audit: type=1400 audit(1585283435.137:36): avc: denied { map } for pid=7331 comm="syz-executor139" path="/root/syz-executor139017111" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 gfs2: fsid=trusted.Wverlay.upper: Trying to join cluster "lock_nolock", "trusted.Wverlay.upper" sysfs: cannot create duplicate filename '/fs/gfs2/trusted.Wverlay.upper' sysfs: cannot create duplicate filename '/fs/gfs2/trusted.Wverlay.upper' ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7340 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x2d fs/sysfs/dir.c:30 sysfs: cannot create duplicate filename '/fs/gfs2/trusted.Wverlay.upper' Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7340 Comm: syz-executor139 Not tainted 4.14.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7338 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x2d fs/sysfs/dir.c:30 Modules linked in: __warn.cold+0x2f/0x30 kernel/panic.c:547 CPU: 1 PID: 7338 Comm: syz-executor139 Not tainted 4.14.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88808fc2e080 task.stack: ffff8880989e0000 report_bug+0x20a/0x248 lib/bug.c:186 RIP: 0010:sysfs_warn_dup.cold+0x17/0x2d fs/sysfs/dir.c:30 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 RSP: 0018:ffff8880989e77c0 EFLAGS: 00010286 RAX: 0000000000000048 RBX: ffff88809ea29a50 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff86ac07e0 RDI: ffffed101313ceee invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RBP: ffff88809eb22580 R08: 0000000000000048 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882194fb540 RIP: 0010:sysfs_warn_dup.cold+0x17/0x2d fs/sysfs/dir.c:30 R13: ffff8880a16f43c0 R14: ffff88809ea29a68 R15: ffff88809eb29a18 FS: 00000000023de880(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 RSP: 0018:ffff888085c7f7c0 EFLAGS: 00010286 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffec8910798 CR3: 00000000a4271000 CR4: 00000000001406e0 RAX: 0000000000000048 RBX: ffff88809eb29a10 RCX: 0000000000000000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff86ac07e0 RDI: ffffed1010b8feee DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 RBP: ffff888085214180 R08: 0000000000000048 R09: 0000000000000000 Call Trace: R10: 0000000000000000 R11: 0000000000000000 R12: ffff8882194fb540 sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59 R13: ffff8880aa50d880 R14: ffff88809eb29a28 R15: ffff8880981619d8 create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x27f/0x830 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+0x27f/0x830 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+0x11a9/0x22a0 fs/gfs2/ops_fstype.c:1118 fill_super+0x11a9/0x22a0 fs/gfs2/ops_fstype.c:1118 gfs2_mount+0x433/0x4fc fs/gfs2/ops_fstype.c:1321 gfs2_mount+0x433/0x4fc fs/gfs2/ops_fstype.c:1321 mount_fs+0x92/0x2a0 fs/super.c:1237 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x3c0 fs/namespace.c:1046 vfs_kern_mount.part.0+0x5b/0x3c0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x3c9/0x24f0 fs/namespace.c:2879 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x3c9/0x24f0 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x447b6a RIP: 0033:0x447b6a RSP: 002b:00007ffff37e8db8 EFLAGS: 00000293 RSP: 002b:00007ffff37e8db8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffff37e8dc0 RCX: 0000000000447b6a RAX: ffffffffffffffda RBX: 00007ffff37e8dc0 RCX: 0000000000447b6a RDX: 00007ffff37e8dc0 RSI: 00000000200003c0 RDI: 00007ffff37e8de0 RDX: 00007ffff37e8dc0 RSI: 00000000200003c0 RDI: 00007ffff37e8de0 RBP: 0000000000000003 R08: 00007ffff37e8e20 R09: 000000000000000a RBP: 0000000000000003 R08: 00007ffff37e8e20 R09: 000000000000000a R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffff37e8e20 R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffff37e8e20 R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 Code: 44 5f 8a e8 c9 cc db ff eb d8 e8 c2 cc db ff e9 6d ff ff ff e8 f8 7a b2 ff 4c 89 ea 48 89 ee 48 c7 c7 e0 9d b5 86 e8 41 37 a1 ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 47 a5 db ff 90 90 90 90 90 90 ---[ end trace 374c88f51a5a1d9f ]--- Kernel Offset: disabled Rebooting in 86400 seconds..