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:00007f47a458b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f47a399bf80 RCX: 00007f47a387cbe9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f47a458b120 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000009000f4 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f47a399bf80 R15: 00007ffc0dec4a08 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:397! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 28682 Comm: syz-executor.3 Not tainted 6.7.0-rc6-syzkaller-00022-g55cb5f43689d #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_fast+0x245/0x250 fs/btrfs/extent-io-tree.c:482 Code: 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 f6 c9 2e fe e9 64 fe ff ff e8 fc c4 d2 fd 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 48 RSP: 0018:ffffc9001aa57820 EFLAGS: 00010246 RAX: ffffffff83bba264 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc9000d472000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 00000000fffffff4 R08: ffffffff83bba185 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1b456e3 R12: 0000000000028000 R13: ffff88802147d188 R14: ffff888028bac840 R15: 0000000000000800 FS: 00007f47a458b6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4ea1437000 CR3: 0000000076708000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __set_extent_bit+0x1433/0x1b00 fs/btrfs/extent-io-tree.c:1081 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_truncate_block+0x236/0xb70 fs/btrfs/inode.c:4684 btrfs_fallocate+0x80c/0x1fd0 fs/btrfs/file.c:3096 vfs_fallocate+0x551/0x6b0 fs/open.c:324 ksys_fallocate fs/open.c:347 [inline] __do_sys_fallocate fs/open.c:355 [inline] __se_sys_fallocate fs/open.c:353 [inline] __x64_sys_fallocate+0xbd/0x100 fs/open.c:353 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: 0033:0x7f47a387cbe9 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:00007f47a458b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f47a399bf80 RCX: 00007f47a387cbe9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f47a458b120 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000009000f4 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f47a399bf80 R15: 00007ffc0dec4a08 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:397 [inline] RIP: 0010:insert_state_fast+0x245/0x250 fs/btrfs/extent-io-tree.c:482 Code: 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 f6 c9 2e fe e9 64 fe ff ff e8 fc c4 d2 fd 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 48 RSP: 0018:ffffc9001aa57820 EFLAGS: 00010246 RAX: ffffffff83bba264 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc9000d472000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 00000000fffffff4 R08: ffffffff83bba185 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1b456e3 R12: 0000000000028000 R13: ffff88802147d188 R14: ffff888028bac840 R15: 0000000000000800 FS: 00007f47a458b6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4ea1437000 CR3: 0000000076708000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 ret b: e8 e1 20 00 00 call 0x20f1 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 b0 ff ff ff mov $0xffffffffffffffb0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W