Warning: Permanently added '10.128.1.46' (ECDSA) to the list of known hosts. [ 29.423809] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 29.436551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 29.447748] ------------[ cut here ]------------ [ 29.452611] WARNING: CPU: 1 PID: 7998 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 29.454713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 29.460823] Kernel panic - not syncing: panic_on_warn set ... [ 29.460823] [ 29.460832] CPU: 1 PID: 7998 Comm: syz-executor126 Not tainted 4.14.304-syzkaller #0 [ 29.460836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 29.460839] Call Trace: [ 29.460854] dump_stack+0x1b2/0x281 [ 29.460875] panic+0x1f9/0x42d [ 29.460882] ? add_taint.cold+0x16/0x16 [ 29.460892] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.460901] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.460906] __warn.cold+0x20/0x44 [ 29.460915] ? ist_end_non_atomic+0x10/0x10 [ 29.460921] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.460929] report_bug+0x208/0x250 [ 29.460938] do_error_trap+0x195/0x2d0 [ 29.460945] ? math_error+0x2d0/0x2d0 [ 29.460953] ? ___preempt_schedule+0x16/0x18 [ 29.460965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.460977] invalid_op+0x1b/0x40 [ 29.460986] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 29.460990] RSP: 0018:ffff88809851f728 EFLAGS: 00010282 [ 29.460997] RAX: 000000000000003a RBX: ffff88809506d850 RCX: 0000000000000000 [ 29.461002] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10130a3edb [ 29.461006] RBP: ffff8880950c4000 R08: 000000000000003a R09: 0000000000000000 [ 29.461010] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0f070e0 [ 29.461014] R13: ffff8880b17cb3c0 R14: ffff88809506d858 R15: ffff8880a190d6d8 [ 29.461030] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.461038] sysfs_create_dir_ns+0x16f/0x1d0 [ 29.461047] kobject_add_internal+0x28b/0x930 [ 29.461061] kobject_init_and_add+0xde/0x120 [ 29.497858] ------------[ cut here ]------------ [ 29.498620] ? kobject_create_and_add+0x200/0x200 [ 29.501795] WARNING: CPU: 0 PID: 7992 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 29.505743] ? vsnprintf+0x260/0x1340 [ 29.510297] Modules linked in: [ 29.514702] gfs2_sys_fs_add+0x184/0x3f0 [ 29.522616] ? recover_store+0x100/0x100 [ 29.526997] CPU: 0 PID: 7992 Comm: syz-executor126 Not tainted 4.14.304-syzkaller #0 [ 29.530618] ? snprintf+0xa5/0xd0 [ 29.534474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 29.538277] ? strscpy+0x94/0x280 [ 29.542662] task: ffff88809c600000 task.stack: ffff888096670000 [ 29.547493] fill_super+0x118b/0x2310 [ 29.550917] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 29.555907] ? vsnprintf+0x260/0x1340 [ 29.561255] RSP: 0018:ffff888096677728 EFLAGS: 00010282 [ 29.568528] ? gfs2_online_uevent+0x1b0/0x1b0 [ 29.575773] RAX: 000000000000003a RBX: ffff8880a40e8d50 RCX: 0000000000000000 [ 29.583148] ? pointer+0x9e0/0x9e0 [ 29.590410] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012cceedb [ 29.597840] ? snprintf+0xa5/0xd0 [ 29.602214] RBP: ffff888095b96600 R08: 000000000000003a R09: 0000000000000001 [ 29.606614] ? vsprintf+0x30/0x30 [ 29.611096] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0f070e0 [ 29.611103] R13: ffff8880b610ae40 R14: ffff8880a40e8d58 R15: ffff88809506d858 [ 29.615493] ? gfs2_open+0x160/0x160 [ 29.620223] FS: 000055555701c300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 29.625075] ? set_blocksize+0x125/0x380 [ 29.633267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.633273] CR2: 00007f2235e07000 CR3: 00000000a618f000 CR4: 00000000003406f0 [ 29.637143] gfs2_mount+0x439/0x510 [ 29.640304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.644340] ? fill_super+0x2310/0x2310 [ 29.648385] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.656255] ? alloc_pages_current+0x15d/0x260 [ 29.659668] Call Trace: [ 29.669002] ? __lockdep_init_map+0x100/0x560 [ 29.672455] sysfs_create_dir_ns+0x16f/0x1d0 [ 29.678587] mount_fs+0x92/0x2a0 [ 29.682716] kobject_add_internal+0x28b/0x930 [ 29.687710] vfs_kern_mount.part.0+0x5b/0x470 [ 29.691483] kobject_init_and_add+0xde/0x120 [ 29.696826] do_mount+0xe65/0x2a30 [ 29.701383] ? kobject_create_and_add+0x200/0x200 [ 29.709866] ? retint_kernel+0x2d/0x2d [ 29.713389] ? vsnprintf+0x260/0x1340 [ 29.720808] ? copy_mount_string+0x40/0x40 [ 29.724238] gfs2_sys_fs_add+0x184/0x3f0 [ 29.731482] ? memset+0x20/0x40 [ 29.734915] ? recover_store+0x100/0x100 [ 29.742157] ? copy_mount_options+0x1fa/0x2f0 [ 29.749428] ? snprintf+0xa5/0xd0 [ 29.753129] ? copy_mnt_ns+0xa30/0xa30 [ 29.761345] ? strscpy+0x94/0x280 [ 29.765388] SyS_mount+0xa8/0x120 [ 29.771458] fill_super+0x118b/0x2310 [ 29.778710] ? copy_mnt_ns+0xa30/0xa30 [ 29.782313] ? vsnprintf+0x260/0x1340 [ 29.789554] do_syscall_64+0x1d5/0x640 [ 29.793501] ? gfs2_online_uevent+0x1b0/0x1b0 [ 29.800752] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 29.805321] ? pointer+0x9e0/0x9e0 [ 29.807898] RIP: 0033:0x7fb47687f6da [ 29.812396] ? snprintf+0xa5/0xd0 [ 29.816771] RSP: 002b:00007ffe7bd8b8e8 EFLAGS: 00000282 [ 29.820130] ? vsprintf+0x30/0x30 [ 29.824683] ORIG_RAX: 00000000000000a5 [ 29.829157] ? gfs2_open+0x160/0x160 [ 29.833532] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb47687f6da [ 29.837239] ? set_blocksize+0x125/0x380 [ 29.842055] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007ffe7bd8b8f0 [ 29.845961] gfs2_mount+0x439/0x510 [ 29.849914] RBP: 00007ffe7bd8b8f0 R08: 00007ffe7bd8b930 R09: 0000000000000002 [ 29.854139] ? fill_super+0x2310/0x2310 [ 29.858253] R10: 000000000020400f R11: 0000000000000282 R12: 0000000000000004 [ 29.861529] ? alloc_pages_current+0x15d/0x260 [ 29.865549] R13: 000055555701c2c0 R14: 00007ffe7bd8b930 R15: 0000000000000000 [ 29.870543] ? __lockdep_init_map+0x100/0x560 [ 29.994162] mount_fs+0x92/0x2a0 [ 29.997611] vfs_kern_mount.part.0+0x5b/0x470 [ 30.002093] do_mount+0xe65/0x2a30 [ 30.005622] ? retint_kernel+0x2d/0x2d [ 30.009512] ? copy_mount_string+0x40/0x40 [ 30.013731] ? memset+0x20/0x40 [ 30.017001] ? copy_mount_options+0x1fa/0x2f0 [ 30.021487] ? copy_mnt_ns+0xa30/0xa30 [ 30.025360] SyS_mount+0xa8/0x120 [ 30.028799] ? copy_mnt_ns+0xa30/0xa30 [ 30.032773] do_syscall_64+0x1d5/0x640 [ 30.036648] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 30.041819] RIP: 0033:0x7fb47687f6da [ 30.045527] RSP: 002b:00007ffe7bd8b8e8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 30.053229] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb47687f6da [ 30.060487] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007ffe7bd8b8f0 [ 30.067738] RBP: 00007ffe7bd8b8f0 R08: 00007ffe7bd8b930 R09: 0000000000000002 [ 30.075083] R10: 000000000020400f R11: 0000000000000282 R12: 0000000000000004 [ 30.082336] R13: 000055555701c2c0 R14: 00007ffe7bd8b930 R15: 0000000000000000 [ 30.089597] Code: bd ea ff ff ff e9 d9 9a 9f fa 4c 89 ff e8 3e b5 7a fa eb da e8 77 f2 50 fa 4c 89 ea 48 89 ee 48 c7 c7 c0 c4 95 87 e8 e9 fb fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 16 8b 7a fa e8 51 f2 50 fa 4d [ 30.108868] ---[ end trace 640398a9c0ee7f2c ]--- [ 30.113665] Kernel Offset: disabled [ 30.117319] Rebooting in 86400 seconds..