RBP: 000000000000000a R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffefcd5ed0 R13: 0000000000000004 R14: 0000000000000003 R15: 00007fffefcd5eb0 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:379! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5069 Comm: syz-executor781 Not tainted 6.2.0-syzkaller-13563-gf915322fe014 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:379 [inline] RIP: 0010:insert_state_fast+0x244/0x250 fs/btrfs/extent-io-tree.c:437 Code: 2a 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 b6 2b 2a fe e9 64 fe ff ff e8 7c bc d3 fd <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90003d0f1e8 EFLAGS: 00010293 RAX: ffffffff83b90534 RBX: dffffc0000000000 RCX: ffff888027dc1d40 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 00000000fffffff4 R08: ffffffff83b90455 R09: 00000000ffffffff R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000001000 R13: ffff888071d29788 R14: ffff888076493f00 R15: 0000000000000800 FS: 00005555563f8300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 000000007a755000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __set_extent_bit+0x1560/0x1ce0 fs/btrfs/extent-io-tree.c:1019 set_record_extent_bits+0x56/0x90 fs/btrfs/extent-io-tree.c:1690 qgroup_reserve_data+0x27f/0xaa0 fs/btrfs/qgroup.c:3777 btrfs_qgroup_reserve_data+0x2e/0xc0 fs/btrfs/qgroup.c:3820 btrfs_check_data_free_space+0x149/0x240 fs/btrfs/delalloc-space.c:154 btrfs_delalloc_reserve_space+0x37/0x200 fs/btrfs/delalloc-space.c:467 btrfs_page_mkwrite+0x300/0xc90 fs/btrfs/inode.c:8132 do_page_mkwrite+0x1a1/0x600 mm/memory.c:2925 wp_page_shared mm/memory.c:3274 [inline] do_wp_page+0x501/0x3620 mm/memory.c:3356 handle_pte_fault mm/memory.c:4927 [inline] __handle_mm_fault mm/memory.c:5051 [inline] handle_mm_fault+0x23a0/0x51c0 mm/memory.c:5197 do_user_addr_fault arch/x86/mm/fault.c:1407 [inline] handle_page_fault arch/x86/mm/fault.c:1498 [inline] exc_page_fault+0x685/0x8a0 arch/x86/mm/fault.c:1554 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x40 arch/x86/lib/copy_user_64.S:166 Code: d1 f3 a4 31 c0 0f 01 ca c3 8d 0c ca 89 ca eb 2c 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 0f 01 cb 83 fa 40 72 34 89 d1 a4 31 c0 0f 01 ca c3 89 ca eb 06 66 0f 1f 44 00 00 83 f8 12 74 RSP: 0018:ffffc90003d0fc10 EFLAGS: 00050206 RAX: ffffffff843e4201 RBX: 00007fffffffef70 RCX: 0000000000000090 RDX: 0000000000000090 RSI: ffffc90003d0fc80 RDI: 0000000020001300 RBP: ffffc90003d0fdb0 R08: dffffc0000000000 R09: fffff520007a1fa2 R10: 0000000000000002 R11: dffffc0000000001 R12: 0000000000000090 R13: ffffc90003d0fdec R14: 0000000020001300 R15: ffffc90003d0fc80 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:58 [inline] _copy_to_user+0xed/0x130 lib/usercopy.c:41 copy_to_user include/linux/uaccess.h:169 [inline] cp_new_stat+0x544/0x6d0 fs/stat.c:412 __do_sys_newfstat fs/stat.c:459 [inline] __se_sys_newfstat fs/stat.c:453 [inline] __x64_sys_newfstat+0xf7/0x140 fs/stat.c:453 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9615812779 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffefcd5e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9615812779 RDX: 0000000000000eb0 RSI: 0000000020001300 RDI: 0000000000000009 RBP: 000000000000000a R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffefcd5ed0 R13: 0000000000000004 R14: 0000000000000003 R15: 00007fffefcd5eb0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:379 [inline] RIP: 0010:insert_state_fast+0x244/0x250 fs/btrfs/extent-io-tree.c:437 Code: 2a 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 b6 2b 2a fe e9 64 fe ff ff e8 7c bc d3 fd <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 RSP: 0018:ffffc90003d0f1e8 EFLAGS: 00010293 RAX: ffffffff83b90534 RBX: dffffc0000000000 RCX: ffff888027dc1d40 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 00000000fffffff4 R08: ffffffff83b90455 R09: 00000000ffffffff R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000001000 R13: ffff888071d29788 R14: ffff888076493f00 R15: 0000000000000800 FS: 00005555563f8300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 000000007a755000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: d1 f3 shl %ebx 2: a4 movsb %ds:(%rsi),%es:(%rdi) 3: 31 c0 xor %eax,%eax 5: 0f 01 ca clac 8: c3 retq 9: 8d 0c ca lea (%rdx,%rcx,8),%ecx c: 89 ca mov %ecx,%edx e: eb 2c jmp 0x3c 10: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 17: 00 00 00 1a: 66 90 xchg %ax,%ax 1c: f3 0f 1e fa endbr64 20: 0f 01 cb stac 23: 83 fa 40 cmp $0x40,%edx 26: 72 34 jb 0x5c 28: 89 d1 mov %edx,%ecx * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: 31 c0 xor %eax,%eax 2e: 0f 01 ca clac 31: c3 retq 32: 89 ca mov %ecx,%edx 34: eb 06 jmp 0x3c 36: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 3c: 83 f8 12 cmp $0x12,%eax 3f: 74 .byte 0x74