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:00007faf634670c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007faf6279bf80 RCX: 00007faf6267cb29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 00007faf63467120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000280404 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007faf6279bf80 R15: 00007ffd68d0d248 ------------[ cut here ]------------ kernel BUG at fs/btrfs/extent-io-tree.c:572! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 6263 Comm: syz-executor.0 Not tainted 6.15.0-syzkaller-13804-g939f15e640f1 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:clear_state_bit+0x3f6/0x4d0 fs/btrfs/extent-io-tree.c:572 Code: a4 fc ff ff e8 2b e7 bf fd 48 89 de 4c 89 e7 e8 50 ee ff ff 48 89 de 4c 89 e7 e8 c5 f0 ff ff e9 ec fe ff ff e8 0b e7 bf fd 90 <0f> 0b e8 03 e7 bf fd 48 8d 7b 10 e8 9a 45 7f 07 49 89 c5 48 85 c0 RSP: 0018:ffffc90004f9f6c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888077f75d80 RCX: ffffffff83fc3319 RDX: ffff888031bc4880 RSI: ffffffff83fc35a5 RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff8880766a9aa0 R13: 0000000000000000 R14: ffff888077f75dfc R15: 0000000000280fff FS: 00007faf634676c0(0000) GS:ffff888124754000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe963baff8 CR3: 0000000077c34000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_clear_extent_bit_changeset+0x53a/0xe50 fs/btrfs/extent-io-tree.c:748 __btrfs_qgroup_release_data+0x17c/0x6b0 fs/btrfs/qgroup.c:4366 insert_prealloc_file_extent+0x1c9/0x480 fs/btrfs/inode.c:8896 __btrfs_prealloc_file_range+0x269/0x930 fs/btrfs/inode.c:8993 btrfs_prealloc_file_range+0x40/0x60 fs/btrfs/inode.c:9071 btrfs_fallocate+0x1868/0x2700 fs/btrfs/file.c:3177 vfs_fallocate+0x608/0x10c0 fs/open.c:341 ksys_fallocate fs/open.c:365 [inline] __do_sys_fallocate fs/open.c:370 [inline] __se_sys_fallocate fs/open.c:368 [inline] __x64_sys_fallocate+0xd5/0x150 fs/open.c:368 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faf6267cb29 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:00007faf634670c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007faf6279bf80 RCX: 00007faf6267cb29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 00007faf63467120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000280404 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007faf6279bf80 R15: 00007ffd68d0d248 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:clear_state_bit+0x3f6/0x4d0 fs/btrfs/extent-io-tree.c:572 Code: a4 fc ff ff e8 2b e7 bf fd 48 89 de 4c 89 e7 e8 50 ee ff ff 48 89 de 4c 89 e7 e8 c5 f0 ff ff e9 ec fe ff ff e8 0b e7 bf fd 90 <0f> 0b e8 03 e7 bf fd 48 8d 7b 10 e8 9a 45 7f 07 49 89 c5 48 85 c0 RSP: 0018:ffffc90004f9f6c8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888077f75d80 RCX: ffffffff83fc3319 RDX: ffff888031bc4880 RSI: ffffffff83fc35a5 RDI: 0000000000000005 RBP: 00000000fffffff4 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff4 R11: 0000000000000001 R12: ffff8880766a9aa0 R13: 0000000000000000 R14: ffff888077f75dfc R15: 0000000000280fff FS: 00007faf634676c0(0000) GS:ffff888124754000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe963baff8 CR3: 0000000077c34000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 ret b: e8 e1 20 00 00 call 0x20f1 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 c7 c1 b0 ff ff ff mov $0xffffffffffffffb0,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W