EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. fscrypt: AES-256-XTS using implementation "xts-aes-aesni-avx" loop0: detected capacity change from 512 to 64 ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:1906! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5876 Comm: syz.0.16 Not tainted 6.16.0-syzkaller-g038d61fd6422 #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:ext4_inline_data_truncate+0xac3/0xad0 fs/ext4/inline.c:1906 Code: b1 ff e9 4c fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fd ff ff 48 89 df e8 18 42 b1 ff e9 e6 fd ff ff e8 9e c1 4d ff 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90002a0f480 EFLAGS: 00010293 RAX: ffffffff82726f72 RBX: 00000000ffffffc3 RCX: ffff88800055a440 RDX: 0000000000000000 RSI: 00000000ffffffc3 RDI: 0000000000000000 RBP: ffffc90002a0f5f0 R08: ffff88800055a440 R09: 0000000000000002 R10: 00000000ffffffc3 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 1ffff92000541e9c R15: ffff888044268298 FS: 00007f56695fe6c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb604ba3000 CR3: 0000000043037000 CR4: 0000000000352ef0 Call Trace: ext4_truncate+0x3b5/0x1100 fs/ext4/inode.c:4528 ext4_setattr+0x1015/0x1bc0 fs/ext4/inode.c:5959 notify_change+0xb36/0xe40 fs/attr.c:552 do_truncate+0x1a4/0x220 fs/open.c:68 handle_truncate fs/namei.c:3517 [inline] do_open fs/namei.c:3900 [inline] path_openat+0x306c/0x3830 fs/namei.c:4055 do_filp_open+0x1fa/0x410 fs/namei.c:4082 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/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f566a38e929 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:00007f56695fe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f566a5b5fa0 RCX: 00007f566a38e929 RDX: 0000000000000000 RSI: 0000000000080242 RDI: 0000200000000040 RBP: 00007f566a410b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f566a5b5fa0 R15: 00007ffda31351b8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_inline_data_truncate+0xac3/0xad0 fs/ext4/inline.c:1906 Code: b1 ff e9 4c fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fd ff ff 48 89 df e8 18 42 b1 ff e9 e6 fd ff ff e8 9e c1 4d ff 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90002a0f480 EFLAGS: 00010293 RAX: ffffffff82726f72 RBX: 00000000ffffffc3 RCX: ffff88800055a440 RDX: 0000000000000000 RSI: 00000000ffffffc3 RDI: 0000000000000000 RBP: ffffc90002a0f5f0 R08: ffff88800055a440 R09: 0000000000000002 R10: 00000000ffffffc3 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 1ffff92000541e9c R15: ffff888044268298 FS: 00007f56695fe6c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb604ba3000 CR3: 0000000043037000 CR4: 0000000000352ef0