CPU: 1 UID: 0 PID: 6280 Comm: syz.4.56 Not tainted syzkaller #0 PREEMPT(full)
[ 166.342659][ T6280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 166.342671][ T6280] Call Trace:
[ 166.342679][ T6280]
[ 166.342687][ T6280] dump_stack_lvl+0x189/0x250
[ 166.342721][ T6280] ? __pfx_dump_stack_lvl+0x10/0x10
[ 166.342745][ T6280] ? __pfx__printk+0x10/0x10
[ 166.342779][ T6280] ? kernfs_path_from_node+0x250/0x290
[ 166.342800][ T6280] ? kernfs_path_from_node+0x2f/0x290
[ 166.342824][ T6280] sysfs_create_dir_ns+0x259/0x280
[ 166.342848][ T6280] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 166.342870][ T6280] ? do_raw_spin_unlock+0x122/0x240
[ 166.342911][ T6280] kobject_add_internal+0x6ab/0xcc0
[ 166.342943][ T6280] kobject_init_and_add+0x125/0x190
[ 166.342970][ T6280] ? __pfx_kobject_init_and_add+0x10/0x10
[ 166.342991][ T6280] ? __raw_spin_lock_init+0x45/0x100
[ 166.343018][ T6280] ? __init_swait_queue_head+0xa9/0x150
[ 166.343045][ T6280] gfs2_sys_fs_add+0x234/0x450
[ 166.343070][ T6280] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 166.343101][ T6280] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 166.343141][ T6280] gfs2_fill_super+0x1388/0x21b0
[ 166.343177][ T6280] ? __pfx_gfs2_fill_super+0x10/0x10
[ 166.343202][ T6280] ? sb_set_blocksize+0x155/0x240
[ 166.343226][ T6280] ? setup_bdev_super+0x4c1/0x5b0
[ 166.343250][ T6280] get_tree_bdev_flags+0x40e/0x4d0
[ 166.343270][ T6280] ? __pfx_gfs2_fill_super+0x10/0x10
[ 166.343289][ T6280] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 166.343307][ T6280] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 166.343348][ T6280] gfs2_get_tree+0x51/0x1e0
[ 166.343370][ T6280] vfs_get_tree+0x92/0x2a0
[ 166.343394][ T6280] do_new_mount+0x302/0xa10
[ 166.343415][ T6280] ? apparmor_capable+0x137/0x1a0
[ 166.343446][ T6280] ? __pfx_do_new_mount+0x10/0x10
[ 166.343469][ T6280] ? ns_capable+0x8a/0xf0
[ 166.343493][ T6280] ? kmem_cache_free+0x197/0x620
[ 166.343527][ T6280] __se_sys_mount+0x313/0x410
[ 166.343557][ T6280] ? __pfx___se_sys_mount+0x10/0x10
[ 166.343587][ T6280] ? do_syscall_64+0xbe/0xf80
[ 166.343605][ T6280] ? __x64_sys_mount+0x20/0xc0
[ 166.343630][ T6280] do_syscall_64+0xfa/0xf80
[ 166.343648][ T6280] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 166.343667][ T6280] ? clear_bhb_loop+0x60/0xb0
[ 166.343691][ T6280] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 166.343708][ T6280] RIP: 0033:0x7f02c3d90eea
[ 166.343727][ T6280] 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
[ 166.343744][ T6280] RSP: 002b:00007f02c4bd5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 166.343766][ T6280] RAX: ffffffffffffffda RBX: 00007f02c4bd5ef0 RCX: 00007f02c3d90eea
[ 166.343780][ T6280] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f02c4bd5eb0
[ 166.343794][ T6280] RBP: 00002000000124c0 R08: 00007f02c4bd5ef0 R09: 0000000000000000
[ 166.343807][ T6280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 166.343819][ T6280] R13: 00007f02c4bd5eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 166.343854][ T6280]
[ 166.343882][ T6280] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 166.666756][ T6280] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 167.082201][ T6284] loop2: detected capacity change from 0 to 32768
[ 167.139815][ T6284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 167.148805][ T6284] CPU: 0 UID: 0 PID: 6284 Comm: syz.2.57 Not tainted syzkaller #0 PREEMPT(full)
[ 167.148832][ T6284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 167.148844][ T6284] Call Trace:
[ 167.148852][ T6284]
[ 167.148861][ T6284] dump_stack_lvl+0x189/0x250
[ 167.148894][ T6284] ? __pfx_dump_stack_lvl+0x10/0x10
[ 167.148917][ T6284] ? __pfx__printk+0x10/0x10
[ 167.148951][ T6284] ? kernfs_path_from_node+0x250/0x290
[ 167.148971][ T6284] ? kernfs_path_from_node+0x2f/0x290
[ 167.148996][ T6284] sysfs_create_dir_ns+0x259/0x280
[ 167.149021][ T6284] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 167.149044][ T6284] ? do_raw_spin_unlock+0x122/0x240
[ 167.149076][ T6284] kobject_add_internal+0x6ab/0xcc0
[ 167.149109][ T6284] kobject_init_and_add+0x125/0x190
[ 167.149137][ T6284] ? __pfx_kobject_init_and_add+0x10/0x10
[ 167.149160][ T6284] ? __raw_spin_lock_init+0x45/0x100
[ 167.149189][ T6284] ? __init_swait_queue_head+0xa9/0x150
[ 167.149219][ T6284] gfs2_sys_fs_add+0x234/0x450
[ 167.149247][ T6284] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 167.149282][ T6284] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 167.149324][ T6284] gfs2_fill_super+0x1388/0x21b0
[ 167.149361][ T6284] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.149385][ T6284] ? sb_set_blocksize+0x155/0x240
[ 167.149409][ T6284] ? setup_bdev_super+0x4c1/0x5b0
[ 167.149433][ T6284] get_tree_bdev_flags+0x40e/0x4d0
[ 167.149453][ T6284] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.149473][ T6284] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 167.149490][ T6284] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 167.149530][ T6284] gfs2_get_tree+0x51/0x1e0
[ 167.149553][ T6284] vfs_get_tree+0x92/0x2a0
[ 167.149576][ T6284] do_new_mount+0x302/0xa10
[ 167.149598][ T6284] ? apparmor_capable+0x137/0x1a0
[ 167.149629][ T6284] ? __pfx_do_new_mount+0x10/0x10
[ 167.149652][ T6284] ? ns_capable+0x8a/0xf0
[ 167.149686][ T6284] ? kmem_cache_free+0x197/0x620
[ 167.149719][ T6284] __se_sys_mount+0x313/0x410
[ 167.149751][ T6284] ? __pfx___se_sys_mount+0x10/0x10
[ 167.149779][ T6284] ? do_syscall_64+0xbe/0xf80
[ 167.149797][ T6284] ? __x64_sys_mount+0x20/0xc0
[ 167.149823][ T6284] do_syscall_64+0xfa/0xf80
[ 167.149843][ T6284] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.149862][ T6284] ? clear_bhb_loop+0x60/0xb0
[ 167.149886][ T6284] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.149904][ T6284] RIP: 0033:0x7fdf5f790eea
[ 167.149922][ T6284] 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
[ 167.149938][ T6284] RSP: 002b:00007fdf605d7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.149961][ T6284] RAX: ffffffffffffffda RBX: 00007fdf605d7ef0 RCX: 00007fdf5f790eea
[ 167.149975][ T6284] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fdf605d7eb0
[ 167.149988][ T6284] RBP: 00002000000124c0 R08: 00007fdf605d7ef0 R09: 0000000000000000
[ 167.150001][ T6284] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 167.150013][ T6284] R13: 00007fdf605d7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 167.150048][ T6284]
[ 167.150076][ T6284] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 167.488031][ T6284] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 167.668400][ T6288] loop3: detected capacity change from 0 to 32768
[ 167.700040][ T5967] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 1917ms
[ 167.776270][ T5967] gfs2: fsid=syz:syz.0: jid=0: Done
[ 167.781835][ T6288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 167.795827][ T6288] CPU: 1 UID: 0 PID: 6288 Comm: syz.3.58 Not tainted syzkaller #0 PREEMPT(full)
[ 167.795854][ T6288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 167.795867][ T6288] Call Trace:
[ 167.795875][ T6288]
[ 167.795883][ T6288] dump_stack_lvl+0x189/0x250
[ 167.795917][ T6288] ? __pfx_dump_stack_lvl+0x10/0x10
[ 167.795940][ T6288] ? __pfx__printk+0x10/0x10
[ 167.795974][ T6288] ? kernfs_path_from_node+0x250/0x290
[ 167.795994][ T6288] ? kernfs_path_from_node+0x2f/0x290
[ 167.796019][ T6288] sysfs_create_dir_ns+0x259/0x280
[ 167.796043][ T6288] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 167.796067][ T6288] ? do_raw_spin_unlock+0x122/0x240
[ 167.796100][ T6288] kobject_add_internal+0x6ab/0xcc0
[ 167.796133][ T6288] kobject_init_and_add+0x125/0x190
[ 167.796161][ T6288] ? __pfx_kobject_init_and_add+0x10/0x10
[ 167.796185][ T6288] ? __raw_spin_lock_init+0x45/0x100
[ 167.796214][ T6288] ? __init_swait_queue_head+0xa9/0x150
[ 167.796246][ T6288] gfs2_sys_fs_add+0x234/0x450
[ 167.796275][ T6288] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 167.796309][ T6288] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 167.796353][ T6288] gfs2_fill_super+0x1388/0x21b0
[ 167.796390][ T6288] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.796415][ T6288] ? sb_set_blocksize+0x155/0x240
[ 167.796439][ T6288] ? setup_bdev_super+0x4c1/0x5b0
[ 167.796463][ T6288] get_tree_bdev_flags+0x40e/0x4d0
[ 167.796483][ T6288] ? __pfx_gfs2_fill_super+0x10/0x10
[ 167.796502][ T6288] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 167.796519][ T6288] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 167.796559][ T6288] gfs2_get_tree+0x51/0x1e0
[ 167.796581][ T6288] vfs_get_tree+0x92/0x2a0
[ 167.796605][ T6288] do_new_mount+0x302/0xa10
[ 167.796626][ T6288] ? apparmor_capable+0x137/0x1a0
[ 167.796656][ T6288] ? __pfx_do_new_mount+0x10/0x10
[ 167.796679][ T6288] ? ns_capable+0x8a/0xf0
[ 167.796712][ T6288] ? kmem_cache_free+0x197/0x620
[ 167.796745][ T6288] __se_sys_mount+0x313/0x410
[ 167.796776][ T6288] ? __pfx___se_sys_mount+0x10/0x10
[ 167.796805][ T6288] ? do_syscall_64+0xbe/0xf80
[ 167.796822][ T6288] ? __x64_sys_mount+0x20/0xc0
[ 167.796848][ T6288] do_syscall_64+0xfa/0xf80
[ 167.796867][ T6288] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.796887][ T6288] ? clear_bhb_loop+0x60/0xb0
[ 167.796911][ T6288] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 167.796930][ T6288] RIP: 0033:0x7f4dfd390eea
[ 167.796945][ T6288] 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
[ 167.796959][ T6288] RSP: 002b:00007f4dfc9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 167.796981][ T6288] RAX: ffffffffffffffda RBX: 00007f4dfc9fdef0 RCX: 00007f4dfd390eea
[ 167.796996][ T6288] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4dfc9fdeb0
[ 167.797009][ T6288] RBP: 00002000000124c0 R08: 00007f4dfc9fdef0 R09: 0000000000000000
[ 167.797023][ T6288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 167.797035][ T6288] R13: 00007f4dfc9fdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 167.797070][ T6288]
[ 167.797099][ T6288] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 168.126964][ T6288] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 168.136342][ T6274] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 168.501388][ T6293] loop0: detected capacity change from 0 to 32768
[ 168.527152][ T6274] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 168.850651][ T6293] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 168.858237][ T6293] CPU: 0 UID: 0 PID: 6293 Comm: syz.0.59 Not tainted syzkaller #0 PREEMPT(full)
[ 168.858266][ T6293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 168.858278][ T6293] Call Trace:
[ 168.858286][ T6293]
[ 168.858295][ T6293] dump_stack_lvl+0x189/0x250
[ 168.858329][ T6293] ? __pfx_dump_stack_lvl+0x10/0x10
[ 168.858353][ T6293] ? __pfx__printk+0x10/0x10
[ 168.858389][ T6293] ? kernfs_path_from_node+0x250/0x290
[ 168.858409][ T6293] ? kernfs_path_from_node+0x2f/0x290
[ 168.858435][ T6293] sysfs_create_dir_ns+0x259/0x280
[ 168.858461][ T6293] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 168.858484][ T6293] ? do_raw_spin_unlock+0x122/0x240
[ 168.858517][ T6293] kobject_add_internal+0x6ab/0xcc0
[ 168.858550][ T6293] kobject_init_and_add+0x125/0x190
[ 168.858579][ T6293] ? __pfx_kobject_init_and_add+0x10/0x10
[ 168.858603][ T6293] ? __raw_spin_lock_init+0x45/0x100
[ 168.858631][ T6293] ? __init_swait_queue_head+0xa9/0x150
[ 168.858663][ T6293] gfs2_sys_fs_add+0x234/0x450
[ 168.858692][ T6293] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 168.858736][ T6293] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 168.858779][ T6293] gfs2_fill_super+0x1388/0x21b0
[ 168.858817][ T6293] ? __pfx_gfs2_fill_super+0x10/0x10
[ 168.858848][ T6293] ? sb_set_blocksize+0x155/0x240
[ 168.858872][ T6293] ? setup_bdev_super+0x4c1/0x5b0
[ 168.858897][ T6293] get_tree_bdev_flags+0x40e/0x4d0
2025/12/05 22:46:39 executed programs: 54
[ 168.858917][ T6293] ? __pfx_gfs2_fill_super+0x10/0x10
[ 168.858936][ T6293] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 168.858953][ T6293] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 168.858993][ T6293] gfs2_get_tree+0x51/0x1e0
[ 168.859017][ T6293] vfs_get_tree+0x92/0x2a0
[ 168.859040][ T6293] do_new_mount+0x302/0xa10
[ 168.859061][ T6293] ? apparmor_capable+0x137/0x1a0
[ 168.859093][ T6293] ? __pfx_do_new_mount+0x10/0x10
[ 168.859117][ T6293] ? ns_capable+0x8a/0xf0
[ 168.859141][ T6293] ? kmem_cache_free+0x197/0x620
[ 168.859174][ T6293] __se_sys_mount+0x313/0x410
[ 168.859206][ T6293] ? __pfx___se_sys_mount+0x10/0x10
[ 168.859235][ T6293] ? do_syscall_64+0xbe/0xf80
[ 168.859251][ T6293] ? __x64_sys_mount+0x20/0xc0
[ 168.859277][ T6293] do_syscall_64+0xfa/0xf80
[ 168.859297][ T6293] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 168.859316][ T6293] ? clear_bhb_loop+0x60/0xb0
[ 168.859339][ T6293] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 168.859358][ T6293] RIP: 0033:0x7faf8e590eea
[ 168.859377][ T6293] 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
[ 168.859393][ T6293] RSP: 002b:00007faf8f359e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 168.859415][ T6293] RAX: ffffffffffffffda RBX: 00007faf8f359ef0 RCX: 00007faf8e590eea
[ 168.859430][ T6293] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007faf8f359eb0
[ 168.859443][ T6293] RBP: 00002000000124c0 R08: 00007faf8f359ef0 R09: 0000000000000000
[ 168.859455][ T6293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 168.859468][ T6293] R13: 00007faf8f359eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 168.859502][ T6293]
[ 168.859556][ T6293] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 169.187595][ T6293] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 169.842024][ T6301] loop4: detected capacity change from 0 to 32768
[ 170.044813][ T6301] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 170.053101][ T6301] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 170.067358][ T6301] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 170.077293][ T6143] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 170.081781][ T6304] loop3: detected capacity change from 0 to 32768
[ 170.084095][ T6143] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 170.155730][ T6304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 170.163177][ T6304] CPU: 0 UID: 0 PID: 6304 Comm: syz.3.63 Not tainted syzkaller #0 PREEMPT(full)
[ 170.163203][ T6304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 170.163213][ T6304] Call Trace:
[ 170.163221][ T6304]
[ 170.163228][ T6304] dump_stack_lvl+0x189/0x250
[ 170.163259][ T6304] ? __pfx_dump_stack_lvl+0x10/0x10
[ 170.163280][ T6304] ? __pfx__printk+0x10/0x10
[ 170.163313][ T6304] ? kernfs_path_from_node+0x250/0x290
[ 170.163334][ T6304] ? kernfs_path_from_node+0x2f/0x290
[ 170.163360][ T6304] sysfs_create_dir_ns+0x259/0x280
[ 170.163385][ T6304] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 170.163408][ T6304] ? do_raw_spin_unlock+0x122/0x240
[ 170.163442][ T6304] kobject_add_internal+0x6ab/0xcc0
[ 170.163475][ T6304] kobject_init_and_add+0x125/0x190
[ 170.163503][ T6304] ? __pfx_kobject_init_and_add+0x10/0x10
[ 170.163527][ T6304] ? __raw_spin_lock_init+0x45/0x100
[ 170.163555][ T6304] ? __init_swait_queue_head+0xa9/0x150
[ 170.163586][ T6304] gfs2_sys_fs_add+0x234/0x450
[ 170.163614][ T6304] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 170.163650][ T6304] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 170.163692][ T6304] gfs2_fill_super+0x1388/0x21b0
[ 170.163729][ T6304] ? __pfx_gfs2_fill_super+0x10/0x10
[ 170.163754][ T6304] ? sb_set_blocksize+0x155/0x240
[ 170.163778][ T6304] ? setup_bdev_super+0x4c1/0x5b0
[ 170.163802][ T6304] get_tree_bdev_flags+0x40e/0x4d0
[ 170.163823][ T6304] ? __pfx_gfs2_fill_super+0x10/0x10
[ 170.163842][ T6304] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 170.163860][ T6304] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 170.163900][ T6304] gfs2_get_tree+0x51/0x1e0
[ 170.163932][ T6304] vfs_get_tree+0x92/0x2a0
[ 170.163955][ T6304] do_new_mount+0x302/0xa10
[ 170.163977][ T6304] ? apparmor_capable+0x137/0x1a0
[ 170.164008][ T6304] ? __pfx_do_new_mount+0x10/0x10
[ 170.164032][ T6304] ? ns_capable+0x8a/0xf0
[ 170.164055][ T6304] ? kmem_cache_free+0x197/0x620
[ 170.164087][ T6304] __se_sys_mount+0x313/0x410
[ 170.164118][ T6304] ? __pfx___se_sys_mount+0x10/0x10
[ 170.164147][ T6304] ? do_syscall_64+0xbe/0xf80
[ 170.164162][ T6304] ? __x64_sys_mount+0x20/0xc0
[ 170.164188][ T6304] do_syscall_64+0xfa/0xf80
[ 170.164206][ T6304] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 170.164224][ T6304] ? clear_bhb_loop+0x60/0xb0
[ 170.164246][ T6304] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 170.164263][ T6304] RIP: 0033:0x7f4dfd390eea
[ 170.164281][ T6304] 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
[ 170.164296][ T6304] RSP: 002b:00007f4dfc9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 170.164316][ T6304] RAX: ffffffffffffffda RBX: 00007f4dfc9fdef0 RCX: 00007f4dfd390eea
[ 170.164330][ T6304] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4dfc9fdeb0
[ 170.164343][ T6304] RBP: 00002000000124c0 R08: 00007f4dfc9fdef0 R09: 0000000000000000
[ 170.164355][ T6304] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 170.164367][ T6304] R13: 00007f4dfc9fdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 170.164401][ T6304]
[ 170.164431][ T6304] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 170.485514][ T6304] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 170.598703][ T6143] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 514ms
[ 171.047399][ T6311] loop2: detected capacity change from 0 to 32768
[ 171.063836][ T6143] gfs2: fsid=syz:syz.0: jid=0: Done
[ 171.069190][ T6301] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 171.185627][ T6311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 171.193113][ T6311] CPU: 1 UID: 0 PID: 6311 Comm: syz.2.64 Not tainted syzkaller #0 PREEMPT(full)
[ 171.193141][ T6311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 171.193153][ T6311] Call Trace:
[ 171.193160][ T6311]
[ 171.193169][ T6311] dump_stack_lvl+0x189/0x250
[ 171.193202][ T6311] ? __pfx_dump_stack_lvl+0x10/0x10
[ 171.193226][ T6311] ? __pfx__printk+0x10/0x10
[ 171.193260][ T6311] ? kernfs_path_from_node+0x250/0x290
[ 171.193281][ T6311] ? kernfs_path_from_node+0x2f/0x290
[ 171.193306][ T6311] sysfs_create_dir_ns+0x259/0x280
[ 171.193331][ T6311] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 171.193355][ T6311] ? do_raw_spin_unlock+0x122/0x240
[ 171.193387][ T6311] kobject_add_internal+0x6ab/0xcc0
[ 171.193420][ T6311] kobject_init_and_add+0x125/0x190
[ 171.193449][ T6311] ? __pfx_kobject_init_and_add+0x10/0x10
[ 171.193473][ T6311] ? __raw_spin_lock_init+0x45/0x100
[ 171.193501][ T6311] ? __init_swait_queue_head+0xa9/0x150
[ 171.193533][ T6311] gfs2_sys_fs_add+0x234/0x450
[ 171.193561][ T6311] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 171.193596][ T6311] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 171.193641][ T6311] gfs2_fill_super+0x1388/0x21b0
[ 171.193677][ T6311] ? __pfx_gfs2_fill_super+0x10/0x10
[ 171.193701][ T6311] ? sb_set_blocksize+0x155/0x240
[ 171.193726][ T6311] ? setup_bdev_super+0x4c1/0x5b0
[ 171.193750][ T6311] get_tree_bdev_flags+0x40e/0x4d0
[ 171.193771][ T6311] ? __pfx_gfs2_fill_super+0x10/0x10
[ 171.193790][ T6311] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 171.193807][ T6311] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 171.193847][ T6311] gfs2_get_tree+0x51/0x1e0
[ 171.193871][ T6311] vfs_get_tree+0x92/0x2a0
[ 171.193895][ T6311] do_new_mount+0x302/0xa10
[ 171.193916][ T6311] ? apparmor_capable+0x137/0x1a0
[ 171.193957][ T6311] ? __pfx_do_new_mount+0x10/0x10
[ 171.193980][ T6311] ? ns_capable+0x8a/0xf0
[ 171.194004][ T6311] ? kmem_cache_free+0x197/0x620
[ 171.194037][ T6311] __se_sys_mount+0x313/0x410
[ 171.194069][ T6311] ? __pfx___se_sys_mount+0x10/0x10
[ 171.194099][ T6311] ? do_syscall_64+0xbe/0xf80
[ 171.194116][ T6311] ? __x64_sys_mount+0x20/0xc0
[ 171.194142][ T6311] do_syscall_64+0xfa/0xf80
[ 171.194161][ T6311] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 171.194180][ T6311] ? clear_bhb_loop+0x60/0xb0
[ 171.194205][ T6311] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 171.194223][ T6311] RIP: 0033:0x7fdf5f790eea
[ 171.194242][ T6311] 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
[ 171.194259][ T6311] RSP: 002b:00007fdf605d7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 171.194281][ T6311] RAX: ffffffffffffffda RBX: 00007fdf605d7ef0 RCX: 00007fdf5f790eea
[ 171.194295][ T6311] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fdf605d7eb0
[ 171.194308][ T6311] RBP: 00002000000124c0 R08: 00007fdf605d7ef0 R09: 0000000000000000
[ 171.194321][ T6311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 171.194334][ T6311] R13: 00007fdf605d7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 171.194368][ T6311]
[ 171.194425][ T6311] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 171.295506][ T6312] loop1: detected capacity change from 0 to 32768
[ 171.297347][ T6311] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 171.374218][ T6312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 171.551366][ T6312] CPU: 0 UID: 0 PID: 6312 Comm: syz.1.61 Not tainted syzkaller #0 PREEMPT(full)
[ 171.551395][ T6312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 171.551406][ T6312] Call Trace:
[ 171.551415][ T6312]
[ 171.551423][ T6312] dump_stack_lvl+0x189/0x250
[ 171.551456][ T6312] ? __pfx_dump_stack_lvl+0x10/0x10
[ 171.551481][ T6312] ? __pfx__printk+0x10/0x10
[ 171.551516][ T6312] ? kernfs_path_from_node+0x250/0x290
[ 171.551537][ T6312] ? kernfs_path_from_node+0x2f/0x290
[ 171.551562][ T6312] sysfs_create_dir_ns+0x259/0x280
[ 171.551586][ T6312] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 171.551607][ T6312] ? do_raw_spin_unlock+0x122/0x240
[ 171.551640][ T6312] kobject_add_internal+0x6ab/0xcc0
[ 171.551672][ T6312] kobject_init_and_add+0x125/0x190
[ 171.551700][ T6312] ? __pfx_kobject_init_and_add+0x10/0x10
[ 171.551723][ T6312] ? __raw_spin_lock_init+0x45/0x100
[ 171.551753][ T6312] ? __init_swait_queue_head+0xa9/0x150
[ 171.551783][ T6312] gfs2_sys_fs_add+0x234/0x450
[ 171.551813][ T6312] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 171.551857][ T6312] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 171.551902][ T6312] gfs2_fill_super+0x1388/0x21b0
[ 171.551940][ T6312] ? __pfx_gfs2_fill_super+0x10/0x10
[ 171.551963][ T6312] ? sb_set_blocksize+0x155/0x240
[ 171.551988][ T6312] ? setup_bdev_super+0x4c1/0x5b0
[ 171.552012][ T6312] get_tree_bdev_flags+0x40e/0x4d0
[ 171.552032][ T6312] ? __pfx_gfs2_fill_super+0x10/0x10
[ 171.552051][ T6312] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 171.552069][ T6312] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 171.552109][ T6312] gfs2_get_tree+0x51/0x1e0
[ 171.552133][ T6312] vfs_get_tree+0x92/0x2a0
[ 171.552157][ T6312] do_new_mount+0x302/0xa10
[ 171.552179][ T6312] ? apparmor_capable+0x137/0x1a0
[ 171.552211][ T6312] ? __pfx_do_new_mount+0x10/0x10
[ 171.552235][ T6312] ? ns_capable+0x8a/0xf0
[ 171.552259][ T6312] ? kmem_cache_free+0x197/0x620
[ 171.552293][ T6312] __se_sys_mount+0x313/0x410
[ 171.552324][ T6312] ? __pfx___se_sys_mount+0x10/0x10
[ 171.552353][ T6312] ? do_syscall_64+0xbe/0xf80
[ 171.552371][ T6312] ? __x64_sys_mount+0x20/0xc0
[ 171.552398][ T6312] do_syscall_64+0xfa/0xf80
[ 171.552418][ T6312] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 171.552437][ T6312] ? clear_bhb_loop+0x60/0xb0
[ 171.552461][ T6312] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 171.552480][ T6312] RIP: 0033:0x7fce1b590eea
[ 171.552499][ T6312] 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
[ 171.552515][ T6312] RSP: 002b:00007fce1abfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 171.552536][ T6312] RAX: ffffffffffffffda RBX: 00007fce1abfdef0 RCX: 00007fce1b590eea
[ 171.552550][ T6312] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce1abfdeb0
[ 171.552563][ T6312] RBP: 00002000000124c0 R08: 00007fce1abfdef0 R09: 0000000000000000
[ 171.552575][ T6312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 171.552587][ T6312] R13: 00007fce1abfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 171.552620][ T6312]
[ 171.552648][ T6312] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 171.695784][ T6301] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 171.695943][ T6312] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 172.642323][ T6321] loop0: detected capacity change from 0 to 32768
[ 172.695728][ T6321] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 172.703224][ T6321] CPU: 0 UID: 0 PID: 6321 Comm: syz.0.65 Not tainted syzkaller #0 PREEMPT(full)
[ 172.703249][ T6321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 172.703261][ T6321] Call Trace:
[ 172.703270][ T6321]
[ 172.703278][ T6321] dump_stack_lvl+0x189/0x250
[ 172.703311][ T6321] ? __pfx_dump_stack_lvl+0x10/0x10
[ 172.703336][ T6321] ? __pfx__printk+0x10/0x10
[ 172.703370][ T6321] ? kernfs_path_from_node+0x250/0x290
[ 172.703391][ T6321] ? kernfs_path_from_node+0x2f/0x290
[ 172.703417][ T6321] sysfs_create_dir_ns+0x259/0x280
[ 172.703442][ T6321] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 172.703465][ T6321] ? do_raw_spin_unlock+0x122/0x240
[ 172.703498][ T6321] kobject_add_internal+0x6ab/0xcc0
[ 172.703542][ T6321] kobject_init_and_add+0x125/0x190
[ 172.703571][ T6321] ? __pfx_kobject_init_and_add+0x10/0x10
[ 172.703595][ T6321] ? __raw_spin_lock_init+0x45/0x100
[ 172.703623][ T6321] ? __init_swait_queue_head+0xa9/0x150
[ 172.703655][ T6321] gfs2_sys_fs_add+0x234/0x450
[ 172.703691][ T6321] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 172.703727][ T6321] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 172.703771][ T6321] gfs2_fill_super+0x1388/0x21b0
[ 172.703810][ T6321] ? __pfx_gfs2_fill_super+0x10/0x10
[ 172.703835][ T6321] ? sb_set_blocksize+0x155/0x240
[ 172.703858][ T6321] ? setup_bdev_super+0x4c1/0x5b0
[ 172.703883][ T6321] get_tree_bdev_flags+0x40e/0x4d0
[ 172.703904][ T6321] ? __pfx_gfs2_fill_super+0x10/0x10
[ 172.703922][ T6321] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 172.703939][ T6321] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 172.703980][ T6321] gfs2_get_tree+0x51/0x1e0
[ 172.704003][ T6321] vfs_get_tree+0x92/0x2a0
[ 172.704026][ T6321] do_new_mount+0x302/0xa10
[ 172.704049][ T6321] ? apparmor_capable+0x137/0x1a0
[ 172.704080][ T6321] ? __pfx_do_new_mount+0x10/0x10
[ 172.704103][ T6321] ? ns_capable+0x8a/0xf0
[ 172.704127][ T6321] ? kmem_cache_free+0x197/0x620
[ 172.704160][ T6321] __se_sys_mount+0x313/0x410
[ 172.704192][ T6321] ? __pfx___se_sys_mount+0x10/0x10
[ 172.704221][ T6321] ? do_syscall_64+0xbe/0xf80
[ 172.704237][ T6321] ? __x64_sys_mount+0x20/0xc0
[ 172.704264][ T6321] do_syscall_64+0xfa/0xf80
[ 172.704283][ T6321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 172.704303][ T6321] ? clear_bhb_loop+0x60/0xb0
[ 172.704327][ T6321] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 172.704346][ T6321] RIP: 0033:0x7faf8e590eea
[ 172.704365][ T6321] 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
[ 172.704381][ T6321] RSP: 002b:00007faf8f359e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 172.704403][ T6321] RAX: ffffffffffffffda RBX: 00007faf8f359ef0 RCX: 00007faf8e590eea
[ 172.704417][ T6321] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007faf8f359eb0
[ 172.704430][ T6321] RBP: 00002000000124c0 R08: 00007faf8f359ef0 R09: 0000000000000000
[ 172.704443][ T6321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 172.704456][ T6321] R13: 00007faf8f359eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 172.704491][ T6321]
[ 172.704520][ T6321] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 172.755574][ T6323] loop3: detected capacity change from 0 to 32768
[ 172.755789][ T6321] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 172.938140][ T6323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 173.060295][ T6323] CPU: 1 UID: 0 PID: 6323 Comm: syz.3.66 Not tainted syzkaller #0 PREEMPT(full)
[ 173.060322][ T6323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 173.060335][ T6323] Call Trace:
[ 173.060343][ T6323]
[ 173.060351][ T6323] dump_stack_lvl+0x189/0x250
[ 173.060385][ T6323] ? __pfx_dump_stack_lvl+0x10/0x10
[ 173.060410][ T6323] ? __pfx__printk+0x10/0x10
[ 173.060443][ T6323] ? kernfs_path_from_node+0x250/0x290
[ 173.060463][ T6323] ? kernfs_path_from_node+0x2f/0x290
[ 173.060489][ T6323] sysfs_create_dir_ns+0x259/0x280
[ 173.060514][ T6323] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 173.060536][ T6323] ? do_raw_spin_unlock+0x122/0x240
[ 173.060568][ T6323] kobject_add_internal+0x6ab/0xcc0
[ 173.060600][ T6323] kobject_init_and_add+0x125/0x190
[ 173.060628][ T6323] ? __pfx_kobject_init_and_add+0x10/0x10
[ 173.060650][ T6323] ? __raw_spin_lock_init+0x45/0x100
[ 173.060688][ T6323] ? __init_swait_queue_head+0xa9/0x150
[ 173.060720][ T6323] gfs2_sys_fs_add+0x234/0x450
[ 173.060748][ T6323] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 173.060783][ T6323] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 173.060827][ T6323] gfs2_fill_super+0x1388/0x21b0
[ 173.060864][ T6323] ? __pfx_gfs2_fill_super+0x10/0x10
[ 173.060889][ T6323] ? sb_set_blocksize+0x155/0x240
[ 173.060912][ T6323] ? setup_bdev_super+0x4c1/0x5b0
[ 173.060937][ T6323] get_tree_bdev_flags+0x40e/0x4d0
[ 173.060957][ T6323] ? __pfx_gfs2_fill_super+0x10/0x10
[ 173.060975][ T6323] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 173.060993][ T6323] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 173.061033][ T6323] gfs2_get_tree+0x51/0x1e0
[ 173.061056][ T6323] vfs_get_tree+0x92/0x2a0
[ 173.061088][ T6323] do_new_mount+0x302/0xa10
[ 173.061108][ T6323] ? apparmor_capable+0x137/0x1a0
[ 173.061138][ T6323] ? __pfx_do_new_mount+0x10/0x10
[ 173.061162][ T6323] ? ns_capable+0x8a/0xf0
[ 173.061187][ T6323] ? kmem_cache_free+0x197/0x620
[ 173.061220][ T6323] __se_sys_mount+0x313/0x410
[ 173.061250][ T6323] ? __pfx___se_sys_mount+0x10/0x10
[ 173.061280][ T6323] ? do_syscall_64+0xbe/0xf80
[ 173.061297][ T6323] ? __x64_sys_mount+0x20/0xc0
[ 173.061322][ T6323] do_syscall_64+0xfa/0xf80
[ 173.061341][ T6323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 173.061360][ T6323] ? clear_bhb_loop+0x60/0xb0
[ 173.061384][ T6323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 173.061402][ T6323] RIP: 0033:0x7f4dfd390eea
[ 173.061422][ T6323] 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
[ 173.061438][ T6323] RSP: 002b:00007f4dfc9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 173.061461][ T6323] RAX: ffffffffffffffda RBX: 00007f4dfc9fdef0 RCX: 00007f4dfd390eea
[ 173.061475][ T6323] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4dfc9fdeb0
[ 173.061489][ T6323] RBP: 00002000000124c0 R08: 00007f4dfc9fdef0 R09: 0000000000000000
[ 173.061501][ T6323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 173.061514][ T6323] R13: 00007f4dfc9fdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 173.061549][ T6323]
[ 173.061577][ T6323] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 173.404629][ T6323] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 173.751103][ T5971] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 173.892258][ T5971] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 174.007270][ T6330] loop2: detected capacity change from 0 to 32768
[ 174.025611][ T5971] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:5971 [syz-executor] gfs2_quota_sync+0x359/0x460
[ 174.063178][ T6330] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 174.070686][ T6330] CPU: 0 UID: 0 PID: 6330 Comm: syz.2.67 Not tainted syzkaller #0 PREEMPT(full)
[ 174.070713][ T6330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 174.070724][ T6330] Call Trace:
[ 174.070732][ T6330]
[ 174.070741][ T6330] dump_stack_lvl+0x189/0x250
[ 174.070773][ T6330] ? __pfx_dump_stack_lvl+0x10/0x10
[ 174.070797][ T6330] ? __pfx__printk+0x10/0x10
[ 174.070833][ T6330] ? kernfs_path_from_node+0x250/0x290
[ 174.070854][ T6330] ? kernfs_path_from_node+0x2f/0x290
[ 174.070879][ T6330] sysfs_create_dir_ns+0x259/0x280
[ 174.070911][ T6330] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 174.070935][ T6330] ? do_raw_spin_unlock+0x122/0x240
[ 174.070968][ T6330] kobject_add_internal+0x6ab/0xcc0
[ 174.071001][ T6330] kobject_init_and_add+0x125/0x190
[ 174.071030][ T6330] ? __pfx_kobject_init_and_add+0x10/0x10
[ 174.071053][ T6330] ? __raw_spin_lock_init+0x45/0x100
[ 174.071082][ T6330] ? __init_swait_queue_head+0xa9/0x150
[ 174.071112][ T6330] gfs2_sys_fs_add+0x234/0x450
[ 174.071141][ T6330] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 174.071176][ T6330] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 174.071219][ T6330] gfs2_fill_super+0x1388/0x21b0
[ 174.071256][ T6330] ? __pfx_gfs2_fill_super+0x10/0x10
[ 174.071281][ T6330] ? sb_set_blocksize+0x155/0x240
[ 174.071306][ T6330] ? setup_bdev_super+0x4c1/0x5b0
[ 174.071330][ T6330] get_tree_bdev_flags+0x40e/0x4d0
[ 174.071350][ T6330] ? __pfx_gfs2_fill_super+0x10/0x10
[ 174.071369][ T6330] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 174.071387][ T6330] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 174.071427][ T6330] gfs2_get_tree+0x51/0x1e0
[ 174.071451][ T6330] vfs_get_tree+0x92/0x2a0
[ 174.071474][ T6330] do_new_mount+0x302/0xa10
[ 174.071496][ T6330] ? apparmor_capable+0x137/0x1a0
[ 174.071528][ T6330] ? __pfx_do_new_mount+0x10/0x10
[ 174.071552][ T6330] ? ns_capable+0x8a/0xf0
[ 174.071576][ T6330] ? kmem_cache_free+0x197/0x620
[ 174.071609][ T6330] __se_sys_mount+0x313/0x410
[ 174.071641][ T6330] ? __pfx___se_sys_mount+0x10/0x10
[ 174.071670][ T6330] ? do_syscall_64+0xbe/0xf80
[ 174.071686][ T6330] ? __x64_sys_mount+0x20/0xc0
[ 174.071713][ T6330] do_syscall_64+0xfa/0xf80
[ 174.071732][ T6330] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.071750][ T6330] ? clear_bhb_loop+0x60/0xb0
[ 174.071774][ T6330] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.071792][ T6330] RIP: 0033:0x7fdf5f790eea
[ 174.071809][ T6330] 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
[ 174.071825][ T6330] RSP: 002b:00007fdf605d7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 174.071846][ T6330] RAX: ffffffffffffffda RBX: 00007fdf605d7ef0 RCX: 00007fdf5f790eea
[ 174.071859][ T6330] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fdf605d7eb0
[ 174.071871][ T6330] RBP: 00002000000124c0 R08: 00007fdf605d7ef0 R09: 0000000000000000
[ 174.071883][ T6330] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 174.071895][ T6330] R13: 00007fdf605d7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 174.071932][ T6330]
[ 174.071959][ T6330] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 174.155193][ T5971] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 174.156994][ T6330] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 174.593801][ T6335] loop1: detected capacity change from 0 to 32768
[ 174.618107][ T5971] CPU: 0 UID: 0 PID: 5971 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 174.618136][ T5971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 174.618147][ T5971] Call Trace:
[ 174.618156][ T5971]
[ 174.618165][ T5971] dump_stack_lvl+0x189/0x250
[ 174.618200][ T5971] ? __pfx_dump_stack_lvl+0x10/0x10
[ 174.618225][ T5971] ? queue_delayed_work_on+0x11a/0x280
[ 174.618249][ T5971] ? lockdep_hardirqs_on+0x98/0x140
[ 174.618269][ T5971] ? preempt_schedule+0xae/0xc0
[ 174.618307][ T5971] gfs2_withdraw+0xc3/0x1b0
[ 174.618329][ T5971] inode_go_instantiate+0xdd0/0x1210
[ 174.618371][ T5971] ? __pfx_inode_go_instantiate+0x10/0x10
[ 174.618404][ T5971] ? gfs2_glock_nq+0xedd/0x15f0
[ 174.618431][ T5971] gfs2_instantiate+0x168/0x220
[ 174.618455][ T5971] gfs2_glock_wait+0x1d4/0x2a0
[ 174.618479][ T5971] do_sync+0x46f/0xc60
[ 174.618502][ T5971] ? _raw_spin_unlock+0x28/0x50
[ 174.618528][ T5971] ? gfs2_quota_sync+0x359/0x460
[ 174.618563][ T5971] ? __pfx_do_sync+0x10/0x10
[ 174.618600][ T5971] ? gfs2_quota_sync+0x359/0x460
[ 174.618629][ T5971] ? do_raw_spin_unlock+0x122/0x240
[ 174.618662][ T5971] gfs2_quota_sync+0x359/0x460
[ 174.618700][ T5971] gfs2_sync_fs+0x4c/0xb0
[ 174.618725][ T5971] sync_filesystem+0xee/0x230
[ 174.618757][ T5971] generic_shutdown_super+0x6f/0x2c0
[ 174.618791][ T5971] kill_block_super+0x44/0x90
[ 174.618812][ T5971] deactivate_locked_super+0xbc/0x130
[ 174.618857][ T5971] cleanup_mnt+0x425/0x4c0
[ 174.618884][ T5971] ? lockdep_hardirqs_on+0x98/0x140
[ 174.618904][ T5971] task_work_run+0x1d4/0x260
[ 174.618935][ T5971] ? __pfx_task_work_run+0x10/0x10
[ 174.618967][ T5971] ? exit_to_user_mode_loop+0x55/0x4f0
2025/12/05 22:46:45 executed programs: 63
[ 174.618991][ T5971] exit_to_user_mode_loop+0xff/0x4f0
[ 174.619011][ T5971] ? rcu_is_watching+0x15/0xb0
[ 174.619040][ T5971] do_syscall_64+0x2e3/0xf80
[ 174.619060][ T5971] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.619079][ T5971] ? clear_bhb_loop+0x60/0xb0
[ 174.619103][ T5971] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.619122][ T5971] RIP: 0033:0x7f02c3d90a77
[ 174.619141][ T5971] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[ 174.619157][ T5971] RSP: 002b:00007fffd0495bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 174.619179][ T5971] RAX: 0000000000000000 RBX: 00007f02c3e13d7d RCX: 00007f02c3d90a77
[ 174.619193][ T5971] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffd0495c90
[ 174.619204][ T5971] RBP: 00007fffd0495c90 R08: 0000000000000000 R09: 0000000000000000
[ 174.619217][ T5971] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffd0496d20
[ 174.619230][ T5971] R13: 00007f02c3e13d7d R14: 0000000000029fa4 R15: 00007fffd0496d60
[ 174.619265][ T5971]
[ 174.622277][ T5971] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 175.286502][ T6338] loop0: detected capacity change from 0 to 32768
[ 175.511578][ T6341] loop3: detected capacity change from 0 to 32768
[ 175.530789][ T6335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 175.538289][ T6335] CPU: 0 UID: 0 PID: 6335 Comm: syz.1.69 Not tainted syzkaller #0 PREEMPT(full)
[ 175.538315][ T6335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 175.538327][ T6335] Call Trace:
[ 175.538335][ T6335]
[ 175.538344][ T6335] dump_stack_lvl+0x189/0x250
[ 175.538377][ T6335] ? __pfx_dump_stack_lvl+0x10/0x10
[ 175.538401][ T6335] ? __pfx__printk+0x10/0x10
[ 175.538436][ T6335] ? kernfs_path_from_node+0x250/0x290
[ 175.538457][ T6335] ? kernfs_path_from_node+0x2f/0x290
[ 175.538480][ T6335] sysfs_create_dir_ns+0x259/0x280
[ 175.538503][ T6335] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 175.538527][ T6335] ? do_raw_spin_unlock+0x122/0x240
[ 175.538557][ T6335] kobject_add_internal+0x6ab/0xcc0
[ 175.538589][ T6335] kobject_init_and_add+0x125/0x190
[ 175.538616][ T6335] ? __pfx_kobject_init_and_add+0x10/0x10
[ 175.538651][ T6335] ? __raw_spin_lock_init+0x45/0x100
[ 175.538679][ T6335] ? __init_swait_queue_head+0xa9/0x150
[ 175.538709][ T6335] gfs2_sys_fs_add+0x234/0x450
[ 175.538736][ T6335] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 175.538770][ T6335] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 175.538811][ T6335] gfs2_fill_super+0x1388/0x21b0
[ 175.538849][ T6335] ? __pfx_gfs2_fill_super+0x10/0x10
[ 175.538873][ T6335] ? sb_set_blocksize+0x155/0x240
[ 175.538896][ T6335] ? setup_bdev_super+0x4c1/0x5b0
[ 175.538919][ T6335] get_tree_bdev_flags+0x40e/0x4d0
[ 175.538938][ T6335] ? __pfx_gfs2_fill_super+0x10/0x10
[ 175.538956][ T6335] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 175.538974][ T6335] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 175.539010][ T6335] gfs2_get_tree+0x51/0x1e0
[ 175.539029][ T6335] vfs_get_tree+0x92/0x2a0
[ 175.539051][ T6335] do_new_mount+0x302/0xa10
[ 175.539072][ T6335] ? apparmor_capable+0x137/0x1a0
[ 175.539102][ T6335] ? __pfx_do_new_mount+0x10/0x10
[ 175.539125][ T6335] ? ns_capable+0x8a/0xf0
[ 175.539150][ T6335] ? kmem_cache_free+0x197/0x620
[ 175.539180][ T6335] __se_sys_mount+0x313/0x410
[ 175.539211][ T6335] ? __pfx___se_sys_mount+0x10/0x10
[ 175.539238][ T6335] ? do_syscall_64+0xbe/0xf80
[ 175.539254][ T6335] ? __x64_sys_mount+0x20/0xc0
[ 175.539280][ T6335] do_syscall_64+0xfa/0xf80
[ 175.539298][ T6335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 175.539317][ T6335] ? clear_bhb_loop+0x60/0xb0
[ 175.539339][ T6335] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 175.539357][ T6335] RIP: 0033:0x7fce1b590eea
[ 175.539374][ T6335] 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
[ 175.539389][ T6335] RSP: 002b:00007fce1abfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 175.539411][ T6335] RAX: ffffffffffffffda RBX: 00007fce1abfdef0 RCX: 00007fce1b590eea
[ 175.539425][ T6335] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce1abfdeb0
[ 175.539436][ T6335] RBP: 00002000000124c0 R08: 00007fce1abfdef0 R09: 0000000000000000
[ 175.539448][ T6335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 175.539459][ T6335] R13: 00007fce1abfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 175.539492][ T6335]
[ 175.539520][ T6335] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 175.581824][ T6338] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 175.586856][ T6335] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 175.628268][ T6341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 175.630651][ T6338] CPU: 1 UID: 0 PID: 6338 Comm: syz.0.70 Not tainted syzkaller #0 PREEMPT(full)
[ 175.630673][ T6338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 175.630684][ T6338] Call Trace:
[ 175.630691][ T6338]
[ 175.630698][ T6338] dump_stack_lvl+0x189/0x250
[ 175.630726][ T6338] ? __pfx_dump_stack_lvl+0x10/0x10
[ 175.630748][ T6338] ? __pfx__printk+0x10/0x10
[ 175.630778][ T6338] ? kernfs_path_from_node+0x250/0x290
[ 175.630796][ T6338] ? kernfs_path_from_node+0x2f/0x290
[ 175.630818][ T6338] sysfs_create_dir_ns+0x259/0x280
[ 175.630839][ T6338] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 175.630858][ T6338] ? do_raw_spin_unlock+0x122/0x240
[ 175.630887][ T6338] kobject_add_internal+0x6ab/0xcc0
[ 175.630923][ T6338] kobject_init_and_add+0x125/0x190
[ 175.630948][ T6338] ? __pfx_kobject_init_and_add+0x10/0x10
[ 175.630967][ T6338] ? __raw_spin_lock_init+0x45/0x100
[ 175.630992][ T6338] ? __init_swait_queue_head+0xa9/0x150
[ 175.631018][ T6338] gfs2_sys_fs_add+0x234/0x450
[ 175.631043][ T6338] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 175.631073][ T6338] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 175.631111][ T6338] gfs2_fill_super+0x1388/0x21b0
[ 175.631144][ T6338] ? __pfx_gfs2_fill_super+0x10/0x10
[ 175.631165][ T6338] ? sb_set_blocksize+0x155/0x240
[ 175.631186][ T6338] ? setup_bdev_super+0x4c1/0x5b0
[ 175.631207][ T6338] get_tree_bdev_flags+0x40e/0x4d0
[ 175.631225][ T6338] ? __pfx_gfs2_fill_super+0x10/0x10
[ 175.631242][ T6338] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 175.631257][ T6338] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 175.631292][ T6338] gfs2_get_tree+0x51/0x1e0
[ 175.631312][ T6338] vfs_get_tree+0x92/0x2a0
[ 175.631332][ T6338] do_new_mount+0x302/0xa10
[ 175.631350][ T6338] ? apparmor_capable+0x137/0x1a0
[ 175.631377][ T6338] ? __pfx_do_new_mount+0x10/0x10
[ 175.631398][ T6338] ? ns_capable+0x8a/0xf0
[ 175.631419][ T6338] ? kmem_cache_free+0x197/0x620
[ 175.631448][ T6338] __se_sys_mount+0x313/0x410
[ 175.631476][ T6338] ? __pfx___se_sys_mount+0x10/0x10
[ 175.631501][ T6338] ? do_syscall_64+0xbe/0xf80
[ 175.631515][ T6338] ? __x64_sys_mount+0x20/0xc0
[ 175.631538][ T6338] do_syscall_64+0xfa/0xf80
[ 175.631556][ T6338] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 175.631572][ T6338] ? clear_bhb_loop+0x60/0xb0
[ 175.631593][ T6338] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 175.631608][ T6338] RIP: 0033:0x7faf8e590eea
[ 175.631626][ T6338] 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
[ 175.631640][ T6338] RSP: 002b:00007faf8f359e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 175.631660][ T6338] RAX: ffffffffffffffda RBX: 00007faf8f359ef0 RCX: 00007faf8e590eea
[ 175.631672][ T6338] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007faf8f359eb0
[ 175.631683][ T6338] RBP: 00002000000124c0 R08: 00007faf8f359ef0 R09: 0000000000000000
[ 175.631694][ T6338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 175.631705][ T6338] R13: 00007faf8f359eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 175.631735][ T6338]
[ 175.631759][ T6338] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 175.636301][ T6341] CPU: 0 UID: 0 PID: 6341 Comm: syz.3.71 Not tainted syzkaller #0 PREEMPT(full)
[ 175.636322][ T6341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 175.636331][ T6341] Call Trace:
[ 175.636337][ T6341]
[ 175.636349][ T6341] dump_stack_lvl+0x189/0x250
[ 175.636374][ T6341] ? __pfx_dump_stack_lvl+0x10/0x10
[ 175.636394][ T6341] ? __pfx__printk+0x10/0x10
[ 175.636423][ T6341] ? kernfs_path_from_node+0x250/0x290
[ 175.636439][ T6341] ? kernfs_path_from_node+0x2f/0x290
[ 175.636461][ T6341] sysfs_create_dir_ns+0x259/0x280
[ 175.636482][ T6341] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 175.636502][ T6341] ? do_raw_spin_unlock+0x122/0x240
[ 175.636530][ T6341] kobject_add_internal+0x6ab/0xcc0
[ 175.636557][ T6341] kobject_init_and_add+0x125/0x190
[ 175.636582][ T6341] ? __pfx_kobject_init_and_add+0x10/0x10
[ 175.636602][ T6341] ? __raw_spin_lock_init+0x45/0x100
[ 175.636626][ T6341] ? __init_swait_queue_head+0xa9/0x150
[ 175.636653][ T6341] gfs2_sys_fs_add+0x234/0x450
[ 175.636684][ T6341] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 175.636714][ T6341] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 175.636750][ T6341] gfs2_fill_super+0x1388/0x21b0
[ 175.636783][ T6341] ? __pfx_gfs2_fill_super+0x10/0x10
[ 175.636805][ T6341] ? sb_set_blocksize+0x155/0x240
[ 175.636825][ T6341] ? setup_bdev_super+0x4c1/0x5b0
[ 175.636846][ T6341] get_tree_bdev_flags+0x40e/0x4d0
[ 175.636863][ T6341] ? __pfx_gfs2_fill_super+0x10/0x10
[ 175.636880][ T6341] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 175.636895][ T6341] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 175.636930][ T6341] gfs2_get_tree+0x51/0x1e0
[ 175.636950][ T6341] vfs_get_tree+0x92/0x2a0
[ 175.636970][ T6341] do_new_mount+0x302/0xa10
[ 175.636988][ T6341] ? apparmor_capable+0x137/0x1a0
[ 175.637013][ T6341] ? __pfx_do_new_mount+0x10/0x10
[ 175.637034][ T6341] ? ns_capable+0x8a/0xf0
[ 175.637054][ T6341] ? kmem_cache_free+0x197/0x620
[ 175.637082][ T6341] __se_sys_mount+0x313/0x410
[ 175.637109][ T6341] ? __pfx___se_sys_mount+0x10/0x10
[ 175.637134][ T6341] ? do_syscall_64+0xbe/0xf80
[ 175.637148][ T6341] ? __x64_sys_mount+0x20/0xc0
[ 175.637171][ T6341] do_syscall_64+0xfa/0xf80
[ 175.637188][ T6341] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 175.637205][ T6341] ? clear_bhb_loop+0x60/0xb0
[ 175.637225][ T6341] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 175.637241][ T6341] RIP: 0033:0x7f4dfd390eea
[ 175.637256][ T6341] 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
[ 175.637269][ T6341] RSP: 002b:00007f4dfc9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 175.637287][ T6341] RAX: ffffffffffffffda RBX: 00007f4dfc9fdef0 RCX: 00007f4dfd390eea
[ 175.637298][ T6341] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4dfc9fdeb0
[ 175.637310][ T6341] RBP: 00002000000124c0 R08: 00007f4dfc9fdef0 R09: 0000000000000000
[ 175.637321][ T6341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 175.637331][ T6341] R13: 00007f4dfc9fdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 175.637361][ T6341]
[ 175.637404][ T6341] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 175.640993][ T6338] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 175.647713][ T6341] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 177.566154][ T6351] loop4: detected capacity change from 0 to 32768
[ 177.628301][ T6351] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 177.636605][ T6351] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 177.658495][ T6351] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 177.668221][ T5953] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 177.675028][ T5953] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 178.032707][ T6355] loop3: detected capacity change from 0 to 32768
[ 178.346530][ T6359] loop1: detected capacity change from 0 to 32768
[ 178.463045][ T6355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 178.470681][ T6355] CPU: 1 UID: 0 PID: 6355 Comm: syz.3.73 Not tainted syzkaller #0 PREEMPT(full)
[ 178.470707][ T6355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 178.470718][ T6355] Call Trace:
[ 178.470727][ T6355]
[ 178.470735][ T6355] dump_stack_lvl+0x189/0x250
[ 178.470769][ T6355] ? __pfx_dump_stack_lvl+0x10/0x10
[ 178.470791][ T6355] ? __pfx__printk+0x10/0x10
[ 178.470827][ T6355] ? kernfs_path_from_node+0x250/0x290
[ 178.470848][ T6355] ? kernfs_path_from_node+0x2f/0x290
[ 178.470872][ T6355] sysfs_create_dir_ns+0x259/0x280
[ 178.470895][ T6355] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 178.470919][ T6355] ? do_raw_spin_unlock+0x122/0x240
[ 178.470952][ T6355] kobject_add_internal+0x6ab/0xcc0
[ 178.470984][ T6355] kobject_init_and_add+0x125/0x190
[ 178.471013][ T6355] ? __pfx_kobject_init_and_add+0x10/0x10
[ 178.471036][ T6355] ? __raw_spin_lock_init+0x45/0x100
[ 178.471065][ T6355] ? __init_swait_queue_head+0xa9/0x150
[ 178.471096][ T6355] gfs2_sys_fs_add+0x234/0x450
[ 178.471124][ T6355] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 178.471159][ T6355] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 178.471201][ T6355] gfs2_fill_super+0x1388/0x21b0
[ 178.471239][ T6355] ? __pfx_gfs2_fill_super+0x10/0x10
[ 178.471264][ T6355] ? sb_set_blocksize+0x155/0x240
[ 178.471287][ T6355] ? setup_bdev_super+0x4c1/0x5b0
[ 178.471311][ T6355] get_tree_bdev_flags+0x40e/0x4d0
[ 178.471331][ T6355] ? __pfx_gfs2_fill_super+0x10/0x10
[ 178.471349][ T6355] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 178.471367][ T6355] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 178.471407][ T6355] gfs2_get_tree+0x51/0x1e0
[ 178.471431][ T6355] vfs_get_tree+0x92/0x2a0
[ 178.471454][ T6355] do_new_mount+0x302/0xa10
[ 178.471475][ T6355] ? apparmor_capable+0x137/0x1a0
[ 178.471506][ T6355] ? __pfx_do_new_mount+0x10/0x10
[ 178.471535][ T6355] ? ns_capable+0x8a/0xf0
[ 178.471560][ T6355] ? kmem_cache_free+0x197/0x620
[ 178.471592][ T6355] __se_sys_mount+0x313/0x410
[ 178.471631][ T6355] ? __pfx___se_sys_mount+0x10/0x10
[ 178.471660][ T6355] ? do_syscall_64+0xbe/0xf80
[ 178.471676][ T6355] ? __x64_sys_mount+0x20/0xc0
[ 178.471702][ T6355] do_syscall_64+0xfa/0xf80
[ 178.471721][ T6355] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 178.471740][ T6355] ? clear_bhb_loop+0x60/0xb0
[ 178.471764][ T6355] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 178.471782][ T6355] RIP: 0033:0x7f4dfd390eea
[ 178.471812][ T6355] 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
[ 178.471828][ T6355] RSP: 002b:00007f4dfc9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 178.471850][ T6355] RAX: ffffffffffffffda RBX: 00007f4dfc9fdef0 RCX: 00007f4dfd390eea
[ 178.471863][ T6355] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4dfc9fdeb0
[ 178.471876][ T6355] RBP: 00002000000124c0 R08: 00007f4dfc9fdef0 R09: 0000000000000000
[ 178.471889][ T6355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 178.471902][ T6355] R13: 00007f4dfc9fdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 178.471936][ T6355]
[ 178.471988][ T6355] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 178.513617][ T6358] loop0: detected capacity change from 0 to 32768
[ 178.801424][ T6355] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 178.925675][ T6359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 178.933228][ T6359] CPU: 1 UID: 0 PID: 6359 Comm: syz.1.75 Not tainted syzkaller #0 PREEMPT(full)
[ 178.933253][ T6359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 178.933266][ T6359] Call Trace:
[ 178.933274][ T6359]
[ 178.933282][ T6359] dump_stack_lvl+0x189/0x250
[ 178.933315][ T6359] ? __pfx_dump_stack_lvl+0x10/0x10
[ 178.933339][ T6359] ? __pfx__printk+0x10/0x10
[ 178.933374][ T6359] ? kernfs_path_from_node+0x250/0x290
[ 178.933394][ T6359] ? kernfs_path_from_node+0x2f/0x290
[ 178.933419][ T6359] sysfs_create_dir_ns+0x259/0x280
[ 178.933443][ T6359] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 178.933466][ T6359] ? do_raw_spin_unlock+0x122/0x240
[ 178.933499][ T6359] kobject_add_internal+0x6ab/0xcc0
[ 178.933532][ T6359] kobject_init_and_add+0x125/0x190
[ 178.933562][ T6359] ? __pfx_kobject_init_and_add+0x10/0x10
[ 178.933584][ T6359] ? __raw_spin_lock_init+0x45/0x100
[ 178.933612][ T6359] ? __init_swait_queue_head+0xa9/0x150
[ 178.933643][ T6359] gfs2_sys_fs_add+0x234/0x450
[ 178.933671][ T6359] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 178.933706][ T6359] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 178.933750][ T6359] gfs2_fill_super+0x1388/0x21b0
[ 178.933787][ T6359] ? __pfx_gfs2_fill_super+0x10/0x10
[ 178.933812][ T6359] ? sb_set_blocksize+0x155/0x240
[ 178.933844][ T6359] ? setup_bdev_super+0x4c1/0x5b0
[ 178.933868][ T6359] get_tree_bdev_flags+0x40e/0x4d0
[ 178.933888][ T6359] ? __pfx_gfs2_fill_super+0x10/0x10
[ 178.933907][ T6359] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 178.933924][ T6359] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 178.933964][ T6359] gfs2_get_tree+0x51/0x1e0
[ 178.933987][ T6359] vfs_get_tree+0x92/0x2a0
[ 178.934010][ T6359] do_new_mount+0x302/0xa10
[ 178.934031][ T6359] ? apparmor_capable+0x137/0x1a0
[ 178.934062][ T6359] ? __pfx_do_new_mount+0x10/0x10
[ 178.934086][ T6359] ? ns_capable+0x8a/0xf0
[ 178.934110][ T6359] ? kmem_cache_free+0x197/0x620
[ 178.934143][ T6359] __se_sys_mount+0x313/0x410
[ 178.934175][ T6359] ? __pfx___se_sys_mount+0x10/0x10
[ 178.934203][ T6359] ? do_syscall_64+0xbe/0xf80
[ 178.934219][ T6359] ? __x64_sys_mount+0x20/0xc0
[ 178.934246][ T6359] do_syscall_64+0xfa/0xf80
[ 178.934265][ T6359] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 178.934284][ T6359] ? clear_bhb_loop+0x60/0xb0
[ 178.934308][ T6359] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 178.934327][ T6359] RIP: 0033:0x7fce1b590eea
[ 178.934346][ T6359] 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
[ 178.934363][ T6359] RSP: 002b:00007fce1abfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 178.934383][ T6359] RAX: ffffffffffffffda RBX: 00007fce1abfdef0 RCX: 00007fce1b590eea
[ 178.934397][ T6359] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce1abfdeb0
[ 178.934410][ T6359] RBP: 00002000000124c0 R08: 00007fce1abfdef0 R09: 0000000000000000
[ 178.934422][ T6359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 178.934434][ T6359] R13: 00007fce1abfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 178.934469][ T6359]
[ 178.934498][ T6359] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 178.937048][ T6364] loop2: detected capacity change from 0 to 32768
[ 178.943683][ T6359] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 179.011558][ T6358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 179.028222][ T5953] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 1353ms
[ 179.028909][ T6358] CPU: 0 UID: 0 PID: 6358 Comm: syz.0.74 Not tainted syzkaller #0 PREEMPT(full)
[ 179.028932][ T6358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 179.028943][ T6358] Call Trace:
[ 179.028950][ T6358]
[ 179.028958][ T6358] dump_stack_lvl+0x189/0x250
[ 179.028988][ T6358] ? __pfx_dump_stack_lvl+0x10/0x10
[ 179.029009][ T6358] ? __pfx__printk+0x10/0x10
[ 179.029040][ T6358] ? kernfs_path_from_node+0x250/0x290
[ 179.029057][ T6358] ? kernfs_path_from_node+0x2f/0x290
[ 179.029079][ T6358] sysfs_create_dir_ns+0x259/0x280
[ 179.029100][ T6358] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 179.029120][ T6358] ? do_raw_spin_unlock+0x122/0x240
[ 179.029148][ T6358] kobject_add_internal+0x6ab/0xcc0
[ 179.029176][ T6358] kobject_init_and_add+0x125/0x190
[ 179.029201][ T6358] ? __pfx_kobject_init_and_add+0x10/0x10
[ 179.029221][ T6358] ? __raw_spin_lock_init+0x45/0x100
[ 179.029246][ T6358] ? __init_swait_queue_head+0xa9/0x150
[ 179.029272][ T6358] gfs2_sys_fs_add+0x234/0x450
[ 179.029297][ T6358] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 179.029327][ T6358] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 179.029365][ T6358] gfs2_fill_super+0x1388/0x21b0
[ 179.029398][ T6358] ? __pfx_gfs2_fill_super+0x10/0x10
[ 179.029420][ T6358] ? sb_set_blocksize+0x155/0x240
[ 179.029441][ T6358] ? setup_bdev_super+0x4c1/0x5b0
[ 179.029462][ T6358] get_tree_bdev_flags+0x40e/0x4d0
[ 179.029479][ T6358] ? __pfx_gfs2_fill_super+0x10/0x10
[ 179.029496][ T6358] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 179.029512][ T6358] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 179.029547][ T6358] gfs2_get_tree+0x51/0x1e0
[ 179.029568][ T6358] vfs_get_tree+0x92/0x2a0
[ 179.029596][ T6358] do_new_mount+0x302/0xa10
[ 179.029614][ T6358] ? apparmor_capable+0x137/0x1a0
[ 179.029640][ T6358] ? __pfx_do_new_mount+0x10/0x10
[ 179.029660][ T6358] ? ns_capable+0x8a/0xf0
[ 179.029681][ T6358] ? kmem_cache_free+0x197/0x620
[ 179.029709][ T6358] __se_sys_mount+0x313/0x410
[ 179.029737][ T6358] ? __pfx___se_sys_mount+0x10/0x10
[ 179.029761][ T6358] ? do_syscall_64+0xbe/0xf80
[ 179.029777][ T6358] ? __x64_sys_mount+0x20/0xc0
[ 179.029799][ T6358] do_syscall_64+0xfa/0xf80
[ 179.029816][ T6358] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 179.029832][ T6358] ? clear_bhb_loop+0x60/0xb0
[ 179.029853][ T6358] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 179.029869][ T6358] RIP: 0033:0x7faf8e590eea
[ 179.029885][ T6358] 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
[ 179.029900][ T6358] RSP: 002b:00007faf8f359e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 179.029919][ T6358] RAX: ffffffffffffffda RBX: 00007faf8f359ef0 RCX: 00007faf8e590eea
[ 179.029931][ T6358] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007faf8f359eb0
[ 179.029943][ T6358] RBP: 00002000000124c0 R08: 00007faf8f359ef0 R09: 0000000000000000
[ 179.029955][ T6358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 179.029966][ T6358] R13: 00007faf8f359eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 179.029996][ T6358]
[ 179.030021][ T6358] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 179.052308][ T5953] gfs2: fsid=syz:syz.0: jid=0: Done
[ 179.052354][ T6351] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 179.626308][ T6358] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 179.658222][ T6364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 179.665779][ T6364] CPU: 0 UID: 0 PID: 6364 Comm: syz.2.76 Not tainted syzkaller #0 PREEMPT(full)
[ 179.665806][ T6364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 179.665818][ T6364] Call Trace:
[ 179.665826][ T6364]
[ 179.665835][ T6364] dump_stack_lvl+0x189/0x250
[ 179.665868][ T6364] ? __pfx_dump_stack_lvl+0x10/0x10
[ 179.665892][ T6364] ? __pfx__printk+0x10/0x10
[ 179.665927][ T6364] ? kernfs_path_from_node+0x250/0x290
[ 179.665947][ T6364] ? kernfs_path_from_node+0x2f/0x290
[ 179.665972][ T6364] sysfs_create_dir_ns+0x259/0x280
[ 179.665996][ T6364] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 179.666019][ T6364] ? do_raw_spin_unlock+0x122/0x240
[ 179.666051][ T6364] kobject_add_internal+0x6ab/0xcc0
[ 179.666082][ T6364] kobject_init_and_add+0x125/0x190
[ 179.666108][ T6364] ? __pfx_kobject_init_and_add+0x10/0x10
[ 179.666129][ T6364] ? __raw_spin_lock_init+0x45/0x100
[ 179.666156][ T6364] ? __init_swait_queue_head+0xa9/0x150
[ 179.666185][ T6364] gfs2_sys_fs_add+0x234/0x450
[ 179.666213][ T6364] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 179.666245][ T6364] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 179.666287][ T6364] gfs2_fill_super+0x1388/0x21b0
[ 179.666324][ T6364] ? __pfx_gfs2_fill_super+0x10/0x10
[ 179.666347][ T6364] ? sb_set_blocksize+0x155/0x240
[ 179.666371][ T6364] ? setup_bdev_super+0x4c1/0x5b0
[ 179.666395][ T6364] get_tree_bdev_flags+0x40e/0x4d0
[ 179.666413][ T6364] ? __pfx_gfs2_fill_super+0x10/0x10
[ 179.666432][ T6364] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 179.666449][ T6364] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 179.666487][ T6364] gfs2_get_tree+0x51/0x1e0
[ 179.666508][ T6364] vfs_get_tree+0x92/0x2a0
[ 179.666529][ T6364] do_new_mount+0x302/0xa10
[ 179.666560][ T6364] ? apparmor_capable+0x137/0x1a0
[ 179.666591][ T6364] ? __pfx_do_new_mount+0x10/0x10
[ 179.666614][ T6364] ? ns_capable+0x8a/0xf0
[ 179.666638][ T6364] ? kmem_cache_free+0x197/0x620
[ 179.666672][ T6364] __se_sys_mount+0x313/0x410
[ 179.666704][ T6364] ? __pfx___se_sys_mount+0x10/0x10
[ 179.666733][ T6364] ? do_syscall_64+0xbe/0xf80
[ 179.666752][ T6364] ? __x64_sys_mount+0x20/0xc0
[ 179.666779][ T6364] do_syscall_64+0xfa/0xf80
[ 179.666798][ T6364] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 179.666817][ T6364] ? clear_bhb_loop+0x60/0xb0
[ 179.666841][ T6364] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 179.666859][ T6364] RIP: 0033:0x7fdf5f790eea
[ 179.666877][ T6364] 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
[ 179.666893][ T6364] RSP: 002b:00007fdf605d7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 179.666915][ T6364] RAX: ffffffffffffffda RBX: 00007fdf605d7ef0 RCX: 00007fdf5f790eea
[ 179.666929][ T6364] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fdf605d7eb0
[ 179.666942][ T6364] RBP: 00002000000124c0 R08: 00007fdf605d7ef0 R09: 0000000000000000
[ 179.666955][ T6364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 179.666967][ T6364] R13: 00007fdf605d7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 179.667002][ T6364]
[ 179.667031][ T6364] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 179.993155][ T6364] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/05 22:46:51 executed programs: 70
[ 180.448344][ T6351] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 180.589759][ T5971] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 180.726248][ T5971] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 180.791414][ T5971] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:5971 [syz-executor] gfs2_quota_sync+0x359/0x460
[ 180.855215][ T5971] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 180.904903][ T5971] CPU: 1 UID: 0 PID: 5971 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 180.904932][ T5971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 180.904944][ T5971] Call Trace:
[ 180.904952][ T5971]
[ 180.904961][ T5971] dump_stack_lvl+0x189/0x250
[ 180.904995][ T5971] ? __pfx_dump_stack_lvl+0x10/0x10
[ 180.905020][ T5971] ? queue_delayed_work_on+0x11a/0x280
[ 180.905044][ T5971] ? lockdep_hardirqs_on+0x98/0x140
[ 180.905062][ T5971] ? preempt_schedule+0xae/0xc0
[ 180.905099][ T5971] gfs2_withdraw+0xc3/0x1b0
[ 180.905120][ T5971] inode_go_instantiate+0xdd0/0x1210
[ 180.905170][ T5971] ? __pfx_inode_go_instantiate+0x10/0x10
[ 180.905203][ T5971] ? gfs2_glock_nq+0xedd/0x15f0
[ 180.905230][ T5971] gfs2_instantiate+0x168/0x220
[ 180.905254][ T5971] gfs2_glock_wait+0x1d4/0x2a0
[ 180.905276][ T5971] do_sync+0x46f/0xc60
[ 180.905300][ T5971] ? _raw_spin_unlock+0x28/0x50
[ 180.905326][ T5971] ? gfs2_quota_sync+0x359/0x460
[ 180.905364][ T5971] ? __pfx_do_sync+0x10/0x10
[ 180.905398][ T5971] ? gfs2_quota_sync+0x359/0x460
[ 180.905428][ T5971] ? do_raw_spin_unlock+0x122/0x240
[ 180.905461][ T5971] gfs2_quota_sync+0x359/0x460
[ 180.905499][ T5971] gfs2_sync_fs+0x4c/0xb0
[ 180.905524][ T5971] sync_filesystem+0xee/0x230
[ 180.905556][ T5971] generic_shutdown_super+0x6f/0x2c0
[ 180.905589][ T5971] kill_block_super+0x44/0x90
[ 180.905609][ T5971] deactivate_locked_super+0xbc/0x130
[ 180.905648][ T5971] cleanup_mnt+0x425/0x4c0
[ 180.905676][ T5971] ? lockdep_hardirqs_on+0x98/0x140
[ 180.905698][ T5971] task_work_run+0x1d4/0x260
[ 180.905737][ T5971] ? __pfx_task_work_run+0x10/0x10
[ 180.905770][ T5971] ? exit_to_user_mode_loop+0x55/0x4f0
[ 180.905797][ T5971] exit_to_user_mode_loop+0xff/0x4f0
[ 180.905816][ T5971] ? rcu_is_watching+0x15/0xb0
[ 180.905846][ T5971] do_syscall_64+0x2e3/0xf80
[ 180.905867][ T5971] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 180.905886][ T5971] ? clear_bhb_loop+0x60/0xb0
[ 180.905910][ T5971] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 180.905928][ T5971] RIP: 0033:0x7f02c3d90a77
[ 180.905947][ T5971] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[ 180.905963][ T5971] RSP: 002b:00007fffd0495bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 180.905986][ T5971] RAX: 0000000000000000 RBX: 00007f02c3e13d7d RCX: 00007f02c3d90a77
[ 180.905999][ T5971] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffd0495c90
[ 180.906011][ T5971] RBP: 00007fffd0495c90 R08: 0000000000000000 R09: 0000000000000000
[ 180.906022][ T5971] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffd0496d20
[ 180.906035][ T5971] R13: 00007f02c3e13d7d R14: 000000000002b3e7 R15: 00007fffd0496d60
[ 180.906071][ T5971]
[ 181.232203][ T5971] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 181.929574][ T6376] loop3: detected capacity change from 0 to 32768
[ 181.951588][ T6379] loop1: detected capacity change from 0 to 32768
[ 182.229424][ T6376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 182.237117][ T6376] CPU: 1 UID: 0 PID: 6376 Comm: syz.3.79 Not tainted syzkaller #0 PREEMPT(full)
[ 182.237143][ T6376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 182.237154][ T6376] Call Trace:
[ 182.237162][ T6376]
[ 182.237170][ T6376] dump_stack_lvl+0x189/0x250
[ 182.237203][ T6376] ? __pfx_dump_stack_lvl+0x10/0x10
[ 182.237227][ T6376] ? __pfx__printk+0x10/0x10
[ 182.237261][ T6376] ? kernfs_path_from_node+0x250/0x290
[ 182.237282][ T6376] ? kernfs_path_from_node+0x2f/0x290
[ 182.237307][ T6376] sysfs_create_dir_ns+0x259/0x280
[ 182.237331][ T6376] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 182.237354][ T6376] ? do_raw_spin_unlock+0x122/0x240
[ 182.237387][ T6376] kobject_add_internal+0x6ab/0xcc0
[ 182.237418][ T6376] kobject_init_and_add+0x125/0x190
[ 182.237455][ T6376] ? __pfx_kobject_init_and_add+0x10/0x10
[ 182.237479][ T6376] ? __raw_spin_lock_init+0x45/0x100
[ 182.237507][ T6376] ? __init_swait_queue_head+0xa9/0x150
[ 182.237536][ T6376] gfs2_sys_fs_add+0x234/0x450
[ 182.237565][ T6376] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 182.237598][ T6376] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 182.237641][ T6376] gfs2_fill_super+0x1388/0x21b0
[ 182.237677][ T6376] ? __pfx_gfs2_fill_super+0x10/0x10
[ 182.237701][ T6376] ? sb_set_blocksize+0x155/0x240
[ 182.237724][ T6376] ? setup_bdev_super+0x4c1/0x5b0
[ 182.237749][ T6376] get_tree_bdev_flags+0x40e/0x4d0
[ 182.237769][ T6376] ? __pfx_gfs2_fill_super+0x10/0x10
[ 182.237788][ T6376] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 182.237805][ T6376] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 182.237855][ T6376] gfs2_get_tree+0x51/0x1e0
[ 182.237878][ T6376] vfs_get_tree+0x92/0x2a0
[ 182.237900][ T6376] do_new_mount+0x302/0xa10
[ 182.237921][ T6376] ? apparmor_capable+0x137/0x1a0
[ 182.237952][ T6376] ? __pfx_do_new_mount+0x10/0x10
[ 182.237982][ T6376] ? ns_capable+0x8a/0xf0
[ 182.238006][ T6376] ? kmem_cache_free+0x197/0x620
[ 182.238039][ T6376] __se_sys_mount+0x313/0x410
[ 182.238070][ T6376] ? __pfx___se_sys_mount+0x10/0x10
[ 182.238099][ T6376] ? do_syscall_64+0xbe/0xf80
[ 182.238116][ T6376] ? __x64_sys_mount+0x20/0xc0
[ 182.238142][ T6376] do_syscall_64+0xfa/0xf80
[ 182.238161][ T6376] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 182.238180][ T6376] ? clear_bhb_loop+0x60/0xb0
[ 182.238203][ T6376] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 182.238221][ T6376] RIP: 0033:0x7f4dfd390eea
[ 182.238240][ T6376] 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
[ 182.238256][ T6376] RSP: 002b:00007f4dfc9fde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 182.238278][ T6376] RAX: ffffffffffffffda RBX: 00007f4dfc9fdef0 RCX: 00007f4dfd390eea
[ 182.238293][ T6376] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4dfc9fdeb0
[ 182.238306][ T6376] RBP: 00002000000124c0 R08: 00007f4dfc9fdef0 R09: 0000000000000000
[ 182.238319][ T6376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 182.238331][ T6376] R13: 00007f4dfc9fdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 182.238366][ T6376]
[ 182.238394][ T6376] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 182.366328][ T6380] loop2: detected capacity change from 0 to 32768
[ 182.367066][ T6376] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 182.446408][ T6379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 182.590031][ T6379] CPU: 0 UID: 0 PID: 6379 Comm: syz.1.80 Not tainted syzkaller #0 PREEMPT(full)
[ 182.590059][ T6379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 182.590070][ T6379] Call Trace:
[ 182.590078][ T6379]
[ 182.590087][ T6379] dump_stack_lvl+0x189/0x250
[ 182.590118][ T6379] ? __pfx_dump_stack_lvl+0x10/0x10
[ 182.590141][ T6379] ? __pfx__printk+0x10/0x10
[ 182.590173][ T6379] ? kernfs_path_from_node+0x250/0x290
[ 182.590194][ T6379] ? kernfs_path_from_node+0x2f/0x290
[ 182.590217][ T6379] sysfs_create_dir_ns+0x259/0x280
[ 182.590239][ T6379] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 182.590260][ T6379] ? do_raw_spin_unlock+0x122/0x240
[ 182.590291][ T6379] kobject_add_internal+0x6ab/0xcc0
[ 182.590324][ T6379] kobject_init_and_add+0x125/0x190
[ 182.590352][ T6379] ? __pfx_kobject_init_and_add+0x10/0x10
[ 182.590374][ T6379] ? __raw_spin_lock_init+0x45/0x100
[ 182.590410][ T6379] ? __init_swait_queue_head+0xa9/0x150
[ 182.590446][ T6379] gfs2_sys_fs_add+0x234/0x450
[ 182.590475][ T6379] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 182.590509][ T6379] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 182.590551][ T6379] gfs2_fill_super+0x1388/0x21b0
[ 182.590598][ T6379] ? __pfx_gfs2_fill_super+0x10/0x10
[ 182.590622][ T6379] ? sb_set_blocksize+0x155/0x240
[ 182.590643][ T6379] ? setup_bdev_super+0x4c1/0x5b0
[ 182.590661][ T6379] get_tree_bdev_flags+0x40e/0x4d0
[ 182.590679][ T6379] ? __pfx_gfs2_fill_super+0x10/0x10
[ 182.590696][ T6379] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 182.590712][ T6379] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 182.590749][ T6379] gfs2_get_tree+0x51/0x1e0
[ 182.590769][ T6379] vfs_get_tree+0x92/0x2a0
[ 182.590789][ T6379] do_new_mount+0x302/0xa10
[ 182.590810][ T6379] ? apparmor_capable+0x137/0x1a0
[ 182.590838][ T6379] ? __pfx_do_new_mount+0x10/0x10
[ 182.590858][ T6379] ? ns_capable+0x8a/0xf0
[ 182.590881][ T6379] ? kmem_cache_free+0x197/0x620
[ 182.590911][ T6379] __se_sys_mount+0x313/0x410
[ 182.590938][ T6379] ? __pfx___se_sys_mount+0x10/0x10
[ 182.590966][ T6379] ? do_syscall_64+0xbe/0xf80
[ 182.590982][ T6379] ? __x64_sys_mount+0x20/0xc0
[ 182.591005][ T6379] do_syscall_64+0xfa/0xf80
[ 182.591023][ T6379] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 182.591041][ T6379] ? clear_bhb_loop+0x60/0xb0
[ 182.591064][ T6379] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 182.591081][ T6379] RIP: 0033:0x7fce1b590eea
[ 182.591099][ T6379] 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
[ 182.591113][ T6379] RSP: 002b:00007fce1abfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 182.591132][ T6379] RAX: ffffffffffffffda RBX: 00007fce1abfdef0 RCX: 00007fce1b590eea
[ 182.591144][ T6379] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce1abfdeb0
[ 182.591157][ T6379] RBP: 00002000000124c0 R08: 00007fce1abfdef0 R09: 0000000000000000
[ 182.591170][ T6379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 182.591181][ T6379] R13: 00007fce1abfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 182.591216][ T6379]
[ 182.591253][ T6379] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 182.635508][ T6380] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 182.638649][ T6379] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 182.644012][ T6380] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 183.002009][ T6380] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 183.012311][ T44] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 183.464151][ T6390] loop0: detected capacity change from 0 to 32768
[ 183.472470][ T44] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 183.616751][ T6390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 183.624244][ T6390] CPU: 1 UID: 0 PID: 6390 Comm: syz.0.82 Not tainted syzkaller #0 PREEMPT(full)
[ 183.624282][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 183.624293][ T6390] Call Trace:
[ 183.624301][ T6390]
[ 183.624309][ T6390] dump_stack_lvl+0x189/0x250
[ 183.624342][ T6390] ? __pfx_dump_stack_lvl+0x10/0x10
[ 183.624366][ T6390] ? __pfx__printk+0x10/0x10
[ 183.624399][ T6390] ? kernfs_path_from_node+0x250/0x290
[ 183.624419][ T6390] ? kernfs_path_from_node+0x2f/0x290
[ 183.624444][ T6390] sysfs_create_dir_ns+0x259/0x280
[ 183.624468][ T6390] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 183.624489][ T6390] ? do_raw_spin_unlock+0x122/0x240
[ 183.624528][ T6390] kobject_add_internal+0x6ab/0xcc0
[ 183.624558][ T6390] kobject_init_and_add+0x125/0x190
[ 183.624583][ T6390] ? __pfx_kobject_init_and_add+0x10/0x10
[ 183.624603][ T6390] ? __raw_spin_lock_init+0x45/0x100
[ 183.624630][ T6390] ? __init_swait_queue_head+0xa9/0x150
[ 183.624660][ T6390] gfs2_sys_fs_add+0x234/0x450
[ 183.624685][ T6390] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 183.624719][ T6390] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 183.624758][ T6390] gfs2_fill_super+0x1388/0x21b0
[ 183.624794][ T6390] ? __pfx_gfs2_fill_super+0x10/0x10
[ 183.624819][ T6390] ? sb_set_blocksize+0x155/0x240
[ 183.624842][ T6390] ? setup_bdev_super+0x4c1/0x5b0
[ 183.624863][ T6390] get_tree_bdev_flags+0x40e/0x4d0
[ 183.624882][ T6390] ? __pfx_gfs2_fill_super+0x10/0x10
[ 183.624901][ T6390] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 183.624919][ T6390] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 183.624957][ T6390] gfs2_get_tree+0x51/0x1e0
[ 183.624980][ T6390] vfs_get_tree+0x92/0x2a0
[ 183.625001][ T6390] do_new_mount+0x302/0xa10
[ 183.625022][ T6390] ? apparmor_capable+0x137/0x1a0
[ 183.625053][ T6390] ? __pfx_do_new_mount+0x10/0x10
[ 183.625077][ T6390] ? ns_capable+0x8a/0xf0
[ 183.625102][ T6390] ? kmem_cache_free+0x197/0x620
[ 183.625134][ T6390] __se_sys_mount+0x313/0x410
[ 183.625165][ T6390] ? __pfx___se_sys_mount+0x10/0x10
[ 183.625194][ T6390] ? do_syscall_64+0xbe/0xf80
[ 183.625204][ T6392] loop4: detected capacity change from 0 to 32768
[ 183.625211][ T6390] ? __x64_sys_mount+0x20/0xc0
[ 183.625236][ T6390] do_syscall_64+0xfa/0xf80
[ 183.625252][ T6390] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 183.625268][ T6390] ? clear_bhb_loop+0x60/0xb0
[ 183.625289][ T6390] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 183.625305][ T6390] RIP: 0033:0x7faf8e590eea
[ 183.625322][ T6390] 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
[ 183.625342][ T6390] RSP: 002b:00007faf8f359e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 183.625361][ T6390] RAX: ffffffffffffffda RBX: 00007faf8f359ef0 RCX: 00007faf8e590eea
[ 183.625373][ T6390] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007faf8f359eb0
[ 183.625385][ T6390] RBP: 00002000000124c0 R08: 00007faf8f359ef0 R09: 0000000000000000
[ 183.625396][ T6390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 183.625407][ T6390] R13: 00007faf8f359eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 183.625438][ T6390]
[ 183.625530][ T6390] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 183.721564][ T6392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 183.721745][ T6390] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 183.727116][ T6392] CPU: 0 UID: 0 PID: 6392 Comm: syz.4.78 Not tainted syzkaller #0 PREEMPT(full)
[ 183.727139][ T6392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 183.727152][ T6392] Call Trace:
[ 183.727160][ T6392]
[ 183.727169][ T6392] dump_stack_lvl+0x189/0x250
[ 183.727202][ T6392] ? __pfx_dump_stack_lvl+0x10/0x10
[ 183.727226][ T6392] ? __pfx__printk+0x10/0x10
[ 183.727261][ T6392] ? kernfs_path_from_node+0x250/0x290
[ 183.727282][ T6392] ? kernfs_path_from_node+0x2f/0x290
[ 183.727307][ T6392] sysfs_create_dir_ns+0x259/0x280
[ 183.727330][ T6392] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 183.727353][ T6392] ? do_raw_spin_unlock+0x122/0x240
[ 183.727385][ T6392] kobject_add_internal+0x6ab/0xcc0
[ 183.727418][ T6392] kobject_init_and_add+0x125/0x190
[ 183.727446][ T6392] ? __pfx_kobject_init_and_add+0x10/0x10
[ 183.727469][ T6392] ? __raw_spin_lock_init+0x45/0x100
[ 183.727523][ T6392] ? __init_swait_queue_head+0xa9/0x150
[ 183.727554][ T6392] gfs2_sys_fs_add+0x234/0x450
[ 183.727582][ T6392] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 183.727614][ T6392] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 183.727657][ T6392] gfs2_fill_super+0x1388/0x21b0
[ 183.727694][ T6392] ? __pfx_gfs2_fill_super+0x10/0x10
[ 183.727719][ T6392] ? sb_set_blocksize+0x155/0x240
[ 183.727742][ T6392] ? setup_bdev_super+0x4c1/0x5b0
[ 183.727775][ T6392] get_tree_bdev_flags+0x40e/0x4d0
[ 183.727795][ T6392] ? __pfx_gfs2_fill_super+0x10/0x10
[ 183.727814][ T6392] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 183.727832][ T6392] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 183.727872][ T6392] gfs2_get_tree+0x51/0x1e0
[ 183.727894][ T6392] vfs_get_tree+0x92/0x2a0
[ 183.727917][ T6392] do_new_mount+0x302/0xa10
[ 183.727938][ T6392] ? apparmor_capable+0x137/0x1a0
[ 183.727969][ T6392] ? __pfx_do_new_mount+0x10/0x10
[ 183.727993][ T6392] ? ns_capable+0x8a/0xf0
[ 183.728017][ T6392] ? kmem_cache_free+0x197/0x620
[ 183.728049][ T6392] __se_sys_mount+0x313/0x410
[ 183.728081][ T6392] ? __pfx___se_sys_mount+0x10/0x10
[ 183.728109][ T6392] ? do_syscall_64+0xbe/0xf80
[ 183.728125][ T6392] ? __x64_sys_mount+0x20/0xc0
[ 183.728152][ T6392] do_syscall_64+0xfa/0xf80
[ 183.728171][ T6392] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 183.728190][ T6392] ? clear_bhb_loop+0x60/0xb0
[ 183.728212][ T6392] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 183.728230][ T6392] RIP: 0033:0x7f02c3d90eea
[ 183.728247][ T6392] 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
[ 183.728263][ T6392] RSP: 002b:00007f02c4bd5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 183.728284][ T6392] RAX: ffffffffffffffda RBX: 00007f02c4bd5ef0 RCX: 00007f02c3d90eea
[ 183.728298][ T6392] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f02c4bd5eb0
[ 183.728311][ T6392] RBP: 00002000000124c0 R08: 00007f02c4bd5ef0 R09: 0000000000000000
[ 183.728323][ T6392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 183.728335][ T6392] R13: 00007f02c4bd5eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 183.728369][ T6392]
[ 183.728403][ T6392] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 183.728421][ T6392] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 184.532211][ T44] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 1059ms
[ 184.540282][ T44] gfs2: fsid=syz:syz.0: jid=0: Done
[ 184.548073][ T6380] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 184.561559][ T6380] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 185.085837][ T6402] loop3: detected capacity change from 0 to 32768
[ 185.169243][ T6402] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 185.177596][ T6402] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 185.201679][ T6402] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 185.211276][ T6069] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 185.265494][ T6069] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
2025/12/05 22:46:56 executed programs: 79
[ 185.878068][ T6408] loop1: detected capacity change from 0 to 32768
[ 185.922669][ T6069] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 657ms
[ 185.947307][ T6069] gfs2: fsid=syz:syz.0: jid=0: Done
[ 185.952590][ T6402] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 185.975188][ T6408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 185.982650][ T6408] CPU: 0 UID: 0 PID: 6408 Comm: syz.1.85 Not tainted syzkaller #0 PREEMPT(full)
[ 185.982676][ T6408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 185.982687][ T6408] Call Trace:
[ 185.982695][ T6408]
[ 185.982704][ T6408] dump_stack_lvl+0x189/0x250
[ 185.982736][ T6408] ? __pfx_dump_stack_lvl+0x10/0x10
[ 185.982759][ T6408] ? __pfx__printk+0x10/0x10
[ 185.982792][ T6408] ? kernfs_path_from_node+0x250/0x290
[ 185.982813][ T6408] ? kernfs_path_from_node+0x2f/0x290
[ 185.982838][ T6408] sysfs_create_dir_ns+0x259/0x280
[ 185.982862][ T6408] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 185.982885][ T6408] ? do_raw_spin_unlock+0x122/0x240
[ 185.982918][ T6408] kobject_add_internal+0x6ab/0xcc0
[ 185.982950][ T6408] kobject_init_and_add+0x125/0x190
[ 185.982978][ T6408] ? __pfx_kobject_init_and_add+0x10/0x10
[ 185.983001][ T6408] ? __raw_spin_lock_init+0x45/0x100
[ 185.983029][ T6408] ? __init_swait_queue_head+0xa9/0x150
[ 185.983060][ T6408] gfs2_sys_fs_add+0x234/0x450
[ 185.983087][ T6408] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 185.983122][ T6408] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 185.983165][ T6408] gfs2_fill_super+0x1388/0x21b0
[ 185.983202][ T6408] ? __pfx_gfs2_fill_super+0x10/0x10
[ 185.983226][ T6408] ? sb_set_blocksize+0x155/0x240
[ 185.983250][ T6408] ? setup_bdev_super+0x4c1/0x5b0
[ 185.983274][ T6408] get_tree_bdev_flags+0x40e/0x4d0
[ 185.983294][ T6408] ? __pfx_gfs2_fill_super+0x10/0x10
[ 185.983313][ T6408] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 185.983331][ T6408] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 185.983371][ T6408] gfs2_get_tree+0x51/0x1e0
[ 185.983393][ T6408] vfs_get_tree+0x92/0x2a0
[ 185.983416][ T6408] do_new_mount+0x302/0xa10
[ 185.983438][ T6408] ? apparmor_capable+0x137/0x1a0
[ 185.983468][ T6408] ? __pfx_do_new_mount+0x10/0x10
[ 185.983492][ T6408] ? ns_capable+0x8a/0xf0
[ 185.983526][ T6408] ? kmem_cache_free+0x197/0x620
[ 185.983558][ T6408] __se_sys_mount+0x313/0x410
[ 185.983589][ T6408] ? __pfx___se_sys_mount+0x10/0x10
[ 185.983618][ T6408] ? do_syscall_64+0xbe/0xf80
[ 185.983634][ T6408] ? __x64_sys_mount+0x20/0xc0
[ 185.983660][ T6408] do_syscall_64+0xfa/0xf80
[ 185.983680][ T6408] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 185.983699][ T6408] ? clear_bhb_loop+0x60/0xb0
[ 185.983722][ T6408] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 185.983740][ T6408] RIP: 0033:0x7fce1b590eea
[ 185.983757][ T6408] 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
[ 185.983773][ T6408] RSP: 002b:00007fce1abfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 185.983794][ T6408] RAX: ffffffffffffffda RBX: 00007fce1abfdef0 RCX: 00007fce1b590eea
[ 185.983809][ T6408] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce1abfdeb0
[ 185.983821][ T6408] RBP: 00002000000124c0 R08: 00007fce1abfdef0 R09: 0000000000000000
[ 185.983834][ T6408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 185.983846][ T6408] R13: 00007fce1abfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 185.983881][ T6408]
[ 185.983911][ T6408] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 186.258551][ T6411] loop4: detected capacity change from 0 to 32768
[ 186.265981][ T6408] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 186.365123][ T6411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 186.372638][ T6411] CPU: 0 UID: 0 PID: 6411 Comm: syz.4.86 Not tainted syzkaller #0 PREEMPT(full)
[ 186.372667][ T6411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 186.372679][ T6411] Call Trace:
[ 186.372687][ T6411]
[ 186.372696][ T6411] dump_stack_lvl+0x189/0x250
[ 186.372729][ T6411] ? __pfx_dump_stack_lvl+0x10/0x10
[ 186.372753][ T6411] ? __pfx__printk+0x10/0x10
[ 186.372788][ T6411] ? kernfs_path_from_node+0x250/0x290
[ 186.372808][ T6411] ? kernfs_path_from_node+0x2f/0x290
[ 186.372834][ T6411] sysfs_create_dir_ns+0x259/0x280
[ 186.372859][ T6411] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 186.372882][ T6411] ? do_raw_spin_unlock+0x122/0x240
[ 186.372916][ T6411] kobject_add_internal+0x6ab/0xcc0
[ 186.372949][ T6411] kobject_init_and_add+0x125/0x190
[ 186.372977][ T6411] ? __pfx_kobject_init_and_add+0x10/0x10
[ 186.373000][ T6411] ? __raw_spin_lock_init+0x45/0x100
[ 186.373029][ T6411] ? __init_swait_queue_head+0xa9/0x150
[ 186.373060][ T6411] gfs2_sys_fs_add+0x234/0x450
[ 186.373089][ T6411] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 186.373124][ T6411] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 186.373167][ T6411] gfs2_fill_super+0x1388/0x21b0
[ 186.373206][ T6411] ? __pfx_gfs2_fill_super+0x10/0x10
[ 186.373230][ T6411] ? sb_set_blocksize+0x155/0x240
[ 186.373254][ T6411] ? setup_bdev_super+0x4c1/0x5b0
[ 186.373278][ T6411] get_tree_bdev_flags+0x40e/0x4d0
[ 186.373298][ T6411] ? __pfx_gfs2_fill_super+0x10/0x10
[ 186.373317][ T6411] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 186.373335][ T6411] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 186.373376][ T6411] gfs2_get_tree+0x51/0x1e0
[ 186.373398][ T6411] vfs_get_tree+0x92/0x2a0
[ 186.373421][ T6411] do_new_mount+0x302/0xa10
[ 186.373443][ T6411] ? apparmor_capable+0x137/0x1a0
[ 186.373474][ T6411] ? __pfx_do_new_mount+0x10/0x10
[ 186.373498][ T6411] ? ns_capable+0x8a/0xf0
[ 186.373522][ T6411] ? kmem_cache_free+0x197/0x620
[ 186.373565][ T6411] __se_sys_mount+0x313/0x410
[ 186.373597][ T6411] ? __pfx___se_sys_mount+0x10/0x10
[ 186.373627][ T6411] ? do_syscall_64+0xbe/0xf80
[ 186.373645][ T6411] ? __x64_sys_mount+0x20/0xc0
[ 186.373671][ T6411] do_syscall_64+0xfa/0xf80
[ 186.373691][ T6411] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 186.373711][ T6411] ? clear_bhb_loop+0x60/0xb0
[ 186.373734][ T6411] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 186.373752][ T6411] RIP: 0033:0x7f02c3d90eea
[ 186.373771][ T6411] 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
[ 186.373788][ T6411] RSP: 002b:00007f02c4bd5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 186.373809][ T6411] RAX: ffffffffffffffda RBX: 00007f02c4bd5ef0 RCX: 00007f02c3d90eea
[ 186.373822][ T6411] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f02c4bd5eb0
[ 186.373836][ T6411] RBP: 00002000000124c0 R08: 00007f02c4bd5ef0 R09: 0000000000000000
[ 186.373848][ T6411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 186.373861][ T6411] R13: 00007f02c4bd5eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 186.373895][ T6411]
[ 186.373923][ T6411] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 186.695500][ T6411] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 186.746130][ T6402] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 187.104210][ T6418] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 187.154158][ T6418] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 187.178765][ T6418] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:6418 [gfs2_quotad/syz] gfs2_quota_sync+0x359/0x460
[ 187.253438][ T6418] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 187.701438][ T6421] loop0: detected capacity change from 0 to 32768
[ 187.711217][ T6418] CPU: 1 UID: 0 PID: 6418 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT(full)
[ 187.711246][ T6418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 187.711257][ T6418] Call Trace:
[ 187.711271][ T6418]
[ 187.711279][ T6418] dump_stack_lvl+0x189/0x250
[ 187.711312][ T6418] ? __pfx_dump_stack_lvl+0x10/0x10
[ 187.711337][ T6418] ? queue_delayed_work_on+0x11a/0x280
[ 187.711360][ T6418] ? lockdep_hardirqs_on+0x98/0x140
[ 187.711379][ T6418] ? preempt_schedule+0xae/0xc0
[ 187.711414][ T6418] gfs2_withdraw+0xc3/0x1b0
[ 187.711436][ T6418] inode_go_instantiate+0xdd0/0x1210
[ 187.711477][ T6418] ? __pfx_inode_go_instantiate+0x10/0x10
[ 187.711508][ T6418] ? gfs2_glock_nq+0xedd/0x15f0
[ 187.711535][ T6418] gfs2_instantiate+0x168/0x220
[ 187.711557][ T6418] gfs2_glock_wait+0x1d4/0x2a0
[ 187.711581][ T6418] do_sync+0x46f/0xc60
[ 187.711604][ T6418] ? _raw_spin_unlock+0x28/0x50
[ 187.711628][ T6418] ? gfs2_quota_sync+0x359/0x460
[ 187.711664][ T6418] ? __pfx_do_sync+0x10/0x10
[ 187.711698][ T6418] ? gfs2_quota_sync+0x359/0x460
[ 187.711727][ T6418] ? do_raw_spin_unlock+0x122/0x240
[ 187.711768][ T6418] gfs2_quota_sync+0x359/0x460
[ 187.711806][ T6418] gfs2_quotad+0x3d5/0x930
[ 187.711850][ T6418] ? __pfx_gfs2_quotad+0x10/0x10
[ 187.711882][ T6418] ? __kthread_parkme+0x7b/0x200
[ 187.711905][ T6418] ? __kthread_parkme+0x1a1/0x200
[ 187.711935][ T6418] kthread+0x711/0x8a0
[ 187.711964][ T6418] ? __pfx_gfs2_quotad+0x10/0x10
[ 187.711988][ T6418] ? __pfx_kthread+0x10/0x10
[ 187.712016][ T6418] ? _raw_spin_unlock_irq+0x23/0x50
[ 187.712042][ T6418] ? lockdep_hardirqs_on+0x98/0x140
[ 187.712058][ T6418] ? __pfx_kthread+0x10/0x10
[ 187.712084][ T6418] ret_from_fork+0x599/0xb30
[ 187.712107][ T6418] ? __pfx_ret_from_fork+0x10/0x10
[ 187.712139][ T6418] ? __switch_to_asm+0x39/0x70
[ 187.712162][ T6418] ? __switch_to_asm+0x33/0x70
[ 187.712185][ T6418] ? __pfx_kthread+0x10/0x10
[ 187.712211][ T6418] ret_from_fork_asm+0x1a/0x30
[ 187.712256][ T6418]
[ 187.713944][ T6418] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 187.987013][ T6421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 187.994452][ T6421] CPU: 1 UID: 0 PID: 6421 Comm: syz.0.87 Not tainted syzkaller #0 PREEMPT(full)
[ 187.994477][ T6421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 187.994488][ T6421] Call Trace:
[ 187.994496][ T6421]
[ 187.994504][ T6421] dump_stack_lvl+0x189/0x250
[ 187.994544][ T6421] ? __pfx_dump_stack_lvl+0x10/0x10
[ 187.994567][ T6421] ? __pfx__printk+0x10/0x10
[ 187.994602][ T6421] ? kernfs_path_from_node+0x250/0x290
[ 187.994621][ T6421] ? kernfs_path_from_node+0x2f/0x290
[ 187.994643][ T6421] sysfs_create_dir_ns+0x259/0x280
[ 187.994667][ T6421] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 187.994690][ T6421] ? do_raw_spin_unlock+0x122/0x240
[ 187.994722][ T6421] kobject_add_internal+0x6ab/0xcc0
[ 187.994753][ T6421] kobject_init_and_add+0x125/0x190
[ 187.994780][ T6421] ? __pfx_kobject_init_and_add+0x10/0x10
[ 187.994802][ T6421] ? __raw_spin_lock_init+0x45/0x100
[ 187.994830][ T6421] ? __init_swait_queue_head+0xa9/0x150
[ 187.994860][ T6421] gfs2_sys_fs_add+0x234/0x450
[ 187.994887][ T6421] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 187.994921][ T6421] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 187.994962][ T6421] gfs2_fill_super+0x1388/0x21b0
[ 187.994999][ T6421] ? __pfx_gfs2_fill_super+0x10/0x10
[ 187.995023][ T6421] ? sb_set_blocksize+0x155/0x240
[ 187.995047][ T6421] ? setup_bdev_super+0x4c1/0x5b0
[ 187.995072][ T6421] get_tree_bdev_flags+0x40e/0x4d0
[ 187.995100][ T6421] ? __pfx_gfs2_fill_super+0x10/0x10
[ 187.995117][ T6421] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 187.995134][ T6421] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 187.995174][ T6421] gfs2_get_tree+0x51/0x1e0
[ 187.995197][ T6421] vfs_get_tree+0x92/0x2a0
[ 187.995220][ T6421] do_new_mount+0x302/0xa10
[ 187.995241][ T6421] ? apparmor_capable+0x137/0x1a0
[ 187.995273][ T6421] ? __pfx_do_new_mount+0x10/0x10
[ 187.995296][ T6421] ? ns_capable+0x8a/0xf0
[ 187.995319][ T6421] ? kmem_cache_free+0x197/0x620
[ 187.995356][ T6421] __se_sys_mount+0x313/0x410
[ 187.995386][ T6421] ? __pfx___se_sys_mount+0x10/0x10
[ 187.995414][ T6421] ? do_syscall_64+0xbe/0xf80
[ 187.995430][ T6421] ? __x64_sys_mount+0x20/0xc0
[ 187.995456][ T6421] do_syscall_64+0xfa/0xf80
[ 187.995475][ T6421] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 187.995493][ T6421] ? clear_bhb_loop+0x60/0xb0
[ 187.995524][ T6421] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 187.995543][ T6421] RIP: 0033:0x7faf8e590eea
[ 187.995561][ T6421] 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
[ 187.995577][ T6421] RSP: 002b:00007faf8f359e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 187.995599][ T6421] RAX: ffffffffffffffda RBX: 00007faf8f359ef0 RCX: 00007faf8e590eea
[ 187.995613][ T6421] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007faf8f359eb0
[ 187.995625][ T6421] RBP: 00002000000124c0 R08: 00007faf8f359ef0 R09: 0000000000000000
[ 187.995638][ T6421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 187.995650][ T6421] R13: 00007faf8f359eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 187.995684][ T6421]
[ 188.299375][ T6421] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 188.313347][ T6421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 188.783944][ T6424] loop2: detected capacity change from 0 to 32768
[ 188.877619][ T6427] loop4: detected capacity change from 0 to 32768
[ 188.963672][ T6424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 188.971305][ T6424] CPU: 0 UID: 0 PID: 6424 Comm: syz.2.89 Not tainted syzkaller #0 PREEMPT(full)
[ 188.971333][ T6424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 188.971344][ T6424] Call Trace:
[ 188.971351][ T6424]
[ 188.971360][ T6424] dump_stack_lvl+0x189/0x250
[ 188.971392][ T6424] ? __pfx_dump_stack_lvl+0x10/0x10
[ 188.971416][ T6424] ? __pfx__printk+0x10/0x10
[ 188.971450][ T6424] ? kernfs_path_from_node+0x250/0x290
[ 188.971471][ T6424] ? kernfs_path_from_node+0x2f/0x290
[ 188.971495][ T6424] sysfs_create_dir_ns+0x259/0x280
[ 188.971519][ T6424] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 188.971550][ T6424] ? do_raw_spin_unlock+0x122/0x240
[ 188.971582][ T6424] kobject_add_internal+0x6ab/0xcc0
[ 188.971613][ T6424] kobject_init_and_add+0x125/0x190
[ 188.971641][ T6424] ? __pfx_kobject_init_and_add+0x10/0x10
[ 188.971664][ T6424] ? __raw_spin_lock_init+0x45/0x100
[ 188.971692][ T6424] ? __init_swait_queue_head+0xa9/0x150
[ 188.971721][ T6424] gfs2_sys_fs_add+0x234/0x450
[ 188.971749][ T6424] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 188.971783][ T6424] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 188.971825][ T6424] gfs2_fill_super+0x1388/0x21b0
[ 188.971862][ T6424] ? __pfx_gfs2_fill_super+0x10/0x10
[ 188.971886][ T6424] ? sb_set_blocksize+0x155/0x240
[ 188.971909][ T6424] ? setup_bdev_super+0x4c1/0x5b0
[ 188.971932][ T6424] get_tree_bdev_flags+0x40e/0x4d0
[ 188.971952][ T6424] ? __pfx_gfs2_fill_super+0x10/0x10
[ 188.971971][ T6424] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 188.971988][ T6424] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 188.972027][ T6424] gfs2_get_tree+0x51/0x1e0
[ 188.972049][ T6424] vfs_get_tree+0x92/0x2a0
[ 188.972072][ T6424] do_new_mount+0x302/0xa10
[ 188.972092][ T6424] ? apparmor_capable+0x137/0x1a0
[ 188.972122][ T6424] ? __pfx_do_new_mount+0x10/0x10
[ 188.972146][ T6424] ? ns_capable+0x8a/0xf0
[ 188.972169][ T6424] ? kmem_cache_free+0x197/0x620
[ 188.972201][ T6424] __se_sys_mount+0x313/0x410
[ 188.972232][ T6424] ? __pfx___se_sys_mount+0x10/0x10
[ 188.972260][ T6424] ? do_syscall_64+0xbe/0xf80
[ 188.972276][ T6424] ? __x64_sys_mount+0x20/0xc0
[ 188.972302][ T6424] do_syscall_64+0xfa/0xf80
[ 188.972321][ T6424] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 188.972339][ T6424] ? clear_bhb_loop+0x60/0xb0
[ 188.972362][ T6424] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 188.972380][ T6424] RIP: 0033:0x7fdf5f790eea
[ 188.972398][ T6424] 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
[ 188.972413][ T6424] RSP: 002b:00007fdf605d7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 188.972435][ T6424] RAX: ffffffffffffffda RBX: 00007fdf605d7ef0 RCX: 00007fdf5f790eea
[ 188.972449][ T6424] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fdf605d7eb0
[ 188.972462][ T6424] RBP: 00002000000124c0 R08: 00007fdf605d7ef0 R09: 0000000000000000
[ 188.972475][ T6424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 188.972487][ T6424] R13: 00007fdf605d7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 188.972521][ T6424]
[ 188.972557][ T6424] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.195050][ T6429] loop1: detected capacity change from 0 to 32768
[ 189.197062][ T6424] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.331376][ T6427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.338936][ T6427] CPU: 1 UID: 0 PID: 6427 Comm: syz.4.90 Not tainted syzkaller #0 PREEMPT(full)
[ 189.338964][ T6427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 189.338975][ T6427] Call Trace:
[ 189.338983][ T6427]
[ 189.338991][ T6427] dump_stack_lvl+0x189/0x250
[ 189.339025][ T6427] ? __pfx_dump_stack_lvl+0x10/0x10
[ 189.339049][ T6427] ? __pfx__printk+0x10/0x10
[ 189.339084][ T6427] ? kernfs_path_from_node+0x250/0x290
[ 189.339106][ T6427] ? kernfs_path_from_node+0x2f/0x290
[ 189.339131][ T6427] sysfs_create_dir_ns+0x259/0x280
[ 189.339155][ T6427] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 189.339179][ T6427] ? do_raw_spin_unlock+0x122/0x240
[ 189.339212][ T6427] kobject_add_internal+0x6ab/0xcc0
[ 189.339245][ T6427] kobject_init_and_add+0x125/0x190
[ 189.339273][ T6427] ? __pfx_kobject_init_and_add+0x10/0x10
[ 189.339297][ T6427] ? __raw_spin_lock_init+0x45/0x100
[ 189.339326][ T6427] ? __init_swait_queue_head+0xa9/0x150
[ 189.339355][ T6427] gfs2_sys_fs_add+0x234/0x450
[ 189.339384][ T6427] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 189.339418][ T6427] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 189.339462][ T6427] gfs2_fill_super+0x1388/0x21b0
[ 189.339510][ T6427] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.339535][ T6427] ? sb_set_blocksize+0x155/0x240
[ 189.339559][ T6427] ? setup_bdev_super+0x4c1/0x5b0
[ 189.339584][ T6427] get_tree_bdev_flags+0x40e/0x4d0
[ 189.339605][ T6427] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.339624][ T6427] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 189.339642][ T6427] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 189.339690][ T6427] gfs2_get_tree+0x51/0x1e0
[ 189.339713][ T6427] vfs_get_tree+0x92/0x2a0
[ 189.339736][ T6427] do_new_mount+0x302/0xa10
[ 189.339756][ T6427] ? apparmor_capable+0x137/0x1a0
[ 189.339788][ T6427] ? __pfx_do_new_mount+0x10/0x10
[ 189.339811][ T6427] ? ns_capable+0x8a/0xf0
[ 189.339835][ T6427] ? kmem_cache_free+0x197/0x620
[ 189.339868][ T6427] __se_sys_mount+0x313/0x410
[ 189.339900][ T6427] ? __pfx___se_sys_mount+0x10/0x10
[ 189.339928][ T6427] ? do_syscall_64+0xbe/0xf80
[ 189.339945][ T6427] ? __x64_sys_mount+0x20/0xc0
[ 189.339970][ T6427] do_syscall_64+0xfa/0xf80
[ 189.339990][ T6427] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.340009][ T6427] ? clear_bhb_loop+0x60/0xb0
[ 189.340032][ T6427] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.340051][ T6427] RIP: 0033:0x7f02c3d90eea
[ 189.340070][ T6427] 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
[ 189.340086][ T6427] RSP: 002b:00007f02c4bd5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.340108][ T6427] RAX: ffffffffffffffda RBX: 00007f02c4bd5ef0 RCX: 00007f02c3d90eea
[ 189.340122][ T6427] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f02c4bd5eb0
[ 189.340134][ T6427] RBP: 00002000000124c0 R08: 00007f02c4bd5ef0 R09: 0000000000000000
[ 189.340147][ T6427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 189.340159][ T6427] R13: 00007f02c4bd5eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 189.340193][ T6427]
[ 189.340264][ T6427] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.526075][ T6429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.530889][ T6427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.536216][ T6429] CPU: 0 UID: 0 PID: 6429 Comm: syz.1.91 Not tainted syzkaller #0 PREEMPT(full)
[ 189.536243][ T6429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 189.536254][ T6429] Call Trace:
[ 189.536262][ T6429]
[ 189.536271][ T6429] dump_stack_lvl+0x189/0x250
[ 189.536304][ T6429] ? __pfx_dump_stack_lvl+0x10/0x10
[ 189.536328][ T6429] ? __pfx__printk+0x10/0x10
[ 189.536363][ T6429] ? kernfs_path_from_node+0x250/0x290
[ 189.536383][ T6429] ? kernfs_path_from_node+0x2f/0x290
[ 189.536405][ T6429] sysfs_create_dir_ns+0x259/0x280
[ 189.536426][ T6429] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 189.536447][ T6429] ? do_raw_spin_unlock+0x122/0x240
[ 189.536474][ T6429] kobject_add_internal+0x6ab/0xcc0
[ 189.536503][ T6429] kobject_init_and_add+0x125/0x190
[ 189.536528][ T6429] ? __pfx_kobject_init_and_add+0x10/0x10
[ 189.536548][ T6429] ? __raw_spin_lock_init+0x45/0x100
[ 189.536573][ T6429] ? __init_swait_queue_head+0xa9/0x150
[ 189.536600][ T6429] gfs2_sys_fs_add+0x234/0x450
[ 189.536626][ T6429] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 189.536656][ T6429] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 189.536694][ T6429] gfs2_fill_super+0x1388/0x21b0
[ 189.536727][ T6429] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.536749][ T6429] ? sb_set_blocksize+0x155/0x240
[ 189.536770][ T6429] ? setup_bdev_super+0x4c1/0x5b0
[ 189.536791][ T6429] get_tree_bdev_flags+0x40e/0x4d0
[ 189.536817][ T6429] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.536833][ T6429] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 189.536849][ T6429] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 189.536884][ T6429] gfs2_get_tree+0x51/0x1e0
[ 189.536904][ T6429] vfs_get_tree+0x92/0x2a0
[ 189.536924][ T6429] do_new_mount+0x302/0xa10
[ 189.536943][ T6429] ? apparmor_capable+0x137/0x1a0
[ 189.536969][ T6429] ? __pfx_do_new_mount+0x10/0x10
[ 189.536990][ T6429] ? ns_capable+0x8a/0xf0
[ 189.537011][ T6429] ? kmem_cache_free+0x197/0x620
[ 189.537040][ T6429] __se_sys_mount+0x313/0x410
[ 189.537073][ T6429] ? __pfx___se_sys_mount+0x10/0x10
[ 189.537098][ T6429] ? do_syscall_64+0xbe/0xf80
[ 189.537112][ T6429] ? __x64_sys_mount+0x20/0xc0
[ 189.537135][ T6429] do_syscall_64+0xfa/0xf80
[ 189.537152][ T6429] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.537169][ T6429] ? clear_bhb_loop+0x60/0xb0
[ 189.537190][ T6429] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.537206][ T6429] RIP: 0033:0x7fce1b590eea
[ 189.537223][ T6429] 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
[ 189.537237][ T6429] RSP: 002b:00007fce1abfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.537256][ T6429] RAX: ffffffffffffffda RBX: 00007fce1abfdef0 RCX: 00007fce1b590eea
[ 189.537269][ T6429] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce1abfdeb0
[ 189.537280][ T6429] RBP: 00002000000124c0 R08: 00007fce1abfdef0 R09: 0000000000000000
[ 189.537291][ T6429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 189.537302][ T6429] R13: 00007fce1abfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 189.537332][ T6429]
[ 189.537357][ T6429] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 190.000579][ T6429] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/05 22:47:01 executed programs: 86
[ 191.843996][ T6443] loop3: detected capacity change from 0 to 32768
[ 192.049323][ T6443] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 192.059599][ T6443] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 192.072874][ T6443] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 192.084844][ T44] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 192.303208][ T6445] loop2: detected capacity change from 0 to 32768
[ 192.426972][ T6445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 192.434528][ T6445] CPU: 0 UID: 0 PID: 6445 Comm: syz.2.95 Not tainted syzkaller #0 PREEMPT(full)
[ 192.434564][ T6445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 192.434577][ T6445] Call Trace:
[ 192.434585][ T6445]
[ 192.434593][ T6445] dump_stack_lvl+0x189/0x250
[ 192.434626][ T6445] ? __pfx_dump_stack_lvl+0x10/0x10
[ 192.434651][ T6445] ? __pfx__printk+0x10/0x10
[ 192.434686][ T6445] ? kernfs_path_from_node+0x250/0x290
[ 192.434715][ T6445] ? kernfs_path_from_node+0x2f/0x290
[ 192.434740][ T6445] sysfs_create_dir_ns+0x259/0x280
[ 192.434765][ T6445] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 192.434788][ T6445] ? do_raw_spin_unlock+0x122/0x240
[ 192.434821][ T6445] kobject_add_internal+0x6ab/0xcc0
[ 192.434853][ T6445] kobject_init_and_add+0x125/0x190
[ 192.434882][ T6445] ? __pfx_kobject_init_and_add+0x10/0x10
[ 192.434906][ T6445] ? __raw_spin_lock_init+0x45/0x100
[ 192.434934][ T6445] ? __init_swait_queue_head+0xa9/0x150
[ 192.434964][ T6445] gfs2_sys_fs_add+0x234/0x450
[ 192.434993][ T6445] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 192.435028][ T6445] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 192.435071][ T6445] gfs2_fill_super+0x1388/0x21b0
[ 192.435111][ T6445] ? __pfx_gfs2_fill_super+0x10/0x10
[ 192.435136][ T6445] ? sb_set_blocksize+0x155/0x240
[ 192.435160][ T6445] ? setup_bdev_super+0x4c1/0x5b0
[ 192.435185][ T6445] get_tree_bdev_flags+0x40e/0x4d0
[ 192.435206][ T6445] ? __pfx_gfs2_fill_super+0x10/0x10
[ 192.435226][ T6445] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 192.435243][ T6445] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 192.435283][ T6445] gfs2_get_tree+0x51/0x1e0
[ 192.435307][ T6445] vfs_get_tree+0x92/0x2a0
[ 192.435336][ T6445] do_new_mount+0x302/0xa10
[ 192.435356][ T6445] ? apparmor_capable+0x137/0x1a0
[ 192.435382][ T6445] ? __pfx_do_new_mount+0x10/0x10
[ 192.435405][ T6445] ? ns_capable+0x8a/0xf0
[ 192.435428][ T6445] ? kmem_cache_free+0x197/0x620
[ 192.435460][ T6445] __se_sys_mount+0x313/0x410
[ 192.435492][ T6445] ? __pfx___se_sys_mount+0x10/0x10
[ 192.435521][ T6445] ? do_syscall_64+0xbe/0xf80
[ 192.435538][ T6445] ? __x64_sys_mount+0x20/0xc0
[ 192.435564][ T6445] do_syscall_64+0xfa/0xf80
[ 192.435583][ T6445] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 192.435602][ T6445] ? clear_bhb_loop+0x60/0xb0
[ 192.435626][ T6445] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 192.435642][ T6445] RIP: 0033:0x7fdf5f790eea
[ 192.435662][ T6445] 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
[ 192.435678][ T6445] RSP: 002b:00007fdf605d7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 192.435709][ T6445] RAX: ffffffffffffffda RBX: 00007fdf605d7ef0 RCX: 00007fdf5f790eea
[ 192.435723][ T6445] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fdf605d7eb0
[ 192.435736][ T6445] RBP: 00002000000124c0 R08: 00007fdf605d7ef0 R09: 0000000000000000
[ 192.435749][ T6445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 192.435761][ T6445] R13: 00007fdf605d7eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 192.435795][ T6445]
[ 192.739612][ T6445] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 192.755583][ T6445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 192.783276][ T6450] loop0: detected capacity change from 0 to 32768
[ 192.835869][ T6450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 192.843449][ T6450] CPU: 1 UID: 0 PID: 6450 Comm: syz.0.94 Not tainted syzkaller #0 PREEMPT(full)
[ 192.843476][ T6450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 192.843488][ T6450] Call Trace:
[ 192.843497][ T6450]
[ 192.843505][ T6450] dump_stack_lvl+0x189/0x250
[ 192.843547][ T6450] ? __pfx_dump_stack_lvl+0x10/0x10
[ 192.843571][ T6450] ? __pfx__printk+0x10/0x10
[ 192.843607][ T6450] ? kernfs_path_from_node+0x250/0x290
[ 192.843627][ T6450] ? kernfs_path_from_node+0x2f/0x290
[ 192.843652][ T6450] sysfs_create_dir_ns+0x259/0x280
[ 192.843678][ T6450] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 192.843700][ T6450] ? do_raw_spin_unlock+0x122/0x240
[ 192.843734][ T6450] kobject_add_internal+0x6ab/0xcc0
[ 192.843766][ T6450] kobject_init_and_add+0x125/0x190
[ 192.843794][ T6450] ? __pfx_kobject_init_and_add+0x10/0x10
[ 192.843818][ T6450] ? __raw_spin_lock_init+0x45/0x100
[ 192.843846][ T6450] ? __init_swait_queue_head+0xa9/0x150
[ 192.843877][ T6450] gfs2_sys_fs_add+0x234/0x450
[ 192.843907][ T6450] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 192.843941][ T6450] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 192.843985][ T6450] gfs2_fill_super+0x1388/0x21b0
[ 192.844023][ T6450] ? __pfx_gfs2_fill_super+0x10/0x10
[ 192.844048][ T6450] ? sb_set_blocksize+0x155/0x240
[ 192.844072][ T6450] ? setup_bdev_super+0x4c1/0x5b0
[ 192.844097][ T6450] get_tree_bdev_flags+0x40e/0x4d0
[ 192.844116][ T6450] ? __pfx_gfs2_fill_super+0x10/0x10
[ 192.844136][ T6450] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 192.844154][ T6450] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 192.844194][ T6450] gfs2_get_tree+0x51/0x1e0
[ 192.844218][ T6450] vfs_get_tree+0x92/0x2a0
[ 192.844241][ T6450] do_new_mount+0x302/0xa10
[ 192.844263][ T6450] ? apparmor_capable+0x137/0x1a0
[ 192.844294][ T6450] ? __pfx_do_new_mount+0x10/0x10
[ 192.844318][ T6450] ? ns_capable+0x8a/0xf0
[ 192.844342][ T6450] ? kmem_cache_free+0x197/0x620
[ 192.844376][ T6450] __se_sys_mount+0x313/0x410
[ 192.844407][ T6450] ? __pfx___se_sys_mount+0x10/0x10
[ 192.844436][ T6450] ? do_syscall_64+0xbe/0xf80
[ 192.844453][ T6450] ? __x64_sys_mount+0x20/0xc0
[ 192.844479][ T6450] do_syscall_64+0xfa/0xf80
[ 192.844500][ T6450] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 192.844518][ T6450] ? clear_bhb_loop+0x60/0xb0
[ 192.844550][ T6450] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 192.844569][ T6450] RIP: 0033:0x7faf8e590eea
[ 192.844587][ T6450] 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
[ 192.844604][ T6450] RSP: 002b:00007faf8dbfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 192.844626][ T6450] RAX: ffffffffffffffda RBX: 00007faf8dbfdef0 RCX: 00007faf8e590eea
[ 192.844640][ T6450] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007faf8dbfdeb0
[ 192.844653][ T6450] RBP: 00002000000124c0 R08: 00007faf8dbfdef0 R09: 0000000000000000
[ 192.844665][ T6450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 192.844677][ T6450] R13: 00007faf8dbfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 192.844711][ T6450]
[ 192.844741][ T6450] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 193.171486][ T6450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 193.184364][ T44] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 193.292731][ T44] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 108ms
[ 193.315584][ T44] gfs2: fsid=syz:syz.0: jid=0: Done
[ 193.320872][ T6443] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 193.686457][ T6456] loop4: detected capacity change from 0 to 32768
[ 193.816028][ T6456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 193.823526][ T6456] CPU: 0 UID: 0 PID: 6456 Comm: syz.4.96 Not tainted syzkaller #0 PREEMPT(full)
[ 193.823554][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 193.823566][ T6456] Call Trace:
[ 193.823574][ T6456]
[ 193.823582][ T6456] dump_stack_lvl+0x189/0x250
[ 193.823615][ T6456] ? __pfx_dump_stack_lvl+0x10/0x10
[ 193.823639][ T6456] ? __pfx__printk+0x10/0x10
[ 193.823674][ T6456] ? kernfs_path_from_node+0x250/0x290
[ 193.823694][ T6456] ? kernfs_path_from_node+0x2f/0x290
[ 193.823719][ T6456] sysfs_create_dir_ns+0x259/0x280
[ 193.823742][ T6456] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 193.823765][ T6456] ? do_raw_spin_unlock+0x122/0x240
[ 193.823798][ T6456] kobject_add_internal+0x6ab/0xcc0
[ 193.823830][ T6456] kobject_init_and_add+0x125/0x190
[ 193.823859][ T6456] ? __pfx_kobject_init_and_add+0x10/0x10
[ 193.823883][ T6456] ? __raw_spin_lock_init+0x45/0x100
[ 193.823916][ T6456] ? __init_swait_queue_head+0xa9/0x150
[ 193.823947][ T6456] gfs2_sys_fs_add+0x234/0x450
[ 193.823976][ T6456] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 193.824011][ T6456] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 193.824055][ T6456] gfs2_fill_super+0x1388/0x21b0
[ 193.824092][ T6456] ? __pfx_gfs2_fill_super+0x10/0x10
[ 193.824117][ T6456] ? sb_set_blocksize+0x155/0x240
[ 193.824141][ T6456] ? setup_bdev_super+0x4c1/0x5b0
[ 193.824165][ T6456] get_tree_bdev_flags+0x40e/0x4d0
[ 193.824186][ T6456] ? __pfx_gfs2_fill_super+0x10/0x10
[ 193.824205][ T6456] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 193.824223][ T6456] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 193.824263][ T6456] gfs2_get_tree+0x51/0x1e0
[ 193.824285][ T6456] vfs_get_tree+0x92/0x2a0
[ 193.824309][ T6456] do_new_mount+0x302/0xa10
[ 193.824331][ T6456] ? apparmor_capable+0x137/0x1a0
[ 193.824363][ T6456] ? __pfx_do_new_mount+0x10/0x10
[ 193.824386][ T6456] ? ns_capable+0x8a/0xf0
[ 193.824410][ T6456] ? kmem_cache_free+0x197/0x620
[ 193.824443][ T6456] __se_sys_mount+0x313/0x410
[ 193.824474][ T6456] ? __pfx___se_sys_mount+0x10/0x10
[ 193.824510][ T6456] ? do_syscall_64+0xbe/0xf80
[ 193.824528][ T6456] ? __x64_sys_mount+0x20/0xc0
[ 193.824554][ T6456] do_syscall_64+0xfa/0xf80
[ 193.824574][ T6456] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 193.824594][ T6456] ? clear_bhb_loop+0x60/0xb0
[ 193.824618][ T6456] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 193.824636][ T6456] RIP: 0033:0x7f02c3d90eea
[ 193.824655][ T6456] 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
[ 193.824671][ T6456] RSP: 002b:00007f02c4bd5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 193.824694][ T6456] RAX: ffffffffffffffda RBX: 00007f02c4bd5ef0 RCX: 00007f02c3d90eea
[ 193.824707][ T6456] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f02c4bd5eb0
[ 193.824720][ T6456] RBP: 00002000000124c0 R08: 00007f02c4bd5ef0 R09: 0000000000000000
[ 193.824732][ T6456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 193.824743][ T6456] R13: 00007f02c4bd5eb0 R14: 00000000000125c7 R15: 0000200000000180
[ 193.824778][ T6456]
[ 193.824841][ T6456] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 193.842165][ T6459] loop1: detected capacity change from 0 to 32768
[ 193.844232][ T6456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 193.973549][ T6443] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 194.047930][ T6461] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 194.047971][ T6461] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 194.048001][ T6461] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:6461 [gfs2_quotad/syz] gfs2_quota_sync+0x359/0x460
[ 194.048053][ T6461] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 194.048082][ T6461] CPU: 0 UID: 0 PID: 6461 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT(full)
[ 194.048104][ T6461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 194.048116][ T6461] Call Trace:
[ 194.048125][ T6461]
[ 194.048134][ T6461] dump_stack_lvl+0x189/0x250
[ 194.048163][ T6461] ? __pfx_dump_stack_lvl+0x10/0x10
[ 194.048188][ T6461] ? queue_delayed_work_on+0x11a/0x280
[ 194.048212][ T6461] ? lockdep_hardirqs_on+0x98/0x140
[ 194.048230][ T6461] ? preempt_schedule+0xae/0xc0
[ 194.048267][ T6461] gfs2_withdraw+0xc3/0x1b0
[ 194.048288][ T6461] inode_go_instantiate+0xdd0/0x1210
[ 194.048328][ T6461] ? __pfx_inode_go_instantiate+0x10/0x10
[ 194.048361][ T6461] ? gfs2_glock_nq+0xedd/0x15f0
[ 194.048389][ T6461] gfs2_instantiate+0x168/0x220
[ 194.048412][ T6461] gfs2_glock_wait+0x1d4/0x2a0
[ 194.048436][ T6461] do_sync+0x46f/0xc60
[ 194.048459][ T6461] ? _raw_spin_unlock+0x28/0x50
[ 194.048483][ T6461] ? gfs2_quota_sync+0x359/0x460
[ 194.048518][ T6461] ? __pfx_do_sync+0x10/0x10
[ 194.048554][ T6461] ? gfs2_quota_sync+0x359/0x460
[ 194.048580][ T6461] ? do_raw_spin_unlock+0x122/0x240
[ 194.048608][ T6461] gfs2_quota_sync+0x359/0x460
[ 194.048641][ T6461] gfs2_quotad+0x3d5/0x930
[ 194.048680][ T6461] ? __pfx_gfs2_quotad+0x10/0x10
[ 194.048707][ T6461] ? __kthread_parkme+0x7b/0x200
[ 194.048736][ T6461] ? __kthread_parkme+0x1a1/0x200
[ 194.048763][ T6461] kthread+0x711/0x8a0
[ 194.048788][ T6461] ? __pfx_gfs2_quotad+0x10/0x10
[ 194.048809][ T6461] ? __pfx_kthread+0x10/0x10
[ 194.048833][ T6461] ? _raw_spin_unlock_irq+0x23/0x50
[ 194.048856][ T6461] ? lockdep_hardirqs_on+0x98/0x140
[ 194.048870][ T6461] ? __pfx_kthread+0x10/0x10
[ 194.048893][ T6461] ret_from_fork+0x599/0xb30
[ 194.048913][ T6461] ? __pfx_ret_from_fork+0x10/0x10
[ 194.048942][ T6461] ? __switch_to_asm+0x39/0x70
[ 194.048962][ T6461] ? __switch_to_asm+0x33/0x70
[ 194.048981][ T6461] ? __pfx_kthread+0x10/0x10
[ 194.049003][ T6461] ret_from_fork_asm+0x1a/0x30
[ 194.049043][ T6461]
[ 194.056967][ T6459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 194.136661][ T6443] gfs2: fsid=syz:syz.0: can't make FS RW: -5
[ 194.137540][ T6459] CPU: 0 UID: 0 PID: 6459 Comm: syz.1.97 Not tainted syzkaller #0 PREEMPT(full)
[ 194.137563][ T6459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 194.137573][ T6459] Call Trace:
[ 194.137580][ T6459]
[ 194.137588][ T6459] dump_stack_lvl+0x189/0x250
[ 194.137618][ T6459] ? __pfx_dump_stack_lvl+0x10/0x10
[ 194.137639][ T6459] ? __pfx__printk+0x10/0x10
[ 194.137669][ T6459] ? kernfs_path_from_node+0x250/0x290
[ 194.137687][ T6459] ? kernfs_path_from_node+0x2f/0x290
[ 194.137709][ T6459] sysfs_create_dir_ns+0x259/0x280
[ 194.137731][ T6459] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 194.137758][ T6459] ? do_raw_spin_unlock+0x122/0x240
[ 194.137787][ T6459] kobject_add_internal+0x6ab/0xcc0
[ 194.137815][ T6459] kobject_init_and_add+0x125/0x190
[ 194.137839][ T6459] ? __pfx_kobject_init_and_add+0x10/0x10
[ 194.137860][ T6459] ? __raw_spin_lock_init+0x45/0x100
[ 194.137884][ T6459] ? __init_swait_queue_head+0xa9/0x150
[ 194.137911][ T6459] gfs2_sys_fs_add+0x234/0x450
[ 194.137936][ T6459] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 194.137967][ T6459] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 194.138004][ T6459] gfs2_fill_super+0x1388/0x21b0
[ 194.138036][ T6459] ? __pfx_gfs2_fill_super+0x10/0x10
[ 194.138058][ T6459] ? sb_set_blocksize+0x155/0x240
[ 194.138078][ T6459] ? setup_bdev_super+0x4c1/0x5b0
[ 194.138100][ T6459] get_tree_bdev_flags+0x40e/0x4d0
[ 194.138118][ T6459] ? __pfx_gfs2_fill_super+0x10/0x10
[ 194.138134][ T6459] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 194.138149][ T6459] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 194.138185][ T6459] gfs2_get_tree+0x51/0x1e0
[ 194.138205][ T6459] vfs_get_tree+0x92/0x2a0
[ 194.138225][ T6459] do_new_mount+0x302/0xa10
[ 194.138243][ T6459] ? apparmor_capable+0x137/0x1a0
[ 194.138271][ T6459] ? __pfx_do_new_mount+0x10/0x10
[ 194.138292][ T6459] ? ns_capable+0x8a/0xf0
[ 194.138313][ T6459] ? kmem_cache_free+0x197/0x620
[ 194.138342][ T6459] __se_sys_mount+0x313/0x410
[ 194.138369][ T6459] ? __pfx___se_sys_mount+0x10/0x10
[ 194.138394][ T6459] ? do_syscall_64+0xbe/0xf80
[ 194.138409][ T6459] ? __x64_sys_mount+0x20/0xc0
[ 194.138432][ T6459] do_syscall_64+0xfa/0xf80
[ 194.138449][ T6459] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 194.138466][ T6459] ? clear_bhb_loop+0x60/0xb0
[ 194.138486][ T6459] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 194.138502][ T6459] RIP: 0033:0x7fce1b590eea
[ 194.138520][ T6459] 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
[ 194.138534][ T6459] RSP: 002b:00007fce1abfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 194.138554][ T6459] RAX: ffffffffffffffda RBX: 00007fce1abfdef0 RCX: 00007fce1b590eea
[ 194.138567][ T6459] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fce1abfdeb0
[ 194.138579][ T6459] RBP: 00002000000124c0 R08: 00007fce1abfdef0 R09: 0000000000000000
[ 194.138590][ T6459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 194.138602][ T6459] R13: 00007fce1abfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[ 194.138632][ T6459]
[ 194.138658][ T6459] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 194.748853][ T6459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 194.768475][ T1297] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.775051][ T1297] ieee802154 phy1 wpan1: encryption failed: -22
[ 195.298728][ C1] ==================================================================
[ 195.306953][ C1] BUG: KASAN: slab-use-after-free in gfs2_qd_dealloc+0x81/0xe0
[ 195.314538][ C1] Write of size 4 at addr ffff88807cd90b68 by task syz.1.97/6459
[ 195.322277][ C1]
[ 195.324635][ C1] CPU: 1 UID: 0 PID: 6459 Comm: syz.1.97 Not tainted syzkaller #0 PREEMPT(full)
[ 195.324659][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 195.324670][ C1] Call Trace:
[ 195.324678][ C1]
[ 195.324686][ C1] dump_stack_lvl+0x189/0x250
[ 195.324712][ C1] ? __kasan_check_byte+0x12/0x40
[ 195.324736][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 195.324759][ C1] ? lock_release+0x4b/0x3b0
[ 195.324782][ C1] ? __virt_addr_valid+0x4a5/0x5c0
[ 195.324809][ C1] print_report+0xca/0x240
[ 195.324829][ C1] ? gfs2_qd_dealloc+0x81/0xe0
[ 195.324854][ C1] kasan_report+0x118/0x150
[ 195.324875][ C1] ? kasan_quarantine_put+0xdd/0x220
[ 195.324896][ C1] ? gfs2_qd_dealloc+0x81/0xe0
[ 195.324923][ C1] ? rcu_core+0xcfc/0x1870
[ 195.324943][ C1] kasan_check_range+0x2b0/0x2c0
[ 195.324965][ C1] ? __pfx_gfs2_qd_dealloc+0x10/0x10
[ 195.324989][ C1] ? rcu_core+0xcfc/0x1870
[ 195.325009][ C1] gfs2_qd_dealloc+0x81/0xe0
[ 195.325035][ C1] rcu_core+0xd70/0x1870
[ 195.325063][ C1] ? __pfx_rcu_core+0x10/0x10
[ 195.325084][ C1] ? ktime_get+0x45/0x200
[ 195.325113][ C1] ? kvm_sched_clock_read+0x11/0x20
[ 195.325140][ C1] ? sched_clock_cpu+0x74/0x430
[ 195.325161][ C1] ? ktime_get+0x45/0x200
[ 195.325185][ C1] ? seqcount_lockdep_reader_access+0x15e/0x1c0
[ 195.325212][ C1] ? __pfx_sched_clock_cpu+0x10/0x10
[ 195.325230][ C1] ? __local_bh_disable_ip+0xf1/0x190
[ 195.325250][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 195.325276][ C1] handle_softirqs+0x27d/0x850
[ 195.325297][ C1] ? __irq_exit_rcu+0xca/0x1f0
[ 195.325320][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 195.325341][ C1] __irq_exit_rcu+0xca/0x1f0
[ 195.325359][ C1] ? __pfx___irq_exit_rcu+0x10/0x10
[ 195.325382][ C1] irq_exit_rcu+0x9/0x30
[ 195.325400][ C1] sysvec_apic_timer_interrupt+0xa6/0xc0
[ 195.325428][ C1]
[ 195.325435][ C1]
[ 195.325442][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 195.325471][ C1] RIP: 0010:lock_is_held_type+0x68/0x190
[ 195.325490][ C1] Code: 00 00 65 4c 8b 2c 25 08 90 7e 92 41 83 bd 2c 0b 00 00 00 0f 85 d8 00 00 00 89 f5 49 89 fe 48 c7 04 24 00 00 00 00 9c 8f 04 24 <4c> 8b 24 24 fa 48 c7 c7 93 5c 7a 8d e8 67 1a 00 00 65 ff 05 f0 80
[ 195.325507][ C1] RSP: 0018:ffffc90004bef978 EFLAGS: 00000246
[ 195.325527][ C1] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffff88803060bd00
[ 195.325542][ C1] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8df41aa0
[ 195.325555][ C1] RBP: 00000000ffffffff R08: ffff88803060bd07 R09: 1ffff110060c17a0
[ 195.325570][ C1] R10: dffffc0000000000 R11: ffffed10060c17a1 R12: 0000000000000000
[ 195.325584][ C1] R13: ffff88803060bd00 R14: ffffffff8df41aa0 R15: 0000200000995000
[ 195.325609][ C1] __might_resched+0xf5/0x610
[ 195.325632][ C1] ? follow_page_pte+0xd03/0x13e0
[ 195.325658][ C1] ? __pfx___might_resched+0x10/0x10
[ 195.325680][ C1] ? __pfx_follow_page_pte+0x10/0x10
[ 195.325704][ C1] ? vma_is_secretmem+0xd/0x50
[ 195.325725][ C1] __get_user_pages+0x5aa/0x29f0
[ 195.325761][ C1] populate_vma_page_range+0x29f/0x3a0
[ 195.325787][ C1] ? __pfx_populate_vma_page_range+0x10/0x10
[ 195.325813][ C1] ? down_read+0x274/0x2e0
[ 195.325831][ C1] ? __mm_populate+0x160/0x380
[ 195.325854][ C1] __mm_populate+0x24c/0x380
[ 195.325879][ C1] ? __pfx___mm_populate+0x10/0x10
[ 195.325905][ C1] vm_mmap_pgoff+0x387/0x4d0
[ 195.325927][ C1] ? __se_sys_futex+0x36f/0x400
[ 195.325949][ C1] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 195.325970][ C1] ? fput_close_sync+0x113/0x220
[ 195.325995][ C1] ? __pfx___se_sys_futex+0x10/0x10
[ 195.326018][ C1] ? ksys_mmap_pgoff+0xf4/0x760
[ 195.326044][ C1] ? __x64_sys_mmap+0x7f/0x140
[ 195.326065][ C1] do_syscall_64+0xfa/0xf80
[ 195.326083][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 195.326101][ C1] ? clear_bhb_loop+0x60/0xb0
[ 195.326122][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 195.326140][ C1] RIP: 0033:0x7fce1b58f749
[ 195.326156][ C1] 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
[ 195.326172][ C1] RSP: 002b:00007fce1abfe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 195.326191][ C1] RAX: ffffffffffffffda RBX: 00007fce1b7e5fa0 RCX: 00007fce1b58f749
[ 195.326204][ C1] RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000
[ 195.326218][ C1] RBP: 00007fce1b613f91 R08: ffffffffffffffff R09: 0000000000000000
[ 195.326232][ C1] R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
[ 195.326244][ C1] R13: 00007fce1b7e6038 R14: 00007fce1b7e5fa0 R15: 00007ffd145c8448
[ 195.326265][ C1]
[ 195.326273][ C1]
[ 195.785767][ C1] Allocated by task 6443:
[ 195.790095][ C1] kasan_save_track+0x3e/0x80
[ 195.794777][ C1] __kasan_kmalloc+0x93/0xb0
[ 195.799373][ C1] __kmalloc_cache_noprof+0x3e2/0x700
[ 195.804926][ C1] gfs2_fill_super+0x11f/0x21b0
[ 195.809948][ C1] get_tree_bdev_flags+0x40e/0x4d0
[ 195.815069][ C1] gfs2_get_tree+0x51/0x1e0
[ 195.819749][ C1] vfs_get_tree+0x92/0x2a0
[ 195.824424][ C1] do_new_mount+0x302/0xa10
[ 195.828934][ C1] __se_sys_mount+0x313/0x410
[ 195.833877][ C1] do_syscall_64+0xfa/0xf80
[ 195.838387][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 195.844280][ C1]
[ 195.846603][ C1] Freed by task 6443:
[ 195.850575][ C1] kasan_save_track+0x3e/0x80
[ 195.855355][ C1] kasan_save_free_info+0x46/0x50
[ 195.860390][ C1] __kasan_slab_free+0x5c/0x80
[ 195.865156][ C1] kfree+0x1c0/0x660
[ 195.869053][ C1] gfs2_fill_super+0x14ef/0x21b0
[ 195.873987][ C1] get_tree_bdev_flags+0x40e/0x4d0
[ 195.879098][ C1] gfs2_get_tree+0x51/0x1e0
[ 195.883596][ C1] vfs_get_tree+0x92/0x2a0
[ 195.888007][ C1] do_new_mount+0x302/0xa10
[ 195.892513][ C1] __se_sys_mount+0x313/0x410
[ 195.897188][ C1] do_syscall_64+0xfa/0xf80
[ 195.901695][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 195.907591][ C1]
[ 195.909914][ C1] The buggy address belongs to the object at ffff88807cd90000
[ 195.909914][ C1] which belongs to the cache kmalloc-8k of size 8192
[ 195.924148][ C1] The buggy address is located 2920 bytes inside of
[ 195.924148][ C1] freed 8192-byte region [ffff88807cd90000, ffff88807cd92000)
[ 195.938126][ C1]
[ 195.940477][ C1] The buggy address belongs to the physical page:
[ 195.946894][ C1] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7cd90
[ 195.955664][ C1] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 195.964249][ C1] anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
[ 195.972318][ C1] page_type: f5(slab)
[ 195.976305][ C1] raw: 00fff00000000040 ffff88813fe27280 ffffea0001e9d400 dead000000000005
[ 195.984885][ C1] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 195.993481][ C1] head: 00fff00000000040 ffff88813fe27280 ffffea0001e9d400 dead000000000005
[ 196.002152][ C1] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 196.010821][ C1] head: 00fff00000000003 ffffea0001f36401 00000000ffffffff 00000000ffffffff
[ 196.019509][ C1] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[ 196.028173][ C1] page dumped because: kasan: bad access detected
[ 196.034582][ C1] page_owner tracks the page as allocated
[ 196.040382][ C1] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5201, tgid 5201 (S10udev), ts 32320502644, free_ts 29540791036
[ 196.060529][ C1] post_alloc_hook+0x234/0x290
[ 196.065295][ C1] get_page_from_freelist+0x2365/0x2440
[ 196.070935][ C1] __alloc_frozen_pages_noprof+0x181/0x370
[ 196.076737][ C1] alloc_pages_mpol+0x232/0x4a0
[ 196.081671][ C1] allocate_slab+0x86/0x3b0
[ 196.086176][ C1] ___slab_alloc+0xf2b/0x1960
[ 196.090853][ C1] __slab_alloc+0x65/0x100
[ 196.095268][ C1] __kmalloc_cache_noprof+0x41e/0x700
[ 196.100633][ C1] tomoyo_init_log+0x111f/0x1f70
[ 196.105575][ C1] tomoyo_supervisor+0x340/0x1480
[ 196.110601][ C1] tomoyo_env_perm+0x149/0x1e0
[ 196.115369][ C1] tomoyo_find_next_domain+0x15ce/0x1aa0
[ 196.121006][ C1] tomoyo_bprm_check_security+0x11c/0x180
[ 196.126728][ C1] security_bprm_check+0x89/0x270
[ 196.131753][ C1] bprm_execve+0x887/0x1400
[ 196.136252][ C1] do_execveat_common+0x510/0x6a0
[ 196.141272][ C1] page last free pid 1 tgid 1 stack trace:
[ 196.147072][ C1] __free_frozen_pages+0xbc8/0xd30
[ 196.152179][ C1] free_contig_range+0x1bd/0x490
[ 196.157115][ C1] destroy_args+0x69/0x660
[ 196.161529][ C1] debug_vm_pgtable+0x38f/0x3a0
[ 196.166373][ C1] do_one_initcall+0x1fb/0x820
[ 196.171142][ C1] do_initcall_level+0x104/0x190
[ 196.176082][ C1] do_initcalls+0x59/0xa0
[ 196.180413][ C1] kernel_init_freeable+0x334/0x4b0
[ 196.185616][ C1] kernel_init+0x1d/0x1d0
[ 196.189952][ C1] ret_from_fork+0x599/0xb30
[ 196.194545][ C1] ret_from_fork_asm+0x1a/0x30
[ 196.199311][ C1]
[ 196.201636][ C1] Memory state around the buggy address:
[ 196.207258][ C1] ffff88807cd90a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 196.215317][ C1] ffff88807cd90a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 196.223377][ C1] >ffff88807cd90b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 196.231436][ C1] ^
[ 196.238898][ C1] ffff88807cd90b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 196.247062][ C1] ffff88807cd90c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 196.255121][ C1] ==================================================================
[ 196.263264][ C1] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 196.270554][ C1] CPU: 1 UID: 0 PID: 6459 Comm: syz.1.97 Not tainted syzkaller #0 PREEMPT(full)
[ 196.279690][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 196.289778][ C1] Call Trace:
[ 196.293094][ C1]
[ 196.295961][ C1] dump_stack_lvl+0x99/0x250
[ 196.300667][ C1] ? __asan_memcpy+0x40/0x70
[ 196.305278][ C1] ? __pfx_dump_stack_lvl+0x10/0x10
[ 196.310502][ C1] ? __pfx__printk+0x10/0x10
[ 196.315124][ C1] vpanic+0x237/0x6d0
[ 196.319133][ C1] ? __pfx_vpanic+0x10/0x10
[ 196.323676][ C1] panic+0xb9/0xc0
[ 196.327459][ C1] ? __pfx_panic+0x10/0x10
[ 196.331905][ C1] ? _raw_spin_unlock_irqrestore+0xa8/0x110
[ 196.337841][ C1] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 196.343786][ C1] ? gfs2_qd_dealloc+0x81/0xe0
[ 196.348592][ C1] check_panic_on_warn+0x89/0xb0
[ 196.353578][ C1] ? gfs2_qd_dealloc+0x81/0xe0
[ 196.358387][ C1] end_report+0x6f/0x140
[ 196.362676][ C1] kasan_report+0x129/0x150
[ 196.367223][ C1] ? kasan_quarantine_put+0xdd/0x220
[ 196.372537][ C1] ? gfs2_qd_dealloc+0x81/0xe0
[ 196.377340][ C1] ? rcu_core+0xcfc/0x1870
[ 196.381789][ C1] kasan_check_range+0x2b0/0x2c0
[ 196.386773][ C1] ? __pfx_gfs2_qd_dealloc+0x10/0x10
[ 196.392091][ C1] ? rcu_core+0xcfc/0x1870
[ 196.396535][ C1] gfs2_qd_dealloc+0x81/0xe0
[ 196.401155][ C1] rcu_core+0xd70/0x1870
[ 196.405693][ C1] ? __pfx_rcu_core+0x10/0x10
[ 196.410400][ C1] ? ktime_get+0x45/0x200
[ 196.414766][ C1] ? kvm_sched_clock_read+0x11/0x20
[ 196.420006][ C1] ? sched_clock_cpu+0x74/0x430
[ 196.424887][ C1] ? ktime_get+0x45/0x200
[ 196.429245][ C1] ? seqcount_lockdep_reader_access+0x15e/0x1c0
[ 196.435513][ C1] ? __pfx_sched_clock_cpu+0x10/0x10
[ 196.440823][ C1] ? __local_bh_disable_ip+0xf1/0x190
[ 196.446225][ C1] ? __pfx___local_bh_disable_ip+0x10/0x10
[ 196.452074][ C1] handle_softirqs+0x27d/0x850
[ 196.456869][ C1] ? __irq_exit_rcu+0xca/0x1f0
[ 196.461664][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 196.467008][ C1] __irq_exit_rcu+0xca/0x1f0
[ 196.471622][ C1] ? __pfx___irq_exit_rcu+0x10/0x10
[ 196.476945][ C1] irq_exit_rcu+0x9/0x30
[ 196.481228][ C1] sysvec_apic_timer_interrupt+0xa6/0xc0
[ 196.486917][ C1]
[ 196.489967][ C1]
[ 196.492921][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 196.498931][ C1] RIP: 0010:lock_is_held_type+0x68/0x190
[ 196.504592][ C1] Code: 00 00 65 4c 8b 2c 25 08 90 7e 92 41 83 bd 2c 0b 00 00 00 0f 85 d8 00 00 00 89 f5 49 89 fe 48 c7 04 24 00 00 00 00 9c 8f 04 24 <4c> 8b 24 24 fa 48 c7 c7 93 5c 7a 8d e8 67 1a 00 00 65 ff 05 f0 80
[ 196.524228][ C1] RSP: 0018:ffffc90004bef978 EFLAGS: 00000246
[ 196.530332][ C1] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffff88803060bd00
[ 196.538335][ C1] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8df41aa0
[ 196.546344][ C1] RBP: 00000000ffffffff R08: ffff88803060bd07 R09: 1ffff110060c17a0
[ 196.554356][ C1] R10: dffffc0000000000 R11: ffffed10060c17a1 R12: 0000000000000000
[ 196.562354][ C1] R13: ffff88803060bd00 R14: ffffffff8df41aa0 R15: 0000200000995000
[ 196.570367][ C1] __might_resched+0xf5/0x610
[ 196.575080][ C1] ? follow_page_pte+0xd03/0x13e0
[ 196.580138][ C1] ? __pfx___might_resched+0x10/0x10
[ 196.585451][ C1] ? __pfx_follow_page_pte+0x10/0x10
[ 196.590769][ C1] ? vma_is_secretmem+0xd/0x50
[ 196.595571][ C1] __get_user_pages+0x5aa/0x29f0
[ 196.600574][ C1] populate_vma_page_range+0x29f/0x3a0
[ 196.606077][ C1] ? __pfx_populate_vma_page_range+0x10/0x10
[ 196.612093][ C1] ? down_read+0x274/0x2e0
[ 196.616535][ C1] ? __mm_populate+0x160/0x380
[ 196.621334][ C1] __mm_populate+0x24c/0x380
[ 196.625954][ C1] ? __pfx___mm_populate+0x10/0x10
[ 196.631100][ C1] vm_mmap_pgoff+0x387/0x4d0
[ 196.635847][ C1] ? __se_sys_futex+0x36f/0x400
[ 196.640737][ C1] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 196.645890][ C1] ? fput_close_sync+0x113/0x220
[ 196.650866][ C1] ? __pfx___se_sys_futex+0x10/0x10
[ 196.656099][ C1] ? ksys_mmap_pgoff+0xf4/0x760
[ 196.660996][ C1] ? __x64_sys_mmap+0x7f/0x140
[ 196.665793][ C1] do_syscall_64+0xfa/0xf80
[ 196.670319][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 196.676414][ C1] ? clear_bhb_loop+0x60/0xb0
[ 196.681123][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 196.687035][ C1] RIP: 0033:0x7fce1b58f749
[ 196.691471][ C1] 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
[ 196.711107][ C1] RSP: 002b:00007fce1abfe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 196.719558][ C1] RAX: ffffffffffffffda RBX: 00007fce1b7e5fa0 RCX: 00007fce1b58f749
[ 196.727561][ C1] RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000
[ 196.735557][ C1] RBP: 00007fce1b613f91 R08: ffffffffffffffff R09: 0000000000000000
[ 196.743562][ C1] R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
[ 196.751560][ C1] R13: 00007fce1b7e6038 R14: 00007fce1b7e5fa0 R15: 00007ffd145c8448
[ 196.759581][ C1]
[ 196.762942][ C1] Kernel Offset: disabled
[ 196.767284][ C1] Rebooting in 86400 seconds..