syz1 gfs2: can't parse mount arguments mems_allowed=0-1 ------------[ cut here ]------------ CPU: 1 PID: 10812 Comm: syz-executor.1 Not tainted 4.14.167-syzkaller #0 WARNING: CPU: 0 PID: 10817 at fs/super.c:1163 kill_block_super+0xc9/0xf0 fs/super.c:1163 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Kernel panic - not syncing: panic_on_warn set ... Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __vmalloc_node_range mm/vmalloc.c:1786 [inline] __vmalloc_node_range+0x3c3/0x6a0 mm/vmalloc.c:1746 __vmalloc_node mm/vmalloc.c:1815 [inline] __vmalloc_node_flags mm/vmalloc.c:1829 [inline] vmalloc+0x46/0x50 mm/vmalloc.c:1851 sel_write_load+0x1a0/0x1050 security/selinux/selinuxfs.c:495 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45b349 RSP: 002b:00007f76bb2b4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f76bb2b56d4 RCX: 000000000045b349 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000cb1 R14: 00000000004cd905 R15: 000000000075bf2c CPU: 0 PID: 10817 Comm: syz-executor.3 Not tainted 4.14.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 syz-executor.1: Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x2f kernel/panic.c:547 vmalloc: allocation failure: 0 bytes report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 , mode:0x14000c0(GFP_KERNEL), nodemask= do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 (null) invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:kill_block_super+0xc9/0xf0 fs/super.c:1163 RSP: 0018:ffff8881fef27b98 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000a658000 RDX: 0000000000040000 RSI: ffffffff818fee89 RDI: ffff888097c904e0 RBP: ffff8881fef27bb0 R08: ffff8880995663c0 R09: 0000000000000001 R10: 0000000000000000 R11: ffff8880995663c0 R12: ffff8880541ee500 R13: ffff888097c90140 R14: ffff8880541ee500 R15: dffffc0000000000 deactivate_locked_super+0x74/0xe0 fs/super.c:319 sget_userns+0x9d9/0xc30 fs/super.c:537 syz-executor.1 cpuset= sget+0xd6/0x120 fs/super.c:572 mount_bdev+0xd5/0x370 fs/super.c:1107 ocfs2_mount+0x35/0x40 fs/ocfs2/super.c:1226 mount_fs+0x97/0x2a1 fs/super.c:1237 syz1 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046 mems_allowed=0-1 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x417/0x27d0 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3072 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45b349 RSP: 002b:00007f214582cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f214582d6d4 RCX: 000000000045b349 RDX: 0000000020000000 RSI: 00000000200000c0 RDI: 0000000020000080 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 0000000000000744 R14: 00000000004c8bd8 R15: 000000000000000d CPU: 1 PID: 10826 Comm: syz-executor.1 Not tainted 4.14.167-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+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __vmalloc_node_range mm/vmalloc.c:1786 [inline] __vmalloc_node_range+0x3c3/0x6a0 mm/vmalloc.c:1746 __vmalloc_node mm/vmalloc.c:1815 [inline] __vmalloc_node_flags mm/vmalloc.c:1829 [inline] vmalloc+0x46/0x50 mm/vmalloc.c:1851 sel_write_load+0x1a0/0x1050 security/selinux/selinuxfs.c:495 __vfs_write+0x105/0x6b0 fs/read_write.c:480 vfs_write+0x198/0x500 fs/read_write.c:544 SYSC_write fs/read_write.c:590 [inline] SyS_write+0xfd/0x230 fs/read_write.c:582 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45b349 RSP: 002b:00007f76bb293c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f76bb2946d4 RCX: 000000000045b349 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000cb1 R14: 00000000004cd905 R15: 000000000075bfd4 Kernel Offset: disabled Rebooting in 86400 seconds..