Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. [ 29.082802] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 29.112551] gfs2: fsid=syz:syz: Now mounting FS... [ 29.132778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 29.135037] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 29.159847] ------------[ cut here ]------------ [ 29.164632] WARNING: CPU: 0 PID: 7985 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 29.172425] ------------[ cut here ]------------ [ 29.172850] Kernel panic - not syncing: panic_on_warn set ... [ 29.172850] [ 29.177605] WARNING: CPU: 1 PID: 7984 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 29.184935] CPU: 0 PID: 7985 Comm: syz-executor258 Not tainted 4.14.302-syzkaller #0 [ 29.193133] Modules linked in: [ 29.200984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 29.204157] Call Trace: [ 29.213489] CPU: 1 PID: 7984 Comm: syz-executor258 Not tainted 4.14.302-syzkaller #0 [ 29.216062] dump_stack+0x1b2/0x281 [ 29.223900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 29.227505] panic+0x1f9/0x42d [ 29.236827] task: ffff888095cb4340 task.stack: ffff8880966b8000 [ 29.236836] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 29.240004] ? add_taint.cold+0x16/0x16 [ 29.246033] RSP: 0018:ffff8880966bf728 EFLAGS: 00010282 [ 29.251027] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.260312] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.264688] RAX: 000000000000003a RBX: ffff888095f51d10 RCX: 0000000000000000 [ 29.269072] __warn.cold+0x20/0x44 [ 29.276320] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012cd7edb [ 29.276328] RBP: ffff8880957f0400 R08: 000000000000003a R09: 0000000000000000 [ 29.279858] ? ist_end_non_atomic+0x10/0x10 [ 29.287104] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238fa1e00 [ 29.294368] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.298658] R13: ffff8880b191ed00 R14: ffff888095f51d18 R15: ffff888095475c98 [ 29.305931] report_bug+0x208/0x250 [ 29.310396] FS: 0000555556eb7300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 29.317645] do_error_trap+0x195/0x2d0 [ 29.321242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.329444] ? math_error+0x2d0/0x2d0 [ 29.333300] CR2: 0000560723de6540 CR3: 00000000b04a9000 CR4: 00000000003406e0 [ 29.339157] ? ___preempt_schedule+0x16/0x18 [ 29.342927] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.350179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.354555] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.361806] invalid_op+0x1b/0x40 [ 29.366626] Call Trace: [ 29.373892] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 29.377321] sysfs_create_dir_ns+0x16f/0x1d0 [ 29.379873] RSP: 0018:ffff888095e5f728 EFLAGS: 00010282 [ 29.384873] kobject_add_internal+0x28b/0x930 [ 29.389255] RAX: 000000000000003a RBX: ffff8880b18e5cd0 RCX: 0000000000000000 [ 29.394603] kobject_init_and_add+0xde/0x120 [ 29.399081] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012bcbedb [ 29.406370] ? kobject_create_and_add+0x200/0x200 [ 29.410746] RBP: ffff8880b2f8a940 R08: 000000000000003a R09: 0000000000000000 [ 29.417997] ? vsnprintf+0x260/0x1340 [ 29.422810] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238fa1e00 [ 29.430067] gfs2_sys_fs_add+0x184/0x3f0 [ 29.433836] R13: ffff8880b6119100 R14: ffff8880b18e5cd8 R15: ffff888095f51d18 [ 29.441085] ? recover_store+0x100/0x100 [ 29.445129] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.452366] ? snprintf+0xa5/0xd0 [ 29.456404] sysfs_create_dir_ns+0x16f/0x1d0 [ 29.460786] ? strscpy+0x94/0x280 [ 29.464212] kobject_add_internal+0x28b/0x930 [ 29.468594] fill_super+0x118b/0x2310 [ 29.472026] kobject_init_and_add+0xde/0x120 [ 29.476495] ? vsnprintf+0x260/0x1340 [ 29.480267] ? kobject_create_and_add+0x200/0x200 [ 29.484654] ? gfs2_online_uevent+0x1b0/0x1b0 [ 29.488431] ? vsnprintf+0x260/0x1340 [ 29.493243] ? pointer+0x9e0/0x9e0 [ 29.497714] gfs2_sys_fs_add+0x184/0x3f0 [ 29.501486] ? snprintf+0xa5/0xd0 [ 29.504998] ? recover_store+0x100/0x100 [ 29.509033] ? vsprintf+0x30/0x30 [ 29.512458] ? snprintf+0xa5/0xd0 [ 29.516493] ? gfs2_open+0x160/0x160 [ 29.519924] ? strscpy+0x94/0x280 [ 29.523359] ? set_blocksize+0x125/0x380 [ 29.527045] fill_super+0x118b/0x2310 [ 29.530472] gfs2_mount+0x439/0x510 [ 29.534505] ? vsnprintf+0x260/0x1340 [ 29.538282] ? fill_super+0x2310/0x2310 [ 29.541884] ? gfs2_online_uevent+0x1b0/0x1b0 [ 29.545668] ? alloc_pages_current+0x15d/0x260 [ 29.549604] ? pointer+0x9e0/0x9e0 [ 29.554075] ? __lockdep_init_map+0x100/0x560 [ 29.558636] ? snprintf+0xa5/0xd0 [ 29.562147] mount_fs+0x92/0x2a0 [ 29.566618] ? vsprintf+0x30/0x30 [ 29.570047] vfs_kern_mount.part.0+0x5b/0x470 [ 29.573382] ? gfs2_open+0x160/0x160 [ 29.576809] do_mount+0xe65/0x2a30 [ 29.581294] ? set_blocksize+0x125/0x380 [ 29.584984] ? retint_kernel+0x2d/0x2d [ 29.588494] gfs2_mount+0x439/0x510 [ 29.592524] ? copy_mount_string+0x40/0x40 [ 29.596383] ? fill_super+0x2310/0x2310 [ 29.599993] ? memset+0x20/0x40 [ 29.604212] ? alloc_pages_current+0x15d/0x260 [ 29.608149] ? copy_mount_options+0x1fa/0x2f0 [ 29.611401] ? __lockdep_init_map+0x100/0x560 [ 29.615956] ? copy_mnt_ns+0xa30/0xa30 [ 29.620421] mount_fs+0x92/0x2a0 [ 29.624887] SyS_mount+0xa8/0x120 [ 29.628752] vfs_kern_mount.part.0+0x5b/0x470 [ 29.632088] ? copy_mnt_ns+0xa30/0xa30 [ 29.635513] do_mount+0xe65/0x2a30 [ 29.639980] do_syscall_64+0x1d5/0x640 [ 29.643849] ? retint_kernel+0x2d/0x2d [ 29.647366] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 29.651225] ? copy_mount_string+0x40/0x40 [ 29.655083] RIP: 0033:0x7fc82e85779a [ 29.660246] ? memset+0x20/0x40 [ 29.664536] RSP: 002b:00007ffe5cd13888 EFLAGS: 00000282 [ 29.668226] ? copy_mount_options+0x1fa/0x2f0 [ 29.671474] ORIG_RAX: 00000000000000a5 [ 29.676811] ? copy_mnt_ns+0xa30/0xa30 [ 29.681276] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc82e85779a [ 29.685226] SyS_mount+0xa8/0x120 [ 29.689084] RDX: 00000000200124c0 RSI: 0000000020000000 RDI: 00007ffe5cd138a0 [ 29.696349] ? copy_mnt_ns+0xa30/0xa30 [ 29.699771] RBP: 00007ffe5cd138a0 R08: 00007ffe5cd138e0 R09: 0000000000000002 [ 29.699777] R10: 0000000000000002 R11: 0000000000000282 R12: 0000000000000004 [ 29.707111] do_syscall_64+0x1d5/0x640 [ 29.710970] R13: 0000555556eb72c0 R14: 0000000000000002 R15: 00007ffe5cd138e0 [ 29.718219] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 29.725476] Code: [ 29.729344] RIP: 0033:0x7fc82e85779a [ 29.736587] bd [ 29.741750] RSP: 002b:00007ffe5cd13888 EFLAGS: 00000282 [ 29.743869] ea [ 29.747555] ORIG_RAX: 00000000000000a5 [ 29.749415] ff [ 29.754753] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc82e85779a [ 29.756612] ff [ 29.760578] RDX: 00000000200124c0 RSI: 0000000020000000 RDI: 00007ffe5cd138a0 [ 29.762444] ff [ 29.769704] RBP: 00007ffe5cd138a0 R08: 00007ffe5cd138e0 R09: 0000000000000002 [ 29.771596] e9 [ 29.778852] R10: 0000000000000002 R11: 0000000000000282 R12: 0000000000000004 [ 29.780712] 8f [ 29.787956] R13: 0000555556eb72c0 R14: 0000000000000002 R15: 00007ffe5cd138e0 [ 29.806205] c2 9f fa 4c 89 ff e8 74 de 7a fa eb da e8 6d 1d 51 fa 4c 89 ea 48 89 ee 48 c7 c7 80 c4 95 87 e8 e5 fb fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 4c b4 7a fa e8 47 1d 51 fa 4d [ 29.823034] ---[ end trace 7dfd2c3ad9012004 ]--- [ 29.828035] Kernel Offset: disabled [ 29.831695] Rebooting in 86400 seconds..