Warning: Permanently added '10.128.0.228' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 36.330396] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 36.342748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 36.361471] ------------[ cut here ]------------ [ 36.366286] WARNING: CPU: 0 PID: 7964 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 36.366600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 36.374500] Kernel panic - not syncing: panic_on_warn set ... [ 36.374500] [ 36.374509] CPU: 0 PID: 7964 Comm: syz-executor160 Not tainted 4.14.302-syzkaller #0 [ 36.374513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 36.374517] Call Trace: [ 36.374530] dump_stack+0x1b2/0x281 [ 36.374539] panic+0x1f9/0x42d [ 36.383536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 36.388535] ? add_taint.cold+0x16/0x16 [ 36.388547] ? sysfs_warn_dup.cold+0x17/0x26 [ 36.388555] ? sysfs_warn_dup.cold+0x17/0x26 [ 36.388561] __warn.cold+0x20/0x44 [ 36.388570] ? ist_end_non_atomic+0x10/0x10 [ 36.388576] ? sysfs_warn_dup.cold+0x17/0x26 [ 36.388584] report_bug+0x208/0x250 [ 36.388593] do_error_trap+0x195/0x2d0 [ 36.388600] ? math_error+0x2d0/0x2d0 [ 36.388608] ? ___preempt_schedule+0x16/0x18 [ 36.388620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.388633] invalid_op+0x1b/0x40 [ 36.388640] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 36.388645] RSP: 0018:ffff8880b53df728 EFLAGS: 00010282 [ 36.388652] RAX: 000000000000003a RBX: ffff88808f479b10 RCX: 0000000000000000 [ 36.388657] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1016a7bedb [ 36.388662] RBP: ffff8880997ac7c0 R08: 000000000000003a R09: 0000000000000000 [ 36.388665] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b12e5460 [ 36.388670] R13: ffff8880a4cfdac0 R14: ffff88808f479b18 R15: ffff8880b2f99ad8 [ 36.388686] ? sysfs_warn_dup.cold+0x17/0x26 [ 36.388695] sysfs_create_dir_ns+0x16f/0x1d0 [ 36.388707] kobject_add_internal+0x28b/0x930 [ 36.397018] ------------[ cut here ]------------ [ 36.405912] kobject_init_and_add+0xde/0x120 [ 36.408479] WARNING: CPU: 1 PID: 7963 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 36.412083] ? kobject_create_and_add+0x200/0x200 [ 36.415242] Modules linked in: [ 36.421886] ? vsnprintf+0x260/0x1340 [ 36.430222] gfs2_sys_fs_add+0x184/0x3f0 [ 36.434601] CPU: 1 PID: 7963 Comm: syz-executor160 Not tainted 4.14.302-syzkaller #0 [ 36.438115] ? recover_store+0x100/0x100 [ 36.442420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 36.446821] ? snprintf+0xa5/0xd0 [ 36.450416] task: ffff8880b3690140 task.stack: ffff888095e58000 [ 36.454283] ? strscpy+0x94/0x280 [ 36.458058] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 36.462439] fill_super+0x118b/0x2310 [ 36.467250] RSP: 0018:ffff888095e5f728 EFLAGS: 00010282 [ 36.470687] ? vsnprintf+0x260/0x1340 [ 36.481011] ? gfs2_online_uevent+0x1b0/0x1b0 [ 36.488258] RAX: 000000000000003a RBX: ffff8880b2d91b90 RCX: 0000000000000000 [ 36.495519] ? pointer+0x9e0/0x9e0 [ 36.502769] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012bcbedb [ 36.510129] ? snprintf+0xa5/0xd0 [ 36.517374] RBP: ffff8880968aaa40 R08: 000000000000003a R09: 0000000000000001 [ 36.521764] ? vsprintf+0x30/0x30 [ 36.526146] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b12e5460 [ 36.530619] ? gfs2_open+0x160/0x160 [ 36.535346] R13: ffff8880a51911c0 R14: ffff8880b2d91b98 R15: ffff8880b2c35b58 [ 36.539735] ? set_blocksize+0x125/0x380 [ 36.547933] FS: 0000555556c34300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 36.552756] gfs2_mount+0x439/0x510 [ 36.555934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.559729] ? fill_super+0x2310/0x2310 [ 36.563759] CR2: 00007f5da2e82f80 CR3: 00000000a5b67000 CR4: 00000000003406e0 [ 36.571631] ? alloc_pages_current+0x15d/0x260 [ 36.575663] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.585022] ? __lockdep_init_map+0x100/0x560 [ 36.588455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.588462] Call Trace: [ 36.594514] mount_fs+0x92/0x2a0 [ 36.597954] sysfs_create_dir_ns+0x16f/0x1d0 [ 36.602952] vfs_kern_mount.part.0+0x5b/0x470 [ 36.606729] kobject_add_internal+0x28b/0x930 [ 36.612080] do_mount+0xe65/0x2a30 [ 36.615874] kobject_init_and_add+0xde/0x120 [ 36.620343] ? do_raw_spin_unlock+0x164/0x220 [ 36.627592] ? kobject_create_and_add+0x200/0x200 [ 36.631107] ? copy_mount_string+0x40/0x40 [ 36.638357] ? vsnprintf+0x260/0x1340 [ 36.641784] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.649035] gfs2_sys_fs_add+0x184/0x3f0 [ 36.652459] ? copy_mnt_ns+0xa30/0xa30 [ 36.659708] ? recover_store+0x100/0x100 [ 36.663396] ? copy_mount_options+0x1fa/0x2f0 [ 36.670641] ? snprintf+0xa5/0xd0 [ 36.674676] ? copy_mnt_ns+0xa30/0xa30 [ 36.682881] ? strscpy+0x94/0x280 [ 36.686480] SyS_mount+0xa8/0x120 [ 36.692340] fill_super+0x118b/0x2310 [ 36.696287] ? copy_mnt_ns+0xa30/0xa30 [ 36.703576] ? vsnprintf+0x260/0x1340 [ 36.708134] do_syscall_64+0x1d5/0x640 [ 36.715382] ? gfs2_online_uevent+0x1b0/0x1b0 [ 36.719870] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 36.727124] ? pointer+0x9e0/0x9e0 [ 36.729681] RIP: 0033:0x7f5da2eaf6ca [ 36.733031] ? snprintf+0xa5/0xd0 [ 36.737411] RSP: 002b:00007fff6b363398 EFLAGS: 00000282 [ 36.741887] ? vsprintf+0x30/0x30 [ 36.746352] ORIG_RAX: 00000000000000a5 [ 36.749870] ? gfs2_open+0x160/0x160 [ 36.754250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5da2eaf6ca [ 36.758722] ? set_blocksize+0x125/0x380 [ 36.763535] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007fff6b3633b0 [ 36.767749] gfs2_mount+0x439/0x510 [ 36.771520] RBP: 00007fff6b3633b0 R08: 00007fff6b3633f0 R09: 0000000000000002 [ 36.776515] ? fill_super+0x2310/0x2310 [ 36.780549] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 36.784427] ? alloc_pages_current+0x15d/0x260 [ 36.788448] R13: 0000555556c342c0 R14: 0000000000000000 R15: 00007fff6b3633f0 [ 36.792926] ? __lockdep_init_map+0x100/0x560 [ 36.915859] mount_fs+0x92/0x2a0 [ 36.919217] vfs_kern_mount.part.0+0x5b/0x470 [ 36.923699] do_mount+0xe65/0x2a30 [ 36.927224] ? do_raw_spin_unlock+0x164/0x220 [ 36.931710] ? copy_mount_string+0x40/0x40 [ 36.935932] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.940933] ? copy_mnt_ns+0xa30/0xa30 [ 36.944804] ? copy_mount_options+0x1fa/0x2f0 [ 36.949280] ? copy_mnt_ns+0xa30/0xa30 [ 36.953152] SyS_mount+0xa8/0x120 [ 36.956590] ? copy_mnt_ns+0xa30/0xa30 [ 36.960461] do_syscall_64+0x1d5/0x640 [ 36.964336] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 36.969509] RIP: 0033:0x7f5da2eaf6ca [ 36.973202] RSP: 002b:00007fff6b363398 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 36.980897] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5da2eaf6ca [ 36.988152] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007fff6b3633b0 [ 36.995409] RBP: 00007fff6b3633b0 R08: 00007fff6b3633f0 R09: 0000000000000002 [ 37.002664] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 37.009920] R13: 0000555556c342c0 R14: 0000000000000000 R15: 00007fff6b3633f0 [ 37.017182] 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 [ 37.036371] ---[ end trace 70ce5ec13ee2f137 ]--- [ 37.041268] Kernel Offset: disabled [ 37.044928] Rebooting in 86400 seconds..