EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. ------------[ cut here ]------------ WARNING: CPU: 2 PID: 3943 at fs/ext4/xattr.c:2069 ext4_xattr_block_set+0x2a5e/0x3130 fs/ext4/xattr.c:2069 Modules linked in: CPU: 2 PID: 3943 Comm: syz-executor.0 Not tainted 6.1.0-rc3-syzkaller-00332-g089d1c31224e #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:ext4_xattr_block_set+0x2a5e/0x3130 fs/ext4/xattr.c:2069 Code: ff ff e8 35 c0 9a ff e9 5d ec ff ff 48 8b 7c 24 60 e8 26 c0 9a ff e9 23 ec ff ff e8 0c c0 9a ff e9 9a ec ff ff e8 92 6c 4e ff <0f> 0b e9 b3 eb ff ff e8 f6 bf 9a ff e9 db eb ff ff e8 fc bf 9a ff RSP: 0018:ffffc90006a1f608 EFLAGS: 00010216 RAX: 0000000000001ecd RBX: 0000000000000001 RCX: ffffc90003d9b000 RDX: 0000000000040000 RSI: ffffffff822e3fee RDI: 0000000000000001 RBP: 0000000097539874 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888077df4018 R13: ffff88804b81fb00 R14: dffffc0000000000 R15: ffff88801cae20c8 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f1db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000000a7a4ec CR3: 00000000762d4000 CR4: 0000000000150ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_xattr_move_to_block fs/ext4/xattr.c:2604 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2673 [inline] ext4_expand_extra_isize_ea+0xaa9/0x1670 fs/ext4/xattr.c:2765 __ext4_expand_extra_isize+0x31e/0x450 fs/ext4/inode.c:5857 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5900 [inline] __ext4_mark_inode_dirty+0x530/0x930 fs/ext4/inode.c:5978 ext4_dirty_inode+0xd4/0x110 fs/ext4/inode.c:6010 __mark_inode_dirty+0x243/0x11d0 fs/fs-writeback.c:2400 mark_inode_dirty include/linux/fs.h:2467 [inline] ext4_setattr+0xcb9/0x2b30 fs/ext4/inode.c:5542 notify_change+0xcd0/0x1440 fs/attr.c:420 chown_common+0x627/0x720 fs/open.c:736 do_fchownat+0x126/0x1e0 fs/open.c:767 ksys_lchown include/linux/syscalls.h:1334 [inline] __do_sys_lchown16 kernel/uid16.c:30 [inline] __se_sys_lchown16 kernel/uid16.c:28 [inline] __ia32_sys_lchown16+0xdf/0x110 kernel/uid16.c:28 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f22549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f1d5cc EFLAGS: 00000296 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000020002300 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi