cted capacity change from 0 to 32768
[ 424.880487][ T8919] loop4: detected capacity change from 0 to 32768
[ 424.916946][ T8914] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 424.947698][ T8921] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 424.967781][ T8919] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 424.993599][ T8914] CPU: 1 UID: 0 PID: 8914 Comm: syz.1.485 Not tainted syzkaller #0 PREEMPT(full)
[ 424.993627][ T8914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 424.993638][ T8914] Call Trace:
[ 424.993645][ T8914]
[ 424.993654][ T8914] dump_stack_lvl+0x189/0x250
[ 424.993696][ T8914] ? __pfx_dump_stack_lvl+0x10/0x10
[ 424.993721][ T8914] ? __pfx__printk+0x10/0x10
[ 424.993748][ T8914] ? kernfs_path_from_node+0x250/0x290
[ 424.993767][ T8914] ? kernfs_path_from_node+0x2f/0x290
[ 424.993792][ T8914] sysfs_create_dir_ns+0x259/0x280
[ 424.993817][ T8914] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 424.993839][ T8914] ? do_raw_spin_unlock+0x122/0x240
[ 424.993863][ T8914] kobject_add_internal+0x59f/0xb70
[ 424.993898][ T8914] kobject_init_and_add+0x125/0x190
[ 424.993928][ T8914] ? __pfx_kobject_init_and_add+0x10/0x10
[ 424.993955][ T8914] ? __raw_spin_lock_init+0x45/0x100
[ 424.993976][ T8914] ? __init_swait_queue_head+0xa9/0x150
[ 424.994006][ T8914] gfs2_sys_fs_add+0x234/0x450
[ 424.994029][ T8914] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 424.994055][ T8914] ? is_dynamic_key+0xd6/0x1c0
[ 424.994075][ T8914] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 424.994108][ T8914] gfs2_fill_super+0x13d1/0x2270
[ 424.994149][ T8914] ? __pfx_gfs2_fill_super+0x10/0x10
[ 424.994177][ T8914] ? sb_set_blocksize+0x104/0x180
[ 424.994207][ T8914] ? setup_bdev_super+0x4c1/0x5b0
[ 424.994234][ T8914] get_tree_bdev_flags+0x40e/0x4d0
[ 424.994256][ T8914] ? __pfx_gfs2_fill_super+0x10/0x10
[ 424.994279][ T8914] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 424.994299][ T8914] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 424.994328][ T8914] gfs2_get_tree+0x51/0x1e0
[ 424.994355][ T8914] vfs_get_tree+0x92/0x2b0
[ 424.994381][ T8914] do_new_mount+0x302/0xa10
[ 424.994403][ T8914] ? apparmor_capable+0x137/0x1b0
[ 424.994427][ T8914] ? __pfx_do_new_mount+0x10/0x10
[ 424.994450][ T8914] ? ns_capable+0x8a/0xf0
[ 424.994476][ T8914] ? kmem_cache_free+0x19b/0x690
[ 424.994505][ T8914] __se_sys_mount+0x313/0x410
[ 424.994535][ T8914] ? __pfx___se_sys_mount+0x10/0x10
[ 424.994564][ T8914] ? do_syscall_64+0xbe/0xfa0
[ 424.994586][ T8914] ? __x64_sys_mount+0x20/0xc0
[ 424.994611][ T8914] do_syscall_64+0xfa/0xfa0
[ 424.994635][ T8914] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 424.994653][ T8914] ? clear_bhb_loop+0x60/0xb0
[ 424.994681][ T8914] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 424.994698][ T8914] RIP: 0033:0x7f88f099038a
[ 424.994715][ T8914] 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
[ 424.994731][ T8914] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 424.994751][ T8914] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 424.994765][ T8914] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 424.994778][ T8914] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 424.994791][ T8914] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 424.994803][ T8914] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 424.994836][ T8914]
[ 424.994862][ T8914] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 425.024602][ T8919] CPU: 0 UID: 0 PID: 8919 Comm: syz.4.484 Not tainted syzkaller #0 PREEMPT(full)
[ 425.024631][ T8919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 425.024642][ T8919] Call Trace:
[ 425.024651][ T8919]
[ 425.024659][ T8919] dump_stack_lvl+0x189/0x250
[ 425.024692][ T8919] ? __pfx_dump_stack_lvl+0x10/0x10
[ 425.024718][ T8919] ? __pfx__printk+0x10/0x10
[ 425.024744][ T8919] ? kernfs_path_from_node+0x250/0x290
[ 425.024764][ T8919] ? kernfs_path_from_node+0x2f/0x290
[ 425.024793][ T8919] sysfs_create_dir_ns+0x259/0x280
[ 425.024816][ T8919] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 425.024838][ T8919] ? do_raw_spin_unlock+0x122/0x240
[ 425.024861][ T8919] kobject_add_internal+0x59f/0xb70
[ 425.024895][ T8919] kobject_init_and_add+0x125/0x190
[ 425.024932][ T8919] ? __pfx_kobject_init_and_add+0x10/0x10
[ 425.024959][ T8919] ? __raw_spin_lock_init+0x45/0x100
[ 425.024979][ T8919] ? __init_swait_queue_head+0xa9/0x150
[ 425.025009][ T8919] gfs2_sys_fs_add+0x234/0x450
[ 425.025031][ T8919] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 425.025056][ T8919] ? is_dynamic_key+0xd6/0x1c0
[ 425.025076][ T8919] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 425.025108][ T8919] gfs2_fill_super+0x13d1/0x2270
[ 425.025148][ T8919] ? __pfx_gfs2_fill_super+0x10/0x10
[ 425.025176][ T8919] ? sb_set_blocksize+0x104/0x180
[ 425.025204][ T8919] ? setup_bdev_super+0x4c1/0x5b0
[ 425.025230][ T8919] get_tree_bdev_flags+0x40e/0x4d0
[ 425.025250][ T8919] ? __pfx_gfs2_fill_super+0x10/0x10
[ 425.025274][ T8919] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 425.025293][ T8919] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 425.025321][ T8919] gfs2_get_tree+0x51/0x1e0
[ 425.025347][ T8919] vfs_get_tree+0x92/0x2b0
[ 425.025371][ T8919] do_new_mount+0x302/0xa10
[ 425.025391][ T8919] ? apparmor_capable+0x137/0x1b0
[ 425.025416][ T8919] ? __pfx_do_new_mount+0x10/0x10
[ 425.025439][ T8919] ? ns_capable+0x8a/0xf0
[ 425.025464][ T8919] ? kmem_cache_free+0x19b/0x690
[ 425.025493][ T8919] __se_sys_mount+0x313/0x410
[ 425.025523][ T8919] ? __pfx___se_sys_mount+0x10/0x10
[ 425.025550][ T8919] ? do_syscall_64+0xbe/0xfa0
[ 425.025572][ T8919] ? __x64_sys_mount+0x20/0xc0
[ 425.025597][ T8919] do_syscall_64+0xfa/0xfa0
[ 425.025620][ T8919] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 425.025637][ T8919] ? clear_bhb_loop+0x60/0xb0
[ 425.025659][ T8919] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 425.025675][ T8919] RIP: 0033:0x7f1692b9038a
[ 425.025692][ T8919] 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
[ 425.025708][ T8919] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 425.025728][ T8919] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 425.025741][ T8919] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 425.025753][ T8919] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 425.025766][ T8919] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 425.025777][ T8919] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 425.025802][ T8919]
[ 425.025851][ T8919] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 425.025867][ T8919] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 425.287047][ T8921] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 425.293117][ T8914] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 425.753386][ T793] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 425.793295][ T793] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 425.913554][ T8925] loop3: detected capacity change from 0 to 32768
[ 425.975170][ T8925] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 425.982674][ T8925] CPU: 1 UID: 0 PID: 8925 Comm: syz.3.487 Not tainted syzkaller #0 PREEMPT(full)
[ 425.982699][ T8925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 425.982711][ T8925] Call Trace:
[ 425.982719][ T8925]
[ 425.982727][ T8925] dump_stack_lvl+0x189/0x250
[ 425.982761][ T8925] ? __pfx_dump_stack_lvl+0x10/0x10
[ 425.982787][ T8925] ? __pfx__printk+0x10/0x10
[ 425.982813][ T8925] ? kernfs_path_from_node+0x250/0x290
[ 425.982833][ T8925] ? kernfs_path_from_node+0x2f/0x290
[ 425.982856][ T8925] sysfs_create_dir_ns+0x259/0x280
[ 425.982879][ T8925] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 425.982908][ T8925] ? do_raw_spin_unlock+0x122/0x240
[ 425.982933][ T8925] kobject_add_internal+0x59f/0xb70
[ 425.982969][ T8925] kobject_init_and_add+0x125/0x190
[ 425.983001][ T8925] ? __pfx_kobject_init_and_add+0x10/0x10
[ 425.983027][ T8925] ? __raw_spin_lock_init+0x45/0x100
[ 425.983046][ T8925] ? __init_swait_queue_head+0xa9/0x150
[ 425.983075][ T8925] gfs2_sys_fs_add+0x234/0x450
[ 425.983098][ T8925] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 425.983124][ T8925] ? is_dynamic_key+0xd6/0x1c0
[ 425.983143][ T8925] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 425.983173][ T8925] gfs2_fill_super+0x13d1/0x2270
[ 425.983213][ T8925] ? __pfx_gfs2_fill_super+0x10/0x10
[ 425.983239][ T8925] ? sb_set_blocksize+0x104/0x180
[ 425.983268][ T8925] ? setup_bdev_super+0x4c1/0x5b0
[ 425.983293][ T8925] get_tree_bdev_flags+0x40e/0x4d0
[ 425.983314][ T8925] ? __pfx_gfs2_fill_super+0x10/0x10
[ 425.983336][ T8925] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 425.983356][ T8925] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 425.983384][ T8925] gfs2_get_tree+0x51/0x1e0
[ 425.983411][ T8925] vfs_get_tree+0x92/0x2b0
[ 425.983435][ T8925] do_new_mount+0x302/0xa10
[ 425.983456][ T8925] ? apparmor_capable+0x137/0x1b0
[ 425.983481][ T8925] ? __pfx_do_new_mount+0x10/0x10
[ 425.983503][ T8925] ? ns_capable+0x8a/0xf0
[ 425.983528][ T8925] ? kmem_cache_free+0x19b/0x690
[ 425.983558][ T8925] __se_sys_mount+0x313/0x410
[ 425.983589][ T8925] ? __pfx___se_sys_mount+0x10/0x10
[ 425.983617][ T8925] ? do_syscall_64+0xbe/0xfa0
[ 425.983639][ T8925] ? __x64_sys_mount+0x20/0xc0
[ 425.983664][ T8925] do_syscall_64+0xfa/0xfa0
[ 425.983686][ T8925] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 425.983704][ T8925] ? clear_bhb_loop+0x60/0xb0
[ 425.983725][ T8925] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 425.983741][ T8925] RIP: 0033:0x7fc3ca99038a
[ 425.983759][ T8925] 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
[ 425.983775][ T8925] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 425.983796][ T8925] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 425.983810][ T8925] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 425.983822][ T8925] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 425.983834][ T8925] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 425.983845][ T8925] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 425.983877][ T8925]
[ 426.377349][ T8925] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 426.462707][ T8925] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 426.518867][ T793] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 725ms
[ 426.526680][ T793] gfs2: fsid=syz:syz.0: jid=0: Done
[ 426.532166][ T8921] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 426.731412][ T8933] loop0: detected capacity change from 0 to 32768
[ 426.774329][ T8933] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 426.802932][ T8933] CPU: 1 UID: 0 PID: 8933 Comm: syz.0.488 Not tainted syzkaller #0 PREEMPT(full)
[ 426.802958][ T8933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 426.802970][ T8933] Call Trace:
[ 426.802979][ T8933]
[ 426.802987][ T8933] dump_stack_lvl+0x189/0x250
[ 426.803020][ T8933] ? __pfx_dump_stack_lvl+0x10/0x10
[ 426.803046][ T8933] ? __pfx__printk+0x10/0x10
[ 426.803073][ T8933] ? kernfs_path_from_node+0x250/0x290
[ 426.803094][ T8933] ? kernfs_path_from_node+0x2f/0x290
[ 426.803118][ T8933] sysfs_create_dir_ns+0x259/0x280
[ 426.803142][ T8933] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 426.803165][ T8933] ? do_raw_spin_unlock+0x122/0x240
[ 426.803191][ T8933] kobject_add_internal+0x59f/0xb70
[ 426.803222][ T8933] kobject_init_and_add+0x125/0x190
[ 426.803250][ T8933] ? __pfx_kobject_init_and_add+0x10/0x10
[ 426.803275][ T8933] ? __raw_spin_lock_init+0x45/0x100
[ 426.803294][ T8933] ? __init_swait_queue_head+0xa9/0x150
[ 426.803324][ T8933] gfs2_sys_fs_add+0x234/0x450
[ 426.803347][ T8933] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 426.803372][ T8933] ? is_dynamic_key+0xd6/0x1c0
[ 426.803391][ T8933] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 426.803423][ T8933] gfs2_fill_super+0x13d1/0x2270
[ 426.803461][ T8933] ? __pfx_gfs2_fill_super+0x10/0x10
[ 426.803490][ T8933] ? sb_set_blocksize+0x104/0x180
[ 426.803517][ T8933] ? setup_bdev_super+0x4c1/0x5b0
[ 426.803542][ T8933] get_tree_bdev_flags+0x40e/0x4d0
[ 426.803564][ T8933] ? __pfx_gfs2_fill_super+0x10/0x10
[ 426.803587][ T8933] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 426.803607][ T8933] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 426.803634][ T8933] gfs2_get_tree+0x51/0x1e0
[ 426.803660][ T8933] vfs_get_tree+0x92/0x2b0
[ 426.803685][ T8933] do_new_mount+0x302/0xa10
[ 426.803707][ T8933] ? apparmor_capable+0x137/0x1b0
[ 426.803730][ T8933] ? __pfx_do_new_mount+0x10/0x10
[ 426.803753][ T8933] ? ns_capable+0x8a/0xf0
[ 426.803785][ T8933] ? kmem_cache_free+0x19b/0x690
[ 426.803817][ T8933] __se_sys_mount+0x313/0x410
[ 426.803848][ T8933] ? __pfx___se_sys_mount+0x10/0x10
[ 426.803877][ T8933] ? do_syscall_64+0xbe/0xfa0
[ 426.803897][ T8933] ? __x64_sys_mount+0x20/0xc0
[ 426.803923][ T8933] do_syscall_64+0xfa/0xfa0
[ 426.803946][ T8933] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 426.803964][ T8933] ? clear_bhb_loop+0x60/0xb0
[ 426.803986][ T8933] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 426.804003][ T8933] RIP: 0033:0x7f089859038a
[ 426.804020][ T8933] 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
[ 426.804035][ T8933] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 426.804055][ T8933] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 426.804069][ T8933] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 426.804082][ T8933] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 426.804094][ T8933] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 426.804106][ T8933] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 426.804138][ T8933]
[ 427.120401][ T8933] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 427.143585][ T8933] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 427.276759][ T8937] loop1: detected capacity change from 0 to 32768
[ 427.343539][ T8937] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 427.351052][ T8937] CPU: 1 UID: 0 PID: 8937 Comm: syz.1.490 Not tainted syzkaller #0 PREEMPT(full)
[ 427.351077][ T8937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 427.351090][ T8937] Call Trace:
[ 427.351098][ T8937]
[ 427.351106][ T8937] dump_stack_lvl+0x189/0x250
[ 427.351140][ T8937] ? __pfx_dump_stack_lvl+0x10/0x10
[ 427.351165][ T8937] ? __pfx__printk+0x10/0x10
[ 427.351190][ T8937] ? kernfs_path_from_node+0x250/0x290
[ 427.351210][ T8937] ? kernfs_path_from_node+0x2f/0x290
[ 427.351234][ T8937] sysfs_create_dir_ns+0x259/0x280
[ 427.351258][ T8937] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 427.351280][ T8937] ? do_raw_spin_unlock+0x122/0x240
[ 427.351304][ T8937] kobject_add_internal+0x59f/0xb70
[ 427.351338][ T8937] kobject_init_and_add+0x125/0x190
[ 427.351368][ T8937] ? __pfx_kobject_init_and_add+0x10/0x10
[ 427.351395][ T8937] ? __raw_spin_lock_init+0x45/0x100
[ 427.351414][ T8937] ? __init_swait_queue_head+0xa9/0x150
[ 427.351444][ T8937] gfs2_sys_fs_add+0x234/0x450
[ 427.351467][ T8937] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 427.351492][ T8937] ? is_dynamic_key+0xd6/0x1c0
[ 427.351512][ T8937] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 427.351544][ T8937] gfs2_fill_super+0x13d1/0x2270
[ 427.351584][ T8937] ? __pfx_gfs2_fill_super+0x10/0x10
[ 427.351612][ T8937] ? sb_set_blocksize+0x104/0x180
[ 427.351641][ T8937] ? setup_bdev_super+0x4c1/0x5b0
[ 427.351667][ T8937] get_tree_bdev_flags+0x40e/0x4d0
[ 427.351688][ T8937] ? __pfx_gfs2_fill_super+0x10/0x10
[ 427.351711][ T8937] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 427.351732][ T8937] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 427.351761][ T8937] gfs2_get_tree+0x51/0x1e0
[ 427.351796][ T8937] vfs_get_tree+0x92/0x2b0
[ 427.351821][ T8937] do_new_mount+0x302/0xa10
[ 427.351842][ T8937] ? apparmor_capable+0x137/0x1b0
[ 427.351867][ T8937] ? __pfx_do_new_mount+0x10/0x10
[ 427.351890][ T8937] ? ns_capable+0x8a/0xf0
[ 427.351915][ T8937] ? kmem_cache_free+0x19b/0x690
[ 427.351945][ T8937] __se_sys_mount+0x313/0x410
[ 427.351976][ T8937] ? __pfx___se_sys_mount+0x10/0x10
[ 427.352008][ T8937] ? do_syscall_64+0xbe/0xfa0
[ 427.352030][ T8937] ? __x64_sys_mount+0x20/0xc0
[ 427.352055][ T8937] do_syscall_64+0xfa/0xfa0
[ 427.352079][ T8937] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 427.352097][ T8937] ? clear_bhb_loop+0x60/0xb0
[ 427.352118][ T8937] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 427.352135][ T8937] RIP: 0033:0x7f88f099038a
[ 427.352152][ T8937] 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
[ 427.352168][ T8937] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 427.352189][ T8937] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 427.352203][ T8937] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 427.352216][ T8937] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 427.352228][ T8937] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 427.352241][ T8937] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 427.352273][ T8937]
[ 427.352300][ T8937] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 427.665560][ T8935] loop4: detected capacity change from 0 to 32768
2025/11/08 13:51:25 executed programs: 486
[ 427.700454][ T8937] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 427.758106][ T8935] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 427.799234][ T8935] CPU: 0 UID: 0 PID: 8935 Comm: syz.4.489 Not tainted syzkaller #0 PREEMPT(full)
[ 427.799261][ T8935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 427.799273][ T8935] Call Trace:
[ 427.799280][ T8935]
[ 427.799289][ T8935] dump_stack_lvl+0x189/0x250
[ 427.799324][ T8935] ? __pfx_dump_stack_lvl+0x10/0x10
[ 427.799349][ T8935] ? __pfx__printk+0x10/0x10
[ 427.799376][ T8935] ? kernfs_path_from_node+0x250/0x290
[ 427.799396][ T8935] ? kernfs_path_from_node+0x2f/0x290
[ 427.799421][ T8935] sysfs_create_dir_ns+0x259/0x280
[ 427.799445][ T8935] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 427.799468][ T8935] ? do_raw_spin_unlock+0x122/0x240
[ 427.799491][ T8935] kobject_add_internal+0x59f/0xb70
[ 427.799527][ T8935] kobject_init_and_add+0x125/0x190
[ 427.799558][ T8935] ? __pfx_kobject_init_and_add+0x10/0x10
[ 427.799585][ T8935] ? __raw_spin_lock_init+0x45/0x100
[ 427.799605][ T8935] ? __init_swait_queue_head+0xa9/0x150
[ 427.799636][ T8935] gfs2_sys_fs_add+0x234/0x450
[ 427.799658][ T8935] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 427.799691][ T8935] ? is_dynamic_key+0xd6/0x1c0
[ 427.799711][ T8935] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 427.799743][ T8935] gfs2_fill_super+0x13d1/0x2270
[ 427.799784][ T8935] ? __pfx_gfs2_fill_super+0x10/0x10
[ 427.799812][ T8935] ? sb_set_blocksize+0x104/0x180
[ 427.799841][ T8935] ? setup_bdev_super+0x4c1/0x5b0
[ 427.799867][ T8935] get_tree_bdev_flags+0x40e/0x4d0
[ 427.799890][ T8935] ? __pfx_gfs2_fill_super+0x10/0x10
[ 427.799913][ T8935] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 427.799933][ T8935] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 427.799962][ T8935] gfs2_get_tree+0x51/0x1e0
[ 427.799989][ T8935] vfs_get_tree+0x92/0x2b0
[ 427.800013][ T8935] do_new_mount+0x302/0xa10
[ 427.800036][ T8935] ? apparmor_capable+0x137/0x1b0
[ 427.800062][ T8935] ? __pfx_do_new_mount+0x10/0x10
[ 427.800085][ T8935] ? ns_capable+0x8a/0xf0
[ 427.800110][ T8935] ? kmem_cache_free+0x19b/0x690
[ 427.800140][ T8935] __se_sys_mount+0x313/0x410
[ 427.800170][ T8935] ? __pfx___se_sys_mount+0x10/0x10
[ 427.800198][ T8935] ? do_syscall_64+0xbe/0xfa0
[ 427.800220][ T8935] ? __x64_sys_mount+0x20/0xc0
[ 427.800245][ T8935] do_syscall_64+0xfa/0xfa0
[ 427.800269][ T8935] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 427.800287][ T8935] ? clear_bhb_loop+0x60/0xb0
[ 427.800309][ T8935] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 427.800326][ T8935] RIP: 0033:0x7f1692b9038a
[ 427.800343][ T8935] 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
[ 427.800358][ T8935] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 427.800379][ T8935] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 427.800393][ T8935] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 427.800407][ T8935] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 427.800420][ T8935] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 427.800432][ T8935] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 427.800465][ T8935]
[ 427.800490][ T8935] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 428.160425][ T8935] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 429.181365][ T8951] loop0: detected capacity change from 0 to 32768
[ 429.242262][ T8951] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 429.268090][ T8951] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 429.320555][ T8951] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 429.346973][ T8950] loop3: detected capacity change from 0 to 32768
[ 429.354858][ T5935] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 429.361706][ T5935] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 429.399280][ T8950] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 429.421650][ T8954] loop1: detected capacity change from 0 to 32768
[ 429.423708][ T8950] CPU: 0 UID: 0 PID: 8950 Comm: syz.3.492 Not tainted syzkaller #0 PREEMPT(full)
[ 429.423733][ T8950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 429.423744][ T8950] Call Trace:
[ 429.423752][ T8950]
[ 429.423760][ T8950] dump_stack_lvl+0x189/0x250
[ 429.423793][ T8950] ? __pfx_dump_stack_lvl+0x10/0x10
[ 429.423818][ T8950] ? __pfx__printk+0x10/0x10
[ 429.423845][ T8950] ? kernfs_path_from_node+0x250/0x290
[ 429.423865][ T8950] ? kernfs_path_from_node+0x2f/0x290
[ 429.423889][ T8950] sysfs_create_dir_ns+0x259/0x280
[ 429.423912][ T8950] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 429.423935][ T8950] ? do_raw_spin_unlock+0x122/0x240
[ 429.423958][ T8950] kobject_add_internal+0x59f/0xb70
[ 429.423992][ T8950] kobject_init_and_add+0x125/0x190
[ 429.424022][ T8950] ? __pfx_kobject_init_and_add+0x10/0x10
[ 429.424049][ T8950] ? __raw_spin_lock_init+0x45/0x100
[ 429.424068][ T8950] ? __init_swait_queue_head+0xa9/0x150
[ 429.424098][ T8950] gfs2_sys_fs_add+0x234/0x450
[ 429.424120][ T8950] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 429.424146][ T8950] ? is_dynamic_key+0xd6/0x1c0
[ 429.424165][ T8950] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 429.424197][ T8950] gfs2_fill_super+0x13d1/0x2270
[ 429.424237][ T8950] ? __pfx_gfs2_fill_super+0x10/0x10
[ 429.424264][ T8950] ? sb_set_blocksize+0x104/0x180
[ 429.424300][ T8950] ? setup_bdev_super+0x4c1/0x5b0
[ 429.424326][ T8950] get_tree_bdev_flags+0x40e/0x4d0
[ 429.424348][ T8950] ? __pfx_gfs2_fill_super+0x10/0x10
[ 429.424372][ T8950] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 429.424392][ T8950] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 429.424420][ T8950] gfs2_get_tree+0x51/0x1e0
[ 429.424446][ T8950] vfs_get_tree+0x92/0x2b0
[ 429.424470][ T8950] do_new_mount+0x302/0xa10
[ 429.424492][ T8950] ? apparmor_capable+0x137/0x1b0
[ 429.424517][ T8950] ? __pfx_do_new_mount+0x10/0x10
[ 429.424539][ T8950] ? ns_capable+0x8a/0xf0
[ 429.424565][ T8950] ? kmem_cache_free+0x19b/0x690
[ 429.424593][ T8950] __se_sys_mount+0x313/0x410
[ 429.424622][ T8950] ? __pfx___se_sys_mount+0x10/0x10
[ 429.424650][ T8950] ? do_syscall_64+0xbe/0xfa0
[ 429.424671][ T8950] ? __x64_sys_mount+0x20/0xc0
[ 429.424696][ T8950] do_syscall_64+0xfa/0xfa0
[ 429.424728][ T8950] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 429.424746][ T8950] ? clear_bhb_loop+0x60/0xb0
[ 429.424768][ T8950] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 429.424785][ T8950] RIP: 0033:0x7fc3ca99038a
[ 429.424802][ T8950] 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
[ 429.424817][ T8950] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 429.424837][ T8950] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 429.424851][ T8950] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 429.424863][ T8950] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 429.424876][ T8950] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 429.424888][ T8950] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 429.424919][ T8950]
[ 429.424946][ T8950] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 429.701324][ T8958] loop4: detected capacity change from 0 to 32768
[ 429.767998][ T5935] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 406ms
[ 429.771841][ T8950] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 429.780442][ T5935] gfs2: fsid=syz:syz.0: jid=0: Done
[ 429.791053][ T8951] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 429.791627][ T8954] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 429.849204][ T8958] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 429.870121][ T8954] CPU: 0 UID: 0 PID: 8954 Comm: syz.1.494 Not tainted syzkaller #0 PREEMPT(full)
[ 429.870149][ T8954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 429.870161][ T8954] Call Trace:
[ 429.870169][ T8954]
[ 429.870178][ T8954] dump_stack_lvl+0x189/0x250
[ 429.870212][ T8954] ? __pfx_dump_stack_lvl+0x10/0x10
[ 429.870238][ T8954] ? __pfx__printk+0x10/0x10
[ 429.870264][ T8954] ? kernfs_path_from_node+0x250/0x290
[ 429.870283][ T8954] ? kernfs_path_from_node+0x2f/0x290
[ 429.870306][ T8954] sysfs_create_dir_ns+0x259/0x280
[ 429.870329][ T8954] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 429.870352][ T8954] ? do_raw_spin_unlock+0x122/0x240
[ 429.870375][ T8954] kobject_add_internal+0x59f/0xb70
[ 429.870411][ T8954] kobject_init_and_add+0x125/0x190
[ 429.870442][ T8954] ? __pfx_kobject_init_and_add+0x10/0x10
[ 429.870469][ T8954] ? __raw_spin_lock_init+0x45/0x100
[ 429.870489][ T8954] ? __init_swait_queue_head+0xa9/0x150
[ 429.870526][ T8954] gfs2_sys_fs_add+0x234/0x450
[ 429.870549][ T8954] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 429.870575][ T8954] ? is_dynamic_key+0xd6/0x1c0
[ 429.870596][ T8954] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 429.870630][ T8954] gfs2_fill_super+0x13d1/0x2270
[ 429.870671][ T8954] ? __pfx_gfs2_fill_super+0x10/0x10
[ 429.870699][ T8954] ? sb_set_blocksize+0x104/0x180
[ 429.870727][ T8954] ? setup_bdev_super+0x4c1/0x5b0
[ 429.870753][ T8954] get_tree_bdev_flags+0x40e/0x4d0
[ 429.870774][ T8954] ? __pfx_gfs2_fill_super+0x10/0x10
[ 429.870798][ T8954] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 429.870818][ T8954] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 429.870847][ T8954] gfs2_get_tree+0x51/0x1e0
[ 429.870874][ T8954] vfs_get_tree+0x92/0x2b0
[ 429.870898][ T8954] do_new_mount+0x302/0xa10
[ 429.870920][ T8954] ? apparmor_capable+0x137/0x1b0
[ 429.870945][ T8954] ? __pfx_do_new_mount+0x10/0x10
[ 429.870968][ T8954] ? ns_capable+0x8a/0xf0
[ 429.870993][ T8954] ? kmem_cache_free+0x19b/0x690
[ 429.871023][ T8954] __se_sys_mount+0x313/0x410
[ 429.871054][ T8954] ? __pfx___se_sys_mount+0x10/0x10
[ 429.871082][ T8954] ? do_syscall_64+0xbe/0xfa0
[ 429.871103][ T8954] ? __x64_sys_mount+0x20/0xc0
[ 429.871129][ T8954] do_syscall_64+0xfa/0xfa0
[ 429.871153][ T8954] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 429.871172][ T8954] ? clear_bhb_loop+0x60/0xb0
[ 429.871194][ T8954] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 429.871212][ T8954] RIP: 0033:0x7f88f099038a
[ 429.871229][ T8954] 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
[ 429.871246][ T8954] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 429.871265][ T8954] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 429.871279][ T8954] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 429.871292][ T8954] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 429.871305][ T8954] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 429.871317][ T8954] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 429.871349][ T8954]
[ 429.871375][ T8954] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 430.027085][ T8958] CPU: 1 UID: 0 PID: 8958 Comm: syz.4.495 Not tainted syzkaller #0 PREEMPT(full)
[ 430.027110][ T8958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 430.027122][ T8958] Call Trace:
[ 430.027129][ T8958]
[ 430.027138][ T8958] dump_stack_lvl+0x189/0x250
[ 430.027169][ T8958] ? __pfx_dump_stack_lvl+0x10/0x10
[ 430.027195][ T8958] ? __pfx__printk+0x10/0x10
[ 430.027222][ T8958] ? kernfs_path_from_node+0x250/0x290
[ 430.027242][ T8958] ? kernfs_path_from_node+0x2f/0x290
[ 430.027276][ T8958] sysfs_create_dir_ns+0x259/0x280
[ 430.027301][ T8958] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 430.027324][ T8958] ? do_raw_spin_unlock+0x122/0x240
[ 430.027348][ T8958] kobject_add_internal+0x59f/0xb70
[ 430.027382][ T8958] kobject_init_and_add+0x125/0x190
[ 430.027413][ T8958] ? __pfx_kobject_init_and_add+0x10/0x10
[ 430.027440][ T8958] ? __raw_spin_lock_init+0x45/0x100
[ 430.027459][ T8958] ? __init_swait_queue_head+0xa9/0x150
[ 430.027491][ T8958] gfs2_sys_fs_add+0x234/0x450
[ 430.027514][ T8958] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 430.027540][ T8958] ? is_dynamic_key+0xd6/0x1c0
[ 430.027561][ T8958] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 430.027593][ T8958] gfs2_fill_super+0x13d1/0x2270
[ 430.027633][ T8958] ? __pfx_gfs2_fill_super+0x10/0x10
[ 430.027661][ T8958] ? sb_set_blocksize+0x104/0x180
[ 430.027691][ T8958] ? setup_bdev_super+0x4c1/0x5b0
[ 430.027717][ T8958] get_tree_bdev_flags+0x40e/0x4d0
[ 430.027740][ T8958] ? __pfx_gfs2_fill_super+0x10/0x10
[ 430.027763][ T8958] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 430.027783][ T8958] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 430.027812][ T8958] gfs2_get_tree+0x51/0x1e0
[ 430.027839][ T8958] vfs_get_tree+0x92/0x2b0
[ 430.027864][ T8958] do_new_mount+0x302/0xa10
[ 430.027886][ T8958] ? apparmor_capable+0x137/0x1b0
[ 430.027912][ T8958] ? __pfx_do_new_mount+0x10/0x10
[ 430.027935][ T8958] ? ns_capable+0x8a/0xf0
[ 430.027960][ T8958] ? kmem_cache_free+0x19b/0x690
[ 430.027989][ T8958] __se_sys_mount+0x313/0x410
[ 430.028019][ T8958] ? __pfx___se_sys_mount+0x10/0x10
[ 430.028047][ T8958] ? do_syscall_64+0xbe/0xfa0
[ 430.028068][ T8958] ? __x64_sys_mount+0x20/0xc0
[ 430.028094][ T8958] do_syscall_64+0xfa/0xfa0
[ 430.028117][ T8958] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 430.028135][ T8958] ? clear_bhb_loop+0x60/0xb0
[ 430.028156][ T8958] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 430.028174][ T8958] RIP: 0033:0x7f1692b9038a
[ 430.028190][ T8958] 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
[ 430.028206][ T8958] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 430.028224][ T8958] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 430.028238][ T8958] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 430.028259][ T8958] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 430.028271][ T8958] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 430.028284][ T8958] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 430.028314][ T8958]
[ 430.028339][ T8958] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 430.218202][ T8956] loop2: detected capacity change from 0 to 32768
[ 430.232047][ T8954] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 430.375419][ T8956] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 430.423314][ T8958] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 430.479475][ T8956] CPU: 0 UID: 0 PID: 8956 Comm: syz.2.493 Not tainted syzkaller #0 PREEMPT(full)
[ 430.479501][ T8956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 430.479513][ T8956] Call Trace:
[ 430.479521][ T8956]
[ 430.479530][ T8956] dump_stack_lvl+0x189/0x250
[ 430.479563][ T8956] ? __pfx_dump_stack_lvl+0x10/0x10
[ 430.479588][ T8956] ? __pfx__printk+0x10/0x10
[ 430.479614][ T8956] ? kernfs_path_from_node+0x250/0x290
[ 430.479634][ T8956] ? kernfs_path_from_node+0x2f/0x290
[ 430.479658][ T8956] sysfs_create_dir_ns+0x259/0x280
[ 430.479681][ T8956] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 430.479703][ T8956] ? do_raw_spin_unlock+0x122/0x240
[ 430.479726][ T8956] kobject_add_internal+0x59f/0xb70
[ 430.479760][ T8956] kobject_init_and_add+0x125/0x190
[ 430.479790][ T8956] ? __pfx_kobject_init_and_add+0x10/0x10
[ 430.479817][ T8956] ? __raw_spin_lock_init+0x45/0x100
[ 430.479836][ T8956] ? __init_swait_queue_head+0xa9/0x150
[ 430.479865][ T8956] gfs2_sys_fs_add+0x234/0x450
[ 430.479887][ T8956] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 430.479911][ T8956] ? is_dynamic_key+0xd6/0x1c0
[ 430.479928][ T8956] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 430.479956][ T8956] gfs2_fill_super+0x13d1/0x2270
[ 430.479994][ T8956] ? __pfx_gfs2_fill_super+0x10/0x10
[ 430.480019][ T8956] ? sb_set_blocksize+0x104/0x180
[ 430.480047][ T8956] ? setup_bdev_super+0x4c1/0x5b0
[ 430.480071][ T8956] get_tree_bdev_flags+0x40e/0x4d0
[ 430.480092][ T8956] ? __pfx_gfs2_fill_super+0x10/0x10
[ 430.480113][ T8956] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 430.480130][ T8956] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 430.480157][ T8956] gfs2_get_tree+0x51/0x1e0
[ 430.480184][ T8956] vfs_get_tree+0x92/0x2b0
[ 430.480207][ T8956] do_new_mount+0x302/0xa10
[ 430.480229][ T8956] ? apparmor_capable+0x137/0x1b0
[ 430.480254][ T8956] ? __pfx_do_new_mount+0x10/0x10
[ 430.480277][ T8956] ? ns_capable+0x8a/0xf0
[ 430.480302][ T8956] ? kmem_cache_free+0x19b/0x690
[ 430.480332][ T8956] __se_sys_mount+0x313/0x410
[ 430.480362][ T8956] ? __pfx___se_sys_mount+0x10/0x10
[ 430.480390][ T8956] ? do_syscall_64+0xbe/0xfa0
[ 430.480411][ T8956] ? __x64_sys_mount+0x20/0xc0
[ 430.480433][ T8956] do_syscall_64+0xfa/0xfa0
[ 430.480462][ T8956] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 430.480480][ T8956] ? clear_bhb_loop+0x60/0xb0
[ 430.480500][ T8956] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 430.480518][ T8956] RIP: 0033:0x7fc26d19038a
[ 430.480535][ T8956] 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
[ 430.480551][ T8956] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 430.480569][ T8956] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 430.480582][ T8956] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 430.480595][ T8956] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 430.480607][ T8956] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 430.480619][ T8956] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 430.480651][ T8956]
[ 430.480677][ T8956] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 430.940049][ T8956] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 432.128610][ T8974] loop3: detected capacity change from 0 to 32768
[ 432.175703][ T8974] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 432.255638][ T8974] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 432.341481][ T8974] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 432.372719][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 432.381477][ T8977] loop1: detected capacity change from 0 to 32768
[ 432.393241][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 432.440965][ T8977] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 432.463410][ T8977] CPU: 0 UID: 0 PID: 8977 Comm: syz.1.499 Not tainted syzkaller #0 PREEMPT(full)
[ 432.463437][ T8977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 432.463449][ T8977] Call Trace:
[ 432.463457][ T8977]
[ 432.463466][ T8977] dump_stack_lvl+0x189/0x250
[ 432.463499][ T8977] ? __pfx_dump_stack_lvl+0x10/0x10
[ 432.463524][ T8977] ? __pfx__printk+0x10/0x10
[ 432.463551][ T8977] ? kernfs_path_from_node+0x250/0x290
[ 432.463570][ T8977] ? kernfs_path_from_node+0x2f/0x290
[ 432.463593][ T8977] sysfs_create_dir_ns+0x259/0x280
[ 432.463615][ T8977] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 432.463638][ T8977] ? do_raw_spin_unlock+0x122/0x240
[ 432.463661][ T8977] kobject_add_internal+0x59f/0xb70
[ 432.463696][ T8977] kobject_init_and_add+0x125/0x190
[ 432.463728][ T8977] ? __pfx_kobject_init_and_add+0x10/0x10
[ 432.463754][ T8977] ? __raw_spin_lock_init+0x45/0x100
[ 432.463773][ T8977] ? __init_swait_queue_head+0xa9/0x150
[ 432.463802][ T8977] gfs2_sys_fs_add+0x234/0x450
[ 432.463822][ T8977] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 432.463848][ T8977] ? is_dynamic_key+0xd6/0x1c0
[ 432.463868][ T8977] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 432.463901][ T8977] gfs2_fill_super+0x13d1/0x2270
[ 432.463941][ T8977] ? __pfx_gfs2_fill_super+0x10/0x10
[ 432.463970][ T8977] ? sb_set_blocksize+0x104/0x180
[ 432.463999][ T8977] ? setup_bdev_super+0x4c1/0x5b0
[ 432.464026][ T8977] get_tree_bdev_flags+0x40e/0x4d0
[ 432.464047][ T8977] ? __pfx_gfs2_fill_super+0x10/0x10
[ 432.464070][ T8977] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 432.464090][ T8977] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 432.464120][ T8977] gfs2_get_tree+0x51/0x1e0
[ 432.464147][ T8977] vfs_get_tree+0x92/0x2b0
[ 432.464172][ T8977] do_new_mount+0x302/0xa10
[ 432.464194][ T8977] ? apparmor_capable+0x137/0x1b0
[ 432.464220][ T8977] ? __pfx_do_new_mount+0x10/0x10
[ 432.464243][ T8977] ? ns_capable+0x8a/0xf0
[ 432.464268][ T8977] ? kmem_cache_free+0x19b/0x690
[ 432.464305][ T8977] __se_sys_mount+0x313/0x410
[ 432.464336][ T8977] ? __pfx___se_sys_mount+0x10/0x10
[ 432.464363][ T8977] ? do_syscall_64+0xbe/0xfa0
[ 432.464386][ T8977] ? __x64_sys_mount+0x20/0xc0
[ 432.464411][ T8977] do_syscall_64+0xfa/0xfa0
[ 432.464435][ T8977] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 432.464453][ T8977] ? clear_bhb_loop+0x60/0xb0
[ 432.464475][ T8977] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 432.464493][ T8977] RIP: 0033:0x7f88f099038a
[ 432.464511][ T8977] 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
[ 432.464526][ T8977] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 432.464546][ T8977] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 432.464560][ T8977] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 432.464574][ T8977] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 432.464586][ T8977] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 432.464599][ T8977] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 432.464628][ T8977]
[ 432.464655][ T8977] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 432.638787][ T8978] loop2: detected capacity change from 0 to 32768
[ 432.657426][ T8982] loop0: detected capacity change from 0 to 32768
[ 432.743344][ T8977] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 432.839825][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 446ms
[ 432.853576][ T8982] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 432.861510][ T8982] CPU: 0 UID: 0 PID: 8982 Comm: syz.0.497 Not tainted syzkaller #0 PREEMPT(full)
[ 432.861536][ T8982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 432.861547][ T8982] Call Trace:
[ 432.861555][ T8982]
[ 432.861564][ T8982] dump_stack_lvl+0x189/0x250
[ 432.861597][ T8982] ? __pfx_dump_stack_lvl+0x10/0x10
[ 432.861623][ T8982] ? __pfx__printk+0x10/0x10
[ 432.861649][ T8982] ? kernfs_path_from_node+0x250/0x290
[ 432.861669][ T8982] ? kernfs_path_from_node+0x2f/0x290
[ 432.861692][ T8982] sysfs_create_dir_ns+0x259/0x280
[ 432.861716][ T8982] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 432.861737][ T8982] ? do_raw_spin_unlock+0x122/0x240
[ 432.861759][ T8982] kobject_add_internal+0x59f/0xb70
[ 432.861794][ T8982] kobject_init_and_add+0x125/0x190
[ 432.861824][ T8982] ? __pfx_kobject_init_and_add+0x10/0x10
[ 432.861851][ T8982] ? __raw_spin_lock_init+0x45/0x100
[ 432.861871][ T8982] ? __init_swait_queue_head+0xa9/0x150
[ 432.861899][ T8982] gfs2_sys_fs_add+0x234/0x450
[ 432.861922][ T8982] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 432.861949][ T8982] ? is_dynamic_key+0xd6/0x1c0
[ 432.861969][ T8982] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 432.862001][ T8982] gfs2_fill_super+0x13d1/0x2270
[ 432.862042][ T8982] ? __pfx_gfs2_fill_super+0x10/0x10
[ 432.862081][ T8982] ? sb_set_blocksize+0x104/0x180
[ 432.862109][ T8982] ? setup_bdev_super+0x4c1/0x5b0
[ 432.862133][ T8982] get_tree_bdev_flags+0x40e/0x4d0
[ 432.862155][ T8982] ? __pfx_gfs2_fill_super+0x10/0x10
[ 432.862179][ T8982] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 432.862199][ T8982] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 432.862226][ T8982] gfs2_get_tree+0x51/0x1e0
[ 432.862252][ T8982] vfs_get_tree+0x92/0x2b0
[ 432.862276][ T8982] do_new_mount+0x302/0xa10
[ 432.862297][ T8982] ? apparmor_capable+0x137/0x1b0
[ 432.862322][ T8982] ? __pfx_do_new_mount+0x10/0x10
[ 432.862346][ T8982] ? ns_capable+0x8a/0xf0
[ 432.862372][ T8982] ? kmem_cache_free+0x19b/0x690
[ 432.862402][ T8982] __se_sys_mount+0x313/0x410
[ 432.862431][ T8982] ? __pfx___se_sys_mount+0x10/0x10
[ 432.862459][ T8982] ? do_syscall_64+0xbe/0xfa0
[ 432.862478][ T8982] ? __x64_sys_mount+0x20/0xc0
[ 432.862504][ T8982] do_syscall_64+0xfa/0xfa0
[ 432.862526][ T8982] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 432.862543][ T8982] ? clear_bhb_loop+0x60/0xb0
[ 432.862563][ T8982] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 432.862578][ T8982] RIP: 0033:0x7f089859038a
[ 432.862595][ T8982] 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
[ 432.862610][ T8982] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 432.862629][ T8982] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 432.862642][ T8982] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 432.862655][ T8982] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 432.862667][ T8982] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 432.862678][ T8982] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 432.862707][ T8982]
[ 432.867241][ T8980] loop4: detected capacity change from 0 to 32768
[ 432.922455][ T8978] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 432.934734][ T8982] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 432.971886][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 432.972821][ T8978] CPU: 1 UID: 0 PID: 8978 Comm: syz.2.498 Not tainted syzkaller #0 PREEMPT(full)
[ 432.972844][ T8978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 432.972855][ T8978] Call Trace:
[ 432.972871][ T8978]
[ 432.972880][ T8978] dump_stack_lvl+0x189/0x250
[ 432.972913][ T8978] ? __pfx_dump_stack_lvl+0x10/0x10
[ 432.972937][ T8978] ? __pfx__printk+0x10/0x10
[ 432.972964][ T8978] ? kernfs_path_from_node+0x250/0x290
[ 432.972983][ T8978] ? kernfs_path_from_node+0x2f/0x290
[ 432.973007][ T8978] sysfs_create_dir_ns+0x259/0x280
[ 432.973030][ T8978] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 432.973051][ T8978] ? do_raw_spin_unlock+0x122/0x240
[ 432.973074][ T8978] kobject_add_internal+0x59f/0xb70
[ 432.973108][ T8978] kobject_init_and_add+0x125/0x190
[ 432.973138][ T8978] ? __pfx_kobject_init_and_add+0x10/0x10
[ 432.973165][ T8978] ? __raw_spin_lock_init+0x45/0x100
[ 432.973189][ T8978] ? __init_swait_queue_head+0xa9/0x150
[ 432.973219][ T8978] gfs2_sys_fs_add+0x234/0x450
[ 432.973240][ T8978] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 432.973266][ T8978] ? is_dynamic_key+0xd6/0x1c0
[ 432.973286][ T8978] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 432.973323][ T8978] gfs2_fill_super+0x13d1/0x2270
[ 432.973363][ T8978] ? __pfx_gfs2_fill_super+0x10/0x10
[ 432.973391][ T8978] ? sb_set_blocksize+0x104/0x180
[ 432.973420][ T8978] ? setup_bdev_super+0x4c1/0x5b0
[ 432.973445][ T8978] get_tree_bdev_flags+0x40e/0x4d0
[ 432.973467][ T8978] ? __pfx_gfs2_fill_super+0x10/0x10
[ 432.973490][ T8978] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 432.973510][ T8978] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 432.973537][ T8978] gfs2_get_tree+0x51/0x1e0
[ 432.973563][ T8978] vfs_get_tree+0x92/0x2b0
[ 432.973587][ T8978] do_new_mount+0x302/0xa10
[ 432.973608][ T8978] ? apparmor_capable+0x137/0x1b0
[ 432.973632][ T8978] ? __pfx_do_new_mount+0x10/0x10
[ 432.973655][ T8978] ? ns_capable+0x8a/0xf0
[ 432.973680][ T8978] ? kmem_cache_free+0x19b/0x690
[ 432.973709][ T8978] __se_sys_mount+0x313/0x410
[ 432.973737][ T8978] ? __pfx___se_sys_mount+0x10/0x10
[ 432.973765][ T8978] ? do_syscall_64+0xbe/0xfa0
[ 432.973786][ T8978] ? __x64_sys_mount+0x20/0xc0
[ 432.973812][ T8978] do_syscall_64+0xfa/0xfa0
[ 432.973834][ T8978] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 432.973851][ T8978] ? clear_bhb_loop+0x60/0xb0
[ 432.973873][ T8978] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 432.973890][ T8978] RIP: 0033:0x7fc26d19038a
[ 432.973907][ T8978] 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
[ 432.973922][ T8978] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 432.973941][ T8978] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 432.973955][ T8978] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 432.973968][ T8978] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 432.973980][ T8978] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 432.973992][ T8978] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 432.974023][ T8978]
[ 432.974128][ T8978] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 432.992540][ T8974] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 433.056643][ T8978] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 433.063471][ T8982] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 433.113616][ T8980] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 433.608839][ T8980] CPU: 1 UID: 0 PID: 8980 Comm: syz.4.500 Not tainted syzkaller #0 PREEMPT(full)
[ 433.608867][ T8980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 433.608878][ T8980] Call Trace:
[ 433.608887][ T8980]
[ 433.608895][ T8980] dump_stack_lvl+0x189/0x250
[ 433.608938][ T8980] ? __pfx_dump_stack_lvl+0x10/0x10
[ 433.608964][ T8980] ? __pfx__printk+0x10/0x10
[ 433.608990][ T8980] ? kernfs_path_from_node+0x250/0x290
[ 433.609011][ T8980] ? kernfs_path_from_node+0x2f/0x290
[ 433.609036][ T8980] sysfs_create_dir_ns+0x259/0x280
[ 433.609060][ T8980] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 433.609082][ T8980] ? do_raw_spin_unlock+0x122/0x240
[ 433.609106][ T8980] kobject_add_internal+0x59f/0xb70
[ 433.609147][ T8980] kobject_init_and_add+0x125/0x190
[ 433.609189][ T8980] ? __pfx_kobject_init_and_add+0x10/0x10
[ 433.609245][ T8980] ? __raw_spin_lock_init+0x45/0x100
[ 433.609266][ T8980] ? __init_swait_queue_head+0xa9/0x150
[ 433.609297][ T8980] gfs2_sys_fs_add+0x234/0x450
[ 433.609320][ T8980] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 433.609347][ T8980] ? is_dynamic_key+0xd6/0x1c0
[ 433.609368][ T8980] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 433.609401][ T8980] gfs2_fill_super+0x13d1/0x2270
[ 433.609442][ T8980] ? __pfx_gfs2_fill_super+0x10/0x10
[ 433.609471][ T8980] ? sb_set_blocksize+0x104/0x180
[ 433.609500][ T8980] ? setup_bdev_super+0x4c1/0x5b0
[ 433.609526][ T8980] get_tree_bdev_flags+0x40e/0x4d0
[ 433.609557][ T8980] ? __pfx_gfs2_fill_super+0x10/0x10
[ 433.609581][ T8980] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 433.609601][ T8980] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 433.609632][ T8980] gfs2_get_tree+0x51/0x1e0
[ 433.609659][ T8980] vfs_get_tree+0x92/0x2b0
[ 433.609683][ T8980] do_new_mount+0x302/0xa10
[ 433.609705][ T8980] ? apparmor_capable+0x137/0x1b0
[ 433.609737][ T8980] ? __pfx_do_new_mount+0x10/0x10
[ 433.609760][ T8980] ? ns_capable+0x8a/0xf0
[ 433.609786][ T8980] ? kmem_cache_free+0x19b/0x690
[ 433.609816][ T8980] __se_sys_mount+0x313/0x410
[ 433.609846][ T8980] ? __pfx___se_sys_mount+0x10/0x10
[ 433.609881][ T8980] ? do_syscall_64+0xbe/0xfa0
[ 433.609903][ T8980] ? __x64_sys_mount+0x20/0xc0
[ 433.609929][ T8980] do_syscall_64+0xfa/0xfa0
[ 433.609953][ T8980] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 433.609971][ T8980] ? clear_bhb_loop+0x60/0xb0
[ 433.609991][ T8980] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 433.610008][ T8980] RIP: 0033:0x7f1692b9038a
[ 433.610025][ T8980] 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
[ 433.610046][ T8980] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 433.610065][ T8980] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 433.610079][ T8980] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
2025/11/08 13:51:31 executed programs: 494
[ 433.610092][ T8980] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 433.610105][ T8980] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 433.610118][ T8980] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 433.610150][ T8980]
[ 433.610176][ T8980] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 433.973262][ T8980] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 435.331045][ T9002] loop0: detected capacity change from 0 to 32768
[ 435.411935][ T9002] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 435.420757][ T8998] loop1: detected capacity change from 0 to 32768
[ 435.463635][ T8998] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 435.482551][ T9002] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 435.495272][ T8998] CPU: 0 UID: 0 PID: 8998 Comm: syz.1.502 Not tainted syzkaller #0 PREEMPT(full)
[ 435.495297][ T8998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 435.495309][ T8998] Call Trace:
[ 435.495316][ T8998]
[ 435.495325][ T8998] dump_stack_lvl+0x189/0x250
[ 435.495359][ T8998] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.495384][ T8998] ? __pfx__printk+0x10/0x10
[ 435.495411][ T8998] ? kernfs_path_from_node+0x250/0x290
[ 435.495432][ T8998] ? kernfs_path_from_node+0x2f/0x290
[ 435.495456][ T8998] sysfs_create_dir_ns+0x259/0x280
[ 435.495480][ T8998] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 435.495503][ T8998] ? do_raw_spin_unlock+0x122/0x240
[ 435.495526][ T8998] kobject_add_internal+0x59f/0xb70
[ 435.495562][ T8998] kobject_init_and_add+0x125/0x190
[ 435.495594][ T8998] ? __pfx_kobject_init_and_add+0x10/0x10
[ 435.495621][ T8998] ? __raw_spin_lock_init+0x45/0x100
[ 435.495641][ T8998] ? __init_swait_queue_head+0xa9/0x150
[ 435.495672][ T8998] gfs2_sys_fs_add+0x234/0x450
[ 435.495695][ T8998] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 435.495722][ T8998] ? is_dynamic_key+0xd6/0x1c0
[ 435.495743][ T8998] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 435.495776][ T8998] gfs2_fill_super+0x13d1/0x2270
[ 435.495929][ T8998] ? __pfx_gfs2_fill_super+0x10/0x10
[ 435.495958][ T8998] ? sb_set_blocksize+0x104/0x180
[ 435.495987][ T8998] ? setup_bdev_super+0x4c1/0x5b0
[ 435.496012][ T8998] get_tree_bdev_flags+0x40e/0x4d0
[ 435.496034][ T8998] ? __pfx_gfs2_fill_super+0x10/0x10
[ 435.496057][ T8998] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 435.496077][ T8998] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 435.496106][ T8998] gfs2_get_tree+0x51/0x1e0
[ 435.496134][ T8998] vfs_get_tree+0x92/0x2b0
[ 435.496158][ T8998] do_new_mount+0x302/0xa10
[ 435.496180][ T8998] ? apparmor_capable+0x137/0x1b0
[ 435.496205][ T8998] ? __pfx_do_new_mount+0x10/0x10
[ 435.496229][ T8998] ? ns_capable+0x8a/0xf0
[ 435.496252][ T8998] ? kmem_cache_free+0x19b/0x690
[ 435.496282][ T8998] __se_sys_mount+0x313/0x410
[ 435.496313][ T8998] ? __pfx___se_sys_mount+0x10/0x10
[ 435.496341][ T8998] ? do_syscall_64+0xbe/0xfa0
[ 435.496362][ T8998] ? __x64_sys_mount+0x20/0xc0
[ 435.496388][ T8998] do_syscall_64+0xfa/0xfa0
[ 435.496411][ T8998] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 435.496430][ T8998] ? clear_bhb_loop+0x60/0xb0
[ 435.496452][ T8998] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 435.496469][ T8998] RIP: 0033:0x7f88f099038a
[ 435.496486][ T8998] 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
[ 435.496503][ T8998] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 435.496523][ T8998] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 435.496536][ T8998] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 435.496550][ T8998] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 435.496562][ T8998] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 435.496574][ T8998] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 435.496606][ T8998]
[ 435.496632][ T8998] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 435.543106][ T9000] loop2: detected capacity change from 0 to 32768
[ 435.588318][ T9004] loop3: detected capacity change from 0 to 32768
[ 435.628460][ T8998] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 435.813323][ T9002] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 435.868186][ T9000] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 435.898762][ T9006] loop4: detected capacity change from 0 to 32768
[ 435.914367][ T9004] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 435.923847][ T9000] CPU: 0 UID: 0 PID: 9000 Comm: syz.2.504 Not tainted syzkaller #0 PREEMPT(full)
[ 435.923873][ T9000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 435.923884][ T9000] Call Trace:
[ 435.923892][ T9000]
[ 435.923901][ T9000] dump_stack_lvl+0x189/0x250
[ 435.923933][ T9000] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.923957][ T9000] ? __pfx__printk+0x10/0x10
[ 435.923982][ T9000] ? kernfs_path_from_node+0x250/0x290
[ 435.924002][ T9000] ? kernfs_path_from_node+0x2f/0x290
[ 435.924024][ T9000] sysfs_create_dir_ns+0x259/0x280
[ 435.924046][ T9000] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 435.924068][ T9000] ? do_raw_spin_unlock+0x122/0x240
[ 435.924090][ T9000] kobject_add_internal+0x59f/0xb70
[ 435.924122][ T9000] kobject_init_and_add+0x125/0x190
[ 435.924150][ T9000] ? __pfx_kobject_init_and_add+0x10/0x10
[ 435.924173][ T9000] ? __raw_spin_lock_init+0x45/0x100
[ 435.924192][ T9000] ? __init_swait_queue_head+0xa9/0x150
[ 435.924221][ T9000] gfs2_sys_fs_add+0x234/0x450
[ 435.924243][ T9000] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 435.924269][ T9000] ? is_dynamic_key+0xd6/0x1c0
[ 435.924287][ T9000] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 435.924319][ T9000] gfs2_fill_super+0x13d1/0x2270
[ 435.924359][ T9000] ? __pfx_gfs2_fill_super+0x10/0x10
[ 435.924386][ T9000] ? sb_set_blocksize+0x104/0x180
[ 435.924414][ T9000] ? setup_bdev_super+0x4c1/0x5b0
[ 435.924438][ T9000] get_tree_bdev_flags+0x40e/0x4d0
[ 435.924457][ T9000] ? __pfx_gfs2_fill_super+0x10/0x10
[ 435.924479][ T9000] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 435.924498][ T9000] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 435.924523][ T9000] gfs2_get_tree+0x51/0x1e0
[ 435.924544][ T9000] vfs_get_tree+0x92/0x2b0
[ 435.924563][ T9000] do_new_mount+0x302/0xa10
[ 435.924581][ T9000] ? apparmor_capable+0x137/0x1b0
[ 435.924600][ T9000] ? __pfx_do_new_mount+0x10/0x10
[ 435.924619][ T9000] ? ns_capable+0x8a/0xf0
[ 435.924638][ T9000] ? kmem_cache_free+0x19b/0x690
[ 435.924661][ T9000] __se_sys_mount+0x313/0x410
[ 435.924684][ T9000] ? __pfx___se_sys_mount+0x10/0x10
[ 435.924706][ T9000] ? do_syscall_64+0xbe/0xfa0
[ 435.924723][ T9000] ? __x64_sys_mount+0x20/0xc0
[ 435.924743][ T9000] do_syscall_64+0xfa/0xfa0
[ 435.924761][ T9000] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 435.924776][ T9000] ? clear_bhb_loop+0x60/0xb0
[ 435.924800][ T9000] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 435.924814][ T9000] RIP: 0033:0x7fc26d19038a
[ 435.924828][ T9000] 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
[ 435.924841][ T9000] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 435.924857][ T9000] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 435.924868][ T9000] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 435.924878][ T9000] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 435.924888][ T9000] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 435.924897][ T9000] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 435.924921][ T9000]
[ 435.924947][ T9000] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 436.003363][ T9004] CPU: 1 UID: 0 PID: 9004 Comm: syz.3.501 Not tainted syzkaller #0 PREEMPT(full)
[ 436.003389][ T9004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 436.003400][ T9004] Call Trace:
[ 436.003408][ T9004]
[ 436.003416][ T9004] dump_stack_lvl+0x189/0x250
[ 436.003450][ T9004] ? __pfx_dump_stack_lvl+0x10/0x10
[ 436.003475][ T9004] ? __pfx__printk+0x10/0x10
[ 436.003504][ T9004] ? kernfs_path_from_node+0x250/0x290
[ 436.003524][ T9004] ? kernfs_path_from_node+0x2f/0x290
[ 436.003548][ T9004] sysfs_create_dir_ns+0x259/0x280
[ 436.003572][ T9004] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 436.003594][ T9004] ? do_raw_spin_unlock+0x122/0x240
[ 436.003616][ T9004] kobject_add_internal+0x59f/0xb70
[ 436.003651][ T9004] kobject_init_and_add+0x125/0x190
[ 436.003682][ T9004] ? __pfx_kobject_init_and_add+0x10/0x10
[ 436.003708][ T9004] ? __raw_spin_lock_init+0x45/0x100
[ 436.003727][ T9004] ? __init_swait_queue_head+0xa9/0x150
[ 436.003758][ T9004] gfs2_sys_fs_add+0x234/0x450
[ 436.003779][ T9004] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 436.003804][ T9004] ? is_dynamic_key+0xd6/0x1c0
[ 436.003824][ T9004] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 436.003855][ T9004] gfs2_fill_super+0x13d1/0x2270
[ 436.003895][ T9004] ? __pfx_gfs2_fill_super+0x10/0x10
[ 436.003923][ T9004] ? sb_set_blocksize+0x104/0x180
[ 436.003952][ T9004] ? setup_bdev_super+0x4c1/0x5b0
[ 436.003977][ T9004] get_tree_bdev_flags+0x40e/0x4d0
[ 436.003999][ T9004] ? __pfx_gfs2_fill_super+0x10/0x10
[ 436.004022][ T9004] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 436.004047][ T9004] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 436.004076][ T9004] gfs2_get_tree+0x51/0x1e0
[ 436.004102][ T9004] vfs_get_tree+0x92/0x2b0
[ 436.004126][ T9004] do_new_mount+0x302/0xa10
[ 436.004147][ T9004] ? apparmor_capable+0x137/0x1b0
[ 436.004173][ T9004] ? __pfx_do_new_mount+0x10/0x10
[ 436.004195][ T9004] ? ns_capable+0x8a/0xf0
[ 436.004219][ T9004] ? kmem_cache_free+0x19b/0x690
[ 436.004247][ T9004] __se_sys_mount+0x313/0x410
[ 436.004277][ T9004] ? __pfx___se_sys_mount+0x10/0x10
[ 436.004305][ T9004] ? do_syscall_64+0xbe/0xfa0
[ 436.004326][ T9004] ? __x64_sys_mount+0x20/0xc0
[ 436.004352][ T9004] do_syscall_64+0xfa/0xfa0
[ 436.004375][ T9004] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 436.004393][ T9004] ? clear_bhb_loop+0x60/0xb0
[ 436.004414][ T9004] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 436.004431][ T9004] RIP: 0033:0x7fc3ca99038a
[ 436.004448][ T9004] 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
[ 436.004462][ T9004] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 436.004482][ T9004] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 436.004495][ T9004] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 436.004508][ T9004] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 436.004520][ T9004] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 436.004532][ T9004] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 436.004563][ T9004]
[ 436.004615][ T9004] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 436.052000][ T9000] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 436.317632][ T9006] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 436.338852][ T9004] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 436.367236][ T6084] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 436.403508][ T9006] CPU: 0 UID: 0 PID: 9006 Comm: syz.4.505 Not tainted syzkaller #0 PREEMPT(full)
[ 436.403535][ T9006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 436.403547][ T9006] Call Trace:
[ 436.403555][ T9006]
[ 436.403563][ T9006] dump_stack_lvl+0x189/0x250
[ 436.403597][ T9006] ? __pfx_dump_stack_lvl+0x10/0x10
[ 436.403622][ T9006] ? __pfx__printk+0x10/0x10
[ 436.403648][ T9006] ? kernfs_path_from_node+0x250/0x290
[ 436.403668][ T9006] ? kernfs_path_from_node+0x2f/0x290
[ 436.403692][ T9006] sysfs_create_dir_ns+0x259/0x280
[ 436.403714][ T9006] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 436.403736][ T9006] ? do_raw_spin_unlock+0x122/0x240
[ 436.403759][ T9006] kobject_add_internal+0x59f/0xb70
[ 436.403793][ T9006] kobject_init_and_add+0x125/0x190
[ 436.403824][ T9006] ? __pfx_kobject_init_and_add+0x10/0x10
[ 436.403850][ T9006] ? __raw_spin_lock_init+0x45/0x100
[ 436.403877][ T9006] ? __init_swait_queue_head+0xa9/0x150
[ 436.403911][ T9006] gfs2_sys_fs_add+0x234/0x450
[ 436.403933][ T9006] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 436.403959][ T9006] ? is_dynamic_key+0xd6/0x1c0
[ 436.403987][ T9006] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 436.404018][ T9006] gfs2_fill_super+0x13d1/0x2270
[ 436.404058][ T9006] ? __pfx_gfs2_fill_super+0x10/0x10
[ 436.404086][ T9006] ? sb_set_blocksize+0x104/0x180
[ 436.404115][ T9006] ? setup_bdev_super+0x4c1/0x5b0
[ 436.404140][ T9006] get_tree_bdev_flags+0x40e/0x4d0
[ 436.404161][ T9006] ? __pfx_gfs2_fill_super+0x10/0x10
[ 436.404185][ T9006] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 436.404204][ T9006] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 436.404232][ T9006] gfs2_get_tree+0x51/0x1e0
[ 436.404259][ T9006] vfs_get_tree+0x92/0x2b0
[ 436.404282][ T9006] do_new_mount+0x302/0xa10
[ 436.404304][ T9006] ? apparmor_capable+0x137/0x1b0
[ 436.404328][ T9006] ? __pfx_do_new_mount+0x10/0x10
[ 436.404351][ T9006] ? ns_capable+0x8a/0xf0
[ 436.404375][ T9006] ? kmem_cache_free+0x19b/0x690
[ 436.404404][ T9006] __se_sys_mount+0x313/0x410
[ 436.404433][ T9006] ? __pfx___se_sys_mount+0x10/0x10
[ 436.404462][ T9006] ? do_syscall_64+0xbe/0xfa0
[ 436.404483][ T9006] ? __x64_sys_mount+0x20/0xc0
[ 436.404508][ T9006] do_syscall_64+0xfa/0xfa0
[ 436.404531][ T9006] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 436.404549][ T9006] ? clear_bhb_loop+0x60/0xb0
[ 436.404570][ T9006] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 436.404586][ T9006] RIP: 0033:0x7f1692b9038a
[ 436.404603][ T9006] 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
[ 436.404618][ T9006] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 436.404638][ T9006] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 436.404651][ T9006] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 436.404664][ T9006] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 436.404676][ T9006] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 436.404688][ T9006] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 436.404719][ T9006]
[ 436.404744][ T9006] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 436.434207][ T6084] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 436.591684][ T9006] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 437.112496][ T6084] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 678ms
[ 437.151865][ T6084] gfs2: fsid=syz:syz.0: jid=0: Done
[ 437.163761][ T9002] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 438.003425][ T9023] loop3: detected capacity change from 0 to 32768
[ 438.055181][ T9023] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 438.086678][ T9023] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 438.183150][ T9023] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 438.201986][ T6642] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 438.206698][ T9020] loop1: detected capacity change from 0 to 32768
[ 438.213239][ T6642] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 438.255823][ T9020] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 438.283361][ T9020] CPU: 1 UID: 0 PID: 9020 Comm: syz.1.506 Not tainted syzkaller #0 PREEMPT(full)
[ 438.283385][ T9020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 438.283396][ T9020] Call Trace:
[ 438.283404][ T9020]
[ 438.283412][ T9020] dump_stack_lvl+0x189/0x250
[ 438.283445][ T9020] ? __pfx_dump_stack_lvl+0x10/0x10
[ 438.283471][ T9020] ? __pfx__printk+0x10/0x10
[ 438.283495][ T9020] ? kernfs_path_from_node+0x250/0x290
[ 438.283514][ T9020] ? kernfs_path_from_node+0x2f/0x290
[ 438.283538][ T9020] sysfs_create_dir_ns+0x259/0x280
[ 438.283566][ T9020] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 438.283589][ T9020] ? do_raw_spin_unlock+0x122/0x240
[ 438.283622][ T9020] kobject_add_internal+0x59f/0xb70
[ 438.283656][ T9020] kobject_init_and_add+0x125/0x190
[ 438.283685][ T9020] ? __pfx_kobject_init_and_add+0x10/0x10
[ 438.283710][ T9020] ? __raw_spin_lock_init+0x45/0x100
[ 438.283730][ T9020] ? __init_swait_queue_head+0xa9/0x150
[ 438.283757][ T9020] gfs2_sys_fs_add+0x234/0x450
[ 438.283778][ T9020] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 438.283802][ T9020] ? is_dynamic_key+0xd6/0x1c0
[ 438.283820][ T9020] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 438.283851][ T9020] gfs2_fill_super+0x13d1/0x2270
[ 438.283891][ T9020] ? __pfx_gfs2_fill_super+0x10/0x10
[ 438.283918][ T9020] ? sb_set_blocksize+0x104/0x180
[ 438.283945][ T9020] ? setup_bdev_super+0x4c1/0x5b0
[ 438.283971][ T9020] get_tree_bdev_flags+0x40e/0x4d0
[ 438.283992][ T9020] ? __pfx_gfs2_fill_super+0x10/0x10
[ 438.284015][ T9020] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 438.284035][ T9020] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 438.284061][ T9020] gfs2_get_tree+0x51/0x1e0
[ 438.284088][ T9020] vfs_get_tree+0x92/0x2b0
[ 438.284111][ T9020] do_new_mount+0x302/0xa10
[ 438.284133][ T9020] ? apparmor_capable+0x137/0x1b0
[ 438.284157][ T9020] ? __pfx_do_new_mount+0x10/0x10
[ 438.284179][ T9020] ? ns_capable+0x8a/0xf0
[ 438.284204][ T9020] ? kmem_cache_free+0x19b/0x690
[ 438.284234][ T9020] __se_sys_mount+0x313/0x410
[ 438.284264][ T9020] ? __pfx___se_sys_mount+0x10/0x10
[ 438.284291][ T9020] ? do_syscall_64+0xbe/0xfa0
[ 438.284312][ T9020] ? __x64_sys_mount+0x20/0xc0
[ 438.284338][ T9020] do_syscall_64+0xfa/0xfa0
[ 438.284362][ T9020] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 438.284379][ T9020] ? clear_bhb_loop+0x60/0xb0
[ 438.284400][ T9020] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 438.284417][ T9020] RIP: 0033:0x7f88f099038a
[ 438.284434][ T9020] 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
[ 438.284450][ T9020] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 438.284470][ T9020] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 438.284484][ T9020] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 438.284497][ T9020] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 438.284510][ T9020] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 438.284522][ T9020] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 438.284550][ T9020]
[ 438.284616][ T9020] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 438.661838][ T9030] loop4: detected capacity change from 0 to 32768
[ 438.697490][ T6642] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 484ms
[ 438.713453][ T6642] gfs2: fsid=syz:syz.0: jid=0: Done
[ 438.734091][ T9023] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 438.743649][ T9020] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 438.768565][ T9030] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 438.776941][ T9030] CPU: 1 UID: 0 PID: 9030 Comm: syz.4.509 Not tainted syzkaller #0 PREEMPT(full)
[ 438.776970][ T9030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 438.776989][ T9030] Call Trace:
[ 438.776996][ T9030]
[ 438.777005][ T9030] dump_stack_lvl+0x189/0x250
[ 438.777038][ T9030] ? __pfx_dump_stack_lvl+0x10/0x10
[ 438.777064][ T9030] ? __pfx__printk+0x10/0x10
[ 438.777090][ T9030] ? kernfs_path_from_node+0x250/0x290
[ 438.777111][ T9030] ? kernfs_path_from_node+0x2f/0x290
[ 438.777135][ T9030] sysfs_create_dir_ns+0x259/0x280
[ 438.777158][ T9030] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 438.777180][ T9030] ? do_raw_spin_unlock+0x122/0x240
[ 438.777203][ T9030] kobject_add_internal+0x59f/0xb70
[ 438.777238][ T9030] kobject_init_and_add+0x125/0x190
[ 438.777268][ T9030] ? __pfx_kobject_init_and_add+0x10/0x10
[ 438.777292][ T9030] ? __raw_spin_lock_init+0x45/0x100
[ 438.777309][ T9030] ? __init_swait_queue_head+0xa9/0x150
[ 438.777336][ T9030] gfs2_sys_fs_add+0x234/0x450
[ 438.777359][ T9030] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 438.777385][ T9030] ? is_dynamic_key+0xd6/0x1c0
[ 438.777405][ T9030] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 438.777438][ T9030] gfs2_fill_super+0x13d1/0x2270
[ 438.777478][ T9030] ? __pfx_gfs2_fill_super+0x10/0x10
[ 438.777514][ T9030] ? sb_set_blocksize+0x104/0x180
[ 438.777543][ T9030] ? setup_bdev_super+0x4c1/0x5b0
[ 438.777569][ T9030] get_tree_bdev_flags+0x40e/0x4d0
[ 438.777591][ T9030] ? __pfx_gfs2_fill_super+0x10/0x10
[ 438.777614][ T9030] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 438.777634][ T9030] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 438.777673][ T9030] gfs2_get_tree+0x51/0x1e0
[ 438.777699][ T9030] vfs_get_tree+0x92/0x2b0
[ 438.777724][ T9030] do_new_mount+0x302/0xa10
[ 438.777745][ T9030] ? apparmor_capable+0x137/0x1b0
[ 438.777771][ T9030] ? __pfx_do_new_mount+0x10/0x10
[ 438.777794][ T9030] ? ns_capable+0x8a/0xf0
[ 438.777820][ T9030] ? kmem_cache_free+0x19b/0x690
[ 438.777849][ T9030] __se_sys_mount+0x313/0x410
[ 438.777887][ T9030] ? __pfx___se_sys_mount+0x10/0x10
[ 438.777914][ T9030] ? do_syscall_64+0xbe/0xfa0
[ 438.777934][ T9030] ? __x64_sys_mount+0x20/0xc0
[ 438.777961][ T9030] do_syscall_64+0xfa/0xfa0
[ 438.777984][ T9030] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 438.778003][ T9030] ? clear_bhb_loop+0x60/0xb0
[ 438.778025][ T9030] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 438.778050][ T9030] RIP: 0033:0x7f1692b9038a
[ 438.778067][ T9030] 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
[ 438.778083][ T9030] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 438.778108][ T9030] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 438.778122][ T9030] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 438.778136][ T9030] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 438.778149][ T9030] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
2025/11/08 13:51:37 executed programs: 504
[ 438.778161][ T9030] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 438.778194][ T9030]
[ 438.778220][ T9030] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 439.070122][ T9028] loop2: detected capacity change from 0 to 32768
[ 439.073837][ T9030] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 439.210455][ T9028] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 439.291695][ T9028] CPU: 0 UID: 0 PID: 9028 Comm: syz.2.508 Not tainted syzkaller #0 PREEMPT(full)
[ 439.291723][ T9028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 439.291735][ T9028] Call Trace:
[ 439.291752][ T9028]
[ 439.291760][ T9028] dump_stack_lvl+0x189/0x250
[ 439.291804][ T9028] ? __pfx_dump_stack_lvl+0x10/0x10
[ 439.291829][ T9028] ? __pfx__printk+0x10/0x10
[ 439.291869][ T9028] ? kernfs_path_from_node+0x250/0x290
[ 439.291888][ T9028] ? kernfs_path_from_node+0x2f/0x290
[ 439.291913][ T9028] sysfs_create_dir_ns+0x259/0x280
[ 439.291943][ T9028] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 439.291966][ T9028] ? do_raw_spin_unlock+0x122/0x240
[ 439.291989][ T9028] kobject_add_internal+0x59f/0xb70
[ 439.292032][ T9028] kobject_init_and_add+0x125/0x190
[ 439.292064][ T9028] ? __pfx_kobject_init_and_add+0x10/0x10
[ 439.292091][ T9028] ? __raw_spin_lock_init+0x45/0x100
[ 439.292110][ T9028] ? __init_swait_queue_head+0xa9/0x150
[ 439.292141][ T9028] gfs2_sys_fs_add+0x234/0x450
[ 439.292164][ T9028] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 439.292191][ T9028] ? is_dynamic_key+0xd6/0x1c0
[ 439.292211][ T9028] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 439.292244][ T9028] gfs2_fill_super+0x13d1/0x2270
[ 439.292284][ T9028] ? __pfx_gfs2_fill_super+0x10/0x10
[ 439.292313][ T9028] ? sb_set_blocksize+0x104/0x180
[ 439.292342][ T9028] ? setup_bdev_super+0x4c1/0x5b0
[ 439.292377][ T9028] get_tree_bdev_flags+0x40e/0x4d0
[ 439.292401][ T9028] ? __pfx_gfs2_fill_super+0x10/0x10
[ 439.292425][ T9028] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 439.292445][ T9028] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 439.292475][ T9028] gfs2_get_tree+0x51/0x1e0
[ 439.292503][ T9028] vfs_get_tree+0x92/0x2b0
[ 439.292528][ T9028] do_new_mount+0x302/0xa10
[ 439.292549][ T9028] ? apparmor_capable+0x137/0x1b0
[ 439.292574][ T9028] ? __pfx_do_new_mount+0x10/0x10
[ 439.292598][ T9028] ? ns_capable+0x8a/0xf0
[ 439.292623][ T9028] ? kmem_cache_free+0x19b/0x690
[ 439.292653][ T9028] __se_sys_mount+0x313/0x410
[ 439.292683][ T9028] ? __pfx___se_sys_mount+0x10/0x10
[ 439.292711][ T9028] ? do_syscall_64+0xbe/0xfa0
[ 439.292732][ T9028] ? __x64_sys_mount+0x20/0xc0
[ 439.292765][ T9028] do_syscall_64+0xfa/0xfa0
[ 439.292788][ T9028] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 439.292805][ T9028] ? clear_bhb_loop+0x60/0xb0
[ 439.292824][ T9028] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 439.292839][ T9028] RIP: 0033:0x7fc26d19038a
[ 439.292855][ T9028] 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
[ 439.292869][ T9028] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 439.292887][ T9028] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 439.292900][ T9028] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 439.292914][ T9028] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 439.292927][ T9028] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 439.292939][ T9028] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 439.292971][ T9028]
[ 439.292998][ T9028] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 439.663270][ T9028] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 439.735464][ T9032] loop0: detected capacity change from 0 to 32768
[ 439.862516][ T9032] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 439.880993][ T9032] CPU: 1 UID: 0 PID: 9032 Comm: syz.0.510 Not tainted syzkaller #0 PREEMPT(full)
[ 439.881017][ T9032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 439.881028][ T9032] Call Trace:
[ 439.881036][ T9032]
[ 439.881044][ T9032] dump_stack_lvl+0x189/0x250
[ 439.881078][ T9032] ? __pfx_dump_stack_lvl+0x10/0x10
[ 439.881103][ T9032] ? __pfx__printk+0x10/0x10
[ 439.881130][ T9032] ? kernfs_path_from_node+0x250/0x290
[ 439.881151][ T9032] ? kernfs_path_from_node+0x2f/0x290
[ 439.881176][ T9032] sysfs_create_dir_ns+0x259/0x280
[ 439.881200][ T9032] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 439.881224][ T9032] ? do_raw_spin_unlock+0x122/0x240
[ 439.881248][ T9032] kobject_add_internal+0x59f/0xb70
[ 439.881283][ T9032] kobject_init_and_add+0x125/0x190
[ 439.881314][ T9032] ? __pfx_kobject_init_and_add+0x10/0x10
[ 439.881338][ T9032] ? __raw_spin_lock_init+0x45/0x100
[ 439.881353][ T9032] ? __init_swait_queue_head+0xa9/0x150
[ 439.881379][ T9032] gfs2_sys_fs_add+0x234/0x450
[ 439.881400][ T9032] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 439.881422][ T9032] ? is_dynamic_key+0xd6/0x1c0
[ 439.881439][ T9032] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 439.881469][ T9032] gfs2_fill_super+0x13d1/0x2270
[ 439.881507][ T9032] ? __pfx_gfs2_fill_super+0x10/0x10
[ 439.881535][ T9032] ? sb_set_blocksize+0x104/0x180
[ 439.881563][ T9032] ? setup_bdev_super+0x4c1/0x5b0
[ 439.881588][ T9032] get_tree_bdev_flags+0x40e/0x4d0
[ 439.881609][ T9032] ? __pfx_gfs2_fill_super+0x10/0x10
[ 439.881630][ T9032] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 439.881648][ T9032] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 439.881674][ T9032] gfs2_get_tree+0x51/0x1e0
[ 439.881700][ T9032] vfs_get_tree+0x92/0x2b0
[ 439.881724][ T9032] do_new_mount+0x302/0xa10
[ 439.881754][ T9032] ? apparmor_capable+0x137/0x1b0
[ 439.881780][ T9032] ? __pfx_do_new_mount+0x10/0x10
[ 439.881803][ T9032] ? ns_capable+0x8a/0xf0
[ 439.881827][ T9032] ? kmem_cache_free+0x19b/0x690
[ 439.881856][ T9032] __se_sys_mount+0x313/0x410
[ 439.881886][ T9032] ? __pfx___se_sys_mount+0x10/0x10
[ 439.881913][ T9032] ? do_syscall_64+0xbe/0xfa0
[ 439.881935][ T9032] ? __x64_sys_mount+0x20/0xc0
[ 439.881960][ T9032] do_syscall_64+0xfa/0xfa0
[ 439.881986][ T9032] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 439.882003][ T9032] ? clear_bhb_loop+0x60/0xb0
[ 439.882023][ T9032] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 439.882039][ T9032] RIP: 0033:0x7f089859038a
[ 439.882055][ T9032] 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
[ 439.882070][ T9032] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 439.882089][ T9032] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 439.882103][ T9032] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 439.882117][ T9032] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 439.882129][ T9032] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 439.882139][ T9032] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 439.882170][ T9032]
[ 439.882196][ T9032] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 440.298349][ T9032] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 440.680606][ T1294] ieee802154 phy0 wpan0: encryption failed: -22
[ 440.693709][ T1294] ieee802154 phy1 wpan1: encryption failed: -22
[ 441.165271][ T9051] loop2: detected capacity change from 0 to 32768
[ 441.195023][ T9051] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 441.274003][ T9051] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 441.345540][ T9051] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 441.356151][ T9045] loop1: detected capacity change from 0 to 32768
[ 441.379411][ T793] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 441.400470][ T793] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 441.439902][ T9045] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 441.489676][ T9045] CPU: 0 UID: 0 PID: 9045 Comm: syz.1.511 Not tainted syzkaller #0 PREEMPT(full)
[ 441.489702][ T9045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 441.489713][ T9045] Call Trace:
[ 441.489720][ T9045]
[ 441.489728][ T9045] dump_stack_lvl+0x189/0x250
[ 441.489760][ T9045] ? __pfx_dump_stack_lvl+0x10/0x10
[ 441.489785][ T9045] ? __pfx__printk+0x10/0x10
[ 441.489810][ T9045] ? kernfs_path_from_node+0x250/0x290
[ 441.489828][ T9045] ? kernfs_path_from_node+0x2f/0x290
[ 441.489850][ T9045] sysfs_create_dir_ns+0x259/0x280
[ 441.489873][ T9045] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 441.489896][ T9045] ? do_raw_spin_unlock+0x122/0x240
[ 441.489920][ T9045] kobject_add_internal+0x59f/0xb70
[ 441.489954][ T9045] kobject_init_and_add+0x125/0x190
[ 441.489984][ T9045] ? __pfx_kobject_init_and_add+0x10/0x10
[ 441.490009][ T9045] ? __raw_spin_lock_init+0x45/0x100
[ 441.490027][ T9045] ? __init_swait_queue_head+0xa9/0x150
[ 441.490055][ T9045] gfs2_sys_fs_add+0x234/0x450
[ 441.490077][ T9045] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 441.490099][ T9045] ? is_dynamic_key+0xd6/0x1c0
[ 441.490118][ T9045] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 441.490148][ T9045] gfs2_fill_super+0x13d1/0x2270
[ 441.490186][ T9045] ? __pfx_gfs2_fill_super+0x10/0x10
[ 441.490215][ T9045] ? sb_set_blocksize+0x104/0x180
[ 441.490244][ T9045] ? setup_bdev_super+0x4c1/0x5b0
[ 441.490270][ T9045] get_tree_bdev_flags+0x40e/0x4d0
[ 441.490293][ T9045] ? __pfx_gfs2_fill_super+0x10/0x10
[ 441.490315][ T9045] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 441.490335][ T9045] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 441.490364][ T9045] gfs2_get_tree+0x51/0x1e0
[ 441.490391][ T9045] vfs_get_tree+0x92/0x2b0
[ 441.490416][ T9045] do_new_mount+0x302/0xa10
[ 441.490438][ T9045] ? apparmor_capable+0x137/0x1b0
[ 441.490464][ T9045] ? __pfx_do_new_mount+0x10/0x10
[ 441.490487][ T9045] ? ns_capable+0x8a/0xf0
[ 441.490513][ T9045] ? kmem_cache_free+0x19b/0x690
[ 441.490549][ T9045] __se_sys_mount+0x313/0x410
[ 441.490580][ T9045] ? __pfx___se_sys_mount+0x10/0x10
[ 441.490609][ T9045] ? do_syscall_64+0xbe/0xfa0
[ 441.490630][ T9045] ? __x64_sys_mount+0x20/0xc0
[ 441.490656][ T9045] do_syscall_64+0xfa/0xfa0
[ 441.490679][ T9045] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 441.490697][ T9045] ? clear_bhb_loop+0x60/0xb0
[ 441.490719][ T9045] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 441.490736][ T9045] RIP: 0033:0x7f88f099038a
[ 441.490754][ T9045] 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
[ 441.490769][ T9045] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 441.490789][ T9045] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 441.490803][ T9045] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 441.490817][ T9045] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 441.490829][ T9045] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 441.490842][ T9045] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 441.490874][ T9045]
[ 441.490900][ T9045] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 441.539269][ T9047] loop4: detected capacity change from 0 to 32768
[ 441.591848][ T9045] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 441.632089][ T793] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 231ms
[ 441.885358][ T9047] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 441.925440][ T9047] CPU: 0 UID: 0 PID: 9047 Comm: syz.4.512 Not tainted syzkaller #0 PREEMPT(full)
[ 441.925466][ T9047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 441.925478][ T9047] Call Trace:
[ 441.925486][ T9047]
[ 441.925495][ T9047] dump_stack_lvl+0x189/0x250
[ 441.925529][ T9047] ? __pfx_dump_stack_lvl+0x10/0x10
[ 441.925556][ T9047] ? __pfx__printk+0x10/0x10
[ 441.925583][ T9047] ? kernfs_path_from_node+0x250/0x290
[ 441.925604][ T9047] ? kernfs_path_from_node+0x2f/0x290
[ 441.925634][ T9047] sysfs_create_dir_ns+0x259/0x280
[ 441.925659][ T9047] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 441.925682][ T9047] ? do_raw_spin_unlock+0x122/0x240
[ 441.925706][ T9047] kobject_add_internal+0x59f/0xb70
[ 441.925742][ T9047] kobject_init_and_add+0x125/0x190
[ 441.925774][ T9047] ? __pfx_kobject_init_and_add+0x10/0x10
[ 441.925801][ T9047] ? __raw_spin_lock_init+0x45/0x100
[ 441.925822][ T9047] ? __init_swait_queue_head+0xa9/0x150
[ 441.925853][ T9047] gfs2_sys_fs_add+0x234/0x450
[ 441.925876][ T9047] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 441.925903][ T9047] ? is_dynamic_key+0xd6/0x1c0
[ 441.925924][ T9047] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 441.925957][ T9047] gfs2_fill_super+0x13d1/0x2270
[ 441.925999][ T9047] ? __pfx_gfs2_fill_super+0x10/0x10
[ 441.926028][ T9047] ? sb_set_blocksize+0x104/0x180
[ 441.926058][ T9047] ? setup_bdev_super+0x4c1/0x5b0
[ 441.926084][ T9047] get_tree_bdev_flags+0x40e/0x4d0
[ 441.926106][ T9047] ? __pfx_gfs2_fill_super+0x10/0x10
[ 441.926130][ T9047] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 441.926151][ T9047] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 441.926180][ T9047] gfs2_get_tree+0x51/0x1e0
[ 441.926207][ T9047] vfs_get_tree+0x92/0x2b0
[ 441.926233][ T9047] do_new_mount+0x302/0xa10
[ 441.926255][ T9047] ? apparmor_capable+0x137/0x1b0
[ 441.926281][ T9047] ? __pfx_do_new_mount+0x10/0x10
[ 441.926309][ T9047] ? ns_capable+0x8a/0xf0
[ 441.926335][ T9047] ? kmem_cache_free+0x19b/0x690
[ 441.926364][ T9047] __se_sys_mount+0x313/0x410
[ 441.926392][ T9047] ? __pfx___se_sys_mount+0x10/0x10
[ 441.926416][ T9047] ? do_syscall_64+0xbe/0xfa0
[ 441.926435][ T9047] ? __x64_sys_mount+0x20/0xc0
[ 441.926458][ T9047] do_syscall_64+0xfa/0xfa0
[ 441.926479][ T9047] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 441.926497][ T9047] ? clear_bhb_loop+0x60/0xb0
[ 441.926518][ T9047] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 441.926534][ T9047] RIP: 0033:0x7f1692b9038a
[ 441.926551][ T9047] 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
[ 441.926567][ T9047] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 441.926587][ T9047] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 441.926601][ T9047] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 441.926622][ T9047] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 441.926635][ T9047] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 441.926647][ T9047] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 441.926678][ T9047]
[ 441.926704][ T9047] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 441.931601][ T793] gfs2: fsid=syz:syz.0: jid=0: Done
[ 442.009999][ T9047] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 442.011481][ T9051] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 442.368991][ T9053] loop0: detected capacity change from 0 to 32768
[ 442.429210][ T9053] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 442.458553][ T9053] CPU: 0 UID: 0 PID: 9053 Comm: syz.0.515 Not tainted syzkaller #0 PREEMPT(full)
[ 442.458580][ T9053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 442.458592][ T9053] Call Trace:
[ 442.458599][ T9053]
[ 442.458608][ T9053] dump_stack_lvl+0x189/0x250
[ 442.458640][ T9053] ? __pfx_dump_stack_lvl+0x10/0x10
[ 442.458665][ T9053] ? __pfx__printk+0x10/0x10
[ 442.458692][ T9053] ? kernfs_path_from_node+0x250/0x290
[ 442.458712][ T9053] ? kernfs_path_from_node+0x2f/0x290
[ 442.458736][ T9053] sysfs_create_dir_ns+0x259/0x280
[ 442.458760][ T9053] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 442.458782][ T9053] ? do_raw_spin_unlock+0x122/0x240
[ 442.458806][ T9053] kobject_add_internal+0x59f/0xb70
[ 442.458840][ T9053] kobject_init_and_add+0x125/0x190
[ 442.458872][ T9053] ? __pfx_kobject_init_and_add+0x10/0x10
[ 442.458897][ T9053] ? __raw_spin_lock_init+0x45/0x100
[ 442.458918][ T9053] ? __init_swait_queue_head+0xa9/0x150
[ 442.458949][ T9053] gfs2_sys_fs_add+0x234/0x450
[ 442.458972][ T9053] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 442.458999][ T9053] ? is_dynamic_key+0xd6/0x1c0
[ 442.459020][ T9053] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 442.459052][ T9053] gfs2_fill_super+0x13d1/0x2270
[ 442.459092][ T9053] ? __pfx_gfs2_fill_super+0x10/0x10
[ 442.459120][ T9053] ? sb_set_blocksize+0x104/0x180
[ 442.459149][ T9053] ? setup_bdev_super+0x4c1/0x5b0
[ 442.459175][ T9053] get_tree_bdev_flags+0x40e/0x4d0
[ 442.459197][ T9053] ? __pfx_gfs2_fill_super+0x10/0x10
[ 442.459220][ T9053] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 442.459248][ T9053] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 442.459277][ T9053] gfs2_get_tree+0x51/0x1e0
[ 442.459304][ T9053] vfs_get_tree+0x92/0x2b0
[ 442.459328][ T9053] do_new_mount+0x302/0xa10
[ 442.459350][ T9053] ? apparmor_capable+0x137/0x1b0
[ 442.459376][ T9053] ? __pfx_do_new_mount+0x10/0x10
[ 442.459399][ T9053] ? ns_capable+0x8a/0xf0
[ 442.459424][ T9053] ? kmem_cache_free+0x19b/0x690
[ 442.459453][ T9053] __se_sys_mount+0x313/0x410
[ 442.459483][ T9053] ? __pfx___se_sys_mount+0x10/0x10
[ 442.459511][ T9053] ? do_syscall_64+0xbe/0xfa0
[ 442.459533][ T9053] ? __x64_sys_mount+0x20/0xc0
[ 442.459558][ T9053] do_syscall_64+0xfa/0xfa0
[ 442.459581][ T9053] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 442.459599][ T9053] ? clear_bhb_loop+0x60/0xb0
[ 442.459621][ T9053] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 442.459638][ T9053] RIP: 0033:0x7f089859038a
[ 442.459655][ T9053] 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
[ 442.459670][ T9053] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 442.459689][ T9053] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 442.459701][ T9053] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 442.459713][ T9053] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 442.459725][ T9053] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 442.459735][ T9053] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 442.459765][ T9053]
[ 442.459791][ T9053] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 442.823320][ T9053] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 443.021156][ T9057] loop3: detected capacity change from 0 to 32768
[ 443.083513][ T9057] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 443.101591][ T9057] CPU: 1 UID: 0 PID: 9057 Comm: syz.3.514 Not tainted syzkaller #0 PREEMPT(full)
[ 443.101616][ T9057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 443.101628][ T9057] Call Trace:
[ 443.101635][ T9057]
[ 443.101644][ T9057] dump_stack_lvl+0x189/0x250
[ 443.101677][ T9057] ? __pfx_dump_stack_lvl+0x10/0x10
[ 443.101703][ T9057] ? __pfx__printk+0x10/0x10
[ 443.101730][ T9057] ? kernfs_path_from_node+0x250/0x290
[ 443.101751][ T9057] ? kernfs_path_from_node+0x2f/0x290
[ 443.101775][ T9057] sysfs_create_dir_ns+0x259/0x280
[ 443.101800][ T9057] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 443.101822][ T9057] ? do_raw_spin_unlock+0x122/0x240
[ 443.101846][ T9057] kobject_add_internal+0x59f/0xb70
[ 443.101881][ T9057] kobject_init_and_add+0x125/0x190
[ 443.101913][ T9057] ? __pfx_kobject_init_and_add+0x10/0x10
[ 443.101940][ T9057] ? __raw_spin_lock_init+0x45/0x100
[ 443.101959][ T9057] ? __init_swait_queue_head+0xa9/0x150
[ 443.101988][ T9057] gfs2_sys_fs_add+0x234/0x450
[ 443.102010][ T9057] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 443.102036][ T9057] ? is_dynamic_key+0xd6/0x1c0
[ 443.102056][ T9057] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 443.102087][ T9057] gfs2_fill_super+0x13d1/0x2270
[ 443.102126][ T9057] ? __pfx_gfs2_fill_super+0x10/0x10
[ 443.102154][ T9057] ? sb_set_blocksize+0x104/0x180
[ 443.102182][ T9057] ? setup_bdev_super+0x4c1/0x5b0
[ 443.102207][ T9057] get_tree_bdev_flags+0x40e/0x4d0
[ 443.102229][ T9057] ? __pfx_gfs2_fill_super+0x10/0x10
[ 443.102252][ T9057] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 443.102271][ T9057] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 443.102299][ T9057] gfs2_get_tree+0x51/0x1e0
[ 443.102326][ T9057] vfs_get_tree+0x92/0x2b0
[ 443.102350][ T9057] do_new_mount+0x302/0xa10
[ 443.102372][ T9057] ? apparmor_capable+0x137/0x1b0
[ 443.102398][ T9057] ? __pfx_do_new_mount+0x10/0x10
[ 443.102429][ T9057] ? ns_capable+0x8a/0xf0
[ 443.102454][ T9057] ? kmem_cache_free+0x19b/0x690
[ 443.102484][ T9057] __se_sys_mount+0x313/0x410
[ 443.102515][ T9057] ? __pfx___se_sys_mount+0x10/0x10
[ 443.102543][ T9057] ? do_syscall_64+0xbe/0xfa0
[ 443.102564][ T9057] ? __x64_sys_mount+0x20/0xc0
[ 443.102590][ T9057] do_syscall_64+0xfa/0xfa0
[ 443.102613][ T9057] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 443.102632][ T9057] ? clear_bhb_loop+0x60/0xb0
[ 443.102654][ T9057] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 443.102671][ T9057] RIP: 0033:0x7fc3ca99038a
[ 443.102688][ T9057] 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
[ 443.102703][ T9057] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 443.102722][ T9057] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 443.102736][ T9057] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 443.102749][ T9057] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 443.102761][ T9057] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 443.102773][ T9057] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 443.102806][ T9057]
[ 443.102831][ T9057] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 443.452797][ T9057] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 444.000343][ T9067] loop4: detected capacity change from 0 to 32768
[ 444.053441][ T9067] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 444.091522][ T9067] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 444.157678][ T9067] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 444.206211][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 444.213010][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 444.231719][ T9069] loop1: detected capacity change from 0 to 32768
[ 444.296203][ T9069] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 444.323752][ T9069] CPU: 1 UID: 0 PID: 9069 Comm: syz.1.517 Not tainted syzkaller #0 PREEMPT(full)
[ 444.323778][ T9069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 444.323789][ T9069] Call Trace:
[ 444.323797][ T9069]
[ 444.323806][ T9069] dump_stack_lvl+0x189/0x250
[ 444.323837][ T9069] ? __pfx_dump_stack_lvl+0x10/0x10
[ 444.323861][ T9069] ? __pfx__printk+0x10/0x10
[ 444.323887][ T9069] ? kernfs_path_from_node+0x250/0x290
[ 444.323907][ T9069] ? kernfs_path_from_node+0x2f/0x290
[ 444.323931][ T9069] sysfs_create_dir_ns+0x259/0x280
[ 444.323954][ T9069] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 444.323977][ T9069] ? do_raw_spin_unlock+0x122/0x240
[ 444.324000][ T9069] kobject_add_internal+0x59f/0xb70
[ 444.324035][ T9069] kobject_init_and_add+0x125/0x190
[ 444.324064][ T9069] ? __pfx_kobject_init_and_add+0x10/0x10
[ 444.324091][ T9069] ? __raw_spin_lock_init+0x45/0x100
[ 444.324110][ T9069] ? __init_swait_queue_head+0xa9/0x150
[ 444.324140][ T9069] gfs2_sys_fs_add+0x234/0x450
[ 444.324161][ T9069] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 444.324186][ T9069] ? is_dynamic_key+0xd6/0x1c0
[ 444.324206][ T9069] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 444.324234][ T9069] gfs2_fill_super+0x13d1/0x2270
[ 444.324273][ T9069] ? __pfx_gfs2_fill_super+0x10/0x10
[ 444.324305][ T9069] ? sb_set_blocksize+0x104/0x180
[ 444.324338][ T9069] ? setup_bdev_super+0x4c1/0x5b0
[ 444.324373][ T9069] get_tree_bdev_flags+0x40e/0x4d0
[ 444.324395][ T9069] ? __pfx_gfs2_fill_super+0x10/0x10
[ 444.324419][ T9069] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 444.324438][ T9069] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 444.324467][ T9069] gfs2_get_tree+0x51/0x1e0
[ 444.324494][ T9069] vfs_get_tree+0x92/0x2b0
[ 444.324518][ T9069] do_new_mount+0x302/0xa10
[ 444.324539][ T9069] ? apparmor_capable+0x137/0x1b0
[ 444.324565][ T9069] ? __pfx_do_new_mount+0x10/0x10
[ 444.324588][ T9069] ? ns_capable+0x8a/0xf0
[ 444.324613][ T9069] ? kmem_cache_free+0x19b/0x690
[ 444.324640][ T9069] __se_sys_mount+0x313/0x410
[ 444.324669][ T9069] ? __pfx___se_sys_mount+0x10/0x10
[ 444.324697][ T9069] ? do_syscall_64+0xbe/0xfa0
[ 444.324718][ T9069] ? __x64_sys_mount+0x20/0xc0
[ 444.324743][ T9069] do_syscall_64+0xfa/0xfa0
[ 444.324765][ T9069] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 444.324783][ T9069] ? clear_bhb_loop+0x60/0xb0
[ 444.324803][ T9069] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 444.324821][ T9069] RIP: 0033:0x7f88f099038a
[ 444.324836][ T9069] 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
[ 444.324850][ T9069] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 444.324868][ T9069] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 444.324881][ T9069] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 444.324894][ T9069] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 444.324907][ T9069] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 444.324919][ T9069] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 444.324950][ T9069]
[ 444.325120][ T9069] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 444.426771][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 213ms
[ 444.453235][ T9069] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 444.560167][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
2025/11/08 13:51:42 executed programs: 514
[ 444.826190][ T9067] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 445.211754][ T9073] loop0: detected capacity change from 0 to 32768
[ 445.256518][ T9073] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 445.288786][ T9073] CPU: 1 UID: 0 PID: 9073 Comm: syz.0.519 Not tainted syzkaller #0 PREEMPT(full)
[ 445.288813][ T9073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 445.288825][ T9073] Call Trace:
[ 445.288833][ T9073]
[ 445.288842][ T9073] dump_stack_lvl+0x189/0x250
[ 445.288875][ T9073] ? __pfx_dump_stack_lvl+0x10/0x10
[ 445.288900][ T9073] ? __pfx__printk+0x10/0x10
[ 445.288927][ T9073] ? kernfs_path_from_node+0x250/0x290
[ 445.288947][ T9073] ? kernfs_path_from_node+0x2f/0x290
[ 445.288972][ T9073] sysfs_create_dir_ns+0x259/0x280
[ 445.288996][ T9073] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 445.289019][ T9073] ? do_raw_spin_unlock+0x122/0x240
[ 445.289050][ T9073] kobject_add_internal+0x59f/0xb70
[ 445.289086][ T9073] kobject_init_and_add+0x125/0x190
[ 445.289117][ T9073] ? __pfx_kobject_init_and_add+0x10/0x10
[ 445.289144][ T9073] ? __raw_spin_lock_init+0x45/0x100
[ 445.289165][ T9073] ? __init_swait_queue_head+0xa9/0x150
[ 445.289195][ T9073] gfs2_sys_fs_add+0x234/0x450
[ 445.289218][ T9073] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 445.289245][ T9073] ? is_dynamic_key+0xd6/0x1c0
[ 445.289265][ T9073] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 445.289298][ T9073] gfs2_fill_super+0x13d1/0x2270
[ 445.289339][ T9073] ? __pfx_gfs2_fill_super+0x10/0x10
[ 445.289368][ T9073] ? sb_set_blocksize+0x104/0x180
[ 445.289397][ T9073] ? setup_bdev_super+0x4c1/0x5b0
[ 445.289422][ T9073] get_tree_bdev_flags+0x40e/0x4d0
[ 445.289444][ T9073] ? __pfx_gfs2_fill_super+0x10/0x10
[ 445.289467][ T9073] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 445.289487][ T9073] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 445.289515][ T9073] gfs2_get_tree+0x51/0x1e0
[ 445.289543][ T9073] vfs_get_tree+0x92/0x2b0
[ 445.289567][ T9073] do_new_mount+0x302/0xa10
[ 445.289589][ T9073] ? apparmor_capable+0x137/0x1b0
[ 445.289615][ T9073] ? __pfx_do_new_mount+0x10/0x10
[ 445.289638][ T9073] ? ns_capable+0x8a/0xf0
[ 445.289663][ T9073] ? kmem_cache_free+0x19b/0x690
[ 445.289693][ T9073] __se_sys_mount+0x313/0x410
[ 445.289723][ T9073] ? __pfx___se_sys_mount+0x10/0x10
[ 445.289751][ T9073] ? do_syscall_64+0xbe/0xfa0
[ 445.289773][ T9073] ? __x64_sys_mount+0x20/0xc0
[ 445.289798][ T9073] do_syscall_64+0xfa/0xfa0
[ 445.289822][ T9073] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 445.289839][ T9073] ? clear_bhb_loop+0x60/0xb0
[ 445.289861][ T9073] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 445.289878][ T9073] RIP: 0033:0x7f089859038a
[ 445.289896][ T9073] 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
[ 445.289912][ T9073] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 445.289931][ T9073] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 445.289946][ T9073] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 445.289959][ T9073] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 445.289972][ T9073] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 445.289984][ T9073] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 445.290016][ T9073]
[ 445.290047][ T9073] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 445.295181][ T9075] loop2: detected capacity change from 0 to 32768
[ 445.603295][ T9073] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 445.663548][ T9075] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 445.681275][ T9075] CPU: 1 UID: 0 PID: 9075 Comm: syz.2.518 Not tainted syzkaller #0 PREEMPT(full)
[ 445.681301][ T9075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 445.681313][ T9075] Call Trace:
[ 445.681329][ T9075]
[ 445.681337][ T9075] dump_stack_lvl+0x189/0x250
[ 445.681370][ T9075] ? __pfx_dump_stack_lvl+0x10/0x10
[ 445.681396][ T9075] ? __pfx__printk+0x10/0x10
[ 445.681423][ T9075] ? kernfs_path_from_node+0x250/0x290
[ 445.681444][ T9075] ? kernfs_path_from_node+0x2f/0x290
[ 445.681468][ T9075] sysfs_create_dir_ns+0x259/0x280
[ 445.681493][ T9075] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 445.681516][ T9075] ? do_raw_spin_unlock+0x122/0x240
[ 445.681539][ T9075] kobject_add_internal+0x59f/0xb70
[ 445.681575][ T9075] kobject_init_and_add+0x125/0x190
[ 445.681613][ T9075] ? __pfx_kobject_init_and_add+0x10/0x10
[ 445.681641][ T9075] ? __raw_spin_lock_init+0x45/0x100
[ 445.681660][ T9075] ? __init_swait_queue_head+0xa9/0x150
[ 445.681691][ T9075] gfs2_sys_fs_add+0x234/0x450
[ 445.681714][ T9075] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 445.681741][ T9075] ? is_dynamic_key+0xd6/0x1c0
[ 445.681761][ T9075] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 445.681794][ T9075] gfs2_fill_super+0x13d1/0x2270
[ 445.681834][ T9075] ? __pfx_gfs2_fill_super+0x10/0x10
[ 445.681862][ T9075] ? sb_set_blocksize+0x104/0x180
[ 445.681891][ T9075] ? setup_bdev_super+0x4c1/0x5b0
[ 445.681917][ T9075] get_tree_bdev_flags+0x40e/0x4d0
[ 445.681939][ T9075] ? __pfx_gfs2_fill_super+0x10/0x10
[ 445.681962][ T9075] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 445.681982][ T9075] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 445.682011][ T9075] gfs2_get_tree+0x51/0x1e0
[ 445.682039][ T9075] vfs_get_tree+0x92/0x2b0
[ 445.682064][ T9075] do_new_mount+0x302/0xa10
[ 445.682085][ T9075] ? apparmor_capable+0x137/0x1b0
[ 445.682110][ T9075] ? __pfx_do_new_mount+0x10/0x10
[ 445.682134][ T9075] ? ns_capable+0x8a/0xf0
[ 445.682159][ T9075] ? kmem_cache_free+0x19b/0x690
[ 445.682189][ T9075] __se_sys_mount+0x313/0x410
[ 445.682219][ T9075] ? __pfx___se_sys_mount+0x10/0x10
[ 445.682247][ T9075] ? do_syscall_64+0xbe/0xfa0
[ 445.682269][ T9075] ? __x64_sys_mount+0x20/0xc0
[ 445.682295][ T9075] do_syscall_64+0xfa/0xfa0
[ 445.682324][ T9075] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 445.682342][ T9075] ? clear_bhb_loop+0x60/0xb0
[ 445.682364][ T9075] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 445.682382][ T9075] RIP: 0033:0x7fc26d19038a
[ 445.682399][ T9075] 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
[ 445.682414][ T9075] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 445.682434][ T9075] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 445.682448][ T9075] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 445.682460][ T9075] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 445.682474][ T9075] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 445.682486][ T9075] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 445.682518][ T9075]
[ 445.682546][ T9075] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 445.770094][ T9085] loop1: detected capacity change from 0 to 32768
[ 445.845550][ T9079] loop3: detected capacity change from 0 to 32768
[ 445.863327][ T9075] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 446.074029][ T9085] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 446.099550][ T9079] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 446.109707][ T9085] CPU: 0 UID: 0 PID: 9085 Comm: syz.1.521 Not tainted syzkaller #0 PREEMPT(full)
[ 446.109733][ T9085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 446.109745][ T9085] Call Trace:
[ 446.109753][ T9085]
[ 446.109761][ T9085] dump_stack_lvl+0x189/0x250
[ 446.109795][ T9085] ? __pfx_dump_stack_lvl+0x10/0x10
[ 446.109820][ T9085] ? __pfx__printk+0x10/0x10
[ 446.109847][ T9085] ? kernfs_path_from_node+0x250/0x290
[ 446.109863][ T9085] ? kernfs_path_from_node+0x2f/0x290
[ 446.109882][ T9085] sysfs_create_dir_ns+0x259/0x280
[ 446.109905][ T9085] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 446.109927][ T9085] ? do_raw_spin_unlock+0x122/0x240
[ 446.109951][ T9085] kobject_add_internal+0x59f/0xb70
[ 446.109985][ T9085] kobject_init_and_add+0x125/0x190
[ 446.110017][ T9085] ? __pfx_kobject_init_and_add+0x10/0x10
[ 446.110044][ T9085] ? __raw_spin_lock_init+0x45/0x100
[ 446.110064][ T9085] ? __init_swait_queue_head+0xa9/0x150
[ 446.110094][ T9085] gfs2_sys_fs_add+0x234/0x450
[ 446.110118][ T9085] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 446.110146][ T9085] ? is_dynamic_key+0xd6/0x1c0
[ 446.110174][ T9085] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 446.110208][ T9085] gfs2_fill_super+0x13d1/0x2270
[ 446.110249][ T9085] ? __pfx_gfs2_fill_super+0x10/0x10
[ 446.110278][ T9085] ? sb_set_blocksize+0x104/0x180
[ 446.110307][ T9085] ? setup_bdev_super+0x4c1/0x5b0
[ 446.110332][ T9085] get_tree_bdev_flags+0x40e/0x4d0
[ 446.110354][ T9085] ? __pfx_gfs2_fill_super+0x10/0x10
[ 446.110377][ T9085] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 446.110397][ T9085] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 446.110425][ T9085] gfs2_get_tree+0x51/0x1e0
[ 446.110452][ T9085] vfs_get_tree+0x92/0x2b0
[ 446.110477][ T9085] do_new_mount+0x302/0xa10
[ 446.110498][ T9085] ? apparmor_capable+0x137/0x1b0
[ 446.110523][ T9085] ? __pfx_do_new_mount+0x10/0x10
[ 446.110547][ T9085] ? ns_capable+0x8a/0xf0
[ 446.110572][ T9085] ? kmem_cache_free+0x19b/0x690
[ 446.110602][ T9085] __se_sys_mount+0x313/0x410
[ 446.110631][ T9085] ? __pfx___se_sys_mount+0x10/0x10
[ 446.110660][ T9085] ? do_syscall_64+0xbe/0xfa0
[ 446.110681][ T9085] ? __x64_sys_mount+0x20/0xc0
[ 446.110707][ T9085] do_syscall_64+0xfa/0xfa0
[ 446.110731][ T9085] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 446.110748][ T9085] ? clear_bhb_loop+0x60/0xb0
[ 446.110770][ T9085] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 446.110787][ T9085] RIP: 0033:0x7f88f099038a
[ 446.110804][ T9085] 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
[ 446.110820][ T9085] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 446.110840][ T9085] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 446.110855][ T9085] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 446.110868][ T9085] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 446.110880][ T9085] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 446.110894][ T9085] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 446.110924][ T9085]
[ 446.110945][ T9085] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 446.338840][ T9079] CPU: 1 UID: 0 PID: 9079 Comm: syz.3.520 Not tainted syzkaller #0 PREEMPT(full)
[ 446.338868][ T9079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 446.338879][ T9079] Call Trace:
[ 446.338888][ T9079]
[ 446.338897][ T9079] dump_stack_lvl+0x189/0x250
[ 446.338929][ T9079] ? __pfx_dump_stack_lvl+0x10/0x10
[ 446.338955][ T9079] ? __pfx__printk+0x10/0x10
[ 446.338981][ T9079] ? kernfs_path_from_node+0x250/0x290
[ 446.339065][ T9079] ? kernfs_path_from_node+0x2f/0x290
[ 446.339105][ T9079] sysfs_create_dir_ns+0x259/0x280
[ 446.339131][ T9079] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 446.339196][ T9079] ? do_raw_spin_unlock+0x122/0x240
[ 446.339223][ T9079] kobject_add_internal+0x59f/0xb70
[ 446.339255][ T9079] kobject_init_and_add+0x125/0x190
[ 446.339284][ T9079] ? __pfx_kobject_init_and_add+0x10/0x10
[ 446.339309][ T9079] ? __raw_spin_lock_init+0x45/0x100
[ 446.339329][ T9079] ? __init_swait_queue_head+0xa9/0x150
[ 446.339357][ T9079] gfs2_sys_fs_add+0x234/0x450
[ 446.339381][ T9079] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 446.339403][ T9079] ? is_dynamic_key+0xd6/0x1c0
[ 446.339422][ T9079] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 446.339455][ T9079] gfs2_fill_super+0x13d1/0x2270
[ 446.339496][ T9079] ? __pfx_gfs2_fill_super+0x10/0x10
[ 446.339525][ T9079] ? sb_set_blocksize+0x104/0x180
[ 446.339554][ T9079] ? setup_bdev_super+0x4c1/0x5b0
[ 446.339579][ T9079] get_tree_bdev_flags+0x40e/0x4d0
[ 446.339602][ T9079] ? __pfx_gfs2_fill_super+0x10/0x10
[ 446.339626][ T9079] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 446.339646][ T9079] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 446.339677][ T9079] gfs2_get_tree+0x51/0x1e0
[ 446.339703][ T9079] vfs_get_tree+0x92/0x2b0
[ 446.339728][ T9079] do_new_mount+0x302/0xa10
[ 446.339750][ T9079] ? apparmor_capable+0x137/0x1b0
[ 446.339776][ T9079] ? __pfx_do_new_mount+0x10/0x10
[ 446.339800][ T9079] ? ns_capable+0x8a/0xf0
[ 446.339825][ T9079] ? kmem_cache_free+0x19b/0x690
[ 446.339855][ T9079] __se_sys_mount+0x313/0x410
[ 446.339885][ T9079] ? __pfx___se_sys_mount+0x10/0x10
[ 446.339911][ T9079] ? do_syscall_64+0xbe/0xfa0
[ 446.339937][ T9079] ? __x64_sys_mount+0x20/0xc0
[ 446.339964][ T9079] do_syscall_64+0xfa/0xfa0
[ 446.339987][ T9079] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 446.340005][ T9079] ? clear_bhb_loop+0x60/0xb0
[ 446.340028][ T9079] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 446.340047][ T9079] RIP: 0033:0x7fc3ca99038a
[ 446.340071][ T9079] 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
[ 446.340086][ T9079] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 446.340106][ T9079] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 446.340119][ T9079] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 446.340132][ T9079] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 446.340145][ T9079] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 446.340163][ T9079] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 446.340196][ T9079]
[ 446.348610][ T9079] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 446.715894][ T9085] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 446.753286][ T9079] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 447.999738][ T9098] loop4: detected capacity change from 0 to 32768
[ 448.050172][ T9098] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 448.095468][ T9095] loop2: detected capacity change from 0 to 32768
[ 448.099992][ T9098] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 448.144724][ T9099] loop0: detected capacity change from 0 to 32768
[ 448.177580][ T9095] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 448.204916][ T9099] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 448.229080][ T9098] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 448.249198][ T9095] CPU: 0 UID: 0 PID: 9095 Comm: syz.2.523 Not tainted syzkaller #0 PREEMPT(full)
[ 448.249225][ T9095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 448.249237][ T9095] Call Trace:
[ 448.249245][ T9095]
[ 448.249253][ T9095] dump_stack_lvl+0x189/0x250
[ 448.249286][ T9095] ? __pfx_dump_stack_lvl+0x10/0x10
[ 448.249311][ T9095] ? __pfx__printk+0x10/0x10
[ 448.249339][ T9095] ? kernfs_path_from_node+0x250/0x290
[ 448.249359][ T9095] ? kernfs_path_from_node+0x2f/0x290
[ 448.249383][ T9095] sysfs_create_dir_ns+0x259/0x280
[ 448.249415][ T9095] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 448.249438][ T9095] ? do_raw_spin_unlock+0x122/0x240
[ 448.249462][ T9095] kobject_add_internal+0x59f/0xb70
[ 448.249497][ T9095] kobject_init_and_add+0x125/0x190
[ 448.249528][ T9095] ? __pfx_kobject_init_and_add+0x10/0x10
[ 448.249555][ T9095] ? __raw_spin_lock_init+0x45/0x100
[ 448.249576][ T9095] ? __init_swait_queue_head+0xa9/0x150
[ 448.249606][ T9095] gfs2_sys_fs_add+0x234/0x450
[ 448.249630][ T9095] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 448.249656][ T9095] ? is_dynamic_key+0xd6/0x1c0
[ 448.249676][ T9095] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 448.249710][ T9095] gfs2_fill_super+0x13d1/0x2270
[ 448.249751][ T9095] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.249780][ T9095] ? sb_set_blocksize+0x104/0x180
[ 448.249815][ T9095] ? setup_bdev_super+0x4c1/0x5b0
[ 448.249841][ T9095] get_tree_bdev_flags+0x40e/0x4d0
[ 448.249863][ T9095] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.249886][ T9095] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 448.249906][ T9095] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 448.249935][ T9095] gfs2_get_tree+0x51/0x1e0
[ 448.249962][ T9095] vfs_get_tree+0x92/0x2b0
[ 448.249987][ T9095] do_new_mount+0x302/0xa10
[ 448.250008][ T9095] ? apparmor_capable+0x137/0x1b0
[ 448.250034][ T9095] ? __pfx_do_new_mount+0x10/0x10
[ 448.250057][ T9095] ? ns_capable+0x8a/0xf0
[ 448.250083][ T9095] ? kmem_cache_free+0x19b/0x690
[ 448.250113][ T9095] __se_sys_mount+0x313/0x410
[ 448.250143][ T9095] ? __pfx___se_sys_mount+0x10/0x10
[ 448.250171][ T9095] ? do_syscall_64+0xbe/0xfa0
[ 448.250201][ T9095] ? __x64_sys_mount+0x20/0xc0
[ 448.250227][ T9095] do_syscall_64+0xfa/0xfa0
[ 448.250250][ T9095] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.250269][ T9095] ? clear_bhb_loop+0x60/0xb0
[ 448.250290][ T9095] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.250307][ T9095] RIP: 0033:0x7fc26d19038a
[ 448.250324][ T9095] 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
[ 448.250340][ T9095] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 448.250360][ T9095] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 448.250373][ T9095] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 448.250383][ T9095] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 448.250396][ T9095] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 448.250408][ T9095] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 448.250440][ T9095]
[ 448.250466][ T9095] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 448.280165][ T9101] loop3: detected capacity change from 0 to 32768
[ 448.310275][ T9099] CPU: 0 UID: 0 PID: 9099 Comm: syz.0.524 Not tainted syzkaller #0 PREEMPT(full)
[ 448.310300][ T9099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 448.310312][ T9099] Call Trace:
[ 448.310320][ T9099]
[ 448.310329][ T9099] dump_stack_lvl+0x189/0x250
[ 448.310361][ T9099] ? __pfx_dump_stack_lvl+0x10/0x10
[ 448.310387][ T9099] ? __pfx__printk+0x10/0x10
[ 448.310413][ T9099] ? kernfs_path_from_node+0x250/0x290
[ 448.310433][ T9099] ? kernfs_path_from_node+0x2f/0x290
[ 448.310457][ T9099] sysfs_create_dir_ns+0x259/0x280
[ 448.310480][ T9099] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 448.310502][ T9099] ? do_raw_spin_unlock+0x122/0x240
[ 448.310525][ T9099] kobject_add_internal+0x59f/0xb70
[ 448.310559][ T9099] kobject_init_and_add+0x125/0x190
[ 448.310589][ T9099] ? __pfx_kobject_init_and_add+0x10/0x10
[ 448.310616][ T9099] ? __raw_spin_lock_init+0x45/0x100
[ 448.310636][ T9099] ? __init_swait_queue_head+0xa9/0x150
[ 448.310667][ T9099] gfs2_sys_fs_add+0x234/0x450
[ 448.310688][ T9099] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 448.310731][ T9099] ? is_dynamic_key+0xd6/0x1c0
[ 448.310752][ T9099] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 448.310790][ T9099] gfs2_fill_super+0x13d1/0x2270
[ 448.310830][ T9099] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.310858][ T9099] ? sb_set_blocksize+0x104/0x180
[ 448.310887][ T9099] ? setup_bdev_super+0x4c1/0x5b0
[ 448.310912][ T9099] get_tree_bdev_flags+0x40e/0x4d0
[ 448.310934][ T9099] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.310958][ T9099] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 448.310977][ T9099] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 448.311011][ T9099] gfs2_get_tree+0x51/0x1e0
[ 448.311038][ T9099] vfs_get_tree+0x92/0x2b0
[ 448.311062][ T9099] do_new_mount+0x302/0xa10
[ 448.311083][ T9099] ? apparmor_capable+0x137/0x1b0
[ 448.311107][ T9099] ? __pfx_do_new_mount+0x10/0x10
[ 448.311130][ T9099] ? ns_capable+0x8a/0xf0
[ 448.311155][ T9099] ? kmem_cache_free+0x19b/0x690
[ 448.311184][ T9099] __se_sys_mount+0x313/0x410
[ 448.311213][ T9099] ? __pfx___se_sys_mount+0x10/0x10
[ 448.311241][ T9099] ? do_syscall_64+0xbe/0xfa0
[ 448.311262][ T9099] ? __x64_sys_mount+0x20/0xc0
[ 448.311287][ T9099] do_syscall_64+0xfa/0xfa0
[ 448.311311][ T9099] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.311328][ T9099] ? clear_bhb_loop+0x60/0xb0
[ 448.311350][ T9099] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.311366][ T9099] RIP: 0033:0x7f089859038a
[ 448.311383][ T9099] 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
[ 448.311398][ T9099] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 448.311417][ T9099] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 448.311431][ T9099] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 448.311444][ T9099] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 448.311456][ T9099] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 448.311467][ T9099] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 448.311498][ T9099]
[ 448.311524][ T9099] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 448.413420][ T9095] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 448.643322][ T9099] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 448.680587][ T9103] loop1: detected capacity change from 0 to 32768
[ 448.683161][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 448.826096][ T9101] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 448.883253][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 448.928469][ T9101] CPU: 1 UID: 0 PID: 9101 Comm: syz.3.525 Not tainted syzkaller #0 PREEMPT(full)
[ 448.928494][ T9101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 448.928506][ T9101] Call Trace:
[ 448.928514][ T9101]
[ 448.928522][ T9101] dump_stack_lvl+0x189/0x250
[ 448.928555][ T9101] ? __pfx_dump_stack_lvl+0x10/0x10
[ 448.928580][ T9101] ? __pfx__printk+0x10/0x10
[ 448.928606][ T9101] ? kernfs_path_from_node+0x250/0x290
[ 448.928626][ T9101] ? kernfs_path_from_node+0x2f/0x290
[ 448.928650][ T9101] sysfs_create_dir_ns+0x259/0x280
[ 448.928673][ T9101] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 448.928695][ T9101] ? do_raw_spin_unlock+0x122/0x240
[ 448.928717][ T9101] kobject_add_internal+0x59f/0xb70
[ 448.928751][ T9101] kobject_init_and_add+0x125/0x190
[ 448.928782][ T9101] ? __pfx_kobject_init_and_add+0x10/0x10
[ 448.928808][ T9101] ? __raw_spin_lock_init+0x45/0x100
[ 448.928828][ T9101] ? __init_swait_queue_head+0xa9/0x150
[ 448.928858][ T9101] gfs2_sys_fs_add+0x234/0x450
[ 448.928881][ T9101] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 448.928906][ T9101] ? is_dynamic_key+0xd6/0x1c0
[ 448.928926][ T9101] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 448.928965][ T9101] gfs2_fill_super+0x13d1/0x2270
[ 448.929005][ T9101] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.929033][ T9101] ? sb_set_blocksize+0x104/0x180
[ 448.929061][ T9101] ? setup_bdev_super+0x4c1/0x5b0
[ 448.929086][ T9101] get_tree_bdev_flags+0x40e/0x4d0
[ 448.929108][ T9101] ? __pfx_gfs2_fill_super+0x10/0x10
[ 448.929131][ T9101] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 448.929151][ T9101] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 448.929177][ T9101] gfs2_get_tree+0x51/0x1e0
[ 448.929203][ T9101] vfs_get_tree+0x92/0x2b0
[ 448.929227][ T9101] do_new_mount+0x302/0xa10
[ 448.929249][ T9101] ? apparmor_capable+0x137/0x1b0
[ 448.929274][ T9101] ? __pfx_do_new_mount+0x10/0x10
[ 448.929297][ T9101] ? ns_capable+0x8a/0xf0
[ 448.929321][ T9101] ? kmem_cache_free+0x19b/0x690
[ 448.929350][ T9101] __se_sys_mount+0x313/0x410
[ 448.929379][ T9101] ? __pfx___se_sys_mount+0x10/0x10
[ 448.929407][ T9101] ? do_syscall_64+0xbe/0xfa0
[ 448.929428][ T9101] ? __x64_sys_mount+0x20/0xc0
[ 448.929453][ T9101] do_syscall_64+0xfa/0xfa0
[ 448.929476][ T9101] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.929494][ T9101] ? clear_bhb_loop+0x60/0xb0
[ 448.929515][ T9101] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 448.929531][ T9101] RIP: 0033:0x7fc3ca99038a
[ 448.929548][ T9101] 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
[ 448.929562][ T9101] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 448.929590][ T9101] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 448.929603][ T9101] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 448.929616][ T9101] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 448.929628][ T9101] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 448.929639][ T9101] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 448.929670][ T9101]
[ 448.929695][ T9101] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 448.995356][ T9103] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 449.014591][ T9101] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 449.323393][ T9103] CPU: 1 UID: 0 PID: 9103 Comm: syz.1.526 Not tainted syzkaller #0 PREEMPT(full)
[ 449.323419][ T9103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 449.323429][ T9103] Call Trace:
[ 449.323437][ T9103]
[ 449.323445][ T9103] dump_stack_lvl+0x189/0x250
[ 449.323475][ T9103] ? __pfx_dump_stack_lvl+0x10/0x10
[ 449.323497][ T9103] ? __pfx__printk+0x10/0x10
[ 449.323521][ T9103] ? kernfs_path_from_node+0x250/0x290
[ 449.323539][ T9103] ? kernfs_path_from_node+0x2f/0x290
[ 449.323561][ T9103] sysfs_create_dir_ns+0x259/0x280
[ 449.323583][ T9103] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 449.323603][ T9103] ? do_raw_spin_unlock+0x122/0x240
[ 449.323626][ T9103] kobject_add_internal+0x59f/0xb70
[ 449.323662][ T9103] kobject_init_and_add+0x125/0x190
[ 449.323692][ T9103] ? __pfx_kobject_init_and_add+0x10/0x10
[ 449.323720][ T9103] ? __raw_spin_lock_init+0x45/0x100
[ 449.323740][ T9103] ? __init_swait_queue_head+0xa9/0x150
[ 449.323770][ T9103] gfs2_sys_fs_add+0x234/0x450
[ 449.323794][ T9103] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 449.323820][ T9103] ? is_dynamic_key+0xd6/0x1c0
[ 449.323839][ T9103] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 449.323871][ T9103] gfs2_fill_super+0x13d1/0x2270
[ 449.323912][ T9103] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.323942][ T9103] ? sb_set_blocksize+0x104/0x180
[ 449.323971][ T9103] ? setup_bdev_super+0x4c1/0x5b0
[ 449.324006][ T9103] get_tree_bdev_flags+0x40e/0x4d0
[ 449.324030][ T9103] ? __pfx_gfs2_fill_super+0x10/0x10
[ 449.324054][ T9103] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 449.324074][ T9103] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 449.324103][ T9103] gfs2_get_tree+0x51/0x1e0
[ 449.324131][ T9103] vfs_get_tree+0x92/0x2b0
[ 449.324155][ T9103] do_new_mount+0x302/0xa10
[ 449.324177][ T9103] ? apparmor_capable+0x137/0x1b0
[ 449.324203][ T9103] ? __pfx_do_new_mount+0x10/0x10
[ 449.324226][ T9103] ? ns_capable+0x8a/0xf0
[ 449.324251][ T9103] ? kmem_cache_free+0x19b/0x690
[ 449.324281][ T9103] __se_sys_mount+0x313/0x410
[ 449.324311][ T9103] ? __pfx___se_sys_mount+0x10/0x10
[ 449.324340][ T9103] ? do_syscall_64+0xbe/0xfa0
[ 449.324361][ T9103] ? __x64_sys_mount+0x20/0xc0
[ 449.324387][ T9103] do_syscall_64+0xfa/0xfa0
[ 449.324411][ T9103] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.324430][ T9103] ? clear_bhb_loop+0x60/0xb0
[ 449.324451][ T9103] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 449.324469][ T9103] RIP: 0033:0x7f88f099038a
[ 449.324485][ T9103] 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
[ 449.324501][ T9103] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 449.324521][ T9103] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 449.324535][ T9103] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 449.324548][ T9103] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 449.324561][ T9103] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 449.324572][ T9103] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 449.324605][ T9103]
[ 449.324633][ T9103] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 449.421429][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 538ms
[ 449.463275][ T9103] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 449.519619][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
2025/11/08 13:51:47 executed programs: 521
[ 449.948384][ T9098] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 450.846789][ T9119] loop2: detected capacity change from 0 to 32768
[ 450.894887][ T9119] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 450.903105][ T9119] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 450.905904][ T9115] loop3: detected capacity change from 0 to 32768
[ 450.945322][ T9115] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 450.945738][ T9117] loop0: detected capacity change from 0 to 32768
[ 450.952747][ T9115] CPU: 1 UID: 0 PID: 9115 Comm: syz.3.527 Not tainted syzkaller #0 PREEMPT(full)
[ 450.952766][ T9115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 450.952777][ T9115] Call Trace:
[ 450.952785][ T9115]
[ 450.952792][ T9115] dump_stack_lvl+0x189/0x250
[ 450.952823][ T9115] ? __pfx_dump_stack_lvl+0x10/0x10
[ 450.952847][ T9115] ? __pfx__printk+0x10/0x10
[ 450.952872][ T9115] ? kernfs_path_from_node+0x250/0x290
[ 450.952892][ T9115] ? kernfs_path_from_node+0x2f/0x290
[ 450.952916][ T9115] sysfs_create_dir_ns+0x259/0x280
[ 450.952939][ T9115] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 450.952961][ T9115] ? do_raw_spin_unlock+0x122/0x240
[ 450.952983][ T9115] kobject_add_internal+0x59f/0xb70
[ 450.953028][ T9115] kobject_init_and_add+0x125/0x190
[ 450.953059][ T9115] ? __pfx_kobject_init_and_add+0x10/0x10
[ 450.953085][ T9115] ? __raw_spin_lock_init+0x45/0x100
[ 450.953105][ T9115] ? __init_swait_queue_head+0xa9/0x150
[ 450.953135][ T9115] gfs2_sys_fs_add+0x234/0x450
[ 450.953157][ T9115] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 450.953187][ T9115] ? is_dynamic_key+0xd6/0x1c0
[ 450.953207][ T9115] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 450.953238][ T9115] gfs2_fill_super+0x13d1/0x2270
[ 450.953277][ T9115] ? __pfx_gfs2_fill_super+0x10/0x10
[ 450.953305][ T9115] ? sb_set_blocksize+0x104/0x180
[ 450.953334][ T9115] ? setup_bdev_super+0x4c1/0x5b0
[ 450.953360][ T9115] get_tree_bdev_flags+0x40e/0x4d0
[ 450.953382][ T9115] ? __pfx_gfs2_fill_super+0x10/0x10
[ 450.953404][ T9115] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 450.953424][ T9115] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 450.953452][ T9115] gfs2_get_tree+0x51/0x1e0
[ 450.953478][ T9115] vfs_get_tree+0x92/0x2b0
[ 450.953502][ T9115] do_new_mount+0x302/0xa10
[ 450.953523][ T9115] ? apparmor_capable+0x137/0x1b0
[ 450.953548][ T9115] ? __pfx_do_new_mount+0x10/0x10
[ 450.953570][ T9115] ? ns_capable+0x8a/0xf0
[ 450.953601][ T9115] ? kmem_cache_free+0x19b/0x690
[ 450.953629][ T9115] __se_sys_mount+0x313/0x410
[ 450.953659][ T9115] ? __pfx___se_sys_mount+0x10/0x10
[ 450.953686][ T9115] ? do_syscall_64+0xbe/0xfa0
[ 450.953715][ T9115] ? __x64_sys_mount+0x20/0xc0
[ 450.953740][ T9115] do_syscall_64+0xfa/0xfa0
[ 450.953763][ T9115] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 450.953781][ T9115] ? clear_bhb_loop+0x60/0xb0
[ 450.953802][ T9115] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 450.953819][ T9115] RIP: 0033:0x7fc3ca99038a
[ 450.953835][ T9115] 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
[ 450.953849][ T9115] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 450.953868][ T9115] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 450.953881][ T9115] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 450.953894][ T9115] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 450.953906][ T9115] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 450.953918][ T9115] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 450.953955][ T9115]
[ 451.011780][ T9115] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 451.293926][ T9119] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 451.314765][ T9117] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 451.322275][ T9117] CPU: 0 UID: 0 PID: 9117 Comm: syz.0.529 Not tainted syzkaller #0 PREEMPT(full)
[ 451.322300][ T9117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 451.322311][ T9117] Call Trace:
[ 451.322319][ T9117]
[ 451.322327][ T9117] dump_stack_lvl+0x189/0x250
[ 451.322361][ T9117] ? __pfx_dump_stack_lvl+0x10/0x10
[ 451.322386][ T9117] ? __pfx__printk+0x10/0x10
[ 451.322412][ T9117] ? kernfs_path_from_node+0x250/0x290
[ 451.322433][ T9117] ? kernfs_path_from_node+0x2f/0x290
[ 451.322457][ T9117] sysfs_create_dir_ns+0x259/0x280
[ 451.322481][ T9117] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 451.322503][ T9117] ? do_raw_spin_unlock+0x122/0x240
[ 451.322527][ T9117] kobject_add_internal+0x59f/0xb70
[ 451.322561][ T9117] kobject_init_and_add+0x125/0x190
[ 451.322593][ T9117] ? __pfx_kobject_init_and_add+0x10/0x10
[ 451.322624][ T9117] ? __raw_spin_lock_init+0x45/0x100
[ 451.322644][ T9117] ? __init_swait_queue_head+0xa9/0x150
[ 451.322675][ T9117] gfs2_sys_fs_add+0x234/0x450
[ 451.322697][ T9117] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 451.322722][ T9117] ? is_dynamic_key+0xd6/0x1c0
[ 451.322743][ T9117] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 451.322776][ T9117] gfs2_fill_super+0x13d1/0x2270
[ 451.322824][ T9117] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.322853][ T9117] ? sb_set_blocksize+0x104/0x180
[ 451.322886][ T9117] ? setup_bdev_super+0x4c1/0x5b0
[ 451.322913][ T9117] get_tree_bdev_flags+0x40e/0x4d0
[ 451.322935][ T9117] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.322959][ T9117] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 451.322979][ T9117] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 451.323008][ T9117] gfs2_get_tree+0x51/0x1e0
[ 451.323035][ T9117] vfs_get_tree+0x92/0x2b0
[ 451.323060][ T9117] do_new_mount+0x302/0xa10
[ 451.323083][ T9117] ? apparmor_capable+0x137/0x1b0
[ 451.323108][ T9117] ? __pfx_do_new_mount+0x10/0x10
[ 451.323132][ T9117] ? ns_capable+0x8a/0xf0
[ 451.323157][ T9117] ? kmem_cache_free+0x19b/0x690
[ 451.323188][ T9117] __se_sys_mount+0x313/0x410
[ 451.323214][ T9117] ? __pfx___se_sys_mount+0x10/0x10
[ 451.323240][ T9117] ? do_syscall_64+0xbe/0xfa0
[ 451.323259][ T9117] ? __x64_sys_mount+0x20/0xc0
[ 451.323281][ T9117] do_syscall_64+0xfa/0xfa0
[ 451.323302][ T9117] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.323317][ T9117] ? clear_bhb_loop+0x60/0xb0
[ 451.323339][ T9117] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.323356][ T9117] RIP: 0033:0x7f089859038a
[ 451.323373][ T9117] 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
[ 451.323389][ T9117] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 451.323406][ T9117] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 451.323417][ T9117] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 451.323427][ T9117] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 451.323436][ T9117] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 451.323445][ T9117] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 451.323469][ T9117]
[ 451.663256][ T9115] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 451.749685][ T9123] loop1: detected capacity change from 0 to 32768
[ 451.841973][ T9117] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 451.852088][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 451.872954][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 451.884828][ T9123] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 451.925829][ T9123] CPU: 1 UID: 0 PID: 9123 Comm: syz.1.530 Not tainted syzkaller #0 PREEMPT(full)
[ 451.925856][ T9123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 451.925867][ T9123] Call Trace:
[ 451.925876][ T9123]
[ 451.925884][ T9123] dump_stack_lvl+0x189/0x250
[ 451.925917][ T9123] ? __pfx_dump_stack_lvl+0x10/0x10
[ 451.925942][ T9123] ? __pfx__printk+0x10/0x10
[ 451.925969][ T9123] ? kernfs_path_from_node+0x250/0x290
[ 451.925993][ T9123] ? kernfs_path_from_node+0x2f/0x290
[ 451.926018][ T9123] sysfs_create_dir_ns+0x259/0x280
[ 451.926042][ T9123] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 451.926065][ T9123] ? do_raw_spin_unlock+0x122/0x240
[ 451.926087][ T9123] kobject_add_internal+0x59f/0xb70
[ 451.926122][ T9123] kobject_init_and_add+0x125/0x190
[ 451.926153][ T9123] ? __pfx_kobject_init_and_add+0x10/0x10
[ 451.926180][ T9123] ? __raw_spin_lock_init+0x45/0x100
[ 451.926200][ T9123] ? __init_swait_queue_head+0xa9/0x150
[ 451.926230][ T9123] gfs2_sys_fs_add+0x234/0x450
[ 451.926253][ T9123] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 451.926288][ T9123] ? is_dynamic_key+0xd6/0x1c0
[ 451.926308][ T9123] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 451.926342][ T9123] gfs2_fill_super+0x13d1/0x2270
[ 451.926383][ T9123] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.926411][ T9123] ? sb_set_blocksize+0x104/0x180
[ 451.926440][ T9123] ? setup_bdev_super+0x4c1/0x5b0
[ 451.926473][ T9123] get_tree_bdev_flags+0x40e/0x4d0
[ 451.926494][ T9123] ? __pfx_gfs2_fill_super+0x10/0x10
[ 451.926516][ T9123] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 451.926535][ T9123] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 451.926568][ T9123] gfs2_get_tree+0x51/0x1e0
[ 451.926600][ T9123] vfs_get_tree+0x92/0x2b0
[ 451.926625][ T9123] do_new_mount+0x302/0xa10
[ 451.926647][ T9123] ? apparmor_capable+0x137/0x1b0
[ 451.926672][ T9123] ? __pfx_do_new_mount+0x10/0x10
[ 451.926696][ T9123] ? ns_capable+0x8a/0xf0
[ 451.926722][ T9123] ? kmem_cache_free+0x19b/0x690
[ 451.926752][ T9123] __se_sys_mount+0x313/0x410
[ 451.926782][ T9123] ? __pfx___se_sys_mount+0x10/0x10
[ 451.926810][ T9123] ? do_syscall_64+0xbe/0xfa0
[ 451.926831][ T9123] ? __x64_sys_mount+0x20/0xc0
[ 451.926857][ T9123] do_syscall_64+0xfa/0xfa0
[ 451.926881][ T9123] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.926899][ T9123] ? clear_bhb_loop+0x60/0xb0
[ 451.926922][ T9123] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 451.926939][ T9123] RIP: 0033:0x7f88f099038a
[ 451.926956][ T9123] 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
[ 451.926971][ T9123] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 451.926991][ T9123] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 451.927005][ T9123] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 451.927018][ T9123] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 451.927036][ T9123] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 451.927049][ T9123] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 451.927081][ T9123]
[ 451.927108][ T9123] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 451.942814][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 69ms
[ 452.008590][ T9117] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 452.021602][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 452.121563][ T9125] loop4: detected capacity change from 0 to 32768
[ 452.124264][ T9123] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 452.303615][ T9125] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 452.311115][ T9125] CPU: 1 UID: 0 PID: 9125 Comm: syz.4.531 Not tainted syzkaller #0 PREEMPT(full)
[ 452.311138][ T9125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 452.311149][ T9125] Call Trace:
[ 452.311157][ T9125]
[ 452.311166][ T9125] dump_stack_lvl+0x189/0x250
[ 452.311197][ T9125] ? __pfx_dump_stack_lvl+0x10/0x10
[ 452.311222][ T9125] ? __pfx__printk+0x10/0x10
[ 452.311249][ T9125] ? kernfs_path_from_node+0x250/0x290
[ 452.311269][ T9125] ? kernfs_path_from_node+0x2f/0x290
[ 452.311293][ T9125] sysfs_create_dir_ns+0x259/0x280
[ 452.311316][ T9125] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 452.311337][ T9125] ? do_raw_spin_unlock+0x122/0x240
[ 452.311361][ T9125] kobject_add_internal+0x59f/0xb70
[ 452.311395][ T9125] kobject_init_and_add+0x125/0x190
[ 452.311433][ T9125] ? __pfx_kobject_init_and_add+0x10/0x10
[ 452.311460][ T9125] ? __raw_spin_lock_init+0x45/0x100
[ 452.311480][ T9125] ? __init_swait_queue_head+0xa9/0x150
[ 452.311541][ T9125] gfs2_sys_fs_add+0x234/0x450
[ 452.311564][ T9125] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 452.311591][ T9125] ? is_dynamic_key+0xd6/0x1c0
[ 452.311609][ T9125] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 452.311638][ T9125] gfs2_fill_super+0x13d1/0x2270
[ 452.311677][ T9125] ? __pfx_gfs2_fill_super+0x10/0x10
[ 452.311705][ T9125] ? sb_set_blocksize+0x104/0x180
[ 452.311734][ T9125] ? setup_bdev_super+0x4c1/0x5b0
[ 452.311760][ T9125] get_tree_bdev_flags+0x40e/0x4d0
[ 452.311782][ T9125] ? __pfx_gfs2_fill_super+0x10/0x10
[ 452.311806][ T9125] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 452.311825][ T9125] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 452.311854][ T9125] gfs2_get_tree+0x51/0x1e0
[ 452.311880][ T9125] vfs_get_tree+0x92/0x2b0
[ 452.311905][ T9125] do_new_mount+0x302/0xa10
[ 452.311927][ T9125] ? apparmor_capable+0x137/0x1b0
[ 452.311953][ T9125] ? __pfx_do_new_mount+0x10/0x10
[ 452.311976][ T9125] ? ns_capable+0x8a/0xf0
[ 452.312001][ T9125] ? kmem_cache_free+0x19b/0x690
[ 452.312031][ T9125] __se_sys_mount+0x313/0x410
[ 452.312060][ T9125] ? __pfx___se_sys_mount+0x10/0x10
[ 452.312088][ T9125] ? do_syscall_64+0xbe/0xfa0
[ 452.312109][ T9125] ? __x64_sys_mount+0x20/0xc0
[ 452.312146][ T9125] do_syscall_64+0xfa/0xfa0
[ 452.312169][ T9125] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.312187][ T9125] ? clear_bhb_loop+0x60/0xb0
[ 452.312207][ T9125] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 452.312223][ T9125] RIP: 0033:0x7f1692b9038a
[ 452.312245][ T9125] 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
[ 452.312261][ T9125] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 452.312280][ T9125] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 452.312294][ T9125] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 452.312306][ T9125] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 452.312319][ T9125] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 452.312331][ T9125] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 452.312363][ T9125]
[ 452.312387][ T9125] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 452.315610][ T9119] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 452.454270][ T9125] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 454.018534][ T9139] loop1: detected capacity change from 0 to 32768
[ 454.074416][ T9139] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 454.100303][ T9144] loop4: detected capacity change from 0 to 32768
[ 454.153344][ T9139] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 454.182881][ T9144] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 454.200932][ T9144] CPU: 1 UID: 0 PID: 9144 Comm: syz.4.534 Not tainted syzkaller #0 PREEMPT(full)
[ 454.200959][ T9144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 454.200971][ T9144] Call Trace:
[ 454.200979][ T9144]
[ 454.200988][ T9144] dump_stack_lvl+0x189/0x250
[ 454.201023][ T9144] ? __pfx_dump_stack_lvl+0x10/0x10
[ 454.201048][ T9144] ? __pfx__printk+0x10/0x10
[ 454.201075][ T9144] ? kernfs_path_from_node+0x250/0x290
[ 454.201094][ T9144] ? kernfs_path_from_node+0x2f/0x290
[ 454.201116][ T9144] sysfs_create_dir_ns+0x259/0x280
[ 454.201137][ T9144] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 454.201158][ T9144] ? do_raw_spin_unlock+0x122/0x240
[ 454.201181][ T9144] kobject_add_internal+0x59f/0xb70
[ 454.201212][ T9144] kobject_init_and_add+0x125/0x190
[ 454.201240][ T9144] ? __pfx_kobject_init_and_add+0x10/0x10
[ 454.201264][ T9144] ? __raw_spin_lock_init+0x45/0x100
[ 454.201281][ T9144] ? __init_swait_queue_head+0xa9/0x150
[ 454.201309][ T9144] gfs2_sys_fs_add+0x234/0x450
[ 454.201331][ T9144] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 454.201355][ T9144] ? is_dynamic_key+0xd6/0x1c0
[ 454.201374][ T9144] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 454.201401][ T9144] gfs2_fill_super+0x13d1/0x2270
[ 454.201439][ T9144] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.201466][ T9144] ? sb_set_blocksize+0x104/0x180
[ 454.201495][ T9144] ? setup_bdev_super+0x4c1/0x5b0
[ 454.201527][ T9144] get_tree_bdev_flags+0x40e/0x4d0
[ 454.201547][ T9144] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.201569][ T9144] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 454.201589][ T9144] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 454.201614][ T9144] gfs2_get_tree+0x51/0x1e0
[ 454.201638][ T9144] vfs_get_tree+0x92/0x2b0
[ 454.201663][ T9144] do_new_mount+0x302/0xa10
[ 454.201684][ T9144] ? apparmor_capable+0x137/0x1b0
[ 454.201709][ T9144] ? __pfx_do_new_mount+0x10/0x10
[ 454.201729][ T9144] ? ns_capable+0x8a/0xf0
[ 454.201753][ T9144] ? kmem_cache_free+0x19b/0x690
[ 454.201778][ T9144] __se_sys_mount+0x313/0x410
[ 454.201807][ T9144] ? __pfx___se_sys_mount+0x10/0x10
[ 454.201835][ T9144] ? do_syscall_64+0xbe/0xfa0
[ 454.201856][ T9144] ? __x64_sys_mount+0x20/0xc0
[ 454.201881][ T9144] do_syscall_64+0xfa/0xfa0
[ 454.201902][ T9144] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.201920][ T9144] ? clear_bhb_loop+0x60/0xb0
[ 454.201942][ T9144] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.201957][ T9144] RIP: 0033:0x7f1692b9038a
[ 454.201972][ T9144] 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
[ 454.201986][ T9144] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 454.202005][ T9144] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 454.202017][ T9144] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 454.202028][ T9144] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 454.202039][ T9144] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 454.202051][ T9144] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 454.202080][ T9144]
[ 454.202105][ T9144] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 454.240784][ T9141] loop3: detected capacity change from 0 to 32768
[ 454.306316][ T9139] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 454.310742][ T9144] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 454.374647][ T9146] loop0: detected capacity change from 0 to 32768
[ 454.473946][ T5935] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 454.569877][ T9146] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 454.571403][ T5935] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 454.618951][ T9141] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 454.636139][ T9146] CPU: 1 UID: 0 PID: 9146 Comm: syz.0.535 Not tainted syzkaller #0 PREEMPT(full)
[ 454.636167][ T9146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 454.636178][ T9146] Call Trace:
[ 454.636186][ T9146]
[ 454.636195][ T9146] dump_stack_lvl+0x189/0x250
[ 454.636228][ T9146] ? __pfx_dump_stack_lvl+0x10/0x10
[ 454.636253][ T9146] ? __pfx__printk+0x10/0x10
[ 454.636279][ T9146] ? kernfs_path_from_node+0x250/0x290
[ 454.636299][ T9146] ? kernfs_path_from_node+0x2f/0x290
[ 454.636333][ T9146] sysfs_create_dir_ns+0x259/0x280
[ 454.636357][ T9146] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 454.636380][ T9146] ? do_raw_spin_unlock+0x122/0x240
[ 454.636404][ T9146] kobject_add_internal+0x59f/0xb70
[ 454.636437][ T9146] kobject_init_and_add+0x125/0x190
[ 454.636469][ T9146] ? __pfx_kobject_init_and_add+0x10/0x10
[ 454.636496][ T9146] ? __raw_spin_lock_init+0x45/0x100
[ 454.636516][ T9146] ? __init_swait_queue_head+0xa9/0x150
[ 454.636547][ T9146] gfs2_sys_fs_add+0x234/0x450
[ 454.636569][ T9146] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 454.636595][ T9146] ? is_dynamic_key+0xd6/0x1c0
[ 454.636615][ T9146] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 454.636647][ T9146] gfs2_fill_super+0x13d1/0x2270
[ 454.636686][ T9146] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.636714][ T9146] ? sb_set_blocksize+0x104/0x180
[ 454.636742][ T9146] ? setup_bdev_super+0x4c1/0x5b0
[ 454.636767][ T9146] get_tree_bdev_flags+0x40e/0x4d0
[ 454.636789][ T9146] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.636812][ T9146] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 454.636831][ T9146] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 454.636859][ T9146] gfs2_get_tree+0x51/0x1e0
[ 454.636886][ T9146] vfs_get_tree+0x92/0x2b0
[ 454.636910][ T9146] do_new_mount+0x302/0xa10
[ 454.636932][ T9146] ? apparmor_capable+0x137/0x1b0
[ 454.636956][ T9146] ? __pfx_do_new_mount+0x10/0x10
[ 454.636978][ T9146] ? ns_capable+0x8a/0xf0
[ 454.637003][ T9146] ? kmem_cache_free+0x19b/0x690
[ 454.637034][ T9146] __se_sys_mount+0x313/0x410
[ 454.637065][ T9146] ? __pfx___se_sys_mount+0x10/0x10
[ 454.637093][ T9146] ? do_syscall_64+0xbe/0xfa0
[ 454.637113][ T9146] ? __x64_sys_mount+0x20/0xc0
[ 454.637138][ T9146] do_syscall_64+0xfa/0xfa0
[ 454.637161][ T9146] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.637179][ T9146] ? clear_bhb_loop+0x60/0xb0
[ 454.637200][ T9146] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.637217][ T9146] RIP: 0033:0x7f089859038a
[ 454.637233][ T9146] 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
[ 454.637248][ T9146] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 454.637268][ T9146] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 454.637281][ T9146] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 454.637294][ T9146] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 454.637306][ T9146] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 454.637326][ T9146] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 454.637358][ T9146]
[ 454.637385][ T9146] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 454.713364][ T9141] CPU: 0 UID: 0 PID: 9141 Comm: syz.3.533 Not tainted syzkaller #0 PREEMPT(full)
[ 454.713389][ T9141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 454.713401][ T9141] Call Trace:
[ 454.713409][ T9141]
[ 454.713417][ T9141] dump_stack_lvl+0x189/0x250
[ 454.713451][ T9141] ? __pfx_dump_stack_lvl+0x10/0x10
[ 454.713476][ T9141] ? __pfx__printk+0x10/0x10
[ 454.713501][ T9141] ? kernfs_path_from_node+0x250/0x290
[ 454.713521][ T9141] ? kernfs_path_from_node+0x2f/0x290
[ 454.713545][ T9141] sysfs_create_dir_ns+0x259/0x280
[ 454.713566][ T9141] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 454.713588][ T9141] ? do_raw_spin_unlock+0x122/0x240
[ 454.713612][ T9141] kobject_add_internal+0x59f/0xb70
[ 454.713646][ T9141] kobject_init_and_add+0x125/0x190
[ 454.713677][ T9141] ? __pfx_kobject_init_and_add+0x10/0x10
[ 454.713703][ T9141] ? __raw_spin_lock_init+0x45/0x100
[ 454.713723][ T9141] ? __init_swait_queue_head+0xa9/0x150
[ 454.713754][ T9141] gfs2_sys_fs_add+0x234/0x450
[ 454.713776][ T9141] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 454.713802][ T9141] ? is_dynamic_key+0xd6/0x1c0
[ 454.713822][ T9141] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 454.713854][ T9141] gfs2_fill_super+0x13d1/0x2270
[ 454.713894][ T9141] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.713922][ T9141] ? sb_set_blocksize+0x104/0x180
[ 454.713951][ T9141] ? setup_bdev_super+0x4c1/0x5b0
[ 454.713977][ T9141] get_tree_bdev_flags+0x40e/0x4d0
[ 454.713999][ T9141] ? __pfx_gfs2_fill_super+0x10/0x10
[ 454.714022][ T9141] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 454.714041][ T9141] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 454.714069][ T9141] gfs2_get_tree+0x51/0x1e0
[ 454.714097][ T9141] vfs_get_tree+0x92/0x2b0
[ 454.714121][ T9141] do_new_mount+0x302/0xa10
[ 454.714142][ T9141] ? apparmor_capable+0x137/0x1b0
[ 454.714167][ T9141] ? __pfx_do_new_mount+0x10/0x10
[ 454.714190][ T9141] ? ns_capable+0x8a/0xf0
[ 454.714215][ T9141] ? kmem_cache_free+0x19b/0x690
[ 454.714244][ T9141] __se_sys_mount+0x313/0x410
[ 454.714281][ T9141] ? __pfx___se_sys_mount+0x10/0x10
[ 454.714308][ T9141] ? do_syscall_64+0xbe/0xfa0
[ 454.714329][ T9141] ? __x64_sys_mount+0x20/0xc0
[ 454.714354][ T9141] do_syscall_64+0xfa/0xfa0
[ 454.714377][ T9141] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.714394][ T9141] ? clear_bhb_loop+0x60/0xb0
[ 454.714415][ T9141] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 454.714431][ T9141] RIP: 0033:0x7fc3ca99038a
[ 454.714448][ T9141] 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
[ 454.714464][ T9141] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 454.714483][ T9141] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 454.714497][ T9141] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 454.714508][ T9141] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 454.714520][ T9141] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 454.714532][ T9141] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 454.714563][ T9141]
[ 454.714590][ T9141] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 454.718811][ T9146] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 454.809748][ T5935] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 238ms
[ 454.810751][ T9141] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 454.850869][ T5935] gfs2: fsid=syz:syz.0: jid=0: Done
2025/11/08 13:51:53 executed programs: 531
[ 455.496076][ T9139] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 455.833981][ T9148] loop2: detected capacity change from 0 to 32768
[ 455.895324][ T9148] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 455.922546][ T9148] CPU: 0 UID: 0 PID: 9148 Comm: syz.2.536 Not tainted syzkaller #0 PREEMPT(full)
[ 455.922573][ T9148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 455.922607][ T9148] Call Trace:
[ 455.922615][ T9148]
[ 455.922623][ T9148] dump_stack_lvl+0x189/0x250
[ 455.922657][ T9148] ? __pfx_dump_stack_lvl+0x10/0x10
[ 455.922682][ T9148] ? __pfx__printk+0x10/0x10
[ 455.922713][ T9148] ? kernfs_path_from_node+0x250/0x290
[ 455.922733][ T9148] ? kernfs_path_from_node+0x2f/0x290
[ 455.922754][ T9148] sysfs_create_dir_ns+0x259/0x280
[ 455.922772][ T9148] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 455.922789][ T9148] ? do_raw_spin_unlock+0x122/0x240
[ 455.922807][ T9148] kobject_add_internal+0x59f/0xb70
[ 455.922833][ T9148] kobject_init_and_add+0x125/0x190
[ 455.922868][ T9148] ? __pfx_kobject_init_and_add+0x10/0x10
[ 455.922889][ T9148] ? __raw_spin_lock_init+0x45/0x100
[ 455.922904][ T9148] ? __init_swait_queue_head+0xa9/0x150
[ 455.922928][ T9148] gfs2_sys_fs_add+0x234/0x450
[ 455.922949][ T9148] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 455.922969][ T9148] ? is_dynamic_key+0xd6/0x1c0
[ 455.922988][ T9148] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 455.923013][ T9148] gfs2_fill_super+0x13d1/0x2270
[ 455.923046][ T9148] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.923070][ T9148] ? sb_set_blocksize+0x104/0x180
[ 455.923095][ T9148] ? setup_bdev_super+0x4c1/0x5b0
[ 455.923116][ T9148] get_tree_bdev_flags+0x40e/0x4d0
[ 455.923134][ T9148] ? __pfx_gfs2_fill_super+0x10/0x10
[ 455.923153][ T9148] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 455.923169][ T9148] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 455.923193][ T9148] gfs2_get_tree+0x51/0x1e0
[ 455.923216][ T9148] vfs_get_tree+0x92/0x2b0
[ 455.923236][ T9148] do_new_mount+0x302/0xa10
[ 455.923255][ T9148] ? apparmor_capable+0x137/0x1b0
[ 455.923278][ T9148] ? __pfx_do_new_mount+0x10/0x10
[ 455.923300][ T9148] ? ns_capable+0x8a/0xf0
[ 455.923326][ T9148] ? kmem_cache_free+0x19b/0x690
[ 455.923354][ T9148] __se_sys_mount+0x313/0x410
[ 455.923383][ T9148] ? __pfx___se_sys_mount+0x10/0x10
[ 455.923419][ T9148] ? do_syscall_64+0xbe/0xfa0
[ 455.923439][ T9148] ? __x64_sys_mount+0x20/0xc0
[ 455.923463][ T9148] do_syscall_64+0xfa/0xfa0
[ 455.923486][ T9148] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.923502][ T9148] ? clear_bhb_loop+0x60/0xb0
[ 455.923523][ T9148] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 455.923539][ T9148] RIP: 0033:0x7fc26d19038a
[ 455.923555][ T9148] 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
[ 455.923570][ T9148] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 455.923590][ T9148] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 455.923601][ T9148] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 455.923612][ T9148] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 455.923624][ T9148] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 455.923635][ T9148] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 455.923666][ T9148]
[ 456.323291][ T9148] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 456.385281][ T9162] loop3: detected capacity change from 0 to 32768
[ 456.400342][ T9148] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 456.553530][ T9162] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 456.560961][ T9162] CPU: 0 UID: 0 PID: 9162 Comm: syz.3.538 Not tainted syzkaller #0 PREEMPT(full)
[ 456.560985][ T9162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 456.560996][ T9162] Call Trace:
[ 456.561005][ T9162]
[ 456.561013][ T9162] dump_stack_lvl+0x189/0x250
[ 456.561045][ T9162] ? __pfx_dump_stack_lvl+0x10/0x10
[ 456.561070][ T9162] ? __pfx__printk+0x10/0x10
[ 456.561098][ T9162] ? kernfs_path_from_node+0x250/0x290
[ 456.561119][ T9162] ? kernfs_path_from_node+0x2f/0x290
[ 456.561143][ T9162] sysfs_create_dir_ns+0x259/0x280
[ 456.561167][ T9162] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 456.561190][ T9162] ? do_raw_spin_unlock+0x122/0x240
[ 456.561214][ T9162] kobject_add_internal+0x59f/0xb70
[ 456.561250][ T9162] kobject_init_and_add+0x125/0x190
[ 456.561281][ T9162] ? __pfx_kobject_init_and_add+0x10/0x10
[ 456.561308][ T9162] ? __raw_spin_lock_init+0x45/0x100
[ 456.561334][ T9162] ? __init_swait_queue_head+0xa9/0x150
[ 456.561365][ T9162] gfs2_sys_fs_add+0x234/0x450
[ 456.561388][ T9162] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 456.561415][ T9162] ? is_dynamic_key+0xd6/0x1c0
[ 456.561436][ T9162] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 456.561469][ T9162] gfs2_fill_super+0x13d1/0x2270
[ 456.561509][ T9162] ? __pfx_gfs2_fill_super+0x10/0x10
[ 456.561538][ T9162] ? sb_set_blocksize+0x104/0x180
[ 456.561568][ T9162] ? setup_bdev_super+0x4c1/0x5b0
[ 456.561594][ T9162] get_tree_bdev_flags+0x40e/0x4d0
[ 456.561616][ T9162] ? __pfx_gfs2_fill_super+0x10/0x10
[ 456.561641][ T9162] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 456.561661][ T9162] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 456.561690][ T9162] gfs2_get_tree+0x51/0x1e0
[ 456.561717][ T9162] vfs_get_tree+0x92/0x2b0
[ 456.561741][ T9162] do_new_mount+0x302/0xa10
[ 456.561764][ T9162] ? apparmor_capable+0x137/0x1b0
[ 456.561790][ T9162] ? __pfx_do_new_mount+0x10/0x10
[ 456.561812][ T9162] ? ns_capable+0x8a/0xf0
[ 456.561837][ T9162] ? kmem_cache_free+0x19b/0x690
[ 456.561867][ T9162] __se_sys_mount+0x313/0x410
[ 456.561896][ T9162] ? __pfx___se_sys_mount+0x10/0x10
[ 456.561924][ T9162] ? do_syscall_64+0xbe/0xfa0
[ 456.561945][ T9162] ? __x64_sys_mount+0x20/0xc0
[ 456.561971][ T9162] do_syscall_64+0xfa/0xfa0
[ 456.561995][ T9162] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 456.562013][ T9162] ? clear_bhb_loop+0x60/0xb0
[ 456.562036][ T9162] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 456.562053][ T9162] RIP: 0033:0x7fc3ca99038a
[ 456.562071][ T9162] 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
[ 456.562087][ T9162] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 456.562107][ T9162] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 456.562121][ T9162] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 456.562134][ T9162] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 456.562146][ T9162] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 456.562159][ T9162] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 456.562191][ T9162]
[ 456.562218][ T9162] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 456.963257][ T9162] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 457.256198][ T9158] loop4: detected capacity change from 0 to 32768
[ 457.310834][ T9158] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 457.369350][ T9158] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 457.446994][ T9158] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 457.475929][ T5935] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 457.486695][ T5935] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 457.586723][ T9164] loop0: detected capacity change from 0 to 32768
[ 457.643399][ T9164] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 457.655131][ T5935] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 168ms
[ 457.659931][ T9164] CPU: 1 UID: 0 PID: 9164 Comm: syz.0.539 Not tainted syzkaller #0 PREEMPT(full)
[ 457.659956][ T9164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 457.659968][ T9164] Call Trace:
[ 457.659976][ T9164]
[ 457.659983][ T9164] dump_stack_lvl+0x189/0x250
[ 457.660023][ T9164] ? __pfx_dump_stack_lvl+0x10/0x10
[ 457.660049][ T9164] ? __pfx__printk+0x10/0x10
[ 457.660075][ T9164] ? kernfs_path_from_node+0x250/0x290
[ 457.660094][ T9164] ? kernfs_path_from_node+0x2f/0x290
[ 457.660117][ T9164] sysfs_create_dir_ns+0x259/0x280
[ 457.660141][ T9164] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 457.660164][ T9164] ? do_raw_spin_unlock+0x122/0x240
[ 457.660186][ T9164] kobject_add_internal+0x59f/0xb70
[ 457.660220][ T9164] kobject_init_and_add+0x125/0x190
[ 457.660250][ T9164] ? __pfx_kobject_init_and_add+0x10/0x10
[ 457.660277][ T9164] ? __raw_spin_lock_init+0x45/0x100
[ 457.660296][ T9164] ? __init_swait_queue_head+0xa9/0x150
[ 457.660326][ T9164] gfs2_sys_fs_add+0x234/0x450
[ 457.660348][ T9164] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 457.660374][ T9164] ? is_dynamic_key+0xd6/0x1c0
[ 457.660394][ T9164] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 457.660425][ T9164] gfs2_fill_super+0x13d1/0x2270
[ 457.660465][ T9164] ? __pfx_gfs2_fill_super+0x10/0x10
[ 457.660493][ T9164] ? sb_set_blocksize+0x104/0x180
[ 457.660523][ T9164] ? setup_bdev_super+0x4c1/0x5b0
[ 457.660549][ T9164] get_tree_bdev_flags+0x40e/0x4d0
[ 457.660571][ T9164] ? __pfx_gfs2_fill_super+0x10/0x10
[ 457.660593][ T9164] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 457.660613][ T9164] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 457.660642][ T9164] gfs2_get_tree+0x51/0x1e0
[ 457.660668][ T9164] vfs_get_tree+0x92/0x2b0
[ 457.660692][ T9164] do_new_mount+0x302/0xa10
[ 457.660713][ T9164] ? apparmor_capable+0x137/0x1b0
[ 457.660744][ T9164] ? __pfx_do_new_mount+0x10/0x10
[ 457.660767][ T9164] ? ns_capable+0x8a/0xf0
[ 457.660790][ T9164] ? kmem_cache_free+0x19b/0x690
[ 457.660819][ T9164] __se_sys_mount+0x313/0x410
[ 457.660849][ T9164] ? __pfx___se_sys_mount+0x10/0x10
[ 457.660875][ T9164] ? do_syscall_64+0xbe/0xfa0
[ 457.660896][ T9164] ? __x64_sys_mount+0x20/0xc0
[ 457.660922][ T9164] do_syscall_64+0xfa/0xfa0
[ 457.660946][ T9164] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.660962][ T9164] ? clear_bhb_loop+0x60/0xb0
[ 457.660984][ T9164] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 457.661007][ T9164] RIP: 0033:0x7f089859038a
[ 457.661023][ T9164] 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
[ 457.661038][ T9164] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 457.661057][ T9164] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 457.661071][ T9164] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 457.661083][ T9164] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 457.661095][ T9164] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 457.661107][ T9164] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 457.661138][ T9164]
[ 457.661163][ T9164] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 457.664882][ T5935] gfs2: fsid=syz:syz.0: jid=0: Done
[ 457.883473][ T9164] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 458.070287][ T9158] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 458.081348][ T9158] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[ 458.690384][ T9174] loop1: detected capacity change from 0 to 32768
[ 458.762439][ T9174] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 458.812065][ T9174] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 458.882706][ T9174] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 458.900864][ T6084] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 458.907801][ T6084] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 458.920594][ T9172] loop2: detected capacity change from 0 to 32768
[ 458.967065][ T9172] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 458.983251][ T9172] CPU: 1 UID: 0 PID: 9172 Comm: syz.2.541 Not tainted syzkaller #0 PREEMPT(full)
[ 458.983277][ T9172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 458.983289][ T9172] Call Trace:
[ 458.983297][ T9172]
[ 458.983305][ T9172] dump_stack_lvl+0x189/0x250
[ 458.983337][ T9172] ? __pfx_dump_stack_lvl+0x10/0x10
[ 458.983361][ T9172] ? __pfx__printk+0x10/0x10
[ 458.983388][ T9172] ? kernfs_path_from_node+0x250/0x290
[ 458.983407][ T9172] ? kernfs_path_from_node+0x2f/0x290
[ 458.983431][ T9172] sysfs_create_dir_ns+0x259/0x280
[ 458.983454][ T9172] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 458.983476][ T9172] ? do_raw_spin_unlock+0x122/0x240
[ 458.983499][ T9172] kobject_add_internal+0x59f/0xb70
[ 458.983533][ T9172] kobject_init_and_add+0x125/0x190
[ 458.983563][ T9172] ? __pfx_kobject_init_and_add+0x10/0x10
[ 458.983590][ T9172] ? __raw_spin_lock_init+0x45/0x100
[ 458.983610][ T9172] ? __init_swait_queue_head+0xa9/0x150
[ 458.983640][ T9172] gfs2_sys_fs_add+0x234/0x450
[ 458.983662][ T9172] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 458.983688][ T9172] ? is_dynamic_key+0xd6/0x1c0
[ 458.983708][ T9172] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 458.983740][ T9172] gfs2_fill_super+0x13d1/0x2270
[ 458.983779][ T9172] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.983807][ T9172] ? sb_set_blocksize+0x104/0x180
[ 458.983835][ T9172] ? setup_bdev_super+0x4c1/0x5b0
[ 458.983860][ T9172] get_tree_bdev_flags+0x40e/0x4d0
[ 458.983892][ T9172] ? __pfx_gfs2_fill_super+0x10/0x10
[ 458.983913][ T9172] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 458.983932][ T9172] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 458.983959][ T9172] gfs2_get_tree+0x51/0x1e0
[ 458.983985][ T9172] vfs_get_tree+0x92/0x2b0
[ 458.984008][ T9172] do_new_mount+0x302/0xa10
[ 458.984029][ T9172] ? apparmor_capable+0x137/0x1b0
[ 458.984053][ T9172] ? __pfx_do_new_mount+0x10/0x10
[ 458.984075][ T9172] ? ns_capable+0x8a/0xf0
[ 458.984101][ T9172] ? kmem_cache_free+0x19b/0x690
[ 458.984128][ T9172] __se_sys_mount+0x313/0x410
[ 458.984158][ T9172] ? __pfx___se_sys_mount+0x10/0x10
[ 458.984185][ T9172] ? do_syscall_64+0xbe/0xfa0
[ 458.984206][ T9172] ? __x64_sys_mount+0x20/0xc0
[ 458.984231][ T9172] do_syscall_64+0xfa/0xfa0
[ 458.984254][ T9172] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.984272][ T9172] ? clear_bhb_loop+0x60/0xb0
[ 458.984294][ T9172] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 458.984311][ T9172] RIP: 0033:0x7fc26d19038a
[ 458.984327][ T9172] 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
[ 458.984343][ T9172] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 458.984363][ T9172] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 458.984376][ T9172] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 458.984390][ T9172] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 458.984402][ T9172] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 458.984414][ T9172] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 458.984445][ T9172]
[ 458.984474][ T9172] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 459.165360][ T9178] loop3: detected capacity change from 0 to 32768
[ 459.172645][ T9172] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 459.334367][ T9178] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 459.341004][ T6084] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 433ms
[ 459.356017][ T6084] gfs2: fsid=syz:syz.0: jid=0: Done
[ 459.376833][ T9178] CPU: 0 UID: 0 PID: 9178 Comm: syz.3.542 Not tainted syzkaller #0 PREEMPT(full)
[ 459.376858][ T9178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 459.376869][ T9178] Call Trace:
[ 459.376877][ T9178]
[ 459.376886][ T9178] dump_stack_lvl+0x189/0x250
[ 459.376919][ T9178] ? __pfx_dump_stack_lvl+0x10/0x10
[ 459.376943][ T9178] ? __pfx__printk+0x10/0x10
[ 459.376969][ T9178] ? kernfs_path_from_node+0x250/0x290
[ 459.376988][ T9178] ? kernfs_path_from_node+0x2f/0x290
[ 459.377013][ T9178] sysfs_create_dir_ns+0x259/0x280
[ 459.377037][ T9178] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 459.377059][ T9178] ? do_raw_spin_unlock+0x122/0x240
[ 459.377082][ T9178] kobject_add_internal+0x59f/0xb70
[ 459.377124][ T9178] kobject_init_and_add+0x125/0x190
[ 459.377157][ T9178] ? __pfx_kobject_init_and_add+0x10/0x10
[ 459.377184][ T9178] ? __raw_spin_lock_init+0x45/0x100
[ 459.377202][ T9178] ? __init_swait_queue_head+0xa9/0x150
[ 459.377232][ T9178] gfs2_sys_fs_add+0x234/0x450
[ 459.377254][ T9178] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 459.377279][ T9178] ? is_dynamic_key+0xd6/0x1c0
[ 459.377298][ T9178] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 459.377330][ T9178] gfs2_fill_super+0x13d1/0x2270
[ 459.377370][ T9178] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.377398][ T9178] ? sb_set_blocksize+0x104/0x180
[ 459.377427][ T9178] ? setup_bdev_super+0x4c1/0x5b0
[ 459.377453][ T9178] get_tree_bdev_flags+0x40e/0x4d0
[ 459.377476][ T9178] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.377499][ T9178] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 459.377518][ T9178] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 459.377545][ T9178] gfs2_get_tree+0x51/0x1e0
[ 459.377573][ T9178] vfs_get_tree+0x92/0x2b0
[ 459.377598][ T9178] do_new_mount+0x302/0xa10
[ 459.377618][ T9178] ? apparmor_capable+0x137/0x1b0
[ 459.377643][ T9178] ? __pfx_do_new_mount+0x10/0x10
[ 459.377665][ T9178] ? ns_capable+0x8a/0xf0
[ 459.377691][ T9178] ? kmem_cache_free+0x19b/0x690
[ 459.377718][ T9178] __se_sys_mount+0x313/0x410
[ 459.377746][ T9178] ? __pfx___se_sys_mount+0x10/0x10
[ 459.377773][ T9178] ? do_syscall_64+0xbe/0xfa0
[ 459.377794][ T9178] ? __x64_sys_mount+0x20/0xc0
[ 459.377820][ T9178] do_syscall_64+0xfa/0xfa0
[ 459.377844][ T9178] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.377859][ T9178] ? clear_bhb_loop+0x60/0xb0
[ 459.377880][ T9178] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.377897][ T9178] RIP: 0033:0x7fc3ca99038a
[ 459.377912][ T9178] 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
[ 459.377927][ T9178] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 459.377946][ T9178] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 459.377960][ T9178] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 459.377973][ T9178] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 459.377985][ T9178] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 459.377998][ T9178] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 459.378028][ T9178]
[ 459.383535][ T9174] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 459.543981][ T9178] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 459.544006][ T9178] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 459.684852][ T9181] loop0: detected capacity change from 0 to 32768
[ 459.867987][ T9181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 459.923439][ T9181] CPU: 1 UID: 0 PID: 9181 Comm: syz.0.544 Not tainted syzkaller #0 PREEMPT(full)
[ 459.923467][ T9181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 459.923479][ T9181] Call Trace:
[ 459.923488][ T9181]
[ 459.923496][ T9181] dump_stack_lvl+0x189/0x250
[ 459.923530][ T9181] ? __pfx_dump_stack_lvl+0x10/0x10
[ 459.923556][ T9181] ? __pfx__printk+0x10/0x10
[ 459.923583][ T9181] ? kernfs_path_from_node+0x250/0x290
[ 459.923604][ T9181] ? kernfs_path_from_node+0x2f/0x290
[ 459.923628][ T9181] sysfs_create_dir_ns+0x259/0x280
[ 459.923649][ T9181] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 459.923673][ T9181] ? do_raw_spin_unlock+0x122/0x240
[ 459.923697][ T9181] kobject_add_internal+0x59f/0xb70
[ 459.923731][ T9181] kobject_init_and_add+0x125/0x190
[ 459.923762][ T9181] ? __pfx_kobject_init_and_add+0x10/0x10
[ 459.923785][ T9181] ? __raw_spin_lock_init+0x45/0x100
[ 459.923803][ T9181] ? __init_swait_queue_head+0xa9/0x150
[ 459.923849][ T9181] gfs2_sys_fs_add+0x234/0x450
[ 459.923873][ T9181] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 459.923899][ T9181] ? is_dynamic_key+0xd6/0x1c0
[ 459.923919][ T9181] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 459.923951][ T9181] gfs2_fill_super+0x13d1/0x2270
[ 459.923991][ T9181] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.924020][ T9181] ? sb_set_blocksize+0x104/0x180
[ 459.924049][ T9181] ? setup_bdev_super+0x4c1/0x5b0
[ 459.924074][ T9181] get_tree_bdev_flags+0x40e/0x4d0
[ 459.924095][ T9181] ? __pfx_gfs2_fill_super+0x10/0x10
[ 459.924119][ T9181] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 459.924139][ T9181] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 459.924168][ T9181] gfs2_get_tree+0x51/0x1e0
[ 459.924195][ T9181] vfs_get_tree+0x92/0x2b0
[ 459.924219][ T9181] do_new_mount+0x302/0xa10
[ 459.924241][ T9181] ? apparmor_capable+0x137/0x1b0
[ 459.924267][ T9181] ? __pfx_do_new_mount+0x10/0x10
[ 459.924290][ T9181] ? ns_capable+0x8a/0xf0
[ 459.924315][ T9181] ? kmem_cache_free+0x19b/0x690
[ 459.924345][ T9181] __se_sys_mount+0x313/0x410
[ 459.924373][ T9181] ? __pfx___se_sys_mount+0x10/0x10
[ 459.924401][ T9181] ? do_syscall_64+0xbe/0xfa0
[ 459.924437][ T9181] ? __x64_sys_mount+0x20/0xc0
[ 459.924463][ T9181] do_syscall_64+0xfa/0xfa0
[ 459.924486][ T9181] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.924504][ T9181] ? clear_bhb_loop+0x60/0xb0
[ 459.924526][ T9181] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 459.924542][ T9181] RIP: 0033:0x7f089859038a
[ 459.924559][ T9181] 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
[ 459.924574][ T9181] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 459.924593][ T9181] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 459.924608][ T9181] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 459.924621][ T9181] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 459.924634][ T9181] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 459.924646][ T9181] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 459.924679][ T9181]
[ 459.924706][ T9181] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 460.132525][ T9183] loop4: detected capacity change from 0 to 32768
[ 460.153266][ T9181] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 460.266604][ T9183] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 460.315774][ T9183] CPU: 1 UID: 0 PID: 9183 Comm: syz.4.543 Not tainted syzkaller #0 PREEMPT(full)
[ 460.315800][ T9183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 460.315818][ T9183] Call Trace:
[ 460.315826][ T9183]
[ 460.315834][ T9183] dump_stack_lvl+0x189/0x250
[ 460.315868][ T9183] ? __pfx_dump_stack_lvl+0x10/0x10
[ 460.315894][ T9183] ? __pfx__printk+0x10/0x10
[ 460.315919][ T9183] ? kernfs_path_from_node+0x250/0x290
[ 460.315939][ T9183] ? kernfs_path_from_node+0x2f/0x290
[ 460.315964][ T9183] sysfs_create_dir_ns+0x259/0x280
[ 460.315988][ T9183] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 460.316010][ T9183] ? do_raw_spin_unlock+0x122/0x240
[ 460.316034][ T9183] kobject_add_internal+0x59f/0xb70
[ 460.316067][ T9183] kobject_init_and_add+0x125/0x190
[ 460.316099][ T9183] ? __pfx_kobject_init_and_add+0x10/0x10
[ 460.316125][ T9183] ? __raw_spin_lock_init+0x45/0x100
[ 460.316146][ T9183] ? __init_swait_queue_head+0xa9/0x150
[ 460.316176][ T9183] gfs2_sys_fs_add+0x234/0x450
[ 460.316199][ T9183] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 460.316226][ T9183] ? is_dynamic_key+0xd6/0x1c0
[ 460.316245][ T9183] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 460.316278][ T9183] gfs2_fill_super+0x13d1/0x2270
[ 460.316318][ T9183] ? __pfx_gfs2_fill_super+0x10/0x10
[ 460.316345][ T9183] ? sb_set_blocksize+0x104/0x180
[ 460.316374][ T9183] ? setup_bdev_super+0x4c1/0x5b0
[ 460.316400][ T9183] get_tree_bdev_flags+0x40e/0x4d0
[ 460.316423][ T9183] ? __pfx_gfs2_fill_super+0x10/0x10
[ 460.316447][ T9183] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 460.316467][ T9183] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 460.316495][ T9183] gfs2_get_tree+0x51/0x1e0
[ 460.316521][ T9183] vfs_get_tree+0x92/0x2b0
[ 460.316545][ T9183] do_new_mount+0x302/0xa10
[ 460.316567][ T9183] ? apparmor_capable+0x137/0x1b0
[ 460.316592][ T9183] ? __pfx_do_new_mount+0x10/0x10
[ 460.316615][ T9183] ? ns_capable+0x8a/0xf0
[ 460.316640][ T9183] ? kmem_cache_free+0x19b/0x690
[ 460.316666][ T9183] __se_sys_mount+0x313/0x410
[ 460.316695][ T9183] ? __pfx___se_sys_mount+0x10/0x10
[ 460.316721][ T9183] ? do_syscall_64+0xbe/0xfa0
[ 460.316741][ T9183] ? __x64_sys_mount+0x20/0xc0
[ 460.316767][ T9183] do_syscall_64+0xfa/0xfa0
[ 460.316790][ T9183] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.316809][ T9183] ? clear_bhb_loop+0x60/0xb0
[ 460.316837][ T9183] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 460.316854][ T9183] RIP: 0033:0x7f1692b9038a
2025/11/08 13:51:58 executed programs: 540
[ 460.316871][ T9183] 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
[ 460.316886][ T9183] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 460.316905][ T9183] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 460.316919][ T9183] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 460.316932][ T9183] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 460.316944][ T9183] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 460.316956][ T9183] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 460.316993][ T9183]
[ 460.317022][ T9183] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 460.653315][ T9183] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 461.582827][ T9200] loop2: detected capacity change from 0 to 32768
[ 461.636492][ T9200] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 461.652757][ T9200] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 461.752378][ T9200] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 461.814243][ T6642] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 461.831268][ T6642] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 461.866635][ T9196] loop3: detected capacity change from 0 to 32768
[ 461.907140][ T9196] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 461.921860][ T9196] CPU: 1 UID: 0 PID: 9196 Comm: syz.3.545 Not tainted syzkaller #0 PREEMPT(full)
[ 461.921887][ T9196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 461.921899][ T9196] Call Trace:
[ 461.921907][ T9196]
[ 461.921915][ T9196] dump_stack_lvl+0x189/0x250
[ 461.921950][ T9196] ? __pfx_dump_stack_lvl+0x10/0x10
[ 461.921976][ T9196] ? __pfx__printk+0x10/0x10
[ 461.922002][ T9196] ? kernfs_path_from_node+0x250/0x290
[ 461.922022][ T9196] ? kernfs_path_from_node+0x2f/0x290
[ 461.922047][ T9196] sysfs_create_dir_ns+0x259/0x280
[ 461.922071][ T9196] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 461.922094][ T9196] ? do_raw_spin_unlock+0x122/0x240
[ 461.922117][ T9196] kobject_add_internal+0x59f/0xb70
[ 461.922153][ T9196] kobject_init_and_add+0x125/0x190
[ 461.922185][ T9196] ? __pfx_kobject_init_and_add+0x10/0x10
[ 461.922211][ T9196] ? __raw_spin_lock_init+0x45/0x100
[ 461.922231][ T9196] ? __init_swait_queue_head+0xa9/0x150
[ 461.922261][ T9196] gfs2_sys_fs_add+0x234/0x450
[ 461.922284][ T9196] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 461.922312][ T9196] ? is_dynamic_key+0xd6/0x1c0
[ 461.922332][ T9196] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 461.922378][ T9196] gfs2_fill_super+0x13d1/0x2270
[ 461.922424][ T9196] ? __pfx_gfs2_fill_super+0x10/0x10
[ 461.922453][ T9196] ? sb_set_blocksize+0x104/0x180
[ 461.922481][ T9196] ? setup_bdev_super+0x4c1/0x5b0
[ 461.922506][ T9196] get_tree_bdev_flags+0x40e/0x4d0
[ 461.922528][ T9196] ? __pfx_gfs2_fill_super+0x10/0x10
[ 461.922552][ T9196] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 461.922572][ T9196] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 461.922601][ T9196] gfs2_get_tree+0x51/0x1e0
[ 461.922629][ T9196] vfs_get_tree+0x92/0x2b0
[ 461.922654][ T9196] do_new_mount+0x302/0xa10
[ 461.922676][ T9196] ? apparmor_capable+0x137/0x1b0
[ 461.922701][ T9196] ? __pfx_do_new_mount+0x10/0x10
[ 461.922724][ T9196] ? ns_capable+0x8a/0xf0
[ 461.922816][ T9196] ? kmem_cache_free+0x19b/0x690
[ 461.922848][ T9196] __se_sys_mount+0x313/0x410
[ 461.922877][ T9196] ? __pfx___se_sys_mount+0x10/0x10
[ 461.922906][ T9196] ? do_syscall_64+0xbe/0xfa0
[ 461.922928][ T9196] ? __x64_sys_mount+0x20/0xc0
[ 461.922955][ T9196] do_syscall_64+0xfa/0xfa0
[ 461.922978][ T9196] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.922996][ T9196] ? clear_bhb_loop+0x60/0xb0
[ 461.923017][ T9196] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 461.923034][ T9196] RIP: 0033:0x7fc3ca99038a
[ 461.923052][ T9196] 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
[ 461.923067][ T9196] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 461.923087][ T9196] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 461.923100][ T9196] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 461.923114][ T9196] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 461.923126][ T9196] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 461.923139][ T9196] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 461.923175][ T9196]
[ 462.293511][ T9196] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 462.329956][ T9196] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 462.332541][ T9205] loop0: detected capacity change from 0 to 32768
[ 462.360684][ T6642] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 529ms
[ 462.368432][ T6642] gfs2: fsid=syz:syz.0: jid=0: Done
[ 462.373985][ T9205] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 462.374339][ T9200] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 462.466811][ T9205] CPU: 0 UID: 0 PID: 9205 Comm: syz.0.549 Not tainted syzkaller #0 PREEMPT(full)
[ 462.466839][ T9205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 462.466851][ T9205] Call Trace:
[ 462.466859][ T9205]
[ 462.466868][ T9205] dump_stack_lvl+0x189/0x250
[ 462.466902][ T9205] ? __pfx_dump_stack_lvl+0x10/0x10
[ 462.466927][ T9205] ? __pfx__printk+0x10/0x10
[ 462.466954][ T9205] ? kernfs_path_from_node+0x250/0x290
[ 462.466974][ T9205] ? kernfs_path_from_node+0x2f/0x290
[ 462.467004][ T9205] sysfs_create_dir_ns+0x259/0x280
[ 462.467027][ T9205] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 462.467049][ T9205] ? do_raw_spin_unlock+0x122/0x240
[ 462.467072][ T9205] kobject_add_internal+0x59f/0xb70
[ 462.467107][ T9205] kobject_init_and_add+0x125/0x190
[ 462.467139][ T9205] ? __pfx_kobject_init_and_add+0x10/0x10
[ 462.467167][ T9205] ? __raw_spin_lock_init+0x45/0x100
[ 462.467187][ T9205] ? __init_swait_queue_head+0xa9/0x150
[ 462.467218][ T9205] gfs2_sys_fs_add+0x234/0x450
[ 462.467239][ T9205] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 462.467264][ T9205] ? is_dynamic_key+0xd6/0x1c0
[ 462.467283][ T9205] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 462.467316][ T9205] gfs2_fill_super+0x13d1/0x2270
[ 462.467356][ T9205] ? __pfx_gfs2_fill_super+0x10/0x10
[ 462.467384][ T9205] ? sb_set_blocksize+0x104/0x180
[ 462.467419][ T9205] ? setup_bdev_super+0x4c1/0x5b0
[ 462.467446][ T9205] get_tree_bdev_flags+0x40e/0x4d0
[ 462.467468][ T9205] ? __pfx_gfs2_fill_super+0x10/0x10
[ 462.467491][ T9205] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 462.467511][ T9205] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 462.467541][ T9205] gfs2_get_tree+0x51/0x1e0
[ 462.467568][ T9205] vfs_get_tree+0x92/0x2b0
[ 462.467592][ T9205] do_new_mount+0x302/0xa10
[ 462.467614][ T9205] ? apparmor_capable+0x137/0x1b0
[ 462.467645][ T9205] ? __pfx_do_new_mount+0x10/0x10
[ 462.467668][ T9205] ? ns_capable+0x8a/0xf0
[ 462.467692][ T9205] ? kmem_cache_free+0x19b/0x690
[ 462.467721][ T9205] __se_sys_mount+0x313/0x410
[ 462.467751][ T9205] ? __pfx___se_sys_mount+0x10/0x10
[ 462.467780][ T9205] ? do_syscall_64+0xbe/0xfa0
[ 462.467801][ T9205] ? __x64_sys_mount+0x20/0xc0
[ 462.467827][ T9205] do_syscall_64+0xfa/0xfa0
[ 462.467850][ T9205] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 462.467869][ T9205] ? clear_bhb_loop+0x60/0xb0
[ 462.467890][ T9205] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 462.467906][ T9205] RIP: 0033:0x7f089859038a
[ 462.467924][ T9205] 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
[ 462.467936][ T9205] RSP: 002b:00007f0897bf5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 462.467956][ T9205] RAX: ffffffffffffffda RBX: 00007f0897bf5ef0 RCX: 00007f089859038a
[ 462.467969][ T9205] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f0897bf5eb0
[ 462.467982][ T9205] RBP: 000020000001f680 R08: 00007f0897bf5ef0 R09: 0000000000000084
[ 462.467995][ T9205] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 462.468007][ T9205] R13: 00007f0897bf5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 462.468039][ T9205]
[ 462.468063][ T9205] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 462.557544][ T9207] loop1: detected capacity change from 0 to 32768
[ 462.593677][ T9205] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 462.884499][ T9204] loop4: detected capacity change from 0 to 32768
[ 462.906286][ T9207] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 462.949355][ T9207] CPU: 0 UID: 0 PID: 9207 Comm: syz.1.547 Not tainted syzkaller #0 PREEMPT(full)
[ 462.949382][ T9207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 462.949395][ T9207] Call Trace:
[ 462.949403][ T9207]
[ 462.949412][ T9207] dump_stack_lvl+0x189/0x250
[ 462.949446][ T9207] ? __pfx_dump_stack_lvl+0x10/0x10
[ 462.949472][ T9207] ? __pfx__printk+0x10/0x10
[ 462.949498][ T9207] ? kernfs_path_from_node+0x250/0x290
[ 462.949519][ T9207] ? kernfs_path_from_node+0x2f/0x290
[ 462.949544][ T9207] sysfs_create_dir_ns+0x259/0x280
[ 462.949663][ T9207] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 462.949687][ T9207] ? do_raw_spin_unlock+0x122/0x240
[ 462.949710][ T9207] kobject_add_internal+0x59f/0xb70
[ 462.949747][ T9207] kobject_init_and_add+0x125/0x190
[ 462.949779][ T9207] ? __pfx_kobject_init_and_add+0x10/0x10
[ 462.949806][ T9207] ? __raw_spin_lock_init+0x45/0x100
[ 462.949825][ T9207] ? __init_swait_queue_head+0xa9/0x150
[ 462.949867][ T9207] gfs2_sys_fs_add+0x234/0x450
[ 462.949890][ T9207] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 462.949917][ T9207] ? is_dynamic_key+0xd6/0x1c0
[ 462.949937][ T9207] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 462.949969][ T9207] gfs2_fill_super+0x13d1/0x2270
[ 462.950011][ T9207] ? __pfx_gfs2_fill_super+0x10/0x10
[ 462.950039][ T9207] ? sb_set_blocksize+0x104/0x180
[ 462.950068][ T9207] ? setup_bdev_super+0x4c1/0x5b0
[ 462.950094][ T9207] get_tree_bdev_flags+0x40e/0x4d0
[ 462.950116][ T9207] ? __pfx_gfs2_fill_super+0x10/0x10
[ 462.950139][ T9207] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 462.950158][ T9207] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 462.950187][ T9207] gfs2_get_tree+0x51/0x1e0
[ 462.950214][ T9207] vfs_get_tree+0x92/0x2b0
[ 462.950238][ T9207] do_new_mount+0x302/0xa10
[ 462.950260][ T9207] ? apparmor_capable+0x137/0x1b0
[ 462.950285][ T9207] ? __pfx_do_new_mount+0x10/0x10
[ 462.950309][ T9207] ? ns_capable+0x8a/0xf0
[ 462.950334][ T9207] ? kmem_cache_free+0x19b/0x690
[ 462.950364][ T9207] __se_sys_mount+0x313/0x410
[ 462.950393][ T9207] ? __pfx___se_sys_mount+0x10/0x10
[ 462.950421][ T9207] ? do_syscall_64+0xbe/0xfa0
[ 462.950440][ T9207] ? __x64_sys_mount+0x20/0xc0
[ 462.950464][ T9207] do_syscall_64+0xfa/0xfa0
[ 462.950487][ T9207] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 462.950506][ T9207] ? clear_bhb_loop+0x60/0xb0
[ 462.950532][ T9207] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 462.950549][ T9207] RIP: 0033:0x7f88f099038a
[ 462.950578][ T9207] 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
[ 462.950594][ T9207] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 462.950614][ T9207] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 462.950628][ T9207] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 462.950641][ T9207] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 462.950651][ T9207] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 462.950662][ T9207] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 462.950690][ T9207]
[ 462.950985][ T9204] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 463.066392][ T9207] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 463.301132][ T9204] CPU: 1 UID: 0 PID: 9204 Comm: syz.4.548 Not tainted syzkaller #0 PREEMPT(full)
[ 463.301159][ T9204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 463.301170][ T9204] Call Trace:
[ 463.301177][ T9204]
[ 463.301185][ T9204] dump_stack_lvl+0x189/0x250
[ 463.301216][ T9204] ? __pfx_dump_stack_lvl+0x10/0x10
[ 463.301238][ T9204] ? __pfx__printk+0x10/0x10
[ 463.301262][ T9204] ? kernfs_path_from_node+0x250/0x290
[ 463.301281][ T9204] ? kernfs_path_from_node+0x2f/0x290
[ 463.301303][ T9204] sysfs_create_dir_ns+0x259/0x280
[ 463.301327][ T9204] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 463.301347][ T9204] ? do_raw_spin_unlock+0x122/0x240
[ 463.301370][ T9204] kobject_add_internal+0x59f/0xb70
[ 463.301403][ T9204] kobject_init_and_add+0x125/0x190
[ 463.301434][ T9204] ? __pfx_kobject_init_and_add+0x10/0x10
[ 463.301462][ T9204] ? __raw_spin_lock_init+0x45/0x100
[ 463.301482][ T9204] ? __init_swait_queue_head+0xa9/0x150
[ 463.301512][ T9204] gfs2_sys_fs_add+0x234/0x450
[ 463.301534][ T9204] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 463.301559][ T9204] ? is_dynamic_key+0xd6/0x1c0
[ 463.301579][ T9204] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 463.301610][ T9204] gfs2_fill_super+0x13d1/0x2270
[ 463.301651][ T9204] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.301681][ T9204] ? sb_set_blocksize+0x104/0x180
[ 463.301711][ T9204] ? setup_bdev_super+0x4c1/0x5b0
[ 463.301738][ T9204] get_tree_bdev_flags+0x40e/0x4d0
[ 463.301760][ T9204] ? __pfx_gfs2_fill_super+0x10/0x10
[ 463.301784][ T9204] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 463.301812][ T9204] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 463.301841][ T9204] gfs2_get_tree+0x51/0x1e0
[ 463.301868][ T9204] vfs_get_tree+0x92/0x2b0
[ 463.301892][ T9204] do_new_mount+0x302/0xa10
[ 463.301913][ T9204] ? apparmor_capable+0x137/0x1b0
[ 463.301943][ T9204] ? __pfx_do_new_mount+0x10/0x10
[ 463.301967][ T9204] ? ns_capable+0x8a/0xf0
[ 463.301992][ T9204] ? kmem_cache_free+0x19b/0x690
[ 463.302022][ T9204] __se_sys_mount+0x313/0x410
[ 463.302052][ T9204] ? __pfx___se_sys_mount+0x10/0x10
[ 463.302081][ T9204] ? do_syscall_64+0xbe/0xfa0
[ 463.302101][ T9204] ? __x64_sys_mount+0x20/0xc0
[ 463.302127][ T9204] do_syscall_64+0xfa/0xfa0
[ 463.302150][ T9204] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.302168][ T9204] ? clear_bhb_loop+0x60/0xb0
[ 463.302190][ T9204] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 463.302207][ T9204] RIP: 0033:0x7f1692b9038a
[ 463.302224][ T9204] 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
[ 463.302239][ T9204] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 463.302259][ T9204] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 463.302273][ T9204] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 463.302286][ T9204] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 463.302306][ T9204] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 463.302318][ T9204] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 463.302350][ T9204]
[ 463.302377][ T9204] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 463.358044][ T9207] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 463.423799][ T9204] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 464.447899][ T9223] loop0: detected capacity change from 0 to 32768
[ 464.457606][ T9219] loop3: detected capacity change from 0 to 32768
[ 464.482812][ T9223] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 464.520217][ T9219] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 464.543713][ T9223] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 464.572718][ T9219] CPU: 0 UID: 0 PID: 9219 Comm: syz.3.550 Not tainted syzkaller #0 PREEMPT(full)
[ 464.572745][ T9219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 464.572756][ T9219] Call Trace:
[ 464.572764][ T9219]
[ 464.572773][ T9219] dump_stack_lvl+0x189/0x250
[ 464.572806][ T9219] ? __pfx_dump_stack_lvl+0x10/0x10
[ 464.572832][ T9219] ? __pfx__printk+0x10/0x10
[ 464.572859][ T9219] ? kernfs_path_from_node+0x250/0x290
[ 464.572879][ T9219] ? kernfs_path_from_node+0x2f/0x290
[ 464.572903][ T9219] sysfs_create_dir_ns+0x259/0x280
[ 464.572928][ T9219] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 464.572950][ T9219] ? do_raw_spin_unlock+0x122/0x240
[ 464.572974][ T9219] kobject_add_internal+0x59f/0xb70
[ 464.573010][ T9219] kobject_init_and_add+0x125/0x190
[ 464.573041][ T9219] ? __pfx_kobject_init_and_add+0x10/0x10
[ 464.573069][ T9219] ? __raw_spin_lock_init+0x45/0x100
[ 464.573089][ T9219] ? __init_swait_queue_head+0xa9/0x150
[ 464.573119][ T9219] gfs2_sys_fs_add+0x234/0x450
[ 464.573143][ T9219] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 464.573174][ T9219] ? is_dynamic_key+0xd6/0x1c0
[ 464.573192][ T9219] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 464.573223][ T9219] gfs2_fill_super+0x13d1/0x2270
[ 464.573264][ T9219] ? __pfx_gfs2_fill_super+0x10/0x10
[ 464.573292][ T9219] ? sb_set_blocksize+0x104/0x180
[ 464.573321][ T9219] ? setup_bdev_super+0x4c1/0x5b0
[ 464.573347][ T9219] get_tree_bdev_flags+0x40e/0x4d0
[ 464.573369][ T9219] ? __pfx_gfs2_fill_super+0x10/0x10
[ 464.573393][ T9219] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 464.573413][ T9219] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 464.573441][ T9219] gfs2_get_tree+0x51/0x1e0
[ 464.573467][ T9219] vfs_get_tree+0x92/0x2b0
[ 464.573492][ T9219] do_new_mount+0x302/0xa10
[ 464.573522][ T9219] ? apparmor_capable+0x137/0x1b0
[ 464.573547][ T9219] ? __pfx_do_new_mount+0x10/0x10
[ 464.573571][ T9219] ? ns_capable+0x8a/0xf0
[ 464.573597][ T9219] ? kmem_cache_free+0x19b/0x690
[ 464.573626][ T9219] __se_sys_mount+0x313/0x410
[ 464.573657][ T9219] ? __pfx___se_sys_mount+0x10/0x10
[ 464.573685][ T9219] ? do_syscall_64+0xbe/0xfa0
[ 464.573706][ T9219] ? __x64_sys_mount+0x20/0xc0
[ 464.573732][ T9219] do_syscall_64+0xfa/0xfa0
[ 464.573756][ T9219] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 464.573774][ T9219] ? clear_bhb_loop+0x60/0xb0
[ 464.573796][ T9219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 464.573813][ T9219] RIP: 0033:0x7fc3ca99038a
[ 464.573831][ T9219] 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
[ 464.573846][ T9219] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 464.573865][ T9219] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 464.573880][ T9219] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 464.573892][ T9219] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 464.573905][ T9219] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 464.573917][ T9219] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 464.573949][ T9219]
[ 464.974440][ T9219] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 465.012812][ T9223] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 465.025199][ T793] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 465.032208][ T793] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 465.071694][ T9219] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 465.177100][ T9226] loop1: detected capacity change from 0 to 32768
[ 465.244813][ T9226] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 465.263254][ T9226] CPU: 0 UID: 0 PID: 9226 Comm: syz.1.553 Not tainted syzkaller #0 PREEMPT(full)
[ 465.263281][ T9226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 465.263293][ T9226] Call Trace:
[ 465.263301][ T9226]
[ 465.263310][ T9226] dump_stack_lvl+0x189/0x250
[ 465.263343][ T9226] ? __pfx_dump_stack_lvl+0x10/0x10
[ 465.263368][ T9226] ? __pfx__printk+0x10/0x10
[ 465.263495][ T9226] ? kernfs_path_from_node+0x250/0x290
[ 465.263517][ T9226] ? kernfs_path_from_node+0x2f/0x290
[ 465.263541][ T9226] sysfs_create_dir_ns+0x259/0x280
[ 465.263560][ T9226] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 465.263587][ T9226] ? do_raw_spin_unlock+0x122/0x240
[ 465.263608][ T9226] kobject_add_internal+0x59f/0xb70
[ 465.263641][ T9226] kobject_init_and_add+0x125/0x190
[ 465.263673][ T9226] ? __pfx_kobject_init_and_add+0x10/0x10
[ 465.263698][ T9226] ? __raw_spin_lock_init+0x45/0x100
[ 465.263717][ T9226] ? __init_swait_queue_head+0xa9/0x150
[ 465.263748][ T9226] gfs2_sys_fs_add+0x234/0x450
[ 465.263771][ T9226] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 465.263798][ T9226] ? is_dynamic_key+0xd6/0x1c0
[ 465.263817][ T9226] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 465.263850][ T9226] gfs2_fill_super+0x13d1/0x2270
[ 465.263891][ T9226] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.263920][ T9226] ? sb_set_blocksize+0x104/0x180
[ 465.263949][ T9226] ? setup_bdev_super+0x4c1/0x5b0
[ 465.263975][ T9226] get_tree_bdev_flags+0x40e/0x4d0
[ 465.263997][ T9226] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.264021][ T9226] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 465.264041][ T9226] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 465.264069][ T9226] gfs2_get_tree+0x51/0x1e0
[ 465.264098][ T9226] vfs_get_tree+0x92/0x2b0
[ 465.264122][ T9226] do_new_mount+0x302/0xa10
[ 465.264143][ T9226] ? apparmor_capable+0x137/0x1b0
[ 465.264169][ T9226] ? __pfx_do_new_mount+0x10/0x10
[ 465.264192][ T9226] ? ns_capable+0x8a/0xf0
[ 465.264217][ T9226] ? kmem_cache_free+0x19b/0x690
[ 465.264247][ T9226] __se_sys_mount+0x313/0x410
[ 465.264277][ T9226] ? __pfx___se_sys_mount+0x10/0x10
[ 465.264304][ T9226] ? do_syscall_64+0xbe/0xfa0
[ 465.264326][ T9226] ? __x64_sys_mount+0x20/0xc0
[ 465.264351][ T9226] do_syscall_64+0xfa/0xfa0
[ 465.264375][ T9226] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.264407][ T9226] ? clear_bhb_loop+0x60/0xb0
[ 465.264428][ T9226] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.264445][ T9226] RIP: 0033:0x7f88f099038a
[ 465.264463][ T9226] 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
[ 465.264479][ T9226] RSP: 002b:00007f88f17bae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 465.264499][ T9226] RAX: ffffffffffffffda RBX: 00007f88f17baef0 RCX: 00007f88f099038a
[ 465.264512][ T9226] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f88f17baeb0
[ 465.264525][ T9226] RBP: 000020000001f680 R08: 00007f88f17baef0 R09: 0000000000000084
[ 465.264538][ T9226] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 465.264550][ T9226] R13: 00007f88f17baeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 465.264581][ T9226]
[ 465.264651][ T9226] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 465.280339][ T793] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 248ms
[ 465.412542][ T9226] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 465.419186][ T793] gfs2: fsid=syz:syz.0: jid=0: Done
[ 465.440679][ T9227] loop2: detected capacity change from 0 to 32768
[ 465.442174][ T9223] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 465.511669][ T9227] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 465.713484][ T9227] CPU: 1 UID: 0 PID: 9227 Comm: syz.2.552 Not tainted syzkaller #0 PREEMPT(full)
[ 465.713512][ T9227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 465.713524][ T9227] Call Trace:
[ 465.713533][ T9227]
[ 465.713541][ T9227] dump_stack_lvl+0x189/0x250
[ 465.713575][ T9227] ? __pfx_dump_stack_lvl+0x10/0x10
[ 465.713598][ T9227] ? __pfx__printk+0x10/0x10
[ 465.713624][ T9227] ? kernfs_path_from_node+0x250/0x290
[ 465.713643][ T9227] ? kernfs_path_from_node+0x2f/0x290
[ 465.713667][ T9227] sysfs_create_dir_ns+0x259/0x280
[ 465.713691][ T9227] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 465.713714][ T9227] ? do_raw_spin_unlock+0x122/0x240
[ 465.713738][ T9227] kobject_add_internal+0x59f/0xb70
[ 465.713774][ T9227] kobject_init_and_add+0x125/0x190
[ 465.713806][ T9227] ? __pfx_kobject_init_and_add+0x10/0x10
[ 465.713833][ T9227] ? __raw_spin_lock_init+0x45/0x100
[ 465.713853][ T9227] ? __init_swait_queue_head+0xa9/0x150
[ 465.713883][ T9227] gfs2_sys_fs_add+0x234/0x450
[ 465.713907][ T9227] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 465.713934][ T9227] ? is_dynamic_key+0xd6/0x1c0
[ 465.713954][ T9227] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 465.713987][ T9227] gfs2_fill_super+0x13d1/0x2270
[ 465.714027][ T9227] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.714055][ T9227] ? sb_set_blocksize+0x104/0x180
[ 465.714085][ T9227] ? setup_bdev_super+0x4c1/0x5b0
[ 465.714111][ T9227] get_tree_bdev_flags+0x40e/0x4d0
[ 465.714133][ T9227] ? __pfx_gfs2_fill_super+0x10/0x10
[ 465.714156][ T9227] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 465.714176][ T9227] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 465.714204][ T9227] gfs2_get_tree+0x51/0x1e0
[ 465.714231][ T9227] vfs_get_tree+0x92/0x2b0
[ 465.714256][ T9227] do_new_mount+0x302/0xa10
[ 465.714278][ T9227] ? apparmor_capable+0x137/0x1b0
[ 465.714304][ T9227] ? __pfx_do_new_mount+0x10/0x10
[ 465.714350][ T9227] ? ns_capable+0x8a/0xf0
[ 465.714375][ T9227] ? kmem_cache_free+0x19b/0x690
[ 465.714405][ T9227] __se_sys_mount+0x313/0x410
[ 465.714434][ T9227] ? __pfx___se_sys_mount+0x10/0x10
[ 465.714462][ T9227] ? do_syscall_64+0xbe/0xfa0
[ 465.714484][ T9227] ? __x64_sys_mount+0x20/0xc0
[ 465.714510][ T9227] do_syscall_64+0xfa/0xfa0
[ 465.714534][ T9227] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.714552][ T9227] ? clear_bhb_loop+0x60/0xb0
[ 465.714574][ T9227] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 465.714590][ T9227] RIP: 0033:0x7fc26d19038a
2025/11/08 13:52:04 executed programs: 549
[ 465.714608][ T9227] 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
[ 465.714623][ T9227] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 465.714643][ T9227] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 465.714658][ T9227] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 465.714671][ T9227] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 465.714684][ T9227] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 465.714696][ T9227] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 465.714729][ T9227]
[ 465.714754][ T9227] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 466.086874][ T9227] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 466.530906][ T9229] loop4: detected capacity change from 0 to 32768
[ 466.565738][ T9229] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 466.620768][ T9229] CPU: 0 UID: 0 PID: 9229 Comm: syz.4.554 Not tainted syzkaller #0 PREEMPT(full)
[ 466.620796][ T9229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 466.620809][ T9229] Call Trace:
[ 466.620817][ T9229]
[ 466.620826][ T9229] dump_stack_lvl+0x189/0x250
[ 466.620860][ T9229] ? __pfx_dump_stack_lvl+0x10/0x10
[ 466.620886][ T9229] ? __pfx__printk+0x10/0x10
[ 466.620913][ T9229] ? kernfs_path_from_node+0x250/0x290
[ 466.620933][ T9229] ? kernfs_path_from_node+0x2f/0x290
[ 466.620958][ T9229] sysfs_create_dir_ns+0x259/0x280
[ 466.620982][ T9229] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 466.621005][ T9229] ? do_raw_spin_unlock+0x122/0x240
[ 466.621029][ T9229] kobject_add_internal+0x59f/0xb70
[ 466.621064][ T9229] kobject_init_and_add+0x125/0x190
[ 466.621095][ T9229] ? __pfx_kobject_init_and_add+0x10/0x10
[ 466.621122][ T9229] ? __raw_spin_lock_init+0x45/0x100
[ 466.621142][ T9229] ? __init_swait_queue_head+0xa9/0x150
[ 466.621172][ T9229] gfs2_sys_fs_add+0x234/0x450
[ 466.621195][ T9229] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 466.621221][ T9229] ? is_dynamic_key+0xd6/0x1c0
[ 466.621242][ T9229] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 466.621276][ T9229] gfs2_fill_super+0x13d1/0x2270
[ 466.621324][ T9229] ? __pfx_gfs2_fill_super+0x10/0x10
[ 466.621353][ T9229] ? sb_set_blocksize+0x104/0x180
[ 466.621382][ T9229] ? setup_bdev_super+0x4c1/0x5b0
[ 466.621409][ T9229] get_tree_bdev_flags+0x40e/0x4d0
[ 466.621431][ T9229] ? __pfx_gfs2_fill_super+0x10/0x10
[ 466.621455][ T9229] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 466.621475][ T9229] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 466.621504][ T9229] gfs2_get_tree+0x51/0x1e0
[ 466.621532][ T9229] vfs_get_tree+0x92/0x2b0
[ 466.621557][ T9229] do_new_mount+0x302/0xa10
[ 466.621580][ T9229] ? apparmor_capable+0x137/0x1b0
[ 466.621605][ T9229] ? __pfx_do_new_mount+0x10/0x10
[ 466.621629][ T9229] ? ns_capable+0x8a/0xf0
[ 466.621654][ T9229] ? kmem_cache_free+0x19b/0x690
[ 466.621683][ T9229] __se_sys_mount+0x313/0x410
[ 466.621713][ T9229] ? __pfx___se_sys_mount+0x10/0x10
[ 466.621741][ T9229] ? do_syscall_64+0xbe/0xfa0
[ 466.621763][ T9229] ? __x64_sys_mount+0x20/0xc0
[ 466.621788][ T9229] do_syscall_64+0xfa/0xfa0
[ 466.621812][ T9229] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 466.621834][ T9229] ? clear_bhb_loop+0x60/0xb0
[ 466.621856][ T9229] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 466.621874][ T9229] RIP: 0033:0x7f1692b9038a
[ 466.621891][ T9229] 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
[ 466.621905][ T9229] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 466.621924][ T9229] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 466.621938][ T9229] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 466.621949][ T9229] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 466.621959][ T9229] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 466.621971][ T9229] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 466.622002][ T9229]
[ 466.622028][ T9229] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 466.980171][ T9229] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 467.095603][ T9243] loop1: detected capacity change from 0 to 32768
[ 467.171038][ T9243] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 467.208769][ T9243] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 467.293589][ T9243] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 467.372327][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 467.403255][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 467.521612][ T9239] loop3: detected capacity change from 0 to 32768
[ 467.572203][ T9239] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 467.587668][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 184ms
[ 467.597191][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 467.602483][ T9243] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 467.654922][ T9239] CPU: 1 UID: 0 PID: 9239 Comm: syz.3.555 Not tainted syzkaller #0 PREEMPT(full)
[ 467.654949][ T9239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 467.654961][ T9239] Call Trace:
[ 467.654969][ T9239]
[ 467.654976][ T9239] dump_stack_lvl+0x189/0x250
[ 467.655009][ T9239] ? __pfx_dump_stack_lvl+0x10/0x10
[ 467.655031][ T9239] ? __pfx__printk+0x10/0x10
[ 467.655057][ T9239] ? kernfs_path_from_node+0x250/0x290
[ 467.655077][ T9239] ? kernfs_path_from_node+0x2f/0x290
[ 467.655102][ T9239] sysfs_create_dir_ns+0x259/0x280
[ 467.655126][ T9239] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 467.655150][ T9239] ? do_raw_spin_unlock+0x122/0x240
[ 467.655174][ T9239] kobject_add_internal+0x59f/0xb70
[ 467.655211][ T9239] kobject_init_and_add+0x125/0x190
[ 467.655243][ T9239] ? __pfx_kobject_init_and_add+0x10/0x10
[ 467.655279][ T9239] ? __raw_spin_lock_init+0x45/0x100
[ 467.655300][ T9239] ? __init_swait_queue_head+0xa9/0x150
[ 467.655331][ T9239] gfs2_sys_fs_add+0x234/0x450
[ 467.655356][ T9239] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 467.655388][ T9239] ? is_dynamic_key+0xd6/0x1c0
[ 467.655409][ T9239] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 467.655443][ T9239] gfs2_fill_super+0x13d1/0x2270
[ 467.655484][ T9239] ? __pfx_gfs2_fill_super+0x10/0x10
[ 467.655513][ T9239] ? sb_set_blocksize+0x104/0x180
[ 467.655543][ T9239] ? setup_bdev_super+0x4c1/0x5b0
[ 467.655569][ T9239] get_tree_bdev_flags+0x40e/0x4d0
[ 467.655592][ T9239] ? __pfx_gfs2_fill_super+0x10/0x10
[ 467.655615][ T9239] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 467.655636][ T9239] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 467.655666][ T9239] gfs2_get_tree+0x51/0x1e0
[ 467.655694][ T9239] vfs_get_tree+0x92/0x2b0
[ 467.655718][ T9239] do_new_mount+0x302/0xa10
[ 467.655740][ T9239] ? apparmor_capable+0x137/0x1b0
[ 467.655763][ T9239] ? __pfx_do_new_mount+0x10/0x10
[ 467.655787][ T9239] ? ns_capable+0x8a/0xf0
[ 467.655811][ T9239] ? kmem_cache_free+0x19b/0x690
[ 467.655843][ T9239] __se_sys_mount+0x313/0x410
[ 467.655874][ T9239] ? __pfx___se_sys_mount+0x10/0x10
[ 467.655903][ T9239] ? do_syscall_64+0xbe/0xfa0
[ 467.655926][ T9239] ? __x64_sys_mount+0x20/0xc0
[ 467.655952][ T9239] do_syscall_64+0xfa/0xfa0
[ 467.655975][ T9239] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 467.655992][ T9239] ? clear_bhb_loop+0x60/0xb0
[ 467.656014][ T9239] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 467.656031][ T9239] RIP: 0033:0x7fc3ca99038a
[ 467.656049][ T9239] 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
[ 467.656065][ T9239] RSP: 002b:00007fc3cb81be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 467.656086][ T9239] RAX: ffffffffffffffda RBX: 00007fc3cb81bef0 RCX: 00007fc3ca99038a
[ 467.656101][ T9239] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc3cb81beb0
[ 467.656115][ T9239] RBP: 000020000001f680 R08: 00007fc3cb81bef0 R09: 0000000000000084
[ 467.656129][ T9239] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 467.656143][ T9239] R13: 00007fc3cb81beb0 R14: 000000000001f790 R15: 00002000000001c0
[ 467.656175][ T9239]
[ 467.656201][ T9239] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 468.005704][ T9239] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 468.416253][ T9245] loop2: detected capacity change from 0 to 32768
[ 468.465138][ T9245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 468.493636][ T9245] CPU: 1 UID: 0 PID: 9245 Comm: syz.2.558 Not tainted syzkaller #0 PREEMPT(full)
[ 468.493662][ T9245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 468.493674][ T9245] Call Trace:
[ 468.493682][ T9245]
[ 468.493691][ T9245] dump_stack_lvl+0x189/0x250
[ 468.493725][ T9245] ? __pfx_dump_stack_lvl+0x10/0x10
[ 468.493750][ T9245] ? __pfx__printk+0x10/0x10
[ 468.493775][ T9245] ? kernfs_path_from_node+0x250/0x290
[ 468.493796][ T9245] ? kernfs_path_from_node+0x2f/0x290
[ 468.493820][ T9245] sysfs_create_dir_ns+0x259/0x280
[ 468.493844][ T9245] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 468.493867][ T9245] ? do_raw_spin_unlock+0x122/0x240
[ 468.493889][ T9245] kobject_add_internal+0x59f/0xb70
[ 468.493926][ T9245] kobject_init_and_add+0x125/0x190
[ 468.493958][ T9245] ? __pfx_kobject_init_and_add+0x10/0x10
[ 468.493985][ T9245] ? __raw_spin_lock_init+0x45/0x100
[ 468.494005][ T9245] ? __init_swait_queue_head+0xa9/0x150
[ 468.494036][ T9245] gfs2_sys_fs_add+0x234/0x450
[ 468.494059][ T9245] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 468.494086][ T9245] ? is_dynamic_key+0xd6/0x1c0
[ 468.494122][ T9245] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 468.494155][ T9245] gfs2_fill_super+0x13d1/0x2270
[ 468.494195][ T9245] ? __pfx_gfs2_fill_super+0x10/0x10
[ 468.494224][ T9245] ? sb_set_blocksize+0x104/0x180
[ 468.494253][ T9245] ? setup_bdev_super+0x4c1/0x5b0
[ 468.494279][ T9245] get_tree_bdev_flags+0x40e/0x4d0
[ 468.494301][ T9245] ? __pfx_gfs2_fill_super+0x10/0x10
[ 468.494324][ T9245] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 468.494344][ T9245] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 468.494373][ T9245] gfs2_get_tree+0x51/0x1e0
[ 468.494407][ T9245] vfs_get_tree+0x92/0x2b0
[ 468.494431][ T9245] do_new_mount+0x302/0xa10
[ 468.494453][ T9245] ? apparmor_capable+0x137/0x1b0
[ 468.494478][ T9245] ? __pfx_do_new_mount+0x10/0x10
[ 468.494502][ T9245] ? ns_capable+0x8a/0xf0
[ 468.494527][ T9245] ? kmem_cache_free+0x19b/0x690
[ 468.494557][ T9245] __se_sys_mount+0x313/0x410
[ 468.494587][ T9245] ? __pfx___se_sys_mount+0x10/0x10
[ 468.494615][ T9245] ? do_syscall_64+0xbe/0xfa0
[ 468.494637][ T9245] ? __x64_sys_mount+0x20/0xc0
[ 468.494663][ T9245] do_syscall_64+0xfa/0xfa0
[ 468.494686][ T9245] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 468.494704][ T9245] ? clear_bhb_loop+0x60/0xb0
[ 468.494727][ T9245] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 468.494743][ T9245] RIP: 0033:0x7fc26d19038a
[ 468.494761][ T9245] 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
[ 468.494776][ T9245] RSP: 002b:00007fc26e05ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 468.494796][ T9245] RAX: ffffffffffffffda RBX: 00007fc26e05eef0 RCX: 00007fc26d19038a
[ 468.494810][ T9245] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fc26e05eeb0
[ 468.494823][ T9245] RBP: 000020000001f680 R08: 00007fc26e05eef0 R09: 0000000000000084
[ 468.494835][ T9245] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 468.494848][ T9245] R13: 00007fc26e05eeb0 R14: 000000000001f790 R15: 00002000000001c0
[ 468.494880][ T9245]
[ 468.494906][ T9245] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 468.731140][ T9251] loop0: detected capacity change from 0 to 32768
[ 468.820488][ T9245] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 468.865469][ T9251] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 468.866318][ T9253] loop4: detected capacity change from 0 to 32768
[ 468.908290][ T9253] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 468.916409][ T9251] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 468.942303][ T9253] CPU: 1 UID: 0 PID: 9253 Comm: syz.4.559 Not tainted syzkaller #0 PREEMPT(full)
[ 468.942328][ T9253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 468.942346][ T9253] Call Trace:
[ 468.942354][ T9253]
[ 468.942363][ T9253] dump_stack_lvl+0x189/0x250
[ 468.942397][ T9253] ? __pfx_dump_stack_lvl+0x10/0x10
[ 468.942422][ T9253] ? __pfx__printk+0x10/0x10
[ 468.942449][ T9253] ? kernfs_path_from_node+0x250/0x290
[ 468.942469][ T9253] ? kernfs_path_from_node+0x2f/0x290
[ 468.942493][ T9253] sysfs_create_dir_ns+0x259/0x280
[ 468.942518][ T9253] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 468.942540][ T9253] ? do_raw_spin_unlock+0x122/0x240
[ 468.942564][ T9253] kobject_add_internal+0x59f/0xb70
[ 468.942599][ T9253] kobject_init_and_add+0x125/0x190
[ 468.942631][ T9253] ? __pfx_kobject_init_and_add+0x10/0x10
[ 468.942658][ T9253] ? __raw_spin_lock_init+0x45/0x100
[ 468.942678][ T9253] ? __init_swait_queue_head+0xa9/0x150
[ 468.942709][ T9253] gfs2_sys_fs_add+0x234/0x450
[ 468.942732][ T9253] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 468.942758][ T9253] ? is_dynamic_key+0xd6/0x1c0
[ 468.942780][ T9253] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 468.942812][ T9253] gfs2_fill_super+0x13d1/0x2270
[ 468.942854][ T9253] ? __pfx_gfs2_fill_super+0x10/0x10
[ 468.942884][ T9253] ? sb_set_blocksize+0x104/0x180
[ 468.942913][ T9253] ? setup_bdev_super+0x4c1/0x5b0
[ 468.942939][ T9253] get_tree_bdev_flags+0x40e/0x4d0
[ 468.942961][ T9253] ? __pfx_gfs2_fill_super+0x10/0x10
[ 468.942985][ T9253] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 468.943005][ T9253] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 468.943034][ T9253] gfs2_get_tree+0x51/0x1e0
[ 468.943061][ T9253] vfs_get_tree+0x92/0x2b0
[ 468.943085][ T9253] do_new_mount+0x302/0xa10
[ 468.943107][ T9253] ? apparmor_capable+0x137/0x1b0
[ 468.943133][ T9253] ? __pfx_do_new_mount+0x10/0x10
[ 468.943156][ T9253] ? ns_capable+0x8a/0xf0
[ 468.943183][ T9253] ? kmem_cache_free+0x19b/0x690
[ 468.943208][ T9253] __se_sys_mount+0x313/0x410
[ 468.943235][ T9253] ? __pfx___se_sys_mount+0x10/0x10
[ 468.943259][ T9253] ? do_syscall_64+0xbe/0xfa0
[ 468.943278][ T9253] ? __x64_sys_mount+0x20/0xc0
[ 468.943299][ T9253] do_syscall_64+0xfa/0xfa0
[ 468.943320][ T9253] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 468.943342][ T9253] ? clear_bhb_loop+0x60/0xb0
[ 468.943361][ T9253] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 468.943376][ T9253] RIP: 0033:0x7f1692b9038a
[ 468.943392][ T9253] 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
[ 468.943406][ T9253] RSP: 002b:00007f1693ad5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 468.943423][ T9253] RAX: ffffffffffffffda RBX: 00007f1693ad5ef0 RCX: 00007f1692b9038a
[ 468.943434][ T9253] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f1693ad5eb0
[ 468.943445][ T9253] RBP: 000020000001f680 R08: 00007f1693ad5ef0 R09: 0000000000000084
[ 468.943456][ T9253] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[ 468.943468][ T9253] R13: 00007f1693ad5eb0 R14: 000000000001f790 R15: 00002000000001c0
[ 468.943496][ T9253]
[ 469.343347][ T9253] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 469.368378][ T9253] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 469.515830][ T9251] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 469.628498][ T793] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 469.635707][ T793] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 469.796154][ T793] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 160ms
[ 469.833477][ T793] gfs2: fsid=syz:syz.0: jid=0: Done
[ 469.838758][ T9251] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 469.914620][ T9259] loop3: detected capacity change from 0 to 32768
[ 469.963444][ T9259] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 469.971123][ T9259] CPU: 1 UID: 0 PID: 9259 Comm: syz.3.560 Not tainted syzkaller #0 PREEMPT(full)
[ 469.971148][ T9259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 469.971158][ T9259] Call Trace:
[ 469.971165][ T9259]
[ 469.971171][ T9259] dump_stack_lvl+0x189/0x250
[ 469.971199][ T9259] ? __pfx_dump_stack_lvl+0x10/0x10
[ 469.971220][ T9259] ? __pfx__printk+0x10/0x10
[ 469.971242][ T9259] ? kernfs_path_from_node+0x250/0x290
[ 469.971260][ T9259] ? kernfs_path_from_node+0x2f/0x290
[ 469.971282][ T9259] sysfs_create_dir_ns+0x259/0x280
[ 469.971303][ T9259] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 469.971320][ T9259] ? do_raw_spin_unlock+0x122/0x240
[ 469.971338][ T9259] kobject_add_internal+0x59f/0xb70
[ 469.971366][ T9259] kobject_init_and_add+0x125/0x190
[ 469.971391][ T9259] ? __pfx_kobject_init_and_add+0x10/0x10