sysfs: cannot create duplicate filename '/fs/gfs2/mounts' gfs2: fsid=mounts: Trying to join cluster "lock_nolock", "mounts" ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7993 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 sysfs: cannot create duplicate filename '/fs/gfs2/mounts' Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7993 Comm: syz-executor355 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 sysfs: cannot create duplicate filename '/fs/gfs2/mounts' __warn.cold+0x20/0x44 kernel/panic.c:547 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7996 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 Modules linked in: report_bug+0x208/0x250 lib/bug.c:183 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 CPU: 0 PID: 7996 Comm: syz-executor355 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 task: ffff88809580a440 task.stack: ffff888096170000 RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967 RSP: 0018:ffff888096177728 EFLAGS: 00010282 RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 RSP: 0018:ffff8880b355f728 EFLAGS: 00010282 RAX: 0000000000000039 RBX: ffff8880b1aadd10 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012c2eedb RAX: 0000000000000039 RBX: ffff8880b2aa1cd0 RCX: 0000000000000000 RBP: ffff88809563c500 R08: 0000000000000039 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88823882a7e0 RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed10166abedb R13: ffff8880b4000180 R14: ffff8880b1aadd18 R15: ffff8880b2aa1cd8 RBP: ffff8880b37a2800 R08: 0000000000000039 R09: 0000000000000000 FS: 00005555555cb300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88823882a7e0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: ffff8880b43b1040 R14: ffff8880b2aa1cd8 R15: ffff8880b299dc98 CR2: 00005584cda81150 CR3: 00000000a59ce000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59 Call Trace: create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x28b/0x930 lib/kobject.c:229 sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59 kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xde/0x120 lib/kobject.c:436 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_sys_fs_add+0x184/0x3f0 fs/gfs2/sys.c:652 fill_super+0x118b/0x2310 fs/gfs2/ops_fstype.c:1127 fill_super+0x118b/0x2310 fs/gfs2/ops_fstype.c:1127 gfs2_mount+0x439/0x510 fs/gfs2/ops_fstype.c:1340 gfs2_mount+0x439/0x510 fs/gfs2/ops_fstype.c:1340 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 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 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 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f1ef28e897a do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 RSP: 002b:00007ffca569e348 EFLAGS: 00000282 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 ORIG_RAX: 00000000000000a5 RIP: 0033:0x7f1ef28e897a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1ef28e897a RSP: 002b:00007ffca569e348 EFLAGS: 00000282 RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007ffca569e350 ORIG_RAX: 00000000000000a5 RBP: 00007ffca569e350 R08: 00007ffca569e390 R09: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1ef28e897a R10: 0000000002000819 R11: 0000000000000282 R12: 0000000000000004 RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007ffca569e350 R13: 00005555555cb2c0 R14: 00007ffca569e390 R15: 0000000000000000 RBP: 00007ffca569e350 R08: 00007ffca569e390 R09: 0000000000000002 R10: 0000000002000819 R11: 0000000000000282 R12: 0000000000000004 R13: 00005555555cb2c0 R14: 00007ffca569e390 R15: 0000000000000000 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 ---[ end trace d2bcbc24bfa2f2bc ]--- Kernel Offset: disabled Rebooting in 86400 seconds..