0077][ T6963] ? __pfx_snprintf+0x10/0x10 [ 276.780124][ T6963] ? find_held_lock+0x2b/0x80 [ 276.780163][ T6963] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.780207][ T6963] ? set_blocksize+0x1cf/0x460 [ 276.780248][ T6963] ? setup_bdev_super+0x4b6/0x770 [ 276.780299][ T6963] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.780344][ T6963] ? sb_set_blocksize+0x1f6/0x290 [ 276.780390][ T6963] ? get_tree_bdev_flags+0x38c/0x620 [ 276.780438][ T6963] get_tree_bdev_flags+0x38c/0x620 [ 276.780489][ T6963] ? __pfx_gfs2_fill_super+0x10/0x10 [ 276.780541][ T6963] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 276.780595][ T6963] ? rcu_is_watching+0x13/0xc0 [ 276.780633][ T6963] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.780677][ T6963] ? apparmor_capable+0x1d7/0x4d0 [ 276.780724][ T6963] gfs2_get_tree+0x4e/0x280 [ 276.780775][ T6963] vfs_get_tree+0x92/0x320 [ 276.780812][ T6963] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.780859][ T6963] path_mount+0x7d0/0x2850 [ 276.780909][ T6963] ? __pfx_path_mount+0x10/0x10 [ 276.780949][ T6963] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.780993][ T6963] ? lockdep_hardirqs_on+0x7d/0x110 [ 276.781040][ T6963] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.781084][ T6963] ? kmem_cache_free+0x127/0x6c0 [ 276.781138][ T6963] ? __x64_sys_mount+0x293/0x310 [ 276.781179][ T6963] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.781227][ T6963] __x64_sys_mount+0x293/0x310 [ 276.781272][ T6963] ? __pfx___x64_sys_mount+0x10/0x10 [ 276.781321][ T6963] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.781373][ T6963] do_syscall_64+0x123/0x790 [ 276.781423][ T6963] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 276.781464][ T6963] RIP: 0033:0x7f39b819f10a [ 276.781494][ T6963] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 276.781530][ T6963] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 276.781565][ T6963] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 276.781590][ T6963] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 276.781614][ T6963] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 276.781638][ T6963] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 276.781662][ T6963] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 276.781710][ T6963] [ 276.781795][ T6963] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 276.781828][ T6963] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 277.467967][ T6967] loop1: detected capacity change from 0 to 32768 [ 277.481485][ T6967] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 277.481518][ T6967] CPU: 1 UID: 0 PID: 6967 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full) [ 277.481563][ T6967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 277.481586][ T6967] Call Trace: [ 277.481600][ T6967] [ 277.481615][ T6967] dump_stack_lvl+0x100/0x190 [ 277.481682][ T6967] sysfs_warn_dup.cold+0x1c/0x28 [ 277.481758][ T6967] sysfs_create_dir_ns+0x24b/0x2b0 [ 277.481808][ T6967] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 277.481856][ T6967] ? find_held_lock+0x2b/0x80 [ 277.481895][ T6967] ? kobject_add_internal+0x25f/0x930 [ 277.481959][ T6967] ? kobject_add_internal+0x25f/0x930 [ 277.482025][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.482075][ T6967] ? do_raw_spin_unlock+0x145/0x1e0 [ 277.482140][ T6967] kobject_add_internal+0x2c8/0x930 [ 277.482230][ T6967] kobject_init_and_add+0x121/0x180 [ 277.482296][ T6967] ? __pfx_kobject_init_and_add+0x10/0x10 [ 277.482366][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.482415][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.482463][ T6967] ? lockdep_init_map_type+0x5c/0x250 [ 277.482520][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.482569][ T6967] ? lockdep_init_map_type+0x5c/0x250 [ 277.482633][ T6967] gfs2_sys_fs_add+0x209/0x410 [ 277.482681][ T6967] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 277.482736][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.482790][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.482840][ T6967] ? alloc_workqueue_noprof+0xe1/0x130 [ 277.482914][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.482977][ T6967] gfs2_fill_super+0x1438/0x2ce0 [ 277.483031][ T6967] ? __pfx_vsnprintf+0x10/0x10 [ 277.483092][ T6967] ? __pfx_gfs2_fill_super+0x10/0x10 [ 277.483144][ T6967] ? __pfx_snprintf+0x10/0x10 [ 277.483193][ T6967] ? find_held_lock+0x2b/0x80 [ 277.483229][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.483278][ T6967] ? set_blocksize+0x1cf/0x460 [ 277.483317][ T6967] ? setup_bdev_super+0x4b6/0x770 [ 277.483373][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.483422][ T6967] ? sb_set_blocksize+0x1f6/0x290 [ 277.483473][ T6967] ? get_tree_bdev_flags+0x38c/0x620 [ 277.483526][ T6967] get_tree_bdev_flags+0x38c/0x620 [ 277.483580][ T6967] ? __pfx_gfs2_fill_super+0x10/0x10 [ 277.483637][ T6967] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 277.483697][ T6967] ? rcu_is_watching+0x13/0xc0 [ 277.483746][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.483795][ T6967] ? apparmor_capable+0x1d7/0x4d0 [ 277.483848][ T6967] gfs2_get_tree+0x4e/0x280 [ 277.483904][ T6967] vfs_get_tree+0x92/0x320 [ 277.483946][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.483998][ T6967] path_mount+0x7d0/0x2850 [ 277.484054][ T6967] ? __pfx_path_mount+0x10/0x10 [ 277.484096][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.484146][ T6967] ? lockdep_hardirqs_on+0x7d/0x110 [ 277.484197][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.484246][ T6967] ? kmem_cache_free+0x127/0x6c0 [ 277.484305][ T6967] ? __x64_sys_mount+0x293/0x310 [ 277.484350][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.484399][ T6967] __x64_sys_mount+0x293/0x310 [ 277.484448][ T6967] ? __pfx___x64_sys_mount+0x10/0x10 [ 277.484501][ T6967] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.484559][ T6967] do_syscall_64+0x123/0x790 [ 277.484610][ T6967] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.484653][ T6967] RIP: 0033:0x7f39b819f10a [ 277.484685][ T6967] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 277.484733][ T6967] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 277.484771][ T6967] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 277.484798][ T6967] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 277.484825][ T6967] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 277.484852][ T6967] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 277.484879][ T6967] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 277.484932][ T6967] [ 277.520439][ T6967] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 277.520481][ T6967] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 277.777128][ T4947] Bluetooth: hci0: command 0x0406 tx timeout [ 278.210127][ T6971] loop1: detected capacity change from 0 to 32768 [ 278.221603][ T6971] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 278.221638][ T6971] CPU: 1 UID: 0 PID: 6971 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full) [ 278.221687][ T6971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 278.221712][ T6971] Call Trace: [ 278.221735][ T6971] [ 278.221751][ T6971] dump_stack_lvl+0x100/0x190 [ 278.221821][ T6971] sysfs_warn_dup.cold+0x1c/0x28 [ 278.221887][ T6971] sysfs_create_dir_ns+0x24b/0x2b0 [ 278.221941][ T6971] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 278.221989][ T6971] ? find_held_lock+0x2b/0x80 [ 278.222029][ T6971] ? kobject_add_internal+0x25f/0x930 [ 278.222094][ T6971] ? kobject_add_internal+0x25f/0x930 [ 278.222160][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.222229][ T6971] ? do_raw_spin_unlock+0x145/0x1e0 [ 278.222295][ T6971] kobject_add_internal+0x2c8/0x930 [ 278.222365][ T6971] kobject_init_and_add+0x121/0x180 [ 278.222431][ T6971] ? __pfx_kobject_init_and_add+0x10/0x10 [ 278.222502][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.222552][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.222602][ T6971] ? lockdep_init_map_type+0x5c/0x250 [ 278.222659][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.222709][ T6971] ? lockdep_init_map_type+0x5c/0x250 [ 278.222787][ T6971] gfs2_sys_fs_add+0x209/0x410 [ 278.222837][ T6971] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 278.222881][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.222936][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.222984][ T6971] ? alloc_workqueue_noprof+0xe1/0x130 [ 278.223059][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.223122][ T6971] gfs2_fill_super+0x1438/0x2ce0 [ 278.223176][ T6971] ? __pfx_vsnprintf+0x10/0x10 [ 278.223236][ T6971] ? __pfx_gfs2_fill_super+0x10/0x10 [ 278.223290][ T6971] ? __pfx_snprintf+0x10/0x10 [ 278.223339][ T6971] ? find_held_lock+0x2b/0x80 [ 278.223378][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.223427][ T6971] ? set_blocksize+0x1cf/0x460 [ 278.223467][ T6971] ? setup_bdev_super+0x4b6/0x770 [ 278.223524][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.223575][ T6971] ? sb_set_blocksize+0x1f6/0x290 [ 278.223626][ T6971] ? get_tree_bdev_flags+0x38c/0x620 [ 278.223679][ T6971] get_tree_bdev_flags+0x38c/0x620 [ 278.223738][ T6971] ? __pfx_gfs2_fill_super+0x10/0x10 [ 278.223795][ T6971] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 278.223855][ T6971] ? rcu_is_watching+0x13/0xc0 [ 278.223896][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.223946][ T6971] ? apparmor_capable+0x1d7/0x4d0 [ 278.223998][ T6971] gfs2_get_tree+0x4e/0x280 [ 278.224055][ T6971] vfs_get_tree+0x92/0x320 [ 278.224098][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.224151][ T6971] path_mount+0x7d0/0x2850 [ 278.224208][ T6971] ? __pfx_path_mount+0x10/0x10 [ 278.224252][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.224302][ T6971] ? lockdep_hardirqs_on+0x7d/0x110 [ 278.224354][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.224403][ T6971] ? kmem_cache_free+0x127/0x6c0 [ 278.224470][ T6971] ? __x64_sys_mount+0x293/0x310 [ 278.224515][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.224563][ T6971] __x64_sys_mount+0x293/0x310 [ 278.224612][ T6971] ? __pfx___x64_sys_mount+0x10/0x10 [ 278.224664][ T6971] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.224723][ T6971] do_syscall_64+0x123/0x790 [ 278.224784][ T6971] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.224828][ T6971] RIP: 0033:0x7f39b819f10a [ 278.224861][ T6971] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 278.224902][ T6971] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 278.224941][ T6971] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 278.224970][ T6971] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 278.224997][ T6971] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 278.225025][ T6971] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 278.225052][ T6971] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 278.225106][ T6971] [ 278.336178][ T6971] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 278.336214][ T6971] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 278.995062][ T6975] loop1: detected capacity change from 0 to 32768 [ 279.002943][ T6975] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 279.002977][ T6975] CPU: 1 UID: 0 PID: 6975 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) [ 279.003024][ T6975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 279.003049][ T6975] Call Trace: [ 279.003062][ T6975] [ 279.003078][ T6975] dump_stack_lvl+0x100/0x190 [ 279.003148][ T6975] sysfs_warn_dup.cold+0x1c/0x28 [ 279.003212][ T6975] sysfs_create_dir_ns+0x24b/0x2b0 [ 279.003269][ T6975] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 279.003318][ T6975] ? find_held_lock+0x2b/0x80 [ 279.003358][ T6975] ? kobject_add_internal+0x25f/0x930 [ 279.003423][ T6975] ? kobject_add_internal+0x25f/0x930 [ 279.003489][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.003540][ T6975] ? do_raw_spin_unlock+0x145/0x1e0 [ 279.003606][ T6975] kobject_add_internal+0x2c8/0x930 [ 279.003678][ T6975] kobject_init_and_add+0x121/0x180 [ 279.003751][ T6975] ? __pfx_kobject_init_and_add+0x10/0x10 [ 279.003823][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.003873][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.003922][ T6975] ? lockdep_init_map_type+0x5c/0x250 [ 279.003978][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.004027][ T6975] ? lockdep_init_map_type+0x5c/0x250 [ 279.004092][ T6975] gfs2_sys_fs_add+0x209/0x410 [ 279.004139][ T6975] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 279.004184][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.004239][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.004290][ T6975] ? alloc_workqueue_noprof+0xe1/0x130 [ 279.004365][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.004428][ T6975] gfs2_fill_super+0x1438/0x2ce0 [ 279.004483][ T6975] ? __pfx_vsnprintf+0x10/0x10 [ 279.004544][ T6975] ? __pfx_gfs2_fill_super+0x10/0x10 [ 279.004599][ T6975] ? __pfx_snprintf+0x10/0x10 [ 279.004648][ T6975] ? find_held_lock+0x2b/0x80 [ 279.004686][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.004742][ T6975] ? set_blocksize+0x1cf/0x460 [ 279.004781][ T6975] ? setup_bdev_super+0x4b6/0x770 [ 279.004837][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.004886][ T6975] ? sb_set_blocksize+0x1f6/0x290 [ 279.004939][ T6975] ? get_tree_bdev_flags+0x38c/0x620 [ 279.004993][ T6975] get_tree_bdev_flags+0x38c/0x620 [ 279.005047][ T6975] ? __pfx_gfs2_fill_super+0x10/0x10 [ 279.005105][ T6975] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 279.005166][ T6975] ? rcu_is_watching+0x13/0xc0 [ 279.005208][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.005257][ T6975] ? apparmor_capable+0x1d7/0x4d0 [ 279.005309][ T6975] gfs2_get_tree+0x4e/0x280 [ 279.005366][ T6975] vfs_get_tree+0x92/0x320 [ 279.005407][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.005459][ T6975] path_mount+0x7d0/0x2850 [ 279.005515][ T6975] ? __pfx_path_mount+0x10/0x10 [ 279.005559][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.005608][ T6975] ? lockdep_hardirqs_on+0x7d/0x110 [ 279.005660][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.005710][ T6975] ? kmem_cache_free+0x127/0x6c0 [ 279.005776][ T6975] ? __x64_sys_mount+0x293/0x310 [ 279.005823][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.005872][ T6975] __x64_sys_mount+0x293/0x310 [ 279.005922][ T6975] ? __pfx___x64_sys_mount+0x10/0x10 [ 279.005976][ T6975] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.006034][ T6975] do_syscall_64+0x123/0x790 [ 279.006086][ T6975] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 279.006129][ T6975] RIP: 0033:0x7f39b819f10a [ 279.006161][ T6975] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 279.006201][ T6975] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 279.006239][ T6975] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 279.006266][ T6975] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 279.006294][ T6975] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 279.006320][ T6975] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 279.006347][ T6975] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 279.006400][ T6975] [ 279.015658][ T6975] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 279.015691][ T6975] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 279.710864][ T6979] loop1: detected capacity change from 0 to 32768 [ 279.724640][ T6979] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 279.724674][ T6979] CPU: 1 UID: 0 PID: 6979 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) [ 279.724722][ T6979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 279.724755][ T6979] Call Trace: [ 279.724768][ T6979] [ 279.724784][ T6979] dump_stack_lvl+0x100/0x190 [ 279.724856][ T6979] sysfs_warn_dup.cold+0x1c/0x28 [ 279.724922][ T6979] sysfs_create_dir_ns+0x24b/0x2b0 [ 279.724973][ T6979] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 279.725021][ T6979] ? find_held_lock+0x2b/0x80 [ 279.725060][ T6979] ? kobject_add_internal+0x25f/0x930 [ 279.725123][ T6979] ? kobject_add_internal+0x25f/0x930 [ 279.725189][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.725238][ T6979] ? do_raw_spin_unlock+0x145/0x1e0 [ 279.725304][ T6979] kobject_add_internal+0x2c8/0x930 [ 279.725375][ T6979] kobject_init_and_add+0x121/0x180 [ 279.725442][ T6979] ? __pfx_kobject_init_and_add+0x10/0x10 [ 279.725513][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.725562][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.725611][ T6979] ? lockdep_init_map_type+0x5c/0x250 [ 279.725668][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.725716][ T6979] ? lockdep_init_map_type+0x5c/0x250 [ 279.725786][ T6979] gfs2_sys_fs_add+0x209/0x410 [ 279.725833][ T6979] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 279.725877][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.725932][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.725980][ T6979] ? alloc_workqueue_noprof+0xe1/0x130 [ 279.726055][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.726118][ T6979] gfs2_fill_super+0x1438/0x2ce0 [ 279.726173][ T6979] ? __pfx_vsnprintf+0x10/0x10 [ 279.726233][ T6979] ? __pfx_gfs2_fill_super+0x10/0x10 [ 279.726287][ T6979] ? __pfx_snprintf+0x10/0x10 [ 279.726336][ T6979] ? find_held_lock+0x2b/0x80 [ 279.726374][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.726423][ T6979] ? set_blocksize+0x1cf/0x460 [ 279.726462][ T6979] ? setup_bdev_super+0x4b6/0x770 [ 279.726519][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.726568][ T6979] ? sb_set_blocksize+0x1f6/0x290 [ 279.726620][ T6979] ? get_tree_bdev_flags+0x38c/0x620 [ 279.726671][ T6979] get_tree_bdev_flags+0x38c/0x620 [ 279.726724][ T6979] ? __pfx_gfs2_fill_super+0x10/0x10 [ 279.726786][ T6979] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 279.726847][ T6979] ? rcu_is_watching+0x13/0xc0 [ 279.726888][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.726936][ T6979] ? apparmor_capable+0x1d7/0x4d0 [ 279.726989][ T6979] gfs2_get_tree+0x4e/0x280 [ 279.727049][ T6979] vfs_get_tree+0x92/0x320 [ 279.727090][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.727145][ T6979] path_mount+0x7d0/0x2850 [ 279.727200][ T6979] ? __pfx_path_mount+0x10/0x10 [ 279.727244][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.727292][ T6979] ? lockdep_hardirqs_on+0x7d/0x110 [ 279.727344][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.727392][ T6979] ? kmem_cache_free+0x127/0x6c0 [ 279.727450][ T6979] ? __x64_sys_mount+0x293/0x310 [ 279.727494][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.727542][ T6979] __x64_sys_mount+0x293/0x310 [ 279.727590][ T6979] ? __pfx___x64_sys_mount+0x10/0x10 [ 279.727643][ T6979] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.727701][ T6979] do_syscall_64+0x123/0x790 [ 279.727760][ T6979] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 279.727802][ T6979] RIP: 0033:0x7f39b819f10a [ 279.727835][ T6979] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 279.727875][ T6979] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 279.727913][ T6979] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 279.727940][ T6979] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 279.727969][ T6979] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 279.727996][ T6979] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 279.728023][ T6979] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 279.728076][ T6979] [ 279.729155][ T6979] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 279.729189][ T6979] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 280.427849][ T6983] loop1: detected capacity change from 0 to 32768 [ 280.441483][ T6983] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 280.441517][ T6983] CPU: 1 UID: 0 PID: 6983 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) [ 280.441564][ T6983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 280.441589][ T6983] Call Trace: [ 280.441603][ T6983] [ 280.441618][ T6983] dump_stack_lvl+0x100/0x190 [ 280.441687][ T6983] sysfs_warn_dup.cold+0x1c/0x28 [ 280.441765][ T6983] sysfs_create_dir_ns+0x24b/0x2b0 [ 280.441817][ T6983] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 280.441866][ T6983] ? find_held_lock+0x2b/0x80 [ 280.441906][ T6983] ? kobject_add_internal+0x25f/0x930 [ 280.441970][ T6983] ? kobject_add_internal+0x25f/0x930 [ 280.442037][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.442087][ T6983] ? do_raw_spin_unlock+0x145/0x1e0 [ 280.442152][ T6983] kobject_add_internal+0x2c8/0x930 [ 280.442241][ T6983] kobject_init_and_add+0x121/0x180 [ 280.442306][ T6983] ? __pfx_kobject_init_and_add+0x10/0x10 [ 280.442378][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.442428][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.442478][ T6983] ? lockdep_init_map_type+0x5c/0x250 [ 280.442535][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.442585][ T6983] ? lockdep_init_map_type+0x5c/0x250 [ 280.442649][ T6983] gfs2_sys_fs_add+0x209/0x410 [ 280.442701][ T6983] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 280.442750][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.442804][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.442853][ T6983] ? alloc_workqueue_noprof+0xe1/0x130 [ 280.442928][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.442993][ T6983] gfs2_fill_super+0x1438/0x2ce0 [ 280.443048][ T6983] ? __pfx_vsnprintf+0x10/0x10 [ 280.443109][ T6983] ? __pfx_gfs2_fill_super+0x10/0x10 [ 280.443164][ T6983] ? __pfx_snprintf+0x10/0x10 [ 280.443215][ T6983] ? find_held_lock+0x2b/0x80 [ 280.443253][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.443302][ T6983] ? set_blocksize+0x1cf/0x460 [ 280.443342][ T6983] ? setup_bdev_super+0x4b6/0x770 [ 280.443398][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.443447][ T6983] ? sb_set_blocksize+0x1f6/0x290 [ 280.443498][ T6983] ? get_tree_bdev_flags+0x38c/0x620 [ 280.443550][ T6983] get_tree_bdev_flags+0x38c/0x620 [ 280.443604][ T6983] ? __pfx_gfs2_fill_super+0x10/0x10 [ 280.443662][ T6983] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 280.443724][ T6983] ? rcu_is_watching+0x13/0xc0 [ 280.443773][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.443823][ T6983] ? apparmor_capable+0x1d7/0x4d0 [ 280.443875][ T6983] gfs2_get_tree+0x4e/0x280 [ 280.443933][ T6983] vfs_get_tree+0x92/0x320 [ 280.443975][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.444027][ T6983] path_mount+0x7d0/0x2850 [ 280.444084][ T6983] ? __pfx_path_mount+0x10/0x10 [ 280.444129][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.444177][ T6983] ? lockdep_hardirqs_on+0x7d/0x110 [ 280.444228][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.444276][ T6983] ? kmem_cache_free+0x127/0x6c0 [ 280.444336][ T6983] ? __x64_sys_mount+0x293/0x310 [ 280.444382][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.444431][ T6983] __x64_sys_mount+0x293/0x310 [ 280.444481][ T6983] ? __pfx___x64_sys_mount+0x10/0x10 [ 280.444540][ T6983] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.444599][ T6983] do_syscall_64+0x123/0x790 [ 280.444651][ T6983] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.444695][ T6983] RIP: 0033:0x7f39b819f10a [ 280.444727][ T6983] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 280.444775][ T6983] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 280.444815][ T6983] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 280.444843][ T6983] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 280.444871][ T6983] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 280.444898][ T6983] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 280.444925][ T6983] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 280.444977][ T6983] [ 280.523009][ T6983] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 280.523046][ T6983] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 281.218597][ T6987] loop1: detected capacity change from 0 to 32768 [ 281.236561][ T6987] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 281.236596][ T6987] CPU: 0 UID: 0 PID: 6987 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) [ 281.236643][ T6987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 281.236668][ T6987] Call Trace: [ 281.236681][ T6987] [ 281.236696][ T6987] dump_stack_lvl+0x100/0x190 [ 281.236762][ T6987] sysfs_warn_dup.cold+0x1c/0x28 [ 281.236826][ T6987] sysfs_create_dir_ns+0x24b/0x2b0 [ 281.236875][ T6987] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 281.236921][ T6987] ? find_held_lock+0x2b/0x80 [ 281.236959][ T6987] ? kobject_add_internal+0x25f/0x930 [ 281.237020][ T6987] ? kobject_add_internal+0x25f/0x930 [ 281.237083][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 2026/10/30 06:37:26 executed programs: 144 [ 281.237130][ T6987] ? do_raw_spin_unlock+0x145/0x1e0 [ 281.237195][ T6987] kobject_add_internal+0x2c8/0x930 [ 281.237271][ T6987] kobject_init_and_add+0x121/0x180 [ 281.237336][ T6987] ? __pfx_kobject_init_and_add+0x10/0x10 [ 281.237405][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.237453][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.237504][ T6987] ? lockdep_init_map_type+0x5c/0x250 [ 281.237556][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.237600][ T6987] ? lockdep_init_map_type+0x5c/0x250 [ 281.237658][ T6987] gfs2_sys_fs_add+0x209/0x410 [ 281.237701][ T6987] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 281.237741][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.237791][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.237835][ T6987] ? alloc_workqueue_noprof+0xe1/0x130 [ 281.237903][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.237959][ T6987] gfs2_fill_super+0x1438/0x2ce0 [ 281.238008][ T6987] ? __pfx_vsnprintf+0x10/0x10 [ 281.238063][ T6987] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.238111][ T6987] ? __pfx_snprintf+0x10/0x10 [ 281.238156][ T6987] ? find_held_lock+0x2b/0x80 [ 281.238190][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.238238][ T6987] ? set_blocksize+0x1cf/0x460 [ 281.238274][ T6987] ? setup_bdev_super+0x4b6/0x770 [ 281.238325][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.238369][ T6987] ? sb_set_blocksize+0x1f6/0x290 [ 281.238416][ T6987] ? get_tree_bdev_flags+0x38c/0x620 [ 281.238464][ T6987] get_tree_bdev_flags+0x38c/0x620 [ 281.238512][ T6987] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.238563][ T6987] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 281.238618][ T6987] ? rcu_is_watching+0x13/0xc0 [ 281.238656][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.238700][ T6987] ? apparmor_capable+0x1d7/0x4d0 [ 281.238750][ T6987] gfs2_get_tree+0x4e/0x280 [ 281.238804][ T6987] vfs_get_tree+0x92/0x320 [ 281.238841][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.238888][ T6987] path_mount+0x7d0/0x2850 [ 281.238939][ T6987] ? __pfx_path_mount+0x10/0x10 [ 281.238978][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.239022][ T6987] ? lockdep_hardirqs_on+0x7d/0x110 [ 281.239069][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.239113][ T6987] ? kmem_cache_free+0x127/0x6c0 [ 281.239166][ T6987] ? __x64_sys_mount+0x293/0x310 [ 281.239207][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.239255][ T6987] __x64_sys_mount+0x293/0x310 [ 281.239299][ T6987] ? __pfx___x64_sys_mount+0x10/0x10 [ 281.239347][ T6987] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.239399][ T6987] do_syscall_64+0x123/0x790 [ 281.239446][ T6987] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.239484][ T6987] RIP: 0033:0x7f39b819f10a [ 281.239514][ T6987] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 281.239550][ T6987] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 281.239584][ T6987] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 281.239609][ T6987] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 281.239634][ T6987] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 281.239658][ T6987] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 281.239682][ T6987] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 281.239729][ T6987] [ 281.239793][ T6987] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 281.239826][ T6987] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 281.944228][ T6991] loop1: detected capacity change from 0 to 32768 [ 281.948780][ T6991] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 281.948812][ T6991] CPU: 0 UID: 0 PID: 6991 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) [ 281.948858][ T6991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 281.948883][ T6991] Call Trace: [ 281.948897][ T6991] [ 281.948912][ T6991] dump_stack_lvl+0x100/0x190 [ 281.948978][ T6991] sysfs_warn_dup.cold+0x1c/0x28 [ 281.949042][ T6991] sysfs_create_dir_ns+0x24b/0x2b0 [ 281.949092][ T6991] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 281.949139][ T6991] ? find_held_lock+0x2b/0x80 [ 281.949178][ T6991] ? kobject_add_internal+0x25f/0x930 [ 281.949247][ T6991] ? kobject_add_internal+0x25f/0x930 [ 281.949311][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.949359][ T6991] ? do_raw_spin_unlock+0x145/0x1e0 [ 281.949424][ T6991] kobject_add_internal+0x2c8/0x930 [ 281.949493][ T6991] kobject_init_and_add+0x121/0x180 [ 281.949557][ T6991] ? __pfx_kobject_init_and_add+0x10/0x10 [ 281.949625][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.949672][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.949719][ T6991] ? lockdep_init_map_type+0x5c/0x250 [ 281.949775][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.949823][ T6991] ? lockdep_init_map_type+0x5c/0x250 [ 281.949887][ T6991] gfs2_sys_fs_add+0x209/0x410 [ 281.949934][ T6991] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 281.949978][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.950038][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.950086][ T6991] ? alloc_workqueue_noprof+0xe1/0x130 [ 281.950158][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.950220][ T6991] gfs2_fill_super+0x1438/0x2ce0 [ 281.950282][ T6991] ? __pfx_vsnprintf+0x10/0x10 [ 281.950341][ T6991] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.950393][ T6991] ? __pfx_snprintf+0x10/0x10 [ 281.950442][ T6991] ? find_held_lock+0x2b/0x80 [ 281.950484][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.950533][ T6991] ? set_blocksize+0x1cf/0x460 [ 281.950572][ T6991] ? setup_bdev_super+0x4b6/0x770 [ 281.950628][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.950677][ T6991] ? sb_set_blocksize+0x1f6/0x290 [ 281.950729][ T6991] ? get_tree_bdev_flags+0x38c/0x620 [ 281.950782][ T6991] get_tree_bdev_flags+0x38c/0x620 [ 281.950834][ T6991] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.950891][ T6991] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 281.950952][ T6991] ? rcu_is_watching+0x13/0xc0 [ 281.950993][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.951042][ T6991] ? apparmor_capable+0x1d7/0x4d0 [ 281.951094][ T6991] gfs2_get_tree+0x4e/0x280 [ 281.951149][ T6991] vfs_get_tree+0x92/0x320 [ 281.951189][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.951247][ T6991] path_mount+0x7d0/0x2850 [ 281.951302][ T6991] ? __pfx_path_mount+0x10/0x10 [ 281.951346][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.951396][ T6991] ? lockdep_hardirqs_on+0x7d/0x110 [ 281.951447][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.951495][ T6991] ? kmem_cache_free+0x127/0x6c0 [ 281.951555][ T6991] ? __x64_sys_mount+0x293/0x310 [ 281.951600][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.951649][ T6991] __x64_sys_mount+0x293/0x310 [ 281.951697][ T6991] ? __pfx___x64_sys_mount+0x10/0x10 [ 281.951750][ T6991] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.951807][ T6991] do_syscall_64+0x123/0x790 [ 281.951858][ T6991] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.951899][ T6991] RIP: 0033:0x7f39b819f10a [ 281.951932][ T6991] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 281.951971][ T6991] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 281.952008][ T6991] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 281.952036][ T6991] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 281.952063][ T6991] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 281.952090][ T6991] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 281.952117][ T6991] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 281.952170][ T6991] [ 281.952271][ T6991] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 281.952304][ T6991] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 282.691621][ T6995] loop1: detected capacity change from 0 to 32768 [ 282.707575][ T6995] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 282.707608][ T6995] CPU: 1 UID: 0 PID: 6995 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) [ 282.707655][ T6995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 282.707681][ T6995] Call Trace: [ 282.707694][ T6995] [ 282.707709][ T6995] dump_stack_lvl+0x100/0x190 [ 282.707784][ T6995] sysfs_warn_dup.cold+0x1c/0x28 [ 282.707851][ T6995] sysfs_create_dir_ns+0x24b/0x2b0 [ 282.707902][ T6995] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 282.707949][ T6995] ? find_held_lock+0x2b/0x80 [ 282.707988][ T6995] ? kobject_add_internal+0x25f/0x930 [ 282.708052][ T6995] ? kobject_add_internal+0x25f/0x930 [ 282.708117][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.708166][ T6995] ? do_raw_spin_unlock+0x145/0x1e0 [ 282.708236][ T6995] kobject_add_internal+0x2c8/0x930 [ 282.708307][ T6995] kobject_init_and_add+0x121/0x180 [ 282.708373][ T6995] ? __pfx_kobject_init_and_add+0x10/0x10 [ 282.708445][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.708493][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.708542][ T6995] ? lockdep_init_map_type+0x5c/0x250 [ 282.708599][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.708648][ T6995] ? lockdep_init_map_type+0x5c/0x250 [ 282.708712][ T6995] gfs2_sys_fs_add+0x209/0x410 [ 282.708768][ T6995] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 282.708813][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.708868][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.708917][ T6995] ? alloc_workqueue_noprof+0xe1/0x130 [ 282.708992][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.709059][ T6995] gfs2_fill_super+0x1438/0x2ce0 [ 282.709116][ T6995] ? __pfx_vsnprintf+0x10/0x10 [ 282.709177][ T6995] ? __pfx_gfs2_fill_super+0x10/0x10 [ 282.709231][ T6995] ? __pfx_snprintf+0x10/0x10 [ 282.709281][ T6995] ? find_held_lock+0x2b/0x80 [ 282.709320][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.709368][ T6995] ? set_blocksize+0x1cf/0x460 [ 282.709407][ T6995] ? setup_bdev_super+0x4b6/0x770 [ 282.709464][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.709514][ T6995] ? sb_set_blocksize+0x1f6/0x290 [ 282.709565][ T6995] ? get_tree_bdev_flags+0x38c/0x620 [ 282.709617][ T6995] get_tree_bdev_flags+0x38c/0x620 [ 282.709670][ T6995] ? __pfx_gfs2_fill_super+0x10/0x10 [ 282.709727][ T6995] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 282.709797][ T6995] ? rcu_is_watching+0x13/0xc0 [ 282.709839][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.709888][ T6995] ? apparmor_capable+0x1d7/0x4d0 [ 282.709943][ T6995] gfs2_get_tree+0x4e/0x280 [ 282.709999][ T6995] vfs_get_tree+0x92/0x320 [ 282.710042][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.710096][ T6995] path_mount+0x7d0/0x2850 [ 282.710152][ T6995] ? __pfx_path_mount+0x10/0x10 [ 282.710196][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.710246][ T6995] ? lockdep_hardirqs_on+0x7d/0x110 [ 282.710298][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.710346][ T6995] ? kmem_cache_free+0x127/0x6c0 [ 282.710405][ T6995] ? __x64_sys_mount+0x293/0x310 [ 282.710450][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.710499][ T6995] __x64_sys_mount+0x293/0x310 [ 282.710548][ T6995] ? __pfx___x64_sys_mount+0x10/0x10 [ 282.710602][ T6995] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.710662][ T6995] do_syscall_64+0x123/0x790 [ 282.710715][ T6995] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.710765][ T6995] RIP: 0033:0x7f39b819f10a [ 282.710798][ T6995] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 282.710838][ T6995] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 282.710876][ T6995] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 282.710905][ T6995] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 282.710932][ T6995] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 282.710959][ T6995] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 282.710986][ T6995] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 282.711039][ T6995] [ 282.711103][ T6995] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 282.711135][ T6995] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 283.429678][ T6999] loop1: detected capacity change from 0 to 32768 [ 283.443180][ T6999] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 283.443213][ T6999] CPU: 1 UID: 0 PID: 6999 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) [ 283.443261][ T6999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 283.443286][ T6999] Call Trace: [ 283.443299][ T6999] [ 283.443314][ T6999] dump_stack_lvl+0x100/0x190 [ 283.443381][ T6999] sysfs_warn_dup.cold+0x1c/0x28 [ 283.443447][ T6999] sysfs_create_dir_ns+0x24b/0x2b0 [ 283.443502][ T6999] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 283.443551][ T6999] ? find_held_lock+0x2b/0x80 [ 283.443591][ T6999] ? kobject_add_internal+0x25f/0x930 [ 283.443655][ T6999] ? kobject_add_internal+0x25f/0x930 [ 283.443722][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.443780][ T6999] ? do_raw_spin_unlock+0x145/0x1e0 [ 283.443847][ T6999] kobject_add_internal+0x2c8/0x930 [ 283.443919][ T6999] kobject_init_and_add+0x121/0x180 [ 283.443985][ T6999] ? __pfx_kobject_init_and_add+0x10/0x10 [ 283.444055][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.444105][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.444155][ T6999] ? lockdep_init_map_type+0x5c/0x250 [ 283.444212][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.444262][ T6999] ? lockdep_init_map_type+0x5c/0x250 [ 283.444327][ T6999] gfs2_sys_fs_add+0x209/0x410 [ 283.444375][ T6999] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 283.444421][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.444476][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.444526][ T6999] ? alloc_workqueue_noprof+0xe1/0x130 [ 283.444601][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.444663][ T6999] gfs2_fill_super+0x1438/0x2ce0 [ 283.444716][ T6999] ? __pfx_vsnprintf+0x10/0x10 [ 283.444786][ T6999] ? __pfx_gfs2_fill_super+0x10/0x10 [ 283.444840][ T6999] ? __pfx_snprintf+0x10/0x10 [ 283.444890][ T6999] ? find_held_lock+0x2b/0x80 [ 283.444929][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.444979][ T6999] ? set_blocksize+0x1cf/0x460 [ 283.445018][ T6999] ? setup_bdev_super+0x4b6/0x770 [ 283.445076][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.445126][ T6999] ? sb_set_blocksize+0x1f6/0x290 [ 283.445178][ T6999] ? get_tree_bdev_flags+0x38c/0x620 [ 283.445231][ T6999] get_tree_bdev_flags+0x38c/0x620 [ 283.445285][ T6999] ? __pfx_gfs2_fill_super+0x10/0x10 [ 283.445343][ T6999] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 283.445403][ T6999] ? rcu_is_watching+0x13/0xc0 [ 283.445443][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.445491][ T6999] ? apparmor_capable+0x1d7/0x4d0 [ 283.445544][ T6999] gfs2_get_tree+0x4e/0x280 [ 283.445600][ T6999] vfs_get_tree+0x92/0x320 [ 283.445642][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.445696][ T6999] path_mount+0x7d0/0x2850 [ 283.445762][ T6999] ? __pfx_path_mount+0x10/0x10 [ 283.445807][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.445856][ T6999] ? lockdep_hardirqs_on+0x7d/0x110 [ 283.445909][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.445959][ T6999] ? kmem_cache_free+0x127/0x6c0 [ 283.446017][ T6999] ? __x64_sys_mount+0x293/0x310 [ 283.446061][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.446110][ T6999] __x64_sys_mount+0x293/0x310 [ 283.446158][ T6999] ? __pfx___x64_sys_mount+0x10/0x10 [ 283.446211][ T6999] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.446270][ T6999] do_syscall_64+0x123/0x790 [ 283.446321][ T6999] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.446365][ T6999] RIP: 0033:0x7f39b819f10a [ 283.446398][ T6999] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 283.446439][ T6999] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 283.446476][ T6999] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 283.446504][ T6999] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 283.446532][ T6999] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 283.446559][ T6999] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 283.446586][ T6999] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 283.446640][ T6999] [ 283.526990][ T6999] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 283.527030][ T6999] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 284.221664][ T7003] loop1: detected capacity change from 0 to 32768 [ 284.234549][ T7003] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 284.234582][ T7003] CPU: 1 UID: 0 PID: 7003 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) [ 284.234631][ T7003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 284.234655][ T7003] Call Trace: [ 284.234668][ T7003] [ 284.234684][ T7003] dump_stack_lvl+0x100/0x190 [ 284.234758][ T7003] sysfs_warn_dup.cold+0x1c/0x28 [ 284.234823][ T7003] sysfs_create_dir_ns+0x24b/0x2b0 [ 284.234875][ T7003] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 284.234924][ T7003] ? find_held_lock+0x2b/0x80 [ 284.234964][ T7003] ? kobject_add_internal+0x25f/0x930 [ 284.235029][ T7003] ? kobject_add_internal+0x25f/0x930 [ 284.235096][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.235146][ T7003] ? do_raw_spin_unlock+0x145/0x1e0 [ 284.235213][ T7003] kobject_add_internal+0x2c8/0x930 [ 284.235284][ T7003] kobject_init_and_add+0x121/0x180 [ 284.235351][ T7003] ? __pfx_kobject_init_and_add+0x10/0x10 [ 284.235422][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.235471][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.235519][ T7003] ? lockdep_init_map_type+0x5c/0x250 [ 284.235575][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.235625][ T7003] ? lockdep_init_map_type+0x5c/0x250 [ 284.235690][ T7003] gfs2_sys_fs_add+0x209/0x410 [ 284.235748][ T7003] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 284.235797][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.235853][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.235902][ T7003] ? alloc_workqueue_noprof+0xe1/0x130 [ 284.235976][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.236039][ T7003] gfs2_fill_super+0x1438/0x2ce0 [ 284.236095][ T7003] ? __pfx_vsnprintf+0x10/0x10 [ 284.236154][ T7003] ? __pfx_gfs2_fill_super+0x10/0x10 [ 284.236209][ T7003] ? __pfx_snprintf+0x10/0x10 [ 284.236258][ T7003] ? find_held_lock+0x2b/0x80 [ 284.236295][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.236344][ T7003] ? set_blocksize+0x1cf/0x460 [ 284.236383][ T7003] ? setup_bdev_super+0x4b6/0x770 [ 284.236439][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.236489][ T7003] ? sb_set_blocksize+0x1f6/0x290 [ 284.236541][ T7003] ? get_tree_bdev_flags+0x38c/0x620 [ 284.236595][ T7003] get_tree_bdev_flags+0x38c/0x620 [ 284.236648][ T7003] ? __pfx_gfs2_fill_super+0x10/0x10 [ 284.236706][ T7003] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 284.236773][ T7003] ? rcu_is_watching+0x13/0xc0 [ 284.236814][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.236863][ T7003] ? apparmor_capable+0x1d7/0x4d0 [ 284.236916][ T7003] gfs2_get_tree+0x4e/0x280 [ 284.236973][ T7003] vfs_get_tree+0x92/0x320 [ 284.237014][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.237068][ T7003] path_mount+0x7d0/0x2850 [ 284.237125][ T7003] ? __pfx_path_mount+0x10/0x10 [ 284.237169][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.237219][ T7003] ? lockdep_hardirqs_on+0x7d/0x110 [ 284.237271][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.237321][ T7003] ? kmem_cache_free+0x127/0x6c0 [ 284.237381][ T7003] ? __x64_sys_mount+0x293/0x310 [ 284.237426][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.237476][ T7003] __x64_sys_mount+0x293/0x310 [ 284.237525][ T7003] ? __pfx___x64_sys_mount+0x10/0x10 [ 284.237578][ T7003] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.237635][ T7003] do_syscall_64+0x123/0x790 [ 284.237686][ T7003] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.237728][ T7003] RIP: 0033:0x7f39b819f10a [ 284.237769][ T7003] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 284.237809][ T7003] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 284.237848][ T7003] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 284.237876][ T7003] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 284.237905][ T7003] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 284.237932][ T7003] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 284.237959][ T7003] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 284.238012][ T7003] [ 284.242475][ T7003] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 284.242509][ T7003] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 284.963012][ T7007] loop1: detected capacity change from 0 to 32768 [ 284.975826][ T7007] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 284.975859][ T7007] CPU: 0 UID: 0 PID: 7007 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) [ 284.975905][ T7007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 284.975930][ T7007] Call Trace: [ 284.975943][ T7007] [ 284.975963][ T7007] dump_stack_lvl+0x100/0x190 [ 284.976030][ T7007] sysfs_warn_dup.cold+0x1c/0x28 [ 284.976096][ T7007] sysfs_create_dir_ns+0x24b/0x2b0 [ 284.976145][ T7007] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 284.976192][ T7007] ? find_held_lock+0x2b/0x80 [ 284.976230][ T7007] ? kobject_add_internal+0x25f/0x930 [ 284.976300][ T7007] ? kobject_add_internal+0x25f/0x930 [ 284.976366][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.976416][ T7007] ? do_raw_spin_unlock+0x145/0x1e0 [ 284.976482][ T7007] kobject_add_internal+0x2c8/0x930 [ 284.976552][ T7007] kobject_init_and_add+0x121/0x180 [ 284.976617][ T7007] ? __pfx_kobject_init_and_add+0x10/0x10 [ 284.976688][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.976736][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.976784][ T7007] ? lockdep_init_map_type+0x5c/0x250 [ 284.976840][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.976887][ T7007] ? lockdep_init_map_type+0x5c/0x250 [ 284.976951][ T7007] gfs2_sys_fs_add+0x209/0x410 [ 284.976997][ T7007] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 284.977041][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.977094][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.977142][ T7007] ? alloc_workqueue_noprof+0xe1/0x130 [ 284.977215][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.977280][ T7007] gfs2_fill_super+0x1438/0x2ce0 [ 284.977334][ T7007] ? __pfx_vsnprintf+0x10/0x10 [ 284.977393][ T7007] ? __pfx_gfs2_fill_super+0x10/0x10 [ 284.977446][ T7007] ? __pfx_snprintf+0x10/0x10 [ 284.977495][ T7007] ? find_held_lock+0x2b/0x80 [ 284.977533][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.977581][ T7007] ? set_blocksize+0x1cf/0x460 [ 284.977621][ T7007] ? setup_bdev_super+0x4b6/0x770 [ 284.977677][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.977726][ T7007] ? sb_set_blocksize+0x1f6/0x290 [ 284.977777][ T7007] ? get_tree_bdev_flags+0x38c/0x620 [ 284.977829][ T7007] get_tree_bdev_flags+0x38c/0x620 [ 284.977882][ T7007] ? __pfx_gfs2_fill_super+0x10/0x10 [ 284.977938][ T7007] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 284.977997][ T7007] ? rcu_is_watching+0x13/0xc0 [ 284.978037][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.978085][ T7007] ? apparmor_capable+0x1d7/0x4d0 [ 284.978137][ T7007] gfs2_get_tree+0x4e/0x280 [ 284.978192][ T7007] vfs_get_tree+0x92/0x320 [ 284.978233][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.978291][ T7007] path_mount+0x7d0/0x2850 [ 284.978347][ T7007] ? __pfx_path_mount+0x10/0x10 [ 284.978391][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.978439][ T7007] ? lockdep_hardirqs_on+0x7d/0x110 [ 284.978490][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.978538][ T7007] ? kmem_cache_free+0x127/0x6c0 [ 284.978597][ T7007] ? __x64_sys_mount+0x293/0x310 [ 284.978641][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.978689][ T7007] __x64_sys_mount+0x293/0x310 [ 284.978737][ T7007] ? __pfx___x64_sys_mount+0x10/0x10 [ 284.978789][ T7007] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.978846][ T7007] do_syscall_64+0x123/0x790 [ 284.978896][ T7007] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.978938][ T7007] RIP: 0033:0x7f39b819f10a [ 284.978970][ T7007] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 284.979009][ T7007] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 284.979047][ T7007] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 284.979075][ T7007] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 284.979102][ T7007] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 284.979128][ T7007] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 284.979155][ T7007] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 284.979206][ T7007] [ 284.979422][ T7007] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 284.979457][ T7007] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 285.677364][ T7011] loop1: detected capacity change from 0 to 32768 [ 285.692065][ T7011] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 285.692102][ T7011] CPU: 1 UID: 0 PID: 7011 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) [ 285.692150][ T7011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 285.692176][ T7011] Call Trace: [ 285.692189][ T7011] [ 285.692204][ T7011] dump_stack_lvl+0x100/0x190 [ 285.692274][ T7011] sysfs_warn_dup.cold+0x1c/0x28 [ 285.692342][ T7011] sysfs_create_dir_ns+0x24b/0x2b0 [ 285.692399][ T7011] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 285.692448][ T7011] ? find_held_lock+0x2b/0x80 [ 285.692488][ T7011] ? kobject_add_internal+0x25f/0x930 [ 285.692551][ T7011] ? kobject_add_internal+0x25f/0x930 [ 285.692616][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.692665][ T7011] ? do_raw_spin_unlock+0x145/0x1e0 [ 285.692731][ T7011] kobject_add_internal+0x2c8/0x930 [ 285.692812][ T7011] kobject_init_and_add+0x121/0x180 [ 285.692880][ T7011] ? __pfx_kobject_init_and_add+0x10/0x10 [ 285.692952][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.693002][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.693052][ T7011] ? lockdep_init_map_type+0x5c/0x250 [ 285.693110][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.693158][ T7011] ? lockdep_init_map_type+0x5c/0x250 [ 285.693224][ T7011] gfs2_sys_fs_add+0x209/0x410 [ 285.693272][ T7011] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 285.693316][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.693370][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.693419][ T7011] ? alloc_workqueue_noprof+0xe1/0x130 [ 285.693493][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.693557][ T7011] gfs2_fill_super+0x1438/0x2ce0 [ 285.693613][ T7011] ? __pfx_vsnprintf+0x10/0x10 [ 285.693674][ T7011] ? __pfx_gfs2_fill_super+0x10/0x10 [ 285.693728][ T7011] ? __pfx_snprintf+0x10/0x10 [ 285.693785][ T7011] ? find_held_lock+0x2b/0x80 [ 285.693824][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.693873][ T7011] ? set_blocksize+0x1cf/0x460 [ 285.693912][ T7011] ? setup_bdev_super+0x4b6/0x770 [ 285.693968][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.694016][ T7011] ? sb_set_blocksize+0x1f6/0x290 [ 285.694066][ T7011] ? get_tree_bdev_flags+0x38c/0x620 [ 285.694117][ T7011] get_tree_bdev_flags+0x38c/0x620 [ 285.694169][ T7011] ? __pfx_gfs2_fill_super+0x10/0x10 [ 285.694226][ T7011] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 285.694286][ T7011] ? rcu_is_watching+0x13/0xc0 [ 285.694326][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.694374][ T7011] ? apparmor_capable+0x1d7/0x4d0 [ 285.694426][ T7011] gfs2_get_tree+0x4e/0x280 [ 285.694481][ T7011] vfs_get_tree+0x92/0x320 [ 285.694522][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.694573][ T7011] path_mount+0x7d0/0x2850 [ 285.694629][ T7011] ? __pfx_path_mount+0x10/0x10 [ 285.694672][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.694720][ T7011] ? lockdep_hardirqs_on+0x7d/0x110 [ 285.694779][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.694827][ T7011] ? kmem_cache_free+0x127/0x6c0 [ 285.694886][ T7011] ? __x64_sys_mount+0x293/0x310 [ 285.694930][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.694978][ T7011] __x64_sys_mount+0x293/0x310 [ 285.695027][ T7011] ? __pfx___x64_sys_mount+0x10/0x10 [ 285.695079][ T7011] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.695137][ T7011] do_syscall_64+0x123/0x790 [ 285.695188][ T7011] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.695229][ T7011] RIP: 0033:0x7f39b819f10a [ 285.695261][ T7011] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 285.695301][ T7011] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 285.695339][ T7011] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 285.695366][ T7011] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 285.695393][ T7011] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 285.695419][ T7011] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 285.695446][ T7011] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 285.695498][ T7011] [ 285.766541][ T7011] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 285.766578][ T7011] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 286.429015][ T7015] loop1: detected capacity change from 0 to 32768 [ 286.433790][ T7015] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 286.433823][ T7015] CPU: 0 UID: 0 PID: 7015 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) [ 286.433873][ T7015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 286.433897][ T7015] Call Trace: [ 286.433911][ T7015] [ 286.433927][ T7015] dump_stack_lvl+0x100/0x190 [ 286.433995][ T7015] sysfs_warn_dup.cold+0x1c/0x28 [ 286.434060][ T7015] sysfs_create_dir_ns+0x24b/0x2b0 [ 286.434109][ T7015] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 286.434154][ T7015] ? find_held_lock+0x2b/0x80 [ 286.434192][ T7015] ? kobject_add_internal+0x25f/0x930 [ 286.434262][ T7015] ? kobject_add_internal+0x25f/0x930 [ 286.434327][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.434376][ T7015] ? do_raw_spin_unlock+0x145/0x1e0 [ 286.434442][ T7015] kobject_add_internal+0x2c8/0x930 2026/10/30 06:37:31 executed programs: 151 [ 286.434512][ T7015] kobject_init_and_add+0x121/0x180 [ 286.434575][ T7015] ? __pfx_kobject_init_and_add+0x10/0x10 [ 286.434644][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.434692][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.434740][ T7015] ? lockdep_init_map_type+0x5c/0x250 [ 286.434797][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.434845][ T7015] ? lockdep_init_map_type+0x5c/0x250 [ 286.434902][ T7015] gfs2_sys_fs_add+0x209/0x410 [ 286.434947][ T7015] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 286.434990][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.435043][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.435089][ T7015] ? alloc_workqueue_noprof+0xe1/0x130 [ 286.435160][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.435220][ T7015] gfs2_fill_super+0x1438/0x2ce0 [ 286.435277][ T7015] ? __pfx_vsnprintf+0x10/0x10 [ 286.435336][ T7015] ? __pfx_gfs2_fill_super+0x10/0x10 [ 286.435387][ T7015] ? __pfx_snprintf+0x10/0x10 [ 286.435434][ T7015] ? find_held_lock+0x2b/0x80 [ 286.435471][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.435517][ T7015] ? set_blocksize+0x1cf/0x460 [ 286.435555][ T7015] ? setup_bdev_super+0x4b6/0x770 [ 286.435609][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.435655][ T7015] ? sb_set_blocksize+0x1f6/0x290 [ 286.435705][ T7015] ? get_tree_bdev_flags+0x38c/0x620 [ 286.435755][ T7015] get_tree_bdev_flags+0x38c/0x620 [ 286.435805][ T7015] ? __pfx_gfs2_fill_super+0x10/0x10 [ 286.435860][ T7015] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 286.435918][ T7015] ? rcu_is_watching+0x13/0xc0 [ 286.435957][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.436003][ T7015] ? apparmor_capable+0x1d7/0x4d0 [ 286.436054][ T7015] gfs2_get_tree+0x4e/0x280 [ 286.436107][ T7015] vfs_get_tree+0x92/0x320 [ 286.436147][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.436197][ T7015] path_mount+0x7d0/0x2850 [ 286.436258][ T7015] ? __pfx_path_mount+0x10/0x10 [ 286.436300][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.436347][ T7015] ? lockdep_hardirqs_on+0x7d/0x110 [ 286.436397][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.436443][ T7015] ? kmem_cache_free+0x127/0x6c0 [ 286.436501][ T7015] ? __x64_sys_mount+0x293/0x310 [ 286.436544][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.436590][ T7015] __x64_sys_mount+0x293/0x310 [ 286.436637][ T7015] ? __pfx___x64_sys_mount+0x10/0x10 [ 286.436688][ T7015] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.436743][ T7015] do_syscall_64+0x123/0x790 [ 286.436793][ T7015] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.436834][ T7015] RIP: 0033:0x7f39b819f10a [ 286.436865][ T7015] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 286.436902][ T7015] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 286.436939][ T7015] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 286.436966][ T7015] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 286.436992][ T7015] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 286.437017][ T7015] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 286.437043][ T7015] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 286.437095][ T7015] [ 286.437371][ T7015] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 286.437402][ T7015] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 287.136312][ T7019] loop1: detected capacity change from 0 to 32768 [ 287.144053][ T7019] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 287.144087][ T7019] CPU: 1 UID: 0 PID: 7019 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) [ 287.144135][ T7019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 287.144159][ T7019] Call Trace: [ 287.144172][ T7019] [ 287.144188][ T7019] dump_stack_lvl+0x100/0x190 [ 287.144255][ T7019] sysfs_warn_dup.cold+0x1c/0x28 [ 287.144319][ T7019] sysfs_create_dir_ns+0x24b/0x2b0 [ 287.144369][ T7019] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 287.144417][ T7019] ? find_held_lock+0x2b/0x80 [ 287.144457][ T7019] ? kobject_add_internal+0x25f/0x930 [ 287.144520][ T7019] ? kobject_add_internal+0x25f/0x930 [ 287.144586][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.144634][ T7019] ? do_raw_spin_unlock+0x145/0x1e0 [ 287.144700][ T7019] kobject_add_internal+0x2c8/0x930 [ 287.144779][ T7019] kobject_init_and_add+0x121/0x180 [ 287.144845][ T7019] ? __pfx_kobject_init_and_add+0x10/0x10 [ 287.144917][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.144966][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.145014][ T7019] ? lockdep_init_map_type+0x5c/0x250 [ 287.145069][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.145119][ T7019] ? lockdep_init_map_type+0x5c/0x250 [ 287.145183][ T7019] gfs2_sys_fs_add+0x209/0x410 [ 287.145230][ T7019] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 287.145275][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.145329][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.145378][ T7019] ? alloc_workqueue_noprof+0xe1/0x130 [ 287.145452][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.145515][ T7019] gfs2_fill_super+0x1438/0x2ce0 [ 287.145569][ T7019] ? __pfx_vsnprintf+0x10/0x10 [ 287.145629][ T7019] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.145683][ T7019] ? __pfx_snprintf+0x10/0x10 [ 287.145732][ T7019] ? find_held_lock+0x2b/0x80 [ 287.145776][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.145825][ T7019] ? set_blocksize+0x1cf/0x460 [ 287.145865][ T7019] ? setup_bdev_super+0x4b6/0x770 [ 287.145922][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.145972][ T7019] ? sb_set_blocksize+0x1f6/0x290 [ 287.146022][ T7019] ? get_tree_bdev_flags+0x38c/0x620 [ 287.146074][ T7019] get_tree_bdev_flags+0x38c/0x620 [ 287.146126][ T7019] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.146182][ T7019] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 287.146242][ T7019] ? rcu_is_watching+0x13/0xc0 [ 287.146283][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.146332][ T7019] ? apparmor_capable+0x1d7/0x4d0 [ 287.146385][ T7019] gfs2_get_tree+0x4e/0x280 [ 287.146441][ T7019] vfs_get_tree+0x92/0x320 [ 287.146482][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.146535][ T7019] path_mount+0x7d0/0x2850 [ 287.146591][ T7019] ? __pfx_path_mount+0x10/0x10 [ 287.146635][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.146684][ T7019] ? lockdep_hardirqs_on+0x7d/0x110 [ 287.146736][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.146789][ T7019] ? kmem_cache_free+0x127/0x6c0 [ 287.146847][ T7019] ? __x64_sys_mount+0x293/0x310 [ 287.146890][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.146937][ T7019] __x64_sys_mount+0x293/0x310 [ 287.146985][ T7019] ? __pfx___x64_sys_mount+0x10/0x10 [ 287.147037][ T7019] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.147094][ T7019] do_syscall_64+0x123/0x790 [ 287.147146][ T7019] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.147188][ T7019] RIP: 0033:0x7f39b819f10a [ 287.147220][ T7019] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 287.147260][ T7019] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 287.147298][ T7019] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 287.147326][ T7019] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 287.147354][ T7019] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 287.147381][ T7019] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 287.147407][ T7019] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 287.147460][ T7019] [ 287.272772][ T7019] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 287.272809][ T7019] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 287.927595][ T7023] loop1: detected capacity change from 0 to 32768 [ 287.940673][ T7023] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 287.940705][ T7023] CPU: 0 UID: 0 PID: 7023 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) [ 287.940752][ T7023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 287.940776][ T7023] Call Trace: [ 287.940790][ T7023] [ 287.940805][ T7023] dump_stack_lvl+0x100/0x190 [ 287.940872][ T7023] sysfs_warn_dup.cold+0x1c/0x28 [ 287.940936][ T7023] sysfs_create_dir_ns+0x24b/0x2b0 [ 287.940984][ T7023] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 287.941029][ T7023] ? find_held_lock+0x2b/0x80 [ 287.941068][ T7023] ? kobject_add_internal+0x25f/0x930 [ 287.941129][ T7023] ? kobject_add_internal+0x25f/0x930 [ 287.941194][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.941246][ T7023] ? do_raw_spin_unlock+0x145/0x1e0 [ 287.941307][ T7023] kobject_add_internal+0x2c8/0x930 [ 287.941373][ T7023] kobject_init_and_add+0x121/0x180 [ 287.941434][ T7023] ? __pfx_kobject_init_and_add+0x10/0x10 [ 287.941505][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.941553][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.941601][ T7023] ? lockdep_init_map_type+0x5c/0x250 [ 287.941658][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.941706][ T7023] ? lockdep_init_map_type+0x5c/0x250 [ 287.941769][ T7023] gfs2_sys_fs_add+0x209/0x410 [ 287.941816][ T7023] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 287.941860][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.941917][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.941965][ T7023] ? alloc_workqueue_noprof+0xe1/0x130 [ 287.942038][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.942101][ T7023] gfs2_fill_super+0x1438/0x2ce0 [ 287.942155][ T7023] ? __pfx_vsnprintf+0x10/0x10 [ 287.942230][ T7023] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.942288][ T7023] ? __pfx_snprintf+0x10/0x10 [ 287.942336][ T7023] ? find_held_lock+0x2b/0x80 [ 287.942374][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.942422][ T7023] ? set_blocksize+0x1cf/0x460 [ 287.942461][ T7023] ? setup_bdev_super+0x4b6/0x770 [ 287.942517][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.942565][ T7023] ? sb_set_blocksize+0x1f6/0x290 [ 287.942616][ T7023] ? get_tree_bdev_flags+0x38c/0x620 [ 287.942669][ T7023] get_tree_bdev_flags+0x38c/0x620 [ 287.942720][ T7023] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.942777][ T7023] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 287.942837][ T7023] ? rcu_is_watching+0x13/0xc0 [ 287.942877][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.942925][ T7023] ? apparmor_capable+0x1d7/0x4d0 [ 287.942977][ T7023] gfs2_get_tree+0x4e/0x280 [ 287.943032][ T7023] vfs_get_tree+0x92/0x320 [ 287.943073][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.943125][ T7023] path_mount+0x7d0/0x2850 [ 287.943181][ T7023] ? __pfx_path_mount+0x10/0x10 [ 287.943224][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.943278][ T7023] ? lockdep_hardirqs_on+0x7d/0x110 [ 287.943329][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.943378][ T7023] ? kmem_cache_free+0x127/0x6c0 [ 287.943435][ T7023] ? __x64_sys_mount+0x293/0x310 [ 287.943480][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.943527][ T7023] __x64_sys_mount+0x293/0x310 [ 287.943575][ T7023] ? __pfx___x64_sys_mount+0x10/0x10 [ 287.943628][ T7023] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.943685][ T7023] do_syscall_64+0x123/0x790 [ 287.943736][ T7023] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.943778][ T7023] RIP: 0033:0x7f39b819f10a [ 287.943811][ T7023] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 287.943850][ T7023] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 287.943889][ T7023] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 287.943918][ T7023] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 287.943945][ T7023] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 287.943972][ T7023] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 287.943998][ T7023] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 287.944050][ T7023] [ 287.955578][ T7023] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 287.955611][ T7023] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 288.660900][ T7027] loop1: detected capacity change from 0 to 32768 [ 288.690433][ T7027] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 288.690467][ T7027] CPU: 1 UID: 0 PID: 7027 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) [ 288.690515][ T7027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 288.690540][ T7027] Call Trace: [ 288.690554][ T7027] [ 288.690569][ T7027] dump_stack_lvl+0x100/0x190 [ 288.690638][ T7027] sysfs_warn_dup.cold+0x1c/0x28 [ 288.690705][ T7027] sysfs_create_dir_ns+0x24b/0x2b0 [ 288.690762][ T7027] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 288.690810][ T7027] ? find_held_lock+0x2b/0x80 [ 288.690849][ T7027] ? kobject_add_internal+0x25f/0x930 [ 288.690912][ T7027] ? kobject_add_internal+0x25f/0x930 [ 288.690978][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.691029][ T7027] ? do_raw_spin_unlock+0x145/0x1e0 [ 288.691097][ T7027] kobject_add_internal+0x2c8/0x930 [ 288.691169][ T7027] kobject_init_and_add+0x121/0x180 [ 288.691236][ T7027] ? __pfx_kobject_init_and_add+0x10/0x10 [ 288.691309][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.691359][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.691408][ T7027] ? lockdep_init_map_type+0x5c/0x250 [ 288.691465][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.691514][ T7027] ? lockdep_init_map_type+0x5c/0x250 [ 288.691577][ T7027] gfs2_sys_fs_add+0x209/0x410 [ 288.691625][ T7027] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 288.691669][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.691727][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.691782][ T7027] ? alloc_workqueue_noprof+0xe1/0x130 [ 288.691857][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.691920][ T7027] gfs2_fill_super+0x1438/0x2ce0 [ 288.691975][ T7027] ? __pfx_vsnprintf+0x10/0x10 [ 288.692035][ T7027] ? __pfx_gfs2_fill_super+0x10/0x10 [ 288.692089][ T7027] ? __pfx_snprintf+0x10/0x10 [ 288.692138][ T7027] ? find_held_lock+0x2b/0x80 [ 288.692176][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.692225][ T7027] ? set_blocksize+0x1cf/0x460 [ 288.692265][ T7027] ? setup_bdev_super+0x4b6/0x770 [ 288.692323][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.692372][ T7027] ? sb_set_blocksize+0x1f6/0x290 [ 288.692424][ T7027] ? get_tree_bdev_flags+0x38c/0x620 [ 288.692477][ T7027] get_tree_bdev_flags+0x38c/0x620 [ 288.692530][ T7027] ? __pfx_gfs2_fill_super+0x10/0x10 [ 288.692587][ T7027] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 288.692647][ T7027] ? rcu_is_watching+0x13/0xc0 [ 288.692689][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.692738][ T7027] ? apparmor_capable+0x1d7/0x4d0 [ 288.692797][ T7027] gfs2_get_tree+0x4e/0x280 [ 288.692854][ T7027] vfs_get_tree+0x92/0x320 [ 288.692895][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.692948][ T7027] path_mount+0x7d0/0x2850 [ 288.693005][ T7027] ? __pfx_path_mount+0x10/0x10 [ 288.693048][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.693097][ T7027] ? lockdep_hardirqs_on+0x7d/0x110 [ 288.693148][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.693197][ T7027] ? kmem_cache_free+0x127/0x6c0 [ 288.693256][ T7027] ? __x64_sys_mount+0x293/0x310 [ 288.693302][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.693352][ T7027] __x64_sys_mount+0x293/0x310 [ 288.693400][ T7027] ? __pfx___x64_sys_mount+0x10/0x10 [ 288.693454][ T7027] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.693512][ T7027] do_syscall_64+0x123/0x790 [ 288.693563][ T7027] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.693605][ T7027] RIP: 0033:0x7f39b819f10a [ 288.693637][ T7027] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 288.693676][ T7027] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 288.693714][ T7027] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 288.693749][ T7027] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 288.693777][ T7027] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 288.693805][ T7027] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 288.693832][ T7027] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 288.693886][ T7027] [ 288.694661][ T7027] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 288.694693][ T7027] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 289.357915][ T7031] loop1: detected capacity change from 0 to 32768 [ 289.371395][ T7031] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 289.371428][ T7031] CPU: 1 UID: 0 PID: 7031 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) [ 289.371475][ T7031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 289.371500][ T7031] Call Trace: [ 289.371513][ T7031] [ 289.371529][ T7031] dump_stack_lvl+0x100/0x190 [ 289.371597][ T7031] sysfs_warn_dup.cold+0x1c/0x28 [ 289.371664][ T7031] sysfs_create_dir_ns+0x24b/0x2b0 [ 289.371714][ T7031] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 289.371768][ T7031] ? find_held_lock+0x2b/0x80 [ 289.371808][ T7031] ? kobject_add_internal+0x25f/0x930 [ 289.371872][ T7031] ? kobject_add_internal+0x25f/0x930 [ 289.371937][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.371987][ T7031] ? do_raw_spin_unlock+0x145/0x1e0 [ 289.372053][ T7031] kobject_add_internal+0x2c8/0x930 [ 289.372124][ T7031] kobject_init_and_add+0x121/0x180 [ 289.372189][ T7031] ? __pfx_kobject_init_and_add+0x10/0x10 [ 289.372260][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.372309][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.372357][ T7031] ? lockdep_init_map_type+0x5c/0x250 [ 289.372413][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.372462][ T7031] ? lockdep_init_map_type+0x5c/0x250 [ 289.372525][ T7031] gfs2_sys_fs_add+0x209/0x410 [ 289.372577][ T7031] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 289.372622][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.372677][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.372726][ T7031] ? alloc_workqueue_noprof+0xe1/0x130 [ 289.372806][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.372867][ T7031] gfs2_fill_super+0x1438/0x2ce0 [ 289.372921][ T7031] ? __pfx_vsnprintf+0x10/0x10 [ 289.372981][ T7031] ? __pfx_gfs2_fill_super+0x10/0x10 [ 289.373035][ T7031] ? __pfx_snprintf+0x10/0x10 [ 289.373085][ T7031] ? find_held_lock+0x2b/0x80 [ 289.373123][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.373173][ T7031] ? set_blocksize+0x1cf/0x460 [ 289.373212][ T7031] ? setup_bdev_super+0x4b6/0x770 [ 289.373268][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.373317][ T7031] ? sb_set_blocksize+0x1f6/0x290 [ 289.373368][ T7031] ? get_tree_bdev_flags+0x38c/0x620 [ 289.373421][ T7031] get_tree_bdev_flags+0x38c/0x620 [ 289.373474][ T7031] ? __pfx_gfs2_fill_super+0x10/0x10 [ 289.373531][ T7031] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 289.373591][ T7031] ? rcu_is_watching+0x13/0xc0 [ 289.373632][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.373680][ T7031] ? apparmor_capable+0x1d7/0x4d0 [ 289.373732][ T7031] gfs2_get_tree+0x4e/0x280 [ 289.373796][ T7031] vfs_get_tree+0x92/0x320 [ 289.373837][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.373890][ T7031] path_mount+0x7d0/0x2850 [ 289.373947][ T7031] ? __pfx_path_mount+0x10/0x10 [ 289.373991][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.374040][ T7031] ? lockdep_hardirqs_on+0x7d/0x110 [ 289.374091][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.374141][ T7031] ? kmem_cache_free+0x127/0x6c0 [ 289.374199][ T7031] ? __x64_sys_mount+0x293/0x310 [ 289.374244][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.374294][ T7031] __x64_sys_mount+0x293/0x310 [ 289.374342][ T7031] ? __pfx___x64_sys_mount+0x10/0x10 [ 289.374395][ T7031] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.374453][ T7031] do_syscall_64+0x123/0x790 [ 289.374504][ T7031] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.374547][ T7031] RIP: 0033:0x7f39b819f10a [ 289.374579][ T7031] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 289.374618][ T7031] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 289.374660][ T7031] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 289.374686][ T7031] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 289.374713][ T7031] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 289.374739][ T7031] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 289.374772][ T7031] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 289.374824][ T7031] [ 289.403995][ T7031] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 289.404030][ T7031] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 290.097943][ T7035] loop1: detected capacity change from 0 to 32768 [ 290.111347][ T7035] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 290.111381][ T7035] CPU: 1 UID: 0 PID: 7035 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) [ 290.111429][ T7035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 290.111455][ T7035] Call Trace: [ 290.111468][ T7035] [ 290.111483][ T7035] dump_stack_lvl+0x100/0x190 [ 290.111551][ T7035] sysfs_warn_dup.cold+0x1c/0x28 [ 290.111616][ T7035] sysfs_create_dir_ns+0x24b/0x2b0 [ 290.111666][ T7035] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 290.111714][ T7035] ? find_held_lock+0x2b/0x80 [ 290.111762][ T7035] ? kobject_add_internal+0x25f/0x930 [ 290.111827][ T7035] ? kobject_add_internal+0x25f/0x930 [ 290.111894][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.111944][ T7035] ? do_raw_spin_unlock+0x145/0x1e0 [ 290.112011][ T7035] kobject_add_internal+0x2c8/0x930 [ 290.112084][ T7035] kobject_init_and_add+0x121/0x180 [ 290.112151][ T7035] ? __pfx_kobject_init_and_add+0x10/0x10 [ 290.112224][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.112274][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.112322][ T7035] ? lockdep_init_map_type+0x5c/0x250 [ 290.112378][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.112427][ T7035] ? lockdep_init_map_type+0x5c/0x250 [ 290.112490][ T7035] gfs2_sys_fs_add+0x209/0x410 [ 290.112539][ T7035] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 290.112589][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.112645][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.112694][ T7035] ? alloc_workqueue_noprof+0xe1/0x130 [ 290.112778][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.112841][ T7035] gfs2_fill_super+0x1438/0x2ce0 [ 290.112896][ T7035] ? __pfx_vsnprintf+0x10/0x10 [ 290.112958][ T7035] ? __pfx_gfs2_fill_super+0x10/0x10 [ 290.113012][ T7035] ? __pfx_snprintf+0x10/0x10 [ 290.113061][ T7035] ? find_held_lock+0x2b/0x80 [ 290.113098][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.113146][ T7035] ? set_blocksize+0x1cf/0x460 [ 290.113185][ T7035] ? setup_bdev_super+0x4b6/0x770 [ 290.113241][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.113289][ T7035] ? sb_set_blocksize+0x1f6/0x290 [ 290.113340][ T7035] ? get_tree_bdev_flags+0x38c/0x620 [ 290.113393][ T7035] get_tree_bdev_flags+0x38c/0x620 [ 290.113445][ T7035] ? __pfx_gfs2_fill_super+0x10/0x10 [ 290.113500][ T7035] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 290.113560][ T7035] ? rcu_is_watching+0x13/0xc0 [ 290.113601][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.113649][ T7035] ? apparmor_capable+0x1d7/0x4d0 [ 290.113703][ T7035] gfs2_get_tree+0x4e/0x280 [ 290.113766][ T7035] vfs_get_tree+0x92/0x320 [ 290.113807][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.113858][ T7035] path_mount+0x7d0/0x2850 [ 290.113915][ T7035] ? __pfx_path_mount+0x10/0x10 [ 290.113959][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.114007][ T7035] ? lockdep_hardirqs_on+0x7d/0x110 [ 290.114059][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.114109][ T7035] ? kmem_cache_free+0x127/0x6c0 [ 290.114167][ T7035] ? __x64_sys_mount+0x293/0x310 [ 290.114212][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.114261][ T7035] __x64_sys_mount+0x293/0x310 [ 290.114311][ T7035] ? __pfx___x64_sys_mount+0x10/0x10 [ 290.114364][ T7035] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.114423][ T7035] do_syscall_64+0x123/0x790 [ 290.114475][ T7035] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.114517][ T7035] RIP: 0033:0x7f39b819f10a [ 290.114549][ T7035] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 290.114587][ T7035] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 290.114626][ T7035] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 290.114653][ T7035] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 290.114680][ T7035] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 290.114708][ T7035] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 290.114734][ T7035] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 290.114795][ T7035] [ 290.172599][ T7035] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 290.172633][ T7035] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 290.847306][ T7039] loop1: detected capacity change from 0 to 32768 [ 290.861040][ T7039] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 290.861078][ T7039] CPU: 1 UID: 0 PID: 7039 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) [ 290.861126][ T7039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 290.861150][ T7039] Call Trace: [ 290.861164][ T7039] [ 290.861179][ T7039] dump_stack_lvl+0x100/0x190 [ 290.861247][ T7039] sysfs_warn_dup.cold+0x1c/0x28 [ 290.861313][ T7039] sysfs_create_dir_ns+0x24b/0x2b0 [ 290.861363][ T7039] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 290.861409][ T7039] ? find_held_lock+0x2b/0x80 [ 290.861447][ T7039] ? kobject_add_internal+0x25f/0x930 [ 290.861515][ T7039] ? kobject_add_internal+0x25f/0x930 [ 290.861580][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.861629][ T7039] ? do_raw_spin_unlock+0x145/0x1e0 [ 290.861693][ T7039] kobject_add_internal+0x2c8/0x930 [ 290.861775][ T7039] kobject_init_and_add+0x121/0x180 [ 290.861842][ T7039] ? __pfx_kobject_init_and_add+0x10/0x10 [ 290.861912][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.861962][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.862009][ T7039] ? lockdep_init_map_type+0x5c/0x250 [ 290.862063][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.862110][ T7039] ? lockdep_init_map_type+0x5c/0x250 [ 290.862173][ T7039] gfs2_sys_fs_add+0x209/0x410 [ 290.862242][ T7039] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 290.862278][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.862327][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.862376][ T7039] ? alloc_workqueue_noprof+0xe1/0x130 [ 290.862449][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.862509][ T7039] gfs2_fill_super+0x1438/0x2ce0 [ 290.862562][ T7039] ? __pfx_vsnprintf+0x10/0x10 [ 290.862621][ T7039] ? __pfx_gfs2_fill_super+0x10/0x10 [ 290.862674][ T7039] ? __pfx_snprintf+0x10/0x10 [ 290.862733][ T7039] ? find_held_lock+0x2b/0x80 [ 290.862771][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.862819][ T7039] ? set_blocksize+0x1cf/0x460 [ 290.862858][ T7039] ? setup_bdev_super+0x4b6/0x770 [ 290.862915][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.862964][ T7039] ? sb_set_blocksize+0x1f6/0x290 [ 290.863014][ T7039] ? get_tree_bdev_flags+0x38c/0x620 [ 290.863065][ T7039] get_tree_bdev_flags+0x38c/0x620 [ 290.863117][ T7039] ? __pfx_gfs2_fill_super+0x10/0x10 [ 290.863172][ T7039] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 290.863227][ T7039] ? rcu_is_watching+0x13/0xc0 [ 290.863265][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.863311][ T7039] ? apparmor_capable+0x1d7/0x4d0 [ 290.863361][ T7039] gfs2_get_tree+0x4e/0x280 [ 290.863414][ T7039] vfs_get_tree+0x92/0x320 [ 290.863455][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.863506][ T7039] path_mount+0x7d0/0x2850 [ 290.863561][ T7039] ? __pfx_path_mount+0x10/0x10 [ 290.863603][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.863651][ T7039] ? lockdep_hardirqs_on+0x7d/0x110 [ 290.863716][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.863764][ T7039] ? kmem_cache_free+0x127/0x6c0 [ 290.863823][ T7039] ? __x64_sys_mount+0x293/0x310 [ 290.863868][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.863913][ T7039] __x64_sys_mount+0x293/0x310 [ 290.863960][ T7039] ? __pfx___x64_sys_mount+0x10/0x10 [ 290.864010][ T7039] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.864067][ T7039] do_syscall_64+0x123/0x790 [ 290.864119][ T7039] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.864161][ T7039] RIP: 0033:0x7f39b819f10a [ 290.864195][ T7039] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 290.864230][ T7039] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 290.864269][ T7039] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 290.864297][ T7039] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 290.864324][ T7039] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 290.864351][ T7039] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 290.864377][ T7039] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 290.864430][ T7039] [ 290.923998][ T7039] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 290.924035][ T7039] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 291.572630][ T7043] loop1: detected capacity change from 0 to 32768 [ 291.584964][ T7043] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 291.584999][ T7043] CPU: 1 UID: 0 PID: 7043 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) [ 291.585046][ T7043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 291.585071][ T7043] Call Trace: [ 291.585084][ T7043] [ 291.585100][ T7043] dump_stack_lvl+0x100/0x190 [ 291.585168][ T7043] sysfs_warn_dup.cold+0x1c/0x28 [ 291.585249][ T7043] sysfs_create_dir_ns+0x24b/0x2b0 [ 291.585300][ T7043] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 291.585348][ T7043] ? find_held_lock+0x2b/0x80 [ 291.585394][ T7043] ? kobject_add_internal+0x25f/0x930 [ 291.585458][ T7043] ? kobject_add_internal+0x25f/0x930 [ 291.585523][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.585572][ T7043] ? do_raw_spin_unlock+0x145/0x1e0 [ 291.585638][ T7043] kobject_add_internal+0x2c8/0x930 [ 291.585708][ T7043] kobject_init_and_add+0x121/0x180 [ 291.585773][ T7043] ? __pfx_kobject_init_and_add+0x10/0x10 [ 291.585843][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.585892][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.585941][ T7043] ? lockdep_init_map_type+0x5c/0x250 [ 291.585998][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.586047][ T7043] ? lockdep_init_map_type+0x5c/0x250 [ 291.586112][ T7043] gfs2_sys_fs_add+0x209/0x410 [ 291.586160][ T7043] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 291.586219][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.586273][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.586321][ T7043] ? alloc_workqueue_noprof+0xe1/0x130 [ 291.586394][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.586455][ T7043] gfs2_fill_super+0x1438/0x2ce0 [ 291.586509][ T7043] ? __pfx_vsnprintf+0x10/0x10 [ 291.586569][ T7043] ? __pfx_gfs2_fill_super+0x10/0x10 [ 291.586622][ T7043] ? __pfx_snprintf+0x10/0x10 [ 291.586671][ T7043] ? find_held_lock+0x2b/0x80 [ 291.586710][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.586759][ T7043] ? set_blocksize+0x1cf/0x460 [ 291.586798][ T7043] ? setup_bdev_super+0x4b6/0x770 [ 291.586855][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.586904][ T7043] ? sb_set_blocksize+0x1f6/0x290 [ 291.586955][ T7043] ? get_tree_bdev_flags+0x38c/0x620 [ 291.587009][ T7043] get_tree_bdev_flags+0x38c/0x620 [ 291.587061][ T7043] ? __pfx_gfs2_fill_super+0x10/0x10 [ 291.587119][ T7043] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 291.587179][ T7043] ? rcu_is_watching+0x13/0xc0 [ 291.587234][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.587281][ T7043] ? apparmor_capable+0x1d7/0x4d0 [ 291.587333][ T7043] gfs2_get_tree+0x4e/0x280 [ 291.587388][ T7043] vfs_get_tree+0x92/0x320 [ 291.587429][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.587482][ T7043] path_mount+0x7d0/0x2850 [ 291.587538][ T7043] ? __pfx_path_mount+0x10/0x10 [ 291.587583][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.587631][ T7043] ? lockdep_hardirqs_on+0x7d/0x110 [ 291.587682][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.587731][ T7043] ? kmem_cache_free+0x127/0x6c0 [ 291.587791][ T7043] ? __x64_sys_mount+0x293/0x310 [ 291.587835][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.587884][ T7043] __x64_sys_mount+0x293/0x310 [ 291.587931][ T7043] ? __pfx___x64_sys_mount+0x10/0x10 [ 291.587984][ T7043] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.588041][ T7043] do_syscall_64+0x123/0x790 [ 291.588091][ T7043] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.588134][ T7043] RIP: 0033:0x7f39b819f10a [ 291.588165][ T7043] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 291.588217][ T7043] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 291.588257][ T7043] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 291.588284][ T7043] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 291.588312][ T7043] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 291.588339][ T7043] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 291.588366][ T7043] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 291.588418][ T7043] [ 291.592883][ T7043] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. 2026/10/30 06:37:37 executed programs: 158 [ 291.592920][ T7043] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 292.379089][ T7047] loop1: detected capacity change from 0 to 32768 [ 292.402249][ T7047] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 292.402287][ T7047] CPU: 0 UID: 0 PID: 7047 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) [ 292.402334][ T7047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 292.402359][ T7047] Call Trace: [ 292.402373][ T7047] [ 292.402389][ T7047] dump_stack_lvl+0x100/0x190 [ 292.402460][ T7047] sysfs_warn_dup.cold+0x1c/0x28 [ 292.402526][ T7047] sysfs_create_dir_ns+0x24b/0x2b0 [ 292.402578][ T7047] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 292.402626][ T7047] ? find_held_lock+0x2b/0x80 [ 292.402665][ T7047] ? kobject_add_internal+0x25f/0x930 [ 292.402736][ T7047] ? kobject_add_internal+0x25f/0x930 [ 292.402801][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.402850][ T7047] ? do_raw_spin_unlock+0x145/0x1e0 [ 292.402917][ T7047] kobject_add_internal+0x2c8/0x930 [ 292.402989][ T7047] kobject_init_and_add+0x121/0x180 [ 292.403058][ T7047] ? __pfx_kobject_init_and_add+0x10/0x10 [ 292.403131][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.403179][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.403228][ T7047] ? lockdep_init_map_type+0x5c/0x250 [ 292.403285][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.403334][ T7047] ? lockdep_init_map_type+0x5c/0x250 [ 292.403399][ T7047] gfs2_sys_fs_add+0x209/0x410 [ 292.403447][ T7047] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 292.403497][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.403552][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.403600][ T7047] ? alloc_workqueue_noprof+0xe1/0x130 [ 292.403673][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.403741][ T7047] gfs2_fill_super+0x1438/0x2ce0 [ 292.403796][ T7047] ? __pfx_vsnprintf+0x10/0x10 [ 292.403858][ T7047] ? __pfx_gfs2_fill_super+0x10/0x10 [ 292.403911][ T7047] ? __pfx_snprintf+0x10/0x10 [ 292.403962][ T7047] ? find_held_lock+0x2b/0x80 [ 292.404000][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.404050][ T7047] ? set_blocksize+0x1cf/0x460 [ 292.404089][ T7047] ? setup_bdev_super+0x4b6/0x770 [ 292.404147][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.404196][ T7047] ? sb_set_blocksize+0x1f6/0x290 [ 292.404247][ T7047] ? get_tree_bdev_flags+0x38c/0x620 [ 292.404301][ T7047] get_tree_bdev_flags+0x38c/0x620 [ 292.404353][ T7047] ? __pfx_gfs2_fill_super+0x10/0x10 [ 292.404410][ T7047] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 292.404471][ T7047] ? rcu_is_watching+0x13/0xc0 [ 292.404511][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.404560][ T7047] ? apparmor_capable+0x1d7/0x4d0 [ 292.404612][ T7047] gfs2_get_tree+0x4e/0x280 [ 292.404669][ T7047] vfs_get_tree+0x92/0x320 [ 292.404719][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.404772][ T7047] path_mount+0x7d0/0x2850 [ 292.404829][ T7047] ? __pfx_path_mount+0x10/0x10 [ 292.404873][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.404923][ T7047] ? lockdep_hardirqs_on+0x7d/0x110 [ 292.404975][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.405024][ T7047] ? kmem_cache_free+0x127/0x6c0 [ 292.405083][ T7047] ? __x64_sys_mount+0x293/0x310 [ 292.405128][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.405176][ T7047] __x64_sys_mount+0x293/0x310 [ 292.405225][ T7047] ? __pfx___x64_sys_mount+0x10/0x10 [ 292.405277][ T7047] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.405335][ T7047] do_syscall_64+0x123/0x790 [ 292.405386][ T7047] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.405430][ T7047] RIP: 0033:0x7f39b819f10a [ 292.405463][ T7047] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 292.405503][ T7047] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 292.405542][ T7047] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 292.405570][ T7047] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 292.405598][ T7047] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 292.405625][ T7047] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 292.405652][ T7047] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 292.405713][ T7047] [ 292.415114][ T7047] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 292.415150][ T7047] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 293.158695][ T7051] loop1: detected capacity change from 0 to 32768 [ 293.163496][ T7051] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 293.163531][ T7051] CPU: 0 UID: 0 PID: 7051 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) [ 293.163579][ T7051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 293.163604][ T7051] Call Trace: [ 293.163618][ T7051] [ 293.163633][ T7051] dump_stack_lvl+0x100/0x190 [ 293.163701][ T7051] sysfs_warn_dup.cold+0x1c/0x28 [ 293.163774][ T7051] sysfs_create_dir_ns+0x24b/0x2b0 [ 293.163824][ T7051] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 293.163875][ T7051] ? find_held_lock+0x2b/0x80 [ 293.163914][ T7051] ? kobject_add_internal+0x25f/0x930 [ 293.163977][ T7051] ? kobject_add_internal+0x25f/0x930 [ 293.164042][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.164091][ T7051] ? do_raw_spin_unlock+0x145/0x1e0 [ 293.164157][ T7051] kobject_add_internal+0x2c8/0x930 [ 293.164228][ T7051] kobject_init_and_add+0x121/0x180 [ 293.164294][ T7051] ? __pfx_kobject_init_and_add+0x10/0x10 [ 293.164365][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.164411][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.164458][ T7051] ? lockdep_init_map_type+0x5c/0x250 [ 293.164514][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.164562][ T7051] ? lockdep_init_map_type+0x5c/0x250 [ 293.164624][ T7051] gfs2_sys_fs_add+0x209/0x410 [ 293.164671][ T7051] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 293.164723][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.164776][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.164823][ T7051] ? alloc_workqueue_noprof+0xe1/0x130 [ 293.164894][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.164954][ T7051] gfs2_fill_super+0x1438/0x2ce0 [ 293.165009][ T7051] ? __pfx_vsnprintf+0x10/0x10 [ 293.165076][ T7051] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.165129][ T7051] ? __pfx_snprintf+0x10/0x10 [ 293.165177][ T7051] ? find_held_lock+0x2b/0x80 [ 293.165215][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.165267][ T7051] ? set_blocksize+0x1cf/0x460 [ 293.165302][ T7051] ? setup_bdev_super+0x4b6/0x770 [ 293.165354][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.165400][ T7051] ? sb_set_blocksize+0x1f6/0x290 [ 293.165447][ T7051] ? get_tree_bdev_flags+0x38c/0x620 [ 293.165495][ T7051] get_tree_bdev_flags+0x38c/0x620 [ 293.165544][ T7051] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.165597][ T7051] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 293.165652][ T7051] ? rcu_is_watching+0x13/0xc0 [ 293.165689][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.165741][ T7051] ? apparmor_capable+0x1d7/0x4d0 [ 293.165789][ T7051] gfs2_get_tree+0x4e/0x280 [ 293.165840][ T7051] vfs_get_tree+0x92/0x320 [ 293.165878][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.165926][ T7051] path_mount+0x7d0/0x2850 [ 293.165977][ T7051] ? __pfx_path_mount+0x10/0x10 [ 293.166017][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.166062][ T7051] ? lockdep_hardirqs_on+0x7d/0x110 [ 293.166109][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.166153][ T7051] ? kmem_cache_free+0x127/0x6c0 [ 293.166207][ T7051] ? __x64_sys_mount+0x293/0x310 [ 293.166248][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.166293][ T7051] __x64_sys_mount+0x293/0x310 [ 293.166337][ T7051] ? __pfx___x64_sys_mount+0x10/0x10 [ 293.166385][ T7051] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.166440][ T7051] do_syscall_64+0x123/0x790 [ 293.166488][ T7051] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.166526][ T7051] RIP: 0033:0x7f39b819f10a [ 293.166556][ T7051] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 293.166592][ T7051] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 293.166627][ T7051] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 293.166653][ T7051] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 293.166677][ T7051] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 293.166702][ T7051] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 293.166732][ T7051] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 293.166782][ T7051] [ 293.227162][ T7051] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 293.227202][ T7051] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 293.890914][ T7055] loop1: detected capacity change from 0 to 32768 [ 293.905720][ T7055] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 293.905757][ T7055] CPU: 1 UID: 0 PID: 7055 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) [ 293.905804][ T7055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 293.905829][ T7055] Call Trace: [ 293.905842][ T7055] [ 293.905858][ T7055] dump_stack_lvl+0x100/0x190 [ 293.905928][ T7055] sysfs_warn_dup.cold+0x1c/0x28 [ 293.905994][ T7055] sysfs_create_dir_ns+0x24b/0x2b0 [ 293.906043][ T7055] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 293.906090][ T7055] ? find_held_lock+0x2b/0x80 [ 293.906130][ T7055] ? kobject_add_internal+0x25f/0x930 [ 293.906192][ T7055] ? kobject_add_internal+0x25f/0x930 [ 293.906265][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.906314][ T7055] ? do_raw_spin_unlock+0x145/0x1e0 [ 293.906379][ T7055] kobject_add_internal+0x2c8/0x930 [ 293.906449][ T7055] kobject_init_and_add+0x121/0x180 [ 293.906513][ T7055] ? __pfx_kobject_init_and_add+0x10/0x10 [ 293.906585][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.906632][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.906681][ T7055] ? lockdep_init_map_type+0x5c/0x250 [ 293.906737][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.906785][ T7055] ? lockdep_init_map_type+0x5c/0x250 [ 293.906849][ T7055] gfs2_sys_fs_add+0x209/0x410 [ 293.906901][ T7055] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 293.906945][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.906998][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.907046][ T7055] ? alloc_workqueue_noprof+0xe1/0x130 [ 293.907118][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.907180][ T7055] gfs2_fill_super+0x1438/0x2ce0 [ 293.907241][ T7055] ? __pfx_vsnprintf+0x10/0x10 [ 293.907301][ T7055] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.907354][ T7055] ? __pfx_snprintf+0x10/0x10 [ 293.907403][ T7055] ? find_held_lock+0x2b/0x80 [ 293.907441][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.907489][ T7055] ? set_blocksize+0x1cf/0x460 [ 293.907528][ T7055] ? setup_bdev_super+0x4b6/0x770 [ 293.907584][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.907632][ T7055] ? sb_set_blocksize+0x1f6/0x290 [ 293.907684][ T7055] ? get_tree_bdev_flags+0x38c/0x620 [ 293.907736][ T7055] get_tree_bdev_flags+0x38c/0x620 [ 293.907788][ T7055] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.907844][ T7055] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 293.907904][ T7055] ? rcu_is_watching+0x13/0xc0 [ 293.907944][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.907992][ T7055] ? apparmor_capable+0x1d7/0x4d0 [ 293.908043][ T7055] gfs2_get_tree+0x4e/0x280 [ 293.908098][ T7055] vfs_get_tree+0x92/0x320 [ 293.908139][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.908190][ T7055] path_mount+0x7d0/0x2850 [ 293.908253][ T7055] ? __pfx_path_mount+0x10/0x10 [ 293.908296][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.908343][ T7055] ? lockdep_hardirqs_on+0x7d/0x110 [ 293.908394][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.908442][ T7055] ? kmem_cache_free+0x127/0x6c0 [ 293.908501][ T7055] ? __x64_sys_mount+0x293/0x310 [ 293.908545][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.908594][ T7055] __x64_sys_mount+0x293/0x310 [ 293.908643][ T7055] ? __pfx___x64_sys_mount+0x10/0x10 [ 293.908695][ T7055] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.908752][ T7055] do_syscall_64+0x123/0x790 [ 293.908803][ T7055] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.908845][ T7055] RIP: 0033:0x7f39b819f10a [ 293.908877][ T7055] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 293.908916][ T7055] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 293.908957][ T7055] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 293.908984][ T7055] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 293.909011][ T7055] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 293.909038][ T7055] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 293.909064][ T7055] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 293.909116][ T7055] [ 293.912345][ T7055] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 293.912381][ T7055] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 294.639274][ T7059] loop1: detected capacity change from 0 to 32768 [ 294.654732][ T7059] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 294.654770][ T7059] CPU: 0 UID: 0 PID: 7059 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) [ 294.654817][ T7059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 294.654842][ T7059] Call Trace: [ 294.654855][ T7059] [ 294.654870][ T7059] dump_stack_lvl+0x100/0x190 [ 294.654939][ T7059] sysfs_warn_dup.cold+0x1c/0x28 [ 294.655004][ T7059] sysfs_create_dir_ns+0x24b/0x2b0 [ 294.655054][ T7059] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 294.655101][ T7059] ? find_held_lock+0x2b/0x80 [ 294.655139][ T7059] ? kobject_add_internal+0x25f/0x930 [ 294.655200][ T7059] ? kobject_add_internal+0x25f/0x930 [ 294.655263][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.655312][ T7059] ? do_raw_spin_unlock+0x145/0x1e0 [ 294.655377][ T7059] kobject_add_internal+0x2c8/0x930 [ 294.655447][ T7059] kobject_init_and_add+0x121/0x180 [ 294.655520][ T7059] ? __pfx_kobject_init_and_add+0x10/0x10 [ 294.655591][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.655639][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.655688][ T7059] ? lockdep_init_map_type+0x5c/0x250 [ 294.655754][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.655802][ T7059] ? lockdep_init_map_type+0x5c/0x250 [ 294.655865][ T7059] gfs2_sys_fs_add+0x209/0x410 [ 294.655913][ T7059] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 294.655956][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.656010][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.656057][ T7059] ? alloc_workqueue_noprof+0xe1/0x130 [ 294.656129][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.656190][ T7059] gfs2_fill_super+0x1438/0x2ce0 [ 294.656244][ T7059] ? __pfx_vsnprintf+0x10/0x10 [ 294.656305][ T7059] ? __pfx_gfs2_fill_super+0x10/0x10 [ 294.656357][ T7059] ? __pfx_snprintf+0x10/0x10 [ 294.656405][ T7059] ? find_held_lock+0x2b/0x80 [ 294.656443][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.656492][ T7059] ? set_blocksize+0x1cf/0x460 [ 294.656530][ T7059] ? setup_bdev_super+0x4b6/0x770 [ 294.656585][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.656632][ T7059] ? sb_set_blocksize+0x1f6/0x290 [ 294.656681][ T7059] ? get_tree_bdev_flags+0x38c/0x620 [ 294.656744][ T7059] get_tree_bdev_flags+0x38c/0x620 [ 294.656796][ T7059] ? __pfx_gfs2_fill_super+0x10/0x10 [ 294.656853][ T7059] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 294.656914][ T7059] ? rcu_is_watching+0x13/0xc0 [ 294.656955][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.657004][ T7059] ? apparmor_capable+0x1d7/0x4d0 [ 294.657054][ T7059] gfs2_get_tree+0x4e/0x280 [ 294.657111][ T7059] vfs_get_tree+0x92/0x320 [ 294.657149][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.657198][ T7059] path_mount+0x7d0/0x2850 [ 294.657251][ T7059] ? __pfx_path_mount+0x10/0x10 [ 294.657294][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.657340][ T7059] ? lockdep_hardirqs_on+0x7d/0x110 [ 294.657389][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.657437][ T7059] ? kmem_cache_free+0x127/0x6c0 [ 294.657494][ T7059] ? __x64_sys_mount+0x293/0x310 [ 294.657538][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.657586][ T7059] __x64_sys_mount+0x293/0x310 [ 294.657634][ T7059] ? __pfx___x64_sys_mount+0x10/0x10 [ 294.657685][ T7059] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.657751][ T7059] do_syscall_64+0x123/0x790 [ 294.657805][ T7059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.657844][ T7059] RIP: 0033:0x7f39b819f10a [ 294.657874][ T7059] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 294.657910][ T7059] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 294.657945][ T7059] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 294.657971][ T7059] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 294.657995][ T7059] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 294.658020][ T7059] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 294.658044][ T7059] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 294.658092][ T7059] [ 294.658279][ T7059] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 294.658312][ T7059] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 295.445290][ T7063] loop1: detected capacity change from 0 to 32768 [ 295.455820][ T7063] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 295.455854][ T7063] CPU: 1 UID: 0 PID: 7063 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) [ 295.455899][ T7063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 295.455922][ T7063] Call Trace: [ 295.455936][ T7063] [ 295.455950][ T7063] dump_stack_lvl+0x100/0x190 [ 295.456017][ T7063] sysfs_warn_dup.cold+0x1c/0x28 [ 295.456079][ T7063] sysfs_create_dir_ns+0x24b/0x2b0 [ 295.456128][ T7063] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 295.456173][ T7063] ? find_held_lock+0x2b/0x80 [ 295.456219][ T7063] ? kobject_add_internal+0x25f/0x930 [ 295.456282][ T7063] ? kobject_add_internal+0x25f/0x930 [ 295.456344][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.456391][ T7063] ? do_raw_spin_unlock+0x145/0x1e0 [ 295.456454][ T7063] kobject_add_internal+0x2c8/0x930 [ 295.456521][ T7063] kobject_init_and_add+0x121/0x180 [ 295.456584][ T7063] ? __pfx_kobject_init_and_add+0x10/0x10 [ 295.456652][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.456698][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.456744][ T7063] ? lockdep_init_map_type+0x5c/0x250 [ 295.456798][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.456844][ T7063] ? lockdep_init_map_type+0x5c/0x250 [ 295.456906][ T7063] gfs2_sys_fs_add+0x209/0x410 [ 295.456951][ T7063] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 295.456994][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.457047][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.457093][ T7063] ? alloc_workqueue_noprof+0xe1/0x130 [ 295.457164][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.457229][ T7063] gfs2_fill_super+0x1438/0x2ce0 [ 295.457281][ T7063] ? __pfx_vsnprintf+0x10/0x10 [ 295.457340][ T7063] ? __pfx_gfs2_fill_super+0x10/0x10 [ 295.457391][ T7063] ? __pfx_snprintf+0x10/0x10 [ 295.457438][ T7063] ? find_held_lock+0x2b/0x80 [ 295.457475][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.457521][ T7063] ? set_blocksize+0x1cf/0x460 [ 295.457559][ T7063] ? setup_bdev_super+0x4b6/0x770 [ 295.457614][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.457660][ T7063] ? sb_set_blocksize+0x1f6/0x290 [ 295.457710][ T7063] ? get_tree_bdev_flags+0x38c/0x620 [ 295.457760][ T7063] get_tree_bdev_flags+0x38c/0x620 [ 295.457811][ T7063] ? __pfx_gfs2_fill_super+0x10/0x10 [ 295.457865][ T7063] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 295.457923][ T7063] ? rcu_is_watching+0x13/0xc0 [ 295.457963][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.458009][ T7063] ? apparmor_capable+0x1d7/0x4d0 [ 295.458060][ T7063] gfs2_get_tree+0x4e/0x280 [ 295.458113][ T7063] vfs_get_tree+0x92/0x320 [ 295.458153][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.458203][ T7063] path_mount+0x7d0/0x2850 [ 295.458264][ T7063] ? __pfx_path_mount+0x10/0x10 [ 295.458305][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.458352][ T7063] ? lockdep_hardirqs_on+0x7d/0x110 [ 295.458402][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.458449][ T7063] ? kmem_cache_free+0x127/0x6c0 [ 295.458507][ T7063] ? __x64_sys_mount+0x293/0x310 [ 295.458549][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.458596][ T7063] __x64_sys_mount+0x293/0x310 [ 295.458643][ T7063] ? __pfx___x64_sys_mount+0x10/0x10 [ 295.458694][ T7063] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.458749][ T7063] do_syscall_64+0x123/0x790 [ 295.458800][ T7063] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.458841][ T7063] RIP: 0033:0x7f39b819f10a [ 295.458873][ T7063] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 295.458910][ T7063] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 295.458948][ T7063] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 295.458974][ T7063] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 295.459001][ T7063] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 295.459026][ T7063] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 295.459051][ T7063] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 295.459103][ T7063] [ 295.467894][ T7063] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 295.467932][ T7063] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 296.205422][ T7067] loop1: detected capacity change from 0 to 32768 [ 296.212812][ T7067] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 296.212847][ T7067] CPU: 0 UID: 0 PID: 7067 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) [ 296.212894][ T7067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 296.212918][ T7067] Call Trace: [ 296.212931][ T7067] [ 296.212947][ T7067] dump_stack_lvl+0x100/0x190 [ 296.213015][ T7067] sysfs_warn_dup.cold+0x1c/0x28 [ 296.213081][ T7067] sysfs_create_dir_ns+0x24b/0x2b0 [ 296.213131][ T7067] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 296.213179][ T7067] ? find_held_lock+0x2b/0x80 [ 296.213219][ T7067] ? kobject_add_internal+0x25f/0x930 [ 296.213282][ T7067] ? kobject_add_internal+0x25f/0x930 [ 296.213347][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.213396][ T7067] ? do_raw_spin_unlock+0x145/0x1e0 [ 296.213461][ T7067] kobject_add_internal+0x2c8/0x930 [ 296.213531][ T7067] kobject_init_and_add+0x121/0x180 [ 296.213597][ T7067] ? __pfx_kobject_init_and_add+0x10/0x10 [ 296.213668][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.213727][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.213776][ T7067] ? lockdep_init_map_type+0x5c/0x250 [ 296.213833][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.213884][ T7067] ? lockdep_init_map_type+0x5c/0x250 [ 296.213946][ T7067] gfs2_sys_fs_add+0x209/0x410 [ 296.213993][ T7067] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 296.214037][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.214092][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.214141][ T7067] ? alloc_workqueue_noprof+0xe1/0x130 [ 296.214214][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.214276][ T7067] gfs2_fill_super+0x1438/0x2ce0 [ 296.214331][ T7067] ? __pfx_vsnprintf+0x10/0x10 [ 296.214391][ T7067] ? __pfx_gfs2_fill_super+0x10/0x10 [ 296.214445][ T7067] ? __pfx_snprintf+0x10/0x10 [ 296.214493][ T7067] ? find_held_lock+0x2b/0x80 [ 296.214531][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.214578][ T7067] ? set_blocksize+0x1cf/0x460 [ 296.214617][ T7067] ? setup_bdev_super+0x4b6/0x770 [ 296.214674][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.214730][ T7067] ? sb_set_blocksize+0x1f6/0x290 [ 296.214782][ T7067] ? get_tree_bdev_flags+0x38c/0x620 [ 296.214835][ T7067] get_tree_bdev_flags+0x38c/0x620 [ 296.214887][ T7067] ? __pfx_gfs2_fill_super+0x10/0x10 [ 296.214944][ T7067] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 296.215004][ T7067] ? rcu_is_watching+0x13/0xc0 [ 296.215045][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.215093][ T7067] ? apparmor_capable+0x1d7/0x4d0 [ 296.215146][ T7067] gfs2_get_tree+0x4e/0x280 [ 296.215201][ T7067] vfs_get_tree+0x92/0x320 [ 296.215243][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.215294][ T7067] path_mount+0x7d0/0x2850 [ 296.215350][ T7067] ? __pfx_path_mount+0x10/0x10 [ 296.215393][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.215442][ T7067] ? lockdep_hardirqs_on+0x7d/0x110 [ 296.215493][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.215541][ T7067] ? kmem_cache_free+0x127/0x6c0 [ 296.215600][ T7067] ? __x64_sys_mount+0x293/0x310 [ 296.215644][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.215692][ T7067] __x64_sys_mount+0x293/0x310 [ 296.215747][ T7067] ? __pfx___x64_sys_mount+0x10/0x10 [ 296.215799][ T7067] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.215857][ T7067] do_syscall_64+0x123/0x790 [ 296.215909][ T7067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.215951][ T7067] RIP: 0033:0x7f39b819f10a [ 296.215983][ T7067] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 296.216022][ T7067] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 296.216062][ T7067] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 296.216089][ T7067] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 296.216117][ T7067] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 296.216143][ T7067] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 296.216170][ T7067] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 296.216223][ T7067] [ 296.231746][ T7067] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 296.231784][ T7067] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 296.954753][ T7071] loop1: detected capacity change from 0 to 32768 [ 296.971228][ T7071] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 296.971263][ T7071] CPU: 0 UID: 0 PID: 7071 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) [ 296.971311][ T7071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 296.971335][ T7071] Call Trace: [ 296.971349][ T7071] [ 296.971364][ T7071] dump_stack_lvl+0x100/0x190 [ 296.971433][ T7071] sysfs_warn_dup.cold+0x1c/0x28 [ 296.971498][ T7071] sysfs_create_dir_ns+0x24b/0x2b0 [ 296.971549][ T7071] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 296.971598][ T7071] ? find_held_lock+0x2b/0x80 [ 296.971638][ T7071] ? kobject_add_internal+0x25f/0x930 [ 296.971704][ T7071] ? kobject_add_internal+0x25f/0x930 [ 296.971779][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.971830][ T7071] ? do_raw_spin_unlock+0x145/0x1e0 [ 296.971898][ T7071] kobject_add_internal+0x2c8/0x930 [ 296.971969][ T7071] kobject_init_and_add+0x121/0x180 [ 296.972036][ T7071] ? __pfx_kobject_init_and_add+0x10/0x10 [ 296.972108][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.972156][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.972204][ T7071] ? lockdep_init_map_type+0x5c/0x250 [ 296.972260][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.972314][ T7071] ? lockdep_init_map_type+0x5c/0x250 [ 296.972379][ T7071] gfs2_sys_fs_add+0x209/0x410 [ 296.972429][ T7071] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 296.972474][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.972529][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.972579][ T7071] ? alloc_workqueue_noprof+0xe1/0x130 [ 296.972654][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.972726][ T7071] gfs2_fill_super+0x1438/0x2ce0 [ 296.972782][ T7071] ? __pfx_vsnprintf+0x10/0x10 [ 296.972843][ T7071] ? __pfx_gfs2_fill_super+0x10/0x10 [ 296.972896][ T7071] ? __pfx_snprintf+0x10/0x10 [ 296.972945][ T7071] ? find_held_lock+0x2b/0x80 [ 296.972983][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.973032][ T7071] ? set_blocksize+0x1cf/0x460 [ 296.973071][ T7071] ? setup_bdev_super+0x4b6/0x770 [ 296.973129][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.973179][ T7071] ? sb_set_blocksize+0x1f6/0x290 [ 296.973232][ T7071] ? get_tree_bdev_flags+0x38c/0x620 [ 296.973286][ T7071] get_tree_bdev_flags+0x38c/0x620 [ 296.973340][ T7071] ? __pfx_gfs2_fill_super+0x10/0x10 [ 296.973399][ T7071] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 296.973459][ T7071] ? rcu_is_watching+0x13/0xc0 [ 296.973501][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.973551][ T7071] ? apparmor_capable+0x1d7/0x4d0 [ 296.973603][ T7071] gfs2_get_tree+0x4e/0x280 [ 296.973659][ T7071] vfs_get_tree+0x92/0x320 [ 296.973700][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.973760][ T7071] path_mount+0x7d0/0x2850 [ 296.973817][ T7071] ? __pfx_path_mount+0x10/0x10 [ 296.973862][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.973909][ T7071] ? lockdep_hardirqs_on+0x7d/0x110 [ 296.973958][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.974006][ T7071] ? kmem_cache_free+0x127/0x6c0 [ 296.974064][ T7071] ? __x64_sys_mount+0x293/0x310 [ 296.974108][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.974157][ T7071] __x64_sys_mount+0x293/0x310 [ 296.974206][ T7071] ? __pfx___x64_sys_mount+0x10/0x10 [ 296.974258][ T7071] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.974314][ T7071] do_syscall_64+0x123/0x790 [ 296.974363][ T7071] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.974406][ T7071] RIP: 0033:0x7f39b819f10a [ 296.974438][ T7071] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 296.974477][ T7071] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 296.974517][ T7071] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 296.974545][ T7071] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 2026/10/30 06:37:42 executed programs: 165 [ 296.974571][ T7071] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 296.974598][ T7071] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 296.974623][ T7071] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 296.974677][ T7071] [ 297.007443][ T7071] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 297.007484][ T7071] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 297.760761][ T7075] loop1: detected capacity change from 0 to 32768 [ 297.772431][ T7075] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 297.772468][ T7075] CPU: 1 UID: 0 PID: 7075 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) [ 297.772516][ T7075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 297.772541][ T7075] Call Trace: [ 297.772554][ T7075] [ 297.772569][ T7075] dump_stack_lvl+0x100/0x190 [ 297.772639][ T7075] sysfs_warn_dup.cold+0x1c/0x28 [ 297.772705][ T7075] sysfs_create_dir_ns+0x24b/0x2b0 [ 297.772762][ T7075] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 297.772809][ T7075] ? find_held_lock+0x2b/0x80 [ 297.772848][ T7075] ? kobject_add_internal+0x25f/0x930 [ 297.772912][ T7075] ? kobject_add_internal+0x25f/0x930 [ 297.772981][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.773030][ T7075] ? do_raw_spin_unlock+0x145/0x1e0 [ 297.773097][ T7075] kobject_add_internal+0x2c8/0x930 [ 297.773170][ T7075] kobject_init_and_add+0x121/0x180 [ 297.773236][ T7075] ? __pfx_kobject_init_and_add+0x10/0x10 [ 297.773308][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.773356][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.773405][ T7075] ? lockdep_init_map_type+0x5c/0x250 [ 297.773461][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.773510][ T7075] ? lockdep_init_map_type+0x5c/0x250 [ 297.773574][ T7075] gfs2_sys_fs_add+0x209/0x410 [ 297.773623][ T7075] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 297.773667][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.773729][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.773778][ T7075] ? alloc_workqueue_noprof+0xe1/0x130 [ 297.773855][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.773916][ T7075] gfs2_fill_super+0x1438/0x2ce0 [ 297.773972][ T7075] ? __pfx_vsnprintf+0x10/0x10 [ 297.774036][ T7075] ? __pfx_gfs2_fill_super+0x10/0x10 [ 297.774089][ T7075] ? __pfx_snprintf+0x10/0x10 [ 297.774138][ T7075] ? find_held_lock+0x2b/0x80 [ 297.774178][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.774227][ T7075] ? set_blocksize+0x1cf/0x460 [ 297.774265][ T7075] ? setup_bdev_super+0x4b6/0x770 [ 297.774322][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.774371][ T7075] ? sb_set_blocksize+0x1f6/0x290 [ 297.774424][ T7075] ? get_tree_bdev_flags+0x38c/0x620 [ 297.774477][ T7075] get_tree_bdev_flags+0x38c/0x620 [ 297.774530][ T7075] ? __pfx_gfs2_fill_super+0x10/0x10 [ 297.774588][ T7075] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 297.774649][ T7075] ? rcu_is_watching+0x13/0xc0 [ 297.774690][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.774745][ T7075] ? apparmor_capable+0x1d7/0x4d0 [ 297.774798][ T7075] gfs2_get_tree+0x4e/0x280 [ 297.774854][ T7075] vfs_get_tree+0x92/0x320 [ 297.774896][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.774947][ T7075] path_mount+0x7d0/0x2850 [ 297.775005][ T7075] ? __pfx_path_mount+0x10/0x10 [ 297.775049][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.775098][ T7075] ? lockdep_hardirqs_on+0x7d/0x110 [ 297.775150][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.775199][ T7075] ? kmem_cache_free+0x127/0x6c0 [ 297.775260][ T7075] ? __x64_sys_mount+0x293/0x310 [ 297.775306][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.775354][ T7075] __x64_sys_mount+0x293/0x310 [ 297.775403][ T7075] ? __pfx___x64_sys_mount+0x10/0x10 [ 297.775456][ T7075] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.775514][ T7075] do_syscall_64+0x123/0x790 [ 297.775565][ T7075] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.775608][ T7075] RIP: 0033:0x7f39b819f10a [ 297.775640][ T7075] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 297.775680][ T7075] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 297.775726][ T7075] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 297.775753][ T7075] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 297.775781][ T7075] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 297.775808][ T7075] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 297.775835][ T7075] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 297.775889][ T7075] [ 297.784500][ T7075] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 297.784537][ T7075] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 298.266840][ T5709] Bluetooth: hci1: command 0x0406 tx timeout [ 298.534417][ T7079] loop1: detected capacity change from 0 to 32768 [ 298.541725][ T7079] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 298.541761][ T7079] CPU: 1 UID: 0 PID: 7079 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) [ 298.541809][ T7079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 298.541834][ T7079] Call Trace: [ 298.541848][ T7079] [ 298.541864][ T7079] dump_stack_lvl+0x100/0x190 [ 298.541932][ T7079] sysfs_warn_dup.cold+0x1c/0x28 [ 298.541997][ T7079] sysfs_create_dir_ns+0x24b/0x2b0 [ 298.542047][ T7079] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 298.542095][ T7079] ? find_held_lock+0x2b/0x80 [ 298.542134][ T7079] ? kobject_add_internal+0x25f/0x930 [ 298.542197][ T7079] ? kobject_add_internal+0x25f/0x930 [ 298.542282][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.542331][ T7079] ? do_raw_spin_unlock+0x145/0x1e0 [ 298.542398][ T7079] kobject_add_internal+0x2c8/0x930 [ 298.542469][ T7079] kobject_init_and_add+0x121/0x180 [ 298.542535][ T7079] ? __pfx_kobject_init_and_add+0x10/0x10 [ 298.542606][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.542655][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.542703][ T7079] ? lockdep_init_map_type+0x5c/0x250 [ 298.542767][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.542816][ T7079] ? lockdep_init_map_type+0x5c/0x250 [ 298.542879][ T7079] gfs2_sys_fs_add+0x209/0x410 [ 298.542932][ T7079] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 298.542976][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.543031][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.543079][ T7079] ? alloc_workqueue_noprof+0xe1/0x130 [ 298.543152][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.543214][ T7079] gfs2_fill_super+0x1438/0x2ce0 [ 298.543269][ T7079] ? __pfx_vsnprintf+0x10/0x10 [ 298.543329][ T7079] ? __pfx_gfs2_fill_super+0x10/0x10 [ 298.543383][ T7079] ? __pfx_snprintf+0x10/0x10 [ 298.543432][ T7079] ? find_held_lock+0x2b/0x80 [ 298.543471][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.543520][ T7079] ? set_blocksize+0x1cf/0x460 [ 298.543559][ T7079] ? setup_bdev_super+0x4b6/0x770 [ 298.543615][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.543663][ T7079] ? sb_set_blocksize+0x1f6/0x290 [ 298.543723][ T7079] ? get_tree_bdev_flags+0x38c/0x620 [ 298.543775][ T7079] get_tree_bdev_flags+0x38c/0x620 [ 298.543828][ T7079] ? __pfx_gfs2_fill_super+0x10/0x10 [ 298.543884][ T7079] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 298.543944][ T7079] ? rcu_is_watching+0x13/0xc0 [ 298.543984][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.544033][ T7079] ? apparmor_capable+0x1d7/0x4d0 [ 298.544085][ T7079] gfs2_get_tree+0x4e/0x280 [ 298.544140][ T7079] vfs_get_tree+0x92/0x320 [ 298.544181][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.544233][ T7079] path_mount+0x7d0/0x2850 [ 298.544289][ T7079] ? __pfx_path_mount+0x10/0x10 [ 298.544333][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.544382][ T7079] ? lockdep_hardirqs_on+0x7d/0x110 [ 298.544433][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.544482][ T7079] ? kmem_cache_free+0x127/0x6c0 [ 298.544541][ T7079] ? __x64_sys_mount+0x293/0x310 [ 298.544586][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.544635][ T7079] __x64_sys_mount+0x293/0x310 [ 298.544684][ T7079] ? __pfx___x64_sys_mount+0x10/0x10 [ 298.544744][ T7079] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.544802][ T7079] do_syscall_64+0x123/0x790 [ 298.544853][ T7079] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.544895][ T7079] RIP: 0033:0x7f39b819f10a [ 298.544928][ T7079] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 298.544967][ T7079] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 298.545006][ T7079] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 298.545034][ T7079] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 298.545061][ T7079] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 298.545089][ T7079] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 298.545116][ T7079] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 298.545169][ T7079] [ 298.551648][ T7079] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 298.551684][ T7079] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 299.280732][ T7083] loop1: detected capacity change from 0 to 32768 [ 299.293768][ T7083] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 299.293805][ T7083] CPU: 1 UID: 0 PID: 7083 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) [ 299.293856][ T7083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 299.293880][ T7083] Call Trace: [ 299.293895][ T7083] [ 299.293911][ T7083] dump_stack_lvl+0x100/0x190 [ 299.293979][ T7083] sysfs_warn_dup.cold+0x1c/0x28 [ 299.294043][ T7083] sysfs_create_dir_ns+0x24b/0x2b0 [ 299.294093][ T7083] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 299.294139][ T7083] ? find_held_lock+0x2b/0x80 [ 299.294178][ T7083] ? kobject_add_internal+0x25f/0x930 [ 299.294242][ T7083] ? kobject_add_internal+0x25f/0x930 [ 299.294307][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.294357][ T7083] ? do_raw_spin_unlock+0x145/0x1e0 [ 299.294423][ T7083] kobject_add_internal+0x2c8/0x930 [ 299.294493][ T7083] kobject_init_and_add+0x121/0x180 [ 299.294559][ T7083] ? __pfx_kobject_init_and_add+0x10/0x10 [ 299.294629][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.294676][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.294732][ T7083] ? lockdep_init_map_type+0x5c/0x250 [ 299.294786][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.294832][ T7083] ? lockdep_init_map_type+0x5c/0x250 [ 299.294895][ T7083] gfs2_sys_fs_add+0x209/0x410 [ 299.294944][ T7083] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 299.294987][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.295041][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.295090][ T7083] ? alloc_workqueue_noprof+0xe1/0x130 [ 299.295164][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.295226][ T7083] gfs2_fill_super+0x1438/0x2ce0 [ 299.295281][ T7083] ? __pfx_vsnprintf+0x10/0x10 [ 299.295341][ T7083] ? __pfx_gfs2_fill_super+0x10/0x10 [ 299.295394][ T7083] ? __pfx_snprintf+0x10/0x10 [ 299.295442][ T7083] ? find_held_lock+0x2b/0x80 [ 299.295480][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.295528][ T7083] ? set_blocksize+0x1cf/0x460 [ 299.295566][ T7083] ? setup_bdev_super+0x4b6/0x770 [ 299.295621][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.295668][ T7083] ? sb_set_blocksize+0x1f6/0x290 [ 299.295730][ T7083] ? get_tree_bdev_flags+0x38c/0x620 [ 299.295783][ T7083] get_tree_bdev_flags+0x38c/0x620 [ 299.295836][ T7083] ? __pfx_gfs2_fill_super+0x10/0x10 [ 299.295894][ T7083] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 299.295954][ T7083] ? rcu_is_watching+0x13/0xc0 [ 299.295995][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.296044][ T7083] ? apparmor_capable+0x1d7/0x4d0 [ 299.296097][ T7083] gfs2_get_tree+0x4e/0x280 [ 299.296152][ T7083] vfs_get_tree+0x92/0x320 [ 299.296194][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.296245][ T7083] path_mount+0x7d0/0x2850 [ 299.296300][ T7083] ? __pfx_path_mount+0x10/0x10 [ 299.296343][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.296391][ T7083] ? lockdep_hardirqs_on+0x7d/0x110 [ 299.296444][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.296493][ T7083] ? kmem_cache_free+0x127/0x6c0 [ 299.296552][ T7083] ? __x64_sys_mount+0x293/0x310 [ 299.296598][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.296646][ T7083] __x64_sys_mount+0x293/0x310 [ 299.296695][ T7083] ? __pfx___x64_sys_mount+0x10/0x10 [ 299.296757][ T7083] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.296814][ T7083] do_syscall_64+0x123/0x790 [ 299.296864][ T7083] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.296905][ T7083] RIP: 0033:0x7f39b819f10a [ 299.296938][ T7083] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 299.296974][ T7083] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 299.297013][ T7083] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 299.297040][ T7083] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 299.297067][ T7083] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 299.297094][ T7083] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 299.297120][ T7083] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 299.297172][ T7083] [ 299.383226][ T7083] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 299.383264][ T7083] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 300.099459][ T7087] loop1: detected capacity change from 0 to 32768 [ 300.111444][ T7087] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 300.111479][ T7087] CPU: 1 UID: 0 PID: 7087 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) [ 300.111526][ T7087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 300.111550][ T7087] Call Trace: [ 300.111564][ T7087] [ 300.111580][ T7087] dump_stack_lvl+0x100/0x190 [ 300.111647][ T7087] sysfs_warn_dup.cold+0x1c/0x28 [ 300.111711][ T7087] sysfs_create_dir_ns+0x24b/0x2b0 [ 300.111760][ T7087] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 300.111808][ T7087] ? find_held_lock+0x2b/0x80 [ 300.111847][ T7087] ? kobject_add_internal+0x25f/0x930 [ 300.111910][ T7087] ? kobject_add_internal+0x25f/0x930 [ 300.111981][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.112030][ T7087] ? do_raw_spin_unlock+0x145/0x1e0 [ 300.112096][ T7087] kobject_add_internal+0x2c8/0x930 [ 300.112166][ T7087] kobject_init_and_add+0x121/0x180 [ 300.112233][ T7087] ? __pfx_kobject_init_and_add+0x10/0x10 [ 300.112312][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.112360][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.112408][ T7087] ? lockdep_init_map_type+0x5c/0x250 [ 300.112463][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.112510][ T7087] ? lockdep_init_map_type+0x5c/0x250 [ 300.112574][ T7087] gfs2_sys_fs_add+0x209/0x410 [ 300.112622][ T7087] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 300.112666][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.112720][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.112768][ T7087] ? alloc_workqueue_noprof+0xe1/0x130 [ 300.112841][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.112904][ T7087] gfs2_fill_super+0x1438/0x2ce0 [ 300.112959][ T7087] ? __pfx_vsnprintf+0x10/0x10 [ 300.113019][ T7087] ? __pfx_gfs2_fill_super+0x10/0x10 [ 300.113073][ T7087] ? __pfx_snprintf+0x10/0x10 [ 300.113122][ T7087] ? find_held_lock+0x2b/0x80 [ 300.113159][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.113207][ T7087] ? set_blocksize+0x1cf/0x460 [ 300.113253][ T7087] ? setup_bdev_super+0x4b6/0x770 [ 300.113309][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.113358][ T7087] ? sb_set_blocksize+0x1f6/0x290 [ 300.113409][ T7087] ? get_tree_bdev_flags+0x38c/0x620 [ 300.113462][ T7087] get_tree_bdev_flags+0x38c/0x620 [ 300.113515][ T7087] ? __pfx_gfs2_fill_super+0x10/0x10 [ 300.113572][ T7087] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 300.113632][ T7087] ? rcu_is_watching+0x13/0xc0 [ 300.113672][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.113720][ T7087] ? apparmor_capable+0x1d7/0x4d0 [ 300.113771][ T7087] gfs2_get_tree+0x4e/0x280 [ 300.113826][ T7087] vfs_get_tree+0x92/0x320 [ 300.113867][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.113918][ T7087] path_mount+0x7d0/0x2850 [ 300.113972][ T7087] ? __pfx_path_mount+0x10/0x10 [ 300.114016][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.114065][ T7087] ? lockdep_hardirqs_on+0x7d/0x110 [ 300.114116][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.114164][ T7087] ? kmem_cache_free+0x127/0x6c0 [ 300.114223][ T7087] ? __x64_sys_mount+0x293/0x310 [ 300.114276][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.114325][ T7087] __x64_sys_mount+0x293/0x310 [ 300.114373][ T7087] ? __pfx___x64_sys_mount+0x10/0x10 [ 300.114426][ T7087] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.114484][ T7087] do_syscall_64+0x123/0x790 [ 300.114534][ T7087] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.114576][ T7087] RIP: 0033:0x7f39b819f10a [ 300.114608][ T7087] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 300.114646][ T7087] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 300.114684][ T7087] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 300.114712][ T7087] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 300.114739][ T7087] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 300.114766][ T7087] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 300.114792][ T7087] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 300.114845][ T7087] [ 300.199148][ T7087] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 300.199185][ T7087] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 300.871654][ T7091] loop1: detected capacity change from 0 to 32768 [ 300.884451][ T7091] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 300.884488][ T7091] CPU: 1 UID: 0 PID: 7091 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) [ 300.884536][ T7091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 300.884562][ T7091] Call Trace: [ 300.884576][ T7091] [ 300.884592][ T7091] dump_stack_lvl+0x100/0x190 [ 300.884660][ T7091] sysfs_warn_dup.cold+0x1c/0x28 [ 300.884726][ T7091] sysfs_create_dir_ns+0x24b/0x2b0 [ 300.884777][ T7091] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 300.884824][ T7091] ? find_held_lock+0x2b/0x80 [ 300.884863][ T7091] ? kobject_add_internal+0x25f/0x930 [ 300.884924][ T7091] ? kobject_add_internal+0x25f/0x930 [ 300.884990][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.885038][ T7091] ? do_raw_spin_unlock+0x145/0x1e0 [ 300.885103][ T7091] kobject_add_internal+0x2c8/0x930 [ 300.885173][ T7091] kobject_init_and_add+0x121/0x180 [ 300.885248][ T7091] ? __pfx_kobject_init_and_add+0x10/0x10 [ 300.885319][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.885369][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.885417][ T7091] ? lockdep_init_map_type+0x5c/0x250 [ 300.885474][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.885522][ T7091] ? lockdep_init_map_type+0x5c/0x250 [ 300.885585][ T7091] gfs2_sys_fs_add+0x209/0x410 [ 300.885632][ T7091] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 300.885675][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.885729][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.885777][ T7091] ? alloc_workqueue_noprof+0xe1/0x130 [ 300.885851][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.885914][ T7091] gfs2_fill_super+0x1438/0x2ce0 [ 300.885969][ T7091] ? __pfx_vsnprintf+0x10/0x10 [ 300.886030][ T7091] ? __pfx_gfs2_fill_super+0x10/0x10 [ 300.886084][ T7091] ? __pfx_snprintf+0x10/0x10 [ 300.886133][ T7091] ? find_held_lock+0x2b/0x80 [ 300.886172][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.886222][ T7091] ? set_blocksize+0x1cf/0x460 [ 300.886268][ T7091] ? setup_bdev_super+0x4b6/0x770 [ 300.886323][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.886371][ T7091] ? sb_set_blocksize+0x1f6/0x290 [ 300.886421][ T7091] ? get_tree_bdev_flags+0x38c/0x620 [ 300.886473][ T7091] get_tree_bdev_flags+0x38c/0x620 [ 300.886526][ T7091] ? __pfx_gfs2_fill_super+0x10/0x10 [ 300.886584][ T7091] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 300.886645][ T7091] ? rcu_is_watching+0x13/0xc0 [ 300.886686][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.886735][ T7091] ? apparmor_capable+0x1d7/0x4d0 [ 300.886787][ T7091] gfs2_get_tree+0x4e/0x280 [ 300.886843][ T7091] vfs_get_tree+0x92/0x320 [ 300.886884][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.886936][ T7091] path_mount+0x7d0/0x2850 [ 300.886992][ T7091] ? __pfx_path_mount+0x10/0x10 [ 300.887035][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.887082][ T7091] ? lockdep_hardirqs_on+0x7d/0x110 [ 300.887133][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.887181][ T7091] ? kmem_cache_free+0x127/0x6c0 [ 300.887240][ T7091] ? __x64_sys_mount+0x293/0x310 [ 300.887293][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.887341][ T7091] __x64_sys_mount+0x293/0x310 [ 300.887390][ T7091] ? __pfx___x64_sys_mount+0x10/0x10 [ 300.887443][ T7091] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.887501][ T7091] do_syscall_64+0x123/0x790 [ 300.887552][ T7091] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.887593][ T7091] RIP: 0033:0x7f39b819f10a [ 300.887626][ T7091] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 300.887664][ T7091] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 300.887702][ T7091] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 300.887729][ T7091] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 300.887756][ T7091] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 300.887783][ T7091] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 300.887810][ T7091] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 300.887862][ T7091] [ 300.892784][ T7091] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 300.892822][ T7091] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 301.665292][ T7095] loop1: detected capacity change from 0 to 32768 [ 301.673593][ T7095] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 301.673631][ T7095] CPU: 1 UID: 0 PID: 7095 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) [ 301.673677][ T7095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 301.673702][ T7095] Call Trace: [ 301.673715][ T7095] [ 301.673731][ T7095] dump_stack_lvl+0x100/0x190 [ 301.673799][ T7095] sysfs_warn_dup.cold+0x1c/0x28 [ 301.673868][ T7095] sysfs_create_dir_ns+0x24b/0x2b0 [ 301.673918][ T7095] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 301.673964][ T7095] ? find_held_lock+0x2b/0x80 [ 301.674004][ T7095] ? kobject_add_internal+0x25f/0x930 [ 301.674066][ T7095] ? kobject_add_internal+0x25f/0x930 [ 301.674129][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.674176][ T7095] ? do_raw_spin_unlock+0x145/0x1e0 [ 301.674239][ T7095] kobject_add_internal+0x2c8/0x930 [ 301.674317][ T7095] kobject_init_and_add+0x121/0x180 [ 301.674383][ T7095] ? __pfx_kobject_init_and_add+0x10/0x10 [ 301.674453][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.674503][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.674551][ T7095] ? lockdep_init_map_type+0x5c/0x250 [ 301.674608][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.674655][ T7095] ? lockdep_init_map_type+0x5c/0x250 [ 301.674719][ T7095] gfs2_sys_fs_add+0x209/0x410 [ 301.674767][ T7095] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 301.674811][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.674864][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.674912][ T7095] ? alloc_workqueue_noprof+0xe1/0x130 [ 301.674984][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.675046][ T7095] gfs2_fill_super+0x1438/0x2ce0 [ 301.675100][ T7095] ? __pfx_vsnprintf+0x10/0x10 [ 301.675161][ T7095] ? __pfx_gfs2_fill_super+0x10/0x10 [ 301.675215][ T7095] ? __pfx_snprintf+0x10/0x10 [ 301.675272][ T7095] ? find_held_lock+0x2b/0x80 [ 301.675311][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.675360][ T7095] ? set_blocksize+0x1cf/0x460 [ 301.675399][ T7095] ? setup_bdev_super+0x4b6/0x770 [ 301.675455][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.675504][ T7095] ? sb_set_blocksize+0x1f6/0x290 [ 301.675555][ T7095] ? get_tree_bdev_flags+0x38c/0x620 [ 301.675607][ T7095] get_tree_bdev_flags+0x38c/0x620 [ 301.675659][ T7095] ? __pfx_gfs2_fill_super+0x10/0x10 [ 301.675715][ T7095] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 301.675774][ T7095] ? rcu_is_watching+0x13/0xc0 [ 301.675815][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.675864][ T7095] ? apparmor_capable+0x1d7/0x4d0 [ 301.675916][ T7095] gfs2_get_tree+0x4e/0x280 [ 301.675972][ T7095] vfs_get_tree+0x92/0x320 [ 301.676014][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.676066][ T7095] path_mount+0x7d0/0x2850 [ 301.676121][ T7095] ? __pfx_path_mount+0x10/0x10 [ 301.676166][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.676215][ T7095] ? lockdep_hardirqs_on+0x7d/0x110 [ 301.676274][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.676322][ T7095] ? kmem_cache_free+0x127/0x6c0 [ 301.676381][ T7095] ? __x64_sys_mount+0x293/0x310 [ 301.676425][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.676473][ T7095] __x64_sys_mount+0x293/0x310 [ 301.676521][ T7095] ? __pfx___x64_sys_mount+0x10/0x10 [ 301.676572][ T7095] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.676630][ T7095] do_syscall_64+0x123/0x790 [ 301.676682][ T7095] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.676725][ T7095] RIP: 0033:0x7f39b819f10a [ 301.676759][ T7095] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 301.676797][ T7095] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 301.676837][ T7095] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 301.676865][ T7095] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 301.676892][ T7095] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 301.676920][ T7095] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 301.676947][ T7095] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 301.677000][ T7095] [ 301.762616][ T7095] kobject: kobject_add_internal failed for ȭujVgJ!} with -EEXIST, don't try to register things with the same name in the same directory. [ 301.762656][ T7095] gfs2: fsid=ȭujVgJ!}: error -17 adding sysfs files [ 302.480497][ T7099] loop1: detected capacity change from 0 to 32768 [ 302.493759][ T7099] sysfs: cannot create duplicate filename '/fs/gfs2/ȭujVgJ!}' [ 302.493795][ T7099] CPU: 1 UID: 0 PID: 7099 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) [ 302.493844][ T7099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 302.493874][ T7099] Call Trace: [ 302.493888][ T7099] [ 302.493904][ T7099] dump_stack_lvl+0x100/0x190 [ 302.493973][ T7099] sysfs_warn_dup.cold+0x1c/0x28 [ 302.494040][ T7099] sysfs_create_dir_ns+0x24b/0x2b0 [ 302.494093][ T7099] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 302.494141][ T7099] ? find_held_lock+0x2b/0x80 [ 302.494181][ T7099] ? kobject_add_internal+0x25f/0x930 [ 302.494246][ T7099] ? kobject_add_internal+0x25f/0x930 [ 302.494311][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.494360][ T7099] ? do_raw_spin_unlock+0x145/0x1e0 [ 302.494426][ T7099] kobject_add_internal+0x2c8/0x930 [ 302.494496][ T7099] kobject_init_and_add+0x121/0x180 [ 302.494562][ T7099] ? __pfx_kobject_init_and_add+0x10/0x10 [ 302.494634][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.494685][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.494733][ T7099] ? lockdep_init_map_type+0x5c/0x250 [ 302.494803][ T7099] ? srso_alias_return_thun ** replaying previous printk message ** [ 302.494803][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.494852][ T7099] ? lockdep_init_map_type+0x5c/0x250 [ 302.494917][ T7099] gfs2_sys_fs_add+0x209/0x410 [ 302.494965][ T7099] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 302.495010][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.495065][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.495113][ T7099] ? alloc_workqueue_noprof+0xe1/0x130 [ 302.495186][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.495248][ T7099] gfs2_fill_super+0x1438/0x2ce0 [ 302.495304][ T7099] ? __pfx_vsnprintf+0x10/0x10 [ 302.495366][ T7099] ? __pfx_gfs2_fill_super+0x10/0x10 [ 302.495421][ T7099] ? __pfx_snprintf+0x10/0x10 [ 302.495471][ T7099] ? find_held_lock+0x2b/0x80 [ 302.495510][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.495559][ T7099] ? set_blocksize+0x1cf/0x460 [ 302.495597][ T7099] ? setup_bdev_super+0x4b6/0x770 [ 302.495654][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.495702][ T7099] ? sb_set_blocksize+0x1f6/0x290 [ 302.495762][ T7099] ? get_tree_bdev_flags+0x38c/0x620 [ 302.495816][ T7099] get_tree_bdev_flags+0x38c/0x620 [ 302.495870][ T7099] ? __pfx_gfs2_fill_super+0x10/0x10 [ 302.495929][ T7099] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 302.495990][ T7099] ? rcu_is_watching+0x13/0xc0 [ 302.496032][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.496081][ T7099] ? apparmor_capable+0x1d7/0x4d0 [ 302.496135][ T7099] gfs2_get_tree+0x4e/0x280 [ 302.496191][ T7099] vfs_get_tree+0x92/0x320 [ 302.496234][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.496286][ T7099] path_mount+0x7d0/0x2850 [ 302.496342][ T7099] ? __pfx_path_mount+0x10/0x10 [ 302.496386][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.496434][ T7099] ? lockdep_hardirqs_on+0x7d/0x110 [ 302.496485][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.496534][ T7099] ? kmem_cache_free+0x127/0x6c0 [ 302.496594][ T7099] ? __x64_sys_mount+0x293/0x310 [ 302.496640][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.496690][ T7099] __x64_sys_mount+0x293/0x310 [ 302.496746][ T7099] ? __pfx___x64_sys_mount+0x10/0x10 [ 302.496800][ T7099] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.496860][ T7099] do_syscall_64+0x123/0x790 [ 302.496911][ T7099] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.496954][ T7099] RIP: 0033:0x7f39b819f10a [ 302.496987][ T7099] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48 [ 302.497025][ T7099] RSP: 002b:00007f39b9055e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 302.497064][ T7099] RAX: ffffffffffffffda RBX: 00007f39b9055ee0 RCX: 00007f39b819f10a [ 302.497092][ T7099] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f39b9055ea0 [ 302.497119][ T7099] RBP: 00002000000000c0 R08: 00007f39b9055ee0 R09: 0000000001814040 [ 302.497145][ T7099] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 302.497172][ T7099] R13: 00007f39b9055ea0 R14: 000000000003b314 R15: 0000200000006800 [ 302.497225][ T7099] [ 302.584003][ T32] INFO: task kworker/1:2:987 blocked in I/O wait for more than 143 seconds. [ 302.584041][ T32] Not tainted syzkaller #0 [ 302.584062][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 302.584080][ T32] task:kworker/1:2 state:D stack:25872 pid:987 tgid:987 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 302.584206][ T32] Workqueue: gfs2_recovery gfs2_recover_func [ 302.584256][ T32] Call Trace: [ 302.584270][ T32] [ 302.584291][ T32] __schedule+0x125e/0x6990 [ 302.584334][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.584383][ T32] ? __lock_acquire+0x5c0/0x1f40 [ 302.584455][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.584509][ T32] ? __pfx___schedule+0x10/0x10 [ 302.584546][ T32] ? find_held_lock+0x2b/0x80 [ 302.584586][ T32] ? schedule+0x225/0x2c0 [ 302.584622][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.584680][ T32] schedule+0xdd/0x2c0 [ 302.584724][ T32] io_schedule+0x8a/0xf0 [ 302.584765][ T32] folio_wait_bit_common+0x418/0xad0 [ 302.584813][ T32] ? folio_wait_bit_common+0x2a0/0xad0 [ 302.584868][ T32] ? __pfx_folio_wait_bit_common+0x10/0x10 [ 302.584914][ T32] ? crc32c+0xb0/0x360 [ 302.584956][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.585007][ T32] ? __pfx_blk_cgroup_bio_start+0x10/0x10 [ 302.586657][ T32] ? __pfx_wake_page_function+0x10/0x10 [ 302.586732][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.586781][ T32] ? __filemap_get_folio_mpol+0x364/0x1230 [ 302.586831][ T32] ? __submit_bio+0x95/0x3d0 [ 302.586886][ T32] gfs2_jhead_process_page+0x5ed/0x780 [ 302.586989][ T32] ? __pfx_gfs2_jhead_process_page+0x10/0x10 [ 302.587055][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.587109][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.587157][ T32] ? submit_bio_noacct+0x22a/0x2100 [ 302.587214][ T32] gfs2_find_jhead+0x8b1/0xdb0 [ 302.587300][ T32] ? __pfx_gfs2_find_jhead+0x10/0x10 [ 302.587369][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.587417][ T32] ? gfs2_jdesc_check+0x239/0x2f0 [ 302.587481][ T32] gfs2_recover_func.cold+0x5c0/0x1cdf [ 302.587534][ T32] ? ret_from_fork_asm+0x1a/0x30 [ 302.587588][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.587637][ T32] ? stack_trace_save+0x8e/0xc0 [ 302.587687][ T32] ? __pfx_stack_trace_save+0x10/0x10 [ 302.587754][ T32] ? __pfx_gfs2_recover_func+0x10/0x10 [ 302.587803][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.587853][ T32] ? add_lock_to_list+0x9d/0x1d0 [ 302.587917][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.587966][ T32] ? __lock_acquire+0xe8b/0x1f40 [ 302.588043][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.588094][ T32] ? process_one_work+0x906/0x1b10 [ 302.588134][ T32] ? process_one_work+0x906/0x1b10 [ 302.588173][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.588230][ T32] ? process_one_work+0xac7/0x1b10 [ 302.588268][ T32] process_one_work+0xac7/0x1b10 [ 302.588330][ T32] ? __pfx_process_one_work+0x10/0x10 [ 302.588374][ T32] ? lock_acquire+0x1d1/0x380 [ 302.590525][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.590584][ T32] worker_thread+0x5ef/0xe50 [ 302.590639][ T32] ? __pfx_worker_thread+0x10/0x10 [ 302.590683][ T32] ? kthread+0x13a/0x450 [ 302.590748][ T32] ? __pfx_worker_thread+0x10/0x10 [ 302.590788][ T32] kthread+0x373/0x450 [ 302.590847][ T32] ? __pfx_kthread+0x10/0x10 [ 302.590912][ T32] ret_from_fork+0x730/0xd60 [ 302.590964][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 302.591015][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.591063][ T32] ? __switch_to+0x800/0x10e0 [ 302.591122][ T32] ? __switch_to_asm+0x39/0x70 [ 302.591166][ T32] ? __pfx_kthread+0x10/0x10 [ 302.591230][ T32] ret_from_fork_asm+0x1a/0x30 [ 302.591299][ T32] [ 302.591398][ T32] INFO: task syz.0.17:6332 blocked for more than 143 seconds. [ 302.591427][ T32] Not tainted syzkaller #0 [ 302.591447][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 302.591465][ T32] task:syz.0.17 state:D stack:25080 pid:6332 tgid:6330 ppid:6222 task_flags:0x400140 flags:0x00080002 [ 302.591585][ T32] Call Trace: [ 302.591598][ T32] [ 302.591620][ T32] __schedule+0x125e/0x6990 [ 302.591661][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.591709][ T32] ? __lock_acquire+0x5c0/0x1f40 [ 302.591784][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.591838][ T32] ? __pfx___schedule+0x10/0x10 [ 302.591874][ T32] ? find_held_lock+0x2b/0x80 [ 302.591914][ T32] ? schedule+0x225/0x2c0 [ 302.593448][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.593509][ T32] schedule+0xdd/0x2c0 [ 302.593549][ T32] bit_wait+0xd/0x120 [ 302.593589][ T32] __wait_on_bit+0x65/0x180 [ 302.593632][ T32] ? __pfx_bit_wait+0x10/0x10 [ 302.593678][ T32] out_of_line_wait_on_bit+0xdc/0x110 [ 302.593730][ T32] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 302.593780][ T32] ? __pfx_wake_bit_function+0x10/0x10 [ 302.593832][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.593948][ T32] gfs2_recover_journal+0x140/0x160 [ 302.594002][ T32] init_inodes+0x11c4/0x2800 [ 302.594073][ T32] ? __pfx_init_inodes+0x10/0x10 [ 302.594135][ T32] ? gfs2_fill_super+0x1d35/0x2ce0 [ 302.594187][ T32] ? init_sb+0xb83/0xfd0 [ 302.594249][ T32] ? __pfx_snprintf+0x10/0x10 [ 302.594315][ T32] ? gfs2_fill_super+0x1d35/0x2ce0 [ 302.594366][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.594414][ T32] gfs2_fill_super+0x1d35/0x2ce0 [ 302.594466][ T32] ? __pfx_vsnprintf+0x10/0x10 [ 302.594526][ T32] ? __pfx_gfs2_fill_super+0x10/0x10 [ 302.594578][ T32] ? __pfx_snprintf+0x10/0x10 [ 302.594626][ T32] ? gfs2_fill_super+0x19b7/0x2ce0 [ 302.594678][ T32] ? find_held_lock+0x2b/0x80 [ 302.594715][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.594767][ T32] ? set_blocksize+0x1cf/0x460 [ 302.594806][ T32] ? setup_bdev_super+0x4b6/0x770 [ 302.594861][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.597828][ T32] ? sb_set_blocksize+0x1f6/0x290 [ 302.597884][ T32] ? get_tree_bdev_flags+0x38c/0x620 [ 302.597937][ T32] get_tree_bdev_flags+0x38c/0x620 [ 302.597988][ T32] ? __pfx_gfs2_fill_super+0x10/0x10 [ 302.598045][ T32] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 302.598105][ T32] ? rcu_is_watching+0x13/0xc0 [ 302.598145][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.598193][ T32] ? apparmor_capable+0x1d7/0x4d0 [ 302.598244][ T32] gfs2_get_tree+0x4e/0x280 [ 302.598300][ T32] vfs_get_tree+0x92/0x320 [ 302.598341][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.598392][ T32] path_mount+0x7d0/0x2850 [ 302.598448][ T32] ? __pfx_path_mount+0x10/0x10 [ 302.598491][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.598539][ T32] ? lockdep_hardirqs_on+0x7d/0x110 [ 302.598589][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.598637][ T32] ? kmem_cache_free+0x127/0x6c0 [ 302.598696][ T32] ? __x64_sys_mount+0x293/0x310 [ 302.598759][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.598807][ T32] __x64_sys_mount+0x293/0x310 [ 302.598854][ T32] ? __pfx___x64_sys_mount+0x10/0x10 [ 302.598906][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.598963][ T32] do_syscall_64+0x123/0x790 [ 302.599016][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.599058][ T32] RIP: 0033:0x7f10bcf9f10a [ 302.599090][ T32] RSP: 002b:00007f10bde5be58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 302.599129][ T32] RAX: ffffffffffffffda RBX: 00007f10bde5bee0 RCX: 00007f10bcf9f10a [ 302.599157][ T32] RDX: 00002000000000c0 RSI: 000020000003b300 RDI: 00007f10bde5bea0 [ 302.599184][ T32] RBP: 00002000000000c0 R08: 00007f10bde5bee0 R09: 0000000001814040 [ 302.599212][ T32] R10: 0000000001814040 R11: 0000000000000246 R12: 000020000003b300 [ 302.599237][ T32] R13: 00007f10bde5bea0 R14: 000000000003b314 R15: 0000200000006800 [ 302.602884][ T32] [ 302.602916][ T32] [ 302.602916][ T32] Showing all locks held in the system: [ 302.602935][ T32] locks held by pr/ttyS0/31: 2, last CPU#1: [ 302.602964][ T32] #0: ffffffff8ffd7518 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x49/0x60 [ 302.603081][ T32] #1: ffffffff9cf3cf38 (&port_lock_key){-.-.}-{3:3}, at: univ8250_console_device_lock+0x64/0xc0 [ 302.603195][ T32] locks held by khungtaskd/32: 1, last CPU#0: [ 302.603223][ T32] #0: ffffffff8ffeb2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184 [ 302.603346][ T32] locks held by kworker/1:2/987: 2, on CPU#1: [ 302.603375][ T32] #0: ffff888020bf6148 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x1461/0x1b10 [ 302.603487][ T32] #1: ffffc90004defd08 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0xa2c/0x1b10 [ 302.603600][ T32] locks held by udevd/4996: 1, last CPU#1: [ 302.603628][ T32] #0: ffffffff8ffeb2e0 (rcu_read_lock){....}-{1:3}, at: kernfs_dop_revalidate+0xda/0x840 [ 302.603741][ T32] locks held by getty/5384: 2, on CPU#1: [ 302.603768][ T32] #0: ffff8880388c50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 302.603947][ T32] #1: ffffc9000322e2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x1540 [ 302.604060][ T32] locks held by syz.0.17/6332: 1, on CPU#1: [ 302.604087][ T32] #0: ffff88802d44e0e8 (&type->s_umount_key#52/1){+.+.}-{4:4}, at: sget_fc+0x3c6/0x1f60 [ 302.604209][ T32] locks held by udevd/6381: 1, last CPU#0: [ 302.604236][ T32] #0: ffffffff8ffeb2e0 (rcu_read_lock){....}-{1:3}, at: ksys_write+0x12a/0x250 [ 302.609272][ T32] locks held by syz.1.186/7099: 1, last CPU#1: [ 302.609301][ T32] #0: ffff88802b9720e8 (&type->s_umount_key#52/1){+.+.}-{4:4}, at: sget_fc+0x3c6/0x1f60 [ 302.609425][ T32] [ 302.609435][ T32] ============================================= [ 302.609435][ T32] [ 302.609451][ T32] NMI backtrace for cpu 0 [ 302.609474][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 302.609518][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 302.609542][ T32] Call Trace: [ 302.609555][ T32] [ 302.609570][ T32] dump_stack_lvl+0x100/0x190 [ 302.609633][ T32] nmi_cpu_backtrace.cold+0x12d/0x151 [ 302.609699][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 302.609756][ T32] nmi_trigger_cpumask_backtrace+0x21f/0x2a0 [ 302.609826][ T32] sys_info+0x141/0x190 [ 302.609879][ T32] watchdog+0xd0f/0x10c0 [ 302.609951][ T32] ? __pfx_watchdog+0x10/0x10 [ 302.610008][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.610058][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.610104][ T32] ? __kthread_parkme+0x18f/0x230 [ 302.610163][ T32] ? kthread+0x13a/0x450 [ 302.610220][ T32] ? __pfx_watchdog+0x10/0x10 [ 302.610280][ T32] kthread+0x373/0x450 [ 302.610338][ T32] ? __pfx_kthread+0x10/0x10 [ 302.610400][ T32] ret_from_fork+0x730/0xd60 [ 302.610449][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 302.610500][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.610548][ T32] ? __switch_to+0x800/0x10e0 [ 302.610608][ T32] ? __switch_to_asm+0x39/0x70 [ 302.610652][ T32] ? __pfx_kthread+0x10/0x10 [ 302.610723][ T32] ret_from_fork_asm+0x1a/0x30 [ 302.610791][ T32] [ 302.610825][ T32] Sending NMI from CPU 0 to CPUs 1: [ 302.610860][ C1] NMI backtrace for cpu 1 [ 302.610880][ C1] CPU: 1 UID: 0 PID: 4996 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 302.610920][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 302.610944][ C1] RIP: 0010:__ieee80211_rx_handle_packet+0x68d/0x1b30 [ 302.611003][ C1] Code: c5 41 83 e5 01 44 89 ee e8 40 ef a6 f6 45 84 ed 74 90 e8 26 f5 a6 f6 49 8d be 90 1e 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 38 <84> c0 74 08 3c 03 0f 8e f4 11 00 00 41 8b 9e 90 1e 00 00 bf 04 00 [ 302.611039][ C1] RSP: 0018:ffffc90000a08b48 EFLAGS: 00000216 [ 302.611068][ C1] RAX: 0000000000000000 RBX: ffff8880340e19e8 RCX: 0000000000000100 [ 302.611092][ C1] RDX: ffff888014018000 RSI: ffffffff8b674a7a RDI: ffff8880340e2d90 [ 302.611117][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 302.611140][ C1] R10: ffff8880340e19ef R11: 0000000000000001 R12: 0000000000000080 [ 302.611164][ C1] R13: 0000000000000001 R14: ffff8880340e0f00 R15: dffffc0000000000 [ 302.611192][ C1] FS: 00007f8cb4949880(0000) GS:ffff88812257d000(0000) knlGS:0000000000000000 [ 302.611236][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 302.611262][ C1] CR2: 00007f39b824cc6b CR3: 0000000027883000 CR4: 0000000000350ef0 [ 302.611286][ C1] Call Trace: [ 302.611297][ C1] [ 302.611311][ C1] ? __entry_text_end+0x102035/0x102039 [ 302.611359][ C1] ? __pfx___ieee80211_rx_handle_packet+0x10/0x10 [ 302.611415][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.611467][ C1] ? kcov_remote_start+0x3bf/0x6d0 [ 302.611520][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.611563][ C1] ? lockdep_hardirqs_on+0x7d/0x110 [ 302.611603][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.611647][ C1] ? ieee80211_clean_skb+0x1a7/0x750 [ 302.611696][ C1] ieee80211_rx_list+0xef4/0x2020 [ 302.611752][ C1] ? __entry_text_end+0x102036/0x102039 [ 302.611799][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.611843][ C1] ? lock_acquire+0x1d1/0x380 [ 302.611888][ C1] ? ieee80211_rx_napi+0x9a/0x400 [ 302.611940][ C1] ? __pfx_ieee80211_rx_list+0x10/0x10 [ 302.611994][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.612042][ C1] ieee80211_rx_napi+0xdc/0x400 [ 302.612095][ C1] ? __pfx_ieee80211_rx_napi+0x10/0x10 [ 302.612147][ C1] ? lockdep_hardirqs_on+0x7d/0x110 [ 302.612186][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.612239][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 302.612281][ C1] ieee80211_handle_queued_frames+0xc8/0x120 [ 302.612327][ C1] tasklet_action_common+0x2de/0x3d0 [ 302.612374][ C1] handle_softirqs+0x216/0xa20 [ 302.612415][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 302.612452][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.612496][ C1] ? _raw_spin_unlock+0x28/0x50 [ 302.612551][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.612594][ C1] ? __hrtimer_rearm_deferred+0x9b/0x7b0 [ 302.612642][ C1] __irq_exit_rcu+0x178/0x220 [ 302.612679][ C1] irq_exit_rcu+0x9/0x30 [ 302.612715][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0 [ 302.612754][ C1] [ 302.612766][ C1] [ 302.612779][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 302.612820][ C1] RIP: 0010:rcu_read_lock_held+0x29/0x50 [ 302.612863][ C1] Code: 90 f3 0f 1e fa e8 a7 8b fb 09 ba 01 00 00 00 85 c0 75 07 89 d0 e9 d2 7a 1f ff e8 82 fd 00 00 84 c0 74 1a e8 99 41 01 00 84 c0 <74> 11 be ff ff ff ff 48 c7 c7 e0 b2 fe 8f e9 24 8a fb 09 31 d2 89 [ 302.612899][ C1] RSP: 0018:ffffc900039a7900 EFLAGS: 00000202 [ 302.612926][ C1] RAX: 0000000000000001 RBX: ffff888028028f00 RCX: 0000000000000000 [ 302.612950][ C1] RDX: 0000000000000003 RSI: ffffffff8c835900 RDI: ffffffff8fff70f0 [ 302.612974][ C1] RBP: ffff8880282a05a0 R08: 0000000000000000 R09: 0000000000000001 [ 302.612998][ C1] R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000001 [ 302.613021][ C1] R13: ffffc900039a7b30 R14: ffff888028028f00 R15: ffff888028028f00 [ 302.613060][ C1] kernfs_root+0x20e/0x2a0 [ 302.613105][ C1] kernfs_dop_revalidate+0x6e1/0x840 [ 302.613159][ C1] lookup_fast+0x3c7/0x600 [ 302.613205][ C1] ? inode_permission+0x377/0x630 [ 302.613257][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.613304][ C1] link_path_walk+0x7d9/0x1cc0 [ 302.613363][ C1] path_lookupat+0x74/0xc40 [ 302.613411][ C1] ? vfs_fstatat+0xd0/0xe0 [ 302.613445][ C1] ? __do_sys_newfstatat+0x9d/0x120 [ 302.613486][ C1] filename_lookup+0x202/0x590 [ 302.613541][ C1] ? __pfx_filename_lookup+0x10/0x10 [ 302.613613][ C1] ? __might_fault+0xc5/0x140 [ 302.613667][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.613711][ C1] ? find_held_lock+0x2b/0x80 [ 302.613745][ C1] ? __might_fault+0xc5/0x140 [ 302.613798][ C1] ? __might_fault+0xc5/0x140 [ 302.613850][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.613905][ C1] vfs_statx+0xff/0x3f0 [ 302.613939][ C1] ? __pfx_vfs_statx+0x10/0x10 [ 302.613976][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.614019][ C1] ? do_getname+0x191/0x390 [ 302.614062][ C1] vfs_fstatat+0x77/0xe0 [ 302.614099][ C1] __do_sys_newfstatat+0x9d/0x120 [ 302.614138][ C1] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 302.614197][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.614256][ C1] do_syscall_64+0x123/0x790 [ 302.614300][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.614337][ C1] RIP: 0033:0x7f8cb4311b0a [ 302.614364][ C1] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 302.614400][ C1] RSP: 002b:00007ffe9b9ed718 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 302.614434][ C1] RAX: ffffffffffffffda RBX: 00007ffe9b9edbb0 RCX: 00007f8cb4311b0a [ 302.614459][ C1] RDX: 00007ffe9b9ed720 RSI: 00007ffe9b9edbb0 RDI: 00000000ffffff9c [ 302.614484][ C1] RBP: 00005637f2828910 R08: 0000000000000000 R09: 0000000000000001 [ 302.614506][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe9b9ed7b0 [ 302.614529][ C1] R13: 00000000000000fe R14: 00005637eff50be0 R15: 00007ffe9b9ee2b0 [ 302.614568][ C1] [ 302.623846][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 304.565636][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 304.574783][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 304.584870][ T32] Call Trace: [ 304.588176][ T32] [ 304.591130][ T32] dump_stack_lvl+0x100/0x190 [ 304.595904][ T32] vpanic+0x2dc/0x6f8 [ 304.599929][ T32] panic+0xd1/0xe0 [ 304.603692][ T32] ? __pfx_panic+0x10/0x10 [ 304.608164][ T32] ? nmi_trigger_cpumask_backtrace+0x263/0x2a0 [ 304.614394][ T32] ? nmi_trigger_cpumask_backtrace+0x26d/0x2a0 [ 304.620625][ T32] ? watchdog.cold+0x20/0x26d [ 304.625367][ T32] watchdog.cold+0x31/0x26d [ 304.629946][ T32] ? __pfx_watchdog+0x10/0x10 [ 304.634701][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.640409][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.646103][ T32] ? __kthread_parkme+0x18f/0x230 [ 304.651200][ T32] ? kthread+0x13a/0x450 [ 304.655514][ T32] ? __pfx_watchdog+0x10/0x10 [ 304.660257][ T32] kthread+0x373/0x450 [ 304.664394][ T32] ? __pfx_kthread+0x10/0x10 [ 304.669058][ T32] ret_from_fork+0x730/0xd60 [ 304.673711][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 304.678884][ T32] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.684560][ T32] ? __switch_to+0x800/0x10e0 [ 304.689291][ T32] ? __switch_to_asm+0x39/0x70 [ 304.694085][ T32] ? __pfx_kthread+0x10/0x10 [ 304.698733][ T32] ret_from_fork_asm+0x1a/0x30 [ 304.703563][ T32] [ 304.706846][ T32] Kernel Offset: disabled [ 304.711170][ T32] Rebooting in 86400 seconds..