RBP: 00007fdcdb17b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcfe41d1df R14: 00007fdcdb17b300 R15: 0000000000022000 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:379! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 30611 Comm: syz-executor.2 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+0x38d/0x390 fs/btrfs/extent-io-tree.c:401 Code: 25 2a fe e9 25 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 42 fd ff ff 48 89 df e8 5d 25 2a fe e9 35 fd ff ff e8 23 b6 d3 fd <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 40 44 RSP: 0018:ffffc900154771e8 EFLAGS: 00010246 RAX: ffffffff83b90b8d RBX: 00000000fffffff4 RCX: 0000000000040000 RDX: ffffc9000c7e5000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff88802950a300 R08: ffffffff83b9096b R09: 00000000ffffffff R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000001000 R13: 0000000000000800 R14: 0000000000001fff R15: dffffc0000000000 FS: 00007fdcdb17b700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 0000000021fdf000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __set_extent_bit+0x1228/0x1ce0 fs/btrfs/extent-io-tree.c:1136 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:ffffc90015477c10 EFLAGS: 00050206 RAX: ffffffff843e4201 RBX: 00007fffffffef70 RCX: 0000000000000090 RDX: 0000000000000090 RSI: ffffc90015477c80 RDI: 0000000020001300 RBP: ffffc90015477db0 R08: dffffc0000000000 R09: fffff52002a8efa2 R10: 0000000000000002 R11: dffffc0000000001 R12: 0000000000000090 R13: ffffc90015477dec R14: 0000000020001300 R15: ffffc90015477c80 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: 0033:0x7fdcda48c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdcdb17b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00007fdcda5ac120 RCX: 00007fdcda48c0f9 RDX: 0000000000000000 RSI: 0000000020001300 RDI: 000000000000000d RBP: 00007fdcdb17b1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcfe41d1df R14: 00007fdcdb17b300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_state_bits fs/btrfs/extent-io-tree.c:379 [inline] RIP: 0010:insert_state+0x38d/0x390 fs/btrfs/extent-io-tree.c:401 Code: 25 2a fe e9 25 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 42 fd ff ff 48 89 df e8 5d 25 2a fe e9 35 fd ff ff e8 23 b6 d3 fd <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 40 44 RSP: 0018:ffffc900154771e8 EFLAGS: 00010246 RAX: ffffffff83b90b8d RBX: 00000000fffffff4 RCX: 0000000000040000 RDX: ffffc9000c7e5000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff88802950a300 R08: ffffffff83b9096b R09: 00000000ffffffff R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000001000 R13: 0000000000000800 R14: 0000000000001fff R15: dffffc0000000000 FS: 00007fdcdb17b700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 0000000021fdf000 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