RAX: ffffffffffffffda RBX: 00007f8cc8dabf80 RCX: 00007f8cc8c8c169 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00007f8cc99f91d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004c00 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc233b435f R14: 00007f8cc99f9300 R15: 0000000000022000 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:379! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 31628 Comm: syz-executor.1 Not tainted 6.4.0-rc4-syzkaller-00047-gafead42fdfca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:379 [inline] RIP: 0010:insert_state_fast+0x244/0x250 fs/btrfs/extent-io-tree.c:437 Code: 34 fe e9 77 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 71 fe ff ff 4c 89 e7 e8 26 7c 34 fe e9 64 fe ff ff e8 cc a7 dc fd <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90016f26fb8 EFLAGS: 00010246 RAX: ffffffff83aed554 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90004144000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 00000000fffffff4 R08: ffffffff83aed475 R09: fffffbfff1a03963 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000001000 R13: ffff8880211d0c88 R14: ffff88807a35b6c0 R15: 0000000000000800 FS: 00007f8cc99f9700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000072be7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __set_extent_bit+0x140c/0x1ac0 fs/btrfs/extent-io-tree.c:1019 set_record_extent_bits+0x56/0x90 fs/btrfs/extent-io-tree.c:1690 qgroup_reserve_data+0x26e/0x8f0 fs/btrfs/qgroup.c:3786 btrfs_qgroup_reserve_data+0x2e/0xc0 fs/btrfs/qgroup.c:3829 btrfs_check_data_free_space+0x149/0x240 fs/btrfs/delalloc-space.c:154 btrfs_delalloc_reserve_space+0x37/0x200 fs/btrfs/delalloc-space.c:467 btrfs_page_mkwrite+0x301/0xc90 fs/btrfs/inode.c:8104 do_page_mkwrite+0x1a4/0x600 mm/memory.c:2931 do_shared_fault mm/memory.c:4595 [inline] do_fault mm/memory.c:4663 [inline] do_pte_missing mm/memory.c:3647 [inline] handle_pte_fault mm/memory.c:4947 [inline] __handle_mm_fault mm/memory.c:5089 [inline] handle_mm_fault+0x2140/0x5860 mm/memory.c:5243 do_user_addr_fault arch/x86/mm/fault.c:1440 [inline] handle_page_fault arch/x86/mm/fault.c:1534 [inline] exc_page_fault+0x7d2/0x910 arch/x86/mm/fault.c:1590 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0010:rep_movs_alternative+0x4a/0xb0 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 0f 1f 00 4c 8b 06 4c 8b 4e 08 4c 8b 56 10 4c 8b 5e 18 4c RSP: 0018:ffffc90016f27838 EFLAGS: 00050206 RAX: ffffffff84312001 RBX: 0000000020000400 RCX: 0000000000000400 RDX: 0000000000000000 RSI: ffff888081d59c00 RDI: 0000000020001000 RBP: ffffc90016f27998 R08: dffffc0000000000 R09: ffffed10103ab400 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92002de4fc9 R13: ffff888081d59000 R14: 0000000000001000 R15: ffffc90016f27e48 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] copyout lib/iov_iter.c:170 [inline] _copy_to_iter+0x267/0x1060 lib/iov_iter.c:536 copy_page_to_iter+0xe7/0x1d0 lib/iov_iter.c:742 copy_folio_to_iter include/linux/uio.h:197 [inline] filemap_read+0x8e5/0x1170 mm/filemap.c:2742 do_iter_read+0x826/0xd90 fs/read_write.c:795 vfs_readv fs/read_write.c:915 [inline] do_preadv+0x212/0x350 fs/read_write.c:1007 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: 0033:0x7f8cc8c8c169 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:00007f8cc99f9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000147 RAX: ffffffffffffffda RBX: 00007f8cc8dabf80 RCX: 00007f8cc8c8c169 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00007f8cc99f91d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004c00 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc233b435f R14: 00007f8cc99f9300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:379 [inline] RIP: 0010:insert_state_fast+0x244/0x250 fs/btrfs/extent-io-tree.c:437 Code: 34 fe e9 77 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 71 fe ff ff 4c 89 e7 e8 26 7c 34 fe e9 64 fe ff ff e8 cc a7 dc fd <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90016f26fb8 EFLAGS: 00010246 RAX: ffffffff83aed554 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90004144000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 00000000fffffff4 R08: ffffffff83aed475 R09: fffffbfff1a03963 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000001000 R13: ffff8880211d0c88 R14: ffff88807a35b6c0 R15: 0000000000000800 FS: 00007f8cc99f9700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000072be7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 75 f1 jne 0xfffffff3 2: c3 retq 3: 66 2e 0f 1f 84 00 00 nopw %cs: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 retq 2d: 0f 1f 00 nopl (%rax) 30: 4c 8b 06 mov (%rsi),%r8 33: 4c 8b 4e 08 mov 0x8(%rsi),%r9 37: 4c 8b 56 10 mov 0x10(%rsi),%r10 3b: 4c 8b 5e 18 mov 0x18(%rsi),%r11 3f: 4c rex.WR