RDX: 0000000000000001 RSI: 0000000020c22000 RDI: 0000000000001b36
RBP: 00007fd10e23108d R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020c22fa0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcbee75c1f R14: 00007fd10d30b300 R15: 0000000000022000
---[ end trace 65b20d2359b8a8ab ]---
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2648!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 8199 Comm: syz-executor.2 Tainted: G        W         5.10.108-syzkaller-00653-gab2d1d40a128 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mpage_prepare_extent_to_map+0xbe9/0xc00 fs/ext4/inode.c:2648
Code: e8 6c d8 c9 ff e9 80 f6 ff ff 44 89 e9 80 e1 07 38 c1 0f 8c a6 fe ff ff 4c 89 ef e8 51 d8 c9 ff e9 99 fe ff ff e8 67 d2 8f ff <0f> 0b e8 60 d2 8f ff 0f 0b e8 79 f3 b8 02 66 0f 1f 84 00 00 00 00
RSP: 0018:ffffc9000622f060 EFLAGS: 00010293
RAX: ffffffff81dd23c9 RBX: 0000000000000000 RCX: ffff88810f8613c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000622f230 R08: ffffffff81dd2041 R09: fffff94000aca199
R10: fffff94000aca199 R11: 0000000000000000 R12: ffffea0005650cc0
R13: ffffc9000622f120 R14: 00000000000000f8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7cd86c8058 CR3: 0000000146892000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_writepages+0xcbb/0x3950 fs/ext4/inode.c:2777
 do_writepages+0x13a/0x280 mm/page-writeback.c:2358
 __filemap_fdatawrite_range+0x356/0x420 mm/filemap.c:427
 __filemap_fdatawrite mm/filemap.c:435 [inline]
 filemap_flush+0x23/0x30 mm/filemap.c:462
 ext4_alloc_da_blocks+0x71/0x180 fs/ext4/inode.c:3200
 ext4_release_file+0x84/0x320 fs/ext4/file.c:144
 __fput+0x348/0x7d0 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x147/0x1b0 kernel/task_work.c:154
 exit_task_work include/linux/task_work.h:30 [inline]
 do_exit+0x668/0x2300 kernel/exit.c:813
 do_group_exit+0x16a/0x2d0 kernel/exit.c:910
 get_signal+0x131f/0x1f70 kernel/signal.c:2780
 arch_do_signal+0x8d/0x620 arch/x86/kernel/signal.c:805
 exit_to_user_mode_loop kernel/entry/common.c:161 [inline]
 exit_to_user_mode_prepare+0xaa/0xe0 kernel/entry/common.c:191
 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266
 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fd10e1d7049
Code: Unable to access opcode bytes at RIP 0x7fd10e1d701f.
RSP: 002b:00007fd10d30b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: 0000000000001f80 RBX: 00007fd10e2ea100 RCX: 00007fd10e1d7049
RDX: 0000000000000001 RSI: 0000000020c22000 RDI: 0000000000001b36
RBP: 00007fd10e23108d R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020c22fa0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcbee75c1f R14: 00007fd10d30b300 R15: 0000000000022000
Modules linked in:
---[ end trace 65b20d2359b8a8ac ]---
RIP: 0010:mpage_prepare_extent_to_map+0xbe9/0xc00 fs/ext4/inode.c:2648
Code: e8 6c d8 c9 ff e9 80 f6 ff ff 44 89 e9 80 e1 07 38 c1 0f 8c a6 fe ff ff 4c 89 ef e8 51 d8 c9 ff e9 99 fe ff ff e8 67 d2 8f ff <0f> 0b e8 60 d2 8f ff 0f 0b e8 79 f3 b8 02 66 0f 1f 84 00 00 00 00
RSP: 0018:ffffc9000622f060 EFLAGS: 00010293
RAX: ffffffff81dd23c9 RBX: 0000000000000000 RCX: ffff88810f8613c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000622f230 R08: ffffffff81dd2041 R09: fffff94000aca199
R10: fffff94000aca199 R11: 0000000000000000 R12: ffffea0005650cc0
R13: ffffc9000622f120 R14: 00000000000000f8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7cd86c8058 CR3: 0000000146892000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400