hpfs: Bad magic ... probably not HPFS gfs2: fsid=syz:syz: Now mounting FS... sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10180 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 1 PID: 10180 Comm: syz-executor.1 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x21d/0x451 kernel/panic.c:247 check_panic_on_warn.cold+0x19/0x35 kernel/panic.c:171 __warn+0xdf/0x1e0 kernel/panic.c:603 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 10163 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 report_bug+0x208/0x250 lib/bug.c:183 Modules linked in: 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: 10163 Comm: syz-executor.3 Not tainted 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 task: ffff8880aa4d0240 task.stack: ffff8880585f0000 RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 RSP: 0018:ffff8880585f7728 EFLAGS: 00010282 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967 RAX: 000000000000003a RBX: ffff8880a5ba43d0 RCX: 0000000000000000 RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 RDX: 000000000001457c RSI: ffffffff81444380 RDI: ffffed100b0beedb RSP: 0018:ffff888058f57728 EFLAGS: 00010282 RBP: ffff8880a4084580 R08: 000000000000003a R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0853ee0 RAX: 000000000000003a RBX: ffff8880583d4950 RCX: 0000000000000000 RDX: 00000000000135bf RSI: ffffffff81444380 RDI: ffffed100b1eaedb R13: ffff88809d655040 R14: ffff8880a5ba43d8 R15: ffff8880583d4958 RBP: ffff8880aeb12900 R08: 000000000000003a R09: 0000000000000000 FS: 00007f743acfc700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0853ee0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: ffff8880a321fc00 R14: ffff8880583d4958 R15: ffff888058734918 CR2: 00007f09efc00000 CR3: 00000000ab7d9000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x28b/0x930 lib/kobject.c:229 Call Trace: kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xde/0x120 lib/kobject.c:436 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_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 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a30 fs/namespace.c:2905 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 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 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 RIP: 0033:0x7f865365662a entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RSP: 002b:00007f8651bc6f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RIP: 0033:0x7f743c78b62a RAX: ffffffffffffffda RBX: 000000000001f65e RCX: 00007f865365662a RSP: 002b:00007f743acfbf88 EFLAGS: 00000202 RDX: 000000002001f680 RSI: 000000002001f6c0 RDI: 00007f8651bc6fe0 ORIG_RAX: 00000000000000a5 RBP: 00007f8651bc7020 R08: 00007f8651bc7020 R09: 0000000000000000 RAX: ffffffffffffffda RBX: 000000000003b272 RCX: 00007f743c78b62a R10: 0000000000000000 R11: 0000000000000202 R12: 000000002001f680 R13: 000000002001f6c0 R14: 00007f8651bc6fe0 R15: 000000002001f700 RDX: 000000002003b280 RSI: 000000002003b2c0 RDI: 00007f743acfbfe0 RBP: 00007f743acfc020 R08: 00007f743acfc020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002003b280 R13: 000000002003b2c0 R14: 00007f743acfbfe0 R15: 000000002003b300 Code: bd ea ff ff ff e9 4f 9c 9f fa 4c 89 ff e8 b4 b6 7a fa eb da e8 fd f3 50 fa 4c 89 ea 48 89 ee 48 c7 c7 80 c8 95 87 e8 fd fb fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 8c 8c 7a fa e8 d7 f3 50 fa 4d ---[ end trace fde5ab0fb2c528e9 ]--- Kernel Offset: disabled Rebooting in 86400 seconds..