ueue+0x10/0x10 [ 406.939697][ T8748] ? read_word_at_a_time+0xe/0x20 [ 406.944908][ T8748] ? sized_strscpy+0x8d/0x220 [ 406.949599][ T8748] gfs2_fill_super+0x11ee/0x24d0 [ 406.954569][ T8748] ? __pfx_gfs2_fill_super+0x10/0x10 [ 406.959880][ T8748] ? snprintf+0xda/0x120 [ 406.964139][ T8748] ? __pfx_lock_release+0x10/0x10 [ 406.969263][ T8748] ? do_raw_spin_lock+0x14f/0x370 [ 406.974324][ T8748] ? __pfx_snprintf+0x10/0x10 [ 406.979120][ T8748] ? sb_set_blocksize+0x98/0xf0 [ 406.983986][ T8748] ? setup_bdev_super+0x4e6/0x5d0 [ 406.989036][ T8748] get_tree_bdev+0x3f7/0x570 [ 406.993692][ T8748] ? __pfx_gfs2_fill_super+0x10/0x10 [ 406.999085][ T8748] ? __pfx_get_tree_bdev+0x10/0x10 [ 407.004217][ T8748] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 407.009874][ T8748] gfs2_get_tree+0x54/0x220 [ 407.014399][ T8748] vfs_get_tree+0x90/0x2b0 [ 407.018842][ T8748] do_new_mount+0x2be/0xb40 [ 407.023456][ T8748] ? __pfx_do_new_mount+0x10/0x10 [ 407.028805][ T8748] __se_sys_mount+0x2d6/0x3c0 [ 407.033502][ T8748] ? __pfx___se_sys_mount+0x10/0x10 [ 407.038805][ T8748] ? do_syscall_64+0x100/0x230 [ 407.043755][ T8748] ? __x64_sys_mount+0x20/0xc0 [ 407.048889][ T8748] do_syscall_64+0xf3/0x230 [ 407.053408][ T8748] ? clear_bhb_loop+0x35/0x90 [ 407.058097][ T8748] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 407.064181][ T8748] RIP: 0033:0x7fb3b7d7b61a [ 407.068612][ T8748] 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 [ 407.088505][ T8748] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 407.096937][ T8748] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 407.105011][ T8748] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 407.113001][ T8748] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 407.120990][ T8748] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 407.128975][ T8748] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 407.137064][ T8748] [ 407.156760][ T8748] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 407.171387][ T8748] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 407.212416][ T8752] loop1: detected capacity change from 0 to 32768 [ 407.243135][ T8754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 407.250817][ T8754] CPU: 0 UID: 0 PID: 8754 Comm: syz.2.481 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 407.261546][ T8754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 407.271647][ T8754] Call Trace: [ 407.274955][ T8754] [ 407.277906][ T8754] dump_stack_lvl+0x241/0x360 [ 407.282864][ T8754] ? __pfx_dump_stack_lvl+0x10/0x10 [ 407.288075][ T8754] ? __pfx__printk+0x10/0x10 [ 407.292676][ T8754] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 407.298160][ T8754] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 407.303998][ T8754] sysfs_create_dir_ns+0x2ce/0x3a0 [ 407.309138][ T8754] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 407.315053][ T8754] kobject_add_internal+0x435/0x8d0 [ 407.320366][ T8754] kobject_init_and_add+0x124/0x190 [ 407.325585][ T8754] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 407.331525][ T8754] ? __pfx_kobject_init_and_add+0x10/0x10 [ 407.337361][ T8754] ? __init_swait_queue_head+0xae/0x150 [ 407.342945][ T8754] gfs2_sys_fs_add+0x23b/0x4a0 [ 407.347730][ T8754] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 407.353041][ T8754] ? __pfx_alloc_workqueue+0x10/0x10 [ 407.358349][ T8754] ? read_word_at_a_time+0xe/0x20 [ 407.363558][ T8754] ? sized_strscpy+0x8d/0x220 [ 407.368278][ T8754] gfs2_fill_super+0x11ee/0x24d0 [ 407.373251][ T8754] ? __pfx_gfs2_fill_super+0x10/0x10 [ 407.378559][ T8754] ? snprintf+0xda/0x120 [ 407.382901][ T8754] ? __pfx_lock_release+0x10/0x10 [ 407.387942][ T8754] ? do_raw_spin_lock+0x14f/0x370 [ 407.393006][ T8754] ? __pfx_snprintf+0x10/0x10 [ 407.397716][ T8754] ? sb_set_blocksize+0x98/0xf0 [ 407.402942][ T8754] ? setup_bdev_super+0x4e6/0x5d0 [ 407.408017][ T8754] get_tree_bdev+0x3f7/0x570 [ 407.412645][ T8754] ? __pfx_gfs2_fill_super+0x10/0x10 [ 407.417971][ T8754] ? __pfx_get_tree_bdev+0x10/0x10 [ 407.423106][ T8754] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 407.428780][ T8754] gfs2_get_tree+0x54/0x220 [ 407.433310][ T8754] vfs_get_tree+0x90/0x2b0 [ 407.437770][ T8754] do_new_mount+0x2be/0xb40 [ 407.442568][ T8754] ? __pfx_do_new_mount+0x10/0x10 [ 407.447704][ T8754] __se_sys_mount+0x2d6/0x3c0 [ 407.452492][ T8754] ? __pfx___se_sys_mount+0x10/0x10 [ 407.457882][ T8754] ? do_syscall_64+0x100/0x230 [ 407.462869][ T8754] ? __x64_sys_mount+0x20/0xc0 [ 407.467681][ T8754] do_syscall_64+0xf3/0x230 [ 407.472423][ T8754] ? clear_bhb_loop+0x35/0x90 [ 407.477315][ T8754] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 407.483326][ T8754] RIP: 0033:0x7f9d6317b61a [ 407.487855][ T8754] 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 [ 407.507652][ T8754] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 407.516871][ T8754] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 407.525035][ T8754] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 407.533048][ T8754] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 407.541036][ T8754] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 407.549286][ T8754] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 407.557544][ T8754] [ 407.563042][ T8752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 407.570865][ T8752] CPU: 1 UID: 0 PID: 8752 Comm: syz.1.480 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 407.581788][ T8752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 407.592077][ T8752] Call Trace: [ 407.595405][ T8752] [ 407.598379][ T8752] dump_stack_lvl+0x241/0x360 [ 407.603112][ T8752] ? __pfx_dump_stack_lvl+0x10/0x10 [ 407.608363][ T8752] ? __pfx__printk+0x10/0x10 [ 407.613085][ T8752] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 407.618417][ T8752] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 407.624013][ T8752] sysfs_create_dir_ns+0x2ce/0x3a0 [ 407.629175][ T8752] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 407.634871][ T8752] kobject_add_internal+0x435/0x8d0 [ 407.640126][ T8752] kobject_init_and_add+0x124/0x190 [ 407.645368][ T8752] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 407.651232][ T8752] ? __pfx_kobject_init_and_add+0x10/0x10 [ 407.657094][ T8752] ? __init_swait_queue_head+0xae/0x150 [ 407.662704][ T8752] gfs2_sys_fs_add+0x23b/0x4a0 [ 407.667520][ T8752] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 407.672865][ T8752] ? __pfx_alloc_workqueue+0x10/0x10 [ 407.678194][ T8752] ? read_word_at_a_time+0xe/0x20 [ 407.683239][ T8752] ? sized_strscpy+0x8d/0x220 [ 407.687930][ T8752] gfs2_fill_super+0x11ee/0x24d0 [ 407.692947][ T8752] ? __pfx_gfs2_fill_super+0x10/0x10 [ 407.698263][ T8752] ? snprintf+0xda/0x120 [ 407.702539][ T8752] ? __pfx_lock_release+0x10/0x10 [ 407.707579][ T8752] ? do_raw_spin_lock+0x14f/0x370 [ 407.712667][ T8752] ? __pfx_snprintf+0x10/0x10 [ 407.717458][ T8752] ? sb_set_blocksize+0x98/0xf0 [ 407.722327][ T8752] ? setup_bdev_super+0x4e6/0x5d0 [ 407.727377][ T8752] get_tree_bdev+0x3f7/0x570 [ 407.731991][ T8752] ? __pfx_gfs2_fill_super+0x10/0x10 [ 407.737307][ T8752] ? __pfx_get_tree_bdev+0x10/0x10 [ 407.742446][ T8752] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 407.748272][ T8752] gfs2_get_tree+0x54/0x220 [ 407.752801][ T8752] vfs_get_tree+0x90/0x2b0 [ 407.757246][ T8752] do_new_mount+0x2be/0xb40 [ 407.761783][ T8752] ? __pfx_do_new_mount+0x10/0x10 [ 407.766833][ T8752] __se_sys_mount+0x2d6/0x3c0 [ 407.771794][ T8752] ? __pfx___se_sys_mount+0x10/0x10 [ 407.777021][ T8752] ? do_syscall_64+0x100/0x230 [ 407.781803][ T8752] ? __x64_sys_mount+0x20/0xc0 [ 407.786585][ T8752] do_syscall_64+0xf3/0x230 [ 407.791104][ T8752] ? clear_bhb_loop+0x35/0x90 [ 407.795798][ T8752] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 407.801796][ T8752] RIP: 0033:0x7f5668b7b61a [ 407.806226][ T8752] 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 [ 407.826199][ T8752] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 407.834722][ T8752] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 407.842821][ T8752] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 407.851061][ T8752] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 407.859218][ T8752] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 407.867287][ T8752] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 407.875288][ T8752] [ 407.880136][ T8752] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 407.895613][ T8752] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 407.908353][ T8754] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 407.928591][ T8754] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 408.416455][ T8758] loop4: detected capacity change from 0 to 32768 [ 408.468620][ T8758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 408.476119][ T8758] CPU: 0 UID: 0 PID: 8758 Comm: syz.4.482 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 408.486857][ T8758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 408.497134][ T8758] Call Trace: [ 408.500546][ T8758] [ 408.503514][ T8758] dump_stack_lvl+0x241/0x360 [ 408.508237][ T8758] ? __pfx_dump_stack_lvl+0x10/0x10 [ 408.513480][ T8758] ? __pfx__printk+0x10/0x10 [ 408.518114][ T8758] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 408.523443][ T8758] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 408.529222][ T8758] sysfs_create_dir_ns+0x2ce/0x3a0 [ 408.534567][ T8758] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 408.540455][ T8758] kobject_add_internal+0x435/0x8d0 [ 408.545864][ T8758] kobject_init_and_add+0x124/0x190 [ 408.551107][ T8758] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 408.556965][ T8758] ? __pfx_kobject_init_and_add+0x10/0x10 [ 408.562904][ T8758] ? __init_swait_queue_head+0xae/0x150 [ 408.568498][ T8758] gfs2_sys_fs_add+0x23b/0x4a0 [ 408.573650][ T8758] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 408.579073][ T8758] ? __pfx_alloc_workqueue+0x10/0x10 [ 408.584401][ T8758] ? read_word_at_a_time+0xe/0x20 [ 408.589461][ T8758] ? sized_strscpy+0x8d/0x220 [ 408.594191][ T8758] gfs2_fill_super+0x11ee/0x24d0 [ 408.599202][ T8758] ? __pfx_gfs2_fill_super+0x10/0x10 [ 408.604691][ T8758] ? snprintf+0xda/0x120 [ 408.608959][ T8758] ? __pfx_lock_release+0x10/0x10 [ 408.614004][ T8758] ? do_raw_spin_lock+0x14f/0x370 [ 408.619058][ T8758] ? __pfx_snprintf+0x10/0x10 [ 408.623863][ T8758] ? sb_set_blocksize+0x98/0xf0 [ 408.628830][ T8758] ? setup_bdev_super+0x4e6/0x5d0 [ 408.633966][ T8758] get_tree_bdev+0x3f7/0x570 [ 408.638685][ T8758] ? __pfx_gfs2_fill_super+0x10/0x10 [ 408.643988][ T8758] ? __pfx_get_tree_bdev+0x10/0x10 [ 408.649128][ T8758] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 408.654826][ T8758] gfs2_get_tree+0x54/0x220 [ 408.659350][ T8758] vfs_get_tree+0x90/0x2b0 [ 408.663788][ T8758] do_new_mount+0x2be/0xb40 [ 408.668311][ T8758] ? __pfx_do_new_mount+0x10/0x10 [ 408.673537][ T8758] __se_sys_mount+0x2d6/0x3c0 [ 408.678241][ T8758] ? __pfx___se_sys_mount+0x10/0x10 [ 408.683458][ T8758] ? do_syscall_64+0x100/0x230 [ 408.688238][ T8758] ? __x64_sys_mount+0x20/0xc0 [ 408.693368][ T8758] do_syscall_64+0xf3/0x230 [ 408.698143][ T8758] ? clear_bhb_loop+0x35/0x90 [ 408.702835][ T8758] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 408.708837][ T8758] RIP: 0033:0x7f81e077b61a [ 408.713266][ T8758] 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 [ 408.733077][ T8758] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 408.741533][ T8758] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 408.749522][ T8758] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 408.757857][ T8758] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 408.765928][ T8758] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 408.773926][ T8758] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 408.782118][ T8758] [ 408.807880][ T8758] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 408.827834][ T8758] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 409.679546][ T8768] loop3: detected capacity change from 0 to 32768 [ 409.705518][ T8772] loop2: detected capacity change from 0 to 32768 [ 409.760466][ T8772] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 409.778150][ T8772] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 409.778943][ T8768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 409.813715][ T8772] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 409.839017][ T1187] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 409.846316][ T1187] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 409.887617][ T8768] CPU: 1 UID: 0 PID: 8768 Comm: syz.3.483 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 409.898303][ T8768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 409.908409][ T8768] Call Trace: [ 409.911728][ T8768] [ 409.914782][ T8768] dump_stack_lvl+0x241/0x360 [ 409.919520][ T8768] ? __pfx_dump_stack_lvl+0x10/0x10 [ 409.924759][ T8768] ? __pfx__printk+0x10/0x10 [ 409.929400][ T8768] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 409.934904][ T8768] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 409.940505][ T8768] sysfs_create_dir_ns+0x2ce/0x3a0 [ 409.945669][ T8768] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 409.951448][ T8768] kobject_add_internal+0x435/0x8d0 [ 409.956794][ T8768] kobject_init_and_add+0x124/0x190 [ 409.962049][ T8768] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 409.967917][ T8768] ? __pfx_kobject_init_and_add+0x10/0x10 [ 409.973796][ T8768] ? __init_swait_queue_head+0xae/0x150 [ 409.979405][ T8768] gfs2_sys_fs_add+0x23b/0x4a0 [ 409.984226][ T8768] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 409.989573][ T8768] ? __pfx_alloc_workqueue+0x10/0x10 [ 409.995088][ T8768] ? read_word_at_a_time+0xe/0x20 [ 410.000161][ T8768] ? sized_strscpy+0x8d/0x220 [ 410.004887][ T8768] gfs2_fill_super+0x11ee/0x24d0 [ 410.009904][ T8768] ? __pfx_gfs2_fill_super+0x10/0x10 [ 410.015250][ T8768] ? snprintf+0xda/0x120 [ 410.019543][ T8768] ? __pfx_lock_release+0x10/0x10 [ 410.024791][ T8768] ? do_raw_spin_lock+0x14f/0x370 [ 410.029865][ T8768] ? __pfx_snprintf+0x10/0x10 [ 410.034697][ T8768] ? sb_set_blocksize+0x98/0xf0 [ 410.039595][ T8768] ? setup_bdev_super+0x4e6/0x5d0 [ 410.044725][ T8768] get_tree_bdev+0x3f7/0x570 [ 410.049367][ T8768] ? __pfx_gfs2_fill_super+0x10/0x10 [ 410.054713][ T8768] ? __pfx_get_tree_bdev+0x10/0x10 [ 410.059887][ T8768] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 410.065571][ T8768] gfs2_get_tree+0x54/0x220 [ 410.070130][ T8768] vfs_get_tree+0x90/0x2b0 [ 410.074619][ T8768] do_new_mount+0x2be/0xb40 [ 410.079183][ T8768] ? __pfx_do_new_mount+0x10/0x10 [ 410.084351][ T8768] __se_sys_mount+0x2d6/0x3c0 [ 410.088735][ T8776] loop4: detected capacity change from 0 to 32768 [ 410.089084][ T8768] ? __pfx___se_sys_mount+0x10/0x10 [ 410.101035][ T8768] ? do_syscall_64+0x100/0x230 [ 410.105881][ T8768] ? __x64_sys_mount+0x20/0xc0 [ 410.110798][ T8768] do_syscall_64+0xf3/0x230 [ 410.115347][ T8768] ? clear_bhb_loop+0x35/0x90 [ 410.120072][ T8768] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 410.126017][ T8768] RIP: 0033:0x7fb3b7d7b61a [ 410.130476][ T8768] 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 [ 410.150130][ T8768] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 410.152330][ T8771] loop1: detected capacity change from 0 to 32768 [ 410.158569][ T8768] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 410.158591][ T8768] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 410.158607][ T8768] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 410.158623][ T8768] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 410.158639][ T8768] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 410.205906][ T8768] [ 410.266725][ T1187] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 420ms [ 410.275369][ T1187] gfs2: fsid=syz:syz.0: jid=0: Done [ 410.298054][ T8772] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 410.310106][ T8768] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 410.324930][ T8768] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 410.409949][ T8771] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 410.419282][ T8771] CPU: 1 UID: 0 PID: 8771 Comm: syz.1.484 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 410.429951][ T8771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.440242][ T8771] Call Trace: [ 410.443573][ T8771] [ 410.446546][ T8771] dump_stack_lvl+0x241/0x360 [ 410.451369][ T8771] ? __pfx_dump_stack_lvl+0x10/0x10 [ 410.456709][ T8771] ? __pfx__printk+0x10/0x10 [ 410.461360][ T8771] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 410.466695][ T8771] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 410.472571][ T8771] sysfs_create_dir_ns+0x2ce/0x3a0 [ 410.477749][ T8771] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 410.483449][ T8771] kobject_add_internal+0x435/0x8d0 [ 410.488706][ T8771] kobject_init_and_add+0x124/0x190 [ 410.493947][ T8771] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 410.499817][ T8771] ? __pfx_kobject_init_and_add+0x10/0x10 [ 410.505760][ T8771] ? __init_swait_queue_head+0xae/0x150 [ 410.507020][ T8778] loop0: detected capacity change from 0 to 32768 [ 410.511427][ T8771] gfs2_sys_fs_add+0x23b/0x4a0 [ 410.511462][ T8771] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 410.511496][ T8771] ? __pfx_alloc_workqueue+0x10/0x10 [ 410.533498][ T8771] ? read_word_at_a_time+0xe/0x20 [ 410.538582][ T8771] ? sized_strscpy+0x8d/0x220 [ 410.543749][ T8771] gfs2_fill_super+0x11ee/0x24d0 [ 410.548851][ T8771] ? __pfx_gfs2_fill_super+0x10/0x10 [ 410.554195][ T8771] ? snprintf+0xda/0x120 [ 410.558487][ T8771] ? __pfx_lock_release+0x10/0x10 [ 410.563748][ T8771] ? do_raw_spin_lock+0x14f/0x370 [ 410.568826][ T8771] ? __pfx_snprintf+0x10/0x10 [ 410.573558][ T8771] ? sb_set_blocksize+0x98/0xf0 [ 410.578626][ T8771] ? setup_bdev_super+0x4e6/0x5d0 [ 410.583838][ T8771] get_tree_bdev+0x3f7/0x570 [ 410.588484][ T8771] ? __pfx_gfs2_fill_super+0x10/0x10 [ 410.593823][ T8771] ? __pfx_get_tree_bdev+0x10/0x10 [ 410.599003][ T8771] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 410.604705][ T8771] gfs2_get_tree+0x54/0x220 [ 410.609475][ T8771] vfs_get_tree+0x90/0x2b0 [ 410.613959][ T8771] do_new_mount+0x2be/0xb40 [ 410.618537][ T8771] ? __pfx_do_new_mount+0x10/0x10 [ 410.623641][ T8771] __se_sys_mount+0x2d6/0x3c0 [ 410.628399][ T8771] ? __pfx___se_sys_mount+0x10/0x10 [ 410.633650][ T8771] ? do_syscall_64+0x100/0x230 [ 410.638470][ T8771] ? __x64_sys_mount+0x20/0xc0 [ 410.643306][ T8771] do_syscall_64+0xf3/0x230 [ 410.647945][ T8771] ? clear_bhb_loop+0x35/0x90 [ 410.652707][ T8771] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 410.658709][ T8771] RIP: 0033:0x7f5668b7b61a [ 410.663165][ T8771] 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 [ 410.683054][ T8771] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 410.691618][ T8771] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 410.699644][ T8771] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 410.707662][ T8771] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 410.715686][ T8771] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 410.723707][ T8771] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 410.731750][ T8771] [ 410.743925][ T8771] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 410.764961][ T8776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 410.766434][ T8771] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 410.778147][ T8776] CPU: 0 UID: 0 PID: 8776 Comm: syz.4.486 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 410.789695][ T8776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 410.800366][ T8776] Call Trace: [ 410.803727][ T8776] [ 410.806699][ T8776] dump_stack_lvl+0x241/0x360 [ 410.811443][ T8776] ? __pfx_dump_stack_lvl+0x10/0x10 [ 410.816702][ T8776] ? __pfx__printk+0x10/0x10 [ 410.821355][ T8776] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 410.826682][ T8776] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 410.832368][ T8776] sysfs_create_dir_ns+0x2ce/0x3a0 [ 410.837533][ T8776] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 410.843310][ T8776] kobject_add_internal+0x435/0x8d0 [ 410.848575][ T8776] kobject_init_and_add+0x124/0x190 [ 410.853910][ T8776] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 410.859782][ T8776] ? __pfx_kobject_init_and_add+0x10/0x10 [ 410.865650][ T8776] ? __init_swait_queue_head+0xae/0x150 [ 410.871368][ T8776] gfs2_sys_fs_add+0x23b/0x4a0 [ 410.876196][ T8776] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 410.881633][ T8776] ? __pfx_alloc_workqueue+0x10/0x10 [ 410.887064][ T8776] ? read_word_at_a_time+0xe/0x20 [ 410.892227][ T8776] ? sized_strscpy+0x8d/0x220 [ 410.896959][ T8776] gfs2_fill_super+0x11ee/0x24d0 [ 410.901974][ T8776] ? __pfx_gfs2_fill_super+0x10/0x10 [ 410.907366][ T8776] ? snprintf+0xda/0x120 [ 410.911750][ T8776] ? __pfx_lock_release+0x10/0x10 [ 410.917255][ T8776] ? do_raw_spin_lock+0x14f/0x370 [ 410.922395][ T8776] ? __pfx_snprintf+0x10/0x10 [ 410.927215][ T8776] ? sb_set_blocksize+0x98/0xf0 [ 410.932116][ T8776] ? setup_bdev_super+0x4e6/0x5d0 [ 410.937198][ T8776] get_tree_bdev+0x3f7/0x570 [ 410.941838][ T8776] ? __pfx_gfs2_fill_super+0x10/0x10 [ 410.947174][ T8776] ? __pfx_get_tree_bdev+0x10/0x10 [ 410.952338][ T8776] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 410.958021][ T8776] gfs2_get_tree+0x54/0x220 2024/10/16 08:13:16 executed programs: 483 [ 410.962593][ T8776] vfs_get_tree+0x90/0x2b0 [ 410.967230][ T8776] do_new_mount+0x2be/0xb40 [ 410.971793][ T8776] ? __pfx_do_new_mount+0x10/0x10 [ 410.976881][ T8776] __se_sys_mount+0x2d6/0x3c0 [ 410.981702][ T8776] ? __pfx___se_sys_mount+0x10/0x10 [ 410.986962][ T8776] ? do_syscall_64+0x100/0x230 [ 410.991773][ T8776] ? __x64_sys_mount+0x20/0xc0 [ 410.996586][ T8776] do_syscall_64+0xf3/0x230 [ 411.001144][ T8776] ? clear_bhb_loop+0x35/0x90 [ 411.005874][ T8776] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 411.011827][ T8776] RIP: 0033:0x7f81e077b61a [ 411.016389][ T8776] 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 [ 411.036398][ T8776] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 411.044893][ T8776] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 411.053360][ T8776] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 411.061396][ T8776] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 411.070091][ T8776] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 411.078136][ T8776] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 411.086277][ T8776] [ 411.097095][ T8776] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 411.120893][ T8776] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 411.123366][ T8778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 411.178870][ T8778] CPU: 0 UID: 0 PID: 8778 Comm: syz.0.487 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 411.189566][ T8778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 411.199687][ T8778] Call Trace: [ 411.203024][ T8778] [ 411.206029][ T8778] dump_stack_lvl+0x241/0x360 [ 411.210766][ T8778] ? __pfx_dump_stack_lvl+0x10/0x10 [ 411.216012][ T8778] ? __pfx__printk+0x10/0x10 [ 411.220705][ T8778] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 411.226043][ T8778] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 411.231644][ T8778] sysfs_create_dir_ns+0x2ce/0x3a0 [ 411.236830][ T8778] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 411.242549][ T8778] kobject_add_internal+0x435/0x8d0 [ 411.247818][ T8778] kobject_init_and_add+0x124/0x190 [ 411.253164][ T8778] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 411.259127][ T8778] ? __pfx_kobject_init_and_add+0x10/0x10 [ 411.264908][ T8778] ? __init_swait_queue_head+0xae/0x150 [ 411.270889][ T8778] gfs2_sys_fs_add+0x23b/0x4a0 [ 411.275731][ T8778] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 411.281094][ T8778] ? __pfx_alloc_workqueue+0x10/0x10 [ 411.286884][ T8778] ? read_word_at_a_time+0xe/0x20 [ 411.291968][ T8778] ? sized_strscpy+0x8d/0x220 [ 411.296710][ T8778] gfs2_fill_super+0x11ee/0x24d0 [ 411.301828][ T8778] ? __pfx_gfs2_fill_super+0x10/0x10 [ 411.307702][ T8778] ? snprintf+0xda/0x120 [ 411.312000][ T8778] ? __pfx_lock_release+0x10/0x10 [ 411.317095][ T8778] ? do_raw_spin_lock+0x14f/0x370 [ 411.322172][ T8778] ? __pfx_snprintf+0x10/0x10 [ 411.326909][ T8778] ? sb_set_blocksize+0x98/0xf0 [ 411.331810][ T8778] ? setup_bdev_super+0x4e6/0x5d0 [ 411.336887][ T8778] get_tree_bdev+0x3f7/0x570 [ 411.341535][ T8778] ? __pfx_gfs2_fill_super+0x10/0x10 [ 411.346980][ T8778] ? __pfx_get_tree_bdev+0x10/0x10 [ 411.352250][ T8778] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 411.357963][ T8778] gfs2_get_tree+0x54/0x220 [ 411.362522][ T8778] vfs_get_tree+0x90/0x2b0 [ 411.367005][ T8778] do_new_mount+0x2be/0xb40 [ 411.371568][ T8778] ? __pfx_do_new_mount+0x10/0x10 [ 411.376664][ T8778] __se_sys_mount+0x2d6/0x3c0 [ 411.381584][ T8778] ? __pfx___se_sys_mount+0x10/0x10 [ 411.386862][ T8778] ? do_syscall_64+0x100/0x230 [ 411.391688][ T8778] ? __x64_sys_mount+0x20/0xc0 [ 411.396525][ T8778] do_syscall_64+0xf3/0x230 [ 411.401093][ T8778] ? clear_bhb_loop+0x35/0x90 [ 411.405865][ T8778] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 411.411819][ T8778] RIP: 0033:0x7f1bdcf7b61a [ 411.416277][ T8778] 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 [ 411.436105][ T8778] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 411.444749][ T8778] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 411.453126][ T8778] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 411.461331][ T8778] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 411.469437][ T8778] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 411.477893][ T8778] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 411.486018][ T8778] [ 411.506533][ T8778] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 411.527165][ T8778] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 412.406370][ T8792] loop3: detected capacity change from 0 to 32768 [ 412.452356][ T8792] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 412.479153][ T8792] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 412.652829][ T8794] loop1: detected capacity change from 0 to 32768 [ 412.735338][ T8800] loop0: detected capacity change from 0 to 32768 [ 412.758812][ T8792] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 412.772992][ T8794] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 412.780657][ T8794] CPU: 0 UID: 0 PID: 8794 Comm: syz.1.490 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 412.791401][ T8794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 412.801516][ T8794] Call Trace: [ 412.804938][ T8794] [ 412.806387][ T1187] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 412.807996][ T8794] dump_stack_lvl+0x241/0x360 [ 412.808035][ T8794] ? __pfx_dump_stack_lvl+0x10/0x10 [ 412.808062][ T8794] ? __pfx__printk+0x10/0x10 [ 412.808088][ T8794] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 412.815333][ T1187] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 412.819696][ T8794] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 412.819732][ T8794] sysfs_create_dir_ns+0x2ce/0x3a0 [ 412.819760][ T8794] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 412.819794][ T8794] kobject_add_internal+0x435/0x8d0 [ 412.863189][ T8794] kobject_init_and_add+0x124/0x190 [ 412.868444][ T8794] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 412.874486][ T8794] ? __pfx_kobject_init_and_add+0x10/0x10 [ 412.880283][ T8794] ? __init_swait_queue_head+0xae/0x150 [ 412.885884][ T8794] gfs2_sys_fs_add+0x23b/0x4a0 [ 412.890700][ T8794] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 412.896044][ T8794] ? __pfx_alloc_workqueue+0x10/0x10 [ 412.901380][ T8794] ? read_word_at_a_time+0xe/0x20 [ 412.906449][ T8794] ? sized_strscpy+0x8d/0x220 [ 412.911260][ T8794] gfs2_fill_super+0x11ee/0x24d0 [ 412.916280][ T8794] ? __pfx_gfs2_fill_super+0x10/0x10 [ 412.921618][ T8794] ? snprintf+0xda/0x120 [ 412.925909][ T8794] ? __pfx_lock_release+0x10/0x10 [ 412.930997][ T8794] ? do_raw_spin_lock+0x14f/0x370 [ 412.936079][ T8794] ? __pfx_snprintf+0x10/0x10 [ 412.940830][ T8794] ? sb_set_blocksize+0x98/0xf0 [ 412.945724][ T8794] ? setup_bdev_super+0x4e6/0x5d0 [ 412.950825][ T8794] get_tree_bdev+0x3f7/0x570 [ 412.955551][ T8794] ? __pfx_gfs2_fill_super+0x10/0x10 [ 412.960898][ T8794] ? __pfx_get_tree_bdev+0x10/0x10 [ 412.966149][ T8794] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 412.971843][ T8794] gfs2_get_tree+0x54/0x220 [ 412.976399][ T8794] vfs_get_tree+0x90/0x2b0 [ 412.980862][ T8794] do_new_mount+0x2be/0xb40 [ 412.985436][ T8794] ? __pfx_do_new_mount+0x10/0x10 [ 412.990523][ T8794] __se_sys_mount+0x2d6/0x3c0 [ 412.995255][ T8794] ? __pfx___se_sys_mount+0x10/0x10 [ 413.000606][ T8794] ? do_syscall_64+0x100/0x230 [ 413.005417][ T8794] ? __x64_sys_mount+0x20/0xc0 [ 413.010276][ T8794] do_syscall_64+0xf3/0x230 [ 413.014834][ T8794] ? clear_bhb_loop+0x35/0x90 [ 413.019561][ T8794] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 413.025503][ T8794] RIP: 0033:0x7f5668b7b61a [ 413.029957][ T8794] 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 [ 413.049703][ T8794] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 413.058255][ T8794] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 413.066266][ T8794] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 413.074278][ T8794] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 413.082288][ T8794] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 413.083920][ T8796] loop4: detected capacity change from 0 to 32768 [ 413.090271][ T8794] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 413.090310][ T8794] [ 413.130750][ T8798] loop2: detected capacity change from 0 to 32768 [ 413.138354][ T8800] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 413.140006][ T1187] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 324ms [ 413.145844][ T8800] CPU: 0 UID: 0 PID: 8800 Comm: syz.0.492 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 413.145874][ T8800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.145889][ T8800] Call Trace: [ 413.175798][ T1187] gfs2: fsid=syz:syz.0: jid=0: Done [ 413.177717][ T8800] [ 413.177733][ T8800] dump_stack_lvl+0x241/0x360 [ 413.190879][ T8800] ? __pfx_dump_stack_lvl+0x10/0x10 [ 413.196245][ T8800] ? __pfx__printk+0x10/0x10 [ 413.200890][ T8800] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 413.206343][ T8800] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 413.211947][ T8800] sysfs_create_dir_ns+0x2ce/0x3a0 [ 413.216305][ T8792] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 413.217174][ T8800] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 413.229913][ T8794] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 413.230252][ T8800] kobject_add_internal+0x435/0x8d0 [ 413.245452][ T8794] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 413.249320][ T8800] kobject_init_and_add+0x124/0x190 [ 413.249355][ T8800] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 413.249391][ T8800] ? __pfx_kobject_init_and_add+0x10/0x10 [ 413.273094][ T8800] ? __init_swait_queue_head+0xae/0x150 [ 413.278702][ T8800] gfs2_sys_fs_add+0x23b/0x4a0 [ 413.283531][ T8800] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 413.288967][ T8800] ? __pfx_alloc_workqueue+0x10/0x10 [ 413.294297][ T8800] ? read_word_at_a_time+0xe/0x20 [ 413.299719][ T8800] ? sized_strscpy+0x8d/0x220 [ 413.304450][ T8800] gfs2_fill_super+0x11ee/0x24d0 [ 413.309471][ T8800] ? __pfx_gfs2_fill_super+0x10/0x10 [ 413.314813][ T8800] ? snprintf+0xda/0x120 [ 413.319110][ T8800] ? __pfx_lock_release+0x10/0x10 [ 413.324195][ T8800] ? do_raw_spin_lock+0x14f/0x370 [ 413.329370][ T8800] ? __pfx_snprintf+0x10/0x10 [ 413.334197][ T8800] ? sb_set_blocksize+0x98/0xf0 [ 413.339098][ T8800] ? setup_bdev_super+0x4e6/0x5d0 [ 413.344179][ T8800] get_tree_bdev+0x3f7/0x570 [ 413.346910][ T8796] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 413.348913][ T8800] ? __pfx_gfs2_fill_super+0x10/0x10 [ 413.348951][ T8800] ? __pfx_get_tree_bdev+0x10/0x10 [ 413.348983][ T8800] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 413.349018][ T8800] gfs2_get_tree+0x54/0x220 [ 413.349054][ T8800] vfs_get_tree+0x90/0x2b0 [ 413.349086][ T8800] do_new_mount+0x2be/0xb40 [ 413.386449][ T8800] ? __pfx_do_new_mount+0x10/0x10 [ 413.391829][ T8800] __se_sys_mount+0x2d6/0x3c0 [ 413.396562][ T8800] ? __pfx___se_sys_mount+0x10/0x10 [ 413.401812][ T8800] ? do_syscall_64+0x100/0x230 [ 413.406619][ T8800] ? __x64_sys_mount+0x20/0xc0 [ 413.411423][ T8800] do_syscall_64+0xf3/0x230 [ 413.415947][ T8800] ? clear_bhb_loop+0x35/0x90 [ 413.420757][ T8800] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 413.426791][ T8800] RIP: 0033:0x7f1bdcf7b61a [ 413.431243][ T8800] 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 [ 413.450888][ T8800] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 413.459527][ T8800] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 413.467528][ T8800] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 413.475546][ T8800] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 413.483575][ T8800] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 413.491587][ T8800] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 413.499613][ T8800] [ 413.508817][ T8796] CPU: 1 UID: 0 PID: 8796 Comm: syz.4.491 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 413.513911][ T8800] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 413.519447][ T8796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.519466][ T8796] Call Trace: [ 413.519475][ T8796] [ 413.519486][ T8796] dump_stack_lvl+0x241/0x360 [ 413.519523][ T8796] ? __pfx_dump_stack_lvl+0x10/0x10 [ 413.533588][ T8800] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 413.543540][ T8796] ? __pfx__printk+0x10/0x10 [ 413.543572][ T8796] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 413.576571][ T8796] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 413.582261][ T8796] sysfs_create_dir_ns+0x2ce/0x3a0 [ 413.587414][ T8796] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 413.593092][ T8796] kobject_add_internal+0x435/0x8d0 [ 413.598523][ T8796] kobject_init_and_add+0x124/0x190 [ 413.603772][ T8796] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 413.609644][ T8796] ? __pfx_kobject_init_and_add+0x10/0x10 [ 413.615858][ T8796] ? __init_swait_queue_head+0xae/0x150 [ 413.621461][ T8796] gfs2_sys_fs_add+0x23b/0x4a0 [ 413.626366][ T8796] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 413.631704][ T8796] ? __pfx_alloc_workqueue+0x10/0x10 [ 413.637051][ T8796] ? read_word_at_a_time+0xe/0x20 [ 413.642208][ T8796] ? sized_strscpy+0x8d/0x220 [ 413.646938][ T8796] gfs2_fill_super+0x11ee/0x24d0 [ 413.652137][ T8796] ? __pfx_gfs2_fill_super+0x10/0x10 [ 413.657480][ T8796] ? snprintf+0xda/0x120 [ 413.662141][ T8796] ? __pfx_lock_release+0x10/0x10 [ 413.665373][ T8798] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 413.667197][ T8796] ? do_raw_spin_lock+0x14f/0x370 [ 413.679977][ T8796] ? __pfx_snprintf+0x10/0x10 [ 413.684718][ T8796] ? sb_set_blocksize+0x98/0xf0 [ 413.689703][ T8796] ? setup_bdev_super+0x4e6/0x5d0 [ 413.694768][ T8796] get_tree_bdev+0x3f7/0x570 [ 413.699390][ T8796] ? __pfx_gfs2_fill_super+0x10/0x10 [ 413.704874][ T8796] ? __pfx_get_tree_bdev+0x10/0x10 [ 413.710194][ T8796] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 413.715886][ T8796] gfs2_get_tree+0x54/0x220 [ 413.720447][ T8796] vfs_get_tree+0x90/0x2b0 [ 413.725096][ T8796] do_new_mount+0x2be/0xb40 [ 413.729656][ T8796] ? __pfx_do_new_mount+0x10/0x10 [ 413.734829][ T8796] __se_sys_mount+0x2d6/0x3c0 [ 413.739574][ T8796] ? __pfx___se_sys_mount+0x10/0x10 [ 413.744831][ T8796] ? do_syscall_64+0x100/0x230 [ 413.749711][ T8796] ? __x64_sys_mount+0x20/0xc0 [ 413.754519][ T8796] do_syscall_64+0xf3/0x230 [ 413.759088][ T8796] ? clear_bhb_loop+0x35/0x90 [ 413.763804][ T8796] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 413.769926][ T8796] RIP: 0033:0x7f81e077b61a [ 413.774510][ T8796] 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 [ 413.794350][ T8796] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 413.802801][ T8796] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 413.810996][ T8796] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 413.819000][ T8796] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 413.827008][ T8796] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 413.835019][ T8796] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 413.843039][ T8796] [ 413.846245][ T8798] CPU: 0 UID: 0 PID: 8798 Comm: syz.2.488 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 413.856980][ T8798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 413.867078][ T8798] Call Trace: [ 413.870754][ T8798] [ 413.873745][ T8798] dump_stack_lvl+0x241/0x360 [ 413.878483][ T8798] ? __pfx_dump_stack_lvl+0x10/0x10 [ 413.883733][ T8798] ? __pfx__printk+0x10/0x10 [ 413.888436][ T8798] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 413.893928][ T8798] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 413.899489][ T8798] sysfs_create_dir_ns+0x2ce/0x3a0 [ 413.904617][ T8798] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 413.910620][ T8798] kobject_add_internal+0x435/0x8d0 [ 413.915843][ T8798] kobject_init_and_add+0x124/0x190 [ 413.921055][ T8798] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 413.927062][ T8798] ? __pfx_kobject_init_and_add+0x10/0x10 [ 413.932805][ T8798] ? __init_swait_queue_head+0xae/0x150 [ 413.938375][ T8798] gfs2_sys_fs_add+0x23b/0x4a0 [ 413.943161][ T8798] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 413.948465][ T8798] ? __pfx_alloc_workqueue+0x10/0x10 [ 413.953766][ T8798] ? read_word_at_a_time+0xe/0x20 [ 413.958801][ T8798] ? sized_strscpy+0x8d/0x220 [ 413.963492][ T8798] gfs2_fill_super+0x11ee/0x24d0 [ 413.968468][ T8798] ? __pfx_gfs2_fill_super+0x10/0x10 [ 413.973779][ T8798] ? snprintf+0xda/0x120 [ 413.978038][ T8798] ? __pfx_lock_release+0x10/0x10 [ 413.983078][ T8798] ? do_raw_spin_lock+0x14f/0x370 [ 413.988116][ T8798] ? __pfx_snprintf+0x10/0x10 [ 413.992813][ T8798] ? sb_set_blocksize+0x98/0xf0 [ 413.997676][ T8798] ? setup_bdev_super+0x4e6/0x5d0 [ 414.002895][ T8798] get_tree_bdev+0x3f7/0x570 [ 414.007509][ T8798] ? __pfx_gfs2_fill_super+0x10/0x10 [ 414.012896][ T8798] ? __pfx_get_tree_bdev+0x10/0x10 [ 414.018024][ T8798] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 414.023673][ T8798] gfs2_get_tree+0x54/0x220 [ 414.028201][ T8798] vfs_get_tree+0x90/0x2b0 [ 414.032727][ T8798] do_new_mount+0x2be/0xb40 [ 414.037252][ T8798] ? __pfx_do_new_mount+0x10/0x10 [ 414.042314][ T8798] __se_sys_mount+0x2d6/0x3c0 [ 414.047013][ T8798] ? __pfx___se_sys_mount+0x10/0x10 [ 414.052231][ T8798] ? do_syscall_64+0x100/0x230 [ 414.057095][ T8798] ? __x64_sys_mount+0x20/0xc0 [ 414.061877][ T8798] do_syscall_64+0xf3/0x230 [ 414.066390][ T8798] ? clear_bhb_loop+0x35/0x90 [ 414.071082][ T8798] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 414.076994][ T8798] RIP: 0033:0x7f9d6317b61a [ 414.081423][ T8798] 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 [ 414.101043][ T8798] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 414.109473][ T8798] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 414.117452][ T8798] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 414.125431][ T8798] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 414.133415][ T8798] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 414.141418][ T8798] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 414.149412][ T8798] [ 414.154514][ T8796] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 414.187969][ T8798] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 414.262375][ T8796] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 414.316195][ T8798] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 415.438343][ T8814] loop0: detected capacity change from 0 to 32768 [ 415.479641][ T8814] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 415.492731][ T8814] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 415.507228][ T8814] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 415.517016][ T25] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 415.524408][ T25] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 415.663195][ T25] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 138ms [ 415.695279][ T25] gfs2: fsid=syz:syz.0: jid=0: Done [ 415.717959][ T8814] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 415.839090][ T8816] loop1: detected capacity change from 0 to 32768 [ 415.896254][ T8816] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 415.963410][ T8819] loop3: detected capacity change from 0 to 32768 [ 415.971325][ T8816] CPU: 0 UID: 0 PID: 8816 Comm: syz.1.495 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 415.981984][ T8816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 415.992612][ T8816] Call Trace: [ 415.996195][ T8816] [ 415.999170][ T8816] dump_stack_lvl+0x241/0x360 [ 416.003898][ T8816] ? __pfx_dump_stack_lvl+0x10/0x10 [ 416.009146][ T8816] ? __pfx__printk+0x10/0x10 [ 416.013874][ T8816] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 416.019208][ T8816] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 416.024812][ T8816] sysfs_create_dir_ns+0x2ce/0x3a0 [ 416.029976][ T8816] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 416.035848][ T8816] kobject_add_internal+0x435/0x8d0 [ 416.041103][ T8816] kobject_init_and_add+0x124/0x190 [ 416.046344][ T8816] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 416.052472][ T8816] ? __pfx_kobject_init_and_add+0x10/0x10 [ 416.055312][ T8822] loop2: detected capacity change from 0 to 32768 [ 416.058253][ T8816] ? __init_swait_queue_head+0xae/0x150 [ 416.058293][ T8816] gfs2_sys_fs_add+0x23b/0x4a0 [ 416.058321][ T8816] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 416.058356][ T8816] ? __pfx_alloc_workqueue+0x10/0x10 [ 416.085893][ T8816] ? read_word_at_a_time+0xe/0x20 [ 416.090969][ T8816] ? sized_strscpy+0x8d/0x220 [ 416.095670][ T8816] gfs2_fill_super+0x11ee/0x24d0 [ 416.100651][ T8816] ? __pfx_gfs2_fill_super+0x10/0x10 [ 416.105962][ T8816] ? snprintf+0xda/0x120 [ 416.110322][ T8816] ? __pfx_lock_release+0x10/0x10 [ 416.115366][ T8816] ? do_raw_spin_lock+0x14f/0x370 [ 416.120420][ T8816] ? __pfx_snprintf+0x10/0x10 [ 416.125118][ T8816] ? sb_set_blocksize+0x98/0xf0 [ 416.129998][ T8816] ? setup_bdev_super+0x4e6/0x5d0 [ 416.135045][ T8816] get_tree_bdev+0x3f7/0x570 [ 416.139676][ T8816] ? __pfx_gfs2_fill_super+0x10/0x10 [ 416.144983][ T8816] ? __pfx_get_tree_bdev+0x10/0x10 [ 416.150118][ T8816] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 416.155961][ T8816] gfs2_get_tree+0x54/0x220 [ 416.160484][ T8816] vfs_get_tree+0x90/0x2b0 [ 416.164923][ T8816] do_new_mount+0x2be/0xb40 [ 416.169474][ T8816] ? __pfx_do_new_mount+0x10/0x10 [ 416.174617][ T8816] __se_sys_mount+0x2d6/0x3c0 [ 416.179318][ T8816] ? __pfx___se_sys_mount+0x10/0x10 [ 416.184975][ T8816] ? do_syscall_64+0x100/0x230 [ 416.189757][ T8816] ? __x64_sys_mount+0x20/0xc0 [ 416.194661][ T8816] do_syscall_64+0xf3/0x230 [ 416.199198][ T8816] ? clear_bhb_loop+0x35/0x90 [ 416.203891][ T8816] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 416.209813][ T8816] RIP: 0033:0x7f5668b7b61a [ 416.214244][ T8816] 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 [ 416.233989][ T8816] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 416.242453][ T8816] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 416.250444][ T8816] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 416.258431][ T8816] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 416.266416][ T8816] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 416.274397][ T8816] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 416.282483][ T8816] [ 416.287884][ T8816] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 416.307006][ T8816] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 416.397689][ T8822] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 416.405631][ T8822] CPU: 1 UID: 0 PID: 8822 Comm: syz.2.497 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 416.416305][ T8822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.426510][ T8822] Call Trace: [ 416.428792][ T8819] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 416.429899][ T8822] [ 416.429915][ T8822] dump_stack_lvl+0x241/0x360 [ 416.429950][ T8822] ? __pfx_dump_stack_lvl+0x10/0x10 [ 416.450206][ T8822] ? __pfx__printk+0x10/0x10 [ 416.454830][ T8822] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 416.460159][ T8822] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 416.465770][ T8822] sysfs_create_dir_ns+0x2ce/0x3a0 [ 416.470925][ T8822] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 416.476665][ T8822] kobject_add_internal+0x435/0x8d0 [ 416.481895][ T8822] kobject_init_and_add+0x124/0x190 [ 416.487112][ T8822] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 416.492945][ T8822] ? __pfx_kobject_init_and_add+0x10/0x10 [ 416.498695][ T8822] ? __init_swait_queue_head+0xae/0x150 [ 416.504274][ T8822] gfs2_sys_fs_add+0x23b/0x4a0 [ 416.509061][ T8822] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 416.514464][ T8822] ? __pfx_alloc_workqueue+0x10/0x10 [ 416.519786][ T8822] ? read_word_at_a_time+0xe/0x20 [ 416.524834][ T8822] ? sized_strscpy+0x8d/0x220 [ 416.529538][ T8822] gfs2_fill_super+0x11ee/0x24d0 [ 416.534689][ T8822] ? __pfx_gfs2_fill_super+0x10/0x10 [ 416.540007][ T8822] ? snprintf+0xda/0x120 [ 416.544529][ T8822] ? __pfx_lock_release+0x10/0x10 [ 416.549595][ T8822] ? do_raw_spin_lock+0x14f/0x370 [ 416.554816][ T8822] ? __pfx_snprintf+0x10/0x10 [ 416.559521][ T8822] ? sb_set_blocksize+0x98/0xf0 [ 416.564412][ T8822] ? setup_bdev_super+0x4e6/0x5d0 [ 416.569460][ T8822] get_tree_bdev+0x3f7/0x570 [ 416.574072][ T8822] ? __pfx_gfs2_fill_super+0x10/0x10 [ 416.579550][ T8822] ? __pfx_get_tree_bdev+0x10/0x10 [ 416.584694][ T8822] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 416.590444][ T8822] gfs2_get_tree+0x54/0x220 [ 416.594975][ T8822] vfs_get_tree+0x90/0x2b0 [ 416.599415][ T8822] do_new_mount+0x2be/0xb40 [ 416.604127][ T8822] ? __pfx_do_new_mount+0x10/0x10 [ 416.609181][ T8822] __se_sys_mount+0x2d6/0x3c0 [ 416.614255][ T8822] ? __pfx___se_sys_mount+0x10/0x10 [ 416.619764][ T8822] ? do_syscall_64+0x100/0x230 [ 416.624672][ T8822] ? __x64_sys_mount+0x20/0xc0 [ 416.629487][ T8822] do_syscall_64+0xf3/0x230 [ 416.634038][ T8822] ? clear_bhb_loop+0x35/0x90 [ 416.638798][ T8822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 416.644719][ T8822] RIP: 0033:0x7f9d6317b61a [ 416.649152][ T8822] 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 [ 416.668952][ T8822] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 416.677480][ T8822] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 416.685476][ T8822] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 416.693587][ T8822] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 416.701574][ T8822] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 416.709560][ T8822] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 416.717570][ T8822] [ 416.720808][ T8819] CPU: 0 UID: 0 PID: 8819 Comm: syz.3.493 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 416.731456][ T8819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 416.741716][ T8819] Call Trace: [ 416.745012][ T8819] [ 416.747959][ T8819] dump_stack_lvl+0x241/0x360 [ 416.752652][ T8819] ? __pfx_dump_stack_lvl+0x10/0x10 [ 416.757865][ T8819] ? __pfx__printk+0x10/0x10 [ 416.762470][ T8819] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 416.767776][ T8819] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 416.773525][ T8819] sysfs_create_dir_ns+0x2ce/0x3a0 [ 416.778655][ T8819] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 416.784403][ T8819] kobject_add_internal+0x435/0x8d0 [ 416.789629][ T8819] kobject_init_and_add+0x124/0x190 [ 416.794864][ T8819] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 416.800809][ T8819] ? __pfx_kobject_init_and_add+0x10/0x10 [ 416.806575][ T8819] ? __init_swait_queue_head+0xae/0x150 [ 416.812242][ T8819] gfs2_sys_fs_add+0x23b/0x4a0 [ 416.817072][ T8819] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 416.822382][ T8819] ? __pfx_alloc_workqueue+0x10/0x10 [ 416.827786][ T8819] ? read_word_at_a_time+0xe/0x20 [ 416.832933][ T8819] ? sized_strscpy+0x8d/0x220 [ 416.837627][ T8819] gfs2_fill_super+0x11ee/0x24d0 [ 416.842636][ T8819] ? __pfx_gfs2_fill_super+0x10/0x10 [ 416.848158][ T8819] ? snprintf+0xda/0x120 [ 416.852549][ T8819] ? __pfx_lock_release+0x10/0x10 [ 416.857613][ T8819] ? do_raw_spin_lock+0x14f/0x370 [ 416.862729][ T8819] ? __pfx_snprintf+0x10/0x10 [ 416.867439][ T8819] ? sb_set_blocksize+0x98/0xf0 [ 416.872330][ T8819] ? setup_bdev_super+0x4e6/0x5d0 [ 416.877394][ T8819] get_tree_bdev+0x3f7/0x570 [ 416.882021][ T8819] ? __pfx_gfs2_fill_super+0x10/0x10 [ 416.887337][ T8819] ? __pfx_get_tree_bdev+0x10/0x10 [ 416.892482][ T8819] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 416.898147][ T8819] gfs2_get_tree+0x54/0x220 [ 416.902705][ T8819] vfs_get_tree+0x90/0x2b0 [ 416.907186][ T8819] do_new_mount+0x2be/0xb40 [ 416.911721][ T8819] ? __pfx_do_new_mount+0x10/0x10 [ 416.916772][ T8819] __se_sys_mount+0x2d6/0x3c0 [ 416.921475][ T8819] ? __pfx___se_sys_mount+0x10/0x10 [ 416.926699][ T8819] ? do_syscall_64+0x100/0x230 [ 416.931512][ T8819] ? __x64_sys_mount+0x20/0xc0 [ 416.936301][ T8819] do_syscall_64+0xf3/0x230 [ 416.940821][ T8819] ? clear_bhb_loop+0x35/0x90 [ 416.945515][ T8819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 416.951547][ T8819] RIP: 0033:0x7fb3b7d7b61a [ 416.955992][ T8819] 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 [ 416.975790][ T8819] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 416.984228][ T8819] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 416.992386][ T8819] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 417.000438][ T8819] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 417.008697][ T8819] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 417.016872][ T8819] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 417.024968][ T8819] [ 417.028621][ T8819] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 417.043605][ T8819] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 417.048761][ T8822] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 417.064753][ T8822] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 417.112013][ T8820] loop4: detected capacity change from 0 to 32768 [ 417.122148][ T8820] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 417.138639][ T8820] CPU: 1 UID: 0 PID: 8820 Comm: syz.4.496 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 417.149327][ T8820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 2024/10/16 08:13:22 executed programs: 493 [ 417.159433][ T8820] Call Trace: [ 417.162763][ T8820] [ 417.165777][ T8820] dump_stack_lvl+0x241/0x360 [ 417.170506][ T8820] ? __pfx_dump_stack_lvl+0x10/0x10 [ 417.175740][ T8820] ? __pfx__printk+0x10/0x10 [ 417.180468][ T8820] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 417.185820][ T8820] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 417.191420][ T8820] sysfs_create_dir_ns+0x2ce/0x3a0 [ 417.196667][ T8820] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 417.202439][ T8820] kobject_add_internal+0x435/0x8d0 [ 417.207697][ T8820] kobject_init_and_add+0x124/0x190 [ 417.212933][ T8820] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 417.218812][ T8820] ? __pfx_kobject_init_and_add+0x10/0x10 [ 417.224636][ T8820] ? __init_swait_queue_head+0xae/0x150 [ 417.230219][ T8820] gfs2_sys_fs_add+0x23b/0x4a0 [ 417.235012][ T8820] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 417.240687][ T8820] ? __pfx_alloc_workqueue+0x10/0x10 [ 417.246263][ T8820] ? read_word_at_a_time+0xe/0x20 [ 417.251649][ T8820] ? sized_strscpy+0x8d/0x220 [ 417.256368][ T8820] gfs2_fill_super+0x11ee/0x24d0 [ 417.261463][ T8820] ? __pfx_gfs2_fill_super+0x10/0x10 [ 417.266783][ T8820] ? snprintf+0xda/0x120 [ 417.271055][ T8820] ? __pfx_lock_release+0x10/0x10 [ 417.276098][ T8820] ? do_raw_spin_lock+0x14f/0x370 [ 417.281149][ T8820] ? __pfx_snprintf+0x10/0x10 [ 417.285885][ T8820] ? sb_set_blocksize+0x98/0xf0 [ 417.290950][ T8820] ? setup_bdev_super+0x4e6/0x5d0 [ 417.296004][ T8820] get_tree_bdev+0x3f7/0x570 [ 417.300620][ T8820] ? __pfx_gfs2_fill_super+0x10/0x10 [ 417.306012][ T8820] ? __pfx_get_tree_bdev+0x10/0x10 [ 417.311145][ T8820] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 417.316804][ T8820] gfs2_get_tree+0x54/0x220 [ 417.321505][ T8820] vfs_get_tree+0x90/0x2b0 [ 417.325947][ T8820] do_new_mount+0x2be/0xb40 [ 417.330484][ T8820] ? __pfx_do_new_mount+0x10/0x10 [ 417.335626][ T8820] __se_sys_mount+0x2d6/0x3c0 [ 417.340507][ T8820] ? __pfx___se_sys_mount+0x10/0x10 [ 417.345924][ T8820] ? do_syscall_64+0x100/0x230 [ 417.350726][ T8820] ? __x64_sys_mount+0x20/0xc0 [ 417.355690][ T8820] do_syscall_64+0xf3/0x230 [ 417.360414][ T8820] ? clear_bhb_loop+0x35/0x90 [ 417.365105][ T8820] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 417.371022][ T8820] RIP: 0033:0x7f81e077b61a [ 417.375451][ T8820] 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 [ 417.395332][ T8820] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 417.403859][ T8820] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 417.411840][ T8820] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 417.419910][ T8820] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 417.427982][ T8820] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 417.435964][ T8820] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 417.444339][ T8820] [ 417.461120][ T8820] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 417.476035][ T8820] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 418.099426][ T8840] loop1: detected capacity change from 0 to 32768 [ 418.413083][ T8840] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 418.421674][ T8840] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 418.464062][ T8840] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 418.499682][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 418.507123][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 418.588498][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 81ms [ 418.596191][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 418.627881][ T8840] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 418.809737][ T8839] loop4: detected capacity change from 0 to 32768 [ 418.880626][ T8839] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 418.901009][ T8839] CPU: 0 UID: 0 PID: 8839 Comm: syz.4.501 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 418.911979][ T8839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 418.922090][ T8839] Call Trace: [ 418.925555][ T8839] [ 418.928708][ T8839] dump_stack_lvl+0x241/0x360 [ 418.933447][ T8839] ? __pfx_dump_stack_lvl+0x10/0x10 [ 418.938705][ T8839] ? __pfx__printk+0x10/0x10 [ 418.943350][ T8839] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 418.948863][ T8839] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 418.954456][ T8839] sysfs_create_dir_ns+0x2ce/0x3a0 [ 418.959595][ T8839] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 418.965258][ T8839] kobject_add_internal+0x435/0x8d0 [ 418.970568][ T8839] kobject_init_and_add+0x124/0x190 [ 418.975791][ T8839] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 418.981767][ T8839] ? __pfx_kobject_init_and_add+0x10/0x10 [ 418.987509][ T8839] ? __init_swait_queue_head+0xae/0x150 [ 418.993261][ T8839] gfs2_sys_fs_add+0x23b/0x4a0 [ 418.998138][ T8839] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 419.003474][ T8839] ? __pfx_alloc_workqueue+0x10/0x10 [ 419.008867][ T8839] ? read_word_at_a_time+0xe/0x20 [ 419.013927][ T8839] ? sized_strscpy+0x8d/0x220 [ 419.018651][ T8839] gfs2_fill_super+0x11ee/0x24d0 [ 419.023624][ T8839] ? __pfx_gfs2_fill_super+0x10/0x10 [ 419.028950][ T8839] ? snprintf+0xda/0x120 [ 419.033208][ T8839] ? __pfx_lock_release+0x10/0x10 [ 419.038250][ T8839] ? do_raw_spin_lock+0x14f/0x370 [ 419.043296][ T8839] ? __pfx_snprintf+0x10/0x10 [ 419.047995][ T8839] ? sb_set_blocksize+0x98/0xf0 [ 419.052868][ T8839] ? setup_bdev_super+0x4e6/0x5d0 [ 419.057910][ T8839] get_tree_bdev+0x3f7/0x570 [ 419.062816][ T8839] ? __pfx_gfs2_fill_super+0x10/0x10 [ 419.068148][ T8839] ? __pfx_get_tree_bdev+0x10/0x10 [ 419.073314][ T8839] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 419.079324][ T8839] gfs2_get_tree+0x54/0x220 [ 419.083939][ T8839] vfs_get_tree+0x90/0x2b0 [ 419.088548][ T8839] do_new_mount+0x2be/0xb40 [ 419.093090][ T8839] ? __pfx_do_new_mount+0x10/0x10 [ 419.098231][ T8839] __se_sys_mount+0x2d6/0x3c0 [ 419.102940][ T8839] ? __pfx___se_sys_mount+0x10/0x10 [ 419.108246][ T8839] ? do_syscall_64+0x100/0x230 [ 419.113029][ T8839] ? __x64_sys_mount+0x20/0xc0 [ 419.117898][ T8839] do_syscall_64+0xf3/0x230 [ 419.122414][ T8839] ? clear_bhb_loop+0x35/0x90 [ 419.127117][ T8839] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 419.133033][ T8839] RIP: 0033:0x7f81e077b61a [ 419.137460][ T8839] 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 [ 419.157195][ T8839] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 419.165642][ T8839] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 419.173798][ T8839] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 419.181973][ T8839] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 419.190256][ T8839] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 419.198351][ T8839] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 419.206352][ T8839] [ 419.279813][ T8839] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 419.399738][ T8839] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 419.512139][ T8836] loop3: detected capacity change from 0 to 32768 [ 419.565635][ T8836] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 419.647614][ T8836] CPU: 1 UID: 0 PID: 8836 Comm: syz.3.500 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 419.658609][ T8836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.668727][ T8836] Call Trace: [ 419.672044][ T8836] [ 419.675008][ T8836] dump_stack_lvl+0x241/0x360 [ 419.679747][ T8836] ? __pfx_dump_stack_lvl+0x10/0x10 [ 419.684993][ T8836] ? __pfx__printk+0x10/0x10 [ 419.689625][ T8836] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 419.689756][ T8844] loop0: detected capacity change from 0 to 32768 [ 419.694938][ T8836] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 419.694972][ T8836] sysfs_create_dir_ns+0x2ce/0x3a0 [ 419.694999][ T8836] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 419.695034][ T8836] kobject_add_internal+0x435/0x8d0 [ 419.695070][ T8836] kobject_init_and_add+0x124/0x190 [ 419.695095][ T8836] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 419.695133][ T8836] ? __pfx_kobject_init_and_add+0x10/0x10 [ 419.695166][ T8836] ? __init_swait_queue_head+0xae/0x150 [ 419.695202][ T8836] gfs2_sys_fs_add+0x23b/0x4a0 [ 419.695233][ T8836] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 419.695269][ T8836] ? __pfx_alloc_workqueue+0x10/0x10 [ 419.695301][ T8836] ? read_word_at_a_time+0xe/0x20 [ 419.695325][ T8836] ? sized_strscpy+0x8d/0x220 [ 419.695353][ T8836] gfs2_fill_super+0x11ee/0x24d0 [ 419.695406][ T8836] ? __pfx_gfs2_fill_super+0x10/0x10 [ 419.695434][ T8836] ? snprintf+0xda/0x120 [ 419.695461][ T8836] ? __pfx_lock_release+0x10/0x10 [ 419.695489][ T8836] ? do_raw_spin_lock+0x14f/0x370 [ 419.695520][ T8836] ? __pfx_snprintf+0x10/0x10 [ 419.695558][ T8836] ? sb_set_blocksize+0x98/0xf0 [ 419.695586][ T8836] ? setup_bdev_super+0x4e6/0x5d0 [ 419.695621][ T8836] get_tree_bdev+0x3f7/0x570 [ 419.695654][ T8836] ? __pfx_gfs2_fill_super+0x10/0x10 [ 419.695700][ T8836] ? __pfx_get_tree_bdev+0x10/0x10 [ 419.695734][ T8836] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 419.695769][ T8836] gfs2_get_tree+0x54/0x220 [ 419.712893][ T8844] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 419.718611][ T8836] vfs_get_tree+0x90/0x2b0 [ 419.718653][ T8836] do_new_mount+0x2be/0xb40 [ 419.853098][ T8836] ? __pfx_do_new_mount+0x10/0x10 [ 419.858460][ T8836] __se_sys_mount+0x2d6/0x3c0 [ 419.863196][ T8836] ? __pfx___se_sys_mount+0x10/0x10 [ 419.868452][ T8836] ? do_syscall_64+0x100/0x230 [ 419.873269][ T8836] ? __x64_sys_mount+0x20/0xc0 [ 419.878089][ T8836] do_syscall_64+0xf3/0x230 [ 419.882692][ T8836] ? clear_bhb_loop+0x35/0x90 [ 419.887414][ T8836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 419.893355][ T8836] RIP: 0033:0x7fb3b7d7b61a [ 419.897814][ T8836] 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 [ 419.917551][ T8836] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 419.926190][ T8836] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 419.934193][ T8836] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 419.942270][ T8836] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 419.950274][ T8836] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 419.958285][ T8836] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 419.966322][ T8836] [ 419.969374][ T8844] CPU: 0 UID: 0 PID: 8844 Comm: syz.0.498 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 419.980018][ T8844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 419.990132][ T8844] Call Trace: [ 419.993540][ T8844] [ 419.996599][ T8844] dump_stack_lvl+0x241/0x360 [ 419.997032][ T8836] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 420.001309][ T8844] ? __pfx_dump_stack_lvl+0x10/0x10 [ 420.001337][ T8844] ? __pfx__printk+0x10/0x10 [ 420.001363][ T8844] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 420.001389][ T8844] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 420.001419][ T8844] sysfs_create_dir_ns+0x2ce/0x3a0 [ 420.001447][ T8844] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 420.001482][ T8844] kobject_add_internal+0x435/0x8d0 [ 420.001517][ T8844] kobject_init_and_add+0x124/0x190 [ 420.001543][ T8844] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 420.001581][ T8844] ? __pfx_kobject_init_and_add+0x10/0x10 [ 420.001614][ T8844] ? __init_swait_queue_head+0xae/0x150 [ 420.001650][ T8844] gfs2_sys_fs_add+0x23b/0x4a0 [ 420.001678][ T8844] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 420.001715][ T8844] ? __pfx_alloc_workqueue+0x10/0x10 [ 420.001747][ T8844] ? read_word_at_a_time+0xe/0x20 [ 420.001772][ T8844] ? sized_strscpy+0x8d/0x220 [ 420.001800][ T8844] gfs2_fill_super+0x11ee/0x24d0 [ 420.001856][ T8844] ? __pfx_gfs2_fill_super+0x10/0x10 [ 420.001897][ T8844] ? snprintf+0xda/0x120 [ 420.001931][ T8844] ? __pfx_lock_release+0x10/0x10 [ 420.001960][ T8844] ? do_raw_spin_lock+0x14f/0x370 [ 420.001993][ T8844] ? __pfx_snprintf+0x10/0x10 [ 420.002029][ T8844] ? sb_set_blocksize+0x98/0xf0 [ 420.002056][ T8844] ? setup_bdev_super+0x4e6/0x5d0 [ 420.002087][ T8844] get_tree_bdev+0x3f7/0x570 [ 420.002121][ T8844] ? __pfx_gfs2_fill_super+0x10/0x10 [ 420.002152][ T8844] ? __pfx_get_tree_bdev+0x10/0x10 [ 420.002183][ T8844] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 420.002216][ T8844] gfs2_get_tree+0x54/0x220 [ 420.002249][ T8844] vfs_get_tree+0x90/0x2b0 [ 420.002278][ T8844] do_new_mount+0x2be/0xb40 [ 420.002313][ T8844] ? __pfx_do_new_mount+0x10/0x10 [ 420.002354][ T8844] __se_sys_mount+0x2d6/0x3c0 [ 420.002392][ T8844] ? __pfx___se_sys_mount+0x10/0x10 [ 420.002425][ T8844] ? do_syscall_64+0x100/0x230 [ 420.002454][ T8844] ? __x64_sys_mount+0x20/0xc0 [ 420.002488][ T8844] do_syscall_64+0xf3/0x230 [ 420.002512][ T8844] ? clear_bhb_loop+0x35/0x90 [ 420.002538][ T8844] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 420.002571][ T8844] RIP: 0033:0x7f1bdcf7b61a [ 420.002595][ T8844] 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 [ 420.002615][ T8844] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 420.002645][ T8844] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 420.002663][ T8844] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 420.002680][ T8844] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 420.002697][ T8844] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 420.002713][ T8844] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 420.002748][ T8844] [ 420.016925][ T8836] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 420.200712][ T8844] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 420.200739][ T8844] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 420.680625][ T8842] loop2: detected capacity change from 0 to 32768 [ 420.749073][ T8842] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 420.757324][ T8842] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 420.801163][ T8842] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 420.850841][ T1187] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 420.857698][ T1187] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 421.035053][ T1187] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 177ms [ 421.058090][ T1187] gfs2: fsid=syz:syz.0: jid=0: Done [ 421.073633][ T8842] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 421.109775][ T8842] gfs2: fsid=syz:syz.0: can't create logd thread: -4 [ 421.570819][ T8857] loop4: detected capacity change from 0 to 32768 [ 421.710482][ T8860] loop1: detected capacity change from 0 to 32768 [ 421.722154][ T8864] loop3: detected capacity change from 0 to 32768 [ 421.876970][ T8858] loop0: detected capacity change from 0 to 32768 [ 421.914420][ T8860] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 421.926923][ T8860] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 421.970724][ T8860] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 421.978615][ T8864] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 421.986034][ T8864] CPU: 0 UID: 0 PID: 8864 Comm: syz.3.506 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 421.996668][ T8864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.006773][ T8864] Call Trace: [ 422.010095][ T8864] [ 422.013059][ T8864] dump_stack_lvl+0x241/0x360 [ 422.017786][ T8864] ? __pfx_dump_stack_lvl+0x10/0x10 [ 422.023024][ T8864] ? __pfx__printk+0x10/0x10 [ 422.027659][ T8864] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 422.032979][ T8864] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 422.038573][ T8864] sysfs_create_dir_ns+0x2ce/0x3a0 [ 422.043722][ T8864] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 422.049400][ T8864] kobject_add_internal+0x435/0x8d0 [ 422.054674][ T8864] kobject_init_and_add+0x124/0x190 [ 422.060002][ T8864] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 422.066115][ T8864] ? __pfx_kobject_init_and_add+0x10/0x10 [ 422.071901][ T8864] ? __init_swait_queue_head+0xae/0x150 [ 422.077508][ T8864] gfs2_sys_fs_add+0x23b/0x4a0 [ 422.082330][ T8864] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 422.087678][ T8864] ? __pfx_alloc_workqueue+0x10/0x10 [ 422.093102][ T8864] ? read_word_at_a_time+0xe/0x20 [ 422.098180][ T8864] ? sized_strscpy+0x8d/0x220 [ 422.102909][ T8864] gfs2_fill_super+0x11ee/0x24d0 [ 422.107921][ T8864] ? __pfx_gfs2_fill_super+0x10/0x10 [ 422.113259][ T8864] ? snprintf+0xda/0x120 [ 422.117556][ T8864] ? __pfx_lock_release+0x10/0x10 [ 422.122634][ T8864] ? do_raw_spin_lock+0x14f/0x370 [ 422.127717][ T8864] ? __pfx_snprintf+0x10/0x10 [ 422.132453][ T8864] ? sb_set_blocksize+0x98/0xf0 [ 422.137439][ T8864] ? setup_bdev_super+0x4e6/0x5d0 [ 422.142611][ T8864] get_tree_bdev+0x3f7/0x570 [ 422.147255][ T8864] ? __pfx_gfs2_fill_super+0x10/0x10 [ 422.152596][ T8864] ? __pfx_get_tree_bdev+0x10/0x10 [ 422.157760][ T8864] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 422.163442][ T8864] gfs2_get_tree+0x54/0x220 [ 422.168017][ T8864] vfs_get_tree+0x90/0x2b0 [ 422.172487][ T8864] do_new_mount+0x2be/0xb40 [ 422.177046][ T8864] ? __pfx_do_new_mount+0x10/0x10 [ 422.182145][ T8864] __se_sys_mount+0x2d6/0x3c0 [ 422.186902][ T8864] ? __pfx___se_sys_mount+0x10/0x10 [ 422.192258][ T8864] ? do_syscall_64+0x100/0x230 [ 422.197084][ T8864] ? __x64_sys_mount+0x20/0xc0 [ 422.201992][ T8864] do_syscall_64+0xf3/0x230 [ 422.206544][ T8864] ? clear_bhb_loop+0x35/0x90 [ 422.211274][ T8864] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 422.217235][ T8864] RIP: 0033:0x7fb3b7d7b61a [ 422.221707][ T8864] 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 [ 422.241472][ T8864] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 422.250217][ T8864] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 422.258258][ T8864] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 422.266278][ T8864] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 422.274498][ T8864] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 422.282641][ T8864] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 422.290768][ T8864] [ 422.299978][ T51] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 422.302405][ T8864] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 422.320797][ T8864] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 422.320849][ T51] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 422.334961][ T8858] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 422.341303][ T8868] loop2: detected capacity change from 0 to 32768 [ 422.349234][ T8857] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 422.359528][ T8857] CPU: 1 UID: 0 PID: 8857 Comm: syz.4.504 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 422.370186][ T8857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.380291][ T8857] Call Trace: [ 422.383615][ T8857] [ 422.386586][ T8857] dump_stack_lvl+0x241/0x360 [ 422.391321][ T8857] ? __pfx_dump_stack_lvl+0x10/0x10 [ 422.396565][ T8857] ? __pfx__printk+0x10/0x10 [ 422.401204][ T8857] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 422.406551][ T8857] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 422.412149][ T8857] sysfs_create_dir_ns+0x2ce/0x3a0 [ 422.417403][ T8857] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 422.423253][ T8857] kobject_add_internal+0x435/0x8d0 [ 422.428483][ T8857] kobject_init_and_add+0x124/0x190 [ 422.433724][ T8857] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 422.439637][ T8857] ? __pfx_kobject_init_and_add+0x10/0x10 [ 422.445503][ T8857] ? __init_swait_queue_head+0xae/0x150 [ 422.451097][ T8857] gfs2_sys_fs_add+0x23b/0x4a0 [ 422.455884][ T8857] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 422.461230][ T8857] ? __pfx_alloc_workqueue+0x10/0x10 [ 422.466572][ T8857] ? read_word_at_a_time+0xe/0x20 [ 422.471776][ T8857] ? sized_strscpy+0x8d/0x220 [ 422.476566][ T8857] gfs2_fill_super+0x11ee/0x24d0 [ 422.481543][ T8857] ? __pfx_gfs2_fill_super+0x10/0x10 [ 422.486957][ T8857] ? snprintf+0xda/0x120 [ 422.491219][ T8857] ? __pfx_lock_release+0x10/0x10 [ 422.496467][ T8857] ? do_raw_spin_lock+0x14f/0x370 [ 422.501759][ T8857] ? __pfx_snprintf+0x10/0x10 [ 422.506504][ T8857] ? sb_set_blocksize+0x98/0xf0 [ 422.511394][ T8857] ? setup_bdev_super+0x4e6/0x5d0 [ 422.516621][ T8857] get_tree_bdev+0x3f7/0x570 [ 422.521239][ T8857] ? __pfx_gfs2_fill_super+0x10/0x10 [ 422.527003][ T8857] ? __pfx_get_tree_bdev+0x10/0x10 [ 422.532141][ T8857] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 422.537802][ T8857] gfs2_get_tree+0x54/0x220 [ 422.542326][ T8857] vfs_get_tree+0x90/0x2b0 [ 422.546759][ T8857] do_new_mount+0x2be/0xb40 [ 422.551288][ T8857] ? __pfx_do_new_mount+0x10/0x10 [ 422.556636][ T8857] __se_sys_mount+0x2d6/0x3c0 [ 422.561441][ T8857] ? __pfx___se_sys_mount+0x10/0x10 [ 422.566747][ T8857] ? do_syscall_64+0x100/0x230 [ 422.571620][ T8857] ? __x64_sys_mount+0x20/0xc0 [ 422.576413][ T8857] do_syscall_64+0xf3/0x230 [ 422.580938][ T8857] ? clear_bhb_loop+0x35/0x90 [ 422.585758][ T8857] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 422.592400][ T8857] RIP: 0033:0x7f81e077b61a [ 422.596837][ T8857] 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 [ 422.616547][ T8857] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 422.624980][ T8857] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 422.633216][ T8857] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 422.641234][ T8857] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 422.649233][ T8857] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 422.657222][ T8857] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 422.665250][ T8857] [ 422.668735][ T8858] CPU: 0 UID: 0 PID: 8858 Comm: syz.0.505 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 422.679393][ T8858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 422.689501][ T8858] Call Trace: [ 422.692886][ T8858] [ 422.695866][ T8858] dump_stack_lvl+0x241/0x360 [ 422.700607][ T8858] ? __pfx_dump_stack_lvl+0x10/0x10 [ 422.706037][ T8858] ? __pfx__printk+0x10/0x10 [ 422.710708][ T8858] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 422.716041][ T8858] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 422.721825][ T8858] sysfs_create_dir_ns+0x2ce/0x3a0 [ 422.726991][ T8858] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 422.732773][ T8858] kobject_add_internal+0x435/0x8d0 [ 422.738131][ T8858] kobject_init_and_add+0x124/0x190 [ 422.743371][ T8858] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 422.749265][ T8858] ? __pfx_kobject_init_and_add+0x10/0x10 [ 422.755132][ T8858] ? __init_swait_queue_head+0xae/0x150 [ 422.760756][ T8858] gfs2_sys_fs_add+0x23b/0x4a0 [ 422.765574][ T8858] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 422.770924][ T8858] ? __pfx_alloc_workqueue+0x10/0x10 [ 422.776697][ T8858] ? read_word_at_a_time+0xe/0x20 [ 422.777123][ T8857] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 422.781741][ T8858] ? sized_strscpy+0x8d/0x220 [ 422.781774][ T8858] gfs2_fill_super+0x11ee/0x24d0 [ 422.781830][ T8858] ? __pfx_gfs2_fill_super+0x10/0x10 [ 422.781858][ T8858] ? snprintf+0xda/0x120 [ 422.796092][ T8857] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 422.800444][ T8858] ? __pfx_lock_release+0x10/0x10 [ 422.800486][ T8858] ? do_raw_spin_lock+0x14f/0x370 [ 422.800517][ T8858] ? __pfx_snprintf+0x10/0x10 [ 422.800553][ T8858] ? sb_set_blocksize+0x98/0xf0 [ 422.800582][ T8858] ? setup_bdev_super+0x4e6/0x5d0 [ 422.800614][ T8858] get_tree_bdev+0x3f7/0x570 [ 422.800648][ T8858] ? __pfx_gfs2_fill_super+0x10/0x10 [ 422.825411][ T51] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 504ms [ 422.827369][ T8858] ? __pfx_get_tree_bdev+0x10/0x10 [ 422.827411][ T8858] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 422.854173][ T51] gfs2: fsid=syz:syz.0: jid=0: Done [ 422.857084][ T8858] gfs2_get_tree+0x54/0x220 [ 422.875765][ T8860] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 422.880860][ T8858] vfs_get_tree+0x90/0x2b0 [ 422.880904][ T8858] do_new_mount+0x2be/0xb40 [ 422.880941][ T8858] ? __pfx_do_new_mount+0x10/0x10 [ 422.907152][ T8858] __se_sys_mount+0x2d6/0x3c0 [ 422.911899][ T8858] ? __pfx___se_sys_mount+0x10/0x10 [ 422.917217][ T8858] ? do_syscall_64+0x100/0x230 [ 422.921998][ T8858] ? __x64_sys_mount+0x20/0xc0 [ 422.926788][ T8858] do_syscall_64+0xf3/0x230 [ 422.931305][ T8858] ? clear_bhb_loop+0x35/0x90 [ 422.936179][ T8858] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 422.942526][ T8858] RIP: 0033:0x7f1bdcf7b61a [ 422.947001][ T8858] 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 [ 422.966977][ T8858] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 422.975520][ T8858] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 422.983653][ T8858] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 422.991645][ T8858] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 422.999892][ T8858] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 423.007876][ T8858] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 423.015877][ T8858] [ 423.030230][ T8858] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 423.055298][ T8858] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 423.059447][ T8868] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 423.087879][ T8868] CPU: 0 UID: 0 PID: 8868 Comm: syz.2.507 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 423.098562][ T8868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 423.108680][ T8868] Call Trace: [ 423.111998][ T8868] [ 423.115050][ T8868] dump_stack_lvl+0x241/0x360 [ 423.119869][ T8868] ? __pfx_dump_stack_lvl+0x10/0x10 [ 423.125208][ T8868] ? __pfx__printk+0x10/0x10 [ 423.130020][ T8868] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 423.135452][ T8868] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 423.141223][ T8868] sysfs_create_dir_ns+0x2ce/0x3a0 [ 423.146389][ T8868] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 423.152080][ T8868] kobject_add_internal+0x435/0x8d0 [ 423.157338][ T8868] kobject_init_and_add+0x124/0x190 [ 423.162575][ T8868] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 423.168440][ T8868] ? __pfx_kobject_init_and_add+0x10/0x10 [ 423.174302][ T8868] ? __init_swait_queue_head+0xae/0x150 [ 423.180100][ T8868] gfs2_sys_fs_add+0x23b/0x4a0 [ 423.184993][ T8868] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 423.190418][ T8868] ? __pfx_alloc_workqueue+0x10/0x10 [ 423.195782][ T8868] ? read_word_at_a_time+0xe/0x20 [ 423.200851][ T8868] ? sized_strscpy+0x8d/0x220 [ 423.205671][ T8868] gfs2_fill_super+0x11ee/0x24d0 [ 423.210904][ T8868] ? __pfx_gfs2_fill_super+0x10/0x10 [ 423.216355][ T8868] ? snprintf+0xda/0x120 [ 423.220651][ T8868] ? __pfx_lock_release+0x10/0x10 [ 423.225727][ T8868] ? do_raw_spin_lock+0x14f/0x370 [ 423.230806][ T8868] ? __pfx_snprintf+0x10/0x10 [ 423.235544][ T8868] ? sb_set_blocksize+0x98/0xf0 [ 423.240450][ T8868] ? setup_bdev_super+0x4e6/0x5d0 [ 423.245614][ T8868] get_tree_bdev+0x3f7/0x570 [ 423.250354][ T8868] ? __pfx_gfs2_fill_super+0x10/0x10 [ 423.255780][ T8868] ? __pfx_get_tree_bdev+0x10/0x10 [ 423.260976][ T8868] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 423.266679][ T8868] gfs2_get_tree+0x54/0x220 [ 423.271251][ T8868] vfs_get_tree+0x90/0x2b0 [ 423.275726][ T8868] do_new_mount+0x2be/0xb40 [ 423.280378][ T8868] ? __pfx_do_new_mount+0x10/0x10 [ 423.285469][ T8868] __se_sys_mount+0x2d6/0x3c0 [ 423.290378][ T8868] ? __pfx___se_sys_mount+0x10/0x10 [ 423.295636][ T8868] ? do_syscall_64+0x100/0x230 [ 423.300460][ T8868] ? __x64_sys_mount+0x20/0xc0 [ 423.305278][ T8868] do_syscall_64+0xf3/0x230 [ 423.310005][ T8868] ? clear_bhb_loop+0x35/0x90 [ 423.314730][ T8868] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 423.320676][ T8868] RIP: 0033:0x7f9d6317b61a 2024/10/16 08:13:28 executed programs: 503 [ 423.325133][ T8868] 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 [ 423.344964][ T8868] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 423.353520][ T8868] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 423.361585][ T8868] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 423.369701][ T8868] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 423.377732][ T8868] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 423.385749][ T8868] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 423.393875][ T8868] [ 423.405036][ T8868] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 423.455817][ T8868] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 423.856242][ T8883] loop4: detected capacity change from 0 to 32768 [ 423.881494][ T8883] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 423.934032][ T8883] CPU: 0 UID: 0 PID: 8883 Comm: syz.4.511 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 423.944721][ T8883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 423.954829][ T8883] Call Trace: [ 423.958142][ T8883] [ 423.961294][ T8883] dump_stack_lvl+0x241/0x360 [ 423.966153][ T8883] ? __pfx_dump_stack_lvl+0x10/0x10 [ 423.971397][ T8883] ? __pfx__printk+0x10/0x10 [ 423.976045][ T8883] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 423.981469][ T8883] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 423.987078][ T8883] sysfs_create_dir_ns+0x2ce/0x3a0 [ 423.992250][ T8883] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 423.997951][ T8883] kobject_add_internal+0x435/0x8d0 [ 424.003667][ T8883] kobject_init_and_add+0x124/0x190 [ 424.008935][ T8883] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 424.014804][ T8883] ? __pfx_kobject_init_and_add+0x10/0x10 [ 424.020577][ T8883] ? __init_swait_queue_head+0xae/0x150 [ 424.026180][ T8883] gfs2_sys_fs_add+0x23b/0x4a0 [ 424.030988][ T8883] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 424.036309][ T8883] ? __pfx_alloc_workqueue+0x10/0x10 [ 424.041627][ T8883] ? read_word_at_a_time+0xe/0x20 [ 424.046675][ T8883] ? sized_strscpy+0x8d/0x220 [ 424.051379][ T8883] gfs2_fill_super+0x11ee/0x24d0 [ 424.056359][ T8883] ? __pfx_gfs2_fill_super+0x10/0x10 [ 424.061664][ T8883] ? snprintf+0xda/0x120 [ 424.065940][ T8883] ? __pfx_lock_release+0x10/0x10 [ 424.071071][ T8883] ? do_raw_spin_lock+0x14f/0x370 [ 424.076116][ T8883] ? __pfx_snprintf+0x10/0x10 [ 424.081016][ T8883] ? sb_set_blocksize+0x98/0xf0 [ 424.085995][ T8883] ? setup_bdev_super+0x4e6/0x5d0 [ 424.091050][ T8883] get_tree_bdev+0x3f7/0x570 [ 424.095671][ T8883] ? __pfx_gfs2_fill_super+0x10/0x10 [ 424.100990][ T8883] ? __pfx_get_tree_bdev+0x10/0x10 [ 424.106127][ T8883] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 424.111779][ T8883] gfs2_get_tree+0x54/0x220 [ 424.116337][ T8883] vfs_get_tree+0x90/0x2b0 [ 424.120859][ T8883] do_new_mount+0x2be/0xb40 [ 424.125392][ T8883] ? __pfx_do_new_mount+0x10/0x10 [ 424.130439][ T8883] __se_sys_mount+0x2d6/0x3c0 [ 424.135227][ T8883] ? __pfx___se_sys_mount+0x10/0x10 [ 424.140443][ T8883] ? do_syscall_64+0x100/0x230 [ 424.145226][ T8883] ? __x64_sys_mount+0x20/0xc0 [ 424.150006][ T8883] do_syscall_64+0xf3/0x230 [ 424.154536][ T8883] ? clear_bhb_loop+0x35/0x90 [ 424.159224][ T8883] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 424.165148][ T8883] RIP: 0033:0x7f81e077b61a [ 424.169578][ T8883] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 424.189637][ T8883] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 424.198090][ T8883] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 424.206101][ T8883] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 424.214106][ T8883] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 424.222116][ T8883] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 424.230109][ T8883] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 424.238197][ T8883] [ 424.258302][ T8883] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 424.316029][ T8883] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 425.071984][ T8880] loop3: detected capacity change from 0 to 32768 [ 425.156255][ T8880] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 425.211037][ T8880] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 425.299202][ T8880] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 425.334701][ T8891] loop2: detected capacity change from 0 to 32768 [ 425.389161][ T1187] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 425.399952][ T8891] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 425.447026][ T1187] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 425.506331][ T8890] loop1: detected capacity change from 0 to 32768 [ 425.514480][ T8891] CPU: 0 UID: 0 PID: 8891 Comm: syz.2.512 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 425.525252][ T8891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 425.533562][ T1187] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 86ms [ 425.535548][ T8891] Call Trace: [ 425.535562][ T8891] [ 425.535574][ T8891] dump_stack_lvl+0x241/0x360 [ 425.554886][ T8891] ? __pfx_dump_stack_lvl+0x10/0x10 [ 425.560236][ T8891] ? __pfx__printk+0x10/0x10 [ 425.564975][ T8891] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 425.570322][ T8891] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 425.575988][ T8891] sysfs_create_dir_ns+0x2ce/0x3a0 [ 425.581182][ T8891] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 425.584194][ T1187] gfs2: fsid=syz:syz.0: jid=0: Done [ 425.586861][ T8891] kobject_add_internal+0x435/0x8d0 [ 425.597666][ T8891] kobject_init_and_add+0x124/0x190 [ 425.603012][ T8891] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 425.609049][ T8891] ? __pfx_kobject_init_and_add+0x10/0x10 [ 425.615066][ T8891] ? __init_swait_queue_head+0xae/0x150 [ 425.620650][ T8891] gfs2_sys_fs_add+0x23b/0x4a0 [ 425.625431][ T8891] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 425.630740][ T8891] ? __pfx_alloc_workqueue+0x10/0x10 [ 425.636044][ T8891] ? read_word_at_a_time+0xe/0x20 [ 425.641092][ T8891] ? sized_strscpy+0x8d/0x220 [ 425.645800][ T8891] gfs2_fill_super+0x11ee/0x24d0 [ 425.650787][ T8891] ? __pfx_gfs2_fill_super+0x10/0x10 [ 425.656351][ T8891] ? snprintf+0xda/0x120 [ 425.660760][ T8891] ? __pfx_lock_release+0x10/0x10 [ 425.665800][ T8891] ? do_raw_spin_lock+0x14f/0x370 [ 425.670850][ T8891] ? __pfx_snprintf+0x10/0x10 [ 425.675808][ T8891] ? sb_set_blocksize+0x98/0xf0 [ 425.680671][ T8891] ? setup_bdev_super+0x4e6/0x5d0 [ 425.685716][ T8891] get_tree_bdev+0x3f7/0x570 [ 425.690324][ T8891] ? __pfx_gfs2_fill_super+0x10/0x10 [ 425.695647][ T8891] ? __pfx_get_tree_bdev+0x10/0x10 [ 425.700777][ T8891] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 425.706430][ T8891] gfs2_get_tree+0x54/0x220 [ 425.711136][ T8891] vfs_get_tree+0x90/0x2b0 [ 425.715578][ T8891] do_new_mount+0x2be/0xb40 [ 425.720106][ T8891] ? __pfx_do_new_mount+0x10/0x10 [ 425.725675][ T8891] __se_sys_mount+0x2d6/0x3c0 [ 425.730484][ T8891] ? __pfx___se_sys_mount+0x10/0x10 [ 425.735705][ T8891] ? do_syscall_64+0x100/0x230 [ 425.740791][ T8891] ? __x64_sys_mount+0x20/0xc0 [ 425.745581][ T8891] do_syscall_64+0xf3/0x230 [ 425.750099][ T8891] ? clear_bhb_loop+0x35/0x90 [ 425.754787][ T8891] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 425.760880][ T8891] RIP: 0033:0x7f9d6317b61a [ 425.765574][ T8891] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 425.785631][ T8891] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 425.794060][ T8891] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 425.802046][ T8891] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 425.810033][ T8891] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 425.818188][ T8891] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 425.826168][ T8891] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 425.834275][ T8891] [ 425.841456][ T8880] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 425.855556][ T8891] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 425.871519][ T8891] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 425.937750][ T8887] loop0: detected capacity change from 0 to 32768 [ 426.089927][ T8890] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 426.094409][ T8893] loop4: detected capacity change from 0 to 32768 [ 426.113012][ T8890] CPU: 1 UID: 0 PID: 8890 Comm: syz.1.509 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 426.123685][ T8890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 426.133805][ T8890] Call Trace: [ 426.137134][ T8890] [ 426.140108][ T8890] dump_stack_lvl+0x241/0x360 [ 426.144841][ T8890] ? __pfx_dump_stack_lvl+0x10/0x10 [ 426.150094][ T8890] ? __pfx__printk+0x10/0x10 [ 426.154751][ T8890] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 426.160203][ T8890] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 426.165892][ T8890] sysfs_create_dir_ns+0x2ce/0x3a0 [ 426.171054][ T8890] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 426.176922][ T8890] kobject_add_internal+0x435/0x8d0 [ 426.182292][ T8890] kobject_init_and_add+0x124/0x190 [ 426.187564][ T8890] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 426.193460][ T8890] ? __pfx_kobject_init_and_add+0x10/0x10 [ 426.199258][ T8890] ? __init_swait_queue_head+0xae/0x150 [ 426.204881][ T8890] gfs2_sys_fs_add+0x23b/0x4a0 [ 426.209882][ T8890] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 426.215245][ T8890] ? __pfx_alloc_workqueue+0x10/0x10 [ 426.220695][ T8890] ? read_word_at_a_time+0xe/0x20 [ 426.225863][ T8890] ? sized_strscpy+0x8d/0x220 [ 426.230691][ T8890] gfs2_fill_super+0x11ee/0x24d0 [ 426.235716][ T8890] ? __pfx_gfs2_fill_super+0x10/0x10 [ 426.241086][ T8890] ? snprintf+0xda/0x120 [ 426.245374][ T8890] ? __pfx_lock_release+0x10/0x10 [ 426.250414][ T8890] ? do_raw_spin_lock+0x14f/0x370 [ 426.252107][ T8887] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 426.255526][ T8890] ? __pfx_snprintf+0x10/0x10 [ 426.255569][ T8890] ? sb_set_blocksize+0x98/0xf0 [ 426.272601][ T8890] ? setup_bdev_super+0x4e6/0x5d0 [ 426.277700][ T8890] get_tree_bdev+0x3f7/0x570 [ 426.282364][ T8890] ? __pfx_gfs2_fill_super+0x10/0x10 [ 426.287857][ T8890] ? __pfx_get_tree_bdev+0x10/0x10 [ 426.293039][ T8890] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 426.298760][ T8890] gfs2_get_tree+0x54/0x220 [ 426.303504][ T8890] vfs_get_tree+0x90/0x2b0 [ 426.307986][ T8890] do_new_mount+0x2be/0xb40 [ 426.312669][ T8890] ? __pfx_do_new_mount+0x10/0x10 [ 426.317761][ T8890] __se_sys_mount+0x2d6/0x3c0 [ 426.322505][ T8890] ? __pfx___se_sys_mount+0x10/0x10 [ 426.327849][ T8890] ? do_syscall_64+0x100/0x230 [ 426.332656][ T8890] ? __x64_sys_mount+0x20/0xc0 [ 426.337490][ T8890] do_syscall_64+0xf3/0x230 [ 426.342058][ T8890] ? clear_bhb_loop+0x35/0x90 [ 426.346784][ T8890] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 426.352738][ T8890] RIP: 0033:0x7f5668b7b61a [ 426.357388][ T8890] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 426.377320][ T8890] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 426.385797][ T8890] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 426.393907][ T8890] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 426.402102][ T8890] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 426.410325][ T8890] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 426.418961][ T8890] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 426.427069][ T8890] [ 426.431945][ T8887] CPU: 1 UID: 0 PID: 8887 Comm: syz.0.510 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 426.442591][ T8887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 426.452693][ T8887] Call Trace: [ 426.456099][ T8887] [ 426.459075][ T8887] dump_stack_lvl+0x241/0x360 [ 426.459252][ T8890] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 426.463866][ T8887] ? __pfx_dump_stack_lvl+0x10/0x10 [ 426.463898][ T8887] ? __pfx__printk+0x10/0x10 [ 426.478056][ T8890] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 426.483000][ T8887] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 426.499594][ T8887] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 426.505172][ T8887] sysfs_create_dir_ns+0x2ce/0x3a0 [ 426.510306][ T8887] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 426.516058][ T8887] kobject_add_internal+0x435/0x8d0 [ 426.521291][ T8887] kobject_init_and_add+0x124/0x190 [ 426.526847][ T8887] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 426.532790][ T8887] ? __pfx_kobject_init_and_add+0x10/0x10 [ 426.538531][ T8887] ? __init_swait_queue_head+0xae/0x150 [ 426.544187][ T8887] gfs2_sys_fs_add+0x23b/0x4a0 [ 426.549055][ T8887] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 426.554477][ T8887] ? __pfx_alloc_workqueue+0x10/0x10 [ 426.559857][ T8887] ? read_word_at_a_time+0xe/0x20 [ 426.565001][ T8887] ? sized_strscpy+0x8d/0x220 [ 426.569791][ T8887] gfs2_fill_super+0x11ee/0x24d0 [ 426.575028][ T8887] ? __pfx_gfs2_fill_super+0x10/0x10 [ 426.580626][ T8887] ? snprintf+0xda/0x120 [ 426.584894][ T8887] ? __pfx_lock_release+0x10/0x10 [ 426.589945][ T8887] ? do_raw_spin_lock+0x14f/0x370 [ 426.594991][ T8887] ? __pfx_snprintf+0x10/0x10 [ 426.599738][ T8887] ? sb_set_blocksize+0x98/0xf0 [ 426.604779][ T8887] ? setup_bdev_super+0x4e6/0x5d0 [ 426.609841][ T8887] get_tree_bdev+0x3f7/0x570 [ 426.614454][ T8887] ? __pfx_gfs2_fill_super+0x10/0x10 [ 426.619947][ T8887] ? __pfx_get_tree_bdev+0x10/0x10 [ 426.625075][ T8887] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 426.630911][ T8887] gfs2_get_tree+0x54/0x220 [ 426.635620][ T8887] vfs_get_tree+0x90/0x2b0 [ 426.640068][ T8887] do_new_mount+0x2be/0xb40 [ 426.644619][ T8887] ? __pfx_do_new_mount+0x10/0x10 [ 426.649671][ T8887] __se_sys_mount+0x2d6/0x3c0 [ 426.654985][ T8887] ? __pfx___se_sys_mount+0x10/0x10 [ 426.660298][ T8887] ? do_syscall_64+0x100/0x230 [ 426.665105][ T8887] ? __x64_sys_mount+0x20/0xc0 [ 426.669892][ T8887] do_syscall_64+0xf3/0x230 [ 426.674419][ T8887] ? clear_bhb_loop+0x35/0x90 [ 426.679111][ T8887] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 426.685026][ T8887] RIP: 0033:0x7f1bdcf7b61a [ 426.689454][ T8887] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 426.709079][ T8887] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 426.717510][ T8887] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 426.725843][ T8887] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 426.733913][ T8887] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 426.742013][ T8887] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 426.749997][ T8887] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 426.758171][ T8887] [ 426.766105][ T8887] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 426.780347][ T8887] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 426.813355][ T8893] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 426.828225][ T8893] CPU: 1 UID: 0 PID: 8893 Comm: syz.4.513 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 426.838900][ T8893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 426.849011][ T8893] Call Trace: [ 426.852429][ T8893] [ 426.855394][ T8893] dump_stack_lvl+0x241/0x360 [ 426.860153][ T8893] ? __pfx_dump_stack_lvl+0x10/0x10 [ 426.865395][ T8893] ? __pfx__printk+0x10/0x10 [ 426.870031][ T8893] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 426.875374][ T8893] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 426.881143][ T8893] sysfs_create_dir_ns+0x2ce/0x3a0 [ 426.886306][ T8893] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 426.892005][ T8893] kobject_add_internal+0x435/0x8d0 [ 426.897794][ T8893] kobject_init_and_add+0x124/0x190 [ 426.903142][ T8893] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 426.909019][ T8893] ? __pfx_kobject_init_and_add+0x10/0x10 [ 426.914803][ T8893] ? __init_swait_queue_head+0xae/0x150 [ 426.920413][ T8893] gfs2_sys_fs_add+0x23b/0x4a0 [ 426.925237][ T8893] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 426.930842][ T8893] ? __pfx_alloc_workqueue+0x10/0x10 [ 426.936450][ T8893] ? read_word_at_a_time+0xe/0x20 [ 426.941530][ T8893] ? sized_strscpy+0x8d/0x220 [ 426.946266][ T8893] gfs2_fill_super+0x11ee/0x24d0 [ 426.951286][ T8893] ? __pfx_gfs2_fill_super+0x10/0x10 [ 426.956709][ T8893] ? snprintf+0xda/0x120 [ 426.961012][ T8893] ? __pfx_lock_release+0x10/0x10 [ 426.966102][ T8893] ? do_raw_spin_lock+0x14f/0x370 [ 426.971272][ T8893] ? __pfx_snprintf+0x10/0x10 [ 426.976017][ T8893] ? sb_set_blocksize+0x98/0xf0 [ 426.981011][ T8893] ? setup_bdev_super+0x4e6/0x5d0 [ 426.986096][ T8893] get_tree_bdev+0x3f7/0x570 [ 426.991014][ T8893] ? __pfx_gfs2_fill_super+0x10/0x10 [ 426.996352][ T8893] ? __pfx_get_tree_bdev+0x10/0x10 [ 427.001522][ T8893] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 427.007224][ T8893] gfs2_get_tree+0x54/0x220 [ 427.011779][ T8893] vfs_get_tree+0x90/0x2b0 [ 427.016501][ T8893] do_new_mount+0x2be/0xb40 [ 427.021056][ T8893] ? __pfx_do_new_mount+0x10/0x10 [ 427.026137][ T8893] __se_sys_mount+0x2d6/0x3c0 [ 427.030868][ T8893] ? __pfx___se_sys_mount+0x10/0x10 [ 427.036132][ T8893] ? do_syscall_64+0x100/0x230 [ 427.040965][ T8893] ? __x64_sys_mount+0x20/0xc0 [ 427.045784][ T8893] do_syscall_64+0xf3/0x230 [ 427.050423][ T8893] ? clear_bhb_loop+0x35/0x90 [ 427.055149][ T8893] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 427.061101][ T8893] RIP: 0033:0x7f81e077b61a [ 427.065562][ T8893] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 427.085394][ T8893] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 427.093871][ T8893] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 427.101900][ T8893] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 427.109927][ T8893] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 427.118054][ T8893] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 427.126080][ T8893] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 427.134122][ T8893] [ 427.151563][ T8893] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 427.166745][ T8893] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 427.564212][ T8907] loop2: detected capacity change from 0 to 32768 [ 427.687088][ T8907] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 427.699276][ T8907] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 427.714181][ T8907] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 427.821114][ T1187] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 427.828257][ T1187] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 428.059257][ T1187] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 230ms [ 428.099024][ T1187] gfs2: fsid=syz:syz.0: jid=0: Done [ 428.104332][ T8907] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 428.172993][ T8916] loop3: detected capacity change from 0 to 32768 [ 428.259953][ T8916] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 428.269722][ T8916] CPU: 0 UID: 0 PID: 8916 Comm: syz.3.514 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 428.280490][ T8916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 428.290619][ T8916] Call Trace: [ 428.294026][ T8916] [ 428.296994][ T8916] dump_stack_lvl+0x241/0x360 [ 428.301811][ T8916] ? __pfx_dump_stack_lvl+0x10/0x10 [ 428.307306][ T8916] ? __pfx__printk+0x10/0x10 [ 428.312119][ T8916] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 428.317540][ T8916] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 428.323397][ T8916] sysfs_create_dir_ns+0x2ce/0x3a0 [ 428.328565][ T8916] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 428.334254][ T8916] kobject_add_internal+0x435/0x8d0 [ 428.339518][ T8916] kobject_init_and_add+0x124/0x190 [ 428.344850][ T8916] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 428.350726][ T8916] ? __pfx_kobject_init_and_add+0x10/0x10 [ 428.356520][ T8916] ? __init_swait_queue_head+0xae/0x150 [ 428.362142][ T8916] gfs2_sys_fs_add+0x23b/0x4a0 [ 428.366973][ T8916] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 428.372328][ T8916] ? __pfx_alloc_workqueue+0x10/0x10 [ 428.377675][ T8916] ? read_word_at_a_time+0xe/0x20 [ 428.382841][ T8916] ? sized_strscpy+0x8d/0x220 [ 428.387575][ T8916] gfs2_fill_super+0x11ee/0x24d0 [ 428.392592][ T8916] ? __pfx_gfs2_fill_super+0x10/0x10 [ 428.397939][ T8916] ? snprintf+0xda/0x120 [ 428.402318][ T8916] ? __pfx_lock_release+0x10/0x10 [ 428.407366][ T8916] ? do_raw_spin_lock+0x14f/0x370 [ 428.412422][ T8916] ? __pfx_snprintf+0x10/0x10 [ 428.417125][ T8916] ? sb_set_blocksize+0x98/0xf0 [ 428.422078][ T8916] ? setup_bdev_super+0x4e6/0x5d0 [ 428.427245][ T8916] get_tree_bdev+0x3f7/0x570 [ 428.431854][ T8916] ? __pfx_gfs2_fill_super+0x10/0x10 [ 428.437432][ T8916] ? __pfx_get_tree_bdev+0x10/0x10 [ 428.442568][ T8916] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 428.448397][ T8916] gfs2_get_tree+0x54/0x220 [ 428.452927][ T8916] vfs_get_tree+0x90/0x2b0 [ 428.457485][ T8916] do_new_mount+0x2be/0xb40 [ 428.462212][ T8916] ? __pfx_do_new_mount+0x10/0x10 [ 428.467476][ T8916] __se_sys_mount+0x2d6/0x3c0 [ 428.472272][ T8916] ? __pfx___se_sys_mount+0x10/0x10 [ 428.477667][ T8916] ? do_syscall_64+0x100/0x230 [ 428.482449][ T8916] ? __x64_sys_mount+0x20/0xc0 [ 428.487238][ T8916] do_syscall_64+0xf3/0x230 [ 428.491762][ T8916] ? clear_bhb_loop+0x35/0x90 [ 428.496464][ T8916] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 428.502407][ T8916] RIP: 0033:0x7fb3b7d7b61a [ 428.506836][ T8916] 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 [ 428.526927][ T8916] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 428.535570][ T8916] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 428.543672][ T8916] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 428.551760][ T8916] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 428.559873][ T8916] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 428.568132][ T8916] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 428.577175][ T8916] [ 428.585144][ T8916] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 428.617900][ T8916] gfs2: fsid=syz:syz: error -17 adding sysfs files 2024/10/16 08:13:34 executed programs: 514 [ 429.101000][ T8909] loop1: detected capacity change from 0 to 32768 [ 429.138182][ T8911] loop0: detected capacity change from 0 to 32768 [ 429.166558][ T8911] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 429.188112][ T8909] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 429.195601][ T8909] CPU: 1 UID: 0 PID: 8909 Comm: syz.1.516 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 429.206419][ T8909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 429.216622][ T8909] Call Trace: [ 429.220110][ T8909] [ 429.223092][ T8909] dump_stack_lvl+0x241/0x360 [ 429.228011][ T8909] ? __pfx_dump_stack_lvl+0x10/0x10 [ 429.233379][ T8909] ? __pfx__printk+0x10/0x10 [ 429.238022][ T8909] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 429.243448][ T8909] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 429.249055][ T8909] sysfs_create_dir_ns+0x2ce/0x3a0 [ 429.254400][ T8909] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 429.260095][ T8909] kobject_add_internal+0x435/0x8d0 [ 429.265357][ T8909] kobject_init_and_add+0x124/0x190 [ 429.270698][ T8909] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 429.276559][ T8909] ? __pfx_kobject_init_and_add+0x10/0x10 [ 429.280694][ T8911] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 429.282308][ T8909] ? __init_swait_queue_head+0xae/0x150 [ 429.294744][ T8909] gfs2_sys_fs_add+0x23b/0x4a0 [ 429.299823][ T8909] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 429.305162][ T8909] ? __pfx_alloc_workqueue+0x10/0x10 [ 429.310491][ T8909] ? read_word_at_a_time+0xe/0x20 [ 429.315567][ T8909] ? sized_strscpy+0x8d/0x220 [ 429.320297][ T8909] gfs2_fill_super+0x11ee/0x24d0 [ 429.325309][ T8909] ? __pfx_gfs2_fill_super+0x10/0x10 [ 429.330637][ T8909] ? snprintf+0xda/0x120 [ 429.335014][ T8909] ? __pfx_lock_release+0x10/0x10 [ 429.340169][ T8909] ? do_raw_spin_lock+0x14f/0x370 [ 429.345252][ T8909] ? __pfx_snprintf+0x10/0x10 [ 429.349996][ T8909] ? sb_set_blocksize+0x98/0xf0 [ 429.354896][ T8909] ? setup_bdev_super+0x4e6/0x5d0 [ 429.359971][ T8909] get_tree_bdev+0x3f7/0x570 [ 429.364609][ T8909] ? __pfx_gfs2_fill_super+0x10/0x10 [ 429.368443][ T8911] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 429.369924][ T8909] ? __pfx_get_tree_bdev+0x10/0x10 [ 429.369963][ T8909] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 429.388408][ T8909] gfs2_get_tree+0x54/0x220 [ 429.392970][ T8909] vfs_get_tree+0x90/0x2b0 [ 429.397616][ T8909] do_new_mount+0x2be/0xb40 [ 429.402269][ T8909] ? __pfx_do_new_mount+0x10/0x10 [ 429.407353][ T8909] __se_sys_mount+0x2d6/0x3c0 [ 429.412094][ T8909] ? __pfx___se_sys_mount+0x10/0x10 [ 429.415795][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 429.417423][ T8909] ? do_syscall_64+0x100/0x230 [ 429.429440][ T8909] ? __x64_sys_mount+0x20/0xc0 [ 429.434444][ T8909] do_syscall_64+0xf3/0x230 [ 429.437860][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 429.439003][ T8909] ? clear_bhb_loop+0x35/0x90 [ 429.439036][ T8909] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.456502][ T8909] RIP: 0033:0x7f5668b7b61a [ 429.461048][ T8909] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 429.480753][ T8909] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 429.489319][ T8909] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 429.497348][ T8909] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 429.505459][ T8909] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 429.513660][ T8909] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 429.521866][ T8909] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 429.529990][ T8909] [ 429.607032][ T8909] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 429.664571][ T8909] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 429.720275][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 282ms [ 429.777399][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 429.820962][ T8911] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 430.057425][ T8923] loop3: detected capacity change from 0 to 32768 [ 430.147982][ T8917] loop4: detected capacity change from 0 to 32768 [ 430.169768][ T8923] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 430.215740][ T8923] CPU: 1 UID: 0 PID: 8923 Comm: syz.3.520 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 430.226517][ T8923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.236800][ T8923] Call Trace: [ 430.240129][ T8923] [ 430.243228][ T8923] dump_stack_lvl+0x241/0x360 [ 430.247979][ T8923] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.253243][ T8923] ? __pfx__printk+0x10/0x10 [ 430.257889][ T8923] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 430.263276][ T8923] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 430.268879][ T8923] sysfs_create_dir_ns+0x2ce/0x3a0 [ 430.274067][ T8923] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 430.279753][ T8923] kobject_add_internal+0x435/0x8d0 [ 430.284978][ T8923] kobject_init_and_add+0x124/0x190 [ 430.290191][ T8923] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 430.296022][ T8923] ? __pfx_kobject_init_and_add+0x10/0x10 [ 430.301762][ T8923] ? __init_swait_queue_head+0xae/0x150 [ 430.307333][ T8923] gfs2_sys_fs_add+0x23b/0x4a0 [ 430.312141][ T8923] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 430.317445][ T8923] ? __pfx_alloc_workqueue+0x10/0x10 [ 430.322754][ T8923] ? read_word_at_a_time+0xe/0x20 [ 430.327799][ T8923] ? sized_strscpy+0x8d/0x220 [ 430.332492][ T8923] gfs2_fill_super+0x11ee/0x24d0 [ 430.337467][ T8923] ? __pfx_gfs2_fill_super+0x10/0x10 [ 430.342772][ T8923] ? snprintf+0xda/0x120 [ 430.347033][ T8923] ? __pfx_lock_release+0x10/0x10 [ 430.352078][ T8923] ? do_raw_spin_lock+0x14f/0x370 [ 430.357125][ T8923] ? __pfx_snprintf+0x10/0x10 [ 430.361829][ T8923] ? sb_set_blocksize+0x98/0xf0 [ 430.366729][ T8923] ? setup_bdev_super+0x4e6/0x5d0 [ 430.372036][ T8923] get_tree_bdev+0x3f7/0x570 [ 430.376646][ T8923] ? __pfx_gfs2_fill_super+0x10/0x10 [ 430.381954][ T8923] ? __pfx_get_tree_bdev+0x10/0x10 [ 430.387084][ T8923] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 430.392737][ T8923] gfs2_get_tree+0x54/0x220 [ 430.397264][ T8923] vfs_get_tree+0x90/0x2b0 [ 430.401702][ T8923] do_new_mount+0x2be/0xb40 [ 430.406313][ T8923] ? __pfx_do_new_mount+0x10/0x10 [ 430.411384][ T8923] __se_sys_mount+0x2d6/0x3c0 [ 430.416083][ T8923] ? __pfx___se_sys_mount+0x10/0x10 [ 430.421307][ T8923] ? do_syscall_64+0x100/0x230 [ 430.426176][ T8923] ? __x64_sys_mount+0x20/0xc0 [ 430.430966][ T8923] do_syscall_64+0xf3/0x230 [ 430.435492][ T8923] ? clear_bhb_loop+0x35/0x90 [ 430.440212][ T8923] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.446190][ T8923] RIP: 0033:0x7fb3b7d7b61a [ 430.450706][ T8923] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 430.470610][ T8923] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 430.479223][ T8923] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 430.487206][ T8923] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 430.495197][ T8923] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 430.503274][ T8923] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 430.511432][ T8923] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 430.519434][ T8923] [ 430.538302][ T8923] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 430.553416][ T8923] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 430.573362][ T8917] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 430.575336][ T8929] loop2: detected capacity change from 0 to 32768 [ 430.580943][ T8917] CPU: 1 UID: 0 PID: 8917 Comm: syz.4.518 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 430.580975][ T8917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.580990][ T8917] Call Trace: [ 430.581000][ T8917] [ 430.614457][ T8917] dump_stack_lvl+0x241/0x360 [ 430.619304][ T8917] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.624561][ T8917] ? __pfx__printk+0x10/0x10 [ 430.629386][ T8917] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 430.634818][ T8917] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 430.640422][ T8917] sysfs_create_dir_ns+0x2ce/0x3a0 [ 430.645686][ T8917] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 430.651467][ T8917] kobject_add_internal+0x435/0x8d0 [ 430.656736][ T8917] kobject_init_and_add+0x124/0x190 [ 430.661994][ T8917] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 430.667863][ T8917] ? __pfx_kobject_init_and_add+0x10/0x10 [ 430.673648][ T8917] ? __init_swait_queue_head+0xae/0x150 [ 430.679256][ T8917] gfs2_sys_fs_add+0x23b/0x4a0 [ 430.684081][ T8917] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 430.689520][ T8917] ? __pfx_alloc_workqueue+0x10/0x10 [ 430.694879][ T8917] ? read_word_at_a_time+0xe/0x20 [ 430.700062][ T8917] ? sized_strscpy+0x8d/0x220 [ 430.704880][ T8917] gfs2_fill_super+0x11ee/0x24d0 [ 430.710002][ T8917] ? __pfx_gfs2_fill_super+0x10/0x10 [ 430.715434][ T8917] ? snprintf+0xda/0x120 [ 430.719733][ T8917] ? __pfx_lock_release+0x10/0x10 [ 430.724817][ T8917] ? do_raw_spin_lock+0x14f/0x370 [ 430.730349][ T8917] ? __pfx_snprintf+0x10/0x10 [ 430.735086][ T8917] ? sb_set_blocksize+0x98/0xf0 [ 430.739965][ T8917] ? setup_bdev_super+0x4e6/0x5d0 [ 430.745016][ T8917] get_tree_bdev+0x3f7/0x570 [ 430.749897][ T8917] ? __pfx_gfs2_fill_super+0x10/0x10 [ 430.755201][ T8917] ? __pfx_get_tree_bdev+0x10/0x10 [ 430.760335][ T8917] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 430.766000][ T8917] gfs2_get_tree+0x54/0x220 [ 430.770611][ T8917] vfs_get_tree+0x90/0x2b0 [ 430.775133][ T8917] do_new_mount+0x2be/0xb40 [ 430.779663][ T8917] ? __pfx_do_new_mount+0x10/0x10 [ 430.784713][ T8917] __se_sys_mount+0x2d6/0x3c0 [ 430.789462][ T8917] ? __pfx___se_sys_mount+0x10/0x10 [ 430.794704][ T8917] ? do_syscall_64+0x100/0x230 [ 430.799486][ T8917] ? __x64_sys_mount+0x20/0xc0 [ 430.804268][ T8917] do_syscall_64+0xf3/0x230 [ 430.808891][ T8917] ? clear_bhb_loop+0x35/0x90 [ 430.813590][ T8917] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.819511][ T8917] RIP: 0033:0x7f81e077b61a [ 430.824029][ T8917] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 430.843676][ T8917] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 430.852122][ T8917] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 430.860226][ T8917] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 430.868388][ T8917] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 430.876466][ T8917] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 430.884447][ T8917] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 430.892537][ T8917] [ 430.897729][ T8917] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 430.913164][ T8917] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 430.939062][ T8929] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 430.984902][ T8929] CPU: 0 UID: 0 PID: 8929 Comm: syz.2.519 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 430.995670][ T8929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.005858][ T8929] Call Trace: [ 431.009175][ T8929] [ 431.012136][ T8929] dump_stack_lvl+0x241/0x360 [ 431.016867][ T8929] ? __pfx_dump_stack_lvl+0x10/0x10 [ 431.022203][ T8929] ? __pfx__printk+0x10/0x10 [ 431.026834][ T8929] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 431.032252][ T8929] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 431.037939][ T8929] sysfs_create_dir_ns+0x2ce/0x3a0 [ 431.043095][ T8929] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 431.048885][ T8929] kobject_add_internal+0x435/0x8d0 [ 431.054145][ T8929] kobject_init_and_add+0x124/0x190 [ 431.059485][ T8929] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 431.065439][ T8929] ? __pfx_kobject_init_and_add+0x10/0x10 [ 431.071210][ T8929] ? __init_swait_queue_head+0xae/0x150 [ 431.076810][ T8929] gfs2_sys_fs_add+0x23b/0x4a0 [ 431.081620][ T8929] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 431.086966][ T8929] ? __pfx_alloc_workqueue+0x10/0x10 [ 431.092303][ T8929] ? read_word_at_a_time+0xe/0x20 [ 431.097384][ T8929] ? sized_strscpy+0x8d/0x220 [ 431.102289][ T8929] gfs2_fill_super+0x11ee/0x24d0 [ 431.107315][ T8929] ? __pfx_gfs2_fill_super+0x10/0x10 [ 431.112717][ T8929] ? snprintf+0xda/0x120 [ 431.117011][ T8929] ? __pfx_lock_release+0x10/0x10 [ 431.122090][ T8929] ? do_raw_spin_lock+0x14f/0x370 [ 431.127167][ T8929] ? __pfx_snprintf+0x10/0x10 [ 431.131901][ T8929] ? sb_set_blocksize+0x98/0xf0 [ 431.136797][ T8929] ? setup_bdev_super+0x4e6/0x5d0 [ 431.141874][ T8929] get_tree_bdev+0x3f7/0x570 [ 431.146510][ T8929] ? __pfx_gfs2_fill_super+0x10/0x10 [ 431.151843][ T8929] ? __pfx_get_tree_bdev+0x10/0x10 [ 431.156999][ T8929] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 431.162691][ T8929] gfs2_get_tree+0x54/0x220 [ 431.167423][ T8929] vfs_get_tree+0x90/0x2b0 [ 431.171893][ T8929] do_new_mount+0x2be/0xb40 [ 431.176450][ T8929] ? __pfx_do_new_mount+0x10/0x10 [ 431.181534][ T8929] __se_sys_mount+0x2d6/0x3c0 [ 431.186351][ T8929] ? __pfx___se_sys_mount+0x10/0x10 [ 431.191609][ T8929] ? do_syscall_64+0x100/0x230 [ 431.196515][ T8929] ? __x64_sys_mount+0x20/0xc0 [ 431.201512][ T8929] do_syscall_64+0xf3/0x230 [ 431.206078][ T8929] ? clear_bhb_loop+0x35/0x90 [ 431.210898][ T8929] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 431.216872][ T8929] RIP: 0033:0x7f9d6317b61a [ 431.221343][ T8929] 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 [ 431.241269][ T8929] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 431.249750][ T8929] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 431.257770][ T8929] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 431.265790][ T8929] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 431.273825][ T8929] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 431.281940][ T8929] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 431.289981][ T8929] [ 431.435730][ T8929] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 431.493982][ T8929] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 432.360446][ T8937] loop1: detected capacity change from 0 to 32768 [ 432.410011][ T8937] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 432.427895][ T8937] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 432.503029][ T8937] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 432.546098][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 432.566022][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 432.731773][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 165ms [ 432.746948][ T8941] loop3: detected capacity change from 0 to 32768 [ 432.758387][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 432.777916][ T8937] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 432.805647][ T8941] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 432.845611][ T8941] CPU: 1 UID: 0 PID: 8941 Comm: syz.3.524 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 432.853003][ T8943] loop4: detected capacity change from 0 to 32768 [ 432.856352][ T8941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 432.872972][ T8941] Call Trace: [ 432.876293][ T8941] [ 432.879265][ T8941] dump_stack_lvl+0x241/0x360 [ 432.883994][ T8941] ? __pfx_dump_stack_lvl+0x10/0x10 [ 432.889237][ T8941] ? __pfx__printk+0x10/0x10 [ 432.893874][ T8941] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 432.899213][ T8941] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 432.904896][ T8941] sysfs_create_dir_ns+0x2ce/0x3a0 [ 432.910303][ T8941] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 432.915957][ T8941] kobject_add_internal+0x435/0x8d0 [ 432.921356][ T8941] kobject_init_and_add+0x124/0x190 [ 432.926832][ T8941] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 432.932684][ T8941] ? __pfx_kobject_init_and_add+0x10/0x10 [ 432.938423][ T8941] ? __init_swait_queue_head+0xae/0x150 [ 432.944014][ T8941] gfs2_sys_fs_add+0x23b/0x4a0 [ 432.948804][ T8941] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 432.954372][ T8941] ? __pfx_alloc_workqueue+0x10/0x10 [ 432.959676][ T8941] ? read_word_at_a_time+0xe/0x20 [ 432.964900][ T8941] ? sized_strscpy+0x8d/0x220 [ 432.969604][ T8941] gfs2_fill_super+0x11ee/0x24d0 [ 432.974751][ T8941] ? __pfx_gfs2_fill_super+0x10/0x10 [ 432.980053][ T8941] ? snprintf+0xda/0x120 [ 432.984311][ T8941] ? __pfx_lock_release+0x10/0x10 [ 432.989353][ T8941] ? do_raw_spin_lock+0x14f/0x370 [ 432.994404][ T8941] ? __pfx_snprintf+0x10/0x10 [ 432.999103][ T8941] ? sb_set_blocksize+0x98/0xf0 [ 433.004064][ T8941] ? setup_bdev_super+0x4e6/0x5d0 [ 433.009119][ T8941] get_tree_bdev+0x3f7/0x570 [ 433.013734][ T8941] ? __pfx_gfs2_fill_super+0x10/0x10 [ 433.019067][ T8941] ? __pfx_get_tree_bdev+0x10/0x10 [ 433.024218][ T8941] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 433.029968][ T8941] gfs2_get_tree+0x54/0x220 [ 433.034502][ T8941] vfs_get_tree+0x90/0x2b0 [ 433.038946][ T8941] do_new_mount+0x2be/0xb40 [ 433.043471][ T8941] ? __pfx_do_new_mount+0x10/0x10 [ 433.048584][ T8941] __se_sys_mount+0x2d6/0x3c0 [ 433.053296][ T8941] ? __pfx___se_sys_mount+0x10/0x10 [ 433.058619][ T8941] ? do_syscall_64+0x100/0x230 [ 433.063400][ T8941] ? __x64_sys_mount+0x20/0xc0 [ 433.068186][ T8941] do_syscall_64+0xf3/0x230 [ 433.072704][ T8941] ? clear_bhb_loop+0x35/0x90 [ 433.077394][ T8941] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 433.083309][ T8941] RIP: 0033:0x7fb3b7d7b61a [ 433.087751][ T8941] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 433.107467][ T8941] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 433.115909][ T8941] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 433.123897][ T8941] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 433.131885][ T8941] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 433.139875][ T8941] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 433.147953][ T8941] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 433.155979][ T8941] [ 433.218295][ T8941] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 433.235077][ T8943] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 433.246509][ T8943] CPU: 0 UID: 0 PID: 8943 Comm: syz.4.523 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 433.250996][ T8945] loop0: detected capacity change from 0 to 32768 [ 433.257156][ T8943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 433.257183][ T8943] Call Trace: [ 433.257196][ T8943] [ 433.257208][ T8943] dump_stack_lvl+0x241/0x360 [ 433.257245][ T8943] ? __pfx_dump_stack_lvl+0x10/0x10 [ 433.257270][ T8943] ? __pfx__printk+0x10/0x10 [ 433.257297][ T8943] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 433.257331][ T8943] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 433.257362][ T8943] sysfs_create_dir_ns+0x2ce/0x3a0 [ 433.257390][ T8943] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 433.316960][ T8943] kobject_add_internal+0x435/0x8d0 [ 433.322208][ T8943] kobject_init_and_add+0x124/0x190 [ 433.327438][ T8943] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 433.333386][ T8943] ? __pfx_kobject_init_and_add+0x10/0x10 [ 433.340016][ T8943] ? __init_swait_queue_head+0xae/0x150 [ 433.345687][ T8943] gfs2_sys_fs_add+0x23b/0x4a0 [ 433.350471][ T8943] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 433.355792][ T8943] ? __pfx_alloc_workqueue+0x10/0x10 [ 433.361446][ T8943] ? read_word_at_a_time+0xe/0x20 [ 433.366483][ T8943] ? sized_strscpy+0x8d/0x220 [ 433.371298][ T8943] gfs2_fill_super+0x11ee/0x24d0 [ 433.376378][ T8943] ? __pfx_gfs2_fill_super+0x10/0x10 [ 433.381801][ T8943] ? snprintf+0xda/0x120 [ 433.386147][ T8943] ? __pfx_lock_release+0x10/0x10 [ 433.391467][ T8943] ? do_raw_spin_lock+0x14f/0x370 [ 433.396596][ T8943] ? __pfx_snprintf+0x10/0x10 [ 433.401293][ T8943] ? sb_set_blocksize+0x98/0xf0 [ 433.406156][ T8943] ? setup_bdev_super+0x4e6/0x5d0 [ 433.411204][ T8943] get_tree_bdev+0x3f7/0x570 [ 433.415814][ T8943] ? __pfx_gfs2_fill_super+0x10/0x10 [ 433.421125][ T8943] ? __pfx_get_tree_bdev+0x10/0x10 [ 433.426261][ T8943] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 433.431910][ T8943] gfs2_get_tree+0x54/0x220 [ 433.436434][ T8943] vfs_get_tree+0x90/0x2b0 [ 433.440875][ T8943] do_new_mount+0x2be/0xb40 [ 433.445483][ T8943] ? __pfx_do_new_mount+0x10/0x10 [ 433.450570][ T8943] __se_sys_mount+0x2d6/0x3c0 [ 433.455294][ T8943] ? __pfx___se_sys_mount+0x10/0x10 [ 433.460612][ T8943] ? do_syscall_64+0x100/0x230 [ 433.465424][ T8943] ? __x64_sys_mount+0x20/0xc0 [ 433.470210][ T8943] do_syscall_64+0xf3/0x230 [ 433.474731][ T8943] ? clear_bhb_loop+0x35/0x90 [ 433.479514][ T8943] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 433.485519][ T8943] RIP: 0033:0x7f81e077b61a [ 433.489946][ T8943] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 433.509676][ T8943] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 433.518223][ T8943] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 433.526401][ T8943] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 433.534600][ T8943] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 433.542586][ T8943] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 433.550833][ T8943] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 433.559009][ T8943] [ 433.563775][ T8943] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 433.578248][ T8943] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 433.585806][ T8941] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 433.728933][ T8945] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 433.766675][ T8945] CPU: 0 UID: 0 PID: 8945 Comm: syz.0.522 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 433.777428][ T8945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 433.786765][ T8947] loop2: detected capacity change from 0 to 32768 [ 433.787695][ T8945] Call Trace: [ 433.797428][ T8945] [ 433.800482][ T8945] dump_stack_lvl+0x241/0x360 [ 433.805213][ T8945] ? __pfx_dump_stack_lvl+0x10/0x10 [ 433.810457][ T8945] ? __pfx__printk+0x10/0x10 [ 433.815186][ T8945] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 433.820604][ T8945] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 433.826200][ T8945] sysfs_create_dir_ns+0x2ce/0x3a0 [ 433.831358][ T8945] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 433.837127][ T8945] kobject_add_internal+0x435/0x8d0 [ 433.842374][ T8945] kobject_init_and_add+0x124/0x190 [ 433.847613][ T8945] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 433.853470][ T8945] ? __pfx_kobject_init_and_add+0x10/0x10 [ 433.859253][ T8945] ? __init_swait_queue_head+0xae/0x150 [ 433.864849][ T8945] gfs2_sys_fs_add+0x23b/0x4a0 [ 433.869658][ T8945] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 433.875094][ T8945] ? __pfx_alloc_workqueue+0x10/0x10 [ 433.880614][ T8945] ? read_word_at_a_time+0xe/0x20 [ 433.885730][ T8945] ? sized_strscpy+0x8d/0x220 [ 433.890458][ T8945] gfs2_fill_super+0x11ee/0x24d0 [ 433.895474][ T8945] ? __pfx_gfs2_fill_super+0x10/0x10 [ 433.900890][ T8945] ? snprintf+0xda/0x120 [ 433.905179][ T8945] ? __pfx_lock_release+0x10/0x10 [ 433.910430][ T8945] ? do_raw_spin_lock+0x14f/0x370 [ 433.915589][ T8945] ? __pfx_snprintf+0x10/0x10 [ 433.920414][ T8945] ? sb_set_blocksize+0x98/0xf0 [ 433.925407][ T8945] ? setup_bdev_super+0x4e6/0x5d0 [ 433.930482][ T8945] get_tree_bdev+0x3f7/0x570 [ 433.935124][ T8945] ? __pfx_gfs2_fill_super+0x10/0x10 [ 433.940453][ T8945] ? __pfx_get_tree_bdev+0x10/0x10 [ 433.945777][ T8945] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 433.951461][ T8945] gfs2_get_tree+0x54/0x220 [ 433.956022][ T8945] vfs_get_tree+0x90/0x2b0 [ 433.960493][ T8945] do_new_mount+0x2be/0xb40 [ 433.965221][ T8945] ? __pfx_do_new_mount+0x10/0x10 [ 433.970305][ T8945] __se_sys_mount+0x2d6/0x3c0 [ 433.975045][ T8945] ? __pfx___se_sys_mount+0x10/0x10 [ 433.980299][ T8945] ? do_syscall_64+0x100/0x230 [ 433.985213][ T8945] ? __x64_sys_mount+0x20/0xc0 [ 433.990088][ T8945] do_syscall_64+0xf3/0x230 [ 433.994648][ T8945] ? clear_bhb_loop+0x35/0x90 [ 433.999380][ T8945] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 434.005331][ T8945] RIP: 0033:0x7f1bdcf7b61a [ 434.009798][ T8945] 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 2024/10/16 08:13:39 executed programs: 522 [ 434.029478][ T8945] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 434.037952][ T8945] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 434.046143][ T8945] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 434.054257][ T8945] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 434.062369][ T8945] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 434.070389][ T8945] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 434.078437][ T8945] [ 434.105650][ T8947] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 434.111661][ T8945] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 434.117700][ T8947] CPU: 1 UID: 0 PID: 8947 Comm: syz.2.525 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 434.137638][ T8947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 434.148098][ T8947] Call Trace: [ 434.151414][ T8947] [ 434.154386][ T8947] dump_stack_lvl+0x241/0x360 [ 434.159132][ T8947] ? __pfx_dump_stack_lvl+0x10/0x10 [ 434.164376][ T8947] ? __pfx__printk+0x10/0x10 [ 434.169104][ T8947] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 434.174792][ T8947] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 434.180388][ T8947] sysfs_create_dir_ns+0x2ce/0x3a0 [ 434.185646][ T8947] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 434.191537][ T8947] kobject_add_internal+0x435/0x8d0 [ 434.196799][ T8947] kobject_init_and_add+0x124/0x190 [ 434.202133][ T8947] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 434.208253][ T8947] ? __pfx_kobject_init_and_add+0x10/0x10 [ 434.214030][ T8947] ? __init_swait_queue_head+0xae/0x150 [ 434.219646][ T8947] gfs2_sys_fs_add+0x23b/0x4a0 [ 434.224552][ T8947] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 434.229882][ T8947] ? __pfx_alloc_workqueue+0x10/0x10 [ 434.235196][ T8947] ? read_word_at_a_time+0xe/0x20 [ 434.240249][ T8947] ? sized_strscpy+0x8d/0x220 [ 434.245042][ T8947] gfs2_fill_super+0x11ee/0x24d0 [ 434.250105][ T8947] ? __pfx_gfs2_fill_super+0x10/0x10 [ 434.255407][ T8947] ? snprintf+0xda/0x120 [ 434.259667][ T8947] ? __pfx_lock_release+0x10/0x10 [ 434.264709][ T8947] ? do_raw_spin_lock+0x14f/0x370 [ 434.269752][ T8947] ? __pfx_snprintf+0x10/0x10 [ 434.274473][ T8947] ? sb_set_blocksize+0x98/0xf0 [ 434.279430][ T8947] ? setup_bdev_super+0x4e6/0x5d0 [ 434.285167][ T8947] get_tree_bdev+0x3f7/0x570 [ 434.289871][ T8947] ? __pfx_gfs2_fill_super+0x10/0x10 [ 434.295525][ T8947] ? __pfx_get_tree_bdev+0x10/0x10 [ 434.300679][ T8947] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 434.306359][ T8947] gfs2_get_tree+0x54/0x220 [ 434.310973][ T8947] vfs_get_tree+0x90/0x2b0 [ 434.315416][ T8947] do_new_mount+0x2be/0xb40 [ 434.319940][ T8947] ? __pfx_do_new_mount+0x10/0x10 [ 434.325075][ T8947] __se_sys_mount+0x2d6/0x3c0 [ 434.329784][ T8947] ? __pfx___se_sys_mount+0x10/0x10 [ 434.335026][ T8947] ? do_syscall_64+0x100/0x230 [ 434.339812][ T8947] ? __x64_sys_mount+0x20/0xc0 [ 434.344616][ T8947] do_syscall_64+0xf3/0x230 [ 434.349163][ T8947] ? clear_bhb_loop+0x35/0x90 [ 434.353967][ T8947] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 434.359978][ T8947] RIP: 0033:0x7f9d6317b61a [ 434.364414][ T8947] 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 [ 434.384044][ T8947] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 434.392560][ T8947] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 434.400642][ T8947] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 434.408738][ T8947] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 434.416850][ T8947] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 434.425017][ T8947] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 434.433104][ T8947] [ 434.460767][ T8945] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 434.487995][ T8947] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 434.662128][ T8947] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 434.828071][ T8961] loop3: detected capacity change from 0 to 32768 [ 434.863535][ T8961] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 434.877910][ T8961] CPU: 1 UID: 0 PID: 8961 Comm: syz.3.527 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 434.888710][ T8961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 434.899079][ T8961] Call Trace: [ 434.902401][ T8961] [ 434.905377][ T8961] dump_stack_lvl+0x241/0x360 [ 434.910105][ T8961] ? __pfx_dump_stack_lvl+0x10/0x10 [ 434.915353][ T8961] ? __pfx__printk+0x10/0x10 [ 434.919995][ T8961] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 434.925336][ T8961] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 434.931029][ T8961] sysfs_create_dir_ns+0x2ce/0x3a0 [ 434.936279][ T8961] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 434.941968][ T8961] kobject_add_internal+0x435/0x8d0 [ 434.947462][ T8961] kobject_init_and_add+0x124/0x190 [ 434.952768][ T8961] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 434.958702][ T8961] ? __pfx_kobject_init_and_add+0x10/0x10 [ 434.964454][ T8961] ? __init_swait_queue_head+0xae/0x150 [ 434.970106][ T8961] gfs2_sys_fs_add+0x23b/0x4a0 [ 434.974891][ T8961] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 434.980212][ T8961] ? __pfx_alloc_workqueue+0x10/0x10 [ 434.985514][ T8961] ? read_word_at_a_time+0xe/0x20 [ 434.990553][ T8961] ? sized_strscpy+0x8d/0x220 [ 434.995245][ T8961] gfs2_fill_super+0x11ee/0x24d0 [ 435.000220][ T8961] ? __pfx_gfs2_fill_super+0x10/0x10 [ 435.005528][ T8961] ? snprintf+0xda/0x120 [ 435.009786][ T8961] ? __pfx_lock_release+0x10/0x10 [ 435.014832][ T8961] ? do_raw_spin_lock+0x14f/0x370 [ 435.019880][ T8961] ? __pfx_snprintf+0x10/0x10 [ 435.024664][ T8961] ? sb_set_blocksize+0x98/0xf0 [ 435.029533][ T8961] ? setup_bdev_super+0x4e6/0x5d0 [ 435.034575][ T8961] get_tree_bdev+0x3f7/0x570 [ 435.039711][ T8961] ? __pfx_gfs2_fill_super+0x10/0x10 [ 435.045016][ T8961] ? __pfx_get_tree_bdev+0x10/0x10 [ 435.050243][ T8961] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 435.055931][ T8961] gfs2_get_tree+0x54/0x220 [ 435.060573][ T8961] vfs_get_tree+0x90/0x2b0 [ 435.065095][ T8961] do_new_mount+0x2be/0xb40 [ 435.069700][ T8961] ? __pfx_do_new_mount+0x10/0x10 [ 435.074753][ T8961] __se_sys_mount+0x2d6/0x3c0 [ 435.079654][ T8961] ? __pfx___se_sys_mount+0x10/0x10 [ 435.084875][ T8961] ? do_syscall_64+0x100/0x230 [ 435.089913][ T8961] ? __x64_sys_mount+0x20/0xc0 [ 435.094714][ T8961] do_syscall_64+0xf3/0x230 [ 435.099230][ T8961] ? clear_bhb_loop+0x35/0x90 [ 435.103915][ T8961] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 435.109825][ T8961] RIP: 0033:0x7fb3b7d7b61a [ 435.114257][ T8961] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 435.133881][ T8961] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 435.142314][ T8961] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 435.150299][ T8961] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 435.158285][ T8961] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 435.166265][ T8961] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 435.174241][ T8961] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 435.182233][ T8961] [ 435.248355][ T8961] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 435.304589][ T8961] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 435.741261][ T8957] loop4: detected capacity change from 0 to 32768 [ 435.792637][ T8957] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 435.878731][ T8957] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 436.026752][ T8957] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 436.085271][ T6273] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 436.115627][ T6273] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 436.278485][ T6273] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 162ms [ 436.313619][ T6273] gfs2: fsid=syz:syz.0: jid=0: Done [ 436.319537][ T8957] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 436.638480][ T8971] loop0: detected capacity change from 0 to 32768 [ 436.673855][ T8971] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 436.701841][ T8971] CPU: 0 UID: 0 PID: 8971 Comm: syz.0.529 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 436.712629][ T8971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 436.722735][ T8971] Call Trace: [ 436.726153][ T8971] [ 436.729131][ T8971] dump_stack_lvl+0x241/0x360 [ 436.733961][ T8971] ? __pfx_dump_stack_lvl+0x10/0x10 [ 436.739222][ T8971] ? __pfx__printk+0x10/0x10 [ 436.743861][ T8971] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 436.749213][ T8971] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 436.754907][ T8971] sysfs_create_dir_ns+0x2ce/0x3a0 [ 436.760081][ T8971] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 436.765774][ T8971] kobject_add_internal+0x435/0x8d0 [ 436.771035][ T8971] kobject_init_and_add+0x124/0x190 [ 436.776285][ T8971] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 436.782160][ T8971] ? __pfx_kobject_init_and_add+0x10/0x10 [ 436.788286][ T8971] ? __init_swait_queue_head+0xae/0x150 [ 436.793902][ T8971] gfs2_sys_fs_add+0x23b/0x4a0 [ 436.797422][ T8969] loop1: detected capacity change from 0 to 32768 [ 436.798700][ T8971] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 436.798742][ T8971] ? __pfx_alloc_workqueue+0x10/0x10 [ 436.798773][ T8971] ? read_word_at_a_time+0xe/0x20 [ 436.798798][ T8971] ? sized_strscpy+0x8d/0x220 [ 436.798825][ T8971] gfs2_fill_super+0x11ee/0x24d0 [ 436.798877][ T8971] ? __pfx_gfs2_fill_super+0x10/0x10 [ 436.836338][ T8971] ? snprintf+0xda/0x120 [ 436.840645][ T8971] ? __pfx_lock_release+0x10/0x10 [ 436.845822][ T8971] ? do_raw_spin_lock+0x14f/0x370 [ 436.851103][ T8971] ? __pfx_snprintf+0x10/0x10 [ 436.855849][ T8971] ? sb_set_blocksize+0x98/0xf0 [ 436.860770][ T8971] ? setup_bdev_super+0x4e6/0x5d0 [ 436.865858][ T8971] get_tree_bdev+0x3f7/0x570 [ 436.870596][ T8971] ? __pfx_gfs2_fill_super+0x10/0x10 [ 436.875938][ T8971] ? __pfx_get_tree_bdev+0x10/0x10 [ 436.881541][ T8971] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 436.887229][ T8971] gfs2_get_tree+0x54/0x220 [ 436.891792][ T8971] vfs_get_tree+0x90/0x2b0 [ 436.896358][ T8971] do_new_mount+0x2be/0xb40 [ 436.900933][ T8971] ? __pfx_do_new_mount+0x10/0x10 [ 436.906035][ T8971] __se_sys_mount+0x2d6/0x3c0 [ 436.910878][ T8971] ? __pfx___se_sys_mount+0x10/0x10 [ 436.916242][ T8971] ? do_syscall_64+0x100/0x230 [ 436.921066][ T8971] ? __x64_sys_mount+0x20/0xc0 [ 436.925990][ T8971] do_syscall_64+0xf3/0x230 [ 436.930553][ T8971] ? clear_bhb_loop+0x35/0x90 [ 436.935290][ T8971] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 436.941251][ T8971] RIP: 0033:0x7f1bdcf7b61a [ 436.946018][ T8971] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 436.965764][ T8971] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 436.974329][ T8971] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 436.977254][ T8973] loop2: detected capacity change from 0 to 32768 [ 436.982323][ T8971] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 436.982344][ T8971] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 436.982360][ T8971] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 436.982376][ T8971] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 436.982409][ T8971] [ 437.037926][ T8971] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 437.055439][ T8969] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 437.067959][ T8971] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 437.071344][ T8969] CPU: 1 UID: 0 PID: 8969 Comm: syz.1.528 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 437.085118][ T8969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 437.086741][ T8968] loop3: detected capacity change from 0 to 32768 [ 437.095210][ T8969] Call Trace: [ 437.095225][ T8969] [ 437.095235][ T8969] dump_stack_lvl+0x241/0x360 [ 437.095270][ T8969] ? __pfx_dump_stack_lvl+0x10/0x10 [ 437.095296][ T8969] ? __pfx__printk+0x10/0x10 [ 437.095322][ T8969] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 437.095347][ T8969] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 437.114623][ T8973] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 437.117982][ T8969] sysfs_create_dir_ns+0x2ce/0x3a0 [ 437.118020][ T8969] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 437.118051][ T8969] kobject_add_internal+0x435/0x8d0 [ 437.118084][ T8969] kobject_init_and_add+0x124/0x190 [ 437.118108][ T8969] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 437.118141][ T8969] ? __pfx_kobject_init_and_add+0x10/0x10 [ 437.118173][ T8969] ? __init_swait_queue_head+0xae/0x150 [ 437.118208][ T8969] gfs2_sys_fs_add+0x23b/0x4a0 [ 437.118237][ T8969] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 437.118272][ T8969] ? __pfx_alloc_workqueue+0x10/0x10 [ 437.195947][ T8969] ? read_word_at_a_time+0xe/0x20 [ 437.201267][ T8969] ? sized_strscpy+0x8d/0x220 [ 437.205964][ T8969] gfs2_fill_super+0x11ee/0x24d0 [ 437.210941][ T8969] ? __pfx_gfs2_fill_super+0x10/0x10 [ 437.216407][ T8969] ? snprintf+0xda/0x120 [ 437.220697][ T8969] ? __pfx_lock_release+0x10/0x10 [ 437.225741][ T8969] ? do_raw_spin_lock+0x14f/0x370 [ 437.230796][ T8969] ? __pfx_snprintf+0x10/0x10 [ 437.235500][ T8969] ? sb_set_blocksize+0x98/0xf0 [ 437.240373][ T8969] ? setup_bdev_super+0x4e6/0x5d0 [ 437.245588][ T8969] get_tree_bdev+0x3f7/0x570 [ 437.250199][ T8969] ? __pfx_gfs2_fill_super+0x10/0x10 [ 437.255500][ T8969] ? __pfx_get_tree_bdev+0x10/0x10 [ 437.260637][ T8969] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 437.266401][ T8969] gfs2_get_tree+0x54/0x220 [ 437.270928][ T8969] vfs_get_tree+0x90/0x2b0 [ 437.275448][ T8969] do_new_mount+0x2be/0xb40 [ 437.279979][ T8969] ? __pfx_do_new_mount+0x10/0x10 [ 437.285040][ T8969] __se_sys_mount+0x2d6/0x3c0 [ 437.289767][ T8969] ? __pfx___se_sys_mount+0x10/0x10 [ 437.295095][ T8969] ? do_syscall_64+0x100/0x230 [ 437.299888][ T8969] ? __x64_sys_mount+0x20/0xc0 [ 437.304688][ T8969] do_syscall_64+0xf3/0x230 [ 437.309218][ T8969] ? clear_bhb_loop+0x35/0x90 [ 437.313917][ T8969] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 437.319850][ T8969] RIP: 0033:0x7f5668b7b61a [ 437.324324][ T8969] 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 [ 437.343945][ T8969] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 437.352382][ T8969] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 437.360454][ T8969] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 437.368442][ T8969] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 437.376560][ T8969] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 437.384581][ T8969] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 437.392752][ T8969] [ 437.398454][ T8969] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 437.399358][ T8973] CPU: 1 UID: 0 PID: 8973 Comm: syz.2.531 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 437.423457][ T8973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 437.426025][ T8969] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 437.433552][ T8973] Call Trace: [ 437.433568][ T8973] [ 437.433579][ T8973] dump_stack_lvl+0x241/0x360 [ 437.433615][ T8973] ? __pfx_dump_stack_lvl+0x10/0x10 [ 437.456389][ T8973] ? __pfx__printk+0x10/0x10 [ 437.461013][ T8973] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 437.466324][ T8973] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 437.471899][ T8973] sysfs_create_dir_ns+0x2ce/0x3a0 [ 437.477135][ T8973] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 437.482886][ T8973] kobject_add_internal+0x435/0x8d0 [ 437.488375][ T8973] kobject_init_and_add+0x124/0x190 [ 437.493764][ T8973] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 437.499594][ T8973] ? __pfx_kobject_init_and_add+0x10/0x10 [ 437.505332][ T8973] ? __init_swait_queue_head+0xae/0x150 [ 437.511011][ T8973] gfs2_sys_fs_add+0x23b/0x4a0 [ 437.515807][ T8973] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 437.521119][ T8973] ? __pfx_alloc_workqueue+0x10/0x10 [ 437.526424][ T8973] ? read_word_at_a_time+0xe/0x20 [ 437.531467][ T8973] ? sized_strscpy+0x8d/0x220 [ 437.536165][ T8973] gfs2_fill_super+0x11ee/0x24d0 [ 437.541230][ T8973] ? __pfx_gfs2_fill_super+0x10/0x10 [ 437.546600][ T8973] ? snprintf+0xda/0x120 [ 437.550865][ T8973] ? __pfx_lock_release+0x10/0x10 [ 437.556005][ T8973] ? do_raw_spin_lock+0x14f/0x370 [ 437.561171][ T8973] ? __pfx_snprintf+0x10/0x10 [ 437.566141][ T8973] ? sb_set_blocksize+0x98/0xf0 [ 437.571098][ T8973] ? setup_bdev_super+0x4e6/0x5d0 [ 437.576144][ T8973] get_tree_bdev+0x3f7/0x570 [ 437.580848][ T8973] ? __pfx_gfs2_fill_super+0x10/0x10 [ 437.586516][ T8973] ? __pfx_get_tree_bdev+0x10/0x10 [ 437.591731][ T8973] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 437.597382][ T8973] gfs2_get_tree+0x54/0x220 [ 437.601909][ T8973] vfs_get_tree+0x90/0x2b0 [ 437.606355][ T8973] do_new_mount+0x2be/0xb40 [ 437.611003][ T8973] ? __pfx_do_new_mount+0x10/0x10 [ 437.616073][ T8973] __se_sys_mount+0x2d6/0x3c0 [ 437.620789][ T8973] ? __pfx___se_sys_mount+0x10/0x10 [ 437.626016][ T8973] ? do_syscall_64+0x100/0x230 [ 437.630830][ T8973] ? __x64_sys_mount+0x20/0xc0 [ 437.635728][ T8973] do_syscall_64+0xf3/0x230 [ 437.640283][ T8973] ? clear_bhb_loop+0x35/0x90 [ 437.644979][ T8973] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 437.650998][ T8973] RIP: 0033:0x7f9d6317b61a [ 437.655514][ T8973] 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 [ 437.675580][ T8973] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 437.684125][ T8973] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 437.692133][ T8973] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 437.700410][ T8973] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 437.708601][ T8973] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 437.716686][ T8973] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 437.724721][ T8973] [ 437.745698][ T8973] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 437.761051][ T8968] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 437.789041][ T8968] CPU: 0 UID: 0 PID: 8968 Comm: syz.3.530 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 437.799796][ T8968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 437.809985][ T8968] Call Trace: [ 437.813316][ T8968] [ 437.816287][ T8968] dump_stack_lvl+0x241/0x360 [ 437.821100][ T8968] ? __pfx_dump_stack_lvl+0x10/0x10 [ 437.826441][ T8968] ? __pfx__printk+0x10/0x10 [ 437.831076][ T8968] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 437.836396][ T8968] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 437.841989][ T8968] sysfs_create_dir_ns+0x2ce/0x3a0 [ 437.847157][ T8968] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 437.852849][ T8968] kobject_add_internal+0x435/0x8d0 [ 437.858106][ T8968] kobject_init_and_add+0x124/0x190 [ 437.863436][ T8968] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 437.869474][ T8968] ? __pfx_kobject_init_and_add+0x10/0x10 [ 437.875254][ T8968] ? __init_swait_queue_head+0xae/0x150 [ 437.881295][ T8968] gfs2_sys_fs_add+0x23b/0x4a0 [ 437.886162][ T8968] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 437.891509][ T8968] ? __pfx_alloc_workqueue+0x10/0x10 [ 437.896940][ T8968] ? read_word_at_a_time+0xe/0x20 [ 437.902009][ T8968] ? sized_strscpy+0x8d/0x220 [ 437.906741][ T8968] gfs2_fill_super+0x11ee/0x24d0 [ 437.911842][ T8968] ? __pfx_gfs2_fill_super+0x10/0x10 [ 437.917184][ T8968] ? snprintf+0xda/0x120 [ 437.921479][ T8968] ? __pfx_lock_release+0x10/0x10 [ 437.926550][ T8968] ? do_raw_spin_lock+0x14f/0x370 [ 437.931626][ T8968] ? __pfx_snprintf+0x10/0x10 [ 437.936457][ T8968] ? sb_set_blocksize+0x98/0xf0 [ 437.941360][ T8968] ? setup_bdev_super+0x4e6/0x5d0 [ 437.946462][ T8968] get_tree_bdev+0x3f7/0x570 [ 437.951110][ T8968] ? __pfx_gfs2_fill_super+0x10/0x10 [ 437.956450][ T8968] ? __pfx_get_tree_bdev+0x10/0x10 [ 437.961789][ T8968] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 437.967906][ T8968] gfs2_get_tree+0x54/0x220 [ 437.972460][ T8968] vfs_get_tree+0x90/0x2b0 [ 437.977031][ T8968] do_new_mount+0x2be/0xb40 [ 437.981589][ T8968] ? __pfx_do_new_mount+0x10/0x10 [ 437.986679][ T8968] __se_sys_mount+0x2d6/0x3c0 [ 437.991408][ T8968] ? __pfx___se_sys_mount+0x10/0x10 [ 437.996688][ T8968] ? do_syscall_64+0x100/0x230 [ 438.001581][ T8968] ? __x64_sys_mount+0x20/0xc0 [ 438.006438][ T8968] do_syscall_64+0xf3/0x230 [ 438.011170][ T8968] ? clear_bhb_loop+0x35/0x90 [ 438.015893][ T8968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 438.021838][ T8968] RIP: 0033:0x7fb3b7d7b61a [ 438.026298][ T8968] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 438.046035][ T8968] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 438.054561][ T8968] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 438.062635][ T8968] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 438.070682][ T8968] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 438.078676][ T8968] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 438.086748][ T8968] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 438.094831][ T8968] [ 438.116262][ T8973] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 438.134305][ T8968] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 438.157863][ T8968] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 439.587237][ T8987] loop4: detected capacity change from 0 to 32768 [ 439.601434][ T8989] loop0: detected capacity change from 0 to 32768 [ 439.639117][ T8989] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 439.639888][ T8987] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 439.646738][ T8989] CPU: 0 UID: 0 PID: 8989 Comm: syz.0.533 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 439.665558][ T8989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 439.675668][ T8989] Call Trace: [ 439.678980][ T8989] [ 439.682030][ T8989] dump_stack_lvl+0x241/0x360 [ 439.686762][ T8989] ? __pfx_dump_stack_lvl+0x10/0x10 [ 439.692014][ T8989] ? __pfx__printk+0x10/0x10 [ 439.696663][ T8989] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 439.702001][ T8989] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 439.707604][ T8989] sysfs_create_dir_ns+0x2ce/0x3a0 [ 439.712869][ T8989] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 439.718565][ T8989] kobject_add_internal+0x435/0x8d0 [ 439.723818][ T8989] kobject_init_and_add+0x124/0x190 [ 439.729056][ T8989] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 439.734923][ T8989] ? __pfx_kobject_init_and_add+0x10/0x10 [ 439.740702][ T8989] ? __init_swait_queue_head+0xae/0x150 [ 439.746307][ T8989] gfs2_sys_fs_add+0x23b/0x4a0 [ 439.751218][ T8989] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 439.756004][ T8987] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 439.756633][ T8989] ? __pfx_alloc_workqueue+0x10/0x10 [ 439.768890][ T8989] ? read_word_at_a_time+0xe/0x20 [ 439.773963][ T8989] ? sized_strscpy+0x8d/0x220 [ 439.778695][ T8989] gfs2_fill_super+0x11ee/0x24d0 [ 439.783713][ T8989] ? __pfx_gfs2_fill_super+0x10/0x10 [ 439.789046][ T8989] ? snprintf+0xda/0x120 [ 439.793345][ T8989] ? __pfx_lock_release+0x10/0x10 [ 439.798429][ T8989] ? do_raw_spin_lock+0x14f/0x370 [ 439.803774][ T8989] ? __pfx_snprintf+0x10/0x10 [ 439.808520][ T8989] ? sb_set_blocksize+0x98/0xf0 [ 439.813415][ T8989] ? setup_bdev_super+0x4e6/0x5d0 [ 439.818496][ T8989] get_tree_bdev+0x3f7/0x570 [ 439.823283][ T8989] ? __pfx_gfs2_fill_super+0x10/0x10 [ 439.828588][ T8989] ? __pfx_get_tree_bdev+0x10/0x10 [ 439.833820][ T8989] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 439.839558][ T8989] gfs2_get_tree+0x54/0x220 [ 439.844084][ T8989] vfs_get_tree+0x90/0x2b0 [ 439.848521][ T8989] do_new_mount+0x2be/0xb40 [ 439.853052][ T8989] ? __pfx_do_new_mount+0x10/0x10 [ 439.858122][ T8989] __se_sys_mount+0x2d6/0x3c0 [ 439.862833][ T8989] ? __pfx___se_sys_mount+0x10/0x10 [ 439.868081][ T8989] ? do_syscall_64+0x100/0x230 [ 439.872883][ T8989] ? __x64_sys_mount+0x20/0xc0 [ 439.877666][ T8989] do_syscall_64+0xf3/0x230 [ 439.882185][ T8989] ? clear_bhb_loop+0x35/0x90 [ 439.886878][ T8989] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 439.892790][ T8989] RIP: 0033:0x7f1bdcf7b61a [ 439.897217][ T8989] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 439.916924][ T8989] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 439.925444][ T8989] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 439.933527][ T8989] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 439.941600][ T8989] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 439.949681][ T8989] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 439.957665][ T8989] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 439.965670][ T8989] [ 439.995778][ T8991] loop1: detected capacity change from 0 to 32768 [ 440.003844][ T8989] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 440.028332][ T8989] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 440.064205][ T8991] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 440.107914][ T8991] CPU: 1 UID: 0 PID: 8991 Comm: syz.1.534 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 440.118770][ T8991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 440.128965][ T8991] Call Trace: [ 440.132304][ T8991] [ 440.133007][ T8994] loop2: detected capacity change from 0 to 32768 [ 440.135348][ T8991] dump_stack_lvl+0x241/0x360 [ 440.146480][ T8991] ? __pfx_dump_stack_lvl+0x10/0x10 [ 440.151726][ T8991] ? __pfx__printk+0x10/0x10 [ 440.156357][ T8991] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 440.161687][ T8991] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 440.167276][ T8991] sysfs_create_dir_ns+0x2ce/0x3a0 [ 440.172528][ T8991] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 440.178213][ T8991] kobject_add_internal+0x435/0x8d0 [ 440.181347][ T8995] loop3: detected capacity change from 0 to 32768 [ 440.183451][ T8991] kobject_init_and_add+0x124/0x190 [ 440.195098][ T8991] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 440.200976][ T8991] ? __pfx_kobject_init_and_add+0x10/0x10 [ 440.201240][ T8987] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 440.206816][ T8991] ? __init_swait_queue_head+0xae/0x150 [ 440.216038][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 440.219923][ T8991] gfs2_sys_fs_add+0x23b/0x4a0 [ 440.219959][ T8991] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 440.219994][ T8991] ? __pfx_alloc_workqueue+0x10/0x10 [ 440.220025][ T8991] ? read_word_at_a_time+0xe/0x20 [ 440.220050][ T8991] ? sized_strscpy+0x8d/0x220 [ 440.220079][ T8991] gfs2_fill_super+0x11ee/0x24d0 [ 440.220134][ T8991] ? __pfx_gfs2_fill_super+0x10/0x10 [ 440.220162][ T8991] ? snprintf+0xda/0x120 [ 440.220188][ T8991] ? __pfx_lock_release+0x10/0x10 [ 440.220219][ T8991] ? do_raw_spin_lock+0x14f/0x370 [ 440.220251][ T8991] ? __pfx_snprintf+0x10/0x10 [ 440.220288][ T8991] ? sb_set_blocksize+0x98/0xf0 [ 440.220314][ T8991] ? setup_bdev_super+0x4e6/0x5d0 [ 440.220348][ T8991] get_tree_bdev+0x3f7/0x570 [ 440.220380][ T8991] ? __pfx_gfs2_fill_super+0x10/0x10 [ 440.220410][ T8991] ? __pfx_get_tree_bdev+0x10/0x10 [ 440.220440][ T8991] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 440.312780][ T8991] gfs2_get_tree+0x54/0x220 [ 440.317320][ T8991] vfs_get_tree+0x90/0x2b0 [ 440.321768][ T8991] do_new_mount+0x2be/0xb40 [ 440.326468][ T8991] ? __pfx_do_new_mount+0x10/0x10 [ 440.331534][ T8991] __se_sys_mount+0x2d6/0x3c0 [ 440.336327][ T8991] ? __pfx___se_sys_mount+0x10/0x10 [ 440.341540][ T8991] ? do_syscall_64+0x100/0x230 [ 440.346329][ T8991] ? __x64_sys_mount+0x20/0xc0 [ 440.351198][ T8991] do_syscall_64+0xf3/0x230 [ 440.355712][ T8991] ? clear_bhb_loop+0x35/0x90 [ 440.360410][ T8991] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 440.366343][ T8991] RIP: 0033:0x7f5668b7b61a [ 440.370790][ T8991] 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 [ 440.390501][ T8991] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 440.399031][ T8991] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 440.407012][ T8991] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 440.415081][ T8991] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 440.423087][ T8991] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 440.431126][ T8991] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 440.439247][ T8991] [ 440.457817][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 440.534042][ T1268] ieee802154 phy0 wpan0: encryption failed: -22 [ 440.541514][ T1268] ieee802154 phy1 wpan1: encryption failed: -22 [ 440.559174][ T8991] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 440.575986][ T8994] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 440.578616][ T8991] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 440.591438][ T8994] CPU: 0 UID: 0 PID: 8994 Comm: syz.2.536 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 440.591473][ T8994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 440.591487][ T8994] Call Trace: [ 440.591498][ T8994] [ 440.591509][ T8994] dump_stack_lvl+0x241/0x360 [ 440.591544][ T8994] ? __pfx_dump_stack_lvl+0x10/0x10 [ 440.591571][ T8994] ? __pfx__printk+0x10/0x10 [ 440.634231][ T8994] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 440.639585][ T8994] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 440.645156][ T8994] sysfs_create_dir_ns+0x2ce/0x3a0 [ 440.650400][ T8994] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 440.656319][ T8994] kobject_add_internal+0x435/0x8d0 [ 440.661635][ T8994] kobject_init_and_add+0x124/0x190 [ 440.666858][ T8994] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 440.672686][ T8994] ? __pfx_kobject_init_and_add+0x10/0x10 [ 440.678513][ T8994] ? __init_swait_queue_head+0xae/0x150 [ 440.684084][ T8994] gfs2_sys_fs_add+0x23b/0x4a0 [ 440.688903][ T8994] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 440.694220][ T8994] ? __pfx_alloc_workqueue+0x10/0x10 [ 440.699639][ T8994] ? read_word_at_a_time+0xe/0x20 [ 440.704677][ T8994] ? sized_strscpy+0x8d/0x220 [ 440.709543][ T8994] gfs2_fill_super+0x11ee/0x24d0 [ 440.714519][ T8994] ? __pfx_gfs2_fill_super+0x10/0x10 [ 440.720519][ T8994] ? snprintf+0xda/0x120 [ 440.724950][ T8994] ? __pfx_lock_release+0x10/0x10 [ 440.730094][ T8994] ? do_raw_spin_lock+0x14f/0x370 [ 440.735140][ T8994] ? __pfx_snprintf+0x10/0x10 [ 440.739929][ T8994] ? sb_set_blocksize+0x98/0xf0 [ 440.744795][ T8994] ? setup_bdev_super+0x4e6/0x5d0 [ 440.749849][ T8994] get_tree_bdev+0x3f7/0x570 [ 440.754468][ T8994] ? __pfx_gfs2_fill_super+0x10/0x10 [ 440.759772][ T8994] ? __pfx_get_tree_bdev+0x10/0x10 [ 440.764905][ T8994] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 440.770561][ T8994] gfs2_get_tree+0x54/0x220 [ 440.775175][ T8994] vfs_get_tree+0x90/0x2b0 [ 440.779706][ T8994] do_new_mount+0x2be/0xb40 [ 440.784230][ T8994] ? __pfx_do_new_mount+0x10/0x10 [ 440.789285][ T8994] __se_sys_mount+0x2d6/0x3c0 [ 440.793990][ T8994] ? __pfx___se_sys_mount+0x10/0x10 [ 440.799297][ T8994] ? do_syscall_64+0x100/0x230 [ 440.804075][ T8994] ? __x64_sys_mount+0x20/0xc0 [ 440.808962][ T8994] do_syscall_64+0xf3/0x230 [ 440.813547][ T8994] ? clear_bhb_loop+0x35/0x90 [ 440.818239][ T8994] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 440.824331][ T8994] RIP: 0033:0x7f9d6317b61a [ 440.828855][ T8994] 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 [ 440.848590][ T8994] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 440.857121][ T8994] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 440.865290][ T8994] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 440.873281][ T8994] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 440.881575][ T8994] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 440.889568][ T8994] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 440.897577][ T8994] [ 440.908347][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 450ms [ 440.916995][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 440.924128][ T8994] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 440.939461][ T8987] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 440.952247][ T8995] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 440.965518][ T8995] CPU: 1 UID: 0 PID: 8995 Comm: syz.3.535 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 440.975827][ T8994] gfs2: fsid=syz:syz: error -17 adding sysfs files 2024/10/16 08:13:46 executed programs: 532 [ 440.976246][ T8995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 440.993137][ T8995] Call Trace: [ 440.996460][ T8995] [ 440.999526][ T8995] dump_stack_lvl+0x241/0x360 [ 441.004267][ T8995] ? __pfx_dump_stack_lvl+0x10/0x10 [ 441.009595][ T8995] ? __pfx__printk+0x10/0x10 [ 441.014243][ T8995] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 441.019602][ T8995] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 441.025207][ T8995] sysfs_create_dir_ns+0x2ce/0x3a0 [ 441.030461][ T8995] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 441.036172][ T8995] kobject_add_internal+0x435/0x8d0 [ 441.041567][ T8995] kobject_init_and_add+0x124/0x190 [ 441.044150][ T8987] gfs2: fsid=syz:syz.0: can't create logd thread: -4 [ 441.046838][ T8995] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 441.046880][ T8995] ? __pfx_kobject_init_and_add+0x10/0x10 [ 441.065225][ T8995] ? __init_swait_queue_head+0xae/0x150 [ 441.070919][ T8995] gfs2_sys_fs_add+0x23b/0x4a0 [ 441.075727][ T8995] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 441.081046][ T8995] ? __pfx_alloc_workqueue+0x10/0x10 [ 441.086350][ T8995] ? read_word_at_a_time+0xe/0x20 [ 441.091406][ T8995] ? sized_strscpy+0x8d/0x220 [ 441.096364][ T8995] gfs2_fill_super+0x11ee/0x24d0 [ 441.101429][ T8995] ? __pfx_gfs2_fill_super+0x10/0x10 [ 441.106909][ T8995] ? snprintf+0xda/0x120 [ 441.111167][ T8995] ? __pfx_lock_release+0x10/0x10 [ 441.116227][ T8995] ? do_raw_spin_lock+0x14f/0x370 [ 441.121305][ T8995] ? __pfx_snprintf+0x10/0x10 [ 441.126006][ T8995] ? sb_set_blocksize+0x98/0xf0 [ 441.130876][ T8995] ? setup_bdev_super+0x4e6/0x5d0 [ 441.135918][ T8995] get_tree_bdev+0x3f7/0x570 [ 441.140530][ T8995] ? __pfx_gfs2_fill_super+0x10/0x10 [ 441.146108][ T8995] ? __pfx_get_tree_bdev+0x10/0x10 [ 441.151246][ T8995] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 441.156902][ T8995] gfs2_get_tree+0x54/0x220 [ 441.161427][ T8995] vfs_get_tree+0x90/0x2b0 [ 441.165884][ T8995] do_new_mount+0x2be/0xb40 [ 441.170672][ T8995] ? __pfx_do_new_mount+0x10/0x10 [ 441.175808][ T8995] __se_sys_mount+0x2d6/0x3c0 [ 441.180561][ T8995] ? __pfx___se_sys_mount+0x10/0x10 [ 441.185869][ T8995] ? do_syscall_64+0x100/0x230 [ 441.190744][ T8995] ? __x64_sys_mount+0x20/0xc0 [ 441.195529][ T8995] do_syscall_64+0xf3/0x230 [ 441.200049][ T8995] ? clear_bhb_loop+0x35/0x90 [ 441.204745][ T8995] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 441.210656][ T8995] RIP: 0033:0x7fb3b7d7b61a [ 441.215082][ T8995] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 441.234789][ T8995] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 441.243307][ T8995] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 441.251294][ T8995] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 441.259298][ T8995] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 441.267302][ T8995] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 441.275299][ T8995] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 441.283478][ T8995] [ 441.290661][ T8995] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 441.306077][ T8995] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 442.481454][ T9008] loop0: detected capacity change from 0 to 32768 [ 442.530680][ T9008] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 442.570000][ T9008] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 442.674873][ T9008] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 442.703347][ T937] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 442.713425][ T937] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 442.859236][ T937] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 145ms [ 442.877636][ T937] gfs2: fsid=syz:syz.0: jid=0: Done [ 442.897645][ T9008] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 442.898013][ T9010] loop1: detected capacity change from 0 to 32768 [ 442.933702][ T9010] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 442.954523][ T9010] CPU: 0 UID: 0 PID: 9010 Comm: syz.1.539 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 442.965204][ T9010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 442.975610][ T9010] Call Trace: [ 442.978938][ T9010] [ 442.981989][ T9010] dump_stack_lvl+0x241/0x360 [ 442.985286][ T9012] loop2: detected capacity change from 0 to 32768 [ 442.987083][ T9010] ? __pfx_dump_stack_lvl+0x10/0x10 [ 442.998825][ T9010] ? __pfx__printk+0x10/0x10 [ 443.003468][ T9010] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 443.008812][ T9010] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 443.014459][ T9010] sysfs_create_dir_ns+0x2ce/0x3a0 [ 443.019823][ T9010] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 443.025607][ T9010] kobject_add_internal+0x435/0x8d0 [ 443.030969][ T9010] kobject_init_and_add+0x124/0x190 [ 443.036393][ T9010] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 443.042350][ T9010] ? __pfx_kobject_init_and_add+0x10/0x10 [ 443.048302][ T9010] ? __init_swait_queue_head+0xae/0x150 [ 443.053999][ T9010] gfs2_sys_fs_add+0x23b/0x4a0 [ 443.058814][ T9010] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 443.064169][ T9010] ? __pfx_alloc_workqueue+0x10/0x10 [ 443.069511][ T9010] ? read_word_at_a_time+0xe/0x20 [ 443.074697][ T9010] ? sized_strscpy+0x8d/0x220 [ 443.079424][ T9010] gfs2_fill_super+0x11ee/0x24d0 [ 443.084433][ T9010] ? __pfx_gfs2_fill_super+0x10/0x10 [ 443.089771][ T9010] ? snprintf+0xda/0x120 [ 443.094157][ T9010] ? __pfx_lock_release+0x10/0x10 [ 443.099237][ T9010] ? do_raw_spin_lock+0x14f/0x370 [ 443.104316][ T9010] ? __pfx_snprintf+0x10/0x10 [ 443.109138][ T9010] ? sb_set_blocksize+0x98/0xf0 [ 443.114034][ T9010] ? setup_bdev_super+0x4e6/0x5d0 [ 443.119111][ T9010] get_tree_bdev+0x3f7/0x570 [ 443.123848][ T9010] ? __pfx_gfs2_fill_super+0x10/0x10 [ 443.129356][ T9010] ? __pfx_get_tree_bdev+0x10/0x10 [ 443.134565][ T9010] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 443.135637][ T9015] loop4: detected capacity change from 0 to 32768 [ 443.140224][ T9010] gfs2_get_tree+0x54/0x220 [ 443.140265][ T9010] vfs_get_tree+0x90/0x2b0 [ 443.140297][ T9010] do_new_mount+0x2be/0xb40 [ 443.140332][ T9010] ? __pfx_do_new_mount+0x10/0x10 [ 443.140371][ T9010] __se_sys_mount+0x2d6/0x3c0 [ 443.140405][ T9010] ? __pfx___se_sys_mount+0x10/0x10 [ 443.140437][ T9010] ? do_syscall_64+0x100/0x230 [ 443.140465][ T9010] ? __x64_sys_mount+0x20/0xc0 [ 443.140497][ T9010] do_syscall_64+0xf3/0x230 [ 443.140522][ T9010] ? clear_bhb_loop+0x35/0x90 [ 443.140549][ T9010] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 443.140580][ T9010] RIP: 0033:0x7f5668b7b61a [ 443.140603][ T9010] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 443.140623][ T9010] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 443.140653][ T9010] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 443.140673][ T9010] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 443.140691][ T9010] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 443.140708][ T9010] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 443.140725][ T9010] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 443.140761][ T9010] [ 443.283135][ T9010] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 443.299698][ T9010] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 443.356260][ T9012] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 443.368902][ T9012] CPU: 0 UID: 0 PID: 9012 Comm: syz.2.540 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 443.379845][ T9012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 443.390116][ T9012] Call Trace: [ 443.393431][ T9012] [ 443.396414][ T9012] dump_stack_lvl+0x241/0x360 [ 443.401149][ T9012] ? __pfx_dump_stack_lvl+0x10/0x10 [ 443.406406][ T9012] ? __pfx__printk+0x10/0x10 [ 443.411044][ T9012] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 443.416366][ T9012] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 443.421956][ T9012] sysfs_create_dir_ns+0x2ce/0x3a0 [ 443.427194][ T9012] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 443.432972][ T9012] kobject_add_internal+0x435/0x8d0 [ 443.438223][ T9012] kobject_init_and_add+0x124/0x190 [ 443.441112][ T9016] loop3: detected capacity change from 0 to 32768 [ 443.443443][ T9012] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 443.455718][ T9012] ? __pfx_kobject_init_and_add+0x10/0x10 [ 443.461586][ T9012] ? __init_swait_queue_head+0xae/0x150 [ 443.467171][ T9012] gfs2_sys_fs_add+0x23b/0x4a0 [ 443.471967][ T9012] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 443.477280][ T9012] ? __pfx_alloc_workqueue+0x10/0x10 [ 443.482707][ T9012] ? read_word_at_a_time+0xe/0x20 [ 443.487919][ T9012] ? sized_strscpy+0x8d/0x220 [ 443.492612][ T9012] gfs2_fill_super+0x11ee/0x24d0 [ 443.497721][ T9012] ? __pfx_gfs2_fill_super+0x10/0x10 [ 443.503080][ T9012] ? snprintf+0xda/0x120 [ 443.507358][ T9012] ? __pfx_lock_release+0x10/0x10 [ 443.512421][ T9012] ? do_raw_spin_lock+0x14f/0x370 [ 443.517498][ T9012] ? __pfx_snprintf+0x10/0x10 [ 443.522198][ T9012] ? sb_set_blocksize+0x98/0xf0 [ 443.527063][ T9012] ? setup_bdev_super+0x4e6/0x5d0 [ 443.532107][ T9012] get_tree_bdev+0x3f7/0x570 [ 443.536720][ T9012] ? __pfx_gfs2_fill_super+0x10/0x10 [ 443.542284][ T9012] ? __pfx_get_tree_bdev+0x10/0x10 [ 443.547504][ T9012] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 443.553162][ T9012] gfs2_get_tree+0x54/0x220 [ 443.557709][ T9012] vfs_get_tree+0x90/0x2b0 [ 443.562335][ T9012] do_new_mount+0x2be/0xb40 [ 443.567046][ T9012] ? __pfx_do_new_mount+0x10/0x10 [ 443.572101][ T9012] __se_sys_mount+0x2d6/0x3c0 [ 443.577411][ T9012] ? __pfx___se_sys_mount+0x10/0x10 [ 443.582722][ T9012] ? do_syscall_64+0x100/0x230 [ 443.587502][ T9012] ? __x64_sys_mount+0x20/0xc0 [ 443.592285][ T9012] do_syscall_64+0xf3/0x230 [ 443.597001][ T9012] ? clear_bhb_loop+0x35/0x90 [ 443.601689][ T9012] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 443.607686][ T9012] RIP: 0033:0x7f9d6317b61a [ 443.612129][ T9012] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 443.632073][ T9012] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 443.640704][ T9012] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 443.648689][ T9012] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 443.656674][ T9012] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 443.664660][ T9012] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 443.672646][ T9012] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 443.680837][ T9012] [ 443.714381][ T9012] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 443.728833][ T9012] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 443.737675][ T9015] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 443.745568][ T9015] CPU: 1 UID: 0 PID: 9015 Comm: syz.4.538 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 443.756211][ T9015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 443.766322][ T9015] Call Trace: [ 443.769643][ T9015] [ 443.772617][ T9015] dump_stack_lvl+0x241/0x360 [ 443.777353][ T9015] ? __pfx_dump_stack_lvl+0x10/0x10 [ 443.782644][ T9015] ? __pfx__printk+0x10/0x10 [ 443.787286][ T9015] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 443.792624][ T9015] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 443.798224][ T9015] sysfs_create_dir_ns+0x2ce/0x3a0 [ 443.803474][ T9015] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 443.809254][ T9015] kobject_add_internal+0x435/0x8d0 [ 443.814542][ T9015] kobject_init_and_add+0x124/0x190 [ 443.819909][ T9015] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 443.825951][ T9015] ? __pfx_kobject_init_and_add+0x10/0x10 [ 443.831734][ T9015] ? __init_swait_queue_head+0xae/0x150 [ 443.837332][ T9015] gfs2_sys_fs_add+0x23b/0x4a0 [ 443.842122][ T9015] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 443.847419][ T9015] ? __pfx_alloc_workqueue+0x10/0x10 [ 443.852738][ T9015] ? read_word_at_a_time+0xe/0x20 [ 443.855692][ T9016] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 443.857787][ T9015] ? sized_strscpy+0x8d/0x220 [ 443.857821][ T9015] gfs2_fill_super+0x11ee/0x24d0 [ 443.857881][ T9015] ? __pfx_gfs2_fill_super+0x10/0x10 [ 443.857911][ T9015] ? snprintf+0xda/0x120 [ 443.857937][ T9015] ? __pfx_lock_release+0x10/0x10 [ 443.857966][ T9015] ? do_raw_spin_lock+0x14f/0x370 [ 443.857999][ T9015] ? __pfx_snprintf+0x10/0x10 [ 443.858036][ T9015] ? sb_set_blocksize+0x98/0xf0 [ 443.858066][ T9015] ? setup_bdev_super+0x4e6/0x5d0 [ 443.858100][ T9015] get_tree_bdev+0x3f7/0x570 [ 443.858133][ T9015] ? __pfx_gfs2_fill_super+0x10/0x10 [ 443.858164][ T9015] ? __pfx_get_tree_bdev+0x10/0x10 [ 443.858197][ T9015] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 443.858231][ T9015] gfs2_get_tree+0x54/0x220 [ 443.858267][ T9015] vfs_get_tree+0x90/0x2b0 [ 443.858299][ T9015] do_new_mount+0x2be/0xb40 [ 443.944595][ T9015] ? __pfx_do_new_mount+0x10/0x10 [ 443.949868][ T9015] __se_sys_mount+0x2d6/0x3c0 [ 443.954962][ T9015] ? __pfx___se_sys_mount+0x10/0x10 [ 443.960253][ T9015] ? do_syscall_64+0x100/0x230 [ 443.965074][ T9015] ? __x64_sys_mount+0x20/0xc0 [ 443.969898][ T9015] do_syscall_64+0xf3/0x230 [ 443.974455][ T9015] ? clear_bhb_loop+0x35/0x90 [ 443.979164][ T9015] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 443.985164][ T9015] RIP: 0033:0x7f81e077b61a [ 443.989603][ T9015] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 444.009511][ T9015] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 444.017961][ T9015] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 444.025971][ T9015] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 444.034062][ T9015] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 444.042247][ T9015] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 444.050354][ T9015] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 444.058395][ T9015] [ 444.063423][ T9016] CPU: 0 UID: 0 PID: 9016 Comm: syz.3.541 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 444.074073][ T9016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 444.084256][ T9016] Call Trace: [ 444.087572][ T9016] [ 444.090546][ T9016] dump_stack_lvl+0x241/0x360 [ 444.095270][ T9016] ? __pfx_dump_stack_lvl+0x10/0x10 [ 444.100614][ T9016] ? __pfx__printk+0x10/0x10 [ 444.105513][ T9016] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 444.110842][ T9016] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 444.114758][ T9015] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 444.116408][ T9016] sysfs_create_dir_ns+0x2ce/0x3a0 [ 444.134119][ T9015] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 444.135603][ T9016] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 444.147974][ T9016] kobject_add_internal+0x435/0x8d0 [ 444.153241][ T9016] kobject_init_and_add+0x124/0x190 [ 444.158489][ T9016] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 444.164443][ T9016] ? __pfx_kobject_init_and_add+0x10/0x10 [ 444.170227][ T9016] ? __init_swait_queue_head+0xae/0x150 [ 444.175824][ T9016] gfs2_sys_fs_add+0x23b/0x4a0 [ 444.180639][ T9016] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 444.186077][ T9016] ? __pfx_alloc_workqueue+0x10/0x10 [ 444.191655][ T9016] ? read_word_at_a_time+0xe/0x20 [ 444.196954][ T9016] ? sized_strscpy+0x8d/0x220 [ 444.201811][ T9016] gfs2_fill_super+0x11ee/0x24d0 [ 444.206928][ T9016] ? __pfx_gfs2_fill_super+0x10/0x10 [ 444.212367][ T9016] ? snprintf+0xda/0x120 [ 444.216668][ T9016] ? __pfx_lock_release+0x10/0x10 [ 444.221932][ T9016] ? do_raw_spin_lock+0x14f/0x370 [ 444.227020][ T9016] ? __pfx_snprintf+0x10/0x10 [ 444.232074][ T9016] ? sb_set_blocksize+0x98/0xf0 [ 444.237063][ T9016] ? setup_bdev_super+0x4e6/0x5d0 [ 444.242236][ T9016] get_tree_bdev+0x3f7/0x570 [ 444.246893][ T9016] ? __pfx_gfs2_fill_super+0x10/0x10 [ 444.252326][ T9016] ? __pfx_get_tree_bdev+0x10/0x10 [ 444.257499][ T9016] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 444.263218][ T9016] gfs2_get_tree+0x54/0x220 [ 444.267984][ T9016] vfs_get_tree+0x90/0x2b0 [ 444.272470][ T9016] do_new_mount+0x2be/0xb40 [ 444.277035][ T9016] ? __pfx_do_new_mount+0x10/0x10 [ 444.282128][ T9016] __se_sys_mount+0x2d6/0x3c0 [ 444.286872][ T9016] ? __pfx___se_sys_mount+0x10/0x10 [ 444.292135][ T9016] ? do_syscall_64+0x100/0x230 [ 444.297042][ T9016] ? __x64_sys_mount+0x20/0xc0 [ 444.301861][ T9016] do_syscall_64+0xf3/0x230 [ 444.306416][ T9016] ? clear_bhb_loop+0x35/0x90 [ 444.311149][ T9016] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 444.317375][ T9016] RIP: 0033:0x7fb3b7d7b61a [ 444.322022][ T9016] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 444.341951][ T9016] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 444.350428][ T9016] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 444.358449][ T9016] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 444.366466][ T9016] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 444.374571][ T9016] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 444.382603][ T9016] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 444.390825][ T9016] [ 444.405246][ T9016] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 444.458001][ T9016] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 445.450689][ T9038] loop0: detected capacity change from 0 to 32768 [ 445.572941][ T9038] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 445.581340][ T9038] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 445.676243][ T9038] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 445.788603][ T6273] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 445.795445][ T6273] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 445.922029][ T9030] loop1: detected capacity change from 0 to 32768 [ 445.950818][ T9032] loop2: detected capacity change from 0 to 32768 [ 446.028129][ T9030] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 446.074221][ T6273] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 278ms [ 446.090463][ T6273] gfs2: fsid=syz:syz.0: jid=0: Done [ 446.095900][ T9038] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 446.163726][ T9030] CPU: 0 UID: 0 PID: 9030 Comm: syz.1.543 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 446.174576][ T9030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 446.184762][ T9030] Call Trace: [ 446.188074][ T9030] [ 446.191032][ T9030] dump_stack_lvl+0x241/0x360 [ 446.195768][ T9030] ? __pfx_dump_stack_lvl+0x10/0x10 [ 446.201209][ T9030] ? __pfx__printk+0x10/0x10 [ 446.205868][ T9030] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 446.211210][ T9030] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 446.216901][ T9030] sysfs_create_dir_ns+0x2ce/0x3a0 [ 446.222075][ T9030] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 446.228040][ T9030] kobject_add_internal+0x435/0x8d0 [ 446.233383][ T9030] kobject_init_and_add+0x124/0x190 [ 446.238637][ T9030] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 446.244515][ T9030] ? __pfx_kobject_init_and_add+0x10/0x10 [ 446.250303][ T9030] ? __init_swait_queue_head+0xae/0x150 [ 446.256088][ T9030] gfs2_sys_fs_add+0x23b/0x4a0 [ 446.260907][ T9030] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 446.266246][ T9030] ? __pfx_alloc_workqueue+0x10/0x10 [ 446.271580][ T9030] ? read_word_at_a_time+0xe/0x20 [ 446.276732][ T9030] ? sized_strscpy+0x8d/0x220 [ 446.281451][ T9030] gfs2_fill_super+0x11ee/0x24d0 [ 446.286679][ T9030] ? __pfx_gfs2_fill_super+0x10/0x10 [ 446.292108][ T9030] ? snprintf+0xda/0x120 [ 446.296492][ T9030] ? __pfx_lock_release+0x10/0x10 [ 446.301677][ T9030] ? do_raw_spin_lock+0x14f/0x370 [ 446.306755][ T9030] ? __pfx_snprintf+0x10/0x10 [ 446.311585][ T9030] ? sb_set_blocksize+0x98/0xf0 [ 446.316582][ T9030] ? setup_bdev_super+0x4e6/0x5d0 [ 446.321678][ T9030] get_tree_bdev+0x3f7/0x570 [ 446.326334][ T9030] ? __pfx_gfs2_fill_super+0x10/0x10 [ 446.331679][ T9030] ? __pfx_get_tree_bdev+0x10/0x10 [ 446.336937][ T9030] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 446.342717][ T9030] gfs2_get_tree+0x54/0x220 [ 446.347368][ T9030] vfs_get_tree+0x90/0x2b0 [ 446.351855][ T9030] do_new_mount+0x2be/0xb40 [ 446.356417][ T9030] ? __pfx_do_new_mount+0x10/0x10 [ 446.361589][ T9030] __se_sys_mount+0x2d6/0x3c0 [ 446.366408][ T9030] ? __pfx___se_sys_mount+0x10/0x10 [ 446.371667][ T9030] ? do_syscall_64+0x100/0x230 [ 446.376508][ T9030] ? __x64_sys_mount+0x20/0xc0 [ 446.381412][ T9030] do_syscall_64+0xf3/0x230 [ 446.385964][ T9030] ? clear_bhb_loop+0x35/0x90 [ 446.390693][ T9030] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 446.396644][ T9030] RIP: 0033:0x7f5668b7b61a [ 446.401127][ T9030] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 446.420790][ T9030] RSP: 002b:00007f56699c6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 446.429275][ T9030] RAX: ffffffffffffffda RBX: 00007f56699c6ef0 RCX: 00007f5668b7b61a [ 446.437304][ T9030] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f56699c6eb0 [ 446.445344][ T9030] RBP: 00000000200124c0 R08: 00007f56699c6ef0 R09: 0000000000000400 [ 446.453576][ T9030] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 446.461601][ T9030] R13: 00007f56699c6eb0 R14: 00000000000124ab R15: 0000000020000240 [ 446.469678][ T9030] 2024/10/16 08:13:51 executed programs: 542 [ 446.520716][ T9030] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 446.547484][ T9030] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 446.627553][ T9032] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 446.635214][ T9032] CPU: 1 UID: 0 PID: 9032 Comm: syz.2.544 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 446.645848][ T9032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 446.655952][ T9032] Call Trace: [ 446.659352][ T9032] [ 446.662316][ T9032] dump_stack_lvl+0x241/0x360 [ 446.667041][ T9032] ? __pfx_dump_stack_lvl+0x10/0x10 [ 446.668166][ T9036] loop3: detected capacity change from 0 to 32768 [ 446.672257][ T9032] ? __pfx__printk+0x10/0x10 [ 446.683473][ T9032] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 446.688821][ T9032] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 446.694430][ T9032] sysfs_create_dir_ns+0x2ce/0x3a0 [ 446.699595][ T9032] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 446.705282][ T9032] kobject_add_internal+0x435/0x8d0 [ 446.710521][ T9032] kobject_init_and_add+0x124/0x190 [ 446.715827][ T9032] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 446.721658][ T9032] ? __pfx_kobject_init_and_add+0x10/0x10 [ 446.727401][ T9032] ? __init_swait_queue_head+0xae/0x150 [ 446.732979][ T9032] gfs2_sys_fs_add+0x23b/0x4a0 [ 446.737766][ T9032] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 446.743094][ T9032] ? __pfx_alloc_workqueue+0x10/0x10 [ 446.748405][ T9032] ? read_word_at_a_time+0xe/0x20 [ 446.753439][ T9032] ? sized_strscpy+0x8d/0x220 [ 446.758130][ T9032] gfs2_fill_super+0x11ee/0x24d0 [ 446.763109][ T9032] ? __pfx_gfs2_fill_super+0x10/0x10 [ 446.768407][ T9032] ? snprintf+0xda/0x120 [ 446.772748][ T9032] ? __pfx_lock_release+0x10/0x10 [ 446.777812][ T9032] ? do_raw_spin_lock+0x14f/0x370 [ 446.782853][ T9032] ? __pfx_snprintf+0x10/0x10 [ 446.787549][ T9032] ? sb_set_blocksize+0x98/0xf0 [ 446.792511][ T9032] ? setup_bdev_super+0x4e6/0x5d0 [ 446.797555][ T9032] get_tree_bdev+0x3f7/0x570 [ 446.802161][ T9032] ? __pfx_gfs2_fill_super+0x10/0x10 [ 446.807546][ T9032] ? __pfx_get_tree_bdev+0x10/0x10 [ 446.812762][ T9032] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 446.818415][ T9032] gfs2_get_tree+0x54/0x220 [ 446.823008][ T9032] vfs_get_tree+0x90/0x2b0 [ 446.827442][ T9032] do_new_mount+0x2be/0xb40 [ 446.832252][ T9032] ? __pfx_do_new_mount+0x10/0x10 [ 446.838006][ T9032] __se_sys_mount+0x2d6/0x3c0 [ 446.842715][ T9032] ? __pfx___se_sys_mount+0x10/0x10 [ 446.847930][ T9032] ? do_syscall_64+0x100/0x230 [ 446.852704][ T9032] ? __x64_sys_mount+0x20/0xc0 [ 446.857483][ T9032] do_syscall_64+0xf3/0x230 [ 446.861997][ T9032] ? clear_bhb_loop+0x35/0x90 [ 446.866682][ T9032] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 446.872770][ T9032] RIP: 0033:0x7f9d6317b61a [ 446.877203][ T9032] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 446.896830][ T9032] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 446.905448][ T9032] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 446.913438][ T9032] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 446.921418][ T9032] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 446.929402][ T9032] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 446.937382][ T9032] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 446.945381][ T9032] [ 446.960424][ T9032] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 446.976009][ T9032] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 447.016314][ T9036] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 447.047977][ T9036] CPU: 0 UID: 0 PID: 9036 Comm: syz.3.546 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 447.058650][ T9036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 447.068760][ T9036] Call Trace: [ 447.072158][ T9036] [ 447.073217][ T9034] loop4: detected capacity change from 0 to 32768 [ 447.075100][ T9036] dump_stack_lvl+0x241/0x360 [ 447.086237][ T9036] ? __pfx_dump_stack_lvl+0x10/0x10 [ 447.091499][ T9036] ? __pfx__printk+0x10/0x10 [ 447.096134][ T9036] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 447.101466][ T9036] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 447.107059][ T9036] sysfs_create_dir_ns+0x2ce/0x3a0 [ 447.112222][ T9036] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 447.118170][ T9036] kobject_add_internal+0x435/0x8d0 [ 447.123421][ T9036] kobject_init_and_add+0x124/0x190 [ 447.128653][ T9036] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 447.134485][ T9036] ? __pfx_kobject_init_and_add+0x10/0x10 [ 447.140225][ T9036] ? __init_swait_queue_head+0xae/0x150 [ 447.145985][ T9036] gfs2_sys_fs_add+0x23b/0x4a0 [ 447.150789][ T9036] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 447.156116][ T9036] ? __pfx_alloc_workqueue+0x10/0x10 [ 447.161432][ T9036] ? read_word_at_a_time+0xe/0x20 [ 447.166479][ T9036] ? sized_strscpy+0x8d/0x220 [ 447.171260][ T9036] gfs2_fill_super+0x11ee/0x24d0 [ 447.176329][ T9036] ? __pfx_gfs2_fill_super+0x10/0x10 [ 447.181641][ T9036] ? snprintf+0xda/0x120 [ 447.185994][ T9036] ? __pfx_lock_release+0x10/0x10 [ 447.191058][ T9036] ? do_raw_spin_lock+0x14f/0x370 [ 447.196109][ T9036] ? __pfx_snprintf+0x10/0x10 [ 447.200809][ T9036] ? sb_set_blocksize+0x98/0xf0 [ 447.205760][ T9036] ? setup_bdev_super+0x4e6/0x5d0 [ 447.210923][ T9036] get_tree_bdev+0x3f7/0x570 [ 447.215590][ T9036] ? __pfx_gfs2_fill_super+0x10/0x10 [ 447.220911][ T9036] ? __pfx_get_tree_bdev+0x10/0x10 [ 447.226133][ T9036] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 447.231873][ T9036] gfs2_get_tree+0x54/0x220 [ 447.236404][ T9036] vfs_get_tree+0x90/0x2b0 [ 447.240930][ T9036] do_new_mount+0x2be/0xb40 [ 447.245511][ T9036] ? __pfx_do_new_mount+0x10/0x10 [ 447.250735][ T9036] __se_sys_mount+0x2d6/0x3c0 [ 447.255461][ T9036] ? __pfx___se_sys_mount+0x10/0x10 [ 447.260735][ T9036] ? do_syscall_64+0x100/0x230 [ 447.265602][ T9036] ? __x64_sys_mount+0x20/0xc0 [ 447.270422][ T9036] do_syscall_64+0xf3/0x230 [ 447.275043][ T9036] ? clear_bhb_loop+0x35/0x90 [ 447.279732][ T9036] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 447.285642][ T9036] RIP: 0033:0x7fb3b7d7b61a [ 447.290080][ T9036] 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 [ 447.309786][ T9036] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 447.318226][ T9036] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 447.326211][ T9036] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 447.334198][ T9036] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 447.342726][ T9036] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 447.350711][ T9036] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 447.358708][ T9036] [ 447.366809][ T9036] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 447.382806][ T9034] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 447.385766][ T9036] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 447.470235][ T9034] CPU: 1 UID: 0 PID: 9034 Comm: syz.4.545 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 447.481003][ T9034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 447.491202][ T9034] Call Trace: [ 447.494531][ T9034] [ 447.497538][ T9034] dump_stack_lvl+0x241/0x360 [ 447.502267][ T9034] ? __pfx_dump_stack_lvl+0x10/0x10 [ 447.507545][ T9034] ? __pfx__printk+0x10/0x10 [ 447.512279][ T9034] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 447.517747][ T9034] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 447.523614][ T9034] sysfs_create_dir_ns+0x2ce/0x3a0 [ 447.528874][ T9034] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 447.534743][ T9034] kobject_add_internal+0x435/0x8d0 [ 447.540172][ T9034] kobject_init_and_add+0x124/0x190 [ 447.545530][ T9034] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 447.551481][ T9034] ? __pfx_kobject_init_and_add+0x10/0x10 [ 447.557530][ T9034] ? __init_swait_queue_head+0xae/0x150 [ 447.563390][ T9034] gfs2_sys_fs_add+0x23b/0x4a0 [ 447.568296][ T9034] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 447.573715][ T9034] ? __pfx_alloc_workqueue+0x10/0x10 [ 447.579053][ T9034] ? read_word_at_a_time+0xe/0x20 [ 447.584114][ T9034] ? sized_strscpy+0x8d/0x220 [ 447.588832][ T9034] gfs2_fill_super+0x11ee/0x24d0 [ 447.593835][ T9034] ? __pfx_gfs2_fill_super+0x10/0x10 [ 447.599164][ T9034] ? snprintf+0xda/0x120 [ 447.603448][ T9034] ? __pfx_lock_release+0x10/0x10 [ 447.608531][ T9034] ? do_raw_spin_lock+0x14f/0x370 [ 447.613814][ T9034] ? __pfx_snprintf+0x10/0x10 [ 447.618589][ T9034] ? sb_set_blocksize+0x98/0xf0 [ 447.623480][ T9034] ? setup_bdev_super+0x4e6/0x5d0 [ 447.628567][ T9034] get_tree_bdev+0x3f7/0x570 [ 447.633205][ T9034] ? __pfx_gfs2_fill_super+0x10/0x10 [ 447.638541][ T9034] ? __pfx_get_tree_bdev+0x10/0x10 [ 447.643696][ T9034] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 447.649386][ T9034] gfs2_get_tree+0x54/0x220 [ 447.654040][ T9034] vfs_get_tree+0x90/0x2b0 [ 447.658497][ T9034] do_new_mount+0x2be/0xb40 [ 447.663051][ T9034] ? __pfx_do_new_mount+0x10/0x10 [ 447.668208][ T9034] __se_sys_mount+0x2d6/0x3c0 [ 447.672936][ T9034] ? __pfx___se_sys_mount+0x10/0x10 [ 447.678171][ T9034] ? do_syscall_64+0x100/0x230 [ 447.682971][ T9034] ? __x64_sys_mount+0x20/0xc0 [ 447.687781][ T9034] do_syscall_64+0xf3/0x230 [ 447.692327][ T9034] ? clear_bhb_loop+0x35/0x90 [ 447.697072][ T9034] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 447.703032][ T9034] RIP: 0033:0x7f81e077b61a [ 447.707495][ T9034] 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 [ 447.727425][ T9034] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 447.735904][ T9034] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 447.744194][ T9034] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 447.752221][ T9034] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 447.760260][ T9034] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 447.768281][ T9034] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 447.776326][ T9034] [ 447.886096][ T9052] loop2: detected capacity change from 0 to 32768 [ 447.895466][ T9034] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 447.937416][ T9034] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 448.149685][ T9052] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 448.160647][ T9052] CPU: 0 UID: 0 PID: 9052 Comm: syz.2.548 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 448.171297][ T9052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 448.182094][ T9052] Call Trace: [ 448.185508][ T9052] [ 448.188527][ T9052] dump_stack_lvl+0x241/0x360 [ 448.193259][ T9052] ? __pfx_dump_stack_lvl+0x10/0x10 [ 448.198507][ T9052] ? __pfx__printk+0x10/0x10 [ 448.203235][ T9052] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 448.208565][ T9052] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 448.214162][ T9052] sysfs_create_dir_ns+0x2ce/0x3a0 [ 448.219411][ T9052] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 448.225190][ T9052] kobject_add_internal+0x435/0x8d0 [ 448.230534][ T9052] kobject_init_and_add+0x124/0x190 [ 448.235789][ T9052] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 448.241663][ T9052] ? __pfx_kobject_init_and_add+0x10/0x10 [ 448.247561][ T9052] ? __init_swait_queue_head+0xae/0x150 [ 448.253165][ T9052] gfs2_sys_fs_add+0x23b/0x4a0 [ 448.258073][ T9052] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 448.263426][ T9052] ? __pfx_alloc_workqueue+0x10/0x10 [ 448.268900][ T9052] ? read_word_at_a_time+0xe/0x20 [ 448.273970][ T9052] ? sized_strscpy+0x8d/0x220 [ 448.278693][ T9052] gfs2_fill_super+0x11ee/0x24d0 [ 448.283716][ T9052] ? __pfx_gfs2_fill_super+0x10/0x10 [ 448.289139][ T9052] ? snprintf+0xda/0x120 [ 448.293433][ T9052] ? __pfx_lock_release+0x10/0x10 [ 448.298614][ T9052] ? do_raw_spin_lock+0x14f/0x370 [ 448.304137][ T9052] ? __pfx_snprintf+0x10/0x10 [ 448.308887][ T9052] ? sb_set_blocksize+0x98/0xf0 [ 448.313797][ T9052] ? setup_bdev_super+0x4e6/0x5d0 [ 448.318890][ T9052] get_tree_bdev+0x3f7/0x570 [ 448.323536][ T9052] ? __pfx_gfs2_fill_super+0x10/0x10 [ 448.328974][ T9052] ? __pfx_get_tree_bdev+0x10/0x10 [ 448.334222][ T9052] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 448.339909][ T9052] gfs2_get_tree+0x54/0x220 [ 448.344472][ T9052] vfs_get_tree+0x90/0x2b0 [ 448.348941][ T9052] do_new_mount+0x2be/0xb40 [ 448.353495][ T9052] ? __pfx_do_new_mount+0x10/0x10 [ 448.355386][ T9055] loop1: detected capacity change from 0 to 32768 [ 448.358552][ T9052] __se_sys_mount+0x2d6/0x3c0 [ 448.358592][ T9052] ? __pfx___se_sys_mount+0x10/0x10 [ 448.375235][ T9052] ? do_syscall_64+0x100/0x230 [ 448.380056][ T9052] ? __x64_sys_mount+0x20/0xc0 [ 448.384895][ T9052] do_syscall_64+0xf3/0x230 [ 448.389455][ T9052] ? clear_bhb_loop+0x35/0x90 [ 448.394358][ T9052] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 448.400352][ T9052] RIP: 0033:0x7f9d6317b61a [ 448.404958][ T9052] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 448.424597][ T9052] RSP: 002b:00007f9d64018e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 448.433315][ T9052] RAX: ffffffffffffffda RBX: 00007f9d64018ef0 RCX: 00007f9d6317b61a [ 448.441311][ T9052] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f9d64018eb0 [ 448.449643][ T9052] RBP: 00000000200124c0 R08: 00007f9d64018ef0 R09: 0000000000000400 [ 448.457895][ T9052] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 448.465969][ T9052] R13: 00007f9d64018eb0 R14: 00000000000124ab R15: 0000000020000240 [ 448.473973][ T9052] [ 448.538383][ T9055] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 448.547097][ T9055] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 448.572593][ T9055] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 448.645504][ T6273] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 448.660261][ T6273] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 448.682604][ T9052] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 448.757833][ T9052] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 448.880655][ T6273] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 220ms [ 448.904263][ T6273] gfs2: fsid=syz:syz.0: jid=0: Done [ 448.951717][ T9055] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 448.980066][ T9062] loop0: detected capacity change from 0 to 32768 [ 449.490027][ T9058] loop3: detected capacity change from 0 to 32768 [ 449.504985][ T9062] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 449.524194][ T9062] CPU: 0 UID: 0 PID: 9062 Comm: syz.0.547 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 449.534865][ T9062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 449.537839][ T9058] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 449.544939][ T9062] Call Trace: [ 449.544955][ T9062] [ 449.558556][ T9062] dump_stack_lvl+0x241/0x360 [ 449.563348][ T9062] ? __pfx_dump_stack_lvl+0x10/0x10 [ 449.568750][ T9062] ? __pfx__printk+0x10/0x10 [ 449.573375][ T9062] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 449.578899][ T9062] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 449.584502][ T9062] sysfs_create_dir_ns+0x2ce/0x3a0 [ 449.589647][ T9062] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 449.595332][ T9062] kobject_add_internal+0x435/0x8d0 [ 449.600749][ T9062] kobject_init_and_add+0x124/0x190 [ 449.605964][ T9062] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 449.611982][ T9062] ? __pfx_kobject_init_and_add+0x10/0x10 [ 449.617763][ T9062] ? __init_swait_queue_head+0xae/0x150 [ 449.623417][ T9062] gfs2_sys_fs_add+0x23b/0x4a0 [ 449.628291][ T9062] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 449.633702][ T9062] ? __pfx_alloc_workqueue+0x10/0x10 [ 449.639018][ T9062] ? read_word_at_a_time+0xe/0x20 [ 449.644087][ T9062] ? sized_strscpy+0x8d/0x220 [ 449.648801][ T9062] gfs2_fill_super+0x11ee/0x24d0 [ 449.653786][ T9062] ? __pfx_gfs2_fill_super+0x10/0x10 [ 449.659100][ T9062] ? snprintf+0xda/0x120 [ 449.663387][ T9062] ? __pfx_lock_release+0x10/0x10 [ 449.668459][ T9062] ? do_raw_spin_lock+0x14f/0x370 [ 449.673507][ T9062] ? __pfx_snprintf+0x10/0x10 [ 449.678229][ T9062] ? sb_set_blocksize+0x98/0xf0 [ 449.683100][ T9062] ? setup_bdev_super+0x4e6/0x5d0 [ 449.688155][ T9062] get_tree_bdev+0x3f7/0x570 [ 449.692806][ T9062] ? __pfx_gfs2_fill_super+0x10/0x10 [ 449.698159][ T9062] ? __pfx_get_tree_bdev+0x10/0x10 [ 449.703324][ T9062] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 449.709315][ T9062] gfs2_get_tree+0x54/0x220 [ 449.713975][ T9062] vfs_get_tree+0x90/0x2b0 [ 449.718443][ T9062] do_new_mount+0x2be/0xb40 [ 449.723007][ T9062] ? __pfx_do_new_mount+0x10/0x10 [ 449.728099][ T9062] __se_sys_mount+0x2d6/0x3c0 [ 449.732917][ T9062] ? __pfx___se_sys_mount+0x10/0x10 [ 449.738250][ T9062] ? do_syscall_64+0x100/0x230 [ 449.743073][ T9062] ? __x64_sys_mount+0x20/0xc0 [ 449.747897][ T9062] do_syscall_64+0xf3/0x230 [ 449.752428][ T9062] ? clear_bhb_loop+0x35/0x90 [ 449.757152][ T9062] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 449.763075][ T9062] RIP: 0033:0x7f1bdcf7b61a [ 449.767524][ T9062] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 449.787344][ T9062] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 449.795891][ T9062] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 449.803912][ T9062] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 449.811926][ T9062] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 449.819933][ T9062] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 449.827949][ T9062] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 449.835963][ T9062] [ 449.878108][ T9058] CPU: 1 UID: 0 PID: 9058 Comm: syz.3.550 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 449.888792][ T9058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 449.893383][ T9062] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 449.898869][ T9058] Call Trace: [ 449.898882][ T9058] [ 449.898894][ T9058] dump_stack_lvl+0x241/0x360 [ 449.898929][ T9058] ? __pfx_dump_stack_lvl+0x10/0x10 [ 449.898955][ T9058] ? __pfx__printk+0x10/0x10 [ 449.898980][ T9058] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 449.899005][ T9058] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 449.899037][ T9058] sysfs_create_dir_ns+0x2ce/0x3a0 [ 449.899065][ T9058] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 449.899101][ T9058] kobject_add_internal+0x435/0x8d0 [ 449.899137][ T9058] kobject_init_and_add+0x124/0x190 [ 449.899162][ T9058] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 449.899200][ T9058] ? __pfx_kobject_init_and_add+0x10/0x10 [ 449.899233][ T9058] ? __init_swait_queue_head+0xae/0x150 [ 449.899270][ T9058] gfs2_sys_fs_add+0x23b/0x4a0 [ 449.899300][ T9058] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 449.899336][ T9058] ? __pfx_alloc_workqueue+0x10/0x10 [ 449.899367][ T9058] ? read_word_at_a_time+0xe/0x20 [ 449.914559][ T9062] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 449.916881][ T9058] ? sized_strscpy+0x8d/0x220 [ 450.015666][ T9058] gfs2_fill_super+0x11ee/0x24d0 [ 450.020651][ T9058] ? __pfx_gfs2_fill_super+0x10/0x10 [ 450.025950][ T9058] ? snprintf+0xda/0x120 [ 450.030208][ T9058] ? __pfx_lock_release+0x10/0x10 [ 450.035252][ T9058] ? do_raw_spin_lock+0x14f/0x370 [ 450.040303][ T9058] ? __pfx_snprintf+0x10/0x10 [ 450.045093][ T9058] ? sb_set_blocksize+0x98/0xf0 [ 450.049958][ T9058] ? setup_bdev_super+0x4e6/0x5d0 [ 450.055000][ T9058] get_tree_bdev+0x3f7/0x570 [ 450.059722][ T9058] ? __pfx_gfs2_fill_super+0x10/0x10 [ 450.065043][ T9058] ? __pfx_get_tree_bdev+0x10/0x10 [ 450.070181][ T9058] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 450.075833][ T9058] gfs2_get_tree+0x54/0x220 [ 450.080359][ T9058] vfs_get_tree+0x90/0x2b0 [ 450.084877][ T9058] do_new_mount+0x2be/0xb40 [ 450.089402][ T9058] ? __pfx_do_new_mount+0x10/0x10 [ 450.094449][ T9058] __se_sys_mount+0x2d6/0x3c0 [ 450.099148][ T9058] ? __pfx___se_sys_mount+0x10/0x10 [ 450.104539][ T9058] ? do_syscall_64+0x100/0x230 [ 450.109318][ T9058] ? __x64_sys_mount+0x20/0xc0 [ 450.114195][ T9058] do_syscall_64+0xf3/0x230 [ 450.118801][ T9058] ? clear_bhb_loop+0x35/0x90 [ 450.123493][ T9058] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 450.129401][ T9058] RIP: 0033:0x7fb3b7d7b61a [ 450.133829][ T9058] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 450.154021][ T9058] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 450.162567][ T9058] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 450.170585][ T9058] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 450.178672][ T9058] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 450.186665][ T9058] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 450.194743][ T9058] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 450.202751][ T9058] [ 450.209154][ T9058] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 450.223296][ T9058] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 450.385840][ T9066] loop4: detected capacity change from 0 to 32768 [ 450.468852][ T9066] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 450.522250][ T9066] CPU: 1 UID: 0 PID: 9066 Comm: syz.4.551 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 450.532934][ T9066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 450.543119][ T9066] Call Trace: [ 450.546430][ T9066] [ 450.549542][ T9066] dump_stack_lvl+0x241/0x360 [ 450.554261][ T9066] ? __pfx_dump_stack_lvl+0x10/0x10 [ 450.559513][ T9066] ? __pfx__printk+0x10/0x10 [ 450.564162][ T9066] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 450.569500][ T9066] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 450.575191][ T9066] sysfs_create_dir_ns+0x2ce/0x3a0 [ 450.580361][ T9066] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 450.586054][ T9066] kobject_add_internal+0x435/0x8d0 [ 450.591309][ T9066] kobject_init_and_add+0x124/0x190 [ 450.597071][ T9066] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 450.603037][ T9066] ? __pfx_kobject_init_and_add+0x10/0x10 [ 450.608892][ T9066] ? __init_swait_queue_head+0xae/0x150 [ 450.614578][ T9066] gfs2_sys_fs_add+0x23b/0x4a0 [ 450.619490][ T9066] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 450.624920][ T9066] ? __pfx_alloc_workqueue+0x10/0x10 [ 450.630427][ T9066] ? read_word_at_a_time+0xe/0x20 [ 450.635494][ T9066] ? sized_strscpy+0x8d/0x220 [ 450.640302][ T9066] gfs2_fill_super+0x11ee/0x24d0 [ 450.645403][ T9066] ? __pfx_gfs2_fill_super+0x10/0x10 [ 450.650911][ T9066] ? snprintf+0xda/0x120 [ 450.655197][ T9066] ? __pfx_lock_release+0x10/0x10 [ 450.660272][ T9066] ? do_raw_spin_lock+0x14f/0x370 [ 450.665430][ T9066] ? __pfx_snprintf+0x10/0x10 [ 450.670159][ T9066] ? sb_set_blocksize+0x98/0xf0 [ 450.675052][ T9066] ? setup_bdev_super+0x4e6/0x5d0 [ 450.680133][ T9066] get_tree_bdev+0x3f7/0x570 [ 450.684787][ T9066] ? __pfx_gfs2_fill_super+0x10/0x10 [ 450.690305][ T9066] ? __pfx_get_tree_bdev+0x10/0x10 [ 450.695479][ T9066] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 450.701171][ T9066] gfs2_get_tree+0x54/0x220 [ 450.705742][ T9066] vfs_get_tree+0x90/0x2b0 [ 450.710237][ T9066] do_new_mount+0x2be/0xb40 [ 450.714810][ T9066] ? __pfx_do_new_mount+0x10/0x10 [ 450.720157][ T9066] __se_sys_mount+0x2d6/0x3c0 [ 450.724896][ T9066] ? __pfx___se_sys_mount+0x10/0x10 [ 450.730241][ T9066] ? do_syscall_64+0x100/0x230 [ 450.735053][ T9066] ? __x64_sys_mount+0x20/0xc0 [ 450.739871][ T9066] do_syscall_64+0xf3/0x230 [ 450.744594][ T9066] ? clear_bhb_loop+0x35/0x90 [ 450.749325][ T9066] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 450.755263][ T9066] RIP: 0033:0x7f81e077b61a [ 450.759718][ T9066] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 450.779638][ T9066] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 450.788099][ T9066] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 450.796103][ T9066] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 450.804112][ T9066] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 450.812111][ T9066] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 450.820291][ T9066] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 450.828323][ T9066] [ 450.858004][ T9066] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 450.885368][ T9066] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 451.641966][ T9080] loop4: detected capacity change from 0 to 32768 [ 451.696555][ T9076] loop3: detected capacity change from 0 to 32768 [ 451.734442][ T9080] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 451.787875][ T9080] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 451.849673][ T9076] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 451.850077][ T9080] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 451.866746][ T6273] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 451.873763][ T6273] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 451.884466][ T9076] CPU: 1 UID: 0 PID: 9076 Comm: syz.3.553 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 451.895136][ T9076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 451.905242][ T9076] Call Trace: [ 451.908566][ T9076] [ 451.911545][ T9076] dump_stack_lvl+0x241/0x360 [ 451.916291][ T9076] ? __pfx_dump_stack_lvl+0x10/0x10 [ 451.921548][ T9076] ? __pfx__printk+0x10/0x10 [ 451.926196][ T9076] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 451.931712][ T9076] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 451.937317][ T9076] sysfs_create_dir_ns+0x2ce/0x3a0 [ 451.942484][ T9076] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 451.948421][ T9076] kobject_add_internal+0x435/0x8d0 [ 451.953643][ T9076] kobject_init_and_add+0x124/0x190 [ 451.958940][ T9076] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 451.964766][ T9076] ? __pfx_kobject_init_and_add+0x10/0x10 [ 451.970530][ T9076] ? __init_swait_queue_head+0xae/0x150 [ 451.976097][ T9076] gfs2_sys_fs_add+0x23b/0x4a0 [ 451.980882][ T9076] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 451.986192][ T9076] ? __pfx_alloc_workqueue+0x10/0x10 [ 451.991495][ T9076] ? read_word_at_a_time+0xe/0x20 [ 451.996532][ T9076] ? sized_strscpy+0x8d/0x220 [ 452.001224][ T9076] gfs2_fill_super+0x11ee/0x24d0 [ 452.006270][ T9076] ? __pfx_gfs2_fill_super+0x10/0x10 [ 452.011662][ T9076] ? snprintf+0xda/0x120 [ 452.016131][ T9076] ? __pfx_lock_release+0x10/0x10 [ 452.021201][ T9076] ? do_raw_spin_lock+0x14f/0x370 [ 452.026249][ T9076] ? __pfx_snprintf+0x10/0x10 [ 452.030948][ T9076] ? sb_set_blocksize+0x98/0xf0 [ 452.035845][ T9076] ? setup_bdev_super+0x4e6/0x5d0 [ 452.041092][ T9076] get_tree_bdev+0x3f7/0x570 [ 452.045698][ T9076] ? __pfx_gfs2_fill_super+0x10/0x10 [ 452.051009][ T9076] ? __pfx_get_tree_bdev+0x10/0x10 [ 452.056138][ T9076] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 452.062052][ T9076] gfs2_get_tree+0x54/0x220 [ 452.066710][ T9076] vfs_get_tree+0x90/0x2b0 [ 452.071164][ T9076] do_new_mount+0x2be/0xb40 [ 452.075687][ T9076] ? __pfx_do_new_mount+0x10/0x10 [ 452.080734][ T9076] __se_sys_mount+0x2d6/0x3c0 [ 452.085433][ T9076] ? __pfx___se_sys_mount+0x10/0x10 [ 452.090738][ T9076] ? do_syscall_64+0x100/0x230 [ 452.095629][ T9076] ? __x64_sys_mount+0x20/0xc0 [ 452.100438][ T9076] do_syscall_64+0xf3/0x230 [ 452.104964][ T9076] ? clear_bhb_loop+0x35/0x90 [ 452.109653][ T9076] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 452.115652][ T9076] RIP: 0033:0x7fb3b7d7b61a [ 452.120082][ T9076] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 452.139998][ T9076] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 452.148518][ T9076] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 452.156505][ T9076] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 452.164493][ T9076] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 452.172485][ T9076] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 452.180575][ T9076] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 452.188599][ T9076] [ 452.244388][ T9076] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 452.267330][ T9076] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 452.309054][ T6273] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 435ms [ 452.316845][ T6273] gfs2: fsid=syz:syz.0: jid=0: Done [ 452.378388][ T9080] gfs2: fsid=syz:syz.0: first mount done, others may mount 2024/10/16 08:13:58 executed programs: 552 [ 452.870537][ T9082] loop1: detected capacity change from 0 to 32768 [ 452.890926][ T9082] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 452.909588][ T9082] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 452.978029][ T9082] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 453.037986][ T5262] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 453.044913][ T5262] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 453.047733][ T9078] loop0: detected capacity change from 0 to 32768 [ 453.086039][ T9078] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 453.116307][ T9078] CPU: 1 UID: 0 PID: 9078 Comm: syz.0.555 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 453.127070][ T9078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 453.137258][ T9078] Call Trace: [ 453.140570][ T9078] [ 453.143534][ T9078] dump_stack_lvl+0x241/0x360 [ 453.148269][ T9078] ? __pfx_dump_stack_lvl+0x10/0x10 [ 453.153595][ T9078] ? __pfx__printk+0x10/0x10 [ 453.158231][ T9078] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 453.163661][ T9078] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 453.169358][ T9078] sysfs_create_dir_ns+0x2ce/0x3a0 [ 453.174529][ T9078] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 453.180481][ T9078] kobject_add_internal+0x435/0x8d0 [ 453.185741][ T9078] kobject_init_and_add+0x124/0x190 [ 453.190993][ T9078] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 453.196871][ T9078] ? __pfx_kobject_init_and_add+0x10/0x10 [ 453.202736][ T9078] ? __init_swait_queue_head+0xae/0x150 [ 453.208597][ T9078] gfs2_sys_fs_add+0x23b/0x4a0 [ 453.213408][ T9078] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 453.218747][ T9078] ? __pfx_alloc_workqueue+0x10/0x10 [ 453.224168][ T9078] ? read_word_at_a_time+0xe/0x20 [ 453.229248][ T9078] ? sized_strscpy+0x8d/0x220 [ 453.233975][ T9078] gfs2_fill_super+0x11ee/0x24d0 [ 453.238989][ T9078] ? __pfx_gfs2_fill_super+0x10/0x10 [ 453.244319][ T9078] ? snprintf+0xda/0x120 [ 453.248608][ T9078] ? __pfx_lock_release+0x10/0x10 [ 453.253692][ T9078] ? do_raw_spin_lock+0x14f/0x370 [ 453.259041][ T9078] ? __pfx_snprintf+0x10/0x10 [ 453.263810][ T9078] ? sb_set_blocksize+0x98/0xf0 [ 453.268732][ T9078] ? setup_bdev_super+0x4e6/0x5d0 [ 453.273917][ T9078] get_tree_bdev+0x3f7/0x570 [ 453.278561][ T9078] ? __pfx_gfs2_fill_super+0x10/0x10 [ 453.283901][ T9078] ? __pfx_get_tree_bdev+0x10/0x10 [ 453.289074][ T9078] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 453.294844][ T9078] gfs2_get_tree+0x54/0x220 [ 453.299519][ T9078] vfs_get_tree+0x90/0x2b0 [ 453.304034][ T9078] do_new_mount+0x2be/0xb40 [ 453.308673][ T9078] ? __pfx_do_new_mount+0x10/0x10 [ 453.313756][ T9078] __se_sys_mount+0x2d6/0x3c0 [ 453.318484][ T9078] ? __pfx___se_sys_mount+0x10/0x10 [ 453.324003][ T9078] ? do_syscall_64+0x100/0x230 [ 453.328810][ T9078] ? __x64_sys_mount+0x20/0xc0 [ 453.333633][ T9078] do_syscall_64+0xf3/0x230 [ 453.338357][ T9078] ? clear_bhb_loop+0x35/0x90 [ 453.343163][ T9078] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 453.349110][ T9078] RIP: 0033:0x7f1bdcf7b61a [ 453.353557][ T9078] 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 [ 453.373300][ T9078] RSP: 002b:00007f1bddcbee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 453.382126][ T9078] RAX: ffffffffffffffda RBX: 00007f1bddcbeef0 RCX: 00007f1bdcf7b61a [ 453.390147][ T9078] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f1bddcbeeb0 [ 453.398253][ T9078] RBP: 00000000200124c0 R08: 00007f1bddcbeef0 R09: 0000000000000400 [ 453.406274][ T9078] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 453.414556][ T9078] R13: 00007f1bddcbeeb0 R14: 00000000000124ab R15: 0000000020000240 [ 453.422676][ T9078] [ 453.438667][ T9078] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 453.520884][ T9078] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 453.544047][ T5262] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 499ms [ 453.551971][ T5262] gfs2: fsid=syz:syz.0: jid=0: Done [ 453.557563][ T9082] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 454.079227][ T9090] loop3: detected capacity change from 0 to 32768 [ 454.160528][ T9098] loop4: detected capacity change from 0 to 32768 [ 454.170542][ T9090] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 454.186731][ T9098] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 454.194347][ T9090] CPU: 1 UID: 0 PID: 9090 Comm: syz.3.559 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 454.206056][ T9090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 454.216197][ T9090] Call Trace: [ 454.219514][ T9090] [ 454.222640][ T9090] dump_stack_lvl+0x241/0x360 [ 454.227370][ T9090] ? __pfx_dump_stack_lvl+0x10/0x10 [ 454.232625][ T9090] ? __pfx__printk+0x10/0x10 [ 454.237270][ T9090] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 454.242608][ T9090] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 454.248213][ T9090] sysfs_create_dir_ns+0x2ce/0x3a0 [ 454.253539][ T9090] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 454.259219][ T9090] kobject_add_internal+0x435/0x8d0 [ 454.264713][ T9090] kobject_init_and_add+0x124/0x190 [ 454.270191][ T9090] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 454.276195][ T9090] ? __pfx_kobject_init_and_add+0x10/0x10 [ 454.282042][ T9090] ? __init_swait_queue_head+0xae/0x150 [ 454.287787][ T9090] gfs2_sys_fs_add+0x23b/0x4a0 [ 454.292620][ T9090] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 454.297934][ T9090] ? __pfx_alloc_workqueue+0x10/0x10 [ 454.303239][ T9090] ? read_word_at_a_time+0xe/0x20 [ 454.308280][ T9090] ? sized_strscpy+0x8d/0x220 [ 454.312974][ T9090] gfs2_fill_super+0x11ee/0x24d0 [ 454.318046][ T9090] ? __pfx_gfs2_fill_super+0x10/0x10 [ 454.323345][ T9090] ? snprintf+0xda/0x120 [ 454.327687][ T9090] ? __pfx_lock_release+0x10/0x10 [ 454.332897][ T9090] ? do_raw_spin_lock+0x14f/0x370 [ 454.338033][ T9090] ? __pfx_snprintf+0x10/0x10 [ 454.342731][ T9090] ? sb_set_blocksize+0x98/0xf0 [ 454.347684][ T9090] ? setup_bdev_super+0x4e6/0x5d0 [ 454.352727][ T9090] get_tree_bdev+0x3f7/0x570 [ 454.357343][ T9090] ? __pfx_gfs2_fill_super+0x10/0x10 [ 454.362730][ T9090] ? __pfx_get_tree_bdev+0x10/0x10 [ 454.367859][ T9090] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 454.373514][ T9090] gfs2_get_tree+0x54/0x220 [ 454.378042][ T9090] vfs_get_tree+0x90/0x2b0 [ 454.382655][ T9090] do_new_mount+0x2be/0xb40 [ 454.387267][ T9090] ? __pfx_do_new_mount+0x10/0x10 [ 454.392497][ T9090] __se_sys_mount+0x2d6/0x3c0 [ 454.397194][ T9090] ? __pfx___se_sys_mount+0x10/0x10 [ 454.402504][ T9090] ? do_syscall_64+0x100/0x230 [ 454.407290][ T9090] ? __x64_sys_mount+0x20/0xc0 [ 454.412167][ T9090] do_syscall_64+0xf3/0x230 [ 454.416685][ T9090] ? clear_bhb_loop+0x35/0x90 [ 454.421378][ T9090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 454.427290][ T9090] RIP: 0033:0x7fb3b7d7b61a [ 454.431728][ T9090] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 454.451871][ T9090] RSP: 002b:00007fb3b8be0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 454.460344][ T9090] RAX: ffffffffffffffda RBX: 00007fb3b8be0ef0 RCX: 00007fb3b7d7b61a [ 454.468599][ T9090] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007fb3b8be0eb0 [ 454.476785][ T9090] RBP: 00000000200124c0 R08: 00007fb3b8be0ef0 R09: 0000000000000400 [ 454.484793][ T9090] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 454.492877][ T9090] R13: 00007fb3b8be0eb0 R14: 00000000000124ab R15: 0000000020000240 [ 454.500900][ T9090] [ 454.509189][ T9090] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 454.537864][ T9098] CPU: 1 UID: 0 PID: 9098 Comm: syz.4.557 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 454.548529][ T9098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 454.558633][ T9098] Call Trace: [ 454.561963][ T9098] [ 454.564950][ T9098] dump_stack_lvl+0x241/0x360 [ 454.569687][ T9098] ? __pfx_dump_stack_lvl+0x10/0x10 [ 454.574937][ T9098] ? __pfx__printk+0x10/0x10 [ 454.579626][ T9098] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 454.585042][ T9098] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 454.590680][ T9098] sysfs_create_dir_ns+0x2ce/0x3a0 [ 454.595847][ T9098] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 454.601540][ T9098] kobject_add_internal+0x435/0x8d0 [ 454.606960][ T9098] kobject_init_and_add+0x124/0x190 [ 454.612304][ T9098] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 454.618270][ T9098] ? __pfx_kobject_init_and_add+0x10/0x10 [ 454.624045][ T9098] ? __init_swait_queue_head+0xae/0x150 [ 454.629736][ T9098] gfs2_sys_fs_add+0x23b/0x4a0 [ 454.634567][ T9098] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 454.640017][ T9098] ? __pfx_alloc_workqueue+0x10/0x10 [ 454.645366][ T9098] ? read_word_at_a_time+0xe/0x20 [ 454.650452][ T9098] ? sized_strscpy+0x8d/0x220 [ 454.655165][ T9098] gfs2_fill_super+0x11ee/0x24d0 [ 454.660150][ T9098] ? __pfx_gfs2_fill_super+0x10/0x10 [ 454.665463][ T9098] ? snprintf+0xda/0x120 [ 454.669733][ T9098] ? __pfx_lock_release+0x10/0x10 [ 454.674861][ T9098] ? do_raw_spin_lock+0x14f/0x370 [ 454.679902][ T9098] ? __pfx_snprintf+0x10/0x10 [ 454.684772][ T9098] ? sb_set_blocksize+0x98/0xf0 [ 454.689642][ T9098] ? setup_bdev_super+0x4e6/0x5d0 [ 454.694712][ T9098] get_tree_bdev+0x3f7/0x570 [ 454.699502][ T9098] ? __pfx_gfs2_fill_super+0x10/0x10 [ 454.705071][ T9098] ? __pfx_get_tree_bdev+0x10/0x10 [ 454.710317][ T9098] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 454.715978][ T9098] gfs2_get_tree+0x54/0x220 [ 454.720650][ T9098] vfs_get_tree+0x90/0x2b0 [ 454.725089][ T9098] do_new_mount+0x2be/0xb40 [ 454.729617][ T9098] ? __pfx_do_new_mount+0x10/0x10 [ 454.734936][ T9098] __se_sys_mount+0x2d6/0x3c0 [ 454.739641][ T9098] ? __pfx___se_sys_mount+0x10/0x10 [ 454.744943][ T9098] ? do_syscall_64+0x100/0x230 [ 454.749724][ T9098] ? __x64_sys_mount+0x20/0xc0 [ 454.754613][ T9098] do_syscall_64+0xf3/0x230 [ 454.759166][ T9098] ? clear_bhb_loop+0x35/0x90 [ 454.763863][ T9098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 454.769777][ T9098] RIP: 0033:0x7f81e077b61a [ 454.774208][ T9098] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 454.793834][ T9098] RSP: 002b:00007f81e1472e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 454.802273][ T9098] RAX: ffffffffffffffda RBX: 00007f81e1472ef0 RCX: 00007f81e077b61a [ 454.810258][ T9098] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007f81e1472eb0 [ 454.818257][ T9098] RBP: 00000000200124c0 R08: 00007f81e1472ef0 R09: 0000000000000400 [ 454.826532][ T9098] R10: 0000000000000400 R11: 0000000000000246 R12: 0000000020012500 [ 454.834519][ T9098] R13: 00007f81e1472eb0 R14: 00000000000124ab R15: 0000000020000240 [ 454.842520][ T9098] [ 455.007902][ T9098] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 455.042860][ T9098] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 455.049823][ T9090] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 455.344903][ T9108] loop1: detected capacity change from 0 to 32768 [ 455.400610][ T9108] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 455.441961][ T9093] loop2: detected capacity change from 0 to 32768 [ 455.457705][ T9108] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 455.508045][ T9093] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 455.513425][ T9108] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 455.525730][ T9093] CPU: 0 UID: 0 PID: 9093 Comm: syz.2.558 Not tainted 6.12.0-rc3-syzkaller-00044-g2f87d0916ce0 #0 [ 455.536393][ T9093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 455.544977][ T5262] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 455.546557][ T9093] Call Trace: [ 455.546570][ T9093] [ 455.559775][ T9093] dump_stack_lvl+0x241/0x360 [ 455.564634][ T9093] ? __pfx_dump_stack_lvl+0x10/0x10 [ 455.568108][ T5262] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 455.569955][ T9093] ? __pfx__printk+0x10/0x10 [ 455.569990][ T9093] ? sysfs_create_dir_ns+0x28a/0x3a0 [ 455.586787][ T9093] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 455.592490][ T9093] sysfs_create_dir_ns+0x2ce/0x3a0 [ 455.597761][ T9093] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 455.603731][ T9093] kobject_add_internal+0x435/0x8d0 [ 455.609080][ T9093] kobject_init_and_add+0x124/0x190 [ 455.614427][ T9093] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 455.620303][ T9093] ? __pfx_kobject_init_and_add+0x10/0x10 [ 455.626263][ T9093] ? __init_swait_queue_head+0xae/0x150 [ 455.631867][ T9093] gfs2_sys_fs_add+0x23b/0x4a0 [ 455.636686][ T9093] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 455.642028][ T9093] ? __pfx_alloc_workqueue+0x10/0x10 [ 455.647457][ T9093] ? read_word_at_a_time+0xe/0x20 [ 455.652533][ T9093] ? sized_strscpy+0x8d/0x220 [ 455.657360][ T9093] gfs2_fill_super+0x11ee/0x24d0 [ 455.662384][ T9093] ? __pfx_gfs2_fill_super+0x10/0x10 [ 455.667726][ T9093] ? snprintf+0xda/0x120 [ 455.672019][ T9093] ? __pfx_lock_release+0x10/0x10 [ 455.677107][ T9093] ? do_raw_spin_lock+0x14f/0x370 [ 455.682191][ T9093] ? __pfx_snprintf+0x10/0x10 [ 455.686935][ T9093] ? sb_set_blocksize+0x98/0xf0 [ 455.691830][ T9093] ? setup_bdev_super+0x4e6/0x5d0 [ 455.697084][ T9093] get_tree_bdev+0x3f7/0x570 [ 455.701730][ T9093] ? __pfx_gfs2_fill_super+0x10/0x10 [ 455.707075][ T9093] ? __pfx_get_tree_bdev+0x10/0x10 [ 455.712327][ T9093] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 455.718018][ T9093] gfs2_get_tree+0x54/0x220 [ 455.722587][ T9093] vfs_get_tree+0x90/0x2b0 [ 455.727063][ T9093] do_new_mount+0x2be/0xb40 [ 455.731807][ T9093] ? __pfx_do_new_mount+0x10/0x10 [ 455.736994][ T9093] __se_sys_mount+0x2d6/0x3c0 [ 455.741829][ T9093] ? __pfx___se_sys_mount+0x10/0x10 [ 455.747195][ T9093] ? do_syscall_64+0x100/0x230 [ 455.752032][ T9093] ? __x64_sys_mount+0x20/0xc0