268.237701][ T6545] ? __pfx__printk+0x10/0x10 [ 268.237743][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.237772][ T6545] ? kernfs_path_from_node+0x250/0x290 [ 268.237800][ T6545] ? kernfs_path_from_node+0x2f/0x290 [ 268.237832][ T6545] sysfs_create_dir_ns+0x259/0x280 [ 268.237864][ T6545] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 268.237894][ T6545] ? do_raw_spin_unlock+0x122/0x240 [ 268.237933][ T6545] kobject_add_internal+0x59f/0xb40 [ 268.237969][ T6545] kobject_init_and_add+0x125/0x190 [ 268.238016][ T6545] ? __pfx_kobject_init_and_add+0x10/0x10 [ 268.238057][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.238086][ T6545] ? __raw_spin_lock_init+0x45/0x100 [ 268.238119][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.238147][ T6545] ? __init_swait_queue_head+0xa9/0x150 [ 268.238183][ T6545] gfs2_sys_fs_add+0x234/0x450 [ 268.238214][ T6545] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 268.238248][ T6545] ? is_dynamic_key+0xd6/0x1c0 [ 268.238284][ T6545] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 268.238335][ T6545] gfs2_fill_super+0x13c0/0x20d0 [ 268.238388][ T6545] ? __pfx_gfs2_fill_super+0x10/0x10 [ 268.238419][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.238455][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.238483][ T6545] ? sb_set_blocksize+0x104/0x180 [ 268.238522][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.238550][ T6545] ? setup_bdev_super+0x4c1/0x5b0 [ 268.238590][ T6545] get_tree_bdev_flags+0x40e/0x4d0 [ 268.238634][ T6545] ? __pfx_gfs2_fill_super+0x10/0x10 [ 268.238669][ T6545] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 268.238708][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.238746][ T6545] gfs2_get_tree+0x51/0x1e0 [ 268.238784][ T6545] vfs_get_tree+0x92/0x2b0 [ 268.238823][ T6545] do_new_mount+0x2a2/0x9e0 [ 268.238864][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.238892][ T6545] ? ns_capable+0x8a/0xf0 [ 268.238917][ T6545] ? __pfx_do_new_mount+0x10/0x10 [ 268.238953][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.238981][ T6545] ? path_mount+0x61c/0xfe0 [ 268.239015][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.239058][ T6545] __se_sys_mount+0x317/0x410 [ 268.239104][ T6545] ? __pfx___se_sys_mount+0x10/0x10 [ 268.239140][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.239176][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.239204][ T6545] ? __x64_sys_mount+0x20/0xc0 [ 268.239246][ T6545] do_syscall_64+0xfa/0x3b0 [ 268.239285][ T6545] ? lockdep_hardirqs_on+0x9c/0x150 [ 268.239320][ T6545] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 268.239345][ T6545] ? srso_alias_return_thunk+0x5/0xfbef5 [ 268.239373][ T6545] ? exc_page_fault+0x9f/0xf0 [ 268.239411][ T6545] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 268.239436][ T6545] RIP: 0033:0x7f1e1e59038a [ 268.239459][ T6545] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 268.239482][ T6545] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 268.239509][ T6545] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 268.239528][ T6545] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 268.239546][ T6545] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 268.239565][ T6545] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 268.239583][ T6545] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 268.239629][ T6545] [ 268.239662][ T6545] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 268.629813][ T6545] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 2025/08/26 17:22:01 executed programs: 124 [ 269.083480][ T6549] loop1: detected capacity change from 0 to 32768 [ 269.099408][ T6549] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 269.116627][ T6549] CPU: 1 UID: 0 PID: 6549 Comm: syz.1.139 Not tainted syzkaller #0 PREEMPT(full) [ 269.116659][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 269.116676][ T6549] Call Trace: [ 269.116686][ T6549] [ 269.116697][ T6549] dump_stack_lvl+0x189/0x250 [ 269.116738][ T6549] ? __pfx_dump_stack_lvl+0x10/0x10 [ 269.116768][ T6549] ? __pfx__printk+0x10/0x10 [ 269.116810][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.116839][ T6549] ? kernfs_path_from_node+0x250/0x290 [ 269.116868][ T6549] ? kernfs_path_from_node+0x2f/0x290 [ 269.116901][ T6549] sysfs_create_dir_ns+0x259/0x280 [ 269.116937][ T6549] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 269.116967][ T6549] ? do_raw_spin_unlock+0x122/0x240 [ 269.117005][ T6549] kobject_add_internal+0x59f/0xb40 [ 269.117038][ T6549] kobject_init_and_add+0x125/0x190 [ 269.117083][ T6549] ? __pfx_kobject_init_and_add+0x10/0x10 [ 269.117123][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.117152][ T6549] ? __raw_spin_lock_init+0x45/0x100 [ 269.117184][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.117212][ T6549] ? __init_swait_queue_head+0xa9/0x150 [ 269.117248][ T6549] gfs2_sys_fs_add+0x234/0x450 [ 269.117279][ T6549] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 269.117314][ T6549] ? is_dynamic_key+0xd6/0x1c0 [ 269.117361][ T6549] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 269.117412][ T6549] gfs2_fill_super+0x13c0/0x20d0 [ 269.117466][ T6549] ? __pfx_gfs2_fill_super+0x10/0x10 [ 269.117498][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.117533][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.117561][ T6549] ? sb_set_blocksize+0x104/0x180 [ 269.117599][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.117627][ T6549] ? setup_bdev_super+0x4c1/0x5b0 [ 269.117667][ T6549] get_tree_bdev_flags+0x40e/0x4d0 [ 269.117703][ T6549] ? __pfx_gfs2_fill_super+0x10/0x10 [ 269.117737][ T6549] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 269.117775][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.117812][ T6549] gfs2_get_tree+0x51/0x1e0 [ 269.117850][ T6549] vfs_get_tree+0x92/0x2b0 [ 269.117888][ T6549] do_new_mount+0x2a2/0x9e0 [ 269.117931][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.117959][ T6549] ? ns_capable+0x8a/0xf0 [ 269.117984][ T6549] ? __pfx_do_new_mount+0x10/0x10 [ 269.118019][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.118048][ T6549] ? path_mount+0x61c/0xfe0 [ 269.118083][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.118125][ T6549] __se_sys_mount+0x317/0x410 [ 269.118171][ T6549] ? __pfx___se_sys_mount+0x10/0x10 [ 269.118206][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.118243][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.118271][ T6549] ? __x64_sys_mount+0x20/0xc0 [ 269.118311][ T6549] do_syscall_64+0xfa/0x3b0 [ 269.118359][ T6549] ? lockdep_hardirqs_on+0x9c/0x150 [ 269.118396][ T6549] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 269.118420][ T6549] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.118448][ T6549] ? exc_page_fault+0x9f/0xf0 [ 269.118485][ T6549] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 269.118511][ T6549] RIP: 0033:0x7f1e1e59038a [ 269.118534][ T6549] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 269.118556][ T6549] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 269.118583][ T6549] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 269.118602][ T6549] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 269.118620][ T6549] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 269.118638][ T6549] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 269.118656][ T6549] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 269.118695][ T6549] [ 269.494958][ T6549] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 269.513663][ T6549] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 269.991156][ T6553] loop1: detected capacity change from 0 to 32768 [ 270.014631][ T6553] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 270.025244][ T6553] CPU: 0 UID: 0 PID: 6553 Comm: syz.1.140 Not tainted syzkaller #0 PREEMPT(full) [ 270.025274][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 270.025290][ T6553] Call Trace: [ 270.025303][ T6553] [ 270.025314][ T6553] dump_stack_lvl+0x189/0x250 [ 270.025355][ T6553] ? __pfx_dump_stack_lvl+0x10/0x10 [ 270.025386][ T6553] ? __pfx__printk+0x10/0x10 [ 270.025429][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.025458][ T6553] ? kernfs_path_from_node+0x250/0x290 [ 270.025485][ T6553] ? kernfs_path_from_node+0x2f/0x290 [ 270.025518][ T6553] sysfs_create_dir_ns+0x259/0x280 [ 270.025549][ T6553] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 270.025591][ T6553] ? do_raw_spin_unlock+0x122/0x240 [ 270.025629][ T6553] kobject_add_internal+0x59f/0xb40 [ 270.025665][ T6553] kobject_init_and_add+0x125/0x190 [ 270.025712][ T6553] ? __pfx_kobject_init_and_add+0x10/0x10 [ 270.025753][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.025781][ T6553] ? __raw_spin_lock_init+0x45/0x100 [ 270.025814][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.025843][ T6553] ? __init_swait_queue_head+0xa9/0x150 [ 270.025878][ T6553] gfs2_sys_fs_add+0x234/0x450 [ 270.025908][ T6553] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 270.025942][ T6553] ? is_dynamic_key+0xd6/0x1c0 [ 270.025977][ T6553] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 270.026028][ T6553] gfs2_fill_super+0x13c0/0x20d0 [ 270.026082][ T6553] ? __pfx_gfs2_fill_super+0x10/0x10 [ 270.026114][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.026150][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.026178][ T6553] ? sb_set_blocksize+0x104/0x180 [ 270.026217][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.026247][ T6553] ? setup_bdev_super+0x4c1/0x5b0 [ 270.026287][ T6553] get_tree_bdev_flags+0x40e/0x4d0 [ 270.026322][ T6553] ? __pfx_gfs2_fill_super+0x10/0x10 [ 270.026357][ T6553] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 270.026396][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.026433][ T6553] gfs2_get_tree+0x51/0x1e0 [ 270.026472][ T6553] vfs_get_tree+0x92/0x2b0 [ 270.026511][ T6553] do_new_mount+0x2a2/0x9e0 [ 270.026552][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.026590][ T6553] ? ns_capable+0x8a/0xf0 [ 270.026614][ T6553] ? __pfx_do_new_mount+0x10/0x10 [ 270.026649][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.026678][ T6553] ? path_mount+0x61c/0xfe0 [ 270.026712][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.026755][ T6553] __se_sys_mount+0x317/0x410 [ 270.026801][ T6553] ? __pfx___se_sys_mount+0x10/0x10 [ 270.026838][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.026875][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.026904][ T6553] ? __x64_sys_mount+0x20/0xc0 [ 270.026951][ T6553] do_syscall_64+0xfa/0x3b0 [ 270.026989][ T6553] ? lockdep_hardirqs_on+0x9c/0x150 [ 270.027024][ T6553] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 270.027049][ T6553] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.027077][ T6553] ? exc_page_fault+0x9f/0xf0 [ 270.027114][ T6553] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 270.027139][ T6553] RIP: 0033:0x7f1e1e59038a [ 270.027162][ T6553] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 270.027184][ T6553] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 270.027211][ T6553] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 270.027230][ T6553] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 270.027249][ T6553] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 270.027266][ T6553] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 270.027284][ T6553] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 270.027322][ T6553] [ 270.399411][ T6553] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 270.419772][ T6553] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 271.029598][ T6557] loop1: detected capacity change from 0 to 32768 [ 271.052285][ T6557] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 271.062893][ T6557] CPU: 0 UID: 0 PID: 6557 Comm: syz.1.141 Not tainted syzkaller #0 PREEMPT(full) [ 271.062923][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 271.062939][ T6557] Call Trace: [ 271.062949][ T6557] [ 271.062959][ T6557] dump_stack_lvl+0x189/0x250 [ 271.062999][ T6557] ? __pfx_dump_stack_lvl+0x10/0x10 [ 271.063029][ T6557] ? __pfx__printk+0x10/0x10 [ 271.063070][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.063099][ T6557] ? kernfs_path_from_node+0x250/0x290 [ 271.063126][ T6557] ? kernfs_path_from_node+0x2f/0x290 [ 271.063159][ T6557] sysfs_create_dir_ns+0x259/0x280 [ 271.063189][ T6557] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 271.063220][ T6557] ? do_raw_spin_unlock+0x122/0x240 [ 271.063258][ T6557] kobject_add_internal+0x59f/0xb40 [ 271.063293][ T6557] kobject_init_and_add+0x125/0x190 [ 271.063340][ T6557] ? __pfx_kobject_init_and_add+0x10/0x10 [ 271.063390][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.063418][ T6557] ? __raw_spin_lock_init+0x45/0x100 [ 271.063450][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.063478][ T6557] ? __init_swait_queue_head+0xa9/0x150 [ 271.063513][ T6557] gfs2_sys_fs_add+0x234/0x450 [ 271.063543][ T6557] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 271.063577][ T6557] ? is_dynamic_key+0xd6/0x1c0 [ 271.063613][ T6557] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 271.063663][ T6557] gfs2_fill_super+0x13c0/0x20d0 [ 271.063716][ T6557] ? __pfx_gfs2_fill_super+0x10/0x10 [ 271.063747][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.063782][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.063810][ T6557] ? sb_set_blocksize+0x104/0x180 [ 271.063848][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.063877][ T6557] ? setup_bdev_super+0x4c1/0x5b0 [ 271.063917][ T6557] get_tree_bdev_flags+0x40e/0x4d0 [ 271.063952][ T6557] ? __pfx_gfs2_fill_super+0x10/0x10 [ 271.063987][ T6557] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 271.064026][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.064063][ T6557] gfs2_get_tree+0x51/0x1e0 [ 271.064101][ T6557] vfs_get_tree+0x92/0x2b0 [ 271.064139][ T6557] do_new_mount+0x2a2/0x9e0 [ 271.064180][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.064208][ T6557] ? ns_capable+0x8a/0xf0 [ 271.064233][ T6557] ? __pfx_do_new_mount+0x10/0x10 [ 271.064269][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.064297][ T6557] ? path_mount+0x61c/0xfe0 [ 271.064330][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.064380][ T6557] __se_sys_mount+0x317/0x410 [ 271.064425][ T6557] ? __pfx___se_sys_mount+0x10/0x10 [ 271.064461][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.064497][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.064534][ T6557] ? __x64_sys_mount+0x20/0xc0 [ 271.064576][ T6557] do_syscall_64+0xfa/0x3b0 [ 271.064612][ T6557] ? lockdep_hardirqs_on+0x9c/0x150 [ 271.064648][ T6557] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 271.064672][ T6557] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.064700][ T6557] ? exc_page_fault+0x9f/0xf0 [ 271.064737][ T6557] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 271.064762][ T6557] RIP: 0033:0x7f1e1e59038a [ 271.064784][ T6557] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 271.064806][ T6557] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 271.064832][ T6557] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 271.064852][ T6557] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 271.064871][ T6557] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 271.064890][ T6557] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 271.064907][ T6557] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 271.064945][ T6557] [ 271.065065][ T6557] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 271.455159][ T6557] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 271.912866][ T6561] loop1: detected capacity change from 0 to 32768 [ 271.927671][ T6561] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 271.945377][ T6561] CPU: 0 UID: 0 PID: 6561 Comm: syz.1.142 Not tainted syzkaller #0 PREEMPT(full) [ 271.945410][ T6561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 271.945426][ T6561] Call Trace: [ 271.945436][ T6561] [ 271.945446][ T6561] dump_stack_lvl+0x189/0x250 [ 271.945486][ T6561] ? __pfx_dump_stack_lvl+0x10/0x10 [ 271.945517][ T6561] ? __pfx__printk+0x10/0x10 [ 271.945559][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.945589][ T6561] ? kernfs_path_from_node+0x250/0x290 [ 271.945623][ T6561] ? kernfs_path_from_node+0x2f/0x290 [ 271.945656][ T6561] sysfs_create_dir_ns+0x259/0x280 [ 271.945687][ T6561] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 271.945718][ T6561] ? do_raw_spin_unlock+0x122/0x240 [ 271.945755][ T6561] kobject_add_internal+0x59f/0xb40 [ 271.945791][ T6561] kobject_init_and_add+0x125/0x190 [ 271.945837][ T6561] ? __pfx_kobject_init_and_add+0x10/0x10 [ 271.945878][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.945906][ T6561] ? __raw_spin_lock_init+0x45/0x100 [ 271.945938][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.945967][ T6561] ? __init_swait_queue_head+0xa9/0x150 [ 271.946002][ T6561] gfs2_sys_fs_add+0x234/0x450 [ 271.946032][ T6561] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 271.946066][ T6561] ? is_dynamic_key+0xd6/0x1c0 [ 271.946102][ T6561] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 271.946152][ T6561] gfs2_fill_super+0x13c0/0x20d0 [ 271.946206][ T6561] ? __pfx_gfs2_fill_super+0x10/0x10 [ 271.946238][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.946273][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.946301][ T6561] ? sb_set_blocksize+0x104/0x180 [ 271.946340][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.946368][ T6561] ? setup_bdev_super+0x4c1/0x5b0 [ 271.946407][ T6561] get_tree_bdev_flags+0x40e/0x4d0 [ 271.946443][ T6561] ? __pfx_gfs2_fill_super+0x10/0x10 [ 271.946478][ T6561] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 271.946516][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.946554][ T6561] gfs2_get_tree+0x51/0x1e0 [ 271.946591][ T6561] vfs_get_tree+0x92/0x2b0 [ 271.946638][ T6561] do_new_mount+0x2a2/0x9e0 [ 271.946679][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.946707][ T6561] ? ns_capable+0x8a/0xf0 [ 271.946731][ T6561] ? __pfx_do_new_mount+0x10/0x10 [ 271.946767][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.946795][ T6561] ? path_mount+0x61c/0xfe0 [ 271.946829][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.946872][ T6561] __se_sys_mount+0x317/0x410 [ 271.946924][ T6561] ? __pfx___se_sys_mount+0x10/0x10 [ 271.946960][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.946997][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.947025][ T6561] ? __x64_sys_mount+0x20/0xc0 [ 271.947066][ T6561] do_syscall_64+0xfa/0x3b0 [ 271.947102][ T6561] ? lockdep_hardirqs_on+0x9c/0x150 [ 271.947137][ T6561] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 271.947161][ T6561] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.947189][ T6561] ? exc_page_fault+0x9f/0xf0 [ 271.947225][ T6561] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 271.947250][ T6561] RIP: 0033:0x7f1e1e59038a [ 271.947271][ T6561] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 271.947292][ T6561] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 271.947319][ T6561] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 271.947338][ T6561] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 271.947356][ T6561] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 271.947374][ T6561] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 271.947391][ T6561] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 271.947429][ T6561] [ 272.329345][ T6561] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 272.348162][ T6561] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 272.756491][ T6565] loop1: detected capacity change from 0 to 32768 [ 272.779297][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 272.790108][ T6565] CPU: 0 UID: 0 PID: 6565 Comm: syz.1.143 Not tainted syzkaller #0 PREEMPT(full) [ 272.790139][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 272.790155][ T6565] Call Trace: [ 272.790165][ T6565] [ 272.790176][ T6565] dump_stack_lvl+0x189/0x250 [ 272.790217][ T6565] ? __pfx_dump_stack_lvl+0x10/0x10 [ 272.790247][ T6565] ? __pfx__printk+0x10/0x10 [ 272.790288][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.790317][ T6565] ? kernfs_path_from_node+0x250/0x290 [ 272.790344][ T6565] ? kernfs_path_from_node+0x2f/0x290 [ 272.790376][ T6565] sysfs_create_dir_ns+0x259/0x280 [ 272.790407][ T6565] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 272.790437][ T6565] ? do_raw_spin_unlock+0x122/0x240 [ 272.790474][ T6565] kobject_add_internal+0x59f/0xb40 [ 272.790509][ T6565] kobject_init_and_add+0x125/0x190 [ 272.790555][ T6565] ? __pfx_kobject_init_and_add+0x10/0x10 [ 272.790596][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.790623][ T6565] ? __raw_spin_lock_init+0x45/0x100 [ 272.790660][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.790688][ T6565] ? __init_swait_queue_head+0xa9/0x150 [ 272.790722][ T6565] gfs2_sys_fs_add+0x234/0x450 [ 272.790752][ T6565] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 272.790785][ T6565] ? is_dynamic_key+0xd6/0x1c0 [ 272.790820][ T6565] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 272.790870][ T6565] gfs2_fill_super+0x13c0/0x20d0 [ 272.790922][ T6565] ? __pfx_gfs2_fill_super+0x10/0x10 [ 272.790954][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.790988][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.791016][ T6565] ? sb_set_blocksize+0x104/0x180 [ 272.791054][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.791082][ T6565] ? setup_bdev_super+0x4c1/0x5b0 [ 272.791122][ T6565] get_tree_bdev_flags+0x40e/0x4d0 [ 272.791156][ T6565] ? __pfx_gfs2_fill_super+0x10/0x10 [ 272.791190][ T6565] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 272.791228][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.791266][ T6565] gfs2_get_tree+0x51/0x1e0 [ 272.791303][ T6565] vfs_get_tree+0x92/0x2b0 [ 272.791340][ T6565] do_new_mount+0x2a2/0x9e0 [ 272.791382][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.791410][ T6565] ? ns_capable+0x8a/0xf0 [ 272.791437][ T6565] ? __pfx_do_new_mount+0x10/0x10 [ 272.791473][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.791502][ T6565] ? path_mount+0x61c/0xfe0 [ 272.791536][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.791579][ T6565] __se_sys_mount+0x317/0x410 [ 272.791626][ T6565] ? __pfx___se_sys_mount+0x10/0x10 [ 272.791669][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.791706][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.791735][ T6565] ? __x64_sys_mount+0x20/0xc0 [ 272.791776][ T6565] do_syscall_64+0xfa/0x3b0 [ 272.791813][ T6565] ? lockdep_hardirqs_on+0x9c/0x150 [ 272.791848][ T6565] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 272.791873][ T6565] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.791901][ T6565] ? exc_page_fault+0x9f/0xf0 [ 272.791939][ T6565] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 272.791964][ T6565] RIP: 0033:0x7f1e1e59038a [ 272.791988][ T6565] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 272.792010][ T6565] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 272.792038][ T6565] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 272.792058][ T6565] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 272.792077][ T6565] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 272.792096][ T6565] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 272.792114][ T6565] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 272.792153][ T6565] [ 272.792184][ T6565] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 273.180522][ T6565] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 273.639150][ T6569] loop1: detected capacity change from 0 to 32768 [ 273.664874][ T6569] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 273.679310][ T6569] CPU: 1 UID: 0 PID: 6569 Comm: syz.1.144 Not tainted syzkaller #0 PREEMPT(full) [ 273.679345][ T6569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 273.679371][ T6569] Call Trace: [ 273.679381][ T6569] [ 273.679392][ T6569] dump_stack_lvl+0x189/0x250 [ 273.679433][ T6569] ? __pfx_dump_stack_lvl+0x10/0x10 [ 273.679464][ T6569] ? __pfx__printk+0x10/0x10 [ 273.679504][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.679533][ T6569] ? kernfs_path_from_node+0x250/0x290 [ 273.679560][ T6569] ? kernfs_path_from_node+0x2f/0x290 [ 273.679591][ T6569] sysfs_create_dir_ns+0x259/0x280 [ 273.679629][ T6569] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 273.679659][ T6569] ? do_raw_spin_unlock+0x122/0x240 [ 273.679696][ T6569] kobject_add_internal+0x59f/0xb40 [ 273.679732][ T6569] kobject_init_and_add+0x125/0x190 [ 273.679778][ T6569] ? __pfx_kobject_init_and_add+0x10/0x10 [ 273.679818][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.679847][ T6569] ? __raw_spin_lock_init+0x45/0x100 [ 273.679878][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.679906][ T6569] ? __init_swait_queue_head+0xa9/0x150 [ 273.679941][ T6569] gfs2_sys_fs_add+0x234/0x450 [ 273.679971][ T6569] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 273.680004][ T6569] ? is_dynamic_key+0xd6/0x1c0 [ 273.680040][ T6569] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 273.680089][ T6569] gfs2_fill_super+0x13c0/0x20d0 [ 273.680140][ T6569] ? __pfx_gfs2_fill_super+0x10/0x10 [ 273.680172][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.680207][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.680234][ T6569] ? sb_set_blocksize+0x104/0x180 [ 273.680272][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.680300][ T6569] ? setup_bdev_super+0x4c1/0x5b0 [ 273.680345][ T6569] get_tree_bdev_flags+0x40e/0x4d0 [ 273.680385][ T6569] ? __pfx_gfs2_fill_super+0x10/0x10 [ 273.680419][ T6569] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 273.680456][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.680493][ T6569] gfs2_get_tree+0x51/0x1e0 [ 273.680529][ T6569] vfs_get_tree+0x92/0x2b0 [ 273.680565][ T6569] do_new_mount+0x2a2/0x9e0 [ 273.680602][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.680627][ T6569] ? ns_capable+0x8a/0xf0 [ 273.680652][ T6569] ? __pfx_do_new_mount+0x10/0x10 [ 273.680687][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.680714][ T6569] ? path_mount+0x61c/0xfe0 [ 273.680747][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.680788][ T6569] __se_sys_mount+0x317/0x410 [ 273.680833][ T6569] ? __pfx___se_sys_mount+0x10/0x10 [ 273.680869][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.680906][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.680933][ T6569] ? __x64_sys_mount+0x20/0xc0 [ 273.680974][ T6569] do_syscall_64+0xfa/0x3b0 [ 273.681011][ T6569] ? lockdep_hardirqs_on+0x9c/0x150 [ 273.681047][ T6569] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.681071][ T6569] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.681099][ T6569] ? exc_page_fault+0x9f/0xf0 [ 273.681136][ T6569] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.681161][ T6569] RIP: 0033:0x7f1e1e59038a [ 273.681183][ T6569] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 273.681205][ T6569] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 273.681231][ T6569] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 273.681251][ T6569] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 273.681270][ T6569] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 273.681288][ T6569] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 273.681305][ T6569] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 273.681343][ T6569] [ 273.681387][ T6569] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 274.071801][ T6569] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 2025/08/26 17:22:07 executed programs: 130 [ 274.533615][ T6573] loop1: detected capacity change from 0 to 32768 [ 274.549852][ T6573] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 274.561004][ T6573] CPU: 0 UID: 0 PID: 6573 Comm: syz.1.145 Not tainted syzkaller #0 PREEMPT(full) [ 274.561034][ T6573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 274.561050][ T6573] Call Trace: [ 274.561060][ T6573] [ 274.561072][ T6573] dump_stack_lvl+0x189/0x250 [ 274.561110][ T6573] ? __pfx_dump_stack_lvl+0x10/0x10 [ 274.561141][ T6573] ? __pfx__printk+0x10/0x10 [ 274.561183][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.561212][ T6573] ? kernfs_path_from_node+0x250/0x290 [ 274.561240][ T6573] ? kernfs_path_from_node+0x2f/0x290 [ 274.561272][ T6573] sysfs_create_dir_ns+0x259/0x280 [ 274.561303][ T6573] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 274.561333][ T6573] ? do_raw_spin_unlock+0x122/0x240 [ 274.561371][ T6573] kobject_add_internal+0x59f/0xb40 [ 274.561407][ T6573] kobject_init_and_add+0x125/0x190 [ 274.561455][ T6573] ? __pfx_kobject_init_and_add+0x10/0x10 [ 274.561496][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.561525][ T6573] ? __raw_spin_lock_init+0x45/0x100 [ 274.561557][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.561602][ T6573] ? __init_swait_queue_head+0xa9/0x150 [ 274.561637][ T6573] gfs2_sys_fs_add+0x234/0x450 [ 274.561668][ T6573] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 274.561702][ T6573] ? is_dynamic_key+0xd6/0x1c0 [ 274.561738][ T6573] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 274.561787][ T6573] gfs2_fill_super+0x13c0/0x20d0 [ 274.561841][ T6573] ? __pfx_gfs2_fill_super+0x10/0x10 [ 274.561873][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.561908][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.561937][ T6573] ? sb_set_blocksize+0x104/0x180 [ 274.561976][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.562005][ T6573] ? setup_bdev_super+0x4c1/0x5b0 [ 274.562046][ T6573] get_tree_bdev_flags+0x40e/0x4d0 [ 274.562082][ T6573] ? __pfx_gfs2_fill_super+0x10/0x10 [ 274.562116][ T6573] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 274.562155][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.562193][ T6573] gfs2_get_tree+0x51/0x1e0 [ 274.562230][ T6573] vfs_get_tree+0x92/0x2b0 [ 274.562269][ T6573] do_new_mount+0x2a2/0x9e0 [ 274.562309][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.562337][ T6573] ? ns_capable+0x8a/0xf0 [ 274.562363][ T6573] ? __pfx_do_new_mount+0x10/0x10 [ 274.562399][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.562427][ T6573] ? path_mount+0x61c/0xfe0 [ 274.562461][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.562504][ T6573] __se_sys_mount+0x317/0x410 [ 274.562549][ T6573] ? __pfx___se_sys_mount+0x10/0x10 [ 274.562592][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.562630][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.562659][ T6573] ? __x64_sys_mount+0x20/0xc0 [ 274.562701][ T6573] do_syscall_64+0xfa/0x3b0 [ 274.562739][ T6573] ? lockdep_hardirqs_on+0x9c/0x150 [ 274.562775][ T6573] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 274.562799][ T6573] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.562828][ T6573] ? exc_page_fault+0x9f/0xf0 [ 274.562866][ T6573] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 274.562891][ T6573] RIP: 0033:0x7f1e1e59038a [ 274.562912][ T6573] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 274.562935][ T6573] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 274.562962][ T6573] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 274.562981][ T6573] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 274.563000][ T6573] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 274.563018][ T6573] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 274.563036][ T6573] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 274.563074][ T6573] [ 274.563177][ T6573] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 274.951927][ T6573] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 275.411893][ T6577] loop1: detected capacity change from 0 to 32768 [ 275.423524][ T6577] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 275.437564][ T6577] CPU: 0 UID: 0 PID: 6577 Comm: syz.1.146 Not tainted syzkaller #0 PREEMPT(full) [ 275.437595][ T6577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 275.437619][ T6577] Call Trace: [ 275.437630][ T6577] [ 275.437640][ T6577] dump_stack_lvl+0x189/0x250 [ 275.437680][ T6577] ? __pfx_dump_stack_lvl+0x10/0x10 [ 275.437711][ T6577] ? __pfx__printk+0x10/0x10 [ 275.437752][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.437781][ T6577] ? kernfs_path_from_node+0x250/0x290 [ 275.437809][ T6577] ? kernfs_path_from_node+0x2f/0x290 [ 275.437842][ T6577] sysfs_create_dir_ns+0x259/0x280 [ 275.437874][ T6577] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 275.437903][ T6577] ? do_raw_spin_unlock+0x122/0x240 [ 275.437940][ T6577] kobject_add_internal+0x59f/0xb40 [ 275.437975][ T6577] kobject_init_and_add+0x125/0x190 [ 275.438022][ T6577] ? __pfx_kobject_init_and_add+0x10/0x10 [ 275.438062][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.438091][ T6577] ? __raw_spin_lock_init+0x45/0x100 [ 275.438123][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.438151][ T6577] ? __init_swait_queue_head+0xa9/0x150 [ 275.438186][ T6577] gfs2_sys_fs_add+0x234/0x450 [ 275.438216][ T6577] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 275.438249][ T6577] ? is_dynamic_key+0xd6/0x1c0 [ 275.438285][ T6577] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 275.438335][ T6577] gfs2_fill_super+0x13c0/0x20d0 [ 275.438389][ T6577] ? __pfx_gfs2_fill_super+0x10/0x10 [ 275.438421][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.438455][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.438483][ T6577] ? sb_set_blocksize+0x104/0x180 [ 275.438521][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.438549][ T6577] ? setup_bdev_super+0x4c1/0x5b0 [ 275.438589][ T6577] get_tree_bdev_flags+0x40e/0x4d0 [ 275.438629][ T6577] ? __pfx_gfs2_fill_super+0x10/0x10 [ 275.438664][ T6577] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 275.438702][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.438739][ T6577] gfs2_get_tree+0x51/0x1e0 [ 275.438777][ T6577] vfs_get_tree+0x92/0x2b0 [ 275.438815][ T6577] do_new_mount+0x2a2/0x9e0 [ 275.438856][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.438884][ T6577] ? ns_capable+0x8a/0xf0 [ 275.438908][ T6577] ? __pfx_do_new_mount+0x10/0x10 [ 275.438944][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.438972][ T6577] ? path_mount+0x61c/0xfe0 [ 275.439006][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.439048][ T6577] __se_sys_mount+0x317/0x410 [ 275.439094][ T6577] ? __pfx___se_sys_mount+0x10/0x10 [ 275.439130][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.439166][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.439194][ T6577] ? __x64_sys_mount+0x20/0xc0 [ 275.439236][ T6577] do_syscall_64+0xfa/0x3b0 [ 275.439272][ T6577] ? lockdep_hardirqs_on+0x9c/0x150 [ 275.439306][ T6577] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 275.439330][ T6577] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.439358][ T6577] ? exc_page_fault+0x9f/0xf0 [ 275.439395][ T6577] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 275.439419][ T6577] RIP: 0033:0x7f1e1e59038a [ 275.439440][ T6577] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 275.439462][ T6577] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 275.439489][ T6577] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 275.439508][ T6577] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 275.439527][ T6577] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 275.439546][ T6577] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 275.439563][ T6577] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 275.439601][ T6577] [ 275.439636][ T6577] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 275.829044][ T6577] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 276.285617][ T6581] loop1: detected capacity change from 0 to 32768 [ 276.308911][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 276.319995][ T6581] CPU: 0 UID: 0 PID: 6581 Comm: syz.1.147 Not tainted syzkaller #0 PREEMPT(full) [ 276.320026][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 276.320041][ T6581] Call Trace: [ 276.320051][ T6581] [ 276.320062][ T6581] dump_stack_lvl+0x189/0x250 [ 276.320101][ T6581] ? __pfx_dump_stack_lvl+0x10/0x10 [ 276.320132][ T6581] ? __pfx__printk+0x10/0x10 [ 276.320174][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.320203][ T6581] ? kernfs_path_from_node+0x250/0x290 [ 276.320231][ T6581] ? kernfs_path_from_node+0x2f/0x290 [ 276.320263][ T6581] sysfs_create_dir_ns+0x259/0x280 [ 276.320295][ T6581] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 276.320325][ T6581] ? do_raw_spin_unlock+0x122/0x240 [ 276.320371][ T6581] kobject_add_internal+0x59f/0xb40 [ 276.320415][ T6581] kobject_init_and_add+0x125/0x190 [ 276.320462][ T6581] ? __pfx_kobject_init_and_add+0x10/0x10 [ 276.320502][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.320531][ T6581] ? __raw_spin_lock_init+0x45/0x100 [ 276.320563][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.320591][ T6581] ? __init_swait_queue_head+0xa9/0x150 [ 276.320626][ T6581] gfs2_sys_fs_add+0x234/0x450 [ 276.320656][ T6581] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 276.320690][ T6581] ? is_dynamic_key+0xd6/0x1c0 [ 276.320725][ T6581] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 276.320774][ T6581] gfs2_fill_super+0x13c0/0x20d0 [ 276.320828][ T6581] ? __pfx_gfs2_fill_super+0x10/0x10 [ 276.320859][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.320894][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.320922][ T6581] ? sb_set_blocksize+0x104/0x180 [ 276.320960][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.320989][ T6581] ? setup_bdev_super+0x4c1/0x5b0 [ 276.321030][ T6581] get_tree_bdev_flags+0x40e/0x4d0 [ 276.321064][ T6581] ? __pfx_gfs2_fill_super+0x10/0x10 [ 276.321099][ T6581] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 276.321137][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.321175][ T6581] gfs2_get_tree+0x51/0x1e0 [ 276.321213][ T6581] vfs_get_tree+0x92/0x2b0 [ 276.321250][ T6581] do_new_mount+0x2a2/0x9e0 [ 276.321291][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.321319][ T6581] ? ns_capable+0x8a/0xf0 [ 276.321344][ T6581] ? __pfx_do_new_mount+0x10/0x10 [ 276.321380][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.321417][ T6581] ? path_mount+0x61c/0xfe0 [ 276.321451][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.321493][ T6581] __se_sys_mount+0x317/0x410 [ 276.321538][ T6581] ? __pfx___se_sys_mount+0x10/0x10 [ 276.321573][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.321610][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.321639][ T6581] ? __x64_sys_mount+0x20/0xc0 [ 276.321678][ T6581] do_syscall_64+0xfa/0x3b0 [ 276.321716][ T6581] ? lockdep_hardirqs_on+0x9c/0x150 [ 276.321751][ T6581] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 276.321775][ T6581] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.321803][ T6581] ? exc_page_fault+0x9f/0xf0 [ 276.321840][ T6581] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 276.321864][ T6581] RIP: 0033:0x7f1e1e59038a [ 276.321887][ T6581] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 276.321909][ T6581] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 276.321936][ T6581] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 276.321955][ T6581] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 276.321974][ T6581] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 276.321993][ T6581] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 276.322010][ T6581] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 276.322048][ T6581] [ 276.322077][ T6581] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 276.710846][ T6581] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 277.174884][ T6585] loop1: detected capacity change from 0 to 32768 [ 277.191221][ T6585] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 277.201870][ T6585] CPU: 0 UID: 0 PID: 6585 Comm: syz.1.148 Not tainted syzkaller #0 PREEMPT(full) [ 277.201899][ T6585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 277.201915][ T6585] Call Trace: [ 277.201925][ T6585] [ 277.201935][ T6585] dump_stack_lvl+0x189/0x250 [ 277.201974][ T6585] ? __pfx_dump_stack_lvl+0x10/0x10 [ 277.202004][ T6585] ? __pfx__printk+0x10/0x10 [ 277.202045][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.202073][ T6585] ? kernfs_path_from_node+0x250/0x290 [ 277.202100][ T6585] ? kernfs_path_from_node+0x2f/0x290 [ 277.202132][ T6585] sysfs_create_dir_ns+0x259/0x280 [ 277.202163][ T6585] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 277.202192][ T6585] ? do_raw_spin_unlock+0x122/0x240 [ 277.202229][ T6585] kobject_add_internal+0x59f/0xb40 [ 277.202264][ T6585] kobject_init_and_add+0x125/0x190 [ 277.202310][ T6585] ? __pfx_kobject_init_and_add+0x10/0x10 [ 277.202349][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.202377][ T6585] ? __raw_spin_lock_init+0x45/0x100 [ 277.202408][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.202442][ T6585] ? __init_swait_queue_head+0xa9/0x150 [ 277.202477][ T6585] gfs2_sys_fs_add+0x234/0x450 [ 277.202506][ T6585] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 277.202540][ T6585] ? is_dynamic_key+0xd6/0x1c0 [ 277.202574][ T6585] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 277.202624][ T6585] gfs2_fill_super+0x13c0/0x20d0 [ 277.202676][ T6585] ? __pfx_gfs2_fill_super+0x10/0x10 [ 277.202707][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.202741][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.202769][ T6585] ? sb_set_blocksize+0x104/0x180 [ 277.202807][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.202835][ T6585] ? setup_bdev_super+0x4c1/0x5b0 [ 277.202874][ T6585] get_tree_bdev_flags+0x40e/0x4d0 [ 277.202908][ T6585] ? __pfx_gfs2_fill_super+0x10/0x10 [ 277.202941][ T6585] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 277.202979][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.203016][ T6585] gfs2_get_tree+0x51/0x1e0 [ 277.203052][ T6585] vfs_get_tree+0x92/0x2b0 [ 277.203089][ T6585] do_new_mount+0x2a2/0x9e0 [ 277.203129][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.203157][ T6585] ? ns_capable+0x8a/0xf0 [ 277.203181][ T6585] ? __pfx_do_new_mount+0x10/0x10 [ 277.203216][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.203243][ T6585] ? path_mount+0x61c/0xfe0 [ 277.203277][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.203318][ T6585] __se_sys_mount+0x317/0x410 [ 277.203363][ T6585] ? __pfx___se_sys_mount+0x10/0x10 [ 277.203398][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.203440][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.203466][ T6585] ? __x64_sys_mount+0x20/0xc0 [ 277.203506][ T6585] do_syscall_64+0xfa/0x3b0 [ 277.203539][ T6585] ? lockdep_hardirqs_on+0x9c/0x150 [ 277.203572][ T6585] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.203596][ T6585] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.203628][ T6585] ? exc_page_fault+0x9f/0xf0 [ 277.203665][ T6585] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.203690][ T6585] RIP: 0033:0x7f1e1e59038a [ 277.203712][ T6585] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 277.203733][ T6585] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 277.203760][ T6585] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 277.203780][ T6585] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 277.203799][ T6585] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 277.203817][ T6585] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 277.203834][ T6585] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 277.203873][ T6585] [ 277.203996][ T6585] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 277.591523][ T6585] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 278.049220][ T6590] loop1: detected capacity change from 0 to 32768 [ 278.065401][ T6590] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 278.076490][ T6590] CPU: 0 UID: 0 PID: 6590 Comm: syz.1.149 Not tainted syzkaller #0 PREEMPT(full) [ 278.076523][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 278.076539][ T6590] Call Trace: [ 278.076548][ T6590] [ 278.076559][ T6590] dump_stack_lvl+0x189/0x250 [ 278.076599][ T6590] ? __pfx_dump_stack_lvl+0x10/0x10 [ 278.076629][ T6590] ? __pfx__printk+0x10/0x10 [ 278.076669][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.076697][ T6590] ? kernfs_path_from_node+0x250/0x290 [ 278.076724][ T6590] ? kernfs_path_from_node+0x2f/0x290 [ 278.076757][ T6590] sysfs_create_dir_ns+0x259/0x280 [ 278.076787][ T6590] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 278.076815][ T6590] ? do_raw_spin_unlock+0x122/0x240 [ 278.076852][ T6590] kobject_add_internal+0x59f/0xb40 [ 278.076886][ T6590] kobject_init_and_add+0x125/0x190 [ 278.076936][ T6590] ? __pfx_kobject_init_and_add+0x10/0x10 [ 278.076974][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.077002][ T6590] ? __raw_spin_lock_init+0x45/0x100 [ 278.077033][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.077059][ T6590] ? __init_swait_queue_head+0xa9/0x150 [ 278.077091][ T6590] gfs2_sys_fs_add+0x234/0x450 [ 278.077120][ T6590] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 278.077153][ T6590] ? is_dynamic_key+0xd6/0x1c0 [ 278.077187][ T6590] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 278.077237][ T6590] gfs2_fill_super+0x13c0/0x20d0 [ 278.077289][ T6590] ? __pfx_gfs2_fill_super+0x10/0x10 [ 278.077320][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.077354][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.077382][ T6590] ? sb_set_blocksize+0x104/0x180 [ 278.077427][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.077455][ T6590] ? setup_bdev_super+0x4c1/0x5b0 [ 278.077493][ T6590] get_tree_bdev_flags+0x40e/0x4d0 [ 278.077528][ T6590] ? __pfx_gfs2_fill_super+0x10/0x10 [ 278.077561][ T6590] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 278.077597][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.077633][ T6590] gfs2_get_tree+0x51/0x1e0 [ 278.077669][ T6590] vfs_get_tree+0x92/0x2b0 [ 278.077706][ T6590] do_new_mount+0x2a2/0x9e0 [ 278.077747][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.077774][ T6590] ? ns_capable+0x8a/0xf0 [ 278.077799][ T6590] ? __pfx_do_new_mount+0x10/0x10 [ 278.077834][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.077861][ T6590] ? path_mount+0x61c/0xfe0 [ 278.077895][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.077936][ T6590] __se_sys_mount+0x317/0x410 [ 278.077986][ T6590] ? __pfx___se_sys_mount+0x10/0x10 [ 278.078021][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.078057][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.078084][ T6590] ? __x64_sys_mount+0x20/0xc0 [ 278.078127][ T6590] do_syscall_64+0xfa/0x3b0 [ 278.078163][ T6590] ? lockdep_hardirqs_on+0x9c/0x150 [ 278.078198][ T6590] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.078221][ T6590] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.078249][ T6590] ? exc_page_fault+0x9f/0xf0 [ 278.078285][ T6590] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.078310][ T6590] RIP: 0033:0x7f1e1e59038a [ 278.078332][ T6590] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 278.078353][ T6590] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 278.078380][ T6590] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 278.078399][ T6590] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 278.078423][ T6590] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 278.078441][ T6590] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 278.078458][ T6590] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 278.078496][ T6590] [ 278.455951][ T6590] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 278.474516][ T6590] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 278.936609][ T6594] loop1: detected capacity change from 0 to 32768 [ 278.958615][ T6594] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 278.971350][ T6594] CPU: 0 UID: 0 PID: 6594 Comm: syz.1.150 Not tainted syzkaller #0 PREEMPT(full) [ 278.971390][ T6594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 278.971407][ T6594] Call Trace: [ 278.971417][ T6594] [ 278.971427][ T6594] dump_stack_lvl+0x189/0x250 [ 278.971469][ T6594] ? __pfx_dump_stack_lvl+0x10/0x10 [ 278.971500][ T6594] ? __pfx__printk+0x10/0x10 [ 278.971542][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.971571][ T6594] ? kernfs_path_from_node+0x250/0x290 [ 278.971599][ T6594] ? kernfs_path_from_node+0x2f/0x290 [ 278.971631][ T6594] sysfs_create_dir_ns+0x259/0x280 [ 278.971662][ T6594] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 278.971692][ T6594] ? do_raw_spin_unlock+0x122/0x240 [ 278.971729][ T6594] kobject_add_internal+0x59f/0xb40 [ 278.971765][ T6594] kobject_init_and_add+0x125/0x190 [ 278.971812][ T6594] ? __pfx_kobject_init_and_add+0x10/0x10 [ 278.971852][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.971880][ T6594] ? __raw_spin_lock_init+0x45/0x100 [ 278.971913][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.971940][ T6594] ? __init_swait_queue_head+0xa9/0x150 [ 278.971976][ T6594] gfs2_sys_fs_add+0x234/0x450 [ 278.972006][ T6594] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 278.972040][ T6594] ? is_dynamic_key+0xd6/0x1c0 [ 278.972075][ T6594] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 278.972126][ T6594] gfs2_fill_super+0x13c0/0x20d0 [ 278.972179][ T6594] ? __pfx_gfs2_fill_super+0x10/0x10 [ 278.972211][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.972245][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.972273][ T6594] ? sb_set_blocksize+0x104/0x180 [ 278.972312][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.972340][ T6594] ? setup_bdev_super+0x4c1/0x5b0 [ 278.972389][ T6594] get_tree_bdev_flags+0x40e/0x4d0 [ 278.972427][ T6594] ? __pfx_gfs2_fill_super+0x10/0x10 [ 278.972463][ T6594] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 278.972502][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.972539][ T6594] gfs2_get_tree+0x51/0x1e0 [ 278.972578][ T6594] vfs_get_tree+0x92/0x2b0 [ 278.972616][ T6594] do_new_mount+0x2a2/0x9e0 [ 278.972657][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.972685][ T6594] ? ns_capable+0x8a/0xf0 [ 278.972710][ T6594] ? __pfx_do_new_mount+0x10/0x10 [ 278.972745][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.972773][ T6594] ? path_mount+0x61c/0xfe0 [ 278.972808][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.972850][ T6594] __se_sys_mount+0x317/0x410 [ 278.972895][ T6594] ? __pfx___se_sys_mount+0x10/0x10 [ 278.972930][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.972967][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.972995][ T6594] ? __x64_sys_mount+0x20/0xc0 [ 278.973036][ T6594] do_syscall_64+0xfa/0x3b0 [ 278.973074][ T6594] ? lockdep_hardirqs_on+0x9c/0x150 [ 278.973109][ T6594] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.973133][ T6594] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.973162][ T6594] ? exc_page_fault+0x9f/0xf0 [ 278.973199][ T6594] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.973225][ T6594] RIP: 0033:0x7f1e1e59038a [ 278.973247][ T6594] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 278.973270][ T6594] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 278.973297][ T6594] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 278.973317][ T6594] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 278.973335][ T6594] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 278.973353][ T6594] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 278.973383][ T6594] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 278.973421][ T6594] [ 278.973463][ T6594] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 279.363601][ T6594] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 2025/08/26 17:22:12 executed programs: 136 [ 279.805050][ T6598] loop1: detected capacity change from 0 to 32768 [ 279.818480][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 279.831492][ T6598] CPU: 1 UID: 0 PID: 6598 Comm: syz.1.151 Not tainted syzkaller #0 PREEMPT(full) [ 279.831526][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 279.831542][ T6598] Call Trace: [ 279.831552][ T6598] [ 279.831563][ T6598] dump_stack_lvl+0x189/0x250 [ 279.831604][ T6598] ? __pfx_dump_stack_lvl+0x10/0x10 [ 279.831635][ T6598] ? __pfx__printk+0x10/0x10 [ 279.831685][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.831714][ T6598] ? kernfs_path_from_node+0x250/0x290 [ 279.831742][ T6598] ? kernfs_path_from_node+0x2f/0x290 [ 279.831775][ T6598] sysfs_create_dir_ns+0x259/0x280 [ 279.831805][ T6598] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 279.831838][ T6598] ? do_raw_spin_unlock+0x122/0x240 [ 279.831875][ T6598] kobject_add_internal+0x59f/0xb40 [ 279.831913][ T6598] kobject_init_and_add+0x125/0x190 [ 279.831960][ T6598] ? __pfx_kobject_init_and_add+0x10/0x10 [ 279.832002][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.832031][ T6598] ? __raw_spin_lock_init+0x45/0x100 [ 279.832064][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.832092][ T6598] ? __init_swait_queue_head+0xa9/0x150 [ 279.832127][ T6598] gfs2_sys_fs_add+0x234/0x450 [ 279.832158][ T6598] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 279.832193][ T6598] ? is_dynamic_key+0xd6/0x1c0 [ 279.832228][ T6598] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 279.832279][ T6598] gfs2_fill_super+0x13c0/0x20d0 [ 279.832333][ T6598] ? __pfx_gfs2_fill_super+0x10/0x10 [ 279.832365][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.832400][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.832428][ T6598] ? sb_set_blocksize+0x104/0x180 [ 279.832466][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.832495][ T6598] ? setup_bdev_super+0x4c1/0x5b0 [ 279.832535][ T6598] get_tree_bdev_flags+0x40e/0x4d0 [ 279.832570][ T6598] ? __pfx_gfs2_fill_super+0x10/0x10 [ 279.832606][ T6598] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 279.832652][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.832691][ T6598] gfs2_get_tree+0x51/0x1e0 [ 279.832730][ T6598] vfs_get_tree+0x92/0x2b0 [ 279.832768][ T6598] do_new_mount+0x2a2/0x9e0 [ 279.832808][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.832837][ T6598] ? ns_capable+0x8a/0xf0 [ 279.832862][ T6598] ? __pfx_do_new_mount+0x10/0x10 [ 279.832897][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.832925][ T6598] ? path_mount+0x61c/0xfe0 [ 279.832960][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.833002][ T6598] __se_sys_mount+0x317/0x410 [ 279.833048][ T6598] ? __pfx___se_sys_mount+0x10/0x10 [ 279.833084][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.833120][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.833149][ T6598] ? __x64_sys_mount+0x20/0xc0 [ 279.833190][ T6598] do_syscall_64+0xfa/0x3b0 [ 279.833227][ T6598] ? lockdep_hardirqs_on+0x9c/0x150 [ 279.833263][ T6598] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 279.833287][ T6598] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.833315][ T6598] ? exc_page_fault+0x9f/0xf0 [ 279.833352][ T6598] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 279.833377][ T6598] RIP: 0033:0x7f1e1e59038a [ 279.833400][ T6598] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 279.833422][ T6598] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 279.833449][ T6598] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 279.833469][ T6598] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 279.833488][ T6598] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 279.833506][ T6598] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 279.833524][ T6598] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 279.833563][ T6598] [ 279.833637][ T6598] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 280.221717][ T6598] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 280.674162][ T6602] loop1: detected capacity change from 0 to 32768 [ 280.700641][ T6602] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 280.711236][ T6602] CPU: 0 UID: 0 PID: 6602 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full) [ 280.711265][ T6602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 280.711281][ T6602] Call Trace: [ 280.711291][ T6602] [ 280.711301][ T6602] dump_stack_lvl+0x189/0x250 [ 280.711340][ T6602] ? __pfx_dump_stack_lvl+0x10/0x10 [ 280.711378][ T6602] ? __pfx__printk+0x10/0x10 [ 280.711420][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.711449][ T6602] ? kernfs_path_from_node+0x250/0x290 [ 280.711477][ T6602] ? kernfs_path_from_node+0x2f/0x290 [ 280.711511][ T6602] sysfs_create_dir_ns+0x259/0x280 [ 280.711542][ T6602] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 280.711571][ T6602] ? do_raw_spin_unlock+0x122/0x240 [ 280.711609][ T6602] kobject_add_internal+0x59f/0xb40 [ 280.711646][ T6602] kobject_init_and_add+0x125/0x190 [ 280.711693][ T6602] ? __pfx_kobject_init_and_add+0x10/0x10 [ 280.711734][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.711762][ T6602] ? __raw_spin_lock_init+0x45/0x100 [ 280.711794][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.711821][ T6602] ? __init_swait_queue_head+0xa9/0x150 [ 280.711856][ T6602] gfs2_sys_fs_add+0x234/0x450 [ 280.711886][ T6602] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 280.711920][ T6602] ? is_dynamic_key+0xd6/0x1c0 [ 280.711955][ T6602] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 280.712005][ T6602] gfs2_fill_super+0x13c0/0x20d0 [ 280.712059][ T6602] ? __pfx_gfs2_fill_super+0x10/0x10 [ 280.712090][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.712126][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.712155][ T6602] ? sb_set_blocksize+0x104/0x180 [ 280.712194][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.712222][ T6602] ? setup_bdev_super+0x4c1/0x5b0 [ 280.712261][ T6602] get_tree_bdev_flags+0x40e/0x4d0 [ 280.712297][ T6602] ? __pfx_gfs2_fill_super+0x10/0x10 [ 280.712331][ T6602] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 280.712381][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.712418][ T6602] gfs2_get_tree+0x51/0x1e0 [ 280.712456][ T6602] vfs_get_tree+0x92/0x2b0 [ 280.712494][ T6602] do_new_mount+0x2a2/0x9e0 [ 280.712535][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.712562][ T6602] ? ns_capable+0x8a/0xf0 [ 280.712587][ T6602] ? __pfx_do_new_mount+0x10/0x10 [ 280.712621][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.712650][ T6602] ? path_mount+0x61c/0xfe0 [ 280.712684][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.712726][ T6602] __se_sys_mount+0x317/0x410 [ 280.712773][ T6602] ? __pfx___se_sys_mount+0x10/0x10 [ 280.712809][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.712846][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.712874][ T6602] ? __x64_sys_mount+0x20/0xc0 [ 280.712915][ T6602] do_syscall_64+0xfa/0x3b0 [ 280.712952][ T6602] ? lockdep_hardirqs_on+0x9c/0x150 [ 280.712987][ T6602] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.713010][ T6602] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.713039][ T6602] ? exc_page_fault+0x9f/0xf0 [ 280.713077][ T6602] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.713101][ T6602] RIP: 0033:0x7f1e1e59038a [ 280.713123][ T6602] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 280.713145][ T6602] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 280.713171][ T6602] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 280.713190][ T6602] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 280.713209][ T6602] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 280.713227][ T6602] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 280.713244][ T6602] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 280.713282][ T6602] [ 280.713312][ T6602] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 281.107283][ T6602] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 281.551561][ T6606] loop1: detected capacity change from 0 to 32768 [ 281.578228][ T6606] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 281.592766][ T6606] CPU: 0 UID: 0 PID: 6606 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full) [ 281.592799][ T6606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 281.592814][ T6606] Call Trace: [ 281.592824][ T6606] [ 281.592835][ T6606] dump_stack_lvl+0x189/0x250 [ 281.592874][ T6606] ? __pfx_dump_stack_lvl+0x10/0x10 [ 281.592905][ T6606] ? __pfx__printk+0x10/0x10 [ 281.592946][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.592976][ T6606] ? kernfs_path_from_node+0x250/0x290 [ 281.593004][ T6606] ? kernfs_path_from_node+0x2f/0x290 [ 281.593038][ T6606] sysfs_create_dir_ns+0x259/0x280 [ 281.593070][ T6606] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 281.593100][ T6606] ? do_raw_spin_unlock+0x122/0x240 [ 281.593137][ T6606] kobject_add_internal+0x59f/0xb40 [ 281.593174][ T6606] kobject_init_and_add+0x125/0x190 [ 281.593221][ T6606] ? __pfx_kobject_init_and_add+0x10/0x10 [ 281.593262][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.593291][ T6606] ? __raw_spin_lock_init+0x45/0x100 [ 281.593323][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.593351][ T6606] ? __init_swait_queue_head+0xa9/0x150 [ 281.593387][ T6606] gfs2_sys_fs_add+0x234/0x450 [ 281.593417][ T6606] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 281.593452][ T6606] ? is_dynamic_key+0xd6/0x1c0 [ 281.593487][ T6606] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 281.593538][ T6606] gfs2_fill_super+0x13c0/0x20d0 [ 281.593598][ T6606] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.593630][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.593675][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.593704][ T6606] ? sb_set_blocksize+0x104/0x180 [ 281.593743][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.593771][ T6606] ? setup_bdev_super+0x4c1/0x5b0 [ 281.593811][ T6606] get_tree_bdev_flags+0x40e/0x4d0 [ 281.593847][ T6606] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.593881][ T6606] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 281.593919][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.593958][ T6606] gfs2_get_tree+0x51/0x1e0 [ 281.593995][ T6606] vfs_get_tree+0x92/0x2b0 [ 281.594033][ T6606] do_new_mount+0x2a2/0x9e0 [ 281.594075][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.594103][ T6606] ? ns_capable+0x8a/0xf0 [ 281.594128][ T6606] ? __pfx_do_new_mount+0x10/0x10 [ 281.594163][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.594192][ T6606] ? path_mount+0x61c/0xfe0 [ 281.594227][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.594270][ T6606] __se_sys_mount+0x317/0x410 [ 281.594340][ T6606] ? __pfx___se_sys_mount+0x10/0x10 [ 281.594377][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.594413][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.594442][ T6606] ? __x64_sys_mount+0x20/0xc0 [ 281.594483][ T6606] do_syscall_64+0xfa/0x3b0 [ 281.594520][ T6606] ? lockdep_hardirqs_on+0x9c/0x150 [ 281.594556][ T6606] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.594580][ T6606] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.594608][ T6606] ? exc_page_fault+0x9f/0xf0 [ 281.594653][ T6606] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.594678][ T6606] RIP: 0033:0x7f1e1e59038a [ 281.594700][ T6606] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 281.594723][ T6606] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 281.594749][ T6606] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 281.594768][ T6606] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 281.594788][ T6606] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 281.594806][ T6606] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 281.594823][ T6606] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 281.594862][ T6606] [ 281.594893][ T6606] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 281.984085][ T6606] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 282.445246][ T6610] loop1: detected capacity change from 0 to 32768 [ 282.458791][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 282.469428][ T6610] CPU: 0 UID: 0 PID: 6610 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full) [ 282.469458][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 282.469473][ T6610] Call Trace: [ 282.469483][ T6610] [ 282.469494][ T6610] dump_stack_lvl+0x189/0x250 [ 282.469534][ T6610] ? __pfx_dump_stack_lvl+0x10/0x10 [ 282.469564][ T6610] ? __pfx__printk+0x10/0x10 [ 282.469605][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.469645][ T6610] ? kernfs_path_from_node+0x250/0x290 [ 282.469672][ T6610] ? kernfs_path_from_node+0x2f/0x290 [ 282.469704][ T6610] sysfs_create_dir_ns+0x259/0x280 [ 282.469733][ T6610] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 282.469762][ T6610] ? do_raw_spin_unlock+0x122/0x240 [ 282.469800][ T6610] kobject_add_internal+0x59f/0xb40 [ 282.469835][ T6610] kobject_init_and_add+0x125/0x190 [ 282.469881][ T6610] ? __pfx_kobject_init_and_add+0x10/0x10 [ 282.469921][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.469949][ T6610] ? __raw_spin_lock_init+0x45/0x100 [ 282.469980][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.470008][ T6610] ? __init_swait_queue_head+0xa9/0x150 [ 282.470042][ T6610] gfs2_sys_fs_add+0x234/0x450 [ 282.470072][ T6610] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 282.470106][ T6610] ? is_dynamic_key+0xd6/0x1c0 [ 282.470141][ T6610] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 282.470191][ T6610] gfs2_fill_super+0x13c0/0x20d0 [ 282.470244][ T6610] ? __pfx_gfs2_fill_super+0x10/0x10 [ 282.470275][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.470310][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.470338][ T6610] ? sb_set_blocksize+0x104/0x180 [ 282.470376][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.470404][ T6610] ? setup_bdev_super+0x4c1/0x5b0 [ 282.470443][ T6610] get_tree_bdev_flags+0x40e/0x4d0 [ 282.470478][ T6610] ? __pfx_gfs2_fill_super+0x10/0x10 [ 282.470512][ T6610] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 282.470549][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.470586][ T6610] gfs2_get_tree+0x51/0x1e0 [ 282.470633][ T6610] vfs_get_tree+0x92/0x2b0 [ 282.470671][ T6610] do_new_mount+0x2a2/0x9e0 [ 282.470711][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.470739][ T6610] ? ns_capable+0x8a/0xf0 [ 282.470764][ T6610] ? __pfx_do_new_mount+0x10/0x10 [ 282.470798][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.470826][ T6610] ? path_mount+0x61c/0xfe0 [ 282.470860][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.470902][ T6610] __se_sys_mount+0x317/0x410 [ 282.470947][ T6610] ? __pfx___se_sys_mount+0x10/0x10 [ 282.470983][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.471019][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.471047][ T6610] ? __x64_sys_mount+0x20/0xc0 [ 282.471087][ T6610] do_syscall_64+0xfa/0x3b0 [ 282.471123][ T6610] ? lockdep_hardirqs_on+0x9c/0x150 [ 282.471158][ T6610] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.471181][ T6610] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.471209][ T6610] ? exc_page_fault+0x9f/0xf0 [ 282.471246][ T6610] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.471271][ T6610] RIP: 0033:0x7f1e1e59038a [ 282.471292][ T6610] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 282.471314][ T6610] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 282.471339][ T6610] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 282.471358][ T6610] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 282.471377][ T6610] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 282.471395][ T6610] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 282.471412][ T6610] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 282.471449][ T6610] [ 282.471478][ T6610] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 282.797112][ T5939] Bluetooth: hci1: command 0x0406 tx timeout [ 282.803973][ T6610] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 283.334838][ T6614] loop1: detected capacity change from 0 to 32768 [ 283.358108][ T6614] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 283.368908][ T6614] CPU: 1 UID: 0 PID: 6614 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) [ 283.368941][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 283.368957][ T6614] Call Trace: [ 283.368967][ T6614] [ 283.368978][ T6614] dump_stack_lvl+0x189/0x250 [ 283.369017][ T6614] ? __pfx_dump_stack_lvl+0x10/0x10 [ 283.369048][ T6614] ? __pfx__printk+0x10/0x10 [ 283.369088][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.369116][ T6614] ? kernfs_path_from_node+0x250/0x290 [ 283.369143][ T6614] ? kernfs_path_from_node+0x2f/0x290 [ 283.369175][ T6614] sysfs_create_dir_ns+0x259/0x280 [ 283.369204][ T6614] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 283.369233][ T6614] ? do_raw_spin_unlock+0x122/0x240 [ 283.369270][ T6614] kobject_add_internal+0x59f/0xb40 [ 283.369305][ T6614] kobject_init_and_add+0x125/0x190 [ 283.369357][ T6614] ? __pfx_kobject_init_and_add+0x10/0x10 [ 283.369397][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.369424][ T6614] ? __raw_spin_lock_init+0x45/0x100 [ 283.369456][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.369483][ T6614] ? __init_swait_queue_head+0xa9/0x150 [ 283.369517][ T6614] gfs2_sys_fs_add+0x234/0x450 [ 283.369547][ T6614] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 283.369580][ T6614] ? is_dynamic_key+0xd6/0x1c0 [ 283.369616][ T6614] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 283.369665][ T6614] gfs2_fill_super+0x13c0/0x20d0 [ 283.369718][ T6614] ? __pfx_gfs2_fill_super+0x10/0x10 [ 283.369749][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.369783][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.369812][ T6614] ? sb_set_blocksize+0x104/0x180 [ 283.369850][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.369878][ T6614] ? setup_bdev_super+0x4c1/0x5b0 [ 283.369916][ T6614] get_tree_bdev_flags+0x40e/0x4d0 [ 283.369951][ T6614] ? __pfx_gfs2_fill_super+0x10/0x10 [ 283.369986][ T6614] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 283.370024][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.370062][ T6614] gfs2_get_tree+0x51/0x1e0 [ 283.370100][ T6614] vfs_get_tree+0x92/0x2b0 [ 283.370137][ T6614] do_new_mount+0x2a2/0x9e0 [ 283.370178][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.370206][ T6614] ? ns_capable+0x8a/0xf0 [ 283.370231][ T6614] ? __pfx_do_new_mount+0x10/0x10 [ 283.370267][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.370294][ T6614] ? path_mount+0x61c/0xfe0 [ 283.370328][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.370383][ T6614] __se_sys_mount+0x317/0x410 [ 283.370428][ T6614] ? __pfx___se_sys_mount+0x10/0x10 [ 283.370464][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.370501][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.370529][ T6614] ? __x64_sys_mount+0x20/0xc0 [ 283.370569][ T6614] do_syscall_64+0xfa/0x3b0 [ 283.370607][ T6614] ? lockdep_hardirqs_on+0x9c/0x150 [ 283.370640][ T6614] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.370663][ T6614] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.370690][ T6614] ? exc_page_fault+0x9f/0xf0 [ 283.370725][ T6614] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.370749][ T6614] RIP: 0033:0x7f1e1e59038a [ 283.370771][ T6614] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 283.370791][ T6614] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 283.370817][ T6614] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 283.370836][ T6614] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 283.370854][ T6614] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 283.370871][ T6614] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 283.370888][ T6614] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 283.370925][ T6614] [ 283.371113][ T6614] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 283.760261][ T6614] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 284.219542][ T6618] loop1: detected capacity change from 0 to 32768 [ 284.243727][ T6618] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 284.254357][ T6618] CPU: 0 UID: 0 PID: 6618 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) [ 284.254387][ T6618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 284.254403][ T6618] Call Trace: [ 284.254413][ T6618] [ 284.254424][ T6618] dump_stack_lvl+0x189/0x250 [ 284.254463][ T6618] ? __pfx_dump_stack_lvl+0x10/0x10 [ 284.254494][ T6618] ? __pfx__printk+0x10/0x10 [ 284.254535][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.254564][ T6618] ? kernfs_path_from_node+0x250/0x290 [ 284.254591][ T6618] ? kernfs_path_from_node+0x2f/0x290 [ 284.254623][ T6618] sysfs_create_dir_ns+0x259/0x280 [ 284.254653][ T6618] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 284.254682][ T6618] ? do_raw_spin_unlock+0x122/0x240 [ 284.254719][ T6618] kobject_add_internal+0x59f/0xb40 [ 284.254756][ T6618] kobject_init_and_add+0x125/0x190 [ 284.254801][ T6618] ? __pfx_kobject_init_and_add+0x10/0x10 [ 284.254841][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.254868][ T6618] ? __raw_spin_lock_init+0x45/0x100 [ 284.254900][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.254927][ T6618] ? __init_swait_queue_head+0xa9/0x150 [ 284.254961][ T6618] gfs2_sys_fs_add+0x234/0x450 [ 284.254990][ T6618] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 284.255024][ T6618] ? is_dynamic_key+0xd6/0x1c0 [ 284.255060][ T6618] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 284.255109][ T6618] gfs2_fill_super+0x13c0/0x20d0 [ 284.255162][ T6618] ? __pfx_gfs2_fill_super+0x10/0x10 [ 284.255192][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.255226][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.255254][ T6618] ? sb_set_blocksize+0x104/0x180 [ 284.255292][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.255326][ T6618] ? setup_bdev_super+0x4c1/0x5b0 [ 284.255365][ T6618] get_tree_bdev_flags+0x40e/0x4d0 [ 284.255399][ T6618] ? __pfx_gfs2_fill_super+0x10/0x10 [ 284.255433][ T6618] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 284.255471][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.255507][ T6618] gfs2_get_tree+0x51/0x1e0 [ 284.255544][ T6618] vfs_get_tree+0x92/0x2b0 [ 284.255582][ T6618] do_new_mount+0x2a2/0x9e0 [ 284.255621][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.255649][ T6618] ? ns_capable+0x8a/0xf0 [ 284.255673][ T6618] ? __pfx_do_new_mount+0x10/0x10 [ 284.255707][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.255735][ T6618] ? path_mount+0x61c/0xfe0 [ 284.255768][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.255810][ T6618] __se_sys_mount+0x317/0x410 [ 284.255854][ T6618] ? __pfx___se_sys_mount+0x10/0x10 [ 284.255889][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.255925][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.255952][ T6618] ? __x64_sys_mount+0x20/0xc0 [ 284.255993][ T6618] do_syscall_64+0xfa/0x3b0 [ 284.256029][ T6618] ? lockdep_hardirqs_on+0x9c/0x150 [ 284.256064][ T6618] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.256087][ T6618] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.256115][ T6618] ? exc_page_fault+0x9f/0xf0 [ 284.256151][ T6618] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.256175][ T6618] RIP: 0033:0x7f1e1e59038a [ 284.256197][ T6618] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 284.256219][ T6618] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 284.256245][ T6618] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 284.256264][ T6618] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 284.256283][ T6618] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 284.256300][ T6618] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 284.256323][ T6618] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 284.256361][ T6618] [ 284.256391][ T6618] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 284.645080][ T6618] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 2025/08/26 17:22:17 executed programs: 142 [ 285.093897][ T6622] loop1: detected capacity change from 0 to 32768 [ 285.104411][ T6622] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 285.118297][ T6622] CPU: 0 UID: 0 PID: 6622 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) [ 285.118328][ T6622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 285.118344][ T6622] Call Trace: [ 285.118364][ T6622] [ 285.118375][ T6622] dump_stack_lvl+0x189/0x250 [ 285.118413][ T6622] ? __pfx_dump_stack_lvl+0x10/0x10 [ 285.118444][ T6622] ? __pfx__printk+0x10/0x10 [ 285.118485][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.118514][ T6622] ? kernfs_path_from_node+0x250/0x290 [ 285.118541][ T6622] ? kernfs_path_from_node+0x2f/0x290 [ 285.118573][ T6622] sysfs_create_dir_ns+0x259/0x280 [ 285.118604][ T6622] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 285.118633][ T6622] ? do_raw_spin_unlock+0x122/0x240 [ 285.118670][ T6622] kobject_add_internal+0x59f/0xb40 [ 285.118706][ T6622] kobject_init_and_add+0x125/0x190 [ 285.118752][ T6622] ? __pfx_kobject_init_and_add+0x10/0x10 [ 285.118793][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.118821][ T6622] ? __raw_spin_lock_init+0x45/0x100 [ 285.118853][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.118880][ T6622] ? __init_swait_queue_head+0xa9/0x150 [ 285.118915][ T6622] gfs2_sys_fs_add+0x234/0x450 [ 285.118945][ T6622] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 285.118979][ T6622] ? is_dynamic_key+0xd6/0x1c0 [ 285.119014][ T6622] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 285.119065][ T6622] gfs2_fill_super+0x13c0/0x20d0 [ 285.119118][ T6622] ? __pfx_gfs2_fill_super+0x10/0x10 [ 285.119149][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.119184][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.119212][ T6622] ? sb_set_blocksize+0x104/0x180 [ 285.119250][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.119278][ T6622] ? setup_bdev_super+0x4c1/0x5b0 [ 285.119317][ T6622] get_tree_bdev_flags+0x40e/0x4d0 [ 285.119352][ T6622] ? __pfx_gfs2_fill_super+0x10/0x10 [ 285.119394][ T6622] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 285.119432][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.119469][ T6622] gfs2_get_tree+0x51/0x1e0 [ 285.119506][ T6622] vfs_get_tree+0x92/0x2b0 [ 285.119544][ T6622] do_new_mount+0x2a2/0x9e0 [ 285.119586][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.119613][ T6622] ? ns_capable+0x8a/0xf0 [ 285.119638][ T6622] ? __pfx_do_new_mount+0x10/0x10 [ 285.119673][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.119701][ T6622] ? path_mount+0x61c/0xfe0 [ 285.119735][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.119777][ T6622] __se_sys_mount+0x317/0x410 [ 285.119822][ T6622] ? __pfx___se_sys_mount+0x10/0x10 [ 285.119857][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.119893][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.119921][ T6622] ? __x64_sys_mount+0x20/0xc0 [ 285.119962][ T6622] do_syscall_64+0xfa/0x3b0 [ 285.119998][ T6622] ? lockdep_hardirqs_on+0x9c/0x150 [ 285.120032][ T6622] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.120056][ T6622] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.120083][ T6622] ? exc_page_fault+0x9f/0xf0 [ 285.120120][ T6622] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.120144][ T6622] RIP: 0033:0x7f1e1e59038a [ 285.120167][ T6622] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 285.120189][ T6622] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 285.120214][ T6622] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 285.120233][ T6622] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 285.120251][ T6622] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 285.120269][ T6622] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 285.120286][ T6622] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 285.120324][ T6622] [ 285.120366][ T6622] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 285.508821][ T6622] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 285.970510][ T6626] loop1: detected capacity change from 0 to 32768 [ 285.986513][ T6626] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 285.998867][ T6626] CPU: 1 UID: 0 PID: 6626 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) [ 285.998896][ T6626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 285.998912][ T6626] Call Trace: [ 285.998922][ T6626] [ 285.998933][ T6626] dump_stack_lvl+0x189/0x250 [ 285.998971][ T6626] ? __pfx_dump_stack_lvl+0x10/0x10 [ 285.999003][ T6626] ? __pfx__printk+0x10/0x10 [ 285.999045][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.999075][ T6626] ? kernfs_path_from_node+0x250/0x290 [ 285.999103][ T6626] ? kernfs_path_from_node+0x2f/0x290 [ 285.999135][ T6626] sysfs_create_dir_ns+0x259/0x280 [ 285.999165][ T6626] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 285.999196][ T6626] ? do_raw_spin_unlock+0x122/0x240 [ 285.999233][ T6626] kobject_add_internal+0x59f/0xb40 [ 285.999269][ T6626] kobject_init_and_add+0x125/0x190 [ 285.999316][ T6626] ? __pfx_kobject_init_and_add+0x10/0x10 [ 285.999357][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.999392][ T6626] ? __raw_spin_lock_init+0x45/0x100 [ 285.999424][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.999452][ T6626] ? __init_swait_queue_head+0xa9/0x150 [ 285.999486][ T6626] gfs2_sys_fs_add+0x234/0x450 [ 285.999516][ T6626] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 285.999550][ T6626] ? is_dynamic_key+0xd6/0x1c0 [ 285.999586][ T6626] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 285.999636][ T6626] gfs2_fill_super+0x13c0/0x20d0 [ 285.999691][ T6626] ? __pfx_gfs2_fill_super+0x10/0x10 [ 285.999722][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.999758][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.999786][ T6626] ? sb_set_blocksize+0x104/0x180 [ 285.999825][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.999853][ T6626] ? setup_bdev_super+0x4c1/0x5b0 [ 285.999892][ T6626] get_tree_bdev_flags+0x40e/0x4d0 [ 285.999928][ T6626] ? __pfx_gfs2_fill_super+0x10/0x10 [ 285.999962][ T6626] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 286.000000][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.000037][ T6626] gfs2_get_tree+0x51/0x1e0 [ 286.000074][ T6626] vfs_get_tree+0x92/0x2b0 [ 286.000112][ T6626] do_new_mount+0x2a2/0x9e0 [ 286.000153][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.000181][ T6626] ? ns_capable+0x8a/0xf0 [ 286.000206][ T6626] ? __pfx_do_new_mount+0x10/0x10 [ 286.000242][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.000271][ T6626] ? path_mount+0x61c/0xfe0 [ 286.000305][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.000357][ T6626] __se_sys_mount+0x317/0x410 [ 286.000409][ T6626] ? __pfx___se_sys_mount+0x10/0x10 [ 286.000445][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.000482][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.000510][ T6626] ? __x64_sys_mount+0x20/0xc0 [ 286.000550][ T6626] do_syscall_64+0xfa/0x3b0 [ 286.000587][ T6626] ? lockdep_hardirqs_on+0x9c/0x150 [ 286.000622][ T6626] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.000645][ T6626] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.000672][ T6626] ? exc_page_fault+0x9f/0xf0 [ 286.000709][ T6626] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.000735][ T6626] RIP: 0033:0x7f1e1e59038a [ 286.000757][ T6626] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 286.000779][ T6626] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 286.000805][ T6626] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 286.000825][ T6626] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 286.000845][ T6626] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 286.000863][ T6626] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 286.000881][ T6626] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 286.000919][ T6626] [ 286.000949][ T6626] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 286.389510][ T6626] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 286.854183][ T6630] loop1: detected capacity change from 0 to 32768 [ 286.868273][ T6630] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 286.882262][ T6630] CPU: 0 UID: 0 PID: 6630 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) [ 286.882292][ T6630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 286.882307][ T6630] Call Trace: [ 286.882318][ T6630] [ 286.882328][ T6630] dump_stack_lvl+0x189/0x250 [ 286.882367][ T6630] ? __pfx_dump_stack_lvl+0x10/0x10 [ 286.882411][ T6630] ? __pfx__printk+0x10/0x10 [ 286.882453][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.882482][ T6630] ? kernfs_path_from_node+0x250/0x290 [ 286.882509][ T6630] ? kernfs_path_from_node+0x2f/0x290 [ 286.882541][ T6630] sysfs_create_dir_ns+0x259/0x280 [ 286.882571][ T6630] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 286.882601][ T6630] ? do_raw_spin_unlock+0x122/0x240 [ 286.882637][ T6630] kobject_add_internal+0x59f/0xb40 [ 286.882672][ T6630] kobject_init_and_add+0x125/0x190 [ 286.882719][ T6630] ? __pfx_kobject_init_and_add+0x10/0x10 [ 286.882758][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.882786][ T6630] ? __raw_spin_lock_init+0x45/0x100 [ 286.882817][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.882846][ T6630] ? __init_swait_queue_head+0xa9/0x150 [ 286.882880][ T6630] gfs2_sys_fs_add+0x234/0x450 [ 286.882909][ T6630] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 286.882943][ T6630] ? is_dynamic_key+0xd6/0x1c0 [ 286.882979][ T6630] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 286.883029][ T6630] gfs2_fill_super+0x13c0/0x20d0 [ 286.883083][ T6630] ? __pfx_gfs2_fill_super+0x10/0x10 [ 286.883114][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.883149][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.883176][ T6630] ? sb_set_blocksize+0x104/0x180 [ 286.883215][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.883243][ T6630] ? setup_bdev_super+0x4c1/0x5b0 [ 286.883281][ T6630] get_tree_bdev_flags+0x40e/0x4d0 [ 286.883316][ T6630] ? __pfx_gfs2_fill_super+0x10/0x10 [ 286.883350][ T6630] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 286.883396][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.883432][ T6630] gfs2_get_tree+0x51/0x1e0 [ 286.883470][ T6630] vfs_get_tree+0x92/0x2b0 [ 286.883505][ T6630] do_new_mount+0x2a2/0x9e0 [ 286.883545][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.883573][ T6630] ? ns_capable+0x8a/0xf0 [ 286.883597][ T6630] ? __pfx_do_new_mount+0x10/0x10 [ 286.883631][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.883659][ T6630] ? path_mount+0x61c/0xfe0 [ 286.883692][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.883734][ T6630] __se_sys_mount+0x317/0x410 [ 286.883779][ T6630] ? __pfx___se_sys_mount+0x10/0x10 [ 286.883814][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.883851][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.883878][ T6630] ? __x64_sys_mount+0x20/0xc0 [ 286.883919][ T6630] do_syscall_64+0xfa/0x3b0 [ 286.883956][ T6630] ? lockdep_hardirqs_on+0x9c/0x150 [ 286.883990][ T6630] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.884015][ T6630] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.884043][ T6630] ? exc_page_fault+0x9f/0xf0 [ 286.884079][ T6630] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.884104][ T6630] RIP: 0033:0x7f1e1e59038a [ 286.884126][ T6630] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 286.884148][ T6630] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 286.884173][ T6630] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 286.884193][ T6630] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 286.884211][ T6630] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 286.884229][ T6630] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 286.884246][ T6630] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 286.884284][ T6630] [ 286.884310][ T6630] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 287.273294][ T6630] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 287.725713][ T6634] loop1: detected capacity change from 0 to 32768 [ 287.749840][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 287.760644][ T6634] CPU: 0 UID: 0 PID: 6634 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) [ 287.760675][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 287.760691][ T6634] Call Trace: [ 287.760702][ T6634] [ 287.760712][ T6634] dump_stack_lvl+0x189/0x250 [ 287.760753][ T6634] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.760784][ T6634] ? __pfx__printk+0x10/0x10 [ 287.760825][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.760854][ T6634] ? kernfs_path_from_node+0x250/0x290 [ 287.760882][ T6634] ? kernfs_path_from_node+0x2f/0x290 [ 287.760914][ T6634] sysfs_create_dir_ns+0x259/0x280 [ 287.760943][ T6634] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 287.760973][ T6634] ? do_raw_spin_unlock+0x122/0x240 [ 287.761010][ T6634] kobject_add_internal+0x59f/0xb40 [ 287.761045][ T6634] kobject_init_and_add+0x125/0x190 [ 287.761095][ T6634] ? __pfx_kobject_init_and_add+0x10/0x10 [ 287.761134][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.761162][ T6634] ? __raw_spin_lock_init+0x45/0x100 [ 287.761193][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.761221][ T6634] ? __init_swait_queue_head+0xa9/0x150 [ 287.761256][ T6634] gfs2_sys_fs_add+0x234/0x450 [ 287.761285][ T6634] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 287.761319][ T6634] ? is_dynamic_key+0xd6/0x1c0 [ 287.761357][ T6634] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 287.761413][ T6634] gfs2_fill_super+0x13c0/0x20d0 [ 287.761466][ T6634] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.761497][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.761531][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.761559][ T6634] ? sb_set_blocksize+0x104/0x180 [ 287.761596][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.761624][ T6634] ? setup_bdev_super+0x4c1/0x5b0 [ 287.761663][ T6634] get_tree_bdev_flags+0x40e/0x4d0 [ 287.761697][ T6634] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.761730][ T6634] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 287.761767][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.761805][ T6634] gfs2_get_tree+0x51/0x1e0 [ 287.761841][ T6634] vfs_get_tree+0x92/0x2b0 [ 287.761879][ T6634] do_new_mount+0x2a2/0x9e0 [ 287.761921][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.761949][ T6634] ? ns_capable+0x8a/0xf0 [ 287.761974][ T6634] ? __pfx_do_new_mount+0x10/0x10 [ 287.762008][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.762036][ T6634] ? path_mount+0x61c/0xfe0 [ 287.762070][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.762112][ T6634] __se_sys_mount+0x317/0x410 [ 287.762158][ T6634] ? __pfx___se_sys_mount+0x10/0x10 [ 287.762193][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.762230][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.762258][ T6634] ? __x64_sys_mount+0x20/0xc0 [ 287.762299][ T6634] do_syscall_64+0xfa/0x3b0 [ 287.762337][ T6634] ? lockdep_hardirqs_on+0x9c/0x150 [ 287.762373][ T6634] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.762405][ T6634] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.762434][ T6634] ? exc_page_fault+0x9f/0xf0 [ 287.762472][ T6634] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.762497][ T6634] RIP: 0033:0x7f1e1e59038a [ 287.762520][ T6634] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 287.762542][ T6634] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 287.762569][ T6634] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 287.762589][ T6634] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 287.762607][ T6634] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 287.762626][ T6634] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 287.762643][ T6634] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 287.762681][ T6634] [ 287.762712][ T6634] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 288.150902][ T6634] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 288.593177][ T6638] loop1: detected capacity change from 0 to 32768 [ 288.614208][ T6638] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 288.624798][ T6638] CPU: 0 UID: 0 PID: 6638 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) [ 288.624828][ T6638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 288.624844][ T6638] Call Trace: [ 288.624854][ T6638] [ 288.624865][ T6638] dump_stack_lvl+0x189/0x250 [ 288.624904][ T6638] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.624934][ T6638] ? __pfx__printk+0x10/0x10 [ 288.624975][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.625003][ T6638] ? kernfs_path_from_node+0x250/0x290 [ 288.625030][ T6638] ? kernfs_path_from_node+0x2f/0x290 [ 288.625062][ T6638] sysfs_create_dir_ns+0x259/0x280 [ 288.625092][ T6638] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 288.625121][ T6638] ? do_raw_spin_unlock+0x122/0x240 [ 288.625158][ T6638] kobject_add_internal+0x59f/0xb40 [ 288.625193][ T6638] kobject_init_and_add+0x125/0x190 [ 288.625239][ T6638] ? __pfx_kobject_init_and_add+0x10/0x10 [ 288.625278][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.625306][ T6638] ? __raw_spin_lock_init+0x45/0x100 [ 288.625337][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.625365][ T6638] ? __init_swait_queue_head+0xa9/0x150 [ 288.625407][ T6638] gfs2_sys_fs_add+0x234/0x450 [ 288.625438][ T6638] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 288.625472][ T6638] ? is_dynamic_key+0xd6/0x1c0 [ 288.625507][ T6638] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 288.625557][ T6638] gfs2_fill_super+0x13c0/0x20d0 [ 288.625609][ T6638] ? __pfx_gfs2_fill_super+0x10/0x10 [ 288.625640][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.625674][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.625702][ T6638] ? sb_set_blocksize+0x104/0x180 [ 288.625740][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.625767][ T6638] ? setup_bdev_super+0x4c1/0x5b0 [ 288.625806][ T6638] get_tree_bdev_flags+0x40e/0x4d0 [ 288.625840][ T6638] ? __pfx_gfs2_fill_super+0x10/0x10 [ 288.625874][ T6638] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 288.625911][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.625948][ T6638] gfs2_get_tree+0x51/0x1e0 [ 288.625985][ T6638] vfs_get_tree+0x92/0x2b0 [ 288.626022][ T6638] do_new_mount+0x2a2/0x9e0 [ 288.626062][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.626090][ T6638] ? ns_capable+0x8a/0xf0 [ 288.626114][ T6638] ? __pfx_do_new_mount+0x10/0x10 [ 288.626149][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.626176][ T6638] ? path_mount+0x61c/0xfe0 [ 288.626210][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.626251][ T6638] __se_sys_mount+0x317/0x410 [ 288.626296][ T6638] ? __pfx___se_sys_mount+0x10/0x10 [ 288.626331][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.626367][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.626401][ T6638] ? __x64_sys_mount+0x20/0xc0 [ 288.626441][ T6638] do_syscall_64+0xfa/0x3b0 [ 288.626478][ T6638] ? lockdep_hardirqs_on+0x9c/0x150 [ 288.626512][ T6638] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.626535][ T6638] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.626563][ T6638] ? exc_page_fault+0x9f/0xf0 [ 288.626600][ T6638] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.626624][ T6638] RIP: 0033:0x7f1e1e59038a [ 288.626646][ T6638] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 288.626667][ T6638] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 288.626693][ T6638] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 288.626713][ T6638] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 288.626731][ T6638] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 288.626748][ T6638] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 288.626766][ T6638] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 288.626803][ T6638] [ 288.626832][ T6638] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 289.016579][ T6638] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 289.463939][ T6642] loop1: detected capacity change from 0 to 32768 [ 289.478978][ T6642] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 289.489980][ T6642] CPU: 1 UID: 0 PID: 6642 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) [ 289.490009][ T6642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 289.490025][ T6642] Call Trace: [ 289.490035][ T6642] [ 289.490046][ T6642] dump_stack_lvl+0x189/0x250 [ 289.490086][ T6642] ? __pfx_dump_stack_lvl+0x10/0x10 [ 289.490116][ T6642] ? __pfx__printk+0x10/0x10 [ 289.490157][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.490187][ T6642] ? kernfs_path_from_node+0x250/0x290 [ 289.490214][ T6642] ? kernfs_path_from_node+0x2f/0x290 [ 289.490246][ T6642] sysfs_create_dir_ns+0x259/0x280 [ 289.490277][ T6642] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 289.490306][ T6642] ? do_raw_spin_unlock+0x122/0x240 [ 289.490343][ T6642] kobject_add_internal+0x59f/0xb40 [ 289.490378][ T6642] kobject_init_and_add+0x125/0x190 [ 289.490423][ T6642] ? __pfx_kobject_init_and_add+0x10/0x10 [ 289.490463][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.490492][ T6642] ? __raw_spin_lock_init+0x45/0x100 [ 289.490524][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.490553][ T6642] ? __init_swait_queue_head+0xa9/0x150 [ 289.490587][ T6642] gfs2_sys_fs_add+0x234/0x450 [ 289.490618][ T6642] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 289.490661][ T6642] ? is_dynamic_key+0xd6/0x1c0 [ 289.490698][ T6642] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 289.490749][ T6642] gfs2_fill_super+0x13c0/0x20d0 [ 289.490803][ T6642] ? __pfx_gfs2_fill_super+0x10/0x10 [ 289.490834][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.490869][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.490898][ T6642] ? sb_set_blocksize+0x104/0x180 [ 289.490936][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.490965][ T6642] ? setup_bdev_super+0x4c1/0x5b0 [ 289.491004][ T6642] get_tree_bdev_flags+0x40e/0x4d0 [ 289.491039][ T6642] ? __pfx_gfs2_fill_super+0x10/0x10 [ 289.491072][ T6642] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 289.491110][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.491148][ T6642] gfs2_get_tree+0x51/0x1e0 [ 289.491186][ T6642] vfs_get_tree+0x92/0x2b0 [ 289.491225][ T6642] do_new_mount+0x2a2/0x9e0 [ 289.491266][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.491295][ T6642] ? ns_capable+0x8a/0xf0 [ 289.491319][ T6642] ? __pfx_do_new_mount+0x10/0x10 [ 289.491355][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.491383][ T6642] ? path_mount+0x61c/0xfe0 [ 289.491418][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.491460][ T6642] __se_sys_mount+0x317/0x410 [ 289.491506][ T6642] ? __pfx___se_sys_mount+0x10/0x10 [ 289.491542][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.491579][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.491608][ T6642] ? __x64_sys_mount+0x20/0xc0 [ 289.491655][ T6642] do_syscall_64+0xfa/0x3b0 [ 289.491691][ T6642] ? lockdep_hardirqs_on+0x9c/0x150 [ 289.491726][ T6642] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.491750][ T6642] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.491779][ T6642] ? exc_page_fault+0x9f/0xf0 [ 289.491817][ T6642] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.491842][ T6642] RIP: 0033:0x7f1e1e59038a [ 289.491865][ T6642] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 289.491888][ T6642] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 289.491915][ T6642] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 289.491935][ T6642] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 289.491954][ T6642] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 289.491972][ T6642] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 289.491990][ T6642] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 289.492028][ T6642] [ 289.492057][ T6642] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 289.880616][ T6642] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files 2025/08/26 17:22:22 executed programs: 148 [ 290.349343][ T6646] loop1: detected capacity change from 0 to 32768 [ 290.382818][ T6646] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 290.393442][ T6646] CPU: 1 UID: 0 PID: 6646 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) [ 290.393475][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 290.393491][ T6646] Call Trace: [ 290.393501][ T6646] [ 290.393511][ T6646] dump_stack_lvl+0x189/0x250 [ 290.393553][ T6646] ? __pfx_dump_stack_lvl+0x10/0x10 [ 290.393583][ T6646] ? __pfx__printk+0x10/0x10 [ 290.393625][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.393654][ T6646] ? kernfs_path_from_node+0x250/0x290 [ 290.393681][ T6646] ? kernfs_path_from_node+0x2f/0x290 [ 290.393713][ T6646] sysfs_create_dir_ns+0x259/0x280 [ 290.393745][ T6646] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 290.393774][ T6646] ? do_raw_spin_unlock+0x122/0x240 [ 290.393812][ T6646] kobject_add_internal+0x59f/0xb40 [ 290.393849][ T6646] kobject_init_and_add+0x125/0x190 [ 290.393896][ T6646] ? __pfx_kobject_init_and_add+0x10/0x10 [ 290.393936][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.393966][ T6646] ? __raw_spin_lock_init+0x45/0x100 [ 290.393997][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.394025][ T6646] ? __init_swait_queue_head+0xa9/0x150 [ 290.394060][ T6646] gfs2_sys_fs_add+0x234/0x450 [ 290.394091][ T6646] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 290.394126][ T6646] ? is_dynamic_key+0xd6/0x1c0 [ 290.394161][ T6646] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 290.394211][ T6646] gfs2_fill_super+0x13c0/0x20d0 [ 290.394264][ T6646] ? __pfx_gfs2_fill_super+0x10/0x10 [ 290.394296][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.394358][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.394387][ T6646] ? sb_set_blocksize+0x104/0x180 [ 290.394431][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.394460][ T6646] ? setup_bdev_super+0x4c1/0x5b0 [ 290.394500][ T6646] get_tree_bdev_flags+0x40e/0x4d0 [ 290.394535][ T6646] ? __pfx_gfs2_fill_super+0x10/0x10 [ 290.394570][ T6646] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 290.394608][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.394646][ T6646] gfs2_get_tree+0x51/0x1e0 [ 290.394683][ T6646] vfs_get_tree+0x92/0x2b0 [ 290.394721][ T6646] do_new_mount+0x2a2/0x9e0 [ 290.394763][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.394791][ T6646] ? ns_capable+0x8a/0xf0 [ 290.394816][ T6646] ? __pfx_do_new_mount+0x10/0x10 [ 290.394851][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.394878][ T6646] ? path_mount+0x61c/0xfe0 [ 290.394912][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.394954][ T6646] __se_sys_mount+0x317/0x410 [ 290.395000][ T6646] ? __pfx___se_sys_mount+0x10/0x10 [ 290.395035][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.395072][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.395101][ T6646] ? __x64_sys_mount+0x20/0xc0 [ 290.395142][ T6646] do_syscall_64+0xfa/0x3b0 [ 290.395180][ T6646] ? lockdep_hardirqs_on+0x9c/0x150 [ 290.395215][ T6646] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.395239][ T6646] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.395268][ T6646] ? exc_page_fault+0x9f/0xf0 [ 290.395305][ T6646] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.395330][ T6646] RIP: 0033:0x7f1e1e59038a [ 290.395353][ T6646] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 290.395375][ T6646] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 290.395401][ T6646] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 290.395434][ T6646] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 290.395453][ T6646] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 290.395471][ T6646] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 290.395488][ T6646] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 290.395526][ T6646] [ 290.395558][ T6646] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 290.785016][ T6646] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 291.241228][ T6650] loop1: detected capacity change from 0 to 32768 [ 291.268053][ T6650] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 291.279449][ T6650] CPU: 0 UID: 0 PID: 6650 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) [ 291.279479][ T6650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 291.279495][ T6650] Call Trace: [ 291.279505][ T6650] [ 291.279515][ T6650] dump_stack_lvl+0x189/0x250 [ 291.279555][ T6650] ? __pfx_dump_stack_lvl+0x10/0x10 [ 291.279586][ T6650] ? __pfx__printk+0x10/0x10 [ 291.279629][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.279666][ T6650] ? kernfs_path_from_node+0x250/0x290 [ 291.279692][ T6650] ? kernfs_path_from_node+0x2f/0x290 [ 291.279724][ T6650] sysfs_create_dir_ns+0x259/0x280 [ 291.279755][ T6650] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 291.279784][ T6650] ? do_raw_spin_unlock+0x122/0x240 [ 291.279822][ T6650] kobject_add_internal+0x59f/0xb40 [ 291.279858][ T6650] kobject_init_and_add+0x125/0x190 [ 291.279904][ T6650] ? __pfx_kobject_init_and_add+0x10/0x10 [ 291.279944][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.279972][ T6650] ? __raw_spin_lock_init+0x45/0x100 [ 291.280004][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.280031][ T6650] ? __init_swait_queue_head+0xa9/0x150 [ 291.280066][ T6650] gfs2_sys_fs_add+0x234/0x450 [ 291.280096][ T6650] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 291.280130][ T6650] ? is_dynamic_key+0xd6/0x1c0 [ 291.280166][ T6650] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 291.280217][ T6650] gfs2_fill_super+0x13c0/0x20d0 [ 291.280270][ T6650] ? __pfx_gfs2_fill_super+0x10/0x10 [ 291.280301][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.280336][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.280364][ T6650] ? sb_set_blocksize+0x104/0x180 [ 291.280401][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.280430][ T6650] ? setup_bdev_super+0x4c1/0x5b0 [ 291.280470][ T6650] get_tree_bdev_flags+0x40e/0x4d0 [ 291.280504][ T6650] ? __pfx_gfs2_fill_super+0x10/0x10 [ 291.280538][ T6650] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 291.280576][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.280614][ T6650] gfs2_get_tree+0x51/0x1e0 [ 291.280660][ T6650] vfs_get_tree+0x92/0x2b0 [ 291.280699][ T6650] do_new_mount+0x2a2/0x9e0 [ 291.280741][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.280769][ T6650] ? ns_capable+0x8a/0xf0 [ 291.280794][ T6650] ? __pfx_do_new_mount+0x10/0x10 [ 291.280830][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.280858][ T6650] ? path_mount+0x61c/0xfe0 [ 291.280893][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.280936][ T6650] __se_sys_mount+0x317/0x410 [ 291.280981][ T6650] ? __pfx___se_sys_mount+0x10/0x10 [ 291.281017][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.281054][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.281082][ T6650] ? __x64_sys_mount+0x20/0xc0 [ 291.281122][ T6650] do_syscall_64+0xfa/0x3b0 [ 291.281159][ T6650] ? lockdep_hardirqs_on+0x9c/0x150 [ 291.281195][ T6650] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.281219][ T6650] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.281247][ T6650] ? exc_page_fault+0x9f/0xf0 [ 291.281284][ T6650] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.281308][ T6650] RIP: 0033:0x7f1e1e59038a [ 291.281330][ T6650] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 291.281352][ T6650] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 291.281378][ T6650] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 291.281397][ T6650] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 291.281415][ T6650] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 291.281433][ T6650] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 291.281450][ T6650] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 291.281488][ T6650] [ 291.281516][ T6650] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 291.670035][ T6650] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 292.132366][ T6654] loop1: detected capacity change from 0 to 32768 [ 292.146762][ T6654] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 292.157756][ T6654] CPU: 0 UID: 0 PID: 6654 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) [ 292.157788][ T6654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 292.157804][ T6654] Call Trace: [ 292.157814][ T6654] [ 292.157825][ T6654] dump_stack_lvl+0x189/0x250 [ 292.157866][ T6654] ? __pfx_dump_stack_lvl+0x10/0x10 [ 292.157897][ T6654] ? __pfx__printk+0x10/0x10 [ 292.157939][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.157967][ T6654] ? kernfs_path_from_node+0x250/0x290 [ 292.157995][ T6654] ? kernfs_path_from_node+0x2f/0x290 [ 292.158027][ T6654] sysfs_create_dir_ns+0x259/0x280 [ 292.158059][ T6654] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 292.158088][ T6654] ? do_raw_spin_unlock+0x122/0x240 [ 292.158127][ T6654] kobject_add_internal+0x59f/0xb40 [ 292.158165][ T6654] kobject_init_and_add+0x125/0x190 [ 292.158216][ T6654] ? __pfx_kobject_init_and_add+0x10/0x10 [ 292.158257][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.158286][ T6654] ? __raw_spin_lock_init+0x45/0x100 [ 292.158319][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.158347][ T6654] ? __init_swait_queue_head+0xa9/0x150 [ 292.158382][ T6654] gfs2_sys_fs_add+0x234/0x450 [ 292.158413][ T6654] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 292.158447][ T6654] ? is_dynamic_key+0xd6/0x1c0 [ 292.158483][ T6654] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 292.158534][ T6654] gfs2_fill_super+0x13c0/0x20d0 [ 292.158588][ T6654] ? __pfx_gfs2_fill_super+0x10/0x10 [ 292.158620][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.158661][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.158689][ T6654] ? sb_set_blocksize+0x104/0x180 [ 292.158728][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.158757][ T6654] ? setup_bdev_super+0x4c1/0x5b0 [ 292.158797][ T6654] get_tree_bdev_flags+0x40e/0x4d0 [ 292.158832][ T6654] ? __pfx_gfs2_fill_super+0x10/0x10 [ 292.158867][ T6654] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 292.158905][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.158943][ T6654] gfs2_get_tree+0x51/0x1e0 [ 292.158980][ T6654] vfs_get_tree+0x92/0x2b0 [ 292.159018][ T6654] do_new_mount+0x2a2/0x9e0 [ 292.159059][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.159088][ T6654] ? ns_capable+0x8a/0xf0 [ 292.159113][ T6654] ? __pfx_do_new_mount+0x10/0x10 [ 292.159149][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.159178][ T6654] ? path_mount+0x61c/0xfe0 [ 292.159213][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.159256][ T6654] __se_sys_mount+0x317/0x410 [ 292.159302][ T6654] ? __pfx___se_sys_mount+0x10/0x10 [ 292.159339][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.159376][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.159404][ T6654] ? __x64_sys_mount+0x20/0xc0 [ 292.159445][ T6654] do_syscall_64+0xfa/0x3b0 [ 292.159482][ T6654] ? lockdep_hardirqs_on+0x9c/0x150 [ 292.159518][ T6654] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.159542][ T6654] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.159570][ T6654] ? exc_page_fault+0x9f/0xf0 [ 292.159608][ T6654] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.159633][ T6654] RIP: 0033:0x7f1e1e59038a [ 292.159662][ T6654] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 292.159684][ T6654] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 292.159711][ T6654] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 292.159730][ T6654] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 292.159749][ T6654] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 292.159768][ T6654] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 292.159785][ T6654] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 292.159824][ T6654] [ 292.159855][ T6654] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 292.548269][ T6654] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 293.007487][ T6658] loop1: detected capacity change from 0 to 32768 [ 293.021635][ T6658] sysfs: cannot create duplicate filename '/fs/gfs2/__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9' [ 293.032189][ T6658] CPU: 1 UID: 0 PID: 6658 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) [ 293.032219][ T6658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 293.032234][ T6658] Call Trace: [ 293.032244][ T6658] [ 293.032254][ T6658] dump_stack_lvl+0x189/0x250 [ 293.032293][ T6658] ? __pfx_dump_stack_lvl+0x10/0x10 [ 293.032324][ T6658] ? __pfx__printk+0x10/0x10 [ 293.032365][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.032406][ T6658] ? kernfs_path_from_node+0x250/0x290 [ 293.032434][ T6658] ? kernfs_path_from_node+0x2f/0x290 [ 293.032466][ T6658] sysfs_create_dir_ns+0x259/0x280 [ 293.032499][ T6658] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 293.032528][ T6658] ? do_raw_spin_unlock+0x122/0x240 [ 293.032566][ T6658] kobject_add_internal+0x59f/0xb40 [ 293.032602][ T6658] kobject_init_and_add+0x125/0x190 [ 293.032647][ T6658] ? __pfx_kobject_init_and_add+0x10/0x10 [ 293.032688][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.032716][ T6658] ? __raw_spin_lock_init+0x45/0x100 [ 293.032748][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.032775][ T6658] ? __init_swait_queue_head+0xa9/0x150 [ 293.032810][ T6658] gfs2_sys_fs_add+0x234/0x450 [ 293.032840][ T6658] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 293.032874][ T6658] ? is_dynamic_key+0xd6/0x1c0 [ 293.032909][ T6658] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 293.032959][ T6658] gfs2_fill_super+0x13c0/0x20d0 [ 293.033014][ T6658] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.033046][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033081][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033110][ T6658] ? sb_set_blocksize+0x104/0x180 [ 293.033148][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033176][ T6658] ? setup_bdev_super+0x4c1/0x5b0 [ 293.033215][ T6658] get_tree_bdev_flags+0x40e/0x4d0 [ 293.033250][ T6658] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.033284][ T6658] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 293.033323][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033360][ T6658] gfs2_get_tree+0x51/0x1e0 [ 293.033405][ T6658] vfs_get_tree+0x92/0x2b0 [ 293.033442][ T6658] do_new_mount+0x2a2/0x9e0 [ 293.033483][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033511][ T6658] ? ns_capable+0x8a/0xf0 [ 293.033536][ T6658] ? __pfx_do_new_mount+0x10/0x10 [ 293.033571][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033600][ T6658] ? path_mount+0x61c/0xfe0 [ 293.033635][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033677][ T6658] __se_sys_mount+0x317/0x410 [ 293.033723][ T6658] ? __pfx___se_sys_mount+0x10/0x10 [ 293.033759][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033796][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033825][ T6658] ? __x64_sys_mount+0x20/0xc0 [ 293.033866][ T6658] do_syscall_64+0xfa/0x3b0 [ 293.033902][ T6658] ? lockdep_hardirqs_on+0x9c/0x150 [ 293.033937][ T6658] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.033962][ T6658] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.033989][ T6658] ? exc_page_fault+0x9f/0xf0 [ 293.034026][ T6658] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.034050][ T6658] RIP: 0033:0x7f1e1e59038a [ 293.034073][ T6658] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 293.034094][ T6658] RSP: 002b:00007ffefee424f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 293.034120][ T6658] RAX: ffffffffffffffda RBX: 00007ffefee42580 RCX: 00007f1e1e59038a [ 293.034140][ T6658] RDX: 0000200000000000 RSI: 0000200000000940 RDI: 00007ffefee42540 [ 293.034159][ T6658] RBP: 0000200000000000 R08: 00007ffefee42580 R09: 0000000000008859 [ 293.034177][ T6658] R10: 0000000000008859 R11: 0000000000000246 R12: 0000200000000940 [ 293.034194][ T6658] R13: 00007ffefee42540 R14: 000000000001272b R15: 0000200000000280 [ 293.034233][ T6658] [ 293.034262][ T6658] kobject: kobject_add_internal failed for __Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9 with -EEXIST, don't try to register things with the same name in the same directory. [ 293.422878][ T6658] gfs2: fsid=__Š°"_½z#²˱1Ä ¢ “I¡3ØÆÆåwÕÊ‚X9: error -17 adding sysfs files [ 293.527833][ T31] INFO: task syz-executor:5984 blocked for more than 143 seconds. [ 293.535728][ T31] Not tainted syzkaller #0 [ 293.545051][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 293.555179][ T31] task:syz-executor state:D stack:21480 pid:5984 tgid:5984 ppid:1 task_flags:0x400140 flags:0x00004004 [ 293.572091][ T31] Call Trace: [ 293.575517][ T31] [ 293.579049][ T31] __schedule+0x1798/0x4cc0 [ 293.583607][ T31] ? __pfx___schedule+0x10/0x10 [ 293.590460][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.596125][ T31] ? schedule+0x91/0x360 [ 293.601138][ T31] schedule+0x165/0x360 [ 293.605321][ T31] bit_wait+0x11/0xd0 [ 293.611300][ T31] __wait_on_bit+0xb9/0x310 [ 293.615828][ T31] ? __pfx_bit_wait+0x10/0x10 [ 293.638386][ T31] ? __pfx_bit_wait+0x10/0x10 [ 293.643102][ T31] out_of_line_wait_on_bit+0x123/0x170 [ 293.649553][ T31] ? __pfx_out_of_line_wait_on_bit+0x10/0x10 [ 293.656298][ T31] ? __pfx_wake_bit_function+0x10/0x10 [ 293.663719][ T31] gfs2_glock_wait+0xbd/0x2a0 [ 293.668709][ T31] __gfs2_lookup+0x117/0x270 [ 293.673329][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.681009][ T31] ? __lock_acquire+0xab9/0xd20 [ 293.685887][ T31] ? __pfx___gfs2_lookup+0x10/0x10 [ 293.691444][ T31] ? __lookup_slow+0x297/0x3d0 [ 293.696221][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.703739][ T31] ? __raw_spin_lock_init+0x45/0x100 [ 293.709400][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.715046][ T31] ? __init_waitqueue_head+0xa9/0x150 [ 293.722385][ T31] __lookup_slow+0x297/0x3d0 [ 293.727280][ T31] ? __pfx___lookup_slow+0x10/0x10 [ 293.732415][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.739955][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.745708][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.752063][ T31] ? down_read+0x1ad/0x2e0 [ 293.758027][ T31] lookup_slow+0x53/0x70 [ 293.762344][ T31] walk_component+0x2d2/0x400 [ 293.767466][ T31] ? path_lookupat+0x156/0x430 [ 293.772248][ T31] path_lookupat+0x163/0x430 [ 293.776858][ T31] filename_lookup+0x212/0x570 [ 293.782165][ T31] ? __pfx_filename_lookup+0x10/0x10 [ 293.787778][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.793426][ T31] ? strncpy_from_user+0x150/0x290 [ 293.798923][ T31] ? getname_flags+0x1e5/0x540 [ 293.803714][ T31] user_path_at+0x3a/0x60 [ 293.808500][ T31] __x64_sys_umount+0xee/0x160 [ 293.813285][ T31] ? __pfx___x64_sys_umount+0x10/0x10 [ 293.819073][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.824738][ T31] ? do_syscall_64+0xbe/0x3b0 [ 293.829879][ T31] do_syscall_64+0xfa/0x3b0 [ 293.834409][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 293.840045][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.846152][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.852440][ T31] ? exc_page_fault+0x9f/0xf0 [ 293.857438][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.863992][ T31] RIP: 0033:0x7faf4398ff17 [ 293.868926][ T31] RSP: 002b:00007ffe7fa7e538 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 293.877612][ T31] RAX: ffffffffffffffda RBX: 00007faf43a11c05 RCX: 00007faf4398ff17 [ 293.885694][ T31] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe7fa7e5f0 [ 293.894176][ T31] RBP: 00007ffe7fa7e5f0 R08: 0000000000000000 R09: 0000000000000000 [ 293.902445][ T31] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe7fa7f6e0 [ 293.910896][ T31] R13: 00007faf43a11c05 R14: 00005555608484a8 R15: 00007ffe7fa818a0 [ 293.920171][ T31] [ 293.923413][ T31] [ 293.923413][ T31] Showing all locks held in the system: [ 293.932445][ T31] 1 lock held by khungtaskd/31: [ 293.938637][ T31] #0: ffffffff8e139ee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 293.949796][ T31] 2 locks held by getty/5614: [ 293.954484][ T31] #0: ffff88814e02b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 293.966374][ T31] #1: ffffc9000332e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 [ 293.977791][ T31] 1 lock held by syz-executor/5984: [ 293.983004][ T31] #0: ffff8880575b22b8 (&type->i_mutex_dir_key#8){.+.+}-{4:4}, at: lookup_slow+0x46/0x70 [ 293.993499][ T31] 2 locks held by syz.1.167/6662: [ 293.998837][ T31] [ 294.001164][ T31] ============================================= [ 294.001164][ T31] [ 294.011150][ T31] NMI backtrace for cpu 1 [ 294.011171][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 294.011198][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 294.011214][ T31] Call Trace: [ 294.011224][ T31] [ 294.011235][ T31] dump_stack_lvl+0x189/0x250 [ 294.011274][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 294.011305][ T31] ? __pfx__printk+0x10/0x10 [ 294.011354][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 294.011390][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 294.011423][ T31] ? __pfx__printk+0x10/0x10 [ 294.011458][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.011491][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 294.011534][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 294.011568][ T31] watchdog+0xf93/0xfe0 [ 294.011609][ T31] ? watchdog+0x1de/0xfe0 [ 294.011656][ T31] kthread+0x711/0x8a0 [ 294.011691][ T31] ? __pfx_watchdog+0x10/0x10 [ 294.011725][ T31] ? __pfx_kthread+0x10/0x10 [ 294.011753][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.011786][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 294.011819][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.011847][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 294.011880][ T31] ? __pfx_kthread+0x10/0x10 [ 294.011913][ T31] ret_from_fork+0x3fc/0x770 [ 294.011943][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 294.011976][ T31] ? __switch_to_asm+0x39/0x70 [ 294.012008][ T31] ? __switch_to_asm+0x33/0x70 [ 294.012040][ T31] ? __pfx_kthread+0x10/0x10 [ 294.012073][ T31] ret_from_fork_asm+0x1a/0x30 [ 294.012124][ T31] [ 294.012134][ T31] Sending NMI from CPU 1 to CPUs 0: [ 294.065377][ T6662] loop1: detected capacity change from 0 to 32768 [ 294.067258][ C0] NMI backtrace for cpu 0 [ 294.067276][ C0] CPU: 0 UID: 0 PID: 6662 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) [ 294.067301][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 294.067315][ C0] RIP: 0010:delay_tsc+0x60/0xc0 [ 294.067346][ C0] Code: c1 e7 20 49 09 c7 4d 29 f7 49 39 df 73 53 bf 01 00 00 00 e8 82 78 17 f6 65 8b 05 3b cb 27 07 85 c0 74 1c f3 90 bf 01 00 00 00 bb 76 17 f6 e8 16 3c 01 00 39 c5 75 0e 0f 01 f9 66 90 eb bd e8 [ 294.067365][ C0] RSP: 0018:ffffc90003f9e930 EFLAGS: 00000082 [ 294.067385][ C0] RAX: 0000000080000002 RBX: 0000000000000993 RCX: 0000000000000000 [ 294.067411][ C0] RDX: 00000000000000a9 RSI: ffffffff8be33660 RDI: 0000000000000001 [ 294.067426][ C0] RBP: 0000000000000000 R08: ffff888142f98237 R09: 1ffff110285f3046 [ 294.067442][ C0] R10: dffffc0000000000 R11: ffffffff8b7884a0 R12: 1ffffffff33bded6 [ 294.067460][ C0] R13: 00000000ffffffff R14: 000000a9fc9ae9e9 R15: 00000000000004fa [ 294.067478][ C0] FS: 000055558e9b2500(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 [ 294.067498][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 294.067513][ C0] CR2: 00007f1e165ff000 CR3: 000000002dfd4000 CR4: 0000000000350ef0 [ 294.067531][ C0] Call Trace: [ 294.067540][ C0] [ 294.067551][ C0] wait_for_lsr+0x160/0x2f0 [ 294.067586][ C0] serial8250_console_write+0x134c/0x1ba0 [ 294.067618][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.067644][ C0] ? __lock_acquire+0xab9/0xd20 [ 294.067679][ C0] ? __pfx_serial8250_console_write+0x10/0x10 [ 294.067704][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.067731][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.067759][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.067786][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.067811][ C0] ? do_raw_spin_unlock+0x122/0x240 [ 294.067838][ C0] ? console_flush_all+0x13a/0xc40 [ 294.067863][ C0] ? console_flush_all+0x13a/0xc40 [ 294.067891][ C0] console_flush_all+0x728/0xc40 [ 294.067919][ C0] ? console_flush_all+0x13a/0xc40 [ 294.067950][ C0] ? __pfx_console_flush_all+0x10/0x10 [ 294.067983][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.068008][ C0] ? is_printk_cpu_sync_owner+0x32/0x40 [ 294.068041][ C0] console_unlock+0xc4/0x270 [ 294.068066][ C0] ? __pfx_console_unlock+0x10/0x10 [ 294.068092][ C0] ? vprintk_emit+0x444/0x7a0 [ 294.068113][ C0] ? vprintk_emit+0x444/0x7a0 [ 294.068137][ C0] vprintk_emit+0x5b7/0x7a0 [ 294.068159][ C0] ? vprintk_emit+0x444/0x7a0 [ 294.068182][ C0] ? __pfx_vprintk_emit+0x10/0x10 [ 294.068208][ C0] ? shmem_huge_global_enabled+0x174/0x3a0 [ 294.068239][ C0] ? __lock_acquire+0xab9/0xd20 [ 294.068276][ C0] _printk+0xcf/0x120 [ 294.068310][ C0] ? __pfx__printk+0x10/0x10 [ 294.068340][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.068368][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.068409][ C0] ? do_raw_spin_unlock+0x122/0x240 [ 294.068439][ C0] set_capacity_and_notify+0x208/0x2d0 [ 294.068464][ C0] ? __pfx_set_capacity_and_notify+0x10/0x10 [ 294.068486][ C0] ? __pfx_internal_create_group+0x10/0x10 [ 294.068517][ C0] loop_set_size+0x44/0xb0 [ 294.068547][ C0] loop_configure+0x9f4/0xe50 [ 294.068583][ C0] ? __pfx_loop_configure+0x10/0x10 [ 294.068608][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.068646][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.068671][ C0] ? __kernel_text_address+0xd/0x40 [ 294.068701][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.068726][ C0] ? unwind_get_return_address+0x4d/0x90 [ 294.068751][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 294.068777][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.068808][ C0] lo_ioctl+0x810/0x1b30 [ 294.068837][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.068862][ C0] ? stack_trace_save+0x9c/0xe0 [ 294.068887][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 294.068913][ C0] ? __pfx_lo_ioctl+0x10/0x10 [ 294.068939][ C0] ? stack_depot_save_flags+0x40/0x860 [ 294.068974][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.068999][ C0] ? kasan_save_track+0x4f/0x80 [ 294.069026][ C0] ? kasan_save_track+0x3e/0x80 [ 294.069052][ C0] ? __kasan_slab_free+0x5b/0x80 [ 294.069080][ C0] ? kfree+0x18e/0x440 [ 294.069106][ C0] ? tomoyo_check_open_permission+0x2c2/0x3b0 [ 294.069140][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069168][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069193][ C0] ? __lock_acquire+0xab9/0xd20 [ 294.069230][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069255][ C0] ? __lock_acquire+0xab9/0xd20 [ 294.069290][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069315][ C0] ? __lock_acquire+0xab9/0xd20 [ 294.069351][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069379][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069409][ C0] ? __lock_acquire+0xab9/0xd20 [ 294.069445][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069473][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069499][ C0] ? __lock_acquire+0xab9/0xd20 [ 294.069542][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069569][ C0] ? is_bpf_text_address+0x26/0x2b0 [ 294.069605][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069630][ C0] ? is_bpf_text_address+0x292/0x2b0 [ 294.069661][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069686][ C0] ? is_bpf_text_address+0x26/0x2b0 [ 294.069720][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069745][ C0] ? kernel_text_address+0xa5/0xe0 [ 294.069776][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069801][ C0] ? __kernel_text_address+0xd/0x40 [ 294.069830][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069855][ C0] ? unwind_get_return_address+0x4d/0x90 [ 294.069880][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 294.069906][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069931][ C0] ? arch_stack_walk+0xfc/0x150 [ 294.069967][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.069992][ C0] ? stack_trace_save+0x9c/0xe0 [ 294.070017][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 294.070044][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.070069][ C0] ? stack_depot_save_flags+0x40/0x860 [ 294.070103][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.070128][ C0] ? kasan_save_track+0x4f/0x80 [ 294.070153][ C0] ? kasan_save_track+0x3e/0x80 [ 294.070179][ C0] ? kasan_save_free_info+0x46/0x50 [ 294.070200][ C0] ? __kasan_slab_free+0x5b/0x80 [ 294.070227][ C0] ? kfree+0x18e/0x440 [ 294.070252][ C0] ? tomoyo_path_number_perm+0x47a/0x5a0 [ 294.070281][ C0] ? security_file_ioctl+0xcb/0x2d0 [ 294.070309][ C0] ? __se_sys_ioctl+0x47/0x170 [ 294.070334][ C0] ? do_syscall_64+0xfa/0x3b0 [ 294.070374][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.070416][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.070441][ C0] ? __asan_memset+0x22/0x50 [ 294.070465][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.070490][ C0] ? blk_get_meta_cap+0x140/0x710 [ 294.070541][ C0] ? __pfx_blkdev_common_ioctl+0x10/0x10 [ 294.070576][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.070600][ C0] ? do_vfs_ioctl+0xbe8/0x1430 [ 294.070628][ C0] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 294.070664][ C0] ? kasan_quarantine_put+0xdd/0x220 [ 294.070690][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.070714][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 294.070756][ C0] ? __pfx_lo_ioctl+0x10/0x10 [ 294.070783][ C0] blkdev_ioctl+0x5a8/0x6d0 [ 294.070819][ C0] ? __pfx_blkdev_ioctl+0x10/0x10 [ 294.070853][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.070878][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.070904][ C0] ? __pfx_blkdev_ioctl+0x10/0x10 [ 294.070937][ C0] __se_sys_ioctl+0xfc/0x170 [ 294.070965][ C0] do_syscall_64+0xfa/0x3b0 [ 294.070997][ C0] ? lockdep_hardirqs_on+0x9c/0x150 [ 294.071027][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.071048][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.071072][ C0] ? exc_page_fault+0x9f/0xf0 [ 294.071104][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.071125][ C0] RIP: 0033:0x7f1e1e58e7eb [ 294.071144][ C0] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 [ 294.071162][ C0] RSP: 002b:00007ffefee42450 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 294.071184][ C0] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1e1e58e7eb [ 294.071200][ C0] RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004 [ 294.071215][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000012725 [ 294.071229][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 294.071243][ C0] R13: 00007ffefee42580 R14: 00007ffefee42540 R15: 00007f1e15600000 [ 294.071270][ C0] [ 294.074622][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 294.074650][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 294.074678][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 294.074694][ T31] Call Trace: [ 294.074706][ T31] [ 294.074717][ T31] dump_stack_lvl+0x99/0x250 [ 294.074752][ T31] ? __asan_memcpy+0x40/0x70 [ 294.074783][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 294.074814][ T31] ? __pfx__printk+0x10/0x10 [ 294.074858][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.074893][ T31] vpanic+0x281/0x750 [ 294.074926][ T31] ? __pfx_vpanic+0x10/0x10 [ 294.074955][ T31] ? preempt_schedule+0xae/0xc0 [ 294.074991][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.075020][ T31] ? preempt_schedule_common+0x83/0xd0 [ 294.075062][ T31] panic+0xb9/0xc0 [ 294.075090][ T31] ? __pfx_panic+0x10/0x10 [ 294.075120][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.075149][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 294.075194][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.075223][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300 [ 294.075257][ T31] watchdog+0xfd2/0xfe0 [ 294.075300][ T31] ? watchdog+0x1de/0xfe0 [ 294.075341][ T31] kthread+0x711/0x8a0 [ 294.075377][ T31] ? __pfx_watchdog+0x10/0x10 [ 294.075411][ T31] ? __pfx_kthread+0x10/0x10 [ 294.075440][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.075473][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 294.075505][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.075534][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 294.075568][ T31] ? __pfx_kthread+0x10/0x10 [ 294.075601][ T31] ret_from_fork+0x3fc/0x770 [ 294.075631][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 294.075669][ T31] ? __switch_to_asm+0x39/0x70 [ 294.075702][ T31] ? __switch_to_asm+0x33/0x70 [ 294.075734][ T31] ? __pfx_kthread+0x10/0x10 [ 294.075767][ T31] ret_from_fork_asm+0x1a/0x30 [ 294.075818][ T31] [ 294.080459][ T31] Kernel Offset: disabled