RSP: 002b:00007fcbe82ee208 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00007fcbe83be6c8 RCX: 00007fcbe8331d19 RDX: 0000000000000000 RSI: 0000000020001300 RDI: 0000000000000006 RBP: 00007fcbe83be6c0 R08: 00007fcbe82edfa7 R09: 0000000000000036 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbe838b1b0 R13: 00007fcbe82ee210 R14: 0000000000000001 R15: 0073656369766564 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:397! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5083 Comm: syz-executor160 Not tainted 6.7.0-rc1-syzkaller-00012-g9bacdd8996c7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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 9e 09 eb fd 44 89 e0 44 09 f0 89 43 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 85 09 eb fd 90 <0f> 0b 4c 89 ef e8 da d1 40 fe e9 e5 fe ff ff 4c 89 ef e8 cd d1 40 RSP: 0018:ffffc900034cf490 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88807e7dd900 RCX: ffffffff839b7d3a RDX: ffff88807ce82200 RSI: ffffffff839b7d8b RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000001 R12: 0000000000000800 R13: ffff88807e7dd97c R14: 0000000000001fff R15: 0000000000000000 FS: 00007fcbe82ee6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 000000007c099000 CR4: 00000000003506f0 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_delalloc_reserve_space+0x37/0x240 fs/btrfs/delalloc-space.c:465 btrfs_page_mkwrite+0x2cf/0x11e0 fs/btrfs/inode.c:8132 do_page_mkwrite+0x17a/0x380 mm/memory.c:2943 wp_page_shared mm/memory.c:3338 [inline] do_wp_page+0xaa9/0x36b0 mm/memory.c:3478 handle_pte_fault mm/memory.c:5054 [inline] __handle_mm_fault+0x1d7d/0x3d70 mm/memory.c:5179 handle_mm_fault+0x47a/0xa10 mm/memory.c:5344 do_user_addr_fault+0x3d1/0x1000 arch/x86/mm/fault.c:1413 handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x5d/0xc0 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 66 2e 0f 1f 84 00 00 00 00 00 66 90 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:ffffc900034cfc70 EFLAGS: 00050206 RAX: 0000000000000001 RBX: 0000000000000090 RCX: 0000000000000090 RDX: fffff52000699fad RSI: ffffc900034cfcd8 RDI: 0000000020001300 RBP: 0000000020001300 R08: 0000000000000000 R09: fffff52000699fac R10: ffffc900034cfd67 R11: 0000000000000000 R12: ffffc900034cfcd8 R13: 0000000020001390 R14: 0000000000000000 R15: 0000000000000000 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 lib/usercopy.c:41 [inline] _copy_to_user+0xa8/0xb0 lib/usercopy.c:34 copy_to_user include/linux/uaccess.h:191 [inline] cp_new_stat+0x46b/0x5a0 fs/stat.c:425 __do_sys_newfstat+0xec/0x100 fs/stat.c:472 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fcbe8331d19 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcbe82ee208 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 00007fcbe83be6c8 RCX: 00007fcbe8331d19 RDX: 0000000000000000 RSI: 0000000020001300 RDI: 0000000000000006 RBP: 00007fcbe83be6c0 R08: 00007fcbe82edfa7 R09: 0000000000000036 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbe838b1b0 R13: 00007fcbe82ee210 R14: 0000000000000001 R15: 0073656369766564 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 9e 09 eb fd 44 89 e0 44 09 f0 89 43 7c 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 85 09 eb fd 90 <0f> 0b 4c 89 ef e8 da d1 40 fe e9 e5 fe ff ff 4c 89 ef e8 cd d1 40 RSP: 0018:ffffc900034cf490 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88807e7dd900 RCX: ffffffff839b7d3a RDX: ffff88807ce82200 RSI: ffffffff839b7d8b RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000001 R12: 0000000000000800 R13: ffff88807e7dd97c R14: 0000000000001fff R15: 0000000000000000 FS: 00007fcbe82ee6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001300 CR3: 000000007c099000 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 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) a: 00 00 00 00 e: 66 90 xchg %ax,%ax 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