_add+0x210/0x210
[ 219.023845][ T5400] ? __init_swait_queue_head+0xa5/0x150
[ 219.029394][ T5400] gfs2_sys_fs_add+0x234/0x480
[ 219.034231][ T5400] ? gfs2_recover_set+0x240/0x240
[ 219.039235][ T5400] ? snprintf+0xd7/0x120
[ 219.043455][ T5400] ? __free_pages+0x95/0x1a0
[ 219.048121][ T5400] ? vscnprintf+0x80/0x80
[ 219.052433][ T5400] gfs2_fill_super+0x128d/0x1f50
[ 219.057358][ T5400] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.062362][ T5400] ? preempt_count_add+0x8d/0x190
[ 219.067385][ T5400] ? sb_set_blocksize+0xa5/0xe0
[ 219.072223][ T5400] get_tree_bdev+0x3f1/0x610
[ 219.076793][ T5400] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.081796][ T5400] gfs2_get_tree+0x4d/0x1e0
[ 219.086298][ T5400] vfs_get_tree+0x88/0x270
[ 219.090704][ T5400] do_new_mount+0x24a/0xa40
[ 219.095231][ T5400] __se_sys_mount+0x2d6/0x3c0
[ 219.099892][ T5400] ? __x64_sys_mount+0xc0/0xc0
[ 219.104646][ T5400] ? lockdep_hardirqs_on+0x94/0x140
[ 219.109820][ T5400] ? __x64_sys_mount+0x1c/0xc0
[ 219.114658][ T5400] do_syscall_64+0x4c/0xa0
[ 219.119159][ T5400] ? clear_bhb_loop+0x30/0x80
[ 219.123830][ T5400] ? clear_bhb_loop+0x30/0x80
[ 219.128493][ T5400] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.134370][ T5400] RIP: 0033:0x7f0e7852e38a
[ 219.138764][ T5400] 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
[ 219.158354][ T5400] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.166753][ T5400] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 219.174706][ T5400] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 219.182756][ T5400] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 219.190714][ T5400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 219.198681][ T5400] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 219.206642][ T5400]
[ 219.214822][ T5400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.228103][ T5400] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 219.539600][ T5403] loop1: detected capacity change from 0 to 32768
[ 219.617011][ T5403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.624448][ T5403] CPU: 1 PID: 5403 Comm: syz.1.171 Not tainted syzkaller #0
[ 219.631747][ T5403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 219.641807][ T5403] Call Trace:
[ 219.645181][ T5403]
[ 219.648128][ T5403] dump_stack_lvl+0x168/0x230
[ 219.652823][ T5403] ? show_regs_print_info+0x20/0x20
[ 219.658035][ T5403] ? load_image+0x3b0/0x3b0
[ 219.662570][ T5403] sysfs_create_dir_ns+0x252/0x280
[ 219.667686][ T5403] ? __lock_acquire+0x7c60/0x7c60
[ 219.672721][ T5403] ? sysfs_warn_dup+0xa0/0xa0
[ 219.677499][ T5403] ? do_raw_spin_unlock+0x11d/0x230
[ 219.682718][ T5403] kobject_add_internal+0x662/0xd00
[ 219.687931][ T5403] kobject_init_and_add+0x122/0x190
[ 219.693231][ T5403] ? lockdep_softirqs_off+0x420/0x420
[ 219.698610][ T5403] ? kobject_add+0x210/0x210
[ 219.703197][ T5403] ? __init_swait_queue_head+0xa5/0x150
[ 219.708742][ T5403] gfs2_sys_fs_add+0x234/0x480
[ 219.713629][ T5403] ? gfs2_recover_set+0x240/0x240
[ 219.718636][ T5403] ? snprintf+0xd7/0x120
[ 219.722860][ T5403] ? __free_pages+0x95/0x1a0
[ 219.727517][ T5403] ? vscnprintf+0x80/0x80
[ 219.731834][ T5403] gfs2_fill_super+0x128d/0x1f50
[ 219.736760][ T5403] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.741778][ T5403] ? preempt_count_add+0x8d/0x190
[ 219.746801][ T5403] ? sb_set_blocksize+0xa5/0xe0
[ 219.751648][ T5403] get_tree_bdev+0x3f1/0x610
[ 219.756225][ T5403] ? gfs2_reconfigure+0xcd0/0xcd0
[ 219.761226][ T5403] gfs2_get_tree+0x4d/0x1e0
[ 219.765704][ T5403] vfs_get_tree+0x88/0x270
[ 219.770101][ T5403] do_new_mount+0x24a/0xa40
[ 219.774593][ T5403] __se_sys_mount+0x2d6/0x3c0
[ 219.779370][ T5403] ? __x64_sys_mount+0xc0/0xc0
[ 219.784115][ T5403] ? lockdep_hardirqs_on+0x94/0x140
[ 219.789301][ T5403] ? __x64_sys_mount+0x1c/0xc0
[ 219.794054][ T5403] do_syscall_64+0x4c/0xa0
[ 219.798465][ T5403] ? clear_bhb_loop+0x30/0x80
[ 219.803129][ T5403] ? clear_bhb_loop+0x30/0x80
[ 219.807879][ T5403] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.813841][ T5403] RIP: 0033:0x7f0e7852e38a
[ 219.818235][ T5403] 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
[ 219.837821][ T5403] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.846219][ T5403] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 219.854184][ T5403] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 219.862132][ T5403] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 219.870083][ T5403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 219.878039][ T5403] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 219.886008][ T5403]
[ 219.896510][ T5403] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.910889][ T5403] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.233643][ T5405] loop1: detected capacity change from 0 to 32768
[ 220.275230][ T5405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.283302][ T5405] CPU: 1 PID: 5405 Comm: syz.1.172 Not tainted syzkaller #0
[ 220.290617][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 220.300675][ T5405] Call Trace:
[ 220.303953][ T5405]
[ 220.306890][ T5405] dump_stack_lvl+0x168/0x230
[ 220.311580][ T5405] ? show_regs_print_info+0x20/0x20
[ 220.316792][ T5405] ? load_image+0x3b0/0x3b0
[ 220.321313][ T5405] sysfs_create_dir_ns+0x252/0x280
[ 220.326437][ T5405] ? __lock_acquire+0x7c60/0x7c60
[ 220.331467][ T5405] ? sysfs_warn_dup+0xa0/0xa0
[ 220.336153][ T5405] ? do_raw_spin_unlock+0x11d/0x230
[ 220.341361][ T5405] kobject_add_internal+0x662/0xd00
[ 220.346564][ T5405] kobject_init_and_add+0x122/0x190
[ 220.351762][ T5405] ? lockdep_softirqs_off+0x420/0x420
[ 220.357120][ T5405] ? kobject_add+0x210/0x210
[ 220.361690][ T5405] ? __init_swait_queue_head+0xa5/0x150
[ 220.367214][ T5405] gfs2_sys_fs_add+0x234/0x480
[ 220.371957][ T5405] ? gfs2_recover_set+0x240/0x240
[ 220.376966][ T5405] ? snprintf+0xd7/0x120
[ 220.381392][ T5405] ? __free_pages+0x95/0x1a0
[ 220.385969][ T5405] ? vscnprintf+0x80/0x80
[ 220.390286][ T5405] gfs2_fill_super+0x128d/0x1f50
[ 220.395229][ T5405] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.400237][ T5405] ? preempt_count_add+0x8d/0x190
[ 220.405244][ T5405] ? sb_set_blocksize+0xa5/0xe0
[ 220.410076][ T5405] get_tree_bdev+0x3f1/0x610
[ 220.414652][ T5405] ? gfs2_reconfigure+0xcd0/0xcd0
[ 220.419670][ T5405] gfs2_get_tree+0x4d/0x1e0
[ 220.424158][ T5405] vfs_get_tree+0x88/0x270
[ 220.428552][ T5405] do_new_mount+0x24a/0xa40
[ 220.433041][ T5405] __se_sys_mount+0x2d6/0x3c0
[ 220.437709][ T5405] ? __x64_sys_mount+0xc0/0xc0
[ 220.442455][ T5405] ? lockdep_hardirqs_on+0x94/0x140
[ 220.447753][ T5405] ? __x64_sys_mount+0x1c/0xc0
[ 220.452500][ T5405] do_syscall_64+0x4c/0xa0
[ 220.456897][ T5405] ? clear_bhb_loop+0x30/0x80
[ 220.461551][ T5405] ? clear_bhb_loop+0x30/0x80
[ 220.466206][ T5405] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.472076][ T5405] RIP: 0033:0x7f0e7852e38a
[ 220.476480][ T5405] 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
[ 220.496083][ T5405] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.504571][ T5405] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 220.512529][ T5405] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 220.520483][ T5405] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 220.528452][ T5405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.536408][ T5405] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.544371][ T5405]
[ 220.548075][ T5405] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.561414][ T5405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.865143][ T5407] loop1: detected capacity change from 0 to 32768
[ 220.937143][ T5407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.944544][ T5407] CPU: 1 PID: 5407 Comm: syz.1.173 Not tainted syzkaller #0
[ 220.951833][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 220.961897][ T5407] Call Trace:
[ 220.965183][ T5407]
[ 220.968112][ T5407] dump_stack_lvl+0x168/0x230
[ 220.972808][ T5407] ? show_regs_print_info+0x20/0x20
[ 220.978013][ T5407] ? load_image+0x3b0/0x3b0
[ 220.982626][ T5407] sysfs_create_dir_ns+0x252/0x280
[ 220.987742][ T5407] ? __lock_acquire+0x7c60/0x7c60
[ 220.992775][ T5407] ? sysfs_warn_dup+0xa0/0xa0
[ 220.997461][ T5407] ? do_raw_spin_unlock+0x11d/0x230
[ 221.002670][ T5407] kobject_add_internal+0x662/0xd00
[ 221.007882][ T5407] kobject_init_and_add+0x122/0x190
[ 221.013092][ T5407] ? lockdep_softirqs_off+0x420/0x420
[ 221.018451][ T5407] ? kobject_add+0x210/0x210
[ 221.023023][ T5407] ? __init_swait_queue_head+0xa5/0x150
[ 221.028550][ T5407] gfs2_sys_fs_add+0x234/0x480
[ 221.033297][ T5407] ? gfs2_recover_set+0x240/0x240
[ 221.038303][ T5407] ? snprintf+0xd7/0x120
[ 221.042525][ T5407] ? __free_pages+0x95/0x1a0
[ 221.047092][ T5407] ? vscnprintf+0x80/0x80
[ 221.051402][ T5407] gfs2_fill_super+0x128d/0x1f50
[ 221.056322][ T5407] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.061325][ T5407] ? preempt_count_add+0x8d/0x190
[ 221.066340][ T5407] ? sb_set_blocksize+0xa5/0xe0
[ 221.071187][ T5407] get_tree_bdev+0x3f1/0x610
[ 221.075754][ T5407] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.080758][ T5407] gfs2_get_tree+0x4d/0x1e0
[ 221.085253][ T5407] vfs_get_tree+0x88/0x270
[ 221.089668][ T5407] do_new_mount+0x24a/0xa40
[ 221.094166][ T5407] __se_sys_mount+0x2d6/0x3c0
[ 221.098834][ T5407] ? __x64_sys_mount+0xc0/0xc0
[ 221.103582][ T5407] ? lockdep_hardirqs_on+0x94/0x140
[ 221.108757][ T5407] ? __x64_sys_mount+0x1c/0xc0
[ 221.113766][ T5407] do_syscall_64+0x4c/0xa0
[ 221.118161][ T5407] ? clear_bhb_loop+0x30/0x80
[ 221.122815][ T5407] ? clear_bhb_loop+0x30/0x80
[ 221.127470][ T5407] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.133344][ T5407] RIP: 0033:0x7f0e7852e38a
[ 221.137744][ T5407] 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
[ 221.157333][ T5407] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.165756][ T5407] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 221.173908][ T5407] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 221.181862][ T5407] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 221.189903][ T5407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.197852][ T5407] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.205817][ T5407]
[ 221.209475][ T5407] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.222883][ T5407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.556199][ T5409] loop1: detected capacity change from 0 to 32768
[ 221.614845][ T5409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.622287][ T5409] CPU: 1 PID: 5409 Comm: syz.1.174 Not tainted syzkaller #0
[ 221.629572][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 221.639634][ T5409] Call Trace:
[ 221.642917][ T5409]
[ 221.645860][ T5409] dump_stack_lvl+0x168/0x230
[ 221.650553][ T5409] ? show_regs_print_info+0x20/0x20
[ 221.655760][ T5409] ? load_image+0x3b0/0x3b0
[ 221.660286][ T5409] sysfs_create_dir_ns+0x252/0x280
[ 221.665417][ T5409] ? __lock_acquire+0x7c60/0x7c60
[ 221.670451][ T5409] ? sysfs_warn_dup+0xa0/0xa0
[ 221.675143][ T5409] ? do_raw_spin_unlock+0x11d/0x230
[ 221.680349][ T5409] kobject_add_internal+0x662/0xd00
[ 221.685601][ T5409] kobject_init_and_add+0x122/0x190
[ 221.690799][ T5409] ? lockdep_softirqs_off+0x420/0x420
[ 221.696182][ T5409] ? kobject_add+0x210/0x210
[ 221.700779][ T5409] ? __init_swait_queue_head+0xa5/0x150
[ 221.706335][ T5409] gfs2_sys_fs_add+0x234/0x480
[ 221.711099][ T5409] ? gfs2_recover_set+0x240/0x240
[ 221.716128][ T5409] ? snprintf+0xd7/0x120
[ 221.720452][ T5409] ? __free_pages+0x95/0x1a0
[ 221.725027][ T5409] ? vscnprintf+0x80/0x80
[ 221.729341][ T5409] gfs2_fill_super+0x128d/0x1f50
[ 221.734275][ T5409] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.739283][ T5409] ? preempt_count_add+0x8d/0x190
[ 221.744299][ T5409] ? sb_set_blocksize+0xa5/0xe0
[ 221.749130][ T5409] get_tree_bdev+0x3f1/0x610
[ 221.753705][ T5409] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.758707][ T5409] gfs2_get_tree+0x4d/0x1e0
[ 221.763193][ T5409] vfs_get_tree+0x88/0x270
[ 221.767591][ T5409] do_new_mount+0x24a/0xa40
[ 221.772077][ T5409] __se_sys_mount+0x2d6/0x3c0
[ 221.776748][ T5409] ? __x64_sys_mount+0xc0/0xc0
[ 221.781509][ T5409] ? lockdep_hardirqs_on+0x94/0x140
[ 221.786692][ T5409] ? __x64_sys_mount+0x1c/0xc0
[ 221.791450][ T5409] do_syscall_64+0x4c/0xa0
[ 221.795857][ T5409] ? clear_bhb_loop+0x30/0x80
[ 221.800522][ T5409] ? clear_bhb_loop+0x30/0x80
[ 221.805179][ T5409] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.811050][ T5409] RIP: 0033:0x7f0e7852e38a
[ 221.815452][ T5409] 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
[ 221.835040][ T5409] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.843440][ T5409] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 221.851399][ T5409] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 221.859359][ T5409] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 221.867318][ T5409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.875272][ T5409] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.883232][ T5409]
[ 221.886892][ T5409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.900186][ T5409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.945959][ T4677] Bluetooth: hci0: command 0x0406 tx timeout
[ 222.208491][ T5411] loop1: detected capacity change from 0 to 32768
[ 222.287652][ T5411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.295096][ T5411] CPU: 1 PID: 5411 Comm: syz.1.175 Not tainted syzkaller #0
[ 222.302384][ T5411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 222.312452][ T5411] Call Trace:
[ 222.315746][ T5411]
[ 222.318684][ T5411] dump_stack_lvl+0x168/0x230
[ 222.323472][ T5411] ? show_regs_print_info+0x20/0x20
[ 222.328771][ T5411] ? load_image+0x3b0/0x3b0
[ 222.333296][ T5411] sysfs_create_dir_ns+0x252/0x280
[ 222.338418][ T5411] ? __lock_acquire+0x7c60/0x7c60
[ 222.343453][ T5411] ? sysfs_warn_dup+0xa0/0xa0
[ 222.348136][ T5411] ? do_raw_spin_unlock+0x11d/0x230
[ 222.353321][ T5411] kobject_add_internal+0x662/0xd00
[ 222.358574][ T5411] kobject_init_and_add+0x122/0x190
[ 222.363775][ T5411] ? lockdep_softirqs_off+0x420/0x420
[ 222.369149][ T5411] ? kobject_add+0x210/0x210
[ 222.373726][ T5411] ? __init_swait_queue_head+0xa5/0x150
[ 222.379252][ T5411] gfs2_sys_fs_add+0x234/0x480
[ 222.383996][ T5411] ? gfs2_recover_set+0x240/0x240
[ 222.388999][ T5411] ? snprintf+0xd7/0x120
[ 222.393227][ T5411] ? __free_pages+0x95/0x1a0
[ 222.397798][ T5411] ? vscnprintf+0x80/0x80
[ 222.402111][ T5411] gfs2_fill_super+0x128d/0x1f50
[ 222.407033][ T5411] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.412053][ T5411] ? preempt_count_add+0x8d/0x190
[ 222.417078][ T5411] ? sb_set_blocksize+0xa5/0xe0
[ 222.421912][ T5411] get_tree_bdev+0x3f1/0x610
[ 222.426480][ T5411] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.431482][ T5411] gfs2_get_tree+0x4d/0x1e0
[ 222.435970][ T5411] vfs_get_tree+0x88/0x270
[ 222.440573][ T5411] do_new_mount+0x24a/0xa40
[ 222.445057][ T5411] __se_sys_mount+0x2d6/0x3c0
[ 222.449755][ T5411] ? __x64_sys_mount+0xc0/0xc0
[ 222.454498][ T5411] ? lockdep_hardirqs_on+0x94/0x140
[ 222.459694][ T5411] ? __x64_sys_mount+0x1c/0xc0
[ 222.464439][ T5411] do_syscall_64+0x4c/0xa0
[ 222.468839][ T5411] ? clear_bhb_loop+0x30/0x80
[ 222.473507][ T5411] ? clear_bhb_loop+0x30/0x80
[ 222.478162][ T5411] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.484030][ T5411] RIP: 0033:0x7f0e7852e38a
[ 222.488421][ T5411] 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
[ 222.508013][ T5411] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.516436][ T5411] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 222.524384][ T5411] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 222.532360][ T5411] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 222.540313][ T5411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.548286][ T5411] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.556251][ T5411]
[ 222.559715][ T5411] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.573027][ T5411] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.899185][ T5413] loop1: detected capacity change from 0 to 32768
[ 222.975990][ T5413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.983392][ T5413] CPU: 0 PID: 5413 Comm: syz.1.176 Not tainted syzkaller #0
[ 222.990688][ T5413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 223.000842][ T5413] Call Trace:
[ 223.004129][ T5413]
[ 223.007063][ T5413] dump_stack_lvl+0x168/0x230
[ 223.011754][ T5413] ? show_regs_print_info+0x20/0x20
[ 223.016963][ T5413] ? load_image+0x3b0/0x3b0
[ 223.021492][ T5413] sysfs_create_dir_ns+0x252/0x280
[ 223.026619][ T5413] ? __lock_acquire+0x7c60/0x7c60
[ 223.031651][ T5413] ? sysfs_warn_dup+0xa0/0xa0
[ 223.036328][ T5413] ? do_raw_spin_unlock+0x11d/0x230
[ 223.041548][ T5413] kobject_add_internal+0x662/0xd00
[ 223.046761][ T5413] kobject_init_and_add+0x122/0x190
[ 223.051966][ T5413] ? lockdep_softirqs_off+0x420/0x420
[ 223.057347][ T5413] ? kobject_add+0x210/0x210
[ 223.061936][ T5413] ? __init_swait_queue_head+0xa5/0x150
[ 223.067469][ T5413] gfs2_sys_fs_add+0x234/0x480
[ 223.072211][ T5413] ? gfs2_recover_set+0x240/0x240
[ 223.077218][ T5413] ? snprintf+0xd7/0x120
[ 223.081456][ T5413] ? __free_pages+0x95/0x1a0
[ 223.086115][ T5413] ? vscnprintf+0x80/0x80
[ 223.090431][ T5413] gfs2_fill_super+0x128d/0x1f50
[ 223.095371][ T5413] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.100416][ T5413] ? preempt_count_add+0x8d/0x190
[ 223.105427][ T5413] ? sb_set_blocksize+0xa5/0xe0
[ 223.110268][ T5413] get_tree_bdev+0x3f1/0x610
[ 223.114845][ T5413] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.119854][ T5413] gfs2_get_tree+0x4d/0x1e0
[ 223.124442][ T5413] vfs_get_tree+0x88/0x270
[ 223.128838][ T5413] do_new_mount+0x24a/0xa40
[ 223.133326][ T5413] __se_sys_mount+0x2d6/0x3c0
[ 223.137987][ T5413] ? __x64_sys_mount+0xc0/0xc0
[ 223.142729][ T5413] ? lockdep_hardirqs_on+0x94/0x140
[ 223.147909][ T5413] ? __x64_sys_mount+0x1c/0xc0
[ 223.152649][ T5413] do_syscall_64+0x4c/0xa0
[ 223.157046][ T5413] ? clear_bhb_loop+0x30/0x80
[ 223.161805][ T5413] ? clear_bhb_loop+0x30/0x80
[ 223.166486][ T5413] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.172492][ T5413] RIP: 0033:0x7f0e7852e38a
[ 223.176905][ T5413] 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
[ 223.196597][ T5413] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.205010][ T5413] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 223.212962][ T5413] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 223.220913][ T5413] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 223.228869][ T5413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.236822][ T5413] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.244782][ T5413]
[ 223.249889][ T5413] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.263081][ T5413] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.568391][ T5415] loop1: detected capacity change from 0 to 32768
[ 223.611097][ T5415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.621769][ T5415] CPU: 0 PID: 5415 Comm: syz.1.177 Not tainted syzkaller #0
[ 223.629079][ T5415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 223.639138][ T5415] Call Trace:
[ 223.642421][ T5415]
[ 223.645354][ T5415] dump_stack_lvl+0x168/0x230
[ 223.650041][ T5415] ? show_regs_print_info+0x20/0x20
[ 223.655248][ T5415] ? load_image+0x3b0/0x3b0
[ 223.659782][ T5415] sysfs_create_dir_ns+0x252/0x280
[ 223.664907][ T5415] ? __lock_acquire+0x7c60/0x7c60
[ 223.670196][ T5415] ? sysfs_warn_dup+0xa0/0xa0
[ 223.674893][ T5415] ? do_raw_spin_unlock+0x11d/0x230
[ 223.680190][ T5415] kobject_add_internal+0x662/0xd00
[ 223.685398][ T5415] kobject_init_and_add+0x122/0x190
[ 223.690600][ T5415] ? lockdep_softirqs_off+0x420/0x420
[ 223.696047][ T5415] ? kobject_add+0x210/0x210
[ 223.700623][ T5415] ? __init_swait_queue_head+0xa5/0x150
[ 223.706148][ T5415] gfs2_sys_fs_add+0x234/0x480
[ 223.710892][ T5415] ? gfs2_recover_set+0x240/0x240
[ 223.715890][ T5415] ? snprintf+0xd7/0x120
[ 223.720110][ T5415] ? __free_pages+0x95/0x1a0
[ 223.724675][ T5415] ? vscnprintf+0x80/0x80
[ 223.728985][ T5415] gfs2_fill_super+0x128d/0x1f50
[ 223.733937][ T5415] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.738935][ T5415] ? preempt_count_add+0x8d/0x190
[ 223.743941][ T5415] ? sb_set_blocksize+0xa5/0xe0
[ 223.748767][ T5415] get_tree_bdev+0x3f1/0x610
[ 223.753333][ T5415] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.758332][ T5415] gfs2_get_tree+0x4d/0x1e0
[ 223.762816][ T5415] vfs_get_tree+0x88/0x270
[ 223.767211][ T5415] do_new_mount+0x24a/0xa40
[ 223.771695][ T5415] __se_sys_mount+0x2d6/0x3c0
[ 223.776360][ T5415] ? __x64_sys_mount+0xc0/0xc0
[ 223.781121][ T5415] ? lockdep_hardirqs_on+0x94/0x140
[ 223.786297][ T5415] ? __x64_sys_mount+0x1c/0xc0
[ 223.791037][ T5415] do_syscall_64+0x4c/0xa0
[ 223.795429][ T5415] ? clear_bhb_loop+0x30/0x80
[ 223.800131][ T5415] ? clear_bhb_loop+0x30/0x80
[ 223.804812][ T5415] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.810768][ T5415] RIP: 0033:0x7f0e7852e38a
[ 223.815160][ T5415] 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
[ 223.834861][ T5415] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.843289][ T5415] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 223.851430][ T5415] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 223.859386][ T5415] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 223.867347][ T5415] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.875295][ T5415] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.883431][ T5415]
[ 223.888671][ T5415] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.902197][ T5415] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:12:26 executed programs: 163
[ 224.243694][ T5417] loop1: detected capacity change from 0 to 32768
[ 224.294867][ T5417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.302348][ T5417] CPU: 1 PID: 5417 Comm: syz.1.178 Not tainted syzkaller #0
[ 224.309638][ T5417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 224.319698][ T5417] Call Trace:
[ 224.322981][ T5417]
[ 224.326007][ T5417] dump_stack_lvl+0x168/0x230
[ 224.330711][ T5417] ? show_regs_print_info+0x20/0x20
[ 224.335932][ T5417] ? load_image+0x3b0/0x3b0
[ 224.340457][ T5417] sysfs_create_dir_ns+0x252/0x280
[ 224.345579][ T5417] ? __lock_acquire+0x7c60/0x7c60
[ 224.350611][ T5417] ? sysfs_warn_dup+0xa0/0xa0
[ 224.355306][ T5417] ? do_raw_spin_unlock+0x11d/0x230
[ 224.360511][ T5417] kobject_add_internal+0x662/0xd00
[ 224.365727][ T5417] kobject_init_and_add+0x122/0x190
[ 224.370932][ T5417] ? lockdep_softirqs_off+0x420/0x420
[ 224.376296][ T5417] ? kobject_add+0x210/0x210
[ 224.380866][ T5417] ? __init_swait_queue_head+0xa5/0x150
[ 224.386404][ T5417] gfs2_sys_fs_add+0x234/0x480
[ 224.391153][ T5417] ? gfs2_recover_set+0x240/0x240
[ 224.396159][ T5417] ? snprintf+0xd7/0x120
[ 224.400379][ T5417] ? __free_pages+0x95/0x1a0
[ 224.404949][ T5417] ? vscnprintf+0x80/0x80
[ 224.409263][ T5417] gfs2_fill_super+0x128d/0x1f50
[ 224.414220][ T5417] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.419241][ T5417] ? preempt_count_add+0x8d/0x190
[ 224.424245][ T5417] ? sb_set_blocksize+0xa5/0xe0
[ 224.429073][ T5417] get_tree_bdev+0x3f1/0x610
[ 224.433643][ T5417] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.438651][ T5417] gfs2_get_tree+0x4d/0x1e0
[ 224.443138][ T5417] vfs_get_tree+0x88/0x270
[ 224.447558][ T5417] do_new_mount+0x24a/0xa40
[ 224.452044][ T5417] __se_sys_mount+0x2d6/0x3c0
[ 224.456702][ T5417] ? __x64_sys_mount+0xc0/0xc0
[ 224.461448][ T5417] ? lockdep_hardirqs_on+0x94/0x140
[ 224.466635][ T5417] ? __x64_sys_mount+0x1c/0xc0
[ 224.471378][ T5417] do_syscall_64+0x4c/0xa0
[ 224.475813][ T5417] ? clear_bhb_loop+0x30/0x80
[ 224.480476][ T5417] ? clear_bhb_loop+0x30/0x80
[ 224.485134][ T5417] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.491023][ T5417] RIP: 0033:0x7f0e7852e38a
[ 224.495528][ T5417] 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
[ 224.515204][ T5417] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.523633][ T5417] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 224.531590][ T5417] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 224.539585][ T5417] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 224.547541][ T5417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.555494][ T5417] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.563451][ T5417]
[ 224.566820][ T5417] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.579956][ T5417] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.903320][ T5419] loop1: detected capacity change from 0 to 32768
[ 224.943990][ T5419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.951553][ T5419] CPU: 1 PID: 5419 Comm: syz.1.179 Not tainted syzkaller #0
[ 224.958866][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 224.968929][ T5419] Call Trace:
[ 224.972209][ T5419]
[ 224.975140][ T5419] dump_stack_lvl+0x168/0x230
[ 224.979825][ T5419] ? show_regs_print_info+0x20/0x20
[ 224.985031][ T5419] ? load_image+0x3b0/0x3b0
[ 224.989552][ T5419] sysfs_create_dir_ns+0x252/0x280
[ 224.994680][ T5419] ? __lock_acquire+0x7c60/0x7c60
[ 224.999715][ T5419] ? sysfs_warn_dup+0xa0/0xa0
[ 225.004403][ T5419] ? do_raw_spin_unlock+0x11d/0x230
[ 225.009624][ T5419] kobject_add_internal+0x662/0xd00
[ 225.014922][ T5419] kobject_init_and_add+0x122/0x190
[ 225.020121][ T5419] ? lockdep_softirqs_off+0x420/0x420
[ 225.025502][ T5419] ? kobject_add+0x210/0x210
[ 225.030095][ T5419] ? __init_swait_queue_head+0xa5/0x150
[ 225.035648][ T5419] gfs2_sys_fs_add+0x234/0x480
[ 225.040477][ T5419] ? gfs2_recover_set+0x240/0x240
[ 225.045476][ T5419] ? snprintf+0xd7/0x120
[ 225.049703][ T5419] ? __free_pages+0x95/0x1a0
[ 225.054281][ T5419] ? vscnprintf+0x80/0x80
[ 225.058598][ T5419] gfs2_fill_super+0x128d/0x1f50
[ 225.063523][ T5419] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.068530][ T5419] ? preempt_count_add+0x8d/0x190
[ 225.073545][ T5419] ? sb_set_blocksize+0xa5/0xe0
[ 225.078375][ T5419] get_tree_bdev+0x3f1/0x610
[ 225.082947][ T5419] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.087951][ T5419] gfs2_get_tree+0x4d/0x1e0
[ 225.092455][ T5419] vfs_get_tree+0x88/0x270
[ 225.096852][ T5419] do_new_mount+0x24a/0xa40
[ 225.101336][ T5419] __se_sys_mount+0x2d6/0x3c0
[ 225.106000][ T5419] ? __x64_sys_mount+0xc0/0xc0
[ 225.110762][ T5419] ? lockdep_hardirqs_on+0x94/0x140
[ 225.115941][ T5419] ? __x64_sys_mount+0x1c/0xc0
[ 225.120684][ T5419] do_syscall_64+0x4c/0xa0
[ 225.125087][ T5419] ? clear_bhb_loop+0x30/0x80
[ 225.129765][ T5419] ? clear_bhb_loop+0x30/0x80
[ 225.134429][ T5419] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.140302][ T5419] RIP: 0033:0x7f0e7852e38a
[ 225.144698][ T5419] 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
[ 225.164288][ T5419] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.172706][ T5419] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 225.180665][ T5419] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 225.188624][ T5419] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 225.196592][ T5419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.204547][ T5419] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.212515][ T5419]
[ 225.219253][ T5419] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.233352][ T5419] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.554478][ T5421] loop1: detected capacity change from 0 to 32768
[ 225.606636][ T5421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.614042][ T5421] CPU: 0 PID: 5421 Comm: syz.1.180 Not tainted syzkaller #0
[ 225.621329][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 225.631388][ T5421] Call Trace:
[ 225.634669][ T5421]
[ 225.637603][ T5421] dump_stack_lvl+0x168/0x230
[ 225.642291][ T5421] ? show_regs_print_info+0x20/0x20
[ 225.647493][ T5421] ? load_image+0x3b0/0x3b0
[ 225.652010][ T5421] sysfs_create_dir_ns+0x252/0x280
[ 225.657134][ T5421] ? __lock_acquire+0x7c60/0x7c60
[ 225.662164][ T5421] ? sysfs_warn_dup+0xa0/0xa0
[ 225.666851][ T5421] ? do_raw_spin_unlock+0x11d/0x230
[ 225.672141][ T5421] kobject_add_internal+0x662/0xd00
[ 225.677350][ T5421] kobject_init_and_add+0x122/0x190
[ 225.682558][ T5421] ? lockdep_softirqs_off+0x420/0x420
[ 225.687936][ T5421] ? kobject_add+0x210/0x210
[ 225.692531][ T5421] ? __init_swait_queue_head+0xa5/0x150
[ 225.698069][ T5421] gfs2_sys_fs_add+0x234/0x480
[ 225.702815][ T5421] ? gfs2_recover_set+0x240/0x240
[ 225.707838][ T5421] ? snprintf+0xd7/0x120
[ 225.712077][ T5421] ? __free_pages+0x95/0x1a0
[ 225.716656][ T5421] ? vscnprintf+0x80/0x80
[ 225.720984][ T5421] gfs2_fill_super+0x128d/0x1f50
[ 225.725917][ T5421] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.730936][ T5421] ? preempt_count_add+0x8d/0x190
[ 225.736129][ T5421] ? sb_set_blocksize+0xa5/0xe0
[ 225.740990][ T5421] get_tree_bdev+0x3f1/0x610
[ 225.745562][ T5421] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.750573][ T5421] gfs2_get_tree+0x4d/0x1e0
[ 225.755054][ T5421] vfs_get_tree+0x88/0x270
[ 225.759451][ T5421] do_new_mount+0x24a/0xa40
[ 225.763939][ T5421] __se_sys_mount+0x2d6/0x3c0
[ 225.768598][ T5421] ? __x64_sys_mount+0xc0/0xc0
[ 225.773345][ T5421] ? lockdep_hardirqs_on+0x94/0x140
[ 225.778520][ T5421] ? __x64_sys_mount+0x1c/0xc0
[ 225.783377][ T5421] do_syscall_64+0x4c/0xa0
[ 225.787781][ T5421] ? clear_bhb_loop+0x30/0x80
[ 225.792445][ T5421] ? clear_bhb_loop+0x30/0x80
[ 225.797104][ T5421] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.802997][ T5421] RIP: 0033:0x7f0e7852e38a
[ 225.807420][ 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
[ 225.827009][ T5421] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.835492][ T5421] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 225.843450][ T5421] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 225.851410][ T5421] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 225.859361][ T5421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.867324][ T5421] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.875283][ T5421]
[ 225.880207][ T5421] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.893345][ T5421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.221967][ T5423] loop1: detected capacity change from 0 to 32768
[ 226.277274][ T5423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.284695][ T5423] CPU: 0 PID: 5423 Comm: syz.1.181 Not tainted syzkaller #0
[ 226.291996][ T5423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 226.302057][ T5423] Call Trace:
[ 226.305342][ T5423]
[ 226.308280][ T5423] dump_stack_lvl+0x168/0x230
[ 226.312968][ T5423] ? show_regs_print_info+0x20/0x20
[ 226.318173][ T5423] ? load_image+0x3b0/0x3b0
[ 226.322749][ T5423] sysfs_create_dir_ns+0x252/0x280
[ 226.328056][ T5423] ? __lock_acquire+0x7c60/0x7c60
[ 226.333091][ T5423] ? sysfs_warn_dup+0xa0/0xa0
[ 226.337778][ T5423] ? do_raw_spin_unlock+0x11d/0x230
[ 226.342982][ T5423] kobject_add_internal+0x662/0xd00
[ 226.348191][ T5423] kobject_init_and_add+0x122/0x190
[ 226.353394][ T5423] ? lockdep_softirqs_off+0x420/0x420
[ 226.358870][ T5423] ? kobject_add+0x210/0x210
[ 226.363449][ T5423] ? __init_swait_queue_head+0xa5/0x150
[ 226.368977][ T5423] gfs2_sys_fs_add+0x234/0x480
[ 226.373733][ T5423] ? gfs2_recover_set+0x240/0x240
[ 226.378757][ T5423] ? snprintf+0xd7/0x120
[ 226.382999][ T5423] ? __free_pages+0x95/0x1a0
[ 226.387568][ T5423] ? vscnprintf+0x80/0x80
[ 226.391882][ T5423] gfs2_fill_super+0x128d/0x1f50
[ 226.396803][ T5423] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.401804][ T5423] ? preempt_count_add+0x8d/0x190
[ 226.406808][ T5423] ? sb_set_blocksize+0xa5/0xe0
[ 226.411669][ T5423] get_tree_bdev+0x3f1/0x610
[ 226.416246][ T5423] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.421248][ T5423] gfs2_get_tree+0x4d/0x1e0
[ 226.425726][ T5423] vfs_get_tree+0x88/0x270
[ 226.430123][ T5423] do_new_mount+0x24a/0xa40
[ 226.434609][ T5423] __se_sys_mount+0x2d6/0x3c0
[ 226.439265][ T5423] ? __x64_sys_mount+0xc0/0xc0
[ 226.444008][ T5423] ? lockdep_hardirqs_on+0x94/0x140
[ 226.449187][ T5423] ? __x64_sys_mount+0x1c/0xc0
[ 226.453925][ T5423] do_syscall_64+0x4c/0xa0
[ 226.458326][ T5423] ? clear_bhb_loop+0x30/0x80
[ 226.462987][ T5423] ? clear_bhb_loop+0x30/0x80
[ 226.467639][ T5423] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.473515][ T5423] RIP: 0033:0x7f0e7852e38a
[ 226.477995][ 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
[ 226.497582][ T5423] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.505977][ T5423] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 226.513929][ T5423] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 226.521911][ T5423] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 226.529873][ T5423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.537835][ T5423] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.545956][ T5423]
[ 226.551116][ T5423] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.565287][ T5423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.875217][ T5425] loop1: detected capacity change from 0 to 32768
[ 226.886212][ T5425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.893722][ T5425] CPU: 0 PID: 5425 Comm: syz.1.182 Not tainted syzkaller #0
[ 226.901028][ T5425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 226.911088][ T5425] Call Trace:
[ 226.914375][ T5425]
[ 226.917304][ T5425] dump_stack_lvl+0x168/0x230
[ 226.921991][ T5425] ? show_regs_print_info+0x20/0x20
[ 226.927196][ T5425] ? load_image+0x3b0/0x3b0
[ 226.931692][ T5425] sysfs_create_dir_ns+0x252/0x280
[ 226.936787][ T5425] ? __lock_acquire+0x7c60/0x7c60
[ 226.941881][ T5425] ? sysfs_warn_dup+0xa0/0xa0
[ 226.946542][ T5425] ? do_raw_spin_unlock+0x11d/0x230
[ 226.951897][ T5425] kobject_add_internal+0x662/0xd00
[ 226.957078][ T5425] kobject_init_and_add+0x122/0x190
[ 226.962283][ T5425] ? lockdep_softirqs_off+0x420/0x420
[ 226.967635][ T5425] ? kobject_add+0x210/0x210
[ 226.972202][ T5425] ? __init_swait_queue_head+0xa5/0x150
[ 226.977732][ T5425] gfs2_sys_fs_add+0x234/0x480
[ 226.982476][ T5425] ? gfs2_recover_set+0x240/0x240
[ 226.987474][ T5425] ? snprintf+0xd7/0x120
[ 226.991691][ T5425] ? __free_pages+0x95/0x1a0
[ 226.996264][ T5425] ? vscnprintf+0x80/0x80
[ 227.000761][ T5425] gfs2_fill_super+0x128d/0x1f50
[ 227.005684][ T5425] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.010687][ T5425] ? preempt_count_add+0x8d/0x190
[ 227.015712][ T5425] ? sb_set_blocksize+0xa5/0xe0
[ 227.020650][ T5425] get_tree_bdev+0x3f1/0x610
[ 227.025230][ T5425] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.030233][ T5425] gfs2_get_tree+0x4d/0x1e0
[ 227.034727][ T5425] vfs_get_tree+0x88/0x270
[ 227.039128][ T5425] do_new_mount+0x24a/0xa40
[ 227.043615][ T5425] __se_sys_mount+0x2d6/0x3c0
[ 227.048271][ T5425] ? __x64_sys_mount+0xc0/0xc0
[ 227.053013][ T5425] ? lockdep_hardirqs_on+0x94/0x140
[ 227.058307][ T5425] ? __x64_sys_mount+0x1c/0xc0
[ 227.063143][ T5425] do_syscall_64+0x4c/0xa0
[ 227.067540][ T5425] ? clear_bhb_loop+0x30/0x80
[ 227.072195][ T5425] ? clear_bhb_loop+0x30/0x80
[ 227.076888][ T5425] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.082759][ T5425] RIP: 0033:0x7f0e7852e38a
[ 227.087157][ 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
[ 227.106828][ T5425] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.115232][ T5425] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 227.123183][ T5425] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 227.131136][ T5425] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 227.139084][ T5425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.147034][ T5425] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.154997][ T5425]
[ 227.161698][ T5425] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.175307][ T5425] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.501825][ T5427] loop1: detected capacity change from 0 to 32768
[ 227.566019][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.573435][ T5427] CPU: 0 PID: 5427 Comm: syz.1.183 Not tainted syzkaller #0
[ 227.580813][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 227.590884][ T5427] Call Trace:
[ 227.594169][ T5427]
[ 227.597114][ T5427] dump_stack_lvl+0x168/0x230
[ 227.601797][ T5427] ? show_regs_print_info+0x20/0x20
[ 227.607003][ T5427] ? load_image+0x3b0/0x3b0
[ 227.611543][ T5427] sysfs_create_dir_ns+0x252/0x280
[ 227.616665][ T5427] ? __lock_acquire+0x7c60/0x7c60
[ 227.621705][ T5427] ? sysfs_warn_dup+0xa0/0xa0
[ 227.626400][ T5427] ? do_raw_spin_unlock+0x11d/0x230
[ 227.631609][ T5427] kobject_add_internal+0x662/0xd00
[ 227.636815][ T5427] kobject_init_and_add+0x122/0x190
[ 227.642011][ T5427] ? lockdep_softirqs_off+0x420/0x420
[ 227.647385][ T5427] ? kobject_add+0x210/0x210
[ 227.652050][ T5427] ? __init_swait_queue_head+0xa5/0x150
[ 227.657580][ T5427] gfs2_sys_fs_add+0x234/0x480
[ 227.662345][ T5427] ? gfs2_recover_set+0x240/0x240
[ 227.667344][ T5427] ? snprintf+0xd7/0x120
[ 227.671720][ T5427] ? __free_pages+0x95/0x1a0
[ 227.676296][ T5427] ? vscnprintf+0x80/0x80
[ 227.680632][ T5427] gfs2_fill_super+0x128d/0x1f50
[ 227.685553][ T5427] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.690561][ T5427] ? preempt_count_add+0x8d/0x190
[ 227.695567][ T5427] ? sb_set_blocksize+0xa5/0xe0
[ 227.700396][ T5427] get_tree_bdev+0x3f1/0x610
[ 227.704987][ T5427] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.709988][ T5427] gfs2_get_tree+0x4d/0x1e0
[ 227.714471][ T5427] vfs_get_tree+0x88/0x270
[ 227.718865][ T5427] do_new_mount+0x24a/0xa40
[ 227.723373][ T5427] __se_sys_mount+0x2d6/0x3c0
[ 227.728034][ T5427] ? __x64_sys_mount+0xc0/0xc0
[ 227.732773][ T5427] ? lockdep_hardirqs_on+0x94/0x140
[ 227.737944][ T5427] ? __x64_sys_mount+0x1c/0xc0
[ 227.742696][ T5427] do_syscall_64+0x4c/0xa0
[ 227.747093][ T5427] ? clear_bhb_loop+0x30/0x80
[ 227.751744][ T5427] ? clear_bhb_loop+0x30/0x80
[ 227.756404][ T5427] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.762293][ T5427] RIP: 0033:0x7f0e7852e38a
[ 227.766693][ 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
[ 227.786292][ T5427] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.794716][ T5427] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 227.802703][ T5427] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 227.810682][ T5427] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 227.818726][ T5427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.826685][ T5427] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.834647][ T5427]
[ 227.839653][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.852974][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.179485][ T5429] loop1: detected capacity change from 0 to 32768
[ 228.230732][ T5429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.238255][ T5429] CPU: 0 PID: 5429 Comm: syz.1.184 Not tainted syzkaller #0
[ 228.245553][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 228.255617][ T5429] Call Trace:
[ 228.258982][ T5429]
[ 228.261957][ T5429] dump_stack_lvl+0x168/0x230
[ 228.266646][ T5429] ? show_regs_print_info+0x20/0x20
[ 228.271945][ T5429] ? load_image+0x3b0/0x3b0
[ 228.276462][ T5429] sysfs_create_dir_ns+0x252/0x280
[ 228.281596][ T5429] ? __lock_acquire+0x7c60/0x7c60
[ 228.286635][ T5429] ? sysfs_warn_dup+0xa0/0xa0
[ 228.291328][ T5429] ? do_raw_spin_unlock+0x11d/0x230
[ 228.296548][ T5429] kobject_add_internal+0x662/0xd00
[ 228.301762][ T5429] kobject_init_and_add+0x122/0x190
[ 228.306968][ T5429] ? lockdep_softirqs_off+0x420/0x420
[ 228.312346][ T5429] ? kobject_add+0x210/0x210
[ 228.316946][ T5429] ? __init_swait_queue_head+0xa5/0x150
[ 228.322494][ T5429] gfs2_sys_fs_add+0x234/0x480
[ 228.327245][ T5429] ? gfs2_recover_set+0x240/0x240
[ 228.332294][ T5429] ? snprintf+0xd7/0x120
[ 228.336533][ T5429] ? __free_pages+0x95/0x1a0
[ 228.341208][ T5429] ? vscnprintf+0x80/0x80
[ 228.345524][ T5429] gfs2_fill_super+0x128d/0x1f50
[ 228.350459][ T5429] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.355480][ T5429] ? preempt_count_add+0x8d/0x190
[ 228.360759][ T5429] ? sb_set_blocksize+0xa5/0xe0
[ 228.365592][ T5429] get_tree_bdev+0x3f1/0x610
[ 228.370165][ T5429] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.375168][ T5429] gfs2_get_tree+0x4d/0x1e0
[ 228.379648][ T5429] vfs_get_tree+0x88/0x270
[ 228.384045][ T5429] do_new_mount+0x24a/0xa40
[ 228.388619][ T5429] __se_sys_mount+0x2d6/0x3c0
[ 228.393274][ T5429] ? __x64_sys_mount+0xc0/0xc0
[ 228.398017][ T5429] ? lockdep_hardirqs_on+0x94/0x140
[ 228.403202][ T5429] ? __x64_sys_mount+0x1c/0xc0
[ 228.407951][ T5429] do_syscall_64+0x4c/0xa0
[ 228.412346][ T5429] ? clear_bhb_loop+0x30/0x80
[ 228.416999][ T5429] ? clear_bhb_loop+0x30/0x80
[ 228.421651][ T5429] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.427522][ T5429] RIP: 0033:0x7f0e7852e38a
[ 228.431916][ 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
[ 228.451516][ T5429] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.459912][ T5429] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 228.467862][ T5429] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 228.475820][ T5429] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 228.483786][ T5429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.491746][ T5429] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.499713][ T5429]
[ 228.505316][ T5429] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.518564][ T5429] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.841014][ T5431] loop1: detected capacity change from 0 to 32768
[ 228.917504][ T5431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.924914][ T5431] CPU: 0 PID: 5431 Comm: syz.1.185 Not tainted syzkaller #0
[ 228.932210][ T5431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 228.942373][ T5431] Call Trace:
[ 228.945659][ T5431]
[ 228.948588][ T5431] dump_stack_lvl+0x168/0x230
[ 228.953288][ T5431] ? show_regs_print_info+0x20/0x20
[ 228.958498][ T5431] ? load_image+0x3b0/0x3b0
[ 228.963033][ T5431] sysfs_create_dir_ns+0x252/0x280
[ 228.968158][ T5431] ? __lock_acquire+0x7c60/0x7c60
[ 228.973205][ T5431] ? sysfs_warn_dup+0xa0/0xa0
[ 228.977895][ T5431] ? do_raw_spin_unlock+0x11d/0x230
[ 228.983106][ T5431] kobject_add_internal+0x662/0xd00
[ 228.988313][ T5431] kobject_init_and_add+0x122/0x190
[ 228.993514][ T5431] ? lockdep_softirqs_off+0x420/0x420
[ 228.998893][ T5431] ? kobject_add+0x210/0x210
[ 229.003466][ T5431] ? __init_swait_queue_head+0xa5/0x150
[ 229.008994][ T5431] gfs2_sys_fs_add+0x234/0x480
[ 229.013737][ T5431] ? gfs2_recover_set+0x240/0x240
[ 229.018737][ T5431] ? snprintf+0xd7/0x120
[ 229.022964][ T5431] ? __free_pages+0x95/0x1a0
[ 229.027533][ T5431] ? vscnprintf+0x80/0x80
[ 229.031944][ T5431] gfs2_fill_super+0x128d/0x1f50
[ 229.036880][ T5431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.041901][ T5431] ? preempt_count_add+0x8d/0x190
[ 229.046934][ T5431] ? sb_set_blocksize+0xa5/0xe0
[ 229.051788][ T5431] get_tree_bdev+0x3f1/0x610
[ 229.056371][ T5431] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.061418][ T5431] gfs2_get_tree+0x4d/0x1e0
[ 229.065917][ T5431] vfs_get_tree+0x88/0x270
[ 229.070331][ T5431] do_new_mount+0x24a/0xa40
[ 229.074837][ T5431] __se_sys_mount+0x2d6/0x3c0
[ 229.079500][ T5431] ? __x64_sys_mount+0xc0/0xc0
[ 229.084245][ T5431] ? lockdep_hardirqs_on+0x94/0x140
[ 229.089427][ T5431] ? __x64_sys_mount+0x1c/0xc0
[ 229.094176][ T5431] do_syscall_64+0x4c/0xa0
[ 229.098569][ T5431] ? clear_bhb_loop+0x30/0x80
[ 229.103244][ T5431] ? clear_bhb_loop+0x30/0x80
[ 229.107917][ T5431] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.113795][ T5431] RIP: 0033:0x7f0e7852e38a
[ 229.118199][ 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
[ 229.137795][ T5431] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.146208][ T5431] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 229.154198][ T5431] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 229.162156][ T5431] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 229.170209][ T5431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.178167][ T5431] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.186143][ T5431]
[ 229.191284][ T5431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.204428][ T5431] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:12:32 executed programs: 171
[ 229.527704][ T5433] loop1: detected capacity change from 0 to 32768
[ 229.571930][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.579442][ T5433] CPU: 1 PID: 5433 Comm: syz.1.186 Not tainted syzkaller #0
[ 229.586738][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 229.596809][ T5433] Call Trace:
[ 229.600105][ T5433]
[ 229.603036][ T5433] dump_stack_lvl+0x168/0x230
[ 229.607730][ T5433] ? show_regs_print_info+0x20/0x20
[ 229.612935][ T5433] ? load_image+0x3b0/0x3b0
[ 229.617451][ T5433] sysfs_create_dir_ns+0x252/0x280
[ 229.622574][ T5433] ? __lock_acquire+0x7c60/0x7c60
[ 229.627696][ T5433] ? sysfs_warn_dup+0xa0/0xa0
[ 229.632473][ T5433] ? do_raw_spin_unlock+0x11d/0x230
[ 229.637685][ T5433] kobject_add_internal+0x662/0xd00
[ 229.642894][ T5433] kobject_init_and_add+0x122/0x190
[ 229.648096][ T5433] ? lockdep_softirqs_off+0x420/0x420
[ 229.653475][ T5433] ? kobject_add+0x210/0x210
[ 229.658071][ T5433] ? __init_swait_queue_head+0xa5/0x150
[ 229.663632][ T5433] gfs2_sys_fs_add+0x234/0x480
[ 229.668389][ T5433] ? gfs2_recover_set+0x240/0x240
[ 229.673395][ T5433] ? snprintf+0xd7/0x120
[ 229.677625][ T5433] ? __free_pages+0x95/0x1a0
[ 229.682200][ T5433] ? vscnprintf+0x80/0x80
[ 229.686523][ T5433] gfs2_fill_super+0x128d/0x1f50
[ 229.691463][ T5433] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.696468][ T5433] ? preempt_count_add+0x8d/0x190
[ 229.701477][ T5433] ? sb_set_blocksize+0xa5/0xe0
[ 229.706321][ T5433] get_tree_bdev+0x3f1/0x610
[ 229.710908][ T5433] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.715920][ T5433] gfs2_get_tree+0x4d/0x1e0
[ 229.720500][ T5433] vfs_get_tree+0x88/0x270
[ 229.724979][ T5433] do_new_mount+0x24a/0xa40
[ 229.729463][ T5433] __se_sys_mount+0x2d6/0x3c0
[ 229.734124][ T5433] ? __x64_sys_mount+0xc0/0xc0
[ 229.738876][ T5433] ? lockdep_hardirqs_on+0x94/0x140
[ 229.744054][ T5433] ? __x64_sys_mount+0x1c/0xc0
[ 229.748804][ T5433] do_syscall_64+0x4c/0xa0
[ 229.753227][ T5433] ? clear_bhb_loop+0x30/0x80
[ 229.757888][ T5433] ? clear_bhb_loop+0x30/0x80
[ 229.762550][ T5433] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.768429][ T5433] RIP: 0033:0x7f0e7852e38a
[ 229.772851][ 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
[ 229.792493][ T5433] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.800891][ T5433] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 229.808845][ T5433] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 229.816798][ T5433] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 229.824755][ T5433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.832730][ T5433] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.840701][ T5433]
[ 229.845415][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.858572][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.172551][ T5435] loop1: detected capacity change from 0 to 32768
[ 230.259640][ T5435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.267579][ T5435] CPU: 0 PID: 5435 Comm: syz.1.187 Not tainted syzkaller #0
[ 230.274877][ T5435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 230.284934][ T5435] Call Trace:
[ 230.288217][ T5435]
[ 230.291148][ T5435] dump_stack_lvl+0x168/0x230
[ 230.295921][ T5435] ? show_regs_print_info+0x20/0x20
[ 230.301144][ T5435] ? load_image+0x3b0/0x3b0
[ 230.305658][ T5435] sysfs_create_dir_ns+0x252/0x280
[ 230.310755][ T5435] ? __lock_acquire+0x7c60/0x7c60
[ 230.315760][ T5435] ? sysfs_warn_dup+0xa0/0xa0
[ 230.320421][ T5435] ? do_raw_spin_unlock+0x11d/0x230
[ 230.325608][ T5435] kobject_add_internal+0x662/0xd00
[ 230.330792][ T5435] kobject_init_and_add+0x122/0x190
[ 230.335971][ T5435] ? lockdep_softirqs_off+0x420/0x420
[ 230.341325][ T5435] ? kobject_add+0x210/0x210
[ 230.345897][ T5435] ? __init_swait_queue_head+0xa5/0x150
[ 230.351423][ T5435] gfs2_sys_fs_add+0x234/0x480
[ 230.356169][ T5435] ? gfs2_recover_set+0x240/0x240
[ 230.361254][ T5435] ? snprintf+0xd7/0x120
[ 230.365475][ T5435] ? __free_pages+0x95/0x1a0
[ 230.370050][ T5435] ? vscnprintf+0x80/0x80
[ 230.374361][ T5435] gfs2_fill_super+0x128d/0x1f50
[ 230.379283][ T5435] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.384284][ T5435] ? preempt_count_add+0x8d/0x190
[ 230.389288][ T5435] ? sb_set_blocksize+0xa5/0xe0
[ 230.394119][ T5435] get_tree_bdev+0x3f1/0x610
[ 230.398685][ T5435] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.403684][ T5435] gfs2_get_tree+0x4d/0x1e0
[ 230.408166][ T5435] vfs_get_tree+0x88/0x270
[ 230.412564][ T5435] do_new_mount+0x24a/0xa40
[ 230.417052][ T5435] __se_sys_mount+0x2d6/0x3c0
[ 230.421706][ T5435] ? __x64_sys_mount+0xc0/0xc0
[ 230.426543][ T5435] ? lockdep_hardirqs_on+0x94/0x140
[ 230.431739][ T5435] ? __x64_sys_mount+0x1c/0xc0
[ 230.436500][ T5435] do_syscall_64+0x4c/0xa0
[ 230.440900][ T5435] ? clear_bhb_loop+0x30/0x80
[ 230.445554][ T5435] ? clear_bhb_loop+0x30/0x80
[ 230.450210][ T5435] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.456084][ T5435] RIP: 0033:0x7f0e7852e38a
[ 230.460479][ 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
[ 230.480065][ T5435] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.488457][ T5435] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 230.496409][ T5435] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 230.504362][ T5435] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 230.512313][ T5435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.520269][ T5435] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.528228][ T5435]
[ 230.533286][ T5435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.546740][ T5435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.855098][ T5437] loop1: detected capacity change from 0 to 32768
[ 230.869194][ T5437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.876744][ T5437] CPU: 0 PID: 5437 Comm: syz.1.188 Not tainted syzkaller #0
[ 230.884038][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 230.894112][ T5437] Call Trace:
[ 230.897394][ T5437]
[ 230.900325][ T5437] dump_stack_lvl+0x168/0x230
[ 230.905018][ T5437] ? show_regs_print_info+0x20/0x20
[ 230.910222][ T5437] ? load_image+0x3b0/0x3b0
[ 230.914883][ T5437] sysfs_create_dir_ns+0x252/0x280
[ 230.919989][ T5437] ? __lock_acquire+0x7c60/0x7c60
[ 230.924997][ T5437] ? sysfs_warn_dup+0xa0/0xa0
[ 230.929658][ T5437] ? do_raw_spin_unlock+0x11d/0x230
[ 230.934859][ T5437] kobject_add_internal+0x662/0xd00
[ 230.940042][ T5437] kobject_init_and_add+0x122/0x190
[ 230.945214][ T5437] ? lockdep_softirqs_off+0x420/0x420
[ 230.950565][ T5437] ? kobject_add+0x210/0x210
[ 230.955134][ T5437] ? __init_swait_queue_head+0xa5/0x150
[ 230.960680][ T5437] gfs2_sys_fs_add+0x234/0x480
[ 230.965425][ T5437] ? gfs2_recover_set+0x240/0x240
[ 230.970428][ T5437] ? snprintf+0xd7/0x120
[ 230.974648][ T5437] ? __free_pages+0x95/0x1a0
[ 230.979246][ T5437] ? vscnprintf+0x80/0x80
[ 230.983556][ T5437] gfs2_fill_super+0x128d/0x1f50
[ 230.988477][ T5437] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.993479][ T5437] ? preempt_count_add+0x8d/0x190
[ 230.998481][ T5437] ? sb_set_blocksize+0xa5/0xe0
[ 231.003313][ T5437] get_tree_bdev+0x3f1/0x610
[ 231.007882][ T5437] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.012881][ T5437] gfs2_get_tree+0x4d/0x1e0
[ 231.017359][ T5437] vfs_get_tree+0x88/0x270
[ 231.021752][ T5437] do_new_mount+0x24a/0xa40
[ 231.026233][ T5437] __se_sys_mount+0x2d6/0x3c0
[ 231.030889][ T5437] ? __x64_sys_mount+0xc0/0xc0
[ 231.035627][ T5437] ? lockdep_hardirqs_on+0x94/0x140
[ 231.040799][ T5437] ? __x64_sys_mount+0x1c/0xc0
[ 231.045537][ T5437] do_syscall_64+0x4c/0xa0
[ 231.049927][ T5437] ? clear_bhb_loop+0x30/0x80
[ 231.054668][ T5437] ? clear_bhb_loop+0x30/0x80
[ 231.059323][ T5437] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.065281][ T5437] RIP: 0033:0x7f0e7852e38a
[ 231.069683][ 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
[ 231.089275][ T5437] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.097674][ T5437] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 231.105629][ T5437] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 231.113577][ T5437] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 231.121526][ T5437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.129474][ T5437] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.137429][ T5437]
[ 231.142658][ T5437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.155898][ T5437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.489489][ T5439] loop1: detected capacity change from 0 to 32768
[ 231.556625][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.564116][ T5439] CPU: 0 PID: 5439 Comm: syz.1.189 Not tainted syzkaller #0
[ 231.571405][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 231.581466][ T5439] Call Trace:
[ 231.584751][ T5439]
[ 231.587676][ T5439] dump_stack_lvl+0x168/0x230
[ 231.592387][ T5439] ? show_regs_print_info+0x20/0x20
[ 231.597614][ T5439] ? load_image+0x3b0/0x3b0
[ 231.602140][ T5439] sysfs_create_dir_ns+0x252/0x280
[ 231.607267][ T5439] ? __lock_acquire+0x7c60/0x7c60
[ 231.612314][ T5439] ? sysfs_warn_dup+0xa0/0xa0
[ 231.617127][ T5439] ? do_raw_spin_unlock+0x11d/0x230
[ 231.622359][ T5439] kobject_add_internal+0x662/0xd00
[ 231.627582][ T5439] kobject_init_and_add+0x122/0x190
[ 231.632800][ T5439] ? lockdep_softirqs_off+0x420/0x420
[ 231.638196][ T5439] ? kobject_add+0x210/0x210
[ 231.642783][ T5439] ? __init_swait_queue_head+0xa5/0x150
[ 231.648332][ T5439] gfs2_sys_fs_add+0x234/0x480
[ 231.653097][ T5439] ? gfs2_recover_set+0x240/0x240
[ 231.658544][ T5439] ? snprintf+0xd7/0x120
[ 231.662774][ T5439] ? __free_pages+0x95/0x1a0
[ 231.667354][ T5439] ? vscnprintf+0x80/0x80
[ 231.671668][ T5439] gfs2_fill_super+0x128d/0x1f50
[ 231.676595][ T5439] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.681626][ T5439] ? preempt_count_add+0x8d/0x190
[ 231.686643][ T5439] ? sb_set_blocksize+0xa5/0xe0
[ 231.691478][ T5439] get_tree_bdev+0x3f1/0x610
[ 231.696064][ T5439] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.701070][ T5439] gfs2_get_tree+0x4d/0x1e0
[ 231.705555][ T5439] vfs_get_tree+0x88/0x270
[ 231.710024][ T5439] do_new_mount+0x24a/0xa40
[ 231.714518][ T5439] __se_sys_mount+0x2d6/0x3c0
[ 231.719272][ T5439] ? __x64_sys_mount+0xc0/0xc0
[ 231.724048][ T5439] ? lockdep_hardirqs_on+0x94/0x140
[ 231.729225][ T5439] ? __x64_sys_mount+0x1c/0xc0
[ 231.733975][ T5439] do_syscall_64+0x4c/0xa0
[ 231.738379][ T5439] ? clear_bhb_loop+0x30/0x80
[ 231.743123][ T5439] ? clear_bhb_loop+0x30/0x80
[ 231.747955][ T5439] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.753839][ T5439] RIP: 0033:0x7f0e7852e38a
[ 231.758237][ 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
[ 231.777826][ T5439] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.786225][ T5439] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 231.794179][ T5439] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 231.802133][ T5439] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 231.810171][ T5439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.818130][ T5439] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.826181][ T5439]
[ 231.831535][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.844717][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.176841][ T5441] loop1: detected capacity change from 0 to 32768
[ 232.228574][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.236516][ T5441] CPU: 0 PID: 5441 Comm: syz.1.190 Not tainted syzkaller #0
[ 232.243833][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 232.253897][ T5441] Call Trace:
[ 232.257191][ T5441]
[ 232.260138][ T5441] dump_stack_lvl+0x168/0x230
[ 232.264836][ T5441] ? show_regs_print_info+0x20/0x20
[ 232.270062][ T5441] ? load_image+0x3b0/0x3b0
[ 232.274585][ T5441] sysfs_create_dir_ns+0x252/0x280
[ 232.279737][ T5441] ? __lock_acquire+0x7c60/0x7c60
[ 232.284779][ T5441] ? sysfs_warn_dup+0xa0/0xa0
[ 232.289620][ T5441] ? do_raw_spin_unlock+0x11d/0x230
[ 232.294830][ T5441] kobject_add_internal+0x662/0xd00
[ 232.300043][ T5441] kobject_init_and_add+0x122/0x190
[ 232.305250][ T5441] ? lockdep_softirqs_off+0x420/0x420
[ 232.310645][ T5441] ? kobject_add+0x210/0x210
[ 232.315249][ T5441] ? __init_swait_queue_head+0xa5/0x150
[ 232.320811][ T5441] gfs2_sys_fs_add+0x234/0x480
[ 232.325583][ T5441] ? gfs2_recover_set+0x240/0x240
[ 232.330593][ T5441] ? snprintf+0xd7/0x120
[ 232.334817][ T5441] ? __free_pages+0x95/0x1a0
[ 232.339387][ T5441] ? vscnprintf+0x80/0x80
[ 232.343701][ T5441] gfs2_fill_super+0x128d/0x1f50
[ 232.348626][ T5441] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.353633][ T5441] ? preempt_count_add+0x8d/0x190
[ 232.358643][ T5441] ? sb_set_blocksize+0xa5/0xe0
[ 232.363486][ T5441] get_tree_bdev+0x3f1/0x610
[ 232.368056][ T5441] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.373062][ T5441] gfs2_get_tree+0x4d/0x1e0
[ 232.377559][ T5441] vfs_get_tree+0x88/0x270
[ 232.381971][ T5441] do_new_mount+0x24a/0xa40
[ 232.386460][ T5441] __se_sys_mount+0x2d6/0x3c0
[ 232.391123][ T5441] ? __x64_sys_mount+0xc0/0xc0
[ 232.395875][ T5441] ? lockdep_hardirqs_on+0x94/0x140
[ 232.401084][ T5441] ? __x64_sys_mount+0x1c/0xc0
[ 232.405835][ T5441] do_syscall_64+0x4c/0xa0
[ 232.410243][ T5441] ? clear_bhb_loop+0x30/0x80
[ 232.414895][ T5441] ? clear_bhb_loop+0x30/0x80
[ 232.419553][ T5441] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.425448][ T5441] RIP: 0033:0x7f0e7852e38a
[ 232.429844][ 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
[ 232.449434][ T5441] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.457835][ T5441] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 232.465788][ T5441] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 232.473763][ T5441] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 232.481723][ T5441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.489694][ T5441] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.497675][ T5441]
[ 232.502580][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.515737][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.823176][ T5443] loop1: detected capacity change from 0 to 32768
[ 232.836542][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.844026][ T5443] CPU: 0 PID: 5443 Comm: syz.1.191 Not tainted syzkaller #0
[ 232.851321][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 232.861382][ T5443] Call Trace:
[ 232.864662][ T5443]
[ 232.867587][ T5443] dump_stack_lvl+0x168/0x230
[ 232.872279][ T5443] ? show_regs_print_info+0x20/0x20
[ 232.877492][ T5443] ? load_image+0x3b0/0x3b0
[ 232.882018][ T5443] sysfs_create_dir_ns+0x252/0x280
[ 232.887113][ T5443] ? __lock_acquire+0x7c60/0x7c60
[ 232.892117][ T5443] ? sysfs_warn_dup+0xa0/0xa0
[ 232.896771][ T5443] ? do_raw_spin_unlock+0x11d/0x230
[ 232.901958][ T5443] kobject_add_internal+0x662/0xd00
[ 232.907162][ T5443] kobject_init_and_add+0x122/0x190
[ 232.912367][ T5443] ? lockdep_softirqs_off+0x420/0x420
[ 232.917738][ T5443] ? kobject_add+0x210/0x210
[ 232.922316][ T5443] ? __init_swait_queue_head+0xa5/0x150
[ 232.927858][ T5443] gfs2_sys_fs_add+0x234/0x480
[ 232.932610][ T5443] ? gfs2_recover_set+0x240/0x240
[ 232.937726][ T5443] ? snprintf+0xd7/0x120
[ 232.941951][ T5443] ? __free_pages+0x95/0x1a0
[ 232.946531][ T5443] ? vscnprintf+0x80/0x80
[ 232.950845][ T5443] gfs2_fill_super+0x128d/0x1f50
[ 232.955774][ T5443] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.960812][ T5443] ? preempt_count_add+0x8d/0x190
[ 232.965853][ T5443] ? sb_set_blocksize+0xa5/0xe0
[ 232.970689][ T5443] get_tree_bdev+0x3f1/0x610
[ 232.975255][ T5443] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.980256][ T5443] gfs2_get_tree+0x4d/0x1e0
[ 232.984738][ T5443] vfs_get_tree+0x88/0x270
[ 232.989144][ T5443] do_new_mount+0x24a/0xa40
[ 232.993714][ T5443] __se_sys_mount+0x2d6/0x3c0
[ 232.998381][ T5443] ? __x64_sys_mount+0xc0/0xc0
[ 233.003119][ T5443] ? lockdep_hardirqs_on+0x94/0x140
[ 233.008295][ T5443] ? __x64_sys_mount+0x1c/0xc0
[ 233.013045][ T5443] do_syscall_64+0x4c/0xa0
[ 233.017442][ T5443] ? clear_bhb_loop+0x30/0x80
[ 233.022097][ T5443] ? clear_bhb_loop+0x30/0x80
[ 233.026748][ T5443] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.032613][ T5443] RIP: 0033:0x7f0e7852e38a
[ 233.037006][ 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
[ 233.056589][ T5443] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.064980][ T5443] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 233.072930][ T5443] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 233.080912][ T5443] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 233.088880][ T5443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.096863][ T5443] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.104822][ T5443]
[ 233.108786][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.122275][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.441275][ T5445] loop1: detected capacity change from 0 to 32768
[ 233.514751][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.522429][ T5445] CPU: 1 PID: 5445 Comm: syz.1.192 Not tainted syzkaller #0
[ 233.529905][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 233.539971][ T5445] Call Trace:
[ 233.543690][ T5445]
[ 233.546623][ T5445] dump_stack_lvl+0x168/0x230
[ 233.551312][ T5445] ? show_regs_print_info+0x20/0x20
[ 233.556519][ T5445] ? load_image+0x3b0/0x3b0
[ 233.561044][ T5445] sysfs_create_dir_ns+0x252/0x280
[ 233.566176][ T5445] ? __lock_acquire+0x7c60/0x7c60
[ 233.571215][ T5445] ? sysfs_warn_dup+0xa0/0xa0
[ 233.575899][ T5445] ? do_raw_spin_unlock+0x11d/0x230
[ 233.581119][ T5445] kobject_add_internal+0x662/0xd00
[ 233.586332][ T5445] kobject_init_and_add+0x122/0x190
[ 233.591537][ T5445] ? lockdep_softirqs_off+0x420/0x420
[ 233.596922][ T5445] ? kobject_add+0x210/0x210
[ 233.601515][ T5445] ? __init_swait_queue_head+0xa5/0x150
[ 233.607050][ T5445] gfs2_sys_fs_add+0x234/0x480
[ 233.611795][ T5445] ? gfs2_recover_set+0x240/0x240
[ 233.616915][ T5445] ? snprintf+0xd7/0x120
[ 233.621136][ T5445] ? __free_pages+0x95/0x1a0
[ 233.625707][ T5445] ? vscnprintf+0x80/0x80
[ 233.630027][ T5445] gfs2_fill_super+0x128d/0x1f50
[ 233.634958][ T5445] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.639961][ T5445] ? preempt_count_add+0x8d/0x190
[ 233.644972][ T5445] ? sb_set_blocksize+0xa5/0xe0
[ 233.649806][ T5445] get_tree_bdev+0x3f1/0x610
[ 233.654383][ T5445] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.659403][ T5445] gfs2_get_tree+0x4d/0x1e0
[ 233.663886][ T5445] vfs_get_tree+0x88/0x270
[ 233.668281][ T5445] do_new_mount+0x24a/0xa40
[ 233.672768][ T5445] __se_sys_mount+0x2d6/0x3c0
[ 233.677434][ T5445] ? __x64_sys_mount+0xc0/0xc0
[ 233.682196][ T5445] ? lockdep_hardirqs_on+0x94/0x140
[ 233.687373][ T5445] ? __x64_sys_mount+0x1c/0xc0
[ 233.692123][ T5445] do_syscall_64+0x4c/0xa0
[ 233.696519][ T5445] ? clear_bhb_loop+0x30/0x80
[ 233.701177][ T5445] ? clear_bhb_loop+0x30/0x80
[ 233.705838][ T5445] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.711746][ T5445] RIP: 0033:0x7f0e7852e38a
[ 233.716143][ 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
[ 233.735747][ T5445] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.744147][ T5445] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 233.752100][ T5445] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 233.760061][ T5445] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 233.768021][ T5445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.775975][ T5445] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.783952][ T5445]
[ 233.790747][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.805064][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.124975][ T5447] loop1: detected capacity change from 0 to 32768
[ 234.196866][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.204274][ T5447] CPU: 1 PID: 5447 Comm: syz.1.193 Not tainted syzkaller #0
[ 234.211564][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.221624][ T5447] Call Trace:
[ 234.224907][ T5447]
[ 234.227840][ T5447] dump_stack_lvl+0x168/0x230
[ 234.232536][ T5447] ? show_regs_print_info+0x20/0x20
[ 234.237778][ T5447] ? load_image+0x3b0/0x3b0
[ 234.242303][ T5447] sysfs_create_dir_ns+0x252/0x280
[ 234.247428][ T5447] ? __lock_acquire+0x7c60/0x7c60
[ 234.252464][ T5447] ? sysfs_warn_dup+0xa0/0xa0
[ 234.257150][ T5447] ? do_raw_spin_unlock+0x11d/0x230
[ 234.262356][ T5447] kobject_add_internal+0x662/0xd00
[ 234.267560][ T5447] kobject_init_and_add+0x122/0x190
[ 234.272759][ T5447] ? lockdep_softirqs_off+0x420/0x420
[ 234.278121][ T5447] ? kobject_add+0x210/0x210
[ 234.282692][ T5447] ? __init_swait_queue_head+0xa5/0x150
[ 234.288290][ T5447] gfs2_sys_fs_add+0x234/0x480
[ 234.293049][ T5447] ? gfs2_recover_set+0x240/0x240
[ 234.298060][ T5447] ? snprintf+0xd7/0x120
[ 234.302284][ T5447] ? __free_pages+0x95/0x1a0
[ 234.306864][ T5447] ? vscnprintf+0x80/0x80
[ 234.311198][ T5447] gfs2_fill_super+0x128d/0x1f50
[ 234.316130][ T5447] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.321131][ T5447] ? preempt_count_add+0x8d/0x190
[ 234.326136][ T5447] ? sb_set_blocksize+0xa5/0xe0
[ 234.330967][ T5447] get_tree_bdev+0x3f1/0x610
[ 234.335537][ T5447] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.340626][ T5447] gfs2_get_tree+0x4d/0x1e0
[ 234.345115][ T5447] vfs_get_tree+0x88/0x270
[ 234.349515][ T5447] do_new_mount+0x24a/0xa40
[ 234.354028][ T5447] __se_sys_mount+0x2d6/0x3c0
[ 234.358698][ T5447] ? __x64_sys_mount+0xc0/0xc0
[ 234.363449][ T5447] ? lockdep_hardirqs_on+0x94/0x140
[ 234.368631][ T5447] ? __x64_sys_mount+0x1c/0xc0
[ 234.373376][ T5447] do_syscall_64+0x4c/0xa0
[ 234.377781][ T5447] ? clear_bhb_loop+0x30/0x80
[ 234.382432][ T5447] ? clear_bhb_loop+0x30/0x80
[ 234.387084][ T5447] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.392955][ T5447] RIP: 0033:0x7f0e7852e38a
[ 234.397347][ 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
[ 234.417105][ T5447] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.425496][ T5447] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 234.433464][ T5447] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 234.441709][ T5447] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 234.449763][ T5447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.457729][ T5447] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.465715][ T5447]
[ 234.469220][ T5447] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.482392][ T5447] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:12:37 executed programs: 179
[ 234.790759][ T5449] loop1: detected capacity change from 0 to 32768
[ 234.854976][ T5449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.862482][ T5449] CPU: 1 PID: 5449 Comm: syz.1.194 Not tainted syzkaller #0
[ 234.869771][ T5449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.880092][ T5449] Call Trace:
[ 234.883378][ T5449]
[ 234.886308][ T5449] dump_stack_lvl+0x168/0x230
[ 234.891009][ T5449] ? show_regs_print_info+0x20/0x20
[ 234.896215][ T5449] ? load_image+0x3b0/0x3b0
[ 234.900740][ T5449] sysfs_create_dir_ns+0x252/0x280
[ 234.905870][ T5449] ? __lock_acquire+0x7c60/0x7c60
[ 234.910912][ T5449] ? sysfs_warn_dup+0xa0/0xa0
[ 234.915606][ T5449] ? do_raw_spin_unlock+0x11d/0x230
[ 234.920817][ T5449] kobject_add_internal+0x662/0xd00
[ 234.926034][ T5449] kobject_init_and_add+0x122/0x190
[ 234.931237][ T5449] ? lockdep_softirqs_off+0x420/0x420
[ 234.936617][ T5449] ? kobject_add+0x210/0x210
[ 234.941215][ T5449] ? __init_swait_queue_head+0xa5/0x150
[ 234.946741][ T5449] gfs2_sys_fs_add+0x234/0x480
[ 234.951484][ T5449] ? gfs2_recover_set+0x240/0x240
[ 234.956491][ T5449] ? snprintf+0xd7/0x120
[ 234.960730][ T5449] ? __free_pages+0x95/0x1a0
[ 234.965325][ T5449] ? vscnprintf+0x80/0x80
[ 234.969644][ T5449] gfs2_fill_super+0x128d/0x1f50
[ 234.974568][ T5449] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.979569][ T5449] ? preempt_count_add+0x8d/0x190
[ 234.984578][ T5449] ? sb_set_blocksize+0xa5/0xe0
[ 234.989407][ T5449] get_tree_bdev+0x3f1/0x610
[ 234.993983][ T5449] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.998984][ T5449] gfs2_get_tree+0x4d/0x1e0
[ 235.003465][ T5449] vfs_get_tree+0x88/0x270
[ 235.007859][ T5449] do_new_mount+0x24a/0xa40
[ 235.012361][ T5449] __se_sys_mount+0x2d6/0x3c0
[ 235.017049][ T5449] ? __x64_sys_mount+0xc0/0xc0
[ 235.021805][ T5449] ? lockdep_hardirqs_on+0x94/0x140
[ 235.027021][ T5449] ? __x64_sys_mount+0x1c/0xc0
[ 235.031768][ T5449] do_syscall_64+0x4c/0xa0
[ 235.036280][ T5449] ? clear_bhb_loop+0x30/0x80
[ 235.040965][ T5449] ? clear_bhb_loop+0x30/0x80
[ 235.045629][ T5449] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.051615][ T5449] RIP: 0033:0x7f0e7852e38a
[ 235.056020][ 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
[ 235.075931][ T5449] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.084351][ T5449] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 235.092313][ T5449] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 235.100357][ T5449] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 235.108400][ T5449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.116374][ T5449] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.124446][ T5449]
[ 235.129567][ T5449] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.142862][ T5449] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.445369][ T5451] loop1: detected capacity change from 0 to 32768
[ 235.494290][ T5451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.501810][ T5451] CPU: 1 PID: 5451 Comm: syz.1.195 Not tainted syzkaller #0
[ 235.509106][ T5451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.519340][ T5451] Call Trace:
[ 235.522624][ T5451]
[ 235.525552][ T5451] dump_stack_lvl+0x168/0x230
[ 235.530252][ T5451] ? show_regs_print_info+0x20/0x20
[ 235.535464][ T5451] ? load_image+0x3b0/0x3b0
[ 235.539992][ T5451] sysfs_create_dir_ns+0x252/0x280
[ 235.545119][ T5451] ? __lock_acquire+0x7c60/0x7c60
[ 235.550154][ T5451] ? sysfs_warn_dup+0xa0/0xa0
[ 235.554840][ T5451] ? do_raw_spin_unlock+0x11d/0x230
[ 235.560048][ T5451] kobject_add_internal+0x662/0xd00
[ 235.565281][ T5451] kobject_init_and_add+0x122/0x190
[ 235.570507][ T5451] ? lockdep_softirqs_off+0x420/0x420
[ 235.575889][ T5451] ? kobject_add+0x210/0x210
[ 235.580465][ T5451] ? __init_swait_queue_head+0xa5/0x150
[ 235.586166][ T5451] gfs2_sys_fs_add+0x234/0x480
[ 235.590917][ T5451] ? gfs2_recover_set+0x240/0x240
[ 235.595934][ T5451] ? snprintf+0xd7/0x120
[ 235.600166][ T5451] ? __free_pages+0x95/0x1a0
[ 235.604747][ T5451] ? vscnprintf+0x80/0x80
[ 235.609077][ T5451] gfs2_fill_super+0x128d/0x1f50
[ 235.614022][ T5451] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.619032][ T5451] ? preempt_count_add+0x8d/0x190
[ 235.624077][ T5451] ? sb_set_blocksize+0xa5/0xe0
[ 235.628947][ T5451] get_tree_bdev+0x3f1/0x610
[ 235.633531][ T5451] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.638604][ T5451] gfs2_get_tree+0x4d/0x1e0
[ 235.643095][ T5451] vfs_get_tree+0x88/0x270
[ 235.647508][ T5451] do_new_mount+0x24a/0xa40
[ 235.652004][ T5451] __se_sys_mount+0x2d6/0x3c0
[ 235.656678][ T5451] ? __x64_sys_mount+0xc0/0xc0
[ 235.661444][ T5451] ? lockdep_hardirqs_on+0x94/0x140
[ 235.666627][ T5451] ? __x64_sys_mount+0x1c/0xc0
[ 235.671374][ T5451] do_syscall_64+0x4c/0xa0
[ 235.675777][ T5451] ? clear_bhb_loop+0x30/0x80
[ 235.680451][ T5451] ? clear_bhb_loop+0x30/0x80
[ 235.685109][ T5451] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.690981][ T5451] RIP: 0033:0x7f0e7852e38a
[ 235.695379][ 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
[ 235.714968][ T5451] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.723371][ T5451] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 235.731324][ T5451] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 235.739296][ T5451] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 235.747273][ T5451] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.755225][ T5451] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.763189][ T5451]
[ 235.766631][ T5451] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.779894][ T5451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.110716][ T5453] loop1: detected capacity change from 0 to 32768
[ 236.177059][ T5453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.184982][ T5453] CPU: 0 PID: 5453 Comm: syz.1.196 Not tainted syzkaller #0
[ 236.192550][ T5453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 236.202622][ T5453] Call Trace:
[ 236.205904][ T5453]
[ 236.208831][ T5453] dump_stack_lvl+0x168/0x230
[ 236.213524][ T5453] ? show_regs_print_info+0x20/0x20
[ 236.218729][ T5453] ? load_image+0x3b0/0x3b0
[ 236.223265][ T5453] sysfs_create_dir_ns+0x252/0x280
[ 236.228499][ T5453] ? __lock_acquire+0x7c60/0x7c60
[ 236.233538][ T5453] ? sysfs_warn_dup+0xa0/0xa0
[ 236.238230][ T5453] ? do_raw_spin_unlock+0x11d/0x230
[ 236.243444][ T5453] kobject_add_internal+0x662/0xd00
[ 236.248655][ T5453] kobject_init_and_add+0x122/0x190
[ 236.253866][ T5453] ? lockdep_softirqs_off+0x420/0x420
[ 236.259232][ T5453] ? kobject_add+0x210/0x210
[ 236.263827][ T5453] ? __init_swait_queue_head+0xa5/0x150
[ 236.269374][ T5453] gfs2_sys_fs_add+0x234/0x480
[ 236.274166][ T5453] ? gfs2_recover_set+0x240/0x240
[ 236.279184][ T5453] ? snprintf+0xd7/0x120
[ 236.283452][ T5453] ? __free_pages+0x95/0x1a0
[ 236.288044][ T5453] ? vscnprintf+0x80/0x80
[ 236.292365][ T5453] gfs2_fill_super+0x128d/0x1f50
[ 236.297320][ T5453] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.302335][ T5453] ? preempt_count_add+0x8d/0x190
[ 236.307351][ T5453] ? sb_set_blocksize+0xa5/0xe0
[ 236.312191][ T5453] get_tree_bdev+0x3f1/0x610
[ 236.316765][ T5453] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.321774][ T5453] gfs2_get_tree+0x4d/0x1e0
[ 236.326270][ T5453] vfs_get_tree+0x88/0x270
[ 236.330690][ T5453] do_new_mount+0x24a/0xa40
[ 236.335175][ T5453] __se_sys_mount+0x2d6/0x3c0
[ 236.339831][ T5453] ? __x64_sys_mount+0xc0/0xc0
[ 236.344573][ T5453] ? lockdep_hardirqs_on+0x94/0x140
[ 236.349750][ T5453] ? __x64_sys_mount+0x1c/0xc0
[ 236.354494][ T5453] do_syscall_64+0x4c/0xa0
[ 236.358892][ T5453] ? clear_bhb_loop+0x30/0x80
[ 236.363545][ T5453] ? clear_bhb_loop+0x30/0x80
[ 236.368196][ T5453] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.374068][ T5453] RIP: 0033:0x7f0e7852e38a
[ 236.378549][ 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
[ 236.398132][ T5453] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.406964][ T5453] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 236.414914][ T5453] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 236.422867][ T5453] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 236.430837][ T5453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.438798][ T5453] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.446767][ T5453]
[ 236.452969][ T5453] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.466504][ T5453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.785927][ T5455] loop1: detected capacity change from 0 to 32768
[ 236.835929][ T5455] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.843381][ T5455] CPU: 0 PID: 5455 Comm: syz.1.197 Not tainted syzkaller #0
[ 236.850763][ T5455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 236.860837][ T5455] Call Trace:
[ 236.864121][ T5455]
[ 236.867048][ T5455] dump_stack_lvl+0x168/0x230
[ 236.871738][ T5455] ? show_regs_print_info+0x20/0x20
[ 236.876954][ T5455] ? load_image+0x3b0/0x3b0
[ 236.881472][ T5455] sysfs_create_dir_ns+0x252/0x280
[ 236.886584][ T5455] ? __lock_acquire+0x7c60/0x7c60
[ 236.891615][ T5455] ? sysfs_warn_dup+0xa0/0xa0
[ 236.896304][ T5455] ? do_raw_spin_unlock+0x11d/0x230
[ 236.901513][ T5455] kobject_add_internal+0x662/0xd00
[ 236.906725][ T5455] kobject_init_and_add+0x122/0x190
[ 236.911930][ T5455] ? lockdep_softirqs_off+0x420/0x420
[ 236.917306][ T5455] ? kobject_add+0x210/0x210
[ 236.921895][ T5455] ? __init_swait_queue_head+0xa5/0x150
[ 236.927429][ T5455] gfs2_sys_fs_add+0x234/0x480
[ 236.932330][ T5455] ? gfs2_recover_set+0x240/0x240
[ 236.937342][ T5455] ? snprintf+0xd7/0x120
[ 236.941570][ T5455] ? vscnprintf+0x80/0x80
[ 236.945899][ T5455] gfs2_fill_super+0x128d/0x1f50
[ 236.950858][ T5455] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.955888][ T5455] ? preempt_count_add+0x8d/0x190
[ 236.960903][ T5455] ? sb_set_blocksize+0xa5/0xe0
[ 236.965779][ T5455] get_tree_bdev+0x3f1/0x610
[ 236.970375][ T5455] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.975385][ T5455] gfs2_get_tree+0x4d/0x1e0
[ 236.979875][ T5455] vfs_get_tree+0x88/0x270
[ 236.984274][ T5455] do_new_mount+0x24a/0xa40
[ 236.988762][ T5455] __se_sys_mount+0x2d6/0x3c0
[ 236.993423][ T5455] ? __x64_sys_mount+0xc0/0xc0
[ 236.998169][ T5455] ? lockdep_hardirqs_on+0x94/0x140
[ 237.003353][ T5455] ? __x64_sys_mount+0x1c/0xc0
[ 237.008102][ T5455] do_syscall_64+0x4c/0xa0
[ 237.012500][ T5455] ? clear_bhb_loop+0x30/0x80
[ 237.017179][ T5455] ? clear_bhb_loop+0x30/0x80
[ 237.021834][ T5455] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.027708][ T5455] RIP: 0033:0x7f0e7852e38a
[ 237.032121][ 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
[ 237.052141][ T5455] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.060540][ T5455] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 237.068493][ T5455] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 237.076447][ T5455] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 237.084831][ T5455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.092781][ T5455] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.100829][ T5455]
[ 237.106223][ T5455] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.119654][ T5455] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.455459][ T5457] loop1: detected capacity change from 0 to 32768
[ 237.526477][ T5457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.533888][ T5457] CPU: 0 PID: 5457 Comm: syz.1.198 Not tainted syzkaller #0
[ 237.541191][ T5457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 237.551250][ T5457] Call Trace:
[ 237.554534][ T5457]
[ 237.557466][ T5457] dump_stack_lvl+0x168/0x230
[ 237.562155][ T5457] ? show_regs_print_info+0x20/0x20
[ 237.567374][ T5457] ? load_image+0x3b0/0x3b0
[ 237.571907][ T5457] sysfs_create_dir_ns+0x252/0x280
[ 237.577040][ T5457] ? __lock_acquire+0x7c60/0x7c60
[ 237.582076][ T5457] ? sysfs_warn_dup+0xa0/0xa0
[ 237.586764][ T5457] ? do_raw_spin_unlock+0x11d/0x230
[ 237.591970][ T5457] kobject_add_internal+0x662/0xd00
[ 237.597187][ T5457] kobject_init_and_add+0x122/0x190
[ 237.602397][ T5457] ? lockdep_softirqs_off+0x420/0x420
[ 237.607765][ T5457] ? kobject_add+0x210/0x210
[ 237.612341][ T5457] ? __init_swait_queue_head+0xa5/0x150
[ 237.617878][ T5457] gfs2_sys_fs_add+0x234/0x480
[ 237.622639][ T5457] ? gfs2_recover_set+0x240/0x240
[ 237.627655][ T5457] ? snprintf+0xd7/0x120
[ 237.631898][ T5457] ? __free_pages+0x95/0x1a0
[ 237.636469][ T5457] ? vscnprintf+0x80/0x80
[ 237.640785][ T5457] gfs2_fill_super+0x128d/0x1f50
[ 237.645753][ T5457] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.650760][ T5457] ? preempt_count_add+0x8d/0x190
[ 237.655771][ T5457] ? sb_set_blocksize+0xa5/0xe0
[ 237.660614][ T5457] get_tree_bdev+0x3f1/0x610
[ 237.665182][ T5457] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.670192][ T5457] gfs2_get_tree+0x4d/0x1e0
[ 237.674672][ T5457] vfs_get_tree+0x88/0x270
[ 237.679068][ T5457] do_new_mount+0x24a/0xa40
[ 237.683644][ T5457] __se_sys_mount+0x2d6/0x3c0
[ 237.688309][ T5457] ? __x64_sys_mount+0xc0/0xc0
[ 237.693054][ T5457] ? lockdep_hardirqs_on+0x94/0x140
[ 237.698235][ T5457] ? __x64_sys_mount+0x1c/0xc0
[ 237.702981][ T5457] do_syscall_64+0x4c/0xa0
[ 237.707395][ T5457] ? clear_bhb_loop+0x30/0x80
[ 237.712054][ T5457] ? clear_bhb_loop+0x30/0x80
[ 237.716705][ T5457] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.722582][ T5457] RIP: 0033:0x7f0e7852e38a
[ 237.726993][ 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
[ 237.746593][ T5457] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.754988][ T5457] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 237.762964][ T5457] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 237.770925][ T5457] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 237.778875][ T5457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.786823][ T5457] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.794797][ T5457]
[ 237.800203][ T5457] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.813704][ T5457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.123150][ T5459] loop1: detected capacity change from 0 to 32768
[ 238.134836][ T5459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.142353][ T5459] CPU: 0 PID: 5459 Comm: syz.1.199 Not tainted syzkaller #0
[ 238.149645][ T5459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 238.159799][ T5459] Call Trace:
[ 238.163080][ T5459]
[ 238.166021][ T5459] dump_stack_lvl+0x168/0x230
[ 238.170729][ T5459] ? show_regs_print_info+0x20/0x20
[ 238.175938][ T5459] ? load_image+0x3b0/0x3b0
[ 238.180458][ T5459] sysfs_create_dir_ns+0x252/0x280
[ 238.185573][ T5459] ? __lock_acquire+0x7c60/0x7c60
[ 238.190582][ T5459] ? sysfs_warn_dup+0xa0/0xa0
[ 238.195238][ T5459] ? do_raw_spin_unlock+0x11d/0x230
[ 238.200511][ T5459] kobject_add_internal+0x662/0xd00
[ 238.205694][ T5459] kobject_init_and_add+0x122/0x190
[ 238.210865][ T5459] ? lockdep_softirqs_off+0x420/0x420
[ 238.216218][ T5459] ? kobject_add+0x210/0x210
[ 238.220791][ T5459] ? __init_swait_queue_head+0xa5/0x150
[ 238.226508][ T5459] gfs2_sys_fs_add+0x234/0x480
[ 238.231261][ T5459] ? gfs2_recover_set+0x240/0x240
[ 238.236277][ T5459] ? snprintf+0xd7/0x120
[ 238.240510][ T5459] ? __free_pages+0x95/0x1a0
[ 238.245101][ T5459] ? vscnprintf+0x80/0x80
[ 238.249438][ T5459] gfs2_fill_super+0x128d/0x1f50
[ 238.254367][ T5459] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.259371][ T5459] ? preempt_count_add+0x8d/0x190
[ 238.264385][ T5459] ? sb_set_blocksize+0xa5/0xe0
[ 238.269214][ T5459] get_tree_bdev+0x3f1/0x610
[ 238.273785][ T5459] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.278787][ T5459] gfs2_get_tree+0x4d/0x1e0
[ 238.283355][ T5459] vfs_get_tree+0x88/0x270
[ 238.287747][ T5459] do_new_mount+0x24a/0xa40
[ 238.292231][ T5459] __se_sys_mount+0x2d6/0x3c0
[ 238.296883][ T5459] ? __x64_sys_mount+0xc0/0xc0
[ 238.301625][ T5459] ? lockdep_hardirqs_on+0x94/0x140
[ 238.306798][ T5459] ? __x64_sys_mount+0x1c/0xc0
[ 238.311539][ T5459] do_syscall_64+0x4c/0xa0
[ 238.315932][ T5459] ? clear_bhb_loop+0x30/0x80
[ 238.320584][ T5459] ? clear_bhb_loop+0x30/0x80
[ 238.325252][ T5459] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.331119][ T5459] RIP: 0033:0x7f0e7852e38a
[ 238.335513][ 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
[ 238.355111][ T5459] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.363525][ T5459] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 238.371489][ T5459] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 238.379451][ T5459] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 238.387408][ T5459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.395373][ T5459] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.403533][ T5459]
[ 238.408740][ T5459] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.421898][ T5459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.753247][ T5461] loop1: detected capacity change from 0 to 32768
[ 238.837666][ T5461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.845070][ T5461] CPU: 0 PID: 5461 Comm: syz.1.200 Not tainted syzkaller #0
[ 238.852367][ T5461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 238.862435][ T5461] Call Trace:
[ 238.865720][ T5461]
[ 238.868653][ T5461] dump_stack_lvl+0x168/0x230
[ 238.873348][ T5461] ? show_regs_print_info+0x20/0x20
[ 238.878561][ T5461] ? load_image+0x3b0/0x3b0
[ 238.883096][ T5461] sysfs_create_dir_ns+0x252/0x280
[ 238.888224][ T5461] ? __lock_acquire+0x7c60/0x7c60
[ 238.893258][ T5461] ? sysfs_warn_dup+0xa0/0xa0
[ 238.897949][ T5461] ? do_raw_spin_unlock+0x11d/0x230
[ 238.903155][ T5461] kobject_add_internal+0x662/0xd00
[ 238.908354][ T5461] kobject_init_and_add+0x122/0x190
[ 238.913934][ T5461] ? lockdep_softirqs_off+0x420/0x420
[ 238.919457][ T5461] ? kobject_add+0x210/0x210
[ 238.924042][ T5461] ? __init_swait_queue_head+0xa5/0x150
[ 238.929677][ T5461] gfs2_sys_fs_add+0x234/0x480
[ 238.934428][ T5461] ? gfs2_recover_set+0x240/0x240
[ 238.939431][ T5461] ? snprintf+0xd7/0x120
[ 238.943652][ T5461] ? __free_pages+0x95/0x1a0
[ 238.948220][ T5461] ? vscnprintf+0x80/0x80
[ 238.952534][ T5461] gfs2_fill_super+0x128d/0x1f50
[ 238.957458][ T5461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.962521][ T5461] ? preempt_count_add+0x8d/0x190
[ 238.967533][ T5461] ? sb_set_blocksize+0xa5/0xe0
[ 238.972363][ T5461] get_tree_bdev+0x3f1/0x610
[ 238.977018][ T5461] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.982058][ T5461] gfs2_get_tree+0x4d/0x1e0
[ 238.986561][ T5461] vfs_get_tree+0x88/0x270
[ 238.990956][ T5461] do_new_mount+0x24a/0xa40
[ 238.995439][ T5461] __se_sys_mount+0x2d6/0x3c0
[ 239.000093][ T5461] ? __x64_sys_mount+0xc0/0xc0
[ 239.004831][ T5461] ? lockdep_hardirqs_on+0x94/0x140
[ 239.010002][ T5461] ? __x64_sys_mount+0x1c/0xc0
[ 239.014743][ T5461] do_syscall_64+0x4c/0xa0
[ 239.019221][ T5461] ? clear_bhb_loop+0x30/0x80
[ 239.023873][ T5461] ? clear_bhb_loop+0x30/0x80
[ 239.028526][ T5461] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.034395][ T5461] RIP: 0033:0x7f0e7852e38a
[ 239.038789][ 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
[ 239.058373][ T5461] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.066773][ T5461] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 239.074739][ T5461] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 239.082710][ T5461] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 239.090672][ T5461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.098634][ T5461] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.106596][ T5461]
[ 239.112101][ T5461] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.126139][ T5461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.434381][ T5463] loop1: detected capacity change from 0 to 32768
[ 239.484195][ T5463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.491741][ T5463] CPU: 0 PID: 5463 Comm: syz.1.201 Not tainted syzkaller #0
[ 239.499033][ T5463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 239.509086][ T5463] Call Trace:
[ 239.512377][ T5463]
[ 239.515312][ T5463] dump_stack_lvl+0x168/0x230
[ 239.520002][ T5463] ? show_regs_print_info+0x20/0x20
[ 239.525203][ T5463] ? load_image+0x3b0/0x3b0
[ 239.529811][ T5463] sysfs_create_dir_ns+0x252/0x280
[ 239.534929][ T5463] ? __lock_acquire+0x7c60/0x7c60
[ 239.539965][ T5463] ? sysfs_warn_dup+0xa0/0xa0
[ 239.544656][ T5463] ? do_raw_spin_unlock+0x11d/0x230
[ 239.549860][ T5463] kobject_add_internal+0x662/0xd00
[ 239.555079][ T5463] kobject_init_and_add+0x122/0x190
[ 239.560279][ T5463] ? lockdep_softirqs_off+0x420/0x420
[ 239.565658][ T5463] ? kobject_add+0x210/0x210
[ 239.570250][ T5463] ? __init_swait_queue_head+0xa5/0x150
[ 239.575784][ T5463] gfs2_sys_fs_add+0x234/0x480
[ 239.580628][ T5463] ? gfs2_recover_set+0x240/0x240
[ 239.585629][ T5463] ? snprintf+0xd7/0x120
[ 239.589860][ T5463] ? __free_pages+0x95/0x1a0
[ 239.594430][ T5463] ? vscnprintf+0x80/0x80
[ 239.598750][ T5463] gfs2_fill_super+0x128d/0x1f50
[ 239.603674][ T5463] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.608678][ T5463] ? preempt_count_add+0x8d/0x190
[ 239.613695][ T5463] ? sb_set_blocksize+0xa5/0xe0
[ 239.618525][ T5463] get_tree_bdev+0x3f1/0x610
[ 239.623092][ T5463] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.628111][ T5463] gfs2_get_tree+0x4d/0x1e0
[ 239.632595][ T5463] vfs_get_tree+0x88/0x270
[ 239.636995][ T5463] do_new_mount+0x24a/0xa40
[ 239.641501][ T5463] __se_sys_mount+0x2d6/0x3c0
[ 239.646165][ T5463] ? __x64_sys_mount+0xc0/0xc0
[ 239.650934][ T5463] ? lockdep_hardirqs_on+0x94/0x140
[ 239.656213][ T5463] ? __x64_sys_mount+0x1c/0xc0
[ 239.660969][ T5463] do_syscall_64+0x4c/0xa0
[ 239.665373][ T5463] ? clear_bhb_loop+0x30/0x80
[ 239.670137][ T5463] ? clear_bhb_loop+0x30/0x80
[ 239.674807][ T5463] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.680703][ T5463] RIP: 0033:0x7f0e7852e38a
[ 239.685102][ 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
[ 239.704687][ T5463] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.713081][ T5463] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 239.721462][ T5463] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 239.729414][ T5463] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 239.737377][ T5463] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.745336][ T5463] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.753323][ T5463]
[ 239.758707][ T5463] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.772119][ T5463] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:12:42 executed programs: 187
[ 240.096151][ T5465] loop1: detected capacity change from 0 to 32768
[ 240.190299][ T5465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.199151][ T5465] CPU: 0 PID: 5465 Comm: syz.1.202 Not tainted syzkaller #0
[ 240.206465][ T5465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 240.216520][ T5465] Call Trace:
[ 240.219803][ T5465]
[ 240.222736][ T5465] dump_stack_lvl+0x168/0x230
[ 240.227430][ T5465] ? show_regs_print_info+0x20/0x20
[ 240.232639][ T5465] ? load_image+0x3b0/0x3b0
[ 240.237194][ T5465] sysfs_create_dir_ns+0x252/0x280
[ 240.242317][ T5465] ? __lock_acquire+0x7c60/0x7c60
[ 240.247515][ T5465] ? sysfs_warn_dup+0xa0/0xa0
[ 240.252211][ T5465] ? do_raw_spin_unlock+0x11d/0x230
[ 240.257635][ T5465] kobject_add_internal+0x662/0xd00
[ 240.262847][ T5465] kobject_init_and_add+0x122/0x190
[ 240.268113][ T5465] ? lockdep_softirqs_off+0x420/0x420
[ 240.273470][ T5465] ? kobject_add+0x210/0x210
[ 240.278045][ T5465] ? __init_swait_queue_head+0xa5/0x150
[ 240.283573][ T5465] gfs2_sys_fs_add+0x234/0x480
[ 240.288322][ T5465] ? gfs2_recover_set+0x240/0x240
[ 240.293333][ T5465] ? snprintf+0xd7/0x120
[ 240.297565][ T5465] ? __free_pages+0x95/0x1a0
[ 240.302139][ T5465] ? vscnprintf+0x80/0x80
[ 240.306466][ T5465] gfs2_fill_super+0x128d/0x1f50
[ 240.311411][ T5465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.316421][ T5465] ? preempt_count_add+0x8d/0x190
[ 240.321433][ T5465] ? sb_set_blocksize+0xa5/0xe0
[ 240.326269][ T5465] get_tree_bdev+0x3f1/0x610
[ 240.330840][ T5465] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.335849][ T5465] gfs2_get_tree+0x4d/0x1e0
[ 240.340335][ T5465] vfs_get_tree+0x88/0x270
[ 240.344732][ T5465] do_new_mount+0x24a/0xa40
[ 240.349216][ T5465] __se_sys_mount+0x2d6/0x3c0
[ 240.353878][ T5465] ? __x64_sys_mount+0xc0/0xc0
[ 240.358623][ T5465] ? lockdep_hardirqs_on+0x94/0x140
[ 240.363807][ T5465] ? __x64_sys_mount+0x1c/0xc0
[ 240.368653][ T5465] do_syscall_64+0x4c/0xa0
[ 240.373066][ T5465] ? clear_bhb_loop+0x30/0x80
[ 240.377810][ T5465] ? clear_bhb_loop+0x30/0x80
[ 240.382468][ T5465] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.388342][ T5465] RIP: 0033:0x7f0e7852e38a
[ 240.392740][ 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
[ 240.412326][ T5465] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.420727][ T5465] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 240.428685][ T5465] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 240.436751][ T5465] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 240.444702][ T5465] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.452651][ T5465] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.460702][ T5465]
[ 240.465514][ T5465] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.478770][ T5465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.801436][ T5467] loop1: detected capacity change from 0 to 32768
[ 240.854731][ T5467] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.862249][ T5467] CPU: 1 PID: 5467 Comm: syz.1.203 Not tainted syzkaller #0
[ 240.869540][ T5467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 240.879622][ T5467] Call Trace:
[ 240.882906][ T5467]
[ 240.885842][ T5467] dump_stack_lvl+0x168/0x230
[ 240.890539][ T5467] ? show_regs_print_info+0x20/0x20
[ 240.895849][ T5467] ? load_image+0x3b0/0x3b0
[ 240.900372][ T5467] sysfs_create_dir_ns+0x252/0x280
[ 240.905488][ T5467] ? __lock_acquire+0x7c60/0x7c60
[ 240.910520][ T5467] ? sysfs_warn_dup+0xa0/0xa0
[ 240.915205][ T5467] ? do_raw_spin_unlock+0x11d/0x230
[ 240.920423][ T5467] kobject_add_internal+0x662/0xd00
[ 240.925629][ T5467] kobject_init_and_add+0x122/0x190
[ 240.930928][ T5467] ? lockdep_softirqs_off+0x420/0x420
[ 240.936306][ T5467] ? kobject_add+0x210/0x210
[ 240.940907][ T5467] ? __init_swait_queue_head+0xa5/0x150
[ 240.946456][ T5467] gfs2_sys_fs_add+0x234/0x480
[ 240.951202][ T5467] ? gfs2_recover_set+0x240/0x240
[ 240.956211][ T5467] ? snprintf+0xd7/0x120
[ 240.960447][ T5467] ? __free_pages+0x95/0x1a0
[ 240.965124][ T5467] ? vscnprintf+0x80/0x80
[ 240.969440][ T5467] gfs2_fill_super+0x128d/0x1f50
[ 240.974368][ T5467] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.979376][ T5467] ? preempt_count_add+0x8d/0x190
[ 240.984397][ T5467] ? sb_set_blocksize+0xa5/0xe0
[ 240.989243][ T5467] get_tree_bdev+0x3f1/0x610
[ 240.993820][ T5467] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.998832][ T5467] gfs2_get_tree+0x4d/0x1e0
[ 241.003335][ T5467] vfs_get_tree+0x88/0x270
[ 241.007734][ T5467] do_new_mount+0x24a/0xa40
[ 241.012222][ T5467] __se_sys_mount+0x2d6/0x3c0
[ 241.016892][ T5467] ? __x64_sys_mount+0xc0/0xc0
[ 241.021721][ T5467] ? lockdep_hardirqs_on+0x94/0x140
[ 241.026907][ T5467] ? __x64_sys_mount+0x1c/0xc0
[ 241.031658][ T5467] do_syscall_64+0x4c/0xa0
[ 241.036060][ T5467] ? clear_bhb_loop+0x30/0x80
[ 241.040744][ T5467] ? clear_bhb_loop+0x30/0x80
[ 241.045576][ T5467] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.051452][ T5467] RIP: 0033:0x7f0e7852e38a
[ 241.055948][ 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
[ 241.075550][ T5467] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.083953][ T5467] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 241.091915][ T5467] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 241.099881][ T5467] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 241.107859][ T5467] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.115823][ T5467] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.123804][ T5467]
[ 241.127152][ T5467] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.140410][ T5467] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.460132][ T5469] loop1: detected capacity change from 0 to 32768
[ 241.479158][ T5469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.486812][ T5469] CPU: 0 PID: 5469 Comm: syz.1.204 Not tainted syzkaller #0
[ 241.494110][ T5469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 241.504174][ T5469] Call Trace:
[ 241.507464][ T5469]
[ 241.510408][ T5469] dump_stack_lvl+0x168/0x230
[ 241.515105][ T5469] ? show_regs_print_info+0x20/0x20
[ 241.520320][ T5469] ? load_image+0x3b0/0x3b0
[ 241.524855][ T5469] sysfs_create_dir_ns+0x252/0x280
[ 241.529975][ T5469] ? __lock_acquire+0x7c60/0x7c60
[ 241.535006][ T5469] ? sysfs_warn_dup+0xa0/0xa0
[ 241.539776][ T5469] ? do_raw_spin_unlock+0x11d/0x230
[ 241.544981][ T5469] kobject_add_internal+0x662/0xd00
[ 241.550187][ T5469] kobject_init_and_add+0x122/0x190
[ 241.555390][ T5469] ? lockdep_softirqs_off+0x420/0x420
[ 241.560748][ T5469] ? kobject_add+0x210/0x210
[ 241.565407][ T5469] ? __init_swait_queue_head+0xa5/0x150
[ 241.570942][ T5469] gfs2_sys_fs_add+0x234/0x480
[ 241.575701][ T5469] ? gfs2_recover_set+0x240/0x240
[ 241.580717][ T5469] ? snprintf+0xd7/0x120
[ 241.584949][ T5469] ? __free_pages+0x95/0x1a0
[ 241.589533][ T5469] ? vscnprintf+0x80/0x80
[ 241.593979][ T5469] gfs2_fill_super+0x128d/0x1f50
[ 241.598927][ T5469] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.603950][ T5469] ? preempt_count_add+0x8d/0x190
[ 241.609079][ T5469] ? sb_set_blocksize+0xa5/0xe0
[ 241.614037][ T5469] get_tree_bdev+0x3f1/0x610
[ 241.618620][ T5469] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.624042][ T5469] gfs2_get_tree+0x4d/0x1e0
[ 241.628545][ T5469] vfs_get_tree+0x88/0x270
[ 241.632948][ T5469] do_new_mount+0x24a/0xa40
[ 241.637450][ T5469] __se_sys_mount+0x2d6/0x3c0
[ 241.642139][ T5469] ? __x64_sys_mount+0xc0/0xc0
[ 241.646903][ T5469] ? lockdep_hardirqs_on+0x94/0x140
[ 241.652103][ T5469] ? __x64_sys_mount+0x1c/0xc0
[ 241.656849][ T5469] do_syscall_64+0x4c/0xa0
[ 241.661244][ T5469] ? clear_bhb_loop+0x30/0x80
[ 241.666015][ T5469] ? clear_bhb_loop+0x30/0x80
[ 241.670889][ T5469] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.676775][ T5469] RIP: 0033:0x7f0e7852e38a
[ 241.681172][ 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
[ 241.700757][ T5469] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.709331][ T5469] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 241.717296][ T5469] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 241.725265][ T5469] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 241.733231][ T5469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.741191][ T5469] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.749153][ T5469]
[ 241.754469][ T5469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.767740][ T5469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.087018][ T5471] loop1: detected capacity change from 0 to 32768
[ 242.106012][ T5471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.113406][ T5471] CPU: 1 PID: 5471 Comm: syz.1.205 Not tainted syzkaller #0
[ 242.120674][ T5471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 242.130731][ T5471] Call Trace:
[ 242.134012][ T5471]
[ 242.136949][ T5471] dump_stack_lvl+0x168/0x230
[ 242.141642][ T5471] ? show_regs_print_info+0x20/0x20
[ 242.146873][ T5471] ? load_image+0x3b0/0x3b0
[ 242.151476][ T5471] sysfs_create_dir_ns+0x252/0x280
[ 242.156608][ T5471] ? __lock_acquire+0x7c60/0x7c60
[ 242.161640][ T5471] ? sysfs_warn_dup+0xa0/0xa0
[ 242.166330][ T5471] ? do_raw_spin_unlock+0x11d/0x230
[ 242.171758][ T5471] kobject_add_internal+0x662/0xd00
[ 242.176968][ T5471] kobject_init_and_add+0x122/0x190
[ 242.182185][ T5471] ? lockdep_softirqs_off+0x420/0x420
[ 242.187586][ T5471] ? kobject_add+0x210/0x210
[ 242.192187][ T5471] ? __init_swait_queue_head+0xa5/0x150
[ 242.197721][ T5471] gfs2_sys_fs_add+0x234/0x480
[ 242.202464][ T5471] ? gfs2_recover_set+0x240/0x240
[ 242.207469][ T5471] ? snprintf+0xd7/0x120
[ 242.211709][ T5471] ? __free_pages+0x95/0x1a0
[ 242.216546][ T5471] ? vscnprintf+0x80/0x80
[ 242.220855][ T5471] gfs2_fill_super+0x128d/0x1f50
[ 242.225788][ T5471] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.230808][ T5471] ? preempt_count_add+0x8d/0x190
[ 242.235827][ T5471] ? sb_set_blocksize+0xa5/0xe0
[ 242.240668][ T5471] get_tree_bdev+0x3f1/0x610
[ 242.245238][ T5471] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.250244][ T5471] gfs2_get_tree+0x4d/0x1e0
[ 242.254726][ T5471] vfs_get_tree+0x88/0x270
[ 242.259122][ T5471] do_new_mount+0x24a/0xa40
[ 242.263610][ T5471] __se_sys_mount+0x2d6/0x3c0
[ 242.268266][ T5471] ? __x64_sys_mount+0xc0/0xc0
[ 242.273005][ T5471] ? lockdep_hardirqs_on+0x94/0x140
[ 242.278184][ T5471] ? __x64_sys_mount+0x1c/0xc0
[ 242.282922][ T5471] do_syscall_64+0x4c/0xa0
[ 242.287311][ T5471] ? clear_bhb_loop+0x30/0x80
[ 242.291958][ T5471] ? clear_bhb_loop+0x30/0x80
[ 242.296607][ T5471] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.302474][ T5471] RIP: 0033:0x7f0e7852e38a
[ 242.306871][ 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
[ 242.326472][ T5471] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.334870][ T5471] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 242.342825][ T5471] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 242.350784][ T5471] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 242.358752][ T5471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.366724][ T5471] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.374689][ T5471]
[ 242.378217][ T4264] Bluetooth: hci1: command 0x0406 tx timeout
[ 242.381822][ T5471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.398361][ T5471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.719362][ T5473] loop1: detected capacity change from 0 to 32768
[ 242.738208][ T5473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.745609][ T5473] CPU: 0 PID: 5473 Comm: syz.1.206 Not tainted syzkaller #0
[ 242.752942][ T5473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 242.763009][ T5473] Call Trace:
[ 242.766300][ T5473]
[ 242.769238][ T5473] dump_stack_lvl+0x168/0x230
[ 242.773951][ T5473] ? show_regs_print_info+0x20/0x20
[ 242.779166][ T5473] ? load_image+0x3b0/0x3b0
[ 242.783689][ T5473] sysfs_create_dir_ns+0x252/0x280
[ 242.788809][ T5473] ? __lock_acquire+0x7c60/0x7c60
[ 242.793840][ T5473] ? sysfs_warn_dup+0xa0/0xa0
[ 242.798672][ T5473] ? do_raw_spin_unlock+0x11d/0x230
[ 242.803878][ T5473] kobject_add_internal+0x662/0xd00
[ 242.809088][ T5473] kobject_init_and_add+0x122/0x190
[ 242.814287][ T5473] ? lockdep_softirqs_off+0x420/0x420
[ 242.819746][ T5473] ? kobject_add+0x210/0x210
[ 242.824325][ T5473] ? __init_swait_queue_head+0xa5/0x150
[ 242.829854][ T5473] gfs2_sys_fs_add+0x234/0x480
[ 242.834609][ T5473] ? gfs2_recover_set+0x240/0x240
[ 242.839618][ T5473] ? snprintf+0xd7/0x120
[ 242.843849][ T5473] ? __free_pages+0x95/0x1a0
[ 242.848517][ T5473] ? vscnprintf+0x80/0x80
[ 242.852835][ T5473] gfs2_fill_super+0x128d/0x1f50
[ 242.857758][ T5473] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.862761][ T5473] ? preempt_count_add+0x8d/0x190
[ 242.867776][ T5473] ? sb_set_blocksize+0xa5/0xe0
[ 242.872612][ T5473] get_tree_bdev+0x3f1/0x610
[ 242.877201][ T5473] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.882302][ T5473] gfs2_get_tree+0x4d/0x1e0
[ 242.886871][ T5473] vfs_get_tree+0x88/0x270
[ 242.891269][ T5473] do_new_mount+0x24a/0xa40
[ 242.895754][ T5473] __se_sys_mount+0x2d6/0x3c0
[ 242.900437][ T5473] ? __x64_sys_mount+0xc0/0xc0
[ 242.905183][ T5473] ? lockdep_hardirqs_on+0x94/0x140
[ 242.910365][ T5473] ? __x64_sys_mount+0x1c/0xc0
[ 242.915117][ T5473] do_syscall_64+0x4c/0xa0
[ 242.919522][ T5473] ? clear_bhb_loop+0x30/0x80
[ 242.924365][ T5473] ? clear_bhb_loop+0x30/0x80
[ 242.929040][ T5473] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.934922][ T5473] RIP: 0033:0x7f0e7852e38a
[ 242.939326][ 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
[ 242.958921][ T5473] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.967328][ T5473] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 242.975284][ T5473] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 242.983243][ T5473] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 242.991197][ T5473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.999153][ T5473] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.007114][ T5473]
[ 243.012428][ T5473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.025592][ T5473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.332266][ T5475] loop1: detected capacity change from 0 to 32768
[ 243.405678][ T5475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.413780][ T5475] CPU: 1 PID: 5475 Comm: syz.1.207 Not tainted syzkaller #0
[ 243.421084][ T5475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 243.431147][ T5475] Call Trace:
[ 243.434427][ T5475]
[ 243.437359][ T5475] dump_stack_lvl+0x168/0x230
[ 243.442046][ T5475] ? show_regs_print_info+0x20/0x20
[ 243.447350][ T5475] ? load_image+0x3b0/0x3b0
[ 243.451871][ T5475] sysfs_create_dir_ns+0x252/0x280
[ 243.457009][ T5475] ? __lock_acquire+0x7c60/0x7c60
[ 243.462040][ T5475] ? sysfs_warn_dup+0xa0/0xa0
[ 243.466739][ T5475] ? do_raw_spin_unlock+0x11d/0x230
[ 243.471948][ T5475] kobject_add_internal+0x662/0xd00
[ 243.477156][ T5475] kobject_init_and_add+0x122/0x190
[ 243.482355][ T5475] ? lockdep_softirqs_off+0x420/0x420
[ 243.487726][ T5475] ? kobject_add+0x210/0x210
[ 243.492300][ T5475] ? __init_swait_queue_head+0xa5/0x150
[ 243.497832][ T5475] gfs2_sys_fs_add+0x234/0x480
[ 243.502587][ T5475] ? gfs2_recover_set+0x240/0x240
[ 243.507584][ T5475] ? snprintf+0xd7/0x120
[ 243.511803][ T5475] ? __free_pages+0x95/0x1a0
[ 243.516381][ T5475] ? vscnprintf+0x80/0x80
[ 243.520718][ T5475] gfs2_fill_super+0x128d/0x1f50
[ 243.525645][ T5475] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.530667][ T5475] ? preempt_count_add+0x8d/0x190
[ 243.535685][ T5475] ? sb_set_blocksize+0xa5/0xe0
[ 243.540519][ T5475] get_tree_bdev+0x3f1/0x610
[ 243.545102][ T5475] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.550118][ T5475] gfs2_get_tree+0x4d/0x1e0
[ 243.554601][ T5475] vfs_get_tree+0x88/0x270
[ 243.559006][ T5475] do_new_mount+0x24a/0xa40
[ 243.563512][ T5475] __se_sys_mount+0x2d6/0x3c0
[ 243.568178][ T5475] ? __x64_sys_mount+0xc0/0xc0
[ 243.572986][ T5475] ? lockdep_hardirqs_on+0x94/0x140
[ 243.578294][ T5475] ? __x64_sys_mount+0x1c/0xc0
[ 243.583054][ T5475] do_syscall_64+0x4c/0xa0
[ 243.587458][ T5475] ? clear_bhb_loop+0x30/0x80
[ 243.592162][ T5475] ? clear_bhb_loop+0x30/0x80
[ 243.596849][ T5475] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.602748][ T5475] RIP: 0033:0x7f0e7852e38a
[ 243.607340][ 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
[ 243.626933][ T5475] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.635349][ T5475] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 243.643301][ T5475] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 243.651254][ T5475] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 243.659206][ T5475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.667159][ T5475] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.675123][ T5475]
[ 243.681858][ T5475] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.695275][ T5475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.028608][ T5477] loop1: detected capacity change from 0 to 32768
[ 244.075967][ T5477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.083385][ T5477] CPU: 1 PID: 5477 Comm: syz.1.208 Not tainted syzkaller #0
[ 244.090678][ T5477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 244.100828][ T5477] Call Trace:
[ 244.104205][ T5477]
[ 244.107155][ T5477] dump_stack_lvl+0x168/0x230
[ 244.111851][ T5477] ? show_regs_print_info+0x20/0x20
[ 244.117058][ T5477] ? load_image+0x3b0/0x3b0
[ 244.121670][ T5477] sysfs_create_dir_ns+0x252/0x280
[ 244.126801][ T5477] ? __lock_acquire+0x7c60/0x7c60
[ 244.131840][ T5477] ? sysfs_warn_dup+0xa0/0xa0
[ 244.136529][ T5477] ? do_raw_spin_unlock+0x11d/0x230
[ 244.141739][ T5477] kobject_add_internal+0x662/0xd00
[ 244.146967][ T5477] kobject_init_and_add+0x122/0x190
[ 244.152175][ T5477] ? lockdep_softirqs_off+0x420/0x420
[ 244.157755][ T5477] ? kobject_add+0x210/0x210
[ 244.162335][ T5477] ? __init_swait_queue_head+0xa5/0x150
[ 244.167868][ T5477] gfs2_sys_fs_add+0x234/0x480
[ 244.172623][ T5477] ? gfs2_recover_set+0x240/0x240
[ 244.177661][ T5477] ? snprintf+0xd7/0x120
[ 244.181888][ T5477] ? __free_pages+0x95/0x1a0
[ 244.186456][ T5477] ? vscnprintf+0x80/0x80
[ 244.190789][ T5477] gfs2_fill_super+0x128d/0x1f50
[ 244.195716][ T5477] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.200721][ T5477] ? preempt_count_add+0x8d/0x190
[ 244.205735][ T5477] ? sb_set_blocksize+0xa5/0xe0
[ 244.210571][ T5477] get_tree_bdev+0x3f1/0x610
[ 244.215146][ T5477] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.220184][ T5477] gfs2_get_tree+0x4d/0x1e0
[ 244.224676][ T5477] vfs_get_tree+0x88/0x270
[ 244.229198][ T5477] do_new_mount+0x24a/0xa40
[ 244.233864][ T5477] __se_sys_mount+0x2d6/0x3c0
[ 244.238524][ T5477] ? __x64_sys_mount+0xc0/0xc0
[ 244.243363][ T5477] ? lockdep_hardirqs_on+0x94/0x140
[ 244.248538][ T5477] ? __x64_sys_mount+0x1c/0xc0
[ 244.253283][ T5477] do_syscall_64+0x4c/0xa0
[ 244.257697][ T5477] ? clear_bhb_loop+0x30/0x80
[ 244.262367][ T5477] ? clear_bhb_loop+0x30/0x80
[ 244.267019][ T5477] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.272893][ T5477] RIP: 0033:0x7f0e7852e38a
[ 244.277296][ 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
[ 244.296972][ T5477] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.305366][ T5477] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 244.313320][ T5477] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 244.321275][ T5477] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 244.329229][ T5477] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.337270][ T5477] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.345227][ T5477]
[ 244.348840][ T5477] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.362082][ T5477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.702126][ T5479] loop1: detected capacity change from 0 to 32768
[ 244.747218][ T5479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.754690][ T5479] CPU: 0 PID: 5479 Comm: syz.1.209 Not tainted syzkaller #0
[ 244.761987][ T5479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 244.772046][ T5479] Call Trace:
[ 244.775330][ T5479]
[ 244.778349][ T5479] dump_stack_lvl+0x168/0x230
[ 244.783048][ T5479] ? show_regs_print_info+0x20/0x20
[ 244.788256][ T5479] ? load_image+0x3b0/0x3b0
[ 244.792795][ T5479] sysfs_create_dir_ns+0x252/0x280
[ 244.797921][ T5479] ? __lock_acquire+0x7c60/0x7c60
[ 244.802977][ T5479] ? sysfs_warn_dup+0xa0/0xa0
[ 244.807679][ T5479] ? do_raw_spin_unlock+0x11d/0x230
[ 244.812888][ T5479] kobject_add_internal+0x662/0xd00
[ 244.818106][ T5479] kobject_init_and_add+0x122/0x190
[ 244.823311][ T5479] ? lockdep_softirqs_off+0x420/0x420
[ 244.828780][ T5479] ? kobject_add+0x210/0x210
[ 244.833357][ T5479] ? __init_swait_queue_head+0xa5/0x150
[ 244.838918][ T5479] gfs2_sys_fs_add+0x234/0x480
[ 244.843675][ T5479] ? gfs2_recover_set+0x240/0x240
[ 244.848692][ T5479] ? snprintf+0xd7/0x120
[ 244.852921][ T5479] ? __free_pages+0x95/0x1a0
[ 244.857491][ T5479] ? vscnprintf+0x80/0x80
[ 244.861821][ T5479] gfs2_fill_super+0x128d/0x1f50
[ 244.866742][ T5479] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.871758][ T5479] ? preempt_count_add+0x8d/0x190
[ 244.876773][ T5479] ? sb_set_blocksize+0xa5/0xe0
[ 244.881730][ T5479] get_tree_bdev+0x3f1/0x610
[ 244.886321][ T5479] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.891334][ T5479] gfs2_get_tree+0x4d/0x1e0
[ 244.895828][ T5479] vfs_get_tree+0x88/0x270
[ 244.900239][ T5479] do_new_mount+0x24a/0xa40
[ 244.904726][ T5479] __se_sys_mount+0x2d6/0x3c0
[ 244.909381][ T5479] ? __x64_sys_mount+0xc0/0xc0
[ 244.914130][ T5479] ? lockdep_hardirqs_on+0x94/0x140
[ 244.919303][ T5479] ? __x64_sys_mount+0x1c/0xc0
[ 244.924045][ T5479] do_syscall_64+0x4c/0xa0
[ 244.928442][ T5479] ? clear_bhb_loop+0x30/0x80
[ 244.933093][ T5479] ? clear_bhb_loop+0x30/0x80
[ 244.937800][ T5479] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.943676][ T5479] RIP: 0033:0x7f0e7852e38a
[ 244.948085][ 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
[ 244.967736][ T5479] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.976144][ T5479] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 244.984281][ T5479] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 244.992232][ T5479] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 245.000186][ T5479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.008141][ T5479] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.016371][ T5479]
[ 245.021512][ T5479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.034846][ T5479] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:12:48 executed programs: 195
[ 245.340704][ T5481] loop1: detected capacity change from 0 to 32768
[ 245.403007][ T5481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.410666][ T5481] CPU: 0 PID: 5481 Comm: syz.1.210 Not tainted syzkaller #0
[ 245.417969][ T5481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 245.428030][ T5481] Call Trace:
[ 245.431322][ T5481]
[ 245.434256][ T5481] dump_stack_lvl+0x168/0x230
[ 245.439031][ T5481] ? show_regs_print_info+0x20/0x20
[ 245.444238][ T5481] ? load_image+0x3b0/0x3b0
[ 245.448761][ T5481] sysfs_create_dir_ns+0x252/0x280
[ 245.453888][ T5481] ? __lock_acquire+0x7c60/0x7c60
[ 245.458926][ T5481] ? sysfs_warn_dup+0xa0/0xa0
[ 245.463621][ T5481] ? do_raw_spin_unlock+0x11d/0x230
[ 245.468828][ T5481] kobject_add_internal+0x662/0xd00
[ 245.474043][ T5481] kobject_init_and_add+0x122/0x190
[ 245.479249][ T5481] ? lockdep_softirqs_off+0x420/0x420
[ 245.484633][ T5481] ? kobject_add+0x210/0x210
[ 245.489231][ T5481] ? __init_swait_queue_head+0xa5/0x150
[ 245.494762][ T5481] gfs2_sys_fs_add+0x234/0x480
[ 245.499549][ T5481] ? gfs2_recover_set+0x240/0x240
[ 245.504643][ T5481] ? snprintf+0xd7/0x120
[ 245.508871][ T5481] ? __free_pages+0x95/0x1a0
[ 245.513439][ T5481] ? vscnprintf+0x80/0x80
[ 245.517794][ T5481] gfs2_fill_super+0x128d/0x1f50
[ 245.522747][ T5481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.527767][ T5481] ? preempt_count_add+0x8d/0x190
[ 245.532790][ T5481] ? sb_set_blocksize+0xa5/0xe0
[ 245.537638][ T5481] get_tree_bdev+0x3f1/0x610
[ 245.542236][ T5481] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.547240][ T5481] gfs2_get_tree+0x4d/0x1e0
[ 245.551722][ T5481] vfs_get_tree+0x88/0x270
[ 245.556122][ T5481] do_new_mount+0x24a/0xa40
[ 245.560621][ T5481] __se_sys_mount+0x2d6/0x3c0
[ 245.565342][ T5481] ? __x64_sys_mount+0xc0/0xc0
[ 245.570093][ T5481] ? lockdep_hardirqs_on+0x94/0x140
[ 245.575264][ T5481] ? __x64_sys_mount+0x1c/0xc0
[ 245.580002][ T5481] do_syscall_64+0x4c/0xa0
[ 245.584399][ T5481] ? clear_bhb_loop+0x30/0x80
[ 245.589048][ T5481] ? clear_bhb_loop+0x30/0x80
[ 245.593717][ T5481] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.599586][ T5481] RIP: 0033:0x7f0e7852e38a
[ 245.603978][ 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
[ 245.623560][ T5481] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.632070][ T5481] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 245.640050][ T5481] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 245.648018][ T5481] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 245.655976][ T5481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.663940][ T5481] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.672345][ T5481]
[ 245.677418][ T5481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.691034][ T5481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.033036][ T5483] loop1: detected capacity change from 0 to 32768
[ 246.119962][ T5483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.127509][ T5483] CPU: 1 PID: 5483 Comm: syz.1.211 Not tainted syzkaller #0
[ 246.134807][ T5483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 246.144862][ T5483] Call Trace:
[ 246.148229][ T5483]
[ 246.151159][ T5483] dump_stack_lvl+0x168/0x230
[ 246.155853][ T5483] ? show_regs_print_info+0x20/0x20
[ 246.161064][ T5483] ? load_image+0x3b0/0x3b0
[ 246.165601][ T5483] sysfs_create_dir_ns+0x252/0x280
[ 246.170724][ T5483] ? __lock_acquire+0x7c60/0x7c60
[ 246.175770][ T5483] ? sysfs_warn_dup+0xa0/0xa0
[ 246.180451][ T5483] ? do_raw_spin_unlock+0x11d/0x230
[ 246.185706][ T5483] kobject_add_internal+0x662/0xd00
[ 246.190895][ T5483] kobject_init_and_add+0x122/0x190
[ 246.196077][ T5483] ? lockdep_softirqs_off+0x420/0x420
[ 246.201428][ T5483] ? kobject_add+0x210/0x210
[ 246.205992][ T5483] ? __init_swait_queue_head+0xa5/0x150
[ 246.211524][ T5483] gfs2_sys_fs_add+0x234/0x480
[ 246.216276][ T5483] ? gfs2_recover_set+0x240/0x240
[ 246.221282][ T5483] ? snprintf+0xd7/0x120
[ 246.225510][ T5483] ? __free_pages+0x95/0x1a0
[ 246.230080][ T5483] ? vscnprintf+0x80/0x80
[ 246.234396][ T5483] gfs2_fill_super+0x128d/0x1f50
[ 246.239322][ T5483] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.244331][ T5483] ? preempt_count_add+0x8d/0x190
[ 246.249422][ T5483] ? sb_set_blocksize+0xa5/0xe0
[ 246.254342][ T5483] get_tree_bdev+0x3f1/0x610
[ 246.258912][ T5483] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.263916][ T5483] gfs2_get_tree+0x4d/0x1e0
[ 246.268396][ T5483] vfs_get_tree+0x88/0x270
[ 246.272817][ T5483] do_new_mount+0x24a/0xa40
[ 246.277314][ T5483] __se_sys_mount+0x2d6/0x3c0
[ 246.281972][ T5483] ? __x64_sys_mount+0xc0/0xc0
[ 246.286713][ T5483] ? lockdep_hardirqs_on+0x94/0x140
[ 246.291886][ T5483] ? __x64_sys_mount+0x1c/0xc0
[ 246.296627][ T5483] do_syscall_64+0x4c/0xa0
[ 246.301021][ T5483] ? clear_bhb_loop+0x30/0x80
[ 246.305683][ T5483] ? clear_bhb_loop+0x30/0x80
[ 246.310342][ T5483] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.316210][ T5483] RIP: 0033:0x7f0e7852e38a
[ 246.320602][ 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
[ 246.340198][ T5483] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.348607][ T5483] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 246.356624][ T5483] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 246.364598][ T5483] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 246.372546][ T5483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.380614][ T5483] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.388662][ T5483]
[ 246.392336][ T5483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.405644][ T5483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.746319][ T5485] loop1: detected capacity change from 0 to 32768
[ 246.817400][ T5485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.824814][ T5485] CPU: 0 PID: 5485 Comm: syz.1.212 Not tainted syzkaller #0
[ 246.832108][ T5485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 246.842256][ T5485] Call Trace:
[ 246.845541][ T5485]
[ 246.848584][ T5485] dump_stack_lvl+0x168/0x230
[ 246.853275][ T5485] ? show_regs_print_info+0x20/0x20
[ 246.858488][ T5485] ? load_image+0x3b0/0x3b0
[ 246.863013][ T5485] sysfs_create_dir_ns+0x252/0x280
[ 246.868134][ T5485] ? __lock_acquire+0x7c60/0x7c60
[ 246.873168][ T5485] ? sysfs_warn_dup+0xa0/0xa0
[ 246.877861][ T5485] ? do_raw_spin_unlock+0x11d/0x230
[ 246.883079][ T5485] kobject_add_internal+0x662/0xd00
[ 246.888289][ T5485] kobject_init_and_add+0x122/0x190
[ 246.893493][ T5485] ? lockdep_softirqs_off+0x420/0x420
[ 246.898890][ T5485] ? kobject_add+0x210/0x210
[ 246.903481][ T5485] ? __init_swait_queue_head+0xa5/0x150
[ 246.909012][ T5485] gfs2_sys_fs_add+0x234/0x480
[ 246.913772][ T5485] ? gfs2_recover_set+0x240/0x240
[ 246.918776][ T5485] ? snprintf+0xd7/0x120
[ 246.923091][ T5485] ? __free_pages+0x95/0x1a0
[ 246.927660][ T5485] ? vscnprintf+0x80/0x80
[ 246.932067][ T5485] gfs2_fill_super+0x128d/0x1f50
[ 246.936995][ T5485] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.942002][ T5485] ? preempt_count_add+0x8d/0x190
[ 246.947022][ T5485] ? sb_set_blocksize+0xa5/0xe0
[ 246.951855][ T5485] get_tree_bdev+0x3f1/0x610
[ 246.956428][ T5485] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.961447][ T5485] gfs2_get_tree+0x4d/0x1e0
[ 246.965933][ T5485] vfs_get_tree+0x88/0x270
[ 246.970343][ T5485] do_new_mount+0x24a/0xa40
[ 246.974843][ T5485] __se_sys_mount+0x2d6/0x3c0
[ 246.979510][ T5485] ? __x64_sys_mount+0xc0/0xc0
[ 246.984255][ T5485] ? lockdep_hardirqs_on+0x94/0x140
[ 246.989432][ T5485] ? __x64_sys_mount+0x1c/0xc0
[ 246.994268][ T5485] do_syscall_64+0x4c/0xa0
[ 246.998661][ T5485] ? clear_bhb_loop+0x30/0x80
[ 247.003311][ T5485] ? clear_bhb_loop+0x30/0x80
[ 247.007960][ T5485] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.013836][ T5485] RIP: 0033:0x7f0e7852e38a
[ 247.018234][ 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
[ 247.037819][ T5485] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.046231][ T5485] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 247.054203][ T5485] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 247.062159][ T5485] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 247.070108][ T5485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.078147][ T5485] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.086131][ T5485]
[ 247.091458][ T5485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.104857][ T5485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.415003][ T5487] loop1: detected capacity change from 0 to 32768
[ 247.468513][ T5487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.484046][ T5487] CPU: 0 PID: 5487 Comm: syz.1.213 Not tainted syzkaller #0
[ 247.491366][ T5487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 247.501432][ T5487] Call Trace:
[ 247.504719][ T5487]
[ 247.507670][ T5487] dump_stack_lvl+0x168/0x230
[ 247.512414][ T5487] ? show_regs_print_info+0x20/0x20
[ 247.517623][ T5487] ? load_image+0x3b0/0x3b0
[ 247.522148][ T5487] sysfs_create_dir_ns+0x252/0x280
[ 247.527271][ T5487] ? __lock_acquire+0x7c60/0x7c60
[ 247.532353][ T5487] ? sysfs_warn_dup+0xa0/0xa0
[ 247.537046][ T5487] ? do_raw_spin_unlock+0x11d/0x230
[ 247.542253][ T5487] kobject_add_internal+0x662/0xd00
[ 247.547544][ T5487] kobject_init_and_add+0x122/0x190
[ 247.553095][ T5487] ? lockdep_softirqs_off+0x420/0x420
[ 247.558569][ T5487] ? kobject_add+0x210/0x210
[ 247.563161][ T5487] ? __init_swait_queue_head+0xa5/0x150
[ 247.568691][ T5487] gfs2_sys_fs_add+0x234/0x480
[ 247.573443][ T5487] ? gfs2_recover_set+0x240/0x240
[ 247.578442][ T5487] ? snprintf+0xd7/0x120
[ 247.582663][ T5487] ? __free_pages+0x95/0x1a0
[ 247.587234][ T5487] ? vscnprintf+0x80/0x80
[ 247.591567][ T5487] gfs2_fill_super+0x128d/0x1f50
[ 247.596499][ T5487] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.601511][ T5487] ? preempt_count_add+0x8d/0x190
[ 247.606617][ T5487] ? sb_set_blocksize+0xa5/0xe0
[ 247.611469][ T5487] get_tree_bdev+0x3f1/0x610
[ 247.616062][ T5487] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.621067][ T5487] gfs2_get_tree+0x4d/0x1e0
[ 247.625549][ T5487] vfs_get_tree+0x88/0x270
[ 247.629950][ T5487] do_new_mount+0x24a/0xa40
[ 247.634444][ T5487] __se_sys_mount+0x2d6/0x3c0
[ 247.639102][ T5487] ? __x64_sys_mount+0xc0/0xc0
[ 247.643845][ T5487] ? lockdep_hardirqs_on+0x94/0x140
[ 247.649020][ T5487] ? __x64_sys_mount+0x1c/0xc0
[ 247.653763][ T5487] do_syscall_64+0x4c/0xa0
[ 247.658158][ T5487] ? clear_bhb_loop+0x30/0x80
[ 247.662809][ T5487] ? clear_bhb_loop+0x30/0x80
[ 247.667470][ T5487] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.673577][ T5487] RIP: 0033:0x7f0e7852e38a
[ 247.677985][ 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
[ 247.697663][ T5487] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.706065][ T5487] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 247.714121][ T5487] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 247.722088][ T5487] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 247.730042][ T5487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.737993][ T5487] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.745974][ T5487]
[ 247.751009][ T5487] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.764395][ T5487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.088050][ T5489] loop1: detected capacity change from 0 to 32768
[ 248.179585][ T5489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.188736][ T5489] CPU: 0 PID: 5489 Comm: syz.1.214 Not tainted syzkaller #0
[ 248.196042][ T5489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 248.206105][ T5489] Call Trace:
[ 248.209393][ T5489]
[ 248.212327][ T5489] dump_stack_lvl+0x168/0x230
[ 248.217016][ T5489] ? show_regs_print_info+0x20/0x20
[ 248.222220][ T5489] ? load_image+0x3b0/0x3b0
[ 248.226731][ T5489] sysfs_create_dir_ns+0x252/0x280
[ 248.231826][ T5489] ? __lock_acquire+0x7c60/0x7c60
[ 248.236840][ T5489] ? sysfs_warn_dup+0xa0/0xa0
[ 248.241511][ T5489] ? do_raw_spin_unlock+0x11d/0x230
[ 248.246701][ T5489] kobject_add_internal+0x662/0xd00
[ 248.251899][ T5489] kobject_init_and_add+0x122/0x190
[ 248.257078][ T5489] ? lockdep_softirqs_off+0x420/0x420
[ 248.262451][ T5489] ? kobject_add+0x210/0x210
[ 248.267019][ T5489] ? __init_swait_queue_head+0xa5/0x150
[ 248.272557][ T5489] gfs2_sys_fs_add+0x234/0x480
[ 248.277318][ T5489] ? gfs2_recover_set+0x240/0x240
[ 248.282322][ T5489] ? snprintf+0xd7/0x120
[ 248.286542][ T5489] ? __free_pages+0x95/0x1a0
[ 248.291105][ T5489] ? vscnprintf+0x80/0x80
[ 248.295423][ T5489] gfs2_fill_super+0x128d/0x1f50
[ 248.300375][ T5489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.305566][ T5489] ? preempt_count_add+0x8d/0x190
[ 248.310574][ T5489] ? sb_set_blocksize+0xa5/0xe0
[ 248.315417][ T5489] get_tree_bdev+0x3f1/0x610
[ 248.320004][ T5489] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.325015][ T5489] gfs2_get_tree+0x4d/0x1e0
[ 248.329503][ T5489] vfs_get_tree+0x88/0x270
[ 248.333947][ T5489] do_new_mount+0x24a/0xa40
[ 248.338522][ T5489] __se_sys_mount+0x2d6/0x3c0
[ 248.343186][ T5489] ? __x64_sys_mount+0xc0/0xc0
[ 248.347931][ T5489] ? lockdep_hardirqs_on+0x94/0x140
[ 248.353109][ T5489] ? __x64_sys_mount+0x1c/0xc0
[ 248.357849][ T5489] do_syscall_64+0x4c/0xa0
[ 248.362241][ T5489] ? clear_bhb_loop+0x30/0x80
[ 248.366978][ T5489] ? clear_bhb_loop+0x30/0x80
[ 248.371635][ T5489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.377514][ T5489] RIP: 0033:0x7f0e7852e38a
[ 248.381997][ 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
[ 248.401695][ T5489] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.410109][ T5489] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 248.418090][ T5489] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 248.426045][ T5489] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 248.434017][ T5489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.441972][ T5489] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.450024][ T5489]
[ 248.455508][ T5489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.468672][ T5489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.772251][ T5491] loop1: detected capacity change from 0 to 32768
[ 248.835774][ T5491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.843300][ T5491] CPU: 0 PID: 5491 Comm: syz.1.215 Not tainted syzkaller #0
[ 248.850585][ T5491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 248.860648][ T5491] Call Trace:
[ 248.863934][ T5491]
[ 248.866864][ T5491] dump_stack_lvl+0x168/0x230
[ 248.871547][ T5491] ? show_regs_print_info+0x20/0x20
[ 248.876750][ T5491] ? load_image+0x3b0/0x3b0
[ 248.881276][ T5491] sysfs_create_dir_ns+0x252/0x280
[ 248.886444][ T5491] ? __lock_acquire+0x7c60/0x7c60
[ 248.891470][ T5491] ? sysfs_warn_dup+0xa0/0xa0
[ 248.896147][ T5491] ? do_raw_spin_unlock+0x11d/0x230
[ 248.901511][ T5491] kobject_add_internal+0x662/0xd00
[ 248.906736][ T5491] kobject_init_and_add+0x122/0x190
[ 248.911937][ T5491] ? lockdep_softirqs_off+0x420/0x420
[ 248.917404][ T5491] ? kobject_add+0x210/0x210
[ 248.922013][ T5491] ? __init_swait_queue_head+0xa5/0x150
[ 248.927615][ T5491] gfs2_sys_fs_add+0x234/0x480
[ 248.932484][ T5491] ? gfs2_recover_set+0x240/0x240
[ 248.937518][ T5491] ? snprintf+0xd7/0x120
[ 248.941770][ T5491] ? __free_pages+0x95/0x1a0
[ 248.946348][ T5491] ? vscnprintf+0x80/0x80
[ 248.950668][ T5491] gfs2_fill_super+0x128d/0x1f50
[ 248.955603][ T5491] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.960614][ T5491] ? preempt_count_add+0x8d/0x190
[ 248.965627][ T5491] ? sb_set_blocksize+0xa5/0xe0
[ 248.970484][ T5491] get_tree_bdev+0x3f1/0x610
[ 248.975153][ T5491] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.980173][ T5491] gfs2_get_tree+0x4d/0x1e0
[ 248.984670][ T5491] vfs_get_tree+0x88/0x270
[ 248.989106][ T5491] do_new_mount+0x24a/0xa40
[ 248.993598][ T5491] __se_sys_mount+0x2d6/0x3c0
[ 248.998294][ T5491] ? __x64_sys_mount+0xc0/0xc0
[ 249.003041][ T5491] ? lockdep_hardirqs_on+0x94/0x140
[ 249.008216][ T5491] ? __x64_sys_mount+0x1c/0xc0
[ 249.012960][ T5491] do_syscall_64+0x4c/0xa0
[ 249.017369][ T5491] ? clear_bhb_loop+0x30/0x80
[ 249.022039][ T5491] ? clear_bhb_loop+0x30/0x80
[ 249.026693][ T5491] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.032562][ T5491] RIP: 0033:0x7f0e7852e38a
[ 249.037049][ 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
[ 249.056666][ T5491] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.065084][ T5491] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 249.073164][ T5491] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 249.081129][ T5491] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 249.089094][ T5491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.097059][ T5491] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.105052][ T5491]
[ 249.110153][ T5491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.123333][ T5491] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.430790][ T5493] loop1: detected capacity change from 0 to 32768
[ 249.484818][ T5493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.492319][ T5493] CPU: 1 PID: 5493 Comm: syz.1.216 Not tainted syzkaller #0
[ 249.499615][ T5493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 249.509764][ T5493] Call Trace:
[ 249.513047][ T5493]
[ 249.515980][ T5493] dump_stack_lvl+0x168/0x230
[ 249.520665][ T5493] ? show_regs_print_info+0x20/0x20
[ 249.525866][ T5493] ? load_image+0x3b0/0x3b0
[ 249.530382][ T5493] sysfs_create_dir_ns+0x252/0x280
[ 249.535537][ T5493] ? __lock_acquire+0x7c60/0x7c60
[ 249.540597][ T5493] ? sysfs_warn_dup+0xa0/0xa0
[ 249.545298][ T5493] ? do_raw_spin_unlock+0x11d/0x230
[ 249.550507][ T5493] kobject_add_internal+0x662/0xd00
[ 249.555728][ T5493] kobject_init_and_add+0x122/0x190
[ 249.560936][ T5493] ? lockdep_softirqs_off+0x420/0x420
[ 249.566321][ T5493] ? kobject_add+0x210/0x210
[ 249.570946][ T5493] ? __init_swait_queue_head+0xa5/0x150
[ 249.576574][ T5493] gfs2_sys_fs_add+0x234/0x480
[ 249.581320][ T5493] ? gfs2_recover_set+0x240/0x240
[ 249.586319][ T5493] ? snprintf+0xd7/0x120
[ 249.590542][ T5493] ? __free_pages+0x95/0x1a0
[ 249.595118][ T5493] ? vscnprintf+0x80/0x80
[ 249.599473][ T5493] gfs2_fill_super+0x128d/0x1f50
[ 249.604437][ T5493] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.609449][ T5493] ? preempt_count_add+0x8d/0x190
[ 249.614463][ T5493] ? sb_set_blocksize+0xa5/0xe0
[ 249.619298][ T5493] get_tree_bdev+0x3f1/0x610
[ 249.623895][ T5493] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.628918][ T5493] gfs2_get_tree+0x4d/0x1e0
[ 249.633403][ T5493] vfs_get_tree+0x88/0x270
[ 249.637800][ T5493] do_new_mount+0x24a/0xa40
[ 249.642285][ T5493] __se_sys_mount+0x2d6/0x3c0
[ 249.646950][ T5493] ? __x64_sys_mount+0xc0/0xc0
[ 249.651710][ T5493] ? lockdep_hardirqs_on+0x94/0x140
[ 249.656888][ T5493] ? __x64_sys_mount+0x1c/0xc0
[ 249.661654][ T5493] do_syscall_64+0x4c/0xa0
[ 249.666053][ T5493] ? clear_bhb_loop+0x30/0x80
[ 249.670859][ T5493] ? clear_bhb_loop+0x30/0x80
[ 249.675525][ T5493] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.681406][ T5493] RIP: 0033:0x7f0e7852e38a
[ 249.685812][ 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
[ 249.705414][ T5493] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.713819][ T5493] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 249.721776][ T5493] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 249.729734][ T5493] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 249.737688][ T5493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.745640][ T5493] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.753604][ T5493]
[ 249.757134][ T5493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.770463][ T5493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.108787][ T5495] loop1: detected capacity change from 0 to 32768
[ 250.219626][ T5495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.227136][ T5495] CPU: 1 PID: 5495 Comm: syz.1.217 Not tainted syzkaller #0
[ 250.234436][ T5495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 250.244503][ T5495] Call Trace:
[ 250.247788][ T5495]
[ 250.250727][ T5495] dump_stack_lvl+0x168/0x230
[ 250.255420][ T5495] ? show_regs_print_info+0x20/0x20
[ 250.260635][ T5495] ? load_image+0x3b0/0x3b0
[ 250.265173][ T5495] sysfs_create_dir_ns+0x252/0x280
[ 250.270296][ T5495] ? __lock_acquire+0x7c60/0x7c60
[ 250.275334][ T5495] ? sysfs_warn_dup+0xa0/0xa0
[ 250.280017][ T5495] ? do_raw_spin_unlock+0x11d/0x230
[ 250.285199][ T5495] kobject_add_internal+0x662/0xd00
[ 250.290392][ T5495] kobject_init_and_add+0x122/0x190
[ 250.295569][ T5495] ? lockdep_softirqs_off+0x420/0x420
[ 250.300919][ T5495] ? kobject_add+0x210/0x210
[ 250.305492][ T5495] ? __init_swait_queue_head+0xa5/0x150
[ 250.311021][ T5495] gfs2_sys_fs_add+0x234/0x480
[ 250.315777][ T5495] ? gfs2_recover_set+0x240/0x240
[ 250.320795][ T5495] ? snprintf+0xd7/0x120
[ 250.325020][ T5495] ? __free_pages+0x95/0x1a0
[ 250.329604][ T5495] ? vscnprintf+0x80/0x80
[ 250.333918][ T5495] gfs2_fill_super+0x128d/0x1f50
[ 250.338841][ T5495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.343843][ T5495] ? preempt_count_add+0x8d/0x190
[ 250.348850][ T5495] ? sb_set_blocksize+0xa5/0xe0
[ 250.353683][ T5495] get_tree_bdev+0x3f1/0x610
[ 250.358252][ T5495] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.363253][ T5495] gfs2_get_tree+0x4d/0x1e0
[ 250.367732][ T5495] vfs_get_tree+0x88/0x270
[ 250.372273][ T5495] do_new_mount+0x24a/0xa40
[ 250.376779][ T5495] __se_sys_mount+0x2d6/0x3c0
[ 250.381637][ T5495] ? __x64_sys_mount+0xc0/0xc0
[ 250.386407][ T5495] ? lockdep_hardirqs_on+0x94/0x140
[ 250.391598][ T5495] ? __x64_sys_mount+0x1c/0xc0
[ 250.396347][ T5495] do_syscall_64+0x4c/0xa0
[ 250.400747][ T5495] ? clear_bhb_loop+0x30/0x80
[ 250.405405][ T5495] ? clear_bhb_loop+0x30/0x80
[ 250.410068][ T5495] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.415944][ T5495] RIP: 0033:0x7f0e7852e38a
[ 250.420356][ 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
[ 250.440210][ T5495] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.448648][ T5495] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 250.456601][ T5495] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 250.464550][ T5495] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 250.472500][ T5495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.480454][ T5495] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.488416][ T5495]
[ 250.493374][ T5495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.506531][ T5495] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:12:53 executed programs: 203
[ 250.819738][ T5497] loop1: detected capacity change from 0 to 32768
[ 250.911804][ T5497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.924186][ T5497] CPU: 0 PID: 5497 Comm: syz.1.218 Not tainted syzkaller #0
[ 250.931504][ T5497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 250.941575][ T5497] Call Trace:
[ 250.945318][ T5497]
[ 250.948254][ T5497] dump_stack_lvl+0x168/0x230
[ 250.952940][ T5497] ? show_regs_print_info+0x20/0x20
[ 250.958156][ T5497] ? load_image+0x3b0/0x3b0
[ 250.962681][ T5497] sysfs_create_dir_ns+0x252/0x280
[ 250.967897][ T5497] ? __lock_acquire+0x7c60/0x7c60
[ 250.972928][ T5497] ? sysfs_warn_dup+0xa0/0xa0
[ 250.977616][ T5497] ? do_raw_spin_unlock+0x11d/0x230
[ 250.982920][ T5497] kobject_add_internal+0x662/0xd00
[ 250.988133][ T5497] kobject_init_and_add+0x122/0x190
[ 250.993332][ T5497] ? lockdep_softirqs_off+0x420/0x420
[ 250.998713][ T5497] ? kobject_add+0x210/0x210
[ 251.003287][ T5497] ? __init_swait_queue_head+0xa5/0x150
[ 251.008808][ T5497] gfs2_sys_fs_add+0x234/0x480
[ 251.013552][ T5497] ? gfs2_recover_set+0x240/0x240
[ 251.018559][ T5497] ? snprintf+0xd7/0x120
[ 251.022802][ T5497] ? __free_pages+0x95/0x1a0
[ 251.027387][ T5497] ? vscnprintf+0x80/0x80
[ 251.031701][ T5497] gfs2_fill_super+0x128d/0x1f50
[ 251.036624][ T5497] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.041633][ T5497] ? preempt_count_add+0x8d/0x190
[ 251.046642][ T5497] ? sb_set_blocksize+0xa5/0xe0
[ 251.051472][ T5497] get_tree_bdev+0x3f1/0x610
[ 251.056042][ T5497] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.061043][ T5497] gfs2_get_tree+0x4d/0x1e0
[ 251.065519][ T5497] vfs_get_tree+0x88/0x270
[ 251.069922][ T5497] do_new_mount+0x24a/0xa40
[ 251.074411][ T5497] __se_sys_mount+0x2d6/0x3c0
[ 251.079246][ T5497] ? __x64_sys_mount+0xc0/0xc0
[ 251.084006][ T5497] ? lockdep_hardirqs_on+0x94/0x140
[ 251.089180][ T5497] ? __x64_sys_mount+0x1c/0xc0
[ 251.094183][ T5497] do_syscall_64+0x4c/0xa0
[ 251.098601][ T5497] ? clear_bhb_loop+0x30/0x80
[ 251.103252][ T5497] ? clear_bhb_loop+0x30/0x80
[ 251.107906][ T5497] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.113957][ T5497] RIP: 0033:0x7f0e7852e38a
[ 251.118364][ 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
[ 251.138058][ T5497] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.146451][ T5497] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 251.154424][ T5497] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 251.162402][ T5497] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 251.170365][ T5497] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.178522][ T5497] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.186588][ T5497]
[ 251.191766][ T5497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.205082][ T5497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.538004][ T5499] loop1: detected capacity change from 0 to 32768
[ 251.584355][ T5499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.591912][ T5499] CPU: 0 PID: 5499 Comm: syz.1.219 Not tainted syzkaller #0
[ 251.599234][ T5499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 251.609300][ T5499] Call Trace:
[ 251.612593][ T5499]
[ 251.615533][ T5499] dump_stack_lvl+0x168/0x230
[ 251.620223][ T5499] ? show_regs_print_info+0x20/0x20
[ 251.625430][ T5499] ? load_image+0x3b0/0x3b0
[ 251.629950][ T5499] sysfs_create_dir_ns+0x252/0x280
[ 251.635073][ T5499] ? __lock_acquire+0x7c60/0x7c60
[ 251.640109][ T5499] ? sysfs_warn_dup+0xa0/0xa0
[ 251.644807][ T5499] ? do_raw_spin_unlock+0x11d/0x230
[ 251.650015][ T5499] kobject_add_internal+0x662/0xd00
[ 251.655227][ T5499] kobject_init_and_add+0x122/0x190
[ 251.660432][ T5499] ? lockdep_softirqs_off+0x420/0x420
[ 251.665824][ T5499] ? kobject_add+0x210/0x210
[ 251.670509][ T5499] ? __init_swait_queue_head+0xa5/0x150
[ 251.676220][ T5499] gfs2_sys_fs_add+0x234/0x480
[ 251.680969][ T5499] ? gfs2_recover_set+0x240/0x240
[ 251.685973][ T5499] ? snprintf+0xd7/0x120
[ 251.690202][ T5499] ? __free_pages+0x95/0x1a0
[ 251.694774][ T5499] ? vscnprintf+0x80/0x80
[ 251.699097][ T5499] gfs2_fill_super+0x128d/0x1f50
[ 251.704032][ T5499] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.709038][ T5499] ? preempt_count_add+0x8d/0x190
[ 251.714048][ T5499] ? sb_set_blocksize+0xa5/0xe0
[ 251.718876][ T5499] get_tree_bdev+0x3f1/0x610
[ 251.723450][ T5499] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.728452][ T5499] gfs2_get_tree+0x4d/0x1e0
[ 251.732939][ T5499] vfs_get_tree+0x88/0x270
[ 251.737336][ T5499] do_new_mount+0x24a/0xa40
[ 251.741829][ T5499] __se_sys_mount+0x2d6/0x3c0
[ 251.746493][ T5499] ? __x64_sys_mount+0xc0/0xc0
[ 251.751257][ T5499] ? lockdep_hardirqs_on+0x94/0x140
[ 251.756438][ T5499] ? __x64_sys_mount+0x1c/0xc0
[ 251.761181][ T5499] do_syscall_64+0x4c/0xa0
[ 251.765573][ T5499] ? clear_bhb_loop+0x30/0x80
[ 251.770332][ T5499] ? clear_bhb_loop+0x30/0x80
[ 251.774992][ T5499] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.780867][ T5499] RIP: 0033:0x7f0e7852e38a
[ 251.785271][ 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
[ 251.804863][ T5499] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.813350][ T5499] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 251.821306][ T5499] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 251.829256][ T5499] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 251.837209][ T5499] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.845173][ T5499] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.853150][ T5499]
[ 251.858075][ T5499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.871241][ T5499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.183801][ T5501] loop1: detected capacity change from 0 to 32768
[ 252.236042][ T5501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.243450][ T5501] CPU: 0 PID: 5501 Comm: syz.1.220 Not tainted syzkaller #0
[ 252.250745][ T5501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 252.260809][ T5501] Call Trace:
[ 252.264100][ T5501]
[ 252.267036][ T5501] dump_stack_lvl+0x168/0x230
[ 252.271729][ T5501] ? show_regs_print_info+0x20/0x20
[ 252.276935][ T5501] ? load_image+0x3b0/0x3b0
[ 252.281453][ T5501] sysfs_create_dir_ns+0x252/0x280
[ 252.286585][ T5501] ? __lock_acquire+0x7c60/0x7c60
[ 252.291623][ T5501] ? sysfs_warn_dup+0xa0/0xa0
[ 252.296312][ T5501] ? do_raw_spin_unlock+0x11d/0x230
[ 252.301519][ T5501] kobject_add_internal+0x662/0xd00
[ 252.306915][ T5501] kobject_init_and_add+0x122/0x190
[ 252.312114][ T5501] ? lockdep_softirqs_off+0x420/0x420
[ 252.317489][ T5501] ? kobject_add+0x210/0x210
[ 252.322084][ T5501] ? __init_swait_queue_head+0xa5/0x150
[ 252.327614][ T5501] gfs2_sys_fs_add+0x234/0x480
[ 252.332458][ T5501] ? gfs2_recover_set+0x240/0x240
[ 252.337472][ T5501] ? snprintf+0xd7/0x120
[ 252.341725][ T5501] ? __free_pages+0x95/0x1a0
[ 252.346305][ T5501] ? vscnprintf+0x80/0x80
[ 252.350636][ T5501] gfs2_fill_super+0x128d/0x1f50
[ 252.355649][ T5501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.360655][ T5501] ? preempt_count_add+0x8d/0x190
[ 252.365665][ T5501] ? sb_set_blocksize+0xa5/0xe0
[ 252.370496][ T5501] get_tree_bdev+0x3f1/0x610
[ 252.375102][ T5501] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.380119][ T5501] gfs2_get_tree+0x4d/0x1e0
[ 252.384601][ T5501] vfs_get_tree+0x88/0x270
[ 252.388999][ T5501] do_new_mount+0x24a/0xa40
[ 252.393576][ T5501] __se_sys_mount+0x2d6/0x3c0
[ 252.398247][ T5501] ? __x64_sys_mount+0xc0/0xc0
[ 252.403079][ T5501] ? lockdep_hardirqs_on+0x94/0x140
[ 252.408252][ T5501] ? __x64_sys_mount+0x1c/0xc0
[ 252.413003][ T5501] do_syscall_64+0x4c/0xa0
[ 252.417394][ T5501] ? clear_bhb_loop+0x30/0x80
[ 252.422069][ T5501] ? clear_bhb_loop+0x30/0x80
[ 252.426720][ T5501] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.432592][ T5501] RIP: 0033:0x7f0e7852e38a
[ 252.436988][ 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
[ 252.456607][ T5501] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.465029][ T5501] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 252.472996][ T5501] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 252.480975][ T5501] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 252.489021][ T5501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.497077][ T5501] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.505071][ T5501]
[ 252.510043][ T5501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.523297][ T5501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.830765][ T5503] loop1: detected capacity change from 0 to 32768
[ 252.884672][ T5503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.892580][ T5503] CPU: 0 PID: 5503 Comm: syz.1.221 Not tainted syzkaller #0
[ 252.899894][ T5503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 252.909960][ T5503] Call Trace:
[ 252.913384][ T5503]
[ 252.916323][ T5503] dump_stack_lvl+0x168/0x230
[ 252.921050][ T5503] ? show_regs_print_info+0x20/0x20
[ 252.926268][ T5503] ? load_image+0x3b0/0x3b0
[ 252.930972][ T5503] sysfs_create_dir_ns+0x252/0x280
[ 252.936098][ T5503] ? __lock_acquire+0x7c60/0x7c60
[ 252.941130][ T5503] ? sysfs_warn_dup+0xa0/0xa0
[ 252.945816][ T5503] ? do_raw_spin_unlock+0x11d/0x230
[ 252.951037][ T5503] kobject_add_internal+0x662/0xd00
[ 252.956256][ T5503] kobject_init_and_add+0x122/0x190
[ 252.961457][ T5503] ? lockdep_softirqs_off+0x420/0x420
[ 252.966832][ T5503] ? kobject_add+0x210/0x210
[ 252.971422][ T5503] ? __init_swait_queue_head+0xa5/0x150
[ 252.977036][ T5503] gfs2_sys_fs_add+0x234/0x480
[ 252.981799][ T5503] ? gfs2_recover_set+0x240/0x240
[ 252.986817][ T5503] ? snprintf+0xd7/0x120
[ 252.991059][ T5503] ? __free_pages+0x95/0x1a0
[ 252.995643][ T5503] ? vscnprintf+0x80/0x80
[ 252.999957][ T5503] gfs2_fill_super+0x128d/0x1f50
[ 253.004884][ T5503] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.009887][ T5503] ? preempt_count_add+0x8d/0x190
[ 253.014908][ T5503] ? sb_set_blocksize+0xa5/0xe0
[ 253.019757][ T5503] get_tree_bdev+0x3f1/0x610
[ 253.024333][ T5503] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.029347][ T5503] gfs2_get_tree+0x4d/0x1e0
[ 253.033842][ T5503] vfs_get_tree+0x88/0x270
[ 253.038245][ T5503] do_new_mount+0x24a/0xa40
[ 253.042734][ T5503] __se_sys_mount+0x2d6/0x3c0
[ 253.047408][ T5503] ? __x64_sys_mount+0xc0/0xc0
[ 253.052603][ T5503] ? lockdep_hardirqs_on+0x94/0x140
[ 253.057781][ T5503] ? __x64_sys_mount+0x1c/0xc0
[ 253.062530][ T5503] do_syscall_64+0x4c/0xa0
[ 253.066925][ T5503] ? clear_bhb_loop+0x30/0x80
[ 253.071599][ T5503] ? clear_bhb_loop+0x30/0x80
[ 253.076360][ T5503] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.082253][ T5503] RIP: 0033:0x7f0e7852e38a
[ 253.086655][ 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
[ 253.106259][ T5503] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.114690][ T5503] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 253.122663][ T5503] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 253.130705][ T5503] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 253.138660][ T5503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.146707][ T5503] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.154688][ T5503]
[ 253.159731][ T5503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.172879][ T5503] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.504825][ T5505] loop1: detected capacity change from 0 to 32768
[ 253.574038][ T5505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.582183][ T5505] CPU: 1 PID: 5505 Comm: syz.1.222 Not tainted syzkaller #0
[ 253.589750][ T5505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 253.599939][ T5505] Call Trace:
[ 253.603222][ T5505]
[ 253.606151][ T5505] dump_stack_lvl+0x168/0x230
[ 253.610845][ T5505] ? show_regs_print_info+0x20/0x20
[ 253.616060][ T5505] ? load_image+0x3b0/0x3b0
[ 253.620586][ T5505] sysfs_create_dir_ns+0x252/0x280
[ 253.625703][ T5505] ? __lock_acquire+0x7c60/0x7c60
[ 253.630734][ T5505] ? sysfs_warn_dup+0xa0/0xa0
[ 253.635427][ T5505] ? do_raw_spin_unlock+0x11d/0x230
[ 253.640638][ T5505] kobject_add_internal+0x662/0xd00
[ 253.645869][ T5505] kobject_init_and_add+0x122/0x190
[ 253.651075][ T5505] ? lockdep_softirqs_off+0x420/0x420
[ 253.656436][ T5505] ? kobject_add+0x210/0x210
[ 253.661009][ T5505] ? __init_swait_queue_head+0xa5/0x150
[ 253.666642][ T5505] gfs2_sys_fs_add+0x234/0x480
[ 253.671398][ T5505] ? gfs2_recover_set+0x240/0x240
[ 253.676428][ T5505] ? snprintf+0xd7/0x120
[ 253.680789][ T5505] ? __free_pages+0x95/0x1a0
[ 253.685376][ T5505] ? vscnprintf+0x80/0x80
[ 253.689715][ T5505] gfs2_fill_super+0x128d/0x1f50
[ 253.694662][ T5505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.699693][ T5505] ? preempt_count_add+0x8d/0x190
[ 253.704711][ T5505] ? sb_set_blocksize+0xa5/0xe0
[ 253.709657][ T5505] get_tree_bdev+0x3f1/0x610
[ 253.714284][ T5505] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.719301][ T5505] gfs2_get_tree+0x4d/0x1e0
[ 253.723809][ T5505] vfs_get_tree+0x88/0x270
[ 253.728218][ T5505] do_new_mount+0x24a/0xa40
[ 253.732722][ T5505] __se_sys_mount+0x2d6/0x3c0
[ 253.737388][ T5505] ? __x64_sys_mount+0xc0/0xc0
[ 253.742134][ T5505] ? lockdep_hardirqs_on+0x94/0x140
[ 253.747317][ T5505] ? __x64_sys_mount+0x1c/0xc0
[ 253.752072][ T5505] do_syscall_64+0x4c/0xa0
[ 253.756470][ T5505] ? clear_bhb_loop+0x30/0x80
[ 253.761124][ T5505] ? clear_bhb_loop+0x30/0x80
[ 253.765822][ T5505] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.771729][ T5505] RIP: 0033:0x7f0e7852e38a
[ 253.776145][ 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
[ 253.795749][ T5505] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.804154][ T5505] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 253.812238][ T5505] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 253.820205][ T5505] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 253.828166][ T5505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.836124][ T5505] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.844097][ T5505]
[ 253.847594][ T5505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.860843][ T5505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.166605][ T5507] loop1: detected capacity change from 0 to 32768
[ 254.214366][ T5507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.221823][ T5507] CPU: 1 PID: 5507 Comm: syz.1.223 Not tainted syzkaller #0
[ 254.229125][ T5507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 254.239189][ T5507] Call Trace:
[ 254.242470][ T5507]
[ 254.245396][ T5507] dump_stack_lvl+0x168/0x230
[ 254.250089][ T5507] ? show_regs_print_info+0x20/0x20
[ 254.255309][ T5507] ? load_image+0x3b0/0x3b0
[ 254.259844][ T5507] sysfs_create_dir_ns+0x252/0x280
[ 254.264988][ T5507] ? __lock_acquire+0x7c60/0x7c60
[ 254.270027][ T5507] ? sysfs_warn_dup+0xa0/0xa0
[ 254.274723][ T5507] ? do_raw_spin_unlock+0x11d/0x230
[ 254.279939][ T5507] kobject_add_internal+0x662/0xd00
[ 254.285152][ T5507] kobject_init_and_add+0x122/0x190
[ 254.290353][ T5507] ? lockdep_softirqs_off+0x420/0x420
[ 254.295727][ T5507] ? kobject_add+0x210/0x210
[ 254.300304][ T5507] ? __init_swait_queue_head+0xa5/0x150
[ 254.305836][ T5507] gfs2_sys_fs_add+0x234/0x480
[ 254.310586][ T5507] ? gfs2_recover_set+0x240/0x240
[ 254.315591][ T5507] ? snprintf+0xd7/0x120
[ 254.319810][ T5507] ? __free_pages+0x95/0x1a0
[ 254.324381][ T5507] ? vscnprintf+0x80/0x80
[ 254.328695][ T5507] gfs2_fill_super+0x128d/0x1f50
[ 254.333620][ T5507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.338621][ T5507] ? preempt_count_add+0x8d/0x190
[ 254.343627][ T5507] ? sb_set_blocksize+0xa5/0xe0
[ 254.348457][ T5507] get_tree_bdev+0x3f1/0x610
[ 254.353025][ T5507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.358030][ T5507] gfs2_get_tree+0x4d/0x1e0
[ 254.362510][ T5507] vfs_get_tree+0x88/0x270
[ 254.366907][ T5507] do_new_mount+0x24a/0xa40
[ 254.371389][ T5507] __se_sys_mount+0x2d6/0x3c0
[ 254.376053][ T5507] ? __x64_sys_mount+0xc0/0xc0
[ 254.380812][ T5507] ? lockdep_hardirqs_on+0x94/0x140
[ 254.385990][ T5507] ? __x64_sys_mount+0x1c/0xc0
[ 254.390733][ T5507] do_syscall_64+0x4c/0xa0
[ 254.395139][ T5507] ? clear_bhb_loop+0x30/0x80
[ 254.399796][ T5507] ? clear_bhb_loop+0x30/0x80
[ 254.404450][ T5507] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.410316][ T5507] RIP: 0033:0x7f0e7852e38a
[ 254.414714][ 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
[ 254.434303][ T5507] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.442788][ T5507] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 254.450867][ T5507] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 254.458820][ T5507] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 254.466770][ T5507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.474720][ T5507] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.482677][ T5507]
[ 254.486570][ T5507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.499755][ T5507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.863980][ T5509] loop1: detected capacity change from 0 to 32768
[ 254.959512][ T5509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.967089][ T5509] CPU: 1 PID: 5509 Comm: syz.1.224 Not tainted syzkaller #0
[ 254.974381][ T5509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 254.984438][ T5509] Call Trace:
[ 254.987714][ T5509]
[ 254.990652][ T5509] dump_stack_lvl+0x168/0x230
[ 254.995344][ T5509] ? show_regs_print_info+0x20/0x20
[ 255.000555][ T5509] ? load_image+0x3b0/0x3b0
[ 255.005081][ T5509] sysfs_create_dir_ns+0x252/0x280
[ 255.010202][ T5509] ? __lock_acquire+0x7c60/0x7c60
[ 255.015233][ T5509] ? sysfs_warn_dup+0xa0/0xa0
[ 255.019918][ T5509] ? do_raw_spin_unlock+0x11d/0x230
[ 255.025118][ T5509] kobject_add_internal+0x662/0xd00
[ 255.030306][ T5509] kobject_init_and_add+0x122/0x190
[ 255.035487][ T5509] ? lockdep_softirqs_off+0x420/0x420
[ 255.040841][ T5509] ? kobject_add+0x210/0x210
[ 255.045417][ T5509] ? __init_swait_queue_head+0xa5/0x150
[ 255.050946][ T5509] gfs2_sys_fs_add+0x234/0x480
[ 255.055694][ T5509] ? gfs2_recover_set+0x240/0x240
[ 255.060696][ T5509] ? snprintf+0xd7/0x120
[ 255.064913][ T5509] ? __free_pages+0x95/0x1a0
[ 255.069477][ T5509] ? vscnprintf+0x80/0x80
[ 255.073837][ T5509] gfs2_fill_super+0x128d/0x1f50
[ 255.078792][ T5509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.083801][ T5509] ? preempt_count_add+0x8d/0x190
[ 255.088852][ T5509] ? sb_set_blocksize+0xa5/0xe0
[ 255.093684][ T5509] get_tree_bdev+0x3f1/0x610
[ 255.098257][ T5509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.103262][ T5509] gfs2_get_tree+0x4d/0x1e0
[ 255.107743][ T5509] vfs_get_tree+0x88/0x270
[ 255.112136][ T5509] do_new_mount+0x24a/0xa40
[ 255.116628][ T5509] __se_sys_mount+0x2d6/0x3c0
[ 255.121285][ T5509] ? __x64_sys_mount+0xc0/0xc0
[ 255.126040][ T5509] ? lockdep_hardirqs_on+0x94/0x140
[ 255.131218][ T5509] ? __x64_sys_mount+0x1c/0xc0
[ 255.136052][ T5509] do_syscall_64+0x4c/0xa0
[ 255.140446][ T5509] ? clear_bhb_loop+0x30/0x80
[ 255.145103][ T5509] ? clear_bhb_loop+0x30/0x80
[ 255.149901][ T5509] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.155899][ T5509] RIP: 0033:0x7f0e7852e38a
[ 255.160301][ 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
[ 255.180056][ T5509] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.188468][ T5509] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 255.196419][ T5509] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 255.204368][ T5509] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 255.212320][ T5509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.220267][ T5509] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.228246][ T5509]
[ 255.237172][ T5509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.251144][ T5509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.549026][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.555317][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.570394][ T5511] loop1: detected capacity change from 0 to 32768
[ 255.626695][ T5511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.634097][ T5511] CPU: 1 PID: 5511 Comm: syz.1.225 Not tainted syzkaller #0
[ 255.641387][ T5511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 255.651447][ T5511] Call Trace:
[ 255.654728][ T5511]
[ 255.657660][ T5511] dump_stack_lvl+0x168/0x230
[ 255.662363][ T5511] ? show_regs_print_info+0x20/0x20
[ 255.667567][ T5511] ? load_image+0x3b0/0x3b0
[ 255.672094][ T5511] sysfs_create_dir_ns+0x252/0x280
[ 255.677220][ T5511] ? __lock_acquire+0x7c60/0x7c60
[ 255.682257][ T5511] ? sysfs_warn_dup+0xa0/0xa0
[ 255.687027][ T5511] ? do_raw_spin_unlock+0x11d/0x230
[ 255.692240][ T5511] kobject_add_internal+0x662/0xd00
[ 255.697460][ T5511] kobject_init_and_add+0x122/0x190
[ 255.702660][ T5511] ? lockdep_softirqs_off+0x420/0x420
[ 255.708140][ T5511] ? kobject_add+0x210/0x210
[ 255.712741][ T5511] ? __init_swait_queue_head+0xa5/0x150
[ 255.718273][ T5511] gfs2_sys_fs_add+0x234/0x480
[ 255.723117][ T5511] ? gfs2_recover_set+0x240/0x240
[ 255.728130][ T5511] ? snprintf+0xd7/0x120
[ 255.732369][ T5511] ? __free_pages+0x95/0x1a0
[ 255.736962][ T5511] ? vscnprintf+0x80/0x80
[ 255.741285][ T5511] gfs2_fill_super+0x128d/0x1f50
[ 255.746226][ T5511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.751252][ T5511] ? preempt_count_add+0x8d/0x190
[ 255.756265][ T5511] ? sb_set_blocksize+0xa5/0xe0
[ 255.761094][ T5511] get_tree_bdev+0x3f1/0x610
[ 255.765661][ T5511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.770674][ T5511] gfs2_get_tree+0x4d/0x1e0
[ 255.775161][ T5511] vfs_get_tree+0x88/0x270
[ 255.779557][ T5511] do_new_mount+0x24a/0xa40
[ 255.784049][ T5511] __se_sys_mount+0x2d6/0x3c0
[ 255.788711][ T5511] ? __x64_sys_mount+0xc0/0xc0
[ 255.793457][ T5511] ? lockdep_hardirqs_on+0x94/0x140
[ 255.798753][ T5511] ? __x64_sys_mount+0x1c/0xc0
[ 255.803497][ T5511] do_syscall_64+0x4c/0xa0
[ 255.807902][ T5511] ? clear_bhb_loop+0x30/0x80
[ 255.812582][ T5511] ? clear_bhb_loop+0x30/0x80
[ 255.817245][ T5511] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.823127][ T5511] RIP: 0033:0x7f0e7852e38a
[ 255.827541][ 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
[ 255.847241][ T5511] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.855655][ T5511] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 255.863667][ T5511] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 255.871643][ T5511] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 255.879901][ T5511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.887874][ T5511] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.895861][ T5511]
[ 255.899263][ T5511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.912640][ T5511] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:12:58 executed programs: 211
[ 256.244151][ T5513] loop1: detected capacity change from 0 to 32768
[ 256.288190][ T5513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.295591][ T5513] CPU: 0 PID: 5513 Comm: syz.1.226 Not tainted syzkaller #0
[ 256.302881][ T5513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 256.312939][ T5513] Call Trace:
[ 256.316218][ T5513]
[ 256.319151][ T5513] dump_stack_lvl+0x168/0x230
[ 256.323840][ T5513] ? show_regs_print_info+0x20/0x20
[ 256.329045][ T5513] ? load_image+0x3b0/0x3b0
[ 256.333563][ T5513] sysfs_create_dir_ns+0x252/0x280
[ 256.338686][ T5513] ? __lock_acquire+0x7c60/0x7c60
[ 256.343713][ T5513] ? sysfs_warn_dup+0xa0/0xa0
[ 256.348399][ T5513] ? do_raw_spin_unlock+0x11d/0x230
[ 256.353602][ T5513] kobject_add_internal+0x662/0xd00
[ 256.358810][ T5513] kobject_init_and_add+0x122/0x190
[ 256.364006][ T5513] ? lockdep_softirqs_off+0x420/0x420
[ 256.369368][ T5513] ? kobject_add+0x210/0x210
[ 256.373939][ T5513] ? __init_swait_queue_head+0xa5/0x150
[ 256.379581][ T5513] gfs2_sys_fs_add+0x234/0x480
[ 256.384332][ T5513] ? gfs2_recover_set+0x240/0x240
[ 256.389338][ T5513] ? snprintf+0xd7/0x120
[ 256.393567][ T5513] ? __free_pages+0x95/0x1a0
[ 256.398139][ T5513] ? vscnprintf+0x80/0x80
[ 256.402454][ T5513] gfs2_fill_super+0x128d/0x1f50
[ 256.407377][ T5513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.412552][ T5513] ? preempt_count_add+0x8d/0x190
[ 256.417561][ T5513] ? sb_set_blocksize+0xa5/0xe0
[ 256.422434][ T5513] get_tree_bdev+0x3f1/0x610
[ 256.427097][ T5513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.432099][ T5513] gfs2_get_tree+0x4d/0x1e0
[ 256.436580][ T5513] vfs_get_tree+0x88/0x270
[ 256.440975][ T5513] do_new_mount+0x24a/0xa40
[ 256.445460][ T5513] __se_sys_mount+0x2d6/0x3c0
[ 256.450119][ T5513] ? __x64_sys_mount+0xc0/0xc0
[ 256.454862][ T5513] ? lockdep_hardirqs_on+0x94/0x140
[ 256.460038][ T5513] ? __x64_sys_mount+0x1c/0xc0
[ 256.464783][ T5513] do_syscall_64+0x4c/0xa0
[ 256.469177][ T5513] ? clear_bhb_loop+0x30/0x80
[ 256.473832][ T5513] ? clear_bhb_loop+0x30/0x80
[ 256.478483][ T5513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.484349][ T5513] RIP: 0033:0x7f0e7852e38a
[ 256.488760][ 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
[ 256.508342][ T5513] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.516822][ T5513] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 256.524771][ T5513] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 256.532720][ T5513] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 256.540730][ T5513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.548677][ T5513] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.556639][ T5513]
[ 256.562422][ T5513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.575590][ T5513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.826065][ T27] INFO: task syz.0.17:5060 blocked for more than 143 seconds.
[ 256.833819][ T27] Not tainted syzkaller #0
[ 256.841256][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 256.850189][ T27] task:syz.0.17 state:D stack:24680 pid: 5060 ppid: 4821 flags:0x00004004
[ 256.861819][ T27] Call Trace:
[ 256.865112][ T27]
[ 256.868326][ T27] __schedule+0x11bb/0x4390
[ 256.873464][ T27] ? mark_lock+0x94/0x320
[ 256.880194][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 256.886481][ T27] ? lock_chain_count+0x20/0x20
[ 256.891354][ T27] ? release_firmware_map_entry+0x190/0x190
[ 256.899687][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 256.905082][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 256.911474][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 256.915053][ T5515] loop1: detected capacity change from 0 to 32768
[ 256.916956][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 256.929172][ T27] schedule+0x11b/0x1e0
[ 256.933462][ T27] bit_wait+0xd/0xc0
[ 256.934591][ T5515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.937574][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 256.945415][ T5515] CPU: 1 PID: 5515 Comm: syz.1.227 Not tainted syzkaller #0
[ 256.950791][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 256.957494][ T5515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 256.957508][ T5515] Call Trace:
[ 256.957514][ T5515]
[ 256.957522][ T5515] dump_stack_lvl+0x168/0x230
[ 256.957545][ T5515] ? show_regs_print_info+0x20/0x20
[ 256.957563][ T5515] ? load_image+0x3b0/0x3b0
[ 256.957591][ T5515] sysfs_create_dir_ns+0x252/0x280
[ 256.963919][ T27] ? __wait_on_bit+0x170/0x170
[ 256.973693][ T5515] ? __lock_acquire+0x7c60/0x7c60
[ 256.973716][ T5515] ? sysfs_warn_dup+0xa0/0xa0
[ 256.973738][ T5515] ? do_raw_spin_unlock+0x11d/0x230
[ 256.973757][ T5515] kobject_add_internal+0x662/0xd00
[ 256.973781][ T5515] kobject_init_and_add+0x122/0x190
[ 256.973797][ T5515] ? lockdep_softirqs_off+0x420/0x420
[ 256.973818][ T5515] ? kobject_add+0x210/0x210
[ 256.973841][ T5515] ? __init_swait_queue_head+0xa5/0x150
[ 256.973865][ T5515] gfs2_sys_fs_add+0x234/0x480
[ 256.973885][ T5515] ? gfs2_recover_set+0x240/0x240
[ 256.973903][ T5515] ? snprintf+0xd7/0x120
[ 256.973922][ T5515] ? __free_pages+0x95/0x1a0
[ 256.973944][ T5515] ? vscnprintf+0x80/0x80
[ 256.973975][ T5515] gfs2_fill_super+0x128d/0x1f50
[ 256.974005][ T5515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.979678][ T27] ? bit_waitqueue+0x30/0x30
[ 256.980188][ T5515] ? preempt_count_add+0x8d/0x190
[ 256.984848][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 256.990027][ T5515] ? sb_set_blocksize+0xa5/0xe0
[ 256.990050][ T5515] get_tree_bdev+0x3f1/0x610
[ 256.990070][ T5515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.990089][ T5515] gfs2_get_tree+0x4d/0x1e0
[ 256.990107][ T5515] vfs_get_tree+0x88/0x270
[ 256.990126][ T5515] do_new_mount+0x24a/0xa40
[ 256.995570][ T27] gfs2_statfs_init+0xf9/0x490
[ 256.999691][ T5515] __se_sys_mount+0x2d6/0x3c0
[ 256.999717][ T5515] ? __x64_sys_mount+0xc0/0xc0
[ 256.999737][ T5515] ? lockdep_hardirqs_on+0x94/0x140
[ 256.999753][ T5515] ? __x64_sys_mount+0x1c/0xc0
[ 256.999771][ T5515] do_syscall_64+0x4c/0xa0
[ 256.999787][ T5515] ? clear_bhb_loop+0x30/0x80
[ 257.006336][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 257.009536][ T5515] ? clear_bhb_loop+0x30/0x80
[ 257.014188][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 257.019358][ T5515] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.019378][ T5515] RIP: 0033:0x7f0e7852e38a
[ 257.019395][ 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
[ 257.019409][ T5515] RSP: 002b:00007f0e77b9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.019428][ T5515] RAX: ffffffffffffffda RBX: 00007f0e77b9bef0 RCX: 00007f0e7852e38a
[ 257.025440][ T27] ? init_per_node+0x2be/0x3d0
[ 257.029764][ T5515] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0e77b9beb0
[ 257.029778][ T5515] RBP: 0000200000000400 R08: 00007f0e77b9bef0 R09: 0000000000000000
[ 257.029790][ T5515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.029801][ T5515] R13: 00007f0e77b9beb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.029824][ T5515]
[ 257.035346][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 257.042629][ T5515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.046650][ T27] ? init_inodes+0x26a/0x320
[ 257.050209][ T5515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.055611][ T27] gfs2_fill_super+0x1749/0x1f50
[ 257.290978][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.296079][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 257.301108][ T27] ? preempt_count_add+0x8d/0x190
[ 257.306217][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 257.311345][ T27] get_tree_bdev+0x3f1/0x610
[ 257.315998][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.321035][ T27] gfs2_get_tree+0x4d/0x1e0
[ 257.325547][ T27] vfs_get_tree+0x88/0x270
[ 257.330037][ T27] do_new_mount+0x24a/0xa40
[ 257.334560][ T27] __se_sys_mount+0x2d6/0x3c0
[ 257.339297][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 257.344151][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 257.349433][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 257.354198][ T27] do_syscall_64+0x4c/0xa0
[ 257.358868][ T27] ? clear_bhb_loop+0x30/0x80
[ 257.363552][ T27] ? clear_bhb_loop+0x30/0x80
[ 257.368563][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.374465][ T27] RIP: 0033:0x7f13442ca38a
[ 257.379228][ T27] RSP: 002b:00007f1343937e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.388248][ T27] RAX: ffffffffffffffda RBX: 00007f1343937ef0 RCX: 00007f13442ca38a
[ 257.397645][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f1343937eb0
[ 257.405626][ T27] RBP: 0000200000000400 R08: 00007f1343937ef0 R09: 0000000000000000
[ 257.413658][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.421657][ T27] R13: 00007f1343937eb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.429687][ T27]
[ 257.432735][ T27]
[ 257.432735][ T27] Showing all locks held in the system:
[ 257.440518][ T27] 1 lock held by khungtaskd/27:
[ 257.445366][ T27] #0: ffffffff8c11c760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 257.454753][ T27] 2 locks held by getty/3948:
[ 257.459451][ T27] #0: ffff88802c388098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 257.469226][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 257.479358][ T27] 1 lock held by syz.0.17/5060:
[ 257.484411][ T27] #0: ffff88807d0960e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 257.494713][ T27] 2 locks held by udevd/5067:
[ 257.499503][ T27] #0: ffff888020736d18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 257.509236][ T27] #1: ffff888020889468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[ 257.518839][ T27] 1 lock held by syz.1.228/5517:
[ 257.523781][ T27] #0: ffff888020736d18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[ 257.534002][ T27]
[ 257.536465][ T27] =============================================
[ 257.536465][ T27]
[ 257.545053][ T27] NMI backtrace for cpu 0
[ 257.549382][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 257.550145][ T5517] loop1: detected capacity change from 0 to 32768
[ 257.556572][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 257.556585][ T27] Call Trace:
[ 257.556592][ T27]
[ 257.556599][ T27] dump_stack_lvl+0x168/0x230
[ 257.584100][ T27] ? show_regs_print_info+0x20/0x20
[ 257.589312][ T27] ? load_image+0x3b0/0x3b0
[ 257.593823][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 257.599030][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 257.603981][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 257.610141][ T27] ? _printk+0xcc/0x110
[ 257.614304][ T27] ? load_image+0x3b0/0x3b0
[ 257.618815][ T27] ? load_image+0x3b0/0x3b0
[ 257.623384][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 257.629562][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 257.635550][ T27] watchdog+0xe0f/0xe50
[ 257.639708][ T27] kthread+0x436/0x520
[ 257.643762][ T27] ? hungtask_pm_notify+0x40/0x40
[ 257.648770][ T27] ? kthread_blkcg+0xd0/0xd0
[ 257.653354][ T27] ret_from_fork+0x1f/0x30
[ 257.657759][ T27]
[ 257.661263][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 257.666701][ C1] NMI backtrace for cpu 1
[ 257.666712][ C1] CPU: 1 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0
[ 257.666727][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 257.666736][ C1] Workqueue: phy11 ieee80211_iface_work
[ 257.666758][ C1] RIP: 0010:check_preemption_disabled+0x55/0x110
[ 257.666784][ C1] Code: 7f 74 1f 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 08 0f 85 c4 00 00 00 48 83 c4 10 5b 41 5e 41 5f 5d c3 48 c7 04 24 00 00 00 00 <9c> 8f 04 24 f7 04 24 00 02 00 00 74 cc 65 4c 8b 3d 66 f1 58 76 41
[ 257.666797][ C1] RSP: 0018:ffffc9000169f8e8 EFLAGS: 00000046
[ 257.666808][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000080000000
[ 257.666818][ C1] RDX: 0000000000000000 RSI: ffffffff8a0b2a60 RDI: ffffffff8a59e580
[ 257.666828][ C1] RBP: ffffc9000169fa40 R08: dffffc0000000000 R09: fffffbfff1ad33a6
[ 257.666839][ C1] R10: fffffbfff1ad33a6 R11: 1ffffffff1ad33a5 R12: ffffffff8c11c760
[ 257.666850][ C1] R13: 1ffff920002d3f30 R14: 0000000000000246 R15: dffffc0000000000
[ 257.666861][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 257.666873][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 257.666883][ C1] CR2: 0000563bec141030 CR3: 000000001f642000 CR4: 00000000003506e0
[ 257.666897][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 257.666906][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 257.666915][ C1] Call Trace:
[ 257.666920][ C1]
[ 257.666927][ C1] lock_acquire+0x15f/0x3f0
[ 257.666948][ C1] ? read_lock_is_recursive+0x10/0x10
[ 257.666962][ C1] ? __mutex_unlock_slowpath+0x19e/0x6a0
[ 257.666978][ C1] ? __local_bh_enable_ip+0x12a/0x1b0
[ 257.666992][ C1] ? mutex_unlock+0x10/0x10
[ 257.667009][ C1] rcu_lock_acquire+0x2a/0x30
[ 257.667022][ C1] ? rcu_lock_acquire+0x5/0x30
[ 257.667034][ C1] ieee80211_sta_active_ibss+0xa8/0x2d0
[ 257.667050][ C1] ieee80211_ibss_work+0x846/0x10b0
[ 257.667067][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 257.667082][ C1] ? ieee80211_ibss_rx_queued_mgmt+0x29c0/0x29c0
[ 257.667096][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 257.667119][ C1] ? skb_dequeue+0x10a/0x140
[ 257.667134][ C1] ? ieee80211_iface_work+0x961/0xc60
[ 257.667150][ C1] ? ieee80211_iface_work+0xb7a/0xc60
[ 257.667167][ C1] process_one_work+0x863/0x1000
[ 257.667188][ C1] ? worker_detach_from_pool+0x240/0x240
[ 257.667201][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 257.667216][ C1] ? _raw_spin_lock_irq+0xab/0xe0
[ 257.667229][ C1] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 257.667243][ C1] ? wq_worker_running+0x97/0x170
[ 257.667257][ C1] worker_thread+0xaa8/0x12a0
[ 257.667282][ C1] kthread+0x436/0x520
[ 257.667295][ C1] ? rcu_lock_release+0x20/0x20
[ 257.667307][ C1] ? kthread_blkcg+0xd0/0xd0
[ 257.667324][ C1] ret_from_fork+0x1f/0x30
[ 257.667345][ C1]
[ 257.667904][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 257.953827][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 257.961037][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 257.971079][ T27] Call Trace:
[ 257.974342][ T27]
[ 257.977263][ T27] dump_stack_lvl+0x168/0x230
[ 257.981926][ T27] ? show_regs_print_info+0x20/0x20
[ 257.987104][ T27] ? load_image+0x3b0/0x3b0
[ 257.991591][ T27] panic+0x2c9/0x7f0
[ 257.995467][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 258.001096][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 258.005587][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 258.011719][ T27] watchdog+0xe4e/0xe50
[ 258.015872][ T27] kthread+0x436/0x520
[ 258.019923][ T27] ? hungtask_pm_notify+0x40/0x40
[ 258.024921][ T27] ? kthread_blkcg+0xd0/0xd0
[ 258.029486][ T27] ret_from_fork+0x1f/0x30
[ 258.033976][ T27]
[ 258.037205][ T27] Kernel Offset: disabled
[ 258.041557][ T27] Rebooting in 86400 seconds..