audit: type=1804 audit(1580572418.208:181): pid=19045 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir515578124/syzkaller.4agGKo/457/bus" dev="sda1" ino=17531 res=1 loop4: partition table beyond EOD, truncated EXT4-fs (sda1): re-mounted. Opts: kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN loop_reread_partitions: partition scan of loop4 () failed (rc=-5) CPU: 1 PID: 19049 Comm: blkid Not tainted 4.19.101-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_last fs/namei.c:3262 [inline] RIP: 0010:path_openat+0x293/0x4500 fs/namei.c:3537 Code: 80 3c 02 00 0f 85 fa 34 00 00 48 8b 85 28 ff ff ff 48 8b 58 58 48 b8 00 00 00 00 00 fc ff df 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 b7 RSP: 0018:ffff88805888fae0 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81b02b3e RDX: 0000000000000000 RSI: ffffffff81b02b4c RDI: 0000000000000004 RBP: ffff88805888fc60 R08: ffff88804b68c400 R09: 0000000000000001 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 R13: ffff88805888fe60 R14: ffff88805888fe60 R15: ffff88805888fca0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000008f8c6000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: audit: type=1800 audit(1580572418.208:182): pid=19045 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.5" name="bus" dev="sda1" ino=17531 res=0 do_filp_open+0x1a1/0x280 fs/namei.c:3567 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fdd60c5b1a7 Code: c3 66 90 c7 05 fa af 20 00 16 00 00 00 b8 ff ff ff ff c3 f7 d8 89 05 ec af 20 00 83 c8 ff c3 90 90 90 90 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d cd af 20 00 31 d2 48 29 c2 89 RSP: 002b:00007fffd9e18ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000400f31 RCX: 00007fdd60c5b1a7 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007fdd60c5f282 RBP: 0000000000000001 R08: 00007fdd60e66570 R09: 0000000000000000 R10: ffffffffffffffb0 R11: 0000000000000246 R12: 00007fdd60e66090 R13: 00007fdd60e65040 R14: 0000000000000000 R15: 00007fdd60e66570 Modules linked in: ---[ end trace 03bccd0babb461bd ]--- RIP: 0010:do_last fs/namei.c:3262 [inline] RIP: 0010:path_openat+0x293/0x4500 fs/namei.c:3537 Code: 80 3c 02 00 0f 85 fa 34 00 00 48 8b 85 28 ff ff ff 48 8b 58 58 48 b8 00 00 00 00 00 fc ff df 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 b7 RSP: 0018:ffff88805888fae0 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff81b02b3e RDX: 0000000000000000 RSI: ffffffff81b02b4c RDI: 0000000000000004 RBP: ffff88805888fc60 R08: ffff88804b68c400 R09: 0000000000000001 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 R13: ffff88805888fe60 R14: ffff88805888fe60 R15: ffff88805888fca0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 000000008f8c6000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400