sysfs: cannot create duplicate filename '/fs/gfs2/user.incfs.id' sysfs: cannot create duplicate filename '/fs/gfs2/user.incfs.id' sysfs: cannot create duplicate filename '/fs/gfs2/user.incfs.id' ------------[ cut here ]------------ ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7976 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 WARNING: CPU: 0 PID: 7978 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 Kernel panic - not syncing: panic_on_warn set ... Modules linked in: CPU: 1 PID: 7976 Comm: syz-executor217 Not tainted 4.14.279-syzkaller #0 CPU: 0 PID: 7978 Comm: syz-executor217 Not tainted 4.14.279-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: task: ffff888095fe8240 task.stack: ffff8880b3580000 __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 panic+0x1f9/0x42d kernel/panic.c:183 RSP: 0018:ffff8880b3587728 EFLAGS: 00010282 RAX: 0000000000000040 RBX: ffff888096bf1910 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878bc600 RDI: ffffed10166b0edb RBP: ffff8880b48ea9c0 R08: 0000000000000040 R09: 0000000000000000 __warn.cold+0x20/0x44 kernel/panic.c:547 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238ed6c40 R13: ffff8880b3e963c0 R14: ffff888096bf1918 R15: ffff8880a08d1658 FS: 00005555568bb300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 report_bug+0x208/0x250 lib/bug.c:183 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 CR2: 00007fff3b440000 CR3: 000000009aa28000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x28b/0x930 lib/kobject.c:229 RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xde/0x120 lib/kobject.c:436 RSP: 0018:ffff8880b3f27728 EFLAGS: 00010282 RAX: 0000000000000040 RBX: ffff888095a41950 RCX: 0000000000000000 gfs2_sys_fs_add+0x184/0x3f0 fs/gfs2/sys.c:652 RDX: 0000000000000000 RSI: ffffffff878bc600 RDI: ffffed10167e4edb RBP: ffff8880ab0f0d40 R08: 0000000000000040 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238ed6c40 R13: ffff8880b4fd6140 R14: ffff888095a41958 R15: ffff888096bf1918 fill_super+0x118b/0x2310 fs/gfs2/ops_fstype.c:1122 sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59 create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x28b/0x930 lib/kobject.c:229 kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xde/0x120 lib/kobject.c:436 gfs2_sys_fs_add+0x184/0x3f0 fs/gfs2/sys.c:652 gfs2_mount+0x439/0x510 fs/gfs2/ops_fstype.c:1335 fill_super+0x118b/0x2310 fs/gfs2/ops_fstype.c:1122 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a30 fs/namespace.c:2905 gfs2_mount+0x439/0x510 fs/gfs2/ops_fstype.c:1335 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 mount_fs+0x92/0x2a0 fs/super.c:1237 entry_SYSCALL_64_after_hwframe+0x46/0xbb vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 RIP: 0033:0x7f6e0af9eb6a vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a30 fs/namespace.c:2905 RSP: 002b:00007fff3b43f818 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6e0af9eb6a RDX: 0000000020000140 RSI: 0000000020000180 RDI: 00007fff3b43f820 RBP: 00007fff3b43f820 R08: 00007fff3b43f860 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 R13: 0000000000000000 R14: 00007fff3b43f860 R15: 00007fff3b43f9b0 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 Code: bd do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 ea entry_SYSCALL_64_after_hwframe+0x46/0xbb ff RIP: 0033:0x7f6e0af9eb6a ff RSP: 002b:00007fff3b43f818 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 ff RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6e0af9eb6a e9 RDX: 0000000020000140 RSI: 0000000020000180 RDI: 00007fff3b43f820 84 RBP: 00007fff3b43f820 R08: 00007fff3b43f860 R09: 0000000000000002 e4 R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 9f R13: 0000000000000000 R14: 00007fff3b43f860 R15: 00007fff3b43f9b0 fa 4c 89 ff e8 59 0e 7b fa eb da e8 32 56 51 fa 4c 89 ea 48 89 ee 48 c7 c7 40 b8 95 87 e8 88 fc fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 01 e4 7a fa e8 0c 56 51 fa 4d ---[ end trace 88e0074c82d1bbe0 ]--- Kernel Offset: disabled Rebooting in 86400 seconds..