07f817a59cefa
[ 120.539308][ T5634] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 120.547775][ T5634] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 120.555754][ T5634] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 120.563745][ T5634] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 120.571928][ T5634]
[ 120.584077][ T5638] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 120.768183][ T5638] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 120.826433][ T5638] syz.0.55 (5638): drop_caches: 2
[ 120.841802][ T5634] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 120.922833][ T5634] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 120.985394][ T5645] loop1: detected capacity change from 0 to 32768
[ 120.986010][ T5648] loop3: detected capacity change from 0 to 32768
[ 121.030603][ T5645] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 121.078904][ T5648] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 121.113377][ T5645] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 121.130723][ T5648] CPU: 1 PID: 5648 Comm: syz.3.57 Not tainted syzkaller #0
[ 121.138057][ T5648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 121.148309][ T5648] Call Trace:
[ 121.151594][ T5648]
[ 121.154701][ T5648] dump_stack_lvl+0x168/0x230
[ 121.159836][ T5648] ? show_regs_print_info+0x20/0x20
[ 121.165745][ T5648] ? load_image+0x3b0/0x3b0
[ 121.170492][ T5648] sysfs_create_dir_ns+0x252/0x280
[ 121.175777][ T5648] ? __lock_acquire+0x7c60/0x7c60
[ 121.181099][ T5648] ? sysfs_warn_dup+0xa0/0xa0
[ 121.185805][ T5648] ? do_raw_spin_unlock+0x11d/0x230
[ 121.191198][ T5648] kobject_add_internal+0x662/0xd00
[ 121.196518][ T5648] kobject_init_and_add+0x122/0x190
[ 121.201906][ T5648] ? lockdep_softirqs_off+0x420/0x420
[ 121.207472][ T5648] ? kobject_add+0x210/0x210
[ 121.210146][ T5645] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 121.212102][ T5648] ? __init_swait_queue_head+0xa5/0x150
[ 121.212130][ T5648] gfs2_sys_fs_add+0x234/0x480
[ 121.212149][ T5648] ? gfs2_recover_set+0x240/0x240
[ 121.212165][ T5648] ? snprintf+0xd7/0x120
[ 121.212181][ T5648] ? __free_pages+0x95/0x1a0
[ 121.244923][ T5648] ? vscnprintf+0x80/0x80
[ 121.249356][ T5648] gfs2_fill_super+0x128d/0x1f50
[ 121.254315][ T5648] ? gfs2_reconfigure+0xcd0/0xcd0
[ 121.259452][ T5648] ? preempt_count_add+0x8d/0x190
[ 121.264726][ T5648] ? sb_set_blocksize+0xa5/0xe0
[ 121.269605][ T5648] get_tree_bdev+0x3f1/0x610
[ 121.274211][ T5648] ? gfs2_reconfigure+0xcd0/0xcd0
[ 121.279513][ T5648] gfs2_get_tree+0x4d/0x1e0
[ 121.284345][ T5648] vfs_get_tree+0x88/0x270
[ 121.288863][ T5648] do_new_mount+0x24a/0xa40
[ 121.293381][ T5648] __se_sys_mount+0x2d6/0x3c0
[ 121.298097][ T5648] ? __x64_sys_mount+0xc0/0xc0
[ 121.303227][ T5648] ? lockdep_hardirqs_on+0x94/0x140
[ 121.308532][ T5648] ? __x64_sys_mount+0x1c/0xc0
[ 121.310654][ T5634] syz.4.54 (5634): drop_caches: 2
[ 121.313303][ T5648] do_syscall_64+0x4c/0xa0
[ 121.313320][ T5648] ? clear_bhb_loop+0x30/0x80
[ 121.313334][ T5648] ? clear_bhb_loop+0x30/0x80
[ 121.313349][ T5648] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 121.313365][ T5648] RIP: 0033:0x7f25b0179efa
[ 121.313381][ T5648] 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
[ 121.363334][ T5648] RSP: 002b:00007f25af3f7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 121.371854][ T5648] RAX: ffffffffffffffda RBX: 00007f25af3f7ef0 RCX: 00007f25b0179efa
[ 121.380017][ T5648] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f25af3f7eb0
[ 121.388176][ T5648] RBP: 0000000020000000 R08: 00007f25af3f7ef0 R09: 0000000000008c1b
[ 121.396324][ T5648] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 121.404305][ T5648] R13: 00007f25af3f7eb0 R14: 000000000001272b R15: 0000000020000240
[ 121.412460][ T5648]
[ 121.537824][ T5645] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 121.558516][ T5648] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 121.602274][ T5648] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 121.634354][ T5645] syz.1.56 (5645): drop_caches: 2
[ 121.728404][ T5658] loop2: detected capacity change from 0 to 32768
[ 121.797295][ T5658] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 121.860646][ T5658] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 121.929682][ T5658] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 122.025257][ T5648] syz.3.57 (5648): drop_caches: 2
[ 122.212848][ T5658] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 122.271264][ T5658] syz.2.58 (5658): drop_caches: 2
[ 122.865732][ T5669] loop0: detected capacity change from 0 to 32768
[ 122.899994][ T5672] loop4: detected capacity change from 0 to 32768
[ 122.924025][ T5669] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 122.952070][ T5669] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 122.962768][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 122.993246][ T5672] CPU: 0 PID: 5672 Comm: syz.4.60 Not tainted syzkaller #0
[ 123.000724][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 123.011054][ T5672] Call Trace:
[ 123.014437][ T5672]
[ 123.017373][ T5672] dump_stack_lvl+0x168/0x230
[ 123.022074][ T5672] ? show_regs_print_info+0x20/0x20
[ 123.027393][ T5672] ? load_image+0x3b0/0x3b0
[ 123.031930][ T5672] sysfs_create_dir_ns+0x252/0x280
[ 123.037058][ T5672] ? __lock_acquire+0x7c60/0x7c60
[ 123.042241][ T5672] ? sysfs_warn_dup+0xa0/0xa0
[ 123.046949][ T5672] ? do_raw_spin_unlock+0x11d/0x230
[ 123.052205][ T5672] kobject_add_internal+0x662/0xd00
[ 123.057507][ T5672] kobject_init_and_add+0x122/0x190
[ 123.062707][ T5672] ? lockdep_softirqs_off+0x420/0x420
[ 123.068096][ T5672] ? kobject_add+0x210/0x210
[ 123.072791][ T5672] ? __init_swait_queue_head+0xa5/0x150
[ 123.078617][ T5672] gfs2_sys_fs_add+0x234/0x480
[ 123.083396][ T5672] ? gfs2_recover_set+0x240/0x240
[ 123.088434][ T5672] ? snprintf+0xd7/0x120
[ 123.092690][ T5672] ? __free_pages+0x95/0x1a0
[ 123.097287][ T5672] ? vscnprintf+0x80/0x80
[ 123.097760][ T5681] loop1: detected capacity change from 0 to 32768
[ 123.101619][ T5672] gfs2_fill_super+0x128d/0x1f50
[ 123.101652][ T5672] ? gfs2_reconfigure+0xcd0/0xcd0
[ 123.101671][ T5672] ? preempt_count_add+0x8d/0x190
[ 123.101696][ T5672] ? sb_set_blocksize+0xa5/0xe0
[ 123.101716][ T5672] get_tree_bdev+0x3f1/0x610
[ 123.101735][ T5672] ? gfs2_reconfigure+0xcd0/0xcd0
[ 123.101755][ T5672] gfs2_get_tree+0x4d/0x1e0
[ 123.101775][ T5672] vfs_get_tree+0x88/0x270
[ 123.101793][ T5672] do_new_mount+0x24a/0xa40
[ 123.101816][ T5672] __se_sys_mount+0x2d6/0x3c0
[ 123.101836][ T5672] ? __x64_sys_mount+0xc0/0xc0
[ 123.101854][ T5672] ? lockdep_hardirqs_on+0x94/0x140
[ 123.101868][ T5672] ? __x64_sys_mount+0x1c/0xc0
[ 123.101885][ T5672] do_syscall_64+0x4c/0xa0
[ 123.175562][ T5672] ? clear_bhb_loop+0x30/0x80
[ 123.180250][ T5672] ? clear_bhb_loop+0x30/0x80
[ 123.184932][ T5672] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 123.190830][ T5672] RIP: 0033:0x7f817a59cefa
[ 123.195252][ T5672] 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
[ 123.215036][ T5672] RSP: 002b:00007f817981ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 123.223640][ T5672] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 123.231839][ T5672] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 123.240194][ T5672] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 123.248342][ T5672] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 123.256415][ T5672] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 123.264586][ T5672]
[ 123.288810][ T5686] loop3: detected capacity change from 0 to 32768
[ 123.289276][ T5672] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 123.331467][ T5669] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 123.347474][ T5681] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 123.347667][ T5672] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 123.367787][ T5681] CPU: 1 PID: 5681 Comm: syz.1.61 Not tainted syzkaller #0
[ 123.375111][ T5681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 123.385435][ T5681] Call Trace:
[ 123.388818][ T5681]
[ 123.391841][ T5681] dump_stack_lvl+0x168/0x230
[ 123.396639][ T5681] ? show_regs_print_info+0x20/0x20
[ 123.402204][ T5681] ? load_image+0x3b0/0x3b0
[ 123.406742][ T5681] sysfs_create_dir_ns+0x252/0x280
[ 123.411905][ T5681] ? __lock_acquire+0x7c60/0x7c60
[ 123.417184][ T5681] ? sysfs_warn_dup+0xa0/0xa0
[ 123.421913][ T5681] ? do_raw_spin_unlock+0x11d/0x230
[ 123.427309][ T5681] kobject_add_internal+0x662/0xd00
[ 123.432539][ T5681] kobject_init_and_add+0x122/0x190
[ 123.437933][ T5681] ? lockdep_softirqs_off+0x420/0x420
[ 123.443602][ T5681] ? kobject_add+0x210/0x210
[ 123.448300][ T5681] ? __init_swait_queue_head+0xa5/0x150
[ 123.453968][ T5681] gfs2_sys_fs_add+0x234/0x480
[ 123.458775][ T5681] ? gfs2_recover_set+0x240/0x240
[ 123.464089][ T5681] ? snprintf+0xd7/0x120
[ 123.468346][ T5681] ? __free_pages+0x95/0x1a0
[ 123.473304][ T5681] ? vscnprintf+0x80/0x80
[ 123.477943][ T5681] gfs2_fill_super+0x128d/0x1f50
[ 123.483083][ T5681] ? gfs2_reconfigure+0xcd0/0xcd0
[ 123.488564][ T5681] ? preempt_count_add+0x8d/0x190
[ 123.493622][ T5681] ? sb_set_blocksize+0xa5/0xe0
[ 123.498759][ T5681] get_tree_bdev+0x3f1/0x610
[ 123.503716][ T5681] ? gfs2_reconfigure+0xcd0/0xcd0
[ 123.508947][ T5681] gfs2_get_tree+0x4d/0x1e0
[ 123.513558][ T5681] vfs_get_tree+0x88/0x270
[ 123.518367][ T5681] do_new_mount+0x24a/0xa40
[ 123.523093][ T5681] __se_sys_mount+0x2d6/0x3c0
[ 123.524301][ T5669] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 123.527869][ T5681] ? __x64_sys_mount+0xc0/0xc0
[ 123.527897][ T5681] ? lockdep_hardirqs_on+0x94/0x140
[ 123.546789][ T5681] ? __x64_sys_mount+0x1c/0xc0
[ 123.551760][ T5681] do_syscall_64+0x4c/0xa0
[ 123.556194][ T5681] ? clear_bhb_loop+0x30/0x80
[ 123.560968][ T5681] ? clear_bhb_loop+0x30/0x80
[ 123.565837][ T5681] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 123.572136][ T5681] RIP: 0033:0x7f45b14dcefa
[ 123.576672][ T5681] 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
[ 123.597134][ T5681] RSP: 002b:00007f45b075ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 123.606272][ T5681] RAX: ffffffffffffffda RBX: 00007f45b075aef0 RCX: 00007f45b14dcefa
[ 123.614705][ T5681] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f45b075aeb0
[ 123.623059][ T5681] RBP: 0000000020000000 R08: 00007f45b075aef0 R09: 0000000000008c1b
[ 123.631223][ T5681] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 123.639465][ T5681] R13: 00007f45b075aeb0 R14: 000000000001272b R15: 0000000020000240
[ 123.639990][ T5669] syz.0.59 (5669): drop_caches: 2
[ 123.647456][ T5681]
[ 123.669394][ T5681] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 123.684917][ T5681] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 123.696584][ T5692] loop2: detected capacity change from 0 to 32768
[ 123.728245][ T5686] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 123.741324][ T5686] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 123.799743][ T5692] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 123.804611][ T5686] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 123.844142][ T5692] CPU: 0 PID: 5692 Comm: syz.2.63 Not tainted syzkaller #0
[ 123.851478][ T5692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 123.861692][ T5692] Call Trace:
[ 123.864991][ T5692]
[ 123.867940][ T5692] dump_stack_lvl+0x168/0x230
[ 123.872670][ T5692] ? show_regs_print_info+0x20/0x20
[ 123.877901][ T5692] ? load_image+0x3b0/0x3b0
[ 123.883013][ T5692] sysfs_create_dir_ns+0x252/0x280
[ 123.888147][ T5692] ? __lock_acquire+0x7c60/0x7c60
[ 123.893374][ T5692] ? sysfs_warn_dup+0xa0/0xa0
[ 123.898270][ T5692] ? do_raw_spin_unlock+0x11d/0x230
[ 123.903742][ T5692] kobject_add_internal+0x662/0xd00
[ 123.908961][ T5692] kobject_init_and_add+0x122/0x190
[ 123.914365][ T5692] ? lockdep_softirqs_off+0x420/0x420
[ 123.920139][ T5692] ? kobject_add+0x210/0x210
[ 123.924760][ T5692] ? __init_swait_queue_head+0xa5/0x150
[ 123.930387][ T5692] gfs2_sys_fs_add+0x234/0x480
[ 123.935344][ T5692] ? gfs2_recover_set+0x240/0x240
[ 123.940589][ T5692] ? snprintf+0xd7/0x120
[ 123.944953][ T5692] ? __free_pages+0x95/0x1a0
[ 123.949673][ T5692] ? vscnprintf+0x80/0x80
[ 123.954214][ T5692] gfs2_fill_super+0x128d/0x1f50
[ 123.959226][ T5692] ? gfs2_reconfigure+0xcd0/0xcd0
[ 123.964272][ T5692] ? preempt_count_add+0x8d/0x190
[ 123.969372][ T5692] ? sb_set_blocksize+0xa5/0xe0
[ 123.974419][ T5692] get_tree_bdev+0x3f1/0x610
[ 123.979048][ T5692] ? gfs2_reconfigure+0xcd0/0xcd0
[ 123.984539][ T5692] gfs2_get_tree+0x4d/0x1e0
[ 123.989275][ T5692] vfs_get_tree+0x88/0x270
[ 123.993802][ T5692] do_new_mount+0x24a/0xa40
[ 123.998496][ T5692] __se_sys_mount+0x2d6/0x3c0
[ 124.003266][ T5692] ? __x64_sys_mount+0xc0/0xc0
[ 124.008053][ T5692] ? lockdep_hardirqs_on+0x94/0x140
[ 124.013398][ T5692] ? __x64_sys_mount+0x1c/0xc0
[ 124.018179][ T5692] do_syscall_64+0x4c/0xa0
[ 124.022693][ T5692] ? clear_bhb_loop+0x30/0x80
[ 124.027492][ T5692] ? clear_bhb_loop+0x30/0x80
[ 124.032194][ T5692] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 124.038189][ T5692] RIP: 0033:0x7f33e7f87efa
[ 124.042644][ T5692] 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
[ 124.062747][ T5692] RSP: 002b:00007f33e7205e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 124.071259][ T5692] RAX: ffffffffffffffda RBX: 00007f33e7205ef0 RCX: 00007f33e7f87efa
[ 124.079539][ T5692] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f33e7205eb0
[ 124.082502][ T5686] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 124.087620][ T5692] RBP: 0000000020000000 R08: 00007f33e7205ef0 R09: 0000000000008c1b
[ 124.104320][ T5692] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 124.112578][ T5692] R13: 00007f33e7205eb0 R14: 000000000001272b R15: 0000000020000240
[ 124.120757][ T5692]
[ 124.146028][ T5686] syz.3.62 (5686): drop_caches: 2
2025/09/10 10:59:29 executed programs: 60
[ 124.328967][ T5672] syz.4.60 (5672): drop_caches: 2
[ 124.971059][ T5692] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 125.015642][ T5692] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 125.156950][ T5711] loop0: detected capacity change from 0 to 32768
[ 125.236913][ T5711] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 125.268153][ T5711] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 125.329456][ T5711] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 125.340091][ T5715] loop3: detected capacity change from 0 to 32768
[ 125.368938][ T5715] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 125.425248][ T5715] CPU: 0 PID: 5715 Comm: syz.3.65 Not tainted syzkaller #0
[ 125.432691][ T5715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 125.442839][ T5715] Call Trace:
[ 125.446136][ T5715]
[ 125.449472][ T5715] dump_stack_lvl+0x168/0x230
[ 125.454289][ T5715] ? show_regs_print_info+0x20/0x20
[ 125.459610][ T5715] ? load_image+0x3b0/0x3b0
[ 125.464140][ T5715] sysfs_create_dir_ns+0x252/0x280
[ 125.469457][ T5715] ? __lock_acquire+0x7c60/0x7c60
[ 125.474503][ T5715] ? sysfs_warn_dup+0xa0/0xa0
[ 125.479924][ T5715] ? do_raw_spin_unlock+0x11d/0x230
[ 125.485405][ T5715] kobject_add_internal+0x662/0xd00
[ 125.490885][ T5715] kobject_init_and_add+0x122/0x190
[ 125.496615][ T5715] ? lockdep_softirqs_off+0x420/0x420
[ 125.502450][ T5715] ? kobject_add+0x210/0x210
[ 125.507077][ T5715] ? __init_swait_queue_head+0xa5/0x150
[ 125.511210][ T5718] loop4: detected capacity change from 0 to 32768
[ 125.512629][ T5715] gfs2_sys_fs_add+0x234/0x480
[ 125.512651][ T5715] ? gfs2_recover_set+0x240/0x240
[ 125.512667][ T5715] ? snprintf+0xd7/0x120
[ 125.512684][ T5715] ? __free_pages+0x95/0x1a0
[ 125.538088][ T5715] ? vscnprintf+0x80/0x80
[ 125.542553][ T5715] gfs2_fill_super+0x128d/0x1f50
[ 125.547531][ T5715] ? gfs2_reconfigure+0xcd0/0xcd0
[ 125.552582][ T5715] ? preempt_count_add+0x8d/0x190
[ 125.557731][ T5715] ? sb_set_blocksize+0xa5/0xe0
[ 125.562609][ T5715] get_tree_bdev+0x3f1/0x610
[ 125.568601][ T5715] ? gfs2_reconfigure+0xcd0/0xcd0
[ 125.574150][ T5715] gfs2_get_tree+0x4d/0x1e0
[ 125.578860][ T5715] vfs_get_tree+0x88/0x270
[ 125.583998][ T5715] do_new_mount+0x24a/0xa40
[ 125.588528][ T5715] __se_sys_mount+0x2d6/0x3c0
[ 125.593317][ T5715] ? __x64_sys_mount+0xc0/0xc0
[ 125.598798][ T5715] ? lockdep_hardirqs_on+0x94/0x140
[ 125.604030][ T5715] ? __x64_sys_mount+0x1c/0xc0
[ 125.608990][ T5715] do_syscall_64+0x4c/0xa0
[ 125.614038][ T5715] ? clear_bhb_loop+0x30/0x80
[ 125.618987][ T5715] ? clear_bhb_loop+0x30/0x80
[ 125.623959][ T5715] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 125.629984][ T5715] RIP: 0033:0x7f25b0179efa
[ 125.635085][ T5715] 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
[ 125.648885][ T5711] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 125.655417][ T5715] RSP: 002b:00007f25af3f7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 125.655445][ T5715] RAX: ffffffffffffffda RBX: 00007f25af3f7ef0 RCX: 00007f25b0179efa
[ 125.655456][ T5715] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f25af3f7eb0
[ 125.655465][ T5715] RBP: 0000000020000000 R08: 00007f25af3f7ef0 R09: 0000000000008c1b
[ 125.655475][ T5715] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 125.655484][ T5715] R13: 00007f25af3f7eb0 R14: 000000000001272b R15: 0000000020000240
[ 125.655508][ T5715]
[ 125.736104][ T5711] syz.0.64 (5711): drop_caches: 2
[ 125.752849][ T5718] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 125.757731][ T5715] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 125.784154][ T5715] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 125.819600][ T5718] CPU: 1 PID: 5718 Comm: syz.4.66 Not tainted syzkaller #0
[ 125.826947][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 125.837458][ T5718] Call Trace:
[ 125.840831][ T5718]
[ 125.843771][ T5718] dump_stack_lvl+0x168/0x230
[ 125.848754][ T5718] ? show_regs_print_info+0x20/0x20
[ 125.854329][ T5718] ? load_image+0x3b0/0x3b0
[ 125.858946][ T5718] sysfs_create_dir_ns+0x252/0x280
[ 125.864081][ T5718] ? __lock_acquire+0x7c60/0x7c60
[ 125.869213][ T5718] ? sysfs_warn_dup+0xa0/0xa0
[ 125.874179][ T5718] ? do_raw_spin_unlock+0x11d/0x230
[ 125.879493][ T5718] kobject_add_internal+0x662/0xd00
[ 125.884814][ T5718] kobject_init_and_add+0x122/0x190
[ 125.890035][ T5718] ? lockdep_softirqs_off+0x420/0x420
[ 125.895425][ T5718] ? kobject_add+0x210/0x210
[ 125.900029][ T5718] ? __init_swait_queue_head+0xa5/0x150
[ 125.905589][ T5718] gfs2_sys_fs_add+0x234/0x480
[ 125.910451][ T5718] ? gfs2_recover_set+0x240/0x240
[ 125.916085][ T5718] ? snprintf+0xd7/0x120
[ 125.920337][ T5718] ? __free_pages+0x95/0x1a0
[ 125.924932][ T5718] ? vscnprintf+0x80/0x80
[ 125.929281][ T5718] gfs2_fill_super+0x128d/0x1f50
[ 125.934247][ T5718] ? gfs2_reconfigure+0xcd0/0xcd0
[ 125.939585][ T5718] ? preempt_count_add+0x8d/0x190
[ 125.945025][ T5718] ? sb_set_blocksize+0xa5/0xe0
[ 125.949892][ T5718] get_tree_bdev+0x3f1/0x610
[ 125.954626][ T5718] ? gfs2_reconfigure+0xcd0/0xcd0
[ 125.960185][ T5718] gfs2_get_tree+0x4d/0x1e0
[ 125.964718][ T5718] vfs_get_tree+0x88/0x270
[ 125.969149][ T5718] do_new_mount+0x24a/0xa40
[ 125.973762][ T5718] __se_sys_mount+0x2d6/0x3c0
[ 125.978458][ T5718] ? __x64_sys_mount+0xc0/0xc0
[ 125.983331][ T5718] ? lockdep_hardirqs_on+0x94/0x140
[ 125.988738][ T5718] ? __x64_sys_mount+0x1c/0xc0
[ 125.993612][ T5718] do_syscall_64+0x4c/0xa0
[ 125.998046][ T5718] ? clear_bhb_loop+0x30/0x80
[ 126.002740][ T5718] ? clear_bhb_loop+0x30/0x80
[ 126.007530][ T5718] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 126.013525][ T5718] RIP: 0033:0x7f817a59cefa
[ 126.015216][ T5729] loop1: detected capacity change from 0 to 32768
[ 126.018074][ T5718] 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
[ 126.018089][ T5718] RSP: 002b:00007f817981ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 126.018106][ T5718] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 126.018119][ T5718] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 126.069517][ T5718] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 126.077798][ T5718] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 126.085868][ T5718] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 126.093950][ T5718]
[ 126.114411][ T5729] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 126.143539][ T5718] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 126.166058][ T5729] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 126.182997][ T5718] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 126.230377][ T5729] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 126.246877][ T5718] syz.4.66 (5718): drop_caches: 2
[ 126.451174][ T5738] loop2: detected capacity change from 0 to 32768
[ 126.460349][ T5715] syz.3.65 (5715): drop_caches: 2
[ 126.477569][ T5729] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 126.540305][ T5729] syz.1.67 (5729): drop_caches: 2
[ 126.551947][ T5738] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 126.551964][ T5738] CPU: 1 PID: 5738 Comm: syz.2.68 Not tainted syzkaller #0
[ 126.567601][ T5738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 126.577848][ T5738] Call Trace:
[ 126.581224][ T5738]
[ 126.584198][ T5738] dump_stack_lvl+0x168/0x230
[ 126.589100][ T5738] ? show_regs_print_info+0x20/0x20
[ 126.594318][ T5738] ? load_image+0x3b0/0x3b0
[ 126.598882][ T5738] sysfs_create_dir_ns+0x252/0x280
[ 126.604011][ T5738] ? __lock_acquire+0x7c60/0x7c60
[ 126.609055][ T5738] ? sysfs_warn_dup+0xa0/0xa0
[ 126.613802][ T5738] ? do_raw_spin_unlock+0x11d/0x230
[ 126.619298][ T5738] kobject_add_internal+0x662/0xd00
[ 126.624709][ T5738] kobject_init_and_add+0x122/0x190
[ 126.629926][ T5738] ? lockdep_softirqs_off+0x420/0x420
[ 126.635756][ T5738] ? kobject_add+0x210/0x210
[ 126.640407][ T5738] ? __init_swait_queue_head+0xa5/0x150
[ 126.646066][ T5738] gfs2_sys_fs_add+0x234/0x480
[ 126.651194][ T5738] ? gfs2_recover_set+0x240/0x240
[ 126.656402][ T5738] ? snprintf+0xd7/0x120
[ 126.660650][ T5738] ? __free_pages+0x95/0x1a0
[ 126.665331][ T5738] ? vscnprintf+0x80/0x80
[ 126.669869][ T5738] gfs2_fill_super+0x128d/0x1f50
[ 126.675053][ T5738] ? gfs2_reconfigure+0xcd0/0xcd0
[ 126.680578][ T5738] ? preempt_count_add+0x8d/0x190
[ 126.685808][ T5738] ? sb_set_blocksize+0xa5/0xe0
[ 126.690683][ T5738] get_tree_bdev+0x3f1/0x610
[ 126.695295][ T5738] ? gfs2_reconfigure+0xcd0/0xcd0
[ 126.700345][ T5738] gfs2_get_tree+0x4d/0x1e0
[ 126.704965][ T5738] vfs_get_tree+0x88/0x270
[ 126.709401][ T5738] do_new_mount+0x24a/0xa40
[ 126.714290][ T5738] __se_sys_mount+0x2d6/0x3c0
[ 126.719426][ T5738] ? __x64_sys_mount+0xc0/0xc0
[ 126.724309][ T5738] ? lockdep_hardirqs_on+0x94/0x140
[ 126.729518][ T5738] ? __x64_sys_mount+0x1c/0xc0
[ 126.734304][ T5738] do_syscall_64+0x4c/0xa0
[ 126.738719][ T5738] ? clear_bhb_loop+0x30/0x80
[ 126.743410][ T5738] ? clear_bhb_loop+0x30/0x80
[ 126.748139][ T5738] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 126.754039][ T5738] RIP: 0033:0x7f33e7f87efa
[ 126.758560][ T5738] 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
[ 126.778662][ T5738] RSP: 002b:00007f33e7205e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 126.787265][ T5738] RAX: ffffffffffffffda RBX: 00007f33e7205ef0 RCX: 00007f33e7f87efa
[ 126.795377][ T5738] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f33e7205eb0
[ 126.803764][ T5738] RBP: 0000000020000000 R08: 00007f33e7205ef0 R09: 0000000000008c1b
[ 126.812143][ T5738] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 126.820135][ T5738] R13: 00007f33e7205eb0 R14: 000000000001272b R15: 0000000020000240
[ 126.828391][ T5738]
[ 127.057079][ T5738] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 127.107609][ T5738] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 127.562941][ T5738] syz.2.68 (5738): drop_caches: 2
[ 127.856977][ T5748] loop3: detected capacity change from 0 to 32768
[ 127.870811][ T5743] loop4: detected capacity change from 0 to 32768
[ 127.878540][ T5745] loop0: detected capacity change from 0 to 32768
[ 127.926795][ T5748] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 127.951165][ T5745] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 127.955603][ T5748] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 127.972459][ T5745] CPU: 1 PID: 5745 Comm: syz.0.69 Not tainted syzkaller #0
[ 127.979791][ T5745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 127.989953][ T5745] Call Trace:
[ 127.993255][ T5745]
[ 127.996201][ T5745] dump_stack_lvl+0x168/0x230
[ 128.000894][ T5745] ? show_regs_print_info+0x20/0x20
[ 128.006224][ T5745] ? load_image+0x3b0/0x3b0
[ 128.010842][ T5745] sysfs_create_dir_ns+0x252/0x280
[ 128.015973][ T5745] ? __lock_acquire+0x7c60/0x7c60
[ 128.021016][ T5745] ? sysfs_warn_dup+0xa0/0xa0
[ 128.025978][ T5745] ? do_raw_spin_unlock+0x11d/0x230
[ 128.031287][ T5745] kobject_add_internal+0x662/0xd00
[ 128.036803][ T5745] kobject_init_and_add+0x122/0x190
[ 128.042230][ T5745] ? lockdep_softirqs_off+0x420/0x420
[ 128.047971][ T5745] ? kobject_add+0x210/0x210
[ 128.050360][ T5748] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 128.052657][ T5745] ? __init_swait_queue_head+0xa5/0x150
[ 128.052687][ T5745] gfs2_sys_fs_add+0x234/0x480
[ 128.052707][ T5745] ? gfs2_recover_set+0x240/0x240
[ 128.052723][ T5745] ? snprintf+0xd7/0x120
[ 128.052741][ T5745] ? __free_pages+0x95/0x1a0
[ 128.052767][ T5745] ? vscnprintf+0x80/0x80
[ 128.052793][ T5745] gfs2_fill_super+0x128d/0x1f50
[ 128.095178][ T5745] ? gfs2_reconfigure+0xcd0/0xcd0
[ 128.100401][ T5745] ? preempt_count_add+0x8d/0x190
[ 128.105450][ T5745] ? sb_set_blocksize+0xa5/0xe0
[ 128.110311][ T5745] get_tree_bdev+0x3f1/0x610
[ 128.114909][ T5745] ? gfs2_reconfigure+0xcd0/0xcd0
[ 128.120078][ T5745] gfs2_get_tree+0x4d/0x1e0
[ 128.124604][ T5745] vfs_get_tree+0x88/0x270
[ 128.129037][ T5745] do_new_mount+0x24a/0xa40
[ 128.133558][ T5745] __se_sys_mount+0x2d6/0x3c0
[ 128.138249][ T5745] ? __x64_sys_mount+0xc0/0xc0
[ 128.143020][ T5745] ? lockdep_hardirqs_on+0x94/0x140
[ 128.148214][ T5745] ? __x64_sys_mount+0x1c/0xc0
[ 128.152988][ T5745] do_syscall_64+0x4c/0xa0
[ 128.157410][ T5745] ? clear_bhb_loop+0x30/0x80
[ 128.162089][ T5745] ? clear_bhb_loop+0x30/0x80
[ 128.166772][ T5745] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 128.172664][ T5745] RIP: 0033:0x7faa0b2c7efa
[ 128.177081][ T5745] 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
[ 128.196959][ T5745] RSP: 002b:00007faa0a545e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 128.205384][ T5745] RAX: ffffffffffffffda RBX: 00007faa0a545ef0 RCX: 00007faa0b2c7efa
[ 128.213363][ T5745] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007faa0a545eb0
[ 128.221342][ T5745] RBP: 0000000020000000 R08: 00007faa0a545ef0 R09: 0000000000008c1b
[ 128.229324][ T5745] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 128.237791][ T5745] R13: 00007faa0a545eb0 R14: 000000000001272b R15: 0000000020000240
[ 128.246031][ T5745]
[ 128.254877][ T5743] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 128.301055][ T5743] CPU: 0 PID: 5743 Comm: syz.4.70 Not tainted syzkaller #0
[ 128.308295][ T5743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 128.318822][ T5743] Call Trace:
[ 128.322145][ T5743]
[ 128.325082][ T5743] dump_stack_lvl+0x168/0x230
[ 128.329781][ T5743] ? show_regs_print_info+0x20/0x20
[ 128.335190][ T5743] ? load_image+0x3b0/0x3b0
[ 128.339718][ T5743] sysfs_create_dir_ns+0x252/0x280
[ 128.344854][ T5743] ? __lock_acquire+0x7c60/0x7c60
[ 128.350347][ T5743] ? sysfs_warn_dup+0xa0/0xa0
[ 128.355225][ T5743] ? do_raw_spin_unlock+0x11d/0x230
[ 128.359684][ T5748] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 128.360430][ T5743] kobject_add_internal+0x662/0xd00
[ 128.360459][ T5743] kobject_init_and_add+0x122/0x190
[ 128.379331][ T5743] ? lockdep_softirqs_off+0x420/0x420
[ 128.384986][ T5743] ? kobject_add+0x210/0x210
[ 128.389596][ T5743] ? __init_swait_queue_head+0xa5/0x150
[ 128.395157][ T5743] gfs2_sys_fs_add+0x234/0x480
[ 128.400019][ T5743] ? gfs2_recover_set+0x240/0x240
[ 128.405067][ T5743] ? snprintf+0xd7/0x120
[ 128.409441][ T5743] ? __free_pages+0x95/0x1a0
[ 128.414037][ T5743] ? vscnprintf+0x80/0x80
[ 128.418653][ T5743] gfs2_fill_super+0x128d/0x1f50
[ 128.423630][ T5743] ? gfs2_reconfigure+0xcd0/0xcd0
[ 128.427895][ T5755] loop1: detected capacity change from 0 to 32768
[ 128.428678][ T5743] ? preempt_count_add+0x8d/0x190
[ 128.440481][ T5743] ? sb_set_blocksize+0xa5/0xe0
[ 128.445359][ T5743] get_tree_bdev+0x3f1/0x610
[ 128.450049][ T5743] ? gfs2_reconfigure+0xcd0/0xcd0
[ 128.455194][ T5743] gfs2_get_tree+0x4d/0x1e0
[ 128.459711][ T5743] vfs_get_tree+0x88/0x270
[ 128.464137][ T5743] do_new_mount+0x24a/0xa40
[ 128.464191][ T5745] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 128.468644][ T5743] __se_sys_mount+0x2d6/0x3c0
[ 128.468666][ T5743] ? __x64_sys_mount+0xc0/0xc0
[ 128.468685][ T5743] ? lockdep_hardirqs_on+0x94/0x140
[ 128.468700][ T5743] ? __x64_sys_mount+0x1c/0xc0
[ 128.468716][ T5743] do_syscall_64+0x4c/0xa0
[ 128.468729][ T5743] ? clear_bhb_loop+0x30/0x80
[ 128.468742][ T5743] ? clear_bhb_loop+0x30/0x80
[ 128.468757][ T5743] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 128.468771][ T5743] RIP: 0033:0x7f817a59cefa
[ 128.468786][ T5743] 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
[ 128.468800][ T5743] RSP: 002b:00007f817981ae68 EFLAGS: 00000246
[ 128.499093][ T5745] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 128.502732][ T5743] ORIG_RAX: 00000000000000a5
[ 128.502743][ T5743] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 128.502754][ T5743] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 128.502764][ T5743] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 128.502774][ T5743] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 128.502784][ T5743] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 128.502806][ T5743]
[ 128.544483][ T5748] syz.3.71 (5748): drop_caches: 2
[ 128.625630][ T5743] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 128.629038][ T5745] syz.0.69 (5745): drop_caches: 2
[ 128.645687][ T5743] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 128.658924][ T5755] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 128.700009][ T5755] CPU: 0 PID: 5755 Comm: syz.1.72 Not tainted syzkaller #0
[ 128.707248][ T5755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 128.717414][ T5755] Call Trace:
[ 128.720728][ T5755]
[ 128.723667][ T5755] dump_stack_lvl+0x168/0x230
[ 128.728661][ T5755] ? show_regs_print_info+0x20/0x20
[ 128.734348][ T5755] ? load_image+0x3b0/0x3b0
[ 128.738966][ T5755] sysfs_create_dir_ns+0x252/0x280
[ 128.744095][ T5755] ? __lock_acquire+0x7c60/0x7c60
[ 128.749141][ T5755] ? sysfs_warn_dup+0xa0/0xa0
[ 128.754121][ T5755] ? do_raw_spin_unlock+0x11d/0x230
[ 128.759369][ T5755] kobject_add_internal+0x662/0xd00
[ 128.764687][ T5755] kobject_init_and_add+0x122/0x190
[ 128.769904][ T5755] ? lockdep_softirqs_off+0x420/0x420
[ 128.775402][ T5755] ? kobject_add+0x210/0x210
[ 128.780018][ T5755] ? __init_swait_queue_head+0xa5/0x150
[ 128.785581][ T5755] gfs2_sys_fs_add+0x234/0x480
[ 128.790442][ T5755] ? gfs2_recover_set+0x240/0x240
[ 128.795491][ T5755] ? snprintf+0xd7/0x120
[ 128.799749][ T5755] ? __free_pages+0x95/0x1a0
[ 128.804367][ T5755] ? vscnprintf+0x80/0x80
[ 128.808722][ T5755] gfs2_fill_super+0x128d/0x1f50
[ 128.814216][ T5755] ? gfs2_reconfigure+0xcd0/0xcd0
[ 128.819267][ T5755] ? preempt_count_add+0x8d/0x190
[ 128.824581][ T5755] ? sb_set_blocksize+0xa5/0xe0
[ 128.829536][ T5755] get_tree_bdev+0x3f1/0x610
[ 128.834146][ T5755] ? gfs2_reconfigure+0xcd0/0xcd0
[ 128.839187][ T5755] gfs2_get_tree+0x4d/0x1e0
[ 128.843713][ T5755] vfs_get_tree+0x88/0x270
[ 128.848229][ T5755] do_new_mount+0x24a/0xa40
[ 128.852846][ T5755] __se_sys_mount+0x2d6/0x3c0
[ 128.857800][ T5755] ? __x64_sys_mount+0xc0/0xc0
[ 128.862676][ T5755] ? lockdep_hardirqs_on+0x94/0x140
[ 128.867882][ T5755] ? __x64_sys_mount+0x1c/0xc0
[ 128.872741][ T5755] do_syscall_64+0x4c/0xa0
[ 128.877252][ T5755] ? clear_bhb_loop+0x30/0x80
[ 128.881964][ T5755] ? clear_bhb_loop+0x30/0x80
[ 128.886651][ T5755] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 128.892551][ T5755] RIP: 0033:0x7f45b14dcefa
[ 128.896979][ T5755] 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
[ 128.916837][ T5755] RSP: 002b:00007f45b075ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 128.925696][ T5755] RAX: ffffffffffffffda RBX: 00007f45b075aef0 RCX: 00007f45b14dcefa
[ 128.933746][ T5755] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f45b075aeb0
[ 128.942134][ T5755] RBP: 0000000020000000 R08: 00007f45b075aef0 R09: 0000000000008c1b
[ 128.950175][ T5755] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 128.958293][ T5755] R13: 00007f45b075aeb0 R14: 000000000001272b R15: 0000000020000240
[ 128.966867][ T5755]
[ 129.408016][ T5764] loop2: detected capacity change from 0 to 32768
[ 129.451802][ T5755] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 129.502615][ T5764] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 129.513304][ T5755] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2025/09/10 10:59:34 executed programs: 71
[ 129.571750][ T5764] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 129.643138][ T5764] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 129.889668][ T5755] syz.1.72 (5755): drop_caches: 2
[ 129.918192][ T5764] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 129.986464][ T5764] syz.2.73 (5764): drop_caches: 2
[ 130.245464][ T5779] loop3: detected capacity change from 0 to 32768
[ 130.303557][ T5779] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 130.359397][ T5779] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 130.366956][ T5784] loop0: detected capacity change from 0 to 32768
[ 130.441952][ T5779] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 130.447257][ T5784] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 130.509861][ T5784] CPU: 0 PID: 5784 Comm: syz.0.75 Not tainted syzkaller #0
[ 130.517118][ T5784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 130.527301][ T5784] Call Trace:
[ 130.530672][ T5784]
[ 130.533633][ T5784] dump_stack_lvl+0x168/0x230
[ 130.538339][ T5784] ? show_regs_print_info+0x20/0x20
[ 130.543640][ T5784] ? load_image+0x3b0/0x3b0
[ 130.548210][ T5784] sysfs_create_dir_ns+0x252/0x280
[ 130.553426][ T5784] ? __lock_acquire+0x7c60/0x7c60
[ 130.558749][ T5784] ? sysfs_warn_dup+0xa0/0xa0
[ 130.563529][ T5784] ? do_raw_spin_unlock+0x11d/0x230
[ 130.568744][ T5784] kobject_add_internal+0x662/0xd00
[ 130.573964][ T5784] kobject_init_and_add+0x122/0x190
[ 130.579177][ T5784] ? lockdep_softirqs_off+0x420/0x420
[ 130.584568][ T5784] ? kobject_add+0x210/0x210
[ 130.589185][ T5784] ? __init_swait_queue_head+0xa5/0x150
[ 130.594894][ T5784] gfs2_sys_fs_add+0x234/0x480
[ 130.599853][ T5784] ? gfs2_recover_set+0x240/0x240
[ 130.605076][ T5784] ? snprintf+0xd7/0x120
[ 130.609330][ T5784] ? __free_pages+0x95/0x1a0
[ 130.613929][ T5784] ? vscnprintf+0x80/0x80
[ 130.618360][ T5784] gfs2_fill_super+0x128d/0x1f50
[ 130.623318][ T5784] ? gfs2_reconfigure+0xcd0/0xcd0
[ 130.628479][ T5784] ? preempt_count_add+0x8d/0x190
[ 130.633534][ T5784] ? sb_set_blocksize+0xa5/0xe0
[ 130.638582][ T5784] get_tree_bdev+0x3f1/0x610
[ 130.643359][ T5784] ? gfs2_reconfigure+0xcd0/0xcd0
[ 130.648482][ T5784] gfs2_get_tree+0x4d/0x1e0
[ 130.653005][ T5784] vfs_get_tree+0x88/0x270
[ 130.654749][ T5779] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 130.657639][ T5784] do_new_mount+0x24a/0xa40
[ 130.670326][ T5784] __se_sys_mount+0x2d6/0x3c0
[ 130.675168][ T5784] ? __x64_sys_mount+0xc0/0xc0
[ 130.680564][ T5784] ? lockdep_hardirqs_on+0x94/0x140
[ 130.685862][ T5784] ? __x64_sys_mount+0x1c/0xc0
[ 130.690834][ T5784] do_syscall_64+0x4c/0xa0
[ 130.695267][ T5784] ? clear_bhb_loop+0x30/0x80
[ 130.699956][ T5784] ? clear_bhb_loop+0x30/0x80
[ 130.704650][ T5784] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 130.710551][ T5784] RIP: 0033:0x7faa0b2c7efa
[ 130.715089][ T5784] 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
[ 130.726440][ T5779] syz.3.74 (5779): drop_caches: 2
[ 130.734966][ T5784] RSP: 002b:00007faa0a545e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 130.734993][ T5784] RAX: ffffffffffffffda RBX: 00007faa0a545ef0 RCX: 00007faa0b2c7efa
[ 130.735004][ T5784] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007faa0a545eb0
[ 130.735015][ T5784] RBP: 0000000020000000 R08: 00007faa0a545ef0 R09: 0000000000008c1b
[ 130.735025][ T5784] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 130.735034][ T5784] R13: 00007faa0a545eb0 R14: 000000000001272b R15: 0000000020000240
[ 130.735057][ T5784]
[ 130.793691][ T5784] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 130.810918][ T5784] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 131.060504][ T5791] loop4: detected capacity change from 0 to 32768
[ 131.104079][ T5791] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 131.140596][ T5791] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 131.211776][ T5791] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 131.307392][ T5798] loop1: detected capacity change from 0 to 32768
[ 131.404650][ T5791] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 131.418342][ T5798] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 131.447783][ T5798] CPU: 0 PID: 5798 Comm: syz.1.77 Not tainted syzkaller #0
[ 131.455120][ T5798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 131.465441][ T5798] Call Trace:
[ 131.468720][ T5798]
[ 131.471646][ T5798] dump_stack_lvl+0x168/0x230
[ 131.476591][ T5798] ? show_regs_print_info+0x20/0x20
[ 131.481802][ T5798] ? load_image+0x3b0/0x3b0
[ 131.481823][ T5803] loop2: detected capacity change from 0 to 32768
[ 131.486338][ T5798] sysfs_create_dir_ns+0x252/0x280
[ 131.486362][ T5798] ? __lock_acquire+0x7c60/0x7c60
[ 131.502911][ T5798] ? sysfs_warn_dup+0xa0/0xa0
[ 131.507615][ T5798] ? do_raw_spin_unlock+0x11d/0x230
[ 131.512830][ T5798] kobject_add_internal+0x662/0xd00
[ 131.517379][ T5791] syz.4.76 (5791): drop_caches: 2
[ 131.518040][ T5798] kobject_init_and_add+0x122/0x190
[ 131.528541][ T5798] ? lockdep_softirqs_off+0x420/0x420
[ 131.533939][ T5798] ? kobject_add+0x210/0x210
[ 131.538545][ T5798] ? __init_swait_queue_head+0xa5/0x150
[ 131.544123][ T5798] gfs2_sys_fs_add+0x234/0x480
[ 131.548901][ T5798] ? gfs2_recover_set+0x240/0x240
[ 131.554026][ T5798] ? snprintf+0xd7/0x120
[ 131.556496][ T5784] syz.0.75 (5784): drop_caches: 2
[ 131.558272][ T5798] ? __free_pages+0x95/0x1a0
[ 131.558299][ T5798] ? vscnprintf+0x80/0x80
[ 131.572310][ T5798] gfs2_fill_super+0x128d/0x1f50
[ 131.577276][ T5798] ? gfs2_reconfigure+0xcd0/0xcd0
[ 131.582492][ T5798] ? preempt_count_add+0x8d/0x190
[ 131.587541][ T5798] ? sb_set_blocksize+0xa5/0xe0
[ 131.592408][ T5798] get_tree_bdev+0x3f1/0x610
[ 131.597017][ T5798] ? gfs2_reconfigure+0xcd0/0xcd0
[ 131.602049][ T5798] gfs2_get_tree+0x4d/0x1e0
[ 131.606564][ T5798] vfs_get_tree+0x88/0x270
[ 131.610993][ T5798] do_new_mount+0x24a/0xa40
[ 131.615599][ T5798] __se_sys_mount+0x2d6/0x3c0
[ 131.620288][ T5798] ? __x64_sys_mount+0xc0/0xc0
[ 131.625060][ T5798] ? lockdep_hardirqs_on+0x94/0x140
[ 131.630265][ T5798] ? __x64_sys_mount+0x1c/0xc0
[ 131.635135][ T5798] do_syscall_64+0x4c/0xa0
[ 131.639559][ T5798] ? clear_bhb_loop+0x30/0x80
[ 131.644333][ T5798] ? clear_bhb_loop+0x30/0x80
[ 131.649050][ T5798] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 131.654971][ T5798] RIP: 0033:0x7f45b14dcefa
[ 131.659396][ T5798] 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
[ 131.679289][ T5798] RSP: 002b:00007f45b075ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 131.687902][ T5798] RAX: ffffffffffffffda RBX: 00007f45b075aef0 RCX: 00007f45b14dcefa
[ 131.696152][ T5798] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f45b075aeb0
[ 131.704132][ T5798] RBP: 0000000020000000 R08: 00007f45b075aef0 R09: 0000000000008c1b
[ 131.712236][ T5798] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 131.720216][ T5798] R13: 00007f45b075aeb0 R14: 000000000001272b R15: 0000000020000240
[ 131.728238][ T5798]
[ 131.796939][ T5803] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 131.811849][ T5803] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 131.866849][ T5803] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 131.971786][ T5798] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 132.031801][ T5798] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 132.101997][ T5803] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 132.158574][ T5803] syz.2.78 (5803): drop_caches: 2
[ 132.201371][ T5818] loop3: detected capacity change from 0 to 32768
[ 132.239605][ T5818] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 132.258738][ T5818] CPU: 0 PID: 5818 Comm: syz.3.79 Not tainted syzkaller #0
[ 132.265976][ T5818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 132.276035][ T5818] Call Trace:
[ 132.279412][ T5818]
[ 132.282350][ T5818] dump_stack_lvl+0x168/0x230
[ 132.287132][ T5818] ? show_regs_print_info+0x20/0x20
[ 132.292519][ T5818] ? load_image+0x3b0/0x3b0
[ 132.297197][ T5818] sysfs_create_dir_ns+0x252/0x280
[ 132.302335][ T5818] ? __lock_acquire+0x7c60/0x7c60
[ 132.307466][ T5818] ? sysfs_warn_dup+0xa0/0xa0
[ 132.312432][ T5818] ? do_raw_spin_unlock+0x11d/0x230
[ 132.317648][ T5818] kobject_add_internal+0x662/0xd00
[ 132.322879][ T5818] kobject_init_and_add+0x122/0x190
[ 132.328268][ T5818] ? lockdep_softirqs_off+0x420/0x420
[ 132.333672][ T5818] ? kobject_add+0x210/0x210
[ 132.338276][ T5818] ? __init_swait_queue_head+0xa5/0x150
[ 132.343856][ T5818] gfs2_sys_fs_add+0x234/0x480
[ 132.348735][ T5818] ? gfs2_recover_set+0x240/0x240
[ 132.353868][ T5818] ? snprintf+0xd7/0x120
[ 132.358127][ T5818] ? __free_pages+0x95/0x1a0
[ 132.362730][ T5818] ? vscnprintf+0x80/0x80
[ 132.367170][ T5818] gfs2_fill_super+0x128d/0x1f50
[ 132.372358][ T5818] ? gfs2_reconfigure+0xcd0/0xcd0
[ 132.377406][ T5818] ? preempt_count_add+0x8d/0x190
[ 132.382458][ T5818] ? sb_set_blocksize+0xa5/0xe0
[ 132.387320][ T5818] get_tree_bdev+0x3f1/0x610
[ 132.391998][ T5818] ? gfs2_reconfigure+0xcd0/0xcd0
[ 132.397023][ T5818] gfs2_get_tree+0x4d/0x1e0
[ 132.401531][ T5818] vfs_get_tree+0x88/0x270
[ 132.405958][ T5818] do_new_mount+0x24a/0xa40
[ 132.410565][ T5818] __se_sys_mount+0x2d6/0x3c0
[ 132.415250][ T5818] ? __x64_sys_mount+0xc0/0xc0
[ 132.420031][ T5818] ? lockdep_hardirqs_on+0x94/0x140
[ 132.425403][ T5818] ? __x64_sys_mount+0x1c/0xc0
[ 132.430264][ T5818] do_syscall_64+0x4c/0xa0
[ 132.434861][ T5818] ? clear_bhb_loop+0x30/0x80
[ 132.439637][ T5818] ? clear_bhb_loop+0x30/0x80
[ 132.444416][ T5818] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 132.450322][ T5818] RIP: 0033:0x7f25b0179efa
[ 132.454749][ T5818] 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
[ 132.474457][ T5818] RSP: 002b:00007f25af3f7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 132.483237][ T5818] RAX: ffffffffffffffda RBX: 00007f25af3f7ef0 RCX: 00007f25b0179efa
[ 132.491307][ T5818] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f25af3f7eb0
[ 132.496138][ T5798] syz.1.77 (5798): drop_caches: 2
[ 132.499735][ T5818] RBP: 0000000020000000 R08: 00007f25af3f7ef0 R09: 0000000000008c1b
[ 132.499750][ T5818] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 132.499759][ T5818] R13: 00007f25af3f7eb0 R14: 000000000001272b R15: 0000000020000240
[ 132.499783][ T5818]
[ 132.804432][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.811280][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[ 132.901760][ T5818] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 132.902595][ T5824] loop0: detected capacity change from 0 to 32768
[ 132.938709][ T5818] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 132.988195][ T5826] loop4: detected capacity change from 0 to 32768
[ 133.021832][ T5824] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 133.069308][ T5824] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 133.071584][ T5826] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 133.122677][ T5824] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 133.141933][ T5826] CPU: 0 PID: 5826 Comm: syz.4.80 Not tainted syzkaller #0
[ 133.149187][ T5826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 133.159353][ T5826] Call Trace:
[ 133.162727][ T5826]
[ 133.165673][ T5826] dump_stack_lvl+0x168/0x230
[ 133.170379][ T5826] ? show_regs_print_info+0x20/0x20
[ 133.175755][ T5826] ? load_image+0x3b0/0x3b0
[ 133.180470][ T5826] sysfs_create_dir_ns+0x252/0x280
[ 133.185599][ T5826] ? __lock_acquire+0x7c60/0x7c60
[ 133.190639][ T5826] ? sysfs_warn_dup+0xa0/0xa0
[ 133.195444][ T5826] ? do_raw_spin_unlock+0x11d/0x230
[ 133.200660][ T5826] kobject_add_internal+0x662/0xd00
[ 133.205975][ T5826] kobject_init_and_add+0x122/0x190
[ 133.211376][ T5826] ? lockdep_softirqs_off+0x420/0x420
[ 133.216865][ T5826] ? kobject_add+0x210/0x210
[ 133.221552][ T5826] ? __init_swait_queue_head+0xa5/0x150
[ 133.227125][ T5826] gfs2_sys_fs_add+0x234/0x480
[ 133.231939][ T5826] ? gfs2_recover_set+0x240/0x240
[ 133.237158][ T5826] ? snprintf+0xd7/0x120
[ 133.241412][ T5826] ? __free_pages+0x95/0x1a0
[ 133.246019][ T5826] ? vscnprintf+0x80/0x80
[ 133.250473][ T5826] gfs2_fill_super+0x128d/0x1f50
[ 133.255434][ T5826] ? gfs2_reconfigure+0xcd0/0xcd0
[ 133.260561][ T5826] ? preempt_count_add+0x8d/0x190
[ 133.265700][ T5826] ? sb_set_blocksize+0xa5/0xe0
[ 133.270608][ T5826] get_tree_bdev+0x3f1/0x610
[ 133.275215][ T5826] ? gfs2_reconfigure+0xcd0/0xcd0
[ 133.280274][ T5826] gfs2_get_tree+0x4d/0x1e0
[ 133.284793][ T5826] vfs_get_tree+0x88/0x270
[ 133.289317][ T5826] do_new_mount+0x24a/0xa40
[ 133.294104][ T5826] __se_sys_mount+0x2d6/0x3c0
[ 133.298891][ T5826] ? __x64_sys_mount+0xc0/0xc0
[ 133.303671][ T5826] ? lockdep_hardirqs_on+0x94/0x140
[ 133.308897][ T5826] ? __x64_sys_mount+0x1c/0xc0
[ 133.313670][ T5826] do_syscall_64+0x4c/0xa0
[ 133.318093][ T5826] ? clear_bhb_loop+0x30/0x80
[ 133.321816][ T5818] syz.3.79 (5818): drop_caches: 2
[ 133.322877][ T5826] ? clear_bhb_loop+0x30/0x80
[ 133.322900][ T5826] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 133.322917][ T5826] RIP: 0033:0x7f817a59cefa
[ 133.322934][ T5826] 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
[ 133.322948][ T5826] RSP: 002b:00007f817981ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 133.322966][ T5826] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 133.322978][ T5826] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 133.323006][ T5826] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 133.323018][ T5826] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 133.323029][ T5826] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 133.323055][ T5826]
[ 133.470812][ T5824] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 133.502958][ T5824] syz.0.81 (5824): drop_caches: 2
[ 133.561864][ T5826] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 133.591801][ T5826] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 133.603507][ T5830] loop1: detected capacity change from 0 to 32768
[ 133.631986][ T5830] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 133.681730][ T5830] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 133.747708][ T5830] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 133.900931][ T5829] loop2: detected capacity change from 0 to 32768
[ 133.953869][ T5830] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 133.968697][ T5829] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 133.982053][ T5829] CPU: 1 PID: 5829 Comm: syz.2.82 Not tainted syzkaller #0
[ 133.989298][ T5829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 133.999451][ T5829] Call Trace:
[ 134.002744][ T5829]
[ 134.005729][ T5829] dump_stack_lvl+0x168/0x230
[ 134.010444][ T5829] ? show_regs_print_info+0x20/0x20
[ 134.015674][ T5829] ? load_image+0x3b0/0x3b0
[ 134.020215][ T5829] sysfs_create_dir_ns+0x252/0x280
[ 134.025346][ T5829] ? __lock_acquire+0x7c60/0x7c60
[ 134.030388][ T5829] ? sysfs_warn_dup+0xa0/0xa0
[ 134.035094][ T5829] ? do_raw_spin_unlock+0x11d/0x230
[ 134.040560][ T5829] kobject_add_internal+0x662/0xd00
[ 134.045787][ T5829] kobject_init_and_add+0x122/0x190
[ 134.051121][ T5829] ? lockdep_softirqs_off+0x420/0x420
[ 134.056539][ T5829] ? kobject_add+0x210/0x210
[ 134.061166][ T5829] ? __init_swait_queue_head+0xa5/0x150
[ 134.066747][ T5829] gfs2_sys_fs_add+0x234/0x480
[ 134.071706][ T5829] ? gfs2_recover_set+0x240/0x240
[ 134.076835][ T5829] ? snprintf+0xd7/0x120
[ 134.081188][ T5829] ? __free_pages+0x95/0x1a0
[ 134.085804][ T5829] ? vscnprintf+0x80/0x80
[ 134.090245][ T5829] gfs2_fill_super+0x128d/0x1f50
[ 134.095311][ T5829] ? gfs2_reconfigure+0xcd0/0xcd0
[ 134.101024][ T5829] ? preempt_count_add+0x8d/0x190
[ 134.106247][ T5829] ? sb_set_blocksize+0xa5/0xe0
[ 134.111301][ T5829] get_tree_bdev+0x3f1/0x610
[ 134.116208][ T5829] ? gfs2_reconfigure+0xcd0/0xcd0
[ 134.121614][ T5829] gfs2_get_tree+0x4d/0x1e0
[ 134.126261][ T5829] vfs_get_tree+0x88/0x270
[ 134.133229][ T5829] do_new_mount+0x24a/0xa40
[ 134.137869][ T5829] __se_sys_mount+0x2d6/0x3c0
[ 134.143545][ T5829] ? __x64_sys_mount+0xc0/0xc0
[ 134.148422][ T5829] ? lockdep_hardirqs_on+0x94/0x140
[ 134.153641][ T5829] ? __x64_sys_mount+0x1c/0xc0
[ 134.158508][ T5829] do_syscall_64+0x4c/0xa0
[ 134.163245][ T5829] ? clear_bhb_loop+0x30/0x80
[ 134.168321][ T5829] ? clear_bhb_loop+0x30/0x80
[ 134.173203][ T5829] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 134.179993][ T5829] RIP: 0033:0x7f33e7f87efa
[ 134.184553][ T5829] 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
[ 134.204798][ T5829] RSP: 002b:00007f33e7205e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 134.213576][ T5829] RAX: ffffffffffffffda RBX: 00007f33e7205ef0 RCX: 00007f33e7f87efa
[ 134.221564][ T5829] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f33e7205eb0
[ 134.229868][ T5829] RBP: 0000000020000000 R08: 00007f33e7205ef0 R09: 0000000000008c1b
[ 134.238441][ T5829] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 134.246817][ T5829] R13: 00007f33e7205eb0 R14: 000000000001272b R15: 0000000020000240
[ 134.254819][ T5829]
[ 134.288250][ T5829] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 134.332383][ T5829] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 134.364967][ T5830] syz.1.83 (5830): drop_caches: 2
[ 134.374004][ T5829] syz.2.82 (5829): drop_caches: 2
[ 134.870388][ T5832] loop3: detected capacity change from 0 to 32768
[ 134.931016][ T5832] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 134.974440][ T5832] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 135.028122][ T5832] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 135.197196][ T5834] loop0: detected capacity change from 0 to 32768
[ 135.217506][ T5832] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 135.255903][ T5834] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 135.276499][ T5832] syz.3.85 (5832): drop_caches: 2
[ 135.301755][ T5834] CPU: 1 PID: 5834 Comm: syz.0.84 Not tainted syzkaller #0
[ 135.309204][ T5834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 135.319532][ T5834] Call Trace:
[ 135.322872][ T5834]
[ 135.326073][ T5834] dump_stack_lvl+0x168/0x230
[ 135.331244][ T5834] ? show_regs_print_info+0x20/0x20
[ 135.336552][ T5834] ? load_image+0x3b0/0x3b0
[ 135.341187][ T5834] sysfs_create_dir_ns+0x252/0x280
[ 135.346462][ T5834] ? __lock_acquire+0x7c60/0x7c60
2025/09/10 10:59:40 executed programs: 84
[ 135.352000][ T5834] ? sysfs_warn_dup+0xa0/0xa0
[ 135.357192][ T5834] ? do_raw_spin_unlock+0x11d/0x230
[ 135.362632][ T5834] kobject_add_internal+0x662/0xd00
[ 135.368163][ T5834] kobject_init_and_add+0x122/0x190
[ 135.373386][ T5834] ? lockdep_softirqs_off+0x420/0x420
[ 135.378894][ T5834] ? kobject_add+0x210/0x210
[ 135.383513][ T5834] ? __init_swait_queue_head+0xa5/0x150
[ 135.389199][ T5834] gfs2_sys_fs_add+0x234/0x480
[ 135.393993][ T5834] ? gfs2_recover_set+0x240/0x240
[ 135.399298][ T5834] ? snprintf+0xd7/0x120
[ 135.403559][ T5834] ? __free_pages+0x95/0x1a0
[ 135.408218][ T5834] ? vscnprintf+0x80/0x80
[ 135.412577][ T5834] gfs2_fill_super+0x128d/0x1f50
[ 135.418527][ T5834] ? gfs2_reconfigure+0xcd0/0xcd0
[ 135.424097][ T5834] ? preempt_count_add+0x8d/0x190
[ 135.429547][ T5834] ? sb_set_blocksize+0xa5/0xe0
[ 135.434613][ T5834] get_tree_bdev+0x3f1/0x610
[ 135.439416][ T5834] ? gfs2_reconfigure+0xcd0/0xcd0
[ 135.444974][ T5834] gfs2_get_tree+0x4d/0x1e0
[ 135.449580][ T5834] vfs_get_tree+0x88/0x270
[ 135.454017][ T5834] do_new_mount+0x24a/0xa40
[ 135.458821][ T5834] __se_sys_mount+0x2d6/0x3c0
[ 135.463657][ T5834] ? __x64_sys_mount+0xc0/0xc0
[ 135.468495][ T5834] ? lockdep_hardirqs_on+0x94/0x140
[ 135.473705][ T5834] ? __x64_sys_mount+0x1c/0xc0
[ 135.478816][ T5834] do_syscall_64+0x4c/0xa0
[ 135.483456][ T5834] ? clear_bhb_loop+0x30/0x80
[ 135.488790][ T5834] ? clear_bhb_loop+0x30/0x80
[ 135.494679][ T5834] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 135.500808][ T5834] RIP: 0033:0x7faa0b2c7efa
[ 135.505255][ T5834] 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
[ 135.525833][ T5834] RSP: 002b:00007faa0a545e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 135.534354][ T5834] RAX: ffffffffffffffda RBX: 00007faa0a545ef0 RCX: 00007faa0b2c7efa
[ 135.542565][ T5834] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007faa0a545eb0
[ 135.550998][ T5834] RBP: 0000000020000000 R08: 00007faa0a545ef0 R09: 0000000000008c1b
[ 135.560465][ T5834] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 135.568985][ T5834] R13: 00007faa0a545eb0 R14: 000000000001272b R15: 0000000020000240
[ 135.577340][ T5834]
[ 135.600435][ T5841] loop1: detected capacity change from 0 to 32768
[ 135.619986][ T5837] loop4: detected capacity change from 0 to 32768
[ 135.660456][ T5837] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 135.670409][ T5841] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 135.706084][ T5837] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 135.715488][ T5841] CPU: 0 PID: 5841 Comm: syz.1.87 Not tainted syzkaller #0
[ 135.722714][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 135.726284][ T5839] loop2: detected capacity change from 0 to 32768
[ 135.732809][ T5841] Call Trace:
[ 135.732819][ T5841]
[ 135.732825][ T5841] dump_stack_lvl+0x168/0x230
[ 135.732849][ T5841] ? show_regs_print_info+0x20/0x20
[ 135.732866][ T5841] ? load_image+0x3b0/0x3b0
[ 135.759979][ T5841] sysfs_create_dir_ns+0x252/0x280
[ 135.765178][ T5841] ? __lock_acquire+0x7c60/0x7c60
[ 135.770281][ T5841] ? sysfs_warn_dup+0xa0/0xa0
[ 135.774945][ T5841] ? do_raw_spin_unlock+0x11d/0x230
[ 135.780126][ T5841] kobject_add_internal+0x662/0xd00
[ 135.785500][ T5841] kobject_init_and_add+0x122/0x190
[ 135.790965][ T5841] ? lockdep_softirqs_off+0x420/0x420
[ 135.796526][ T5841] ? kobject_add+0x210/0x210
[ 135.801108][ T5841] ? __init_swait_queue_head+0xa5/0x150
[ 135.806646][ T5841] gfs2_sys_fs_add+0x234/0x480
[ 135.811403][ T5841] ? gfs2_recover_set+0x240/0x240
[ 135.816620][ T5841] ? snprintf+0xd7/0x120
[ 135.820851][ T5841] ? __free_pages+0x95/0x1a0
[ 135.825433][ T5841] ? vscnprintf+0x80/0x80
[ 135.829767][ T5841] gfs2_fill_super+0x128d/0x1f50
[ 135.834940][ T5841] ? gfs2_reconfigure+0xcd0/0xcd0
[ 135.840039][ T5841] ? preempt_count_add+0x8d/0x190
[ 135.845062][ T5841] ? sb_set_blocksize+0xa5/0xe0
[ 135.849901][ T5841] get_tree_bdev+0x3f1/0x610
[ 135.854476][ T5841] ? gfs2_reconfigure+0xcd0/0xcd0
[ 135.859588][ T5841] gfs2_get_tree+0x4d/0x1e0
[ 135.864175][ T5841] vfs_get_tree+0x88/0x270
[ 135.868608][ T5841] do_new_mount+0x24a/0xa40
[ 135.881855][ T5841] __se_sys_mount+0x2d6/0x3c0
[ 135.886639][ T5841] ? __x64_sys_mount+0xc0/0xc0
[ 135.891558][ T5841] ? lockdep_hardirqs_on+0x94/0x140
[ 135.896737][ T5841] ? __x64_sys_mount+0x1c/0xc0
[ 135.901676][ T5841] do_syscall_64+0x4c/0xa0
[ 135.906339][ T5841] ? clear_bhb_loop+0x30/0x80
[ 135.911020][ T5841] ? clear_bhb_loop+0x30/0x80
[ 135.915866][ T5841] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 135.922060][ T5841] RIP: 0033:0x7f45b14dcefa
[ 135.926497][ T5841] 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
[ 135.946870][ T5841] RSP: 002b:00007f45b075ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 135.955544][ T5841] RAX: ffffffffffffffda RBX: 00007f45b075aef0 RCX: 00007f45b14dcefa
[ 135.963523][ T5841] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f45b075aeb0
[ 135.971668][ T5841] RBP: 0000000020000000 R08: 00007f45b075aef0 R09: 0000000000008c1b
[ 135.979736][ T5841] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 135.988310][ T5841] R13: 00007f45b075aeb0 R14: 000000000001272b R15: 0000000020000240
[ 135.996279][ T5841]
[ 136.000366][ T5834] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 136.021962][ T5837] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 136.051302][ T5834] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 136.152383][ T5837] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 136.191808][ T5841] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 136.231793][ T5841] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 136.239755][ T5837] syz.4.86 (5837): drop_caches: 2
[ 136.421151][ T5834] syz.0.84 (5834): drop_caches: 2
[ 136.643166][ T5841] syz.1.87 (5841): drop_caches: 2
[ 136.735615][ T5839] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 136.771714][ T5839] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 136.800586][ T5839] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 136.885363][ T5843] loop3: detected capacity change from 0 to 32768
[ 136.941910][ T5843] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 136.967506][ T5843] CPU: 1 PID: 5843 Comm: syz.3.89 Not tainted syzkaller #0
[ 136.974754][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 136.977230][ T5839] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 136.985033][ T5843] Call Trace:
[ 136.985046][ T5843]
[ 136.985053][ T5843] dump_stack_lvl+0x168/0x230
[ 136.985081][ T5843] ? show_regs_print_info+0x20/0x20
[ 136.985097][ T5843] ? load_image+0x3b0/0x3b0
[ 136.985122][ T5843] sysfs_create_dir_ns+0x252/0x280
[ 136.985140][ T5843] ? __lock_acquire+0x7c60/0x7c60
[ 136.985159][ T5843] ? sysfs_warn_dup+0xa0/0xa0
[ 136.985181][ T5843] ? do_raw_spin_unlock+0x11d/0x230
[ 136.985202][ T5843] kobject_add_internal+0x662/0xd00
[ 136.985223][ T5843] kobject_init_and_add+0x122/0x190
[ 136.985238][ T5843] ? lockdep_softirqs_off+0x420/0x420
[ 137.050454][ T5843] ? kobject_add+0x210/0x210
[ 137.055145][ T5843] ? __init_swait_queue_head+0xa5/0x150
[ 137.060709][ T5843] gfs2_sys_fs_add+0x234/0x480
[ 137.065400][ T5839] syz.2.88 (5839): drop_caches: 2
[ 137.065481][ T5843] ? gfs2_recover_set+0x240/0x240
[ 137.075525][ T5843] ? snprintf+0xd7/0x120
[ 137.079792][ T5843] ? __free_pages+0x95/0x1a0
[ 137.084521][ T5843] ? vscnprintf+0x80/0x80
[ 137.088971][ T5843] gfs2_fill_super+0x128d/0x1f50
[ 137.093938][ T5843] ? gfs2_reconfigure+0xcd0/0xcd0
[ 137.098980][ T5843] ? preempt_count_add+0x8d/0x190
[ 137.104113][ T5843] ? sb_set_blocksize+0xa5/0xe0
[ 137.109067][ T5843] get_tree_bdev+0x3f1/0x610
[ 137.113758][ T5843] ? gfs2_reconfigure+0xcd0/0xcd0
[ 137.118802][ T5843] gfs2_get_tree+0x4d/0x1e0
[ 137.123321][ T5843] vfs_get_tree+0x88/0x270
[ 137.128016][ T5843] do_new_mount+0x24a/0xa40
[ 137.132542][ T5843] __se_sys_mount+0x2d6/0x3c0
[ 137.137250][ T5843] ? __x64_sys_mount+0xc0/0xc0
[ 137.142024][ T5843] ? lockdep_hardirqs_on+0x94/0x140
[ 137.147231][ T5843] ? __x64_sys_mount+0x1c/0xc0
[ 137.152009][ T5843] do_syscall_64+0x4c/0xa0
[ 137.156579][ T5843] ? clear_bhb_loop+0x30/0x80
[ 137.161266][ T5843] ? clear_bhb_loop+0x30/0x80
[ 137.166060][ T5843] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 137.171969][ T5843] RIP: 0033:0x7f25b0179efa
[ 137.176406][ T5843] 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
[ 137.196552][ T5843] RSP: 002b:00007f25af3f7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 137.205061][ T5843] RAX: ffffffffffffffda RBX: 00007f25af3f7ef0 RCX: 00007f25b0179efa
[ 137.213140][ T5843] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f25af3f7eb0
[ 137.221209][ T5843] RBP: 0000000020000000 R08: 00007f25af3f7ef0 R09: 0000000000008c1b
[ 137.229201][ T5843] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 137.237182][ T5843] R13: 00007f25af3f7eb0 R14: 000000000001272b R15: 0000000020000240
[ 137.245179][ T5843]
[ 137.476275][ T5847] loop0: detected capacity change from 0 to 32768
[ 137.491956][ T5843] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 137.525690][ T5847] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 137.550731][ T5843] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 137.568946][ T5847] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 137.607761][ T5847] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 137.632430][ T5845] loop4: detected capacity change from 0 to 32768
[ 137.680705][ T5845] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 137.720342][ T5845] CPU: 1 PID: 5845 Comm: syz.4.90 Not tainted syzkaller #0
[ 137.727667][ T5845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 137.737904][ T5845] Call Trace:
[ 137.741280][ T5845]
[ 137.744298][ T5845] dump_stack_lvl+0x168/0x230
[ 137.748990][ T5845] ? show_regs_print_info+0x20/0x20
[ 137.754377][ T5845] ? load_image+0x3b0/0x3b0
[ 137.758989][ T5845] sysfs_create_dir_ns+0x252/0x280
[ 137.764116][ T5845] ? __lock_acquire+0x7c60/0x7c60
[ 137.769165][ T5845] ? sysfs_warn_dup+0xa0/0xa0
[ 137.773865][ T5845] ? do_raw_spin_unlock+0x11d/0x230
[ 137.779517][ T5845] kobject_add_internal+0x662/0xd00
[ 137.784747][ T5845] kobject_init_and_add+0x122/0x190
[ 137.790049][ T5845] ? lockdep_softirqs_off+0x420/0x420
[ 137.790738][ T5843] syz.3.89 (5843): drop_caches: 2
[ 137.795429][ T5845] ? kobject_add+0x210/0x210
[ 137.795452][ T5845] ? __init_swait_queue_head+0xa5/0x150
[ 137.795473][ T5845] gfs2_sys_fs_add+0x234/0x480
[ 137.795491][ T5845] ? gfs2_recover_set+0x240/0x240
[ 137.795507][ T5845] ? snprintf+0xd7/0x120
[ 137.795523][ T5845] ? __free_pages+0x95/0x1a0
[ 137.795543][ T5845] ? vscnprintf+0x80/0x80
[ 137.835136][ T5845] gfs2_fill_super+0x128d/0x1f50
[ 137.840189][ T5845] ? gfs2_reconfigure+0xcd0/0xcd0
[ 137.845246][ T5845] ? preempt_count_add+0x8d/0x190
[ 137.850298][ T5845] ? sb_set_blocksize+0xa5/0xe0
[ 137.855281][ T5845] get_tree_bdev+0x3f1/0x610
[ 137.860499][ T5845] ? gfs2_reconfigure+0xcd0/0xcd0
[ 137.865704][ T5845] gfs2_get_tree+0x4d/0x1e0
[ 137.870500][ T5845] vfs_get_tree+0x88/0x270
[ 137.875343][ T5845] do_new_mount+0x24a/0xa40
[ 137.879890][ T5845] __se_sys_mount+0x2d6/0x3c0
[ 137.884856][ T5845] ? __x64_sys_mount+0xc0/0xc0
[ 137.889910][ T5845] ? lockdep_hardirqs_on+0x94/0x140
[ 137.895165][ T5845] ? __x64_sys_mount+0x1c/0xc0
[ 137.900040][ T5845] do_syscall_64+0x4c/0xa0
[ 137.904469][ T5845] ? clear_bhb_loop+0x30/0x80
[ 137.909436][ T5845] ? clear_bhb_loop+0x30/0x80
[ 137.914136][ T5845] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 137.920329][ T5845] RIP: 0033:0x7f817a59cefa
[ 137.924813][ T5845] 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
[ 137.945244][ T5845] RSP: 002b:00007f817981ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 137.953783][ T5845] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 137.961953][ T5845] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 137.970025][ T5845] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 137.978057][ T5845] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 137.986225][ T5845] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 137.994321][ T5845]
[ 138.001831][ T5845] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 138.091865][ T5845] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 138.109949][ T5847] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 138.178057][ T5847] syz.0.91 (5847): drop_caches: 2
[ 138.334503][ T5845] syz.4.90 (5845): drop_caches: 2
[ 138.598719][ T5849] loop1: detected capacity change from 0 to 32768
[ 138.693291][ T5851] loop2: detected capacity change from 0 to 32768
[ 138.697020][ T5849] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 138.746978][ T5851] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 138.775999][ T5851] CPU: 1 PID: 5851 Comm: syz.2.93 Not tainted syzkaller #0
[ 138.778291][ T5849] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 138.783232][ T5851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 138.783246][ T5851] Call Trace:
[ 138.783252][ T5851]
[ 138.783258][ T5851] dump_stack_lvl+0x168/0x230
[ 138.783284][ T5851] ? show_regs_print_info+0x20/0x20
[ 138.783301][ T5851] ? load_image+0x3b0/0x3b0
[ 138.783326][ T5851] sysfs_create_dir_ns+0x252/0x280
[ 138.826607][ T5851] ? __lock_acquire+0x7c60/0x7c60
[ 138.831643][ T5851] ? sysfs_warn_dup+0xa0/0xa0
[ 138.836424][ T5851] ? do_raw_spin_unlock+0x11d/0x230
[ 138.841639][ T5851] kobject_add_internal+0x662/0xd00
[ 138.846867][ T5851] kobject_init_and_add+0x122/0x190
[ 138.852076][ T5851] ? lockdep_softirqs_off+0x420/0x420
[ 138.857461][ T5851] ? kobject_add+0x210/0x210
[ 138.862192][ T5851] ? __init_swait_queue_head+0xa5/0x150
[ 138.867911][ T5851] gfs2_sys_fs_add+0x234/0x480
[ 138.872692][ T5851] ? gfs2_recover_set+0x240/0x240
[ 138.877723][ T5851] ? snprintf+0xd7/0x120
[ 138.879528][ T5849] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 138.881966][ T5851] ? __free_pages+0x95/0x1a0
[ 138.881990][ T5851] ? vscnprintf+0x80/0x80
[ 138.882015][ T5851] gfs2_fill_super+0x128d/0x1f50
[ 138.882046][ T5851] ? gfs2_reconfigure+0xcd0/0xcd0
[ 138.882065][ T5851] ? preempt_count_add+0x8d/0x190
[ 138.914124][ T5851] ? sb_set_blocksize+0xa5/0xe0
[ 138.918990][ T5851] get_tree_bdev+0x3f1/0x610
[ 138.923587][ T5851] ? gfs2_reconfigure+0xcd0/0xcd0
[ 138.928762][ T5851] gfs2_get_tree+0x4d/0x1e0
[ 138.933381][ T5851] vfs_get_tree+0x88/0x270
[ 138.937825][ T5851] do_new_mount+0x24a/0xa40
[ 138.942431][ T5851] __se_sys_mount+0x2d6/0x3c0
[ 138.947130][ T5851] ? __x64_sys_mount+0xc0/0xc0
[ 138.952006][ T5851] ? lockdep_hardirqs_on+0x94/0x140
[ 138.957208][ T5851] ? __x64_sys_mount+0x1c/0xc0
[ 138.961982][ T5851] do_syscall_64+0x4c/0xa0
[ 138.966409][ T5851] ? clear_bhb_loop+0x30/0x80
[ 138.971098][ T5851] ? clear_bhb_loop+0x30/0x80
[ 138.975789][ T5851] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 138.981878][ T5851] RIP: 0033:0x7f33e7f87efa
[ 138.986306][ T5851] 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
[ 139.006014][ T5851] RSP: 002b:00007f33e7205e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 139.014709][ T5851] RAX: ffffffffffffffda RBX: 00007f33e7205ef0 RCX: 00007f33e7f87efa
[ 139.022871][ T5851] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f33e7205eb0
[ 139.031165][ T5851] RBP: 0000000020000000 R08: 00007f33e7205ef0 R09: 0000000000008c1b
[ 139.039252][ T5851] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 139.047776][ T5851] R13: 00007f33e7205eb0 R14: 000000000001272b R15: 0000000020000240
[ 139.056039][ T5851]
[ 139.170116][ T5849] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 139.238170][ T5849] syz.1.92 (5849): drop_caches: 2
[ 139.277663][ T5853] loop3: detected capacity change from 0 to 32768
[ 139.321843][ T5851] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 139.347617][ T5853] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 139.387454][ T5851] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 139.410376][ T5853] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 139.452609][ T5853] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 139.695950][ T5855] loop0: detected capacity change from 0 to 32768
[ 139.715474][ T5853] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 139.740106][ T5855] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 139.785314][ T5853] syz.3.94 (5853): drop_caches: 2
[ 139.800396][ T5855] CPU: 1 PID: 5855 Comm: syz.0.95 Not tainted syzkaller #0
[ 139.807629][ T5855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 139.817783][ T5855] Call Trace:
[ 139.821065][ T5855]
[ 139.823996][ T5855] dump_stack_lvl+0x168/0x230
[ 139.828690][ T5855] ? show_regs_print_info+0x20/0x20
[ 139.833999][ T5855] ? load_image+0x3b0/0x3b0
[ 139.838522][ T5855] sysfs_create_dir_ns+0x252/0x280
[ 139.843725][ T5855] ? __lock_acquire+0x7c60/0x7c60
[ 139.848758][ T5855] ? sysfs_warn_dup+0xa0/0xa0
[ 139.853452][ T5855] ? do_raw_spin_unlock+0x11d/0x230
[ 139.858757][ T5855] kobject_add_internal+0x662/0xd00
[ 139.864158][ T5855] kobject_init_and_add+0x122/0x190
[ 139.869379][ T5855] ? lockdep_softirqs_off+0x420/0x420
[ 139.873048][ T5851] syz.2.93 (5851): drop_caches: 2
[ 139.874781][ T5855] ? kobject_add+0x210/0x210
[ 139.884458][ T5855] ? __init_swait_queue_head+0xa5/0x150
[ 139.890199][ T5855] gfs2_sys_fs_add+0x234/0x480
[ 139.895069][ T5855] ? gfs2_recover_set+0x240/0x240
[ 139.900190][ T5855] ? snprintf+0xd7/0x120
[ 139.904446][ T5855] ? __free_pages+0x95/0x1a0
[ 139.909191][ T5855] ? vscnprintf+0x80/0x80
[ 139.913728][ T5855] gfs2_fill_super+0x128d/0x1f50
[ 139.918782][ T5855] ? gfs2_reconfigure+0xcd0/0xcd0
[ 139.924050][ T5855] ? preempt_count_add+0x8d/0x190
[ 139.929107][ T5855] ? sb_set_blocksize+0xa5/0xe0
[ 139.934081][ T5855] get_tree_bdev+0x3f1/0x610
[ 139.939182][ T5855] ? gfs2_reconfigure+0xcd0/0xcd0
[ 139.944228][ T5855] gfs2_get_tree+0x4d/0x1e0
[ 139.948842][ T5855] vfs_get_tree+0x88/0x270
[ 139.953302][ T5855] do_new_mount+0x24a/0xa40
[ 139.957829][ T5855] __se_sys_mount+0x2d6/0x3c0
[ 139.962541][ T5855] ? __x64_sys_mount+0xc0/0xc0
[ 139.967500][ T5855] ? lockdep_hardirqs_on+0x94/0x140
[ 139.972710][ T5855] ? __x64_sys_mount+0x1c/0xc0
[ 139.977670][ T5855] do_syscall_64+0x4c/0xa0
[ 139.982099][ T5855] ? clear_bhb_loop+0x30/0x80
[ 139.986960][ T5855] ? clear_bhb_loop+0x30/0x80
[ 139.991643][ T5855] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 139.997663][ T5855] RIP: 0033:0x7faa0b2c7efa
[ 140.002285][ T5855] 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
[ 140.022086][ T5855] RSP: 002b:00007faa0a545e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 140.030623][ T5855] RAX: ffffffffffffffda RBX: 00007faa0a545ef0 RCX: 00007faa0b2c7efa
[ 140.038704][ T5855] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007faa0a545eb0
[ 140.046882][ T5855] RBP: 0000000020000000 R08: 00007faa0a545ef0 R09: 0000000000008c1b
[ 140.055045][ T5855] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 140.063147][ T5855] R13: 00007faa0a545eb0 R14: 000000000001272b R15: 0000000020000240
[ 140.071335][ T5855]
[ 140.270377][ T5857] loop4: detected capacity change from 0 to 32768
[ 140.307122][ T5857] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 140.337072][ T5857] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 140.350181][ T5857] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 140.462957][ T5855] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 140.478724][ T5857] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 140.493665][ T5855] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 140.531714][ T5857] syz.4.96 (5857): drop_caches: 2
2025/09/10 10:59:45 executed programs: 95
[ 140.697379][ T5859] loop1: detected capacity change from 0 to 32768
[ 140.730305][ T5859] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 140.774460][ T5859] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 140.815637][ T5859] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 140.947412][ T5861] loop2: detected capacity change from 0 to 32768
[ 140.952482][ T5855] syz.0.95 (5855): drop_caches: 2
[ 141.011237][ T5859] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 141.029715][ T5861] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 141.063306][ T5861] CPU: 0 PID: 5861 Comm: syz.2.99 Not tainted syzkaller #0
[ 141.070653][ T5861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 141.080746][ T5861] Call Trace:
[ 141.084121][ T5861]
[ 141.087061][ T5861] dump_stack_lvl+0x168/0x230
[ 141.091759][ T5861] ? show_regs_print_info+0x20/0x20
[ 141.096979][ T5861] ? load_image+0x3b0/0x3b0
[ 141.101506][ T5861] sysfs_create_dir_ns+0x252/0x280
[ 141.106638][ T5861] ? __lock_acquire+0x7c60/0x7c60
[ 141.111716][ T5861] ? sysfs_warn_dup+0xa0/0xa0
[ 141.116516][ T5861] ? do_raw_spin_unlock+0x11d/0x230
[ 141.121908][ T5861] kobject_add_internal+0x662/0xd00
[ 141.127240][ T5861] kobject_init_and_add+0x122/0x190
[ 141.132450][ T5861] ? lockdep_softirqs_off+0x420/0x420
[ 141.137927][ T5861] ? kobject_add+0x210/0x210
[ 141.142528][ T5861] ? __init_swait_queue_head+0xa5/0x150
[ 141.148118][ T5861] gfs2_sys_fs_add+0x234/0x480
[ 141.152888][ T5861] ? gfs2_recover_set+0x240/0x240
[ 141.158005][ T5861] ? snprintf+0xd7/0x120
[ 141.162271][ T5861] ? __free_pages+0x95/0x1a0
[ 141.166875][ T5861] ? vscnprintf+0x80/0x80
[ 141.171231][ T5861] gfs2_fill_super+0x128d/0x1f50
[ 141.176192][ T5861] ? gfs2_reconfigure+0xcd0/0xcd0
[ 141.181426][ T5861] ? preempt_count_add+0x8d/0x190
[ 141.186577][ T5861] ? sb_set_blocksize+0xa5/0xe0
[ 141.191457][ T5861] get_tree_bdev+0x3f1/0x610
[ 141.196061][ T5861] ? gfs2_reconfigure+0xcd0/0xcd0
[ 141.201486][ T5861] gfs2_get_tree+0x4d/0x1e0
[ 141.206088][ T5861] vfs_get_tree+0x88/0x270
[ 141.210515][ T5861] do_new_mount+0x24a/0xa40
[ 141.215044][ T5861] __se_sys_mount+0x2d6/0x3c0
[ 141.219740][ T5861] ? __x64_sys_mount+0xc0/0xc0
[ 141.224632][ T5861] ? lockdep_hardirqs_on+0x94/0x140
[ 141.229936][ T5861] ? __x64_sys_mount+0x1c/0xc0
[ 141.234747][ T5861] do_syscall_64+0x4c/0xa0
[ 141.239163][ T5861] ? clear_bhb_loop+0x30/0x80
[ 141.244041][ T5861] ? clear_bhb_loop+0x30/0x80
[ 141.248754][ T5861] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 141.254880][ T5861] RIP: 0033:0x7f33e7f87efa
[ 141.259310][ T5861] 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
[ 141.279312][ T5861] RSP: 002b:00007f33e7205e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 141.287876][ T5861] RAX: ffffffffffffffda RBX: 00007f33e7205ef0 RCX: 00007f33e7f87efa
[ 141.295951][ T5861] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f33e7205eb0
[ 141.303939][ T5861] RBP: 0000000020000000 R08: 00007f33e7205ef0 R09: 0000000000008c1b
[ 141.311925][ T5861] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 141.319998][ T5861] R13: 00007f33e7205eb0 R14: 000000000001272b R15: 0000000020000240
[ 141.328261][ T5861]
[ 141.334608][ T5861] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 141.364087][ T5859] syz.1.97 (5859): drop_caches: 2
[ 141.390713][ T5861] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 141.428638][ T5861] syz.2.99 (5861): drop_caches: 2
[ 141.521424][ T5863] loop3: detected capacity change from 0 to 32768
[ 141.608892][ T5863] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 141.660037][ T5863] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 141.746982][ T5863] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 141.958560][ T5863] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 141.979445][ T5865] loop4: detected capacity change from 0 to 32768
[ 142.006588][ T5863] syz.3.98 (5863): drop_caches: 2
[ 142.041919][ T5865] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 142.050429][ T5865] CPU: 1 PID: 5865 Comm: syz.4.100 Not tainted syzkaller #0
[ 142.057830][ T5865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 142.067788][ T5867] loop0: detected capacity change from 0 to 32768
[ 142.068683][ T5865] Call Trace:
[ 142.068694][ T5865]
[ 142.081523][ T5865] dump_stack_lvl+0x168/0x230
[ 142.086246][ T5865] ? show_regs_print_info+0x20/0x20
[ 142.091551][ T5865] ? load_image+0x3b0/0x3b0
[ 142.096200][ T5865] sysfs_create_dir_ns+0x252/0x280
[ 142.101438][ T5865] ? __lock_acquire+0x7c60/0x7c60
[ 142.106470][ T5865] ? sysfs_warn_dup+0xa0/0xa0
[ 142.111248][ T5865] ? do_raw_spin_unlock+0x11d/0x230
[ 142.116457][ T5865] kobject_add_internal+0x662/0xd00
[ 142.121678][ T5865] kobject_init_and_add+0x122/0x190
[ 142.126994][ T5865] ? lockdep_softirqs_off+0x420/0x420
[ 142.132675][ T5865] ? kobject_add+0x210/0x210
[ 142.137285][ T5865] ? __init_swait_queue_head+0xa5/0x150
[ 142.143292][ T5865] gfs2_sys_fs_add+0x234/0x480
[ 142.148255][ T5865] ? gfs2_recover_set+0x240/0x240
[ 142.153569][ T5865] ? snprintf+0xd7/0x120
[ 142.157928][ T5865] ? __free_pages+0x95/0x1a0
[ 142.162649][ T5865] ? vscnprintf+0x80/0x80
[ 142.167012][ T5865] gfs2_fill_super+0x128d/0x1f50
[ 142.171978][ T5865] ? gfs2_reconfigure+0xcd0/0xcd0
[ 142.177251][ T5865] ? preempt_count_add+0x8d/0x190
[ 142.182304][ T5865] ? sb_set_blocksize+0xa5/0xe0
[ 142.187346][ T5865] get_tree_bdev+0x3f1/0x610
[ 142.192057][ T5865] ? gfs2_reconfigure+0xcd0/0xcd0
[ 142.197278][ T5865] gfs2_get_tree+0x4d/0x1e0
[ 142.201891][ T5865] vfs_get_tree+0x88/0x270
[ 142.206331][ T5865] do_new_mount+0x24a/0xa40
[ 142.211139][ T5865] __se_sys_mount+0x2d6/0x3c0
[ 142.215848][ T5865] ? __x64_sys_mount+0xc0/0xc0
[ 142.220886][ T5865] ? lockdep_hardirqs_on+0x94/0x140
[ 142.226355][ T5865] ? __x64_sys_mount+0x1c/0xc0
[ 142.231240][ T5865] do_syscall_64+0x4c/0xa0
[ 142.235662][ T5865] ? clear_bhb_loop+0x30/0x80
[ 142.240350][ T5865] ? clear_bhb_loop+0x30/0x80
[ 142.245170][ T5865] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 142.251072][ T5865] RIP: 0033:0x7f817a59cefa
[ 142.255518][ T5865] 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
[ 142.275484][ T5865] RSP: 002b:00007f817981ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 142.283910][ T5865] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 142.292107][ T5865] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 142.300267][ T5865] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 142.305656][ T5869] loop1: detected capacity change from 0 to 32768
[ 142.308261][ T5865] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 142.308276][ T5865] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 142.308298][ T5865]
[ 142.355646][ T5865] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 142.413632][ T5869] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 142.423407][ T5867] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 142.441777][ T5869] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 142.463060][ T5867] CPU: 0 PID: 5867 Comm: syz.0.101 Not tainted syzkaller #0
[ 142.470747][ T5867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 142.480931][ T5867] Call Trace:
[ 142.484223][ T5867]
[ 142.487175][ T5867] dump_stack_lvl+0x168/0x230
[ 142.491863][ T5867] ? show_regs_print_info+0x20/0x20
[ 142.497087][ T5867] ? load_image+0x3b0/0x3b0
[ 142.501610][ T5867] sysfs_create_dir_ns+0x252/0x280
[ 142.506812][ T5867] ? __lock_acquire+0x7c60/0x7c60
[ 142.512028][ T5867] ? sysfs_warn_dup+0xa0/0xa0
[ 142.516721][ T5867] ? do_raw_spin_unlock+0x11d/0x230
[ 142.522607][ T5867] kobject_add_internal+0x662/0xd00
[ 142.527936][ T5867] kobject_init_and_add+0x122/0x190
[ 142.533295][ T5867] ? lockdep_softirqs_off+0x420/0x420
[ 142.538689][ T5867] ? kobject_add+0x210/0x210
[ 142.543302][ T5867] ? __init_swait_queue_head+0xa5/0x150
[ 142.548954][ T5867] gfs2_sys_fs_add+0x234/0x480
[ 142.553739][ T5867] ? gfs2_recover_set+0x240/0x240
[ 142.558778][ T5867] ? snprintf+0xd7/0x120
[ 142.563031][ T5867] ? __free_pages+0x95/0x1a0
[ 142.567754][ T5867] ? vscnprintf+0x80/0x80
[ 142.572291][ T5867] gfs2_fill_super+0x128d/0x1f50
[ 142.577362][ T5867] ? gfs2_reconfigure+0xcd0/0xcd0
[ 142.582461][ T5867] ? preempt_count_add+0x8d/0x190
[ 142.587511][ T5867] ? sb_set_blocksize+0xa5/0xe0
[ 142.592460][ T5867] get_tree_bdev+0x3f1/0x610
[ 142.597060][ T5867] ? gfs2_reconfigure+0xcd0/0xcd0
[ 142.600559][ T5871] loop2: detected capacity change from 0 to 32768
[ 142.602123][ T5867] gfs2_get_tree+0x4d/0x1e0
[ 142.602146][ T5867] vfs_get_tree+0x88/0x270
[ 142.602165][ T5867] do_new_mount+0x24a/0xa40
[ 142.602188][ T5867] __se_sys_mount+0x2d6/0x3c0
[ 142.627015][ T5867] ? __x64_sys_mount+0xc0/0xc0
[ 142.631796][ T5867] ? lockdep_hardirqs_on+0x94/0x140
[ 142.637089][ T5867] ? __x64_sys_mount+0x1c/0xc0
[ 142.641881][ T5867] do_syscall_64+0x4c/0xa0
[ 142.646394][ T5867] ? clear_bhb_loop+0x30/0x80
[ 142.651256][ T5867] ? clear_bhb_loop+0x30/0x80
[ 142.656097][ T5867] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 142.662179][ T5867] RIP: 0033:0x7faa0b2c7efa
[ 142.666687][ T5867] 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
[ 142.686382][ T5867] RSP: 002b:00007faa0a545e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 142.694895][ T5867] RAX: ffffffffffffffda RBX: 00007faa0a545ef0 RCX: 00007faa0b2c7efa
[ 142.703081][ T5867] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007faa0a545eb0
[ 142.711068][ T5867] RBP: 0000000020000000 R08: 00007faa0a545ef0 R09: 0000000000008c1b
[ 142.719165][ T5867] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 142.727139][ T5867] R13: 00007faa0a545eb0 R14: 000000000001272b R15: 0000000020000240
[ 142.735134][ T5867]
[ 142.756982][ T5871] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 142.765993][ T5865] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 142.772965][ T5869] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 142.782116][ T5871] CPU: 1 PID: 5871 Comm: syz.2.103 Not tainted syzkaller #0
[ 142.789514][ T5871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 142.799688][ T5871] Call Trace:
[ 142.803241][ T5871]
[ 142.806179][ T5871] dump_stack_lvl+0x168/0x230
[ 142.810870][ T5871] ? show_regs_print_info+0x20/0x20
[ 142.816116][ T5871] ? load_image+0x3b0/0x3b0
[ 142.820736][ T5871] sysfs_create_dir_ns+0x252/0x280
[ 142.825870][ T5871] ? __lock_acquire+0x7c60/0x7c60
[ 142.830908][ T5871] ? sysfs_warn_dup+0xa0/0xa0
[ 142.835780][ T5871] ? do_raw_spin_unlock+0x11d/0x230
[ 142.841003][ T5871] kobject_add_internal+0x662/0xd00
[ 142.846245][ T5871] kobject_init_and_add+0x122/0x190
[ 142.851457][ T5871] ? lockdep_softirqs_off+0x420/0x420
[ 142.856933][ T5871] ? kobject_add+0x210/0x210
[ 142.861549][ T5871] ? __init_swait_queue_head+0xa5/0x150
[ 142.867376][ T5871] gfs2_sys_fs_add+0x234/0x480
[ 142.872161][ T5871] ? gfs2_recover_set+0x240/0x240
[ 142.877195][ T5871] ? snprintf+0xd7/0x120
[ 142.881445][ T5871] ? __free_pages+0x95/0x1a0
[ 142.886168][ T5871] ? vscnprintf+0x80/0x80
[ 142.890524][ T5871] gfs2_fill_super+0x128d/0x1f50
[ 142.895508][ T5871] ? gfs2_reconfigure+0xcd0/0xcd0
[ 142.900545][ T5871] ? preempt_count_add+0x8d/0x190
[ 142.905364][ T5869] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 142.905672][ T5871] ? sb_set_blocksize+0xa5/0xe0
[ 142.917791][ T5867] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 142.918574][ T5871] get_tree_bdev+0x3f1/0x610
[ 142.934258][ T5867] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 142.937020][ T5871] ? gfs2_reconfigure+0xcd0/0xcd0
[ 142.949164][ T5871] gfs2_get_tree+0x4d/0x1e0
[ 142.953742][ T5871] vfs_get_tree+0x88/0x270
[ 142.955720][ T5869] syz.1.102 (5869): drop_caches: 2
[ 142.958168][ T5871] do_new_mount+0x24a/0xa40
[ 142.967925][ T5871] __se_sys_mount+0x2d6/0x3c0
[ 142.972725][ T5871] ? __x64_sys_mount+0xc0/0xc0
[ 142.977853][ T5871] ? lockdep_hardirqs_on+0x94/0x140
[ 142.983069][ T5871] ? __x64_sys_mount+0x1c/0xc0
[ 142.987933][ T5871] do_syscall_64+0x4c/0xa0
[ 142.992458][ T5871] ? clear_bhb_loop+0x30/0x80
[ 142.997139][ T5871] ? clear_bhb_loop+0x30/0x80
[ 143.001838][ T5871] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 143.007745][ T5871] RIP: 0033:0x7f33e7f87efa
[ 143.012173][ T5871] 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
[ 143.031869][ T5871] RSP: 002b:00007f33e7205e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 143.040316][ T5871] RAX: ffffffffffffffda RBX: 00007f33e7205ef0 RCX: 00007f33e7f87efa
[ 143.048309][ T5871] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f33e7205eb0
[ 143.056296][ T5871] RBP: 0000000020000000 R08: 00007f33e7205ef0 R09: 0000000000008c1b
[ 143.064294][ T5871] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 143.072292][ T5871] R13: 00007f33e7205eb0 R14: 000000000001272b R15: 0000000020000240
[ 143.080383][ T5871]
[ 143.265914][ T5871] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 143.328650][ T5871] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 143.349819][ T5871] syz.2.103 (5871): drop_caches: 2
[ 143.358260][ T5873] loop3: detected capacity change from 0 to 32768
[ 143.401084][ T5867] syz.0.101 (5867): drop_caches: 2
[ 143.433695][ T5865] syz.4.100 (5865): drop_caches: 2
[ 143.480242][ T5873] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 143.527190][ T5873] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 143.575790][ T5873] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 143.821906][ T5873] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 143.872505][ T5873] syz.3.104 (5873): drop_caches: 2
[ 144.388505][ T5875] loop1: detected capacity change from 0 to 32768
[ 144.439361][ T5875] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 144.491697][ T5875] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 144.528615][ T5875] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 144.615783][ T5877] loop2: detected capacity change from 0 to 32768
[ 144.629463][ T5879] loop0: detected capacity change from 0 to 32768
[ 144.674726][ T5875] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 144.677497][ T5877] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 144.693617][ T5881] loop4: detected capacity change from 0 to 32768
[ 144.705800][ T5877] CPU: 0 PID: 5877 Comm: syz.2.106 Not tainted syzkaller #0
[ 144.713214][ T5877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 144.723278][ T5877] Call Trace:
[ 144.726650][ T5877]
[ 144.729613][ T5877] dump_stack_lvl+0x168/0x230
[ 144.734313][ T5877] ? show_regs_print_info+0x20/0x20
[ 144.739609][ T5877] ? load_image+0x3b0/0x3b0
[ 144.744933][ T5877] sysfs_create_dir_ns+0x252/0x280
[ 144.750054][ T5877] ? __lock_acquire+0x7c60/0x7c60
[ 144.755153][ T5877] ? sysfs_warn_dup+0xa0/0xa0
[ 144.759897][ T5877] ? do_raw_spin_unlock+0x11d/0x230
[ 144.765104][ T5877] kobject_add_internal+0x662/0xd00
[ 144.767738][ T5875] syz.1.105 (5875): drop_caches: 2
[ 144.770314][ T5877] kobject_init_and_add+0x122/0x190
[ 144.780948][ T5877] ? lockdep_softirqs_off+0x420/0x420
[ 144.786353][ T5877] ? kobject_add+0x210/0x210
[ 144.791141][ T5877] ? __init_swait_queue_head+0xa5/0x150
[ 144.796806][ T5877] gfs2_sys_fs_add+0x234/0x480
[ 144.801677][ T5877] ? gfs2_recover_set+0x240/0x240
[ 144.807033][ T5877] ? snprintf+0xd7/0x120
[ 144.811385][ T5877] ? __free_pages+0x95/0x1a0
[ 144.816098][ T5877] ? vscnprintf+0x80/0x80
[ 144.820542][ T5877] gfs2_fill_super+0x128d/0x1f50
[ 144.825682][ T5877] ? gfs2_reconfigure+0xcd0/0xcd0
[ 144.830985][ T5877] ? preempt_count_add+0x8d/0x190
[ 144.836025][ T5877] ? sb_set_blocksize+0xa5/0xe0
[ 144.840931][ T5877] get_tree_bdev+0x3f1/0x610
[ 144.845635][ T5877] ? gfs2_reconfigure+0xcd0/0xcd0
[ 144.850679][ T5877] gfs2_get_tree+0x4d/0x1e0
[ 144.854540][ T5883] loop3: detected capacity change from 0 to 32768
[ 144.855197][ T5877] vfs_get_tree+0x88/0x270
[ 144.866072][ T5877] do_new_mount+0x24a/0xa40
[ 144.870566][ T5877] __se_sys_mount+0x2d6/0x3c0
[ 144.877819][ T5877] ? __x64_sys_mount+0xc0/0xc0
[ 144.883291][ T5877] ? lockdep_hardirqs_on+0x94/0x140
[ 144.888655][ T5877] ? __x64_sys_mount+0x1c/0xc0
[ 144.893426][ T5877] do_syscall_64+0x4c/0xa0
[ 144.897825][ T5877] ? clear_bhb_loop+0x30/0x80
[ 144.902505][ T5877] ? clear_bhb_loop+0x30/0x80
[ 144.907168][ T5877] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 144.913055][ T5877] RIP: 0033:0x7f33e7f87efa
[ 144.917477][ T5877] 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
[ 144.937165][ T5877] RSP: 002b:00007f33e7205e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 144.946197][ T5877] RAX: ffffffffffffffda RBX: 00007f33e7205ef0 RCX: 00007f33e7f87efa
[ 144.954674][ T5877] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f33e7205eb0
[ 144.962742][ T5877] RBP: 0000000020000000 R08: 00007f33e7205ef0 R09: 0000000000008c1b
[ 144.970999][ T5877] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 144.978973][ T5877] R13: 00007f33e7205eb0 R14: 000000000001272b R15: 0000000020000240
[ 144.987117][ T5877]
[ 144.994096][ T5877] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 145.007081][ T5879] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 145.025450][ T5881] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 145.038653][ T5883] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 145.041442][ T5881] CPU: 1 PID: 5881 Comm: syz.4.108 Not tainted syzkaller #0
[ 145.055796][ T5881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 145.063358][ T5883] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 145.066291][ T5881] Call Trace:
[ 145.066299][ T5881]
[ 145.066306][ T5881] dump_stack_lvl+0x168/0x230
[ 145.066339][ T5881] ? show_regs_print_info+0x20/0x20
[ 145.090069][ T5881] ? load_image+0x3b0/0x3b0
[ 145.094810][ T5881] sysfs_create_dir_ns+0x252/0x280
[ 145.099932][ T5881] ? __lock_acquire+0x7c60/0x7c60
[ 145.104972][ T5881] ? sysfs_warn_dup+0xa0/0xa0
[ 145.106714][ T5883] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 145.109652][ T5881] ? do_raw_spin_unlock+0x11d/0x230
[ 145.123207][ T5881] kobject_add_internal+0x662/0xd00
[ 145.128828][ T5881] kobject_init_and_add+0x122/0x190
[ 145.134115][ T5881] ? lockdep_softirqs_off+0x420/0x420
[ 145.139495][ T5881] ? kobject_add+0x210/0x210
[ 145.144091][ T5881] ? __init_swait_queue_head+0xa5/0x150
[ 145.149636][ T5881] gfs2_sys_fs_add+0x234/0x480
[ 145.154410][ T5881] ? gfs2_recover_set+0x240/0x240
[ 145.159435][ T5881] ? snprintf+0xd7/0x120
[ 145.163854][ T5881] ? __free_pages+0x95/0x1a0
[ 145.168447][ T5881] ? vscnprintf+0x80/0x80
[ 145.172879][ T5881] gfs2_fill_super+0x128d/0x1f50
[ 145.177827][ T5881] ? gfs2_reconfigure+0xcd0/0xcd0
[ 145.182873][ T5881] ? preempt_count_add+0x8d/0x190
[ 145.187902][ T5881] ? sb_set_blocksize+0xa5/0xe0
[ 145.192758][ T5881] get_tree_bdev+0x3f1/0x610
[ 145.197448][ T5881] ? gfs2_reconfigure+0xcd0/0xcd0
[ 145.202580][ T5881] gfs2_get_tree+0x4d/0x1e0
[ 145.207101][ T5881] vfs_get_tree+0x88/0x270
[ 145.211627][ T5881] do_new_mount+0x24a/0xa40
[ 145.216150][ T5881] __se_sys_mount+0x2d6/0x3c0
[ 145.220889][ T5881] ? __x64_sys_mount+0xc0/0xc0
[ 145.225656][ T5881] ? lockdep_hardirqs_on+0x94/0x140
[ 145.230969][ T5881] ? __x64_sys_mount+0x1c/0xc0
[ 145.235927][ T5881] do_syscall_64+0x4c/0xa0
[ 145.240359][ T5881] ? clear_bhb_loop+0x30/0x80
[ 145.245236][ T5881] ? clear_bhb_loop+0x30/0x80
[ 145.250022][ T5881] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 145.255944][ T5881] RIP: 0033:0x7f817a59cefa
[ 145.260607][ T5881] 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
[ 145.281164][ T5881] RSP: 002b:00007f817981ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 145.289607][ T5881] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 145.297685][ T5881] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 145.305791][ T5881] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 145.313952][ T5881] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 145.322193][ T5881] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 145.330189][ T5881]
[ 145.345255][ T5877] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 145.357366][ T5881] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 145.361849][ T5879] CPU: 0 PID: 5879 Comm: syz.0.107 Not tainted syzkaller #0
[ 145.374022][ T5881] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 145.378654][ T5879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 145.378668][ T5879] Call Trace:
[ 145.378674][ T5879]
[ 145.378682][ T5879] dump_stack_lvl+0x168/0x230
[ 145.391378][ T5883] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 145.395940][ T5879] ? show_regs_print_info+0x20/0x20
[ 145.395967][ T5879] ? load_image+0x3b0/0x3b0
[ 145.395994][ T5879] sysfs_create_dir_ns+0x252/0x280
[ 145.426489][ T5883] syz.3.109 (5883): drop_caches: 2
[ 145.429507][ T5879] ? __lock_acquire+0x7c60/0x7c60
[ 145.429536][ T5879] ? sysfs_warn_dup+0xa0/0xa0
[ 145.444656][ T5879] ? do_raw_spin_unlock+0x11d/0x230
[ 145.449935][ T5879] kobject_add_internal+0x662/0xd00
[ 145.455224][ T5879] kobject_init_and_add+0x122/0x190
[ 145.460522][ T5879] ? lockdep_softirqs_off+0x420/0x420
[ 145.466133][ T5879] ? kobject_add+0x210/0x210
[ 145.470843][ T5879] ? __init_swait_queue_head+0xa5/0x150
[ 145.476677][ T5879] gfs2_sys_fs_add+0x234/0x480
[ 145.481804][ T5879] ? gfs2_recover_set+0x240/0x240
[ 145.487051][ T5879] ? snprintf+0xd7/0x120
[ 145.491471][ T5879] ? __free_pages+0x95/0x1a0
[ 145.496416][ T5879] ? vscnprintf+0x80/0x80
[ 145.500750][ T5879] gfs2_fill_super+0x128d/0x1f50
[ 145.505689][ T5879] ? gfs2_reconfigure+0xcd0/0xcd0
[ 145.510711][ T5879] ? preempt_count_add+0x8d/0x190
[ 145.515847][ T5879] ? sb_set_blocksize+0xa5/0xe0
[ 145.520724][ T5879] get_tree_bdev+0x3f1/0x610
[ 145.525550][ T5879] ? gfs2_reconfigure+0xcd0/0xcd0
[ 145.530666][ T5879] gfs2_get_tree+0x4d/0x1e0
[ 145.535317][ T5879] vfs_get_tree+0x88/0x270
[ 145.539737][ T5879] do_new_mount+0x24a/0xa40
[ 145.544361][ T5879] __se_sys_mount+0x2d6/0x3c0
[ 145.549030][ T5879] ? __x64_sys_mount+0xc0/0xc0
[ 145.553782][ T5879] ? lockdep_hardirqs_on+0x94/0x140
[ 145.558998][ T5879] ? __x64_sys_mount+0x1c/0xc0
[ 145.563828][ T5879] do_syscall_64+0x4c/0xa0
[ 145.568257][ T5879] ? clear_bhb_loop+0x30/0x80
[ 145.573145][ T5879] ? clear_bhb_loop+0x30/0x80
[ 145.577825][ T5879] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 145.583716][ T5879] RIP: 0033:0x7faa0b2c7efa
[ 145.588144][ T5879] 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
[ 145.607795][ T5879] RSP: 002b:00007faa0a545e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 145.616222][ T5879] RAX: ffffffffffffffda RBX: 00007faa0a545ef0 RCX: 00007faa0b2c7efa
[ 145.624304][ T5879] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007faa0a545eb0
[ 145.632363][ T5879] RBP: 0000000020000000 R08: 00007faa0a545ef0 R09: 0000000000008c1b
[ 145.640329][ T5879] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 145.648302][ T5879] R13: 00007faa0a545eb0 R14: 000000000001272b R15: 0000000020000240
[ 145.656371][ T5879]
[ 145.669692][ T5879] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 145.707823][ T5879] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 145.833483][ T5879] syz.0.107 (5879): drop_caches: 2
2025/09/10 10:59:51 executed programs: 107
[ 146.067221][ T5881] syz.4.108 (5881): drop_caches: 2
[ 146.099604][ T5877] syz.2.106 (5877): drop_caches: 2
[ 146.732466][ T5885] loop1: detected capacity change from 0 to 32768
[ 146.768906][ T5885] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 146.790254][ T5885] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 146.851563][ T5885] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 147.001834][ T5885] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 147.059838][ T5885] syz.1.110 (5885): drop_caches: 2
[ 147.128709][ T5887] loop0: detected capacity change from 0 to 32768
[ 147.154798][ T5889] loop3: detected capacity change from 0 to 32768
[ 147.198171][ T5887] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 147.216141][ T5887] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 147.230385][ T5893] loop4: detected capacity change from 0 to 32768
[ 147.247022][ T5892] loop2: detected capacity change from 0 to 32768
[ 147.269931][ T5889] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 147.281093][ T5887] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 147.299779][ T5889] CPU: 1 PID: 5889 Comm: syz.3.111 Not tainted syzkaller #0
[ 147.307108][ T5889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 147.317168][ T5889] Call Trace:
[ 147.320460][ T5889]
[ 147.323396][ T5889] dump_stack_lvl+0x168/0x230
[ 147.328089][ T5889] ? show_regs_print_info+0x20/0x20
[ 147.333410][ T5889] ? load_image+0x3b0/0x3b0
[ 147.337943][ T5889] sysfs_create_dir_ns+0x252/0x280
[ 147.343242][ T5889] ? __lock_acquire+0x7c60/0x7c60
[ 147.348387][ T5889] ? sysfs_warn_dup+0xa0/0xa0
[ 147.353078][ T5889] ? do_raw_spin_unlock+0x11d/0x230
[ 147.358464][ T5889] kobject_add_internal+0x662/0xd00
[ 147.363678][ T5889] kobject_init_and_add+0x122/0x190
[ 147.368889][ T5889] ? lockdep_softirqs_off+0x420/0x420
[ 147.374444][ T5889] ? kobject_add+0x210/0x210
[ 147.379170][ T5889] ? __init_swait_queue_head+0xa5/0x150
[ 147.384729][ T5889] gfs2_sys_fs_add+0x234/0x480
[ 147.388055][ T5892] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 147.389660][ T5889] ? gfs2_recover_set+0x240/0x240
[ 147.389687][ T5889] ? snprintf+0xd7/0x120
[ 147.389704][ T5889] ? __free_pages+0x95/0x1a0
[ 147.411837][ T5889] ? vscnprintf+0x80/0x80
[ 147.416189][ T5889] gfs2_fill_super+0x128d/0x1f50
[ 147.421146][ T5889] ? gfs2_reconfigure+0xcd0/0xcd0
[ 147.426177][ T5889] ? preempt_count_add+0x8d/0x190
[ 147.431403][ T5889] ? sb_set_blocksize+0xa5/0xe0
[ 147.436349][ T5889] get_tree_bdev+0x3f1/0x610
[ 147.441119][ T5889] ? gfs2_reconfigure+0xcd0/0xcd0
[ 147.446158][ T5889] gfs2_get_tree+0x4d/0x1e0
[ 147.450673][ T5889] vfs_get_tree+0x88/0x270
[ 147.455113][ T5889] do_new_mount+0x24a/0xa40
[ 147.459818][ T5889] __se_sys_mount+0x2d6/0x3c0
[ 147.464669][ T5889] ? __x64_sys_mount+0xc0/0xc0
[ 147.469452][ T5889] ? lockdep_hardirqs_on+0x94/0x140
[ 147.475140][ T5889] ? __x64_sys_mount+0x1c/0xc0
[ 147.480212][ T5889] do_syscall_64+0x4c/0xa0
[ 147.484719][ T5889] ? clear_bhb_loop+0x30/0x80
[ 147.489480][ T5889] ? clear_bhb_loop+0x30/0x80
[ 147.494251][ T5889] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 147.500149][ T5889] RIP: 0033:0x7f25b0179efa
[ 147.504560][ T5889] 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
[ 147.524369][ T5889] RSP: 002b:00007f25af3f7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 147.532973][ T5889] RAX: ffffffffffffffda RBX: 00007f25af3f7ef0 RCX: 00007f25b0179efa
[ 147.541238][ T5889] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f25af3f7eb0
[ 147.549343][ T5889] RBP: 0000000020000000 R08: 00007f25af3f7ef0 R09: 0000000000008c1b
[ 147.557416][ T5889] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 147.565394][ T5889] R13: 00007f25af3f7eb0 R14: 000000000001272b R15: 0000000020000240
[ 147.573473][ T5889]
[ 147.602009][ T5893] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 147.610108][ T5893] CPU: 0 PID: 5893 Comm: syz.4.113 Not tainted syzkaller #0
[ 147.617400][ T5893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 147.627550][ T5893] Call Trace:
[ 147.630835][ T5893]
[ 147.633813][ T5893] dump_stack_lvl+0x168/0x230
[ 147.638522][ T5893] ? show_regs_print_info+0x20/0x20
[ 147.643732][ T5893] ? load_image+0x3b0/0x3b0
[ 147.648261][ T5893] sysfs_create_dir_ns+0x252/0x280
[ 147.653387][ T5893] ? __lock_acquire+0x7c60/0x7c60
[ 147.658518][ T5893] ? sysfs_warn_dup+0xa0/0xa0
[ 147.663214][ T5893] ? do_raw_spin_unlock+0x11d/0x230
[ 147.668513][ T5893] kobject_add_internal+0x662/0xd00
[ 147.673728][ T5893] kobject_init_and_add+0x122/0x190
[ 147.678960][ T5893] ? lockdep_softirqs_off+0x420/0x420
[ 147.684347][ T5893] ? kobject_add+0x210/0x210
[ 147.688963][ T5893] ? __init_swait_queue_head+0xa5/0x150
[ 147.694672][ T5893] gfs2_sys_fs_add+0x234/0x480
[ 147.699558][ T5893] ? gfs2_recover_set+0x240/0x240
[ 147.704781][ T5893] ? snprintf+0xd7/0x120
[ 147.709124][ T5893] ? __free_pages+0x95/0x1a0
[ 147.713728][ T5893] ? vscnprintf+0x80/0x80
[ 147.718248][ T5893] gfs2_fill_super+0x128d/0x1f50
[ 147.723290][ T5893] ? gfs2_reconfigure+0xcd0/0xcd0
[ 147.728340][ T5893] ? preempt_count_add+0x8d/0x190
[ 147.733481][ T5893] ? sb_set_blocksize+0xa5/0xe0
[ 147.738440][ T5893] get_tree_bdev+0x3f1/0x610
[ 147.743313][ T5893] ? gfs2_reconfigure+0xcd0/0xcd0
[ 147.748351][ T5893] gfs2_get_tree+0x4d/0x1e0
[ 147.752895][ T5893] vfs_get_tree+0x88/0x270
[ 147.757331][ T5893] do_new_mount+0x24a/0xa40
[ 147.762042][ T5893] __se_sys_mount+0x2d6/0x3c0
[ 147.766727][ T5893] ? __x64_sys_mount+0xc0/0xc0
[ 147.771101][ T5887] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 147.771495][ T5893] ? lockdep_hardirqs_on+0x94/0x140
[ 147.784462][ T5893] ? __x64_sys_mount+0x1c/0xc0
[ 147.789381][ T5887] syz.0.112 (5887): drop_caches: 2
[ 147.789413][ T5893] do_syscall_64+0x4c/0xa0
[ 147.797381][ T5889] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 147.798921][ T5893] ? clear_bhb_loop+0x30/0x80
[ 147.814231][ T5889] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 147.818409][ T5893] ? clear_bhb_loop+0x30/0x80
[ 147.830951][ T5893] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 147.836971][ T5893] RIP: 0033:0x7f817a59cefa
[ 147.841422][ T5893] 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
[ 147.861511][ T5893] RSP: 002b:00007f817981ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 147.870038][ T5893] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 147.878121][ T5893] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 147.886195][ T5893] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 147.894169][ T5893] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 147.902133][ T5893] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 147.910211][ T5893]
[ 147.925611][ T5892] CPU: 0 PID: 5892 Comm: syz.2.114 Not tainted syzkaller #0
[ 147.933834][ T5892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 147.944171][ T5892] Call Trace:
[ 147.947461][ T5892]
[ 147.950579][ T5892] dump_stack_lvl+0x168/0x230
[ 147.955284][ T5892] ? show_regs_print_info+0x20/0x20
[ 147.960506][ T5892] ? load_image+0x3b0/0x3b0
[ 147.965137][ T5892] sysfs_create_dir_ns+0x252/0x280
[ 147.970359][ T5892] ? __lock_acquire+0x7c60/0x7c60
[ 147.975441][ T5892] ? sysfs_warn_dup+0xa0/0xa0
[ 147.980238][ T5892] ? do_raw_spin_unlock+0x11d/0x230
[ 147.984603][ T5893] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 147.985656][ T5892] kobject_add_internal+0x662/0xd00
[ 148.004548][ T5892] kobject_init_and_add+0x122/0x190
[ 148.009767][ T5892] ? lockdep_softirqs_off+0x420/0x420
[ 148.012284][ T5893] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 148.015375][ T5892] ? kobject_add+0x210/0x210
[ 148.027236][ T5892] ? __init_swait_queue_head+0xa5/0x150
[ 148.032891][ T5892] gfs2_sys_fs_add+0x234/0x480
[ 148.037680][ T5892] ? gfs2_recover_set+0x240/0x240
[ 148.042726][ T5892] ? snprintf+0xd7/0x120
[ 148.046990][ T5892] ? __free_pages+0x95/0x1a0
[ 148.051587][ T5892] ? vscnprintf+0x80/0x80
[ 148.055934][ T5892] gfs2_fill_super+0x128d/0x1f50
[ 148.060982][ T5892] ? gfs2_reconfigure+0xcd0/0xcd0
[ 148.066104][ T5892] ? preempt_count_add+0x8d/0x190
[ 148.071145][ T5892] ? sb_set_blocksize+0xa5/0xe0
[ 148.076008][ T5892] get_tree_bdev+0x3f1/0x610
[ 148.080602][ T5892] ? gfs2_reconfigure+0xcd0/0xcd0
[ 148.085651][ T5892] gfs2_get_tree+0x4d/0x1e0
[ 148.090175][ T5892] vfs_get_tree+0x88/0x270
[ 148.094689][ T5892] do_new_mount+0x24a/0xa40
[ 148.099301][ T5892] __se_sys_mount+0x2d6/0x3c0
[ 148.104001][ T5892] ? __x64_sys_mount+0xc0/0xc0
[ 148.108795][ T5892] ? lockdep_hardirqs_on+0x94/0x140
[ 148.114071][ T5892] ? __x64_sys_mount+0x1c/0xc0
[ 148.118847][ T5892] do_syscall_64+0x4c/0xa0
[ 148.123270][ T5892] ? clear_bhb_loop+0x30/0x80
[ 148.127955][ T5892] ? clear_bhb_loop+0x30/0x80
[ 148.132664][ T5892] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 148.138565][ T5892] RIP: 0033:0x7f33e7f87efa
[ 148.142989][ T5892] 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
[ 148.162949][ T5892] RSP: 002b:00007f33e7205e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 148.171371][ T5892] RAX: ffffffffffffffda RBX: 00007f33e7205ef0 RCX: 00007f33e7f87efa
[ 148.179522][ T5892] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f33e7205eb0
[ 148.187530][ T5892] RBP: 0000000020000000 R08: 00007f33e7205ef0 R09: 0000000000008c1b
[ 148.195510][ T5892] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 148.203622][ T5892] R13: 00007f33e7205eb0 R14: 000000000001272b R15: 0000000020000240
[ 148.211620][ T5892]
[ 148.246506][ T5895] loop1: detected capacity change from 0 to 32768
[ 148.260722][ T5892] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 148.275871][ T5895] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 148.291867][ T5892] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 148.299393][ T5895] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 148.368079][ T5895] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 148.395224][ T5892] syz.2.114 (5892): drop_caches: 2
[ 148.600745][ T5893] syz.4.113 (5893): drop_caches: 2
[ 148.612096][ T5889] syz.3.111 (5889): drop_caches: 2
[ 148.703706][ T5895] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 148.757297][ T5895] syz.1.115 (5895): drop_caches: 2
[ 149.614606][ T5897] loop2: detected capacity change from 0 to 32768
[ 149.646481][ T5897] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 149.675495][ T5899] loop0: detected capacity change from 0 to 32768
[ 149.690263][ T5897] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 149.728110][ T5899] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 149.740647][ T5903] loop4: detected capacity change from 0 to 32768
[ 149.750431][ T5897] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 149.770288][ T5899] CPU: 0 PID: 5899 Comm: syz.0.116 Not tainted syzkaller #0
[ 149.777604][ T5899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 149.787668][ T5899] Call Trace:
[ 149.790952][ T5899]
[ 149.793884][ T5899] dump_stack_lvl+0x168/0x230
[ 149.798570][ T5899] ? show_regs_print_info+0x20/0x20
[ 149.803860][ T5899] ? load_image+0x3b0/0x3b0
[ 149.808383][ T5899] sysfs_create_dir_ns+0x252/0x280
[ 149.813598][ T5899] ? __lock_acquire+0x7c60/0x7c60
[ 149.818736][ T5899] ? sysfs_warn_dup+0xa0/0xa0
[ 149.823436][ T5899] ? do_raw_spin_unlock+0x11d/0x230
[ 149.828643][ T5899] kobject_add_internal+0x662/0xd00
[ 149.833850][ T5899] kobject_init_and_add+0x122/0x190
[ 149.839056][ T5899] ? lockdep_softirqs_off+0x420/0x420
[ 149.844440][ T5899] ? kobject_add+0x210/0x210
[ 149.849046][ T5899] ? __init_swait_queue_head+0xa5/0x150
[ 149.854610][ T5899] gfs2_sys_fs_add+0x234/0x480
[ 149.859390][ T5899] ? gfs2_recover_set+0x240/0x240
[ 149.864426][ T5899] ? snprintf+0xd7/0x120
[ 149.868681][ T5899] ? __free_pages+0x95/0x1a0
[ 149.873440][ T5899] ? vscnprintf+0x80/0x80
[ 149.877792][ T5899] gfs2_fill_super+0x128d/0x1f50
[ 149.882752][ T5899] ? gfs2_reconfigure+0xcd0/0xcd0
[ 149.887789][ T5899] ? preempt_count_add+0x8d/0x190
[ 149.892816][ T5899] ? sb_set_blocksize+0xa5/0xe0
[ 149.897685][ T5899] get_tree_bdev+0x3f1/0x610
[ 149.902278][ T5899] ? gfs2_reconfigure+0xcd0/0xcd0
[ 149.907375][ T5899] gfs2_get_tree+0x4d/0x1e0
[ 149.912087][ T5899] vfs_get_tree+0x88/0x270
[ 149.913156][ T5903] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 149.916526][ T5899] do_new_mount+0x24a/0xa40
[ 149.929148][ T5899] __se_sys_mount+0x2d6/0x3c0
[ 149.932980][ T5897] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 149.933927][ T5899] ? __x64_sys_mount+0xc0/0xc0
[ 149.946729][ T5899] ? lockdep_hardirqs_on+0x94/0x140
[ 149.951975][ T5899] ? __x64_sys_mount+0x1c/0xc0
[ 149.956747][ T5899] do_syscall_64+0x4c/0xa0
[ 149.957131][ T5905] loop1: detected capacity change from 0 to 32768
[ 149.961162][ T5899] ? clear_bhb_loop+0x30/0x80
[ 149.972426][ T5899] ? clear_bhb_loop+0x30/0x80
[ 149.977113][ T5899] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 149.983015][ T5899] RIP: 0033:0x7faa0b2c7efa
[ 149.987437][ T5899] 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
[ 150.007134][ T5899] RSP: 002b:00007faa0a545e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 150.015548][ T5899] RAX: ffffffffffffffda RBX: 00007faa0a545ef0 RCX: 00007faa0b2c7efa
[ 150.016700][ T5897] syz.2.117 (5897): drop_caches: 2
[ 150.023518][ T5899] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007faa0a545eb0
[ 150.023532][ T5899] RBP: 0000000020000000 R08: 00007faa0a545ef0 R09: 0000000000008c1b
[ 150.023542][ T5899] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 150.023551][ T5899] R13: 00007faa0a545eb0 R14: 000000000001272b R15: 0000000020000240
[ 150.023573][ T5899]
[ 150.058910][ T5902] loop3: detected capacity change from 0 to 32768
[ 150.067477][ T5903] CPU: 1 PID: 5903 Comm: syz.4.119 Not tainted syzkaller #0
[ 150.078183][ T5903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 150.088245][ T5903] Call Trace:
[ 150.090592][ T5899] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 150.091520][ T5903]
[ 150.091530][ T5903] dump_stack_lvl+0x168/0x230
[ 150.110782][ T5899] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 150.112782][ T5903] ? show_regs_print_info+0x20/0x20
[ 150.112806][ T5903] ? load_image+0x3b0/0x3b0
[ 150.112832][ T5903] sysfs_create_dir_ns+0x252/0x280
[ 150.112851][ T5903] ? __lock_acquire+0x7c60/0x7c60
[ 150.112869][ T5903] ? sysfs_warn_dup+0xa0/0xa0
[ 150.112890][ T5903] ? do_raw_spin_unlock+0x11d/0x230
[ 150.112909][ T5903] kobject_add_internal+0x662/0xd00
[ 150.154808][ T5903] kobject_init_and_add+0x122/0x190
[ 150.159999][ T5903] ? lockdep_softirqs_off+0x420/0x420
[ 150.165366][ T5903] ? kobject_add+0x210/0x210
[ 150.169944][ T5903] ? __init_swait_queue_head+0xa5/0x150
[ 150.175477][ T5903] gfs2_sys_fs_add+0x234/0x480
[ 150.180226][ T5903] ? gfs2_recover_set+0x240/0x240
[ 150.185233][ T5903] ? snprintf+0xd7/0x120
[ 150.189458][ T5903] ? __free_pages+0x95/0x1a0
[ 150.194031][ T5903] ? vscnprintf+0x80/0x80
[ 150.198354][ T5903] gfs2_fill_super+0x128d/0x1f50
[ 150.203367][ T5903] ? gfs2_reconfigure+0xcd0/0xcd0
[ 150.208382][ T5903] ? preempt_count_add+0x8d/0x190
[ 150.213396][ T5903] ? sb_set_blocksize+0xa5/0xe0
[ 150.218355][ T5903] get_tree_bdev+0x3f1/0x610
[ 150.222936][ T5903] ? gfs2_reconfigure+0xcd0/0xcd0
[ 150.227944][ T5903] gfs2_get_tree+0x4d/0x1e0
[ 150.232428][ T5903] vfs_get_tree+0x88/0x270
[ 150.236829][ T5903] do_new_mount+0x24a/0xa40
[ 150.241318][ T5903] __se_sys_mount+0x2d6/0x3c0
[ 150.245980][ T5903] ? __x64_sys_mount+0xc0/0xc0
[ 150.250816][ T5903] ? lockdep_hardirqs_on+0x94/0x140
[ 150.256002][ T5903] ? __x64_sys_mount+0x1c/0xc0
[ 150.260747][ T5903] do_syscall_64+0x4c/0xa0
[ 150.265140][ T5903] ? clear_bhb_loop+0x30/0x80
[ 150.269797][ T5903] ? clear_bhb_loop+0x30/0x80
[ 150.274461][ T5903] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 150.280333][ T5903] RIP: 0033:0x7f817a59cefa
[ 150.284736][ T5903] 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
[ 150.304419][ T5903] RSP: 002b:00007f817981ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 150.312816][ T5903] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 150.321201][ T5903] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 150.329161][ T5903] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 150.337274][ T5903] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 150.345357][ T5903] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 150.353336][ T5903]
[ 150.371818][ T5903] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 150.401836][ T5903] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 150.417323][ T5905] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 150.418025][ T5902] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 150.442041][ T5905] CPU: 0 PID: 5905 Comm: syz.1.120 Not tainted syzkaller #0
[ 150.449444][ T5905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 150.459538][ T5905] Call Trace:
[ 150.462824][ T5905]
[ 150.465768][ T5905] dump_stack_lvl+0x168/0x230
[ 150.470462][ T5905] ? show_regs_print_info+0x20/0x20
[ 150.475805][ T5905] ? load_image+0x3b0/0x3b0
[ 150.480382][ T5905] sysfs_create_dir_ns+0x252/0x280
[ 150.485595][ T5905] ? __lock_acquire+0x7c60/0x7c60
[ 150.490640][ T5905] ? sysfs_warn_dup+0xa0/0xa0
[ 150.495365][ T5905] ? do_raw_spin_unlock+0x11d/0x230
[ 150.500575][ T5905] kobject_add_internal+0x662/0xd00
[ 150.505792][ T5905] kobject_init_and_add+0x122/0x190
[ 150.511202][ T5905] ? lockdep_softirqs_off+0x420/0x420
[ 150.516605][ T5905] ? kobject_add+0x210/0x210
[ 150.521214][ T5905] ? __init_swait_queue_head+0xa5/0x150
[ 150.526867][ T5905] gfs2_sys_fs_add+0x234/0x480
[ 150.531641][ T5905] ? gfs2_recover_set+0x240/0x240
[ 150.536750][ T5905] ? snprintf+0xd7/0x120
[ 150.541007][ T5905] ? __free_pages+0x95/0x1a0
[ 150.545617][ T5905] ? vscnprintf+0x80/0x80
[ 150.549982][ T5905] gfs2_fill_super+0x128d/0x1f50
[ 150.554943][ T5905] ? gfs2_reconfigure+0xcd0/0xcd0
[ 150.559977][ T5905] ? preempt_count_add+0x8d/0x190
[ 150.565020][ T5905] ? sb_set_blocksize+0xa5/0xe0
[ 150.570374][ T5905] get_tree_bdev+0x3f1/0x610
[ 150.575062][ T5905] ? gfs2_reconfigure+0xcd0/0xcd0
[ 150.580276][ T5905] gfs2_get_tree+0x4d/0x1e0
[ 150.584793][ T5905] vfs_get_tree+0x88/0x270
[ 150.589489][ T5905] do_new_mount+0x24a/0xa40
[ 150.594017][ T5905] __se_sys_mount+0x2d6/0x3c0
[ 150.595522][ T5902] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 150.598799][ T5905] ? __x64_sys_mount+0xc0/0xc0
[ 150.611173][ T5905] ? lockdep_hardirqs_on+0x94/0x140
[ 150.616392][ T5905] ? __x64_sys_mount+0x1c/0xc0
[ 150.621173][ T5905] do_syscall_64+0x4c/0xa0
[ 150.625605][ T5905] ? clear_bhb_loop+0x30/0x80
[ 150.630302][ T5905] ? clear_bhb_loop+0x30/0x80
[ 150.635118][ T5905] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 150.641017][ T5905] RIP: 0033:0x7f45b14dcefa
[ 150.645703][ T5905] 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
[ 150.662062][ T5902] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 150.665333][ T5905] RSP: 002b:00007f45b075ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 150.682042][ T5905] RAX: ffffffffffffffda RBX: 00007f45b075aef0 RCX: 00007f45b14dcefa
[ 150.690017][ T5905] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f45b075aeb0
[ 150.698078][ T5905] RBP: 0000000020000000 R08: 00007f45b075aef0 R09: 0000000000008c1b
[ 150.706150][ T5905] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 150.714224][ T5905] R13: 00007f45b075aeb0 R14: 000000000001272b R15: 0000000020000240
[ 150.722392][ T5905]
[ 150.796692][ T5899] syz.0.116 (5899): drop_caches: 2
[ 150.883628][ T5905] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 150.909742][ T5905] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2025/09/10 10:59:56 executed programs: 117
[ 150.979961][ T5902] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 151.034000][ T5903] syz.4.119 (5903): drop_caches: 2
[ 151.037435][ T5902] syz.3.118 (5902): drop_caches: 2
[ 151.249093][ T5905] syz.1.120 (5905): drop_caches: 2
[ 151.661445][ T5907] loop2: detected capacity change from 0 to 32768
[ 151.718659][ T5907] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 151.748928][ T5907] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 151.791494][ T5907] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms
[ 151.938833][ T5907] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 152.020084][ T5907] syz.2.121 (5907): drop_caches: 2
[ 152.024597][ T5909] loop0: detected capacity change from 0 to 32768
[ 152.125778][ T5909] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum"
[ 152.168132][ T5909] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)...
[ 152.214860][ T5909] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 3ms
[ 152.344447][ T5912] loop1: detected capacity change from 0 to 32768
[ 152.411331][ T5914] loop3: detected capacity change from 0 to 32768
[ 152.432797][ T5912] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 152.441077][ T5912] CPU: 1 PID: 5912 Comm: syz.1.125 Not tainted syzkaller #0
[ 152.448379][ T5912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 152.458442][ T5912] Call Trace:
[ 152.461729][ T5912]
[ 152.464666][ T5912] dump_stack_lvl+0x168/0x230
[ 152.469355][ T5912] ? show_regs_print_info+0x20/0x20
[ 152.474559][ T5912] ? load_image+0x3b0/0x3b0
[ 152.479200][ T5912] sysfs_create_dir_ns+0x252/0x280
[ 152.484321][ T5912] ? __lock_acquire+0x7c60/0x7c60
[ 152.489520][ T5912] ? sysfs_warn_dup+0xa0/0xa0
[ 152.490402][ T5915] loop4: detected capacity change from 0 to 32768
[ 152.494201][ T5912] ? do_raw_spin_unlock+0x11d/0x230
[ 152.494224][ T5912] kobject_add_internal+0x662/0xd00
[ 152.494247][ T5912] kobject_init_and_add+0x122/0x190
[ 152.494263][ T5912] ? lockdep_softirqs_off+0x420/0x420
[ 152.494282][ T5912] ? kobject_add+0x210/0x210
[ 152.494301][ T5912] ? __init_swait_queue_head+0xa5/0x150
[ 152.494320][ T5912] gfs2_sys_fs_add+0x234/0x480
[ 152.494339][ T5912] ? gfs2_recover_set+0x240/0x240
[ 152.516985][ T5915] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 152.521771][ T5912] ? snprintf+0xd7/0x120
[ 152.521796][ T5912] ? __free_pages+0x95/0x1a0
[ 152.521817][ T5912] ? vscnprintf+0x80/0x80
[ 152.521841][ T5912] gfs2_fill_super+0x128d/0x1f50
[ 152.521870][ T5912] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.521889][ T5912] ? preempt_count_add+0x8d/0x190
[ 152.521915][ T5912] ? sb_set_blocksize+0xa5/0xe0
[ 152.582885][ T5912] get_tree_bdev+0x3f1/0x610
[ 152.587754][ T5912] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.593258][ T5912] gfs2_get_tree+0x4d/0x1e0
[ 152.598042][ T5912] vfs_get_tree+0x88/0x270
[ 152.602482][ T5912] do_new_mount+0x24a/0xa40
[ 152.607270][ T5912] __se_sys_mount+0x2d6/0x3c0
[ 152.612048][ T5912] ? __x64_sys_mount+0xc0/0xc0
[ 152.616921][ T5912] ? lockdep_hardirqs_on+0x94/0x140
[ 152.622247][ T5912] ? __x64_sys_mount+0x1c/0xc0
[ 152.627023][ T5912] do_syscall_64+0x4c/0xa0
[ 152.631436][ T5912] ? clear_bhb_loop+0x30/0x80
[ 152.636110][ T5912] ? clear_bhb_loop+0x30/0x80
[ 152.640783][ T5912] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 152.646686][ T5912] RIP: 0033:0x7f45b14dcefa
[ 152.651108][ T5912] 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
[ 152.671007][ T5912] RSP: 002b:00007f45b075ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 152.679418][ T5912] RAX: ffffffffffffffda RBX: 00007f45b075aef0 RCX: 00007f45b14dcefa
[ 152.687392][ T5912] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f45b075aeb0
[ 152.695618][ T5912] RBP: 0000000020000000 R08: 00007f45b075aef0 R09: 0000000000008c1b
[ 152.703669][ T5912] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 152.712121][ T5912] R13: 00007f45b075aeb0 R14: 000000000001272b R15: 0000000020000240
[ 152.720107][ T5912]
[ 152.728329][ T5909] gfs2: fsid=statfs_quantum.s: first mount done, others may mount
[ 152.737921][ T5912] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 152.738737][ T5914] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 152.752849][ T5912] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 152.779829][ T5915] CPU: 1 PID: 5915 Comm: syz.4.123 Not tainted syzkaller #0
[ 152.787151][ T5915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 152.797382][ T5915] Call Trace:
[ 152.800763][ T5915]
[ 152.803706][ T5915] dump_stack_lvl+0x168/0x230
[ 152.808396][ T5915] ? show_regs_print_info+0x20/0x20
[ 152.813608][ T5915] ? load_image+0x3b0/0x3b0
[ 152.818131][ T5915] sysfs_create_dir_ns+0x252/0x280
[ 152.823262][ T5915] ? __lock_acquire+0x7c60/0x7c60
[ 152.828302][ T5915] ? sysfs_warn_dup+0xa0/0xa0
[ 152.833113][ T5915] ? do_raw_spin_unlock+0x11d/0x230
[ 152.838328][ T5915] kobject_add_internal+0x662/0xd00
[ 152.843631][ T5915] kobject_init_and_add+0x122/0x190
[ 152.848834][ T5915] ? lockdep_softirqs_off+0x420/0x420
[ 152.854306][ T5915] ? kobject_add+0x210/0x210
[ 152.858908][ T5915] ? __init_swait_queue_head+0xa5/0x150
[ 152.864478][ T5915] gfs2_sys_fs_add+0x234/0x480
[ 152.869250][ T5915] ? gfs2_recover_set+0x240/0x240
[ 152.874311][ T5915] ? snprintf+0xd7/0x120
[ 152.878563][ T5915] ? __free_pages+0x95/0x1a0
[ 152.883171][ T5915] ? vscnprintf+0x80/0x80
[ 152.887516][ T5915] gfs2_fill_super+0x128d/0x1f50
[ 152.892475][ T5915] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.897517][ T5915] ? preempt_count_add+0x8d/0x190
[ 152.902734][ T5915] ? sb_set_blocksize+0xa5/0xe0
[ 152.907681][ T5915] get_tree_bdev+0x3f1/0x610
[ 152.912412][ T5915] ? gfs2_reconfigure+0xcd0/0xcd0
[ 152.917604][ T5915] gfs2_get_tree+0x4d/0x1e0
[ 152.922128][ T5915] vfs_get_tree+0x88/0x270
[ 152.926713][ T5915] do_new_mount+0x24a/0xa40
[ 152.931241][ T5915] __se_sys_mount+0x2d6/0x3c0
[ 152.936040][ T5915] ? __x64_sys_mount+0xc0/0xc0
[ 152.940910][ T5915] ? lockdep_hardirqs_on+0x94/0x140
[ 152.946213][ T5915] ? __x64_sys_mount+0x1c/0xc0
[ 152.951196][ T5915] do_syscall_64+0x4c/0xa0
[ 152.955621][ T5915] ? clear_bhb_loop+0x30/0x80
[ 152.960307][ T5915] ? clear_bhb_loop+0x30/0x80
[ 152.965007][ T5915] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 152.970999][ T5915] RIP: 0033:0x7f817a59cefa
[ 152.975769][ T5915] 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
[ 152.995590][ T5915] RSP: 002b:00007f817981ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 153.004012][ T5915] RAX: ffffffffffffffda RBX: 00007f817981aef0 RCX: 00007f817a59cefa
[ 153.011991][ T5915] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f817981aeb0
[ 153.019967][ T5915] RBP: 0000000020000000 R08: 00007f817981aef0 R09: 0000000000008c1b
[ 153.027933][ T5915] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 153.035907][ T5915] R13: 00007f817981aeb0 R14: 000000000001272b R15: 0000000020000240
[ 153.043990][ T5915]
[ 153.047096][ T5914] CPU: 0 PID: 5914 Comm: syz.3.124 Not tainted syzkaller #0
[ 153.054397][ T5914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 153.061211][ T5915] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 153.064639][ T5914] Call Trace:
[ 153.064648][ T5914]
[ 153.064654][ T5914] dump_stack_lvl+0x168/0x230
[ 153.064680][ T5914] ? show_regs_print_info+0x20/0x20
[ 153.078898][ T5915] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 153.082430][ T5914] ? load_image+0x3b0/0x3b0
[ 153.082572][ T5914] sysfs_create_dir_ns+0x252/0x280
[ 153.082600][ T5914] ? __lock_acquire+0x7c60/0x7c60
[ 153.082621][ T5914] ? sysfs_warn_dup+0xa0/0xa0
[ 153.123646][ T5914] ? do_raw_spin_unlock+0x11d/0x230
[ 153.129046][ T5914] kobject_add_internal+0x662/0xd00
[ 153.134878][ T5914] kobject_init_and_add+0x122/0x190
[ 153.140101][ T5914] ? lockdep_softirqs_off+0x420/0x420
[ 153.146025][ T5914] ? kobject_add+0x210/0x210
[ 153.150726][ T5914] ? __init_swait_queue_head+0xa5/0x150
[ 153.156298][ T5914] gfs2_sys_fs_add+0x234/0x480
[ 153.161090][ T5914] ? gfs2_recover_set+0x240/0x240
[ 153.166134][ T5914] ? snprintf+0xd7/0x120
[ 153.170490][ T5914] ? __free_pages+0x95/0x1a0
[ 153.175238][ T5914] ? vscnprintf+0x80/0x80
[ 153.179664][ T5914] gfs2_fill_super+0x128d/0x1f50
[ 153.184738][ T5914] ? gfs2_reconfigure+0xcd0/0xcd0
[ 153.189782][ T5914] ? preempt_count_add+0x8d/0x190
[ 153.194830][ T5914] ? sb_set_blocksize+0xa5/0xe0
[ 153.200080][ T5914] get_tree_bdev+0x3f1/0x610
[ 153.204690][ T5914] ? gfs2_reconfigure+0xcd0/0xcd0
[ 153.209741][ T5914] gfs2_get_tree+0x4d/0x1e0
[ 153.214373][ T5914] vfs_get_tree+0x88/0x270
[ 153.219166][ T5914] do_new_mount+0x24a/0xa40
[ 153.223783][ T5914] __se_sys_mount+0x2d6/0x3c0
[ 153.228831][ T5914] ? __x64_sys_mount+0xc0/0xc0
[ 153.233710][ T5914] ? lockdep_hardirqs_on+0x94/0x140
[ 153.239015][ T5914] ? __x64_sys_mount+0x1c/0xc0
[ 153.243981][ T5914] do_syscall_64+0x4c/0xa0
[ 153.248589][ T5914] ? clear_bhb_loop+0x30/0x80
[ 153.253462][ T5914] ? clear_bhb_loop+0x30/0x80
[ 153.258245][ T5914] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 153.264153][ T5914] RIP: 0033:0x7f25b0179efa
[ 153.268576][ T5914] 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
[ 153.288849][ T5914] RSP: 002b:00007f25af3f7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 153.297571][ T5914] RAX: ffffffffffffffda RBX: 00007f25af3f7ef0 RCX: 00007f25b0179efa
[ 153.305817][ T5914] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f25af3f7eb0
[ 153.312934][ T5917] loop2: detected capacity change from 0 to 32768
[ 153.313815][ T5914] RBP: 0000000020000000 R08: 00007f25af3f7ef0 R09: 0000000000008c1b
[ 153.328588][ T5914] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 153.336662][ T5914] R13: 00007f25af3f7eb0 R14: 000000000001272b R15: 0000000020000240
[ 153.337187][ T5917] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[ 153.344760][ T5914]
[ 153.370403][ T5917] CPU: 1 PID: 5917 Comm: syz.2.126 Not tainted syzkaller #0
[ 153.377729][ T5917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 153.387792][ T5917] Call Trace:
[ 153.391077][ T5917]
[ 153.394030][ T5917] dump_stack_lvl+0x168/0x230
[ 153.398805][ T5917] ? show_regs_print_info+0x20/0x20
[ 153.404019][ T5917] ? load_image+0x3b0/0x3b0
[ 153.404835][ T5914] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 153.408535][ T5917] sysfs_create_dir_ns+0x252/0x280
[ 153.408562][ T5917] ? __lock_acquire+0x7c60/0x7c60
[ 153.427245][ T5914] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 153.427334][ T5917] ? sysfs_warn_dup+0xa0/0xa0
[ 153.444182][ T5917] ? do_raw_spin_unlock+0x11d/0x230
[ 153.449391][ T5917] kobject_add_internal+0x662/0xd00
[ 153.454579][ T5917] kobject_init_and_add+0x122/0x190
[ 153.459866][ T5917] ? lockdep_softirqs_off+0x420/0x420
[ 153.465318][ T5917] ? kobject_add+0x210/0x210
[ 153.469917][ T5917] ? __init_swait_queue_head+0xa5/0x150
[ 153.475636][ T5917] gfs2_sys_fs_add+0x234/0x480
[ 153.480397][ T5917] ? gfs2_recover_set+0x240/0x240
[ 153.485448][ T5917] ? snprintf+0xd7/0x120
[ 153.489693][ T5917] ? __free_pages+0x95/0x1a0
[ 153.494269][ T5917] ? vscnprintf+0x80/0x80
[ 153.498684][ T5917] gfs2_fill_super+0x128d/0x1f50
[ 153.503638][ T5917] ? gfs2_reconfigure+0xcd0/0xcd0
[ 153.508664][ T5917] ? preempt_count_add+0x8d/0x190
[ 153.513680][ T5917] ? sb_set_blocksize+0xa5/0xe0
[ 153.518715][ T5917] get_tree_bdev+0x3f1/0x610
[ 153.523293][ T5917] ? gfs2_reconfigure+0xcd0/0xcd0
[ 153.528325][ T5917] gfs2_get_tree+0x4d/0x1e0
[ 153.532922][ T5917] vfs_get_tree+0x88/0x270
[ 153.537494][ T5917] do_new_mount+0x24a/0xa40
[ 153.542017][ T5917] __se_sys_mount+0x2d6/0x3c0
[ 153.546720][ T5917] ? __x64_sys_mount+0xc0/0xc0
[ 153.551663][ T5917] ? lockdep_hardirqs_on+0x94/0x140
[ 153.556859][ T5917] ? __x64_sys_mount+0x1c/0xc0
[ 153.561612][ T5917] do_syscall_64+0x4c/0xa0
[ 153.566074][ T5917] ? clear_bhb_loop+0x30/0x80
[ 153.570856][ T5917] ? clear_bhb_loop+0x30/0x80
[ 153.575555][ T5917] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 153.581591][ T5917] RIP: 0033:0x7f33e7f87efa
[ 153.586105][ T5917] 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
[ 153.605821][ T5917] RSP: 002b:00007f33e7205e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 153.614687][ T5917] RAX: ffffffffffffffda RBX: 00007f33e7205ef0 RCX: 00007f33e7f87efa
[ 153.622770][ T5917] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f33e7205eb0
[ 153.630744][ T5917] RBP: 0000000020000000 R08: 00007f33e7205ef0 R09: 0000000000008c1b
[ 153.638858][ T5917] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000000020000100
[ 153.646920][ T5917] R13: 00007f33e7205eb0 R14: 000000000001272b R15: 0000000020000240
[ 153.654909][ T5917]
[ 153.665201][ T5917] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[ 153.679615][ T5917] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[ 153.798347][ T5912] ==================================================================
[ 153.806900][ T5912] BUG: KASAN: use-after-free in gfs2_qd_shrink_scan+0x61a/0x820
[ 153.814735][ T5912] Write of size 4 at addr ffff888072948a70 by task syz.1.125/5912
[ 153.822639][ T5912]
[ 153.825020][ T5912] CPU: 1 PID: 5912 Comm: syz.1.125 Not tainted syzkaller #0
[ 153.832415][ T5912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 153.842479][ T5912] Call Trace:
[ 153.845864][ T5912]
[ 153.848791][ T5912] dump_stack_lvl+0x168/0x230
[ 153.853598][ T5912] ? show_regs_print_info+0x20/0x20
[ 153.858901][ T5912] ? load_image+0x3b0/0x3b0
[ 153.863423][ T5912] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 153.865537][ T5915] syz.4.123 (5915): drop_caches: 2
[ 153.868807][ T5912] ? __wake_up+0x116/0x180
[ 153.878603][ T5912] print_address_description+0x60/0x2d0
[ 153.884179][ T5912] ? gfs2_qd_shrink_scan+0x61a/0x820
[ 153.889476][ T5912] kasan_report+0xdf/0x130
[ 153.894005][ T5912] ? gfs2_qd_shrink_scan+0x61a/0x820
[ 153.899305][ T5912] kasan_check_range+0x27b/0x290
[ 153.904258][ T5912] gfs2_qd_shrink_scan+0x61a/0x820
[ 153.909392][ T5912] ? gfs2_qd_shrink_count+0x100/0x100
[ 153.914783][ T5912] do_shrink_slab+0x510/0xd00
[ 153.919488][ T5912] shrink_slab+0x1b1/0x770
[ 153.923936][ T5912] ? drop_slab_node+0x180/0x180
[ 153.928812][ T5912] ? mem_cgroup_iter+0x345/0x480
[ 153.933777][ T5912] drop_slab_node+0xf3/0x180
[ 153.938559][ T5912] drop_slab+0x81/0x110
[ 153.942895][ T5912] drop_caches_sysctl_handler+0xbe/0x160
[ 153.948543][ T5912] proc_sys_call_handler+0x458/0x6c0
[ 153.953931][ T5912] ? proc_sys_open+0x260/0x260
[ 153.958704][ T5912] ? __mutex_lock_common+0x431/0x2390
[ 153.964110][ T5912] do_iter_readv_writev+0x497/0x600
[ 153.969329][ T5912] ? generic_file_rw_checks+0x280/0x280
[ 153.975037][ T5912] ? common_file_perm+0x171/0x1c0
[ 153.980166][ T5912] ? fsnotify_perm+0x5d/0x560
[ 153.982972][ T5914] syz.3.124 (5914): drop_caches: 2
[ 153.985065][ T5912] ? security_file_permission+0x75/0xa0
[ 153.995721][ T5912] do_iter_write+0x205/0x7b0
[ 154.000602][ T5912] do_writev+0x254/0x410
[ 154.004981][ T5912] ? do_readv+0x3e0/0x3e0
[ 154.009340][ T5912] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 154.015429][ T5912] ? lock_chain_count+0x20/0x20
[ 154.020306][ T5912] ? vtime_user_exit+0x2dc/0x400
[ 154.025265][ T5912] ? lockdep_hardirqs_on+0x94/0x140
[ 154.030476][ T5912] do_syscall_64+0x4c/0xa0
[ 154.034885][ T5912] ? clear_bhb_loop+0x30/0x80
[ 154.039579][ T5912] ? clear_bhb_loop+0x30/0x80
[ 154.044288][ T5912] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 154.050198][ T5912] RIP: 0033:0x7f45b14db759
[ 154.054630][ T5912] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 154.074257][ T5912] RSP: 002b:00007f45b075b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
[ 154.082681][ T5912] RAX: ffffffffffffffda RBX: 00007f45b1692f80 RCX: 00007f45b14db759
[ 154.090753][ T5912] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000003
[ 154.099419][ T5912] RBP: 00007f45b154e75e R08: 0000000000000000 R09: 0000000000000000
[ 154.107402][ T5912] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 154.115386][ T5912] R13: 0000000000000000 R14: 00007f45b1692f80 R15: 00007ffe57746e38
[ 154.123479][ T5912]
[ 154.126515][ T5912]
[ 154.128834][ T5912] Allocated by task 5909:
[ 154.133161][ T5912] __kasan_kmalloc+0xb5/0xf0
[ 154.137761][ T5912] gfs2_fill_super+0x13f/0x1f50
[ 154.142626][ T5912] get_tree_bdev+0x3f1/0x610
[ 154.147231][ T5912] gfs2_get_tree+0x4d/0x1e0
[ 154.151756][ T5912] vfs_get_tree+0x88/0x270
[ 154.156623][ T5912] do_new_mount+0x24a/0xa40
[ 154.161126][ T5912] __se_sys_mount+0x2d6/0x3c0
[ 154.165905][ T5912] do_syscall_64+0x4c/0xa0
[ 154.170318][ T5912] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 154.176210][ T5912]
[ 154.178532][ T5912] Freed by task 4946:
[ 154.182505][ T5912] kasan_set_track+0x4b/0x70
[ 154.187101][ T5912] kasan_set_free_info+0x1f/0x40
[ 154.192044][ T5912] ____kasan_slab_free+0xd5/0x110
[ 154.197076][ T5912] slab_free_freelist_hook+0xea/0x170
[ 154.202550][ T5912] kfree+0xef/0x2a0
[ 154.206360][ T5912] generic_shutdown_super+0x130/0x300
[ 154.211743][ T5912] kill_block_super+0x7c/0xe0
[ 154.216432][ T5912] deactivate_locked_super+0x93/0xf0
[ 154.222071][ T5912] cleanup_mnt+0x418/0x4d0
[ 154.226495][ T5912] task_work_run+0x125/0x1a0
[ 154.231101][ T5912] exit_to_user_mode_loop+0x10f/0x130
[ 154.236484][ T5912] exit_to_user_mode_prepare+0xb1/0x140
[ 154.242041][ T5912] syscall_exit_to_user_mode+0x16/0x40
[ 154.247512][ T5912] do_syscall_64+0x58/0xa0
[ 154.251941][ T5912] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 154.257856][ T5912]
[ 154.260335][ T5912] The buggy address belongs to the object at ffff888072948000
[ 154.260335][ T5912] which belongs to the cache kmalloc-8k of size 8192
[ 154.274615][ T5912] The buggy address is located 2672 bytes inside of
[ 154.274615][ T5912] 8192-byte region [ffff888072948000, ffff88807294a000)
[ 154.288199][ T5912] The buggy address belongs to the page:
[ 154.293923][ T5912] page:ffffea0001ca5200 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807294c000 pfn:0x72948
[ 154.305388][ T5912] head:ffffea0001ca5200 order:3 compound_mapcount:0 compound_pincount:0
[ 154.313881][ T5912] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 154.322027][ T5912] raw: 00fff00000010200 ffffea0001c31400 0000000300000003 ffff888016842280
[ 154.330793][ T5912] raw: ffff88807294c000 0000000080020001 00000001ffffffff 0000000000000000
[ 154.339406][ T5912] page dumped because: kasan: bad access detected
[ 154.345830][ T5912] page_owner tracks the page as allocated
[ 154.351773][ T5912] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 4894, ts 85511579144, free_ts 85498828625
[ 154.372763][ T5912] get_page_from_freelist+0x1b77/0x1c60
[ 154.378325][ T5912] __alloc_pages+0x1e1/0x470
[ 154.382925][ T5912] new_slab+0xc0/0x4b0
[ 154.386990][ T5912] ___slab_alloc+0x81e/0xdf0
[ 154.391670][ T5912] __kmalloc_node+0x200/0x3b0
[ 154.396348][ T5912] kvmalloc_node+0x84/0x130
[ 154.400870][ T5912] pfifo_fast_init+0x35f/0x6a0
[ 154.405638][ T5912] qdisc_create_dflt+0x11a/0x430
[ 154.410581][ T5912] dev_activate+0x331/0x12b0
[ 154.415178][ T5912] __dev_open+0x32c/0x420
[ 154.419508][ T5912] __dev_change_flags+0x20a/0x6a0
[ 154.424538][ T5912] dev_change_flags+0x82/0x1a0
[ 154.429954][ T5912] do_setlink+0xc01/0x3980
[ 154.434392][ T5912] rtnl_newlink+0x1419/0x17d0
[ 154.439259][ T5912] rtnetlink_rcv_msg+0x9b9/0xe60
[ 154.444315][ T5912] netlink_rcv_skb+0x1e0/0x430
[ 154.449267][ T5912] page last free stack trace:
[ 154.453946][ T5912] free_unref_page_prepare+0x637/0x6c0
[ 154.459419][ T5912] free_unref_page+0x94/0x280
[ 154.464109][ T5912] __unfreeze_partials+0x1a5/0x200
[ 154.469225][ T5912] put_cpu_partial+0x12d/0x190
[ 154.474005][ T5912] qlist_free_all+0x35/0x90
[ 154.478514][ T5912] kasan_quarantine_reduce+0x150/0x160
[ 154.484077][ T5912] __kasan_slab_alloc+0x2f/0xd0
[ 154.488950][ T5912] slab_post_alloc_hook+0x4c/0x380
[ 154.494280][ T5912] kmem_cache_alloc_node+0x12d/0x2d0
[ 154.499726][ T5912] __alloc_skb+0xf4/0x750
[ 154.504154][ T5912] netlink_sendmsg+0x645/0xbc0
[ 154.509019][ T5912] __sys_sendto+0x423/0x580
[ 154.513791][ T5912] __x64_sys_sendto+0xda/0xf0
[ 154.518578][ T5912] do_syscall_64+0x4c/0xa0
[ 154.522998][ T5912] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 154.529089][ T5912]
[ 154.531424][ T5912] Memory state around the buggy address:
[ 154.537063][ T5912] ffff888072948900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 154.545148][ T5912] ffff888072948980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 154.553352][ T5912] >ffff888072948a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 154.561415][ T5912] ^
[ 154.569148][ T5912] ffff888072948a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 154.577315][ T5912] ffff888072948b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 154.585382][ T5912] ==================================================================
[ 154.593545][ T5912] Disabling lock debugging due to kernel taint
[ 154.731859][ T5917] syz.2.126 (5917): drop_caches: 2
[ 154.840650][ T5923] loop3: detected capacity change from 0 to 32768
[ 154.913650][ T5926] loop4: detected capacity change from 0 to 32768
[ 155.002114][ T5929] loop0: detected capacity change from 0 to 32768
[ 155.012466][ T5912] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 155.019950][ T5912] CPU: 1 PID: 5912 Comm: syz.1.125 Tainted: G B syzkaller #0
[ 155.028709][ T5912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 155.038762][ T5912] Call Trace:
[ 155.042140][ T5912]
[ 155.045072][ T5912] dump_stack_lvl+0x168/0x230
[ 155.049756][ T5912] ? show_regs_print_info+0x20/0x20
[ 155.054959][ T5912] ? load_image+0x3b0/0x3b0
[ 155.059477][ T5912] panic+0x2c9/0x7f0
[ 155.063476][ T5912] ? bpf_jit_dump+0xd0/0xd0
[ 155.067986][ T5912] ? _raw_spin_unlock_irqrestore+0xf6/0x100
[ 155.074047][ T5912] ? _raw_spin_unlock+0x40/0x40
[ 155.078902][ T5912] ? gfs2_qd_shrink_scan+0x61a/0x820
[ 155.084187][ T5912] check_panic_on_warn+0x80/0xa0
[ 155.089131][ T5912] ? gfs2_qd_shrink_scan+0x61a/0x820
[ 155.094429][ T5912] end_report+0x6d/0xf0
[ 155.098855][ T5912] kasan_report+0x102/0x130
[ 155.103377][ T5912] ? gfs2_qd_shrink_scan+0x61a/0x820
[ 155.108916][ T5912] kasan_check_range+0x27b/0x290
[ 155.113920][ T5912] gfs2_qd_shrink_scan+0x61a/0x820
[ 155.119055][ T5912] ? gfs2_qd_shrink_count+0x100/0x100
[ 155.124528][ T5912] do_shrink_slab+0x510/0xd00
[ 155.129217][ T5912] shrink_slab+0x1b1/0x770
[ 155.133845][ T5912] ? drop_slab_node+0x180/0x180
[ 155.138703][ T5912] ? mem_cgroup_iter+0x345/0x480
[ 155.143662][ T5912] drop_slab_node+0xf3/0x180
[ 155.148265][ T5912] drop_slab+0x81/0x110
[ 155.152513][ T5912] drop_caches_sysctl_handler+0xbe/0x160
[ 155.158149][ T5912] proc_sys_call_handler+0x458/0x6c0
[ 155.163965][ T5912] ? proc_sys_open+0x260/0x260
[ 155.168739][ T5912] ? __mutex_lock_common+0x431/0x2390
[ 155.174217][ T5912] do_iter_readv_writev+0x497/0x600
[ 155.179438][ T5912] ? generic_file_rw_checks+0x280/0x280
[ 155.184994][ T5912] ? common_file_perm+0x171/0x1c0
[ 155.190033][ T5912] ? fsnotify_perm+0x5d/0x560
[ 155.194704][ T5912] ? security_file_permission+0x75/0xa0
[ 155.196410][ T5931] loop2: detected capacity change from 0 to 32768
[ 155.200248][ T5912] do_iter_write+0x205/0x7b0
[ 155.211398][ T5912] do_writev+0x254/0x410
[ 155.215737][ T5912] ? do_readv+0x3e0/0x3e0
[ 155.220100][ T5912] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 155.226272][ T5912] ? lock_chain_count+0x20/0x20
[ 155.231134][ T5912] ? vtime_user_exit+0x2dc/0x400
[ 155.236281][ T5912] ? lockdep_hardirqs_on+0x94/0x140
[ 155.241574][ T5912] do_syscall_64+0x4c/0xa0
[ 155.246250][ T5912] ? clear_bhb_loop+0x30/0x80
[ 155.250930][ T5912] ? clear_bhb_loop+0x30/0x80
[ 155.256178][ T5912] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 155.262168][ T5912] RIP: 0033:0x7f45b14db759
[ 155.266683][ T5912] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 155.286485][ T5912] RSP: 002b:00007f45b075b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
[ 155.294880][ T5912] RAX: ffffffffffffffda RBX: 00007f45b1692f80 RCX: 00007f45b14db759
[ 155.302946][ T5912] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000003
[ 155.311010][ T5912] RBP: 00007f45b154e75e R08: 0000000000000000 R09: 0000000000000000
[ 155.319080][ T5912] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 155.327700][ T5912] R13: 0000000000000000 R14: 00007f45b1692f80 R15: 00007ffe57746e38
[ 155.335761][ T5912]
[ 155.339089][ T5912] Kernel Offset: disabled
[ 155.343410][ T5912] Rebooting in 86400 seconds..