___se_sys_mount+0x10/0x10
[  337.296957][ T6984]  ? srso_alias_return_thunk+0x5/0xfbef5
[  337.296993][ T6984]  ? srso_alias_return_thunk+0x5/0xfbef5
[  337.297021][ T6984]  ? __x64_sys_mount+0x20/0xc0
[  337.297061][ T6984]  do_syscall_64+0xfa/0x3b0
[  337.297084][ T6984]  ? lockdep_hardirqs_on+0x9c/0x150
[  337.297125][ T6984]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.297149][ T6984]  ? srso_alias_return_thunk+0x5/0xfbef5
[  337.297177][ T6984]  ? exc_page_fault+0x9f/0xf0
[  337.297216][ T6984]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  337.297240][ T6984] RIP: 0033:0x7fa0f439038a
[  337.297263][ T6984] 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
[  337.297285][ T6984] RSP: 002b:00007ffc5bb3b9a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.297312][ T6984] RAX: ffffffffffffffda RBX: 00007ffc5bb3ba30 RCX: 00007fa0f439038a
[  337.297332][ T6984] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffc5bb3b9f0
[  337.297350][ T6984] RBP: 0000200000000180 R08: 00007ffc5bb3ba30 R09: 0000000000000000
[  337.297368][ T6984] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  337.297385][ T6984] R13: 00007ffc5bb3b9f0 R14: 00000000000125b0 R15: 0000200000000080
[  337.297421][ T6984]  </TASK>
[  337.300350][ T6984] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.424027][ T6983] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[  337.424670][ T6984] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.457907][ T6129] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  337.632998][ T6984] loop2: detected capacity change from 0 to 2048
[  337.872860][ T6990] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  338.031558][ T6989] loop3: detected capacity change from 0 to 32768
[  338.040377][ T6129] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  338.186003][ T6129] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 145ms
[  338.193721][ T6129] gfs2: fsid=syz:syz.0: jid=0: Done
[  338.199272][ T6983] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  338.247508][ T6989] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.255008][ T6989] CPU: 0 UID: 0 PID: 6989 Comm: syz.3.286 Not tainted syzkaller #0 PREEMPT(full) 
[  338.255038][ T6989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  338.255054][ T6989] Call Trace:
[  338.255064][ T6989]  <TASK>
[  338.255076][ T6989]  dump_stack_lvl+0x189/0x250
[  338.255121][ T6989]  ? __pfx_dump_stack_lvl+0x10/0x10
[  338.255152][ T6989]  ? __pfx__printk+0x10/0x10
[  338.255197][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.255228][ T6989]  ? kernfs_path_from_node+0x250/0x290
[  338.255258][ T6989]  ? kernfs_path_from_node+0x2f/0x290
[  338.255290][ T6989]  sysfs_create_dir_ns+0x259/0x280
[  338.255321][ T6989]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  338.255351][ T6989]  ? do_raw_spin_unlock+0x122/0x240
[  338.255390][ T6989]  kobject_add_internal+0x59f/0xb40
[  338.255428][ T6989]  kobject_init_and_add+0x125/0x190
[  338.255461][ T6989]  ? __pfx_kobject_init_and_add+0x10/0x10
[  338.255487][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.255515][ T6989]  ? __raw_spin_lock_init+0x45/0x100
[  338.255546][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.255574][ T6989]  ? __init_swait_queue_head+0xa9/0x150
[  338.255611][ T6989]  gfs2_sys_fs_add+0x234/0x450
[  338.255642][ T6989]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  338.255681][ T6989]  ? is_dynamic_key+0xd6/0x1c0
[  338.255720][ T6989]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  338.255774][ T6989]  gfs2_fill_super+0x13c0/0x20d0
[  338.255832][ T6989]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.255863][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.255898][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.255926][ T6989]  ? sb_set_blocksize+0x104/0x180
[  338.255969][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.255997][ T6989]  ? setup_bdev_super+0x4c1/0x5b0
[  338.256039][ T6989]  get_tree_bdev_flags+0x40e/0x4d0
[  338.256074][ T6989]  ? __pfx_gfs2_fill_super+0x10/0x10
[  338.256109][ T6989]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  338.256146][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.256184][ T6989]  gfs2_get_tree+0x51/0x1e0
[  338.256222][ T6989]  vfs_get_tree+0x92/0x2b0
[  338.256260][ T6989]  do_new_mount+0x2a2/0x9e0
[  338.256305][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.256333][ T6989]  ? ns_capable+0x8a/0xf0
[  338.256357][ T6989]  ? __pfx_do_new_mount+0x10/0x10
[  338.256392][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.256420][ T6989]  ? path_mount+0x61c/0xfe0
[  338.256454][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.256496][ T6989]  __se_sys_mount+0x317/0x410
[  338.256541][ T6989]  ? __pfx___se_sys_mount+0x10/0x10
[  338.256577][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.256613][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.256641][ T6989]  ? __x64_sys_mount+0x20/0xc0
[  338.256689][ T6989]  do_syscall_64+0xfa/0x3b0
[  338.256712][ T6989]  ? lockdep_hardirqs_on+0x9c/0x150
[  338.256752][ T6989]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.256776][ T6989]  ? srso_alias_return_thunk+0x5/0xfbef5
[  338.256804][ T6989]  ? exc_page_fault+0x9f/0xf0
[  338.256842][ T6989]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  338.256866][ T6989] RIP: 0033:0x7f046ed9038a
[  338.256888][ T6989] 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
[  338.256911][ T6989] RSP: 002b:00007ffeee1e4d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.256937][ T6989] RAX: ffffffffffffffda RBX: 00007ffeee1e4dd0 RCX: 00007f046ed9038a
[  338.256958][ T6989] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffeee1e4d90
[  338.256977][ T6989] RBP: 0000200000000180 R08: 00007ffeee1e4dd0 R09: 0000000000000000
[  338.256995][ T6989] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  338.257011][ T6989] R13: 00007ffeee1e4d90 R14: 00000000000125b0 R15: 0000200000000080
[  338.257049][ T6989]  </TASK>
[  338.502511][ T6982] NILFS (loop0): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  338.509495][ T6989] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.513696][ T6980] NILFS (loop4): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  338.516110][ T6989] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.652055][ T6982] NILFS error (device loop0): nilfs_bmap_propagate: broken bmap (inode number=4)
[  338.702362][ T6980] NILFS error (device loop4): nilfs_bmap_propagate: broken bmap (inode number=4)
[  338.780502][ T6983] gfs2: fsid=syz:syz.0: found 1 quota changes
[  338.851496][ T6981] NILFS (loop1): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  338.925461][ T6980] Remounting filesystem read-only
[  338.931896][ T6982] Remounting filesystem read-only
[  338.975231][ T6981] NILFS error (device loop1): nilfs_bmap_propagate: broken bmap (inode number=4)
[  339.015855][ T5970] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  339.025547][ T5988] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  339.222004][ T6981] Remounting filesystem read-only
[  339.298391][ T5975] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
2025/09/02 05:08:06 executed programs: 288
[  341.009923][ T6997] loop1: detected capacity change from 0 to 32768
[  341.131790][ T6997] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.139544][ T6997] CPU: 0 UID: 0 PID: 6997 Comm: syz.1.288 Not tainted syzkaller #0 PREEMPT(full) 
[  341.139574][ T6997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  341.139591][ T6997] Call Trace:
[  341.139602][ T6997]  <TASK>
[  341.139613][ T6997]  dump_stack_lvl+0x189/0x250
[  341.139656][ T6997]  ? __pfx_dump_stack_lvl+0x10/0x10
[  341.139686][ T6997]  ? __pfx__printk+0x10/0x10
[  341.139731][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.139764][ T6997]  ? kernfs_path_from_node+0x250/0x290
[  341.139793][ T6997]  ? kernfs_path_from_node+0x2f/0x290
[  341.139825][ T6997]  sysfs_create_dir_ns+0x259/0x280
[  341.139857][ T6997]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  341.139887][ T6997]  ? do_raw_spin_unlock+0x122/0x240
[  341.139934][ T6997]  kobject_add_internal+0x59f/0xb40
[  341.140001][ T6997]  kobject_init_and_add+0x125/0x190
[  341.140033][ T6997]  ? __pfx_kobject_init_and_add+0x10/0x10
[  341.140060][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.140089][ T6997]  ? __raw_spin_lock_init+0x45/0x100
[  341.140121][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.140149][ T6997]  ? __init_swait_queue_head+0xa9/0x150
[  341.140185][ T6997]  gfs2_sys_fs_add+0x234/0x450
[  341.140216][ T6997]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  341.140251][ T6997]  ? is_dynamic_key+0xd6/0x1c0
[  341.140290][ T6997]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  341.140343][ T6997]  gfs2_fill_super+0x13c0/0x20d0
[  341.140400][ T6997]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.140432][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.140467][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.140495][ T6997]  ? sb_set_blocksize+0x104/0x180
[  341.140540][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.140567][ T6997]  ? setup_bdev_super+0x4c1/0x5b0
[  341.140610][ T6997]  get_tree_bdev_flags+0x40e/0x4d0
[  341.140644][ T6997]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.140679][ T6997]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  341.140717][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.140755][ T6997]  gfs2_get_tree+0x51/0x1e0
[  341.140792][ T6997]  vfs_get_tree+0x92/0x2b0
[  341.140829][ T6997]  do_new_mount+0x2a2/0x9e0
[  341.140874][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.140906][ T6997]  ? ns_capable+0x8a/0xf0
[  341.140931][ T6997]  ? __pfx_do_new_mount+0x10/0x10
[  341.140967][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.140994][ T6997]  ? path_mount+0x61c/0xfe0
[  341.141028][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.141071][ T6997]  __se_sys_mount+0x317/0x410
[  341.141116][ T6997]  ? __pfx___se_sys_mount+0x10/0x10
[  341.141151][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.141188][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.141216][ T6997]  ? __x64_sys_mount+0x20/0xc0
[  341.141256][ T6997]  do_syscall_64+0xfa/0x3b0
[  341.141279][ T6997]  ? lockdep_hardirqs_on+0x9c/0x150
[  341.141319][ T6997]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.141343][ T6997]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.141370][ T6997]  ? exc_page_fault+0x9f/0xf0
[  341.141408][ T6997]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.141432][ T6997] RIP: 0033:0x7f04ff59038a
[  341.141454][ T6997] 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
[  341.141475][ T6997] RSP: 002b:00007ffe3b39f1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.141502][ T6997] RAX: ffffffffffffffda RBX: 00007ffe3b39f240 RCX: 00007f04ff59038a
[  341.141521][ T6997] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffe3b39f200
[  341.141541][ T6997] RBP: 0000200000000180 R08: 00007ffe3b39f240 R09: 0000000000000000
[  341.141559][ T6997] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  341.141575][ T6997] R13: 00007ffe3b39f200 R14: 00000000000125b0 R15: 0000200000000080
[  341.141613][ T6997]  </TASK>
[  341.141644][ T6997] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.399669][ T6998] loop3: detected capacity change from 0 to 32768
[  341.404277][ T6997] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  341.568716][ T6998] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.579313][ T6998] CPU: 1 UID: 0 PID: 6998 Comm: syz.3.292 Not tainted syzkaller #0 PREEMPT(full) 
[  341.579342][ T6998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  341.579358][ T6998] Call Trace:
[  341.579369][ T6998]  <TASK>
[  341.579380][ T6998]  dump_stack_lvl+0x189/0x250
[  341.579423][ T6998]  ? __pfx_dump_stack_lvl+0x10/0x10
[  341.579453][ T6998]  ? __pfx__printk+0x10/0x10
[  341.579498][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.579530][ T6998]  ? kernfs_path_from_node+0x250/0x290
[  341.579560][ T6998]  ? kernfs_path_from_node+0x2f/0x290
[  341.579592][ T6998]  sysfs_create_dir_ns+0x259/0x280
[  341.579623][ T6998]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  341.579659][ T6998]  ? do_raw_spin_unlock+0x122/0x240
[  341.579699][ T6998]  kobject_add_internal+0x59f/0xb40
[  341.579737][ T6998]  kobject_init_and_add+0x125/0x190
[  341.579770][ T6998]  ? __pfx_kobject_init_and_add+0x10/0x10
[  341.579797][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.579826][ T6998]  ? __raw_spin_lock_init+0x45/0x100
[  341.579857][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.579885][ T6998]  ? __init_swait_queue_head+0xa9/0x150
[  341.579923][ T6998]  gfs2_sys_fs_add+0x234/0x450
[  341.579955][ T6998]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  341.579989][ T6998]  ? is_dynamic_key+0xd6/0x1c0
[  341.580029][ T6998]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  341.580083][ T6998]  gfs2_fill_super+0x13c0/0x20d0
[  341.580140][ T6998]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.580172][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.580207][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.580236][ T6998]  ? sb_set_blocksize+0x104/0x180
[  341.580280][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.580308][ T6998]  ? setup_bdev_super+0x4c1/0x5b0
[  341.580351][ T6998]  get_tree_bdev_flags+0x40e/0x4d0
[  341.580386][ T6998]  ? __pfx_gfs2_fill_super+0x10/0x10
[  341.580420][ T6998]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  341.580459][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.580496][ T6998]  gfs2_get_tree+0x51/0x1e0
[  341.580534][ T6998]  vfs_get_tree+0x92/0x2b0
[  341.580572][ T6998]  do_new_mount+0x2a2/0x9e0
[  341.580618][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.580647][ T6998]  ? ns_capable+0x8a/0xf0
[  341.580677][ T6998]  ? __pfx_do_new_mount+0x10/0x10
[  341.580712][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.580740][ T6998]  ? path_mount+0x61c/0xfe0
[  341.580775][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.580817][ T6998]  __se_sys_mount+0x317/0x410
[  341.580863][ T6998]  ? __pfx___se_sys_mount+0x10/0x10
[  341.580899][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.580936][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.580964][ T6998]  ? __x64_sys_mount+0x20/0xc0
[  341.581005][ T6998]  do_syscall_64+0xfa/0x3b0
[  341.581028][ T6998]  ? lockdep_hardirqs_on+0x9c/0x150
[  341.581069][ T6998]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.581093][ T6998]  ? srso_alias_return_thunk+0x5/0xfbef5
[  341.581121][ T6998]  ? exc_page_fault+0x9f/0xf0
[  341.581160][ T6998]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  341.581184][ T6998] RIP: 0033:0x7f046ed9038a
[  341.581207][ T6998] 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
[  341.581228][ T6998] RSP: 002b:00007ffeee1e4d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.581254][ T6998] RAX: ffffffffffffffda RBX: 00007ffeee1e4dd0 RCX: 00007f046ed9038a
[  341.581273][ T6998] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffeee1e4d90
[  341.581292][ T6998] RBP: 0000200000000180 R08: 00007ffeee1e4dd0 R09: 0000000000000000
[  341.581310][ T6998] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  341.581327][ T6998] R13: 00007ffeee1e4d90 R14: 00000000000125b0 R15: 0000200000000080
[  341.581364][ T6998]  </TASK>
[  341.581393][ T6998] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.986926][ T6998] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  342.087969][ T7003] loop0: detected capacity change from 0 to 32768
[  342.130633][ T6990] NILFS (loop2): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  342.491646][ T7003] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  342.499245][ T7003] CPU: 1 UID: 0 PID: 7003 Comm: syz.0.295 Not tainted syzkaller #0 PREEMPT(full) 
[  342.499276][ T7003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  342.499293][ T7003] Call Trace:
[  342.499303][ T7003]  <TASK>
[  342.499313][ T7003]  dump_stack_lvl+0x189/0x250
[  342.499357][ T7003]  ? __pfx_dump_stack_lvl+0x10/0x10
[  342.499388][ T7003]  ? __pfx__printk+0x10/0x10
[  342.499433][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.499465][ T7003]  ? kernfs_path_from_node+0x250/0x290
[  342.499496][ T7003]  ? kernfs_path_from_node+0x2f/0x290
[  342.499528][ T7003]  sysfs_create_dir_ns+0x259/0x280
[  342.499561][ T7003]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  342.499591][ T7003]  ? do_raw_spin_unlock+0x122/0x240
[  342.499631][ T7003]  kobject_add_internal+0x59f/0xb40
[  342.499670][ T7003]  kobject_init_and_add+0x125/0x190
[  342.499703][ T7003]  ? __pfx_kobject_init_and_add+0x10/0x10
[  342.499731][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.499760][ T7003]  ? __raw_spin_lock_init+0x45/0x100
[  342.499793][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.499821][ T7003]  ? __init_swait_queue_head+0xa9/0x150
[  342.499858][ T7003]  gfs2_sys_fs_add+0x234/0x450
[  342.499895][ T7003]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  342.499930][ T7003]  ? is_dynamic_key+0xd6/0x1c0
[  342.499970][ T7003]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  342.500024][ T7003]  gfs2_fill_super+0x13c0/0x20d0
[  342.500082][ T7003]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.500114][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.500149][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.500178][ T7003]  ? sb_set_blocksize+0x104/0x180
[  342.500223][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.500252][ T7003]  ? setup_bdev_super+0x4c1/0x5b0
[  342.500294][ T7003]  get_tree_bdev_flags+0x40e/0x4d0
[  342.500330][ T7003]  ? __pfx_gfs2_fill_super+0x10/0x10
[  342.500365][ T7003]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  342.500404][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.500441][ T7003]  gfs2_get_tree+0x51/0x1e0
[  342.500479][ T7003]  vfs_get_tree+0x92/0x2b0
[  342.500518][ T7003]  do_new_mount+0x2a2/0x9e0
[  342.500563][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.500592][ T7003]  ? ns_capable+0x8a/0xf0
[  342.500617][ T7003]  ? __pfx_do_new_mount+0x10/0x10
[  342.500653][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.500681][ T7003]  ? path_mount+0x61c/0xfe0
[  342.500716][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.500758][ T7003]  __se_sys_mount+0x317/0x410
[  342.500804][ T7003]  ? __pfx___se_sys_mount+0x10/0x10
[  342.500840][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.500877][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.500911][ T7003]  ? __x64_sys_mount+0x20/0xc0
[  342.500952][ T7003]  do_syscall_64+0xfa/0x3b0
[  342.500975][ T7003]  ? lockdep_hardirqs_on+0x9c/0x150
[  342.501016][ T7003]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.501040][ T7003]  ? srso_alias_return_thunk+0x5/0xfbef5
[  342.501069][ T7003]  ? exc_page_fault+0x9f/0xf0
[  342.501107][ T7003]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  342.501132][ T7003] RIP: 0033:0x7f0f2b19038a
[  342.501155][ T7003] 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
[  342.501178][ T7003] RSP: 002b:00007ffde4425c08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  342.501205][ T7003] RAX: ffffffffffffffda RBX: 00007ffde4425c90 RCX: 00007f0f2b19038a
[  342.501225][ T7003] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffde4425c50
[  342.501243][ T7003] RBP: 0000200000000180 R08: 00007ffde4425c90 R09: 0000000000000000
[  342.501260][ T7003] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  342.501277][ T7003] R13: 00007ffde4425c50 R14: 00000000000125b0 R15: 0000200000000080
[  342.501315][ T7003]  </TASK>
[  342.501348][ T7003] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  342.890136][ T7003] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  342.939652][ T7005] loop4: detected capacity change from 0 to 32768
[  343.058488][ T7005] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  343.069243][ T7005] CPU: 0 UID: 0 PID: 7005 Comm: syz.4.294 Not tainted syzkaller #0 PREEMPT(full) 
[  343.069273][ T7005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  343.069290][ T7005] Call Trace:
[  343.069301][ T7005]  <TASK>
[  343.069311][ T7005]  dump_stack_lvl+0x189/0x250
[  343.069355][ T7005]  ? __pfx_dump_stack_lvl+0x10/0x10
[  343.069387][ T7005]  ? __pfx__printk+0x10/0x10
[  343.069432][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.069464][ T7005]  ? kernfs_path_from_node+0x250/0x290
[  343.069494][ T7005]  ? kernfs_path_from_node+0x2f/0x290
[  343.069527][ T7005]  sysfs_create_dir_ns+0x259/0x280
[  343.069559][ T7005]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  343.069589][ T7005]  ? do_raw_spin_unlock+0x122/0x240
[  343.069629][ T7005]  kobject_add_internal+0x59f/0xb40
[  343.069674][ T7005]  kobject_init_and_add+0x125/0x190
[  343.069707][ T7005]  ? __pfx_kobject_init_and_add+0x10/0x10
[  343.069734][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.069762][ T7005]  ? __raw_spin_lock_init+0x45/0x100
[  343.069794][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.069823][ T7005]  ? __init_swait_queue_head+0xa9/0x150
[  343.069860][ T7005]  gfs2_sys_fs_add+0x234/0x450
[  343.069891][ T7005]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  343.069926][ T7005]  ? is_dynamic_key+0xd6/0x1c0
[  343.069966][ T7005]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  343.070021][ T7005]  gfs2_fill_super+0x13c0/0x20d0
[  343.070078][ T7005]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.070110][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.070145][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.070174][ T7005]  ? sb_set_blocksize+0x104/0x180
[  343.070219][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.070247][ T7005]  ? setup_bdev_super+0x4c1/0x5b0
[  343.070290][ T7005]  get_tree_bdev_flags+0x40e/0x4d0
[  343.070325][ T7005]  ? __pfx_gfs2_fill_super+0x10/0x10
[  343.070360][ T7005]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  343.070398][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.070436][ T7005]  gfs2_get_tree+0x51/0x1e0
[  343.070474][ T7005]  vfs_get_tree+0x92/0x2b0
[  343.070513][ T7005]  do_new_mount+0x2a2/0x9e0
[  343.070557][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.070586][ T7005]  ? ns_capable+0x8a/0xf0
[  343.070611][ T7005]  ? __pfx_do_new_mount+0x10/0x10
[  343.070652][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.070681][ T7005]  ? path_mount+0x61c/0xfe0
[  343.070715][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.070757][ T7005]  __se_sys_mount+0x317/0x410
[  343.070803][ T7005]  ? __pfx___se_sys_mount+0x10/0x10
[  343.070839][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.070876][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.070904][ T7005]  ? __x64_sys_mount+0x20/0xc0
[  343.070945][ T7005]  do_syscall_64+0xfa/0x3b0
[  343.070968][ T7005]  ? lockdep_hardirqs_on+0x9c/0x150
[  343.071009][ T7005]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.071033][ T7005]  ? srso_alias_return_thunk+0x5/0xfbef5
[  343.071062][ T7005]  ? exc_page_fault+0x9f/0xf0
[  343.071100][ T7005]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  343.071125][ T7005] RIP: 0033:0x7fea0ab9038a
[  343.071148][ T7005] 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
[  343.071170][ T7005] RSP: 002b:00007ffda8c22488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  343.071197][ T7005] RAX: ffffffffffffffda RBX: 00007ffda8c22510 RCX: 00007fea0ab9038a
[  343.071217][ T7005] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffda8c224d0
[  343.071236][ T7005] RBP: 0000200000000180 R08: 00007ffda8c22510 R09: 0000000000000000
[  343.071253][ T7005] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  343.071270][ T7005] R13: 00007ffda8c224d0 R14: 00000000000125b0 R15: 0000200000000080
[  343.071308][ T7005]  </TASK>
[  343.071338][ T7005] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  343.244144][ T6990] NILFS error (device loop2): nilfs_bmap_propagate: broken bmap (inode number=4)
[  343.245230][ T7005] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  343.390037][ T7005] loop4: detected capacity change from 0 to 2048
[  343.512797][ T6990] Remounting filesystem read-only
[  343.576224][ T7010] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  343.647339][ T5972] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
2025/09/02 05:08:11 executed programs: 294
[  344.607371][ T7011] loop2: detected capacity change from 0 to 32768
[  344.665711][ T7011] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  344.673926][ T7011] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  344.685984][ T7011] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[  344.695013][  T844] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  344.706374][  T844] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  345.222168][ T7014] loop1: detected capacity change from 0 to 32768
[  345.321972][ T7015] loop3: detected capacity change from 0 to 32768
[  345.412726][ T7014] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  345.420397][ T7014] CPU: 1 UID: 0 PID: 7014 Comm: syz.1.296 Not tainted syzkaller #0 PREEMPT(full) 
[  345.420427][ T7014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  345.420444][ T7014] Call Trace:
[  345.420454][ T7014]  <TASK>
[  345.420465][ T7014]  dump_stack_lvl+0x189/0x250
[  345.420508][ T7014]  ? __pfx_dump_stack_lvl+0x10/0x10
[  345.420539][ T7014]  ? __pfx__printk+0x10/0x10
[  345.420584][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.420615][ T7014]  ? kernfs_path_from_node+0x250/0x290
[  345.420645][ T7014]  ? kernfs_path_from_node+0x2f/0x290
[  345.420677][ T7014]  sysfs_create_dir_ns+0x259/0x280
[  345.420708][ T7014]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  345.420737][ T7014]  ? do_raw_spin_unlock+0x122/0x240
[  345.420775][ T7014]  kobject_add_internal+0x59f/0xb40
[  345.420813][ T7014]  kobject_init_and_add+0x125/0x190
[  345.420850][ T7014]  ? __pfx_kobject_init_and_add+0x10/0x10
[  345.420875][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.420903][ T7014]  ? __raw_spin_lock_init+0x45/0x100
[  345.420939][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.420966][ T7014]  ? __init_swait_queue_head+0xa9/0x150
[  345.421002][ T7014]  gfs2_sys_fs_add+0x234/0x450
[  345.421033][ T7014]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  345.421067][ T7014]  ? is_dynamic_key+0xd6/0x1c0
[  345.421106][ T7014]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  345.421160][ T7014]  gfs2_fill_super+0x13c0/0x20d0
[  345.421217][ T7014]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.421249][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.421283][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.421310][ T7014]  ? sb_set_blocksize+0x104/0x180
[  345.421354][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.421382][ T7014]  ? setup_bdev_super+0x4c1/0x5b0
[  345.421423][ T7014]  get_tree_bdev_flags+0x40e/0x4d0
[  345.421457][ T7014]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.421491][ T7014]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  345.421528][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.421564][ T7014]  gfs2_get_tree+0x51/0x1e0
[  345.421601][ T7014]  vfs_get_tree+0x92/0x2b0
[  345.421637][ T7014]  do_new_mount+0x2a2/0x9e0
[  345.421683][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.421711][ T7014]  ? ns_capable+0x8a/0xf0
[  345.421736][ T7014]  ? __pfx_do_new_mount+0x10/0x10
[  345.421770][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.421798][ T7014]  ? path_mount+0x61c/0xfe0
[  345.421831][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.421873][ T7014]  __se_sys_mount+0x317/0x410
[  345.421920][ T7014]  ? __pfx___se_sys_mount+0x10/0x10
[  345.421956][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.421992][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.422019][ T7014]  ? __x64_sys_mount+0x20/0xc0
[  345.422059][ T7014]  do_syscall_64+0xfa/0x3b0
[  345.422082][ T7014]  ? lockdep_hardirqs_on+0x9c/0x150
[  345.422121][ T7014]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.422144][ T7014]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.422171][ T7014]  ? exc_page_fault+0x9f/0xf0
[  345.422208][ T7014]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.422232][ T7014] RIP: 0033:0x7f04ff59038a
[  345.422254][ T7014] 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
[  345.422274][ T7014] RSP: 002b:00007ffe3b39f1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  345.422300][ T7014] RAX: ffffffffffffffda RBX: 00007ffe3b39f240 RCX: 00007f04ff59038a
[  345.422318][ T7014] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffe3b39f200
[  345.422337][ T7014] RBP: 0000200000000180 R08: 00007ffe3b39f240 R09: 0000000000000000
[  345.422353][ T7014] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  345.422370][ T7014] R13: 00007ffe3b39f200 R14: 00000000000125b0 R15: 0000200000000080
[  345.422407][ T7014]  </TASK>
[  345.422477][ T7014] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  345.442223][ T7015] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  345.445362][ T7014] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  345.448307][ T7015] CPU: 0 UID: 0 PID: 7015 Comm: syz.3.297 Not tainted syzkaller #0 PREEMPT(full) 
[  345.448336][ T7015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  345.448351][ T7015] Call Trace:
[  345.448362][ T7015]  <TASK>
[  345.448373][ T7015]  dump_stack_lvl+0x189/0x250
[  345.448415][ T7015]  ? __pfx_dump_stack_lvl+0x10/0x10
[  345.448445][ T7015]  ? __pfx__printk+0x10/0x10
[  345.448490][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.448520][ T7015]  ? kernfs_path_from_node+0x250/0x290
[  345.448549][ T7015]  ? kernfs_path_from_node+0x2f/0x290
[  345.448581][ T7015]  sysfs_create_dir_ns+0x259/0x280
[  345.448613][ T7015]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  345.448642][ T7015]  ? do_raw_spin_unlock+0x122/0x240
[  345.448704][ T7015]  kobject_add_internal+0x59f/0xb40
[  345.448741][ T7015]  kobject_init_and_add+0x125/0x190
[  345.448774][ T7015]  ? __pfx_kobject_init_and_add+0x10/0x10
[  345.448800][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.448828][ T7015]  ? __raw_spin_lock_init+0x45/0x100
[  345.448859][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.448887][ T7015]  ? __init_swait_queue_head+0xa9/0x150
[  345.448923][ T7015]  gfs2_sys_fs_add+0x234/0x450
[  345.448954][ T7015]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  345.448992][ T7015]  ? is_dynamic_key+0xd6/0x1c0
[  345.449031][ T7015]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  345.449084][ T7015]  gfs2_fill_super+0x13c0/0x20d0
[  345.449141][ T7015]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.449172][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.449207][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.449234][ T7015]  ? sb_set_blocksize+0x104/0x180
[  345.449278][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.449305][ T7015]  ? setup_bdev_super+0x4c1/0x5b0
[  345.449348][ T7015]  get_tree_bdev_flags+0x40e/0x4d0
[  345.449382][ T7015]  ? __pfx_gfs2_fill_super+0x10/0x10
[  345.449415][ T7015]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  345.449453][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.449490][ T7015]  gfs2_get_tree+0x51/0x1e0
[  345.449527][ T7015]  vfs_get_tree+0x92/0x2b0
[  345.449564][ T7015]  do_new_mount+0x2a2/0x9e0
[  345.449608][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.449635][ T7015]  ? ns_capable+0x8a/0xf0
[  345.449665][ T7015]  ? __pfx_do_new_mount+0x10/0x10
[  345.449699][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.449727][ T7015]  ? path_mount+0x61c/0xfe0
[  345.449761][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.449802][ T7015]  __se_sys_mount+0x317/0x410
[  345.449847][ T7015]  ? __pfx___se_sys_mount+0x10/0x10
[  345.449882][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.449917][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.449945][ T7015]  ? __x64_sys_mount+0x20/0xc0
[  345.449984][ T7015]  do_syscall_64+0xfa/0x3b0
[  345.450007][ T7015]  ? lockdep_hardirqs_on+0x9c/0x150
[  345.450046][ T7015]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.450070][ T7015]  ? srso_alias_return_thunk+0x5/0xfbef5
[  345.450097][ T7015]  ? exc_page_fault+0x9f/0xf0
[  345.450135][ T7015]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  345.450159][ T7015] RIP: 0033:0x7f046ed9038a
[  345.450181][ T7015] 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
[  345.450201][ T7015] RSP: 002b:00007ffeee1e4d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  345.450227][ T7015] RAX: ffffffffffffffda RBX: 00007ffeee1e4dd0 RCX: 00007f046ed9038a
[  345.450245][ T7015] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffeee1e4d90
[  345.450263][ T7015] RBP: 0000200000000180 R08: 00007ffeee1e4dd0 R09: 0000000000000000
[  345.450281][ T7015] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  345.450297][ T7015] R13: 00007ffeee1e4d90 R14: 00000000000125b0 R15: 0000200000000080
[  345.450334][ T7015]  </TASK>
[  345.450363][ T7015] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  345.574287][  T844] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 867ms
[  345.578317][ T7015] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  346.382664][ T7014] loop1: detected capacity change from 0 to 2048
[  346.396605][  T844] gfs2: fsid=syz:syz.0: jid=0: Done
[  346.401869][ T7011] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  346.518686][ T7022] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  346.646003][ T7011] gfs2: fsid=syz:syz.0: found 1 quota changes
[  346.720744][ T7020] loop5: detected capacity change from 0 to 32768
[  346.749594][ T7020] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  346.757152][ T7020] CPU: 1 UID: 0 PID: 7020 Comm: syz.5.300 Not tainted syzkaller #0 PREEMPT(full) 
[  346.757182][ T7020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  346.757198][ T7020] Call Trace:
[  346.757209][ T7020]  <TASK>
[  346.757220][ T7020]  dump_stack_lvl+0x189/0x250
[  346.757264][ T7020]  ? __pfx_dump_stack_lvl+0x10/0x10
[  346.757296][ T7020]  ? __pfx__printk+0x10/0x10
[  346.757343][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.757376][ T7020]  ? kernfs_path_from_node+0x250/0x290
[  346.757407][ T7020]  ? kernfs_path_from_node+0x2f/0x290
[  346.757440][ T7020]  sysfs_create_dir_ns+0x259/0x280
[  346.757473][ T7020]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  346.757503][ T7020]  ? do_raw_spin_unlock+0x122/0x240
[  346.757544][ T7020]  kobject_add_internal+0x59f/0xb40
[  346.757583][ T7020]  kobject_init_and_add+0x125/0x190
[  346.757616][ T7020]  ? __pfx_kobject_init_and_add+0x10/0x10
[  346.757643][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.757693][ T7020]  ? __raw_spin_lock_init+0x45/0x100
[  346.757732][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.757760][ T7020]  ? __init_swait_queue_head+0xa9/0x150
[  346.757798][ T7020]  gfs2_sys_fs_add+0x234/0x450
[  346.757830][ T7020]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  346.757864][ T7020]  ? is_dynamic_key+0xd6/0x1c0
[  346.757916][ T7020]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  346.757973][ T7020]  gfs2_fill_super+0x13c0/0x20d0
[  346.758032][ T7020]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.758065][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.758100][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.758129][ T7020]  ? sb_set_blocksize+0x104/0x180
[  346.758175][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.758203][ T7020]  ? setup_bdev_super+0x4c1/0x5b0
[  346.758248][ T7020]  get_tree_bdev_flags+0x40e/0x4d0
[  346.758284][ T7020]  ? __pfx_gfs2_fill_super+0x10/0x10
[  346.758319][ T7020]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  346.758357][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.758395][ T7020]  gfs2_get_tree+0x51/0x1e0
[  346.758433][ T7020]  vfs_get_tree+0x92/0x2b0
[  346.758472][ T7020]  do_new_mount+0x2a2/0x9e0
[  346.758518][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.758546][ T7020]  ? ns_capable+0x8a/0xf0
[  346.758573][ T7020]  ? __pfx_do_new_mount+0x10/0x10
[  346.758608][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.758636][ T7020]  ? path_mount+0x61c/0xfe0
[  346.758670][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.758712][ T7020]  __se_sys_mount+0x317/0x410
[  346.758759][ T7020]  ? __pfx___se_sys_mount+0x10/0x10
[  346.758795][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.758832][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.758861][ T7020]  ? __x64_sys_mount+0x20/0xc0
[  346.758902][ T7020]  do_syscall_64+0xfa/0x3b0
[  346.758930][ T7020]  ? lockdep_hardirqs_on+0x9c/0x150
[  346.758972][ T7020]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.758996][ T7020]  ? srso_alias_return_thunk+0x5/0xfbef5
[  346.759025][ T7020]  ? exc_page_fault+0x9f/0xf0
[  346.759063][ T7020]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  346.759088][ T7020] RIP: 0033:0x7f956739038a
[  346.759111][ T7020] 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
[  346.759133][ T7020] RSP: 002b:00007fffba956298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  346.759161][ T7020] RAX: ffffffffffffffda RBX: 00007fffba956320 RCX: 00007f956739038a
[  346.759180][ T7020] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007fffba9562e0
[  346.759203][ T7020] RBP: 0000200000000180 R08: 00007fffba956320 R09: 0000000000000000
[  346.759221][ T7020] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  346.759237][ T7020] R13: 00007fffba9562e0 R14: 00000000000125b0 R15: 0000200000000080
[  346.759276][ T7020]  </TASK>
[  346.759353][ T7020] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.148169][ T7020] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.605951][ T7010] NILFS (loop4): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  347.670913][ T7010] NILFS error (device loop4): nilfs_bmap_propagate: broken bmap (inode number=4)
[  347.725177][ T7010] Remounting filesystem read-only
[  347.862549][ T5988] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  348.159389][ T7026] loop0: detected capacity change from 0 to 32768
[  348.289665][ T7027] loop3: detected capacity change from 0 to 32768
[  348.325529][ T7026] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  348.332998][ T7026] CPU: 1 UID: 0 PID: 7026 Comm: syz.0.298 Not tainted syzkaller #0 PREEMPT(full) 
[  348.333027][ T7026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  348.333044][ T7026] Call Trace:
[  348.333055][ T7026]  <TASK>
[  348.333065][ T7026]  dump_stack_lvl+0x189/0x250
[  348.333109][ T7026]  ? __pfx_dump_stack_lvl+0x10/0x10
[  348.333140][ T7026]  ? __pfx__printk+0x10/0x10
[  348.333185][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.333218][ T7026]  ? kernfs_path_from_node+0x250/0x290
[  348.333248][ T7026]  ? kernfs_path_from_node+0x2f/0x290
[  348.333281][ T7026]  sysfs_create_dir_ns+0x259/0x280
[  348.333313][ T7026]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  348.333344][ T7026]  ? do_raw_spin_unlock+0x122/0x240
[  348.333383][ T7026]  kobject_add_internal+0x59f/0xb40
[  348.333422][ T7026]  kobject_init_and_add+0x125/0x190
[  348.333455][ T7026]  ? __pfx_kobject_init_and_add+0x10/0x10
[  348.333481][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.333510][ T7026]  ? __raw_spin_lock_init+0x45/0x100
[  348.333542][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.333570][ T7026]  ? __init_swait_queue_head+0xa9/0x150
[  348.333609][ T7026]  gfs2_sys_fs_add+0x234/0x450
[  348.333641][ T7026]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  348.333689][ T7026]  ? is_dynamic_key+0xd6/0x1c0
[  348.333729][ T7026]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  348.333783][ T7026]  gfs2_fill_super+0x13c0/0x20d0
[  348.333842][ T7026]  ? __pfx_gfs2_fill_super+0x10/0x10
[  348.333873][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.333908][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.333936][ T7026]  ? sb_set_blocksize+0x104/0x180
[  348.333981][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.334009][ T7026]  ? setup_bdev_super+0x4c1/0x5b0
[  348.334053][ T7026]  get_tree_bdev_flags+0x40e/0x4d0
[  348.334088][ T7026]  ? __pfx_gfs2_fill_super+0x10/0x10
[  348.334124][ T7026]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  348.334163][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.334200][ T7026]  gfs2_get_tree+0x51/0x1e0
[  348.334238][ T7026]  vfs_get_tree+0x92/0x2b0
[  348.334276][ T7026]  do_new_mount+0x2a2/0x9e0
[  348.334322][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.334350][ T7026]  ? ns_capable+0x8a/0xf0
[  348.334376][ T7026]  ? __pfx_do_new_mount+0x10/0x10
[  348.334412][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.334440][ T7026]  ? path_mount+0x61c/0xfe0
[  348.334474][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.334516][ T7026]  __se_sys_mount+0x317/0x410
[  348.334562][ T7026]  ? __pfx___se_sys_mount+0x10/0x10
[  348.334597][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.334634][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.334669][ T7026]  ? __x64_sys_mount+0x20/0xc0
[  348.334710][ T7026]  do_syscall_64+0xfa/0x3b0
[  348.334738][ T7026]  ? lockdep_hardirqs_on+0x9c/0x150
[  348.334780][ T7026]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  348.334804][ T7026]  ? srso_alias_return_thunk+0x5/0xfbef5
[  348.334832][ T7026]  ? exc_page_fault+0x9f/0xf0
[  348.334870][ T7026]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  348.334895][ T7026] RIP: 0033:0x7f0f2b19038a
[  348.334918][ T7026] 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
[  348.334939][ T7026] RSP: 002b:00007ffde4425c08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  348.334965][ T7026] RAX: ffffffffffffffda RBX: 00007ffde4425c90 RCX: 00007f0f2b19038a
[  348.334984][ T7026] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffde4425c50
[  348.335002][ T7026] RBP: 0000200000000180 R08: 00007ffde4425c90 R09: 0000000000000000
[  348.335020][ T7026] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  348.335036][ T7026] R13: 00007ffde4425c50 R14: 00000000000125b0 R15: 0000200000000080
[  348.335075][ T7026]  </TASK>
[  348.703137][ T7026] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  348.717332][ T7026] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  349.454242][ T7033] loop5: detected capacity change from 0 to 32768
[  349.561180][ T7027] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.571744][ T7027] CPU: 0 UID: 0 PID: 7027 Comm: syz.3.301 Not tainted syzkaller #0 PREEMPT(full) 
[  349.571777][ T7027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  349.571793][ T7027] Call Trace:
[  349.571804][ T7027]  <TASK>
[  349.571814][ T7027]  dump_stack_lvl+0x189/0x250
[  349.571859][ T7027]  ? __pfx_dump_stack_lvl+0x10/0x10
[  349.571890][ T7027]  ? __pfx__printk+0x10/0x10
[  349.571943][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.571975][ T7027]  ? kernfs_path_from_node+0x250/0x290
[  349.572006][ T7027]  ? kernfs_path_from_node+0x2f/0x290
[  349.572039][ T7027]  sysfs_create_dir_ns+0x259/0x280
[  349.572071][ T7027]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  349.572102][ T7027]  ? do_raw_spin_unlock+0x122/0x240
[  349.572141][ T7027]  kobject_add_internal+0x59f/0xb40
[  349.572180][ T7027]  kobject_init_and_add+0x125/0x190
[  349.572219][ T7027]  ? __pfx_kobject_init_and_add+0x10/0x10
[  349.572251][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.572284][ T7027]  ? __raw_spin_lock_init+0x45/0x100
[  349.572318][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.572347][ T7027]  ? __init_swait_queue_head+0xa9/0x150
[  349.572384][ T7027]  gfs2_sys_fs_add+0x234/0x450
[  349.572416][ T7027]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  349.572451][ T7027]  ? is_dynamic_key+0xd6/0x1c0
[  349.572490][ T7027]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  349.572545][ T7027]  gfs2_fill_super+0x13c0/0x20d0
[  349.572604][ T7027]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.572635][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.572670][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.572699][ T7027]  ? sb_set_blocksize+0x104/0x180
[  349.572744][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.572771][ T7027]  ? setup_bdev_super+0x4c1/0x5b0
[  349.572814][ T7027]  get_tree_bdev_flags+0x40e/0x4d0
[  349.572849][ T7027]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.572884][ T7027]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  349.572934][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.572972][ T7027]  gfs2_get_tree+0x51/0x1e0
[  349.573010][ T7027]  vfs_get_tree+0x92/0x2b0
[  349.573048][ T7027]  do_new_mount+0x2a2/0x9e0
[  349.573094][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.573122][ T7027]  ? ns_capable+0x8a/0xf0
[  349.573149][ T7027]  ? __pfx_do_new_mount+0x10/0x10
[  349.573185][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.573212][ T7027]  ? path_mount+0x61c/0xfe0
[  349.573247][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.573290][ T7027]  __se_sys_mount+0x317/0x410
[  349.573336][ T7027]  ? __pfx___se_sys_mount+0x10/0x10
[  349.573372][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.573409][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.573437][ T7027]  ? __x64_sys_mount+0x20/0xc0
[  349.573478][ T7027]  do_syscall_64+0xfa/0x3b0
[  349.573502][ T7027]  ? lockdep_hardirqs_on+0x9c/0x150
[  349.573542][ T7027]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.573567][ T7027]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.573595][ T7027]  ? exc_page_fault+0x9f/0xf0
[  349.573634][ T7027]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.573658][ T7027] RIP: 0033:0x7f046ed9038a
[  349.573681][ T7027] 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
[  349.573703][ T7027] RSP: 002b:00007ffeee1e4d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.573731][ T7027] RAX: ffffffffffffffda RBX: 00007ffeee1e4dd0 RCX: 00007f046ed9038a
[  349.573751][ T7027] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffeee1e4d90
[  349.573770][ T7027] RBP: 0000200000000180 R08: 00007ffeee1e4dd0 R09: 0000000000000000
[  349.573789][ T7027] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  349.573806][ T7027] R13: 00007ffeee1e4d90 R14: 00000000000125b0 R15: 0000200000000080
[  349.573844][ T7027]  </TASK>
[  349.573874][ T7027] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  349.860415][ T7033] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.864834][ T7027] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  349.869691][ T7033] CPU: 1 UID: 0 PID: 7033 Comm: syz.5.304 Not tainted syzkaller #0 PREEMPT(full) 
[  349.869721][ T7033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  349.869738][ T7033] Call Trace:
[  349.869748][ T7033]  <TASK>
[  349.869759][ T7033]  dump_stack_lvl+0x189/0x250
[  349.869802][ T7033]  ? __pfx_dump_stack_lvl+0x10/0x10
[  349.869833][ T7033]  ? __pfx__printk+0x10/0x10
[  349.869878][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.869910][ T7033]  ? kernfs_path_from_node+0x250/0x290
[  349.869939][ T7033]  ? kernfs_path_from_node+0x2f/0x290
[  349.869971][ T7033]  sysfs_create_dir_ns+0x259/0x280
[  349.870003][ T7033]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  349.870033][ T7033]  ? do_raw_spin_unlock+0x122/0x240
[  349.870072][ T7033]  kobject_add_internal+0x59f/0xb40
[  349.870110][ T7033]  kobject_init_and_add+0x125/0x190
[  349.870143][ T7033]  ? __pfx_kobject_init_and_add+0x10/0x10
[  349.870169][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.870196][ T7033]  ? __raw_spin_lock_init+0x45/0x100
[  349.870228][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.870256][ T7033]  ? __init_swait_queue_head+0xa9/0x150
[  349.870293][ T7033]  gfs2_sys_fs_add+0x234/0x450
[  349.870324][ T7033]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  349.870358][ T7033]  ? is_dynamic_key+0xd6/0x1c0
[  349.870397][ T7033]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  349.870452][ T7033]  gfs2_fill_super+0x13c0/0x20d0
[  349.870510][ T7033]  ? __pfx_gfs2_fill_super+0x10/0x10
[  349.870541][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.870575][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.870603][ T7033]  ? sb_set_blocksize+0x104/0x180
[  349.870653][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.870681][ T7033]  ? setup_bdev_super+0x4c1/0x5b0
[  349.870724][ T7033]  get_tree_bdev_flags+0x40e/0x4d0
[  349.870758][ T7033]  ? __pfx_gfs2_fill_super+0x10/0x10
2025/09/02 05:08:17 executed programs: 300
[  349.870792][ T7033]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  349.870830][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.870867][ T7033]  gfs2_get_tree+0x51/0x1e0
[  349.870903][ T7033]  vfs_get_tree+0x92/0x2b0
[  349.870941][ T7033]  do_new_mount+0x2a2/0x9e0
[  349.870986][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.871013][ T7033]  ? ns_capable+0x8a/0xf0
[  349.871039][ T7033]  ? __pfx_do_new_mount+0x10/0x10
[  349.871073][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.871101][ T7033]  ? path_mount+0x61c/0xfe0
[  349.871134][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.871176][ T7033]  __se_sys_mount+0x317/0x410
[  349.871220][ T7033]  ? __pfx___se_sys_mount+0x10/0x10
[  349.871255][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.871292][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.871319][ T7033]  ? __x64_sys_mount+0x20/0xc0
[  349.871359][ T7033]  do_syscall_64+0xfa/0x3b0
[  349.871381][ T7033]  ? lockdep_hardirqs_on+0x9c/0x150
[  349.871422][ T7033]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.871445][ T7033]  ? srso_alias_return_thunk+0x5/0xfbef5
[  349.871472][ T7033]  ? exc_page_fault+0x9f/0xf0
[  349.871509][ T7033]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  349.871533][ T7033] RIP: 0033:0x7f956739038a
[  349.871556][ T7033] 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
[  349.871577][ T7033] RSP: 002b:00007fffba956298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.871602][ T7033] RAX: ffffffffffffffda RBX: 00007fffba956320 RCX: 00007f956739038a
[  349.871622][ T7033] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007fffba9562e0
[  349.871641][ T7033] RBP: 0000200000000180 R08: 00007fffba956320 R09: 0000000000000000
[  349.871663][ T7033] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  349.871680][ T7033] R13: 00007fffba9562e0 R14: 00000000000125b0 R15: 0000200000000080
[  349.871718][ T7033]  </TASK>
[  349.871750][ T7033] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.385305][ T7033] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.541051][ T7033] loop5: detected capacity change from 0 to 2048
[  350.636919][ T7036] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  351.267298][ T7037] loop2: detected capacity change from 0 to 32768
[  351.307717][ T7037] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  351.316051][ T7037] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  351.452731][ T7022] NILFS (loop1): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  351.468811][ T7037] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[  351.479078][ T6102] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  351.505501][ T6102] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  351.557779][ T7022] NILFS error (device loop1): nilfs_bmap_propagate: broken bmap (inode number=4)
[  351.721605][ T7022] Remounting filesystem read-only
[  351.812882][ T5975] NILFS (loop1): disposed unprocessed dirty file(s) when stopping log writer
[  352.063356][ T7040] loop4: detected capacity change from 0 to 32768
[  352.167674][ T7040] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  352.175360][ T7040] CPU: 1 UID: 0 PID: 7040 Comm: syz.4.305 Not tainted syzkaller #0 PREEMPT(full) 
[  352.175396][ T7040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  352.175413][ T7040] Call Trace:
[  352.175425][ T7040]  <TASK>
[  352.175436][ T7040]  dump_stack_lvl+0x189/0x250
[  352.175482][ T7040]  ? __pfx_dump_stack_lvl+0x10/0x10
[  352.175514][ T7040]  ? __pfx__printk+0x10/0x10
[  352.175562][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.175595][ T7040]  ? kernfs_path_from_node+0x250/0x290
[  352.175627][ T7040]  ? kernfs_path_from_node+0x2f/0x290
[  352.175826][ T7040]  sysfs_create_dir_ns+0x259/0x280
[  352.175878][ T7040]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  352.175909][ T7040]  ? do_raw_spin_unlock+0x122/0x240
[  352.175948][ T7040]  kobject_add_internal+0x59f/0xb40
[  352.175985][ T7040]  kobject_init_and_add+0x125/0x190
[  352.176016][ T7040]  ? __pfx_kobject_init_and_add+0x10/0x10
[  352.176051][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.176083][ T7040]  ? __raw_spin_lock_init+0x45/0x100
[  352.176118][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.176146][ T7040]  ? __init_swait_queue_head+0xa9/0x150
[  352.176184][ T7040]  gfs2_sys_fs_add+0x234/0x450
[  352.176216][ T7040]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  352.176251][ T7040]  ? is_dynamic_key+0xd6/0x1c0
[  352.176292][ T7040]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  352.176349][ T7040]  gfs2_fill_super+0x13c0/0x20d0
[  352.176409][ T7040]  ? __pfx_gfs2_fill_super+0x10/0x10
[  352.176442][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.176478][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.176506][ T7040]  ? sb_set_blocksize+0x104/0x180
[  352.176553][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.176582][ T7040]  ? setup_bdev_super+0x4c1/0x5b0
[  352.176627][ T7040]  get_tree_bdev_flags+0x40e/0x4d0
[  352.176677][ T7040]  ? __pfx_gfs2_fill_super+0x10/0x10
[  352.176712][ T7040]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  352.176751][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.176790][ T7040]  gfs2_get_tree+0x51/0x1e0
[  352.176828][ T7040]  vfs_get_tree+0x92/0x2b0
[  352.176867][ T7040]  do_new_mount+0x2a2/0x9e0
[  352.176914][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.176942][ T7040]  ? ns_capable+0x8a/0xf0
[  352.176969][ T7040]  ? __pfx_do_new_mount+0x10/0x10
[  352.177005][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.177033][ T7040]  ? path_mount+0x61c/0xfe0
[  352.177069][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.177111][ T7040]  __se_sys_mount+0x317/0x410
[  352.177159][ T7040]  ? __pfx___se_sys_mount+0x10/0x10
[  352.177196][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.177233][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.177262][ T7040]  ? __x64_sys_mount+0x20/0xc0
[  352.177303][ T7040]  do_syscall_64+0xfa/0x3b0
[  352.177328][ T7040]  ? lockdep_hardirqs_on+0x9c/0x150
[  352.177370][ T7040]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.177394][ T7040]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.177422][ T7040]  ? exc_page_fault+0x9f/0xf0
[  352.177460][ T7040]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.177485][ T7040] RIP: 0033:0x7fea0ab9038a
[  352.177511][ T7040] 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
[  352.177533][ T7040] RSP: 002b:00007ffda8c22488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  352.177561][ T7040] RAX: ffffffffffffffda RBX: 00007ffda8c22510 RCX: 00007fea0ab9038a
[  352.177581][ T7040] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffda8c224d0
[  352.177600][ T7040] RBP: 0000200000000180 R08: 00007ffda8c22510 R09: 0000000000000000
[  352.177618][ T7040] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  352.177636][ T7040] R13: 00007ffda8c224d0 R14: 00000000000125b0 R15: 0000200000000080
[  352.177684][ T7040]  </TASK>
[  352.177724][ T7040] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  352.243344][ T7041] loop0: detected capacity change from 0 to 32768
[  352.247088][ T7040] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  352.384239][ T7041] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  352.593729][ T7041] CPU: 0 UID: 0 PID: 7041 Comm: syz.0.306 Not tainted syzkaller #0 PREEMPT(full) 
[  352.593762][ T7041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  352.593778][ T7041] Call Trace:
[  352.593789][ T7041]  <TASK>
[  352.593800][ T7041]  dump_stack_lvl+0x189/0x250
[  352.593843][ T7041]  ? __pfx_dump_stack_lvl+0x10/0x10
[  352.593874][ T7041]  ? __pfx__printk+0x10/0x10
[  352.593930][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.593961][ T7041]  ? kernfs_path_from_node+0x250/0x290
[  352.593991][ T7041]  ? kernfs_path_from_node+0x2f/0x290
[  352.594023][ T7041]  sysfs_create_dir_ns+0x259/0x280
[  352.594056][ T7041]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  352.594086][ T7041]  ? do_raw_spin_unlock+0x122/0x240
[  352.594125][ T7041]  kobject_add_internal+0x59f/0xb40
[  352.594164][ T7041]  kobject_init_and_add+0x125/0x190
[  352.594196][ T7041]  ? __pfx_kobject_init_and_add+0x10/0x10
[  352.594223][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.594251][ T7041]  ? __raw_spin_lock_init+0x45/0x100
[  352.594283][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.594311][ T7041]  ? __init_swait_queue_head+0xa9/0x150
[  352.594349][ T7041]  gfs2_sys_fs_add+0x234/0x450
[  352.594381][ T7041]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  352.594415][ T7041]  ? is_dynamic_key+0xd6/0x1c0
[  352.594456][ T7041]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  352.594510][ T7041]  gfs2_fill_super+0x13c0/0x20d0
[  352.594569][ T7041]  ? __pfx_gfs2_fill_super+0x10/0x10
[  352.594601][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.594635][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.594662][ T7041]  ? sb_set_blocksize+0x104/0x180
[  352.594707][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.594735][ T7041]  ? setup_bdev_super+0x4c1/0x5b0
[  352.594778][ T7041]  get_tree_bdev_flags+0x40e/0x4d0
[  352.594813][ T7041]  ? __pfx_gfs2_fill_super+0x10/0x10
[  352.594848][ T7041]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  352.594885][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.594926][ T7041]  gfs2_get_tree+0x51/0x1e0
[  352.594964][ T7041]  vfs_get_tree+0x92/0x2b0
[  352.595002][ T7041]  do_new_mount+0x2a2/0x9e0
[  352.595049][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.595076][ T7041]  ? ns_capable+0x8a/0xf0
[  352.595106][ T7041]  ? __pfx_do_new_mount+0x10/0x10
[  352.595140][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.595164][ T7041]  ? path_mount+0x61c/0xfe0
[  352.595196][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.595236][ T7041]  __se_sys_mount+0x317/0x410
[  352.595282][ T7041]  ? __pfx___se_sys_mount+0x10/0x10
[  352.595317][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.595353][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.595381][ T7041]  ? __x64_sys_mount+0x20/0xc0
[  352.595421][ T7041]  do_syscall_64+0xfa/0x3b0
[  352.595445][ T7041]  ? lockdep_hardirqs_on+0x9c/0x150
[  352.595485][ T7041]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.595509][ T7041]  ? srso_alias_return_thunk+0x5/0xfbef5
[  352.595536][ T7041]  ? exc_page_fault+0x9f/0xf0
[  352.595575][ T7041]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  352.595599][ T7041] RIP: 0033:0x7f0f2b19038a
[  352.595622][ T7041] 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
[  352.595643][ T7041] RSP: 002b:00007ffde4425c08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  352.595669][ T7041] RAX: ffffffffffffffda RBX: 00007ffde4425c90 RCX: 00007f0f2b19038a
[  352.595688][ T7041] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffde4425c50
[  352.595706][ T7041] RBP: 0000200000000180 R08: 00007ffde4425c90 R09: 0000000000000000
[  352.595724][ T7041] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  352.595741][ T7041] R13: 00007ffde4425c50 R14: 00000000000125b0 R15: 0000200000000080
[  352.595779][ T7041]  </TASK>
[  352.841243][ T7044] loop3: detected capacity change from 0 to 32768
[  352.847828][ T7041] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  352.991122][ T7041] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  353.335695][ T7044] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  353.343132][ T7044] CPU: 1 UID: 0 PID: 7044 Comm: syz.3.307 Not tainted syzkaller #0 PREEMPT(full) 
[  353.343162][ T7044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  353.343179][ T7044] Call Trace:
[  353.343189][ T7044]  <TASK>
[  353.343200][ T7044]  dump_stack_lvl+0x189/0x250
[  353.343242][ T7044]  ? __pfx_dump_stack_lvl+0x10/0x10
[  353.343273][ T7044]  ? __pfx__printk+0x10/0x10
[  353.343318][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.343349][ T7044]  ? kernfs_path_from_node+0x250/0x290
[  353.343378][ T7044]  ? kernfs_path_from_node+0x2f/0x290
[  353.343410][ T7044]  sysfs_create_dir_ns+0x259/0x280
[  353.343442][ T7044]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  353.343471][ T7044]  ? do_raw_spin_unlock+0x122/0x240
[  353.343511][ T7044]  kobject_add_internal+0x59f/0xb40
[  353.343549][ T7044]  kobject_init_and_add+0x125/0x190
[  353.343581][ T7044]  ? __pfx_kobject_init_and_add+0x10/0x10
[  353.343607][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.343635][ T7044]  ? __raw_spin_lock_init+0x45/0x100
[  353.343670][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.343698][ T7044]  ? __init_swait_queue_head+0xa9/0x150
[  353.343735][ T7044]  gfs2_sys_fs_add+0x234/0x450
[  353.343766][ T7044]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  353.343799][ T7044]  ? is_dynamic_key+0xd6/0x1c0
[  353.343839][ T7044]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  353.343892][ T7044]  gfs2_fill_super+0x13c0/0x20d0
[  353.343949][ T7044]  ? __pfx_gfs2_fill_super+0x10/0x10
[  353.343980][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344014][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344042][ T7044]  ? sb_set_blocksize+0x104/0x180
[  353.344086][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344113][ T7044]  ? setup_bdev_super+0x4c1/0x5b0
[  353.344156][ T7044]  get_tree_bdev_flags+0x40e/0x4d0
[  353.344191][ T7044]  ? __pfx_gfs2_fill_super+0x10/0x10
[  353.344225][ T7044]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  353.344262][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344299][ T7044]  gfs2_get_tree+0x51/0x1e0
[  353.344336][ T7044]  vfs_get_tree+0x92/0x2b0
[  353.344373][ T7044]  do_new_mount+0x2a2/0x9e0
[  353.344418][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344446][ T7044]  ? ns_capable+0x8a/0xf0
[  353.344471][ T7044]  ? __pfx_do_new_mount+0x10/0x10
[  353.344504][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344532][ T7044]  ? path_mount+0x61c/0xfe0
[  353.344565][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344606][ T7044]  __se_sys_mount+0x317/0x410
[  353.344659][ T7044]  ? __pfx___se_sys_mount+0x10/0x10
[  353.344693][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344729][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344756][ T7044]  ? __x64_sys_mount+0x20/0xc0
[  353.344796][ T7044]  do_syscall_64+0xfa/0x3b0
[  353.344818][ T7044]  ? lockdep_hardirqs_on+0x9c/0x150
[  353.344857][ T7044]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  353.344881][ T7044]  ? srso_alias_return_thunk+0x5/0xfbef5
[  353.344908][ T7044]  ? exc_page_fault+0x9f/0xf0
[  353.344946][ T7044]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  353.344970][ T7044] RIP: 0033:0x7f046ed9038a
[  353.344992][ T7044] 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
[  353.345013][ T7044] RSP: 002b:00007ffeee1e4d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  353.345039][ T7044] RAX: ffffffffffffffda RBX: 00007ffeee1e4dd0 RCX: 00007f046ed9038a
[  353.345058][ T7044] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffeee1e4d90
[  353.345076][ T7044] RBP: 0000200000000180 R08: 00007ffeee1e4dd0 R09: 0000000000000000
[  353.345097][ T7044] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  353.345115][ T7044] R13: 00007ffeee1e4d90 R14: 00000000000125b0 R15: 0000200000000080
[  353.345152][ T7044]  </TASK>
[  353.713640][ T7044] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  353.727615][ T7044] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  353.741081][ T7041] loop0: detected capacity change from 0 to 2048
[  353.988678][ T6102] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 2483ms
[  353.996549][ T6102] gfs2: fsid=syz:syz.0: jid=0: Done
[  354.155196][ T7037] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  354.546131][ T7037] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[  354.578958][ T7051] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  355.250484][ T7036] NILFS (loop5): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  355.400124][ T7036] NILFS error (device loop5): nilfs_bmap_propagate: broken bmap (inode number=4)
[  355.545692][ T7036] Remounting filesystem read-only
2025/09/02 05:08:22 executed programs: 310
[  355.600179][ T5985] NILFS (loop5): disposed unprocessed dirty file(s) when stopping log writer
[  356.361148][ T7054] loop1: detected capacity change from 0 to 32768
[  356.477322][ T7054] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  356.485659][ T7054] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  356.504199][ T7054] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[  356.516398][  T844] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  356.523178][  T844] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  356.638769][ T7055] loop5: detected capacity change from 0 to 2048
[  356.952492][ T7057] loop4: detected capacity change from 0 to 32768
[  357.019710][ T7061] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  357.048876][ T7057] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  357.058617][ T7057] CPU: 0 UID: 0 PID: 7057 Comm: syz.4.313 Not tainted syzkaller #0 PREEMPT(full) 
[  357.058647][ T7057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  357.058664][ T7057] Call Trace:
[  357.058675][ T7057]  <TASK>
[  357.058686][ T7057]  dump_stack_lvl+0x189/0x250
[  357.058729][ T7057]  ? __pfx_dump_stack_lvl+0x10/0x10
[  357.058760][ T7057]  ? __pfx__printk+0x10/0x10
[  357.058805][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.058837][ T7057]  ? kernfs_path_from_node+0x250/0x290
[  357.058867][ T7057]  ? kernfs_path_from_node+0x2f/0x290
[  357.058904][ T7057]  sysfs_create_dir_ns+0x259/0x280
[  357.058935][ T7057]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  357.058963][ T7057]  ? do_raw_spin_unlock+0x122/0x240
[  357.059003][ T7057]  kobject_add_internal+0x59f/0xb40
[  357.059041][ T7057]  kobject_init_and_add+0x125/0x190
[  357.059073][ T7057]  ? __pfx_kobject_init_and_add+0x10/0x10
[  357.059099][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.059128][ T7057]  ? __raw_spin_lock_init+0x45/0x100
[  357.059159][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.059187][ T7057]  ? __init_swait_queue_head+0xa9/0x150
[  357.059224][ T7057]  gfs2_sys_fs_add+0x234/0x450
[  357.059255][ T7057]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  357.059289][ T7057]  ? is_dynamic_key+0xd6/0x1c0
[  357.059328][ T7057]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  357.059382][ T7057]  gfs2_fill_super+0x13c0/0x20d0
[  357.059439][ T7057]  ? __pfx_gfs2_fill_super+0x10/0x10
[  357.059471][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.059505][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.059533][ T7057]  ? sb_set_blocksize+0x104/0x180
[  357.059578][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.059606][ T7057]  ? setup_bdev_super+0x4c1/0x5b0
[  357.059648][ T7057]  get_tree_bdev_flags+0x40e/0x4d0
[  357.059683][ T7057]  ? __pfx_gfs2_fill_super+0x10/0x10
[  357.059716][ T7057]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  357.059755][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.059791][ T7057]  gfs2_get_tree+0x51/0x1e0
[  357.059829][ T7057]  vfs_get_tree+0x92/0x2b0
[  357.059867][ T7057]  do_new_mount+0x2a2/0x9e0
[  357.059917][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.059945][ T7057]  ? ns_capable+0x8a/0xf0
[  357.059971][ T7057]  ? __pfx_do_new_mount+0x10/0x10
[  357.060006][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.060034][ T7057]  ? path_mount+0x61c/0xfe0
[  357.060068][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.060111][ T7057]  __se_sys_mount+0x317/0x410
[  357.060156][ T7057]  ? __pfx___se_sys_mount+0x10/0x10
[  357.060192][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.060228][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.060256][ T7057]  ? __x64_sys_mount+0x20/0xc0
[  357.060297][ T7057]  do_syscall_64+0xfa/0x3b0
[  357.060320][ T7057]  ? lockdep_hardirqs_on+0x9c/0x150
[  357.060360][ T7057]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  357.060385][ T7057]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.060413][ T7057]  ? exc_page_fault+0x9f/0xf0
[  357.060450][ T7057]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  357.060475][ T7057] RIP: 0033:0x7fea0ab9038a
[  357.060498][ T7057] 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
[  357.060519][ T7057] RSP: 002b:00007ffda8c22488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  357.060546][ T7057] RAX: ffffffffffffffda RBX: 00007ffda8c22510 RCX: 00007fea0ab9038a
[  357.060566][ T7057] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffda8c224d0
[  357.060584][ T7057] RBP: 0000200000000180 R08: 00007ffda8c22510 R09: 0000000000000000
[  357.060603][ T7057] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  357.060620][ T7057] R13: 00007ffda8c224d0 R14: 00000000000125b0 R15: 0000200000000080
[  357.060658][ T7057]  </TASK>
[  357.060686][ T7057] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  357.062255][ T7059] loop3: detected capacity change from 0 to 32768
[  357.070085][ T7057] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  357.221096][ T7057] loop4: detected capacity change from 0 to 2048
[  357.486609][ T7059] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  357.494056][ T7059] CPU: 1 UID: 0 PID: 7059 Comm: syz.3.311 Not tainted syzkaller #0 PREEMPT(full) 
[  357.494086][ T7059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  357.494102][ T7059] Call Trace:
[  357.494111][ T7059]  <TASK>
[  357.494122][ T7059]  dump_stack_lvl+0x189/0x250
[  357.494165][ T7059]  ? __pfx_dump_stack_lvl+0x10/0x10
[  357.494195][ T7059]  ? __pfx__printk+0x10/0x10
[  357.494240][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.494272][ T7059]  ? kernfs_path_from_node+0x250/0x290
[  357.494300][ T7059]  ? kernfs_path_from_node+0x2f/0x290
[  357.494332][ T7059]  sysfs_create_dir_ns+0x259/0x280
[  357.494364][ T7059]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  357.494393][ T7059]  ? do_raw_spin_unlock+0x122/0x240
[  357.494432][ T7059]  kobject_add_internal+0x59f/0xb40
[  357.494470][ T7059]  kobject_init_and_add+0x125/0x190
[  357.494502][ T7059]  ? __pfx_kobject_init_and_add+0x10/0x10
[  357.494528][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.494555][ T7059]  ? __raw_spin_lock_init+0x45/0x100
[  357.494588][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.494616][ T7059]  ? __init_swait_queue_head+0xa9/0x150
[  357.494653][ T7059]  gfs2_sys_fs_add+0x234/0x450
[  357.494691][ T7059]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  357.494725][ T7059]  ? is_dynamic_key+0xd6/0x1c0
[  357.494765][ T7059]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  357.494818][ T7059]  gfs2_fill_super+0x13c0/0x20d0
[  357.494874][ T7059]  ? __pfx_gfs2_fill_super+0x10/0x10
[  357.494905][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.494940][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.494967][ T7059]  ? sb_set_blocksize+0x104/0x180
[  357.495010][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.495038][ T7059]  ? setup_bdev_super+0x4c1/0x5b0
[  357.495080][ T7059]  get_tree_bdev_flags+0x40e/0x4d0
[  357.495119][ T7059]  ? __pfx_gfs2_fill_super+0x10/0x10
[  357.495154][ T7059]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  357.495191][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.495228][ T7059]  gfs2_get_tree+0x51/0x1e0
[  357.495265][ T7059]  vfs_get_tree+0x92/0x2b0
[  357.495303][ T7059]  do_new_mount+0x2a2/0x9e0
[  357.495347][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.495375][ T7059]  ? ns_capable+0x8a/0xf0
[  357.495399][ T7059]  ? __pfx_do_new_mount+0x10/0x10
[  357.495434][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.495461][ T7059]  ? path_mount+0x61c/0xfe0
[  357.495494][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.495536][ T7059]  __se_sys_mount+0x317/0x410
[  357.495581][ T7059]  ? __pfx___se_sys_mount+0x10/0x10
[  357.495616][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.495652][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.495690][ T7059]  ? __x64_sys_mount+0x20/0xc0
[  357.495730][ T7059]  do_syscall_64+0xfa/0x3b0
[  357.495753][ T7059]  ? lockdep_hardirqs_on+0x9c/0x150
[  357.495792][ T7059]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  357.495815][ T7059]  ? srso_alias_return_thunk+0x5/0xfbef5
[  357.495843][ T7059]  ? exc_page_fault+0x9f/0xf0
[  357.495881][ T7059]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  357.495905][ T7059] RIP: 0033:0x7f046ed9038a
[  357.495927][ T7059] 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
[  357.495949][ T7059] RSP: 002b:00007ffeee1e4d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  357.495976][ T7059] RAX: ffffffffffffffda RBX: 00007ffeee1e4dd0 RCX: 00007f046ed9038a
[  357.495996][ T7059] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffeee1e4d90
[  357.496014][ T7059] RBP: 0000200000000180 R08: 00007ffeee1e4dd0 R09: 0000000000000000
[  357.496033][ T7059] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  357.496050][ T7059] R13: 00007ffeee1e4d90 R14: 00000000000125b0 R15: 0000200000000080
[  357.496088][ T7059]  </TASK>
[  357.527647][ T7065] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  357.534730][ T7059] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  357.897958][ T7059] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  358.518514][ T7066] loop2: detected capacity change from 0 to 32768
[  358.576034][ T7066] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  358.583439][ T7066] CPU: 0 UID: 0 PID: 7066 Comm: syz.2.315 Not tainted syzkaller #0 PREEMPT(full) 
[  358.583468][ T7066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  358.583485][ T7066] Call Trace:
[  358.583496][ T7066]  <TASK>
[  358.583507][ T7066]  dump_stack_lvl+0x189/0x250
[  358.583549][ T7066]  ? __pfx_dump_stack_lvl+0x10/0x10
[  358.583580][ T7066]  ? __pfx__printk+0x10/0x10
[  358.583627][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.583660][ T7066]  ? kernfs_path_from_node+0x250/0x290
[  358.583696][ T7066]  ? kernfs_path_from_node+0x2f/0x290
[  358.583730][ T7066]  sysfs_create_dir_ns+0x259/0x280
[  358.583763][ T7066]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  358.583794][ T7066]  ? do_raw_spin_unlock+0x122/0x240
[  358.583836][ T7066]  kobject_add_internal+0x59f/0xb40
[  358.583875][ T7066]  kobject_init_and_add+0x125/0x190
[  358.583909][ T7066]  ? __pfx_kobject_init_and_add+0x10/0x10
[  358.583936][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.583964][ T7066]  ? __raw_spin_lock_init+0x45/0x100
[  358.583997][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.584027][ T7066]  ? __init_swait_queue_head+0xa9/0x150
[  358.584066][ T7066]  gfs2_sys_fs_add+0x234/0x450
[  358.584098][ T7066]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  358.584135][ T7066]  ? is_dynamic_key+0xd6/0x1c0
[  358.584175][ T7066]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  358.584231][ T7066]  gfs2_fill_super+0x13c0/0x20d0
[  358.584290][ T7066]  ? __pfx_gfs2_fill_super+0x10/0x10
[  358.584322][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.584358][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.584387][ T7066]  ? sb_set_blocksize+0x104/0x180
[  358.584431][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.584459][ T7066]  ? setup_bdev_super+0x4c1/0x5b0
[  358.584501][ T7066]  get_tree_bdev_flags+0x40e/0x4d0
[  358.584535][ T7066]  ? __pfx_gfs2_fill_super+0x10/0x10
[  358.584569][ T7066]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  358.584607][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.584647][ T7066]  gfs2_get_tree+0x51/0x1e0
[  358.584688][ T7066]  vfs_get_tree+0x92/0x2b0
[  358.584726][ T7066]  do_new_mount+0x2a2/0x9e0
[  358.584771][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.584801][ T7066]  ? ns_capable+0x8a/0xf0
[  358.584826][ T7066]  ? __pfx_do_new_mount+0x10/0x10
[  358.584861][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.584888][ T7066]  ? path_mount+0x61c/0xfe0
[  358.584921][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.584963][ T7066]  __se_sys_mount+0x317/0x410
[  358.585007][ T7066]  ? __pfx___se_sys_mount+0x10/0x10
[  358.585042][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.585078][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.585110][ T7066]  ? __x64_sys_mount+0x20/0xc0
[  358.585151][ T7066]  do_syscall_64+0xfa/0x3b0
[  358.585173][ T7066]  ? lockdep_hardirqs_on+0x9c/0x150
[  358.585215][ T7066]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  358.585239][ T7066]  ? srso_alias_return_thunk+0x5/0xfbef5
[  358.585267][ T7066]  ? exc_page_fault+0x9f/0xf0
[  358.585304][ T7066]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  358.585328][ T7066] RIP: 0033:0x7fa0f439038a
[  358.585351][ T7066] 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
[  358.585374][ T7066] RSP: 002b:00007ffc5bb3b9a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  358.585400][ T7066] RAX: ffffffffffffffda RBX: 00007ffc5bb3ba30 RCX: 00007fa0f439038a
[  358.585420][ T7066] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffc5bb3b9f0
[  358.585438][ T7066] RBP: 0000200000000180 R08: 00007ffc5bb3ba30 R09: 0000000000000000
[  358.585456][ T7066] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  358.585472][ T7066] R13: 00007ffc5bb3b9f0 R14: 00000000000125b0 R15: 0000200000000080
[  358.585510][ T7066]  </TASK>
[  358.954958][ T7066] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  358.968932][ T7066] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  358.993621][  T844] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 2470ms
[  359.108259][  T844] gfs2: fsid=syz:syz.0: jid=0: Done
[  359.175201][ T7054] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  359.394686][ T7054] gfs2: fsid=syz:syz.0: found 1 quota changes
[  359.462824][ T7070] gfs2: fsid=syz:syz.0: gfs2_quotad: sync error -28
[  359.547880][ T7069] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  359.607521][ T7051] NILFS (loop0): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  359.706155][ T7051] NILFS error (device loop0): nilfs_bmap_propagate: broken bmap (inode number=4)
[  359.789411][ T7051] Remounting filesystem read-only
[  359.798044][ T7061] NILFS (loop5): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  359.838248][ T5970] NILFS (loop0): disposed unprocessed dirty file(s) when stopping log writer
[  359.845145][ T7061] NILFS error (device loop5): nilfs_bmap_propagate: broken bmap (inode number=4)
[  359.969957][ T7061] Remounting filesystem read-only
[  360.069633][ T5985] NILFS (loop5): disposed unprocessed dirty file(s) when stopping log writer
[  360.177000][ T7065] NILFS (loop4): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  360.259305][ T7071] loop3: detected capacity change from 0 to 32768
[  360.281286][ T7065] NILFS error (device loop4): nilfs_bmap_propagate: broken bmap (inode number=4)
[  360.301768][ T7071] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  360.309275][ T7071] CPU: 0 UID: 0 PID: 7071 Comm: syz.3.317 Not tainted syzkaller #0 PREEMPT(full) 
[  360.309303][ T7071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  360.309318][ T7071] Call Trace:
[  360.309328][ T7071]  <TASK>
[  360.309338][ T7071]  dump_stack_lvl+0x189/0x250
[  360.309380][ T7071]  ? __pfx_dump_stack_lvl+0x10/0x10
[  360.309408][ T7071]  ? __pfx__printk+0x10/0x10
[  360.309452][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.309481][ T7071]  ? kernfs_path_from_node+0x250/0x290
[  360.309511][ T7071]  ? kernfs_path_from_node+0x2f/0x290
[  360.309543][ T7071]  sysfs_create_dir_ns+0x259/0x280
[  360.309575][ T7071]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  360.309604][ T7071]  ? do_raw_spin_unlock+0x122/0x240
[  360.309643][ T7071]  kobject_add_internal+0x59f/0xb40
[  360.309689][ T7071]  kobject_init_and_add+0x125/0x190
[  360.309721][ T7071]  ? __pfx_kobject_init_and_add+0x10/0x10
[  360.309746][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.309774][ T7071]  ? __raw_spin_lock_init+0x45/0x100
[  360.309805][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.309833][ T7071]  ? __init_swait_queue_head+0xa9/0x150
[  360.309870][ T7071]  gfs2_sys_fs_add+0x234/0x450
[  360.309900][ T7071]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  360.309934][ T7071]  ? is_dynamic_key+0xd6/0x1c0
[  360.309973][ T7071]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  360.310027][ T7071]  gfs2_fill_super+0x13c0/0x20d0
[  360.310084][ T7071]  ? __pfx_gfs2_fill_super+0x10/0x10
[  360.310115][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.310149][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.310177][ T7071]  ? sb_set_blocksize+0x104/0x180
[  360.310221][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.310249][ T7071]  ? setup_bdev_super+0x4c1/0x5b0
[  360.310291][ T7071]  get_tree_bdev_flags+0x40e/0x4d0
[  360.310326][ T7071]  ? __pfx_gfs2_fill_super+0x10/0x10
[  360.310361][ T7071]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  360.310398][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.310436][ T7071]  gfs2_get_tree+0x51/0x1e0
[  360.310473][ T7071]  vfs_get_tree+0x92/0x2b0
[  360.310511][ T7071]  do_new_mount+0x2a2/0x9e0
[  360.310556][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.310584][ T7071]  ? ns_capable+0x8a/0xf0
[  360.310610][ T7071]  ? __pfx_do_new_mount+0x10/0x10
[  360.310652][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.310679][ T7071]  ? path_mount+0x61c/0xfe0
[  360.310713][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.310755][ T7071]  __se_sys_mount+0x317/0x410
[  360.310800][ T7071]  ? __pfx___se_sys_mount+0x10/0x10
[  360.310836][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.310872][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.310899][ T7071]  ? __x64_sys_mount+0x20/0xc0
[  360.310940][ T7071]  do_syscall_64+0xfa/0x3b0
[  360.310963][ T7071]  ? lockdep_hardirqs_on+0x9c/0x150
[  360.311003][ T7071]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  360.311027][ T7071]  ? srso_alias_return_thunk+0x5/0xfbef5
[  360.311055][ T7071]  ? exc_page_fault+0x9f/0xf0
[  360.311092][ T7071]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  360.311116][ T7071] RIP: 0033:0x7f046ed9038a
[  360.311139][ T7071] 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
[  360.311161][ T7071] RSP: 002b:00007ffeee1e4d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  360.311188][ T7071] RAX: ffffffffffffffda RBX: 00007ffeee1e4dd0 RCX: 00007f046ed9038a
[  360.311207][ T7071] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffeee1e4d90
[  360.311226][ T7071] RBP: 0000200000000180 R08: 00007ffeee1e4dd0 R09: 0000000000000000
[  360.311244][ T7071] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  360.311261][ T7071] R13: 00007ffeee1e4d90 R14: 00000000000125b0 R15: 0000200000000080
[  360.311300][ T7071]  </TASK>
[  360.311329][ T7071] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  360.398411][ T7065] Remounting filesystem read-only
[  360.402864][ T7071] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  360.890880][ T7074] loop0: detected capacity change from 0 to 32768
[  360.966399][ T5988] NILFS (loop4): disposed unprocessed dirty file(s) when stopping log writer
[  361.495726][ T7071] loop3: detected capacity change from 0 to 2048
[  361.503831][ T7077] loop2: detected capacity change from 0 to 32768
[  361.531576][ T7074] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  361.539146][ T7074] CPU: 1 UID: 0 PID: 7074 Comm: syz.0.314 Not tainted syzkaller #0 PREEMPT(full) 
[  361.539176][ T7074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  361.539193][ T7074] Call Trace:
[  361.539204][ T7074]  <TASK>
[  361.539214][ T7074]  dump_stack_lvl+0x189/0x250
[  361.539257][ T7074]  ? __pfx_dump_stack_lvl+0x10/0x10
[  361.539288][ T7074]  ? __pfx__printk+0x10/0x10
[  361.539334][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.539365][ T7074]  ? kernfs_path_from_node+0x250/0x290
[  361.539395][ T7074]  ? kernfs_path_from_node+0x2f/0x290
[  361.539427][ T7074]  sysfs_create_dir_ns+0x259/0x280
[  361.539460][ T7074]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  361.539490][ T7074]  ? do_raw_spin_unlock+0x122/0x240
[  361.539530][ T7074]  kobject_add_internal+0x59f/0xb40
[  361.539568][ T7074]  kobject_init_and_add+0x125/0x190
[  361.539600][ T7074]  ? __pfx_kobject_init_and_add+0x10/0x10
[  361.539626][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.539661][ T7074]  ? __raw_spin_lock_init+0x45/0x100
[  361.539693][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.539721][ T7074]  ? __init_swait_queue_head+0xa9/0x150
[  361.539758][ T7074]  gfs2_sys_fs_add+0x234/0x450
[  361.539789][ T7074]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  361.539824][ T7074]  ? is_dynamic_key+0xd6/0x1c0
[  361.539863][ T7074]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  361.539917][ T7074]  gfs2_fill_super+0x13c0/0x20d0
[  361.539975][ T7074]  ? __pfx_gfs2_fill_super+0x10/0x10
[  361.540006][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540041][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540070][ T7074]  ? sb_set_blocksize+0x104/0x180
[  361.540114][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540142][ T7074]  ? setup_bdev_super+0x4c1/0x5b0
[  361.540184][ T7074]  get_tree_bdev_flags+0x40e/0x4d0
[  361.540220][ T7074]  ? __pfx_gfs2_fill_super+0x10/0x10
[  361.540254][ T7074]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  361.540292][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540330][ T7074]  gfs2_get_tree+0x51/0x1e0
[  361.540369][ T7074]  vfs_get_tree+0x92/0x2b0
[  361.540406][ T7074]  do_new_mount+0x2a2/0x9e0
[  361.540452][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540480][ T7074]  ? ns_capable+0x8a/0xf0
[  361.540506][ T7074]  ? __pfx_do_new_mount+0x10/0x10
[  361.540541][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540570][ T7074]  ? path_mount+0x61c/0xfe0
[  361.540604][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540646][ T7074]  __se_sys_mount+0x317/0x410
[  361.540700][ T7074]  ? __pfx___se_sys_mount+0x10/0x10
[  361.540735][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540772][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540800][ T7074]  ? __x64_sys_mount+0x20/0xc0
[  361.540842][ T7074]  do_syscall_64+0xfa/0x3b0
[  361.540865][ T7074]  ? lockdep_hardirqs_on+0x9c/0x150
[  361.540905][ T7074]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  361.540929][ T7074]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.540957][ T7074]  ? exc_page_fault+0x9f/0xf0
[  361.540996][ T7074]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  361.541021][ T7074] RIP: 0033:0x7f0f2b19038a
[  361.541044][ T7074] 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
[  361.541067][ T7074] RSP: 002b:00007ffde4425c08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  361.541094][ T7074] RAX: ffffffffffffffda RBX: 00007ffde4425c90 RCX: 00007f0f2b19038a
[  361.541113][ T7074] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffde4425c50
[  361.541132][ T7074] RBP: 0000200000000180 R08: 00007ffde4425c90 R09: 0000000000000000
[  361.541150][ T7074] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  361.541168][ T7074] R13: 00007ffde4425c50 R14: 00000000000125b0 R15: 0000200000000080
[  361.541206][ T7074]  </TASK>
[  361.541236][ T7074] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  361.620518][ T7077] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
2025/09/02 05:08:29 executed programs: 316
[  361.621217][ T7074] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  361.626716][ T7077] CPU: 0 UID: 0 PID: 7077 Comm: syz.2.320 Not tainted syzkaller #0 PREEMPT(full) 
[  361.626744][ T7077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  361.626760][ T7077] Call Trace:
[  361.626771][ T7077]  <TASK>
[  361.626781][ T7077]  dump_stack_lvl+0x189/0x250
[  361.626824][ T7077]  ? __pfx_dump_stack_lvl+0x10/0x10
[  361.626854][ T7077]  ? __pfx__printk+0x10/0x10
[  361.626904][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.626934][ T7077]  ? kernfs_path_from_node+0x250/0x290
[  361.626964][ T7077]  ? kernfs_path_from_node+0x2f/0x290
[  361.626996][ T7077]  sysfs_create_dir_ns+0x259/0x280
[  361.627027][ T7077]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  361.627056][ T7077]  ? do_raw_spin_unlock+0x122/0x240
[  361.627094][ T7077]  kobject_add_internal+0x59f/0xb40
[  361.627133][ T7077]  kobject_init_and_add+0x125/0x190
[  361.627165][ T7077]  ? __pfx_kobject_init_and_add+0x10/0x10
[  361.627190][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.627218][ T7077]  ? __raw_spin_lock_init+0x45/0x100
[  361.627249][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.627277][ T7077]  ? __init_swait_queue_head+0xa9/0x150
[  361.627313][ T7077]  gfs2_sys_fs_add+0x234/0x450
[  361.627344][ T7077]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  361.627377][ T7077]  ? is_dynamic_key+0xd6/0x1c0
[  361.627416][ T7077]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  361.627468][ T7077]  gfs2_fill_super+0x13c0/0x20d0
[  361.627525][ T7077]  ? __pfx_gfs2_fill_super+0x10/0x10
[  361.627556][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.627617][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.627644][ T7077]  ? sb_set_blocksize+0x104/0x180
[  361.627687][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.627714][ T7077]  ? setup_bdev_super+0x4c1/0x5b0
[  361.627756][ T7077]  get_tree_bdev_flags+0x40e/0x4d0
[  361.627790][ T7077]  ? __pfx_gfs2_fill_super+0x10/0x10
[  361.627825][ T7077]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  361.627861][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.627902][ T7077]  gfs2_get_tree+0x51/0x1e0
[  361.627940][ T7077]  vfs_get_tree+0x92/0x2b0
[  361.627977][ T7077]  do_new_mount+0x2a2/0x9e0
[  361.628020][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.628047][ T7077]  ? ns_capable+0x8a/0xf0
[  361.628072][ T7077]  ? __pfx_do_new_mount+0x10/0x10
[  361.628107][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.628134][ T7077]  ? path_mount+0x61c/0xfe0
[  361.628167][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.628208][ T7077]  __se_sys_mount+0x317/0x410
[  361.628254][ T7077]  ? __pfx___se_sys_mount+0x10/0x10
[  361.628289][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.628324][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.628351][ T7077]  ? __x64_sys_mount+0x20/0xc0
[  361.628391][ T7077]  do_syscall_64+0xfa/0x3b0
[  361.628414][ T7077]  ? lockdep_hardirqs_on+0x9c/0x150
[  361.628454][ T7077]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  361.628477][ T7077]  ? srso_alias_return_thunk+0x5/0xfbef5
[  361.628511][ T7077]  ? exc_page_fault+0x9f/0xf0
[  361.628551][ T7077]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  361.628575][ T7077] RIP: 0033:0x7fa0f439038a
[  361.628598][ T7077] 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
[  361.628620][ T7077] RSP: 002b:00007ffc5bb3b9a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  361.628645][ T7077] RAX: ffffffffffffffda RBX: 00007ffc5bb3ba30 RCX: 00007fa0f439038a
[  361.628665][ T7077] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffc5bb3b9f0
[  361.628683][ T7077] RBP: 0000200000000180 R08: 00007ffc5bb3ba30 R09: 0000000000000000
[  361.628701][ T7077] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  361.628718][ T7077] R13: 00007ffc5bb3b9f0 R14: 00000000000125b0 R15: 0000200000000080
[  361.628755][ T7077]  </TASK>
[  361.628786][ T7077] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  361.986131][ T7079] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  361.986397][ T7077] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  362.550220][ T7077] loop2: detected capacity change from 0 to 2048
[  362.657476][ T7083] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  362.950488][ T7082] loop4: detected capacity change from 0 to 32768
[  363.142045][ T7082] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  363.150122][ T7082] CPU: 1 UID: 0 PID: 7082 Comm: syz.4.318 Not tainted syzkaller #0 PREEMPT(full) 
[  363.150151][ T7082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  363.150168][ T7082] Call Trace:
[  363.150178][ T7082]  <TASK>
[  363.150189][ T7082]  dump_stack_lvl+0x189/0x250
[  363.150232][ T7082]  ? __pfx_dump_stack_lvl+0x10/0x10
[  363.150264][ T7082]  ? __pfx__printk+0x10/0x10
[  363.150309][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.150341][ T7082]  ? kernfs_path_from_node+0x250/0x290
[  363.150371][ T7082]  ? kernfs_path_from_node+0x2f/0x290
[  363.150405][ T7082]  sysfs_create_dir_ns+0x259/0x280
[  363.150437][ T7082]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  363.150467][ T7082]  ? do_raw_spin_unlock+0x122/0x240
[  363.150507][ T7082]  kobject_add_internal+0x59f/0xb40
[  363.150546][ T7082]  kobject_init_and_add+0x125/0x190
[  363.150578][ T7082]  ? __pfx_kobject_init_and_add+0x10/0x10
[  363.150604][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.150633][ T7082]  ? __raw_spin_lock_init+0x45/0x100
[  363.150665][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.150693][ T7082]  ? __init_swait_queue_head+0xa9/0x150
[  363.150731][ T7082]  gfs2_sys_fs_add+0x234/0x450
[  363.150762][ T7082]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  363.150796][ T7082]  ? is_dynamic_key+0xd6/0x1c0
[  363.150835][ T7082]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  363.150889][ T7082]  gfs2_fill_super+0x13c0/0x20d0
[  363.150951][ T7082]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.150982][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151016][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151045][ T7082]  ? sb_set_blocksize+0x104/0x180
[  363.151088][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151116][ T7082]  ? setup_bdev_super+0x4c1/0x5b0
[  363.151160][ T7082]  get_tree_bdev_flags+0x40e/0x4d0
[  363.151196][ T7082]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.151231][ T7082]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  363.151270][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151307][ T7082]  gfs2_get_tree+0x51/0x1e0
[  363.151345][ T7082]  vfs_get_tree+0x92/0x2b0
[  363.151383][ T7082]  do_new_mount+0x2a2/0x9e0
[  363.151428][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151456][ T7082]  ? ns_capable+0x8a/0xf0
[  363.151481][ T7082]  ? __pfx_do_new_mount+0x10/0x10
[  363.151516][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151544][ T7082]  ? path_mount+0x61c/0xfe0
[  363.151578][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151620][ T7082]  __se_sys_mount+0x317/0x410
[  363.151666][ T7082]  ? __pfx___se_sys_mount+0x10/0x10
[  363.151702][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151738][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151766][ T7082]  ? __x64_sys_mount+0x20/0xc0
[  363.151807][ T7082]  do_syscall_64+0xfa/0x3b0
[  363.151830][ T7082]  ? lockdep_hardirqs_on+0x9c/0x150
[  363.151870][ T7082]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.151894][ T7082]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.151928][ T7082]  ? exc_page_fault+0x9f/0xf0
[  363.151966][ T7082]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.151991][ T7082] RIP: 0033:0x7fea0ab9038a
[  363.152013][ T7082] 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
[  363.152035][ T7082] RSP: 002b:00007ffda8c22488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  363.152060][ T7082] RAX: ffffffffffffffda RBX: 00007ffda8c22510 RCX: 00007fea0ab9038a
[  363.152079][ T7082] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffda8c224d0
[  363.152098][ T7082] RBP: 0000200000000180 R08: 00007ffda8c22510 R09: 0000000000000000
[  363.152116][ T7082] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  363.152133][ T7082] R13: 00007ffda8c224d0 R14: 00000000000125b0 R15: 0000200000000080
[  363.152172][ T7082]  </TASK>
[  363.152200][ T7082] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  363.540680][ T7082] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  363.570144][ T7085] loop5: detected capacity change from 0 to 32768
[  363.676016][ T7085] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  363.683495][ T7085] CPU: 0 UID: 0 PID: 7085 Comm: syz.5.321 Not tainted syzkaller #0 PREEMPT(full) 
[  363.683525][ T7085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  363.683542][ T7085] Call Trace:
[  363.683553][ T7085]  <TASK>
[  363.683564][ T7085]  dump_stack_lvl+0x189/0x250
[  363.683607][ T7085]  ? __pfx_dump_stack_lvl+0x10/0x10
[  363.683640][ T7085]  ? __pfx__printk+0x10/0x10
[  363.683685][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.683717][ T7085]  ? kernfs_path_from_node+0x250/0x290
[  363.683748][ T7085]  ? kernfs_path_from_node+0x2f/0x290
[  363.683781][ T7085]  sysfs_create_dir_ns+0x259/0x280
[  363.683814][ T7085]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  363.683844][ T7085]  ? do_raw_spin_unlock+0x122/0x240
[  363.683885][ T7085]  kobject_add_internal+0x59f/0xb40
[  363.683930][ T7085]  kobject_init_and_add+0x125/0x190
[  363.683963][ T7085]  ? __pfx_kobject_init_and_add+0x10/0x10
[  363.683990][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.684019][ T7085]  ? __raw_spin_lock_init+0x45/0x100
[  363.684051][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.684080][ T7085]  ? __init_swait_queue_head+0xa9/0x150
[  363.684118][ T7085]  gfs2_sys_fs_add+0x234/0x450
[  363.684154][ T7085]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  363.684190][ T7085]  ? is_dynamic_key+0xd6/0x1c0
[  363.684229][ T7085]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  363.684284][ T7085]  gfs2_fill_super+0x13c0/0x20d0
[  363.684342][ T7085]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.684375][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.684410][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.684439][ T7085]  ? sb_set_blocksize+0x104/0x180
[  363.684483][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.684512][ T7085]  ? setup_bdev_super+0x4c1/0x5b0
[  363.684555][ T7085]  get_tree_bdev_flags+0x40e/0x4d0
[  363.684592][ T7085]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.684627][ T7085]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  363.684665][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.684703][ T7085]  gfs2_get_tree+0x51/0x1e0
[  363.684741][ T7085]  vfs_get_tree+0x92/0x2b0
[  363.684779][ T7085]  do_new_mount+0x2a2/0x9e0
[  363.684826][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.684854][ T7085]  ? ns_capable+0x8a/0xf0
[  363.684880][ T7085]  ? __pfx_do_new_mount+0x10/0x10
[  363.684921][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.684949][ T7085]  ? path_mount+0x61c/0xfe0
[  363.684983][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.685026][ T7085]  __se_sys_mount+0x317/0x410
[  363.685072][ T7085]  ? __pfx___se_sys_mount+0x10/0x10
[  363.685108][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.685144][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.685172][ T7085]  ? __x64_sys_mount+0x20/0xc0
[  363.685213][ T7085]  do_syscall_64+0xfa/0x3b0
[  363.685236][ T7085]  ? lockdep_hardirqs_on+0x9c/0x150
[  363.685278][ T7085]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.685302][ T7085]  ? srso_alias_return_thunk+0x5/0xfbef5
[  363.685331][ T7085]  ? exc_page_fault+0x9f/0xf0
[  363.685369][ T7085]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.685395][ T7085] RIP: 0033:0x7f956739038a
[  363.685417][ T7085] 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
[  363.685439][ T7085] RSP: 002b:00007fffba956298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  363.685466][ T7085] RAX: ffffffffffffffda RBX: 00007fffba956320 RCX: 00007f956739038a
[  363.685485][ T7085] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007fffba9562e0
[  363.685504][ T7085] RBP: 0000200000000180 R08: 00007fffba956320 R09: 0000000000000000
[  363.685522][ T7085] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  363.685539][ T7085] R13: 00007fffba9562e0 R14: 00000000000125b0 R15: 0000200000000080
[  363.685578][ T7085]  </TASK>
[  364.054921][ T7085] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  364.068883][ T7085] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  364.331738][ T7085] loop5: detected capacity change from 0 to 2048
[  364.416537][ T7091] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  364.660550][ T7089] loop0: detected capacity change from 0 to 32768
[  364.734124][ T7089] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  364.745234][ T7089] CPU: 0 UID: 0 PID: 7089 Comm: syz.0.322 Not tainted syzkaller #0 PREEMPT(full) 
[  364.745265][ T7089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  364.745282][ T7089] Call Trace:
[  364.745292][ T7089]  <TASK>
[  364.745304][ T7089]  dump_stack_lvl+0x189/0x250
[  364.745347][ T7089]  ? __pfx_dump_stack_lvl+0x10/0x10
[  364.745378][ T7089]  ? __pfx__printk+0x10/0x10
[  364.745425][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.745457][ T7089]  ? kernfs_path_from_node+0x250/0x290
[  364.745487][ T7089]  ? kernfs_path_from_node+0x2f/0x290
[  364.745520][ T7089]  sysfs_create_dir_ns+0x259/0x280
[  364.745552][ T7089]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  364.745582][ T7089]  ? do_raw_spin_unlock+0x122/0x240
[  364.745623][ T7089]  kobject_add_internal+0x59f/0xb40
[  364.745661][ T7089]  kobject_init_and_add+0x125/0x190
[  364.745694][ T7089]  ? __pfx_kobject_init_and_add+0x10/0x10
[  364.745722][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.745751][ T7089]  ? __raw_spin_lock_init+0x45/0x100
[  364.745783][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.745812][ T7089]  ? __init_swait_queue_head+0xa9/0x150
[  364.745850][ T7089]  gfs2_sys_fs_add+0x234/0x450
[  364.745881][ T7089]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  364.745916][ T7089]  ? is_dynamic_key+0xd6/0x1c0
[  364.745960][ T7089]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  364.746014][ T7089]  gfs2_fill_super+0x13c0/0x20d0
[  364.746071][ T7089]  ? __pfx_gfs2_fill_super+0x10/0x10
[  364.746104][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.746139][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.746168][ T7089]  ? sb_set_blocksize+0x104/0x180
[  364.746212][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.746241][ T7089]  ? setup_bdev_super+0x4c1/0x5b0
[  364.746284][ T7089]  get_tree_bdev_flags+0x40e/0x4d0
[  364.746320][ T7089]  ? __pfx_gfs2_fill_super+0x10/0x10
[  364.746355][ T7089]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  364.746394][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.746432][ T7089]  gfs2_get_tree+0x51/0x1e0
[  364.746470][ T7089]  vfs_get_tree+0x92/0x2b0
[  364.746509][ T7089]  do_new_mount+0x2a2/0x9e0
[  364.746555][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.746584][ T7089]  ? ns_capable+0x8a/0xf0
[  364.746610][ T7089]  ? __pfx_do_new_mount+0x10/0x10
[  364.746645][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.746673][ T7089]  ? path_mount+0x61c/0xfe0
[  364.746708][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.746750][ T7089]  __se_sys_mount+0x317/0x410
[  364.746797][ T7089]  ? __pfx___se_sys_mount+0x10/0x10
[  364.746833][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.746870][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.746899][ T7089]  ? __x64_sys_mount+0x20/0xc0
[  364.746945][ T7089]  do_syscall_64+0xfa/0x3b0
[  364.746968][ T7089]  ? lockdep_hardirqs_on+0x9c/0x150
[  364.747008][ T7089]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  364.747033][ T7089]  ? srso_alias_return_thunk+0x5/0xfbef5
[  364.747061][ T7089]  ? exc_page_fault+0x9f/0xf0
[  364.747100][ T7089]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  364.747125][ T7089] RIP: 0033:0x7f0f2b19038a
[  364.747147][ T7089] 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
[  364.747168][ T7089] RSP: 002b:00007ffde4425c08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  364.747196][ T7089] RAX: ffffffffffffffda RBX: 00007ffde4425c90 RCX: 00007f0f2b19038a
[  364.747216][ T7089] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffde4425c50
[  364.747235][ T7089] RBP: 0000200000000180 R08: 00007ffde4425c90 R09: 0000000000000000
[  364.747254][ T7089] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  364.747271][ T7089] R13: 00007ffde4425c50 R14: 00000000000125b0 R15: 0000200000000080
[  364.747310][ T7089]  </TASK>
[  364.747337][ T7089] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  365.148505][ T7089] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  365.215757][ T7069] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[  365.293123][ T7069] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[  365.300656][ T7089] loop0: detected capacity change from 0 to 2048
[  365.357375][ T7094] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  365.698720][ T7069] gfs2: fsid=syz:syz.0: File system withdrawn
[  365.704845][ T7069] CPU: 1 UID: 0 PID: 7069 Comm: gfs2_logd/syz:s Not tainted syzkaller #0 PREEMPT(full) 
[  365.704876][ T7069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  365.704892][ T7069] Call Trace:
[  365.704903][ T7069]  <TASK>
[  365.704913][ T7069]  dump_stack_lvl+0x189/0x250
[  365.704956][ T7069]  ? __pfx_dump_stack_lvl+0x10/0x10
[  365.704987][ T7069]  ? __pfx__printk+0x10/0x10
[  365.705027][ T7069]  ? kobject_uevent_env+0x36b/0x8c0
[  365.705070][ T7069]  gfs2_withdraw+0xb30/0x1430
[  365.705129][ T7069]  ? __pfx_gfs2_withdraw+0x10/0x10
[  365.705161][ T7069]  ? __pfx_autoremove_wake_function+0x10/0x10
[  365.705203][ T7069]  ? srso_alias_return_thunk+0x5/0xfbef5
[  365.705235][ T7069]  ? prepare_to_wait_event+0x437/0x480
[  365.705278][ T7069]  gfs2_logd+0x12e2/0x1360
[  365.705341][ T7069]  ? __pfx_gfs2_logd+0x10/0x10
[  365.705379][ T7069]  ? srso_alias_return_thunk+0x5/0xfbef5
[  365.705407][ T7069]  ? __lock_acquire+0xab9/0xd20
[  365.705459][ T7069]  ? srso_alias_return_thunk+0x5/0xfbef5
[  365.705486][ T7069]  ? do_raw_spin_lock+0x121/0x290
[  365.705526][ T7069]  ? srso_alias_return_thunk+0x5/0xfbef5
[  365.705559][ T7069]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[  365.705599][ T7069]  ? srso_alias_return_thunk+0x5/0xfbef5
[  365.705627][ T7069]  ? lockdep_hardirqs_on+0x9c/0x150
[  365.705680][ T7069]  ? srso_alias_return_thunk+0x5/0xfbef5
[  365.705708][ T7069]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  365.705744][ T7069]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  365.705785][ T7069]  ? __pfx_autoremove_wake_function+0x10/0x10
[  365.705815][ T7069]  ? __kthread_parkme+0x7b/0x200
[  365.705844][ T7069]  ? srso_alias_return_thunk+0x5/0xfbef5
[  365.705872][ T7069]  ? __kthread_parkme+0x1a1/0x200
[  365.705907][ T7069]  kthread+0x711/0x8a0
[  365.705944][ T7069]  ? __pfx_gfs2_logd+0x10/0x10
[  365.705983][ T7069]  ? __pfx_kthread+0x10/0x10
[  365.706011][ T7069]  ? srso_alias_return_thunk+0x5/0xfbef5
[  365.706044][ T7069]  ? _raw_spin_unlock_irq+0x23/0x50
[  365.706078][ T7069]  ? srso_alias_return_thunk+0x5/0xfbef5
[  365.706106][ T7069]  ? lockdep_hardirqs_on+0x9c/0x150
[  365.706140][ T7069]  ? __pfx_kthread+0x10/0x10
[  365.706173][ T7069]  ret_from_fork+0x3fc/0x770
[  365.706204][ T7069]  ? __pfx_ret_from_fork+0x10/0x10
[  365.706237][ T7069]  ? __switch_to_asm+0x39/0x70
[  365.706272][ T7069]  ? __switch_to_asm+0x33/0x70
[  365.706304][ T7069]  ? __pfx_kthread+0x10/0x10
[  365.706336][ T7069]  ret_from_fork_asm+0x1a/0x30
[  365.706388][ T7069]  </TASK>
[  366.509267][ T7083] NILFS (loop2): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  366.625572][ T7083] NILFS error (device loop2): nilfs_bmap_propagate: broken bmap (inode number=4)
[  366.686483][ T7096] loop1: detected capacity change from 0 to 32768
[  366.690883][ T7079] NILFS (loop3): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  366.735498][ T7083] Remounting filesystem read-only
[  366.786302][ T7096] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  366.794520][ T7096] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  366.802742][ T5972] NILFS (loop2): disposed unprocessed dirty file(s) when stopping log writer
[  366.845330][ T7079] NILFS error (device loop3): nilfs_bmap_propagate: broken bmap (inode number=4)
[  366.879490][ T7096] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[  366.909149][  T844] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  366.931510][  T844] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  366.956974][ T7079] Remounting filesystem read-only
[  366.990348][ T7091] NILFS (loop5): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  367.016588][ T5982] NILFS (loop3): disposed unprocessed dirty file(s) when stopping log writer
[  367.092697][ T7091] NILFS error (device loop5): nilfs_bmap_propagate: broken bmap (inode number=4)
[  367.615642][ T7099] loop4: detected capacity change from 0 to 32768
[  367.624154][ T7091] Remounting filesystem read-only
[  367.710446][ T5985] NILFS (loop5): disposed unprocessed dirty file(s) when stopping log writer
[  367.755778][ T7099] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  367.763319][ T7099] CPU: 1 UID: 0 PID: 7099 Comm: syz.4.327 Not tainted syzkaller #0 PREEMPT(full) 
[  367.763354][ T7099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  367.763372][ T7099] Call Trace:
[  367.763383][ T7099]  <TASK>
[  367.763395][ T7099]  dump_stack_lvl+0x189/0x250
[  367.763441][ T7099]  ? __pfx_dump_stack_lvl+0x10/0x10
[  367.763474][ T7099]  ? __pfx__printk+0x10/0x10
[  367.763522][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.763555][ T7099]  ? kernfs_path_from_node+0x250/0x290
[  367.763587][ T7099]  ? kernfs_path_from_node+0x2f/0x290
[  367.763622][ T7099]  sysfs_create_dir_ns+0x259/0x280
[  367.763657][ T7099]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  367.763695][ T7099]  ? do_raw_spin_unlock+0x122/0x240
[  367.763737][ T7099]  kobject_add_internal+0x59f/0xb40
[  367.763777][ T7099]  kobject_init_and_add+0x125/0x190
[  367.763812][ T7099]  ? __pfx_kobject_init_and_add+0x10/0x10
[  367.763841][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.763871][ T7099]  ? __raw_spin_lock_init+0x45/0x100
[  367.763906][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.763936][ T7099]  ? __init_swait_queue_head+0xa9/0x150
[  367.763974][ T7099]  gfs2_sys_fs_add+0x234/0x450
[  367.764007][ T7099]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  367.764044][ T7099]  ? is_dynamic_key+0xd6/0x1c0
[  367.764083][ T7099]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  367.764138][ T7099]  gfs2_fill_super+0x13c0/0x20d0
[  367.764197][ T7099]  ? __pfx_gfs2_fill_super+0x10/0x10
[  367.764231][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.764269][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.764299][ T7099]  ? sb_set_blocksize+0x104/0x180
[  367.764341][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.764371][ T7099]  ? setup_bdev_super+0x4c1/0x5b0
[  367.764415][ T7099]  get_tree_bdev_flags+0x40e/0x4d0
[  367.764453][ T7099]  ? __pfx_gfs2_fill_super+0x10/0x10
[  367.764490][ T7099]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  367.764531][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.764572][ T7099]  gfs2_get_tree+0x51/0x1e0
[  367.764613][ T7099]  vfs_get_tree+0x92/0x2b0
[  367.764654][ T7099]  do_new_mount+0x2a2/0x9e0
[  367.764708][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.764738][ T7099]  ? ns_capable+0x8a/0xf0
[  367.764765][ T7099]  ? __pfx_do_new_mount+0x10/0x10
[  367.764803][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.764833][ T7099]  ? path_mount+0x61c/0xfe0
[  367.764870][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.764915][ T7099]  __se_sys_mount+0x317/0x410
[  367.764964][ T7099]  ? __pfx___se_sys_mount+0x10/0x10
[  367.765003][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.765042][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.765072][ T7099]  ? __x64_sys_mount+0x20/0xc0
[  367.765118][ T7099]  do_syscall_64+0xfa/0x3b0
[  367.765142][ T7099]  ? lockdep_hardirqs_on+0x9c/0x150
[  367.765179][ T7099]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  367.765203][ T7099]  ? srso_alias_return_thunk+0x5/0xfbef5
[  367.765233][ T7099]  ? exc_page_fault+0x9f/0xf0
[  367.765274][ T7099]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  367.765301][ T7099] RIP: 0033:0x7fea0ab9038a
[  367.765325][ T7099] 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
[  367.765349][ T7099] RSP: 002b:00007ffda8c22488 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  367.765377][ T7099] RAX: ffffffffffffffda RBX: 00007ffda8c22510 RCX: 00007fea0ab9038a
[  367.765397][ T7099] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffda8c224d0
[  367.765417][ T7099] RBP: 0000200000000180 R08: 00007ffda8c22510 R09: 0000000000000000
[  367.765436][ T7099] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  367.765453][ T7099] R13: 00007ffda8c224d0 R14: 00000000000125b0 R15: 0000200000000080
[  367.765494][ T7099]  </TASK>
[  368.137308][ T7099] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  368.153624][ T7099] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/09/02 05:08:35 executed programs: 324
[  368.668225][  T844] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 1736ms
[  368.756165][  T844] gfs2: fsid=syz:syz.0: jid=0: Done
[  368.761594][ T7096] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  368.992432][ T7096] gfs2: fsid=syz:syz.0: found 1 quota changes
[  369.003702][ T7103] loop3: detected capacity change from 0 to 2048
[  369.256562][ T7107] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[  369.670810][ T7106] loop5: detected capacity change from 0 to 32768
[  369.768376][ T7106] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  369.769525][ T7108] loop2: detected capacity change from 0 to 32768
[  369.776197][ T7106] CPU: 0 UID: 0 PID: 7106 Comm: syz.5.326 Not tainted syzkaller #0 PREEMPT(full) 
[  369.776244][ T7106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  369.776264][ T7106] Call Trace:
[  369.776279][ T7106]  <TASK>
[  369.776290][ T7106]  dump_stack_lvl+0x189/0x250
[  369.776346][ T7106]  ? __pfx_dump_stack_lvl+0x10/0x10
[  369.776379][ T7106]  ? __pfx__printk+0x10/0x10
[  369.776429][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.776463][ T7106]  ? kernfs_path_from_node+0x250/0x290
[  369.776494][ T7106]  ? kernfs_path_from_node+0x2f/0x290
[  369.776528][ T7106]  sysfs_create_dir_ns+0x259/0x280
[  369.776562][ T7106]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  369.776593][ T7106]  ? do_raw_spin_unlock+0x122/0x240
[  369.776634][ T7106]  kobject_add_internal+0x59f/0xb40
[  369.776878][ T7106]  kobject_init_and_add+0x125/0x190
[  369.776980][ T7106]  ? __pfx_kobject_init_and_add+0x10/0x10
[  369.777016][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.777055][ T7106]  ? __raw_spin_lock_init+0x45/0x100
[  369.777100][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.777133][ T7106]  ? __init_swait_queue_head+0xa9/0x150
[  369.777182][ T7106]  gfs2_sys_fs_add+0x234/0x450
[  369.777226][ T7106]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  369.777271][ T7106]  ? is_dynamic_key+0xd6/0x1c0
[  369.777321][ T7106]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  369.777390][ T7106]  gfs2_fill_super+0x13c0/0x20d0
[  369.777462][ T7106]  ? __pfx_gfs2_fill_super+0x10/0x10
[  369.777504][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.777549][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.777586][ T7106]  ? sb_set_blocksize+0x104/0x180
[  369.777640][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.777671][ T7106]  ? setup_bdev_super+0x4c1/0x5b0
[  369.777806][ T7106]  get_tree_bdev_flags+0x40e/0x4d0
[  369.777848][ T7106]  ? __pfx_gfs2_fill_super+0x10/0x10
[  369.777890][ T7106]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  369.777932][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.777989][ T7106]  gfs2_get_tree+0x51/0x1e0
[  369.778034][ T7106]  vfs_get_tree+0x92/0x2b0
[  369.778078][ T7106]  do_new_mount+0x2a2/0x9e0
[  369.778129][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.778161][ T7106]  ? ns_capable+0x8a/0xf0
[  369.778190][ T7106]  ? __pfx_do_new_mount+0x10/0x10
[  369.778230][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.778262][ T7106]  ? path_mount+0x61c/0xfe0
[  369.778301][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.778349][ T7106]  __se_sys_mount+0x317/0x410
[  369.778401][ T7106]  ? __pfx___se_sys_mount+0x10/0x10
[  369.778441][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.778490][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.778526][ T7106]  ? __x64_sys_mount+0x20/0xc0
[  369.778580][ T7106]  do_syscall_64+0xfa/0x3b0
[  369.778616][ T7106]  ? lockdep_hardirqs_on+0x9c/0x150
[  369.778674][ T7106]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.778705][ T7106]  ? srso_alias_return_thunk+0x5/0xfbef5
[  369.778741][ T7106]  ? exc_page_fault+0x9f/0xf0
[  369.778792][ T7106]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  369.778824][ T7106] RIP: 0033:0x7f956739038a
[  369.778856][ T7106] 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
[  369.778884][ T7106] RSP: 002b:00007fffba956298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  369.778918][ T7106] RAX: ffffffffffffffda RBX: 00007fffba956320 RCX: 00007f956739038a
[  369.778943][ T7106] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007fffba9562e0
[  369.778967][ T7106] RBP: 0000200000000180 R08: 00007fffba956320 R09: 0000000000000000
[  369.778990][ T7106] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  369.779012][ T7106] R13: 00007fffba9562e0 R14: 00000000000125b0 R15: 0000200000000080
[  369.779062][ T7106]  </TASK>
[  369.779140][ T7106] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  370.178971][ T7106] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  370.453471][ T7108] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  370.461377][ T7108] CPU: 0 UID: 0 PID: 7108 Comm: syz.2.329 Not tainted syzkaller #0 PREEMPT(full) 
[  370.461423][ T7108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  370.461444][ T7108] Call Trace:
[  370.461458][ T7108]  <TASK>
[  370.461472][ T7108]  dump_stack_lvl+0x189/0x250
[  370.461530][ T7108]  ? __pfx_dump_stack_lvl+0x10/0x10
[  370.461563][ T7108]  ? __pfx__printk+0x10/0x10
[  370.461612][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.461645][ T7108]  ? kernfs_path_from_node+0x250/0x290
[  370.461686][ T7108]  ? kernfs_path_from_node+0x2f/0x290
[  370.461720][ T7108]  sysfs_create_dir_ns+0x259/0x280
[  370.461753][ T7108]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  370.461785][ T7108]  ? do_raw_spin_unlock+0x122/0x240
[  370.461825][ T7108]  kobject_add_internal+0x59f/0xb40
[  370.461868][ T7108]  kobject_init_and_add+0x125/0x190
[  370.461903][ T7108]  ? __pfx_kobject_init_and_add+0x10/0x10
[  370.461930][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.461958][ T7108]  ? __raw_spin_lock_init+0x45/0x100
[  370.461992][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.462021][ T7108]  ? __init_swait_queue_head+0xa9/0x150
[  370.462061][ T7108]  gfs2_sys_fs_add+0x234/0x450
[  370.462095][ T7108]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  370.462132][ T7108]  ? is_dynamic_key+0xd6/0x1c0
[  370.462173][ T7108]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  370.462231][ T7108]  gfs2_fill_super+0x13c0/0x20d0
[  370.462297][ T7108]  ? __pfx_gfs2_fill_super+0x10/0x10
[  370.462331][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.462368][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.462398][ T7108]  ? sb_set_blocksize+0x104/0x180
[  370.462450][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.462480][ T7108]  ? setup_bdev_super+0x4c1/0x5b0
[  370.462527][ T7108]  get_tree_bdev_flags+0x40e/0x4d0
[  370.462566][ T7108]  ? __pfx_gfs2_fill_super+0x10/0x10
[  370.462603][ T7108]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  370.462643][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.462688][ T7108]  gfs2_get_tree+0x51/0x1e0
[  370.462728][ T7108]  vfs_get_tree+0x92/0x2b0
[  370.462769][ T7108]  do_new_mount+0x2a2/0x9e0
[  370.462819][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.462847][ T7108]  ? ns_capable+0x8a/0xf0
[  370.462873][ T7108]  ? __pfx_do_new_mount+0x10/0x10
[  370.462909][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.462938][ T7108]  ? path_mount+0x61c/0xfe0
[  370.462973][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.463017][ T7108]  __se_sys_mount+0x317/0x410
[  370.463065][ T7108]  ? __pfx___se_sys_mount+0x10/0x10
[  370.463103][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.463143][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.463174][ T7108]  ? __x64_sys_mount+0x20/0xc0
[  370.463217][ T7108]  do_syscall_64+0xfa/0x3b0
[  370.463245][ T7108]  ? lockdep_hardirqs_on+0x9c/0x150
[  370.463288][ T7108]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  370.463315][ T7108]  ? srso_alias_return_thunk+0x5/0xfbef5
[  370.463346][ T7108]  ? exc_page_fault+0x9f/0xf0
[  370.463385][ T7108]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  370.463411][ T7108] RIP: 0033:0x7fa0f439038a
[  370.463439][ T7108] 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
[  370.463462][ T7108] RSP: 002b:00007ffc5bb3b9a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  370.463493][ T7108] RAX: ffffffffffffffda RBX: 00007ffc5bb3ba30 RCX: 00007fa0f439038a
[  370.463514][ T7108] RDX: 0000200000000180 RSI: 00002000000000c0 RDI: 00007ffc5bb3b9f0
[  370.463533][ T7108] RBP: 0000200000000180 R08: 00007ffc5bb3ba30 R09: 0000000000000000
[  370.463552][ T7108] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000000c0
[  370.463570][ T7108] R13: 00007ffc5bb3b9f0 R14: 00000000000125b0 R15: 0000200000000080
[  370.463610][ T7108]  </TASK>
[  370.463656][ T7108] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  370.737697][ T7094] NILFS (loop0): vblocknr = 23 has abnormal lifetime: start cno (= 4294967298) > current cno (= 3)
[  370.741166][ T7108] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  370.817238][ T7094] NILFS error (device loop0): nilfs_bmap_propagate: broken bmap (inode number=4)
[  371.475894][ T5975] ==================================================================
[  371.484057][ T5975] BUG: KASAN: slab-use-after-free in __list_add_valid_or_report+0x6a/0x130
[  371.492678][ T5975] Read of size 8 at addr ffff888051ac9708 by task syz-executor/5975
[  371.500675][ T5975] 
[  371.503017][ T5975] CPU: 1 UID: 0 PID: 5975 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  371.503052][ T5975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  371.503070][ T5975] Call Trace:
[  371.503081][ T5975]  <TASK>
[  371.503092][ T5975]  dump_stack_lvl+0x189/0x250
[  371.503134][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.503169][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.503201][ T5975]  ? __pfx_dump_stack_lvl+0x10/0x10
[  371.503232][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.503262][ T5975]  ? rcu_is_watching+0x15/0xb0
[  371.503289][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.503320][ T5975]  ? lock_release+0x4b/0x3e0
[  371.503364][ T5975]  ? _raw_spin_lock_irqsave+0xb3/0xf0
[  371.503406][ T5975]  ? __virt_addr_valid+0x1c8/0x5c0
[  371.503443][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.503473][ T5975]  ? __virt_addr_valid+0x4a5/0x5c0
[  371.503509][ T5975]  print_report+0xca/0x240
[  371.503537][ T5975]  ? __list_add_valid_or_report+0x6a/0x130
[  371.503572][ T5975]  kasan_report+0x118/0x150
[  371.503618][ T5975]  ? __list_add_valid_or_report+0x6a/0x130
[  371.503657][ T5975]  __list_add_valid_or_report+0x6a/0x130
[  371.503693][ T5975]  list_lru_add+0xf2/0x270
[  371.503724][ T5975]  qd_put+0x114/0x190
[  371.503757][ T5975]  do_qc+0x488/0x5e0
[  371.503788][ T5975]  do_sync+0x88d/0xc60
[  371.503815][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.503846][ T5975]  ? _raw_spin_unlock+0x28/0x50
[  371.503881][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.503919][ T5975]  ? __pfx_do_sync+0x10/0x10
[  371.503962][ T5975]  ? gfs2_quota_sync+0x359/0x460
[  371.503989][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.504024][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.504054][ T5975]  ? do_raw_spin_unlock+0x122/0x240
[  371.504092][ T5975]  gfs2_quota_sync+0x359/0x460
[  371.504128][ T5975]  gfs2_sync_fs+0x4c/0xb0
[  371.504156][ T5975]  sync_filesystem+0xee/0x230
[  371.504185][ T5975]  generic_shutdown_super+0x6f/0x2c0
[  371.504222][ T5975]  kill_block_super+0x44/0x90
[  371.504261][ T5975]  deactivate_locked_super+0xbc/0x130
[  371.504293][ T5975]  cleanup_mnt+0x425/0x4c0
[  371.504324][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.504354][ T5975]  ? lockdep_hardirqs_on+0x9c/0x150
[  371.504401][ T5975]  task_work_run+0x1d4/0x260
[  371.504444][ T5975]  ? __pfx_task_work_run+0x10/0x10
[  371.504478][ T5975]  ? __x64_sys_umount+0x122/0x160
[  371.504518][ T5975]  ? exit_to_user_mode_loop+0x40/0x110
[  371.504564][ T5975]  exit_to_user_mode_loop+0xec/0x110
[  371.504603][ T5975]  do_syscall_64+0x2bd/0x3b0
[  371.504628][ T5975]  ? lockdep_hardirqs_on+0x9c/0x150
[  371.504667][ T5975]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  371.504693][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  371.504723][ T5975]  ? exc_page_fault+0x9f/0xf0
[  371.504762][ T5975]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  371.504790][ T5975] RIP: 0033:0x7f04ff58ff17
[  371.504816][ T5975] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  371.504842][ T5975] RSP: 002b:00007ffe3b39e568 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  371.504871][ T5975] RAX: 0000000000000000 RBX: 00007f04ff611c05 RCX: 00007f04ff58ff17
[  371.504891][ T5975] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe3b39e620
[  371.504910][ T5975] RBP: 00007ffe3b39e620 R08: 0000000000000000 R09: 0000000000000000
[  371.504934][ T5975] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3b39f6b0
[  371.504954][ T5975] R13: 00007f04ff611c05 R14: 000000000005a186 R15: 00007ffe3b39f6f0
[  371.504986][ T5975]  </TASK>
[  371.504996][ T5975] 
[  371.856838][ T5975] Allocated by task 7054:
[  371.861158][ T5975]  kasan_save_track+0x3e/0x80
[  371.865845][ T5975]  __kasan_slab_alloc+0x6c/0x80
[  371.870699][ T5975]  kmem_cache_alloc_noprof+0x1c1/0x3c0
[  371.876163][ T5975]  qd_alloc+0x50/0x250
[  371.880228][ T5975]  gfs2_quota_init+0x777/0x1230
[  371.885071][ T5975]  gfs2_make_fs_rw+0x181/0x2b0
[  371.889852][ T5975]  gfs2_fill_super+0x1a7b/0x20d0
[  371.894793][ T5975]  get_tree_bdev_flags+0x40e/0x4d0
[  371.899910][ T5975]  gfs2_get_tree+0x51/0x1e0
[  371.904518][ T5975]  vfs_get_tree+0x92/0x2b0
[  371.908960][ T5975]  do_new_mount+0x2a2/0x9e0
[  371.913487][ T5975]  __se_sys_mount+0x317/0x410
[  371.918171][ T5975]  do_syscall_64+0xfa/0x3b0
[  371.922699][ T5975]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  371.928596][ T5975] 
[  371.930911][ T5975] Freed by task 23:
[  371.934706][ T5975]  kasan_save_track+0x3e/0x80
[  371.939392][ T5975]  kasan_save_free_info+0x46/0x50
[  371.944416][ T5975]  __kasan_slab_free+0x5b/0x80
[  371.949187][ T5975]  kmem_cache_free+0x18f/0x400
[  371.953967][ T5975]  gfs2_qd_dealloc+0x70/0xe0
[  371.958558][ T5975]  rcu_core+0xcab/0x1770
[  371.962824][ T5975]  handle_softirqs+0x286/0x870
[  371.967584][ T5975]  run_ksoftirqd+0x9b/0x100
[  371.972118][ T5975]  smpboot_thread_fn+0x542/0xa60
[  371.977050][ T5975]  kthread+0x711/0x8a0
[  371.981121][ T5975]  ret_from_fork+0x3fc/0x770
[  371.985708][ T5975]  ret_from_fork_asm+0x1a/0x30
[  371.990479][ T5975] 
[  371.992794][ T5975] Last potentially related work creation:
[  371.998505][ T5975]  kasan_save_stack+0x3e/0x60
[  372.003190][ T5975]  kasan_record_aux_stack+0xbd/0xd0
[  372.008394][ T5975]  call_rcu+0x157/0x9c0
[  372.012555][ T5975]  gfs2_quota_sync+0x3c4/0x460
[  372.017402][ T5975]  gfs2_sync_fs+0x4c/0xb0
[  372.021817][ T5975]  sync_filesystem+0xee/0x230
[  372.026489][ T5975]  generic_shutdown_super+0x6f/0x2c0
[  372.031771][ T5975]  kill_block_super+0x44/0x90
[  372.036456][ T5975]  deactivate_locked_super+0xbc/0x130
[  372.041876][ T5975]  cleanup_mnt+0x425/0x4c0
[  372.046286][ T5975]  task_work_run+0x1d4/0x260
[  372.050907][ T5975]  exit_to_user_mode_loop+0xec/0x110
[  372.056201][ T5975]  do_syscall_64+0x2bd/0x3b0
[  372.060785][ T5975]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  372.066711][ T5975] 
[  372.069048][ T5975] The buggy address belongs to the object at ffff888051ac9690
[  372.069048][ T5975]  which belongs to the cache gfs2_quotad of size 272
[  372.083106][ T5975] The buggy address is located 120 bytes inside of
[  372.083106][ T5975]  freed 272-byte region [ffff888051ac9690, ffff888051ac97a0)
[  372.096916][ T5975] 
[  372.099239][ T5975] The buggy address belongs to the physical page:
[  372.105644][ T5975] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888051ac9540 pfn:0x51ac9
[  372.115755][ T5975] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
[  372.122944][ T5975] page_type: f5(slab)
[  372.126972][ T5975] raw: 00fff00000000000 ffff8881405d6000 dead000000000122 0000000000000000
[  372.135574][ T5975] raw: ffff888051ac9540 00000000800c0007 00000000f5000000 0000000000000000
[  372.144320][ T5975] page dumped because: kasan: bad access detected
[  372.150744][ T5975] page_owner tracks the page as allocated
[  372.156445][ T5975] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x52c50(GFP_NOFS|__GFP_RECLAIMABLE|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 6304, tgid 6304 (syz.2.68), ts 167216429244, free_ts 31894484706
[  372.177029][ T5975]  post_alloc_hook+0x240/0x2a0
[  372.181825][ T5975]  get_page_from_freelist+0x21e4/0x22c0
[  372.187371][ T5975]  __alloc_frozen_pages_noprof+0x181/0x370
[  372.193177][ T5975]  alloc_pages_mpol+0x232/0x4a0
[  372.198041][ T5975]  allocate_slab+0x8a/0x370
[  372.202545][ T5975]  ___slab_alloc+0xbeb/0x1410
[  372.207233][ T5975]  kmem_cache_alloc_noprof+0x283/0x3c0
[  372.212716][ T5975]  qd_alloc+0x50/0x250
[  372.216820][ T5975]  gfs2_quota_init+0x777/0x1230
[  372.221700][ T5975]  gfs2_make_fs_rw+0x181/0x2b0
[  372.226486][ T5975]  gfs2_fill_super+0x1a7b/0x20d0
[  372.231464][ T5975]  get_tree_bdev_flags+0x40e/0x4d0
[  372.236635][ T5975]  gfs2_get_tree+0x51/0x1e0
[  372.241176][ T5975]  vfs_get_tree+0x92/0x2b0
[  372.245622][ T5975]  do_new_mount+0x2a2/0x9e0
[  372.250173][ T5975]  __se_sys_mount+0x317/0x410
[  372.254870][ T5975] page last free pid 1 tgid 1 stack trace:
[  372.260682][ T5975]  __free_frozen_pages+0xbc4/0xd30
[  372.265842][ T5975]  free_contig_range+0x1bd/0x4a0
[  372.270821][ T5975]  destroy_args+0x69/0x660
[  372.275296][ T5975]  debug_vm_pgtable+0x39f/0x3b0
[  372.280184][ T5975]  do_one_initcall+0x236/0x820
[  372.284983][ T5975]  do_initcall_level+0x104/0x190
[  372.289953][ T5975]  do_initcalls+0x59/0xa0
[  372.294310][ T5975]  kernel_init_freeable+0x334/0x4b0
[  372.299522][ T5975]  kernel_init+0x1d/0x1d0
[  372.303878][ T5975]  ret_from_fork+0x3fc/0x770
[  372.308484][ T5975]  ret_from_fork_asm+0x1a/0x30
[  372.313305][ T5975] 
[  372.315644][ T5975] Memory state around the buggy address:
[  372.321326][ T5975]  ffff888051ac9600: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[  372.329621][ T5975]  ffff888051ac9680: fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb
[  372.337741][ T5975] >ffff888051ac9700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  372.345830][ T5975]                       ^
[  372.350179][ T5975]  ffff888051ac9780: fb fb fb fb fc fc fc fc fc fc fc fc 00 00 00 00
[  372.358257][ T5975]  ffff888051ac9800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  372.366437][ T5975] ==================================================================
[  372.377872][ T5975] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[  372.385201][ T5975] CPU: 1 UID: 0 PID: 5975 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  372.394727][ T5975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  372.404880][ T5975] Call Trace:
[  372.408234][ T5975]  <TASK>
[  372.411212][ T5975]  dump_stack_lvl+0x99/0x250
[  372.415878][ T5975]  ? __asan_memcpy+0x40/0x70
[  372.420562][ T5975]  ? __pfx_dump_stack_lvl+0x10/0x10
[  372.425875][ T5975]  ? __pfx__printk+0x10/0x10
[  372.430562][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.436320][ T5975]  vpanic+0x281/0x750
[  372.440381][ T5975]  ? __pfx_vpanic+0x10/0x10
[  372.444886][ T5975]  ? irqentry_exit+0x74/0x90
[  372.449505][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.455161][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.460814][ T5975]  panic+0xb9/0xc0
[  372.464548][ T5975]  ? __pfx_panic+0x10/0x10
[  372.468971][ T5975]  ? _raw_spin_unlock_irqrestore+0xa8/0x110
[  372.474897][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.480589][ T5975]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  372.486514][ T5975]  ? is_module_address+0x17/0xf0
[  372.491500][ T5975]  ? __list_add_valid_or_report+0x6a/0x130
[  372.497321][ T5975]  check_panic_on_warn+0x89/0xb0
[  372.502364][ T5975]  ? __list_add_valid_or_report+0x6a/0x130
[  372.508178][ T5975]  end_report+0x78/0x160
[  372.512437][ T5975]  kasan_report+0x129/0x150
[  372.516955][ T5975]  ? __list_add_valid_or_report+0x6a/0x130
[  372.522782][ T5975]  __list_add_valid_or_report+0x6a/0x130
[  372.528431][ T5975]  list_lru_add+0xf2/0x270
[  372.532865][ T5975]  qd_put+0x114/0x190
[  372.536916][ T5975]  do_qc+0x488/0x5e0
[  372.540816][ T5975]  do_sync+0x88d/0xc60
[  372.544883][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.550528][ T5975]  ? _raw_spin_unlock+0x28/0x50
[  372.555396][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.561039][ T5975]  ? __pfx_do_sync+0x10/0x10
[  372.565637][ T5975]  ? gfs2_quota_sync+0x359/0x460
[  372.570576][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.576221][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.581869][ T5975]  ? do_raw_spin_unlock+0x122/0x240
[  372.587081][ T5975]  gfs2_quota_sync+0x359/0x460
[  372.591862][ T5975]  gfs2_sync_fs+0x4c/0xb0
[  372.596189][ T5975]  sync_filesystem+0xee/0x230
[  372.600866][ T5975]  generic_shutdown_super+0x6f/0x2c0
[  372.606161][ T5975]  kill_block_super+0x44/0x90
[  372.610868][ T5975]  deactivate_locked_super+0xbc/0x130
[  372.616244][ T5975]  cleanup_mnt+0x425/0x4c0
[  372.620666][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.626312][ T5975]  ? lockdep_hardirqs_on+0x9c/0x150
[  372.631542][ T5975]  task_work_run+0x1d4/0x260
[  372.636151][ T5975]  ? __pfx_task_work_run+0x10/0x10
[  372.641266][ T5975]  ? __x64_sys_umount+0x122/0x160
[  372.646299][ T5975]  ? exit_to_user_mode_loop+0x40/0x110
[  372.651816][ T5975]  exit_to_user_mode_loop+0xec/0x110
[  372.657114][ T5975]  do_syscall_64+0x2bd/0x3b0
[  372.661703][ T5975]  ? lockdep_hardirqs_on+0x9c/0x150
[  372.666910][ T5975]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  372.672977][ T5975]  ? srso_alias_return_thunk+0x5/0xfbef5
[  372.678614][ T5975]  ? exc_page_fault+0x9f/0xf0
[  372.683304][ T5975]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  372.689204][ T5975] RIP: 0033:0x7f04ff58ff17
[  372.693627][ T5975] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  372.713242][ T5975] RSP: 002b:00007ffe3b39e568 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  372.721691][ T5975] RAX: 0000000000000000 RBX: 00007f04ff611c05 RCX: 00007f04ff58ff17
[  372.729721][ T5975] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe3b39e620
[  372.737703][ T5975] RBP: 00007ffe3b39e620 R08: 0000000000000000 R09: 0000000000000000
[  372.745674][ T5975] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3b39f6b0
[  372.753647][ T5975] R13: 00007f04ff611c05 R14: 000000000005a186 R15: 00007ffe3b39f6f0
[  372.761634][ T5975]  </TASK>
[  372.764992][ T5975] Kernel Offset: disabled
[  372.769322][ T5975] Rebooting in 86400 seconds..