fs-verity: sha256 using implementation "sha256-avx2" ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8792 at fs/read_write.c:414 __kernel_read+0x787/0x8a0 Modules linked in: CPU: 0 PID: 8792 Comm: syz-executor.2 Not tainted 6.2.0-syzkaller-13163-g04a357b1f6f0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 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 39 93 9a ff <0f> 0b 49 c7 c6 ea ff ff ff eb 9d e8 29 93 9a ff 49 bd 00 00 00 00 RSP: 0018:ffffc90004aef2a0 EFLAGS: 00010283 RAX: ffffffff81f22a67 RBX: 000000004858801c RCX: 0000000000040000 RDX: ffffc9000abe1000 RSI: 000000000000a2de RDI: 000000000000a2df RBP: ffffc90004aef430 R08: ffffffff81f22458 R09: ffffc90004aef390 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200095de6c R13: dffffc0000000000 R14: ffffc90004aef360 R15: 1ffff9200095de60 FS: 00007f00b0f7b700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555573ce708 CR3: 0000000022c46000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:1573 [inline] ext4_ioctl+0x19ea/0x6260 fs/ext4/ioctl.c:1607 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: 0033:0x7f00b028c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f00b0f7b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f00b03abf80 RCX: 00007f00b028c0f9 RDX: 0000000020000240 RSI: 0000000040806685 RDI: 0000000000000003 RBP: 00007f00b02e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc117fef6f R14: 00007f00b0f7b300 R15: 0000000000022000