------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:397! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 10282 Comm: syz-executor.0 Not tainted 6.7.0-syzkaller-01727-gab27740f7665 #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:397 [inline] RIP: 0010:set_state_bits.isra.0+0x17c/0x1c0 fs/btrfs/extent-io-tree.c:386 Code: d0 7c 04 84 d2 75 32 44 8b 73 7c e8 7e 30 e9 fd 44 89 e0 44 09 f0 89 43 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 65 30 e9 fd 90 <0f> 0b 4c 89 ef e8 1a 4c 40 fe e9 e5 fe ff ff 4c 89 ef e8 0d 4c 40 RSP: 0018:ffffc90004107828 EFLAGS: 00010287 RAX: 000000000002cfbe RBX: ffff888054332680 RCX: ffffc900064e2000 RDX: 0000000000040000 RSI: ffffffff839ee43b RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 3030303030302052 R12: 0000000000000800 R13: ffff8880543326fc R14: 0000000000001fff R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f7fd7b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f72dc9a4 CR3: 0000000021074000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: insert_state_fast fs/btrfs/extent-io-tree.c:482 [inline] __set_extent_bit+0x3cb/0x1580 fs/btrfs/extent-io-tree.c:1081 set_record_extent_bits+0x56/0x90 fs/btrfs/extent-io-tree.c:1793 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_buffered_write+0x524/0x12d0 fs/btrfs/file.c:1255 btrfs_do_write_iter+0xa56/0x1120 fs/btrfs/file.c:1687 call_write_iter include/linux/fs.h:2085 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x64f/0xdf0 fs/read_write.c:590 ksys_write+0x12f/0x250 fs/read_write.c:643 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: 0023:0xf7fdc579 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:00000000f7fd75ac EFLAGS: 00000292 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020000080 RDX: 0000000000001006 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:397 [inline] RIP: 0010:set_state_bits.isra.0+0x17c/0x1c0 fs/btrfs/extent-io-tree.c:386 Code: d0 7c 04 84 d2 75 32 44 8b 73 7c e8 7e 30 e9 fd 44 89 e0 44 09 f0 89 43 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 65 30 e9 fd 90 <0f> 0b 4c 89 ef e8 1a 4c 40 fe e9 e5 fe ff ff 4c 89 ef e8 0d 4c 40 RSP: 0018:ffffc90004107828 EFLAGS: 00010287 RAX: 000000000002cfbe RBX: ffff888054332680 RCX: ffffc900064e2000 RDX: 0000000000040000 RSI: ffffffff839ee43b RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 3030303030302052 R12: 0000000000000800 R13: ffff8880543326fc R14: 0000000000001fff R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f7fd7b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f72dc9a4 CR3: 0000000021074000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi