ? snprintf+0xd7/0x120
[ 243.203890][ T5487] ? __free_pages+0x95/0x1a0
[ 243.208471][ T5487] ? vscnprintf+0x80/0x80
[ 243.212803][ T5487] gfs2_fill_super+0x128d/0x1f50
[ 243.217859][ T5487] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.223053][ T5487] ? preempt_count_add+0x8d/0x190
[ 243.228166][ T5487] ? sb_set_blocksize+0xa5/0xe0
[ 243.233018][ T5487] get_tree_bdev+0x3f1/0x610
[ 243.237597][ T5487] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.242611][ T5487] gfs2_get_tree+0x4d/0x1e0
[ 243.247115][ T5487] vfs_get_tree+0x88/0x270
[ 243.251530][ T5487] do_new_mount+0x24a/0xa40
[ 243.256033][ T5487] __se_sys_mount+0x2d6/0x3c0
[ 243.260714][ T5487] ? __x64_sys_mount+0xc0/0xc0
[ 243.265477][ T5487] ? lockdep_hardirqs_on+0x94/0x140
[ 243.270672][ T5487] ? __x64_sys_mount+0x1c/0xc0
[ 243.275438][ T5487] do_syscall_64+0x4c/0xa0
[ 243.279850][ T5487] ? clear_bhb_loop+0x30/0x80
[ 243.284508][ T5487] ? clear_bhb_loop+0x30/0x80
[ 243.289164][ T5487] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.295039][ T5487] RIP: 0033:0x7f82a55c538a
[ 243.299434][ T5487] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 243.319127][ T5487] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.327531][ T5487] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 243.335491][ T5487] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 243.343442][ T5487] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 243.351404][ T5487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.359452][ T5487] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.367418][ T5487]
[ 243.372224][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.385390][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.687873][ T5489] loop1: detected capacity change from 0 to 32768
[ 243.740274][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.747690][ T5489] CPU: 0 PID: 5489 Comm: syz.1.204 Not tainted syzkaller #0
[ 243.754980][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 243.765044][ T5489] Call Trace:
[ 243.768327][ T5489]
[ 243.771261][ T5489] dump_stack_lvl+0x168/0x230
[ 243.775945][ T5489] ? show_regs_print_info+0x20/0x20
[ 243.781150][ T5489] ? load_image+0x3b0/0x3b0
[ 243.785761][ T5489] sysfs_create_dir_ns+0x252/0x280
[ 243.790882][ T5489] ? __lock_acquire+0x7c60/0x7c60
[ 243.795994][ T5489] ? sysfs_warn_dup+0xa0/0xa0
[ 243.800677][ T5489] ? do_raw_spin_unlock+0x11d/0x230
[ 243.805881][ T5489] kobject_add_internal+0x662/0xd00
[ 243.811086][ T5489] kobject_init_and_add+0x122/0x190
[ 243.816286][ T5489] ? lockdep_softirqs_off+0x420/0x420
[ 243.821662][ T5489] ? kobject_add+0x210/0x210
[ 243.826237][ T5489] ? __init_swait_queue_head+0xa5/0x150
[ 243.831764][ T5489] gfs2_sys_fs_add+0x234/0x480
[ 243.836504][ T5489] ? gfs2_recover_set+0x240/0x240
[ 243.841505][ T5489] ? snprintf+0xd7/0x120
[ 243.845734][ T5489] ? __free_pages+0x95/0x1a0
[ 243.850326][ T5489] ? vscnprintf+0x80/0x80
[ 243.854688][ T5489] gfs2_fill_super+0x128d/0x1f50
[ 243.859676][ T5489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.864821][ T5489] ? preempt_count_add+0x8d/0x190
[ 243.870276][ T5489] ? sb_set_blocksize+0xa5/0xe0
[ 243.875117][ T5489] get_tree_bdev+0x3f1/0x610
[ 243.879705][ T5489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.884709][ T5489] gfs2_get_tree+0x4d/0x1e0
[ 243.889205][ T5489] vfs_get_tree+0x88/0x270
[ 243.893605][ T5489] do_new_mount+0x24a/0xa40
[ 243.898091][ T5489] __se_sys_mount+0x2d6/0x3c0
[ 243.902747][ T5489] ? __x64_sys_mount+0xc0/0xc0
[ 243.907501][ T5489] ? lockdep_hardirqs_on+0x94/0x140
[ 243.912690][ T5489] ? __x64_sys_mount+0x1c/0xc0
[ 243.917441][ T5489] do_syscall_64+0x4c/0xa0
[ 243.921864][ T5489] ? clear_bhb_loop+0x30/0x80
[ 243.926537][ T5489] ? clear_bhb_loop+0x30/0x80
[ 243.931194][ T5489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.937074][ T5489] RIP: 0033:0x7f82a55c538a
[ 243.941482][ T5489] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 243.961247][ T5489] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.969659][ T5489] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 243.977629][ T5489] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 243.985596][ T5489] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 243.993549][ T5489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.001510][ T5489] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.009493][ T5489]
[ 244.016444][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.030081][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.325603][ T5491] loop1: detected capacity change from 0 to 32768
[ 244.378536][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.386145][ T5491] CPU: 0 PID: 5491 Comm: syz.1.205 Not tainted syzkaller #0
[ 244.393444][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 244.403512][ T5491] Call Trace:
[ 244.406798][ T5491]
[ 244.409740][ T5491] dump_stack_lvl+0x168/0x230
[ 244.414442][ T5491] ? show_regs_print_info+0x20/0x20
[ 244.419649][ T5491] ? load_image+0x3b0/0x3b0
[ 244.424174][ T5491] sysfs_create_dir_ns+0x252/0x280
[ 244.429298][ T5491] ? __lock_acquire+0x7c60/0x7c60
[ 244.434336][ T5491] ? sysfs_warn_dup+0xa0/0xa0
[ 244.439023][ T5491] ? do_raw_spin_unlock+0x11d/0x230
[ 244.444228][ T5491] kobject_add_internal+0x662/0xd00
[ 244.449440][ T5491] kobject_init_and_add+0x122/0x190
[ 244.454644][ T5491] ? lockdep_softirqs_off+0x420/0x420
[ 244.460027][ T5491] ? kobject_add+0x210/0x210
[ 244.464624][ T5491] ? __init_swait_queue_head+0xa5/0x150
[ 244.470161][ T5491] gfs2_sys_fs_add+0x234/0x480
[ 244.475082][ T5491] ? gfs2_recover_set+0x240/0x240
[ 244.480113][ T5491] ? snprintf+0xd7/0x120
[ 244.484351][ T5491] ? __free_pages+0x95/0x1a0
[ 244.488921][ T5491] ? vscnprintf+0x80/0x80
[ 244.493413][ T5491] gfs2_fill_super+0x128d/0x1f50
[ 244.498345][ T5491] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.503367][ T5491] ? preempt_count_add+0x8d/0x190
[ 244.508378][ T5491] ? sb_set_blocksize+0xa5/0xe0
[ 244.513212][ T5491] get_tree_bdev+0x3f1/0x610
[ 244.517781][ T5491] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.522870][ T5491] gfs2_get_tree+0x4d/0x1e0
[ 244.527458][ T5491] vfs_get_tree+0x88/0x270
[ 244.531858][ T5491] do_new_mount+0x24a/0xa40
[ 244.536361][ T5491] __se_sys_mount+0x2d6/0x3c0
[ 244.541031][ T5491] ? __x64_sys_mount+0xc0/0xc0
[ 244.545796][ T5491] ? lockdep_hardirqs_on+0x94/0x140
[ 244.550973][ T5491] ? __x64_sys_mount+0x1c/0xc0
[ 244.555716][ T5491] do_syscall_64+0x4c/0xa0
[ 244.560111][ T5491] ? clear_bhb_loop+0x30/0x80
[ 244.564762][ T5491] ? clear_bhb_loop+0x30/0x80
[ 244.569414][ T5491] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.575286][ T5491] RIP: 0033:0x7f82a55c538a
[ 244.579707][ T5491] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 244.599472][ T5491] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.607869][ T5491] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 244.615846][ T5491] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 244.623798][ T5491] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 244.631776][ T5491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.639736][ T5491] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.647724][ T5491]
[ 244.651748][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.664915][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.993844][ T5493] loop1: detected capacity change from 0 to 32768
[ 245.070465][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.077874][ T5493] CPU: 1 PID: 5493 Comm: syz.1.206 Not tainted syzkaller #0
[ 245.085168][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 245.095233][ T5493] Call Trace:
[ 245.098517][ T5493]
[ 245.101544][ T5493] dump_stack_lvl+0x168/0x230
[ 245.106251][ T5493] ? show_regs_print_info+0x20/0x20
[ 245.111479][ T5493] ? load_image+0x3b0/0x3b0
[ 245.116005][ T5493] sysfs_create_dir_ns+0x252/0x280
[ 245.121125][ T5493] ? __lock_acquire+0x7c60/0x7c60
[ 245.126156][ T5493] ? sysfs_warn_dup+0xa0/0xa0
[ 245.130849][ T5493] ? do_raw_spin_unlock+0x11d/0x230
[ 245.136055][ T5493] kobject_add_internal+0x662/0xd00
[ 245.141279][ T5493] kobject_init_and_add+0x122/0x190
[ 245.146510][ T5493] ? lockdep_softirqs_off+0x420/0x420
[ 245.151921][ T5493] ? kobject_add+0x210/0x210
[ 245.156502][ T5493] ? __init_swait_queue_head+0xa5/0x150
[ 245.162092][ T5493] gfs2_sys_fs_add+0x234/0x480
[ 245.166846][ T5493] ? gfs2_recover_set+0x240/0x240
[ 245.171962][ T5493] ? snprintf+0xd7/0x120
[ 245.176218][ T5493] ? __free_pages+0x95/0x1a0
[ 245.180814][ T5493] ? vscnprintf+0x80/0x80
[ 245.185150][ T5493] gfs2_fill_super+0x128d/0x1f50
[ 245.190089][ T5493] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.195113][ T5493] ? preempt_count_add+0x8d/0x190
[ 245.200132][ T5493] ? sb_set_blocksize+0xa5/0xe0
[ 245.204986][ T5493] get_tree_bdev+0x3f1/0x610
[ 245.209571][ T5493] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.214582][ T5493] gfs2_get_tree+0x4d/0x1e0
[ 245.219094][ T5493] vfs_get_tree+0x88/0x270
[ 245.223529][ T5493] do_new_mount+0x24a/0xa40
[ 245.228031][ T5493] __se_sys_mount+0x2d6/0x3c0
[ 245.232711][ T5493] ? __x64_sys_mount+0xc0/0xc0
[ 245.237461][ T5493] ? lockdep_hardirqs_on+0x94/0x140
[ 245.242724][ T5493] ? __x64_sys_mount+0x1c/0xc0
[ 245.247486][ T5493] do_syscall_64+0x4c/0xa0
[ 245.251909][ T5493] ? clear_bhb_loop+0x30/0x80
[ 245.256590][ T5493] ? clear_bhb_loop+0x30/0x80
[ 245.261248][ T5493] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.267125][ T5493] RIP: 0033:0x7f82a55c538a
[ 245.271526][ T5493] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 245.291115][ T5493] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.299525][ T5493] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 245.307483][ T5493] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 245.315438][ T5493] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 245.323479][ T5493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.331430][ T5493] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.339398][ T5493]
[ 245.343903][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.359112][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.658291][ T5495] loop1: detected capacity change from 0 to 32768
[ 245.722144][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.729583][ T5495] CPU: 1 PID: 5495 Comm: syz.1.207 Not tainted syzkaller #0
[ 245.736867][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 245.746939][ T5495] Call Trace:
[ 245.750226][ T5495]
[ 245.753163][ T5495] dump_stack_lvl+0x168/0x230
[ 245.757851][ T5495] ? show_regs_print_info+0x20/0x20
[ 245.763060][ T5495] ? load_image+0x3b0/0x3b0
[ 245.767664][ T5495] sysfs_create_dir_ns+0x252/0x280
[ 245.772786][ T5495] ? __lock_acquire+0x7c60/0x7c60
[ 245.777858][ T5495] ? sysfs_warn_dup+0xa0/0xa0
[ 245.782554][ T5495] ? do_raw_spin_unlock+0x11d/0x230
[ 245.787766][ T5495] kobject_add_internal+0x662/0xd00
[ 245.792986][ T5495] kobject_init_and_add+0x122/0x190
[ 245.798280][ T5495] ? lockdep_softirqs_off+0x420/0x420
[ 245.803666][ T5495] ? kobject_add+0x210/0x210
[ 245.808263][ T5495] ? __init_swait_queue_head+0xa5/0x150
[ 245.813830][ T5495] gfs2_sys_fs_add+0x234/0x480
[ 245.818670][ T5495] ? gfs2_recover_set+0x240/0x240
[ 245.823700][ T5495] ? snprintf+0xd7/0x120
[ 245.827928][ T5495] ? __free_pages+0x95/0x1a0
[ 245.832506][ T5495] ? vscnprintf+0x80/0x80
[ 245.836940][ T5495] gfs2_fill_super+0x128d/0x1f50
[ 245.841882][ T5495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.846902][ T5495] ? preempt_count_add+0x8d/0x190
[ 245.851919][ T5495] ? sb_set_blocksize+0xa5/0xe0
[ 245.856820][ T5495] get_tree_bdev+0x3f1/0x610
[ 245.861405][ T5495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.866575][ T5495] gfs2_get_tree+0x4d/0x1e0
[ 245.871092][ T5495] vfs_get_tree+0x88/0x270
[ 245.875856][ T5495] do_new_mount+0x24a/0xa40
[ 245.880446][ T5495] __se_sys_mount+0x2d6/0x3c0
[ 245.885109][ T5495] ? __x64_sys_mount+0xc0/0xc0
[ 245.889855][ T5495] ? lockdep_hardirqs_on+0x94/0x140
[ 245.895034][ T5495] ? __x64_sys_mount+0x1c/0xc0
[ 245.899799][ T5495] do_syscall_64+0x4c/0xa0
[ 245.904196][ T5495] ? clear_bhb_loop+0x30/0x80
[ 245.908852][ T5495] ? clear_bhb_loop+0x30/0x80
[ 245.913604][ T5495] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.919477][ T5495] RIP: 0033:0x7f82a55c538a
[ 245.923880][ T5495] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 245.943647][ T5495] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.952165][ T5495] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 245.960123][ T5495] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 245.968096][ T5495] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 245.976057][ T5495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.984016][ T5495] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.991977][ T5495]
[ 245.996819][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.010456][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.312606][ T5497] loop1: detected capacity change from 0 to 32768
[ 246.352538][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.361090][ T5497] CPU: 1 PID: 5497 Comm: syz.1.208 Not tainted syzkaller #0
[ 246.368390][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 246.378467][ T5497] Call Trace:
[ 246.381766][ T5497]
[ 246.384705][ T5497] dump_stack_lvl+0x168/0x230
[ 246.389402][ T5497] ? show_regs_print_info+0x20/0x20
[ 246.394614][ T5497] ? load_image+0x3b0/0x3b0
[ 246.399135][ T5497] sysfs_create_dir_ns+0x252/0x280
[ 246.404256][ T5497] ? __lock_acquire+0x7c60/0x7c60
[ 246.409288][ T5497] ? sysfs_warn_dup+0xa0/0xa0
[ 246.413980][ T5497] ? do_raw_spin_unlock+0x11d/0x230
[ 246.419188][ T5497] kobject_add_internal+0x662/0xd00
[ 246.424397][ T5497] kobject_init_and_add+0x122/0x190
[ 246.429601][ T5497] ? lockdep_softirqs_off+0x420/0x420
[ 246.434982][ T5497] ? kobject_add+0x210/0x210
[ 246.439581][ T5497] ? __init_swait_queue_head+0xa5/0x150
[ 246.445131][ T5497] gfs2_sys_fs_add+0x234/0x480
[ 246.449885][ T5497] ? gfs2_recover_set+0x240/0x240
[ 246.454888][ T5497] ? snprintf+0xd7/0x120
[ 246.459109][ T5497] ? __free_pages+0x95/0x1a0
[ 246.463678][ T5497] ? vscnprintf+0x80/0x80
[ 246.467990][ T5497] gfs2_fill_super+0x128d/0x1f50
[ 246.472911][ T5497] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.477915][ T5497] ? preempt_count_add+0x8d/0x190
[ 246.482921][ T5497] ? sb_set_blocksize+0xa5/0xe0
[ 246.487748][ T5497] get_tree_bdev+0x3f1/0x610
[ 246.492312][ T5497] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.497312][ T5497] gfs2_get_tree+0x4d/0x1e0
[ 246.501791][ T5497] vfs_get_tree+0x88/0x270
[ 246.506184][ T5497] do_new_mount+0x24a/0xa40
[ 246.510669][ T5497] __se_sys_mount+0x2d6/0x3c0
[ 246.515322][ T5497] ? __x64_sys_mount+0xc0/0xc0
[ 246.520067][ T5497] ? lockdep_hardirqs_on+0x94/0x140
[ 246.525254][ T5497] ? __x64_sys_mount+0x1c/0xc0
[ 246.530000][ T5497] do_syscall_64+0x4c/0xa0
[ 246.534394][ T5497] ? clear_bhb_loop+0x30/0x80
[ 246.539045][ T5497] ? clear_bhb_loop+0x30/0x80
[ 246.543719][ T5497] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.549592][ T5497] RIP: 0033:0x7f82a55c538a
[ 246.553988][ T5497] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 246.573573][ T5497] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.581966][ T5497] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 246.589913][ T5497] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 246.597867][ T5497] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 246.605816][ T5497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.613783][ T5497] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.621743][ T5497]
[ 246.626608][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.639837][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.943910][ T5499] loop1: detected capacity change from 0 to 32768
[ 247.007820][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.018729][ T5499] CPU: 1 PID: 5499 Comm: syz.1.209 Not tainted syzkaller #0
[ 247.026043][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 247.036104][ T5499] Call Trace:
[ 247.039387][ T5499]
[ 247.042318][ T5499] dump_stack_lvl+0x168/0x230
[ 247.047006][ T5499] ? show_regs_print_info+0x20/0x20
[ 247.052212][ T5499] ? load_image+0x3b0/0x3b0
[ 247.056732][ T5499] sysfs_create_dir_ns+0x252/0x280
[ 247.061849][ T5499] ? __lock_acquire+0x7c60/0x7c60
[ 247.066901][ T5499] ? sysfs_warn_dup+0xa0/0xa0
[ 247.071594][ T5499] ? do_raw_spin_unlock+0x11d/0x230
[ 247.076799][ T5499] kobject_add_internal+0x662/0xd00
[ 247.081998][ T5499] kobject_init_and_add+0x122/0x190
[ 247.087221][ T5499] ? lockdep_softirqs_off+0x420/0x420
[ 247.092660][ T5499] ? kobject_add+0x210/0x210
[ 247.097230][ T5499] ? __init_swait_queue_head+0xa5/0x150
[ 247.102757][ T5499] gfs2_sys_fs_add+0x234/0x480
[ 247.107551][ T5499] ? gfs2_recover_set+0x240/0x240
[ 247.112559][ T5499] ? snprintf+0xd7/0x120
[ 247.116798][ T5499] ? __free_pages+0x95/0x1a0
[ 247.121421][ T5499] ? vscnprintf+0x80/0x80
[ 247.125760][ T5499] gfs2_fill_super+0x128d/0x1f50
[ 247.130704][ T5499] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.135872][ T5499] ? preempt_count_add+0x8d/0x190
[ 247.140924][ T5499] ? sb_set_blocksize+0xa5/0xe0
[ 247.145780][ T5499] get_tree_bdev+0x3f1/0x610
[ 247.150355][ T5499] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.155456][ T5499] gfs2_get_tree+0x4d/0x1e0
[ 247.159946][ T5499] vfs_get_tree+0x88/0x270
[ 247.164352][ T5499] do_new_mount+0x24a/0xa40
[ 247.168845][ T5499] __se_sys_mount+0x2d6/0x3c0
[ 247.173502][ T5499] ? __x64_sys_mount+0xc0/0xc0
[ 247.178262][ T5499] ? lockdep_hardirqs_on+0x94/0x140
[ 247.183443][ T5499] ? __x64_sys_mount+0x1c/0xc0
[ 247.188198][ T5499] do_syscall_64+0x4c/0xa0
[ 247.192605][ T5499] ? clear_bhb_loop+0x30/0x80
[ 247.197270][ T5499] ? clear_bhb_loop+0x30/0x80
[ 247.201953][ T5499] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.207832][ T5499] RIP: 0033:0x7f82a55c538a
[ 247.212230][ T5499] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 247.231998][ T5499] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.240418][ T5499] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 247.248410][ T5499] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 247.256374][ T5499] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 247.264349][ T5499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.272324][ T5499] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.280401][ T5499]
[ 247.285092][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.298329][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 07:30:04 executed programs: 195
[ 247.617377][ T5501] loop1: detected capacity change from 0 to 32768
[ 247.628138][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.635602][ T5501] CPU: 1 PID: 5501 Comm: syz.1.210 Not tainted syzkaller #0
[ 247.642906][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 247.652983][ T5501] Call Trace:
[ 247.656265][ T5501]
[ 247.659195][ T5501] dump_stack_lvl+0x168/0x230
[ 247.663886][ T5501] ? show_regs_print_info+0x20/0x20
[ 247.669089][ T5501] ? load_image+0x3b0/0x3b0
[ 247.673707][ T5501] sysfs_create_dir_ns+0x252/0x280
[ 247.678802][ T5501] ? __lock_acquire+0x7c60/0x7c60
[ 247.683805][ T5501] ? sysfs_warn_dup+0xa0/0xa0
[ 247.688462][ T5501] ? do_raw_spin_unlock+0x11d/0x230
[ 247.693641][ T5501] kobject_add_internal+0x662/0xd00
[ 247.698841][ T5501] kobject_init_and_add+0x122/0x190
[ 247.704033][ T5501] ? lockdep_softirqs_off+0x420/0x420
[ 247.709388][ T5501] ? kobject_add+0x210/0x210
[ 247.713984][ T5501] ? __init_swait_queue_head+0xa5/0x150
[ 247.719538][ T5501] gfs2_sys_fs_add+0x234/0x480
[ 247.724281][ T5501] ? gfs2_recover_set+0x240/0x240
[ 247.729292][ T5501] ? snprintf+0xd7/0x120
[ 247.733511][ T5501] ? __free_pages+0x95/0x1a0
[ 247.738081][ T5501] ? vscnprintf+0x80/0x80
[ 247.742400][ T5501] gfs2_fill_super+0x128d/0x1f50
[ 247.747324][ T5501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.752324][ T5501] ? preempt_count_add+0x8d/0x190
[ 247.757389][ T5501] ? sb_set_blocksize+0xa5/0xe0
[ 247.762219][ T5501] get_tree_bdev+0x3f1/0x610
[ 247.766788][ T5501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.771800][ T5501] gfs2_get_tree+0x4d/0x1e0
[ 247.776283][ T5501] vfs_get_tree+0x88/0x270
[ 247.780693][ T5501] do_new_mount+0x24a/0xa40
[ 247.785175][ T5501] __se_sys_mount+0x2d6/0x3c0
[ 247.789833][ T5501] ? __x64_sys_mount+0xc0/0xc0
[ 247.794583][ T5501] ? lockdep_hardirqs_on+0x94/0x140
[ 247.799755][ T5501] ? __x64_sys_mount+0x1c/0xc0
[ 247.804514][ T5501] do_syscall_64+0x4c/0xa0
[ 247.808908][ T5501] ? clear_bhb_loop+0x30/0x80
[ 247.813559][ T5501] ? clear_bhb_loop+0x30/0x80
[ 247.818212][ T5501] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.824080][ T5501] RIP: 0033:0x7f82a55c538a
[ 247.828486][ T5501] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 247.848073][ T5501] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.856473][ T5501] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 247.864433][ T5501] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 247.872388][ T5501] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 247.880426][ T5501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.888383][ T5501] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.896339][ T5501]
[ 247.901578][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.914776][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.236280][ T5503] loop1: detected capacity change from 0 to 32768
[ 248.288488][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.296536][ T5503] CPU: 0 PID: 5503 Comm: syz.1.211 Not tainted syzkaller #0
[ 248.304002][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 248.314094][ T5503] Call Trace:
[ 248.317383][ T5503]
[ 248.320324][ T5503] dump_stack_lvl+0x168/0x230
[ 248.325025][ T5503] ? show_regs_print_info+0x20/0x20
[ 248.330236][ T5503] ? load_image+0x3b0/0x3b0
[ 248.334763][ T5503] sysfs_create_dir_ns+0x252/0x280
[ 248.339886][ T5503] ? __lock_acquire+0x7c60/0x7c60
[ 248.344917][ T5503] ? sysfs_warn_dup+0xa0/0xa0
[ 248.349608][ T5503] ? do_raw_spin_unlock+0x11d/0x230
[ 248.354830][ T5503] kobject_add_internal+0x662/0xd00
[ 248.360213][ T5503] kobject_init_and_add+0x122/0x190
[ 248.365401][ T5503] ? lockdep_softirqs_off+0x420/0x420
[ 248.370760][ T5503] ? kobject_add+0x210/0x210
[ 248.375356][ T5503] ? __init_swait_queue_head+0xa5/0x150
[ 248.380881][ T5503] gfs2_sys_fs_add+0x234/0x480
[ 248.385630][ T5503] ? gfs2_recover_set+0x240/0x240
[ 248.390634][ T5503] ? snprintf+0xd7/0x120
[ 248.394856][ T5503] ? __free_pages+0x95/0x1a0
[ 248.399428][ T5503] ? vscnprintf+0x80/0x80
[ 248.404010][ T5503] gfs2_fill_super+0x128d/0x1f50
[ 248.409050][ T5503] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.414067][ T5503] ? preempt_count_add+0x8d/0x190
[ 248.419088][ T5503] ? sb_set_blocksize+0xa5/0xe0
[ 248.423938][ T5503] get_tree_bdev+0x3f1/0x610
[ 248.428520][ T5503] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.433531][ T5503] gfs2_get_tree+0x4d/0x1e0
[ 248.438023][ T5503] vfs_get_tree+0x88/0x270
[ 248.442424][ T5503] do_new_mount+0x24a/0xa40
[ 248.446921][ T5503] __se_sys_mount+0x2d6/0x3c0
[ 248.451613][ T5503] ? __x64_sys_mount+0xc0/0xc0
[ 248.456409][ T5503] ? lockdep_hardirqs_on+0x94/0x140
[ 248.461592][ T5503] ? __x64_sys_mount+0x1c/0xc0
[ 248.466343][ T5503] do_syscall_64+0x4c/0xa0
[ 248.470742][ T5503] ? clear_bhb_loop+0x30/0x80
[ 248.475403][ T5503] ? clear_bhb_loop+0x30/0x80
[ 248.480074][ T5503] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.485959][ T5503] RIP: 0033:0x7f82a55c538a
[ 248.490365][ T5503] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 248.509960][ T5503] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.518370][ T5503] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 248.526343][ T5503] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 248.534299][ T5503] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 248.542354][ T5503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.550308][ T5503] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.558309][ T5503]
[ 248.562178][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.575491][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.899030][ T5505] loop1: detected capacity change from 0 to 32768
[ 248.950607][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.958040][ T5505] CPU: 0 PID: 5505 Comm: syz.1.212 Not tainted syzkaller #0
[ 248.965337][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 248.975404][ T5505] Call Trace:
[ 248.978692][ T5505]
[ 248.981621][ T5505] dump_stack_lvl+0x168/0x230
[ 248.986331][ T5505] ? show_regs_print_info+0x20/0x20
[ 248.991546][ T5505] ? load_image+0x3b0/0x3b0
[ 248.996204][ T5505] sysfs_create_dir_ns+0x252/0x280
[ 249.001332][ T5505] ? __lock_acquire+0x7c60/0x7c60
[ 249.006361][ T5505] ? sysfs_warn_dup+0xa0/0xa0
[ 249.011051][ T5505] ? do_raw_spin_unlock+0x11d/0x230
[ 249.016256][ T5505] kobject_add_internal+0x662/0xd00
[ 249.021472][ T5505] kobject_init_and_add+0x122/0x190
[ 249.026677][ T5505] ? lockdep_softirqs_off+0x420/0x420
[ 249.032051][ T5505] ? kobject_add+0x210/0x210
[ 249.036633][ T5505] ? __init_swait_queue_head+0xa5/0x150
[ 249.042165][ T5505] gfs2_sys_fs_add+0x234/0x480
[ 249.046915][ T5505] ? gfs2_recover_set+0x240/0x240
[ 249.051921][ T5505] ? snprintf+0xd7/0x120
[ 249.056145][ T5505] ? __free_pages+0x95/0x1a0
[ 249.060723][ T5505] ? vscnprintf+0x80/0x80
[ 249.065059][ T5505] gfs2_fill_super+0x128d/0x1f50
[ 249.069994][ T5505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.075008][ T5505] ? preempt_count_add+0x8d/0x190
[ 249.080026][ T5505] ? sb_set_blocksize+0xa5/0xe0
[ 249.084875][ T5505] get_tree_bdev+0x3f1/0x610
[ 249.089463][ T5505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.094483][ T5505] gfs2_get_tree+0x4d/0x1e0
[ 249.098979][ T5505] vfs_get_tree+0x88/0x270
[ 249.103382][ T5505] do_new_mount+0x24a/0xa40
[ 249.107875][ T5505] __se_sys_mount+0x2d6/0x3c0
[ 249.112539][ T5505] ? __x64_sys_mount+0xc0/0xc0
[ 249.117288][ T5505] ? lockdep_hardirqs_on+0x94/0x140
[ 249.122472][ T5505] ? __x64_sys_mount+0x1c/0xc0
[ 249.127233][ T5505] do_syscall_64+0x4c/0xa0
[ 249.131629][ T5505] ? clear_bhb_loop+0x30/0x80
[ 249.136287][ T5505] ? clear_bhb_loop+0x30/0x80
[ 249.140952][ T5505] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.146839][ T5505] RIP: 0033:0x7f82a55c538a
[ 249.151238][ T5505] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 249.171267][ T5505] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.179676][ T5505] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 249.187636][ T5505] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 249.195597][ T5505] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 249.203558][ T5505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.211514][ T5505] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.219501][ T5505]
[ 249.230636][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.243800][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.578825][ T5507] loop1: detected capacity change from 0 to 32768
[ 249.651160][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.658656][ T5507] CPU: 1 PID: 5507 Comm: syz.1.213 Not tainted syzkaller #0
[ 249.665951][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 249.676016][ T5507] Call Trace:
[ 249.679301][ T5507]
[ 249.682236][ T5507] dump_stack_lvl+0x168/0x230
[ 249.687016][ T5507] ? show_regs_print_info+0x20/0x20
[ 249.692234][ T5507] ? load_image+0x3b0/0x3b0
[ 249.696761][ T5507] sysfs_create_dir_ns+0x252/0x280
[ 249.701886][ T5507] ? __lock_acquire+0x7c60/0x7c60
[ 249.706915][ T5507] ? sysfs_warn_dup+0xa0/0xa0
[ 249.711629][ T5507] ? do_raw_spin_unlock+0x11d/0x230
[ 249.716841][ T5507] kobject_add_internal+0x662/0xd00
[ 249.722047][ T5507] kobject_init_and_add+0x122/0x190
[ 249.727229][ T5507] ? lockdep_softirqs_off+0x420/0x420
[ 249.732582][ T5507] ? kobject_add+0x210/0x210
[ 249.737164][ T5507] ? __init_swait_queue_head+0xa5/0x150
[ 249.742692][ T5507] gfs2_sys_fs_add+0x234/0x480
[ 249.747445][ T5507] ? gfs2_recover_set+0x240/0x240
[ 249.752473][ T5507] ? snprintf+0xd7/0x120
[ 249.756696][ T5507] ? __free_pages+0x95/0x1a0
[ 249.761264][ T5507] ? vscnprintf+0x80/0x80
[ 249.765690][ T5507] gfs2_fill_super+0x128d/0x1f50
[ 249.770615][ T5507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.775620][ T5507] ? preempt_count_add+0x8d/0x190
[ 249.780660][ T5507] ? sb_set_blocksize+0xa5/0xe0
[ 249.785506][ T5507] get_tree_bdev+0x3f1/0x610
[ 249.790082][ T5507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.795101][ T5507] gfs2_get_tree+0x4d/0x1e0
[ 249.799590][ T5507] vfs_get_tree+0x88/0x270
[ 249.803994][ T5507] do_new_mount+0x24a/0xa40
[ 249.808489][ T5507] __se_sys_mount+0x2d6/0x3c0
[ 249.813148][ T5507] ? __x64_sys_mount+0xc0/0xc0
[ 249.817983][ T5507] ? lockdep_hardirqs_on+0x94/0x140
[ 249.823179][ T5507] ? __x64_sys_mount+0x1c/0xc0
[ 249.827944][ T5507] do_syscall_64+0x4c/0xa0
[ 249.832343][ T5507] ? clear_bhb_loop+0x30/0x80
[ 249.837003][ T5507] ? clear_bhb_loop+0x30/0x80
[ 249.841667][ T5507] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.847562][ T5507] RIP: 0033:0x7f82a55c538a
[ 249.851957][ T5507] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 249.872116][ T5507] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.880546][ T5507] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 249.888528][ T5507] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 249.896497][ T5507] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 249.904461][ T5507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.912486][ T5507] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.920479][ T5507]
[ 249.925164][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.938329][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.255278][ T5509] loop1: detected capacity change from 0 to 32768
[ 250.333569][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.341110][ T5509] CPU: 1 PID: 5509 Comm: syz.1.214 Not tainted syzkaller #0
[ 250.348404][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 250.358472][ T5509] Call Trace:
[ 250.361760][ T5509]
[ 250.364694][ T5509] dump_stack_lvl+0x168/0x230
[ 250.369389][ T5509] ? show_regs_print_info+0x20/0x20
[ 250.374600][ T5509] ? load_image+0x3b0/0x3b0
[ 250.379127][ T5509] sysfs_create_dir_ns+0x252/0x280
[ 250.384259][ T5509] ? __lock_acquire+0x7c60/0x7c60
[ 250.389303][ T5509] ? sysfs_warn_dup+0xa0/0xa0
[ 250.394015][ T5509] ? do_raw_spin_unlock+0x11d/0x230
[ 250.399329][ T5509] kobject_add_internal+0x662/0xd00
[ 250.404557][ T5509] kobject_init_and_add+0x122/0x190
[ 250.409925][ T5509] ? lockdep_softirqs_off+0x420/0x420
[ 250.415417][ T5509] ? kobject_add+0x210/0x210
[ 250.420020][ T5509] ? __init_swait_queue_head+0xa5/0x150
[ 250.425565][ T5509] gfs2_sys_fs_add+0x234/0x480
[ 250.430453][ T5509] ? gfs2_recover_set+0x240/0x240
[ 250.435470][ T5509] ? snprintf+0xd7/0x120
[ 250.439715][ T5509] ? __free_pages+0x95/0x1a0
[ 250.444294][ T5509] ? vscnprintf+0x80/0x80
[ 250.448624][ T5509] gfs2_fill_super+0x128d/0x1f50
[ 250.453558][ T5509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.458589][ T5509] ? preempt_count_add+0x8d/0x190
[ 250.463604][ T5509] ? sb_set_blocksize+0xa5/0xe0
[ 250.468440][ T5509] get_tree_bdev+0x3f1/0x610
[ 250.473011][ T5509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.478017][ T5509] gfs2_get_tree+0x4d/0x1e0
[ 250.482516][ T5509] vfs_get_tree+0x88/0x270
[ 250.486924][ T5509] do_new_mount+0x24a/0xa40
[ 250.491421][ T5509] __se_sys_mount+0x2d6/0x3c0
[ 250.496083][ T5509] ? __x64_sys_mount+0xc0/0xc0
[ 250.500836][ T5509] ? lockdep_hardirqs_on+0x94/0x140
[ 250.506041][ T5509] ? __x64_sys_mount+0x1c/0xc0
[ 250.510800][ T5509] do_syscall_64+0x4c/0xa0
[ 250.515291][ T5509] ? clear_bhb_loop+0x30/0x80
[ 250.519964][ T5509] ? clear_bhb_loop+0x30/0x80
[ 250.524625][ T5509] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.530686][ T5509] RIP: 0033:0x7f82a55c538a
[ 250.535091][ T5509] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 250.554684][ T5509] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.563354][ T5509] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 250.571326][ T5509] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 250.579283][ T5509] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 250.587236][ T5509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.595196][ T5509] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.603336][ T5509]
[ 250.609902][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.623533][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.928883][ T5511] loop1: detected capacity change from 0 to 32768
[ 251.023788][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.032227][ T5511] CPU: 1 PID: 5511 Comm: syz.1.215 Not tainted syzkaller #0
[ 251.039524][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 251.049591][ T5511] Call Trace:
[ 251.052983][ T5511]
[ 251.056353][ T5511] dump_stack_lvl+0x168/0x230
[ 251.061162][ T5511] ? show_regs_print_info+0x20/0x20
[ 251.066379][ T5511] ? load_image+0x3b0/0x3b0
[ 251.070909][ T5511] sysfs_create_dir_ns+0x252/0x280
[ 251.076033][ T5511] ? __lock_acquire+0x7c60/0x7c60
[ 251.081068][ T5511] ? sysfs_warn_dup+0xa0/0xa0
[ 251.085736][ T5511] ? do_raw_spin_unlock+0x11d/0x230
[ 251.090922][ T5511] kobject_add_internal+0x662/0xd00
[ 251.096109][ T5511] kobject_init_and_add+0x122/0x190
[ 251.101287][ T5511] ? lockdep_softirqs_off+0x420/0x420
[ 251.106670][ T5511] ? kobject_add+0x210/0x210
[ 251.111255][ T5511] ? __init_swait_queue_head+0xa5/0x150
[ 251.116810][ T5511] gfs2_sys_fs_add+0x234/0x480
[ 251.121563][ T5511] ? gfs2_recover_set+0x240/0x240
[ 251.126570][ T5511] ? snprintf+0xd7/0x120
[ 251.130856][ T5511] ? __free_pages+0x95/0x1a0
[ 251.135445][ T5511] ? vscnprintf+0x80/0x80
[ 251.139770][ T5511] gfs2_fill_super+0x128d/0x1f50
[ 251.144701][ T5511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.149711][ T5511] ? preempt_count_add+0x8d/0x190
[ 251.154719][ T5511] ? sb_set_blocksize+0xa5/0xe0
[ 251.159553][ T5511] get_tree_bdev+0x3f1/0x610
[ 251.164126][ T5511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.169140][ T5511] gfs2_get_tree+0x4d/0x1e0
[ 251.173638][ T5511] vfs_get_tree+0x88/0x270
[ 251.178070][ T5511] do_new_mount+0x24a/0xa40
[ 251.182568][ T5511] __se_sys_mount+0x2d6/0x3c0
[ 251.187230][ T5511] ? __x64_sys_mount+0xc0/0xc0
[ 251.191980][ T5511] ? lockdep_hardirqs_on+0x94/0x140
[ 251.197164][ T5511] ? __x64_sys_mount+0x1c/0xc0
[ 251.201909][ T5511] do_syscall_64+0x4c/0xa0
[ 251.206305][ T5511] ? clear_bhb_loop+0x30/0x80
[ 251.210959][ T5511] ? clear_bhb_loop+0x30/0x80
[ 251.215619][ T5511] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.221494][ T5511] RIP: 0033:0x7f82a55c538a
[ 251.225891][ T5511] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 251.245492][ T5511] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.253892][ T5511] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 251.261844][ T5511] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 251.269823][ T5511] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 251.277781][ T5511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.285827][ T5511] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.293905][ T5511]
[ 251.298548][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.311955][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.607466][ T5513] loop1: detected capacity change from 0 to 32768
[ 251.672576][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.680098][ T5513] CPU: 1 PID: 5513 Comm: syz.1.216 Not tainted syzkaller #0
[ 251.687394][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 251.697473][ T5513] Call Trace:
[ 251.700758][ T5513]
[ 251.703731][ T5513] dump_stack_lvl+0x168/0x230
[ 251.708424][ T5513] ? show_regs_print_info+0x20/0x20
[ 251.713639][ T5513] ? load_image+0x3b0/0x3b0
[ 251.718159][ T5513] sysfs_create_dir_ns+0x252/0x280
[ 251.723287][ T5513] ? __lock_acquire+0x7c60/0x7c60
[ 251.728331][ T5513] ? sysfs_warn_dup+0xa0/0xa0
[ 251.733034][ T5513] ? do_raw_spin_unlock+0x11d/0x230
[ 251.738243][ T5513] kobject_add_internal+0x662/0xd00
[ 251.743469][ T5513] kobject_init_and_add+0x122/0x190
[ 251.748673][ T5513] ? lockdep_softirqs_off+0x420/0x420
[ 251.754037][ T5513] ? kobject_add+0x210/0x210
[ 251.758611][ T5513] ? __init_swait_queue_head+0xa5/0x150
[ 251.764144][ T5513] gfs2_sys_fs_add+0x234/0x480
[ 251.768904][ T5513] ? gfs2_recover_set+0x240/0x240
[ 251.773907][ T5513] ? snprintf+0xd7/0x120
[ 251.778216][ T5513] ? __free_pages+0x95/0x1a0
[ 251.782789][ T5513] ? vscnprintf+0x80/0x80
[ 251.787103][ T5513] gfs2_fill_super+0x128d/0x1f50
[ 251.792032][ T5513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.797038][ T5513] ? preempt_count_add+0x8d/0x190
[ 251.802048][ T5513] ? sb_set_blocksize+0xa5/0xe0
[ 251.806880][ T5513] get_tree_bdev+0x3f1/0x610
[ 251.811451][ T5513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.816453][ T5513] gfs2_get_tree+0x4d/0x1e0
[ 251.820948][ T5513] vfs_get_tree+0x88/0x270
[ 251.825379][ T5513] do_new_mount+0x24a/0xa40
[ 251.829884][ T5513] __se_sys_mount+0x2d6/0x3c0
[ 251.834569][ T5513] ? __x64_sys_mount+0xc0/0xc0
[ 251.839327][ T5513] ? lockdep_hardirqs_on+0x94/0x140
[ 251.844532][ T5513] ? __x64_sys_mount+0x1c/0xc0
[ 251.849288][ T5513] do_syscall_64+0x4c/0xa0
[ 251.853693][ T5513] ? clear_bhb_loop+0x30/0x80
[ 251.858350][ T5513] ? clear_bhb_loop+0x30/0x80
[ 251.863007][ T5513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.868888][ T5513] RIP: 0033:0x7f82a55c538a
[ 251.873282][ T5513] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 251.892964][ T5513] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.901370][ T5513] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 251.909351][ T5513] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 251.917304][ T5513] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 251.925437][ T5513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.933394][ T5513] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.941376][ T5513]
[ 251.946582][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.960095][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.265680][ T5515] loop1: detected capacity change from 0 to 32768
[ 252.363691][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.371469][ T5515] CPU: 1 PID: 5515 Comm: syz.1.217 Not tainted syzkaller #0
[ 252.378861][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 252.388928][ T5515] Call Trace:
[ 252.392219][ T5515]
[ 252.395156][ T5515] dump_stack_lvl+0x168/0x230
[ 252.399844][ T5515] ? show_regs_print_info+0x20/0x20
[ 252.405145][ T5515] ? load_image+0x3b0/0x3b0
[ 252.409674][ T5515] sysfs_create_dir_ns+0x252/0x280
[ 252.414895][ T5515] ? __lock_acquire+0x7c60/0x7c60
[ 252.419988][ T5515] ? sysfs_warn_dup+0xa0/0xa0
[ 252.424709][ T5515] ? do_raw_spin_unlock+0x11d/0x230
[ 252.429893][ T5515] kobject_add_internal+0x662/0xd00
[ 252.435077][ T5515] kobject_init_and_add+0x122/0x190
[ 252.440269][ T5515] ? lockdep_softirqs_off+0x420/0x420
[ 252.445625][ T5515] ? kobject_add+0x210/0x210
[ 252.450193][ T5515] ? __init_swait_queue_head+0xa5/0x150
[ 252.455721][ T5515] gfs2_sys_fs_add+0x234/0x480
[ 252.460469][ T5515] ? gfs2_recover_set+0x240/0x240
[ 252.465475][ T5515] ? snprintf+0xd7/0x120
[ 252.469705][ T5515] ? __free_pages+0x95/0x1a0
[ 252.474296][ T5515] ? vscnprintf+0x80/0x80
[ 252.478717][ T5515] gfs2_fill_super+0x128d/0x1f50
[ 252.483660][ T5515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.488690][ T5515] ? preempt_count_add+0x8d/0x190
[ 252.493702][ T5515] ? sb_set_blocksize+0xa5/0xe0
[ 252.498639][ T5515] get_tree_bdev+0x3f1/0x610
[ 252.503238][ T5515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.508254][ T5515] gfs2_get_tree+0x4d/0x1e0
[ 252.512761][ T5515] vfs_get_tree+0x88/0x270
[ 252.517163][ T5515] do_new_mount+0x24a/0xa40
[ 252.521647][ T5515] __se_sys_mount+0x2d6/0x3c0
[ 252.526317][ T5515] ? __x64_sys_mount+0xc0/0xc0
[ 252.531162][ T5515] ? lockdep_hardirqs_on+0x94/0x140
[ 252.536362][ T5515] ? __x64_sys_mount+0x1c/0xc0
[ 252.541118][ T5515] do_syscall_64+0x4c/0xa0
[ 252.545542][ T5515] ? clear_bhb_loop+0x30/0x80
[ 252.550199][ T5515] ? clear_bhb_loop+0x30/0x80
[ 252.554859][ T5515] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.560732][ T5515] RIP: 0033:0x7f82a55c538a
[ 252.565132][ T5515] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 252.584809][ T5515] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.593291][ T5515] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 252.601247][ T5515] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 252.609197][ T5515] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 252.617145][ T5515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.625096][ T5515] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.633059][ T5515]
[ 252.637693][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.650852][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 07:30:09 executed programs: 203
[ 252.939374][ T5517] loop1: detected capacity change from 0 to 32768
[ 252.991104][ T5517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.998931][ T5517] CPU: 1 PID: 5517 Comm: syz.1.218 Not tainted syzkaller #0
[ 253.006340][ T5517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 253.016417][ T5517] Call Trace:
[ 253.019703][ T5517]
[ 253.022634][ T5517] dump_stack_lvl+0x168/0x230
[ 253.027329][ T5517] ? show_regs_print_info+0x20/0x20
[ 253.032543][ T5517] ? load_image+0x3b0/0x3b0
[ 253.037063][ T5517] sysfs_create_dir_ns+0x252/0x280
[ 253.042195][ T5517] ? __lock_acquire+0x7c60/0x7c60
[ 253.047232][ T5517] ? sysfs_warn_dup+0xa0/0xa0
[ 253.051918][ T5517] ? do_raw_spin_unlock+0x11d/0x230
[ 253.057152][ T5517] kobject_add_internal+0x662/0xd00
[ 253.062355][ T5517] kobject_init_and_add+0x122/0x190
[ 253.067537][ T5517] ? lockdep_softirqs_off+0x420/0x420
[ 253.072890][ T5517] ? kobject_add+0x210/0x210
[ 253.077470][ T5517] ? __init_swait_queue_head+0xa5/0x150
[ 253.083001][ T5517] gfs2_sys_fs_add+0x234/0x480
[ 253.087752][ T5517] ? gfs2_recover_set+0x240/0x240
[ 253.092750][ T5517] ? snprintf+0xd7/0x120
[ 253.096971][ T5517] ? __free_pages+0x95/0x1a0
[ 253.101541][ T5517] ? vscnprintf+0x80/0x80
[ 253.105876][ T5517] gfs2_fill_super+0x128d/0x1f50
[ 253.110803][ T5517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.115809][ T5517] ? preempt_count_add+0x8d/0x190
[ 253.120817][ T5517] ? sb_set_blocksize+0xa5/0xe0
[ 253.125653][ T5517] get_tree_bdev+0x3f1/0x610
[ 253.130305][ T5517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.135306][ T5517] gfs2_get_tree+0x4d/0x1e0
[ 253.139789][ T5517] vfs_get_tree+0x88/0x270
[ 253.144267][ T5517] do_new_mount+0x24a/0xa40
[ 253.148754][ T5517] __se_sys_mount+0x2d6/0x3c0
[ 253.153407][ T5517] ? __x64_sys_mount+0xc0/0xc0
[ 253.158149][ T5517] ? lockdep_hardirqs_on+0x94/0x140
[ 253.163323][ T5517] ? __x64_sys_mount+0x1c/0xc0
[ 253.168115][ T5517] do_syscall_64+0x4c/0xa0
[ 253.172511][ T5517] ? clear_bhb_loop+0x30/0x80
[ 253.177166][ T5517] ? clear_bhb_loop+0x30/0x80
[ 253.181817][ T5517] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.187692][ T5517] RIP: 0033:0x7f82a55c538a
[ 253.192083][ T5517] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 253.211776][ T5517] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.220169][ T5517] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 253.228124][ T5517] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 253.236073][ T5517] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 253.244068][ T5517] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.252015][ T5517] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.259972][ T5517]
[ 253.265088][ T5517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.278376][ T5517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.593767][ T5519] loop1: detected capacity change from 0 to 32768
[ 253.648115][ T5519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.655667][ T5519] CPU: 1 PID: 5519 Comm: syz.1.219 Not tainted syzkaller #0
[ 253.663051][ T5519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 253.673112][ T5519] Call Trace:
[ 253.676397][ T5519]
[ 253.679338][ T5519] dump_stack_lvl+0x168/0x230
[ 253.684026][ T5519] ? show_regs_print_info+0x20/0x20
[ 253.689230][ T5519] ? load_image+0x3b0/0x3b0
[ 253.693753][ T5519] sysfs_create_dir_ns+0x252/0x280
[ 253.698895][ T5519] ? __lock_acquire+0x7c60/0x7c60
[ 253.703933][ T5519] ? sysfs_warn_dup+0xa0/0xa0
[ 253.708640][ T5519] ? do_raw_spin_unlock+0x11d/0x230
[ 253.713858][ T5519] kobject_add_internal+0x662/0xd00
[ 253.719072][ T5519] kobject_init_and_add+0x122/0x190
[ 253.724296][ T5519] ? lockdep_softirqs_off+0x420/0x420
[ 253.729702][ T5519] ? kobject_add+0x210/0x210
[ 253.734309][ T5519] ? __init_swait_queue_head+0xa5/0x150
[ 253.739848][ T5519] gfs2_sys_fs_add+0x234/0x480
[ 253.744681][ T5519] ? gfs2_recover_set+0x240/0x240
[ 253.749698][ T5519] ? snprintf+0xd7/0x120
[ 253.753948][ T5519] ? __free_pages+0x95/0x1a0
[ 253.758554][ T5519] ? vscnprintf+0x80/0x80
[ 253.763008][ T5519] gfs2_fill_super+0x128d/0x1f50
[ 253.768253][ T5519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.773269][ T5519] ? preempt_count_add+0x8d/0x190
[ 253.778380][ T5519] ? sb_set_blocksize+0xa5/0xe0
[ 253.783219][ T5519] get_tree_bdev+0x3f1/0x610
[ 253.787808][ T5519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.792824][ T5519] gfs2_get_tree+0x4d/0x1e0
[ 253.797314][ T5519] vfs_get_tree+0x88/0x270
[ 253.801731][ T5519] do_new_mount+0x24a/0xa40
[ 253.806218][ T5519] __se_sys_mount+0x2d6/0x3c0
[ 253.810889][ T5519] ? __x64_sys_mount+0xc0/0xc0
[ 253.815660][ T5519] ? lockdep_hardirqs_on+0x94/0x140
[ 253.820842][ T5519] ? __x64_sys_mount+0x1c/0xc0
[ 253.825590][ T5519] do_syscall_64+0x4c/0xa0
[ 253.829983][ T5519] ? clear_bhb_loop+0x30/0x80
[ 253.834633][ T5519] ? clear_bhb_loop+0x30/0x80
[ 253.839295][ T5519] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.845168][ T5519] RIP: 0033:0x7f82a55c538a
[ 253.849572][ T5519] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 253.869634][ T5519] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.878123][ T5519] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 253.886204][ T5519] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 253.894167][ T5519] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 253.902134][ T5519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.910251][ T5519] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.918257][ T5519]
[ 253.923106][ T5519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.936298][ T5519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.238517][ T5521] loop1: detected capacity change from 0 to 32768
[ 254.300900][ T5521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.308727][ T5521] CPU: 0 PID: 5521 Comm: syz.1.220 Not tainted syzkaller #0
[ 254.316080][ T5521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 254.326146][ T5521] Call Trace:
[ 254.329605][ T5521]
[ 254.332548][ T5521] dump_stack_lvl+0x168/0x230
[ 254.337244][ T5521] ? show_regs_print_info+0x20/0x20
[ 254.342544][ T5521] ? load_image+0x3b0/0x3b0
[ 254.347071][ T5521] sysfs_create_dir_ns+0x252/0x280
[ 254.352282][ T5521] ? __lock_acquire+0x7c60/0x7c60
[ 254.357325][ T5521] ? sysfs_warn_dup+0xa0/0xa0
[ 254.362030][ T5521] ? do_raw_spin_unlock+0x11d/0x230
[ 254.367258][ T5521] kobject_add_internal+0x662/0xd00
[ 254.372477][ T5521] kobject_init_and_add+0x122/0x190
[ 254.377678][ T5521] ? lockdep_softirqs_off+0x420/0x420
[ 254.383041][ T5521] ? kobject_add+0x210/0x210
[ 254.387624][ T5521] ? __init_swait_queue_head+0xa5/0x150
[ 254.393152][ T5521] gfs2_sys_fs_add+0x234/0x480
[ 254.397910][ T5521] ? gfs2_recover_set+0x240/0x240
[ 254.402912][ T5521] ? snprintf+0xd7/0x120
[ 254.407137][ T5521] ? __free_pages+0x95/0x1a0
[ 254.411818][ T5521] ? vscnprintf+0x80/0x80
[ 254.416238][ T5521] gfs2_fill_super+0x128d/0x1f50
[ 254.421327][ T5521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.426444][ T5521] ? preempt_count_add+0x8d/0x190
[ 254.431462][ T5521] ? sb_set_blocksize+0xa5/0xe0
[ 254.436310][ T5521] get_tree_bdev+0x3f1/0x610
[ 254.440896][ T5521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.446011][ T5521] gfs2_get_tree+0x4d/0x1e0
[ 254.450500][ T5521] vfs_get_tree+0x88/0x270
[ 254.454929][ T5521] do_new_mount+0x24a/0xa40
[ 254.459446][ T5521] __se_sys_mount+0x2d6/0x3c0
[ 254.464130][ T5521] ? __x64_sys_mount+0xc0/0xc0
[ 254.468887][ T5521] ? lockdep_hardirqs_on+0x94/0x140
[ 254.474067][ T5521] ? __x64_sys_mount+0x1c/0xc0
[ 254.478825][ T5521] do_syscall_64+0x4c/0xa0
[ 254.483247][ T5521] ? clear_bhb_loop+0x30/0x80
[ 254.487928][ T5521] ? clear_bhb_loop+0x30/0x80
[ 254.492591][ T5521] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.498464][ T5521] RIP: 0033:0x7f82a55c538a
[ 254.502872][ T5521] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 254.522467][ T5521] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.530872][ T5521] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 254.538828][ T5521] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 254.546783][ T5521] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 254.554750][ T5521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.562721][ T5521] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.570689][ T5521]
[ 254.581474][ T5521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.594661][ T5521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.926352][ T5523] loop1: detected capacity change from 0 to 32768
[ 254.981070][ T5523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.988478][ T5523] CPU: 0 PID: 5523 Comm: syz.1.221 Not tainted syzkaller #0
[ 254.995769][ T5523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 255.005836][ T5523] Call Trace:
[ 255.009130][ T5523]
[ 255.012071][ T5523] dump_stack_lvl+0x168/0x230
[ 255.016759][ T5523] ? show_regs_print_info+0x20/0x20
[ 255.021971][ T5523] ? load_image+0x3b0/0x3b0
[ 255.026496][ T5523] sysfs_create_dir_ns+0x252/0x280
[ 255.031620][ T5523] ? __lock_acquire+0x7c60/0x7c60
[ 255.036650][ T5523] ? sysfs_warn_dup+0xa0/0xa0
[ 255.041335][ T5523] ? do_raw_spin_unlock+0x11d/0x230
[ 255.046543][ T5523] kobject_add_internal+0x662/0xd00
[ 255.051756][ T5523] kobject_init_and_add+0x122/0x190
[ 255.056970][ T5523] ? lockdep_softirqs_off+0x420/0x420
[ 255.062358][ T5523] ? kobject_add+0x210/0x210
[ 255.066936][ T5523] ? __init_swait_queue_head+0xa5/0x150
[ 255.072462][ T5523] gfs2_sys_fs_add+0x234/0x480
[ 255.077225][ T5523] ? gfs2_recover_set+0x240/0x240
[ 255.082241][ T5523] ? snprintf+0xd7/0x120
[ 255.086461][ T5523] ? __free_pages+0x95/0x1a0
[ 255.091036][ T5523] ? vscnprintf+0x80/0x80
[ 255.095364][ T5523] gfs2_fill_super+0x128d/0x1f50
[ 255.100285][ T5523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.105289][ T5523] ? preempt_count_add+0x8d/0x190
[ 255.110305][ T5523] ? sb_set_blocksize+0xa5/0xe0
[ 255.115150][ T5523] get_tree_bdev+0x3f1/0x610
[ 255.119743][ T5523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.124758][ T5523] gfs2_get_tree+0x4d/0x1e0
[ 255.129268][ T5523] vfs_get_tree+0x88/0x270
[ 255.133811][ T5523] do_new_mount+0x24a/0xa40
[ 255.138316][ T5523] __se_sys_mount+0x2d6/0x3c0
[ 255.142979][ T5523] ? __x64_sys_mount+0xc0/0xc0
[ 255.148021][ T5523] ? lockdep_hardirqs_on+0x94/0x140
[ 255.153305][ T5523] ? __x64_sys_mount+0x1c/0xc0
[ 255.158074][ T5523] do_syscall_64+0x4c/0xa0
[ 255.162478][ T5523] ? clear_bhb_loop+0x30/0x80
[ 255.167138][ T5523] ? clear_bhb_loop+0x30/0x80
[ 255.171798][ T5523] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.177687][ T5523] RIP: 0033:0x7f82a55c538a
[ 255.182088][ T5523] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 255.201678][ T5523] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.210083][ T5523] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 255.218052][ T5523] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 255.226038][ T5523] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 255.234092][ T5523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.242138][ T5523] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.250112][ T5523]
[ 255.253807][ T5523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.266971][ T5523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.596279][ T5525] loop1: detected capacity change from 0 to 32768
[ 255.605167][ T1428] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.605229][ T1428] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.660860][ T5525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.668262][ T5525] CPU: 1 PID: 5525 Comm: syz.1.222 Not tainted syzkaller #0
[ 255.675557][ T5525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 255.685880][ T5525] Call Trace:
[ 255.689164][ T5525]
[ 255.692093][ T5525] dump_stack_lvl+0x168/0x230
[ 255.696804][ T5525] ? show_regs_print_info+0x20/0x20
[ 255.702012][ T5525] ? load_image+0x3b0/0x3b0
[ 255.706536][ T5525] sysfs_create_dir_ns+0x252/0x280
[ 255.711661][ T5525] ? __lock_acquire+0x7c60/0x7c60
[ 255.721553][ T5525] ? sysfs_warn_dup+0xa0/0xa0
[ 255.726252][ T5525] ? do_raw_spin_unlock+0x11d/0x230
[ 255.731544][ T5525] kobject_add_internal+0x662/0xd00
[ 255.736733][ T5525] kobject_init_and_add+0x122/0x190
[ 255.742191][ T5525] ? lockdep_softirqs_off+0x420/0x420
[ 255.747567][ T5525] ? kobject_add+0x210/0x210
[ 255.752144][ T5525] ? __init_swait_queue_head+0xa5/0x150
[ 255.757668][ T5525] gfs2_sys_fs_add+0x234/0x480
[ 255.762519][ T5525] ? gfs2_recover_set+0x240/0x240
[ 255.767520][ T5525] ? snprintf+0xd7/0x120
[ 255.771751][ T5525] ? __free_pages+0x95/0x1a0
[ 255.776327][ T5525] ? vscnprintf+0x80/0x80
[ 255.780726][ T5525] gfs2_fill_super+0x128d/0x1f50
[ 255.785650][ T5525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.790653][ T5525] ? preempt_count_add+0x8d/0x190
[ 255.795661][ T5525] ? sb_set_blocksize+0xa5/0xe0
[ 255.800490][ T5525] get_tree_bdev+0x3f1/0x610
[ 255.805061][ T5525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.810079][ T5525] gfs2_get_tree+0x4d/0x1e0
[ 255.814561][ T5525] vfs_get_tree+0x88/0x270
[ 255.818951][ T5525] do_new_mount+0x24a/0xa40
[ 255.823438][ T5525] __se_sys_mount+0x2d6/0x3c0
[ 255.828113][ T5525] ? __x64_sys_mount+0xc0/0xc0
[ 255.832918][ T5525] ? lockdep_hardirqs_on+0x94/0x140
[ 255.838110][ T5525] ? __x64_sys_mount+0x1c/0xc0
[ 255.842856][ T5525] do_syscall_64+0x4c/0xa0
[ 255.847259][ T5525] ? clear_bhb_loop+0x30/0x80
[ 255.851922][ T5525] ? clear_bhb_loop+0x30/0x80
[ 255.856581][ T5525] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.862453][ T5525] RIP: 0033:0x7f82a55c538a
[ 255.866950][ T5525] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 255.886622][ T5525] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.895054][ T5525] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 255.903024][ T5525] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 255.910980][ T5525] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 255.918942][ T5525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.926890][ T5525] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.934859][ T5525]
[ 255.939525][ T5525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.953129][ T5525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.289111][ T5527] loop1: detected capacity change from 0 to 32768
[ 256.340828][ T5527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.348230][ T5527] CPU: 1 PID: 5527 Comm: syz.1.223 Not tainted syzkaller #0
[ 256.356059][ T5527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 256.366989][ T5527] Call Trace:
[ 256.370276][ T5527]
[ 256.373227][ T5527] dump_stack_lvl+0x168/0x230
[ 256.377932][ T5527] ? show_regs_print_info+0x20/0x20
[ 256.383142][ T5527] ? load_image+0x3b0/0x3b0
[ 256.387688][ T5527] sysfs_create_dir_ns+0x252/0x280
[ 256.392903][ T5527] ? __lock_acquire+0x7c60/0x7c60
[ 256.397947][ T5527] ? sysfs_warn_dup+0xa0/0xa0
[ 256.402652][ T5527] ? do_raw_spin_unlock+0x11d/0x230
[ 256.407873][ T5527] kobject_add_internal+0x662/0xd00
[ 256.413090][ T5527] kobject_init_and_add+0x122/0x190
[ 256.418295][ T5527] ? lockdep_softirqs_off+0x420/0x420
[ 256.423679][ T5527] ? kobject_add+0x210/0x210
[ 256.428291][ T5527] ? __init_swait_queue_head+0xa5/0x150
[ 256.433853][ T5527] gfs2_sys_fs_add+0x234/0x480
[ 256.438601][ T5527] ? gfs2_recover_set+0x240/0x240
[ 256.443604][ T5527] ? snprintf+0xd7/0x120
[ 256.447846][ T5527] ? __free_pages+0x95/0x1a0
[ 256.452426][ T5527] ? vscnprintf+0x80/0x80
[ 256.456861][ T5527] gfs2_fill_super+0x128d/0x1f50
[ 256.461811][ T5527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.466828][ T5527] ? preempt_count_add+0x8d/0x190
[ 256.471994][ T5527] ? sb_set_blocksize+0xa5/0xe0
[ 256.476924][ T5527] get_tree_bdev+0x3f1/0x610
[ 256.481521][ T5527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.486529][ T5527] gfs2_get_tree+0x4d/0x1e0
[ 256.491018][ T5527] vfs_get_tree+0x88/0x270
[ 256.495429][ T5527] do_new_mount+0x24a/0xa40
[ 256.499915][ T5527] __se_sys_mount+0x2d6/0x3c0
[ 256.504575][ T5527] ? __x64_sys_mount+0xc0/0xc0
[ 256.509320][ T5527] ? lockdep_hardirqs_on+0x94/0x140
[ 256.514492][ T5527] ? __x64_sys_mount+0x1c/0xc0
[ 256.519235][ T5527] do_syscall_64+0x4c/0xa0
[ 256.523734][ T5527] ? clear_bhb_loop+0x30/0x80
[ 256.528387][ T5527] ? clear_bhb_loop+0x30/0x80
[ 256.533043][ T5527] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.538914][ T5527] RIP: 0033:0x7f82a55c538a
[ 256.543309][ T5527] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 256.563118][ T5527] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.571527][ T5527] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 256.579511][ T5527] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 256.587481][ T5527] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 256.595544][ T5527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.603498][ T5527] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.611458][ T5527]
[ 256.618134][ T5527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.633653][ T5527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.938043][ T5529] loop1: detected capacity change from 0 to 32768
[ 256.982611][ T5529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.990163][ T5529] CPU: 0 PID: 5529 Comm: syz.1.224 Not tainted syzkaller #0
[ 256.997454][ T5529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 257.007531][ T5529] Call Trace:
[ 257.010826][ T5529]
[ 257.013814][ T5529] dump_stack_lvl+0x168/0x230
[ 257.018509][ T5529] ? show_regs_print_info+0x20/0x20
[ 257.023717][ T5529] ? load_image+0x3b0/0x3b0
[ 257.028246][ T5529] sysfs_create_dir_ns+0x252/0x280
[ 257.033371][ T5529] ? __lock_acquire+0x7c60/0x7c60
[ 257.038406][ T5529] ? sysfs_warn_dup+0xa0/0xa0
[ 257.043097][ T5529] ? do_raw_spin_unlock+0x11d/0x230
[ 257.048305][ T5529] kobject_add_internal+0x662/0xd00
[ 257.053561][ T5529] kobject_init_and_add+0x122/0x190
[ 257.058765][ T5529] ? lockdep_softirqs_off+0x420/0x420
[ 257.064144][ T5529] ? kobject_add+0x210/0x210
[ 257.068747][ T5529] ? __init_swait_queue_head+0xa5/0x150
[ 257.074307][ T5529] gfs2_sys_fs_add+0x234/0x480
[ 257.079316][ T5529] ? gfs2_recover_set+0x240/0x240
[ 257.084321][ T5529] ? snprintf+0xd7/0x120
[ 257.088631][ T5529] ? __free_pages+0x95/0x1a0
[ 257.093203][ T5529] ? vscnprintf+0x80/0x80
[ 257.097531][ T5529] gfs2_fill_super+0x128d/0x1f50
[ 257.102453][ T5529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.107461][ T5529] ? preempt_count_add+0x8d/0x190
[ 257.112472][ T5529] ? sb_set_blocksize+0xa5/0xe0
[ 257.117305][ T5529] get_tree_bdev+0x3f1/0x610
[ 257.121889][ T5529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.126909][ T5529] gfs2_get_tree+0x4d/0x1e0
[ 257.131397][ T5529] vfs_get_tree+0x88/0x270
[ 257.135805][ T5529] do_new_mount+0x24a/0xa40
[ 257.140300][ T5529] __se_sys_mount+0x2d6/0x3c0
[ 257.144974][ T5529] ? __x64_sys_mount+0xc0/0xc0
[ 257.149717][ T5529] ? lockdep_hardirqs_on+0x94/0x140
[ 257.154895][ T5529] ? __x64_sys_mount+0x1c/0xc0
[ 257.159638][ T5529] do_syscall_64+0x4c/0xa0
[ 257.164034][ T5529] ? clear_bhb_loop+0x30/0x80
[ 257.168699][ T5529] ? clear_bhb_loop+0x30/0x80
[ 257.173365][ T5529] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.179259][ T5529] RIP: 0033:0x7f82a55c538a
[ 257.183655][ T5529] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 257.203241][ T5529] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.211688][ T5529] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 257.219638][ T5529] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 257.227607][ T5529] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 257.235557][ T5529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.243514][ T5529] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.251497][ T5529]
[ 257.254915][ T5529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.268075][ T5529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.581586][ T5531] loop1: detected capacity change from 0 to 32768
[ 257.650638][ T5531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.658044][ T5531] CPU: 0 PID: 5531 Comm: syz.1.225 Not tainted syzkaller #0
[ 257.665337][ T5531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 257.675399][ T5531] Call Trace:
[ 257.678697][ T5531]
[ 257.681634][ T5531] dump_stack_lvl+0x168/0x230
[ 257.686323][ T5531] ? show_regs_print_info+0x20/0x20
[ 257.691604][ T5531] ? load_image+0x3b0/0x3b0
[ 257.696131][ T5531] sysfs_create_dir_ns+0x252/0x280
[ 257.701254][ T5531] ? __lock_acquire+0x7c60/0x7c60
[ 257.706292][ T5531] ? sysfs_warn_dup+0xa0/0xa0
[ 257.710985][ T5531] ? do_raw_spin_unlock+0x11d/0x230
[ 257.716195][ T5531] kobject_add_internal+0x662/0xd00
[ 257.721425][ T5531] kobject_init_and_add+0x122/0x190
[ 257.726633][ T5531] ? lockdep_softirqs_off+0x420/0x420
[ 257.731999][ T5531] ? kobject_add+0x210/0x210
[ 257.736580][ T5531] ? __init_swait_queue_head+0xa5/0x150
[ 257.742110][ T5531] gfs2_sys_fs_add+0x234/0x480
[ 257.747028][ T5531] ? gfs2_recover_set+0x240/0x240
[ 257.752032][ T5531] ? snprintf+0xd7/0x120
[ 257.756254][ T5531] ? __free_pages+0x95/0x1a0
[ 257.760934][ T5531] ? vscnprintf+0x80/0x80
[ 257.765266][ T5531] gfs2_fill_super+0x128d/0x1f50
[ 257.770192][ T5531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.775203][ T5531] ? preempt_count_add+0x8d/0x190
[ 257.780226][ T5531] ? sb_set_blocksize+0xa5/0xe0
[ 257.785170][ T5531] get_tree_bdev+0x3f1/0x610
[ 257.789759][ T5531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.794782][ T5531] gfs2_get_tree+0x4d/0x1e0
[ 257.799268][ T5531] vfs_get_tree+0x88/0x270
[ 257.803667][ T5531] do_new_mount+0x24a/0xa40
[ 257.808240][ T5531] __se_sys_mount+0x2d6/0x3c0
[ 257.812927][ T5531] ? __x64_sys_mount+0xc0/0xc0
[ 257.817681][ T5531] ? lockdep_hardirqs_on+0x94/0x140
[ 257.822856][ T5531] ? __x64_sys_mount+0x1c/0xc0
[ 257.827601][ T5531] do_syscall_64+0x4c/0xa0
[ 257.832008][ T5531] ? clear_bhb_loop+0x30/0x80
[ 257.836662][ T5531] ? clear_bhb_loop+0x30/0x80
[ 257.841314][ T5531] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.847196][ T5531] RIP: 0033:0x7f82a55c538a
[ 257.851592][ T5531] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 257.871180][ T5531] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.879766][ T5531] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 257.887718][ T5531] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 257.895674][ T5531] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 257.903637][ T5531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.911777][ T5531] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.919775][ T5531]
[ 257.930904][ T5531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.944181][ T5531] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/12 07:30:15 executed programs: 211
[ 258.275242][ T5533] loop1: detected capacity change from 0 to 32768
[ 258.335140][ T5533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.342628][ T5533] CPU: 0 PID: 5533 Comm: syz.1.226 Not tainted syzkaller #0
[ 258.349938][ T5533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 258.360006][ T5533] Call Trace:
[ 258.363468][ T5533]
[ 258.366414][ T5533] dump_stack_lvl+0x168/0x230
[ 258.371104][ T5533] ? show_regs_print_info+0x20/0x20
[ 258.376361][ T5533] ? load_image+0x3b0/0x3b0
[ 258.380890][ T5533] sysfs_create_dir_ns+0x252/0x280
[ 258.386022][ T5533] ? __lock_acquire+0x7c60/0x7c60
[ 258.391068][ T5533] ? sysfs_warn_dup+0xa0/0xa0
[ 258.395769][ T5533] ? do_raw_spin_unlock+0x11d/0x230
[ 258.400987][ T5533] kobject_add_internal+0x662/0xd00
[ 258.406207][ T5533] kobject_init_and_add+0x122/0x190
[ 258.411421][ T5533] ? lockdep_softirqs_off+0x420/0x420
[ 258.416803][ T5533] ? kobject_add+0x210/0x210
[ 258.421395][ T5533] ? __init_swait_queue_head+0xa5/0x150
[ 258.426948][ T5533] gfs2_sys_fs_add+0x234/0x480
[ 258.431865][ T5533] ? gfs2_recover_set+0x240/0x240
[ 258.436911][ T5533] ? snprintf+0xd7/0x120
[ 258.441232][ T5533] ? __free_pages+0x95/0x1a0
[ 258.445810][ T5533] ? vscnprintf+0x80/0x80
[ 258.450161][ T5533] gfs2_fill_super+0x128d/0x1f50
[ 258.455398][ T5533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.460431][ T5533] ? preempt_count_add+0x8d/0x190
[ 258.465465][ T5533] ? sb_set_blocksize+0xa5/0xe0
[ 258.470346][ T5533] get_tree_bdev+0x3f1/0x610
[ 258.474966][ T5533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.480003][ T5533] gfs2_get_tree+0x4d/0x1e0
[ 258.484511][ T5533] vfs_get_tree+0x88/0x270
[ 258.488924][ T5533] do_new_mount+0x24a/0xa40
[ 258.493442][ T5533] __se_sys_mount+0x2d6/0x3c0
[ 258.498155][ T5533] ? __x64_sys_mount+0xc0/0xc0
[ 258.503161][ T5533] ? lockdep_hardirqs_on+0x94/0x140
[ 258.508348][ T5533] ? __x64_sys_mount+0x1c/0xc0
[ 258.513190][ T5533] do_syscall_64+0x4c/0xa0
[ 258.517609][ T5533] ? clear_bhb_loop+0x30/0x80
[ 258.522272][ T5533] ? clear_bhb_loop+0x30/0x80
[ 258.526960][ T5533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.532867][ T5533] RIP: 0033:0x7f82a55c538a
[ 258.537285][ T5533] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 258.556880][ T5533] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.565311][ T5533] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 258.573278][ T5533] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 258.581259][ T5533] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 258.589579][ T5533] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.597562][ T5533] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 258.606058][ T5533]
[ 258.609754][ T5533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.622956][ T5533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.925281][ T5535] loop1: detected capacity change from 0 to 32768
[ 258.980234][ T5535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.987851][ T5535] CPU: 0 PID: 5535 Comm: syz.1.227 Not tainted syzkaller #0
[ 258.995147][ T5535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 259.005220][ T5535] Call Trace:
[ 259.008512][ T5535]
[ 259.011451][ T5535] dump_stack_lvl+0x168/0x230
[ 259.016146][ T5535] ? show_regs_print_info+0x20/0x20
[ 259.021362][ T5535] ? load_image+0x3b0/0x3b0
[ 259.025887][ T5535] sysfs_create_dir_ns+0x252/0x280
[ 259.031013][ T5535] ? __lock_acquire+0x7c60/0x7c60
[ 259.036491][ T5535] ? sysfs_warn_dup+0xa0/0xa0
[ 259.041180][ T5535] ? do_raw_spin_unlock+0x11d/0x230
[ 259.046386][ T5535] kobject_add_internal+0x662/0xd00
[ 259.051597][ T5535] kobject_init_and_add+0x122/0x190
[ 259.056942][ T5535] ? lockdep_softirqs_off+0x420/0x420
[ 259.062343][ T5535] ? kobject_add+0x210/0x210
[ 259.066924][ T5535] ? __init_swait_queue_head+0xa5/0x150
[ 259.072551][ T5535] gfs2_sys_fs_add+0x234/0x480
[ 259.077306][ T5535] ? gfs2_recover_set+0x240/0x240
[ 259.082311][ T5535] ? snprintf+0xd7/0x120
[ 259.086570][ T5535] ? __free_pages+0x95/0x1a0
[ 259.091151][ T5535] ? vscnprintf+0x80/0x80
[ 259.095505][ T5535] gfs2_fill_super+0x128d/0x1f50
[ 259.100454][ T5535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.105469][ T5535] ? preempt_count_add+0x8d/0x190
[ 259.110479][ T5535] ? sb_set_blocksize+0xa5/0xe0
[ 259.115312][ T5535] get_tree_bdev+0x3f1/0x610
[ 259.119916][ T5535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.124927][ T5535] gfs2_get_tree+0x4d/0x1e0
[ 259.129413][ T5535] vfs_get_tree+0x88/0x270
[ 259.133808][ T5535] do_new_mount+0x24a/0xa40
[ 259.138291][ T5535] __se_sys_mount+0x2d6/0x3c0
[ 259.142950][ T5535] ? __x64_sys_mount+0xc0/0xc0
[ 259.147697][ T5535] ? lockdep_hardirqs_on+0x94/0x140
[ 259.152877][ T5535] ? __x64_sys_mount+0x1c/0xc0
[ 259.157624][ T5535] do_syscall_64+0x4c/0xa0
[ 259.162019][ T5535] ? clear_bhb_loop+0x30/0x80
[ 259.166671][ T5535] ? clear_bhb_loop+0x30/0x80
[ 259.171326][ T5535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.177203][ T5535] RIP: 0033:0x7f82a55c538a
[ 259.181597][ T5535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 259.201363][ T5535] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.209774][ T5535] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 259.217768][ T5535] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 259.225844][ T5535] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 259.233806][ T5535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.242029][ T5535] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.250112][ T5535]
[ 259.253645][ T5535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.266800][ T5535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.569953][ T5537] loop1: detected capacity change from 0 to 32768
[ 259.615483][ T5537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.626402][ T5537] CPU: 1 PID: 5537 Comm: syz.1.228 Not tainted syzkaller #0
[ 259.633718][ T5537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 259.643797][ T5537] Call Trace:
[ 259.647088][ T5537]
[ 259.650031][ T5537] dump_stack_lvl+0x168/0x230
[ 259.654722][ T5537] ? show_regs_print_info+0x20/0x20
[ 259.659933][ T5537] ? load_image+0x3b0/0x3b0
[ 259.664460][ T5537] sysfs_create_dir_ns+0x252/0x280
[ 259.669582][ T5537] ? __lock_acquire+0x7c60/0x7c60
[ 259.674652][ T5537] ? sysfs_warn_dup+0xa0/0xa0
[ 259.679341][ T5537] ? do_raw_spin_unlock+0x11d/0x230
[ 259.684543][ T5537] kobject_add_internal+0x662/0xd00
[ 259.689757][ T5537] kobject_init_and_add+0x122/0x190
[ 259.694962][ T5537] ? lockdep_softirqs_off+0x420/0x420
[ 259.700338][ T5537] ? kobject_add+0x210/0x210
[ 259.704916][ T5537] ? __init_swait_queue_head+0xa5/0x150
[ 259.710442][ T5537] gfs2_sys_fs_add+0x234/0x480
[ 259.715185][ T5537] ? gfs2_recover_set+0x240/0x240
[ 259.720187][ T5537] ? snprintf+0xd7/0x120
[ 259.724408][ T5537] ? __free_pages+0x95/0x1a0
[ 259.728976][ T5537] ? vscnprintf+0x80/0x80
[ 259.733329][ T5537] gfs2_fill_super+0x128d/0x1f50
[ 259.738258][ T5537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.743259][ T5537] ? preempt_count_add+0x8d/0x190
[ 259.748267][ T5537] ? sb_set_blocksize+0xa5/0xe0
[ 259.753097][ T5537] get_tree_bdev+0x3f1/0x610
[ 259.757667][ T5537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.762775][ T5537] gfs2_get_tree+0x4d/0x1e0
[ 259.767357][ T5537] vfs_get_tree+0x88/0x270
[ 259.771759][ T5537] do_new_mount+0x24a/0xa40
[ 259.776243][ T5537] __se_sys_mount+0x2d6/0x3c0
[ 259.780907][ T5537] ? __x64_sys_mount+0xc0/0xc0
[ 259.785672][ T5537] ? lockdep_hardirqs_on+0x94/0x140
[ 259.790850][ T5537] ? __x64_sys_mount+0x1c/0xc0
[ 259.795597][ T5537] do_syscall_64+0x4c/0xa0
[ 259.800017][ T5537] ? clear_bhb_loop+0x30/0x80
[ 259.804706][ T5537] ? clear_bhb_loop+0x30/0x80
[ 259.809372][ T5537] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.815245][ T5537] RIP: 0033:0x7f82a55c538a
[ 259.819655][ T5537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 259.839241][ T5537] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.847728][ T5537] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 259.855691][ T5537] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 259.863732][ T5537] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 259.871687][ T5537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.879636][ T5537] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.887601][ T5537]
[ 259.892644][ T5537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.905810][ T5537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.080366][ T27] INFO: task syz.0.17:5081 blocked for more than 143 seconds.
[ 260.088148][ T27] Not tainted syzkaller #0
[ 260.097127][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 260.106138][ T27] task:syz.0.17 state:D stack:23392 pid: 5081 ppid: 4813 flags:0x00004004
[ 260.118713][ T27] Call Trace:
[ 260.122195][ T27]
[ 260.125129][ T27] __schedule+0x11bb/0x4390
[ 260.129744][ T27] ? mark_lock+0x94/0x320
[ 260.136404][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 260.143056][ T27] ? lock_chain_count+0x20/0x20
[ 260.147921][ T27] ? release_firmware_map_entry+0x190/0x190
[ 260.156287][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 260.161883][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 260.167967][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 260.175552][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 260.181757][ T27] schedule+0x11b/0x1e0
[ 260.185931][ T27] bit_wait+0xd/0xc0
[ 260.189839][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 260.197776][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 260.204124][ T27] ? __wait_on_bit+0x170/0x170
[ 260.209067][ T27] ? bit_waitqueue+0x30/0x30
[ 260.215961][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 260.222035][ T27] gfs2_statfs_init+0xf9/0x490
[ 260.226823][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 260.234446][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 260.239840][ T27] ? init_per_node+0x2be/0x3d0
[ 260.245275][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 260.250596][ T27] ? init_inodes+0x26a/0x320
[ 260.255295][ T27] gfs2_fill_super+0x1749/0x1f50
[ 260.260513][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.265643][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 260.270989][ T27] ? preempt_count_add+0x8d/0x190
[ 260.276135][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 260.281324][ T27] get_tree_bdev+0x3f1/0x610
[ 260.286103][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.291540][ T27] gfs2_get_tree+0x4d/0x1e0
[ 260.296064][ T27] vfs_get_tree+0x88/0x270
[ 260.298578][ T5539] loop1: detected capacity change from 0 to 32768
[ 260.300818][ T27] do_new_mount+0x24a/0xa40
[ 260.314876][ T27] __se_sys_mount+0x2d6/0x3c0
[ 260.321161][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 260.325957][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 260.331408][ T5539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.338780][ T5539] CPU: 0 PID: 5539 Comm: syz.1.229 Not tainted syzkaller #0
[ 260.346064][ T5539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 260.356295][ T5539] Call Trace:
[ 260.359578][ T5539]
[ 260.362510][ T5539] dump_stack_lvl+0x168/0x230
[ 260.364773][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 260.367193][ T5539] ? show_regs_print_info+0x20/0x20
[ 260.374873][ T27] do_syscall_64+0x4c/0xa0
[ 260.377140][ T5539] ? load_image+0x3b0/0x3b0
[ 260.381967][ T27] ? clear_bhb_loop+0x30/0x80
[ 260.386166][ T5539] sysfs_create_dir_ns+0x252/0x280
[ 260.386192][ T5539] ? __lock_acquire+0x7c60/0x7c60
[ 260.393187][ T27] ? clear_bhb_loop+0x30/0x80
[ 260.395933][ T5539] ? sysfs_warn_dup+0xa0/0xa0
[ 260.401334][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.405640][ T5539] ? do_raw_spin_unlock+0x11d/0x230
[ 260.412576][ T27] RIP: 0033:0x7f4131b0838a
[ 260.416169][ T5539] kobject_add_internal+0x662/0xd00
[ 260.421620][ T27] RSP: 002b:00007f4131175e68 EFLAGS: 00000246
[ 260.425743][ T5539] kobject_init_and_add+0x122/0x190
[ 260.425764][ T5539] ? lockdep_softirqs_off+0x420/0x420
[ 260.433296][ T27] ORIG_RAX: 00000000000000a5
[ 260.436981][ T5539] ? kobject_add+0x210/0x210
[ 260.443505][ T27] RAX: ffffffffffffffda RBX: 00007f4131175ef0 RCX: 00007f4131b0838a
[ 260.447515][ T5539] ? __init_swait_queue_head+0xa5/0x150
[ 260.454945][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f4131175eb0
[ 260.456760][ T5539] gfs2_sys_fs_add+0x234/0x480
[ 260.465162][ T27] RBP: 0000200000000400 R08: 00007f4131175ef0 R09: 0000000000000000
[ 260.470252][ T5539] ? gfs2_recover_set+0x240/0x240
[ 260.470276][ T5539] ? snprintf+0xd7/0x120
[ 260.470293][ T5539] ? __free_pages+0x95/0x1a0
[ 260.470313][ T5539] ? vscnprintf+0x80/0x80
[ 260.470340][ T5539] gfs2_fill_super+0x128d/0x1f50
[ 260.470371][ T5539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.480984][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.483088][ T5539] ? preempt_count_add+0x8d/0x190
[ 260.492525][ T27] R13: 00007f4131175eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 260.496157][ T5539] ? sb_set_blocksize+0xa5/0xe0
[ 260.501687][ T27]
[ 260.504936][ T5539] get_tree_bdev+0x3f1/0x610
[ 260.509309][ T27]
[ 260.509309][ T27] Showing all locks held in the system:
[ 260.514155][ T5539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.514179][ T5539] gfs2_get_tree+0x4d/0x1e0
[ 260.514198][ T5539] vfs_get_tree+0x88/0x270
[ 260.514216][ T5539] do_new_mount+0x24a/0xa40
[ 260.514239][ T5539] __se_sys_mount+0x2d6/0x3c0
[ 260.514259][ T5539] ? __x64_sys_mount+0xc0/0xc0
[ 260.522396][ T27] 1 lock held by khungtaskd/27:
[ 260.527231][ T5539] ? lockdep_hardirqs_on+0x94/0x140
[ 260.532565][ T27] #0:
[ 260.540188][ T5539] ? __x64_sys_mount+0x1c/0xc0
[ 260.540213][ T5539] do_syscall_64+0x4c/0xa0
[ 260.540228][ T5539] ? clear_bhb_loop+0x30/0x80
[ 260.540243][ T5539] ? clear_bhb_loop+0x30/0x80
[ 260.540258][ T5539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.540275][ T5539] RIP: 0033:0x7f82a55c538a
[ 260.540292][ T5539] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 260.547759][ T27] ffffffff8c11c660
[ 260.548250][ T5539] RSP: 002b:00007f82a4c32e68 EFLAGS: 00000246
[ 260.554529][ T27] (
[ 260.560537][ T5539] ORIG_RAX: 00000000000000a5
[ 260.560548][ T5539] RAX: ffffffffffffffda RBX: 00007f82a4c32ef0 RCX: 00007f82a55c538a
[ 260.560560][ T5539] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82a4c32eb0
[ 260.560571][ T5539] RBP: 0000200000000400 R08: 00007f82a4c32ef0 R09: 0000000000000000
[ 260.560582][ T5539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.560593][ T5539] R13: 00007f82a4c32eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 260.560624][ T5539]
[ 260.561605][ T5539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.582285][ T27] rcu_read_lock
[ 260.584236][ T5539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.588572][ T27] ){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 260.744095][ T27] 2 locks held by getty/3957:
[ 260.752917][ T27] #0: ffff88814cffd098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 260.763927][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 260.776210][ T27] 2 locks held by kworker/0:23/4277:
[ 260.781577][ T27] 1 lock held by syz.0.17/5081:
[ 260.786421][ T27] #0: ffff8880242920e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 260.798837][ T27] 2 locks held by udevd/5088:
[ 260.803585][ T27] #0: ffff88801fff7118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 260.815069][ T27] #1: ffff888020142468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[ 260.824424][ T27] 2 locks held by syz.1.230/5541:
[ 260.829527][ T27]
[ 260.834007][ T27] =============================================
[ 260.834007][ T27]
[ 260.843828][ T27] NMI backtrace for cpu 1
[ 260.848171][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 260.855473][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 260.865538][ T27] Call Trace:
[ 260.868832][ T27]
[ 260.871783][ T27] dump_stack_lvl+0x168/0x230
[ 260.876473][ T27] ? show_regs_print_info+0x20/0x20
[ 260.881682][ T27] ? load_image+0x3b0/0x3b0
[ 260.886191][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 260.891577][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 260.896701][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 260.901640][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 260.907801][ T27] ? _printk+0xcc/0x110
[ 260.912141][ T27] ? load_image+0x3b0/0x3b0
[ 260.917259][ T27] ? load_image+0x3b0/0x3b0
[ 260.921798][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 260.927873][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 260.933865][ T27] watchdog+0xe0f/0xe50
[ 260.938033][ T27] kthread+0x436/0x520
[ 260.942099][ T27] ? hungtask_pm_notify+0x40/0x40
[ 260.947123][ T27] ? kthread_blkcg+0xd0/0xd0
[ 260.951715][ T27] ret_from_fork+0x1f/0x30
[ 260.956147][ T27]
[ 260.959550][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 260.965002][ C0] NMI backtrace for cpu 0
[ 260.965013][ C0] CPU: 0 PID: 5541 Comm: syz.1.230 Not tainted syzkaller #0
[ 260.965028][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 260.965037][ C0] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x40
[ 260.965059][ C0] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 90 90 90 90 90 90 90 0f 01 cb 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 01 ca c3 90 90 90 90 90 90 90 90 90 90 89 d1 83 f8
[ 260.965073][ C0] RSP: 0018:ffffc90004c9f958 EFLAGS: 00050206
[ 260.965086][ C0] RAX: ffffffff83d92301 RBX: 0000000000001000 RCX: 0000000000000960
[ 260.965098][ C0] RDX: 0000000000001000 RSI: 00007f829d3ae6a0 RDI: ffff88805908c6a0
[ 260.965109][ C0] RBP: ffffc90004c9fad0 R08: dffffc0000000000 R09: ffffed100b211a00
[ 260.965121][ C0] R10: 0000000000000000 R11: 0000000000000200 R12: 00007f829d3ae000
[ 260.965131][ C0] R13: 0000000000b9b000 R14: ffff88805908c000 R15: ffffc90004c9fdff
[ 260.965141][ C0] FS: 00007f82a4c336c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 260.965155][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 260.965165][ C0] CR2: 00007f829d812000 CR3: 000000001e1db000 CR4: 00000000003506f0
[ 260.965178][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 260.965187][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 260.965196][ C0] Call Trace:
[ 260.965201][ C0]
[ 260.965206][ C0] copy_page_from_iter_atomic+0x51a/0x1520
[ 260.965232][ C0] ? pipe_zero+0x370/0x370
[ 260.965250][ C0] ? shmem_write_begin+0xcd/0x1a0
[ 260.965269][ C0] generic_perform_write+0x2ff/0x530
[ 260.965290][ C0] ? grab_cache_page_write_begin+0xa0/0xa0
[ 260.965305][ C0] ? file_remove_privs+0x590/0x590
[ 260.965322][ C0] ? read_lock_is_recursive+0x10/0x10
[ 260.965338][ C0] ? preempt_count_add+0x8d/0x190
[ 260.965354][ C0] ? rwsem_write_trylock+0x12f/0x1b0
[ 260.965369][ C0] ? clear_nonspinnable+0x60/0x60
[ 260.965386][ C0] __generic_file_write_iter+0x25f/0x4e0
[ 260.965402][ C0] generic_file_write_iter+0xa6/0x1b0
[ 260.965417][ C0] vfs_write+0x712/0xd00
[ 260.965432][ C0] ? file_end_write+0x250/0x250
[ 260.965448][ C0] ? __fget_files+0x40f/0x480
[ 260.965465][ C0] ? __fdget_pos+0x1e2/0x370
[ 260.965477][ C0] ? ksys_write+0x71/0x250
[ 260.965490][ C0] ksys_write+0x14d/0x250
[ 260.965504][ C0] ? __ia32_sys_read+0x80/0x80
[ 260.965519][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 260.965536][ C0] do_syscall_64+0x4c/0xa0
[ 260.965548][ C0] ? clear_bhb_loop+0x30/0x80
[ 260.965562][ C0] ? clear_bhb_loop+0x30/0x80
[ 260.965576][ C0] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.965591][ C0] RIP: 0033:0x7f82a55c269f
[ 260.965604][ C0] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[ 260.965616][ C0] RSP: 002b:00007f82a4c32df0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 260.965630][ C0] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f82a55c269f
[ 260.965646][ C0] RDX: 0000000001000000 RSI: 00007f829c813000 RDI: 0000000000000003
[ 260.965656][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000125db
[ 260.965665][ C0] R10: 0000000000000002 R11: 0000000000000293 R12: 0000000000000003
[ 260.965674][ C0] R13: 00007f82a4c32ef0 R14: 00007f82a4c32eb0 R15: 00007f829c813000
[ 260.965691][ C0]
[ 261.139568][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 261.139588][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 261.139606][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 261.139616][ T27] Call Trace:
[ 261.139623][ T27]
[ 261.139631][ T27] dump_stack_lvl+0x168/0x230
[ 261.139658][ T27] ? show_regs_print_info+0x20/0x20
[ 261.139677][ T27] ? load_image+0x3b0/0x3b0
[ 261.139704][ T27] panic+0x2c9/0x7f0
[ 261.139721][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 261.139743][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 261.139765][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 261.139789][ T27] watchdog+0xe4e/0xe50
[ 261.139815][ T27] kthread+0x436/0x520
[ 261.139831][ T27] ? hungtask_pm_notify+0x40/0x40
[ 261.139845][ T27] ? kthread_blkcg+0xd0/0xd0
[ 261.139863][ T27] ret_from_fork+0x1f/0x30
[ 261.139892][ T27]
[ 261.140091][ T27] Kernel Offset: disabled
[ 261.435015][ T27] Rebooting in 86400 seconds..