Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts. [ 28.965857] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 28.972947] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.981553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.985123] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 28.996497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 29.004340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 29.006199] ------------[ cut here ]------------ [ 29.014271] ------------[ cut here ]------------ [ 29.015764] WARNING: CPU: 1 PID: 7984 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 29.020499] WARNING: CPU: 0 PID: 7978 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 29.028693] Kernel panic - not syncing: panic_on_warn set ... [ 29.028693] [ 29.036895] Modules linked in: [ 29.044230] CPU: 1 PID: 7984 Comm: syz-executor228 Not tainted 4.14.302-syzkaller #0 [ 29.044239] CPU: 0 PID: 7978 Comm: syz-executor228 Not tainted 4.14.302-syzkaller #0 [ 29.047401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 29.055248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 29.055255] task: ffff8880b4f6a400 task.stack: ffff8880959d8000 [ 29.063107] Call Trace: [ 29.072447] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 29.081820] dump_stack+0x1b2/0x281 [ 29.087848] RSP: 0018:ffff8880959df728 EFLAGS: 00010282 [ 29.090409] panic+0x1f9/0x42d [ 29.095391] RAX: 000000000000003a RBX: ffff8880b1995ad0 RCX: 0000000000000000 [ 29.099007] ? add_taint.cold+0x16/0x16 [ 29.104339] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012b3bedb [ 29.107520] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.114759] RBP: ffff8880956d6300 R08: 000000000000003a R09: 0000000000000000 [ 29.118709] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.125948] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238f34d20 [ 29.125954] R13: ffff8880b2a5b680 R14: ffff8880b1995ad8 R15: ffff8880b1b15a98 [ 29.130334] __warn.cold+0x20/0x44 [ 29.137576] FS: 0000555555d7c300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 29.141959] ? ist_end_non_atomic+0x10/0x10 [ 29.149202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.156450] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.159961] CR2: 0000557527221f30 CR3: 00000000b4afd000 CR4: 00000000003406f0 [ 29.168175] report_bug+0x208/0x250 [ 29.172465] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.178328] do_error_trap+0x195/0x2d0 [ 29.182701] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.189950] ? math_error+0x2d0/0x2d0 [ 29.193549] Call Trace: [ 29.200802] ? ___preempt_schedule+0x16/0x18 [ 29.204668] sysfs_create_dir_ns+0x16f/0x1d0 [ 29.211914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.215689] kobject_add_internal+0x28b/0x930 [ 29.218247] invalid_op+0x1b/0x40 [ 29.222629] kobject_init_and_add+0xde/0x120 [ 29.227006] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 29.231944] ? kobject_create_and_add+0x200/0x200 [ 29.236404] RSP: 0018:ffff8880b4527728 EFLAGS: 00010282 [ 29.239854] ? vsnprintf+0x260/0x1340 [ 29.244259] RAX: 000000000000003a RBX: ffff8880b1b15a90 RCX: 0000000000000000 [ 29.249529] gfs2_sys_fs_add+0x184/0x3f0 [ 29.254378] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10168a4edb [ 29.259731] ? recover_store+0x100/0x100 [ 29.263513] RBP: ffff888095706e40 R08: 000000000000003a R09: 0000000000000000 [ 29.270766] ? snprintf+0xa5/0xd0 [ 29.274800] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238f34d20 [ 29.274810] R13: ffff8880a3089e80 R14: ffff8880b1b15a98 R15: ffff8880b2e01a58 [ 29.282163] ? strscpy+0x94/0x280 [ 29.286202] ? sysfs_warn_dup.cold+0x17/0x26 [ 29.293445] fill_super+0x118b/0x2310 [ 29.296872] sysfs_create_dir_ns+0x16f/0x1d0 [ 29.304120] ? vsnprintf+0x260/0x1340 [ 29.311361] kobject_add_internal+0x28b/0x930 [ 29.314806] ? gfs2_online_uevent+0x1b0/0x1b0 [ 29.319187] kobject_init_and_add+0xde/0x120 [ 29.322955] ? pointer+0x9e0/0x9e0 [ 29.327337] ? kobject_create_and_add+0x200/0x200 [ 29.331111] ? snprintf+0xa5/0xd0 [ 29.335575] ? vsnprintf+0x260/0x1340 [ 29.340040] ? vsprintf+0x30/0x30 [ 29.344424] gfs2_sys_fs_add+0x184/0x3f0 [ 29.347931] ? gfs2_open+0x160/0x160 [ 29.352750] ? recover_store+0x100/0x100 [ 29.356181] ? set_blocksize+0x125/0x380 [ 29.359959] ? snprintf+0xa5/0xd0 [ 29.363478] gfs2_mount+0x439/0x510 [ 29.367512] ? strscpy+0x94/0x280 [ 29.371197] ? fill_super+0x2310/0x2310 [ 29.375229] fill_super+0x118b/0x2310 [ 29.379275] ? alloc_pages_current+0x15d/0x260 [ 29.382688] ? vsnprintf+0x260/0x1340 [ 29.386287] ? __lockdep_init_map+0x100/0x560 [ 29.389712] ? gfs2_online_uevent+0x1b0/0x1b0 [ 29.393656] mount_fs+0x92/0x2a0 [ 29.397431] ? pointer+0x9e0/0x9e0 [ 29.402003] vfs_kern_mount.part.0+0x5b/0x470 [ 29.405796] ? snprintf+0xa5/0xd0 [ 29.410272] do_mount+0xe65/0x2a30 [ 29.414750] ? vsprintf+0x30/0x30 [ 29.418208] ? retint_kernel+0x2d/0x2d [ 29.421717] ? gfs2_open+0x160/0x160 [ 29.426188] ? copy_mount_string+0x40/0x40 [ 29.429621] ? set_blocksize+0x125/0x380 [ 29.433131] ? memset+0x20/0x40 [ 29.436558] gfs2_mount+0x439/0x510 [ 29.440423] ? copy_mount_options+0x1fa/0x2f0 [ 29.444112] ? fill_super+0x2310/0x2310 [ 29.448407] ? copy_mnt_ns+0xa30/0xa30 [ 29.452452] ? alloc_pages_current+0x15d/0x260 [ 29.455691] SyS_mount+0xa8/0x120 [ 29.459291] ? __lockdep_init_map+0x100/0x560 [ 29.463757] ? copy_mnt_ns+0xa30/0xa30 [ 29.467704] mount_fs+0x92/0x2a0 [ 29.471578] do_syscall_64+0x1d5/0x640 [ 29.476143] vfs_kern_mount.part.0+0x5b/0x470 [ 29.479576] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 29.484040] do_mount+0xe65/0x2a30 [ 29.487991] RIP: 0033:0x7f49a70ae6da [ 29.491330] ? retint_kernel+0x2d/0x2d [ 29.495185] RSP: 002b:00007fff087c6fd8 EFLAGS: 00000282 [ 29.499859] ? copy_mount_string+0x40/0x40 [ 29.505107] ORIG_RAX: 00000000000000a5 [ 29.508628] ? memset+0x20/0x40 [ 29.512326] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f49a70ae6da [ 29.516196] ? copy_mount_options+0x1fa/0x2f0 [ 29.521523] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007fff087c6ff0 [ 29.525729] ? copy_mnt_ns+0xa30/0xa30 [ 29.529672] RBP: 00007fff087c6ff0 R08: 00007fff087c7030 R09: 0000000000000002 [ 29.532932] SyS_mount+0xa8/0x120 [ 29.540406] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 29.544886] ? copy_mnt_ns+0xa30/0xa30 [ 29.552124] R13: 0000555555d7c2c0 R14: 0000000000000000 R15: 00007fff087c7030 [ 29.555987] do_syscall_64+0x1d5/0x640 [ 29.563231] Code: [ 29.566659] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 29.573894] bd [ 29.577756] RIP: 0033:0x7f49a70ae6da [ 29.584995] ea [ 29.588852] RSP: 002b:00007fff087c6fd8 EFLAGS: 00000282 [ 29.590971] ff [ 29.596131] ORIG_RAX: 00000000000000a5 [ 29.598009] ff [ 29.601695] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f49a70ae6da [ 29.603552] ff [ 29.608887] RDX: 0000000020037f40 RSI: 0000000020037f80 RDI: 00007fff087c6ff0 [ 29.610747] e9 [ 29.614692] RBP: 00007fff087c6ff0 R08: 00007fff087c7030 R09: 0000000000000002 [ 29.616550] 8f [ 29.623797] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 29.625659] c2 [ 29.632901] R13: 0000555555d7c2c0 R14: 0000000000000000 R15: 00007fff087c7030 [ 29.634759] 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 [ 29.676758] ---[ end trace 32e57caddc5d1e95 ]--- [ 29.681667] Kernel Offset: disabled [ 29.685325] Rebooting in 86400 seconds..