][ T5338] ? gfs2_reconfigure+0xd80/0xd80 [ 217.517405][ T5338] ? sb_set_blocksize+0xa5/0xe0 [ 217.522431][ T5338] get_tree_bdev+0x3e6/0x610 [ 217.527152][ T5338] ? gfs2_reconfigure+0xd80/0xd80 [ 217.532194][ T5338] gfs2_get_tree+0x4d/0x1e0 [ 217.536795][ T5338] vfs_get_tree+0x88/0x270 [ 217.541625][ T5338] do_new_mount+0x247/0xa50 [ 217.546247][ T5338] __se_sys_mount+0x2e3/0x3d0 [ 217.550932][ T5338] ? __x64_sys_mount+0xc0/0xc0 [ 217.555787][ T5338] ? lockdep_hardirqs_on+0x94/0x140 [ 217.561158][ T5338] ? __x64_sys_mount+0x1c/0xc0 [ 217.565941][ T5338] do_syscall_64+0x4c/0xa0 [ 217.570443][ T5338] ? clear_bhb_loop+0x30/0x80 [ 217.575121][ T5338] ? clear_bhb_loop+0x30/0x80 [ 217.579797][ T5338] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 217.585685][ T5338] RIP: 0033:0x7f255354ea8a [ 217.590202][ T5338] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 217.610441][ T5338] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 217.618921][ T5338] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 217.626898][ T5338] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 217.635209][ T5338] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 217.643446][ T5338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 217.651720][ T5338] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 217.659714][ T5338] [ 217.663759][ T5338] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.676923][ T5338] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.994594][ T5340] loop1: detected capacity change from 0 to 32768 [ 218.045168][ T5340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.052798][ T5340] CPU: 0 PID: 5340 Comm: syz.1.176 Not tainted syzkaller #0 [ 218.060218][ T5340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 218.070400][ T5340] Call Trace: [ 218.073692][ T5340] [ 218.076630][ T5340] dump_stack_lvl+0x188/0x250 [ 218.081411][ T5340] ? show_regs_print_info+0x20/0x20 [ 218.086624][ T5340] ? load_image+0x410/0x410 [ 218.091155][ T5340] sysfs_create_dir_ns+0x26a/0x290 [ 218.096287][ T5340] ? sysfs_warn_dup+0xa0/0xa0 [ 218.100980][ T5340] ? do_raw_spin_unlock+0x11d/0x230 [ 218.106331][ T5340] kobject_add_internal+0x5ba/0xcd0 [ 218.111645][ T5340] kobject_init_and_add+0x128/0x190 [ 218.116863][ T5340] ? lockdep_softirqs_off+0x430/0x430 [ 218.122265][ T5340] ? kobject_add+0x230/0x230 [ 218.126867][ T5340] ? __init_swait_queue_head+0xa4/0x140 [ 218.132497][ T5340] gfs2_sys_fs_add+0x24f/0x4b0 [ 218.137257][ T5340] ? gfs2_recover_set+0x240/0x240 [ 218.142263][ T5340] ? snprintf+0xe5/0x140 [ 218.146498][ T5340] ? __free_pages+0x95/0x1a0 [ 218.151085][ T5340] ? vscnprintf+0x80/0x80 [ 218.155429][ T5340] gfs2_fill_super+0x11ed/0x1ea0 [ 218.160368][ T5340] ? gfs2_reconfigure+0xd80/0xd80 [ 218.165408][ T5340] ? sb_set_blocksize+0xa5/0xe0 [ 218.170248][ T5340] get_tree_bdev+0x3e6/0x610 [ 218.174865][ T5340] ? gfs2_reconfigure+0xd80/0xd80 [ 218.179913][ T5340] gfs2_get_tree+0x4d/0x1e0 [ 218.184708][ T5340] vfs_get_tree+0x88/0x270 [ 218.189230][ T5340] do_new_mount+0x247/0xa50 [ 218.193737][ T5340] __se_sys_mount+0x2e3/0x3d0 [ 218.198401][ T5340] ? __x64_sys_mount+0xc0/0xc0 [ 218.203157][ T5340] ? lockdep_hardirqs_on+0x94/0x140 [ 218.208333][ T5340] ? __x64_sys_mount+0x1c/0xc0 [ 218.213081][ T5340] do_syscall_64+0x4c/0xa0 [ 218.217519][ T5340] ? clear_bhb_loop+0x30/0x80 [ 218.222207][ T5340] ? clear_bhb_loop+0x30/0x80 [ 218.226981][ T5340] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 218.232862][ T5340] RIP: 0033:0x7f255354ea8a [ 218.237266][ T5340] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 218.256957][ T5340] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 218.265537][ T5340] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 218.273657][ T5340] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 218.281715][ T5340] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 218.289704][ T5340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 218.297665][ T5340] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 218.305650][ T5340] [ 218.310027][ T5340] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.323261][ T5340] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.650429][ T5342] loop1: detected capacity change from 0 to 32768 [ 218.691947][ T5342] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.700912][ T5342] CPU: 1 PID: 5342 Comm: syz.1.177 Not tainted syzkaller #0 [ 218.708228][ T5342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 218.718433][ T5342] Call Trace: [ 218.721740][ T5342] [ 218.724684][ T5342] dump_stack_lvl+0x188/0x250 [ 218.729477][ T5342] ? show_regs_print_info+0x20/0x20 [ 218.734700][ T5342] ? load_image+0x410/0x410 [ 218.739449][ T5342] sysfs_create_dir_ns+0x26a/0x290 [ 218.744587][ T5342] ? sysfs_warn_dup+0xa0/0xa0 [ 218.750005][ T5342] ? do_raw_spin_unlock+0x11d/0x230 [ 218.755314][ T5342] kobject_add_internal+0x5ba/0xcd0 [ 218.760627][ T5342] kobject_init_and_add+0x128/0x190 [ 218.765842][ T5342] ? lockdep_softirqs_off+0x430/0x430 [ 218.771325][ T5342] ? kobject_add+0x230/0x230 [ 218.775935][ T5342] ? __init_swait_queue_head+0xa4/0x140 [ 218.781588][ T5342] gfs2_sys_fs_add+0x24f/0x4b0 [ 218.786452][ T5342] ? gfs2_recover_set+0x240/0x240 [ 218.791496][ T5342] ? snprintf+0xe5/0x140 [ 218.795734][ T5342] ? __free_pages+0x95/0x1a0 [ 218.800319][ T5342] ? vscnprintf+0x80/0x80 [ 218.804672][ T5342] gfs2_fill_super+0x11ed/0x1ea0 [ 218.809600][ T5342] ? gfs2_reconfigure+0xd80/0xd80 [ 218.814621][ T5342] ? sb_set_blocksize+0xa5/0xe0 [ 218.819468][ T5342] get_tree_bdev+0x3e6/0x610 [ 218.824064][ T5342] ? gfs2_reconfigure+0xd80/0xd80 [ 218.829083][ T5342] gfs2_get_tree+0x4d/0x1e0 [ 218.833587][ T5342] vfs_get_tree+0x88/0x270 [ 218.838058][ T5342] do_new_mount+0x247/0xa50 [ 218.842840][ T5342] __se_sys_mount+0x2e3/0x3d0 [ 218.847559][ T5342] ? __x64_sys_mount+0xc0/0xc0 [ 218.852503][ T5342] ? lockdep_hardirqs_on+0x94/0x140 [ 218.857707][ T5342] ? __x64_sys_mount+0x1c/0xc0 [ 218.862465][ T5342] do_syscall_64+0x4c/0xa0 [ 218.866888][ T5342] ? clear_bhb_loop+0x30/0x80 [ 218.871559][ T5342] ? clear_bhb_loop+0x30/0x80 [ 218.876235][ T5342] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 218.882137][ T5342] RIP: 0033:0x7f255354ea8a [ 218.886559][ T5342] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 218.906333][ T5342] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 218.914741][ T5342] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 218.922702][ T5342] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 218.930673][ T5342] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 218.938642][ T5342] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 218.946611][ T5342] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 218.954607][ T5342] [ 218.959961][ T5342] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.973235][ T5342] gfs2: fsid=syz:syz: error -17 adding sysfs files 2026/11/08 10:35:01 executed programs: 163 [ 219.291225][ T5344] loop1: detected capacity change from 0 to 32768 [ 219.361926][ T5344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.370341][ T5344] CPU: 0 PID: 5344 Comm: syz.1.178 Not tainted syzkaller #0 [ 219.377655][ T5344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 219.388155][ T5344] Call Trace: [ 219.391468][ T5344] [ 219.394405][ T5344] dump_stack_lvl+0x188/0x250 [ 219.399101][ T5344] ? show_regs_print_info+0x20/0x20 [ 219.404308][ T5344] ? load_image+0x410/0x410 [ 219.408852][ T5344] sysfs_create_dir_ns+0x26a/0x290 [ 219.414109][ T5344] ? sysfs_warn_dup+0xa0/0xa0 [ 219.418817][ T5344] ? do_raw_spin_unlock+0x11d/0x230 [ 219.424083][ T5344] kobject_add_internal+0x5ba/0xcd0 [ 219.429298][ T5344] kobject_init_and_add+0x128/0x190 [ 219.434628][ T5344] ? lockdep_softirqs_off+0x430/0x430 [ 219.440106][ T5344] ? kobject_add+0x230/0x230 [ 219.444694][ T5344] ? __init_swait_queue_head+0xa4/0x140 [ 219.450259][ T5344] gfs2_sys_fs_add+0x24f/0x4b0 [ 219.455105][ T5344] ? gfs2_recover_set+0x240/0x240 [ 219.460204][ T5344] ? snprintf+0xe5/0x140 [ 219.464522][ T5344] ? __free_pages+0x95/0x1a0 [ 219.469186][ T5344] ? vscnprintf+0x80/0x80 [ 219.473515][ T5344] gfs2_fill_super+0x11ed/0x1ea0 [ 219.478460][ T5344] ? gfs2_reconfigure+0xd80/0xd80 [ 219.483502][ T5344] ? sb_set_blocksize+0xa5/0xe0 [ 219.488348][ T5344] get_tree_bdev+0x3e6/0x610 [ 219.493027][ T5344] ? gfs2_reconfigure+0xd80/0xd80 [ 219.498055][ T5344] gfs2_get_tree+0x4d/0x1e0 [ 219.502573][ T5344] vfs_get_tree+0x88/0x270 [ 219.506995][ T5344] do_new_mount+0x247/0xa50 [ 219.511727][ T5344] __se_sys_mount+0x2e3/0x3d0 [ 219.516490][ T5344] ? __x64_sys_mount+0xc0/0xc0 [ 219.521273][ T5344] ? lockdep_hardirqs_on+0x94/0x140 [ 219.526631][ T5344] ? __x64_sys_mount+0x1c/0xc0 [ 219.531401][ T5344] do_syscall_64+0x4c/0xa0 [ 219.535838][ T5344] ? clear_bhb_loop+0x30/0x80 [ 219.540751][ T5344] ? clear_bhb_loop+0x30/0x80 [ 219.545526][ T5344] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 219.551519][ T5344] RIP: 0033:0x7f255354ea8a [ 219.555944][ T5344] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 219.577279][ T5344] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 219.585691][ T5344] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 219.593796][ T5344] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 219.602221][ T5344] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 219.610372][ T5344] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 219.618337][ T5344] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 219.626316][ T5344] [ 219.632935][ T5344] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.646271][ T5344] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 219.963113][ T5346] loop1: detected capacity change from 0 to 32768 [ 219.975237][ T5346] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 219.982862][ T5346] CPU: 1 PID: 5346 Comm: syz.1.179 Not tainted syzkaller #0 [ 219.990258][ T5346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 220.000325][ T5346] Call Trace: [ 220.003617][ T5346] [ 220.006567][ T5346] dump_stack_lvl+0x188/0x250 [ 220.011278][ T5346] ? show_regs_print_info+0x20/0x20 [ 220.016810][ T5346] ? load_image+0x410/0x410 [ 220.021416][ T5346] sysfs_create_dir_ns+0x26a/0x290 [ 220.026558][ T5346] ? sysfs_warn_dup+0xa0/0xa0 [ 220.031229][ T5346] ? do_raw_spin_unlock+0x11d/0x230 [ 220.036417][ T5346] kobject_add_internal+0x5ba/0xcd0 [ 220.041610][ T5346] kobject_init_and_add+0x128/0x190 [ 220.046801][ T5346] ? lockdep_softirqs_off+0x430/0x430 [ 220.052192][ T5346] ? kobject_add+0x230/0x230 [ 220.056771][ T5346] ? __init_swait_queue_head+0xa4/0x140 [ 220.062324][ T5346] gfs2_sys_fs_add+0x24f/0x4b0 [ 220.067085][ T5346] ? gfs2_recover_set+0x240/0x240 [ 220.072118][ T5346] ? snprintf+0xe5/0x140 [ 220.076464][ T5346] ? __free_pages+0x95/0x1a0 [ 220.082050][ T5346] ? vscnprintf+0x80/0x80 [ 220.086481][ T5346] gfs2_fill_super+0x11ed/0x1ea0 [ 220.091541][ T5346] ? gfs2_reconfigure+0xd80/0xd80 [ 220.096817][ T5346] ? sb_set_blocksize+0xa5/0xe0 [ 220.102349][ T5346] get_tree_bdev+0x3e6/0x610 [ 220.107056][ T5346] ? gfs2_reconfigure+0xd80/0xd80 [ 220.112095][ T5346] gfs2_get_tree+0x4d/0x1e0 [ 220.116602][ T5346] vfs_get_tree+0x88/0x270 [ 220.121096][ T5346] do_new_mount+0x247/0xa50 [ 220.125715][ T5346] __se_sys_mount+0x2e3/0x3d0 [ 220.130579][ T5346] ? __x64_sys_mount+0xc0/0xc0 [ 220.135491][ T5346] ? lockdep_hardirqs_on+0x94/0x140 [ 220.140716][ T5346] ? __x64_sys_mount+0x1c/0xc0 [ 220.145688][ T5346] do_syscall_64+0x4c/0xa0 [ 220.151809][ T5346] ? clear_bhb_loop+0x30/0x80 [ 220.156754][ T5346] ? clear_bhb_loop+0x30/0x80 [ 220.161709][ T5346] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 220.167594][ T5346] RIP: 0033:0x7f255354ea8a [ 220.172092][ T5346] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 220.191832][ T5346] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 220.200462][ T5346] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 220.208621][ T5346] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 220.216578][ T5346] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 220.224542][ T5346] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 220.232512][ T5346] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 220.240490][ T5346] [ 220.245351][ T5346] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.258724][ T5346] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 220.593575][ T5349] loop1: detected capacity change from 0 to 32768 [ 220.653420][ T5349] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 220.669581][ T5349] CPU: 1 PID: 5349 Comm: syz.1.180 Not tainted syzkaller #0 [ 220.676909][ T5349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 220.686980][ T5349] Call Trace: [ 220.690359][ T5349] [ 220.693569][ T5349] dump_stack_lvl+0x188/0x250 [ 220.698262][ T5349] ? show_regs_print_info+0x20/0x20 [ 220.703480][ T5349] ? load_image+0x410/0x410 [ 220.708012][ T5349] sysfs_create_dir_ns+0x26a/0x290 [ 220.713136][ T5349] ? sysfs_warn_dup+0xa0/0xa0 [ 220.717912][ T5349] ? do_raw_spin_unlock+0x11d/0x230 [ 220.723126][ T5349] kobject_add_internal+0x5ba/0xcd0 [ 220.728339][ T5349] kobject_init_and_add+0x128/0x190 [ 220.733547][ T5349] ? lockdep_softirqs_off+0x430/0x430 [ 220.738947][ T5349] ? kobject_add+0x230/0x230 [ 220.743538][ T5349] ? __init_swait_queue_head+0xa4/0x140 [ 220.749083][ T5349] gfs2_sys_fs_add+0x24f/0x4b0 [ 220.753834][ T5349] ? gfs2_recover_set+0x240/0x240 [ 220.758841][ T5349] ? snprintf+0xe5/0x140 [ 220.763154][ T5349] ? __free_pages+0x95/0x1a0 [ 220.767813][ T5349] ? vscnprintf+0x80/0x80 [ 220.772198][ T5349] gfs2_fill_super+0x11ed/0x1ea0 [ 220.777134][ T5349] ? gfs2_reconfigure+0xd80/0xd80 [ 220.782165][ T5349] ? sb_set_blocksize+0xa5/0xe0 [ 220.787010][ T5349] get_tree_bdev+0x3e6/0x610 [ 220.791584][ T5349] ? gfs2_reconfigure+0xd80/0xd80 [ 220.796591][ T5349] gfs2_get_tree+0x4d/0x1e0 [ 220.801078][ T5349] vfs_get_tree+0x88/0x270 [ 220.805493][ T5349] do_new_mount+0x247/0xa50 [ 220.810099][ T5349] __se_sys_mount+0x2e3/0x3d0 [ 220.814764][ T5349] ? __x64_sys_mount+0xc0/0xc0 [ 220.819748][ T5349] ? lockdep_hardirqs_on+0x94/0x140 [ 220.825059][ T5349] ? __x64_sys_mount+0x1c/0xc0 [ 220.830024][ T5349] do_syscall_64+0x4c/0xa0 [ 220.834442][ T5349] ? clear_bhb_loop+0x30/0x80 [ 220.839239][ T5349] ? clear_bhb_loop+0x30/0x80 [ 220.844133][ T5349] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 220.850219][ T5349] RIP: 0033:0x7f255354ea8a [ 220.854722][ T5349] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 220.874511][ T5349] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 220.882957][ T5349] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 220.891128][ T5349] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 220.899097][ T5349] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 220.907237][ T5349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 220.915205][ T5349] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 220.923199][ T5349] [ 220.929148][ T5349] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 220.942757][ T5349] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.276158][ T5351] loop1: detected capacity change from 0 to 32768 [ 221.327494][ T5351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 221.335086][ T5351] CPU: 1 PID: 5351 Comm: syz.1.181 Not tainted syzkaller #0 [ 221.342397][ T5351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 221.352676][ T5351] Call Trace: [ 221.355969][ T5351] [ 221.358909][ T5351] dump_stack_lvl+0x188/0x250 [ 221.363607][ T5351] ? show_regs_print_info+0x20/0x20 [ 221.368821][ T5351] ? load_image+0x410/0x410 [ 221.373365][ T5351] sysfs_create_dir_ns+0x26a/0x290 [ 221.378491][ T5351] ? sysfs_warn_dup+0xa0/0xa0 [ 221.383183][ T5351] ? do_raw_spin_unlock+0x11d/0x230 [ 221.388424][ T5351] kobject_add_internal+0x5ba/0xcd0 [ 221.393730][ T5351] kobject_init_and_add+0x128/0x190 [ 221.398947][ T5351] ? lockdep_softirqs_off+0x430/0x430 [ 221.404336][ T5351] ? kobject_add+0x230/0x230 [ 221.408945][ T5351] ? __init_swait_queue_head+0xa4/0x140 [ 221.414505][ T5351] gfs2_sys_fs_add+0x24f/0x4b0 [ 221.419344][ T5351] ? gfs2_recover_set+0x240/0x240 [ 221.424409][ T5351] ? snprintf+0xe5/0x140 [ 221.428751][ T5351] ? __free_pages+0x95/0x1a0 [ 221.433347][ T5351] ? vscnprintf+0x80/0x80 [ 221.437700][ T5351] gfs2_fill_super+0x11ed/0x1ea0 [ 221.442716][ T5351] ? gfs2_reconfigure+0xd80/0xd80 [ 221.447762][ T5351] ? sb_set_blocksize+0xa5/0xe0 [ 221.452605][ T5351] get_tree_bdev+0x3e6/0x610 [ 221.457189][ T5351] ? gfs2_reconfigure+0xd80/0xd80 [ 221.462212][ T5351] gfs2_get_tree+0x4d/0x1e0 [ 221.466714][ T5351] vfs_get_tree+0x88/0x270 [ 221.471136][ T5351] do_new_mount+0x247/0xa50 [ 221.475633][ T5351] __se_sys_mount+0x2e3/0x3d0 [ 221.480298][ T5351] ? __x64_sys_mount+0xc0/0xc0 [ 221.485070][ T5351] ? lockdep_hardirqs_on+0x94/0x140 [ 221.490265][ T5351] ? __x64_sys_mount+0x1c/0xc0 [ 221.495044][ T5351] do_syscall_64+0x4c/0xa0 [ 221.499449][ T5351] ? clear_bhb_loop+0x30/0x80 [ 221.504120][ T5351] ? clear_bhb_loop+0x30/0x80 [ 221.508778][ T5351] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 221.514803][ T5351] RIP: 0033:0x7f255354ea8a [ 221.519235][ T5351] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 221.538939][ T5351] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 221.547346][ T5351] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 221.555337][ T5351] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 221.563309][ T5351] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 221.571371][ T5351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 221.579344][ T5351] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 221.587322][ T5351] [ 221.598224][ T5351] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 221.611904][ T5351] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.949971][ T5354] loop1: detected capacity change from 0 to 32768 [ 221.993278][ T5354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.000898][ T5354] CPU: 0 PID: 5354 Comm: syz.1.182 Not tainted syzkaller #0 [ 222.008247][ T5354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 222.018422][ T5354] Call Trace: [ 222.021727][ T5354] [ 222.024675][ T5354] dump_stack_lvl+0x188/0x250 [ 222.029546][ T5354] ? show_regs_print_info+0x20/0x20 [ 222.034766][ T5354] ? load_image+0x410/0x410 [ 222.039301][ T5354] sysfs_create_dir_ns+0x26a/0x290 [ 222.044428][ T5354] ? sysfs_warn_dup+0xa0/0xa0 [ 222.049098][ T5354] ? do_raw_spin_unlock+0x11d/0x230 [ 222.054295][ T5354] kobject_add_internal+0x5ba/0xcd0 [ 222.059491][ T5354] kobject_init_and_add+0x128/0x190 [ 222.064694][ T5354] ? lockdep_softirqs_off+0x430/0x430 [ 222.070095][ T5354] ? kobject_add+0x230/0x230 [ 222.074683][ T5354] ? __init_swait_queue_head+0xa4/0x140 [ 222.080229][ T5354] gfs2_sys_fs_add+0x24f/0x4b0 [ 222.085174][ T5354] ? gfs2_recover_set+0x240/0x240 [ 222.090287][ T5354] ? snprintf+0xe5/0x140 [ 222.094537][ T5354] ? __free_pages+0x95/0x1a0 [ 222.099285][ T5354] ? vscnprintf+0x80/0x80 [ 222.103643][ T5354] gfs2_fill_super+0x11ed/0x1ea0 [ 222.108588][ T5354] ? gfs2_reconfigure+0xd80/0xd80 [ 222.113758][ T5354] ? sb_set_blocksize+0xa5/0xe0 [ 222.118617][ T5354] get_tree_bdev+0x3e6/0x610 [ 222.123333][ T5354] ? gfs2_reconfigure+0xd80/0xd80 [ 222.128407][ T5354] gfs2_get_tree+0x4d/0x1e0 [ 222.132978][ T5354] vfs_get_tree+0x88/0x270 [ 222.137492][ T5354] do_new_mount+0x247/0xa50 [ 222.142056][ T5354] __se_sys_mount+0x2e3/0x3d0 [ 222.146824][ T5354] ? __x64_sys_mount+0xc0/0xc0 [ 222.151723][ T5354] ? lockdep_hardirqs_on+0x94/0x140 [ 222.156938][ T5354] ? __x64_sys_mount+0x1c/0xc0 [ 222.161704][ T5354] do_syscall_64+0x4c/0xa0 [ 222.166111][ T5354] ? clear_bhb_loop+0x30/0x80 [ 222.170796][ T5354] ? clear_bhb_loop+0x30/0x80 [ 222.175466][ T5354] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 222.181549][ T5354] RIP: 0033:0x7f255354ea8a [ 222.186500][ T5354] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 222.206185][ T5354] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 222.214680][ T5354] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 222.222640][ T5354] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 222.230702][ T5354] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 222.238868][ T5354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 222.246831][ T5354] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 222.254803][ T5354] [ 222.262145][ T5354] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.275557][ T5354] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 222.609369][ T5358] loop1: detected capacity change from 0 to 32768 [ 222.679427][ T5358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 222.686845][ T5358] CPU: 0 PID: 5358 Comm: syz.1.183 Not tainted syzkaller #0 [ 222.694279][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 222.704486][ T5358] Call Trace: [ 222.707795][ T5358] [ 222.710830][ T5358] dump_stack_lvl+0x188/0x250 [ 222.715524][ T5358] ? show_regs_print_info+0x20/0x20 [ 222.720874][ T5358] ? load_image+0x410/0x410 [ 222.725490][ T5358] sysfs_create_dir_ns+0x26a/0x290 [ 222.730743][ T5358] ? sysfs_warn_dup+0xa0/0xa0 [ 222.735433][ T5358] ? do_raw_spin_unlock+0x11d/0x230 [ 222.740739][ T5358] kobject_add_internal+0x5ba/0xcd0 [ 222.745961][ T5358] kobject_init_and_add+0x128/0x190 [ 222.751306][ T5358] ? lockdep_softirqs_off+0x430/0x430 [ 222.756780][ T5358] ? kobject_add+0x230/0x230 [ 222.761454][ T5358] ? __init_swait_queue_head+0xa4/0x140 [ 222.767068][ T5358] gfs2_sys_fs_add+0x24f/0x4b0 [ 222.771934][ T5358] ? gfs2_recover_set+0x240/0x240 [ 222.776967][ T5358] ? snprintf+0xe5/0x140 [ 222.781217][ T5358] ? __free_pages+0x95/0x1a0 [ 222.785808][ T5358] ? vscnprintf+0x80/0x80 [ 222.790431][ T5358] gfs2_fill_super+0x11ed/0x1ea0 [ 222.795383][ T5358] ? gfs2_reconfigure+0xd80/0xd80 [ 222.800404][ T5358] ? sb_set_blocksize+0xa5/0xe0 [ 222.805252][ T5358] get_tree_bdev+0x3e6/0x610 [ 222.809833][ T5358] ? gfs2_reconfigure+0xd80/0xd80 [ 222.814845][ T5358] gfs2_get_tree+0x4d/0x1e0 [ 222.819337][ T5358] vfs_get_tree+0x88/0x270 [ 222.823738][ T5358] do_new_mount+0x247/0xa50 [ 222.828231][ T5358] __se_sys_mount+0x2e3/0x3d0 [ 222.833000][ T5358] ? __x64_sys_mount+0xc0/0xc0 [ 222.837933][ T5358] ? lockdep_hardirqs_on+0x94/0x140 [ 222.843257][ T5358] ? __x64_sys_mount+0x1c/0xc0 [ 222.848101][ T5358] do_syscall_64+0x4c/0xa0 [ 222.852511][ T5358] ? clear_bhb_loop+0x30/0x80 [ 222.857192][ T5358] ? clear_bhb_loop+0x30/0x80 [ 222.861853][ T5358] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 222.867727][ T5358] RIP: 0033:0x7f255354ea8a [ 222.872226][ T5358] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 222.891844][ T5358] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 222.900363][ T5358] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 222.908325][ T5358] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 222.916281][ T5358] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 222.924266][ T5358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 222.932256][ T5358] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 222.940239][ T5358] [ 222.944278][ T5358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 222.957529][ T5358] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.281118][ T5361] loop1: detected capacity change from 0 to 32768 [ 223.334073][ T5361] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 223.341600][ T5361] CPU: 1 PID: 5361 Comm: syz.1.184 Not tainted syzkaller #0 [ 223.349681][ T5361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 223.360302][ T5361] Call Trace: [ 223.363600][ T5361] [ 223.366546][ T5361] dump_stack_lvl+0x188/0x250 [ 223.371255][ T5361] ? show_regs_print_info+0x20/0x20 [ 223.376475][ T5361] ? load_image+0x410/0x410 [ 223.381098][ T5361] sysfs_create_dir_ns+0x26a/0x290 [ 223.386268][ T5361] ? sysfs_warn_dup+0xa0/0xa0 [ 223.390968][ T5361] ? do_raw_spin_unlock+0x11d/0x230 [ 223.396187][ T5361] kobject_add_internal+0x5ba/0xcd0 [ 223.401407][ T5361] kobject_init_and_add+0x128/0x190 [ 223.406794][ T5361] ? lockdep_softirqs_off+0x430/0x430 [ 223.412189][ T5361] ? kobject_add+0x230/0x230 [ 223.416809][ T5361] ? __init_swait_queue_head+0xa4/0x140 [ 223.422401][ T5361] gfs2_sys_fs_add+0x24f/0x4b0 [ 223.427583][ T5361] ? gfs2_recover_set+0x240/0x240 [ 223.432627][ T5361] ? snprintf+0xe5/0x140 [ 223.436866][ T5361] ? __free_pages+0x95/0x1a0 [ 223.441453][ T5361] ? vscnprintf+0x80/0x80 [ 223.445812][ T5361] gfs2_fill_super+0x11ed/0x1ea0 [ 223.450759][ T5361] ? gfs2_reconfigure+0xd80/0xd80 [ 223.455794][ T5361] ? sb_set_blocksize+0xa5/0xe0 [ 223.460634][ T5361] get_tree_bdev+0x3e6/0x610 [ 223.465237][ T5361] ? gfs2_reconfigure+0xd80/0xd80 [ 223.470250][ T5361] gfs2_get_tree+0x4d/0x1e0 [ 223.474849][ T5361] vfs_get_tree+0x88/0x270 [ 223.479257][ T5361] do_new_mount+0x247/0xa50 [ 223.483915][ T5361] __se_sys_mount+0x2e3/0x3d0 [ 223.488602][ T5361] ? __x64_sys_mount+0xc0/0xc0 [ 223.493386][ T5361] ? lockdep_hardirqs_on+0x94/0x140 [ 223.498582][ T5361] ? __x64_sys_mount+0x1c/0xc0 [ 223.503357][ T5361] do_syscall_64+0x4c/0xa0 [ 223.507801][ T5361] ? clear_bhb_loop+0x30/0x80 [ 223.512589][ T5361] ? clear_bhb_loop+0x30/0x80 [ 223.517525][ T5361] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 223.523427][ T5361] RIP: 0033:0x7f255354ea8a [ 223.527951][ T5361] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 223.548070][ T5361] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 223.556481][ T5361] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 223.564447][ T5361] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 223.572652][ T5361] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 223.580702][ T5361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 223.588665][ T5361] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 223.596656][ T5361] [ 223.605358][ T5361] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 223.618546][ T5361] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 223.964534][ T5363] loop1: detected capacity change from 0 to 32768 [ 224.039118][ T5363] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.047371][ T5363] CPU: 0 PID: 5363 Comm: syz.1.185 Not tainted syzkaller #0 [ 224.054776][ T5363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 224.064865][ T5363] Call Trace: [ 224.068158][ T5363] [ 224.071096][ T5363] dump_stack_lvl+0x188/0x250 [ 224.075796][ T5363] ? show_regs_print_info+0x20/0x20 [ 224.081009][ T5363] ? load_image+0x410/0x410 [ 224.085713][ T5363] sysfs_create_dir_ns+0x26a/0x290 [ 224.090843][ T5363] ? sysfs_warn_dup+0xa0/0xa0 [ 224.095575][ T5363] ? do_raw_spin_unlock+0x11d/0x230 [ 224.100793][ T5363] kobject_add_internal+0x5ba/0xcd0 [ 224.106195][ T5363] kobject_init_and_add+0x128/0x190 [ 224.111502][ T5363] ? lockdep_softirqs_off+0x430/0x430 [ 224.116904][ T5363] ? kobject_add+0x230/0x230 [ 224.121545][ T5363] ? __init_swait_queue_head+0xa4/0x140 [ 224.127135][ T5363] gfs2_sys_fs_add+0x24f/0x4b0 [ 224.131929][ T5363] ? gfs2_recover_set+0x240/0x240 [ 224.136953][ T5363] ? snprintf+0xe5/0x140 [ 224.141183][ T5363] ? __free_pages+0x95/0x1a0 [ 224.145774][ T5363] ? vscnprintf+0x80/0x80 [ 224.150106][ T5363] gfs2_fill_super+0x11ed/0x1ea0 [ 224.155122][ T5363] ? gfs2_reconfigure+0xd80/0xd80 [ 224.160151][ T5363] ? sb_set_blocksize+0xa5/0xe0 [ 224.165000][ T5363] get_tree_bdev+0x3e6/0x610 [ 224.169620][ T5363] ? gfs2_reconfigure+0xd80/0xd80 [ 224.174741][ T5363] gfs2_get_tree+0x4d/0x1e0 [ 224.179239][ T5363] vfs_get_tree+0x88/0x270 [ 224.183888][ T5363] do_new_mount+0x247/0xa50 [ 224.188582][ T5363] __se_sys_mount+0x2e3/0x3d0 [ 224.193268][ T5363] ? __x64_sys_mount+0xc0/0xc0 [ 224.198059][ T5363] ? lockdep_hardirqs_on+0x94/0x140 [ 224.203262][ T5363] ? __x64_sys_mount+0x1c/0xc0 [ 224.208019][ T5363] do_syscall_64+0x4c/0xa0 [ 224.212419][ T5363] ? clear_bhb_loop+0x30/0x80 [ 224.217742][ T5363] ? clear_bhb_loop+0x30/0x80 [ 224.222412][ T5363] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 224.228290][ T5363] RIP: 0033:0x7f255354ea8a [ 224.232697][ T5363] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 224.253253][ T5363] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 224.261758][ T5363] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 224.269841][ T5363] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 224.277890][ T5363] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 224.285858][ T5363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 224.294029][ T5363] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 224.302010][ T5363] [ 224.305819][ T5363] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 224.319013][ T5363] gfs2: fsid=syz:syz: error -17 adding sysfs files 2026/11/08 10:35:06 executed programs: 171 [ 224.658427][ T5366] loop1: detected capacity change from 0 to 32768 [ 224.728554][ T5366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 224.736227][ T5366] CPU: 0 PID: 5366 Comm: syz.1.186 Not tainted syzkaller #0 [ 224.743531][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 224.753681][ T5366] Call Trace: [ 224.756969][ T5366] [ 224.759904][ T5366] dump_stack_lvl+0x188/0x250 [ 224.764600][ T5366] ? show_regs_print_info+0x20/0x20 [ 224.769815][ T5366] ? load_image+0x410/0x410 [ 224.774346][ T5366] sysfs_create_dir_ns+0x26a/0x290 [ 224.779479][ T5366] ? sysfs_warn_dup+0xa0/0xa0 [ 224.784264][ T5366] ? do_raw_spin_unlock+0x11d/0x230 [ 224.789571][ T5366] kobject_add_internal+0x5ba/0xcd0 [ 224.794788][ T5366] kobject_init_and_add+0x128/0x190 [ 224.800228][ T5366] ? lockdep_softirqs_off+0x430/0x430 [ 224.806170][ T5366] ? kobject_add+0x230/0x230 [ 224.810757][ T5366] ? __init_swait_queue_head+0xa4/0x140 [ 224.816408][ T5366] gfs2_sys_fs_add+0x24f/0x4b0 [ 224.821169][ T5366] ? gfs2_recover_set+0x240/0x240 [ 224.826369][ T5366] ? snprintf+0xe5/0x140 [ 224.830613][ T5366] ? __free_pages+0x95/0x1a0 [ 224.835292][ T5366] ? vscnprintf+0x80/0x80 [ 224.839630][ T5366] gfs2_fill_super+0x11ed/0x1ea0 [ 224.844771][ T5366] ? gfs2_reconfigure+0xd80/0xd80 [ 224.849923][ T5366] ? sb_set_blocksize+0xa5/0xe0 [ 224.854814][ T5366] get_tree_bdev+0x3e6/0x610 [ 224.859423][ T5366] ? gfs2_reconfigure+0xd80/0xd80 [ 224.864441][ T5366] gfs2_get_tree+0x4d/0x1e0 [ 224.868930][ T5366] vfs_get_tree+0x88/0x270 [ 224.873691][ T5366] do_new_mount+0x247/0xa50 [ 224.878178][ T5366] __se_sys_mount+0x2e3/0x3d0 [ 224.882842][ T5366] ? __x64_sys_mount+0xc0/0xc0 [ 224.887586][ T5366] ? lockdep_hardirqs_on+0x94/0x140 [ 224.892786][ T5366] ? __x64_sys_mount+0x1c/0xc0 [ 224.897540][ T5366] do_syscall_64+0x4c/0xa0 [ 224.901939][ T5366] ? clear_bhb_loop+0x30/0x80 [ 224.906702][ T5366] ? clear_bhb_loop+0x30/0x80 [ 224.911377][ T5366] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 224.917383][ T5366] RIP: 0033:0x7f255354ea8a [ 224.921789][ T5366] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 224.941562][ T5366] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 224.950101][ T5366] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 224.958110][ T5366] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 224.966113][ T5366] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 224.974075][ T5366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 224.982031][ T5366] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 224.990111][ T5366] [ 224.994896][ T5366] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.008189][ T5366] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.303925][ T5368] loop1: detected capacity change from 0 to 32768 [ 225.313592][ T5368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.322662][ T5368] CPU: 0 PID: 5368 Comm: syz.1.187 Not tainted syzkaller #0 [ 225.330242][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 225.340307][ T5368] Call Trace: [ 225.343609][ T5368] [ 225.346554][ T5368] dump_stack_lvl+0x188/0x250 [ 225.351253][ T5368] ? show_regs_print_info+0x20/0x20 [ 225.356459][ T5368] ? load_image+0x410/0x410 [ 225.360983][ T5368] sysfs_create_dir_ns+0x26a/0x290 [ 225.366102][ T5368] ? sysfs_warn_dup+0xa0/0xa0 [ 225.370774][ T5368] ? do_raw_spin_unlock+0x11d/0x230 [ 225.376059][ T5368] kobject_add_internal+0x5ba/0xcd0 [ 225.381250][ T5368] kobject_init_and_add+0x128/0x190 [ 225.386435][ T5368] ? lockdep_softirqs_off+0x430/0x430 [ 225.391835][ T5368] ? kobject_add+0x230/0x230 [ 225.396425][ T5368] ? __init_swait_queue_head+0xa4/0x140 [ 225.402158][ T5368] gfs2_sys_fs_add+0x24f/0x4b0 [ 225.406905][ T5368] ? gfs2_recover_set+0x240/0x240 [ 225.411911][ T5368] ? snprintf+0xe5/0x140 [ 225.416133][ T5368] ? __free_pages+0x95/0x1a0 [ 225.420707][ T5368] ? vscnprintf+0x80/0x80 [ 225.425024][ T5368] gfs2_fill_super+0x11ed/0x1ea0 [ 225.429967][ T5368] ? gfs2_reconfigure+0xd80/0xd80 [ 225.435006][ T5368] ? sb_set_blocksize+0xa5/0xe0 [ 225.439932][ T5368] get_tree_bdev+0x3e6/0x610 [ 225.444622][ T5368] ? gfs2_reconfigure+0xd80/0xd80 [ 225.449634][ T5368] gfs2_get_tree+0x4d/0x1e0 [ 225.454171][ T5368] vfs_get_tree+0x88/0x270 [ 225.458582][ T5368] do_new_mount+0x247/0xa50 [ 225.463091][ T5368] __se_sys_mount+0x2e3/0x3d0 [ 225.467792][ T5368] ? __x64_sys_mount+0xc0/0xc0 [ 225.472563][ T5368] ? lockdep_hardirqs_on+0x94/0x140 [ 225.477863][ T5368] ? __x64_sys_mount+0x1c/0xc0 [ 225.482645][ T5368] do_syscall_64+0x4c/0xa0 [ 225.487062][ T5368] ? clear_bhb_loop+0x30/0x80 [ 225.491737][ T5368] ? clear_bhb_loop+0x30/0x80 [ 225.496518][ T5368] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 225.502418][ T5368] RIP: 0033:0x7f255354ea8a [ 225.506932][ T5368] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 225.527341][ T5368] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 225.535778][ T5368] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 225.543854][ T5368] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 225.551827][ T5368] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 225.559883][ T5368] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 225.567952][ T5368] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 225.576012][ T5368] [ 225.580106][ T5368] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 225.593376][ T5368] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 225.918211][ T5370] loop1: detected capacity change from 0 to 32768 [ 225.957316][ T5370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 225.964833][ T5370] CPU: 0 PID: 5370 Comm: syz.1.188 Not tainted syzkaller #0 [ 225.972130][ T5370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 225.982194][ T5370] Call Trace: [ 225.985491][ T5370] [ 225.988439][ T5370] dump_stack_lvl+0x188/0x250 [ 225.993246][ T5370] ? show_regs_print_info+0x20/0x20 [ 225.998469][ T5370] ? load_image+0x410/0x410 [ 226.003005][ T5370] sysfs_create_dir_ns+0x26a/0x290 [ 226.008137][ T5370] ? sysfs_warn_dup+0xa0/0xa0 [ 226.012841][ T5370] ? do_raw_spin_unlock+0x11d/0x230 [ 226.018060][ T5370] kobject_add_internal+0x5ba/0xcd0 [ 226.023281][ T5370] kobject_init_and_add+0x128/0x190 [ 226.028495][ T5370] ? lockdep_softirqs_off+0x430/0x430 [ 226.033973][ T5370] ? kobject_add+0x230/0x230 [ 226.038652][ T5370] ? __init_swait_queue_head+0xa4/0x140 [ 226.044217][ T5370] gfs2_sys_fs_add+0x24f/0x4b0 [ 226.049159][ T5370] ? gfs2_recover_set+0x240/0x240 [ 226.054184][ T5370] ? snprintf+0xe5/0x140 [ 226.058418][ T5370] ? __free_pages+0x95/0x1a0 [ 226.063002][ T5370] ? vscnprintf+0x80/0x80 [ 226.067429][ T5370] gfs2_fill_super+0x11ed/0x1ea0 [ 226.072383][ T5370] ? gfs2_reconfigure+0xd80/0xd80 [ 226.077511][ T5370] ? sb_set_blocksize+0xa5/0xe0 [ 226.082375][ T5370] get_tree_bdev+0x3e6/0x610 [ 226.086963][ T5370] ? gfs2_reconfigure+0xd80/0xd80 [ 226.092698][ T5370] gfs2_get_tree+0x4d/0x1e0 [ 226.097713][ T5370] vfs_get_tree+0x88/0x270 [ 226.102222][ T5370] do_new_mount+0x247/0xa50 [ 226.106741][ T5370] __se_sys_mount+0x2e3/0x3d0 [ 226.111416][ T5370] ? __x64_sys_mount+0xc0/0xc0 [ 226.116345][ T5370] ? lockdep_hardirqs_on+0x94/0x140 [ 226.121569][ T5370] ? __x64_sys_mount+0x1c/0xc0 [ 226.126339][ T5370] do_syscall_64+0x4c/0xa0 [ 226.130762][ T5370] ? clear_bhb_loop+0x30/0x80 [ 226.135421][ T5370] ? clear_bhb_loop+0x30/0x80 [ 226.140263][ T5370] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 226.146176][ T5370] RIP: 0033:0x7f255354ea8a [ 226.150598][ T5370] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 226.170552][ T5370] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 226.179178][ T5370] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 226.187162][ T5370] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 226.195150][ T5370] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 226.203303][ T5370] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 226.211282][ T5370] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 226.219351][ T5370] [ 226.223365][ T5370] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.236886][ T5370] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 226.552621][ T5372] loop1: detected capacity change from 0 to 32768 [ 226.620417][ T5372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 226.627999][ T5372] CPU: 1 PID: 5372 Comm: syz.1.189 Not tainted syzkaller #0 [ 226.635321][ T5372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 226.645578][ T5372] Call Trace: [ 226.648871][ T5372] [ 226.651817][ T5372] dump_stack_lvl+0x188/0x250 [ 226.656509][ T5372] ? show_regs_print_info+0x20/0x20 [ 226.661912][ T5372] ? load_image+0x410/0x410 [ 226.666452][ T5372] sysfs_create_dir_ns+0x26a/0x290 [ 226.671597][ T5372] ? sysfs_warn_dup+0xa0/0xa0 [ 226.676468][ T5372] ? do_raw_spin_unlock+0x11d/0x230 [ 226.681684][ T5372] kobject_add_internal+0x5ba/0xcd0 [ 226.687089][ T5372] kobject_init_and_add+0x128/0x190 [ 226.692340][ T5372] ? lockdep_softirqs_off+0x430/0x430 [ 226.697734][ T5372] ? kobject_add+0x230/0x230 [ 226.702333][ T5372] ? __init_swait_queue_head+0xa4/0x140 [ 226.708013][ T5372] gfs2_sys_fs_add+0x24f/0x4b0 [ 226.712778][ T5372] ? gfs2_recover_set+0x240/0x240 [ 226.717879][ T5372] ? snprintf+0xe5/0x140 [ 226.722252][ T5372] ? __free_pages+0x95/0x1a0 [ 226.726851][ T5372] ? vscnprintf+0x80/0x80 [ 226.731305][ T5372] gfs2_fill_super+0x11ed/0x1ea0 [ 226.736272][ T5372] ? gfs2_reconfigure+0xd80/0xd80 [ 226.741295][ T5372] ? sb_set_blocksize+0xa5/0xe0 [ 226.746352][ T5372] get_tree_bdev+0x3e6/0x610 [ 226.751083][ T5372] ? gfs2_reconfigure+0xd80/0xd80 [ 226.756170][ T5372] gfs2_get_tree+0x4d/0x1e0 [ 226.760685][ T5372] vfs_get_tree+0x88/0x270 [ 226.765128][ T5372] do_new_mount+0x247/0xa50 [ 226.769643][ T5372] __se_sys_mount+0x2e3/0x3d0 [ 226.774345][ T5372] ? __x64_sys_mount+0xc0/0xc0 [ 226.779120][ T5372] ? lockdep_hardirqs_on+0x94/0x140 [ 226.784339][ T5372] ? __x64_sys_mount+0x1c/0xc0 [ 226.789124][ T5372] do_syscall_64+0x4c/0xa0 [ 226.793792][ T5372] ? clear_bhb_loop+0x30/0x80 [ 226.798484][ T5372] ? clear_bhb_loop+0x30/0x80 [ 226.803240][ T5372] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 226.809243][ T5372] RIP: 0033:0x7f255354ea8a [ 226.814112][ T5372] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 226.834019][ T5372] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 226.842783][ T5372] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 226.850931][ T5372] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 226.859190][ T5372] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 226.867343][ T5372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 226.875435][ T5372] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 226.883414][ T5372] [ 226.897158][ T5372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 226.910557][ T5372] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.193311][ T5374] loop1: detected capacity change from 0 to 32768 [ 227.211496][ T5374] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.218901][ T5374] CPU: 1 PID: 5374 Comm: syz.1.190 Not tainted syzkaller #0 [ 227.226370][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 227.236542][ T5374] Call Trace: [ 227.239865][ T5374] [ 227.242802][ T5374] dump_stack_lvl+0x188/0x250 [ 227.247491][ T5374] ? show_regs_print_info+0x20/0x20 [ 227.252895][ T5374] ? load_image+0x410/0x410 [ 227.257428][ T5374] sysfs_create_dir_ns+0x26a/0x290 [ 227.262563][ T5374] ? sysfs_warn_dup+0xa0/0xa0 [ 227.267432][ T5374] ? do_raw_spin_unlock+0x11d/0x230 [ 227.272650][ T5374] kobject_add_internal+0x5ba/0xcd0 [ 227.277871][ T5374] kobject_init_and_add+0x128/0x190 [ 227.283086][ T5374] ? lockdep_softirqs_off+0x430/0x430 [ 227.288594][ T5374] ? kobject_add+0x230/0x230 [ 227.293200][ T5374] ? __init_swait_queue_head+0xa4/0x140 [ 227.298741][ T5374] gfs2_sys_fs_add+0x24f/0x4b0 [ 227.303683][ T5374] ? gfs2_recover_set+0x240/0x240 [ 227.308736][ T5374] ? snprintf+0xe5/0x140 [ 227.313044][ T5374] ? __free_pages+0x95/0x1a0 [ 227.317671][ T5374] ? vscnprintf+0x80/0x80 [ 227.322023][ T5374] gfs2_fill_super+0x11ed/0x1ea0 [ 227.326967][ T5374] ? gfs2_reconfigure+0xd80/0xd80 [ 227.331992][ T5374] ? sb_set_blocksize+0xa5/0xe0 [ 227.336891][ T5374] get_tree_bdev+0x3e6/0x610 [ 227.341507][ T5374] ? gfs2_reconfigure+0xd80/0xd80 [ 227.346647][ T5374] gfs2_get_tree+0x4d/0x1e0 [ 227.351184][ T5374] vfs_get_tree+0x88/0x270 [ 227.355603][ T5374] do_new_mount+0x247/0xa50 [ 227.360207][ T5374] __se_sys_mount+0x2e3/0x3d0 [ 227.364914][ T5374] ? __x64_sys_mount+0xc0/0xc0 [ 227.369696][ T5374] ? lockdep_hardirqs_on+0x94/0x140 [ 227.374883][ T5374] ? __x64_sys_mount+0x1c/0xc0 [ 227.379643][ T5374] do_syscall_64+0x4c/0xa0 [ 227.384077][ T5374] ? clear_bhb_loop+0x30/0x80 [ 227.388746][ T5374] ? clear_bhb_loop+0x30/0x80 [ 227.393523][ T5374] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 227.399409][ T5374] RIP: 0033:0x7f255354ea8a [ 227.403832][ T5374] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 227.423691][ T5374] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 227.432099][ T5374] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 227.440081][ T5374] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 227.448073][ T5374] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 227.456178][ T5374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 227.464299][ T5374] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 227.472291][ T5374] [ 227.476826][ T5374] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 227.490011][ T5374] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 227.814091][ T5376] loop1: detected capacity change from 0 to 32768 [ 227.919385][ T5376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 227.926798][ T5376] CPU: 1 PID: 5376 Comm: syz.1.191 Not tainted syzkaller #0 [ 227.934102][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 227.944264][ T5376] Call Trace: [ 227.947551][ T5376] [ 227.950493][ T5376] dump_stack_lvl+0x188/0x250 [ 227.955187][ T5376] ? show_regs_print_info+0x20/0x20 [ 227.960399][ T5376] ? load_image+0x410/0x410 [ 227.964923][ T5376] sysfs_create_dir_ns+0x26a/0x290 [ 227.970051][ T5376] ? sysfs_warn_dup+0xa0/0xa0 [ 227.974741][ T5376] ? do_raw_spin_unlock+0x11d/0x230 [ 227.979961][ T5376] kobject_add_internal+0x5ba/0xcd0 [ 227.985168][ T5376] kobject_init_and_add+0x128/0x190 [ 227.990355][ T5376] ? lockdep_softirqs_off+0x430/0x430 [ 227.995735][ T5376] ? kobject_add+0x230/0x230 [ 228.000400][ T5376] ? __init_swait_queue_head+0xa4/0x140 [ 228.005946][ T5376] gfs2_sys_fs_add+0x24f/0x4b0 [ 228.010792][ T5376] ? gfs2_recover_set+0x240/0x240 [ 228.015897][ T5376] ? snprintf+0xe5/0x140 [ 228.020129][ T5376] ? __free_pages+0x95/0x1a0 [ 228.024723][ T5376] ? vscnprintf+0x80/0x80 [ 228.029042][ T5376] gfs2_fill_super+0x11ed/0x1ea0 [ 228.033980][ T5376] ? gfs2_reconfigure+0xd80/0xd80 [ 228.039013][ T5376] ? sb_set_blocksize+0xa5/0xe0 [ 228.043943][ T5376] get_tree_bdev+0x3e6/0x610 [ 228.048558][ T5376] ? gfs2_reconfigure+0xd80/0xd80 [ 228.053673][ T5376] gfs2_get_tree+0x4d/0x1e0 [ 228.058203][ T5376] vfs_get_tree+0x88/0x270 [ 228.062697][ T5376] do_new_mount+0x247/0xa50 [ 228.067208][ T5376] __se_sys_mount+0x2e3/0x3d0 [ 228.071896][ T5376] ? __x64_sys_mount+0xc0/0xc0 [ 228.076662][ T5376] ? lockdep_hardirqs_on+0x94/0x140 [ 228.081851][ T5376] ? __x64_sys_mount+0x1c/0xc0 [ 228.086610][ T5376] do_syscall_64+0x4c/0xa0 [ 228.091022][ T5376] ? clear_bhb_loop+0x30/0x80 [ 228.095681][ T5376] ? clear_bhb_loop+0x30/0x80 [ 228.100344][ T5376] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 228.106239][ T5376] RIP: 0033:0x7f255354ea8a [ 228.110661][ T5376] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 228.130357][ T5376] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 228.138774][ T5376] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 228.146738][ T5376] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 228.154711][ T5376] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 228.162787][ T5376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 228.170750][ T5376] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 228.178807][ T5376] [ 228.183456][ T5376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.196621][ T5376] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 228.495507][ T5378] loop1: detected capacity change from 0 to 32768 [ 228.540515][ T5378] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 228.550063][ T5378] CPU: 1 PID: 5378 Comm: syz.1.192 Not tainted syzkaller #0 [ 228.557380][ T5378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 228.567654][ T5378] Call Trace: [ 228.570954][ T5378] [ 228.574164][ T5378] dump_stack_lvl+0x188/0x250 [ 228.578948][ T5378] ? show_regs_print_info+0x20/0x20 [ 228.584253][ T5378] ? load_image+0x410/0x410 [ 228.588916][ T5378] sysfs_create_dir_ns+0x26a/0x290 [ 228.594043][ T5378] ? sysfs_warn_dup+0xa0/0xa0 [ 228.598735][ T5378] ? do_raw_spin_unlock+0x11d/0x230 [ 228.603958][ T5378] kobject_add_internal+0x5ba/0xcd0 [ 228.609211][ T5378] kobject_init_and_add+0x128/0x190 [ 228.614413][ T5378] ? lockdep_softirqs_off+0x430/0x430 [ 228.619792][ T5378] ? kobject_add+0x230/0x230 [ 228.624371][ T5378] ? __init_swait_queue_head+0xa4/0x140 [ 228.629924][ T5378] gfs2_sys_fs_add+0x24f/0x4b0 [ 228.634810][ T5378] ? gfs2_recover_set+0x240/0x240 [ 228.639826][ T5378] ? snprintf+0xe5/0x140 [ 228.644071][ T5378] ? __free_pages+0x95/0x1a0 [ 228.648665][ T5378] ? vscnprintf+0x80/0x80 [ 228.652991][ T5378] gfs2_fill_super+0x11ed/0x1ea0 [ 228.658011][ T5378] ? gfs2_reconfigure+0xd80/0xd80 [ 228.663187][ T5378] ? sb_set_blocksize+0xa5/0xe0 [ 228.668257][ T5378] get_tree_bdev+0x3e6/0x610 [ 228.673048][ T5378] ? gfs2_reconfigure+0xd80/0xd80 [ 228.678197][ T5378] gfs2_get_tree+0x4d/0x1e0 [ 228.682714][ T5378] vfs_get_tree+0x88/0x270 [ 228.687143][ T5378] do_new_mount+0x247/0xa50 [ 228.691729][ T5378] __se_sys_mount+0x2e3/0x3d0 [ 228.696408][ T5378] ? __x64_sys_mount+0xc0/0xc0 [ 228.701179][ T5378] ? lockdep_hardirqs_on+0x94/0x140 [ 228.706361][ T5378] ? __x64_sys_mount+0x1c/0xc0 [ 228.711113][ T5378] do_syscall_64+0x4c/0xa0 [ 228.715527][ T5378] ? clear_bhb_loop+0x30/0x80 [ 228.720196][ T5378] ? clear_bhb_loop+0x30/0x80 [ 228.724893][ T5378] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 228.730770][ T5378] RIP: 0033:0x7f255354ea8a [ 228.735196][ T5378] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 228.754960][ T5378] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 228.763366][ T5378] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 228.771438][ T5378] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 228.779410][ T5378] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 228.787395][ T5378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 228.795535][ T5378] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 228.803507][ T5378] [ 228.807710][ T5378] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 228.821220][ T5378] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 229.168959][ T5380] loop1: detected capacity change from 0 to 32768 [ 229.211445][ T5380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.218856][ T5380] CPU: 1 PID: 5380 Comm: syz.1.193 Not tainted syzkaller #0 [ 229.226164][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 229.236233][ T5380] Call Trace: [ 229.239655][ T5380] [ 229.242603][ T5380] dump_stack_lvl+0x188/0x250 [ 229.247401][ T5380] ? show_regs_print_info+0x20/0x20 [ 229.252622][ T5380] ? load_image+0x410/0x410 [ 229.257258][ T5380] sysfs_create_dir_ns+0x26a/0x290 [ 229.262482][ T5380] ? sysfs_warn_dup+0xa0/0xa0 [ 229.267182][ T5380] ? do_raw_spin_unlock+0x11d/0x230 [ 229.272409][ T5380] kobject_add_internal+0x5ba/0xcd0 [ 229.277719][ T5380] kobject_init_and_add+0x128/0x190 [ 229.283378][ T5380] ? lockdep_softirqs_off+0x430/0x430 [ 229.289157][ T5380] ? kobject_add+0x230/0x230 [ 229.293773][ T5380] ? __init_swait_queue_head+0xa4/0x140 [ 229.299482][ T5380] gfs2_sys_fs_add+0x24f/0x4b0 [ 229.304296][ T5380] ? gfs2_recover_set+0x240/0x240 [ 229.309402][ T5380] ? snprintf+0xe5/0x140 [ 229.313647][ T5380] ? __free_pages+0x95/0x1a0 [ 229.318230][ T5380] ? vscnprintf+0x80/0x80 [ 229.322568][ T5380] gfs2_fill_super+0x11ed/0x1ea0 [ 229.327505][ T5380] ? gfs2_reconfigure+0xd80/0xd80 [ 229.332544][ T5380] ? sb_set_blocksize+0xa5/0xe0 [ 229.337394][ T5380] get_tree_bdev+0x3e6/0x610 [ 229.342149][ T5380] ? gfs2_reconfigure+0xd80/0xd80 [ 229.347182][ T5380] gfs2_get_tree+0x4d/0x1e0 [ 229.351694][ T5380] vfs_get_tree+0x88/0x270 [ 229.356117][ T5380] do_new_mount+0x247/0xa50 [ 229.360624][ T5380] __se_sys_mount+0x2e3/0x3d0 [ 229.365308][ T5380] ? __x64_sys_mount+0xc0/0xc0 [ 229.370169][ T5380] ? lockdep_hardirqs_on+0x94/0x140 [ 229.375361][ T5380] ? __x64_sys_mount+0x1c/0xc0 [ 229.380114][ T5380] do_syscall_64+0x4c/0xa0 [ 229.384635][ T5380] ? clear_bhb_loop+0x30/0x80 [ 229.389299][ T5380] ? clear_bhb_loop+0x30/0x80 [ 229.393962][ T5380] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 229.399843][ T5380] RIP: 0033:0x7f255354ea8a [ 229.404248][ T5380] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 229.423942][ T5380] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 229.432609][ T5380] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 229.440700][ T5380] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 229.448974][ T5380] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 229.456943][ T5380] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 229.464997][ T5380] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 229.473152][ T5380] [ 229.477542][ T5380] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 229.490727][ T5380] gfs2: fsid=syz:syz: error -17 adding sysfs files 2026/11/08 10:35:11 executed programs: 179 [ 229.817771][ T5382] loop1: detected capacity change from 0 to 32768 [ 229.862066][ T5382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 229.870098][ T5382] CPU: 1 PID: 5382 Comm: syz.1.194 Not tainted syzkaller #0 [ 229.877421][ T5382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 229.887764][ T5382] Call Trace: [ 229.891143][ T5382] [ 229.894085][ T5382] dump_stack_lvl+0x188/0x250 [ 229.898880][ T5382] ? show_regs_print_info+0x20/0x20 [ 229.904096][ T5382] ? load_image+0x410/0x410 [ 229.908626][ T5382] sysfs_create_dir_ns+0x26a/0x290 [ 229.913840][ T5382] ? sysfs_warn_dup+0xa0/0xa0 [ 229.918543][ T5382] ? do_raw_spin_unlock+0x11d/0x230 [ 229.923761][ T5382] kobject_add_internal+0x5ba/0xcd0 [ 229.928993][ T5382] kobject_init_and_add+0x128/0x190 [ 229.934290][ T5382] ? lockdep_softirqs_off+0x430/0x430 [ 229.939943][ T5382] ? kobject_add+0x230/0x230 [ 229.944547][ T5382] ? __init_swait_queue_head+0xa4/0x140 [ 229.950221][ T5382] gfs2_sys_fs_add+0x24f/0x4b0 [ 229.955166][ T5382] ? gfs2_recover_set+0x240/0x240 [ 229.960726][ T5382] ? snprintf+0xe5/0x140 [ 229.965066][ T5382] ? __free_pages+0x95/0x1a0 [ 229.969671][ T5382] ? vscnprintf+0x80/0x80 [ 229.974213][ T5382] gfs2_fill_super+0x11ed/0x1ea0 [ 229.979311][ T5382] ? gfs2_reconfigure+0xd80/0xd80 [ 229.984466][ T5382] ? sb_set_blocksize+0xa5/0xe0 [ 229.989315][ T5382] get_tree_bdev+0x3e6/0x610 [ 229.993916][ T5382] ? gfs2_reconfigure+0xd80/0xd80 [ 229.998942][ T5382] gfs2_get_tree+0x4d/0x1e0 [ 230.003448][ T5382] vfs_get_tree+0x88/0x270 [ 230.007876][ T5382] do_new_mount+0x247/0xa50 [ 230.012371][ T5382] __se_sys_mount+0x2e3/0x3d0 [ 230.017042][ T5382] ? __x64_sys_mount+0xc0/0xc0 [ 230.021888][ T5382] ? lockdep_hardirqs_on+0x94/0x140 [ 230.027091][ T5382] ? __x64_sys_mount+0x1c/0xc0 [ 230.031843][ T5382] do_syscall_64+0x4c/0xa0 [ 230.036342][ T5382] ? clear_bhb_loop+0x30/0x80 [ 230.041007][ T5382] ? clear_bhb_loop+0x30/0x80 [ 230.045672][ T5382] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 230.051559][ T5382] RIP: 0033:0x7f255354ea8a [ 230.056232][ T5382] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 230.076783][ T5382] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.085288][ T5382] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 230.093262][ T5382] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 230.101232][ T5382] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 230.109284][ T5382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 230.117958][ T5382] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 230.126016][ T5382] [ 230.139396][ T5382] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.152686][ T5382] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.477365][ T5384] loop1: detected capacity change from 0 to 32768 [ 230.528370][ T5384] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.536807][ T5384] CPU: 0 PID: 5384 Comm: syz.1.195 Not tainted syzkaller #0 [ 230.544121][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 230.554331][ T5384] Call Trace: [ 230.557749][ T5384] [ 230.560707][ T5384] dump_stack_lvl+0x188/0x250 [ 230.565450][ T5384] ? show_regs_print_info+0x20/0x20 [ 230.570844][ T5384] ? load_image+0x410/0x410 [ 230.575385][ T5384] sysfs_create_dir_ns+0x26a/0x290 [ 230.580509][ T5384] ? sysfs_warn_dup+0xa0/0xa0 [ 230.585200][ T5384] ? do_raw_spin_unlock+0x11d/0x230 [ 230.590589][ T5384] kobject_add_internal+0x5ba/0xcd0 [ 230.595802][ T5384] kobject_init_and_add+0x128/0x190 [ 230.601006][ T5384] ? lockdep_softirqs_off+0x430/0x430 [ 230.606416][ T5384] ? kobject_add+0x230/0x230 [ 230.611007][ T5384] ? __init_swait_queue_head+0xa4/0x140 [ 230.616891][ T5384] gfs2_sys_fs_add+0x24f/0x4b0 [ 230.621923][ T5384] ? gfs2_recover_set+0x240/0x240 [ 230.626941][ T5384] ? snprintf+0xe5/0x140 [ 230.631701][ T5384] ? __free_pages+0x95/0x1a0 [ 230.636287][ T5384] ? vscnprintf+0x80/0x80 [ 230.640683][ T5384] gfs2_fill_super+0x11ed/0x1ea0 [ 230.645653][ T5384] ? gfs2_reconfigure+0xd80/0xd80 [ 230.650700][ T5384] ? sb_set_blocksize+0xa5/0xe0 [ 230.655562][ T5384] get_tree_bdev+0x3e6/0x610 [ 230.660244][ T5384] ? gfs2_reconfigure+0xd80/0xd80 [ 230.665269][ T5384] gfs2_get_tree+0x4d/0x1e0 [ 230.669772][ T5384] vfs_get_tree+0x88/0x270 [ 230.674235][ T5384] do_new_mount+0x247/0xa50 [ 230.678763][ T5384] __se_sys_mount+0x2e3/0x3d0 [ 230.683434][ T5384] ? __x64_sys_mount+0xc0/0xc0 [ 230.688356][ T5384] ? lockdep_hardirqs_on+0x94/0x140 [ 230.693739][ T5384] ? __x64_sys_mount+0x1c/0xc0 [ 230.698668][ T5384] do_syscall_64+0x4c/0xa0 [ 230.703099][ T5384] ? clear_bhb_loop+0x30/0x80 [ 230.707773][ T5384] ? clear_bhb_loop+0x30/0x80 [ 230.712442][ T5384] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 230.718385][ T5384] RIP: 0033:0x7f255354ea8a [ 230.722966][ T5384] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 230.742573][ T5384] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.750990][ T5384] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 230.759069][ T5384] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 230.767043][ T5384] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 230.775111][ T5384] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 230.783092][ T5384] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 230.791120][ T5384] [ 230.795289][ T5384] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.808493][ T5384] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.114209][ T5386] loop1: detected capacity change from 0 to 32768 [ 231.171909][ T5386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.179442][ T5386] CPU: 0 PID: 5386 Comm: syz.1.196 Not tainted syzkaller #0 [ 231.186742][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 231.196817][ T5386] Call Trace: [ 231.200114][ T5386] [ 231.203056][ T5386] dump_stack_lvl+0x188/0x250 [ 231.207779][ T5386] ? show_regs_print_info+0x20/0x20 [ 231.213000][ T5386] ? load_image+0x410/0x410 [ 231.217534][ T5386] sysfs_create_dir_ns+0x26a/0x290 [ 231.222656][ T5386] ? sysfs_warn_dup+0xa0/0xa0 [ 231.227438][ T5386] ? do_raw_spin_unlock+0x11d/0x230 [ 231.232653][ T5386] kobject_add_internal+0x5ba/0xcd0 [ 231.237866][ T5386] kobject_init_and_add+0x128/0x190 [ 231.243245][ T5386] ? lockdep_softirqs_off+0x430/0x430 [ 231.248638][ T5386] ? kobject_add+0x230/0x230 [ 231.253767][ T5386] ? __init_swait_queue_head+0xa4/0x140 [ 231.260230][ T5386] gfs2_sys_fs_add+0x24f/0x4b0 [ 231.265005][ T5386] ? gfs2_recover_set+0x240/0x240 [ 231.270042][ T5386] ? snprintf+0xe5/0x140 [ 231.274309][ T5386] ? __free_pages+0x95/0x1a0 [ 231.278888][ T5386] ? vscnprintf+0x80/0x80 [ 231.283207][ T5386] gfs2_fill_super+0x11ed/0x1ea0 [ 231.288161][ T5386] ? gfs2_reconfigure+0xd80/0xd80 [ 231.293185][ T5386] ? sb_set_blocksize+0xa5/0xe0 [ 231.298033][ T5386] get_tree_bdev+0x3e6/0x610 [ 231.302619][ T5386] ? gfs2_reconfigure+0xd80/0xd80 [ 231.307633][ T5386] gfs2_get_tree+0x4d/0x1e0 [ 231.312123][ T5386] vfs_get_tree+0x88/0x270 [ 231.316527][ T5386] do_new_mount+0x247/0xa50 [ 231.321024][ T5386] __se_sys_mount+0x2e3/0x3d0 [ 231.325702][ T5386] ? __x64_sys_mount+0xc0/0xc0 [ 231.330565][ T5386] ? lockdep_hardirqs_on+0x94/0x140 [ 231.335760][ T5386] ? __x64_sys_mount+0x1c/0xc0 [ 231.340600][ T5386] do_syscall_64+0x4c/0xa0 [ 231.345017][ T5386] ? clear_bhb_loop+0x30/0x80 [ 231.349682][ T5386] ? clear_bhb_loop+0x30/0x80 [ 231.354359][ T5386] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 231.360255][ T5386] RIP: 0033:0x7f255354ea8a [ 231.364650][ T5386] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 231.384243][ T5386] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 231.392666][ T5386] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 231.400816][ T5386] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 231.408904][ T5386] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 231.417100][ T5386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 231.425116][ T5386] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 231.433094][ T5386] [ 231.438721][ T5386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.452057][ T5386] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.762389][ T5388] loop1: detected capacity change from 0 to 32768 [ 231.804140][ T5388] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.811680][ T5388] CPU: 1 PID: 5388 Comm: syz.1.197 Not tainted syzkaller #0 [ 231.819078][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 231.829667][ T5388] Call Trace: [ 231.832965][ T5388] [ 231.835914][ T5388] dump_stack_lvl+0x188/0x250 [ 231.840622][ T5388] ? show_regs_print_info+0x20/0x20 [ 231.846018][ T5388] ? load_image+0x410/0x410 [ 231.851337][ T5388] sysfs_create_dir_ns+0x26a/0x290 [ 231.857170][ T5388] ? sysfs_warn_dup+0xa0/0xa0 [ 231.861864][ T5388] ? do_raw_spin_unlock+0x11d/0x230 [ 231.867344][ T5388] kobject_add_internal+0x5ba/0xcd0 [ 231.872659][ T5388] kobject_init_and_add+0x128/0x190 [ 231.878098][ T5388] ? lockdep_softirqs_off+0x430/0x430 [ 231.883488][ T5388] ? kobject_add+0x230/0x230 [ 231.888365][ T5388] ? __init_swait_queue_head+0xa4/0x140 [ 231.894194][ T5388] gfs2_sys_fs_add+0x24f/0x4b0 [ 231.898964][ T5388] ? gfs2_recover_set+0x240/0x240 [ 231.904103][ T5388] ? snprintf+0xe5/0x140 [ 231.908626][ T5388] ? __free_pages+0x95/0x1a0 [ 231.913229][ T5388] ? vscnprintf+0x80/0x80 [ 231.917623][ T5388] gfs2_fill_super+0x11ed/0x1ea0 [ 231.922582][ T5388] ? gfs2_reconfigure+0xd80/0xd80 [ 231.927647][ T5388] ? sb_set_blocksize+0xa5/0xe0 [ 231.932499][ T5388] get_tree_bdev+0x3e6/0x610 [ 231.937263][ T5388] ? gfs2_reconfigure+0xd80/0xd80 [ 231.943157][ T5388] gfs2_get_tree+0x4d/0x1e0 [ 231.947661][ T5388] vfs_get_tree+0x88/0x270 [ 231.952070][ T5388] do_new_mount+0x247/0xa50 [ 231.956569][ T5388] __se_sys_mount+0x2e3/0x3d0 [ 231.961346][ T5388] ? __x64_sys_mount+0xc0/0xc0 [ 231.966139][ T5388] ? lockdep_hardirqs_on+0x94/0x140 [ 231.971367][ T5388] ? __x64_sys_mount+0x1c/0xc0 [ 231.976129][ T5388] do_syscall_64+0x4c/0xa0 [ 231.980744][ T5388] ? clear_bhb_loop+0x30/0x80 [ 231.985417][ T5388] ? clear_bhb_loop+0x30/0x80 [ 231.990091][ T5388] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 231.996273][ T5388] RIP: 0033:0x7f255354ea8a [ 232.000770][ T5388] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 232.020492][ T5388] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 232.029003][ T5388] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 232.037058][ T5388] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 232.045119][ T5388] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 232.053212][ T5388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 232.061643][ T5388] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 232.069802][ T5388] [ 232.076665][ T5388] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.089911][ T5388] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.391675][ T5390] loop1: detected capacity change from 0 to 32768 [ 232.441550][ T5390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 232.448965][ T5390] CPU: 0 PID: 5390 Comm: syz.1.198 Not tainted syzkaller #0 [ 232.456260][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 232.466332][ T5390] Call Trace: [ 232.469660][ T5390] [ 232.473046][ T5390] dump_stack_lvl+0x188/0x250 [ 232.477757][ T5390] ? show_regs_print_info+0x20/0x20 [ 232.482989][ T5390] ? load_image+0x410/0x410 [ 232.487607][ T5390] sysfs_create_dir_ns+0x26a/0x290 [ 232.492735][ T5390] ? sysfs_warn_dup+0xa0/0xa0 [ 232.497441][ T5390] ? do_raw_spin_unlock+0x11d/0x230 [ 232.502746][ T5390] kobject_add_internal+0x5ba/0xcd0 [ 232.507965][ T5390] kobject_init_and_add+0x128/0x190 [ 232.513186][ T5390] ? lockdep_softirqs_off+0x430/0x430 [ 232.518582][ T5390] ? kobject_add+0x230/0x230 [ 232.523195][ T5390] ? __init_swait_queue_head+0xa4/0x140 [ 232.528844][ T5390] gfs2_sys_fs_add+0x24f/0x4b0 [ 232.533708][ T5390] ? gfs2_recover_set+0x240/0x240 [ 232.538741][ T5390] ? snprintf+0xe5/0x140 [ 232.542975][ T5390] ? __free_pages+0x95/0x1a0 [ 232.547564][ T5390] ? vscnprintf+0x80/0x80 [ 232.551903][ T5390] gfs2_fill_super+0x11ed/0x1ea0 [ 232.556843][ T5390] ? gfs2_reconfigure+0xd80/0xd80 [ 232.561872][ T5390] ? sb_set_blocksize+0xa5/0xe0 [ 232.566725][ T5390] get_tree_bdev+0x3e6/0x610 [ 232.571312][ T5390] ? gfs2_reconfigure+0xd80/0xd80 [ 232.576445][ T5390] gfs2_get_tree+0x4d/0x1e0 [ 232.580940][ T5390] vfs_get_tree+0x88/0x270 [ 232.585372][ T5390] do_new_mount+0x247/0xa50 [ 232.589873][ T5390] __se_sys_mount+0x2e3/0x3d0 [ 232.594551][ T5390] ? __x64_sys_mount+0xc0/0xc0 [ 232.599370][ T5390] ? lockdep_hardirqs_on+0x94/0x140 [ 232.604622][ T5390] ? __x64_sys_mount+0x1c/0xc0 [ 232.609382][ T5390] do_syscall_64+0x4c/0xa0 [ 232.613792][ T5390] ? clear_bhb_loop+0x30/0x80 [ 232.618616][ T5390] ? clear_bhb_loop+0x30/0x80 [ 232.623302][ T5390] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 232.629189][ T5390] RIP: 0033:0x7f255354ea8a [ 232.633645][ T5390] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 232.653507][ T5390] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 232.661917][ T5390] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 232.669881][ T5390] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 232.677963][ T5390] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 232.686222][ T5390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 232.694189][ T5390] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 232.702288][ T5390] [ 232.706805][ T5390] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 232.719958][ T5390] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.023649][ T5392] loop1: detected capacity change from 0 to 32768 [ 233.034772][ T5392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.043171][ T5392] CPU: 1 PID: 5392 Comm: syz.1.199 Not tainted syzkaller #0 [ 233.050479][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 233.060585][ T5392] Call Trace: [ 233.063878][ T5392] [ 233.066819][ T5392] dump_stack_lvl+0x188/0x250 [ 233.071521][ T5392] ? show_regs_print_info+0x20/0x20 [ 233.076740][ T5392] ? load_image+0x410/0x410 [ 233.081262][ T5392] sysfs_create_dir_ns+0x26a/0x290 [ 233.086481][ T5392] ? sysfs_warn_dup+0xa0/0xa0 [ 233.091178][ T5392] ? do_raw_spin_unlock+0x11d/0x230 [ 233.096376][ T5392] kobject_add_internal+0x5ba/0xcd0 [ 233.101559][ T5392] kobject_init_and_add+0x128/0x190 [ 233.106747][ T5392] ? lockdep_softirqs_off+0x430/0x430 [ 233.112190][ T5392] ? kobject_add+0x230/0x230 [ 233.116935][ T5392] ? __init_swait_queue_head+0xa4/0x140 [ 233.122521][ T5392] gfs2_sys_fs_add+0x24f/0x4b0 [ 233.127266][ T5392] ? gfs2_recover_set+0x240/0x240 [ 233.132270][ T5392] ? snprintf+0xe5/0x140 [ 233.136494][ T5392] ? __free_pages+0x95/0x1a0 [ 233.141066][ T5392] ? vscnprintf+0x80/0x80 [ 233.145391][ T5392] gfs2_fill_super+0x11ed/0x1ea0 [ 233.150314][ T5392] ? gfs2_reconfigure+0xd80/0xd80 [ 233.155326][ T5392] ? sb_set_blocksize+0xa5/0xe0 [ 233.160157][ T5392] get_tree_bdev+0x3e6/0x610 [ 233.164903][ T5392] ? gfs2_reconfigure+0xd80/0xd80 [ 233.169925][ T5392] gfs2_get_tree+0x4d/0x1e0 [ 233.174424][ T5392] vfs_get_tree+0x88/0x270 [ 233.178842][ T5392] do_new_mount+0x247/0xa50 [ 233.183380][ T5392] __se_sys_mount+0x2e3/0x3d0 [ 233.188056][ T5392] ? __x64_sys_mount+0xc0/0xc0 [ 233.192899][ T5392] ? lockdep_hardirqs_on+0x94/0x140 [ 233.198085][ T5392] ? __x64_sys_mount+0x1c/0xc0 [ 233.202931][ T5392] do_syscall_64+0x4c/0xa0 [ 233.207346][ T5392] ? clear_bhb_loop+0x30/0x80 [ 233.212005][ T5392] ? clear_bhb_loop+0x30/0x80 [ 233.216667][ T5392] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 233.222631][ T5392] RIP: 0033:0x7f255354ea8a [ 233.227116][ T5392] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 233.246907][ T5392] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 233.255329][ T5392] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 233.263392][ T5392] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 233.271464][ T5392] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 233.279519][ T5392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 233.287487][ T5392] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 233.295484][ T5392] [ 233.305502][ T5392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.318681][ T5392] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 233.650952][ T5394] loop1: detected capacity change from 0 to 32768 [ 233.700153][ T5394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 233.707651][ T5394] CPU: 0 PID: 5394 Comm: syz.1.200 Not tainted syzkaller #0 [ 233.715036][ T5394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 233.725109][ T5394] Call Trace: [ 233.728675][ T5394] [ 233.731726][ T5394] dump_stack_lvl+0x188/0x250 [ 233.736687][ T5394] ? show_regs_print_info+0x20/0x20 [ 233.741914][ T5394] ? load_image+0x410/0x410 [ 233.746555][ T5394] sysfs_create_dir_ns+0x26a/0x290 [ 233.751686][ T5394] ? sysfs_warn_dup+0xa0/0xa0 [ 233.756372][ T5394] ? do_raw_spin_unlock+0x11d/0x230 [ 233.761587][ T5394] kobject_add_internal+0x5ba/0xcd0 [ 233.767067][ T5394] kobject_init_and_add+0x128/0x190 [ 233.772280][ T5394] ? lockdep_softirqs_off+0x430/0x430 [ 233.777679][ T5394] ? kobject_add+0x230/0x230 [ 233.782286][ T5394] ? __init_swait_queue_head+0xa4/0x140 [ 233.787851][ T5394] gfs2_sys_fs_add+0x24f/0x4b0 [ 233.792625][ T5394] ? gfs2_recover_set+0x240/0x240 [ 233.797638][ T5394] ? snprintf+0xe5/0x140 [ 233.802137][ T5394] ? __free_pages+0x95/0x1a0 [ 233.806724][ T5394] ? vscnprintf+0x80/0x80 [ 233.811052][ T5394] gfs2_fill_super+0x11ed/0x1ea0 [ 233.815993][ T5394] ? gfs2_reconfigure+0xd80/0xd80 [ 233.821024][ T5394] ? sb_set_blocksize+0xa5/0xe0 [ 233.825870][ T5394] get_tree_bdev+0x3e6/0x610 [ 233.830464][ T5394] ? gfs2_reconfigure+0xd80/0xd80 [ 233.835568][ T5394] gfs2_get_tree+0x4d/0x1e0 [ 233.840060][ T5394] vfs_get_tree+0x88/0x270 [ 233.844491][ T5394] do_new_mount+0x247/0xa50 [ 233.849156][ T5394] __se_sys_mount+0x2e3/0x3d0 [ 233.853941][ T5394] ? __x64_sys_mount+0xc0/0xc0 [ 233.858745][ T5394] ? lockdep_hardirqs_on+0x94/0x140 [ 233.864032][ T5394] ? __x64_sys_mount+0x1c/0xc0 [ 233.868996][ T5394] do_syscall_64+0x4c/0xa0 [ 233.873542][ T5394] ? clear_bhb_loop+0x30/0x80 [ 233.878233][ T5394] ? clear_bhb_loop+0x30/0x80 [ 233.882915][ T5394] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 233.888799][ T5394] RIP: 0033:0x7f255354ea8a [ 233.893307][ T5394] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 233.913089][ T5394] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 233.921515][ T5394] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 233.929657][ T5394] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 233.937648][ T5394] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 233.945649][ T5394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 233.953616][ T5394] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 233.962230][ T5394] [ 233.966728][ T5394] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 233.979865][ T5394] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 234.273659][ T5396] loop1: detected capacity change from 0 to 32768 [ 234.337605][ T5396] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.345216][ T5396] CPU: 1 PID: 5396 Comm: syz.1.201 Not tainted syzkaller #0 [ 234.352662][ T5396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 234.362738][ T5396] Call Trace: [ 234.366036][ T5396] [ 234.369327][ T5396] dump_stack_lvl+0x188/0x250 [ 234.374026][ T5396] ? show_regs_print_info+0x20/0x20 [ 234.379240][ T5396] ? load_image+0x410/0x410 [ 234.383897][ T5396] sysfs_create_dir_ns+0x26a/0x290 [ 234.389053][ T5396] ? sysfs_warn_dup+0xa0/0xa0 [ 234.393839][ T5396] ? do_raw_spin_unlock+0x11d/0x230 [ 234.399051][ T5396] kobject_add_internal+0x5ba/0xcd0 [ 234.404270][ T5396] kobject_init_and_add+0x128/0x190 [ 234.409540][ T5396] ? lockdep_softirqs_off+0x430/0x430 [ 234.415025][ T5396] ? kobject_add+0x230/0x230 [ 234.419636][ T5396] ? __init_swait_queue_head+0xa4/0x140 [ 234.425389][ T5396] gfs2_sys_fs_add+0x24f/0x4b0 [ 234.430159][ T5396] ? gfs2_recover_set+0x240/0x240 [ 234.435185][ T5396] ? snprintf+0xe5/0x140 [ 234.439419][ T5396] ? __free_pages+0x95/0x1a0 [ 234.443997][ T5396] ? vscnprintf+0x80/0x80 [ 234.448332][ T5396] gfs2_fill_super+0x11ed/0x1ea0 [ 234.453268][ T5396] ? gfs2_reconfigure+0xd80/0xd80 [ 234.458292][ T5396] ? sb_set_blocksize+0xa5/0xe0 [ 234.463129][ T5396] get_tree_bdev+0x3e6/0x610 [ 234.468141][ T5396] ? gfs2_reconfigure+0xd80/0xd80 [ 234.473150][ T5396] gfs2_get_tree+0x4d/0x1e0 [ 234.477658][ T5396] vfs_get_tree+0x88/0x270 [ 234.482152][ T5396] do_new_mount+0x247/0xa50 [ 234.486658][ T5396] __se_sys_mount+0x2e3/0x3d0 [ 234.491333][ T5396] ? __x64_sys_mount+0xc0/0xc0 [ 234.496099][ T5396] ? lockdep_hardirqs_on+0x94/0x140 [ 234.501387][ T5396] ? __x64_sys_mount+0x1c/0xc0 [ 234.506509][ T5396] do_syscall_64+0x4c/0xa0 [ 234.510918][ T5396] ? clear_bhb_loop+0x30/0x80 [ 234.515599][ T5396] ? clear_bhb_loop+0x30/0x80 [ 234.520352][ T5396] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 234.526474][ T5396] RIP: 0033:0x7f255354ea8a [ 234.530912][ T5396] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 234.550720][ T5396] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 234.559163][ T5396] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 234.567153][ T5396] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 234.575228][ T5396] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 234.583336][ T5396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 234.591323][ T5396] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 234.599336][ T5396] [ 234.603994][ T5396] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 234.617517][ T5396] gfs2: fsid=syz:syz: error -17 adding sysfs files 2026/11/08 10:35:16 executed programs: 187 [ 234.931757][ T5398] loop1: detected capacity change from 0 to 32768 [ 234.977827][ T5398] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 234.985494][ T5398] CPU: 0 PID: 5398 Comm: syz.1.202 Not tainted syzkaller #0 [ 234.992798][ T5398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 235.002863][ T5398] Call Trace: [ 235.006158][ T5398] [ 235.009101][ T5398] dump_stack_lvl+0x188/0x250 [ 235.013806][ T5398] ? show_regs_print_info+0x20/0x20 [ 235.019032][ T5398] ? load_image+0x410/0x410 [ 235.023561][ T5398] sysfs_create_dir_ns+0x26a/0x290 [ 235.028868][ T5398] ? sysfs_warn_dup+0xa0/0xa0 [ 235.033566][ T5398] ? do_raw_spin_unlock+0x11d/0x230 [ 235.038896][ T5398] kobject_add_internal+0x5ba/0xcd0 [ 235.044114][ T5398] kobject_init_and_add+0x128/0x190 [ 235.049500][ T5398] ? lockdep_softirqs_off+0x430/0x430 [ 235.054886][ T5398] ? kobject_add+0x230/0x230 [ 235.059495][ T5398] ? __init_swait_queue_head+0xa4/0x140 [ 235.065060][ T5398] gfs2_sys_fs_add+0x24f/0x4b0 [ 235.069841][ T5398] ? gfs2_recover_set+0x240/0x240 [ 235.074897][ T5398] ? snprintf+0xe5/0x140 [ 235.079127][ T5398] ? __free_pages+0x95/0x1a0 [ 235.083716][ T5398] ? vscnprintf+0x80/0x80 [ 235.088036][ T5398] gfs2_fill_super+0x11ed/0x1ea0 [ 235.093065][ T5398] ? gfs2_reconfigure+0xd80/0xd80 [ 235.098178][ T5398] ? sb_set_blocksize+0xa5/0xe0 [ 235.103027][ T5398] get_tree_bdev+0x3e6/0x610 [ 235.107639][ T5398] ? gfs2_reconfigure+0xd80/0xd80 [ 235.112666][ T5398] gfs2_get_tree+0x4d/0x1e0 [ 235.117189][ T5398] vfs_get_tree+0x88/0x270 [ 235.121599][ T5398] do_new_mount+0x247/0xa50 [ 235.126104][ T5398] __se_sys_mount+0x2e3/0x3d0 [ 235.130804][ T5398] ? __x64_sys_mount+0xc0/0xc0 [ 235.135592][ T5398] ? lockdep_hardirqs_on+0x94/0x140 [ 235.140782][ T5398] ? __x64_sys_mount+0x1c/0xc0 [ 235.145542][ T5398] do_syscall_64+0x4c/0xa0 [ 235.150040][ T5398] ? clear_bhb_loop+0x30/0x80 [ 235.154718][ T5398] ? clear_bhb_loop+0x30/0x80 [ 235.159390][ T5398] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 235.165388][ T5398] RIP: 0033:0x7f255354ea8a [ 235.169795][ T5398] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 235.189407][ T5398] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 235.197830][ T5398] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 235.205800][ T5398] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 235.213762][ T5398] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 235.221732][ T5398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 235.229791][ T5398] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 235.237804][ T5398] [ 235.244092][ T5398] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.257470][ T5398] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 235.556200][ T5400] loop1: detected capacity change from 0 to 32768 [ 235.608787][ T5400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 235.616408][ T5400] CPU: 0 PID: 5400 Comm: syz.1.203 Not tainted syzkaller #0 [ 235.623720][ T5400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 235.633908][ T5400] Call Trace: [ 235.637375][ T5400] [ 235.640317][ T5400] dump_stack_lvl+0x188/0x250 [ 235.645023][ T5400] ? show_regs_print_info+0x20/0x20 [ 235.650249][ T5400] ? load_image+0x410/0x410 [ 235.654866][ T5400] sysfs_create_dir_ns+0x26a/0x290 [ 235.659992][ T5400] ? sysfs_warn_dup+0xa0/0xa0 [ 235.664761][ T5400] ? do_raw_spin_unlock+0x11d/0x230 [ 235.669978][ T5400] kobject_add_internal+0x5ba/0xcd0 [ 235.675202][ T5400] kobject_init_and_add+0x128/0x190 [ 235.680416][ T5400] ? lockdep_softirqs_off+0x430/0x430 [ 235.685811][ T5400] ? kobject_add+0x230/0x230 [ 235.690420][ T5400] ? __init_swait_queue_head+0xa4/0x140 [ 235.696008][ T5400] gfs2_sys_fs_add+0x24f/0x4b0 [ 235.700796][ T5400] ? gfs2_recover_set+0x240/0x240 [ 235.705823][ T5400] ? snprintf+0xe5/0x140 [ 235.710069][ T5400] ? __free_pages+0x95/0x1a0 [ 235.714757][ T5400] ? vscnprintf+0x80/0x80 [ 235.719086][ T5400] gfs2_fill_super+0x11ed/0x1ea0 [ 235.724024][ T5400] ? gfs2_reconfigure+0xd80/0xd80 [ 235.729197][ T5400] ? sb_set_blocksize+0xa5/0xe0 [ 235.734051][ T5400] get_tree_bdev+0x3e6/0x610 [ 235.738635][ T5400] ? gfs2_reconfigure+0xd80/0xd80 [ 235.743662][ T5400] gfs2_get_tree+0x4d/0x1e0 [ 235.748157][ T5400] vfs_get_tree+0x88/0x270 [ 235.752570][ T5400] do_new_mount+0x247/0xa50 [ 235.757082][ T5400] __se_sys_mount+0x2e3/0x3d0 [ 235.761749][ T5400] ? __x64_sys_mount+0xc0/0xc0 [ 235.766949][ T5400] ? lockdep_hardirqs_on+0x94/0x140 [ 235.772132][ T5400] ? __x64_sys_mount+0x1c/0xc0 [ 235.776991][ T5400] do_syscall_64+0x4c/0xa0 [ 235.781390][ T5400] ? clear_bhb_loop+0x30/0x80 [ 235.786053][ T5400] ? clear_bhb_loop+0x30/0x80 [ 235.790723][ T5400] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 235.796750][ T5400] RIP: 0033:0x7f255354ea8a [ 235.801253][ T5400] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 235.821268][ T5400] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 235.830136][ T5400] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 235.838493][ T5400] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 235.846637][ T5400] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 235.854607][ T5400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 235.862583][ T5400] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 235.870567][ T5400] [ 235.874932][ T5400] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 235.888227][ T5400] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.182744][ T5402] loop1: detected capacity change from 0 to 32768 [ 236.239389][ T5402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.246801][ T5402] CPU: 1 PID: 5402 Comm: syz.1.204 Not tainted syzkaller #0 [ 236.254276][ T5402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 236.264585][ T5402] Call Trace: [ 236.267875][ T5402] [ 236.270842][ T5402] dump_stack_lvl+0x188/0x250 [ 236.275539][ T5402] ? show_regs_print_info+0x20/0x20 [ 236.280842][ T5402] ? load_image+0x410/0x410 [ 236.285531][ T5402] sysfs_create_dir_ns+0x26a/0x290 [ 236.290859][ T5402] ? sysfs_warn_dup+0xa0/0xa0 [ 236.295553][ T5402] ? do_raw_spin_unlock+0x11d/0x230 [ 236.300883][ T5402] kobject_add_internal+0x5ba/0xcd0 [ 236.306101][ T5402] kobject_init_and_add+0x128/0x190 [ 236.311303][ T5402] ? lockdep_softirqs_off+0x430/0x430 [ 236.316784][ T5402] ? kobject_add+0x230/0x230 [ 236.321453][ T5402] ? __init_swait_queue_head+0xa4/0x140 [ 236.327083][ T5402] gfs2_sys_fs_add+0x24f/0x4b0 [ 236.331847][ T5402] ? gfs2_recover_set+0x240/0x240 [ 236.336864][ T5402] ? snprintf+0xe5/0x140 [ 236.341119][ T5402] ? __free_pages+0x95/0x1a0 [ 236.345789][ T5402] ? vscnprintf+0x80/0x80 [ 236.350338][ T5402] gfs2_fill_super+0x11ed/0x1ea0 [ 236.355485][ T5402] ? gfs2_reconfigure+0xd80/0xd80 [ 236.360524][ T5402] ? sb_set_blocksize+0xa5/0xe0 [ 236.365367][ T5402] get_tree_bdev+0x3e6/0x610 [ 236.369968][ T5402] ? gfs2_reconfigure+0xd80/0xd80 [ 236.374984][ T5402] gfs2_get_tree+0x4d/0x1e0 [ 236.380033][ T5402] vfs_get_tree+0x88/0x270 [ 236.384436][ T5402] do_new_mount+0x247/0xa50 [ 236.389012][ T5402] __se_sys_mount+0x2e3/0x3d0 [ 236.393690][ T5402] ? __x64_sys_mount+0xc0/0xc0 [ 236.398529][ T5402] ? lockdep_hardirqs_on+0x94/0x140 [ 236.403844][ T5402] ? __x64_sys_mount+0x1c/0xc0 [ 236.408615][ T5402] do_syscall_64+0x4c/0xa0 [ 236.413110][ T5402] ? clear_bhb_loop+0x30/0x80 [ 236.417797][ T5402] ? clear_bhb_loop+0x30/0x80 [ 236.422571][ T5402] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 236.428480][ T5402] RIP: 0033:0x7f255354ea8a [ 236.432927][ T5402] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 236.452737][ T5402] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 236.461245][ T5402] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 236.469223][ T5402] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 236.477374][ T5402] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 236.485533][ T5402] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 236.493521][ T5402] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 236.501525][ T5402] [ 236.506469][ T5402] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 236.520110][ T5402] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 236.856499][ T5404] loop1: detected capacity change from 0 to 32768 [ 236.874358][ T5404] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 236.882108][ T5404] CPU: 0 PID: 5404 Comm: syz.1.205 Not tainted syzkaller #0 [ 236.889519][ T5404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 236.899586][ T5404] Call Trace: [ 236.902876][ T5404] [ 236.905814][ T5404] dump_stack_lvl+0x188/0x250 [ 236.910897][ T5404] ? show_regs_print_info+0x20/0x20 [ 236.916213][ T5404] ? load_image+0x410/0x410 [ 236.920844][ T5404] sysfs_create_dir_ns+0x26a/0x290 [ 236.925978][ T5404] ? sysfs_warn_dup+0xa0/0xa0 [ 236.930760][ T5404] ? do_raw_spin_unlock+0x11d/0x230 [ 236.935971][ T5404] kobject_add_internal+0x5ba/0xcd0 [ 236.941190][ T5404] kobject_init_and_add+0x128/0x190 [ 236.946515][ T5404] ? lockdep_softirqs_off+0x430/0x430 [ 236.952008][ T5404] ? kobject_add+0x230/0x230 [ 236.956620][ T5404] ? __init_swait_queue_head+0xa4/0x140 [ 236.962184][ T5404] gfs2_sys_fs_add+0x24f/0x4b0 [ 236.967228][ T5404] ? gfs2_recover_set+0x240/0x240 [ 236.972279][ T5404] ? snprintf+0xe5/0x140 [ 236.976683][ T5404] ? __free_pages+0x95/0x1a0 [ 236.981442][ T5404] ? vscnprintf+0x80/0x80 [ 236.985764][ T5404] gfs2_fill_super+0x11ed/0x1ea0 [ 236.990783][ T5404] ? gfs2_reconfigure+0xd80/0xd80 [ 236.995863][ T5404] ? sb_set_blocksize+0xa5/0xe0 [ 237.000798][ T5404] get_tree_bdev+0x3e6/0x610 [ 237.005436][ T5404] ? gfs2_reconfigure+0xd80/0xd80 [ 237.010651][ T5404] gfs2_get_tree+0x4d/0x1e0 [ 237.015245][ T5404] vfs_get_tree+0x88/0x270 [ 237.019664][ T5404] do_new_mount+0x247/0xa50 [ 237.024199][ T5404] __se_sys_mount+0x2e3/0x3d0 [ 237.028870][ T5404] ? __x64_sys_mount+0xc0/0xc0 [ 237.033623][ T5404] ? lockdep_hardirqs_on+0x94/0x140 [ 237.038825][ T5404] ? __x64_sys_mount+0x1c/0xc0 [ 237.043590][ T5404] do_syscall_64+0x4c/0xa0 [ 237.048014][ T5404] ? clear_bhb_loop+0x30/0x80 [ 237.053634][ T5404] ? clear_bhb_loop+0x30/0x80 [ 237.058367][ T5404] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 237.064253][ T5404] RIP: 0033:0x7f255354ea8a [ 237.068657][ T5404] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 237.088510][ T5404] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 237.096922][ T5404] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 237.104910][ T5404] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 237.113013][ T5404] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 237.121174][ T5404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 237.129415][ T5404] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 237.137396][ T5404] [ 237.141616][ T5404] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.155144][ T5404] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.269375][ T4269] Bluetooth: hci1: command 0x0406 tx timeout [ 237.459914][ T5406] loop1: detected capacity change from 0 to 32768 [ 237.519540][ T5406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 237.527129][ T5406] CPU: 0 PID: 5406 Comm: syz.1.206 Not tainted syzkaller #0 [ 237.534702][ T5406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 237.545369][ T5406] Call Trace: [ 237.548662][ T5406] [ 237.551610][ T5406] dump_stack_lvl+0x188/0x250 [ 237.556310][ T5406] ? show_regs_print_info+0x20/0x20 [ 237.561610][ T5406] ? load_image+0x410/0x410 [ 237.566143][ T5406] sysfs_create_dir_ns+0x26a/0x290 [ 237.571363][ T5406] ? sysfs_warn_dup+0xa0/0xa0 [ 237.576070][ T5406] ? do_raw_spin_unlock+0x11d/0x230 [ 237.581431][ T5406] kobject_add_internal+0x5ba/0xcd0 [ 237.586784][ T5406] kobject_init_and_add+0x128/0x190 [ 237.592015][ T5406] ? lockdep_softirqs_off+0x430/0x430 [ 237.597499][ T5406] ? kobject_add+0x230/0x230 [ 237.602197][ T5406] ? __init_swait_queue_head+0xa4/0x140 [ 237.607766][ T5406] gfs2_sys_fs_add+0x24f/0x4b0 [ 237.612560][ T5406] ? gfs2_recover_set+0x240/0x240 [ 237.617597][ T5406] ? snprintf+0xe5/0x140 [ 237.621849][ T5406] ? __free_pages+0x95/0x1a0 [ 237.626444][ T5406] ? vscnprintf+0x80/0x80 [ 237.630904][ T5406] gfs2_fill_super+0x11ed/0x1ea0 [ 237.635869][ T5406] ? gfs2_reconfigure+0xd80/0xd80 [ 237.640908][ T5406] ? sb_set_blocksize+0xa5/0xe0 [ 237.645772][ T5406] get_tree_bdev+0x3e6/0x610 [ 237.650358][ T5406] ? gfs2_reconfigure+0xd80/0xd80 [ 237.655484][ T5406] gfs2_get_tree+0x4d/0x1e0 [ 237.659992][ T5406] vfs_get_tree+0x88/0x270 [ 237.664430][ T5406] do_new_mount+0x247/0xa50 [ 237.668990][ T5406] __se_sys_mount+0x2e3/0x3d0 [ 237.673854][ T5406] ? __x64_sys_mount+0xc0/0xc0 [ 237.678623][ T5406] ? lockdep_hardirqs_on+0x94/0x140 [ 237.683811][ T5406] ? __x64_sys_mount+0x1c/0xc0 [ 237.689087][ T5406] do_syscall_64+0x4c/0xa0 [ 237.693497][ T5406] ? clear_bhb_loop+0x30/0x80 [ 237.698251][ T5406] ? clear_bhb_loop+0x30/0x80 [ 237.702919][ T5406] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 237.708801][ T5406] RIP: 0033:0x7f255354ea8a [ 237.713225][ T5406] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 237.732916][ T5406] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 237.741327][ T5406] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 237.749294][ T5406] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 237.757265][ T5406] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 237.765313][ T5406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 237.773507][ T5406] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 237.781586][ T5406] [ 237.785736][ T5406] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 237.799002][ T5406] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.101921][ T5408] loop1: detected capacity change from 0 to 32768 [ 238.181485][ T5408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.191126][ T5408] CPU: 0 PID: 5408 Comm: syz.1.207 Not tainted syzkaller #0 [ 238.198449][ T5408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 238.208555][ T5408] Call Trace: [ 238.211958][ T5408] [ 238.214899][ T5408] dump_stack_lvl+0x188/0x250 [ 238.219590][ T5408] ? show_regs_print_info+0x20/0x20 [ 238.224835][ T5408] ? load_image+0x410/0x410 [ 238.229352][ T5408] sysfs_create_dir_ns+0x26a/0x290 [ 238.234460][ T5408] ? sysfs_warn_dup+0xa0/0xa0 [ 238.239135][ T5408] ? do_raw_spin_unlock+0x11d/0x230 [ 238.244331][ T5408] kobject_add_internal+0x5ba/0xcd0 [ 238.249525][ T5408] kobject_init_and_add+0x128/0x190 [ 238.254808][ T5408] ? lockdep_softirqs_off+0x430/0x430 [ 238.260316][ T5408] ? kobject_add+0x230/0x230 [ 238.265200][ T5408] ? __init_swait_queue_head+0xa4/0x140 [ 238.270914][ T5408] gfs2_sys_fs_add+0x24f/0x4b0 [ 238.275712][ T5408] ? gfs2_recover_set+0x240/0x240 [ 238.280832][ T5408] ? snprintf+0xe5/0x140 [ 238.285168][ T5408] ? __free_pages+0x95/0x1a0 [ 238.289854][ T5408] ? vscnprintf+0x80/0x80 [ 238.294360][ T5408] gfs2_fill_super+0x11ed/0x1ea0 [ 238.299297][ T5408] ? gfs2_reconfigure+0xd80/0xd80 [ 238.304332][ T5408] ? sb_set_blocksize+0xa5/0xe0 [ 238.309173][ T5408] get_tree_bdev+0x3e6/0x610 [ 238.313949][ T5408] ? gfs2_reconfigure+0xd80/0xd80 [ 238.318984][ T5408] gfs2_get_tree+0x4d/0x1e0 [ 238.323482][ T5408] vfs_get_tree+0x88/0x270 [ 238.327887][ T5408] do_new_mount+0x247/0xa50 [ 238.332393][ T5408] __se_sys_mount+0x2e3/0x3d0 [ 238.337093][ T5408] ? __x64_sys_mount+0xc0/0xc0 [ 238.341867][ T5408] ? lockdep_hardirqs_on+0x94/0x140 [ 238.347054][ T5408] ? __x64_sys_mount+0x1c/0xc0 [ 238.351917][ T5408] do_syscall_64+0x4c/0xa0 [ 238.356325][ T5408] ? clear_bhb_loop+0x30/0x80 [ 238.360999][ T5408] ? clear_bhb_loop+0x30/0x80 [ 238.365662][ T5408] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 238.371547][ T5408] RIP: 0033:0x7f255354ea8a [ 238.376043][ T5408] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 238.395652][ T5408] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 238.404075][ T5408] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 238.412219][ T5408] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 238.420184][ T5408] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 238.428574][ T5408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 238.436655][ T5408] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 238.444664][ T5408] [ 238.448709][ T5408] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 238.461977][ T5408] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 238.792106][ T5410] loop1: detected capacity change from 0 to 32768 [ 238.859487][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 238.867762][ T5410] CPU: 1 PID: 5410 Comm: syz.1.208 Not tainted syzkaller #0 [ 238.875175][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 238.885353][ T5410] Call Trace: [ 238.888657][ T5410] [ 238.891901][ T5410] dump_stack_lvl+0x188/0x250 [ 238.896704][ T5410] ? show_regs_print_info+0x20/0x20 [ 238.902068][ T5410] ? load_image+0x410/0x410 [ 238.906780][ T5410] sysfs_create_dir_ns+0x26a/0x290 [ 238.912267][ T5410] ? sysfs_warn_dup+0xa0/0xa0 [ 238.916963][ T5410] ? do_raw_spin_unlock+0x11d/0x230 [ 238.922718][ T5410] kobject_add_internal+0x5ba/0xcd0 [ 238.928027][ T5410] kobject_init_and_add+0x128/0x190 [ 238.933336][ T5410] ? lockdep_softirqs_off+0x430/0x430 [ 238.938780][ T5410] ? kobject_add+0x230/0x230 [ 238.943598][ T5410] ? __init_swait_queue_head+0xa4/0x140 [ 238.949292][ T5410] gfs2_sys_fs_add+0x24f/0x4b0 [ 238.954256][ T5410] ? gfs2_recover_set+0x240/0x240 [ 238.959405][ T5410] ? snprintf+0xe5/0x140 [ 238.963884][ T5410] ? __free_pages+0x95/0x1a0 [ 238.968901][ T5410] ? vscnprintf+0x80/0x80 [ 238.974213][ T5410] gfs2_fill_super+0x11ed/0x1ea0 [ 238.979355][ T5410] ? gfs2_reconfigure+0xd80/0xd80 [ 238.984639][ T5410] ? sb_set_blocksize+0xa5/0xe0 [ 238.990035][ T5410] get_tree_bdev+0x3e6/0x610 [ 238.994647][ T5410] ? gfs2_reconfigure+0xd80/0xd80 [ 238.999892][ T5410] gfs2_get_tree+0x4d/0x1e0 [ 239.004507][ T5410] vfs_get_tree+0x88/0x270 [ 239.010019][ T5410] do_new_mount+0x247/0xa50 [ 239.014592][ T5410] __se_sys_mount+0x2e3/0x3d0 [ 239.019376][ T5410] ? __x64_sys_mount+0xc0/0xc0 [ 239.024177][ T5410] ? lockdep_hardirqs_on+0x94/0x140 [ 239.030869][ T5410] ? __x64_sys_mount+0x1c/0xc0 [ 239.036072][ T5410] do_syscall_64+0x4c/0xa0 [ 239.040627][ T5410] ? clear_bhb_loop+0x30/0x80 [ 239.045848][ T5410] ? clear_bhb_loop+0x30/0x80 [ 239.050545][ T5410] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 239.056609][ T5410] RIP: 0033:0x7f255354ea8a [ 239.061025][ T5410] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 239.081098][ T5410] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 239.090062][ T5410] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 239.098739][ T5410] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 239.106714][ T5410] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 239.115089][ T5410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 239.123155][ T5410] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 239.131137][ T5410] [ 239.135600][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.148778][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 239.449186][ T5412] loop1: detected capacity change from 0 to 32768 [ 239.491933][ T5412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 239.500383][ T5412] CPU: 0 PID: 5412 Comm: syz.1.209 Not tainted syzkaller #0 [ 239.507695][ T5412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 239.517762][ T5412] Call Trace: [ 239.521067][ T5412] [ 239.524099][ T5412] dump_stack_lvl+0x188/0x250 [ 239.528901][ T5412] ? show_regs_print_info+0x20/0x20 [ 239.534121][ T5412] ? load_image+0x410/0x410 [ 239.538653][ T5412] sysfs_create_dir_ns+0x26a/0x290 [ 239.543875][ T5412] ? sysfs_warn_dup+0xa0/0xa0 [ 239.548576][ T5412] ? do_raw_spin_unlock+0x11d/0x230 [ 239.553795][ T5412] kobject_add_internal+0x5ba/0xcd0 [ 239.559016][ T5412] kobject_init_and_add+0x128/0x190 [ 239.564408][ T5412] ? lockdep_softirqs_off+0x430/0x430 [ 239.570151][ T5412] ? kobject_add+0x230/0x230 [ 239.574784][ T5412] ? __init_swait_queue_head+0xa4/0x140 [ 239.580364][ T5412] gfs2_sys_fs_add+0x24f/0x4b0 [ 239.585132][ T5412] ? gfs2_recover_set+0x240/0x240 [ 239.590233][ T5412] ? snprintf+0xe5/0x140 [ 239.594545][ T5412] ? __free_pages+0x95/0x1a0 [ 239.599127][ T5412] ? vscnprintf+0x80/0x80 [ 239.604063][ T5412] gfs2_fill_super+0x11ed/0x1ea0 [ 239.609399][ T5412] ? gfs2_reconfigure+0xd80/0xd80 [ 239.614535][ T5412] ? sb_set_blocksize+0xa5/0xe0 [ 239.619596][ T5412] get_tree_bdev+0x3e6/0x610 [ 239.624207][ T5412] ? gfs2_reconfigure+0xd80/0xd80 [ 239.629239][ T5412] gfs2_get_tree+0x4d/0x1e0 [ 239.633819][ T5412] vfs_get_tree+0x88/0x270 [ 239.638393][ T5412] do_new_mount+0x247/0xa50 [ 239.642904][ T5412] __se_sys_mount+0x2e3/0x3d0 [ 239.647718][ T5412] ? __x64_sys_mount+0xc0/0xc0 [ 239.652533][ T5412] ? lockdep_hardirqs_on+0x94/0x140 [ 239.657728][ T5412] ? __x64_sys_mount+0x1c/0xc0 [ 239.662657][ T5412] do_syscall_64+0x4c/0xa0 [ 239.667097][ T5412] ? clear_bhb_loop+0x30/0x80 [ 239.671793][ T5412] ? clear_bhb_loop+0x30/0x80 [ 239.676651][ T5412] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 239.682640][ T5412] RIP: 0033:0x7f255354ea8a [ 239.687055][ T5412] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 239.707256][ T5412] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 239.715755][ T5412] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 239.723748][ T5412] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 239.733536][ T5412] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 239.742554][ T5412] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 239.751269][ T5412] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 239.759343][ T5412] [ 239.763483][ T5412] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 239.777093][ T5412] gfs2: fsid=syz:syz: error -17 adding sysfs files 2026/11/08 10:35:21 executed programs: 195 [ 240.087828][ T5414] loop1: detected capacity change from 0 to 32768 [ 240.107303][ T5414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.115489][ T5414] CPU: 1 PID: 5414 Comm: syz.1.210 Not tainted syzkaller #0 [ 240.123324][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 240.133742][ T5414] Call Trace: [ 240.137040][ T5414] [ 240.139984][ T5414] dump_stack_lvl+0x188/0x250 [ 240.144684][ T5414] ? show_regs_print_info+0x20/0x20 [ 240.150006][ T5414] ? load_image+0x410/0x410 [ 240.154542][ T5414] sysfs_create_dir_ns+0x26a/0x290 [ 240.159691][ T5414] ? sysfs_warn_dup+0xa0/0xa0 [ 240.164398][ T5414] ? do_raw_spin_unlock+0x11d/0x230 [ 240.169628][ T5414] kobject_add_internal+0x5ba/0xcd0 [ 240.174982][ T5414] kobject_init_and_add+0x128/0x190 [ 240.180328][ T5414] ? lockdep_softirqs_off+0x430/0x430 [ 240.185723][ T5414] ? kobject_add+0x230/0x230 [ 240.190421][ T5414] ? __init_swait_queue_head+0xa4/0x140 [ 240.198343][ T5414] gfs2_sys_fs_add+0x24f/0x4b0 [ 240.203552][ T5414] ? gfs2_recover_set+0x240/0x240 [ 240.208599][ T5414] ? snprintf+0xe5/0x140 [ 240.212852][ T5414] ? __free_pages+0x95/0x1a0 [ 240.217455][ T5414] ? vscnprintf+0x80/0x80 [ 240.221799][ T5414] gfs2_fill_super+0x11ed/0x1ea0 [ 240.226771][ T5414] ? gfs2_reconfigure+0xd80/0xd80 [ 240.232056][ T5414] ? sb_set_blocksize+0xa5/0xe0 [ 240.237015][ T5414] get_tree_bdev+0x3e6/0x610 [ 240.241606][ T5414] ? gfs2_reconfigure+0xd80/0xd80 [ 240.246623][ T5414] gfs2_get_tree+0x4d/0x1e0 [ 240.251122][ T5414] vfs_get_tree+0x88/0x270 [ 240.255619][ T5414] do_new_mount+0x247/0xa50 [ 240.260121][ T5414] __se_sys_mount+0x2e3/0x3d0 [ 240.264826][ T5414] ? __x64_sys_mount+0xc0/0xc0 [ 240.269887][ T5414] ? lockdep_hardirqs_on+0x94/0x140 [ 240.275093][ T5414] ? __x64_sys_mount+0x1c/0xc0 [ 240.279949][ T5414] do_syscall_64+0x4c/0xa0 [ 240.284472][ T5414] ? clear_bhb_loop+0x30/0x80 [ 240.289138][ T5414] ? clear_bhb_loop+0x30/0x80 [ 240.293816][ T5414] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 240.299914][ T5414] RIP: 0033:0x7f255354ea8a [ 240.304434][ T5414] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 240.324213][ T5414] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 240.332636][ T5414] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 240.340605][ T5414] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 240.348585][ T5414] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 240.356652][ T5414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 240.364614][ T5414] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 240.372673][ T5414] [ 240.379354][ T5414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 240.392947][ T5414] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 240.711164][ T5416] loop1: detected capacity change from 0 to 32768 [ 240.751526][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 240.759142][ T5416] CPU: 0 PID: 5416 Comm: syz.1.211 Not tainted syzkaller #0 [ 240.766451][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 240.776530][ T5416] Call Trace: [ 240.779827][ T5416] [ 240.782765][ T5416] dump_stack_lvl+0x188/0x250 [ 240.787595][ T5416] ? show_regs_print_info+0x20/0x20 [ 240.792819][ T5416] ? load_image+0x410/0x410 [ 240.797530][ T5416] sysfs_create_dir_ns+0x26a/0x290 [ 240.802660][ T5416] ? sysfs_warn_dup+0xa0/0xa0 [ 240.807358][ T5416] ? do_raw_spin_unlock+0x11d/0x230 [ 240.812579][ T5416] kobject_add_internal+0x5ba/0xcd0 [ 240.817797][ T5416] kobject_init_and_add+0x128/0x190 [ 240.823101][ T5416] ? lockdep_softirqs_off+0x430/0x430 [ 240.828499][ T5416] ? kobject_add+0x230/0x230 [ 240.833111][ T5416] ? __init_swait_queue_head+0xa4/0x140 [ 240.838695][ T5416] gfs2_sys_fs_add+0x24f/0x4b0 [ 240.843485][ T5416] ? gfs2_recover_set+0x240/0x240 [ 240.848517][ T5416] ? snprintf+0xe5/0x140 [ 240.853105][ T5416] ? __free_pages+0x95/0x1a0 [ 240.857786][ T5416] ? vscnprintf+0x80/0x80 [ 240.862141][ T5416] gfs2_fill_super+0x11ed/0x1ea0 [ 240.867256][ T5416] ? gfs2_reconfigure+0xd80/0xd80 [ 240.872362][ T5416] ? sb_set_blocksize+0xa5/0xe0 [ 240.877208][ T5416] get_tree_bdev+0x3e6/0x610 [ 240.881795][ T5416] ? gfs2_reconfigure+0xd80/0xd80 [ 240.886943][ T5416] gfs2_get_tree+0x4d/0x1e0 [ 240.891589][ T5416] vfs_get_tree+0x88/0x270 [ 240.896014][ T5416] do_new_mount+0x247/0xa50 [ 240.900516][ T5416] __se_sys_mount+0x2e3/0x3d0 [ 240.905188][ T5416] ? __x64_sys_mount+0xc0/0xc0 [ 240.909951][ T5416] ? lockdep_hardirqs_on+0x94/0x140 [ 240.915161][ T5416] ? __x64_sys_mount+0x1c/0xc0 [ 240.919913][ T5416] do_syscall_64+0x4c/0xa0 [ 240.924496][ T5416] ? clear_bhb_loop+0x30/0x80 [ 240.929171][ T5416] ? clear_bhb_loop+0x30/0x80 [ 240.933857][ T5416] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 240.939743][ T5416] RIP: 0033:0x7f255354ea8a [ 240.944155][ T5416] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 240.964252][ T5416] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 240.972674][ T5416] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 240.980639][ T5416] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 240.988594][ T5416] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 240.996689][ T5416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 241.004666][ T5416] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 241.012643][ T5416] [ 241.017117][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.030459][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.328557][ T5418] loop1: detected capacity change from 0 to 32768 [ 241.368021][ T5418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.375541][ T5418] CPU: 1 PID: 5418 Comm: syz.1.212 Not tainted syzkaller #0 [ 241.382929][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 241.393009][ T5418] Call Trace: [ 241.396298][ T5418] [ 241.399234][ T5418] dump_stack_lvl+0x188/0x250 [ 241.403932][ T5418] ? show_regs_print_info+0x20/0x20 [ 241.409154][ T5418] ? load_image+0x410/0x410 [ 241.413694][ T5418] sysfs_create_dir_ns+0x26a/0x290 [ 241.418819][ T5418] ? sysfs_warn_dup+0xa0/0xa0 [ 241.423614][ T5418] ? do_raw_spin_unlock+0x11d/0x230 [ 241.428834][ T5418] kobject_add_internal+0x5ba/0xcd0 [ 241.434134][ T5418] kobject_init_and_add+0x128/0x190 [ 241.439341][ T5418] ? lockdep_softirqs_off+0x430/0x430 [ 241.444735][ T5418] ? kobject_add+0x230/0x230 [ 241.449339][ T5418] ? __init_swait_queue_head+0xa4/0x140 [ 241.454915][ T5418] gfs2_sys_fs_add+0x24f/0x4b0 [ 241.459699][ T5418] ? gfs2_recover_set+0x240/0x240 [ 241.464713][ T5418] ? snprintf+0xe5/0x140 [ 241.468941][ T5418] ? __free_pages+0x95/0x1a0 [ 241.473520][ T5418] ? vscnprintf+0x80/0x80 [ 241.477950][ T5418] gfs2_fill_super+0x11ed/0x1ea0 [ 241.482880][ T5418] ? gfs2_reconfigure+0xd80/0xd80 [ 241.487903][ T5418] ? sb_set_blocksize+0xa5/0xe0 [ 241.492746][ T5418] get_tree_bdev+0x3e6/0x610 [ 241.497329][ T5418] ? gfs2_reconfigure+0xd80/0xd80 [ 241.502339][ T5418] gfs2_get_tree+0x4d/0x1e0 [ 241.506832][ T5418] vfs_get_tree+0x88/0x270 [ 241.511236][ T5418] do_new_mount+0x247/0xa50 [ 241.515921][ T5418] __se_sys_mount+0x2e3/0x3d0 [ 241.520585][ T5418] ? __x64_sys_mount+0xc0/0xc0 [ 241.525421][ T5418] ? lockdep_hardirqs_on+0x94/0x140 [ 241.530606][ T5418] ? __x64_sys_mount+0x1c/0xc0 [ 241.535396][ T5418] do_syscall_64+0x4c/0xa0 [ 241.539803][ T5418] ? clear_bhb_loop+0x30/0x80 [ 241.544476][ T5418] ? clear_bhb_loop+0x30/0x80 [ 241.549185][ T5418] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 241.555152][ T5418] RIP: 0033:0x7f255354ea8a [ 241.559571][ T5418] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 241.579207][ T5418] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 241.587787][ T5418] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 241.595779][ T5418] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 241.603772][ T5418] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 241.611752][ T5418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 241.619984][ T5418] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 241.628296][ T5418] [ 241.632877][ T5418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 241.646070][ T5418] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 241.963861][ T5420] loop1: detected capacity change from 0 to 32768 [ 241.974962][ T5420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 241.982636][ T5420] CPU: 1 PID: 5420 Comm: syz.1.213 Not tainted syzkaller #0 [ 241.990022][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 242.000089][ T5420] Call Trace: [ 242.003385][ T5420] [ 242.006329][ T5420] dump_stack_lvl+0x188/0x250 [ 242.011116][ T5420] ? show_regs_print_info+0x20/0x20 [ 242.016360][ T5420] ? load_image+0x410/0x410 [ 242.020881][ T5420] sysfs_create_dir_ns+0x26a/0x290 [ 242.026008][ T5420] ? sysfs_warn_dup+0xa0/0xa0 [ 242.030786][ T5420] ? do_raw_spin_unlock+0x11d/0x230 [ 242.036064][ T5420] kobject_add_internal+0x5ba/0xcd0 [ 242.041254][ T5420] kobject_init_and_add+0x128/0x190 [ 242.046453][ T5420] ? lockdep_softirqs_off+0x430/0x430 [ 242.051824][ T5420] ? kobject_add+0x230/0x230 [ 242.056415][ T5420] ? __init_swait_queue_head+0xa4/0x140 [ 242.061974][ T5420] gfs2_sys_fs_add+0x24f/0x4b0 [ 242.066756][ T5420] ? gfs2_recover_set+0x240/0x240 [ 242.071845][ T5420] ? snprintf+0xe5/0x140 [ 242.076086][ T5420] ? __free_pages+0x95/0x1a0 [ 242.080663][ T5420] ? vscnprintf+0x80/0x80 [ 242.084994][ T5420] gfs2_fill_super+0x11ed/0x1ea0 [ 242.089943][ T5420] ? gfs2_reconfigure+0xd80/0xd80 [ 242.094962][ T5420] ? sb_set_blocksize+0xa5/0xe0 [ 242.100050][ T5420] get_tree_bdev+0x3e6/0x610 [ 242.104642][ T5420] ? gfs2_reconfigure+0xd80/0xd80 [ 242.109662][ T5420] gfs2_get_tree+0x4d/0x1e0 [ 242.114179][ T5420] vfs_get_tree+0x88/0x270 [ 242.118606][ T5420] do_new_mount+0x247/0xa50 [ 242.123200][ T5420] __se_sys_mount+0x2e3/0x3d0 [ 242.128173][ T5420] ? __x64_sys_mount+0xc0/0xc0 [ 242.132942][ T5420] ? lockdep_hardirqs_on+0x94/0x140 [ 242.138145][ T5420] ? __x64_sys_mount+0x1c/0xc0 [ 242.142994][ T5420] do_syscall_64+0x4c/0xa0 [ 242.147818][ T5420] ? clear_bhb_loop+0x30/0x80 [ 242.152515][ T5420] ? clear_bhb_loop+0x30/0x80 [ 242.157185][ T5420] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 242.163067][ T5420] RIP: 0033:0x7f255354ea8a [ 242.167470][ T5420] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 242.187516][ T5420] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 242.195947][ T5420] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 242.203935][ T5420] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 242.211895][ T5420] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 242.220043][ T5420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 242.228006][ T5420] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 242.235977][ T5420] [ 242.241248][ T5420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.254686][ T5420] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 242.562201][ T5422] loop1: detected capacity change from 0 to 32768 [ 242.607596][ T5422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 242.615106][ T5422] CPU: 0 PID: 5422 Comm: syz.1.214 Not tainted syzkaller #0 [ 242.622406][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 242.632476][ T5422] Call Trace: [ 242.635766][ T5422] [ 242.638708][ T5422] dump_stack_lvl+0x188/0x250 [ 242.643541][ T5422] ? show_regs_print_info+0x20/0x20 [ 242.648761][ T5422] ? load_image+0x410/0x410 [ 242.653288][ T5422] sysfs_create_dir_ns+0x26a/0x290 [ 242.658418][ T5422] ? sysfs_warn_dup+0xa0/0xa0 [ 242.663119][ T5422] ? do_raw_spin_unlock+0x11d/0x230 [ 242.668431][ T5422] kobject_add_internal+0x5ba/0xcd0 [ 242.673737][ T5422] kobject_init_and_add+0x128/0x190 [ 242.678957][ T5422] ? lockdep_softirqs_off+0x430/0x430 [ 242.684620][ T5422] ? kobject_add+0x230/0x230 [ 242.689231][ T5422] ? __init_swait_queue_head+0xa4/0x140 [ 242.694813][ T5422] gfs2_sys_fs_add+0x24f/0x4b0 [ 242.699690][ T5422] ? gfs2_recover_set+0x240/0x240 [ 242.704704][ T5422] ? snprintf+0xe5/0x140 [ 242.709019][ T5422] ? __free_pages+0x95/0x1a0 [ 242.713595][ T5422] ? vscnprintf+0x80/0x80 [ 242.717947][ T5422] gfs2_fill_super+0x11ed/0x1ea0 [ 242.722910][ T5422] ? gfs2_reconfigure+0xd80/0xd80 [ 242.728054][ T5422] ? sb_set_blocksize+0xa5/0xe0 [ 242.732982][ T5422] get_tree_bdev+0x3e6/0x610 [ 242.737567][ T5422] ? gfs2_reconfigure+0xd80/0xd80 [ 242.742584][ T5422] gfs2_get_tree+0x4d/0x1e0 [ 242.747075][ T5422] vfs_get_tree+0x88/0x270 [ 242.751499][ T5422] do_new_mount+0x247/0xa50 [ 242.756025][ T5422] __se_sys_mount+0x2e3/0x3d0 [ 242.760716][ T5422] ? __x64_sys_mount+0xc0/0xc0 [ 242.765490][ T5422] ? lockdep_hardirqs_on+0x94/0x140 [ 242.770685][ T5422] ? __x64_sys_mount+0x1c/0xc0 [ 242.775510][ T5422] do_syscall_64+0x4c/0xa0 [ 242.779918][ T5422] ? clear_bhb_loop+0x30/0x80 [ 242.784605][ T5422] ? clear_bhb_loop+0x30/0x80 [ 242.789503][ T5422] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 242.795581][ T5422] RIP: 0033:0x7f255354ea8a [ 242.800000][ T5422] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 242.819740][ T5422] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 242.828169][ T5422] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 242.836269][ T5422] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 242.844244][ T5422] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 242.852317][ T5422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 242.860301][ T5422] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 242.868506][ T5422] [ 242.875820][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 242.889217][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.221074][ T5424] loop1: detected capacity change from 0 to 32768 [ 243.270745][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.278187][ T5424] CPU: 1 PID: 5424 Comm: syz.1.215 Not tainted syzkaller #0 [ 243.285574][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 243.295654][ T5424] Call Trace: [ 243.299027][ T5424] [ 243.301962][ T5424] dump_stack_lvl+0x188/0x250 [ 243.306664][ T5424] ? show_regs_print_info+0x20/0x20 [ 243.311876][ T5424] ? load_image+0x410/0x410 [ 243.316497][ T5424] sysfs_create_dir_ns+0x26a/0x290 [ 243.321627][ T5424] ? sysfs_warn_dup+0xa0/0xa0 [ 243.326332][ T5424] ? do_raw_spin_unlock+0x11d/0x230 [ 243.331639][ T5424] kobject_add_internal+0x5ba/0xcd0 [ 243.336864][ T5424] kobject_init_and_add+0x128/0x190 [ 243.342136][ T5424] ? lockdep_softirqs_off+0x430/0x430 [ 243.347625][ T5424] ? kobject_add+0x230/0x230 [ 243.352471][ T5424] ? __init_swait_queue_head+0xa4/0x140 [ 243.358115][ T5424] gfs2_sys_fs_add+0x24f/0x4b0 [ 243.362999][ T5424] ? gfs2_recover_set+0x240/0x240 [ 243.368028][ T5424] ? snprintf+0xe5/0x140 [ 243.372371][ T5424] ? __free_pages+0x95/0x1a0 [ 243.376956][ T5424] ? vscnprintf+0x80/0x80 [ 243.381311][ T5424] gfs2_fill_super+0x11ed/0x1ea0 [ 243.386343][ T5424] ? gfs2_reconfigure+0xd80/0xd80 [ 243.391377][ T5424] ? sb_set_blocksize+0xa5/0xe0 [ 243.396220][ T5424] get_tree_bdev+0x3e6/0x610 [ 243.400797][ T5424] ? gfs2_reconfigure+0xd80/0xd80 [ 243.406032][ T5424] gfs2_get_tree+0x4d/0x1e0 [ 243.410542][ T5424] vfs_get_tree+0x88/0x270 [ 243.414971][ T5424] do_new_mount+0x247/0xa50 [ 243.419497][ T5424] __se_sys_mount+0x2e3/0x3d0 [ 243.424288][ T5424] ? __x64_sys_mount+0xc0/0xc0 [ 243.429048][ T5424] ? lockdep_hardirqs_on+0x94/0x140 [ 243.434320][ T5424] ? __x64_sys_mount+0x1c/0xc0 [ 243.439103][ T5424] do_syscall_64+0x4c/0xa0 [ 243.443506][ T5424] ? clear_bhb_loop+0x30/0x80 [ 243.448171][ T5424] ? clear_bhb_loop+0x30/0x80 [ 243.452930][ T5424] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 243.458819][ T5424] RIP: 0033:0x7f255354ea8a [ 243.463228][ T5424] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 243.482963][ T5424] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 243.491564][ T5424] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 243.499550][ T5424] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 243.507623][ T5424] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 243.516229][ T5424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 243.524420][ T5424] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 243.533431][ T5424] [ 243.538082][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 243.551427][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 243.845466][ T5426] loop1: detected capacity change from 0 to 32768 [ 243.899401][ T5426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 243.906824][ T5426] CPU: 0 PID: 5426 Comm: syz.1.216 Not tainted syzkaller #0 [ 243.914213][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 243.924374][ T5426] Call Trace: [ 243.927755][ T5426] [ 243.930696][ T5426] dump_stack_lvl+0x188/0x250 [ 243.935591][ T5426] ? show_regs_print_info+0x20/0x20 [ 243.940983][ T5426] ? load_image+0x410/0x410 [ 243.945605][ T5426] sysfs_create_dir_ns+0x26a/0x290 [ 243.950830][ T5426] ? sysfs_warn_dup+0xa0/0xa0 [ 243.955656][ T5426] ? do_raw_spin_unlock+0x11d/0x230 [ 243.961053][ T5426] kobject_add_internal+0x5ba/0xcd0 [ 243.966273][ T5426] kobject_init_and_add+0x128/0x190 [ 243.971496][ T5426] ? lockdep_softirqs_off+0x430/0x430 [ 243.976892][ T5426] ? kobject_add+0x230/0x230 [ 243.981947][ T5426] ? __init_swait_queue_head+0xa4/0x140 [ 243.987687][ T5426] gfs2_sys_fs_add+0x24f/0x4b0 [ 243.992482][ T5426] ? gfs2_recover_set+0x240/0x240 [ 243.997584][ T5426] ? snprintf+0xe5/0x140 [ 244.001815][ T5426] ? __free_pages+0x95/0x1a0 [ 244.006398][ T5426] ? vscnprintf+0x80/0x80 [ 244.010822][ T5426] gfs2_fill_super+0x11ed/0x1ea0 [ 244.015781][ T5426] ? gfs2_reconfigure+0xd80/0xd80 [ 244.021012][ T5426] ? sb_set_blocksize+0xa5/0xe0 [ 244.025895][ T5426] get_tree_bdev+0x3e6/0x610 [ 244.030683][ T5426] ? gfs2_reconfigure+0xd80/0xd80 [ 244.035962][ T5426] gfs2_get_tree+0x4d/0x1e0 [ 244.040476][ T5426] vfs_get_tree+0x88/0x270 [ 244.044894][ T5426] do_new_mount+0x247/0xa50 [ 244.049472][ T5426] __se_sys_mount+0x2e3/0x3d0 [ 244.054137][ T5426] ? __x64_sys_mount+0xc0/0xc0 [ 244.058899][ T5426] ? lockdep_hardirqs_on+0x94/0x140 [ 244.064250][ T5426] ? __x64_sys_mount+0x1c/0xc0 [ 244.069016][ T5426] do_syscall_64+0x4c/0xa0 [ 244.073445][ T5426] ? clear_bhb_loop+0x30/0x80 [ 244.078135][ T5426] ? clear_bhb_loop+0x30/0x80 [ 244.082839][ T5426] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 244.088865][ T5426] RIP: 0033:0x7f255354ea8a [ 244.093519][ T5426] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 244.113585][ T5426] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 244.122004][ T5426] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 244.130051][ T5426] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 244.138107][ T5426] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 244.146272][ T5426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 244.154799][ T5426] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 244.163067][ T5426] [ 244.167275][ T5426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.180441][ T5426] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 244.476642][ T5428] loop1: detected capacity change from 0 to 32768 [ 244.540040][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 244.547540][ T5428] CPU: 1 PID: 5428 Comm: syz.1.217 Not tainted syzkaller #0 [ 244.554881][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 244.565380][ T5428] Call Trace: [ 244.568687][ T5428] [ 244.571630][ T5428] dump_stack_lvl+0x188/0x250 [ 244.576324][ T5428] ? show_regs_print_info+0x20/0x20 [ 244.581574][ T5428] ? load_image+0x410/0x410 [ 244.586100][ T5428] sysfs_create_dir_ns+0x26a/0x290 [ 244.591233][ T5428] ? sysfs_warn_dup+0xa0/0xa0 [ 244.595931][ T5428] ? do_raw_spin_unlock+0x11d/0x230 [ 244.601640][ T5428] kobject_add_internal+0x5ba/0xcd0 [ 244.606857][ T5428] kobject_init_and_add+0x128/0x190 [ 244.612068][ T5428] ? lockdep_softirqs_off+0x430/0x430 [ 244.617457][ T5428] ? kobject_add+0x230/0x230 [ 244.622096][ T5428] ? __init_swait_queue_head+0xa4/0x140 [ 244.627766][ T5428] gfs2_sys_fs_add+0x24f/0x4b0 [ 244.632532][ T5428] ? gfs2_recover_set+0x240/0x240 [ 244.637545][ T5428] ? snprintf+0xe5/0x140 [ 244.641795][ T5428] ? __free_pages+0x95/0x1a0 [ 244.646513][ T5428] ? vscnprintf+0x80/0x80 [ 244.650854][ T5428] gfs2_fill_super+0x11ed/0x1ea0 [ 244.655828][ T5428] ? gfs2_reconfigure+0xd80/0xd80 [ 244.660848][ T5428] ? sb_set_blocksize+0xa5/0xe0 [ 244.665683][ T5428] get_tree_bdev+0x3e6/0x610 [ 244.670266][ T5428] ? gfs2_reconfigure+0xd80/0xd80 [ 244.675466][ T5428] gfs2_get_tree+0x4d/0x1e0 [ 244.680051][ T5428] vfs_get_tree+0x88/0x270 [ 244.684482][ T5428] do_new_mount+0x247/0xa50 [ 244.688990][ T5428] __se_sys_mount+0x2e3/0x3d0 [ 244.693665][ T5428] ? __x64_sys_mount+0xc0/0xc0 [ 244.698462][ T5428] ? lockdep_hardirqs_on+0x94/0x140 [ 244.703673][ T5428] ? __x64_sys_mount+0x1c/0xc0 [ 244.708446][ T5428] do_syscall_64+0x4c/0xa0 [ 244.712852][ T5428] ? clear_bhb_loop+0x30/0x80 [ 244.717529][ T5428] ? clear_bhb_loop+0x30/0x80 [ 244.722235][ T5428] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 244.728313][ T5428] RIP: 0033:0x7f255354ea8a [ 244.732739][ T5428] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 244.752361][ T5428] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 244.760806][ T5428] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 244.768967][ T5428] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 244.777189][ T5428] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 244.785171][ T5428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 244.793137][ T5428] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 244.801207][ T5428] [ 244.806222][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 244.819749][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files 2026/11/08 10:35:26 executed programs: 203 [ 245.123049][ T5430] loop1: detected capacity change from 0 to 32768 [ 245.179426][ T5430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.187299][ T5430] CPU: 0 PID: 5430 Comm: syz.1.218 Not tainted syzkaller #0 [ 245.194602][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 245.204673][ T5430] Call Trace: [ 245.207966][ T5430] [ 245.210914][ T5430] dump_stack_lvl+0x188/0x250 [ 245.215787][ T5430] ? show_regs_print_info+0x20/0x20 [ 245.221005][ T5430] ? load_image+0x410/0x410 [ 245.225538][ T5430] sysfs_create_dir_ns+0x26a/0x290 [ 245.230668][ T5430] ? sysfs_warn_dup+0xa0/0xa0 [ 245.235367][ T5430] ? do_raw_spin_unlock+0x11d/0x230 [ 245.240683][ T5430] kobject_add_internal+0x5ba/0xcd0 [ 245.245998][ T5430] kobject_init_and_add+0x128/0x190 [ 245.251210][ T5430] ? lockdep_softirqs_off+0x430/0x430 [ 245.256603][ T5430] ? kobject_add+0x230/0x230 [ 245.261202][ T5430] ? __init_swait_queue_head+0xa4/0x140 [ 245.266760][ T5430] gfs2_sys_fs_add+0x24f/0x4b0 [ 245.271741][ T5430] ? gfs2_recover_set+0x240/0x240 [ 245.276771][ T5430] ? snprintf+0xe5/0x140 [ 245.281007][ T5430] ? __free_pages+0x95/0x1a0 [ 245.285590][ T5430] ? vscnprintf+0x80/0x80 [ 245.289928][ T5430] gfs2_fill_super+0x11ed/0x1ea0 [ 245.294933][ T5430] ? gfs2_reconfigure+0xd80/0xd80 [ 245.299967][ T5430] ? sb_set_blocksize+0xa5/0xe0 [ 245.304802][ T5430] get_tree_bdev+0x3e6/0x610 [ 245.309380][ T5430] ? gfs2_reconfigure+0xd80/0xd80 [ 245.314485][ T5430] gfs2_get_tree+0x4d/0x1e0 [ 245.318987][ T5430] vfs_get_tree+0x88/0x270 [ 245.323477][ T5430] do_new_mount+0x247/0xa50 [ 245.327969][ T5430] __se_sys_mount+0x2e3/0x3d0 [ 245.332721][ T5430] ? __x64_sys_mount+0xc0/0xc0 [ 245.337471][ T5430] ? lockdep_hardirqs_on+0x94/0x140 [ 245.342658][ T5430] ? __x64_sys_mount+0x1c/0xc0 [ 245.347514][ T5430] do_syscall_64+0x4c/0xa0 [ 245.351939][ T5430] ? clear_bhb_loop+0x30/0x80 [ 245.356689][ T5430] ? clear_bhb_loop+0x30/0x80 [ 245.361355][ T5430] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 245.367235][ T5430] RIP: 0033:0x7f255354ea8a [ 245.371641][ T5430] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 245.391233][ T5430] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 245.399749][ T5430] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 245.407797][ T5430] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 245.415935][ T5430] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 245.423933][ T5430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 245.431903][ T5430] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 245.440005][ T5430] [ 245.446064][ T5430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.460412][ T5430] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.791930][ T5432] loop1: detected capacity change from 0 to 32768 [ 245.834163][ T5432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.846142][ T5432] CPU: 0 PID: 5432 Comm: syz.1.219 Not tainted syzkaller #0 [ 245.853467][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 245.863541][ T5432] Call Trace: [ 245.866843][ T5432] [ 245.869779][ T5432] dump_stack_lvl+0x188/0x250 [ 245.874480][ T5432] ? show_regs_print_info+0x20/0x20 [ 245.879697][ T5432] ? load_image+0x410/0x410 [ 245.884237][ T5432] sysfs_create_dir_ns+0x26a/0x290 [ 245.889362][ T5432] ? sysfs_warn_dup+0xa0/0xa0 [ 245.894187][ T5432] ? do_raw_spin_unlock+0x11d/0x230 [ 245.899406][ T5432] kobject_add_internal+0x5ba/0xcd0 [ 245.904623][ T5432] kobject_init_and_add+0x128/0x190 [ 245.909838][ T5432] ? lockdep_softirqs_off+0x430/0x430 [ 245.915441][ T5432] ? kobject_add+0x230/0x230 [ 245.920081][ T5432] ? __init_swait_queue_head+0xa4/0x140 [ 245.925636][ T5432] gfs2_sys_fs_add+0x24f/0x4b0 [ 245.930432][ T5432] ? gfs2_recover_set+0x240/0x240 [ 245.935469][ T5432] ? snprintf+0xe5/0x140 [ 245.939713][ T5432] ? __free_pages+0x95/0x1a0 [ 245.944293][ T5432] ? vscnprintf+0x80/0x80 [ 245.948664][ T5432] gfs2_fill_super+0x11ed/0x1ea0 [ 245.953613][ T5432] ? gfs2_reconfigure+0xd80/0xd80 [ 245.958650][ T5432] ? sb_set_blocksize+0xa5/0xe0 [ 245.963489][ T5432] get_tree_bdev+0x3e6/0x610 [ 245.968070][ T5432] ? gfs2_reconfigure+0xd80/0xd80 [ 245.973104][ T5432] gfs2_get_tree+0x4d/0x1e0 [ 245.977621][ T5432] vfs_get_tree+0x88/0x270 [ 245.982466][ T5432] do_new_mount+0x247/0xa50 [ 245.986964][ T5432] __se_sys_mount+0x2e3/0x3d0 [ 245.991661][ T5432] ? __x64_sys_mount+0xc0/0xc0 [ 245.996414][ T5432] ? lockdep_hardirqs_on+0x94/0x140 [ 246.001597][ T5432] ? __x64_sys_mount+0x1c/0xc0 [ 246.006360][ T5432] do_syscall_64+0x4c/0xa0 [ 246.010781][ T5432] ? clear_bhb_loop+0x30/0x80 [ 246.015489][ T5432] ? clear_bhb_loop+0x30/0x80 [ 246.020785][ T5432] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 246.026694][ T5432] RIP: 0033:0x7f255354ea8a [ 246.031153][ T5432] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 246.050957][ T5432] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.059396][ T5432] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 246.067361][ T5432] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 246.075320][ T5432] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 246.083281][ T5432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 246.091243][ T5432] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 246.099215][ T5432] [ 246.103403][ T5432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.117347][ T5432] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.446611][ T5434] loop1: detected capacity change from 0 to 32768 [ 246.494678][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.502313][ T5434] CPU: 1 PID: 5434 Comm: syz.1.220 Not tainted syzkaller #0 [ 246.509617][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 246.519816][ T5434] Call Trace: [ 246.523202][ T5434] [ 246.526165][ T5434] dump_stack_lvl+0x188/0x250 [ 246.530869][ T5434] ? show_regs_print_info+0x20/0x20 [ 246.536092][ T5434] ? load_image+0x410/0x410 [ 246.540808][ T5434] sysfs_create_dir_ns+0x26a/0x290 [ 246.546288][ T5434] ? sysfs_warn_dup+0xa0/0xa0 [ 246.550979][ T5434] ? do_raw_spin_unlock+0x11d/0x230 [ 246.556208][ T5434] kobject_add_internal+0x5ba/0xcd0 [ 246.561446][ T5434] kobject_init_and_add+0x128/0x190 [ 246.566661][ T5434] ? lockdep_softirqs_off+0x430/0x430 [ 246.572137][ T5434] ? kobject_add+0x230/0x230 [ 246.576865][ T5434] ? __init_swait_queue_head+0xa4/0x140 [ 246.582415][ T5434] gfs2_sys_fs_add+0x24f/0x4b0 [ 246.587176][ T5434] ? gfs2_recover_set+0x240/0x240 [ 246.592190][ T5434] ? snprintf+0xe5/0x140 [ 246.596420][ T5434] ? __free_pages+0x95/0x1a0 [ 246.600999][ T5434] ? vscnprintf+0x80/0x80 [ 246.605488][ T5434] gfs2_fill_super+0x11ed/0x1ea0 [ 246.610416][ T5434] ? gfs2_reconfigure+0xd80/0xd80 [ 246.615449][ T5434] ? sb_set_blocksize+0xa5/0xe0 [ 246.620288][ T5434] get_tree_bdev+0x3e6/0x610 [ 246.625051][ T5434] ? gfs2_reconfigure+0xd80/0xd80 [ 246.630063][ T5434] gfs2_get_tree+0x4d/0x1e0 [ 246.635370][ T5434] vfs_get_tree+0x88/0x270 [ 246.639989][ T5434] do_new_mount+0x247/0xa50 [ 246.644510][ T5434] __se_sys_mount+0x2e3/0x3d0 [ 246.649291][ T5434] ? __x64_sys_mount+0xc0/0xc0 [ 246.654060][ T5434] ? lockdep_hardirqs_on+0x94/0x140 [ 246.659272][ T5434] ? __x64_sys_mount+0x1c/0xc0 [ 246.664037][ T5434] do_syscall_64+0x4c/0xa0 [ 246.668572][ T5434] ? clear_bhb_loop+0x30/0x80 [ 246.673269][ T5434] ? clear_bhb_loop+0x30/0x80 [ 246.678040][ T5434] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 246.683977][ T5434] RIP: 0033:0x7f255354ea8a [ 246.688399][ T5434] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 246.708100][ T5434] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.716528][ T5434] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 246.724494][ T5434] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 246.732454][ T5434] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 246.740538][ T5434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 246.748616][ T5434] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 246.756587][ T5434] [ 246.761302][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.774717][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.092706][ T5436] loop1: detected capacity change from 0 to 32768 [ 247.144204][ T5436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.156039][ T5436] CPU: 0 PID: 5436 Comm: syz.1.221 Not tainted syzkaller #0 [ 247.163624][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 247.173791][ T5436] Call Trace: [ 247.177086][ T5436] [ 247.180030][ T5436] dump_stack_lvl+0x188/0x250 [ 247.184726][ T5436] ? show_regs_print_info+0x20/0x20 [ 247.189939][ T5436] ? load_image+0x410/0x410 [ 247.194474][ T5436] sysfs_create_dir_ns+0x26a/0x290 [ 247.199610][ T5436] ? sysfs_warn_dup+0xa0/0xa0 [ 247.204299][ T5436] ? do_raw_spin_unlock+0x11d/0x230 [ 247.209516][ T5436] kobject_add_internal+0x5ba/0xcd0 [ 247.214733][ T5436] kobject_init_and_add+0x128/0x190 [ 247.219947][ T5436] ? lockdep_softirqs_off+0x430/0x430 [ 247.225871][ T5436] ? kobject_add+0x230/0x230 [ 247.230489][ T5436] ? __init_swait_queue_head+0xa4/0x140 [ 247.236065][ T5436] gfs2_sys_fs_add+0x24f/0x4b0 [ 247.240824][ T5436] ? gfs2_recover_set+0x240/0x240 [ 247.245878][ T5436] ? snprintf+0xe5/0x140 [ 247.250233][ T5436] ? __free_pages+0x95/0x1a0 [ 247.254810][ T5436] ? vscnprintf+0x80/0x80 [ 247.259300][ T5436] gfs2_fill_super+0x11ed/0x1ea0 [ 247.264317][ T5436] ? gfs2_reconfigure+0xd80/0xd80 [ 247.269358][ T5436] ? sb_set_blocksize+0xa5/0xe0 [ 247.274196][ T5436] get_tree_bdev+0x3e6/0x610 [ 247.278786][ T5436] ? gfs2_reconfigure+0xd80/0xd80 [ 247.283820][ T5436] gfs2_get_tree+0x4d/0x1e0 [ 247.288328][ T5436] vfs_get_tree+0x88/0x270 [ 247.292756][ T5436] do_new_mount+0x247/0xa50 [ 247.297263][ T5436] __se_sys_mount+0x2e3/0x3d0 [ 247.301932][ T5436] ? __x64_sys_mount+0xc0/0xc0 [ 247.306699][ T5436] ? lockdep_hardirqs_on+0x94/0x140 [ 247.311878][ T5436] ? __x64_sys_mount+0x1c/0xc0 [ 247.316634][ T5436] do_syscall_64+0x4c/0xa0 [ 247.321034][ T5436] ? clear_bhb_loop+0x30/0x80 [ 247.325693][ T5436] ? clear_bhb_loop+0x30/0x80 [ 247.330365][ T5436] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 247.336328][ T5436] RIP: 0033:0x7f255354ea8a [ 247.340845][ T5436] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 247.360525][ T5436] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 247.368944][ T5436] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 247.376993][ T5436] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 247.384946][ T5436] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 247.392994][ T5436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 247.400975][ T5436] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 247.409082][ T5436] [ 247.413003][ T5436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 247.426201][ T5436] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 247.754791][ T5438] loop1: detected capacity change from 0 to 32768 [ 247.812038][ T5438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.829377][ T5438] CPU: 1 PID: 5438 Comm: syz.1.222 Not tainted syzkaller #0 [ 247.836704][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 247.846862][ T5438] Call Trace: [ 247.850240][ T5438] [ 247.853188][ T5438] dump_stack_lvl+0x188/0x250 [ 247.857882][ T5438] ? show_regs_print_info+0x20/0x20 [ 247.863100][ T5438] ? load_image+0x410/0x410 [ 247.868075][ T5438] sysfs_create_dir_ns+0x26a/0x290 [ 247.873206][ T5438] ? sysfs_warn_dup+0xa0/0xa0 [ 247.877904][ T5438] ? do_raw_spin_unlock+0x11d/0x230 [ 247.883119][ T5438] kobject_add_internal+0x5ba/0xcd0 [ 247.888347][ T5438] kobject_init_and_add+0x128/0x190 [ 247.893643][ T5438] ? lockdep_softirqs_off+0x430/0x430 [ 247.899202][ T5438] ? kobject_add+0x230/0x230 [ 247.903804][ T5438] ? __init_swait_queue_head+0xa4/0x140 [ 247.909478][ T5438] gfs2_sys_fs_add+0x24f/0x4b0 [ 247.914272][ T5438] ? gfs2_recover_set+0x240/0x240 [ 247.919338][ T5438] ? snprintf+0xe5/0x140 [ 247.923591][ T5438] ? __free_pages+0x95/0x1a0 [ 247.928281][ T5438] ? vscnprintf+0x80/0x80 [ 247.932615][ T5438] gfs2_fill_super+0x11ed/0x1ea0 [ 247.937657][ T5438] ? gfs2_reconfigure+0xd80/0xd80 [ 247.942715][ T5438] ? sb_set_blocksize+0xa5/0xe0 [ 247.948122][ T5438] get_tree_bdev+0x3e6/0x610 [ 247.952718][ T5438] ? gfs2_reconfigure+0xd80/0xd80 [ 247.957762][ T5438] gfs2_get_tree+0x4d/0x1e0 [ 247.962280][ T5438] vfs_get_tree+0x88/0x270 [ 247.966775][ T5438] do_new_mount+0x247/0xa50 [ 247.972082][ T5438] __se_sys_mount+0x2e3/0x3d0 [ 247.976862][ T5438] ? __x64_sys_mount+0xc0/0xc0 [ 247.981629][ T5438] ? lockdep_hardirqs_on+0x94/0x140 [ 247.986825][ T5438] ? __x64_sys_mount+0x1c/0xc0 [ 247.991582][ T5438] do_syscall_64+0x4c/0xa0 [ 247.995991][ T5438] ? clear_bhb_loop+0x30/0x80 [ 248.000682][ T5438] ? clear_bhb_loop+0x30/0x80 [ 248.005460][ T5438] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 248.011349][ T5438] RIP: 0033:0x7f255354ea8a [ 248.015755][ T5438] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 248.035345][ T5438] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 248.043947][ T5438] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 248.051920][ T5438] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 248.059995][ T5438] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 248.068066][ T5438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 248.076473][ T5438] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 248.084545][ T5438] [ 248.089316][ T5438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.102504][ T5438] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 248.429546][ T5440] loop1: detected capacity change from 0 to 32768 [ 248.475549][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 248.483051][ T5440] CPU: 0 PID: 5440 Comm: syz.1.223 Not tainted syzkaller #0 [ 248.490353][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 248.500512][ T5440] Call Trace: [ 248.503816][ T5440] [ 248.506782][ T5440] dump_stack_lvl+0x188/0x250 [ 248.511480][ T5440] ? show_regs_print_info+0x20/0x20 [ 248.516697][ T5440] ? load_image+0x410/0x410 [ 248.521225][ T5440] sysfs_create_dir_ns+0x26a/0x290 [ 248.526355][ T5440] ? sysfs_warn_dup+0xa0/0xa0 [ 248.531236][ T5440] ? do_raw_spin_unlock+0x11d/0x230 [ 248.536655][ T5440] kobject_add_internal+0x5ba/0xcd0 [ 248.542945][ T5440] kobject_init_and_add+0x128/0x190 [ 248.548256][ T5440] ? lockdep_softirqs_off+0x430/0x430 [ 248.553659][ T5440] ? kobject_add+0x230/0x230 [ 248.558432][ T5440] ? __init_swait_queue_head+0xa4/0x140 [ 248.563984][ T5440] gfs2_sys_fs_add+0x24f/0x4b0 [ 248.568746][ T5440] ? gfs2_recover_set+0x240/0x240 [ 248.573955][ T5440] ? snprintf+0xe5/0x140 [ 248.578290][ T5440] ? __free_pages+0x95/0x1a0 [ 248.582870][ T5440] ? vscnprintf+0x80/0x80 [ 248.587197][ T5440] gfs2_fill_super+0x11ed/0x1ea0 [ 248.592150][ T5440] ? gfs2_reconfigure+0xd80/0xd80 [ 248.597199][ T5440] ? sb_set_blocksize+0xa5/0xe0 [ 248.602037][ T5440] get_tree_bdev+0x3e6/0x610 [ 248.606628][ T5440] ? gfs2_reconfigure+0xd80/0xd80 [ 248.611660][ T5440] gfs2_get_tree+0x4d/0x1e0 [ 248.616170][ T5440] vfs_get_tree+0x88/0x270 [ 248.620624][ T5440] do_new_mount+0x247/0xa50 [ 248.625308][ T5440] __se_sys_mount+0x2e3/0x3d0 [ 248.629999][ T5440] ? __x64_sys_mount+0xc0/0xc0 [ 248.634850][ T5440] ? lockdep_hardirqs_on+0x94/0x140 [ 248.640037][ T5440] ? __x64_sys_mount+0x1c/0xc0 [ 248.644811][ T5440] do_syscall_64+0x4c/0xa0 [ 248.649250][ T5440] ? clear_bhb_loop+0x30/0x80 [ 248.653918][ T5440] ? clear_bhb_loop+0x30/0x80 [ 248.658590][ T5440] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 248.664500][ T5440] RIP: 0033:0x7f255354ea8a [ 248.669028][ T5440] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 248.688891][ T5440] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 248.697567][ T5440] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 248.705539][ T5440] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 248.713642][ T5440] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 248.722316][ T5440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 248.731010][ T5440] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 248.739579][ T5440] [ 248.743815][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.757080][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.076920][ T5442] loop1: detected capacity change from 0 to 32768 [ 249.127627][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.135151][ T5442] CPU: 1 PID: 5442 Comm: syz.1.224 Not tainted syzkaller #0 [ 249.142453][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 249.152728][ T5442] Call Trace: [ 249.156195][ T5442] [ 249.159131][ T5442] dump_stack_lvl+0x188/0x250 [ 249.163826][ T5442] ? show_regs_print_info+0x20/0x20 [ 249.169061][ T5442] ? load_image+0x410/0x410 [ 249.173596][ T5442] sysfs_create_dir_ns+0x26a/0x290 [ 249.178738][ T5442] ? sysfs_warn_dup+0xa0/0xa0 [ 249.183424][ T5442] ? do_raw_spin_unlock+0x11d/0x230 [ 249.188654][ T5442] kobject_add_internal+0x5ba/0xcd0 [ 249.193878][ T5442] kobject_init_and_add+0x128/0x190 [ 249.199097][ T5442] ? lockdep_softirqs_off+0x430/0x430 [ 249.204574][ T5442] ? kobject_add+0x230/0x230 [ 249.209368][ T5442] ? __init_swait_queue_head+0xa4/0x140 [ 249.215102][ T5442] gfs2_sys_fs_add+0x24f/0x4b0 [ 249.219879][ T5442] ? gfs2_recover_set+0x240/0x240 [ 249.224896][ T5442] ? snprintf+0xe5/0x140 [ 249.229139][ T5442] ? __free_pages+0x95/0x1a0 [ 249.233905][ T5442] ? vscnprintf+0x80/0x80 [ 249.238323][ T5442] gfs2_fill_super+0x11ed/0x1ea0 [ 249.243266][ T5442] ? gfs2_reconfigure+0xd80/0xd80 [ 249.248291][ T5442] ? sb_set_blocksize+0xa5/0xe0 [ 249.253238][ T5442] get_tree_bdev+0x3e6/0x610 [ 249.257822][ T5442] ? gfs2_reconfigure+0xd80/0xd80 [ 249.263028][ T5442] gfs2_get_tree+0x4d/0x1e0 [ 249.267528][ T5442] vfs_get_tree+0x88/0x270 [ 249.272131][ T5442] do_new_mount+0x247/0xa50 [ 249.276656][ T5442] __se_sys_mount+0x2e3/0x3d0 [ 249.281329][ T5442] ? __x64_sys_mount+0xc0/0xc0 [ 249.286099][ T5442] ? lockdep_hardirqs_on+0x94/0x140 [ 249.291590][ T5442] ? __x64_sys_mount+0x1c/0xc0 [ 249.296466][ T5442] do_syscall_64+0x4c/0xa0 [ 249.300969][ T5442] ? clear_bhb_loop+0x30/0x80 [ 249.305632][ T5442] ? clear_bhb_loop+0x30/0x80 [ 249.310307][ T5442] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 249.316235][ T5442] RIP: 0033:0x7f255354ea8a [ 249.320653][ T5442] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 249.341458][ T5442] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 249.350972][ T5442] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 249.359046][ T5442] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 249.367010][ T5442] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 249.374983][ T5442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 249.383049][ T5442] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 249.391036][ T5442] [ 249.400413][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 249.414552][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 249.753638][ T5444] loop1: detected capacity change from 0 to 32768 [ 249.841695][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 249.849573][ T5444] CPU: 0 PID: 5444 Comm: syz.1.225 Not tainted syzkaller #0 [ 249.857013][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 249.867088][ T5444] Call Trace: [ 249.870376][ T5444] [ 249.873323][ T5444] dump_stack_lvl+0x188/0x250 [ 249.878375][ T5444] ? show_regs_print_info+0x20/0x20 [ 249.883593][ T5444] ? load_image+0x410/0x410 [ 249.888130][ T5444] sysfs_create_dir_ns+0x26a/0x290 [ 249.893263][ T5444] ? sysfs_warn_dup+0xa0/0xa0 [ 249.898150][ T5444] ? do_raw_spin_unlock+0x11d/0x230 [ 249.903362][ T5444] kobject_add_internal+0x5ba/0xcd0 [ 249.908989][ T5444] kobject_init_and_add+0x128/0x190 [ 249.914207][ T5444] ? lockdep_softirqs_off+0x430/0x430 [ 249.919843][ T5444] ? kobject_add+0x230/0x230 [ 249.924626][ T5444] ? __init_swait_queue_head+0xa4/0x140 [ 249.930189][ T5444] gfs2_sys_fs_add+0x24f/0x4b0 [ 249.934948][ T5444] ? gfs2_recover_set+0x240/0x240 [ 249.940108][ T5444] ? snprintf+0xe5/0x140 [ 249.944533][ T5444] ? __free_pages+0x95/0x1a0 [ 249.949216][ T5444] ? vscnprintf+0x80/0x80 [ 249.953555][ T5444] gfs2_fill_super+0x11ed/0x1ea0 [ 249.958681][ T5444] ? gfs2_reconfigure+0xd80/0xd80 [ 249.963812][ T5444] ? sb_set_blocksize+0xa5/0xe0 [ 249.968755][ T5444] get_tree_bdev+0x3e6/0x610 [ 249.973360][ T5444] ? gfs2_reconfigure+0xd80/0xd80 [ 249.978398][ T5444] gfs2_get_tree+0x4d/0x1e0 [ 249.983069][ T5444] vfs_get_tree+0x88/0x270 [ 249.987553][ T5444] do_new_mount+0x247/0xa50 [ 249.992059][ T5444] __se_sys_mount+0x2e3/0x3d0 [ 249.996840][ T5444] ? __x64_sys_mount+0xc0/0xc0 [ 250.001597][ T5444] ? lockdep_hardirqs_on+0x94/0x140 [ 250.006780][ T5444] ? __x64_sys_mount+0x1c/0xc0 [ 250.011713][ T5444] do_syscall_64+0x4c/0xa0 [ 250.016369][ T5444] ? clear_bhb_loop+0x30/0x80 [ 250.021143][ T5444] ? clear_bhb_loop+0x30/0x80 [ 250.025817][ T5444] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 250.031731][ T5444] RIP: 0033:0x7f255354ea8a [ 250.036162][ T5444] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 250.055761][ T5444] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 250.064532][ T5444] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 250.072575][ T5444] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 250.080891][ T5444] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 250.089033][ T5444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 250.097791][ T5444] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 250.105776][ T5444] [ 250.109844][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.123344][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files 2026/11/08 10:35:32 executed programs: 211 [ 250.473488][ T5446] loop1: detected capacity change from 0 to 32768 [ 250.494548][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 250.502391][ T5446] CPU: 0 PID: 5446 Comm: syz.1.226 Not tainted syzkaller #0 [ 250.509966][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 250.520261][ T5446] Call Trace: [ 250.523544][ T5446] [ 250.526484][ T5446] dump_stack_lvl+0x188/0x250 [ 250.531197][ T5446] ? show_regs_print_info+0x20/0x20 [ 250.536450][ T5446] ? load_image+0x410/0x410 [ 250.540984][ T5446] sysfs_create_dir_ns+0x26a/0x290 [ 250.546468][ T5446] ? sysfs_warn_dup+0xa0/0xa0 [ 250.551196][ T5446] ? do_raw_spin_unlock+0x11d/0x230 [ 250.556424][ T5446] kobject_add_internal+0x5ba/0xcd0 [ 250.561646][ T5446] kobject_init_and_add+0x128/0x190 [ 250.566867][ T5446] ? lockdep_softirqs_off+0x430/0x430 [ 250.572522][ T5446] ? kobject_add+0x230/0x230 [ 250.577111][ T5446] ? __init_swait_queue_head+0xa4/0x140 [ 250.582653][ T5446] gfs2_sys_fs_add+0x24f/0x4b0 [ 250.587412][ T5446] ? gfs2_recover_set+0x240/0x240 [ 250.592618][ T5446] ? snprintf+0xe5/0x140 [ 250.596849][ T5446] ? __free_pages+0x95/0x1a0 [ 250.601427][ T5446] ? vscnprintf+0x80/0x80 [ 250.605809][ T5446] gfs2_fill_super+0x11ed/0x1ea0 [ 250.610773][ T5446] ? gfs2_reconfigure+0xd80/0xd80 [ 250.615806][ T5446] ? sb_set_blocksize+0xa5/0xe0 [ 250.620646][ T5446] get_tree_bdev+0x3e6/0x610 [ 250.625245][ T5446] ? gfs2_reconfigure+0xd80/0xd80 [ 250.630278][ T5446] gfs2_get_tree+0x4d/0x1e0 [ 250.634778][ T5446] vfs_get_tree+0x88/0x270 [ 250.639213][ T5446] do_new_mount+0x247/0xa50 [ 250.643944][ T5446] __se_sys_mount+0x2e3/0x3d0 [ 250.648746][ T5446] ? __x64_sys_mount+0xc0/0xc0 [ 250.653536][ T5446] ? lockdep_hardirqs_on+0x94/0x140 [ 250.659378][ T5446] ? __x64_sys_mount+0x1c/0xc0 [ 250.664173][ T5446] do_syscall_64+0x4c/0xa0 [ 250.668583][ T5446] ? clear_bhb_loop+0x30/0x80 [ 250.673271][ T5446] ? clear_bhb_loop+0x30/0x80 [ 250.677948][ T5446] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 250.683867][ T5446] RIP: 0033:0x7f255354ea8a [ 250.688379][ T5446] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 250.708090][ T5446] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 250.716519][ T5446] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 250.724850][ T5446] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 250.732818][ T5446] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 250.740956][ T5446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 250.749547][ T5446] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 250.758304][ T5446] [ 250.763633][ T5446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 250.776938][ T5446] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 251.093805][ T5448] loop1: detected capacity change from 0 to 32768 [ 251.163067][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 251.170689][ T5448] CPU: 0 PID: 5448 Comm: syz.1.227 Not tainted syzkaller #0 [ 251.177986][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 251.188737][ T5448] Call Trace: [ 251.192122][ T5448] [ 251.195069][ T5448] dump_stack_lvl+0x188/0x250 [ 251.200159][ T5448] ? show_regs_print_info+0x20/0x20 [ 251.205477][ T5448] ? load_image+0x410/0x410 [ 251.210027][ T5448] sysfs_create_dir_ns+0x26a/0x290 [ 251.215193][ T5448] ? sysfs_warn_dup+0xa0/0xa0 [ 251.219895][ T5448] ? do_raw_spin_unlock+0x11d/0x230 [ 251.225122][ T5448] kobject_add_internal+0x5ba/0xcd0 [ 251.230350][ T5448] kobject_init_and_add+0x128/0x190 [ 251.235737][ T5448] ? lockdep_softirqs_off+0x430/0x430 [ 251.241138][ T5448] ? kobject_add+0x230/0x230 [ 251.245754][ T5448] ? __init_swait_queue_head+0xa4/0x140 [ 251.251336][ T5448] gfs2_sys_fs_add+0x24f/0x4b0 [ 251.256341][ T5448] ? gfs2_recover_set+0x240/0x240 [ 251.261506][ T5448] ? snprintf+0xe5/0x140 [ 251.265741][ T5448] ? __free_pages+0x95/0x1a0 [ 251.270328][ T5448] ? vscnprintf+0x80/0x80 [ 251.275077][ T5448] gfs2_fill_super+0x11ed/0x1ea0 [ 251.280035][ T5448] ? gfs2_reconfigure+0xd80/0xd80 [ 251.285098][ T5448] ? sb_set_blocksize+0xa5/0xe0 [ 251.290072][ T5448] get_tree_bdev+0x3e6/0x610 [ 251.294676][ T5448] ? gfs2_reconfigure+0xd80/0xd80 [ 251.299821][ T5448] gfs2_get_tree+0x4d/0x1e0 [ 251.304328][ T5448] vfs_get_tree+0x88/0x270 [ 251.308773][ T5448] do_new_mount+0x247/0xa50 [ 251.313288][ T5448] __se_sys_mount+0x2e3/0x3d0 [ 251.317968][ T5448] ? __x64_sys_mount+0xc0/0xc0 [ 251.322812][ T5448] ? lockdep_hardirqs_on+0x94/0x140 [ 251.328014][ T5448] ? __x64_sys_mount+0x1c/0xc0 [ 251.332817][ T5448] do_syscall_64+0x4c/0xa0 [ 251.337335][ T5448] ? clear_bhb_loop+0x30/0x80 [ 251.342003][ T5448] ? clear_bhb_loop+0x30/0x80 [ 251.346785][ T5448] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 251.352943][ T5448] RIP: 0033:0x7f255354ea8a [ 251.357445][ T5448] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 251.377349][ T5448] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 251.385942][ T5448] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 251.394035][ T5448] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 251.401998][ T5448] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 251.409977][ T5448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 251.417943][ T5448] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 251.425917][ T5448] [ 251.429810][ T5448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 251.443266][ T5448] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 251.772887][ T5450] loop1: detected capacity change from 0 to 32768 [ 251.818693][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 251.827301][ T5450] CPU: 1 PID: 5450 Comm: syz.1.228 Not tainted syzkaller #0 [ 251.834708][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 251.844881][ T5450] Call Trace: [ 251.848175][ T5450] [ 251.851116][ T5450] dump_stack_lvl+0x188/0x250 [ 251.855900][ T5450] ? show_regs_print_info+0x20/0x20 [ 251.861155][ T5450] ? load_image+0x410/0x410 [ 251.865714][ T5450] sysfs_create_dir_ns+0x26a/0x290 [ 251.870848][ T5450] ? sysfs_warn_dup+0xa0/0xa0 [ 251.875803][ T5450] ? do_raw_spin_unlock+0x11d/0x230 [ 251.881027][ T5450] kobject_add_internal+0x5ba/0xcd0 [ 251.886244][ T5450] kobject_init_and_add+0x128/0x190 [ 251.891451][ T5450] ? lockdep_softirqs_off+0x430/0x430 [ 251.896922][ T5450] ? kobject_add+0x230/0x230 [ 251.901540][ T5450] ? __init_swait_queue_head+0xa4/0x140 [ 251.907088][ T5450] gfs2_sys_fs_add+0x24f/0x4b0 [ 251.911843][ T5450] ? gfs2_recover_set+0x240/0x240 [ 251.916982][ T5450] ? snprintf+0xe5/0x140 [ 251.921439][ T5450] ? __free_pages+0x95/0x1a0 [ 251.926033][ T5450] ? vscnprintf+0x80/0x80 [ 251.930363][ T5450] gfs2_fill_super+0x11ed/0x1ea0 [ 251.935303][ T5450] ? gfs2_reconfigure+0xd80/0xd80 [ 251.940348][ T5450] ? sb_set_blocksize+0xa5/0xe0 [ 251.945304][ T5450] get_tree_bdev+0x3e6/0x610 [ 251.949898][ T5450] ? gfs2_reconfigure+0xd80/0xd80 [ 251.955380][ T5450] gfs2_get_tree+0x4d/0x1e0 [ 251.959889][ T5450] vfs_get_tree+0x88/0x270 [ 251.964318][ T5450] do_new_mount+0x247/0xa50 [ 251.969062][ T5450] __se_sys_mount+0x2e3/0x3d0 [ 251.973760][ T5450] ? __x64_sys_mount+0xc0/0xc0 [ 251.978521][ T5450] ? lockdep_hardirqs_on+0x94/0x140 [ 251.983975][ T5450] ? __x64_sys_mount+0x1c/0xc0 [ 251.988847][ T5450] do_syscall_64+0x4c/0xa0 [ 251.993268][ T5450] ? clear_bhb_loop+0x30/0x80 [ 251.997938][ T5450] ? clear_bhb_loop+0x30/0x80 [ 252.002600][ T5450] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 252.008483][ T5450] RIP: 0033:0x7f255354ea8a [ 252.012903][ T5450] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 252.032595][ T5450] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 252.041101][ T5450] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 252.049229][ T5450] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 252.057575][ T5450] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 252.065564][ T5450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 252.073558][ T5450] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 252.081745][ T5450] [ 252.086885][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 252.100254][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 252.409972][ T5452] loop1: detected capacity change from 0 to 32768 [ 252.477138][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 252.485473][ T5452] CPU: 1 PID: 5452 Comm: syz.1.229 Not tainted syzkaller #0 [ 252.492788][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 252.502871][ T5452] Call Trace: [ 252.506169][ T5452] [ 252.509195][ T5452] dump_stack_lvl+0x188/0x250 [ 252.513888][ T5452] ? show_regs_print_info+0x20/0x20 [ 252.519279][ T5452] ? load_image+0x410/0x410 [ 252.524075][ T5452] sysfs_create_dir_ns+0x26a/0x290 [ 252.529469][ T5452] ? sysfs_warn_dup+0xa0/0xa0 [ 252.534179][ T5452] ? do_raw_spin_unlock+0x11d/0x230 [ 252.539666][ T5452] kobject_add_internal+0x5ba/0xcd0 [ 252.545076][ T5452] kobject_init_and_add+0x128/0x190 [ 252.550412][ T5452] ? lockdep_softirqs_off+0x430/0x430 [ 252.555801][ T5452] ? kobject_add+0x230/0x230 [ 252.560490][ T5452] ? __init_swait_queue_head+0xa4/0x140 [ 252.566131][ T5452] gfs2_sys_fs_add+0x24f/0x4b0 [ 252.570914][ T5452] ? gfs2_recover_set+0x240/0x240 [ 252.576042][ T5452] ? snprintf+0xe5/0x140 [ 252.580458][ T5452] ? __free_pages+0x95/0x1a0 [ 252.585044][ T5452] ? vscnprintf+0x80/0x80 [ 252.589364][ T5452] gfs2_fill_super+0x11ed/0x1ea0 [ 252.594303][ T5452] ? gfs2_reconfigure+0xd80/0xd80 [ 252.599373][ T5452] ? sb_set_blocksize+0xa5/0xe0 [ 252.604215][ T5452] get_tree_bdev+0x3e6/0x610 [ 252.608790][ T5452] ? gfs2_reconfigure+0xd80/0xd80 [ 252.613821][ T5452] gfs2_get_tree+0x4d/0x1e0 [ 252.618313][ T5452] vfs_get_tree+0x88/0x270 [ 252.622723][ T5452] do_new_mount+0x247/0xa50 [ 252.627222][ T5452] __se_sys_mount+0x2e3/0x3d0 [ 252.631902][ T5452] ? __x64_sys_mount+0xc0/0xc0 [ 252.636743][ T5452] ? lockdep_hardirqs_on+0x94/0x140 [ 252.641986][ T5452] ? __x64_sys_mount+0x1c/0xc0 [ 252.646768][ T5452] do_syscall_64+0x4c/0xa0 [ 252.651267][ T5452] ? clear_bhb_loop+0x30/0x80 [ 252.656052][ T5452] ? clear_bhb_loop+0x30/0x80 [ 252.660712][ T5452] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 252.666697][ T5452] RIP: 0033:0x7f255354ea8a [ 252.671118][ T5452] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 252.690903][ T5452] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 252.699340][ T5452] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 252.707418][ T5452] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 252.715383][ T5452] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 252.723368][ T5452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 252.731437][ T5452] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 252.739538][ T5452] [ 252.748917][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 252.763664][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 253.107237][ T5454] loop1: detected capacity change from 0 to 32768 [ 253.149515][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 253.157035][ T5454] CPU: 1 PID: 5454 Comm: syz.1.230 Not tainted syzkaller #0 [ 253.164339][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 253.174417][ T5454] Call Trace: [ 253.178308][ T5454] [ 253.181250][ T5454] dump_stack_lvl+0x188/0x250 [ 253.186088][ T5454] ? show_regs_print_info+0x20/0x20 [ 253.191521][ T5454] ? load_image+0x410/0x410 [ 253.196666][ T5454] sysfs_create_dir_ns+0x26a/0x290 [ 253.201941][ T5454] ? sysfs_warn_dup+0xa0/0xa0 [ 253.206635][ T5454] ? do_raw_spin_unlock+0x11d/0x230 [ 253.211853][ T5454] kobject_add_internal+0x5ba/0xcd0 [ 253.217091][ T5454] kobject_init_and_add+0x128/0x190 [ 253.222305][ T5454] ? lockdep_softirqs_off+0x430/0x430 [ 253.227713][ T5454] ? kobject_add+0x230/0x230 [ 253.232379][ T5454] ? __init_swait_queue_head+0xa4/0x140 [ 253.237919][ T5454] gfs2_sys_fs_add+0x24f/0x4b0 [ 253.242676][ T5454] ? gfs2_recover_set+0x240/0x240 [ 253.247884][ T5454] ? snprintf+0xe5/0x140 [ 253.252128][ T5454] ? __free_pages+0x95/0x1a0 [ 253.256749][ T5454] ? vscnprintf+0x80/0x80 [ 253.261169][ T5454] gfs2_fill_super+0x11ed/0x1ea0 [ 253.266196][ T5454] ? gfs2_reconfigure+0xd80/0xd80 [ 253.271253][ T5454] ? sb_set_blocksize+0xa5/0xe0 [ 253.276341][ T5454] get_tree_bdev+0x3e6/0x610 [ 253.281059][ T5454] ? gfs2_reconfigure+0xd80/0xd80 [ 253.286089][ T5454] gfs2_get_tree+0x4d/0x1e0 [ 253.290586][ T5454] vfs_get_tree+0x88/0x270 [ 253.295242][ T5454] do_new_mount+0x247/0xa50 [ 253.299761][ T5454] __se_sys_mount+0x2e3/0x3d0 [ 253.304540][ T5454] ? __x64_sys_mount+0xc0/0xc0 [ 253.309322][ T5454] ? lockdep_hardirqs_on+0x94/0x140 [ 253.314536][ T5454] ? __x64_sys_mount+0x1c/0xc0 [ 253.319289][ T5454] do_syscall_64+0x4c/0xa0 [ 253.323717][ T5454] ? clear_bhb_loop+0x30/0x80 [ 253.328389][ T5454] ? clear_bhb_loop+0x30/0x80 [ 253.333069][ T5454] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 253.338973][ T5454] RIP: 0033:0x7f255354ea8a [ 253.343586][ T5454] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 253.364246][ T5454] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 253.372691][ T5454] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 253.380655][ T5454] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 253.388615][ T5454] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 253.396712][ T5454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 253.404672][ T5454] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 253.412646][ T5454] [ 253.417103][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 253.430361][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 253.717103][ T5456] loop1: detected capacity change from 0 to 32768 [ 253.754689][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 253.767849][ T5456] CPU: 1 PID: 5456 Comm: syz.1.231 Not tainted syzkaller #0 [ 253.775263][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 253.785417][ T5456] Call Trace: [ 253.788737][ T5456] [ 253.791690][ T5456] dump_stack_lvl+0x188/0x250 [ 253.796393][ T5456] ? show_regs_print_info+0x20/0x20 [ 253.801641][ T5456] ? load_image+0x410/0x410 [ 253.806182][ T5456] sysfs_create_dir_ns+0x26a/0x290 [ 253.811403][ T5456] ? sysfs_warn_dup+0xa0/0xa0 [ 253.816097][ T5456] ? do_raw_spin_unlock+0x11d/0x230 [ 253.821316][ T5456] kobject_add_internal+0x5ba/0xcd0 [ 253.826580][ T5456] kobject_init_and_add+0x128/0x190 [ 253.831801][ T5456] ? lockdep_softirqs_off+0x430/0x430 [ 253.837281][ T5456] ? kobject_add+0x230/0x230 [ 253.841891][ T5456] ? __init_swait_queue_head+0xa4/0x140 [ 253.847634][ T5456] gfs2_sys_fs_add+0x24f/0x4b0 [ 253.852430][ T5456] ? gfs2_recover_set+0x240/0x240 [ 253.857672][ T5456] ? snprintf+0xe5/0x140 [ 253.861938][ T5456] ? __free_pages+0x95/0x1a0 [ 253.866529][ T5456] ? vscnprintf+0x80/0x80 [ 253.871093][ T5456] gfs2_fill_super+0x11ed/0x1ea0 [ 253.876055][ T5456] ? gfs2_reconfigure+0xd80/0xd80 [ 253.881124][ T5456] ? sb_set_blocksize+0xa5/0xe0 [ 253.885964][ T5456] get_tree_bdev+0x3e6/0x610 [ 253.890567][ T5456] ? gfs2_reconfigure+0xd80/0xd80 [ 253.895613][ T5456] gfs2_get_tree+0x4d/0x1e0 [ 253.900110][ T5456] vfs_get_tree+0x88/0x270 [ 253.904513][ T5456] do_new_mount+0x247/0xa50 [ 253.909006][ T5456] __se_sys_mount+0x2e3/0x3d0 [ 253.913761][ T5456] ? __x64_sys_mount+0xc0/0xc0 [ 253.918527][ T5456] ? lockdep_hardirqs_on+0x94/0x140 [ 253.923836][ T5456] ? __x64_sys_mount+0x1c/0xc0 [ 253.928601][ T5456] do_syscall_64+0x4c/0xa0 [ 253.933090][ T5456] ? clear_bhb_loop+0x30/0x80 [ 253.937864][ T5456] ? clear_bhb_loop+0x30/0x80 [ 253.942630][ T5456] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 253.948511][ T5456] RIP: 0033:0x7f255354ea8a [ 253.952989][ T5456] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 253.973390][ T5456] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 253.985675][ T5456] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 253.994300][ T5456] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 254.002517][ T5456] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 254.010752][ T5456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 254.019565][ T5456] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 254.027542][ T5456] [ 254.032183][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 254.046080][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 254.334180][ T5458] loop1: detected capacity change from 0 to 32768 [ 254.412917][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 254.421111][ T5458] CPU: 0 PID: 5458 Comm: syz.1.232 Not tainted syzkaller #0 [ 254.428412][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 254.438471][ T5458] Call Trace: [ 254.441752][ T5458] [ 254.444696][ T5458] dump_stack_lvl+0x188/0x250 [ 254.449394][ T5458] ? show_regs_print_info+0x20/0x20 [ 254.454708][ T5458] ? load_image+0x410/0x410 [ 254.459863][ T5458] sysfs_create_dir_ns+0x26a/0x290 [ 254.465002][ T5458] ? sysfs_warn_dup+0xa0/0xa0 [ 254.469736][ T5458] ? do_raw_spin_unlock+0x11d/0x230 [ 254.475033][ T5458] kobject_add_internal+0x5ba/0xcd0 [ 254.480227][ T5458] kobject_init_and_add+0x128/0x190 [ 254.485412][ T5458] ? lockdep_softirqs_off+0x430/0x430 [ 254.490796][ T5458] ? kobject_add+0x230/0x230 [ 254.495401][ T5458] ? __init_swait_queue_head+0xa4/0x140 [ 254.500943][ T5458] gfs2_sys_fs_add+0x24f/0x4b0 [ 254.505700][ T5458] ? gfs2_recover_set+0x240/0x240 [ 254.511058][ T5458] ? snprintf+0xe5/0x140 [ 254.515293][ T5458] ? __free_pages+0x95/0x1a0 [ 254.519980][ T5458] ? vscnprintf+0x80/0x80 [ 254.524367][ T5458] gfs2_fill_super+0x11ed/0x1ea0 [ 254.529333][ T5458] ? gfs2_reconfigure+0xd80/0xd80 [ 254.534365][ T5458] ? sb_set_blocksize+0xa5/0xe0 [ 254.539297][ T5458] get_tree_bdev+0x3e6/0x610 [ 254.543969][ T5458] ? gfs2_reconfigure+0xd80/0xd80 [ 254.548982][ T5458] gfs2_get_tree+0x4d/0x1e0 [ 254.553471][ T5458] vfs_get_tree+0x88/0x270 [ 254.557885][ T5458] do_new_mount+0x247/0xa50 [ 254.562548][ T5458] __se_sys_mount+0x2e3/0x3d0 [ 254.567325][ T5458] ? __x64_sys_mount+0xc0/0xc0 [ 254.572104][ T5458] ? lockdep_hardirqs_on+0x94/0x140 [ 254.577480][ T5458] ? __x64_sys_mount+0x1c/0xc0 [ 254.582255][ T5458] do_syscall_64+0x4c/0xa0 [ 254.586774][ T5458] ? clear_bhb_loop+0x30/0x80 [ 254.591622][ T5458] ? clear_bhb_loop+0x30/0x80 [ 254.596309][ T5458] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 254.602220][ T5458] RIP: 0033:0x7f255354ea8a [ 254.606623][ T5458] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 254.626500][ T5458] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 254.634907][ T5458] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 254.642962][ T5458] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 254.650919][ T5458] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 254.659079][ T5458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 254.667316][ T5458] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 254.675751][ T5458] [ 254.679944][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 254.693307][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 255.001386][ T5460] loop1: detected capacity change from 0 to 32768 [ 255.053589][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 255.062110][ T5460] CPU: 1 PID: 5460 Comm: syz.1.233 Not tainted syzkaller #0 [ 255.069450][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 255.079620][ T5460] Call Trace: [ 255.083040][ T5460] [ 255.085976][ T5460] dump_stack_lvl+0x188/0x250 [ 255.090668][ T5460] ? show_regs_print_info+0x20/0x20 [ 255.095890][ T5460] ? load_image+0x410/0x410 [ 255.100438][ T5460] sysfs_create_dir_ns+0x26a/0x290 [ 255.105552][ T5460] ? sysfs_warn_dup+0xa0/0xa0 [ 255.110244][ T5460] ? do_raw_spin_unlock+0x11d/0x230 [ 255.115471][ T5460] kobject_add_internal+0x5ba/0xcd0 [ 255.120751][ T5460] kobject_init_and_add+0x128/0x190 [ 255.126042][ T5460] ? lockdep_softirqs_off+0x430/0x430 [ 255.131411][ T5460] ? kobject_add+0x230/0x230 [ 255.135995][ T5460] ? __init_swait_queue_head+0xa4/0x140 [ 255.141625][ T5460] gfs2_sys_fs_add+0x24f/0x4b0 [ 255.146448][ T5460] ? gfs2_recover_set+0x240/0x240 [ 255.151472][ T5460] ? snprintf+0xe5/0x140 [ 255.155796][ T5460] ? __free_pages+0x95/0x1a0 [ 255.160570][ T5460] ? vscnprintf+0x80/0x80 [ 255.165051][ T5460] gfs2_fill_super+0x11ed/0x1ea0 [ 255.170608][ T5460] ? gfs2_reconfigure+0xd80/0xd80 [ 255.175668][ T5460] ? sb_set_blocksize+0xa5/0xe0 [ 255.180515][ T5460] get_tree_bdev+0x3e6/0x610 [ 255.185190][ T5460] ? gfs2_reconfigure+0xd80/0xd80 [ 255.190324][ T5460] gfs2_get_tree+0x4d/0x1e0 [ 255.194836][ T5460] vfs_get_tree+0x88/0x270 [ 255.199244][ T5460] do_new_mount+0x247/0xa50 [ 255.203929][ T5460] __se_sys_mount+0x2e3/0x3d0 [ 255.208601][ T5460] ? __x64_sys_mount+0xc0/0xc0 [ 255.213359][ T5460] ? lockdep_hardirqs_on+0x94/0x140 [ 255.218920][ T5460] ? __x64_sys_mount+0x1c/0xc0 [ 255.223798][ T5460] do_syscall_64+0x4c/0xa0 [ 255.228298][ T5460] ? clear_bhb_loop+0x30/0x80 [ 255.233059][ T5460] ? clear_bhb_loop+0x30/0x80 [ 255.237731][ T5460] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 255.243625][ T5460] RIP: 0033:0x7f255354ea8a [ 255.248044][ T5460] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 255.268633][ T5460] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 255.277182][ T5460] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 255.285348][ T5460] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 255.293410][ T5460] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 255.301568][ T5460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 255.309538][ T5460] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 255.317747][ T5460] [ 255.322509][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 255.336172][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files 2026/11/08 10:35:37 executed programs: 219 [ 255.666848][ T5462] loop1: detected capacity change from 0 to 32768 [ 255.684849][ T1424] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.691371][ T1424] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.701964][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 255.709677][ T5462] CPU: 0 PID: 5462 Comm: syz.1.234 Not tainted syzkaller #0 [ 255.716977][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 255.727229][ T5462] Call Trace: [ 255.730547][ T5462] [ 255.733503][ T5462] dump_stack_lvl+0x188/0x250 [ 255.738294][ T5462] ? show_regs_print_info+0x20/0x20 [ 255.743718][ T5462] ? load_image+0x410/0x410 [ 255.748253][ T5462] sysfs_create_dir_ns+0x26a/0x290 [ 255.753427][ T5462] ? sysfs_warn_dup+0xa0/0xa0 [ 255.758213][ T5462] ? do_raw_spin_unlock+0x11d/0x230 [ 255.763524][ T5462] kobject_add_internal+0x5ba/0xcd0 [ 255.768757][ T5462] kobject_init_and_add+0x128/0x190 [ 255.774058][ T5462] ? lockdep_softirqs_off+0x430/0x430 [ 255.779426][ T5462] ? kobject_add+0x230/0x230 [ 255.784107][ T5462] ? __init_swait_queue_head+0xa4/0x140 [ 255.789647][ T5462] gfs2_sys_fs_add+0x24f/0x4b0 [ 255.794496][ T5462] ? gfs2_recover_set+0x240/0x240 [ 255.799597][ T5462] ? snprintf+0xe5/0x140 [ 255.803851][ T5462] ? __free_pages+0x95/0x1a0 [ 255.808457][ T5462] ? vscnprintf+0x80/0x80 [ 255.812876][ T5462] gfs2_fill_super+0x11ed/0x1ea0 [ 255.817815][ T5462] ? gfs2_reconfigure+0xd80/0xd80 [ 255.822842][ T5462] ? sb_set_blocksize+0xa5/0xe0 [ 255.827696][ T5462] get_tree_bdev+0x3e6/0x610 [ 255.832293][ T5462] ? gfs2_reconfigure+0xd80/0xd80 [ 255.837327][ T5462] gfs2_get_tree+0x4d/0x1e0 [ 255.841825][ T5462] vfs_get_tree+0x88/0x270 [ 255.846272][ T5462] do_new_mount+0x247/0xa50 [ 255.850886][ T5462] __se_sys_mount+0x2e3/0x3d0 [ 255.855593][ T5462] ? __x64_sys_mount+0xc0/0xc0 [ 255.860370][ T5462] ? lockdep_hardirqs_on+0x94/0x140 [ 255.865560][ T5462] ? __x64_sys_mount+0x1c/0xc0 [ 255.870318][ T5462] do_syscall_64+0x4c/0xa0 [ 255.874776][ T5462] ? clear_bhb_loop+0x30/0x80 [ 255.879523][ T5462] ? clear_bhb_loop+0x30/0x80 [ 255.884205][ T5462] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 255.890349][ T5462] RIP: 0033:0x7f255354ea8a [ 255.894888][ T5462] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 255.914866][ T5462] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 255.923277][ T5462] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 255.931260][ T5462] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 255.939225][ T5462] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 255.947197][ T5462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 255.955245][ T5462] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 255.963217][ T5462] [ 255.967858][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 255.981048][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 256.297553][ T5464] loop1: detected capacity change from 0 to 32768 [ 256.350286][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 256.357697][ T5464] CPU: 1 PID: 5464 Comm: syz.1.235 Not tainted syzkaller #0 [ 256.365090][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 256.375244][ T5464] Call Trace: [ 256.378872][ T5464] [ 256.381814][ T5464] dump_stack_lvl+0x188/0x250 [ 256.386508][ T5464] ? show_regs_print_info+0x20/0x20 [ 256.391824][ T5464] ? load_image+0x410/0x410 [ 256.396469][ T5464] sysfs_create_dir_ns+0x26a/0x290 [ 256.401602][ T5464] ? sysfs_warn_dup+0xa0/0xa0 [ 256.406350][ T5464] ? do_raw_spin_unlock+0x11d/0x230 [ 256.411664][ T5464] kobject_add_internal+0x5ba/0xcd0 [ 256.416972][ T5464] kobject_init_and_add+0x128/0x190 [ 256.422197][ T5464] ? lockdep_softirqs_off+0x430/0x430 [ 256.427678][ T5464] ? kobject_add+0x230/0x230 [ 256.432268][ T5464] ? __init_swait_queue_head+0xa4/0x140 [ 256.437983][ T5464] gfs2_sys_fs_add+0x24f/0x4b0 [ 256.442747][ T5464] ? gfs2_recover_set+0x240/0x240 [ 256.447775][ T5464] ? snprintf+0xe5/0x140 [ 256.452021][ T5464] ? __free_pages+0x95/0x1a0 [ 256.456606][ T5464] ? vscnprintf+0x80/0x80 [ 256.460931][ T5464] gfs2_fill_super+0x11ed/0x1ea0 [ 256.465879][ T5464] ? gfs2_reconfigure+0xd80/0xd80 [ 256.470915][ T5464] ? sb_set_blocksize+0xa5/0xe0 [ 256.475845][ T5464] get_tree_bdev+0x3e6/0x610 [ 256.480424][ T5464] ? gfs2_reconfigure+0xd80/0xd80 [ 256.485527][ T5464] gfs2_get_tree+0x4d/0x1e0 [ 256.490035][ T5464] vfs_get_tree+0x88/0x270 [ 256.494529][ T5464] do_new_mount+0x247/0xa50 [ 256.499131][ T5464] __se_sys_mount+0x2e3/0x3d0 [ 256.504003][ T5464] ? __x64_sys_mount+0xc0/0xc0 [ 256.508791][ T5464] ? lockdep_hardirqs_on+0x94/0x140 [ 256.514092][ T5464] ? __x64_sys_mount+0x1c/0xc0 [ 256.518855][ T5464] do_syscall_64+0x4c/0xa0 [ 256.523261][ T5464] ? clear_bhb_loop+0x30/0x80 [ 256.528064][ T5464] ? clear_bhb_loop+0x30/0x80 [ 256.532876][ T5464] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 256.538791][ T5464] RIP: 0033:0x7f255354ea8a [ 256.543572][ T5464] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 256.563456][ T5464] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 256.572043][ T5464] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 256.580108][ T5464] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 256.588124][ T5464] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 256.596467][ T5464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 256.604436][ T5464] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 256.612449][ T5464] [ 256.617012][ T5464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 256.630789][ T5464] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 256.936226][ T5466] loop1: detected capacity change from 0 to 32768 [ 256.992211][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 256.999939][ T5466] CPU: 0 PID: 5466 Comm: syz.1.236 Not tainted syzkaller #0 [ 257.007250][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 257.017409][ T5466] Call Trace: [ 257.020737][ T5466] [ 257.024027][ T5466] dump_stack_lvl+0x188/0x250 [ 257.028719][ T5466] ? show_regs_print_info+0x20/0x20 [ 257.033938][ T5466] ? load_image+0x410/0x410 [ 257.038467][ T5466] sysfs_create_dir_ns+0x26a/0x290 [ 257.043695][ T5466] ? sysfs_warn_dup+0xa0/0xa0 [ 257.048559][ T5466] ? do_raw_spin_unlock+0x11d/0x230 [ 257.053774][ T5466] kobject_add_internal+0x5ba/0xcd0 [ 257.058994][ T5466] kobject_init_and_add+0x128/0x190 [ 257.064211][ T5466] ? lockdep_softirqs_off+0x430/0x430 [ 257.069605][ T5466] ? kobject_add+0x230/0x230 [ 257.074296][ T5466] ? __init_swait_queue_head+0xa4/0x140 [ 257.079849][ T5466] gfs2_sys_fs_add+0x24f/0x4b0 [ 257.084631][ T5466] ? gfs2_recover_set+0x240/0x240 [ 257.089703][ T5466] ? snprintf+0xe5/0x140 [ 257.093960][ T5466] ? __free_pages+0x95/0x1a0 [ 257.098537][ T5466] ? vscnprintf+0x80/0x80 [ 257.102925][ T5466] gfs2_fill_super+0x11ed/0x1ea0 [ 257.107941][ T5466] ? gfs2_reconfigure+0xd80/0xd80 [ 257.113456][ T5466] ? sb_set_blocksize+0xa5/0xe0 [ 257.118323][ T5466] get_tree_bdev+0x3e6/0x610 [ 257.122905][ T5466] ? gfs2_reconfigure+0xd80/0xd80 [ 257.127928][ T5466] gfs2_get_tree+0x4d/0x1e0 [ 257.132782][ T5466] vfs_get_tree+0x88/0x270 [ 257.137207][ T5466] do_new_mount+0x247/0xa50 [ 257.141841][ T5466] __se_sys_mount+0x2e3/0x3d0 [ 257.146528][ T5466] ? __x64_sys_mount+0xc0/0xc0 [ 257.151318][ T5466] ? lockdep_hardirqs_on+0x94/0x140 [ 257.156510][ T5466] ? __x64_sys_mount+0x1c/0xc0 [ 257.161455][ T5466] do_syscall_64+0x4c/0xa0 [ 257.165858][ T5466] ? clear_bhb_loop+0x30/0x80 [ 257.170633][ T5466] ? clear_bhb_loop+0x30/0x80 [ 257.175925][ T5466] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 257.181815][ T5466] RIP: 0033:0x7f255354ea8a [ 257.186224][ T5466] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 257.205858][ T5466] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 257.214266][ T5466] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 257.222245][ T5466] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 257.230224][ T5466] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 257.238300][ T5466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 257.246360][ T5466] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 257.254683][ T5466] [ 257.259349][ T5466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 257.272790][ T5466] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 257.580842][ T5468] loop1: detected capacity change from 0 to 32768 [ 257.623020][ T5468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 257.630668][ T5468] CPU: 0 PID: 5468 Comm: syz.1.237 Not tainted syzkaller #0 [ 257.637966][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 257.648294][ T5468] Call Trace: [ 257.651960][ T5468] [ 257.654911][ T5468] dump_stack_lvl+0x188/0x250 [ 257.659613][ T5468] ? show_regs_print_info+0x20/0x20 [ 257.664832][ T5468] ? load_image+0x410/0x410 [ 257.669451][ T5468] sysfs_create_dir_ns+0x26a/0x290 [ 257.674707][ T5468] ? sysfs_warn_dup+0xa0/0xa0 [ 257.679401][ T5468] ? do_raw_spin_unlock+0x11d/0x230 [ 257.684800][ T5468] kobject_add_internal+0x5ba/0xcd0 [ 257.690021][ T5468] kobject_init_and_add+0x128/0x190 [ 257.695408][ T5468] ? lockdep_softirqs_off+0x430/0x430 [ 257.700984][ T5468] ? kobject_add+0x230/0x230 [ 257.705596][ T5468] ? __init_swait_queue_head+0xa4/0x140 [ 257.711168][ T5468] gfs2_sys_fs_add+0x24f/0x4b0 [ 257.716057][ T5468] ? gfs2_recover_set+0x240/0x240 [ 257.721072][ T5468] ? snprintf+0xe5/0x140 [ 257.725315][ T5468] ? __free_pages+0x95/0x1a0 [ 257.729909][ T5468] ? vscnprintf+0x80/0x80 [ 257.734247][ T5468] gfs2_fill_super+0x11ed/0x1ea0 [ 257.739207][ T5468] ? gfs2_reconfigure+0xd80/0xd80 [ 257.744255][ T5468] ? sb_set_blocksize+0xa5/0xe0 [ 257.749171][ T5468] get_tree_bdev+0x3e6/0x610 [ 257.754324][ T5468] ? gfs2_reconfigure+0xd80/0xd80 [ 257.759439][ T5468] gfs2_get_tree+0x4d/0x1e0 [ 257.763958][ T5468] vfs_get_tree+0x88/0x270 [ 257.768366][ T5468] do_new_mount+0x247/0xa50 [ 257.772867][ T5468] __se_sys_mount+0x2e3/0x3d0 [ 257.777554][ T5468] ? __x64_sys_mount+0xc0/0xc0 [ 257.782328][ T5468] ? lockdep_hardirqs_on+0x94/0x140 [ 257.787515][ T5468] ? __x64_sys_mount+0x1c/0xc0 [ 257.792284][ T5468] do_syscall_64+0x4c/0xa0 [ 257.796696][ T5468] ? clear_bhb_loop+0x30/0x80 [ 257.801360][ T5468] ? clear_bhb_loop+0x30/0x80 [ 257.806053][ T5468] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 257.812292][ T5468] RIP: 0033:0x7f255354ea8a [ 257.816715][ T5468] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 257.836542][ T5468] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 257.844957][ T5468] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 257.852918][ T5468] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 257.860879][ T5468] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 257.868836][ T5468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 257.876809][ T5468] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 257.884791][ T5468] [ 257.888984][ T5468] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 257.902348][ T5468] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 258.231776][ T5470] loop1: detected capacity change from 0 to 32768 [ 258.311123][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 258.320540][ T5470] CPU: 1 PID: 5470 Comm: syz.1.238 Not tainted syzkaller #0 [ 258.327942][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 258.338007][ T5470] Call Trace: [ 258.341313][ T5470] [ 258.344261][ T5470] dump_stack_lvl+0x188/0x250 [ 258.348969][ T5470] ? show_regs_print_info+0x20/0x20 [ 258.354182][ T5470] ? load_image+0x410/0x410 [ 258.358717][ T5470] sysfs_create_dir_ns+0x26a/0x290 [ 258.363839][ T5470] ? sysfs_warn_dup+0xa0/0xa0 [ 258.368794][ T5470] ? do_raw_spin_unlock+0x11d/0x230 [ 258.374129][ T5470] kobject_add_internal+0x5ba/0xcd0 [ 258.379536][ T5470] kobject_init_and_add+0x128/0x190 [ 258.385110][ T5470] ? lockdep_softirqs_off+0x430/0x430 [ 258.390606][ T5470] ? kobject_add+0x230/0x230 [ 258.395210][ T5470] ? __init_swait_queue_head+0xa4/0x140 [ 258.400755][ T5470] gfs2_sys_fs_add+0x24f/0x4b0 [ 258.405620][ T5470] ? gfs2_recover_set+0x240/0x240 [ 258.410662][ T5470] ? snprintf+0xe5/0x140 [ 258.415185][ T5470] ? __free_pages+0x95/0x1a0 [ 258.419870][ T5470] ? vscnprintf+0x80/0x80 [ 258.424213][ T5470] gfs2_fill_super+0x11ed/0x1ea0 [ 258.429558][ T5470] ? gfs2_reconfigure+0xd80/0xd80 [ 258.435147][ T5470] ? sb_set_blocksize+0xa5/0xe0 [ 258.440032][ T5470] get_tree_bdev+0x3e6/0x610 [ 258.444630][ T5470] ? gfs2_reconfigure+0xd80/0xd80 [ 258.449677][ T5470] gfs2_get_tree+0x4d/0x1e0 [ 258.454317][ T5470] vfs_get_tree+0x88/0x270 [ 258.458925][ T5470] do_new_mount+0x247/0xa50 [ 258.463955][ T5470] __se_sys_mount+0x2e3/0x3d0 [ 258.468670][ T5470] ? __x64_sys_mount+0xc0/0xc0 [ 258.473445][ T5470] ? lockdep_hardirqs_on+0x94/0x140 [ 258.478655][ T5470] ? __x64_sys_mount+0x1c/0xc0 [ 258.483421][ T5470] do_syscall_64+0x4c/0xa0 [ 258.487835][ T5470] ? clear_bhb_loop+0x30/0x80 [ 258.492507][ T5470] ? clear_bhb_loop+0x30/0x80 [ 258.497180][ T5470] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 258.503371][ T5470] RIP: 0033:0x7f255354ea8a [ 258.507775][ T5470] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 258.527700][ T5470] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 258.536115][ T5470] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 258.544430][ T5470] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 258.552707][ T5470] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 258.561411][ T5470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 258.569638][ T5470] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 258.577612][ T5470] [ 258.582191][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 258.595738][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 258.913692][ T5472] loop1: detected capacity change from 0 to 32768 [ 258.923535][ T5472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 258.932879][ T5472] CPU: 1 PID: 5472 Comm: syz.1.239 Not tainted syzkaller #0 [ 258.940204][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 258.950453][ T5472] Call Trace: [ 258.953747][ T5472] [ 258.956692][ T5472] dump_stack_lvl+0x188/0x250 [ 258.961388][ T5472] ? show_regs_print_info+0x20/0x20 [ 258.966605][ T5472] ? load_image+0x410/0x410 [ 258.971122][ T5472] sysfs_create_dir_ns+0x26a/0x290 [ 258.976235][ T5472] ? sysfs_warn_dup+0xa0/0xa0 [ 258.980909][ T5472] ? do_raw_spin_unlock+0x11d/0x230 [ 258.986207][ T5472] kobject_add_internal+0x5ba/0xcd0 [ 258.991507][ T5472] kobject_init_and_add+0x128/0x190 [ 258.996720][ T5472] ? lockdep_softirqs_off+0x430/0x430 [ 259.002309][ T5472] ? kobject_add+0x230/0x230 [ 259.006927][ T5472] ? __init_swait_queue_head+0xa4/0x140 [ 259.012462][ T5472] gfs2_sys_fs_add+0x24f/0x4b0 [ 259.017227][ T5472] ? gfs2_recover_set+0x240/0x240 [ 259.022242][ T5472] ? snprintf+0xe5/0x140 [ 259.026485][ T5472] ? __free_pages+0x95/0x1a0 [ 259.031089][ T5472] ? vscnprintf+0x80/0x80 [ 259.035430][ T5472] gfs2_fill_super+0x11ed/0x1ea0 [ 259.040356][ T5472] ? gfs2_reconfigure+0xd80/0xd80 [ 259.045468][ T5472] ? sb_set_blocksize+0xa5/0xe0 [ 259.050316][ T5472] get_tree_bdev+0x3e6/0x610 [ 259.055373][ T5472] ? gfs2_reconfigure+0xd80/0xd80 [ 259.060402][ T5472] gfs2_get_tree+0x4d/0x1e0 [ 259.065083][ T5472] vfs_get_tree+0x88/0x270 [ 259.069510][ T5472] do_new_mount+0x247/0xa50 [ 259.074036][ T5472] __se_sys_mount+0x2e3/0x3d0 [ 259.078775][ T5472] ? __x64_sys_mount+0xc0/0xc0 [ 259.083560][ T5472] ? lockdep_hardirqs_on+0x94/0x140 [ 259.088885][ T5472] ? __x64_sys_mount+0x1c/0xc0 [ 259.094083][ T5472] do_syscall_64+0x4c/0xa0 [ 259.098894][ T5472] ? clear_bhb_loop+0x30/0x80 [ 259.103584][ T5472] ? clear_bhb_loop+0x30/0x80 [ 259.108468][ T5472] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 259.114498][ T5472] RIP: 0033:0x7f255354ea8a [ 259.119131][ T5472] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 259.138902][ T5472] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 259.147424][ T5472] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 259.155517][ T5472] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 259.163661][ T5472] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 259.171800][ T5472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 259.179771][ T5472] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 259.187743][ T5472] [ 259.197953][ T5472] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 259.211800][ T5472] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 259.530938][ T5474] loop1: detected capacity change from 0 to 32768 [ 259.632554][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 259.640205][ T5474] CPU: 1 PID: 5474 Comm: syz.1.240 Not tainted syzkaller #0 [ 259.647518][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 259.657610][ T5474] Call Trace: [ 259.660902][ T5474] [ 259.663963][ T5474] dump_stack_lvl+0x188/0x250 [ 259.668761][ T5474] ? show_regs_print_info+0x20/0x20 [ 259.673985][ T5474] ? load_image+0x410/0x410 [ 259.678618][ T5474] sysfs_create_dir_ns+0x26a/0x290 [ 259.683847][ T5474] ? sysfs_warn_dup+0xa0/0xa0 [ 259.688556][ T5474] ? do_raw_spin_unlock+0x11d/0x230 [ 259.693777][ T5474] kobject_add_internal+0x5ba/0xcd0 [ 259.699000][ T5474] kobject_init_and_add+0x128/0x190 [ 259.704222][ T5474] ? lockdep_softirqs_off+0x430/0x430 [ 259.709917][ T5474] ? kobject_add+0x230/0x230 [ 259.714672][ T5474] ? __init_swait_queue_head+0xa4/0x140 [ 259.720282][ T5474] gfs2_sys_fs_add+0x24f/0x4b0 [ 259.725080][ T5474] ? gfs2_recover_set+0x240/0x240 [ 259.730113][ T5474] ? snprintf+0xe5/0x140 [ 259.734374][ T5474] ? __free_pages+0x95/0x1a0 [ 259.738953][ T5474] ? vscnprintf+0x80/0x80 [ 259.743273][ T5474] gfs2_fill_super+0x11ed/0x1ea0 [ 259.748208][ T5474] ? gfs2_reconfigure+0xd80/0xd80 [ 259.753510][ T5474] ? sb_set_blocksize+0xa5/0xe0 [ 259.758476][ T5474] get_tree_bdev+0x3e6/0x610 [ 259.763079][ T5474] ? gfs2_reconfigure+0xd80/0xd80 [ 259.768203][ T5474] gfs2_get_tree+0x4d/0x1e0 [ 259.772838][ T5474] vfs_get_tree+0x88/0x270 [ 259.777266][ T5474] do_new_mount+0x247/0xa50 [ 259.781765][ T5474] __se_sys_mount+0x2e3/0x3d0 [ 259.786703][ T5474] ? __x64_sys_mount+0xc0/0xc0 [ 259.791488][ T5474] ? lockdep_hardirqs_on+0x94/0x140 [ 259.796771][ T5474] ? __x64_sys_mount+0x1c/0xc0 [ 259.801527][ T5474] do_syscall_64+0x4c/0xa0 [ 259.805944][ T5474] ? clear_bhb_loop+0x30/0x80 [ 259.810625][ T5474] ? clear_bhb_loop+0x30/0x80 [ 259.815461][ T5474] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 259.821355][ T5474] RIP: 0033:0x7f255354ea8a [ 259.825853][ T5474] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 259.846347][ T5474] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 259.854769][ T5474] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 259.862745][ T5474] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 259.870966][ T5474] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 259.879028][ T5474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 259.887362][ T5474] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 259.895342][ T5474] [ 259.899947][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 259.913611][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 260.243972][ T5476] loop1: detected capacity change from 0 to 32768 [ 260.300313][ T5476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 260.307943][ T5476] CPU: 1 PID: 5476 Comm: syz.1.241 Not tainted syzkaller #0 [ 260.315255][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 260.325591][ T5476] Call Trace: [ 260.328885][ T5476] [ 260.332030][ T5476] dump_stack_lvl+0x188/0x250 [ 260.336906][ T5476] ? show_regs_print_info+0x20/0x20 [ 260.343118][ T5476] ? load_image+0x410/0x410 [ 260.347651][ T5476] sysfs_create_dir_ns+0x26a/0x290 [ 260.352879][ T5476] ? sysfs_warn_dup+0xa0/0xa0 [ 260.357575][ T5476] ? do_raw_spin_unlock+0x11d/0x230 [ 260.362886][ T5476] kobject_add_internal+0x5ba/0xcd0 [ 260.368387][ T5476] kobject_init_and_add+0x128/0x190 [ 260.373734][ T5476] ? lockdep_softirqs_off+0x430/0x430 [ 260.379289][ T5476] ? kobject_add+0x230/0x230 [ 260.383895][ T5476] ? __init_swait_queue_head+0xa4/0x140 [ 260.389703][ T5476] gfs2_sys_fs_add+0x24f/0x4b0 [ 260.394469][ T5476] ? gfs2_recover_set+0x240/0x240 [ 260.399481][ T5476] ? snprintf+0xe5/0x140 [ 260.403734][ T5476] ? __free_pages+0x95/0x1a0 [ 260.408320][ T5476] ? vscnprintf+0x80/0x80 [ 260.412650][ T5476] gfs2_fill_super+0x11ed/0x1ea0 [ 260.417685][ T5476] ? gfs2_reconfigure+0xd80/0xd80 [ 260.422703][ T5476] ? sb_set_blocksize+0xa5/0xe0 [ 260.427739][ T5476] get_tree_bdev+0x3e6/0x610 [ 260.432408][ T5476] ? gfs2_reconfigure+0xd80/0xd80 [ 260.437940][ T5476] gfs2_get_tree+0x4d/0x1e0 [ 260.442427][ T5476] vfs_get_tree+0x88/0x270 [ 260.446841][ T5476] do_new_mount+0x247/0xa50 [ 260.451333][ T5476] __se_sys_mount+0x2e3/0x3d0 [ 260.456215][ T5476] ? __x64_sys_mount+0xc0/0xc0 [ 260.460997][ T5476] ? lockdep_hardirqs_on+0x94/0x140 [ 260.466216][ T5476] ? __x64_sys_mount+0x1c/0xc0 [ 260.470977][ T5476] do_syscall_64+0x4c/0xa0 [ 260.475393][ T5476] ? clear_bhb_loop+0x30/0x80 [ 260.480158][ T5476] ? clear_bhb_loop+0x30/0x80 [ 260.484866][ T5476] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 260.490779][ T5476] RIP: 0033:0x7f255354ea8a [ 260.495212][ T5476] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 260.514997][ T5476] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 260.523644][ T5476] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 260.531621][ T5476] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 260.539795][ T5476] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 260.547911][ T5476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 260.555976][ T5476] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 260.564044][ T5476] [ 260.569081][ T5476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 260.582950][ T5476] gfs2: fsid=syz:syz: error -17 adding sysfs files 2026/11/08 10:35:42 executed programs: 227 [ 260.908958][ T5478] loop1: detected capacity change from 0 to 32768 [ 260.970306][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 260.977723][ T5478] CPU: 0 PID: 5478 Comm: syz.1.242 Not tainted syzkaller #0 [ 260.985015][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 260.995081][ T5478] Call Trace: [ 260.998375][ T5478] [ 261.001323][ T5478] dump_stack_lvl+0x188/0x250 [ 261.006019][ T5478] ? show_regs_print_info+0x20/0x20 [ 261.011272][ T5478] ? load_image+0x410/0x410 [ 261.015803][ T5478] sysfs_create_dir_ns+0x26a/0x290 [ 261.021023][ T5478] ? sysfs_warn_dup+0xa0/0xa0 [ 261.025718][ T5478] ? do_raw_spin_unlock+0x11d/0x230 [ 261.030936][ T5478] kobject_add_internal+0x5ba/0xcd0 [ 261.036152][ T5478] kobject_init_and_add+0x128/0x190 [ 261.041458][ T5478] ? lockdep_softirqs_off+0x430/0x430 [ 261.046852][ T5478] ? kobject_add+0x230/0x230 [ 261.051564][ T5478] ? __init_swait_queue_head+0xa4/0x140 [ 261.057215][ T5478] gfs2_sys_fs_add+0x24f/0x4b0 [ 261.061994][ T5478] ? gfs2_recover_set+0x240/0x240 [ 261.067009][ T5478] ? snprintf+0xe5/0x140 [ 261.071327][ T5478] ? __free_pages+0x95/0x1a0 [ 261.075954][ T5478] ? vscnprintf+0x80/0x80 [ 261.080314][ T5478] gfs2_fill_super+0x11ed/0x1ea0 [ 261.085278][ T5478] ? gfs2_reconfigure+0xd80/0xd80 [ 261.090315][ T5478] ? sb_set_blocksize+0xa5/0xe0 [ 261.095176][ T5478] get_tree_bdev+0x3e6/0x610 [ 261.099765][ T5478] ? gfs2_reconfigure+0xd80/0xd80 [ 261.104791][ T5478] gfs2_get_tree+0x4d/0x1e0 [ 261.109288][ T5478] vfs_get_tree+0x88/0x270 [ 261.113722][ T5478] do_new_mount+0x247/0xa50 [ 261.118240][ T5478] __se_sys_mount+0x2e3/0x3d0 [ 261.123253][ T5478] ? __x64_sys_mount+0xc0/0xc0 [ 261.128022][ T5478] ? lockdep_hardirqs_on+0x94/0x140 [ 261.133228][ T5478] ? __x64_sys_mount+0x1c/0xc0 [ 261.137980][ T5478] do_syscall_64+0x4c/0xa0 [ 261.142399][ T5478] ? clear_bhb_loop+0x30/0x80 [ 261.147066][ T5478] ? clear_bhb_loop+0x30/0x80 [ 261.151735][ T5478] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 261.157710][ T5478] RIP: 0033:0x7f255354ea8a [ 261.162119][ T5478] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 261.181977][ T5478] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 261.190390][ T5478] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 261.198587][ T5478] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 261.206581][ T5478] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 261.214640][ T5478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 261.222694][ T5478] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 261.230664][ T5478] [ 261.234681][ T5478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 261.247848][ T5478] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 261.543832][ T5480] loop1: detected capacity change from 0 to 32768 [ 261.608581][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 261.616048][ T5480] CPU: 0 PID: 5480 Comm: syz.1.243 Not tainted syzkaller #0 [ 261.623716][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 261.634310][ T5480] Call Trace: [ 261.638139][ T5480] [ 261.641173][ T5480] dump_stack_lvl+0x188/0x250 [ 261.646159][ T5480] ? show_regs_print_info+0x20/0x20 [ 261.651384][ T5480] ? load_image+0x410/0x410 [ 261.656007][ T5480] sysfs_create_dir_ns+0x26a/0x290 [ 261.661209][ T5480] ? sysfs_warn_dup+0xa0/0xa0 [ 261.665931][ T5480] ? do_raw_spin_unlock+0x11d/0x230 [ 261.671154][ T5480] kobject_add_internal+0x5ba/0xcd0 [ 261.676382][ T5480] kobject_init_and_add+0x128/0x190 [ 261.681596][ T5480] ? lockdep_softirqs_off+0x430/0x430 [ 261.687005][ T5480] ? kobject_add+0x230/0x230 [ 261.691680][ T5480] ? __init_swait_queue_head+0xa4/0x140 [ 261.697314][ T5480] gfs2_sys_fs_add+0x24f/0x4b0 [ 261.702102][ T5480] ? gfs2_recover_set+0x240/0x240 [ 261.707122][ T5480] ? snprintf+0xe5/0x140 [ 261.711361][ T5480] ? __free_pages+0x95/0x1a0 [ 261.716042][ T5480] ? vscnprintf+0x80/0x80 [ 261.720399][ T5480] gfs2_fill_super+0x11ed/0x1ea0 [ 261.725630][ T5480] ? gfs2_reconfigure+0xd80/0xd80 [ 261.730662][ T5480] ? sb_set_blocksize+0xa5/0xe0 [ 261.735935][ T5480] get_tree_bdev+0x3e6/0x610 [ 261.740619][ T5480] ? gfs2_reconfigure+0xd80/0xd80 [ 261.745736][ T5480] gfs2_get_tree+0x4d/0x1e0 [ 261.750238][ T5480] vfs_get_tree+0x88/0x270 [ 261.754795][ T5480] do_new_mount+0x247/0xa50 [ 261.759310][ T5480] __se_sys_mount+0x2e3/0x3d0 [ 261.764028][ T5480] ? __x64_sys_mount+0xc0/0xc0 [ 261.768976][ T5480] ? lockdep_hardirqs_on+0x94/0x140 [ 261.774162][ T5480] ? __x64_sys_mount+0x1c/0xc0 [ 261.779175][ T5480] do_syscall_64+0x4c/0xa0 [ 261.783633][ T5480] ? clear_bhb_loop+0x30/0x80 [ 261.788301][ T5480] ? clear_bhb_loop+0x30/0x80 [ 261.792967][ T5480] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 261.798851][ T5480] RIP: 0033:0x7f255354ea8a [ 261.803260][ T5480] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 261.822859][ T5480] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 261.831593][ T5480] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 261.839818][ T5480] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 261.847805][ T5480] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 261.855774][ T5480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 261.863807][ T5480] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 261.871889][ T5480] [ 261.875795][ T5480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 261.889158][ T5480] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 262.069508][ T27] INFO: task kworker/1:15:4268 blocked for more than 143 seconds. [ 262.077777][ T27] Not tainted syzkaller #0 [ 262.085311][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 262.095219][ T27] task:kworker/1:15 state:D stack:23936 pid: 4268 ppid: 2 flags:0x00004000 [ 262.107156][ T27] Workqueue: gfs_recovery gfs2_recover_func [ 262.113490][ T27] Call Trace: [ 262.116870][ T27] [ 262.122586][ T27] __schedule+0x11c3/0x4350 [ 262.127346][ T27] ? __lock_acquire+0x7d40/0x7d40 [ 262.132754][ T27] ? release_firmware_map_entry+0x190/0x190 [ 262.138877][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 262.147427][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 262.153726][ T27] ? lockdep_hardirqs_on+0x94/0x140 [ 262.161571][ T27] schedule+0x11b/0x1e0 [ 262.165942][ T27] io_schedule+0x7c/0xd0 [ 262.170564][ T27] wait_on_page_bit_common+0x8bf/0xeb0 [ 262.176177][ T27] ? wait_on_page_bit+0x50/0x50 [ 262.183483][ T27] ? rcu_lock_release+0x20/0x20 [ 262.188593][ T27] ? blk_put_request+0x20/0x20 [ 262.193870][ T27] ? __get_log_header+0x1de/0x500 [ 262.199031][ T27] gfs2_jhead_process_page+0x252/0xbf0 [ 262.207762][ T27] ? gfs2_end_log_read+0x500/0x500 [ 262.213253][ T27] ? submit_bio+0x2c6/0x550 [ 262.217867][ T27] ? submit_bio_noacct+0x800/0x800 [ 262.225835][ T27] ? bio_add_page+0x2d6/0x460 [ 262.230871][ T27] gfs2_find_jhead+0xdaf/0xf00 [ 262.236283][ T27] gfs2_recover_func+0x73a/0x1cd0 [ 262.243821][ T27] ? lockdep_lock+0x1f0/0x1f0 [ 262.249307][ T27] ? add_lock_to_list+0x18d/0x280 [ 262.254480][ T27] ? __lock_acquire+0x35cf/0x7d40 [ 262.256258][ T5482] loop1: detected capacity change from 0 to 32768 [ 262.261589][ T27] ? __get_log_header+0x500/0x500 [ 262.271748][ T27] ? __lock_acquire+0x13b3/0x7d40 [ 262.276912][ T27] ? verify_lock_unused+0x140/0x140 [ 262.282362][ T27] ? lockdep_hardirqs_on_prepare+0x448/0x7c0 [ 262.288492][ T27] ? _raw_spin_unlock+0x40/0x40 [ 262.290573][ T5482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 262.293513][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 262.301231][ T5482] CPU: 1 PID: 5482 Comm: syz.1.244 Not tainted syzkaller #0 [ 262.308440][ T27] process_one_work+0x867/0xff0 [ 262.313436][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 262.313451][ T5482] Call Trace: [ 262.313459][ T5482] [ 262.313465][ T5482] dump_stack_lvl+0x188/0x250 [ 262.313490][ T5482] ? show_regs_print_info+0x20/0x20 [ 262.313508][ T5482] ? load_image+0x410/0x410 [ 262.313535][ T5482] sysfs_create_dir_ns+0x26a/0x290 [ 262.313557][ T5482] ? sysfs_warn_dup+0xa0/0xa0 [ 262.313577][ T5482] ? do_raw_spin_unlock+0x11d/0x230 [ 262.313598][ T5482] kobject_add_internal+0x5ba/0xcd0 [ 262.313620][ T5482] kobject_init_and_add+0x128/0x190 [ 262.313637][ T5482] ? lockdep_softirqs_off+0x430/0x430 [ 262.322300][ T27] ? worker_detach_from_pool+0x240/0x240 [ 262.328710][ T5482] ? kobject_add+0x230/0x230 [ 262.332045][ T27] ? lockdep_hardirqs_off+0x70/0x100 [ 262.334946][ T5482] ? __init_swait_queue_head+0xa4/0x140 [ 262.334973][ T5482] gfs2_sys_fs_add+0x24f/0x4b0 [ 262.341648][ T27] ? _raw_spin_lock_irq+0xb7/0xf0 [ 262.344815][ T5482] ? gfs2_recover_set+0x240/0x240 [ 262.349354][ T27] ? _raw_spin_lock_irqsave+0x100/0x100 [ 262.354386][ T5482] ? snprintf+0xe5/0x140 [ 262.354406][ T5482] ? __free_pages+0x95/0x1a0 [ 262.354428][ T5482] ? vscnprintf+0x80/0x80 [ 262.359141][ T27] ? wq_worker_running+0x97/0x170 [ 262.364283][ T5482] gfs2_fill_super+0x11ed/0x1ea0 [ 262.364316][ T5482] ? gfs2_reconfigure+0xd80/0xd80 [ 262.364346][ T5482] ? sb_set_blocksize+0xa5/0xe0 [ 262.364367][ T5482] get_tree_bdev+0x3e6/0x610 [ 262.364388][ T5482] ? gfs2_reconfigure+0xd80/0xd80 [ 262.371581][ T27] worker_thread+0xad7/0x12a0 [ 262.374733][ T5482] gfs2_get_tree+0x4d/0x1e0 [ 262.380165][ T27] kthread+0x42e/0x520 [ 262.385688][ T5482] vfs_get_tree+0x88/0x270 [ 262.385712][ T5482] do_new_mount+0x247/0xa50 [ 262.392346][ T27] ? rcu_lock_release+0x20/0x20 [ 262.395662][ T5482] __se_sys_mount+0x2e3/0x3d0 [ 262.403913][ T27] ? kthread_blkcg+0xd0/0xd0 [ 262.405926][ T5482] ? __x64_sys_mount+0xc0/0xc0 [ 262.413410][ T27] ret_from_fork+0x1f/0x30 [ 262.416037][ T5482] ? lockdep_hardirqs_on+0x94/0x140 [ 262.421936][ T27] [ 262.425837][ T5482] ? __x64_sys_mount+0x1c/0xc0 [ 262.425867][ T5482] do_syscall_64+0x4c/0xa0 [ 262.433473][ T27] INFO: task syz.0.17:4999 blocked for more than 143 seconds. [ 262.434759][ T5482] ? clear_bhb_loop+0x30/0x80 [ 262.440045][ T27] Not tainted syzkaller #0 [ 262.444683][ T5482] ? clear_bhb_loop+0x30/0x80 [ 262.444708][ T5482] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 262.452332][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 262.454639][ T5482] RIP: 0033:0x7f255354ea8a [ 262.459630][ T27] task:syz.0.17 state:D [ 262.464498][ T5482] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 262.464521][ T5482] RSP: 002b:00007f2552baee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 262.464541][ T5482] RAX: ffffffffffffffda RBX: 00007f2552baeee0 RCX: 00007f255354ea8a [ 262.464553][ T5482] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f2552baeea0 [ 262.471993][ T27] stack:24464 pid: 4999 ppid: 4797 flags:0x00004004 [ 262.473715][ T5482] RBP: 0000200000037f40 R08: 00007f2552baeee0 R09: 0000000000000000 [ 262.477763][ T27] Call Trace: [ 262.482153][ T5482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 262.482166][ T5482] R13: 00007f2552baeea0 R14: 0000000000037f8e R15: 0000200000000040 [ 262.482195][ T5482] [ 262.491212][ T5482] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 262.494925][ T27] [ 262.496819][ T5482] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 262.501360][ T27] __schedule+0x11c3/0x4350 [ 262.683544][ T27] ? preempt_schedule+0xbc/0xd0 [ 262.688756][ T27] ? lock_chain_count+0x20/0x20 [ 262.694045][ T27] ? release_firmware_map_entry+0x190/0x190 [ 262.700077][ T27] ? _raw_spin_unlock_irqrestore+0x10d/0x120 [ 262.706104][ T27] schedule+0x11b/0x1e0 [ 262.710347][ T27] bit_wait+0xd/0xc0 [ 262.714259][ T27] out_of_line_wait_on_bit+0x173/0x230 [ 262.719774][ T27] ? out_of_line_wait_on_bit_lock+0x190/0x190 [ 262.725859][ T27] ? __wait_on_bit+0x170/0x170 [ 262.730676][ T27] ? bit_waitqueue+0x30/0x30 [ 262.735342][ T27] ? do_raw_spin_unlock+0x11d/0x230 [ 262.740607][ T27] gfs2_recover_journal+0x104/0x150 [ 262.745832][ T27] init_journal+0x17fa/0x22d0 [ 262.750593][ T27] ? end_bio_io_page+0x100/0x100 [ 262.755567][ T27] ? snprintf+0xe5/0x140 [ 262.759900][ T27] ? init_journal+0x749/0x22d0 [ 262.764863][ T27] ? vscnprintf+0x80/0x80 [ 262.769329][ T27] ? gfs2_glock_nq_num+0x170/0x1b0 [ 262.774455][ T27] init_inodes+0xdb/0x320 [ 262.778784][ T27] gfs2_fill_super+0x1671/0x1ea0 [ 262.783941][ T27] ? gfs2_reconfigure+0xd80/0xd80 [ 262.788988][ T27] ? gfs2_glock_nq_num+0x7e/0x1b0 [ 262.794341][ T27] ? sb_set_blocksize+0xa5/0xe0 [ 262.799547][ T27] get_tree_bdev+0x3e6/0x610 [ 262.804177][ T27] ? gfs2_reconfigure+0xd80/0xd80 [ 262.809272][ T27] gfs2_get_tree+0x4d/0x1e0 [ 262.813791][ T27] vfs_get_tree+0x88/0x270 [ 262.818234][ T27] do_new_mount+0x247/0xa50 [ 262.822811][ T27] __se_sys_mount+0x2e3/0x3d0 [ 262.827541][ T27] ? __x64_sys_mount+0xc0/0xc0 [ 262.832477][ T27] ? lockdep_hardirqs_on+0x94/0x140 [ 262.837821][ T27] ? __x64_sys_mount+0x1c/0xc0 [ 262.842663][ T27] do_syscall_64+0x4c/0xa0 [ 262.847090][ T27] ? clear_bhb_loop+0x30/0x80 [ 262.851869][ T27] ? clear_bhb_loop+0x30/0x80 [ 262.856566][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 262.862538][ T27] RIP: 0033:0x7ff9d8a23a8a [ 262.866975][ T27] RSP: 002b:00007ff9d8083e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 262.875622][ T27] RAX: ffffffffffffffda RBX: 00007ff9d8083ee0 RCX: 00007ff9d8a23a8a [ 262.883653][ T27] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ff9d8083ea0 [ 262.891857][ T27] RBP: 0000200000037f40 R08: 00007ff9d8083ee0 R09: 0000000000000000 [ 262.900257][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 [ 262.908233][ T27] R13: 00007ff9d8083ea0 R14: 0000000000037f8e R15: 0000200000000040 [ 262.916267][ T27] [ 262.919571][ T27] [ 262.919571][ T27] Showing all locks held in the system: [ 262.927578][ T27] 1 lock held by khungtaskd/27: [ 262.932488][ T27] #0: ffffffff8d11efa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 262.942283][ T27] 2 locks held by getty/3946: [ 262.947039][ T27] #0: ffff88814cf0d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 262.956961][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50 [ 262.967256][ T27] 2 locks held by kworker/1:15/4268: [ 262.972629][ T27] #0: ffff88801e6afd38 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x75c/0xff0 [ 262.983670][ T27] #1: ffffc9000305fd00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x79e/0xff0 [ 262.995146][ T27] 1 lock held by syz.0.17/4999: [ 263.000317][ T27] #0: ffff88807cc7a0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x200/0x970 [ 263.011127][ T27] 2 locks held by udevd/5002: [ 263.015806][ T27] #0: ffff888020fbe118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf1/0x780 [ 263.025944][ T27] #1: ffff888147bc8468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xb50 [ 263.035460][ T27] 1 lock held by syz-executor/5004: [ 263.041004][ T27] #0: ffff888020fbe118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x162/0xa50 [ 263.051658][ T27] [ 263.054271][ T27] ============================================= [ 263.054271][ T27] [ 263.062807][ T27] NMI backtrace for cpu 0 [ 263.067236][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 263.074444][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 263.084714][ T27] Call Trace: [ 263.088137][ T27] [ 263.091122][ T27] dump_stack_lvl+0x188/0x250 [ 263.096120][ T27] ? show_regs_print_info+0x20/0x20 [ 263.101332][ T27] ? load_image+0x410/0x410 [ 263.105855][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0 [ 263.110983][ T27] nmi_cpu_backtrace+0x3a2/0x3d0 [ 263.115935][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 263.122102][ T27] ? _printk+0xda/0x130 [ 263.126274][ T27] ? load_image+0x410/0x410 [ 263.130798][ T27] ? load_image+0x410/0x410 [ 263.135325][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 263.141583][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280 [ 263.147617][ T27] watchdog+0xe1b/0xe60 [ 263.151803][ T27] kthread+0x42e/0x520 [ 263.155975][ T27] ? hungtask_pm_notify+0x40/0x40 [ 263.161274][ T27] ? kthread_blkcg+0xd0/0xd0 [ 263.165881][ T27] ret_from_fork+0x1f/0x30 [ 263.171628][ T27] [ 263.174921][ T27] Sending NMI from CPU 0 to CPUs 1: [ 263.180544][ C1] NMI backtrace for cpu 1 [ 263.180557][ C1] CPU: 1 PID: 5484 Comm: syz.1.245 Not tainted syzkaller #0 [ 263.180572][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 263.180587][ C1] RIP: 0033:0x7f2553404ba8 [ 263.180601][ C1] Code: 1f 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 47 0f b6 0c 08 45 84 c9 74 08 45 88 0c 00 49 8b 47 10 48 83 c0 01 49 89 47 10 <83> e9 01 73 d3 41 81 fe 00 01 00 00 0f 85 c6 fe ff ff e9 08 ff ff [ 263.180613][ C1] RSP: 002b:00007f2552bae470 EFLAGS: 00000202 [ 263.180627][ C1] RAX: 0000000000014b4a RBX: 00007f2552bae530 RCX: 0000000000000004 [ 263.180637][ C1] RDX: 000000000000c42f RSI: 0000000000000830 RDI: 00007f2552bae5d0 [ 263.180646][ C1] RBP: 0000000000000007 R08: 00007f254a78f000 R09: 0000000000000000 [ 263.180655][ C1] R10: 00002000000a7ec2 R11: 0000000000037f8c R12: 0000000000000801 [ 263.180664][ C1] R13: 00007f2553603600 R14: 0000000000000016 R15: 00007f2552bae5d0 [ 263.180674][ C1] FS: 00007f2552baf6c0 GS: 0000000000000000 [ 263.185105][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 263.290751][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0 [ 263.298135][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 263.308209][ T27] Call Trace: [ 263.311504][ T27] [ 263.314446][ T27] dump_stack_lvl+0x188/0x250 [ 263.319146][ T27] ? show_regs_print_info+0x20/0x20 [ 263.324361][ T27] ? load_image+0x410/0x410 [ 263.328977][ T27] panic+0x2f8/0x850 [ 263.332891][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 263.338552][ T27] ? bpf_jit_dump+0xd0/0xd0 [ 263.343162][ T27] ? __irq_work_queue_local+0x12c/0x190 [ 263.348856][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280 [ 263.355036][ T27] watchdog+0xe5a/0xe60 [ 263.359222][ T27] kthread+0x42e/0x520 [ 263.363657][ T27] ? hungtask_pm_notify+0x40/0x40 [ 263.368791][ T27] ? kthread_blkcg+0xd0/0xd0 [ 263.373574][ T27] ret_from_fork+0x1f/0x30 [ 263.378023][ T27] [ 263.381386][ T27] Kernel Offset: disabled [ 263.385747][ T27] Rebooting in 86400 seconds..