R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:419! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 1477 Comm: syz-executor.3 Not tainted 6.7.0-syzkaller-02320-gacc657692aed #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 fs/btrfs/extent-io-tree.c:419 [inline] RIP: 0010:set_state_bits.isra.0+0x196/0x1e0 fs/btrfs/extent-io-tree.c:408 Code: 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 c3 64 e7 fd 44 89 f2 48 89 de 4c 89 ff e8 f5 4f dc ff e9 af fe ff ff e8 ab 64 e7 fd 90 <0f> 0b 4c 89 ef e8 10 80 3e fe e9 cd fe ff ff 4c 89 ef e8 03 80 3e RSP: 0018:ffffc9000deff198 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880518e95b0 RCX: ffffc9002449c000 RDX: 0000000000040000 RSI: ffffffff83a0a5c5 RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000037343154 R12: 0000000000000800 R13: ffff8880518e962c R14: 0000000000005fff R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f41b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020005000 CR3: 000000001abd0000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __set_extent_bit+0xa90/0x1880 fs/btrfs/extent-io-tree.c:1258 set_record_extent_bits+0x56/0x90 fs/btrfs/extent-io-tree.c:1818 qgroup_reserve_data+0x200/0x9f0 fs/btrfs/qgroup.c:4005 btrfs_qgroup_reserve_data+0x2e/0xc0 fs/btrfs/qgroup.c:4048 btrfs_check_data_free_space+0x113/0x280 fs/btrfs/delalloc-space.c:154 btrfs_delalloc_reserve_space+0x31/0x170 fs/btrfs/delalloc-space.c:465 btrfs_page_mkwrite+0x3e4/0x1420 fs/btrfs/inode.c:8150 do_page_mkwrite+0x17a/0x380 mm/memory.c:2966 wp_page_shared mm/memory.c:3353 [inline] do_wp_page+0xb08/0x37b0 mm/memory.c:3493 handle_pte_fault mm/memory.c:5160 [inline] __handle_mm_fault+0x1f87/0x4900 mm/memory.c:5285 handle_mm_fault+0x47a/0xa10 mm/memory.c:5450 do_user_addr_fault+0x3f8/0x1030 arch/x86/mm/fault.c:1415 handle_page_fault arch/x86/mm/fault.c:1507 [inline] exc_page_fault+0x5d/0xc0 arch/x86/mm/fault.c:1563 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_iter lib/iov_iter.c:25 [inline] RIP: 0010:iterate_ubuf include/linux/iov_iter.h:29 [inline] RIP: 0010:iterate_and_advance2 include/linux/iov_iter.h:245 [inline] RIP: 0010:iterate_and_advance include/linux/iov_iter.h:271 [inline] RIP: 0010:_copy_to_iter+0x375/0x11e0 lib/iov_iter.c:186 Code: fd 4d 85 ff 0f 85 59 ff ff ff e8 b6 b8 23 fd 4c 8b 74 24 18 89 de 4c 89 f7 e8 b7 da 7a fd 0f 01 cb 48 89 d9 48 89 ef 4c 89 f6 a4 0f 1f 00 48 89 cd 0f 01 ca 49 89 df 49 29 cf e9 29 ff ff ff RSP: 0018:ffffc9000deff990 EFLAGS: 00050246 RAX: 0000000000000001 RBX: 0000000000001000 RCX: 0000000000000a40 RDX: 0000000000000000 RSI: ffff8880488415c0 RDI: 0000000020005000 RBP: 0000000020004a40 R08: 0000000000000000 R09: ffffed10091083ff R10: ffff888048841fff R11: 0000000000000000 R12: ffffc9000deffd90 R13: 0000000020005a40 R14: ffff888048841000 R15: 0000000000000000 copy_page_to_iter lib/iov_iter.c:381 [inline] copy_page_to_iter+0xf1/0x180 lib/iov_iter.c:368 copy_folio_to_iter include/linux/uio.h:181 [inline] filemap_read+0x68d/0xcf0 mm/filemap.c:2653 btrfs_file_read_iter+0x1dc/0x830 fs/btrfs/file.c:3824 call_read_iter include/linux/fs.h:2079 [inline] new_sync_read fs/read_write.c:395 [inline] vfs_read+0x4d4/0x8f0 fs/read_write.c:476 ksys_read+0x12f/0x250 fs/read_write.c:619 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x79/0x110 arch/x86/entry/common.c:321 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x70/0x7a RIP: 0023:0xf7f88579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f415ac EFLAGS: 00000292 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000020004a40 RDX: 0000000000002020 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:419 [inline] RIP: 0010:set_state_bits.isra.0+0x196/0x1e0 fs/btrfs/extent-io-tree.c:408 Code: 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 c3 64 e7 fd 44 89 f2 48 89 de 4c 89 ff e8 f5 4f dc ff e9 af fe ff ff e8 ab 64 e7 fd 90 <0f> 0b 4c 89 ef e8 10 80 3e fe e9 cd fe ff ff 4c 89 ef e8 03 80 3e RSP: 0018:ffffc9000deff198 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880518e95b0 RCX: ffffc9002449c000 RDX: 0000000000040000 RSI: ffffffff83a0a5c5 RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000037343154 R12: 0000000000000800 R13: ffff8880518e962c R14: 0000000000005fff R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f41b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020005000 CR3: 000000001abd0000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: fd std 1: 4d 85 ff test %r15,%r15 4: 0f 85 59 ff ff ff jne 0xffffff63 a: e8 b6 b8 23 fd call 0xfd23b8c5 f: 4c 8b 74 24 18 mov 0x18(%rsp),%r14 14: 89 de mov %ebx,%esi 16: 4c 89 f7 mov %r14,%rdi 19: e8 b7 da 7a fd call 0xfd7adad5 1e: 0f 01 cb stac 21: 48 89 d9 mov %rbx,%rcx 24: 48 89 ef mov %rbp,%rdi 27: 4c 89 f6 mov %r14,%rsi * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: 0f 1f 00 nopl (%rax) 2f: 48 89 cd mov %rcx,%rbp 32: 0f 01 ca clac 35: 49 89 df mov %rbx,%r15 38: 49 29 cf sub %rcx,%r15 3b: e9 29 ff ff ff jmp 0xffffff69