RBP: 00007f71c9472120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f71c879bf80 R15: 00007ffc84587e58 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:397! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5540 Comm: syz-executor.0 Not tainted 6.7.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:397 [inline] RIP: 0010:insert_state+0xb6f/0xb80 fs/btrfs/extent-io-tree.c:427 Code: ff ff 48 8b 4c 24 20 80 e1 07 80 c1 03 38 c1 0f 8c dd fc ff ff 48 8b 7c 24 20 e8 bc d5 2e fe e9 ce fc ff ff e8 c2 d0 d2 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 66 0f 1f 00 55 RSP: 0018:ffffc900052f6f98 EFLAGS: 00010293 RAX: ffffffff83bba99e RBX: ffff888069a796c0 RCX: ffff888025e68000 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 00000000fffffff4 R08: ffffffff83bba021 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1b45703 R12: ffff888073539350 R13: 0000000000000800 R14: ffff888069a7b288 R15: 0000000000001000 FS: 00007f71c94726c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 000000007868a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __set_extent_bit+0x1106/0x1b00 fs/btrfs/extent-io-tree.c:1200 set_record_extent_bits+0x51/0x90 fs/btrfs/extent-io-tree.c:1793 qgroup_reserve_data+0x27c/0x8b0 fs/btrfs/qgroup.c:4005 btrfs_qgroup_reserve_data+0x2e/0xb0 fs/btrfs/qgroup.c:4048 btrfs_check_data_free_space+0x149/0x240 fs/btrfs/delalloc-space.c:154 btrfs_delalloc_reserve_space+0x37/0x200 fs/btrfs/delalloc-space.c:465 btrfs_page_mkwrite+0x334/0xd10 fs/btrfs/inode.c:8132 do_page_mkwrite+0x197/0x470 mm/memory.c:2944 wp_page_shared mm/memory.c:3339 [inline] do_wp_page+0x1d07/0x4d40 mm/memory.c:3479 handle_pte_fault mm/memory.c:5055 [inline] __handle_mm_fault mm/memory.c:5180 [inline] handle_mm_fault+0x1b1c/0x6680 mm/memory.c:5345 do_user_addr_fault arch/x86/mm/fault.c:1413 [inline] handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x2ad/0x870 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71 Code: 75 f1 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1 85 c9 75 b3 RSP: 0018:ffffc900052f7bf0 EFLAGS: 00050206 RAX: ffffffff84836501 RBX: 0000000020001390 RCX: 0000000000000090 RDX: 0000000000000000 RSI: ffffc900052f7c60 RDI: 0000000020001300 RBP: ffffc900052f7d90 R08: ffffc900052f7cef R09: 1ffff92000a5ef9d R10: dffffc0000000000 R11: fffff52000a5ef9e R12: 0000000000000090 R13: ffffc900052f7dec R14: 0000000020001300 R15: ffffc900052f7c60 copy_user_generic arch/x86/include/asm/uaccess_64.h:112 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:133 [inline] _copy_to_user+0x86/0xa0 lib/usercopy.c:41 copy_to_user include/linux/uaccess.h:191 [inline] cp_new_stat+0x544/0x6d0 fs/stat.c:429 __do_sys_newfstat fs/stat.c:476 [inline] __se_sys_newfstat fs/stat.c:470 [inline] __x64_sys_newfstat+0x165/0x1b0 fs/stat.c:470 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f71c867cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f71c94720c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00007f71c879bf80 RCX: 00007f71c867cae9 RDX: 0000000000000000 RSI: 0000000020001300 RDI: 0000000000000006 RBP: 00007f71c9472120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f71c879bf80 R15: 00007ffc84587e58 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:397 [inline] RIP: 0010:insert_state+0xb6f/0xb80 fs/btrfs/extent-io-tree.c:427 Code: ff ff 48 8b 4c 24 20 80 e1 07 80 c1 03 38 c1 0f 8c dd fc ff ff 48 8b 7c 24 20 e8 bc d5 2e fe e9 ce fc ff ff e8 c2 d0 d2 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 66 0f 1f 00 55 RSP: 0018:ffffc900052f6f98 EFLAGS: 00010293 RAX: ffffffff83bba99e RBX: ffff888069a796c0 RCX: ffff888025e68000 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 00000000fffffff4 R08: ffffffff83bba021 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1b45703 R12: ffff888073539350 R13: 0000000000000800 R14: ffff888069a7b288 R15: 0000000000001000 FS: 00007f71c94726c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 000000007868a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 75 f1 jne 0xfffffff3 2: c3 ret 3: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) a: 00 00 00 d: 0f 1f 00 nopl (%rax) 10: 48 8b 06 mov (%rsi),%rax 13: 48 89 07 mov %rax,(%rdi) 16: 48 83 c6 08 add $0x8,%rsi 1a: 48 83 c7 08 add $0x8,%rdi 1e: 83 e9 08 sub $0x8,%ecx 21: 74 df je 0x2 23: 83 f9 08 cmp $0x8,%ecx 26: 73 e8 jae 0x10 28: eb c9 jmp 0xfffffff3 * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: c3 ret 2d: 48 89 c8 mov %rcx,%rax 30: 48 c1 e9 03 shr $0x3,%rcx 34: 83 e0 07 and $0x7,%eax 37: f3 48 a5 rep movsq %ds:(%rsi),%es:(%rdi) 3a: 89 c1 mov %eax,%ecx 3c: 85 c9 test %ecx,%ecx 3e: 75 b3 jne 0xfffffff3