active_file:11619 inactive_file:10552 isolated_file:1 unevictable:3072 dirty:0 writeback:0 unstable:0 slab_reclaimable:17897 slab_unreclaimable:180148 mapped:58829 shmem:316 pagetables:27300 bounce:0 free:283864 free_pcp:631 free_cma:0 general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 30196 Comm: blkid Not tainted 4.14.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Node 0 active_anon:1615212kB inactive_anon:70320kB active_file:20kB inactive_file:0kB unevictable:12288kB isolated(anon):0kB isolated(file):4kB mapped:208916kB dirty:4kB writeback:0kB shmem:1028kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1050624kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no task: ffff8880655284c0 task.stack: ffff888180e38000 RIP: 0010:do_last fs/namei.c:3269 [inline] RIP: 0010:path_openat+0x20b/0x3db0 fs/namei.c:3569 RSP: 0018:ffff888180e3fb28 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0001020304050608 RDX: 0000000000000000 RSI: 1ffff110301c7f56 RDI: 0000000000000004 RBP: ffff888180e3fc80 R08: ffff8880655284c0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000003 R12: ffff888180e3fcc0 R13: ffff888180e3fcc0 R14: ffff88809133dce0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002bc9b810 CR3: 0000000209ae8000 CR4: 00000000001426f0 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 Node 1 active_anon:2250944kB inactive_anon:224kB active_file:46456kB inactive_file:42212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:26400kB dirty:0kB writeback:0kB shmem:236kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7f65696821a7 RSP: 002b:00007ffcec64a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000400f31 RCX: 00007f65696821a7 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f6569686282 RBP: 0000000000000001 R08: 00007f656988d570 R09: 0000000000000000 R10: ffffffffffffffb0 R11: 0000000000000246 R12: 00007f656988d090 R13: 00007f656988c040 R14: 0000000000000000 R15: 00007f656988d570 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: ffff888180e3fb28 RIP: path_openat+0x20b/0x3db0 fs/namei.c:3569 RSP: ffff888180e3fb28 Node 0 DMA free:10460kB min:216kB low:268kB high:320kB active_anon:4252kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2569 2569 2569 2569 Node 0 DMA32 free:27160kB min:36384kB low:45480kB high:54576kB active_anon:1610960kB inactive_anon:70320kB active_file:20kB inactive_file:0kB unevictable:12288kB writepending:0kB present:3129332kB managed:2634396kB mlocked:12288kB kernel_stack:19936kB pagetables:65364kB bounce:0kB free_pcp:380kB local_pcp:220kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:1099856kB min:53504kB low:66880kB high:80256kB active_anon:2246600kB inactive_anon:24kB active_file:46556kB inactive_file:41912kB unevictable:0kB writepending:84kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:18528kB pagetables:43536kB bounce:0kB free_pcp:1320kB local_pcp:628kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 9*4kB (UME) 33*8kB (UEH) 25*16kB (UEH) 7*32kB (UMH) 3*64kB (MEH) 1*128kB (E) 2*256kB (ME) 3*512kB (UME) 3*1024kB (UME) 2*2048kB (UE) 0*4096kB = 10460kB Node 0 DMA32: 1255*4kB (UMEH) 687*8kB (UMEH) 227*16kB (UMEH) 165*32kB (UM) 101*64kB (UM) 3*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 26276kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 405*4kB (UME) 766*8kB (UME) 220*16kB (UME) 488*32kB (UME) 133*64kB (UME) 30*128kB (M) 28*256kB (UME) 8*512kB (ME) 8*1024kB (UME) 5*2048kB (ME) 252*4096kB (M) = 1101124kB 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 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 22402 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 0 pages cma reserved ---[ end trace 266977f28430f13e ]--- ISOFS: Unable to identify CD-ROM format.