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kernel BUG at fs/ext4/inode.c:2795!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10154 Comm: syz-executor.3 Not tainted 5.4.85-syzkaller-00187-g4aa7a7c97391 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_writepages+0x3f1c/0x3f30 fs/ext4/inode.c:2794
Code: a0 ff 0f 0b e8 d5 cf a0 ff 0f 0b e8 ce cf a0 ff 0f 0b e8 97 82 78 ff e8 c2 cf a0 ff 0f 0b e8 bb cf a0 ff 0f 0b e8 b4 cf a0 ff <0f> 0b e8 ad cf a0 ff 0f 0b 90 66 2e 0f 1f 84 00 00 00 00 00 53 48
RSP: 0018:ffff8881e5857460 EFLAGS: 00010283
RAX: ffffffff81c3ef4c RBX: 0000010000000000 RCX: 0000000000040000
RDX: ffffc90004316000 RSI: 000000000000088b RDI: 000000000000088c
RBP: ffff8881e5857830 R08: ffffffff81c3ba9f R09: ffffed103c086151
R10: ffffed103c086151 R11: 0000000000000000 R12: ffff8881e0430b30
R13: ffff8881e58579a0 R14: 0000018410000000 R15: dffffc0000000000
FS:  00007f47a944e700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000400200 CR3: 00000001eda1b000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x13a/0x280 mm/page-writeback.c:2344
 __filemap_fdatawrite_range mm/filemap.c:421 [inline]
 file_write_and_wait_range+0x36c/0x470 mm/filemap.c:782
 __generic_file_fsync+0x6e/0x190 fs/libfs.c:1006
 ext4_sync_file+0x4b7/0xc80 fs/ext4/fsync.c:118
 generic_write_sync include/linux/fs.h:2945 [inline]
 ext4_file_write_iter+0x988/0x1070 fs/ext4/file.c:281
 call_write_iter include/linux/fs.h:1962 [inline]
 new_sync_write fs/read_write.c:483 [inline]
 __vfs_write+0x59c/0x720 fs/read_write.c:496
 vfs_write+0x217/0x4f0 fs/read_write.c:558
 ksys_write+0x186/0x2b0 fs/read_write.c:611
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e149
Code: 0d 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f47a944dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e149
RDX: 0000000000000082 RSI: 0000000020000180 RDI: 0000000000000008
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffed32d1eff R14: 00007f47a944e9c0 R15: 000000000119bf8c
Modules linked in:
---[ end trace d4aaf7991144d54f ]---
RIP: 0010:ext4_writepages+0x3f1c/0x3f30 fs/ext4/inode.c:2794
Code: a0 ff 0f 0b e8 d5 cf a0 ff 0f 0b e8 ce cf a0 ff 0f 0b e8 97 82 78 ff e8 c2 cf a0 ff 0f 0b e8 bb cf a0 ff 0f 0b e8 b4 cf a0 ff <0f> 0b e8 ad cf a0 ff 0f 0b 90 66 2e 0f 1f 84 00 00 00 00 00 53 48
RSP: 0018:ffff8881e5857460 EFLAGS: 00010283
RAX: ffffffff81c3ef4c RBX: 0000010000000000 RCX: 0000000000040000
RDX: ffffc90004316000 RSI: 000000000000088b RDI: 000000000000088c
RBP: ffff8881e5857830 R08: ffffffff81c3ba9f R09: ffffed103c086151
R10: ffffed103c086151 R11: 0000000000000000 R12: ffff8881e0430b30
R13: ffff8881e58579a0 R14: 0000018410000000 R15: dffffc0000000000
FS:  00007f47a944e700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47a93eadb8 CR3: 00000001eda1b000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400