Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts. [ 31.295449] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 31.333970] gfs2: fsid=syz:syz: Now mounting FS... [ 31.368768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.384944] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents [ 31.403802] ------------[ cut here ]------------ [ 31.406608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 31.408670] WARNING: CPU: 1 PID: 7966 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 31.408676] Kernel panic - not syncing: panic_on_warn set ... [ 31.408676] [ 31.408684] CPU: 1 PID: 7966 Comm: syz-executor392 Not tainted 4.14.302-syzkaller #0 [ 31.408688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 31.408691] Call Trace: [ 31.408702] dump_stack+0x1b2/0x281 [ 31.418100] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 31.423646] panic+0x1f9/0x42d [ 31.423655] ? add_taint.cold+0x16/0x16 [ 31.423667] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.423675] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.423680] __warn.cold+0x20/0x44 [ 31.423689] ? ist_end_non_atomic+0x10/0x10 [ 31.423695] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.423703] report_bug+0x208/0x250 [ 31.423712] do_error_trap+0x195/0x2d0 [ 31.423724] ? math_error+0x2d0/0x2d0 [ 31.431196] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 31.438979] ? ___preempt_schedule+0x16/0x18 [ 31.438990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.439001] invalid_op+0x1b/0x40 [ 31.439010] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 31.439015] RSP: 0018:ffff8880a2acf728 EFLAGS: 00010282 [ 31.439022] RAX: 000000000000003a RBX: ffff888095bd1d90 RCX: 0000000000000000 [ 31.439029] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1014559edb [ 31.453782] ------------[ cut here ]------------ [ 31.454582] RBP: ffff888095876440 R08: 000000000000003a R09: 0000000000000000 [ 31.460643] WARNING: CPU: 0 PID: 7962 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 31.463807] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0fa2700 [ 31.467757] Modules linked in: [ 31.472144] R13: ffff8880b6121800 R14: ffff888095bd1d98 R15: ffff888095bd9d58 [ 31.476527] CPU: 0 PID: 7962 Comm: syz-executor392 Not tainted 4.14.302-syzkaller #0 [ 31.480053] ? sysfs_warn_dup.cold+0x17/0x26 [ 31.484339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 31.488724] sysfs_create_dir_ns+0x16f/0x1d0 [ 31.492327] task: ffff888098994000 task.stack: ffff8880b3658000 [ 31.496192] kobject_add_internal+0x28b/0x930 [ 31.499961] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 31.505907] kobject_init_and_add+0xde/0x120 [ 31.510283] RSP: 0018:ffff8880b365f728 EFLAGS: 00010282 [ 31.515110] ? kobject_create_and_add+0x200/0x200 [ 31.523647] ? vsnprintf+0x260/0x1340 [ 31.528983] RAX: 000000000000003a RBX: ffff8880b1019dd0 RCX: 0000000000000000 [ 31.536245] gfs2_sys_fs_add+0x184/0x3f0 [ 31.543485] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10166cbedb [ 31.548233] ? recover_store+0x100/0x100 [ 31.555556] RBP: ffff8880b34364c0 R08: 000000000000003a R09: 0000000000000001 [ 31.555563] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0fa2700 [ 31.563766] ? snprintf+0xa5/0xd0 [ 31.571094] R13: ffff8880b5393640 R14: ffff8880b1019dd8 R15: ffff888095bd1d98 [ 31.574279] ? strscpy+0x94/0x280 [ 31.581517] FS: 0000555555e0f300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 31.589373] fill_super+0x118b/0x2310 [ 31.593748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.603089] ? vsnprintf+0x260/0x1340 [ 31.607458] CR2: 00007ffcab4c6000 CR3: 00000000b3322000 CR4: 00000000003406f0 [ 31.607466] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.613498] ? gfs2_online_uevent+0x1b0/0x1b0 [ 31.617959] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.622950] ? pointer+0x9e0/0x9e0 [ 31.627322] Call Trace: [ 31.632663] ? snprintf+0xa5/0xd0 [ 31.637479] sysfs_create_dir_ns+0x16f/0x1d0 [ 31.641244] ? vsprintf+0x30/0x30 [ 31.648504] kobject_add_internal+0x28b/0x930 [ 31.652540] ? gfs2_open+0x160/0x160 [ 31.659795] kobject_init_and_add+0xde/0x120 [ 31.663832] ? set_blocksize+0x125/0x380 [ 31.671094] ? kobject_create_and_add+0x200/0x200 [ 31.678357] gfs2_mount+0x439/0x510 [ 31.681790] ? vsnprintf+0x260/0x1340 [ 31.689037] ? fill_super+0x2310/0x2310 [ 31.692478] gfs2_sys_fs_add+0x184/0x3f0 [ 31.700690] ? alloc_pages_current+0x15d/0x260 [ 31.704538] ? recover_store+0x100/0x100 [ 31.710396] ? __lockdep_init_map+0x100/0x560 [ 31.714165] ? snprintf+0xa5/0xd0 [ 31.721407] mount_fs+0x92/0x2a0 [ 31.728675] ? strscpy+0x94/0x280 [ 31.733409] vfs_kern_mount.part.0+0x5b/0x470 [ 31.740658] fill_super+0x118b/0x2310 [ 31.744179] do_mount+0xe65/0x2a30 [ 31.746762] ? vsnprintf+0x260/0x1340 [ 31.750193] ? retint_kernel+0x2d/0x2d [ 31.754576] ? gfs2_online_uevent+0x1b0/0x1b0 [ 31.758003] ? copy_mount_string+0x40/0x40 [ 31.762474] ? pointer+0x9e0/0x9e0 [ 31.766169] ? memset+0x20/0x40 [ 31.770994] ? snprintf+0xa5/0xd0 [ 31.775030] ? copy_mount_options+0x1fa/0x2f0 [ 31.779852] ? vsprintf+0x30/0x30 [ 31.783461] ? copy_mnt_ns+0xa30/0xa30 [ 31.787233] ? gfs2_open+0x160/0x160 [ 31.791183] SyS_mount+0xa8/0x120 [ 31.795306] ? set_blocksize+0x125/0x380 [ 31.799861] ? copy_mnt_ns+0xa30/0xa30 [ 31.803909] gfs2_mount+0x439/0x510 [ 31.808463] do_syscall_64+0x1d5/0x640 [ 31.811890] ? fill_super+0x2310/0x2310 [ 31.815231] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 31.818666] ? alloc_pages_current+0x15d/0x260 [ 31.823122] RIP: 0033:0x7fca9b5a06da [ 31.826895] ? __lockdep_init_map+0x100/0x560 [ 31.830403] RSP: 002b:00007ffcab4c4fd8 EFLAGS: 00000282 [ 31.834184] mount_fs+0x92/0x2a0 [ 31.838042] ORIG_RAX: 00000000000000a5 [ 31.842516] vfs_kern_mount.part.0+0x5b/0x470 [ 31.846716] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fca9b5a06da [ 31.850230] do_mount+0xe65/0x2a30 [ 31.853479] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007ffcab4c4ff0 [ 31.856916] ? retint_kernel+0x2d/0x2d [ 31.861374] RBP: 00007ffcab4c4ff0 R08: 00007ffcab4c5030 R09: 0000000000000002 [ 31.861379] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 31.864806] ? copy_mount_string+0x40/0x40 [ 31.868664] R13: 0000555555e0f2c0 R14: 0000000000000000 R15: 00007ffcab4c5030 [ 31.872349] ? memset+0x20/0x40 [ 31.981463] ? copy_mount_options+0x1fa/0x2f0 [ 31.985938] ? copy_mnt_ns+0xa30/0xa30 [ 31.989806] SyS_mount+0xa8/0x120 [ 31.993242] ? copy_mnt_ns+0xa30/0xa30 [ 31.997117] do_syscall_64+0x1d5/0x640 [ 32.001079] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 32.006856] RIP: 0033:0x7fca9b5a06da [ 32.010549] RSP: 002b:00007ffcab4c4fd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 32.018238] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fca9b5a06da [ 32.025495] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007ffcab4c4ff0 [ 32.032835] RBP: 00007ffcab4c4ff0 R08: 00007ffcab4c5030 R09: 0000000000000002 [ 32.040086] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 32.047338] R13: 0000555555e0f2c0 R14: 0000000000000000 R15: 00007ffcab4c5030 [ 32.054792] Code: bd ea ff ff ff e9 8f 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 [ 32.073976] ---[ end trace 2ed0474dba39582b ]--- [ 32.078896] Kernel Offset: disabled [ 32.082559] Rebooting in 86400 seconds..