RBP: 00007f44af7cb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004c00 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe7b4d347f R14: 00007f44af7cb300 R15: 0000000000022000 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:379! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 26938 Comm: syz-executor.2 Not tainted 6.1.0-syzkaller-03225-g764822972d64 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:379 [inline] RIP: 0010:insert_state_fast+0x242/0x250 fs/btrfs/extent-io-tree.c:437 Code: 2e fe e9 77 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 72 fe ff ff 4c 89 e7 e8 78 32 2e fe e9 65 fe ff ff e8 6e dc d9 fd <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 41 55 41 RSP: 0018:ffffc9000694ef68 EFLAGS: 00010246 RAX: ffffffff83b18962 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc900049f1000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 00000000fffffff4 R08: ffffffff83b18884 R09: 00000000ffffffff R10: fffffbfff1a83147 R11: 1ffffffff1a83146 R12: 0000000000002000 R13: ffff888020f48d08 R14: ffff888021c46a80 R15: 0000000000000800 FS: 00007f44af7cb700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 0000000027270000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __set_extent_bit+0x16f2/0x1c90 fs/btrfs/extent-io-tree.c:1019 set_record_extent_bits+0x52/0x80 fs/btrfs/extent-io-tree.c:1690 qgroup_reserve_data+0x27b/0x6f0 fs/btrfs/qgroup.c:3757 btrfs_qgroup_reserve_data+0x2a/0xc0 fs/btrfs/qgroup.c:3800 btrfs_check_data_free_space+0x144/0x240 fs/btrfs/delalloc-space.c:154 btrfs_delalloc_reserve_space+0x33/0x200 fs/btrfs/delalloc-space.c:467 btrfs_page_mkwrite+0x2fa/0xc80 fs/btrfs/inode.c:8511 do_page_mkwrite+0x19e/0x5e0 mm/memory.c:2977 do_shared_fault mm/memory.c:4618 [inline] do_fault mm/memory.c:4686 [inline] handle_pte_fault mm/memory.c:4954 [inline] __handle_mm_fault mm/memory.c:5096 [inline] handle_mm_fault+0x1c63/0x3630 mm/memory.c:5217 do_user_addr_fault+0x69b/0xcb0 arch/x86/mm/fault.c:1428 handle_page_fault arch/x86/mm/fault.c:1519 [inline] exc_page_fault+0x7a/0x110 arch/x86/mm/fault.c:1575 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0010:copy_user_enhanced_fast_string+0xa/0x40 arch/x86/lib/copy_user_64.S:166 Code: ff c9 75 f2 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 8d 0c ca 89 ca eb 20 0f 01 cb 83 fa 40 72 38 89 d1 a4 31 c0 0f 01 ca c3 89 ca eb 0a 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc9000694f810 EFLAGS: 00050206 RAX: ffffffff84380101 RBX: 00007fffffffe000 RCX: 0000000000000400 RDX: 0000000000001000 RSI: ffff888051c46c00 RDI: 0000000020002000 RBP: ffffc9000694f990 R08: dffffc0000000000 R09: ffffed100a388e00 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000001000 R13: 0000000000001400 R14: 0000000020001400 R15: ffff888051c46000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:58 [inline] copyout+0xd8/0x120 lib/iov_iter.c:170 _copy_to_iter+0x4d2/0x1020 lib/iov_iter.c:529 copy_page_to_iter+0xf0/0x250 lib/iov_iter.c:727 copy_folio_to_iter include/linux/uio.h:172 [inline] filemap_read+0x790/0xea0 mm/filemap.c:2726 do_iter_read+0x6e3/0xc10 fs/read_write.c:796 vfs_readv fs/read_write.c:916 [inline] do_preadv+0x1f4/0x330 fs/read_write.c:1008 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f44aea8c0d9 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:00007f44af7cb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000147 RAX: ffffffffffffffda RBX: 00007f44aebabf80 RCX: 00007f44aea8c0d9 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000008 RBP: 00007f44af7cb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004c00 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe7b4d347f R14: 00007f44af7cb300 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+0x242/0x250 fs/btrfs/extent-io-tree.c:437 Code: 2e fe e9 77 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 72 fe ff ff 4c 89 e7 e8 78 32 2e fe e9 65 fe ff ff e8 6e dc d9 fd <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 41 55 41 RSP: 0018:ffffc9000694ef68 EFLAGS: 00010246 RAX: ffffffff83b18962 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc900049f1000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 00000000fffffff4 R08: ffffffff83b18884 R09: 00000000ffffffff R10: fffffbfff1a83147 R11: 1ffffffff1a83146 R12: 0000000000002000 R13: ffff888020f48d08 R14: ffff888021c46a80 R15: 0000000000000800 FS: 00007f44af7cb700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 0000000027270000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: ff c9 dec %ecx 2: 75 f2 jne 0xfffffff6 4: 89 d1 mov %edx,%ecx 6: c1 e9 03 shr $0x3,%ecx 9: 83 e2 07 and $0x7,%edx c: f3 48 a5 rep movsq %ds:(%rsi),%es:(%rdi) f: 89 d1 mov %edx,%ecx 11: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) 13: 31 c0 xor %eax,%eax 15: 0f 01 ca clac 18: c3 retq 19: 8d 0c ca lea (%rdx,%rcx,8),%ecx 1c: 89 ca mov %ecx,%edx 1e: eb 20 jmp 0x40 20: 0f 01 cb stac 23: 83 fa 40 cmp $0x40,%edx 26: 72 38 jb 0x60 28: 89 d1 mov %edx,%ecx * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: 31 c0 xor %eax,%eax 2e: 0f 01 ca clac 31: c3 retq 32: 89 ca mov %ecx,%edx 34: eb 0a jmp 0x40 36: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 3d: 00 00 00