syzbot

fs-verity: sha256 using implementation "sha256-avx2"
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WARNING: CPU: 1 PID: 5071 at fs/read_write.c:414 __kernel_read+0x787/0x8a0
Modules linked in:
CPU: 1 PID: 5071 Comm: syz-executor348 Not tainted 6.2.0-syzkaller-02172-g9e58df973d22 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
RIP: 0010:__kernel_read+0x787/0x8a0 fs/read_write.c:414
Code: 25 28 00 00 00 48 3b 84 24 40 01 00 00 0f 85 29 01 00 00 4c 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 49 1e 9c ff <0f> 0b 49 c7 c6 ea ff ff ff eb 9d e8 39 1e 9c ff 49 bd 00 00 00 00
RSP: 0018:ffffc90003ddf2a0 EFLAGS: 00010293
RAX: ffffffff81efe5c7 RBX: 000000004858801c RCX: ffff88802bc50000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003ddf430 R08: ffffffff81efdfb8 R09: ffffc90003ddf390
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920007bbe6c
R13: dffffc0000000000 R14: ffffc90003ddf360 R15: 1ffff920007bbe60
FS:  00005555556f1300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005fdeb8 CR3: 000000001c0f8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 build_merkle_tree fs/verity/enable.c:112 [inline]
 enable_verity+0xa7e/0x1ea0 fs/verity/enable.c:251
 fsverity_ioctl_enable+0x430/0x5d0 fs/verity/enable.c:369
 __ext4_ioctl fs/ext4/ioctl.c:1576 [inline]
 ext4_ioctl+0x19ea/0x6200 fs/ext4/ioctl.c:1610
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4ede4f7b89
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff08cb8208 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4ede4f7b89
RDX: 0000000020000240 RSI: 0000000040806685 RDI: 0000000000000003
RBP: 00007f4ede4bbd30 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4ede4bbdc0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>