ller #0 [ 274.031439][ T6469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 274.041525][ T6469] Call Trace: [ 274.044846][ T6469] [ 274.047798][ T6469] dump_stack_lvl+0x168/0x230 [ 274.052513][ T6469] ? show_regs_print_info+0x20/0x20 [ 274.057752][ T6469] ? load_image+0x3b0/0x3b0 [ 274.062309][ T6469] sysfs_create_dir_ns+0x252/0x280 [ 274.067465][ T6469] ? __lock_acquire+0x7c60/0x7c60 [ 274.072533][ T6469] ? sysfs_warn_dup+0xa0/0xa0 [ 274.077263][ T6469] ? do_raw_spin_unlock+0x11d/0x230 [ 274.082503][ T6469] kobject_add_internal+0x662/0xd00 [ 274.087738][ T6469] kobject_init_and_add+0x122/0x190 [ 274.092964][ T6469] ? lockdep_softirqs_off+0x420/0x420 [ 274.098367][ T6469] ? kobject_add+0x210/0x210 [ 274.102993][ T6469] ? __init_swait_queue_head+0xa5/0x150 [ 274.108569][ T6469] gfs2_sys_fs_add+0x234/0x480 [ 274.113374][ T6469] ? gfs2_recover_set+0x240/0x240 [ 274.118440][ T6469] ? snprintf+0xd7/0x120 [ 274.122722][ T6469] ? __free_pages+0x95/0x1a0 [ 274.127386][ T6469] ? vscnprintf+0x80/0x80 [ 274.131912][ T6469] gfs2_fill_super+0x128d/0x1f50 [ 274.136910][ T6469] ? gfs2_reconfigure+0xcd0/0xcd0 [ 274.141976][ T6469] ? preempt_count_add+0x8d/0x190 [ 274.147052][ T6469] ? sb_set_blocksize+0xa5/0xe0 [ 274.151959][ T6469] get_tree_bdev+0x3f1/0x610 [ 274.156600][ T6469] ? gfs2_reconfigure+0xcd0/0xcd0 [ 274.161669][ T6469] gfs2_get_tree+0x4d/0x1e0 [ 274.166219][ T6469] vfs_get_tree+0x88/0x270 [ 274.170695][ T6469] do_new_mount+0x24a/0xa40 [ 274.175244][ T6469] __se_sys_mount+0x2d6/0x3c0 [ 274.179971][ T6469] ? __x64_sys_mount+0xc0/0xc0 [ 274.184779][ T6469] ? lockdep_hardirqs_on+0x94/0x140 [ 274.190103][ T6469] ? __x64_sys_mount+0x1c/0xc0 [ 274.194910][ T6469] do_syscall_64+0x4c/0xa0 [ 274.199370][ T6469] ? clear_bhb_loop+0x30/0x80 [ 274.204093][ T6469] ? clear_bhb_loop+0x30/0x80 [ 274.208801][ T6469] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 274.214739][ T6469] RIP: 0033:0x7ff299b6c90a [ 274.219191][ T6469] 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 [ 274.239005][ T6469] RSP: 002b:00007ff298ddbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 274.247461][ T6469] RAX: ffffffffffffffda RBX: 00007ff298ddbef0 RCX: 00007ff299b6c90a [ 274.255659][ T6469] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff298ddbeb0 [ 274.263666][ T6469] RBP: 0000200000000400 R08: 00007ff298ddbef0 R09: 0000000000000000 [ 274.271671][ T6469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 274.279674][ T6469] R13: 00007ff298ddbeb0 R14: 00000000000125bb R15: 00002000000004c0 [ 274.287699][ T6469] [ 274.291995][ T6469] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 274.305345][ T6469] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 274.499345][ T6471] loop0: detected capacity change from 0 to 32768 [ 274.673980][ T6473] loop3: detected capacity change from 0 to 32768 [ 274.999561][ T6476] loop1: detected capacity change from 0 to 32768 [ 275.009866][ T6471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 275.017388][ T6471] CPU: 1 PID: 6471 Comm: syz.0.335 Not tainted 5.15.185-syzkaller #0 [ 275.025795][ T6471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 275.035974][ T6471] Call Trace: [ 275.039292][ T6471] [ 275.042303][ T6471] dump_stack_lvl+0x168/0x230 [ 275.047026][ T6471] ? show_regs_print_info+0x20/0x20 [ 275.052269][ T6471] ? load_image+0x3b0/0x3b0 [ 275.056847][ T6471] sysfs_create_dir_ns+0x252/0x280 [ 275.062113][ T6471] ? __lock_acquire+0x7c60/0x7c60 [ 275.067181][ T6471] ? sysfs_warn_dup+0xa0/0xa0 [ 275.069207][ T6473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 275.071896][ T6471] ? do_raw_spin_unlock+0x11d/0x230 [ 275.084565][ T6471] kobject_add_internal+0x662/0xd00 [ 275.089793][ T6471] kobject_init_and_add+0x122/0x190 [ 275.095008][ T6471] ? lockdep_softirqs_off+0x420/0x420 [ 275.100484][ T6471] ? kobject_add+0x210/0x210 [ 275.105116][ T6471] ? __init_swait_queue_head+0xa5/0x150 [ 275.110675][ T6471] gfs2_sys_fs_add+0x234/0x480 [ 275.115453][ T6471] ? gfs2_recover_set+0x240/0x240 [ 275.120591][ T6471] ? snprintf+0xd7/0x120 [ 275.124860][ T6471] ? __free_pages+0x95/0x1a0 [ 275.129728][ T6471] ? vscnprintf+0x80/0x80 [ 275.134118][ T6471] gfs2_fill_super+0x128d/0x1f50 [ 275.139132][ T6471] ? gfs2_reconfigure+0xcd0/0xcd0 [ 275.144308][ T6471] ? preempt_count_add+0x8d/0x190 [ 275.149390][ T6471] ? sb_set_blocksize+0xa5/0xe0 [ 275.154545][ T6471] get_tree_bdev+0x3f1/0x610 [ 275.159182][ T6471] ? gfs2_reconfigure+0xcd0/0xcd0 [ 275.164357][ T6471] gfs2_get_tree+0x4d/0x1e0 [ 275.168904][ T6471] vfs_get_tree+0x88/0x270 [ 275.173358][ T6471] do_new_mount+0x24a/0xa40 [ 275.177904][ T6471] __se_sys_mount+0x2d6/0x3c0 [ 275.182627][ T6471] ? __x64_sys_mount+0xc0/0xc0 [ 275.187435][ T6471] ? lockdep_hardirqs_on+0x94/0x140 [ 275.192665][ T6471] ? __x64_sys_mount+0x1c/0xc0 [ 275.197589][ T6471] do_syscall_64+0x4c/0xa0 [ 275.202044][ T6471] ? clear_bhb_loop+0x30/0x80 [ 275.206747][ T6471] ? clear_bhb_loop+0x30/0x80 [ 275.211462][ T6471] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 275.217379][ T6471] RIP: 0033:0x7f051421690a [ 275.221902][ T6471] 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 [ 275.241750][ T6471] RSP: 002b:00007f0513485e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 275.250239][ T6471] RAX: ffffffffffffffda RBX: 00007f0513485ef0 RCX: 00007f051421690a [ 275.258449][ T6471] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0513485eb0 [ 275.266585][ T6471] RBP: 0000200000000400 R08: 00007f0513485ef0 R09: 0000000000000000 [ 275.274574][ T6471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 275.282722][ T6471] R13: 00007f0513485eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 275.290930][ T6471] [ 275.294098][ T6473] CPU: 0 PID: 6473 Comm: syz.3.336 Not tainted 5.15.185-syzkaller #0 [ 275.295580][ T6471] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 275.302278][ T6473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 275.315875][ T6471] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 275.325641][ T6473] Call Trace: [ 275.325651][ T6473] [ 275.325660][ T6473] dump_stack_lvl+0x168/0x230 [ 275.343115][ T6473] ? show_regs_print_info+0x20/0x20 [ 275.348520][ T6473] ? load_image+0x3b0/0x3b0 [ 275.353065][ T6473] sysfs_create_dir_ns+0x252/0x280 [ 275.358310][ T6473] ? __lock_acquire+0x7c60/0x7c60 [ 275.363376][ T6473] ? sysfs_warn_dup+0xa0/0xa0 [ 275.368111][ T6473] ? do_raw_spin_unlock+0x11d/0x230 [ 275.373352][ T6473] kobject_add_internal+0x662/0xd00 [ 275.378614][ T6473] kobject_init_and_add+0x122/0x190 [ 275.383874][ T6473] ? lockdep_softirqs_off+0x420/0x420 [ 275.389300][ T6473] ? kobject_add+0x210/0x210 [ 275.394241][ T6473] ? __init_swait_queue_head+0xa5/0x150 [ 275.399944][ T6473] gfs2_sys_fs_add+0x234/0x480 [ 275.404835][ T6473] ? gfs2_recover_set+0x240/0x240 [ 275.409898][ T6473] ? snprintf+0xd7/0x120 [ 275.414186][ T6473] ? __free_pages+0x95/0x1a0 [ 275.419067][ T6473] ? vscnprintf+0x80/0x80 [ 275.423447][ T6473] gfs2_fill_super+0x128d/0x1f50 [ 275.428450][ T6473] ? gfs2_reconfigure+0xcd0/0xcd0 [ 275.433525][ T6473] ? preempt_count_add+0x8d/0x190 [ 275.438598][ T6473] ? sb_set_blocksize+0xa5/0xe0 [ 275.443500][ T6473] get_tree_bdev+0x3f1/0x610 [ 275.448138][ T6473] ? gfs2_reconfigure+0xcd0/0xcd0 [ 275.453204][ T6473] gfs2_get_tree+0x4d/0x1e0 [ 275.457879][ T6473] vfs_get_tree+0x88/0x270 [ 275.462328][ T6473] do_new_mount+0x24a/0xa40 [ 275.466965][ T6473] __se_sys_mount+0x2d6/0x3c0 [ 275.471683][ T6473] ? __x64_sys_mount+0xc0/0xc0 [ 275.476489][ T6473] ? lockdep_hardirqs_on+0x94/0x140 [ 275.481724][ T6473] ? __x64_sys_mount+0x1c/0xc0 [ 275.486520][ T6473] do_syscall_64+0x4c/0xa0 [ 275.490967][ T6473] ? clear_bhb_loop+0x30/0x80 [ 275.495671][ T6473] ? clear_bhb_loop+0x30/0x80 [ 275.500377][ T6473] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 275.506321][ T6473] RIP: 0033:0x7ff19e71090a [ 275.510782][ T6473] 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 [ 275.530523][ T6473] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 275.538971][ T6473] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 275.546964][ T6473] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 [ 275.554962][ T6473] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 275.562963][ T6473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 275.571061][ T6473] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 275.579080][ T6473] [ 275.582283][ T6473] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 275.595509][ T6473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 275.743618][ T6481] loop2: detected capacity change from 0 to 32768 [ 275.880060][ T6476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 275.887577][ T6476] CPU: 0 PID: 6476 Comm: syz.1.339 Not tainted 5.15.185-syzkaller #0 [ 275.895670][ T6476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 275.898466][ T6479] loop5: detected capacity change from 0 to 32768 [ 275.905871][ T6476] Call Trace: [ 275.905882][ T6476] [ 275.905892][ T6476] dump_stack_lvl+0x168/0x230 [ 275.905921][ T6476] ? show_regs_print_info+0x20/0x20 [ 275.905941][ T6476] ? load_image+0x3b0/0x3b0 [ 275.905973][ T6476] sysfs_create_dir_ns+0x252/0x280 [ 275.936190][ T6481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 275.938307][ T6476] ? __lock_acquire+0x7c60/0x7c60 [ 275.950788][ T6476] ? sysfs_warn_dup+0xa0/0xa0 [ 275.955482][ T6476] ? do_raw_spin_unlock+0x11d/0x230 [ 275.960705][ T6476] kobject_add_internal+0x662/0xd00 [ 275.965929][ T6476] kobject_init_and_add+0x122/0x190 [ 275.971140][ T6476] ? lockdep_softirqs_off+0x420/0x420 [ 275.976643][ T6476] ? kobject_add+0x210/0x210 [ 275.981252][ T6476] ? __init_swait_queue_head+0xa5/0x150 [ 275.986902][ T6476] gfs2_sys_fs_add+0x234/0x480 [ 275.991678][ T6476] ? gfs2_recover_set+0x240/0x240 [ 275.996712][ T6476] ? snprintf+0xd7/0x120 [ 276.001051][ T6476] ? __free_pages+0x95/0x1a0 [ 276.005662][ T6476] ? vscnprintf+0x80/0x80 [ 276.010025][ T6476] gfs2_fill_super+0x128d/0x1f50 [ 276.014983][ T6476] ? gfs2_reconfigure+0xcd0/0xcd0 [ 276.020121][ T6476] ? preempt_count_add+0x8d/0x190 [ 276.025182][ T6476] ? sb_set_blocksize+0xa5/0xe0 [ 276.030049][ T6476] get_tree_bdev+0x3f1/0x610 [ 276.034652][ T6476] ? gfs2_reconfigure+0xcd0/0xcd0 [ 276.039785][ T6476] gfs2_get_tree+0x4d/0x1e0 [ 276.044305][ T6476] vfs_get_tree+0x88/0x270 [ 276.048734][ T6476] do_new_mount+0x24a/0xa40 [ 276.053437][ T6476] __se_sys_mount+0x2d6/0x3c0 [ 276.058138][ T6476] ? __x64_sys_mount+0xc0/0xc0 [ 276.062926][ T6476] ? lockdep_hardirqs_on+0x94/0x140 [ 276.068143][ T6476] ? __x64_sys_mount+0x1c/0xc0 [ 276.072945][ T6476] do_syscall_64+0x4c/0xa0 [ 276.077369][ T6476] ? clear_bhb_loop+0x30/0x80 [ 276.082099][ T6476] ? clear_bhb_loop+0x30/0x80 [ 276.086786][ T6476] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 276.092689][ T6476] RIP: 0033:0x7ff2fd45190a [ 276.097113][ T6476] 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 [ 276.116826][ T6476] RSP: 002b:00007ff2fc6c0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 276.125342][ T6476] RAX: ffffffffffffffda RBX: 00007ff2fc6c0ef0 RCX: 00007ff2fd45190a [ 276.133421][ T6476] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff2fc6c0eb0 [ 276.141490][ T6476] RBP: 0000200000000400 R08: 00007ff2fc6c0ef0 R09: 0000000000000000 [ 276.149665][ T6476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 276.157735][ T6476] R13: 00007ff2fc6c0eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 276.165732][ T6476] [ 276.168765][ T6481] CPU: 1 PID: 6481 Comm: syz.2.337 Not tainted 5.15.185-syzkaller #0 [ 276.171210][ T6476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 276.176951][ T6481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 276.176966][ T6481] Call Trace: [ 276.176973][ T6481] [ 276.176982][ T6481] dump_stack_lvl+0x168/0x230 [ 276.177011][ T6481] ? show_regs_print_info+0x20/0x20 [ 276.177032][ T6481] ? load_image+0x3b0/0x3b0 [ 276.177066][ T6481] sysfs_create_dir_ns+0x252/0x280 [ 276.177089][ T6481] ? __lock_acquire+0x7c60/0x7c60 [ 276.177116][ T6481] ? sysfs_warn_dup+0xa0/0xa0 [ 276.177141][ T6481] ? do_raw_spin_unlock+0x11d/0x230 [ 276.177167][ T6481] kobject_add_internal+0x662/0xd00 [ 276.190386][ T6476] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 276.200452][ T6481] kobject_init_and_add+0x122/0x190 [ 276.200479][ T6481] ? lockdep_softirqs_off+0x420/0x420 [ 276.200506][ T6481] ? kobject_add+0x210/0x210 [ 276.200533][ T6481] ? __init_swait_queue_head+0xa5/0x150 [ 276.273723][ T6481] gfs2_sys_fs_add+0x234/0x480 [ 276.278525][ T6481] ? gfs2_recover_set+0x240/0x240 [ 276.283669][ T6481] ? snprintf+0xd7/0x120 [ 276.287945][ T6481] ? __free_pages+0x95/0x1a0 [ 276.292570][ T6481] ? vscnprintf+0x80/0x80 [ 276.297289][ T6481] gfs2_fill_super+0x128d/0x1f50 [ 276.302277][ T6481] ? gfs2_reconfigure+0xcd0/0xcd0 [ 276.307523][ T6481] ? preempt_count_add+0x8d/0x190 [ 276.312762][ T6481] ? sb_set_blocksize+0xa5/0xe0 [ 276.317646][ T6481] get_tree_bdev+0x3f1/0x610 [ 276.322278][ T6481] ? gfs2_reconfigure+0xcd0/0xcd0 [ 276.327341][ T6481] gfs2_get_tree+0x4d/0x1e0 [ 276.331890][ T6481] vfs_get_tree+0x88/0x270 [ 276.336343][ T6481] do_new_mount+0x24a/0xa40 [ 276.340896][ T6481] __se_sys_mount+0x2d6/0x3c0 [ 276.345640][ T6481] ? __x64_sys_mount+0xc0/0xc0 [ 276.350439][ T6481] ? lockdep_hardirqs_on+0x94/0x140 [ 276.355652][ T6481] ? __x64_sys_mount+0x1c/0xc0 [ 276.360528][ T6481] do_syscall_64+0x4c/0xa0 [ 276.364969][ T6481] ? clear_bhb_loop+0x30/0x80 [ 276.369740][ T6481] ? clear_bhb_loop+0x30/0x80 [ 276.374461][ T6481] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 276.380378][ T6481] RIP: 0033:0x7f12cf2f590a [ 276.384816][ T6481] 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 [ 276.404972][ T6481] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 276.413485][ T6481] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 276.421471][ T6481] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 276.429650][ T6481] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 276.437742][ T6481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 276.445746][ T6481] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 276.453751][ T6481] [ 276.458773][ T6481] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 276.473717][ T6481] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 276.602639][ T6479] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 276.611855][ T6479] CPU: 0 PID: 6479 Comm: syz.5.340 Not tainted 5.15.185-syzkaller #0 [ 276.619966][ T6479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 276.630065][ T6479] Call Trace: [ 276.633381][ T6479] [ 276.636422][ T6479] dump_stack_lvl+0x168/0x230 [ 276.641133][ T6479] ? show_regs_print_info+0x20/0x20 [ 276.646371][ T6479] ? load_image+0x3b0/0x3b0 [ 276.651012][ T6479] sysfs_create_dir_ns+0x252/0x280 [ 276.656247][ T6479] ? __lock_acquire+0x7c60/0x7c60 [ 276.661310][ T6479] ? sysfs_warn_dup+0xa0/0xa0 [ 276.666017][ T6479] ? do_raw_spin_unlock+0x11d/0x230 [ 276.671241][ T6479] kobject_add_internal+0x662/0xd00 [ 276.676474][ T6479] kobject_init_and_add+0x122/0x190 [ 276.681790][ T6479] ? lockdep_softirqs_off+0x420/0x420 [ 276.687200][ T6479] ? kobject_add+0x210/0x210 [ 276.691837][ T6479] ? __init_swait_queue_head+0xa5/0x150 [ 276.697533][ T6479] gfs2_sys_fs_add+0x234/0x480 [ 276.702344][ T6479] ? gfs2_recover_set+0x240/0x240 [ 276.707417][ T6479] ? snprintf+0xd7/0x120 [ 276.711790][ T6479] ? __free_pages+0x95/0x1a0 [ 276.716419][ T6479] ? vscnprintf+0x80/0x80 [ 276.720798][ T6479] gfs2_fill_super+0x128d/0x1f50 [ 276.725799][ T6479] ? gfs2_reconfigure+0xcd0/0xcd0 [ 276.730941][ T6479] ? preempt_count_add+0x8d/0x190 [ 276.736010][ T6479] ? sb_set_blocksize+0xa5/0xe0 [ 276.740901][ T6479] get_tree_bdev+0x3f1/0x610 [ 276.745633][ T6479] ? gfs2_reconfigure+0xcd0/0xcd0 [ 276.750696][ T6479] gfs2_get_tree+0x4d/0x1e0 [ 276.755247][ T6479] vfs_get_tree+0x88/0x270 [ 276.759708][ T6479] do_new_mount+0x24a/0xa40 [ 276.764252][ T6479] __se_sys_mount+0x2d6/0x3c0 [ 276.769062][ T6479] ? __x64_sys_mount+0xc0/0xc0 [ 276.773868][ T6479] ? lockdep_hardirqs_on+0x94/0x140 [ 276.779107][ T6479] ? __x64_sys_mount+0x1c/0xc0 [ 276.783998][ T6479] do_syscall_64+0x4c/0xa0 [ 276.788451][ T6479] ? clear_bhb_loop+0x30/0x80 [ 276.793262][ T6479] ? clear_bhb_loop+0x30/0x80 [ 276.797985][ T6479] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 276.803940][ T6479] RIP: 0033:0x7ff299b6c90a [ 276.808404][ T6479] 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 [ 276.828730][ T6479] RSP: 002b:00007ff298ddbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 276.837175][ T6479] RAX: ffffffffffffffda RBX: 00007ff298ddbef0 RCX: 00007ff299b6c90a [ 276.845165][ T6479] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff298ddbeb0 [ 276.853169][ T6479] RBP: 0000200000000400 R08: 00007ff298ddbef0 R09: 0000000000000000 [ 276.861179][ T6479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 276.869187][ T6479] R13: 00007ff298ddbeb0 R14: 00000000000125bb R15: 00002000000004c0 [ 276.877207][ T6479] [ 276.880380][ T6479] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 276.893561][ T6479] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 277.022297][ T6483] loop0: detected capacity change from 0 to 32768 [ 277.079270][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 277.086770][ T6483] CPU: 0 PID: 6483 Comm: syz.0.341 Not tainted 5.15.185-syzkaller #0 [ 277.095147][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 277.105609][ T6483] Call Trace: [ 277.108943][ T6483] [ 277.111980][ T6483] dump_stack_lvl+0x168/0x230 [ 277.116693][ T6483] ? show_regs_print_info+0x20/0x20 [ 277.122013][ T6483] ? load_image+0x3b0/0x3b0 [ 277.126568][ T6483] sysfs_create_dir_ns+0x252/0x280 [ 277.131714][ T6483] ? __lock_acquire+0x7c60/0x7c60 [ 277.136775][ T6483] ? sysfs_warn_dup+0xa0/0xa0 [ 277.141491][ T6483] ? do_raw_spin_unlock+0x11d/0x230 [ 277.146730][ T6483] kobject_add_internal+0x662/0xd00 [ 277.152617][ T6483] kobject_init_and_add+0x122/0x190 [ 277.157901][ T6483] ? lockdep_softirqs_off+0x420/0x420 [ 277.163306][ T6483] ? kobject_add+0x210/0x210 [ 277.167923][ T6483] ? __init_swait_queue_head+0xa5/0x150 [ 277.173665][ T6483] gfs2_sys_fs_add+0x234/0x480 [ 277.178451][ T6483] ? gfs2_recover_set+0x240/0x240 [ 277.183499][ T6483] ? snprintf+0xd7/0x120 [ 277.187778][ T6483] ? __free_pages+0x95/0x1a0 [ 277.192403][ T6483] ? vscnprintf+0x80/0x80 [ 277.196965][ T6483] gfs2_fill_super+0x128d/0x1f50 [ 277.201963][ T6483] ? gfs2_reconfigure+0xcd0/0xcd0 [ 277.207039][ T6483] ? preempt_count_add+0x8d/0x190 [ 277.212199][ T6483] ? sb_set_blocksize+0xa5/0xe0 [ 277.217083][ T6483] get_tree_bdev+0x3f1/0x610 [ 277.221822][ T6483] ? gfs2_reconfigure+0xcd0/0xcd0 [ 277.227115][ T6483] gfs2_get_tree+0x4d/0x1e0 [ 277.231663][ T6483] vfs_get_tree+0x88/0x270 [ 277.236122][ T6483] do_new_mount+0x24a/0xa40 [ 277.240785][ T6483] __se_sys_mount+0x2d6/0x3c0 [ 277.245675][ T6483] ? __x64_sys_mount+0xc0/0xc0 [ 277.250482][ T6483] ? lockdep_hardirqs_on+0x94/0x140 [ 277.255728][ T6483] ? __x64_sys_mount+0x1c/0xc0 [ 277.260537][ T6483] do_syscall_64+0x4c/0xa0 [ 277.264990][ T6483] ? clear_bhb_loop+0x30/0x80 [ 277.269719][ T6483] ? clear_bhb_loop+0x30/0x80 [ 277.274445][ T6483] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 277.280606][ T6483] RIP: 0033:0x7f051421690a [ 277.285067][ T6483] 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 [ 277.304819][ T6483] RSP: 002b:00007f0513485e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 277.313370][ T6483] RAX: ffffffffffffffda RBX: 00007f0513485ef0 RCX: 00007f051421690a [ 277.321509][ T6483] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0513485eb0 [ 277.329615][ T6483] RBP: 0000200000000400 R08: 00007f0513485ef0 R09: 0000000000000000 [ 277.337875][ T6483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 277.345898][ T6483] R13: 00007f0513485eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 277.353921][ T6483] [ 277.357087][ T6483] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 277.370274][ T6483] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 277.374802][ T6485] loop3: detected capacity change from 0 to 32768 [ 277.508733][ T6485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 277.516900][ T6485] CPU: 0 PID: 6485 Comm: syz.3.342 Not tainted 5.15.185-syzkaller #0 [ 277.525015][ T6485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 277.535110][ T6485] Call Trace: [ 277.538425][ T6485] [ 277.541392][ T6485] dump_stack_lvl+0x168/0x230 [ 277.546110][ T6485] ? show_regs_print_info+0x20/0x20 [ 277.551339][ T6485] ? load_image+0x3b0/0x3b0 [ 277.555888][ T6485] sysfs_create_dir_ns+0x252/0x280 [ 277.561043][ T6485] ? __lock_acquire+0x7c60/0x7c60 [ 277.566198][ T6485] ? sysfs_warn_dup+0xa0/0xa0 [ 277.570917][ T6485] ? do_raw_spin_unlock+0x11d/0x230 [ 277.576185][ T6485] kobject_add_internal+0x662/0xd00 [ 277.581530][ T6485] kobject_init_and_add+0x122/0x190 [ 277.586782][ T6485] ? lockdep_softirqs_off+0x420/0x420 [ 277.592206][ T6485] ? kobject_add+0x210/0x210 [ 277.596941][ T6485] ? __init_swait_queue_head+0xa5/0x150 [ 277.602716][ T6485] gfs2_sys_fs_add+0x234/0x480 [ 277.607531][ T6485] ? gfs2_recover_set+0x240/0x240 [ 277.612696][ T6485] ? snprintf+0xd7/0x120 [ 277.617001][ T6485] ? __free_pages+0x95/0x1a0 [ 277.621635][ T6485] ? vscnprintf+0x80/0x80 [ 277.626009][ T6485] gfs2_fill_super+0x128d/0x1f50 [ 277.631005][ T6485] ? gfs2_reconfigure+0xcd0/0xcd0 [ 277.636190][ T6485] ? preempt_count_add+0x8d/0x190 [ 277.641348][ T6485] ? sb_set_blocksize+0xa5/0xe0 [ 277.646254][ T6485] get_tree_bdev+0x3f1/0x610 [ 277.650892][ T6485] ? gfs2_reconfigure+0xcd0/0xcd0 [ 277.656066][ T6485] gfs2_get_tree+0x4d/0x1e0 [ 277.660603][ T6485] vfs_get_tree+0x88/0x270 [ 277.665052][ T6485] do_new_mount+0x24a/0xa40 [ 277.669590][ T6485] __se_sys_mount+0x2d6/0x3c0 [ 277.674303][ T6485] ? __x64_sys_mount+0xc0/0xc0 [ 277.679105][ T6485] ? lockdep_hardirqs_on+0x94/0x140 [ 277.684333][ T6485] ? __x64_sys_mount+0x1c/0xc0 [ 277.689135][ T6485] do_syscall_64+0x4c/0xa0 [ 277.693576][ T6485] ? clear_bhb_loop+0x30/0x80 [ 277.698360][ T6485] ? clear_bhb_loop+0x30/0x80 [ 277.703075][ T6485] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 277.709272][ T6485] RIP: 0033:0x7ff19e71090a [ 277.713709][ T6485] 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 [ 277.718485][ T6488] loop1: detected capacity change from 0 to 32768 [ 277.733592][ T6485] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 277.733619][ T6485] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 277.733634][ T6485] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 [ 277.733650][ T6485] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 277.733664][ T6485] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 277.733678][ T6485] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 277.733709][ T6485] [ 277.792045][ T6485] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 277.805402][ T6485] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 278.060377][ T6491] loop5: detected capacity change from 0 to 32768 [ 278.152881][ T6489] loop2: detected capacity change from 0 to 32768 [ 278.169795][ T6488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 278.170362][ T6491] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 278.177384][ T6488] CPU: 1 PID: 6488 Comm: syz.1.343 Not tainted 5.15.185-syzkaller #0 [ 278.192807][ T6488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 278.202874][ T6488] Call Trace: [ 278.206168][ T6488] [ 278.209113][ T6488] dump_stack_lvl+0x168/0x230 [ 278.214087][ T6488] ? show_regs_print_info+0x20/0x20 [ 278.219337][ T6488] ? load_image+0x3b0/0x3b0 [ 278.223865][ T6488] sysfs_create_dir_ns+0x252/0x280 [ 278.228991][ T6488] ? __lock_acquire+0x7c60/0x7c60 [ 278.234032][ T6488] ? sysfs_warn_dup+0xa0/0xa0 [ 278.238845][ T6488] ? do_raw_spin_unlock+0x11d/0x230 [ 278.244055][ T6488] kobject_add_internal+0x662/0xd00 [ 278.249272][ T6488] kobject_init_and_add+0x122/0x190 [ 278.254566][ T6488] ? lockdep_softirqs_off+0x420/0x420 [ 278.259949][ T6488] ? kobject_add+0x210/0x210 [ 278.264811][ T6488] ? __init_swait_queue_head+0xa5/0x150 [ 278.270370][ T6488] gfs2_sys_fs_add+0x234/0x480 [ 278.275158][ T6488] ? gfs2_recover_set+0x240/0x240 [ 278.280284][ T6488] ? snprintf+0xd7/0x120 [ 278.284535][ T6488] ? __free_pages+0x95/0x1a0 [ 278.289136][ T6488] ? vscnprintf+0x80/0x80 [ 278.293484][ T6488] gfs2_fill_super+0x128d/0x1f50 [ 278.298446][ T6488] ? gfs2_reconfigure+0xcd0/0xcd0 [ 278.303482][ T6488] ? preempt_count_add+0x8d/0x190 [ 278.308525][ T6488] ? sb_set_blocksize+0xa5/0xe0 [ 278.313393][ T6488] get_tree_bdev+0x3f1/0x610 [ 278.318040][ T6488] ? gfs2_reconfigure+0xcd0/0xcd0 [ 278.323083][ T6488] gfs2_get_tree+0x4d/0x1e0 [ 278.327606][ T6488] vfs_get_tree+0x88/0x270 [ 278.332038][ T6488] do_new_mount+0x24a/0xa40 [ 278.336556][ T6488] __se_sys_mount+0x2d6/0x3c0 [ 278.341336][ T6488] ? __x64_sys_mount+0xc0/0xc0 [ 278.346112][ T6488] ? lockdep_hardirqs_on+0x94/0x140 [ 278.351409][ T6488] ? __x64_sys_mount+0x1c/0xc0 [ 278.356183][ T6488] do_syscall_64+0x4c/0xa0 [ 278.360703][ T6488] ? clear_bhb_loop+0x30/0x80 [ 278.365477][ T6488] ? clear_bhb_loop+0x30/0x80 [ 278.370165][ T6488] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 278.376067][ T6488] RIP: 0033:0x7ff2fd45190a [ 278.380495][ T6488] 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 [ 278.400456][ T6488] RSP: 002b:00007ff2fc6c0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 278.409057][ T6488] RAX: ffffffffffffffda RBX: 00007ff2fc6c0ef0 RCX: 00007ff2fd45190a [ 278.417157][ T6488] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff2fc6c0eb0 [ 278.425161][ T6488] RBP: 0000200000000400 R08: 00007ff2fc6c0ef0 R09: 0000000000000000 [ 278.433166][ T6488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 278.441149][ T6488] R13: 00007ff2fc6c0eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 278.449313][ T6488] [ 278.452352][ T6491] CPU: 0 PID: 6491 Comm: syz.5.345 Not tainted 5.15.185-syzkaller #0 [ 278.453968][ T6488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 278.460525][ T6491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 278.460540][ T6491] Call Trace: [ 278.460548][ T6491] [ 278.460556][ T6491] dump_stack_lvl+0x168/0x230 [ 278.473701][ T6488] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 278.483935][ T6491] ? show_regs_print_info+0x20/0x20 [ 278.483970][ T6491] ? load_image+0x3b0/0x3b0 [ 278.511434][ T6491] sysfs_create_dir_ns+0x252/0x280 [ 278.516596][ T6491] ? __lock_acquire+0x7c60/0x7c60 [ 278.521671][ T6491] ? sysfs_warn_dup+0xa0/0xa0 [ 278.526404][ T6491] ? do_raw_spin_unlock+0x11d/0x230 [ 278.531648][ T6491] kobject_add_internal+0x662/0xd00 [ 278.536930][ T6491] kobject_init_and_add+0x122/0x190 [ 278.542170][ T6491] ? lockdep_softirqs_off+0x420/0x420 [ 278.547578][ T6491] ? kobject_add+0x210/0x210 [ 278.552301][ T6491] ? __init_swait_queue_head+0xa5/0x150 [ 278.557891][ T6491] gfs2_sys_fs_add+0x234/0x480 [ 278.562698][ T6491] ? gfs2_recover_set+0x240/0x240 [ 278.567800][ T6491] ? snprintf+0xd7/0x120 [ 278.572245][ T6491] ? __free_pages+0x95/0x1a0 [ 278.576876][ T6491] ? vscnprintf+0x80/0x80 [ 278.581256][ T6491] gfs2_fill_super+0x128d/0x1f50 [ 278.586239][ T6491] ? gfs2_reconfigure+0xcd0/0xcd0 [ 278.591404][ T6491] ? preempt_count_add+0x8d/0x190 [ 278.596481][ T6491] ? sb_set_blocksize+0xa5/0xe0 [ 278.601482][ T6491] get_tree_bdev+0x3f1/0x610 [ 278.606131][ T6491] ? gfs2_reconfigure+0xcd0/0xcd0 [ 278.611201][ T6491] gfs2_get_tree+0x4d/0x1e0 [ 278.615743][ T6491] vfs_get_tree+0x88/0x270 [ 278.620208][ T6491] do_new_mount+0x24a/0xa40 [ 278.624765][ T6491] __se_sys_mount+0x2d6/0x3c0 [ 278.629494][ T6491] ? __x64_sys_mount+0xc0/0xc0 [ 278.634299][ T6491] ? lockdep_hardirqs_on+0x94/0x140 [ 278.639837][ T6491] ? __x64_sys_mount+0x1c/0xc0 [ 278.644649][ T6491] do_syscall_64+0x4c/0xa0 [ 278.649095][ T6491] ? clear_bhb_loop+0x30/0x80 [ 278.653801][ T6491] ? clear_bhb_loop+0x30/0x80 [ 278.658530][ T6491] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 278.664475][ T6491] RIP: 0033:0x7ff299b6c90a [ 278.668917][ T6491] 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 [ 278.688785][ T6491] RSP: 002b:00007ff298ddbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 278.697590][ T6491] RAX: ffffffffffffffda RBX: 00007ff298ddbef0 RCX: 00007ff299b6c90a [ 278.705972][ T6491] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff298ddbeb0 [ 278.714069][ T6491] RBP: 0000200000000400 R08: 00007ff298ddbef0 R09: 0000000000000000 [ 278.722077][ T6491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 278.730350][ T6491] R13: 00007ff298ddbeb0 R14: 00000000000125bb R15: 00002000000004c0 [ 278.738396][ T6491] [ 278.742639][ T6491] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 278.755945][ T6491] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 278.767684][ T4968] Bluetooth: hci5: command 0x0406 tx timeout [ 278.779513][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 278.787006][ T6489] CPU: 0 PID: 6489 Comm: syz.2.344 Not tainted 5.15.185-syzkaller #0 [ 278.795106][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 278.805194][ T6489] Call Trace: [ 278.808497][ T6489] [ 278.811450][ T6489] dump_stack_lvl+0x168/0x230 [ 278.816174][ T6489] ? show_regs_print_info+0x20/0x20 [ 278.821400][ T6489] ? load_image+0x3b0/0x3b0 [ 278.826149][ T6489] sysfs_create_dir_ns+0x252/0x280 [ 278.831296][ T6489] ? __lock_acquire+0x7c60/0x7c60 [ 278.836352][ T6489] ? sysfs_warn_dup+0xa0/0xa0 [ 278.841068][ T6489] ? do_raw_spin_unlock+0x11d/0x230 [ 278.846302][ T6489] kobject_add_internal+0x662/0xd00 [ 278.851533][ T6489] kobject_init_and_add+0x122/0x190 [ 278.856755][ T6489] ? lockdep_softirqs_off+0x420/0x420 [ 278.862163][ T6489] ? kobject_add+0x210/0x210 [ 278.866870][ T6489] ? __init_swait_queue_head+0xa5/0x150 [ 278.871462][ T6493] loop0: detected capacity change from 0 to 32768 [ 278.872443][ T6489] gfs2_sys_fs_add+0x234/0x480 [ 278.883745][ T6489] ? gfs2_recover_set+0x240/0x240 [ 278.888807][ T6489] ? snprintf+0xd7/0x120 [ 278.893100][ T6489] ? __free_pages+0x95/0x1a0 [ 278.897739][ T6489] ? vscnprintf+0x80/0x80 [ 278.902130][ T6489] gfs2_fill_super+0x128d/0x1f50 [ 278.907212][ T6489] ? gfs2_reconfigure+0xcd0/0xcd0 [ 278.912289][ T6489] ? preempt_count_add+0x8d/0x190 [ 278.917364][ T6489] ? sb_set_blocksize+0xa5/0xe0 [ 278.922250][ T6489] get_tree_bdev+0x3f1/0x610 [ 278.926886][ T6489] ? gfs2_reconfigure+0xcd0/0xcd0 [ 278.931953][ T6489] gfs2_get_tree+0x4d/0x1e0 [ 278.936566][ T6489] vfs_get_tree+0x88/0x270 [ 278.940998][ T6489] do_new_mount+0x24a/0xa40 [ 278.945526][ T6489] __se_sys_mount+0x2d6/0x3c0 [ 278.950242][ T6489] ? __x64_sys_mount+0xc0/0xc0 [ 278.955034][ T6489] ? lockdep_hardirqs_on+0x94/0x140 [ 278.960239][ T6489] ? __x64_sys_mount+0x1c/0xc0 [ 278.965011][ T6489] do_syscall_64+0x4c/0xa0 [ 278.969432][ T6489] ? clear_bhb_loop+0x30/0x80 [ 278.974127][ T6489] ? clear_bhb_loop+0x30/0x80 [ 278.979074][ T6489] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 278.984982][ T6489] RIP: 0033:0x7f12cf2f590a [ 278.989413][ T6489] 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 [ 279.009301][ T6489] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 279.017782][ T6489] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 279.025976][ T6489] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 279.033984][ T6489] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 279.041971][ T6489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 279.050143][ T6489] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 279.058162][ T6489] [ 279.062357][ T6489] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 279.075948][ T6489] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/06/24 21:36:46 executed programs: 341 [ 279.297564][ T6493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 279.304994][ T6493] CPU: 0 PID: 6493 Comm: syz.0.346 Not tainted 5.15.185-syzkaller #0 [ 279.313279][ T6493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 279.323543][ T6493] Call Trace: [ 279.326860][ T6493] [ 279.329828][ T6493] dump_stack_lvl+0x168/0x230 [ 279.334645][ T6493] ? show_regs_print_info+0x20/0x20 [ 279.339879][ T6493] ? load_image+0x3b0/0x3b0 [ 279.344416][ T6493] sysfs_create_dir_ns+0x252/0x280 [ 279.349553][ T6493] ? __lock_acquire+0x7c60/0x7c60 [ 279.354621][ T6493] ? sysfs_warn_dup+0xa0/0xa0 [ 279.359348][ T6493] ? do_raw_spin_unlock+0x11d/0x230 [ 279.364589][ T6493] kobject_add_internal+0x662/0xd00 [ 279.369924][ T6493] kobject_init_and_add+0x122/0x190 [ 279.375214][ T6493] ? lockdep_softirqs_off+0x420/0x420 [ 279.380634][ T6493] ? kobject_add+0x210/0x210 [ 279.385353][ T6493] ? __init_swait_queue_head+0xa5/0x150 [ 279.390948][ T6493] gfs2_sys_fs_add+0x234/0x480 [ 279.395764][ T6493] ? gfs2_recover_set+0x240/0x240 [ 279.400832][ T6493] ? snprintf+0xd7/0x120 [ 279.405131][ T6493] ? __free_pages+0x95/0x1a0 [ 279.409776][ T6493] ? vscnprintf+0x80/0x80 [ 279.414260][ T6493] gfs2_fill_super+0x128d/0x1f50 [ 279.419271][ T6493] ? gfs2_reconfigure+0xcd0/0xcd0 [ 279.424354][ T6493] ? preempt_count_add+0x8d/0x190 [ 279.429434][ T6493] ? sb_set_blocksize+0xa5/0xe0 [ 279.434333][ T6493] get_tree_bdev+0x3f1/0x610 [ 279.438969][ T6493] ? gfs2_reconfigure+0xcd0/0xcd0 [ 279.444036][ T6493] gfs2_get_tree+0x4d/0x1e0 [ 279.448589][ T6493] vfs_get_tree+0x88/0x270 [ 279.453168][ T6493] do_new_mount+0x24a/0xa40 [ 279.457841][ T6493] __se_sys_mount+0x2d6/0x3c0 [ 279.462580][ T6493] ? __x64_sys_mount+0xc0/0xc0 [ 279.467481][ T6493] ? lockdep_hardirqs_on+0x94/0x140 [ 279.472723][ T6493] ? __x64_sys_mount+0x1c/0xc0 [ 279.477542][ T6493] do_syscall_64+0x4c/0xa0 [ 279.482043][ T6493] ? clear_bhb_loop+0x30/0x80 [ 279.486838][ T6493] ? clear_bhb_loop+0x30/0x80 [ 279.491677][ T6493] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 279.497894][ T6493] RIP: 0033:0x7f051421690a [ 279.502351][ T6493] 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 [ 279.522005][ T6493] RSP: 002b:00007f0513485e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 279.530469][ T6493] RAX: ffffffffffffffda RBX: 00007f0513485ef0 RCX: 00007f051421690a [ 279.538476][ T6493] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0513485eb0 [ 279.546480][ T6493] RBP: 0000200000000400 R08: 00007f0513485ef0 R09: 0000000000000000 [ 279.554485][ T6493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 279.562485][ T6493] R13: 00007f0513485eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 279.570509][ T6493] [ 279.575532][ T6493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 279.588730][ T6493] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 279.749442][ T6495] loop3: detected capacity change from 0 to 32768 [ 279.943231][ T6498] loop5: detected capacity change from 0 to 32768 [ 280.065764][ T6500] loop2: detected capacity change from 0 to 32768 [ 280.105509][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 280.112939][ T6498] CPU: 1 PID: 6498 Comm: syz.5.349 Not tainted 5.15.185-syzkaller #0 [ 280.121051][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 280.131137][ T6498] Call Trace: [ 280.134534][ T6498] [ 280.137495][ T6498] dump_stack_lvl+0x168/0x230 [ 280.142386][ T6498] ? show_regs_print_info+0x20/0x20 [ 280.147615][ T6498] ? load_image+0x3b0/0x3b0 [ 280.152164][ T6498] sysfs_create_dir_ns+0x252/0x280 [ 280.157310][ T6498] ? __lock_acquire+0x7c60/0x7c60 [ 280.162368][ T6498] ? sysfs_warn_dup+0xa0/0xa0 [ 280.167078][ T6498] ? do_raw_spin_unlock+0x11d/0x230 [ 280.172312][ T6498] kobject_add_internal+0x662/0xd00 [ 280.177553][ T6498] kobject_init_and_add+0x122/0x190 [ 280.182880][ T6498] ? lockdep_softirqs_off+0x420/0x420 [ 280.188463][ T6498] ? kobject_add+0x210/0x210 [ 280.193095][ T6498] ? __init_swait_queue_head+0xa5/0x150 [ 280.198677][ T6498] gfs2_sys_fs_add+0x234/0x480 [ 280.203579][ T6498] ? gfs2_recover_set+0x240/0x240 [ 280.208820][ T6498] ? snprintf+0xd7/0x120 [ 280.213103][ T6498] ? __free_pages+0x95/0x1a0 [ 280.217732][ T6498] ? vscnprintf+0x80/0x80 [ 280.222360][ T6498] gfs2_fill_super+0x128d/0x1f50 [ 280.227342][ T6498] ? gfs2_reconfigure+0xcd0/0xcd0 [ 280.232661][ T6498] ? preempt_count_add+0x8d/0x190 [ 280.237729][ T6498] ? sb_set_blocksize+0xa5/0xe0 [ 280.242622][ T6498] get_tree_bdev+0x3f1/0x610 [ 280.247247][ T6498] ? gfs2_reconfigure+0xcd0/0xcd0 [ 280.252306][ T6498] gfs2_get_tree+0x4d/0x1e0 [ 280.256931][ T6498] vfs_get_tree+0x88/0x270 [ 280.261395][ T6498] do_new_mount+0x24a/0xa40 [ 280.265978][ T6498] __se_sys_mount+0x2d6/0x3c0 [ 280.270702][ T6498] ? __x64_sys_mount+0xc0/0xc0 [ 280.275691][ T6498] ? lockdep_hardirqs_on+0x94/0x140 [ 280.280917][ T6498] ? __x64_sys_mount+0x1c/0xc0 [ 280.285695][ T6498] do_syscall_64+0x4c/0xa0 [ 280.290131][ T6498] ? clear_bhb_loop+0x30/0x80 [ 280.294813][ T6498] ? clear_bhb_loop+0x30/0x80 [ 280.299489][ T6498] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 280.305391][ T6498] RIP: 0033:0x7ff299b6c90a [ 280.309810][ T6498] 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 [ 280.329424][ T6498] RSP: 002b:00007ff298ddbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 280.337843][ T6498] RAX: ffffffffffffffda RBX: 00007ff298ddbef0 RCX: 00007ff299b6c90a [ 280.345845][ T6498] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff298ddbeb0 [ 280.353839][ T6498] RBP: 0000200000000400 R08: 00007ff298ddbef0 R09: 0000000000000000 [ 280.361814][ T6498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 280.369814][ T6498] R13: 00007ff298ddbeb0 R14: 00000000000125bb R15: 00002000000004c0 [ 280.377823][ T6498] [ 280.381007][ T6498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 280.394260][ T6498] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 280.414771][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 280.417330][ T6501] loop1: detected capacity change from 0 to 32768 [ 280.422759][ T6495] CPU: 1 PID: 6495 Comm: syz.3.347 Not tainted 5.15.185-syzkaller #0 [ 280.436681][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 280.446778][ T6495] Call Trace: [ 280.450080][ T6495] [ 280.453028][ T6495] dump_stack_lvl+0x168/0x230 [ 280.457807][ T6495] ? show_regs_print_info+0x20/0x20 [ 280.463046][ T6495] ? load_image+0x3b0/0x3b0 [ 280.467687][ T6495] sysfs_create_dir_ns+0x252/0x280 [ 280.472931][ T6495] ? __lock_acquire+0x7c60/0x7c60 [ 280.477989][ T6495] ? sysfs_warn_dup+0xa0/0xa0 [ 280.482703][ T6495] ? do_raw_spin_unlock+0x11d/0x230 [ 280.488051][ T6495] kobject_add_internal+0x662/0xd00 [ 280.493384][ T6495] kobject_init_and_add+0x122/0x190 [ 280.498613][ T6495] ? lockdep_softirqs_off+0x420/0x420 [ 280.504027][ T6495] ? kobject_add+0x210/0x210 [ 280.508646][ T6495] ? __init_swait_queue_head+0xa5/0x150 [ 280.514235][ T6495] gfs2_sys_fs_add+0x234/0x480 [ 280.519041][ T6495] ? gfs2_recover_set+0x240/0x240 [ 280.524100][ T6495] ? snprintf+0xd7/0x120 [ 280.528376][ T6495] ? __free_pages+0x95/0x1a0 [ 280.533092][ T6495] ? vscnprintf+0x80/0x80 [ 280.536424][ T6500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 280.537461][ T6495] gfs2_fill_super+0x128d/0x1f50 [ 280.549948][ T6495] ? gfs2_reconfigure+0xcd0/0xcd0 [ 280.555074][ T6495] ? preempt_count_add+0x8d/0x190 [ 280.560118][ T6495] ? sb_set_blocksize+0xa5/0xe0 [ 280.564979][ T6495] get_tree_bdev+0x3f1/0x610 [ 280.569587][ T6495] ? gfs2_reconfigure+0xcd0/0xcd0 [ 280.574630][ T6495] gfs2_get_tree+0x4d/0x1e0 [ 280.579157][ T6495] vfs_get_tree+0x88/0x270 [ 280.583586][ T6495] do_new_mount+0x24a/0xa40 [ 280.588112][ T6495] __se_sys_mount+0x2d6/0x3c0 [ 280.592807][ T6495] ? __x64_sys_mount+0xc0/0xc0 [ 280.597583][ T6495] ? lockdep_hardirqs_on+0x94/0x140 [ 280.602808][ T6495] ? __x64_sys_mount+0x1c/0xc0 [ 280.607608][ T6495] do_syscall_64+0x4c/0xa0 [ 280.612044][ T6495] ? clear_bhb_loop+0x30/0x80 [ 280.616736][ T6495] ? clear_bhb_loop+0x30/0x80 [ 280.621435][ T6495] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 280.627342][ T6495] RIP: 0033:0x7ff19e71090a [ 280.631775][ T6495] 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 [ 280.651492][ T6495] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 280.659942][ T6495] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 280.667932][ T6495] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 [ 280.675918][ T6495] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 280.683995][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 280.692067][ T6495] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 280.700148][ T6495] [ 280.703173][ T6500] CPU: 0 PID: 6500 Comm: syz.2.350 Not tainted 5.15.185-syzkaller #0 [ 280.704457][ T6495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 280.711265][ T6500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 280.711280][ T6500] Call Trace: [ 280.711289][ T6500] [ 280.711298][ T6500] dump_stack_lvl+0x168/0x230 [ 280.724419][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 280.734451][ T6500] ? show_regs_print_info+0x20/0x20 [ 280.734477][ T6500] ? load_image+0x3b0/0x3b0 [ 280.761604][ T6500] sysfs_create_dir_ns+0x252/0x280 [ 280.766795][ T6500] ? __lock_acquire+0x7c60/0x7c60 [ 280.771859][ T6500] ? sysfs_warn_dup+0xa0/0xa0 [ 280.776608][ T6500] ? do_raw_spin_unlock+0x11d/0x230 [ 280.781942][ T6500] kobject_add_internal+0x662/0xd00 [ 280.787275][ T6500] kobject_init_and_add+0x122/0x190 [ 280.792547][ T6500] ? lockdep_softirqs_off+0x420/0x420 [ 280.797973][ T6500] ? kobject_add+0x210/0x210 [ 280.802616][ T6500] ? __init_swait_queue_head+0xa5/0x150 [ 280.808293][ T6500] gfs2_sys_fs_add+0x234/0x480 [ 280.813104][ T6500] ? gfs2_recover_set+0x240/0x240 [ 280.818170][ T6500] ? snprintf+0xd7/0x120 [ 280.822453][ T6500] ? __free_pages+0x95/0x1a0 [ 280.827099][ T6500] ? vscnprintf+0x80/0x80 [ 280.831539][ T6500] gfs2_fill_super+0x128d/0x1f50 [ 280.836797][ T6500] ? gfs2_reconfigure+0xcd0/0xcd0 [ 280.841946][ T6500] ? preempt_count_add+0x8d/0x190 [ 280.847024][ T6500] ? sb_set_blocksize+0xa5/0xe0 [ 280.851911][ T6500] get_tree_bdev+0x3f1/0x610 [ 280.856533][ T6500] ? gfs2_reconfigure+0xcd0/0xcd0 [ 280.861591][ T6500] gfs2_get_tree+0x4d/0x1e0 [ 280.866136][ T6500] vfs_get_tree+0x88/0x270 [ 280.871223][ T6500] do_new_mount+0x24a/0xa40 [ 280.875771][ T6500] __se_sys_mount+0x2d6/0x3c0 [ 280.880492][ T6500] ? __x64_sys_mount+0xc0/0xc0 [ 280.885306][ T6500] ? lockdep_hardirqs_on+0x94/0x140 [ 280.890723][ T6500] ? __x64_sys_mount+0x1c/0xc0 [ 280.895841][ T6500] do_syscall_64+0x4c/0xa0 [ 280.900301][ T6500] ? clear_bhb_loop+0x30/0x80 [ 280.905014][ T6500] ? clear_bhb_loop+0x30/0x80 [ 280.909816][ T6500] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 280.915929][ T6500] RIP: 0033:0x7f12cf2f590a [ 280.920378][ T6500] 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 [ 280.940097][ T6500] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 280.948545][ T6500] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 280.956543][ T6500] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 280.964640][ T6500] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 280.972732][ T6500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 280.980735][ T6500] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 280.988755][ T6500] [ 280.993229][ T6500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 281.006693][ T6500] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 281.039821][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 281.047394][ T6501] CPU: 0 PID: 6501 Comm: syz.1.348 Not tainted 5.15.185-syzkaller #0 [ 281.055580][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 281.065664][ T6501] Call Trace: [ 281.068992][ T6501] [ 281.071954][ T6501] dump_stack_lvl+0x168/0x230 [ 281.076662][ T6501] ? show_regs_print_info+0x20/0x20 [ 281.081972][ T6501] ? load_image+0x3b0/0x3b0 [ 281.086529][ T6501] sysfs_create_dir_ns+0x252/0x280 [ 281.091682][ T6501] ? __lock_acquire+0x7c60/0x7c60 [ 281.096732][ T6501] ? sysfs_warn_dup+0xa0/0xa0 [ 281.101436][ T6501] ? do_raw_spin_unlock+0x11d/0x230 [ 281.106662][ T6501] kobject_add_internal+0x662/0xd00 [ 281.111981][ T6501] kobject_init_and_add+0x122/0x190 [ 281.117202][ T6501] ? lockdep_softirqs_off+0x420/0x420 [ 281.122696][ T6501] ? kobject_add+0x210/0x210 [ 281.127402][ T6501] ? __init_swait_queue_head+0xa5/0x150 [ 281.133502][ T6501] gfs2_sys_fs_add+0x234/0x480 [ 281.135593][ T6503] loop0: detected capacity change from 0 to 32768 [ 281.138383][ T6501] ? gfs2_recover_set+0x240/0x240 [ 281.150180][ T6501] ? snprintf+0xd7/0x120 [ 281.154524][ T6501] ? __free_pages+0x95/0x1a0 [ 281.159163][ T6501] ? vscnprintf+0x80/0x80 [ 281.163540][ T6501] gfs2_fill_super+0x128d/0x1f50 [ 281.168530][ T6501] ? gfs2_reconfigure+0xcd0/0xcd0 [ 281.173630][ T6501] ? preempt_count_add+0x8d/0x190 [ 281.178893][ T6501] ? sb_set_blocksize+0xa5/0xe0 [ 281.183799][ T6501] get_tree_bdev+0x3f1/0x610 [ 281.188410][ T6501] ? gfs2_reconfigure+0xcd0/0xcd0 [ 281.193439][ T6501] gfs2_get_tree+0x4d/0x1e0 [ 281.197961][ T6501] vfs_get_tree+0x88/0x270 [ 281.202541][ T6501] do_new_mount+0x24a/0xa40 [ 281.207100][ T6501] __se_sys_mount+0x2d6/0x3c0 [ 281.212011][ T6501] ? __x64_sys_mount+0xc0/0xc0 [ 281.216800][ T6501] ? lockdep_hardirqs_on+0x94/0x140 [ 281.222001][ T6501] ? __x64_sys_mount+0x1c/0xc0 [ 281.226771][ T6501] do_syscall_64+0x4c/0xa0 [ 281.231212][ T6501] ? clear_bhb_loop+0x30/0x80 [ 281.235884][ T6501] ? clear_bhb_loop+0x30/0x80 [ 281.240558][ T6501] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 281.246451][ T6501] RIP: 0033:0x7ff2fd45190a [ 281.250874][ T6501] 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 [ 281.270499][ T6501] RSP: 002b:00007ff2fc6c0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 281.278918][ T6501] RAX: ffffffffffffffda RBX: 00007ff2fc6c0ef0 RCX: 00007ff2fd45190a [ 281.286985][ T6501] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff2fc6c0eb0 [ 281.295051][ T6501] RBP: 0000200000000400 R08: 00007ff2fc6c0ef0 R09: 0000000000000000 [ 281.303026][ T6501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 281.311093][ T6501] R13: 00007ff2fc6c0eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 281.319126][ T6501] [ 281.323613][ T6501] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 281.337925][ T6501] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 281.559179][ T6503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 281.566828][ T6503] CPU: 1 PID: 6503 Comm: syz.0.351 Not tainted 5.15.185-syzkaller #0 [ 281.574940][ T6503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 281.585100][ T6503] Call Trace: [ 281.588418][ T6503] [ 281.591374][ T6503] dump_stack_lvl+0x168/0x230 [ 281.596077][ T6503] ? show_regs_print_info+0x20/0x20 [ 281.601304][ T6503] ? load_image+0x3b0/0x3b0 [ 281.605843][ T6503] sysfs_create_dir_ns+0x252/0x280 [ 281.610998][ T6503] ? __lock_acquire+0x7c60/0x7c60 [ 281.616149][ T6503] ? sysfs_warn_dup+0xa0/0xa0 [ 281.621033][ T6503] ? do_raw_spin_unlock+0x11d/0x230 [ 281.626281][ T6503] kobject_add_internal+0x662/0xd00 [ 281.631957][ T6503] kobject_init_and_add+0x122/0x190 [ 281.637190][ T6503] ? lockdep_softirqs_off+0x420/0x420 [ 281.642690][ T6503] ? kobject_add+0x210/0x210 [ 281.647327][ T6503] ? __init_swait_queue_head+0xa5/0x150 [ 281.652916][ T6503] gfs2_sys_fs_add+0x234/0x480 [ 281.657726][ T6503] ? gfs2_recover_set+0x240/0x240 [ 281.662797][ T6503] ? snprintf+0xd7/0x120 [ 281.667082][ T6503] ? __free_pages+0x95/0x1a0 [ 281.671803][ T6503] ? vscnprintf+0x80/0x80 [ 281.676177][ T6503] gfs2_fill_super+0x128d/0x1f50 [ 281.681338][ T6503] ? gfs2_reconfigure+0xcd0/0xcd0 [ 281.686404][ T6503] ? preempt_count_add+0x8d/0x190 [ 281.691477][ T6503] ? sb_set_blocksize+0xa5/0xe0 [ 281.696449][ T6503] get_tree_bdev+0x3f1/0x610 [ 281.701228][ T6503] ? gfs2_reconfigure+0xcd0/0xcd0 [ 281.706298][ T6503] gfs2_get_tree+0x4d/0x1e0 [ 281.710843][ T6503] vfs_get_tree+0x88/0x270 [ 281.715289][ T6503] do_new_mount+0x24a/0xa40 [ 281.719936][ T6503] __se_sys_mount+0x2d6/0x3c0 [ 281.724647][ T6503] ? __x64_sys_mount+0xc0/0xc0 [ 281.729503][ T6503] ? lockdep_hardirqs_on+0x94/0x140 [ 281.734818][ T6503] ? __x64_sys_mount+0x1c/0xc0 [ 281.739611][ T6503] do_syscall_64+0x4c/0xa0 [ 281.744081][ T6503] ? clear_bhb_loop+0x30/0x80 [ 281.748778][ T6503] ? clear_bhb_loop+0x30/0x80 [ 281.753575][ T6503] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 281.759496][ T6503] RIP: 0033:0x7f051421690a [ 281.763939][ T6503] 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 [ 281.783657][ T6503] RSP: 002b:00007f0513485e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 281.792203][ T6503] RAX: ffffffffffffffda RBX: 00007f0513485ef0 RCX: 00007f051421690a [ 281.794245][ T6506] loop3: detected capacity change from 0 to 32768 [ 281.800486][ T6503] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0513485eb0 [ 281.800511][ T6503] RBP: 0000200000000400 R08: 00007f0513485ef0 R09: 0000000000000000 [ 281.800526][ T6503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 281.800540][ T6503] R13: 00007f0513485eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 281.800570][ T6503] [ 281.844290][ T6503] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 281.857523][ T6503] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 282.194952][ T6509] loop2: detected capacity change from 0 to 32768 [ 282.220106][ T6507] loop5: detected capacity change from 0 to 32768 [ 282.232346][ T6506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 282.239922][ T6506] CPU: 1 PID: 6506 Comm: syz.3.353 Not tainted 5.15.185-syzkaller #0 [ 282.248109][ T6506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 282.258188][ T6506] Call Trace: [ 282.261497][ T6506] [ 282.264458][ T6506] dump_stack_lvl+0x168/0x230 [ 282.269175][ T6506] ? show_regs_print_info+0x20/0x20 [ 282.274436][ T6506] ? load_image+0x3b0/0x3b0 [ 282.278991][ T6506] sysfs_create_dir_ns+0x252/0x280 [ 282.284138][ T6506] ? __lock_acquire+0x7c60/0x7c60 [ 282.289201][ T6506] ? sysfs_warn_dup+0xa0/0xa0 [ 282.293919][ T6506] ? do_raw_spin_unlock+0x11d/0x230 [ 282.299158][ T6506] kobject_add_internal+0x662/0xd00 [ 282.304410][ T6506] kobject_init_and_add+0x122/0x190 [ 282.309653][ T6506] ? lockdep_softirqs_off+0x420/0x420 [ 282.315071][ T6506] ? kobject_add+0x210/0x210 [ 282.319709][ T6506] ? __init_swait_queue_head+0xa5/0x150 [ 282.325311][ T6506] gfs2_sys_fs_add+0x234/0x480 [ 282.330114][ T6506] ? gfs2_recover_set+0x240/0x240 [ 282.335180][ T6506] ? snprintf+0xd7/0x120 [ 282.339455][ T6506] ? __free_pages+0x95/0x1a0 [ 282.344085][ T6506] ? vscnprintf+0x80/0x80 [ 282.348456][ T6506] gfs2_fill_super+0x128d/0x1f50 [ 282.353439][ T6506] ? gfs2_reconfigure+0xcd0/0xcd0 [ 282.358499][ T6506] ? preempt_count_add+0x8d/0x190 [ 282.363567][ T6506] ? sb_set_blocksize+0xa5/0xe0 [ 282.368447][ T6506] get_tree_bdev+0x3f1/0x610 [ 282.373159][ T6506] ? gfs2_reconfigure+0xcd0/0xcd0 [ 282.378218][ T6506] gfs2_get_tree+0x4d/0x1e0 [ 282.382757][ T6506] vfs_get_tree+0x88/0x270 [ 282.387205][ T6506] do_new_mount+0x24a/0xa40 [ 282.391757][ T6506] __se_sys_mount+0x2d6/0x3c0 [ 282.396470][ T6506] ? __x64_sys_mount+0xc0/0xc0 [ 282.401266][ T6506] ? lockdep_hardirqs_on+0x94/0x140 [ 282.406490][ T6506] ? __x64_sys_mount+0x1c/0xc0 [ 282.411296][ T6506] do_syscall_64+0x4c/0xa0 [ 282.415752][ T6506] ? clear_bhb_loop+0x30/0x80 [ 282.420469][ T6506] ? clear_bhb_loop+0x30/0x80 [ 282.425171][ T6506] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 282.431086][ T6506] RIP: 0033:0x7ff19e71090a [ 282.435521][ T6506] 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 [ 282.455151][ T6506] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 282.463612][ T6506] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 282.471633][ T6506] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 [ 282.479658][ T6506] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 282.487669][ T6506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 282.495778][ T6506] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 282.503806][ T6506] [ 282.508712][ T6506] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 282.523223][ T6506] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 282.636662][ T6511] loop1: detected capacity change from 0 to 32768 [ 282.690755][ T6509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 282.698253][ T6509] CPU: 1 PID: 6509 Comm: syz.2.354 Not tainted 5.15.185-syzkaller #0 [ 282.706378][ T6509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 282.716473][ T6509] Call Trace: [ 282.719867][ T6509] [ 282.722952][ T6509] dump_stack_lvl+0x168/0x230 [ 282.727672][ T6509] ? show_regs_print_info+0x20/0x20 [ 282.732909][ T6509] ? load_image+0x3b0/0x3b0 [ 282.737467][ T6509] sysfs_create_dir_ns+0x252/0x280 [ 282.742610][ T6509] ? __lock_acquire+0x7c60/0x7c60 [ 282.747674][ T6509] ? sysfs_warn_dup+0xa0/0xa0 [ 282.752428][ T6509] ? do_raw_spin_unlock+0x11d/0x230 [ 282.757687][ T6509] kobject_add_internal+0x662/0xd00 [ 282.762929][ T6509] kobject_init_and_add+0x122/0x190 [ 282.768161][ T6509] ? lockdep_softirqs_off+0x420/0x420 [ 282.773745][ T6509] ? kobject_add+0x210/0x210 [ 282.778367][ T6509] ? __init_swait_queue_head+0xa5/0x150 [ 282.783953][ T6509] gfs2_sys_fs_add+0x234/0x480 [ 282.788745][ T6509] ? gfs2_recover_set+0x240/0x240 [ 282.793787][ T6509] ? snprintf+0xd7/0x120 [ 282.798043][ T6509] ? __free_pages+0x95/0x1a0 [ 282.802657][ T6509] ? vscnprintf+0x80/0x80 [ 282.807014][ T6509] gfs2_fill_super+0x128d/0x1f50 [ 282.811996][ T6509] ? gfs2_reconfigure+0xcd0/0xcd0 [ 282.817065][ T6509] ? preempt_count_add+0x8d/0x190 [ 282.822141][ T6509] ? sb_set_blocksize+0xa5/0xe0 [ 282.827034][ T6509] get_tree_bdev+0x3f1/0x610 [ 282.831672][ T6509] ? gfs2_reconfigure+0xcd0/0xcd0 [ 282.836737][ T6509] gfs2_get_tree+0x4d/0x1e0 [ 282.841279][ T6509] vfs_get_tree+0x88/0x270 [ 282.845732][ T6509] do_new_mount+0x24a/0xa40 [ 282.850308][ T6509] __se_sys_mount+0x2d6/0x3c0 [ 282.855021][ T6509] ? __x64_sys_mount+0xc0/0xc0 [ 282.859821][ T6509] ? lockdep_hardirqs_on+0x94/0x140 [ 282.865050][ T6509] ? __x64_sys_mount+0x1c/0xc0 [ 282.869863][ T6509] do_syscall_64+0x4c/0xa0 [ 282.874315][ T6509] ? clear_bhb_loop+0x30/0x80 [ 282.879021][ T6509] ? clear_bhb_loop+0x30/0x80 [ 282.883731][ T6509] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 282.889670][ T6509] RIP: 0033:0x7f12cf2f590a [ 282.894262][ T6509] 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 [ 282.914064][ T6509] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 282.922705][ T6509] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 282.930798][ T6509] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 282.938809][ T6509] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 282.946817][ T6509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 282.954813][ T6509] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 282.962824][ T6509] [ 282.967276][ T6509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 282.980613][ T6509] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 282.990709][ T6507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 282.998306][ T6513] loop0: detected capacity change from 0 to 32768 [ 283.005286][ T6511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 283.005578][ T6507] CPU: 1 PID: 6507 Comm: syz.5.352 Not tainted 5.15.185-syzkaller #0 [ 283.005600][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 283.005613][ T6507] Call Trace: [ 283.005620][ T6507] [ 283.037941][ T6507] dump_stack_lvl+0x168/0x230 [ 283.042643][ T6507] ? show_regs_print_info+0x20/0x20 [ 283.047853][ T6507] ? load_image+0x3b0/0x3b0 [ 283.052386][ T6507] sysfs_create_dir_ns+0x252/0x280 [ 283.057519][ T6507] ? __lock_acquire+0x7c60/0x7c60 [ 283.062556][ T6507] ? sysfs_warn_dup+0xa0/0xa0 [ 283.067294][ T6507] ? do_raw_spin_unlock+0x11d/0x230 [ 283.072506][ T6507] kobject_add_internal+0x662/0xd00 [ 283.077758][ T6507] kobject_init_and_add+0x122/0x190 [ 283.082965][ T6507] ? lockdep_softirqs_off+0x420/0x420 [ 283.088354][ T6507] ? kobject_add+0x210/0x210 [ 283.092962][ T6507] ? __init_swait_queue_head+0xa5/0x150 [ 283.098521][ T6507] gfs2_sys_fs_add+0x234/0x480 [ 283.103498][ T6507] ? gfs2_recover_set+0x240/0x240 [ 283.108563][ T6507] ? snprintf+0xd7/0x120 [ 283.112829][ T6507] ? __free_pages+0x95/0x1a0 [ 283.117525][ T6507] ? vscnprintf+0x80/0x80 [ 283.122058][ T6507] gfs2_fill_super+0x128d/0x1f50 [ 283.127036][ T6507] ? gfs2_reconfigure+0xcd0/0xcd0 [ 283.132098][ T6507] ? preempt_count_add+0x8d/0x190 [ 283.137162][ T6507] ? sb_set_blocksize+0xa5/0xe0 [ 283.142042][ T6507] get_tree_bdev+0x3f1/0x610 [ 283.146766][ T6507] ? gfs2_reconfigure+0xcd0/0xcd0 [ 283.151830][ T6507] gfs2_get_tree+0x4d/0x1e0 [ 283.156386][ T6507] vfs_get_tree+0x88/0x270 [ 283.160821][ T6507] do_new_mount+0x24a/0xa40 [ 283.165345][ T6507] __se_sys_mount+0x2d6/0x3c0 [ 283.170036][ T6507] ? __x64_sys_mount+0xc0/0xc0 [ 283.174814][ T6507] ? lockdep_hardirqs_on+0x94/0x140 [ 283.180024][ T6507] ? __x64_sys_mount+0x1c/0xc0 [ 283.184803][ T6507] do_syscall_64+0x4c/0xa0 [ 283.189231][ T6507] ? clear_bhb_loop+0x30/0x80 [ 283.193915][ T6507] ? clear_bhb_loop+0x30/0x80 [ 283.198604][ T6507] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 283.204535][ T6507] RIP: 0033:0x7ff299b6c90a [ 283.208978][ T6507] 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 [ 283.228822][ T6507] RSP: 002b:00007ff298ddbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 283.237285][ T6507] RAX: ffffffffffffffda RBX: 00007ff298ddbef0 RCX: 00007ff299b6c90a [ 283.245804][ T6507] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff298ddbeb0 [ 283.253808][ T6507] RBP: 0000200000000400 R08: 00007ff298ddbef0 R09: 0000000000000000 [ 283.261836][ T6507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 283.269862][ T6507] R13: 00007ff298ddbeb0 R14: 00000000000125bb R15: 00002000000004c0 [ 283.278039][ T6507] [ 283.281161][ T6511] CPU: 0 PID: 6511 Comm: syz.1.355 Not tainted 5.15.185-syzkaller #0 [ 283.282680][ T6507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 283.289348][ T6511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 283.289363][ T6511] Call Trace: [ 283.289371][ T6511] [ 283.289380][ T6511] dump_stack_lvl+0x168/0x230 [ 283.289414][ T6511] ? show_regs_print_info+0x20/0x20 [ 283.289435][ T6511] ? load_image+0x3b0/0x3b0 [ 283.289468][ T6511] sysfs_create_dir_ns+0x252/0x280 [ 283.289491][ T6511] ? __lock_acquire+0x7c60/0x7c60 [ 283.289517][ T6511] ? sysfs_warn_dup+0xa0/0xa0 [ 283.289541][ T6511] ? do_raw_spin_unlock+0x11d/0x230 [ 283.289566][ T6511] kobject_add_internal+0x662/0xd00 [ 283.289596][ T6511] kobject_init_and_add+0x122/0x190 [ 283.289619][ T6511] ? lockdep_softirqs_off+0x420/0x420 [ 283.289647][ T6511] ? kobject_add+0x210/0x210 [ 283.289675][ T6511] ? __init_swait_queue_head+0xa5/0x150 [ 283.289704][ T6511] gfs2_sys_fs_add+0x234/0x480 [ 283.289730][ T6511] ? gfs2_recover_set+0x240/0x240 [ 283.289759][ T6511] ? snprintf+0xd7/0x120 [ 283.289779][ T6511] ? __free_pages+0x95/0x1a0 [ 283.289806][ T6511] ? vscnprintf+0x80/0x80 [ 283.289839][ T6511] gfs2_fill_super+0x128d/0x1f50 [ 283.289879][ T6511] ? gfs2_reconfigure+0xcd0/0xcd0 [ 283.289907][ T6511] ? preempt_count_add+0x8d/0x190 [ 283.289943][ T6511] ? sb_set_blocksize+0xa5/0xe0 [ 283.289966][ T6511] get_tree_bdev+0x3f1/0x610 [ 283.289992][ T6511] ? gfs2_reconfigure+0xcd0/0xcd0 [ 283.290018][ T6511] gfs2_get_tree+0x4d/0x1e0 [ 283.290045][ T6511] vfs_get_tree+0x88/0x270 [ 283.290071][ T6511] do_new_mount+0x24a/0xa40 [ 283.290103][ T6511] __se_sys_mount+0x2d6/0x3c0 [ 283.290131][ T6511] ? __x64_sys_mount+0xc0/0xc0 [ 283.303300][ T6507] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 283.313333][ T6511] ? lockdep_hardirqs_on+0x94/0x140 [ 283.313360][ T6511] ? __x64_sys_mount+0x1c/0xc0 [ 283.472897][ T6511] do_syscall_64+0x4c/0xa0 [ 283.477368][ T6511] ? clear_bhb_loop+0x30/0x80 [ 283.482098][ T6511] ? clear_bhb_loop+0x30/0x80 [ 283.486825][ T6511] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 283.492769][ T6511] RIP: 0033:0x7ff2fd45190a [ 283.497217][ T6511] 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 [ 283.516859][ T6511] RSP: 002b:00007ff2fc6c0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 283.525432][ T6511] RAX: ffffffffffffffda RBX: 00007ff2fc6c0ef0 RCX: 00007ff2fd45190a [ 283.533541][ T6511] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff2fc6c0eb0 [ 283.541640][ T6511] RBP: 0000200000000400 R08: 00007ff2fc6c0ef0 R09: 0000000000000000 [ 283.549648][ T6511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 283.557669][ T6511] R13: 00007ff2fc6c0eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 283.566124][ T6511] [ 283.570660][ T6511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 283.584128][ T6511] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 283.600570][ T6513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 283.608364][ T6513] CPU: 0 PID: 6513 Comm: syz.0.356 Not tainted 5.15.185-syzkaller #0 [ 283.616559][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 283.626819][ T6513] Call Trace: [ 283.630218][ T6513] [ 283.633272][ T6513] dump_stack_lvl+0x168/0x230 [ 283.638214][ T6513] ? show_regs_print_info+0x20/0x20 [ 283.643641][ T6513] ? load_image+0x3b0/0x3b0 [ 283.648196][ T6513] sysfs_create_dir_ns+0x252/0x280 [ 283.653583][ T6513] ? __lock_acquire+0x7c60/0x7c60 [ 283.659041][ T6513] ? sysfs_warn_dup+0xa0/0xa0 [ 283.663901][ T6513] ? do_raw_spin_unlock+0x11d/0x230 [ 283.669142][ T6513] kobject_add_internal+0x662/0xd00 [ 283.674396][ T6513] kobject_init_and_add+0x122/0x190 [ 283.679764][ T6513] ? lockdep_softirqs_off+0x420/0x420 [ 283.685193][ T6513] ? kobject_add+0x210/0x210 [ 283.689838][ T6513] ? __init_swait_queue_head+0xa5/0x150 [ 283.695609][ T6513] gfs2_sys_fs_add+0x234/0x480 [ 283.700419][ T6513] ? gfs2_recover_set+0x240/0x240 [ 283.705478][ T6513] ? snprintf+0xd7/0x120 [ 283.709758][ T6513] ? __free_pages+0x95/0x1a0 [ 283.715800][ T6513] ? vscnprintf+0x80/0x80 [ 283.720773][ T6513] gfs2_fill_super+0x128d/0x1f50 [ 283.727008][ T6513] ? gfs2_reconfigure+0xcd0/0xcd0 [ 283.732176][ T6513] ? preempt_count_add+0x8d/0x190 [ 283.737248][ T6513] ? sb_set_blocksize+0xa5/0xe0 [ 283.742130][ T6513] get_tree_bdev+0x3f1/0x610 [ 283.746858][ T6513] ? gfs2_reconfigure+0xcd0/0xcd0 [ 283.751917][ T6513] gfs2_get_tree+0x4d/0x1e0 [ 283.756475][ T6513] vfs_get_tree+0x88/0x270 [ 283.761013][ T6513] do_new_mount+0x24a/0xa40 [ 283.765549][ T6513] __se_sys_mount+0x2d6/0x3c0 [ 283.770345][ T6513] ? __x64_sys_mount+0xc0/0xc0 [ 283.775143][ T6513] ? lockdep_hardirqs_on+0x94/0x140 [ 283.780368][ T6513] ? __x64_sys_mount+0x1c/0xc0 [ 283.785178][ T6513] do_syscall_64+0x4c/0xa0 [ 283.789629][ T6513] ? clear_bhb_loop+0x30/0x80 [ 283.794344][ T6513] ? clear_bhb_loop+0x30/0x80 [ 283.799233][ T6513] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 283.805156][ T6513] RIP: 0033:0x7f051421690a [ 283.809604][ T6513] 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 [ 283.822968][ T6515] loop3: detected capacity change from 0 to 32768 [ 283.829240][ T6513] RSP: 002b:00007f0513485e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 283.829266][ T6513] RAX: ffffffffffffffda RBX: 00007f0513485ef0 RCX: 00007f051421690a [ 283.829282][ T6513] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0513485eb0 [ 283.860377][ T6513] RBP: 0000200000000400 R08: 00007f0513485ef0 R09: 0000000000000000 [ 283.868498][ T6513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 283.876499][ T6513] R13: 00007f0513485eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 283.884522][ T6513] [ 283.888588][ T6513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 283.901983][ T6513] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 283.965724][ T6515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 283.973162][ T6515] CPU: 1 PID: 6515 Comm: syz.3.357 Not tainted 5.15.185-syzkaller #0 [ 283.981350][ T6515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 283.991702][ T6515] Call Trace: [ 283.995010][ T6515] [ 283.997962][ T6515] dump_stack_lvl+0x168/0x230 [ 284.002682][ T6515] ? show_regs_print_info+0x20/0x20 [ 284.007901][ T6515] ? load_image+0x3b0/0x3b0 [ 284.012442][ T6515] sysfs_create_dir_ns+0x252/0x280 [ 284.017583][ T6515] ? __lock_acquire+0x7c60/0x7c60 [ 284.022722][ T6515] ? sysfs_warn_dup+0xa0/0xa0 [ 284.027426][ T6515] ? do_raw_spin_unlock+0x11d/0x230 [ 284.032658][ T6515] kobject_add_internal+0x662/0xd00 [ 284.037889][ T6515] kobject_init_and_add+0x122/0x190 [ 284.043124][ T6515] ? lockdep_softirqs_off+0x420/0x420 [ 284.048524][ T6515] ? kobject_add+0x210/0x210 [ 284.053251][ T6515] ? __init_swait_queue_head+0xa5/0x150 [ 284.058940][ T6515] gfs2_sys_fs_add+0x234/0x480 [ 284.063759][ T6515] ? gfs2_recover_set+0x240/0x240 [ 284.068921][ T6515] ? snprintf+0xd7/0x120 [ 284.073207][ T6515] ? __free_pages+0x95/0x1a0 [ 284.077835][ T6515] ? vscnprintf+0x80/0x80 [ 284.082211][ T6515] gfs2_fill_super+0x128d/0x1f50 [ 284.087216][ T6515] ? gfs2_reconfigure+0xcd0/0xcd0 [ 284.092286][ T6515] ? preempt_count_add+0x8d/0x190 [ 284.097374][ T6515] ? sb_set_blocksize+0xa5/0xe0 [ 284.102286][ T6515] get_tree_bdev+0x3f1/0x610 [ 284.106919][ T6515] ? gfs2_reconfigure+0xcd0/0xcd0 [ 284.111987][ T6515] gfs2_get_tree+0x4d/0x1e0 [ 284.116540][ T6515] vfs_get_tree+0x88/0x270 [ 284.121196][ T6515] do_new_mount+0x24a/0xa40 [ 284.125744][ T6515] __se_sys_mount+0x2d6/0x3c0 [ 284.130569][ T6515] ? __x64_sys_mount+0xc0/0xc0 [ 284.135386][ T6515] ? lockdep_hardirqs_on+0x94/0x140 [ 284.140711][ T6515] ? __x64_sys_mount+0x1c/0xc0 [ 284.145621][ T6515] do_syscall_64+0x4c/0xa0 [ 284.150074][ T6515] ? clear_bhb_loop+0x30/0x80 [ 284.154782][ T6515] ? clear_bhb_loop+0x30/0x80 [ 284.159763][ T6515] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 284.165704][ T6515] RIP: 0033:0x7ff19e71090a [ 284.170149][ T6515] 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 [ 284.190368][ T6515] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 284.198996][ T6515] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 284.207044][ T6515] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 [ 284.215274][ T6515] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 284.223281][ T6515] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 284.231287][ T6515] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 284.239310][ T6515] [ 284.243452][ T6515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 284.257771][ T6515] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/06/24 21:36:51 executed programs: 353 [ 284.425728][ T6518] loop5: detected capacity change from 0 to 32768 [ 284.687939][ T6519] loop2: detected capacity change from 0 to 32768 [ 284.728714][ T6518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 284.736211][ T6518] CPU: 1 PID: 6518 Comm: syz.5.359 Not tainted 5.15.185-syzkaller #0 [ 284.744320][ T6518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 284.754407][ T6518] Call Trace: [ 284.757712][ T6518] [ 284.760658][ T6518] dump_stack_lvl+0x168/0x230 [ 284.765364][ T6518] ? show_regs_print_info+0x20/0x20 [ 284.770673][ T6518] ? load_image+0x3b0/0x3b0 [ 284.775207][ T6518] sysfs_create_dir_ns+0x252/0x280 [ 284.780488][ T6518] ? __lock_acquire+0x7c60/0x7c60 [ 284.785561][ T6518] ? sysfs_warn_dup+0xa0/0xa0 [ 284.790272][ T6518] ? do_raw_spin_unlock+0x11d/0x230 [ 284.795513][ T6518] kobject_add_internal+0x662/0xd00 [ 284.800763][ T6518] kobject_init_and_add+0x122/0x190 [ 284.806001][ T6518] ? lockdep_softirqs_off+0x420/0x420 [ 284.811503][ T6518] ? kobject_add+0x210/0x210 [ 284.816141][ T6518] ? __init_swait_queue_head+0xa5/0x150 [ 284.821933][ T6518] gfs2_sys_fs_add+0x234/0x480 [ 284.826748][ T6518] ? gfs2_recover_set+0x240/0x240 [ 284.831895][ T6518] ? snprintf+0xd7/0x120 [ 284.836427][ T6518] ? __free_pages+0x95/0x1a0 [ 284.841147][ T6518] ? vscnprintf+0x80/0x80 [ 284.845518][ T6518] gfs2_fill_super+0x128d/0x1f50 [ 284.850605][ T6518] ? gfs2_reconfigure+0xcd0/0xcd0 [ 284.855667][ T6518] ? preempt_count_add+0x8d/0x190 [ 284.860739][ T6518] ? sb_set_blocksize+0xa5/0xe0 [ 284.865620][ T6518] get_tree_bdev+0x3f1/0x610 [ 284.870246][ T6518] ? gfs2_reconfigure+0xcd0/0xcd0 [ 284.875325][ T6518] gfs2_get_tree+0x4d/0x1e0 [ 284.879970][ T6518] vfs_get_tree+0x88/0x270 [ 284.884421][ T6518] do_new_mount+0x24a/0xa40 [ 284.889134][ T6518] __se_sys_mount+0x2d6/0x3c0 [ 284.893853][ T6518] ? __x64_sys_mount+0xc0/0xc0 [ 284.898737][ T6518] ? lockdep_hardirqs_on+0x94/0x140 [ 284.903959][ T6518] ? __x64_sys_mount+0x1c/0xc0 [ 284.908751][ T6518] do_syscall_64+0x4c/0xa0 [ 284.913200][ T6518] ? clear_bhb_loop+0x30/0x80 [ 284.918012][ T6518] ? clear_bhb_loop+0x30/0x80 [ 284.922733][ T6518] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 284.928844][ T6518] RIP: 0033:0x7ff299b6c90a [ 284.933300][ T6518] 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 [ 284.953212][ T6518] RSP: 002b:00007ff298ddbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 284.961673][ T6518] RAX: ffffffffffffffda RBX: 00007ff298ddbef0 RCX: 00007ff299b6c90a [ 284.969676][ T6518] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff298ddbeb0 [ 284.977678][ T6518] RBP: 0000200000000400 R08: 00007ff298ddbef0 R09: 0000000000000000 [ 284.981919][ T6524] loop0: detected capacity change from 0 to 32768 [ 284.985673][ T6518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 284.985690][ T6518] R13: 00007ff298ddbeb0 R14: 00000000000125bb R15: 00002000000004c0 [ 284.985719][ T6518] [ 284.987427][ T6518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 285.025333][ T6518] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 285.037637][ T6519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 285.045057][ T6519] CPU: 1 PID: 6519 Comm: syz.2.358 Not tainted 5.15.185-syzkaller #0 [ 285.053151][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 285.063242][ T6519] Call Trace: [ 285.066547][ T6519] [ 285.069500][ T6519] dump_stack_lvl+0x168/0x230 [ 285.074219][ T6519] ? show_regs_print_info+0x20/0x20 [ 285.079454][ T6519] ? load_image+0x3b0/0x3b0 [ 285.084003][ T6519] sysfs_create_dir_ns+0x252/0x280 [ 285.089227][ T6519] ? __lock_acquire+0x7c60/0x7c60 [ 285.094327][ T6519] ? sysfs_warn_dup+0xa0/0xa0 [ 285.099057][ T6519] ? do_raw_spin_unlock+0x11d/0x230 [ 285.104308][ T6519] kobject_add_internal+0x662/0xd00 [ 285.109554][ T6519] kobject_init_and_add+0x122/0x190 [ 285.114798][ T6519] ? lockdep_softirqs_off+0x420/0x420 [ 285.120304][ T6519] ? kobject_add+0x210/0x210 [ 285.125412][ T6519] ? __init_swait_queue_head+0xa5/0x150 [ 285.131019][ T6519] gfs2_sys_fs_add+0x234/0x480 [ 285.135826][ T6519] ? gfs2_recover_set+0x240/0x240 [ 285.140894][ T6519] ? snprintf+0xd7/0x120 [ 285.145170][ T6519] ? __free_pages+0x95/0x1a0 [ 285.147598][ T6524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 285.149813][ T6519] ? vscnprintf+0x80/0x80 [ 285.161527][ T6519] gfs2_fill_super+0x128d/0x1f50 [ 285.166576][ T6519] ? gfs2_reconfigure+0xcd0/0xcd0 [ 285.171614][ T6519] ? preempt_count_add+0x8d/0x190 [ 285.176783][ T6519] ? sb_set_blocksize+0xa5/0xe0 [ 285.181662][ T6519] get_tree_bdev+0x3f1/0x610 [ 285.186266][ T6519] ? gfs2_reconfigure+0xcd0/0xcd0 [ 285.191315][ T6519] gfs2_get_tree+0x4d/0x1e0 [ 285.195938][ T6519] vfs_get_tree+0x88/0x270 [ 285.200382][ T6519] do_new_mount+0x24a/0xa40 [ 285.204902][ T6519] __se_sys_mount+0x2d6/0x3c0 [ 285.209599][ T6519] ? __x64_sys_mount+0xc0/0xc0 [ 285.214380][ T6519] ? lockdep_hardirqs_on+0x94/0x140 [ 285.219585][ T6519] ? __x64_sys_mount+0x1c/0xc0 [ 285.224364][ T6519] do_syscall_64+0x4c/0xa0 [ 285.228784][ T6519] ? clear_bhb_loop+0x30/0x80 [ 285.233554][ T6519] ? clear_bhb_loop+0x30/0x80 [ 285.238244][ T6519] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 285.244153][ T6519] RIP: 0033:0x7f12cf2f590a [ 285.248583][ T6519] 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 [ 285.268295][ T6519] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 285.276980][ T6519] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 285.284967][ T6519] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 285.292948][ T6519] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 285.300931][ T6519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 285.308995][ T6519] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 285.316987][ T6519] [ 285.320030][ T6524] CPU: 0 PID: 6524 Comm: syz.0.361 Not tainted 5.15.185-syzkaller #0 [ 285.321112][ T6519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 285.328212][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 285.328227][ T6524] Call Trace: [ 285.328234][ T6524] [ 285.328243][ T6524] dump_stack_lvl+0x168/0x230 [ 285.328270][ T6524] ? show_regs_print_info+0x20/0x20 [ 285.328291][ T6524] ? load_image+0x3b0/0x3b0 [ 285.328324][ T6524] sysfs_create_dir_ns+0x252/0x280 [ 285.328347][ T6524] ? __lock_acquire+0x7c60/0x7c60 [ 285.328373][ T6524] ? sysfs_warn_dup+0xa0/0xa0 [ 285.328398][ T6524] ? do_raw_spin_unlock+0x11d/0x230 [ 285.328436][ T6524] kobject_add_internal+0x662/0xd00 [ 285.341563][ T6519] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 285.351602][ T6524] kobject_init_and_add+0x122/0x190 [ 285.409279][ T6524] ? lockdep_softirqs_off+0x420/0x420 [ 285.414697][ T6524] ? kobject_add+0x210/0x210 [ 285.419331][ T6524] ? __init_swait_queue_head+0xa5/0x150 [ 285.425111][ T6524] gfs2_sys_fs_add+0x234/0x480 [ 285.429915][ T6524] ? gfs2_recover_set+0x240/0x240 [ 285.434976][ T6524] ? snprintf+0xd7/0x120 [ 285.439246][ T6524] ? __free_pages+0x95/0x1a0 [ 285.443892][ T6524] ? vscnprintf+0x80/0x80 [ 285.448267][ T6524] gfs2_fill_super+0x128d/0x1f50 [ 285.453256][ T6524] ? gfs2_reconfigure+0xcd0/0xcd0 [ 285.458323][ T6524] ? preempt_count_add+0x8d/0x190 [ 285.463392][ T6524] ? sb_set_blocksize+0xa5/0xe0 [ 285.468283][ T6524] get_tree_bdev+0x3f1/0x610 [ 285.472912][ T6524] ? gfs2_reconfigure+0xcd0/0xcd0 [ 285.477975][ T6524] gfs2_get_tree+0x4d/0x1e0 [ 285.482513][ T6524] vfs_get_tree+0x88/0x270 [ 285.487149][ T6524] do_new_mount+0x24a/0xa40 [ 285.491691][ T6524] __se_sys_mount+0x2d6/0x3c0 [ 285.496414][ T6524] ? __x64_sys_mount+0xc0/0xc0 [ 285.501216][ T6524] ? lockdep_hardirqs_on+0x94/0x140 [ 285.506443][ T6524] ? __x64_sys_mount+0x1c/0xc0 [ 285.511254][ T6524] do_syscall_64+0x4c/0xa0 [ 285.515804][ T6524] ? clear_bhb_loop+0x30/0x80 [ 285.520516][ T6524] ? clear_bhb_loop+0x30/0x80 [ 285.525223][ T6524] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 285.531151][ T6524] RIP: 0033:0x7f051421690a [ 285.535590][ T6524] 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 [ 285.555213][ T6524] RSP: 002b:00007f0513485e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 285.563736][ T6524] RAX: ffffffffffffffda RBX: 00007f0513485ef0 RCX: 00007f051421690a [ 285.571736][ T6524] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0513485eb0 [ 285.579824][ T6524] RBP: 0000200000000400 R08: 00007f0513485ef0 R09: 0000000000000000 [ 285.587835][ T6524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 285.595842][ T6524] R13: 00007f0513485eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 285.603865][ T6524] [ 285.608944][ T6524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 285.622260][ T6524] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 285.742196][ T6526] loop3: detected capacity change from 0 to 32768 [ 286.202409][ T6528] loop2: detected capacity change from 0 to 32768 [ 286.271895][ T6526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 286.279451][ T6526] CPU: 0 PID: 6526 Comm: syz.3.362 Not tainted 5.15.185-syzkaller #0 [ 286.287655][ T6526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 286.297733][ T6526] Call Trace: [ 286.301041][ T6526] [ 286.304003][ T6526] dump_stack_lvl+0x168/0x230 [ 286.308717][ T6526] ? show_regs_print_info+0x20/0x20 [ 286.310916][ T6530] loop0: detected capacity change from 0 to 32768 [ 286.313942][ T6526] ? load_image+0x3b0/0x3b0 [ 286.324947][ T6526] sysfs_create_dir_ns+0x252/0x280 [ 286.330105][ T6526] ? __lock_acquire+0x7c60/0x7c60 [ 286.335166][ T6526] ? sysfs_warn_dup+0xa0/0xa0 [ 286.340052][ T6526] ? do_raw_spin_unlock+0x11d/0x230 [ 286.345287][ T6526] kobject_add_internal+0x662/0xd00 [ 286.350528][ T6526] kobject_init_and_add+0x122/0x190 [ 286.355847][ T6526] ? lockdep_softirqs_off+0x420/0x420 [ 286.361258][ T6526] ? kobject_add+0x210/0x210 [ 286.365877][ T6526] ? __init_swait_queue_head+0xa5/0x150 [ 286.371459][ T6526] gfs2_sys_fs_add+0x234/0x480 [ 286.376262][ T6526] ? gfs2_recover_set+0x240/0x240 [ 286.381321][ T6526] ? snprintf+0xd7/0x120 [ 286.385618][ T6526] ? __free_pages+0x95/0x1a0 [ 286.390241][ T6526] ? vscnprintf+0x80/0x80 [ 286.394615][ T6526] gfs2_fill_super+0x128d/0x1f50 [ 286.399603][ T6526] ? gfs2_reconfigure+0xcd0/0xcd0 [ 286.404674][ T6526] ? preempt_count_add+0x8d/0x190 [ 286.409758][ T6526] ? sb_set_blocksize+0xa5/0xe0 [ 286.414647][ T6526] get_tree_bdev+0x3f1/0x610 [ 286.419283][ T6526] ? gfs2_reconfigure+0xcd0/0xcd0 [ 286.424356][ T6526] gfs2_get_tree+0x4d/0x1e0 [ 286.428904][ T6526] vfs_get_tree+0x88/0x270 [ 286.433365][ T6526] do_new_mount+0x24a/0xa40 [ 286.437913][ T6526] __se_sys_mount+0x2d6/0x3c0 [ 286.442632][ T6526] ? __x64_sys_mount+0xc0/0xc0 [ 286.447431][ T6526] ? lockdep_hardirqs_on+0x94/0x140 [ 286.452661][ T6526] ? __x64_sys_mount+0x1c/0xc0 [ 286.457473][ T6526] do_syscall_64+0x4c/0xa0 [ 286.462298][ T6526] ? clear_bhb_loop+0x30/0x80 [ 286.467026][ T6526] ? clear_bhb_loop+0x30/0x80 [ 286.471741][ T6526] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.477676][ T6526] RIP: 0033:0x7ff19e71090a [ 286.482136][ T6526] 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 [ 286.501790][ T6526] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 286.510248][ T6526] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 286.518263][ T6526] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 [ 286.526278][ T6526] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 286.534377][ T6526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 286.542385][ T6526] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 286.550552][ T6526] [ 286.556131][ T6526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 286.569987][ T6526] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 286.590212][ T6530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 286.597769][ T6530] CPU: 1 PID: 6530 Comm: syz.0.364 Not tainted 5.15.185-syzkaller #0 [ 286.605872][ T6530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 286.615970][ T6530] Call Trace: [ 286.619279][ T6530] [ 286.622246][ T6530] dump_stack_lvl+0x168/0x230 [ 286.626955][ T6530] ? show_regs_print_info+0x20/0x20 [ 286.632367][ T6530] ? load_image+0x3b0/0x3b0 [ 286.636912][ T6530] sysfs_create_dir_ns+0x252/0x280 [ 286.642047][ T6530] ? __lock_acquire+0x7c60/0x7c60 [ 286.647193][ T6530] ? sysfs_warn_dup+0xa0/0xa0 [ 286.651993][ T6530] ? do_raw_spin_unlock+0x11d/0x230 [ 286.657225][ T6530] kobject_add_internal+0x662/0xd00 [ 286.661667][ T6528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 286.662460][ T6530] kobject_init_and_add+0x122/0x190 [ 286.675159][ T6530] ? lockdep_softirqs_off+0x420/0x420 [ 286.680558][ T6530] ? kobject_add+0x210/0x210 [ 286.685437][ T6530] ? __init_swait_queue_head+0xa5/0x150 [ 286.691086][ T6530] gfs2_sys_fs_add+0x234/0x480 [ 286.696041][ T6530] ? gfs2_recover_set+0x240/0x240 [ 286.701072][ T6530] ? snprintf+0xd7/0x120 [ 286.705321][ T6530] ? __free_pages+0x95/0x1a0 [ 286.710199][ T6530] ? vscnprintf+0x80/0x80 [ 286.714642][ T6530] gfs2_fill_super+0x128d/0x1f50 [ 286.719606][ T6530] ? gfs2_reconfigure+0xcd0/0xcd0 [ 286.724644][ T6530] ? preempt_count_add+0x8d/0x190 [ 286.729707][ T6530] ? sb_set_blocksize+0xa5/0xe0 [ 286.734645][ T6530] get_tree_bdev+0x3f1/0x610 [ 286.739276][ T6530] ? gfs2_reconfigure+0xcd0/0xcd0 [ 286.744424][ T6530] gfs2_get_tree+0x4d/0x1e0 [ 286.748957][ T6530] vfs_get_tree+0x88/0x270 [ 286.753482][ T6530] do_new_mount+0x24a/0xa40 [ 286.758020][ T6530] __se_sys_mount+0x2d6/0x3c0 [ 286.762719][ T6530] ? __x64_sys_mount+0xc0/0xc0 [ 286.767503][ T6530] ? lockdep_hardirqs_on+0x94/0x140 [ 286.772715][ T6530] ? __x64_sys_mount+0x1c/0xc0 [ 286.777496][ T6530] do_syscall_64+0x4c/0xa0 [ 286.781924][ T6530] ? clear_bhb_loop+0x30/0x80 [ 286.786617][ T6530] ? clear_bhb_loop+0x30/0x80 [ 286.791308][ T6530] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.797222][ T6530] RIP: 0033:0x7f051421690a [ 286.801657][ T6530] 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 [ 286.821601][ T6530] RSP: 002b:00007f0513485e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 286.830125][ T6530] RAX: ffffffffffffffda RBX: 00007f0513485ef0 RCX: 00007f051421690a [ 286.838293][ T6530] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0513485eb0 [ 286.846294][ T6530] RBP: 0000200000000400 R08: 00007f0513485ef0 R09: 0000000000000000 [ 286.854473][ T6530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 286.862486][ T6530] R13: 00007f0513485eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 286.871007][ T6530] [ 286.874039][ T6528] CPU: 0 PID: 6528 Comm: syz.2.363 Not tainted 5.15.185-syzkaller #0 [ 286.876067][ T6530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 286.882141][ T6528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 286.895552][ T6530] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 286.905662][ T6528] Call Trace: [ 286.905673][ T6528] [ 286.905684][ T6528] dump_stack_lvl+0x168/0x230 [ 286.923098][ T6528] ? show_regs_print_info+0x20/0x20 [ 286.928422][ T6528] ? load_image+0x3b0/0x3b0 [ 286.934120][ T6528] sysfs_create_dir_ns+0x252/0x280 [ 286.936878][ T6521] loop1: detected capacity change from 0 to 32768 [ 286.939258][ T6528] ? __lock_acquire+0x7c60/0x7c60 [ 286.950809][ T6528] ? sysfs_warn_dup+0xa0/0xa0 [ 286.955523][ T6528] ? do_raw_spin_unlock+0x11d/0x230 [ 286.960861][ T6528] kobject_add_internal+0x662/0xd00 [ 286.966114][ T6528] kobject_init_and_add+0x122/0x190 [ 286.971450][ T6528] ? lockdep_softirqs_off+0x420/0x420 [ 286.977084][ T6528] ? kobject_add+0x210/0x210 [ 286.981930][ T6528] ? __init_swait_queue_head+0xa5/0x150 [ 286.987628][ T6528] gfs2_sys_fs_add+0x234/0x480 [ 286.992433][ T6528] ? gfs2_recover_set+0x240/0x240 [ 286.997495][ T6528] ? snprintf+0xd7/0x120 [ 287.001769][ T6528] ? __free_pages+0x95/0x1a0 [ 287.006397][ T6528] ? vscnprintf+0x80/0x80 [ 287.010955][ T6528] gfs2_fill_super+0x128d/0x1f50 [ 287.015948][ T6528] ? gfs2_reconfigure+0xcd0/0xcd0 [ 287.021107][ T6528] ? preempt_count_add+0x8d/0x190 [ 287.026188][ T6528] ? sb_set_blocksize+0xa5/0xe0 [ 287.031083][ T6528] get_tree_bdev+0x3f1/0x610 [ 287.035710][ T6528] ? gfs2_reconfigure+0xcd0/0xcd0 [ 287.040783][ T6528] gfs2_get_tree+0x4d/0x1e0 [ 287.045422][ T6528] vfs_get_tree+0x88/0x270 [ 287.049878][ T6528] do_new_mount+0x24a/0xa40 [ 287.054606][ T6528] __se_sys_mount+0x2d6/0x3c0 [ 287.059325][ T6528] ? __x64_sys_mount+0xc0/0xc0 [ 287.064131][ T6528] ? lockdep_hardirqs_on+0x94/0x140 [ 287.069450][ T6528] ? __x64_sys_mount+0x1c/0xc0 [ 287.074269][ T6528] do_syscall_64+0x4c/0xa0 [ 287.078724][ T6528] ? clear_bhb_loop+0x30/0x80 [ 287.083431][ T6528] ? clear_bhb_loop+0x30/0x80 [ 287.088162][ T6528] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 287.094100][ T6528] RIP: 0033:0x7f12cf2f590a [ 287.098556][ T6528] 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 [ 287.118284][ T6528] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 287.126741][ T6528] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 287.134842][ T6528] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 287.142847][ T6528] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 287.150859][ T6528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 287.158952][ T6528] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 287.166974][ T6528] [ 287.170954][ T6528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 287.184526][ T6528] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 287.225364][ T6521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 287.243556][ T6521] CPU: 1 PID: 6521 Comm: syz.1.360 Not tainted 5.15.185-syzkaller #0 [ 287.251680][ T6521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 287.261759][ T6521] Call Trace: [ 287.265230][ T6521] [ 287.268209][ T6521] dump_stack_lvl+0x168/0x230 [ 287.272931][ T6521] ? show_regs_print_info+0x20/0x20 [ 287.278189][ T6521] ? load_image+0x3b0/0x3b0 [ 287.282747][ T6521] sysfs_create_dir_ns+0x252/0x280 [ 287.287998][ T6521] ? __lock_acquire+0x7c60/0x7c60 [ 287.293061][ T6521] ? sysfs_warn_dup+0xa0/0xa0 [ 287.297771][ T6521] ? do_raw_spin_unlock+0x11d/0x230 [ 287.303434][ T6521] kobject_add_internal+0x662/0xd00 [ 287.308666][ T6521] kobject_init_and_add+0x122/0x190 [ 287.313997][ T6521] ? lockdep_softirqs_off+0x420/0x420 [ 287.319403][ T6521] ? kobject_add+0x210/0x210 [ 287.324199][ T6521] ? __init_swait_queue_head+0xa5/0x150 [ 287.329918][ T6521] gfs2_sys_fs_add+0x234/0x480 [ 287.335028][ T6521] ? gfs2_recover_set+0x240/0x240 [ 287.340091][ T6521] ? snprintf+0xd7/0x120 [ 287.344413][ T6521] ? __free_pages+0x95/0x1a0 [ 287.348965][ T6532] loop5: detected capacity change from 0 to 32768 [ 287.349033][ T6521] ? vscnprintf+0x80/0x80 [ 287.360160][ T6521] gfs2_fill_super+0x128d/0x1f50 [ 287.365153][ T6521] ? gfs2_reconfigure+0xcd0/0xcd0 [ 287.370494][ T6521] ? preempt_count_add+0x8d/0x190 [ 287.375654][ T6521] ? sb_set_blocksize+0xa5/0xe0 [ 287.380552][ T6521] get_tree_bdev+0x3f1/0x610 [ 287.385288][ T6521] ? gfs2_reconfigure+0xcd0/0xcd0 [ 287.390352][ T6521] gfs2_get_tree+0x4d/0x1e0 [ 287.394913][ T6521] vfs_get_tree+0x88/0x270 [ 287.399371][ T6521] do_new_mount+0x24a/0xa40 [ 287.403936][ T6521] __se_sys_mount+0x2d6/0x3c0 [ 287.408656][ T6521] ? __x64_sys_mount+0xc0/0xc0 [ 287.413475][ T6521] ? lockdep_hardirqs_on+0x94/0x140 [ 287.418710][ T6521] ? __x64_sys_mount+0x1c/0xc0 [ 287.423524][ T6521] do_syscall_64+0x4c/0xa0 [ 287.428058][ T6521] ? clear_bhb_loop+0x30/0x80 [ 287.432769][ T6521] ? clear_bhb_loop+0x30/0x80 [ 287.437479][ T6521] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 287.443417][ T6521] RIP: 0033:0x7ff2fd45190a [ 287.447862][ T6521] 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 [ 287.467794][ T6521] RSP: 002b:00007ff2fc6c0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 287.476244][ T6521] RAX: ffffffffffffffda RBX: 00007ff2fc6c0ef0 RCX: 00007ff2fd45190a [ 287.484256][ T6521] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff2fc6c0eb0 [ 287.492349][ T6521] RBP: 0000200000000400 R08: 00007ff2fc6c0ef0 R09: 0000000000000000 [ 287.500357][ T6521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 287.508347][ T6521] R13: 00007ff2fc6c0eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 287.516351][ T6521] [ 287.698316][ T6535] loop3: detected capacity change from 0 to 32768 [ 287.708684][ T6521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 287.722806][ T6521] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 287.744007][ T6532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 287.769774][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 287.777406][ T6535] CPU: 0 PID: 6535 Comm: syz.3.366 Not tainted 5.15.185-syzkaller #0 [ 287.785680][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 287.795963][ T6535] Call Trace: [ 287.799266][ T6535] [ 287.802307][ T6535] dump_stack_lvl+0x168/0x230 [ 287.807102][ T6535] ? show_regs_print_info+0x20/0x20 [ 287.812679][ T6535] ? load_image+0x3b0/0x3b0 [ 287.817228][ T6535] sysfs_create_dir_ns+0x252/0x280 [ 287.822370][ T6535] ? __lock_acquire+0x7c60/0x7c60 [ 287.827429][ T6535] ? sysfs_warn_dup+0xa0/0xa0 [ 287.832146][ T6535] ? do_raw_spin_unlock+0x11d/0x230 [ 287.837726][ T6535] kobject_add_internal+0x662/0xd00 [ 287.842979][ T6535] kobject_init_and_add+0x122/0x190 [ 287.848469][ T6535] ? lockdep_softirqs_off+0x420/0x420 [ 287.854265][ T6535] ? kobject_add+0x210/0x210 [ 287.860002][ T6535] ? __init_swait_queue_head+0xa5/0x150 [ 287.865661][ T6535] gfs2_sys_fs_add+0x234/0x480 [ 287.870487][ T6535] ? gfs2_recover_set+0x240/0x240 [ 287.875546][ T6535] ? snprintf+0xd7/0x120 [ 287.879828][ T6535] ? __free_pages+0x95/0x1a0 [ 287.884491][ T6535] ? vscnprintf+0x80/0x80 [ 287.889059][ T6535] gfs2_fill_super+0x128d/0x1f50 [ 287.894375][ T6535] ? gfs2_reconfigure+0xcd0/0xcd0 [ 287.899446][ T6535] ? preempt_count_add+0x8d/0x190 [ 287.904533][ T6535] ? sb_set_blocksize+0xa5/0xe0 [ 287.909441][ T6535] get_tree_bdev+0x3f1/0x610 [ 287.914507][ T6535] ? gfs2_reconfigure+0xcd0/0xcd0 [ 287.919582][ T6535] gfs2_get_tree+0x4d/0x1e0 [ 287.924129][ T6535] vfs_get_tree+0x88/0x270 [ 287.928591][ T6535] do_new_mount+0x24a/0xa40 [ 287.933147][ T6535] __se_sys_mount+0x2d6/0x3c0 [ 287.937867][ T6535] ? __x64_sys_mount+0xc0/0xc0 [ 287.942680][ T6535] ? lockdep_hardirqs_on+0x94/0x140 [ 287.947916][ T6535] ? __x64_sys_mount+0x1c/0xc0 [ 287.952724][ T6535] do_syscall_64+0x4c/0xa0 [ 287.957171][ T6535] ? clear_bhb_loop+0x30/0x80 [ 287.961875][ T6535] ? clear_bhb_loop+0x30/0x80 [ 287.966633][ T6535] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 287.972936][ T6535] RIP: 0033:0x7ff19e71090a [ 287.977401][ T6535] 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 [ 287.997153][ T6535] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 288.005603][ T6535] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 288.013608][ T6535] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 [ 288.021609][ T6535] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 288.029608][ T6535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 288.037609][ T6535] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 288.045635][ T6535] [ 288.063159][ T6532] CPU: 0 PID: 6532 Comm: syz.5.365 Not tainted 5.15.185-syzkaller #0 [ 288.071287][ T6532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 288.081372][ T6532] Call Trace: [ 288.084681][ T6532] [ 288.087668][ T6532] dump_stack_lvl+0x168/0x230 [ 288.092485][ T6532] ? show_regs_print_info+0x20/0x20 [ 288.097716][ T6532] ? load_image+0x3b0/0x3b0 [ 288.097861][ T6537] loop0: detected capacity change from 0 to 32768 [ 288.102255][ T6532] sysfs_create_dir_ns+0x252/0x280 [ 288.113777][ T6532] ? __lock_acquire+0x7c60/0x7c60 [ 288.118849][ T6532] ? sysfs_warn_dup+0xa0/0xa0 [ 288.123579][ T6532] ? do_raw_spin_unlock+0x11d/0x230 [ 288.128826][ T6532] kobject_add_internal+0x662/0xd00 [ 288.134074][ T6532] kobject_init_and_add+0x122/0x190 [ 288.139333][ T6532] ? lockdep_softirqs_off+0x420/0x420 [ 288.144763][ T6532] ? kobject_add+0x210/0x210 [ 288.149431][ T6532] ? __init_swait_queue_head+0xa5/0x150 [ 288.155038][ T6532] gfs2_sys_fs_add+0x234/0x480 [ 288.159951][ T6532] ? gfs2_recover_set+0x240/0x240 [ 288.165102][ T6532] ? snprintf+0xd7/0x120 [ 288.169389][ T6532] ? __free_pages+0x95/0x1a0 [ 288.174025][ T6532] ? vscnprintf+0x80/0x80 [ 288.178573][ T6532] gfs2_fill_super+0x128d/0x1f50 [ 288.183558][ T6532] ? gfs2_reconfigure+0xcd0/0xcd0 [ 288.188630][ T6532] ? preempt_count_add+0x8d/0x190 [ 288.193709][ T6532] ? sb_set_blocksize+0xa5/0xe0 [ 288.198620][ T6532] get_tree_bdev+0x3f1/0x610 [ 288.203389][ T6532] ? gfs2_reconfigure+0xcd0/0xcd0 [ 288.208453][ T6532] gfs2_get_tree+0x4d/0x1e0 [ 288.213210][ T6532] vfs_get_tree+0x88/0x270 [ 288.217673][ T6532] do_new_mount+0x24a/0xa40 [ 288.222218][ T6532] __se_sys_mount+0x2d6/0x3c0 [ 288.226935][ T6532] ? __x64_sys_mount+0xc0/0xc0 [ 288.231827][ T6532] ? lockdep_hardirqs_on+0x94/0x140 [ 288.237071][ T6532] ? __x64_sys_mount+0x1c/0xc0 [ 288.241979][ T6532] do_syscall_64+0x4c/0xa0 [ 288.246428][ T6532] ? clear_bhb_loop+0x30/0x80 [ 288.251154][ T6532] ? clear_bhb_loop+0x30/0x80 [ 288.255915][ T6532] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 288.262147][ T6532] RIP: 0033:0x7ff299b6c90a [ 288.266602][ T6532] 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 [ 288.286786][ T6532] RSP: 002b:00007ff298ddbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 288.295411][ T6532] RAX: ffffffffffffffda RBX: 00007ff298ddbef0 RCX: 00007ff299b6c90a [ 288.303504][ T6532] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff298ddbeb0 [ 288.311502][ T6532] RBP: 0000200000000400 R08: 00007ff298ddbef0 R09: 0000000000000000 [ 288.319492][ T6532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 288.327483][ T6532] R13: 00007ff298ddbeb0 R14: 00000000000125bb R15: 00002000000004c0 [ 288.335490][ T6532] [ 288.339884][ T6535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 288.353836][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 288.378588][ T6537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 288.386431][ T6537] CPU: 0 PID: 6537 Comm: syz.0.367 Not tainted 5.15.185-syzkaller #0 [ 288.394535][ T6537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 288.404627][ T6537] Call Trace: [ 288.407945][ T6537] [ 288.410905][ T6537] dump_stack_lvl+0x168/0x230 [ 288.415651][ T6537] ? show_regs_print_info+0x20/0x20 [ 288.420888][ T6537] ? load_image+0x3b0/0x3b0 [ 288.425445][ T6537] sysfs_create_dir_ns+0x252/0x280 [ 288.430603][ T6537] ? __lock_acquire+0x7c60/0x7c60 [ 288.435665][ T6537] ? sysfs_warn_dup+0xa0/0xa0 [ 288.440373][ T6537] ? do_raw_spin_unlock+0x11d/0x230 [ 288.445688][ T6537] kobject_add_internal+0x662/0xd00 [ 288.450979][ T6537] kobject_init_and_add+0x122/0x190 [ 288.456304][ T6537] ? lockdep_softirqs_off+0x420/0x420 [ 288.461837][ T6537] ? kobject_add+0x210/0x210 [ 288.466484][ T6537] ? __init_swait_queue_head+0xa5/0x150 [ 288.472075][ T6537] gfs2_sys_fs_add+0x234/0x480 [ 288.476883][ T6537] ? gfs2_recover_set+0x240/0x240 [ 288.481939][ T6537] ? snprintf+0xd7/0x120 [ 288.486209][ T6537] ? __free_pages+0x95/0x1a0 [ 288.490835][ T6537] ? vscnprintf+0x80/0x80 [ 288.495212][ T6537] gfs2_fill_super+0x128d/0x1f50 [ 288.500213][ T6537] ? gfs2_reconfigure+0xcd0/0xcd0 [ 288.505277][ T6537] ? preempt_count_add+0x8d/0x190 [ 288.510343][ T6537] ? sb_set_blocksize+0xa5/0xe0 [ 288.515226][ T6537] get_tree_bdev+0x3f1/0x610 [ 288.519852][ T6537] ? gfs2_reconfigure+0xcd0/0xcd0 [ 288.525011][ T6537] gfs2_get_tree+0x4d/0x1e0 [ 288.529552][ T6537] vfs_get_tree+0x88/0x270 [ 288.530816][ T6539] loop2: detected capacity change from 0 to 32768 [ 288.534028][ T6537] do_new_mount+0x24a/0xa40 [ 288.542895][ T6532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 288.544952][ T6537] __se_sys_mount+0x2d6/0x3c0 [ 288.563130][ T6537] ? __x64_sys_mount+0xc0/0xc0 [ 288.568140][ T6537] ? lockdep_hardirqs_on+0x94/0x140 [ 288.573397][ T6537] ? __x64_sys_mount+0x1c/0xc0 [ 288.574443][ T6532] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 288.578204][ T6537] do_syscall_64+0x4c/0xa0 [ 288.578229][ T6537] ? clear_bhb_loop+0x30/0x80 [ 288.578248][ T6537] ? clear_bhb_loop+0x30/0x80 [ 288.578270][ T6537] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 288.604594][ T6537] RIP: 0033:0x7f051421690a [ 288.609920][ T6537] 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 [ 288.629552][ T6537] RSP: 002b:00007f0513485e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 288.637998][ T6537] RAX: ffffffffffffffda RBX: 00007f0513485ef0 RCX: 00007f051421690a [ 288.645987][ T6537] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0513485eb0 [ 288.654100][ T6537] RBP: 0000200000000400 R08: 00007f0513485ef0 R09: 0000000000000000 [ 288.662180][ T6537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 288.670485][ T6537] R13: 00007f0513485eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 288.678486][ T6537] [ 288.682476][ T6537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 288.695885][ T6537] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 288.718826][ T6539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 288.726759][ T6539] CPU: 1 PID: 6539 Comm: syz.2.368 Not tainted 5.15.185-syzkaller #0 [ 288.734882][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 288.744967][ T6539] Call Trace: [ 288.748268][ T6539] [ 288.751221][ T6539] dump_stack_lvl+0x168/0x230 [ 288.755936][ T6539] ? show_regs_print_info+0x20/0x20 [ 288.761190][ T6539] ? load_image+0x3b0/0x3b0 [ 288.765846][ T6539] sysfs_create_dir_ns+0x252/0x280 [ 288.771087][ T6539] ? __lock_acquire+0x7c60/0x7c60 [ 288.776149][ T6539] ? sysfs_warn_dup+0xa0/0xa0 [ 288.780868][ T6539] ? do_raw_spin_unlock+0x11d/0x230 [ 288.786112][ T6539] kobject_add_internal+0x662/0xd00 [ 288.791366][ T6539] kobject_init_and_add+0x122/0x190 [ 288.796869][ T6539] ? lockdep_softirqs_off+0x420/0x420 [ 288.802365][ T6539] ? kobject_add+0x210/0x210 [ 288.806987][ T6539] ? __init_swait_queue_head+0xa5/0x150 [ 288.812651][ T6539] gfs2_sys_fs_add+0x234/0x480 [ 288.817459][ T6539] ? gfs2_recover_set+0x240/0x240 [ 288.822545][ T6539] ? snprintf+0xd7/0x120 [ 288.826933][ T6539] ? __free_pages+0x95/0x1a0 [ 288.831631][ T6539] ? vscnprintf+0x80/0x80 [ 288.836005][ T6539] gfs2_fill_super+0x128d/0x1f50 [ 288.840999][ T6539] ? gfs2_reconfigure+0xcd0/0xcd0 [ 288.846069][ T6539] ? preempt_count_add+0x8d/0x190 [ 288.851146][ T6539] ? sb_set_blocksize+0xa5/0xe0 [ 288.856039][ T6539] get_tree_bdev+0x3f1/0x610 [ 288.860675][ T6539] ? gfs2_reconfigure+0xcd0/0xcd0 [ 288.865860][ T6539] gfs2_get_tree+0x4d/0x1e0 [ 288.870403][ T6539] vfs_get_tree+0x88/0x270 [ 288.874861][ T6539] do_new_mount+0x24a/0xa40 [ 288.879435][ T6539] __se_sys_mount+0x2d6/0x3c0 [ 288.884299][ T6539] ? __x64_sys_mount+0xc0/0xc0 [ 288.889116][ T6539] ? lockdep_hardirqs_on+0x94/0x140 [ 288.894345][ T6539] ? __x64_sys_mount+0x1c/0xc0 [ 288.899150][ T6539] do_syscall_64+0x4c/0xa0 [ 288.903600][ T6539] ? clear_bhb_loop+0x30/0x80 [ 288.908309][ T6539] ? clear_bhb_loop+0x30/0x80 [ 288.913021][ T6539] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 288.918972][ T6539] RIP: 0033:0x7f12cf2f590a [ 288.923434][ T6539] 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 [ 288.943504][ T6539] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 288.951963][ T6539] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 288.960071][ T6539] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 288.968085][ T6539] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 288.976200][ T6539] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 288.984570][ T6539] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 288.992601][ T6539] [ 288.996808][ T6539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 289.010212][ T6539] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 289.260694][ T6541] loop3: detected capacity change from 0 to 32768 [ 289.397214][ T6541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 289.404698][ T6541] CPU: 0 PID: 6541 Comm: syz.3.370 Not tainted 5.15.185-syzkaller #0 [ 289.413067][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 289.423350][ T6541] Call Trace: [ 289.426752][ T6541] [ 289.429709][ T6541] dump_stack_lvl+0x168/0x230 [ 289.434418][ T6541] ? show_regs_print_info+0x20/0x20 [ 289.439650][ T6541] ? load_image+0x3b0/0x3b0 [ 289.444284][ T6541] sysfs_create_dir_ns+0x252/0x280 [ 289.449427][ T6541] ? __lock_acquire+0x7c60/0x7c60 [ 289.454490][ T6541] ? sysfs_warn_dup+0xa0/0xa0 [ 289.459287][ T6541] ? do_raw_spin_unlock+0x11d/0x230 [ 289.464534][ T6541] kobject_add_internal+0x662/0xd00 [ 289.469777][ T6541] kobject_init_and_add+0x122/0x190 [ 289.475018][ T6541] ? lockdep_softirqs_off+0x420/0x420 [ 289.480437][ T6541] ? kobject_add+0x210/0x210 [ 289.485065][ T6541] ? __init_swait_queue_head+0xa5/0x150 [ 289.490736][ T6541] gfs2_sys_fs_add+0x234/0x480 [ 289.495537][ T6541] ? gfs2_recover_set+0x240/0x240 [ 289.500742][ T6541] ? snprintf+0xd7/0x120 [ 289.505036][ T6541] ? __free_pages+0x95/0x1a0 [ 289.509684][ T6541] ? vscnprintf+0x80/0x80 [ 289.514072][ T6541] gfs2_fill_super+0x128d/0x1f50 [ 289.519240][ T6541] ? gfs2_reconfigure+0xcd0/0xcd0 [ 289.524308][ T6541] ? preempt_count_add+0x8d/0x190 [ 289.529381][ T6541] ? sb_set_blocksize+0xa5/0xe0 [ 289.534269][ T6541] get_tree_bdev+0x3f1/0x610 [ 289.538891][ T6541] ? gfs2_reconfigure+0xcd0/0xcd0 [ 289.543945][ T6541] gfs2_get_tree+0x4d/0x1e0 [ 289.548484][ T6541] vfs_get_tree+0x88/0x270 [ 289.552926][ T6541] do_new_mount+0x24a/0xa40 [ 289.557551][ T6541] __se_sys_mount+0x2d6/0x3c0 [ 289.562268][ T6541] ? __x64_sys_mount+0xc0/0xc0 [ 289.567072][ T6541] ? lockdep_hardirqs_on+0x94/0x140 [ 289.572306][ T6541] ? __x64_sys_mount+0x1c/0xc0 [ 289.577120][ T6541] do_syscall_64+0x4c/0xa0 [ 289.581740][ T6541] ? clear_bhb_loop+0x30/0x80 [ 289.586459][ T6541] ? clear_bhb_loop+0x30/0x80 [ 289.591173][ T6541] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 289.597262][ T6541] RIP: 0033:0x7ff19e71090a [ 289.601717][ T6541] 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 [ 289.621926][ T6541] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 289.630466][ T6541] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 289.638931][ T6541] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 2025/06/24 21:36:56 executed programs: 366 [ 289.647198][ T6541] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 289.655395][ T6541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 289.663402][ T6541] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 289.671435][ T6541] [ 289.675661][ T6541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 289.690018][ T6541] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 289.754514][ T6546] loop1: detected capacity change from 0 to 32768 [ 290.077857][ T6549] loop2: detected capacity change from 0 to 32768 [ 290.086065][ T6550] loop5: detected capacity change from 0 to 32768 [ 290.143838][ T6546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 290.151392][ T6546] CPU: 1 PID: 6546 Comm: syz.1.369 Not tainted 5.15.185-syzkaller #0 [ 290.159502][ T6546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 290.170248][ T6546] Call Trace: [ 290.173636][ T6546] [ 290.176626][ T6546] dump_stack_lvl+0x168/0x230 [ 290.181349][ T6546] ? show_regs_print_info+0x20/0x20 [ 290.186590][ T6546] ? load_image+0x3b0/0x3b0 [ 290.190221][ T6549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 290.191139][ T6546] sysfs_create_dir_ns+0x252/0x280 [ 290.203628][ T6546] ? __lock_acquire+0x7c60/0x7c60 [ 290.208672][ T6546] ? sysfs_warn_dup+0xa0/0xa0 [ 290.213373][ T6546] ? do_raw_spin_unlock+0x11d/0x230 [ 290.218584][ T6546] kobject_add_internal+0x662/0xd00 [ 290.223797][ T6546] kobject_init_and_add+0x122/0x190 [ 290.229002][ T6546] ? lockdep_softirqs_off+0x420/0x420 [ 290.234391][ T6546] ? kobject_add+0x210/0x210 [ 290.239085][ T6546] ? __init_swait_queue_head+0xa5/0x150 [ 290.244769][ T6546] gfs2_sys_fs_add+0x234/0x480 [ 290.249579][ T6546] ? gfs2_recover_set+0x240/0x240 [ 290.254631][ T6546] ? snprintf+0xd7/0x120 [ 290.259161][ T6546] ? __free_pages+0x95/0x1a0 [ 290.263797][ T6546] ? vscnprintf+0x80/0x80 [ 290.268150][ T6546] gfs2_fill_super+0x128d/0x1f50 [ 290.273205][ T6546] ? gfs2_reconfigure+0xcd0/0xcd0 [ 290.278254][ T6546] ? preempt_count_add+0x8d/0x190 [ 290.283299][ T6546] ? sb_set_blocksize+0xa5/0xe0 [ 290.288164][ T6546] get_tree_bdev+0x3f1/0x610 [ 290.292818][ T6546] ? gfs2_reconfigure+0xcd0/0xcd0 [ 290.297860][ T6546] gfs2_get_tree+0x4d/0x1e0 [ 290.302469][ T6546] vfs_get_tree+0x88/0x270 [ 290.306898][ T6546] do_new_mount+0x24a/0xa40 [ 290.311426][ T6546] __se_sys_mount+0x2d6/0x3c0 [ 290.316135][ T6546] ? __x64_sys_mount+0xc0/0xc0 [ 290.320916][ T6546] ? lockdep_hardirqs_on+0x94/0x140 [ 290.326555][ T6546] ? __x64_sys_mount+0x1c/0xc0 [ 290.331328][ T6546] do_syscall_64+0x4c/0xa0 [ 290.335749][ T6546] ? clear_bhb_loop+0x30/0x80 [ 290.340438][ T6546] ? clear_bhb_loop+0x30/0x80 [ 290.345128][ T6546] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 290.351031][ T6546] RIP: 0033:0x7ff2fd45190a [ 290.355459][ T6546] 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 [ 290.375214][ T6546] RSP: 002b:00007ff2fc6c0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 290.383680][ T6546] RAX: ffffffffffffffda RBX: 00007ff2fc6c0ef0 RCX: 00007ff2fd45190a [ 290.391753][ T6546] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff2fc6c0eb0 [ 290.399903][ T6546] RBP: 0000200000000400 R08: 00007ff2fc6c0ef0 R09: 0000000000000000 [ 290.407897][ T6546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 290.415882][ T6546] R13: 00007ff2fc6c0eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 290.423876][ T6546] [ 290.426989][ T6549] CPU: 0 PID: 6549 Comm: syz.2.372 Not tainted 5.15.185-syzkaller #0 [ 290.429799][ T6546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 290.435084][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 290.448342][ T6546] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 290.458382][ T6549] Call Trace: [ 290.458394][ T6549] [ 290.458404][ T6549] dump_stack_lvl+0x168/0x230 [ 290.476013][ T6549] ? show_regs_print_info+0x20/0x20 [ 290.481315][ T6549] ? load_image+0x3b0/0x3b0 [ 290.485878][ T6549] sysfs_create_dir_ns+0x252/0x280 [ 290.491032][ T6549] ? __lock_acquire+0x7c60/0x7c60 [ 290.496096][ T6549] ? sysfs_warn_dup+0xa0/0xa0 [ 290.500819][ T6549] ? do_raw_spin_unlock+0x11d/0x230 [ 290.506159][ T6549] kobject_add_internal+0x662/0xd00 [ 290.509284][ T6550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 290.511431][ T6549] kobject_init_and_add+0x122/0x190 [ 290.524085][ T6549] ? lockdep_softirqs_off+0x420/0x420 [ 290.529567][ T6549] ? kobject_add+0x210/0x210 [ 290.534268][ T6549] ? __init_swait_queue_head+0xa5/0x150 [ 290.539830][ T6549] gfs2_sys_fs_add+0x234/0x480 [ 290.544619][ T6549] ? gfs2_recover_set+0x240/0x240 [ 290.549667][ T6549] ? snprintf+0xd7/0x120 [ 290.553921][ T6549] ? __free_pages+0x95/0x1a0 [ 290.558549][ T6549] ? vscnprintf+0x80/0x80 [ 290.562895][ T6549] gfs2_fill_super+0x128d/0x1f50 [ 290.567854][ T6549] ? gfs2_reconfigure+0xcd0/0xcd0 [ 290.572893][ T6549] ? preempt_count_add+0x8d/0x190 [ 290.577936][ T6549] ? sb_set_blocksize+0xa5/0xe0 [ 290.582805][ T6549] get_tree_bdev+0x3f1/0x610 [ 290.587494][ T6549] ? gfs2_reconfigure+0xcd0/0xcd0 [ 290.592625][ T6549] gfs2_get_tree+0x4d/0x1e0 [ 290.597240][ T6549] vfs_get_tree+0x88/0x270 [ 290.601673][ T6549] do_new_mount+0x24a/0xa40 [ 290.606308][ T6549] __se_sys_mount+0x2d6/0x3c0 [ 290.611015][ T6549] ? __x64_sys_mount+0xc0/0xc0 [ 290.615805][ T6549] ? lockdep_hardirqs_on+0x94/0x140 [ 290.621123][ T6549] ? __x64_sys_mount+0x1c/0xc0 [ 290.626192][ T6549] do_syscall_64+0x4c/0xa0 [ 290.630644][ T6549] ? clear_bhb_loop+0x30/0x80 [ 290.635374][ T6549] ? clear_bhb_loop+0x30/0x80 [ 290.640085][ T6549] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 290.646003][ T6549] RIP: 0033:0x7f12cf2f590a [ 290.650517][ 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 [ 290.670672][ T6549] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 290.679719][ T6549] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 290.687731][ T6549] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 290.695765][ T6549] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 290.703752][ T6549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 290.711822][ T6549] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 290.719821][ T6549] [ 290.722850][ T6550] CPU: 1 PID: 6550 Comm: syz.5.373 Not tainted 5.15.185-syzkaller #0 [ 290.724817][ T6549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 290.731040][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 290.731055][ T6550] Call Trace: [ 290.731063][ T6550] [ 290.731071][ T6550] dump_stack_lvl+0x168/0x230 [ 290.744593][ T6549] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 290.754432][ T6550] ? show_regs_print_info+0x20/0x20 [ 290.754460][ T6550] ? load_image+0x3b0/0x3b0 [ 290.781717][ T6550] sysfs_create_dir_ns+0x252/0x280 [ 290.786970][ T6550] ? __lock_acquire+0x7c60/0x7c60 [ 290.792032][ T6550] ? sysfs_warn_dup+0xa0/0xa0 [ 290.796830][ T6550] ? do_raw_spin_unlock+0x11d/0x230 [ 290.802064][ T6550] kobject_add_internal+0x662/0xd00 [ 290.807524][ T6550] kobject_init_and_add+0x122/0x190 [ 290.812764][ T6550] ? lockdep_softirqs_off+0x420/0x420 [ 290.818371][ T6550] ? kobject_add+0x210/0x210 [ 290.823115][ T6550] ? __init_swait_queue_head+0xa5/0x150 [ 290.828704][ T6550] gfs2_sys_fs_add+0x234/0x480 [ 290.833528][ T6550] ? gfs2_recover_set+0x240/0x240 [ 290.838709][ T6550] ? snprintf+0xd7/0x120 [ 290.842992][ T6550] ? __free_pages+0x95/0x1a0 [ 290.847618][ T6550] ? vscnprintf+0x80/0x80 [ 290.852123][ T6550] gfs2_fill_super+0x128d/0x1f50 [ 290.857241][ T6550] ? gfs2_reconfigure+0xcd0/0xcd0 [ 290.862323][ T6550] ? preempt_count_add+0x8d/0x190 [ 290.867405][ T6550] ? sb_set_blocksize+0xa5/0xe0 [ 290.872296][ T6550] get_tree_bdev+0x3f1/0x610 [ 290.877047][ T6550] ? gfs2_reconfigure+0xcd0/0xcd0 [ 290.882193][ T6550] gfs2_get_tree+0x4d/0x1e0 [ 290.886742][ T6550] vfs_get_tree+0x88/0x270 [ 290.891209][ T6550] do_new_mount+0x24a/0xa40 [ 290.895861][ T6550] __se_sys_mount+0x2d6/0x3c0 [ 290.900584][ T6550] ? __x64_sys_mount+0xc0/0xc0 [ 290.905386][ T6550] ? lockdep_hardirqs_on+0x94/0x140 [ 290.910745][ T6550] ? __x64_sys_mount+0x1c/0xc0 [ 290.915570][ T6550] do_syscall_64+0x4c/0xa0 [ 290.920127][ T6550] ? clear_bhb_loop+0x30/0x80 [ 290.924839][ T6550] ? clear_bhb_loop+0x30/0x80 [ 290.929547][ T6550] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 290.935482][ T6550] RIP: 0033:0x7ff299b6c90a [ 290.940026][ T6550] 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 [ 290.959657][ T6550] RSP: 002b:00007ff298ddbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 290.968203][ T6550] RAX: ffffffffffffffda RBX: 00007ff298ddbef0 RCX: 00007ff299b6c90a [ 290.976522][ T6550] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff298ddbeb0 [ 290.984539][ T6550] RBP: 0000200000000400 R08: 00007ff298ddbef0 R09: 0000000000000000 [ 290.992549][ T6550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 291.000560][ T6550] R13: 00007ff298ddbeb0 R14: 00000000000125bb R15: 00002000000004c0 [ 291.008589][ T6550] [ 291.013771][ T6550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 291.027260][ T6550] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 291.139114][ T6552] loop3: detected capacity change from 0 to 32768 [ 291.259566][ T6552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 291.267117][ T6552] CPU: 0 PID: 6552 Comm: syz.3.374 Not tainted 5.15.185-syzkaller #0 [ 291.275305][ T6552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 291.285393][ T6552] Call Trace: [ 291.288869][ T6552] [ 291.291829][ T6552] dump_stack_lvl+0x168/0x230 [ 291.296537][ T6552] ? show_regs_print_info+0x20/0x20 [ 291.301768][ T6552] ? load_image+0x3b0/0x3b0 [ 291.306316][ T6552] sysfs_create_dir_ns+0x252/0x280 [ 291.311728][ T6552] ? __lock_acquire+0x7c60/0x7c60 [ 291.316835][ T6552] ? sysfs_warn_dup+0xa0/0xa0 [ 291.321549][ T6552] ? do_raw_spin_unlock+0x11d/0x230 [ 291.326800][ T6552] kobject_add_internal+0x662/0xd00 [ 291.332064][ T6552] kobject_init_and_add+0x122/0x190 [ 291.337413][ T6552] ? lockdep_softirqs_off+0x420/0x420 [ 291.342943][ T6552] ? kobject_add+0x210/0x210 [ 291.347575][ T6552] ? __init_swait_queue_head+0xa5/0x150 [ 291.353390][ T6552] gfs2_sys_fs_add+0x234/0x480 [ 291.358208][ T6552] ? gfs2_recover_set+0x240/0x240 [ 291.363264][ T6552] ? snprintf+0xd7/0x120 [ 291.367542][ T6552] ? __free_pages+0x95/0x1a0 [ 291.372169][ T6552] ? vscnprintf+0x80/0x80 [ 291.376544][ T6552] gfs2_fill_super+0x128d/0x1f50 [ 291.381536][ T6552] ? gfs2_reconfigure+0xcd0/0xcd0 [ 291.386608][ T6552] ? preempt_count_add+0x8d/0x190 [ 291.391680][ T6552] ? sb_set_blocksize+0xa5/0xe0 [ 291.396573][ T6552] get_tree_bdev+0x3f1/0x610 [ 291.401206][ T6552] ? gfs2_reconfigure+0xcd0/0xcd0 [ 291.406274][ T6552] gfs2_get_tree+0x4d/0x1e0 [ 291.410828][ T6552] vfs_get_tree+0x88/0x270 [ 291.415284][ T6552] do_new_mount+0x24a/0xa40 [ 291.419928][ T6552] __se_sys_mount+0x2d6/0x3c0 [ 291.424645][ T6552] ? __x64_sys_mount+0xc0/0xc0 [ 291.429538][ T6552] ? lockdep_hardirqs_on+0x94/0x140 [ 291.434769][ T6552] ? __x64_sys_mount+0x1c/0xc0 [ 291.439584][ T6552] do_syscall_64+0x4c/0xa0 [ 291.444032][ T6552] ? clear_bhb_loop+0x30/0x80 [ 291.448741][ T6552] ? clear_bhb_loop+0x30/0x80 [ 291.453456][ T6552] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 291.459390][ T6552] RIP: 0033:0x7ff19e71090a [ 291.463844][ T6552] 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 [ 291.483576][ T6552] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 291.492125][ T6552] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 291.500211][ T6552] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 [ 291.508382][ T6552] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 291.516380][ T6552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 291.524465][ T6552] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 291.532480][ T6552] [ 291.537724][ T6552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 291.550935][ T6552] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 291.881731][ T6556] loop1: detected capacity change from 0 to 32768 [ 291.891399][ T6555] loop2: detected capacity change from 0 to 32768 [ 291.928750][ T6555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 291.937235][ T6555] CPU: 1 PID: 6555 Comm: syz.2.376 Not tainted 5.15.185-syzkaller #0 [ 291.945911][ T6555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 291.955996][ T6555] Call Trace: [ 291.959300][ T6555] [ 291.962248][ T6555] dump_stack_lvl+0x168/0x230 [ 291.966959][ T6555] ? show_regs_print_info+0x20/0x20 [ 291.972195][ T6555] ? load_image+0x3b0/0x3b0 [ 291.976745][ T6555] sysfs_create_dir_ns+0x252/0x280 [ 291.981886][ T6555] ? __lock_acquire+0x7c60/0x7c60 [ 291.986941][ T6555] ? sysfs_warn_dup+0xa0/0xa0 [ 291.991740][ T6555] ? do_raw_spin_unlock+0x11d/0x230 [ 291.996972][ T6555] kobject_add_internal+0x662/0xd00 [ 292.002210][ T6555] kobject_init_and_add+0x122/0x190 [ 292.007438][ T6555] ? lockdep_softirqs_off+0x420/0x420 [ 292.012947][ T6555] ? kobject_add+0x210/0x210 [ 292.017705][ T6555] ? __init_swait_queue_head+0xa5/0x150 [ 292.023292][ T6555] gfs2_sys_fs_add+0x234/0x480 [ 292.028086][ T6555] ? gfs2_recover_set+0x240/0x240 [ 292.033136][ T6555] ? snprintf+0xd7/0x120 [ 292.037406][ T6555] ? __free_pages+0x95/0x1a0 [ 292.042032][ T6555] ? vscnprintf+0x80/0x80 [ 292.046484][ T6555] gfs2_fill_super+0x128d/0x1f50 [ 292.051546][ T6555] ? gfs2_reconfigure+0xcd0/0xcd0 [ 292.056605][ T6555] ? preempt_count_add+0x8d/0x190 [ 292.061665][ T6555] ? sb_set_blocksize+0xa5/0xe0 [ 292.066630][ T6555] get_tree_bdev+0x3f1/0x610 [ 292.071273][ T6555] ? gfs2_reconfigure+0xcd0/0xcd0 [ 292.076335][ T6555] gfs2_get_tree+0x4d/0x1e0 [ 292.080878][ T6555] vfs_get_tree+0x88/0x270 [ 292.085329][ T6555] do_new_mount+0x24a/0xa40 [ 292.089874][ T6555] __se_sys_mount+0x2d6/0x3c0 [ 292.094594][ T6555] ? __x64_sys_mount+0xc0/0xc0 [ 292.099398][ T6555] ? lockdep_hardirqs_on+0x94/0x140 [ 292.104680][ T6555] ? __x64_sys_mount+0x1c/0xc0 [ 292.109491][ T6555] do_syscall_64+0x4c/0xa0 [ 292.114029][ T6555] ? clear_bhb_loop+0x30/0x80 [ 292.118735][ T6555] ? clear_bhb_loop+0x30/0x80 [ 292.123513][ T6555] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 292.129615][ T6555] RIP: 0033:0x7f12cf2f590a [ 292.134065][ T6555] 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 [ 292.153796][ T6555] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 292.162332][ T6555] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 292.170337][ T6555] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 292.178344][ T6555] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 292.186428][ T6555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 292.194531][ T6555] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 292.202546][ T6555] [ 292.207812][ T6555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 292.221346][ T6555] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 292.247788][ T6558] loop5: detected capacity change from 0 to 32768 [ 292.261285][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 292.266804][ T27] INFO: task syz.4.42:5330 blocked for more than 143 seconds. [ 292.268858][ T6556] CPU: 0 PID: 6556 Comm: syz.1.375 Not tainted 5.15.185-syzkaller #0 [ 292.268882][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 292.268894][ T6556] Call Trace: [ 292.268902][ T6556] [ 292.268911][ T6556] dump_stack_lvl+0x168/0x230 [ 292.268941][ T6556] ? show_regs_print_info+0x20/0x20 [ 292.268963][ T6556] ? load_image+0x3b0/0x3b0 [ 292.268996][ T6556] sysfs_create_dir_ns+0x252/0x280 [ 292.269021][ T6556] ? __lock_acquire+0x7c60/0x7c60 [ 292.269047][ T6556] ? sysfs_warn_dup+0xa0/0xa0 [ 292.269072][ T6556] ? do_raw_spin_unlock+0x11d/0x230 [ 292.269097][ T6556] kobject_add_internal+0x662/0xd00 [ 292.269130][ T6556] kobject_init_and_add+0x122/0x190 [ 292.295517][ T27] Not tainted 5.15.185-syzkaller #0 [ 292.298799][ T6556] ? lockdep_softirqs_off+0x420/0x420 [ 292.298837][ T6556] ? kobject_add+0x210/0x210 [ 292.298865][ T6556] ? __init_swait_queue_head+0xa5/0x150 [ 292.298892][ T6556] gfs2_sys_fs_add+0x234/0x480 [ 292.298917][ T6556] ? gfs2_recover_set+0x240/0x240 [ 292.298940][ T6556] ? snprintf+0xd7/0x120 [ 292.298959][ T6556] ? __free_pages+0x95/0x1a0 [ 292.298987][ T6556] ? vscnprintf+0x80/0x80 [ 292.299021][ T6556] gfs2_fill_super+0x128d/0x1f50 [ 292.299061][ T6556] ? gfs2_reconfigure+0xcd0/0xcd0 [ 292.299087][ T6556] ? preempt_count_add+0x8d/0x190 [ 292.299121][ T6556] ? sb_set_blocksize+0xa5/0xe0 [ 292.302247][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.306732][ T6556] get_tree_bdev+0x3f1/0x610 [ 292.306761][ T6556] ? gfs2_reconfigure+0xcd0/0xcd0 [ 292.327627][ T27] task:syz.4.42 state:D [ 292.331487][ T6556] gfs2_get_tree+0x4d/0x1e0 [ 292.356115][ T27] stack:24800 pid: 5330 ppid: 4933 flags:0x00004004 [ 292.358626][ T6556] vfs_get_tree+0x88/0x270 [ 292.358660][ T6556] do_new_mount+0x24a/0xa40 [ 292.358700][ T6556] __se_sys_mount+0x2d6/0x3c0 [ 292.363498][ T27] Call Trace: [ 292.368950][ T6556] ? __x64_sys_mount+0xc0/0xc0 [ 292.368983][ T6556] ? lockdep_hardirqs_on+0x94/0x140 [ 292.394801][ T27] [ 292.396872][ T6556] ? __x64_sys_mount+0x1c/0xc0 [ 292.396909][ T6556] do_syscall_64+0x4c/0xa0 [ 292.396931][ T6556] ? clear_bhb_loop+0x30/0x80 [ 292.404960][ T27] __schedule+0x11b8/0x43b0 [ 292.407076][ T6556] ? clear_bhb_loop+0x30/0x80 [ 292.407102][ T6556] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 292.407128][ T6556] RIP: 0033:0x7ff2fd45190a [ 292.422836][ T27] ? __lock_acquire+0x7c60/0x7c60 [ 292.425401][ T6556] 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 [ 292.425426][ T6556] RSP: 002b:00007ff2fc6c0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 292.425449][ T6556] RAX: ffffffffffffffda RBX: 00007ff2fc6c0ef0 RCX: 00007ff2fd45190a [ 292.425465][ T6556] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff2fc6c0eb0 [ 292.425480][ T6556] RBP: 0000200000000400 R08: 00007ff2fc6c0ef0 R09: 0000000000000000 [ 292.425494][ T6556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 292.425508][ T6556] R13: 00007ff2fc6c0eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 292.425538][ T6556] [ 292.425608][ T6556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 292.425625][ T6556] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 292.597974][ T6558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 292.615389][ T6558] CPU: 0 PID: 6558 Comm: syz.5.377 Not tainted 5.15.185-syzkaller #0 [ 292.623617][ T6558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 292.633798][ T6558] Call Trace: [ 292.637105][ T6558] [ 292.640060][ T6558] dump_stack_lvl+0x168/0x230 [ 292.644887][ T6558] ? show_regs_print_info+0x20/0x20 [ 292.650267][ T6558] ? load_image+0x3b0/0x3b0 [ 292.654820][ T6558] sysfs_create_dir_ns+0x252/0x280 [ 292.659968][ T6558] ? __lock_acquire+0x7c60/0x7c60 [ 292.665134][ T6558] ? sysfs_warn_dup+0xa0/0xa0 [ 292.669854][ T6558] ? do_raw_spin_unlock+0x11d/0x230 [ 292.675099][ T6558] kobject_add_internal+0x662/0xd00 [ 292.680361][ T6558] kobject_init_and_add+0x122/0x190 [ 292.685608][ T6558] ? lockdep_softirqs_off+0x420/0x420 [ 292.691021][ T6558] ? kobject_add+0x210/0x210 [ 292.695653][ T6558] ? __init_swait_queue_head+0xa5/0x150 [ 292.701247][ T6558] gfs2_sys_fs_add+0x234/0x480 [ 292.706136][ T6558] ? gfs2_recover_set+0x240/0x240 [ 292.711451][ T6558] ? snprintf+0xd7/0x120 [ 292.715739][ T6558] ? __free_pages+0x95/0x1a0 [ 292.720381][ T6558] ? vscnprintf+0x80/0x80 [ 292.724754][ T6558] gfs2_fill_super+0x128d/0x1f50 [ 292.729745][ T6558] ? gfs2_reconfigure+0xcd0/0xcd0 [ 292.734812][ T6558] ? preempt_count_add+0x8d/0x190 [ 292.739885][ T6558] ? sb_set_blocksize+0xa5/0xe0 [ 292.744771][ T6558] get_tree_bdev+0x3f1/0x610 [ 292.749402][ T6558] ? gfs2_reconfigure+0xcd0/0xcd0 [ 292.754553][ T6558] gfs2_get_tree+0x4d/0x1e0 [ 292.759279][ T6558] vfs_get_tree+0x88/0x270 [ 292.763797][ T6558] do_new_mount+0x24a/0xa40 [ 292.768345][ T6558] __se_sys_mount+0x2d6/0x3c0 [ 292.773056][ T6558] ? __x64_sys_mount+0xc0/0xc0 [ 292.777857][ T6558] ? lockdep_hardirqs_on+0x94/0x140 [ 292.783211][ T6558] ? __x64_sys_mount+0x1c/0xc0 [ 292.788024][ T6558] do_syscall_64+0x4c/0xa0 [ 292.792477][ T6558] ? clear_bhb_loop+0x30/0x80 [ 292.797181][ T6558] ? clear_bhb_loop+0x30/0x80 [ 292.801898][ T6558] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 292.807843][ T6558] RIP: 0033:0x7ff299b6c90a [ 292.812302][ T6558] 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 [ 292.832084][ T6558] RSP: 002b:00007ff298ddbe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 292.840768][ T6558] RAX: ffffffffffffffda RBX: 00007ff298ddbef0 RCX: 00007ff299b6c90a [ 292.848869][ T6558] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff298ddbeb0 [ 292.856881][ T6558] RBP: 0000200000000400 R08: 00007ff298ddbef0 R09: 0000000000000000 [ 292.865093][ T6558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 292.873132][ T6558] R13: 00007ff298ddbeb0 R14: 00000000000125bb R15: 00002000000004c0 [ 292.881347][ T6558] [ 292.885579][ T6558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 292.898801][ T6558] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 292.916223][ T27] ? release_firmware_map_entry+0x190/0x190 [ 292.922569][ T27] ? lockdep_hardirqs_off+0x70/0x100 [ 292.950114][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 292.975985][ T27] schedule+0x11b/0x1e0 [ 292.979143][ T6560] loop3: detected capacity change from 0 to 32768 [ 292.988650][ T27] schedule_timeout+0x97/0x280 [ 292.994439][ T27] ? console_conditional_schedule+0x40/0x40 [ 293.000567][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 293.010325][ T27] ? lock_chain_count+0x20/0x20 [ 293.019838][ T27] ? lock_chain_count+0x20/0x20 [ 293.024770][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 293.037298][ T27] ? lockdep_hardirqs_on+0x94/0x140 [ 293.042943][ T27] do_wait_for_common+0x29a/0x440 [ 293.052820][ T27] ? console_conditional_schedule+0x40/0x40 [ 293.063429][ T27] ? wait_for_completion_killable_timeout+0x60/0x60 [ 293.075076][ T27] ? _raw_spin_lock_irq+0xab/0xe0 [ 293.083515][ T27] ? try_to_wake_up+0x6cf/0x1050 [ 293.093798][ T27] wait_for_completion+0x48/0x60 [ 293.101353][ T27] kthread_stop+0x16e/0x540 [ 293.110944][ T27] gfs2_make_fs_ro+0x14c/0x5d0 [ 293.118839][ T27] ? gfs2_dinode_out+0xb00/0xb00 [ 293.124035][ T27] ? do_raw_spin_lock+0x11d/0x280 [ 293.138953][ T27] ? __rwlock_init+0x140/0x140 [ 293.144079][ T27] ? do_raw_spin_unlock+0x11d/0x230 [ 293.154473][ T27] ? gfs2_glock_is_locked_by_me+0x16f/0x190 [ 293.165296][ T27] gfs2_withdraw+0x5f9/0x1460 [ 293.178112][ T27] ? gfs2_lm+0x220/0x220 [ 293.182710][ T27] ? gfs2_meta_buffer+0x310/0x310 [ 293.191987][ T27] ? from_kuid_munged+0x690/0x690 [ 293.201321][ T27] gfs2_metatype_check_ii+0x74/0x90 [ 293.211831][ T27] gfs2_quota_init+0xc81/0xe80 [ 293.220708][ T27] ? qd_get+0x5f0/0x5f0 [ 293.225279][ T27] gfs2_make_fs_rw+0x3f5/0x560 [ 293.234061][ T27] ? _raw_spin_unlock+0x24/0x40 [ 293.244592][ T27] ? gfs2_glock_nq+0xcb0/0x1550 [ 293.259740][ T27] ? gfs2_jdesc_check+0x290/0x290 [ 293.270803][ T27] gfs2_fill_super+0x188a/0x1f50 [ 293.280276][ T27] ? gfs2_reconfigure+0xcd0/0xcd0 [ 293.289630][ T27] ? gfs2_glock_nq_num+0x82/0x1b0 [ 293.294839][ T27] ? preempt_count_add+0x8d/0x190 [ 293.304076][ T27] ? gfs2_freeze_lock+0x52/0xc0 [ 293.320830][ T27] ? sb_set_blocksize+0xa5/0xe0 [ 293.330957][ T27] get_tree_bdev+0x3f1/0x610 [ 293.338990][ T27] ? gfs2_reconfigure+0xcd0/0xcd0 [ 293.341179][ T6562] loop0: detected capacity change from 0 to 32768 [ 293.344340][ T27] gfs2_get_tree+0x4d/0x1e0 [ 293.357590][ T27] vfs_get_tree+0x88/0x270 [ 293.362056][ T27] do_new_mount+0x24a/0xa40 [ 293.367771][ T27] __se_sys_mount+0x2d6/0x3c0 [ 293.372522][ T27] ? __x64_sys_mount+0xc0/0xc0 [ 293.378852][ T27] ? lockdep_hardirqs_on+0x94/0x140 [ 293.384108][ T27] ? __x64_sys_mount+0x1c/0xc0 [ 293.389271][ T27] do_syscall_64+0x4c/0xa0 [ 293.393734][ T27] ? clear_bhb_loop+0x30/0x80 [ 293.398778][ T27] ? clear_bhb_loop+0x30/0x80 [ 293.403786][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 293.409820][ T27] RIP: 0033:0x7faba5d1090a [ 293.414470][ T27] RSP: 002b:00007faba4f7fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 293.423191][ T27] RAX: ffffffffffffffda RBX: 00007faba4f7fef0 RCX: 00007faba5d1090a [ 293.431414][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faba4f7feb0 [ 293.439926][ T27] RBP: 0000200000000400 R08: 00007faba4f7fef0 R09: 0000000000000000 [ 293.448312][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 293.457711][ T27] R13: 00007faba4f7feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 293.469357][ T27] [ 293.472577][ T27] INFO: task gfs2_quotad:5338 blocked for more than 144 seconds. [ 293.480919][ T27] Not tainted 5.15.185-syzkaller #0 [ 293.487188][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 293.513398][ T27] task:gfs2_quotad state:D stack:27112 pid: 5338 ppid: 2 flags:0x00004000 [ 293.522844][ T27] Call Trace: [ 293.533537][ T27] [ 293.536758][ T27] __schedule+0x11b8/0x43b0 [ 293.541750][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 293.555116][ T27] ? lock_chain_count+0x20/0x20 [ 293.560476][ T27] ? release_firmware_map_entry+0x190/0x190 [ 293.577692][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0 [ 293.583303][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 293.590787][ T27] ? lockdep_hardirqs_on+0x94/0x140 [ 293.597674][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 293.603963][ T27] schedule+0x11b/0x1e0 [ 293.608685][ T27] bit_wait+0xd/0xc0 [ 293.613074][ T27] out_of_line_wait_on_bit+0x15e/0x200 [ 293.619720][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160 [ 293.626257][ T27] ? __wait_on_bit+0x170/0x170 [ 293.631353][ T27] ? bit_waitqueue+0x30/0x30 [ 293.636128][ T27] ? do_raw_spin_unlock+0x11d/0x230 [ 293.641474][ T27] __gfs2_glock_dq+0x6b5/0xa10 [ 293.646359][ T27] gfs2_glock_dq_uninit+0x4f/0x110 [ 293.651706][ T27] gfs2_statfs_sync+0x6fa/0x780 [ 293.656763][ T27] ? update_statfs+0x320/0x320 [ 293.661561][ T27] ? finish_task_switch+0x12f/0x640 [ 293.666922][ T27] ? gfs2_statfs_sync+0x138/0x780 [ 293.672754][ T27] gfs2_quotad+0x365/0x880 [ 293.677376][ T27] ? gfs2_wake_up_statfs+0xc0/0xc0 [ 293.682517][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 293.689421][ T27] ? init_wait_entry+0xd0/0xd0 [ 293.694233][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 293.701219][ T27] ? __kthread_parkme+0x157/0x1b0 [ 293.706346][ T27] kthread+0x436/0x520 [ 293.710459][ T27] ? gfs2_wake_up_statfs+0xc0/0xc0 [ 293.721567][ T27] ? kthread_blkcg+0xd0/0xd0 [ 293.734986][ T27] ret_from_fork+0x1f/0x30 [ 293.741604][ T27] [ 293.744834][ T27] [ 293.744834][ T27] Showing all locks held in the system: [ 293.850970][ T6560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 293.858658][ T6560] CPU: 1 PID: 6560 Comm: syz.3.378 Not tainted 5.15.185-syzkaller #0 [ 293.866752][ T6560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 293.877093][ T6560] Call Trace: [ 293.880751][ T6560] [ 293.883710][ T6560] dump_stack_lvl+0x168/0x230 [ 293.888422][ T6560] ? show_regs_print_info+0x20/0x20 [ 293.893647][ T6560] ? load_image+0x3b0/0x3b0 [ 293.898223][ T6560] sysfs_create_dir_ns+0x252/0x280 [ 293.903543][ T6560] ? __lock_acquire+0x7c60/0x7c60 [ 293.908738][ T6560] ? sysfs_warn_dup+0xa0/0xa0 [ 293.913460][ T6560] ? do_raw_spin_unlock+0x11d/0x230 [ 293.918783][ T6560] kobject_add_internal+0x662/0xd00 [ 293.924021][ T6560] kobject_init_and_add+0x122/0x190 [ 293.929264][ T6560] ? lockdep_softirqs_off+0x420/0x420 [ 293.934795][ T6560] ? kobject_add+0x210/0x210 [ 293.939443][ T6560] ? __init_swait_queue_head+0xa5/0x150 [ 293.945932][ T6560] gfs2_sys_fs_add+0x234/0x480 [ 293.950220][ T6564] loop2: detected capacity change from 0 to 32768 [ 293.950733][ T6560] ? gfs2_recover_set+0x240/0x240 [ 293.962271][ T6560] ? snprintf+0xd7/0x120 [ 293.966549][ T6560] ? __free_pages+0x95/0x1a0 [ 293.971611][ T6560] ? vscnprintf+0x80/0x80 [ 293.971832][ T27] 1 lock held by khungtaskd/27: [ 293.975980][ T6560] gfs2_fill_super+0x128d/0x1f50 [ 293.976022][ T6560] ? gfs2_reconfigure+0xcd0/0xcd0 [ 293.976050][ T6560] ? preempt_count_add+0x8d/0x190 [ 293.976085][ T6560] ? sb_set_blocksize+0xa5/0xe0 [ 293.992239][ T27] #0: [ 293.996132][ T6560] get_tree_bdev+0x3f1/0x610 [ 293.996166][ T6560] ? gfs2_reconfigure+0xcd0/0xcd0 [ 294.001298][ T27] ffffffff8c11bfa0 [ 294.004062][ T6560] gfs2_get_tree+0x4d/0x1e0 [ 294.022188][ T6560] vfs_get_tree+0x88/0x270 [ 294.026749][ T6560] do_new_mount+0x24a/0xa40 [ 294.031306][ T6560] __se_sys_mount+0x2d6/0x3c0 [ 294.036238][ T6560] ? __x64_sys_mount+0xc0/0xc0 [ 294.041049][ T6560] ? lockdep_hardirqs_on+0x94/0x140 [ 294.046284][ T6560] ? __x64_sys_mount+0x1c/0xc0 [ 294.051080][ T6560] do_syscall_64+0x4c/0xa0 [ 294.055796][ T6560] ? clear_bhb_loop+0x30/0x80 [ 294.060500][ T6560] ? clear_bhb_loop+0x30/0x80 [ 294.065294][ T6560] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 294.071213][ T6560] RIP: 0033:0x7ff19e71090a [ 294.075750][ T6560] 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 [ 294.095386][ T6560] RSP: 002b:00007ff19d97fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 294.103834][ T6560] RAX: ffffffffffffffda RBX: 00007ff19d97fef0 RCX: 00007ff19e71090a [ 294.111919][ T6560] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ff19d97feb0 [ 294.119923][ T6560] RBP: 0000200000000400 R08: 00007ff19d97fef0 R09: 0000000000000000 [ 294.127927][ T6560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 294.135930][ T6560] R13: 00007ff19d97feb0 R14: 00000000000125bb R15: 00002000000004c0 [ 294.139104][ T27] (rcu_read_lock [ 294.144131][ T6560] [ 294.144131][ T27] ){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 294.147901][ T6560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 294.147918][ T6560] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 294.164372][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 294.185702][ T6562] CPU: 1 PID: 6562 Comm: syz.0.379 Not tainted 5.15.185-syzkaller #0 [ 294.193897][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 294.203994][ T6562] Call Trace: [ 294.207303][ T6562] [ 294.210272][ T6562] dump_stack_lvl+0x168/0x230 [ 294.214988][ T6562] ? show_regs_print_info+0x20/0x20 [ 294.220486][ T6562] ? load_image+0x3b0/0x3b0 [ 294.225233][ T6562] sysfs_create_dir_ns+0x252/0x280 [ 294.230759][ T6562] ? __lock_acquire+0x7c60/0x7c60 [ 294.236378][ T6562] ? sysfs_warn_dup+0xa0/0xa0 [ 294.241497][ T6562] ? do_raw_spin_unlock+0x11d/0x230 [ 294.246941][ T6562] kobject_add_internal+0x662/0xd00 [ 294.252207][ T6562] kobject_init_and_add+0x122/0x190 [ 294.257468][ T6562] ? lockdep_softirqs_off+0x420/0x420 [ 294.263182][ T6562] ? kobject_add+0x210/0x210 [ 294.267909][ T6562] ? __init_swait_queue_head+0xa5/0x150 [ 294.273682][ T6562] gfs2_sys_fs_add+0x234/0x480 [ 294.278483][ T6562] ? gfs2_recover_set+0x240/0x240 [ 294.283548][ T6562] ? snprintf+0xd7/0x120 [ 294.287827][ T6562] ? __free_pages+0x95/0x1a0 [ 294.292456][ T6562] ? vscnprintf+0x80/0x80 [ 294.296858][ T6562] gfs2_fill_super+0x128d/0x1f50 [ 294.301868][ T6562] ? gfs2_reconfigure+0xcd0/0xcd0 [ 294.306934][ T6562] ? preempt_count_add+0x8d/0x190 [ 294.312135][ T6562] ? sb_set_blocksize+0xa5/0xe0 [ 294.317154][ T6562] get_tree_bdev+0x3f1/0x610 [ 294.321789][ T6562] ? gfs2_reconfigure+0xcd0/0xcd0 [ 294.327103][ T6562] gfs2_get_tree+0x4d/0x1e0 [ 294.331660][ T6562] vfs_get_tree+0x88/0x270 [ 294.336198][ T6562] do_new_mount+0x24a/0xa40 [ 294.340762][ T6562] __se_sys_mount+0x2d6/0x3c0 [ 294.345472][ T6562] ? __x64_sys_mount+0xc0/0xc0 [ 294.350371][ T6562] ? lockdep_hardirqs_on+0x94/0x140 [ 294.355678][ T6562] ? __x64_sys_mount+0x1c/0xc0 [ 294.360553][ T6562] do_syscall_64+0x4c/0xa0 [ 294.364984][ T6562] ? clear_bhb_loop+0x30/0x80 [ 294.369678][ T6562] ? clear_bhb_loop+0x30/0x80 [ 294.374377][ T6562] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 294.380296][ T6562] RIP: 0033:0x7f051421690a [ 294.384727][ T6562] 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 [ 294.404690][ T6562] RSP: 002b:00007f0513485e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 294.413238][ T6562] RAX: ffffffffffffffda RBX: 00007f0513485ef0 RCX: 00007f051421690a [ 294.421254][ T6562] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f0513485eb0 [ 294.429373][ T6562] RBP: 0000200000000400 R08: 00007f0513485ef0 R09: 0000000000000000 [ 294.437388][ T6562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 294.445512][ T6562] R13: 00007f0513485eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 294.453723][ T6562] [ 294.458457][ T6562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 294.471918][ T6562] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 294.481015][ T27] 3 locks held by kworker/0:2/1108: [ 294.486301][ T27] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 294.497513][ T27] #1: ffffc9000496fd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 294.510200][ T27] #2: ffffffff8c120a28 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x347/0x6b0 [ 294.521232][ T27] 2 locks held by udevd/3547: [ 294.525979][ T27] 2 locks held by getty/3937: [ 294.530867][ T27] #0: ffff88814ce89098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 294.540745][ T27] #1: ffffc900025d62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30 [ 294.556507][ T27] 3 locks held by kworker/1:3/4177: [ 294.563997][ T27] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 294.575000][ T6566] loop1: detected capacity change from 0 to 32768 [ 294.595269][ T27] #1: ffffc90002f3fd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 294.608033][ T27] #2: ffffffff8c120a28 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x320/0x6b0 [ 294.619242][ T27] 2 locks held by kworker/0:26/4971: [ 294.624565][ T27] #0: ffff888016872138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 294.635218][ T27] #1: ffffc900034bfd00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 294.646649][ T27] 1 lock held by syz.4.42/5330: [ 294.651525][ T27] #0: ffff8880681600e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950 [ 294.661815][ T27] 2 locks held by syz.3.378/6560: [ 294.666919][ T27] #0: ffff88801fea5918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0 [ 294.676374][ T27] #1: ffff88801fe25468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 [ 294.685411][ T27] 2 locks held by syz.0.379/6562: [ 294.691940][ T27] #0: ffff88801f9a0518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0 [ 294.703876][ T27] #1: ffff88801fdb4468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 [ 294.713050][ T27] 2 locks held by syz.2.380/6564: [ 294.718160][ T27] #0: ffff88801f9a3d18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0 [ 294.727702][ T27] #1: ffff88801fe22468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 [ 294.736811][ T27] 2 locks held by syz.1.381/6566: [ 294.741957][ T27] #0: ffff88801f9a2118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0 [ 294.751402][ T27] #1: ffff88801fdb7468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 [ 294.760666][ T27] [ 294.763044][ T27] ============================================= [ 294.763044][ T27] [ 294.773206][ T27] NMI backtrace for cpu 0 [ 294.777677][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0 [ 294.785861][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 294.796037][ T27] Call Trace: [ 294.799348][ T27] [ 294.802325][ T27] dump_stack_lvl+0x168/0x230 [ 294.807105][ T27] ? show_regs_print_info+0x20/0x20 [ 294.812474][ T27] ? load_image+0x3b0/0x3b0 [ 294.817086][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0 [ 294.822481][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0 [ 294.827624][ T27] nmi_cpu_backtrace+0x397/0x3d0 [ 294.832676][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 294.838852][ T27] ? _printk+0xcc/0x110 [ 294.843033][ T27] ? load_image+0x3b0/0x3b0 [ 294.847556][ T27] ? load_image+0x3b0/0x3b0 [ 294.852084][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 294.858176][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 294.864203][ T27] watchdog+0xe0f/0xe50 [ 294.868542][ T27] kthread+0x436/0x520 [ 294.872651][ T27] ? hungtask_pm_notify+0x40/0x40 [ 294.877819][ T27] ? kthread_blkcg+0xd0/0xd0 [ 294.882460][ T27] ret_from_fork+0x1f/0x30 [ 294.887029][ T27] [ 294.891006][ T27] Sending NMI from CPU 0 to CPUs 1: [ 294.896612][ C1] NMI backtrace for cpu 1 [ 294.896626][ C1] CPU: 1 PID: 5049 Comm: kworker/u4:6 Not tainted 5.15.185-syzkaller #0 [ 294.896645][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 294.896655][ C1] Workqueue: phy12 ieee80211_iface_work [ 294.896680][ C1] RIP: 0010:__lock_acquire+0x6bb8/0x7c60 [ 294.896703][ C1] Code: 07 80 c1 03 38 c1 0f 8c e9 96 ff ff 4c 89 f7 e8 3e e4 60 00 49 b8 00 00 00 00 00 fc ff df e9 d2 96 ff ff 48 c7 c1 60 1f 0a 96 <80> e1 07 80 c1 03 38 c1 0f 8c 5b a2 ff ff 48 c7 c7 60 1f 0a 96 e8 [ 294.896718][ C1] RSP: 0018:ffffc9000364f8a0 EFLAGS: 00000002 [ 294.896731][ C1] RAX: 0000000000000004 RBX: ffff88801df528a0 RCX: ffffffff960a1f60 [ 294.896744][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8ff9b208 [ 294.896755][ C1] RBP: ffffc9000364faf0 R08: dffffc0000000000 R09: fffffbfff1ff3642 [ 294.896768][ C1] R10: fffffbfff1ff3642 R11: 1ffffffff1ff3641 R12: ffff88801df528d0 [ 294.896781][ C1] R13: ffff88801df51dc0 R14: 1ffff11003bea514 R15: ffffffffffffffff [ 294.896794][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 294.896809][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 294.896820][ C1] CR2: 00007ff29199a000 CR3: 0000000055922000 CR4: 00000000003506e0 [ 294.896835][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 294.896845][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 294.896856][ C1] Call Trace: [ 294.896861][ C1] [ 294.896868][ C1] ? verify_lock_unused+0x140/0x140 [ 294.896889][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 294.896912][ C1] ? __mutex_unlock_slowpath+0x19e/0x6a0 [ 294.896932][ C1] ? verify_lock_unused+0x140/0x140 [ 294.896952][ C1] ? try_to_wake_up+0x3d4/0x1050 [ 294.896972][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 294.896990][ C1] ? __rwlock_init+0x140/0x140 [ 294.897007][ C1] lock_acquire+0x197/0x3f0 [ 294.897025][ C1] ? process_one_work+0x760/0x1000 [ 294.897044][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 294.897063][ C1] ? read_lock_is_recursive+0x10/0x10 [ 294.897082][ C1] ? try_to_wake_up+0x6cf/0x1050 [ 294.897100][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 294.897120][ C1] process_one_work+0x79f/0x1000 [ 294.897136][ C1] ? process_one_work+0x760/0x1000 [ 294.897157][ C1] ? worker_detach_from_pool+0x240/0x240 [ 294.897174][ C1] ? lockdep_hardirqs_off+0x70/0x100 [ 294.897195][ C1] ? _raw_spin_lock_irq+0xab/0xe0 [ 294.897212][ C1] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 294.897232][ C1] ? wq_worker_running+0x97/0x170 [ 294.897248][ C1] worker_thread+0xaa8/0x12a0 [ 294.897264][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 294.897283][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 294.897303][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 294.897322][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 294.897345][ C1] kthread+0x436/0x520 [ 294.897359][ C1] ? rcu_lock_release+0x20/0x20 [ 294.897374][ C1] ? kthread_blkcg+0xd0/0xd0 [ 294.897389][ C1] ret_from_fork+0x1f/0x30 [ 294.897412][ C1] [ 294.900704][ T6564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 294.910744][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 294.912012][ T6564] CPU: 1 PID: 6564 Comm: syz.2.380 Not tainted 5.15.185-syzkaller #0 [ 295.218019][ T6564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 295.228172][ T6564] Call Trace: [ 295.231468][ T6564] [ 295.234428][ T6564] dump_stack_lvl+0x168/0x230 [ 295.239130][ T6564] ? show_regs_print_info+0x20/0x20 [ 295.244425][ T6564] ? load_image+0x3b0/0x3b0 [ 295.248944][ T6564] sysfs_create_dir_ns+0x252/0x280 [ 295.254076][ T6564] ? __lock_acquire+0x7c60/0x7c60 [ 295.259120][ T6564] ? sysfs_warn_dup+0xa0/0xa0 [ 295.263808][ T6564] ? do_raw_spin_unlock+0x11d/0x230 [ 295.269117][ T6564] kobject_add_internal+0x662/0xd00 [ 295.274339][ T6564] kobject_init_and_add+0x122/0x190 [ 295.279551][ T6564] ? lockdep_softirqs_off+0x420/0x420 [ 295.284941][ T6564] ? kobject_add+0x210/0x210 [ 295.289723][ T6564] ? __init_swait_queue_head+0xa5/0x150 [ 295.295290][ T6564] gfs2_sys_fs_add+0x234/0x480 [ 295.300068][ T6564] ? gfs2_recover_set+0x240/0x240 [ 295.305102][ T6564] ? snprintf+0xd7/0x120 [ 295.309353][ T6564] ? __free_pages+0x95/0x1a0 [ 295.313966][ T6564] ? vscnprintf+0x80/0x80 [ 295.318326][ T6564] gfs2_fill_super+0x128d/0x1f50 [ 295.323291][ T6564] ? gfs2_reconfigure+0xcd0/0xcd0 [ 295.328330][ T6564] ? preempt_count_add+0x8d/0x190 [ 295.333397][ T6564] ? sb_set_blocksize+0xa5/0xe0 [ 295.338263][ T6564] get_tree_bdev+0x3f1/0x610 [ 295.342865][ T6564] ? gfs2_reconfigure+0xcd0/0xcd0 [ 295.347904][ T6564] gfs2_get_tree+0x4d/0x1e0 [ 295.352423][ T6564] vfs_get_tree+0x88/0x270 [ 295.356941][ T6564] do_new_mount+0x24a/0xa40 [ 295.361461][ T6564] __se_sys_mount+0x2d6/0x3c0 [ 295.366246][ T6564] ? __x64_sys_mount+0xc0/0xc0 [ 295.371021][ T6564] ? lockdep_hardirqs_on+0x94/0x140 [ 295.376226][ T6564] ? __x64_sys_mount+0x1c/0xc0 [ 295.380999][ T6564] do_syscall_64+0x4c/0xa0 [ 295.385436][ T6564] ? clear_bhb_loop+0x30/0x80 [ 295.390118][ T6564] ? clear_bhb_loop+0x30/0x80 [ 295.395022][ T6564] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 295.400936][ T6564] RIP: 0033:0x7f12cf2f590a [ 295.405370][ T6564] 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 [ 295.425226][ T6564] RSP: 002b:00007f12ce564e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 295.433764][ T6564] RAX: ffffffffffffffda RBX: 00007f12ce564ef0 RCX: 00007f12cf2f590a [ 295.441751][ T6564] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f12ce564eb0 [ 295.449729][ T6564] RBP: 0000200000000400 R08: 00007f12ce564ef0 R09: 0000000000000000 [ 295.457716][ T6564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 295.465698][ T6564] R13: 00007f12ce564eb0 R14: 00000000000125bb R15: 00002000000004c0 [ 295.473777][ T6564] [ 295.476820][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0 [ 295.476926][ T6564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 295.484821][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 295.498061][ T6564] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 295.508080][ T27] Call Trace: [ 295.508096][ T27] [ 295.508106][ T27] dump_stack_lvl+0x168/0x230 [ 295.525623][ T27] ? show_regs_print_info+0x20/0x20 [ 295.530865][ T27] ? load_image+0x3b0/0x3b0 [ 295.535432][ T27] panic+0x2c9/0x7f0 [ 295.539462][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 295.545134][ T27] ? bpf_jit_dump+0xd0/0xd0 [ 295.549689][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280 [ 295.555881][ T27] watchdog+0xe4e/0xe50 [ 295.560081][ T27] kthread+0x436/0x520 [ 295.564180][ T27] ? hungtask_pm_notify+0x40/0x40 [ 295.569231][ T27] ? kthread_blkcg+0xd0/0xd0 [ 295.573853][ T27] ret_from_fork+0x1f/0x30 [ 295.578305][ T27] [ 295.581656][ T27] Kernel Offset: disabled [ 295.586158][ T27] Rebooting in 86400 seconds..