RAX: ffffffffffffffda RBX: 00007f32af19bf80 RCX: 00007f32af07cae9 RDX: 0000000020001dc0 RSI: ffffffffffffffff RDI: ffffffffffffffff RBP: 00007f32afe0b120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f32af19bf80 R15: 00007ffdd9b9c258 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:397! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 27467 Comm: syz-executor.2 Not tainted 6.7.0-rc3-syzkaller-00134-g994d5c58e50e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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 e6 df 2e fe e9 64 fe ff ff e8 1c d8 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:ffffc90013e0f258 EFLAGS: 00010246 RAX: ffffffff83bba224 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90004d09000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 00000000fffffff4 R08: ffffffff83bba145 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1b4559b R12: 0000000000001000 R13: ffff888018b63808 R14: ffff8880142d6f00 R15: 0000000000000800 FS: 00007f32afe0b6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001dc0 CR3: 000000002228a000 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_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:2943 wp_page_shared mm/memory.c:3338 [inline] do_wp_page+0x1d07/0x4d40 mm/memory.c:3478 handle_pte_fault mm/memory.c:5054 [inline] __handle_mm_fault mm/memory.c:5179 [inline] handle_mm_fault+0x1b1c/0x6680 mm/memory.c:5344 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:__put_user_8+0x11/0x20 arch/x86/lib/putuser.S:107 Code: ca c3 0f 1f 80 00 00 00 00 f3 0f 1e fa 0f 01 cb 89 01 31 c9 0f 01 ca c3 90 f3 0f 1e fa 48 89 cb 48 c1 fb 3f 48 09 d9 0f 01 cb <48> 89 01 31 c9 0f 01 ca c3 66 0f 1f 44 00 00 f3 0f 1e fa 0f 01 cb RSP: 0018:ffffc90013e0fe58 EFLAGS: 00050206 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000020001dc0 RDX: 0000000000000000 RSI: ffffffff8b6abf60 RDI: ffffffff8bbdf280 RBP: ffffc90013e0ff20 R08: ffffffff8f00b92f R09: 1ffffffff1e01725 R10: dffffc0000000000 R11: fffffbfff1e01726 R12: 0000000020001dc0 R13: dffffc0000000000 R14: fffffffffffffff7 R15: 1ffff920027c1fd4 __do_sys_sendfile64 fs/read_write.c:1317 [inline] __se_sys_sendfile64+0x13c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f32af07cae9 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:00007f32afe0b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f32af19bf80 RCX: 00007f32af07cae9 RDX: 0000000020001dc0 RSI: ffffffffffffffff RDI: ffffffffffffffff RBP: 00007f32afe0b120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007f32af19bf80 R15: 00007ffdd9b9c258 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 e6 df 2e fe e9 64 fe ff ff e8 1c d8 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:ffffc90013e0f258 EFLAGS: 00010246 RAX: ffffffff83bba224 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90004d09000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 00000000fffffff4 R08: ffffffff83bba145 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1b4559b R12: 0000000000001000 R13: ffff888018b63808 R14: ffff8880142d6f00 R15: 0000000000000800 FS: 00007f32afe0b6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001dc0 CR3: 000000002228a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: c3 ret 1: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 8: f3 0f 1e fa endbr64 c: 0f 01 cb stac f: 89 01 mov %eax,(%rcx) 11: 31 c9 xor %ecx,%ecx 13: 0f 01 ca clac 16: c3 ret 17: 90 nop 18: f3 0f 1e fa endbr64 1c: 48 89 cb mov %rcx,%rbx 1f: 48 c1 fb 3f sar $0x3f,%rbx 23: 48 09 d9 or %rbx,%rcx 26: 0f 01 cb stac * 29: 48 89 01 mov %rax,(%rcx) <-- trapping instruction 2c: 31 c9 xor %ecx,%ecx 2e: 0f 01 ca clac 31: c3 ret 32: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 38: f3 0f 1e fa endbr64 3c: 0f 01 cb stac