[ 459.611867][ T28] audit: type=1804 audit(1598183065.355:8134): pid=24505 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir061041035/syzkaller.vfNGUf/188/bus" dev="sda1" ino=15813 res=1 errno=0 [ 459.641565][ T28] audit: type=1804 audit(1598183065.375:8135): pid=24504 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir061041035/syzkaller.vfNGUf/188/bus" dev="sda1" ino=15813 res=1 errno=0 [ 459.667653][ T28] audit: type=1804 audit(1598183065.375:8136): pid=24505 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir061041035/syzkaller.vfNGUf/188/bus" dev="sda1" ino=15813 res=1 errno=0 [ 459.691824][ T28] audit: type=1804 audit(1598183065.375:8137): pid=24511 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir061041035/syzkaller.vfNGUf/188/bus" dev="sda1" ino=15813 res=1 errno=0 [ 459.715250][ T28] audit: type=1804 audit(1598183065.435:8138): pid=24514 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir906723804/syzkaller.nLcf0f/189/bus" dev="sda1" ino=15769 res=1 errno=0 [ 459.739368][ T28] audit: type=1804 audit(1598183065.475:8139): pid=24516 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir033851239/syzkaller.GKs0Pf/188/bus" dev="sda1" ino=15812 res=1 errno=0 [ 459.766897][ T28] audit: type=1804 audit(1598183065.495:8140): pid=24515 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir033851239/syzkaller.GKs0Pf/188/bus" dev="sda1" ino=15812 res=1 errno=0 [ 459.789961][ T28] audit: type=1804 audit(1598183065.495:8141): pid=24516 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir033851239/syzkaller.GKs0Pf/188/bus" dev="sda1" ino=15812 res=1 errno=0 [ 459.813218][ T28] audit: type=1804 audit(1598183065.505:8142): pid=24520 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir580848177/syzkaller.tK416f/188/bus" dev="sda1" ino=15766 res=1 errno=0 [ 459.835871][ T28] audit: type=1804 audit(1598183065.505:8143): pid=24515 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir033851239/syzkaller.GKs0Pf/188/bus" dev="sda1" ino=15812 res=1 errno=0 [ 464.646710][ T28] kauditd_printk_skb: 153 callbacks suppressed [ 464.646713][ T28] audit: type=1804 audit(1598183070.386:8297): pid=24750 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir033851239/syzkaller.GKs0Pf/194/bus" dev="sda1" ino=15812 res=1 errno=0 [ 464.685582][ T28] audit: type=1804 audit(1598183070.426:8298): pid=24752 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir061041035/syzkaller.vfNGUf/194/bus" dev="sda1" ino=15811 res=1 errno=0 [ 464.719313][ T28] audit: type=1804 audit(1598183070.456:8299): pid=24755 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir780079002/syzkaller.qHJdeg/195/bus" dev="sda1" ino=15742 res=1 errno=0 [ 464.787979][ T28] audit: type=1804 audit(1598183070.526:8300): pid=24759 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir580848177/syzkaller.tK416f/194/bus" dev="sda1" ino=15766 res=1 errno=0 [ 465.217989][ T28] audit: type=1804 audit(1598183070.956:8301): pid=24762 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir755709480/syzkaller.JNEusb/194/bus" dev="sda1" ino=15769 res=1 errno=0 [ 465.261356][ T28] audit: type=1804 audit(1598183071.006:8302): pid=24730 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir755709480/syzkaller.JNEusb/194/bus" dev="sda1" ino=15769 res=1 errno=0 [ 465.285580][ T28] audit: type=1804 audit(1598183071.006:8303): pid=24761 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir755709480/syzkaller.JNEusb/194/bus" dev="sda1" ino=15769 res=1 errno=0 [ 465.309990][ T28] audit: type=1804 audit(1598183071.006:8304): pid=24763 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir755709480/syzkaller.JNEusb/194/bus" dev="sda1" ino=15769 res=1 errno=0 [ 465.312780][T24734] ------------[ cut here ]------------ [ 465.339351][T24734] kernel BUG at fs/ext4/inode.c:2599! [ 465.345280][T24734] invalid opcode: 0000 [#1] PREEMPT SMP [ 465.350799][T24734] CPU: 1 PID: 24734 Comm: syz-executor.0 Not tainted 5.8.0-syzkaller #0 [ 465.359082][T24734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 465.369121][T24734] RIP: 0010:mpage_prepare_extent_to_map+0x2ff/0x370 [ 465.375666][T24734] Code: f2 4c 89 f7 e8 82 96 e2 ff 0f 0b 49 8b 46 08 48 c7 c6 00 7e e3 83 48 8d 50 ff a8 01 4c 0f 45 f2 4c 89 f7 e8 63 96 e2 ff 0f 0b <0f> 0b 48 c7 c6 40 61 e3 83 4c 89 f7 e8 50 96 e2 ff 0f 0b 0f 0b 80 [ 465.395229][T24734] RSP: 0018:ffffc9000115b930 EFLAGS: 00010282 [ 465.401254][T24734] RAX: 017ffe000000a01f RBX: ffffc9000115b960 RCX: ffff88810eade240 [ 465.409189][T24734] RDX: 0000000000000000 RSI: ffffc9000115b8c8 RDI: ffffffff8420ac80 [ 465.417129][T24734] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001 [ 465.425063][T24734] R10: 0000000000000000 R11: 5791b0293e2a3561 R12: 7fffffffffffffff [ 465.433007][T24734] R13: ffff888110a798a0 R14: ffffea000465aec0 R15: ffffc9000115baa0 [ 465.440949][T24734] FS: 00007f51c04c1700(0000) GS:ffff88812c100000(0000) knlGS:0000000000000000 [ 465.449838][T24734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 465.456499][T24734] CR2: 00007f63be3aadb8 CR3: 000000011de33000 CR4: 00000000001506e0 [ 465.464450][T24734] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 465.472424][T24734] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 465.480357][T24734] Call Trace: [ 465.483611][T24734] ? ext4_add_entry+0x115/0x480 [ 465.488424][T24734] ? kmem_cache_alloc+0x341/0x730 [ 465.493412][T24734] ? _raw_spin_unlock_irq+0x3a/0x50 [ 465.498578][T24734] ? tag_pages_for_writeback+0x197/0x200 [ 465.504174][T24734] ext4_writepages+0x369/0x1190 [ 465.508996][T24734] ? ext4_journal_check_start+0x17/0x90 [ 465.514510][T24734] ? do_writepages+0x39/0xe0 [ 465.519061][T24734] do_writepages+0x39/0xe0 [ 465.523441][T24734] __filemap_fdatawrite_range+0xc6/0x100 [ 465.529039][T24734] filemap_write_and_wait_range+0x36/0x90 [ 465.534727][T24734] iomap_dio_rw+0x18c/0x550 [ 465.539203][T24734] ? lock_acquire+0xd0/0x3e0 [ 465.543760][T24734] ? ext4_file_read_iter+0xff/0x150 [ 465.548938][T24734] ext4_file_read_iter+0xff/0x150 [ 465.553926][T24734] generic_file_splice_read+0xf3/0x1a0 [ 465.559345][T24734] splice_direct_to_actor+0xd7/0x240 [ 465.564591][T24734] ? do_splice_from+0x30/0x30 [ 465.569228][T24734] do_splice_direct+0x9a/0xd0 [ 465.573952][T24734] do_sendfile+0x1d5/0x400 [ 465.578335][T24734] __x64_sys_sendfile64+0xab/0xc0 [ 465.583331][T24734] do_syscall_64+0x2d/0x70 [ 465.587713][T24734] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 465.593565][T24734] RIP: 0033:0x45d4d9 [ 465.597419][T24734] Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 465.616985][T24734] RSP: 002b:00007f51c04c0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 465.625353][T24734] RAX: ffffffffffffffda RBX: 0000000000027880 RCX: 000000000045d4d9 [ 465.633288][T24734] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004 [ 465.641263][T24734] RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 [ 465.649203][T24734] R10: 00008400fffffffb R11: 0000000000000246 R12: 000000000118cf4c [ 465.657139][T24734] R13: 00007ffdbee38f4f R14: 00007f51c04c19c0 R15: 000000000118cf4c [ 465.665083][T24734] Modules linked in: [ 465.669658][T24734] ---[ end trace 33a28d16d6540f96 ]--- [ 465.674691][ T28] audit: type=1804 audit(1598183071.416:8305): pid=24771 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir033851239/syzkaller.GKs0Pf/194/bus" dev="sda1" ino=15812 res=1 errno=0 [ 465.675175][T24734] RIP: 0010:mpage_prepare_extent_to_map+0x2ff/0x370 [ 465.702224][ T28] audit: type=1804 audit(1598183071.416:8306): pid=24778 uid=0 auid=0 ses=8 subj=_ op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir780079002/syzkaller.qHJdeg/195/bus" dev="sda1" ino=15742 res=1 errno=0 [ 465.704348][T24734] Code: f2 4c 89 f7 e8 82 96 e2 ff 0f 0b 49 8b 46 08 48 c7 c6 00 7e e3 83 48 8d 50 ff a8 01 4c 0f 45 f2 4c 89 f7 e8 63 96 e2 ff 0f 0b <0f> 0b 48 c7 c6 40 61 e3 83 4c 89 f7 e8 50 96 e2 ff 0f 0b 0f 0b 80 [ 465.746505][T24734] RSP: 0018:ffffc9000115b930 EFLAGS: 00010282 [ 465.755848][T24734] RAX: 017ffe000000a01f RBX: ffffc9000115b960 RCX: ffff88810eade240 [ 465.774264][T24734] RDX: 0000000000000000 RSI: ffffc9000115b8c8 RDI: ffffffff8420ac80 [ 465.783706][T24734] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001 [ 465.793072][T24734] R10: 0000000000000000 R11: 5791b0293e2a3561 R12: 7fffffffffffffff [ 465.801547][T24734] R13: ffff888110a798a0 R14: ffffea000465aec0 R15: ffffc9000115baa0 [ 465.817506][T24734] FS: 00007f51c04c1700(0000) GS:ffff88812c100000(0000) knlGS:0000000000000000 [ 465.833308][T24734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 465.841127][T24734] CR2: 000056508738a030 CR3: 000000011de33000 CR4: 00000000001506e0 [ 465.850642][T24734] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 465.862531][T24734] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 465.870710][T24734] Kernel panic - not syncing: Fatal exception [ 465.878140][T24734] Kernel Offset: disabled [ 465.882438][T24734] Rebooting in 86400 seconds..