Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 1245 Comm: blkid Not tainted 4.14.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a11dc080 task.stack: ffff8881412f0000 RIP: 0010:do_last fs/namei.c:3269 [inline] RIP: 0010:path_openat+0x20b/0x3db0 fs/namei.c:3569 RSP: 0018:ffff8881412f7b28 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0001020304050608 RDX: 0000000000000000 RSI: 1ffff1102825ef56 RDI: 0000000000000004 RBP: ffff8881412f7c80 R08: ffff8880a11dc080 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000003 R12: ffff8881412f7cc0 R13: ffff8881412f7cc0 R14: ffff88807d97d580 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0b4dce0298 CR3: 000000008f1c2000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_filp_open+0x18e/0x250 fs/namei.c:3603 do_sys_open+0x2c5/0x430 fs/open.c:1084 SYSC_open fs/open.c:1102 [inline] SyS_open+0x2d/0x40 fs/open.c:1097 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7f4d97edc1a7 RSP: 002b:00007fff4d41bc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000400f31 RCX: 00007f4d97edc1a7 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f4d97ee0282 RBP: 0000000000000001 R08: 00007f4d980e7570 R09: 0000000000000000 R10: ffffffffffffffb0 R11: 0000000000000246 R12: 00007f4d980e7090 R13: 00007f4d980e6040 R14: 0000000000000000 R15: 00007f4d980e7570 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 03 30 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5e 58 48 8d 7b 04 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP: do_last fs/namei.c:3269 [inline] RSP: ffff8881412f7b28 RIP: path_openat+0x20b/0x3db0 fs/namei.c:3569 RSP: ffff8881412f7b28 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 3824 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 335855 pages reserved FAT-fs (loop5): bogus number of reserved sectors FAT-fs (loop5): Can't find a valid FAT filesystem 0 pages cma reserved Out of memory: Kill process 1160 (syz-executor.2) score 1007 or sacrifice child Killed process 1160 (syz-executor.2) total-vm:72984kB, anon-rss:16560kB, file-rss:35656kB, shmem-rss:0kB ---[ end trace c3f084f058704b00 ]---