RBP: 00007fbfca6cb120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007fbfc999bf80 R15: 00007fff15ce1ee8 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:379! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5449 Comm: syz-executor.0 Not tainted 6.6.0-rc1-syzkaller-00196-g57d88e8a5974 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:set_state_bits+0x18d/0x190 fs/btrfs/extent-io-tree.c:379 Code: df e8 97 a0 31 fe eb dc 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 0b ff ff ff 48 89 ef e8 7d a0 31 fe e9 fe fe ff ff e8 d3 b1 d7 fd <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 48 89 4c 24 08 RSP: 0018:ffffc900053af050 EFLAGS: 00010293 RAX: ffffffff83b5f1cd RBX: ffff888075518600 RCX: ffff888022d03b80 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 00000000fffffff4 R08: ffffffff83b5f16a R09: 1ffffffff1a84dce R10: dffffc0000000000 R11: fffffbfff1a84dcf R12: dffffc0000000000 R13: 0000000000001000 R14: ffff888075517488 R15: 0000000000000800 FS: 00007fbfca6cb6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 000000006abea000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __set_extent_bit+0x17b7/0x1b00 fs/btrfs/extent-io-tree.c:1181 set_record_extent_bits+0x51/0x90 fs/btrfs/extent-io-tree.c:1705 qgroup_reserve_data+0x260/0x8e0 fs/btrfs/qgroup.c:3803 btrfs_qgroup_reserve_data+0x2e/0xc0 fs/btrfs/qgroup.c:3846 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+0x334/0xd10 fs/btrfs/inode.c:8104 do_page_mkwrite+0x197/0x470 mm/memory.c:2931 wp_page_shared mm/memory.c:3291 [inline] do_wp_page+0xf3d/0x4010 mm/memory.c:3376 handle_pte_fault mm/memory.c:4994 [inline] __handle_mm_fault mm/memory.c:5119 [inline] handle_mm_fault+0x1b36/0x6200 mm/memory.c:5284 do_user_addr_fault arch/x86/mm/fault.c:1413 [inline] handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x2ac/0x860 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71 Code: 75 f1 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1 85 c9 75 b3 RSP: 0018:ffffc900053afbf0 EFLAGS: 00050206 RAX: ffffffff843c6301 RBX: 0000000020001390 RCX: 0000000000000090 RDX: 0000000000000000 RSI: ffffc900053afc60 RDI: 0000000020001300 RBP: ffffc900053afd90 R08: ffffc900053afcef R09: 1ffff92000a75f9d R10: dffffc0000000000 R11: fffff52000a75f9e R12: 0000000000000090 R13: ffffc900053afdec R14: 0000000020001300 R15: ffffc900053afc60 copy_user_generic arch/x86/include/asm/uaccess_64.h:112 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:133 [inline] _copy_to_user+0x86/0xa0 lib/usercopy.c:41 copy_to_user include/linux/uaccess.h:191 [inline] cp_new_stat+0x544/0x6d0 fs/stat.c:468 __do_sys_newfstat fs/stat.c:515 [inline] __se_sys_newfstat fs/stat.c:509 [inline] __x64_sys_newfstat+0x165/0x1b0 fs/stat.c:509 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: 0033:0x7fbfc987cae9 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:00007fbfca6cb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00007fbfc999bf80 RCX: 00007fbfc987cae9 RDX: 0000000000000000 RSI: 0000000020001300 RDI: 0000000000000006 RBP: 00007fbfca6cb120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000000b R14: 00007fbfc999bf80 R15: 00007fff15ce1ee8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:set_state_bits+0x18d/0x190 fs/btrfs/extent-io-tree.c:379 Code: df e8 97 a0 31 fe eb dc 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 0b ff ff ff 48 89 ef e8 7d a0 31 fe e9 fe fe ff ff e8 d3 b1 d7 fd <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 48 89 4c 24 08 RSP: 0018:ffffc900053af050 EFLAGS: 00010293 RAX: ffffffff83b5f1cd RBX: ffff888075518600 RCX: ffff888022d03b80 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: 00000000fffffff4 R08: ffffffff83b5f16a R09: 1ffffffff1a84dce R10: dffffc0000000000 R11: fffffbfff1a84dcf R12: dffffc0000000000 R13: 0000000000001000 R14: ffff888075517488 R15: 0000000000000800 FS: 00007fbfca6cb6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 000000006abea000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 75 f1 jne 0xfffffff3 2: c3 ret 3: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) a: 00 00 00 d: 0f 1f 00 nopl (%rax) 10: 48 8b 06 mov (%rsi),%rax 13: 48 89 07 mov %rax,(%rdi) 16: 48 83 c6 08 add $0x8,%rsi 1a: 48 83 c7 08 add $0x8,%rdi 1e: 83 e9 08 sub $0x8,%ecx 21: 74 df je 0x2 23: 83 f9 08 cmp $0x8,%ecx 26: 73 e8 jae 0x10 28: eb c9 jmp 0xfffffff3 * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: c3 ret 2d: 48 89 c8 mov %rcx,%rax 30: 48 c1 e9 03 shr $0x3,%rcx 34: 83 e0 07 and $0x7,%eax 37: f3 48 a5 rep movsq %ds:(%rsi),%es:(%rdi) 3a: 89 c1 mov %eax,%ecx 3c: 85 c9 test %ecx,%ecx 3e: 75 b3 jne 0xfffffff3