R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007efdb779c050 R15: 00007ffcf9c8d978 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:379! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 22371 Comm: syz-executor.1 Not tainted 6.6.0-rc7-syzkaller-00187-g51a7691038c3 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:set_state_bits.isra.0+0x17b/0x1c0 fs/btrfs/extent-io-tree.c:379 Code: 38 d0 7c 04 84 d2 75 31 44 8b 73 7c e8 3e 09 ed fd 44 89 e0 44 09 f0 89 43 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 25 09 ed fd <0f> 0b 4c 89 ef e8 6b 19 42 fe e9 e6 fe ff ff 4c 89 ef e8 5e 19 42 RSP: 0018:ffffc900287d7660 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888027db1f00 RCX: ffffc9000560a000 RDX: 0000000000040000 RSI: ffffffff8399cf4b RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 6537303030302052 R12: 0000000000000800 R13: ffff888027db1f7c R14: 0000000000000fff R15: 0000000000000000 FS: 00007efdb83f76c0(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 000000010e00d000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: insert_state_fast fs/btrfs/extent-io-tree.c:437 [inline] __set_extent_bit+0x3c7/0x1530 fs/btrfs/extent-io-tree.c:1034 set_record_extent_bits+0x56/0x90 fs/btrfs/extent-io-tree.c:1705 qgroup_reserve_data+0x23f/0xa60 fs/btrfs/qgroup.c:3803 btrfs_qgroup_reserve_data+0x2e/0xc0 fs/btrfs/qgroup.c:3846 btrfs_check_data_free_space+0x113/0x280 fs/btrfs/delalloc-space.c:154 btrfs_delalloc_reserve_space+0x37/0x240 fs/btrfs/delalloc-space.c:467 btrfs_page_mkwrite+0x2cf/0x11e0 fs/btrfs/inode.c:8117 do_page_mkwrite+0x17a/0x380 mm/memory.c:2934 wp_page_shared mm/memory.c:3294 [inline] do_wp_page+0xc66/0x34b0 mm/memory.c:3379 handle_pte_fault mm/memory.c:4997 [inline] __handle_mm_fault+0x1d1b/0x3e10 mm/memory.c:5122 handle_mm_fault+0x478/0xa00 mm/memory.c:5287 do_user_addr_fault+0x3d1/0x1000 arch/x86/mm/fault.c:1413 handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0010:copy_user_generic arch/x86/include/asm/uaccess_64.h:112 [inline] RIP: 0010:raw_copy_to_user arch/x86/include/asm/uaccess_64.h:133 [inline] RIP: 0010:_copy_to_user lib/usercopy.c:41 [inline] RIP: 0010:_copy_to_user+0xa3/0xb0 lib/usercopy.c:34 Code: 89 ee 48 89 ef e8 dd 15 62 fd 4d 85 f6 75 b9 e8 c3 1a 62 fd 89 de 4c 89 e7 e8 a9 31 b7 fd 0f 01 cb 48 89 d9 48 89 ef 4c 89 e6 a4 0f 1f 00 0f 01 ca 48 89 cb eb 91 f3 0f 1e fa 41 56 41 55 49 RSP: 0018:ffffc900287d7e30 EFLAGS: 00050246 RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000000008 RDX: fffff520050fafd6 RSI: ffffc900287d7ea8 RDI: 0000000020000000 RBP: 0000000020000000 R08: 0000000000000000 R09: fffff520050fafd5 R10: ffffc900287d7eaf R11: 0000000000000000 R12: ffffc900287d7ea8 R13: 0000000020000008 R14: 0000000000000000 R15: ffff88801d120280 copy_to_user include/linux/uaccess.h:191 [inline] __do_sys_copy_file_range+0x210/0x430 fs/read_write.c:1602 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7efdb767cae9 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:00007efdb83f70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 RAX: ffffffffffffffda RBX: 00007efdb779c050 RCX: 00007efdb767cae9 RDX: 0000000000000004 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007efdb83f7120 R08: 0000000000010001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000006e R14: 00007efdb779c050 R15: 00007ffcf9c8d978 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_state_bits.isra.0+0x17b/0x1c0 fs/btrfs/extent-io-tree.c:379 Code: 38 d0 7c 04 84 d2 75 31 44 8b 73 7c e8 3e 09 ed fd 44 89 e0 44 09 f0 89 43 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 25 09 ed fd <0f> 0b 4c 89 ef e8 6b 19 42 fe e9 e6 fe ff ff 4c 89 ef e8 5e 19 42 RSP: 0018:ffffc900287d7660 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888027db1f00 RCX: ffffc9000560a000 RDX: 0000000000040000 RSI: ffffffff8399cf4b RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 6537303030302052 R12: 0000000000000800 R13: ffff888027db1f7c R14: 0000000000000fff R15: 0000000000000000 FS: 00007efdb83f76c0(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 000000010e00d000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 ee mov %ebp,%esi 2: 48 89 ef mov %rbp,%rdi 5: e8 dd 15 62 fd call 0xfd6215e7 a: 4d 85 f6 test %r14,%r14 d: 75 b9 jne 0xffffffc8 f: e8 c3 1a 62 fd call 0xfd621ad7 14: 89 de mov %ebx,%esi 16: 4c 89 e7 mov %r12,%rdi 19: e8 a9 31 b7 fd call 0xfdb731c7 1e: 0f 01 cb stac 21: 48 89 d9 mov %rbx,%rcx 24: 48 89 ef mov %rbp,%rdi 27: 4c 89 e6 mov %r12,%rsi * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: 0f 1f 00 nopl (%rax) 2f: 0f 01 ca clac 32: 48 89 cb mov %rcx,%rbx 35: eb 91 jmp 0xffffffc8 37: f3 0f 1e fa endbr64 3b: 41 56 push %r14 3d: 41 55 push %r13 3f: 49 rex.WB