loop0: detected capacity change from 0 to 16
erofs (device loop0): mounted with root inode @ nid 36.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5318 at fs/dax.c:1729 dax_iomap_rw+0xe34/0xed0 fs/dax.c:1729
Modules linked in:
CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:dax_iomap_rw+0xe34/0xed0 fs/dax.c:1729
Code: ff ff 49 bd 00 00 00 00 00 fc ff df eb 84 e8 73 ab 6e ff 90 0f 0b 90 80 8c 24 c4 01 00 00 01 e9 b9 f4 ff ff e8 5d ab 6e ff 90 <0f> 0b 90 e9 ab f4 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 56 f3
RSP: 0018:ffffc9000fd369a0 EFLAGS: 00010283
RAX: ffffffff8251a833 RBX: ffffc9000fd36d60 RCX: 0000000000100000
RDX: ffffc9000dc3a000 RSI: 000000000000062b RDI: 000000000000062c
RBP: ffffc9000fd36c90 R08: ffffc9000fd36bff R09: 0000000000000000
R10: ffffc9000fd36b58 R11: fffff52001fa6d80 R12: 1ffff92001fa6dac
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f73479876c0(0000) GS:ffff88808d301000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7347986fc8 CR3: 000000004280a000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __kernel_read+0x4cf/0x960 fs/read_write.c:530
 integrity_kernel_read+0x89/0xd0 security/integrity/iint.c:28
 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:480 [inline]
 ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline]
 ima_calc_file_hash+0x85e/0x16f0 security/integrity/ima/ima_crypto.c:568
 ima_collect_measurement+0x428/0x8f0 security/integrity/ima/ima_api.c:293
 process_measurement+0x1121/0x1a40 security/integrity/ima/ima_main.c:405
 ima_file_check+0xd7/0x120 security/integrity/ima/ima_main.c:633
 security_file_post_open+0xbb/0x290 security/security.c:3199
 do_open fs/namei.c:3977 [inline]
 path_openat+0x2f26/0x3830 fs/namei.c:4134
 do_filp_open+0x1fa/0x410 fs/namei.c:4161
 do_sys_openat2+0x121/0x1c0 fs/open.c:1437
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_open fs/open.c:1460 [inline]
 __se_sys_open fs/open.c:1456 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1456
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7346b8eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7347987038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f7346de5fa0 RCX: 00007f7346b8eec9
RDX: 0000000000000032 RSI: 0000000000000000 RDI: 0000200000000080
RBP: 00007f7346c11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7346de6038 R14: 00007f7346de5fa0 R15: 00007fff09db6038
 </TASK>